阅读说明：本技术 一种新型轨道称重结构 (Novel track weighing structure ) 是由 梁更祥 周泽满 黄结维 麻勇江 于 2021-08-24 设计创作，主要内容包括：一种新型轨道称重结构,所述新型轨道称重结构包括由安装在钢轨上的轨扣支架和安装在轨枕上的压力传感器通过连接辅件组成的固定机构；所述新型轨道称重结构装配完成后,钢轨底面与轨枕承轨台面非直接接触,所述固定机构可随钢轨受压形变时上下摆动。本新型轨道称重结构,不需要更换专用轨枕,不影响大型机械捣固作业要求,安装使用方便、造价低廉,可延长轨道衡、超偏载仪的检测区间长度及提高动态轨道衡、超偏载检测装置检测精度的轨道称重结构方法。(A novel rail weighing structure comprises a fixing mechanism consisting of a rail buckle bracket arranged on a steel rail and a pressure sensor arranged on a sleeper through connecting auxiliary parts; after the novel rail weighing structure is assembled, the bottom surface of the steel rail is in non-direct contact with the rail bearing table board of the sleeper, and the fixing mechanism can swing up and down along with the steel rail when deformed under pressure. This novel track weighing structure need not change special sleeper, does not influence large-scale machinery tamping operation requirement, installation convenient to use, low in cost, can prolong the track weighing structure method of the detection interval length of track scale, super unbalance loading appearance and improvement dynamic track scale, super unbalance loading detection device detection precision.)

1. The utility model provides a novel track structure of weighing which characterized in that: the novel rail weighing structure comprises a fixing mechanism consisting of a rail buckle bracket (4) arranged on a steel rail and a pressure sensor (1) arranged on a sleeper through connecting accessories; after the novel rail weighing structure is assembled, the bottom surface of the steel rail is in non-direct contact with the rail bearing table board of the sleeper, and the fixing mechanism can swing up and down along with the steel rail when deformed under pressure.

2. The novel track weighing structure of claim 1, wherein: the rail fastening support (4) comprises a fastening rail seat I (41 a) and a bridge plate (42); the buckling rail seat I (41 a) is in a square block shape, an inner groove (411) and a connecting hole (412) are formed in the buckling rail seat I (41 a), and the size of the inner groove (411) is matched with the lower flange of the cross section of the steel rail; the bridge plate (42) is in a square strip shape, and a hole position for mounting the pressure sensor (1) is arranged in the middle of the bridge plate (42); the rail buckle support (4) is a single whole formed by welding or fixing a buckle rail seat I (41 a) by bolts at the left side and the right side below the bridge plate (42);

the connecting auxiliary part comprises a transition rack (2), an adjusting base plate (3), an adjusting rubber mat (5), a rail buckle support combined bolt (6), a bridge plate connecting combined bolt (7) and a sensor pressing combined bolt (8); the front end of the transition rack (2) is provided with a mounting hole connected with a threaded spike on a sleeper rail supporting platform, and the upper table surface at the rear end of the transition rack is provided with a threaded hole for mounting the pressure sensor (1); the adjusting base plate (3) is in a square sheet shape, and a central hole is formed in the middle of the adjusting base plate (3); the adjusting rubber mat (5) is a rubber gasket; the rail buckle support combined bolt (6), the bridge plate connecting combined bolt (7) and the sensor pressing combined bolt (8) are standard connecting pieces;

in an assembly state, each measuring area needs to be provided with a set of pressure sensor (1) on the inner side and the outer side of the steel rails on two sides of the same sleeper; when the sleeper rail fastening device is installed, the center line of a sleeper is taken as the center, two rail fastening supports (4) are used on the inner side and the outer side of a steel rail to be centered and buckled on the lower edge of the steel rail, and a rail fastening support combined bolt (6) is penetrated and installed through a connecting hole (412) and is screwed tightly, so that the rail fastening supports (4) are fixed on the steel rail; the adjusting rubber mat (5) penetrates through a threaded spike mat on the rail bearing table to be placed on the rail bearing table surface; the adjusting cushion plate (3) passes through a threaded spike on the rail bearing platform through a central hole and falls on the adjusting rubber mat (5); the front end of the transition rack (2) penetrates through a threaded spike on the rail bearing platform through a mounting hole and falls on the adjusting base plate (3), the transition rack is screwed down through a nut (11) to be fixedly connected with the sleeper, and the rear end of the transition rack is placed on the upper surface of concrete at the sleeper end; the rail buckle bracket (4) and the steel rail are connected into a same follow-up body, and the transition rack (2) and the sleeper form a foundation body; the pressure sensor (1) is arranged on an installation platform consisting of the transition rack (2) and the bridge plate (42), one end of the pressure sensor (1) is connected with the bridge plate (42) through a bridge plate connecting combination bolt (7), and the other end of the pressure sensor (1) is connected with the rear end of the transition rack (2) through a sensor pressing combination bolt (8).

3. The novel track weighing structure of claim 1, wherein: the rail fastening support (4) is a fastening rail seat II (41 b), the fastening rail seat II (41 b) is in a square block shape, an inner groove (411), a connecting hole (412) and a hole site for mounting the pressure sensor (1) are formed in the fastening rail seat II (41 b), and the size of the inner groove (411) is matched with the lower convex edge of the cross section of the steel rail;

the connecting auxiliary part comprises a supporting rack (13), an adjusting base plate (3), a supporting rack connecting combination bolt (14), a rail buckle support combination bolt (6) and a sensor fixing combination bolt (15); the front end of the support rack is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the upper table surface at the rear end of the support rack is provided with a threaded hole for mounting a pressure sensor (1); the adjusting base plate (3) is in a square sheet shape, and a central hole is formed in the middle of the adjusting base plate (3); the support rack connecting combination bolt (14), the rail buckle support combination bolt (6) and the sensor fixing combination bolt (15) are standard connecting pieces;

in an assembly state, each measuring area needs to be provided with a set of pressure sensor (1) on the inner side and the outer side of the steel rails on two sides of the same sleeper; when the sleeper is installed, the center line of the sleeper is used as the center, the inner side and the outer side of the steel rail are respectively centered and buckled on the lower edge of the steel rail by two buckling rail seats II (41 b), and a rail buckling support combined bolt (6) is penetrated and installed through a connecting hole (412) and is screwed tightly, so that the buckling rail seats II (41 b) are fixed on the steel rail; the adjusting base plate (3) passes through a threaded spike pad on the rail bearing table through a central hole and falls on the rail bearing table; the rear end of the support rack (13) passes through a threaded spike (16) on the rail bearing platform through a mounting hole and falls on the adjusting base plate (3), and is screwed down through a nut (11) to be fixedly connected with the sleeper; the rail fastening seat II (41 b) and the steel rail are connected into a same follow-up body, and the support rack (13) and the sleeper form a base body; pressure sensor places on the mounting platform that support rack (13) and detain rail seat II (41 b) are constituteed, pressure sensor's middle part is connected with the front end of support rack (13) through support rack connection assembling bolt (14), pressure sensor's both ends are passed through sensor fixed assembling bolt (15) and are connected with detaining rail seat II (41 b).

4. The novel track weighing structure of claim 1, wherein: the rail fastening support (4) is a fastening rail seat III (41 c), the fastening rail seat III (41 c) is in a square block shape, an inner groove (411) is formed in the inner side of the fastening rail seat III (41 c), a connecting hole (412) is formed in the outer side of the fastening rail seat III, a hole site for mounting the upper mounting plate of the sensor is formed in the bottom of the fastening rail seat III, and the size of the inner groove (411) is matched with the lower convex edge of the cross section of the steel rail;

the connecting auxiliary comprises a sleeper buckle support I (19 a), a sensor upper mounting plate (18 a), a sensor lower supporting plate (18 b), a rail buckle support combined bolt (6) and a sensor fixing combined bolt; the sleeper button support I (19 a) comprises a bridge seat and mounting seats respectively arranged at two ends of the bridge seat, the bridge seat is of a semi-surrounding structure, a downward concave area of the semi-surrounding structure forms a sleeper riding groove, the middle of the bridge seat is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and a table top of the mounting seat is provided with a threaded hole for mounting a sensor lower support plate (18 b); the sensor upper mounting plate (18 a) is provided with a hole site for mounting with the pressure sensor (1) and a hole site for mounting with the fastening rail seat III (41 c); a hole site which is arranged with the pressure sensor (1) and a hole site which is arranged with the mounting seat on the pillow buckle bracket I (19 a) are arranged on the sensor lower supporting plate (18 b); the rail buckle support combined bolt (6) and the sensor fixing combined bolt (15) are both standard connecting pieces;

in an assembly state, centering and oppositely buckling two buckling rail seats III (41 c) on the inner side and the outer side of a steel rail at the lower edge of the steel rail by taking the center line of a sleeper as the center, penetrating and installing a rail buckling support combined bolt (6) through a connecting hole (412) and screwing up the rail buckling support combined bolt to fix the buckling rail seats III (41 c) on the steel rail; the sleeper button support I (19 a) is internally and externally provided with an integral frame which is buckled on sleeper threaded rail nails on two sides of the same steel rail respectively, the inner sleeper button support I (19 a) and the outer sleeper button support I (19 a) are connected through a sensor lower supporting plate (18 b) and are screwed down through nuts (11) to be fixedly connected with the sleepers, so that the inner sleeper button support I (19 a) and the outer sleeper button support I (19 a) form a same foundation body with the sleepers; the sensor upper mounting plate (18 a) is horizontally lapped at the bottom of the fastening rail seat III (41 c) and is fixedly connected with the fastening rail seat III (41 c); the buckling rail seat III (41 c) and the sensor upper mounting plate (18 a) form the same rigid linkage body with the steel rail; sensor lower backup pad (18 b) are as mounting platform, pressure sensor (1) are located on the sensor between mounting panel (18 a) and sensor lower backup pad (18 b), pressure sensor's pressure head passes through sensor fixed assembling bolt and sensor upper mounting panel (18 a) fixed connection, pressure sensor's strain induction body passes through sensor fixed assembling bolt and is connected with sensor lower backup pad (18 b).

5. The novel track weighing structure of claim 1, wherein: the rail fastening support (4) is a fastening rail seat IV (41 d), the fastening rail seat IV (41 d) is in a square block shape, an inner groove (411) is formed in the inner side of the fastening rail seat IV (41 d), a connecting hole (412) is formed in the outer side of the fastening rail seat IV (41 d), a hole site for mounting a pressure sensor is formed in the bottom of the fastening rail seat IV, and the size of the inner groove (411) is matched with the lower convex edge of the cross section of the steel rail;

the connecting auxiliary comprises a sleeper buckle support II (19 b), a sensor rear mounting plate (22 a), a sensor front mounting plate (22 b), a rail buckle support combined bolt (6), a front mounting plate combined bolt (21) and a rear mounting plate combined bolt (24); the sleeper buckle support II (19 b) comprises a bridge seat, the bridge seat comprises a bridge seat middle section and side sections arranged on two sides of the bridge seat middle section, the bridge seat middle section is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the bridge seat side sections are provided with threaded holes for mounting a sensor front mounting plate (22 b); the sensor front mounting plate (22 b) is provided with a hole site for mounting the pressure sensor (1) and a hole site for mounting the sensor rear mounting plate (22 a); a hole site which is arranged with the pressure sensor (1) and a hole site which is arranged with the buckling rail seat IV (41 d) are arranged on the sensor rear mounting plate (22 a); the rail buckle support combined bolt (6), the front mounting plate combined bolt (21) and the rear mounting plate combined bolt (24) are standard connecting pieces;

in an assembly state, centering and oppositely buckling two buckling rail seats IV (41 d) on the inner side and the outer side of a steel rail at the lower edge of the steel rail by taking the center line of a sleeper as a center, penetrating and installing a rail buckling support combined bolt (6) through a connecting hole (412) and screwing up to ensure that the buckling rail seats IV (41 d) are fixed on the steel rail; the sensor rear mounting plate (22 a) is flatly lapped on the bottom platform surfaces of the inner and outer fastening rail seats IV (41 d) and is tightly connected by bolts; the buckling rail seat IV (41 d), the sensor rear mounting plate (22 a) and the steel rail form the same rigid linkage body; the sleeper button bracket II (19 b) is buckled on a sleeper screw track nail from top to bottom by taking the center line of the sleeper as the center, the sleeper screw track nail is locked and fixed by a screw nut combination, and the inner side and the outer side of a sleeper rail supporting table surface are respectively provided with one piece; the sensor front mounting plate (22 b) is flatly lapped on the mounting table surface of the inner and outer pillow buckle supports II (19 b), and the sensor front mounting plate (22 b) is tightly connected with the inner and outer pillow buckle supports II (19 b) through the front mounting plate combination bolt (21); the inner pillow buckle bracket II (19 b), the outer pillow buckle bracket II, the sensor front mounting plate (22 b) and the sleeper (10) form a same basic body;

pressure sensor divides the front and back end to take respectively on the installation mesa of installing panel (22 b) constitution behind sensor mounting panel (22 a) and sensor, pressure sensor's front end is through preceding mounting panel combination bolt (21) and sensor preceding mounting panel (22 b) fixed connection, pressure sensor's rear end is connected with sensor rear mounting panel (22 a) through back mounting panel combination bolt (24).

6. A novel track weighing structure as claimed in any one of claims 2 to 5, wherein: the outline and the size of the pressure sensor (1) are customized according to the installation condition and the driving environment.

7. The novel track weighing structure of claim 6, wherein: the novel rail weighing structure further comprises a force measuring interval formed by shear sensors (12) arranged on the rail web of the steel rail.

8. The novel track weighing structure of claim 1, wherein: after the novel track weighing structure is assembled, the distance between one side of the novel track weighing structure and the outermost outline edge of the bottom of the steel rail is 40-44 mm.

Technical Field

The invention relates to a novel rail weighing structure.

Background

At present, in order to weigh and detect the loading capacity and the loading quality of a running railway wagon, a dynamic rail weighbridge or dynamic overload and unbalance load detection device needs to be installed in China. In order to ensure the detection accuracy, the detection interval is required to have a sufficient length, and each detection interval is generally about 3600 mm. In the past, an integral concrete foundation or a customized special sleeper is connected to form an integral foundation, and the pressure sensor is installed at the designed installation position of the integral concrete foundation or the specially designed special sleeper capable of installing the pressure sensor according to the size and the shape of the pressure sensor. The solutions have many disadvantages in the installation and maintenance process of the equipment due to related procedures, personnel allocation and equipment control: the construction cost is high, the period is long, the installation and operation are complex, and the maintenance difficulty is high.

Disclosure of Invention

The invention provides a novel rail weighing structure, which does not need to replace a special sleeper, does not influence the tamping operation requirement of large machinery, is convenient to install and use, has low manufacturing cost, and can prolong the detection interval length of a rail weighbridge and an overload and unbalance loading detector and improve the detection precision of a dynamic rail weighbridge and an overload and unbalance loading detector.

The technical scheme adopted by the invention is as follows: a novel rail weighing structure comprises a fixing mechanism consisting of a rail buckle bracket arranged on a steel rail and a pressure sensor arranged on a sleeper through connecting auxiliary parts; after the novel rail weighing structure is assembled, the bottom surface of the steel rail is in non-direct contact with the rail bearing table board of the sleeper, and the fixing mechanism can swing up and down along with the steel rail when deformed under pressure.

The further technical scheme is as follows: the rail buckle support comprises a buckle rail seat I and a bridge plate; the buckling rail seat I is in a square shape and is provided with an inner groove and a connecting hole, and the size of the inner groove is matched with the lower flange of the cross section of the steel rail; the bridge plate is in a square strip shape, and a hole site for mounting the pressure sensor is arranged in the middle of the bridge plate; the rail buckle support is a single whole formed by welding or fixing a buckle rail seat I by bolts on the left side and the right side below the bridge plate;

the connecting auxiliary part comprises a transition rack, an adjusting base plate, an adjusting rubber pad, a rail buckle support combined bolt, a bridge plate connecting combined bolt and a sensor pressing combined bolt; the front end of the transition rack is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the upper table surface at the rear end of the transition rack is provided with a threaded hole for mounting a pressure sensor; the adjusting base plate is in a square sheet shape, and a central hole is formed in the middle of the adjusting base plate; the adjusting rubber pad is a rubber gasket; the rail buckle support combination bolt, the bridge plate connecting combination bolt and the sensor pressing combination bolt are standard connecting pieces;

in an assembly state, each measuring area needs to be provided with a set of pressure sensor on the inner side and the outer side of the steel rails on two sides of the same sleeper; when the sleeper is installed, the central line of the sleeper is taken as the center, the inner side and the outer side of the steel rail are centered and buckled on the lower edge of the steel rail by two rail buckle supports, and the rail buckle supports are fixed on the steel rail by penetrating and installing rail buckle support combined bolts through connecting holes and screwing down the rail buckle supports; the adjusting rubber pad penetrates through a threaded spike pad on the rail bearing table and is placed on the rail bearing table surface; the adjusting cushion plate passes through a threaded spike on the rail bearing platform through a central hole and falls on the adjusting rubber cushion; the front end of the transition rack passes through a threaded spike on the rail bearing platform through a mounting hole and falls on the adjusting base plate, the transition rack is screwed down through a nut to be fixedly connected with the sleeper, and the rear end of the transition rack is placed on the upper surface of concrete at the sleeper end; the rail buckle bracket and the steel rail are connected into a same follow-up body, and the transition rack and the sleeper form a basic body; the pressure sensor is arranged on an installation platform consisting of the transition rack and the bridge plate, one end of the pressure sensor is connected with the bridge plate through a bridge plate connecting combination bolt, and the other end of the pressure sensor is connected with the rear end of the transition rack through a sensor pressing combination bolt.

The further technical scheme is as follows: the rail buckle support is a buckle rail seat II which is in a square shape and is provided with an inner groove, a connecting hole and a hole site for mounting the pressure sensor, and the size of the inner groove is matched with the lower convex edge of the cross section of the steel rail;

the connecting auxiliary part comprises a support rack, an adjusting base plate, a support rack connecting combination bolt, a rail buckle support combination bolt and a sensor fixing combination bolt; the front end of the support rack is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the upper table surface at the rear end of the support rack is provided with a threaded hole for mounting a pressure sensor; the adjusting base plate is in a square sheet shape, and a central hole is formed in the middle of the adjusting base plate; the supporting rack connecting combination bolt, the rail buckle bracket combination bolt and the sensor fixing combination bolt are standard connecting pieces;

in an assembly state, each measuring area needs to be provided with a set of pressure sensor on the inner side and the outer side of the steel rails on two sides of the same sleeper; when the sleeper is installed, the center line of the sleeper is taken as the center, the inner side and the outer side of the steel rail are respectively centered and buckled on the lower edge of the steel rail by two buckling rail seats II, and the rail buckling bracket combination bolt is penetrated and installed through the connecting hole and is screwed tightly, so that the buckling rail seats II are fixed on the steel rail; the adjusting base plate passes through the threaded spike pad on the rail bearing platform through the central hole and falls on the rail bearing platform; the rear end of the support rack passes through a threaded spike on the rail bearing platform through a mounting hole and falls on the adjusting base plate, and is screwed down through a nut to be fixedly connected with the sleeper; the rail fastening seat II and the steel rail are connected into a same follow-up body, and the support rack and the sleeper form a basic body; the pressure sensor is placed on a supporting rack and a mounting platform consisting of a buckling rail seat II, the middle part of the pressure sensor is connected with the front end of the supporting rack through a supporting rack connecting combination bolt, and the two ends of the pressure sensor are connected with the buckling rail seat II through a sensor fixing combination bolt.

The further technical scheme is as follows: the rail fastening support is a fastening rail seat III, the fastening rail seat III is in a square shape, an inner groove is formed in the inner side of the fastening rail seat III, a connecting hole is formed in the outer side of the fastening rail seat III, a hole site for mounting the sensor upper mounting plate is formed in the bottom of the fastening rail seat III, and the size of the inner groove is matched with the lower convex edge of the cross section of the steel rail;

the connecting auxiliary comprises a sleeper buckle support I, a sensor upper mounting plate, a sensor lower support plate, a rail buckle support combined bolt and a sensor fixing combined bolt; the sleeper button support I comprises a bridge seat and mounting seats respectively arranged at two ends of the bridge seat, the bridge seat is of a semi-surrounding structure, a sleeper riding groove is formed in a downward concave area of the semi-surrounding structure, a mounting hole connected with a threaded spike on a sleeper rail bearing platform is formed in the middle of the bridge seat, and a threaded hole for mounting a lower supporting plate of a sensor is formed in a platform surface of the mounting seat; the sensor upper mounting plate is provided with a hole site for mounting the pressure sensor and a hole site for mounting the buckling rail seat III; a hole site for mounting the pressure sensor and a hole site for mounting the mounting seat on the pillow buckle bracket I are formed in the sensor lower supporting plate; the rail buckle bracket combination bolt and the sensor fixing combination bolt are standard connecting pieces;

in an assembly state, centering and oppositely buckling two buckling rail seats III on the inner side and the outer side of a steel rail at the lower edge of the steel rail by taking the center line of a sleeper as the center, and penetrating and installing a rail buckling support combined bolt through a connecting hole and screwing down the rail buckling support combined bolt to fix the buckling rail seats III on the steel rail; the sleeper button support I is internally and externally provided with an integral frame which is buckled on sleeper threaded rail nails on two sides of the same steel rail respectively, and the inner sleeper button support I and the outer sleeper button support I are connected through a lower supporting plate of a sensor and are fixedly connected with the sleeper through screwing of a nut, so that the inner sleeper button support I and the sleeper form a same foundation body; the sensor upper mounting plate is horizontally lapped at the bottom of the buckling rail seat III and is fixedly connected with the buckling rail seat III; the buckling rail seat III and the mounting plate on the sensor form the same rigid linkage body with the steel rail; the sensor bottom suspension fagging is as mounting platform, pressure sensor is located on the sensor between mounting panel and the sensor bottom suspension fagging, pressure sensor's pressure head passes through sensor fixed assembling bolt and sensor on mounting panel fixed connection, pressure sensor's strain induction body passes through sensor fixed assembling bolt and is connected with the sensor bottom suspension fagging.

The further technical scheme is as follows: the rail fastening support is a fastening rail seat IV which is in a square shape, an inner groove is arranged on the inner side of the fastening rail seat IV, a connecting hole is formed in the outer side of the fastening rail seat IV, a hole site for mounting the pressure sensor is formed in the bottom of the fastening rail seat IV, and the size of the inner groove is matched with the lower convex edge of the cross section of the steel rail;

the connecting auxiliary part comprises a sleeper buckle support II, a sensor rear mounting plate, a sensor front mounting plate, a rail buckle support combination bolt, a front mounting plate combination bolt and a rear mounting plate combination bolt; the sleeper buckle support II comprises a bridge seat, the bridge seat comprises a middle bridge seat section and side sections arranged on two sides of the middle bridge seat section, the middle bridge seat section is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the side sections of the bridge seat are provided with threaded holes for mounting a sensor front mounting plate; a hole site for mounting the pressure sensor and a hole site for mounting the rear mounting plate of the sensor are formed in the front mounting plate of the sensor; a hole site for mounting the pressure sensor and a hole site for mounting the buckling rail seat IV are formed in the sensor rear mounting plate; the rail buckle bracket combination bolt, the front mounting plate combination bolt and the rear mounting plate combination bolt are standard connecting pieces;

in an assembly state, centering and oppositely buckling two buckling rail seats IV on the inner side and the outer side of a steel rail on the lower edge of the steel rail by taking the center line of a sleeper as the center, and penetrating and installing a rail buckling support combined bolt through a connecting hole and screwing down the rail buckling support combined bolt to fix the buckling rail seats IV on the steel rail; the rear mounting plate of the sensor is flatly lapped on the platform surface at the bottom of the inner and outer buckling rail seats IV and is tightly connected by bolts; the buckling rail seat IV, the sensor rear mounting plate and the steel rail form a same rigid linkage body; the sleeper button bracket II is buckled on a sleeper screw thread rail nail from top to bottom by taking a sleeper central line as a center, and is locked and fixed by a screw thread rail nail combination nut, and the inner side and the outer side of a sleeper rail bearing table surface steel rail are respectively provided with one piece; the sensor front mounting plate is horizontally lapped on the mounting table surface of the inner pillow buckle support II and the mounting table surface of the outer pillow buckle support II, and the sensor front mounting plate is tightly connected with the inner pillow buckle support II and the outer pillow buckle support II through the front mounting plate combined bolt; the inner pillow buckle bracket II, the outer pillow buckle bracket II, the sensor front mounting plate and the sleeper form a same basic body;

the pressure sensor divides the front and back end to take respectively on the installation mesa that the mounting panel constitutes behind sensor and the sensor, pressure sensor's front end passes through preceding mounting panel combination bolt and sensor preceding mounting panel fixed connection, pressure sensor's rear end passes through the rear mounting panel combination bolt and is connected with sensor rear mounting panel.

The further technical scheme is as follows: the outline and the size of the pressure sensor are customized according to the installation condition and the driving environment.

The further technical scheme is as follows: the novel rail weighing structure further comprises a force measuring interval formed by shear sensors arranged on the rail web of the steel rail.

The further technical scheme is as follows: after the novel track weighing structure is assembled, the distance between one side of the novel track weighing structure and the outermost outline edge of the bottom of the steel rail is 40-44 mm.

Due to the adoption of the technical scheme, the novel track weighing structure has the following beneficial effects:

1. the novel track weighing device is reasonable and compact in structure, simple in structure, compact in design and high in compatibility, a pressure sensor can be mounted on a common sleeper by adopting the additional mechanical structure, the original circuit foundation is kept unchanged, a special overload and unbalanced sleeper does not need to be replaced, and the universality is high; the length of the detection interval of the rail weighbridge and the overload and unbalance loading instrument is prolonged by utilizing the additional structure to be matched with the sensor, and the detection precision is improved. Moreover, the geometric dimension of the additional mechanical structure of the novel track weighing structure is designed according to the operation requirement without influencing the drum tamping of the large machine, the distance between the original sleepers is not required to be adjusted, and the drum tamping operation of the large machine is not influenced. After the novel track weighing structure is assembled, the distance between one side of the novel track weighing structure and the outermost outline edge of the bottom of the steel rail is about 42 mm; and the inboard tamping pick distance of tamping unit of conventional tamping car such as models such as DC32, DCL32 is 240mm, according to ordinary 60 rail base standard width 150mm, and unilateral tamping pick is 45mm with the at least distance of rail base, and for guaranteeing absolute safety, the tamping car still plus reserves 25mm buffer, so this novel track structure of weighing does not all influence the operation requirement that the big machine was stamped the drum.

2. This novel track structure of weighing's installation need not to call the main equipment for whole construction work volume very reduces, and the engineering time shortens. The cost of manufacturing and transporting the special sleeper is greatly saved, and a large amount of manpower and material resources which are needed for replacing the special sleeper are also saved.

3. The use, the maintenance and the replacement are convenient.

The technical characteristics of the novel track weighing structure of the invention are further explained in the following by combining the attached drawings and the embodiment.

Drawings

FIG. 1 is a layout view (perspective view) of a novel track weighing structure in accordance with example 1;

FIG. 2 is a layout view (plan view) of an installation scheme of a novel track weighing structure in embodiment 1;

FIG. 3 is a schematic view showing an assembling structure of a novel track weighing structure according to embodiment 1;

FIG. 4 is a sectional view of an assembling structure of a novel rail weighing structure in accordance with embodiment 1;

FIG. 5 is a shear sensor mounting schematic;

FIG. 6 is a schematic structural view of a buckle holder of embodiment 1;

FIG. 7 is a schematic structural view of a transition stage of embodiment 1;

FIG. 8 is a schematic view of the structure of a leveling plate of embodiment 1;

FIG. 9 is a schematic view of the adjustment pad 5;

fig. 10 is a schematic structural view of the pressure sensor of embodiment 1;

FIG. 11 is a structural sectional view of a pressure sensor of embodiment 1; (ii) a

Fig. 12 is a plan view of the pressure sensor of embodiment 1;

FIG. 13 is a layout view (perspective view) of a novel track weighing structure according to example 2;

FIG. 14 is a layout view (plan view) of an installation scheme of a novel rail weighing structure according to embodiment 2;

FIG. 15 is an exploded view of the assembly of a novel track weighing structure according to example 2;

FIG. 16 is a layout view (perspective view) of a novel track weighing structure according to example 3;

FIG. 17 is a layout view (plan view) of a mounting scheme of a novel rail weighing structure according to embodiment 3;

FIG. 18 is a schematic view of a novel rail weighing structure in example 3;

FIG. 19 is an exploded view of the assembly of a novel track weighing structure according to example 3;

FIG. 20 is a layout view (perspective view) of a mounting scheme of a novel track weighing structure according to example 4;

FIG. 21 is a plan view showing the layout of a mounting scheme of a novel rail weighing structure according to example 4;

FIG. 22 is a schematic view of a novel rail weighing structure in example 4;

fig. 23 is an assembled exploded view of a novel rail weighing structure according to example 3.

Description of reference numerals:

1-a pressure sensor; 2-a transition rack; 3-adjusting the base plate; 4-rail buckle support; 41 a-fastening rail seat I; 41 b-a fastening rail seat II; 41 c-rail seat III; 41 d-buckling rail seat IV; 411-inner groove; 412-connecting hole; 42-a bridge plate; 5-adjusting the rubber mat; 6-rail buckle support combination bolt; 7-connecting the bridge plate with the combined bolt; 8, pressing the combination bolt by the sensor; 9-steel rail; 10-sleeper; 11-a nut; 12-a shear sensor; 13-a support stand; 14-support stand assembly bolts; 15-sensor fixing assembling bolt 16-thread spike; 17-an elongated strain force sensor; 18 a-sensor upper mounting plate; 18 b-sensor lower support plate; 19 a-occipital clasp bracket I; 19 b-occipital buckle support II; 20-cylindrical strain force sensors; 21-front mounting plate assembling bolts; 22 a-sensor rear mounting plate; 22 b-sensor front mounting plate; 23-short strip strain force sensors; and 24-rear mounting plate assembling bolts.

Detailed Description

The utility model provides a novel track structure of weighing, this structure of weighing adopts additional mechanical structure to make and installs pressure sensor on ordinary sleeper on original ordinary sleeper basis, realizes the length of extension track scale, overload detection device's heavy detection area section of wheel to improve and detect the precision.

The novel rail weighing structure comprises a fixing mechanism consisting of a rail buckle bracket 4 arranged on a steel rail and a pressure sensor 1 arranged on a sleeper through connecting auxiliary parts; novel rail weighing structure assembly accomplishes the back, rail bottom surface and sleeper support rail mesa non-direct contact, because the rail bottom surface does not support rail mesa direct contact with the sleeper, so fixed establishment luffing motion when can following the rail compression deformation produces effort and reaction force with the sleeper and drives the sensor pressurized and produce the signal, thereby the principle makes the gravity when having the freight train to roll rail deformation extrusion pressure sensor 1 through the wheel in the process of surveying the district in view of the above to produce signal data.

As shown in fig. 5, the novel track weighing structure further comprises a force measuring section formed by the shear sensors 12 installed on the rail web of the steel rail, and when a train wheel is located in the detection area, the corresponding train wheel weight can be measured. The outline and the size of the pressure sensor 1 are customized sensors according to installation conditions and driving environments, and the tonnage can be selected.

There are several different embodiments as follows according to the structure and installation manner of the rail clip bracket 4 and the pressure sensor 1.

Example 1:

the novel track weighing structure shown in fig. 1-4 comprises a rail clip support 4 mounted on a steel rail and a pressure sensor 1 mounted on a common sleeper, which form a fixing mechanism through connecting accessories.

As shown in fig. 6, the rail clip support 4 is formed by fastening or welding a clip rail seat I41a and a bridge plate 42 into a single body by bolts, wherein the clip rail seat I41a is a metal square block, is provided with an inner groove 411 with a size matched with the lower flange of the cross section of the steel rail, and is drilled with a connecting through hole 412; the bridge plate 42 is a metal square strip, the processing plane of the lapping surface is flat, and the middle part of the square strip is provided with a mounting hole position of the pressure sensor 1. The rail buckle support 4 is formed by welding or bolting one buckle rail seat I41a on the left side and the right side below the bridge plate 42 to form a single whole, and the rail buckle support 4 on the inner side and the outer side of the steel rail is connected in a pulling and buckling manner by using the rail buckle support combined bolt 6, so that the rail buckle support 4 and the steel rail form a same rigid linkage body.

The connecting auxiliary part comprises a transition rack 2, an adjusting base plate 3, an adjusting rubber mat 5, a rail buckle support combination bolt 6, a bridge plate connecting combination bolt 7 and a sensor pressing combination bolt 8; referring to fig. 7, the transition rack 2 is a metal workpiece with a boss and is a mounting base member of the pressure sensor 1, a mounting hole connected with a threaded spike on a sleeper rail supporting platform is drilled at the front end of the transition rack 2, and a threaded hole for mounting the pressure sensor 1 is drilled on an upper table surface at the rear end of the transition rack; referring to fig. 8, the adjusting shim plate 3 is a metal square plate, a central hole is drilled in the middle of the square plate, and the adjusting shim plate 3 is used for adjusting the horizontal height of the transition rack 2; referring to fig. 9, the adjusting rubber mat 5 is a rubber gasket, and the thickness of the sheet is selected according to the installation height and used for assisting the fine adjustment of the adjusting cushion plate 3; the rail buckle support combination bolt 6, the bridge plate connecting combination bolt 7 and the sensor pressing combination bolt 8 are all standard connecting pieces;

as shown in fig. 10-12, the front end of the pressure sensor 1 is drilled with a connection hole connected with the bridge plate 42, and the rear end is left with a double connection hole connected with the transition rack 2.

In an assembly state, each measuring area needs to be provided with a set of pressure sensor 1 on the inner side and the outer side of the steel rails on two sides of the same sleeper respectively, and 4 pressure sensors 1 are needed in total (see fig. 1 and 2); during installation, referring to fig. 3 and 4, the center line of the sleeper is taken as the center, the inner side and the outer side of the steel rail are centered and buckled on the lower edge of the steel rail by two rail buckle supports 4, and the rail buckle supports 4 are fixed on the steel rail by penetrating and screwing the rail buckle support combination bolt 6 through the connecting hole 412 on the buckle rail seat I41 a; selecting an adjusting rubber mat 5 with proper thickness to pass through a threaded spike mat on the rail bearing platform through a central hole and put on the rail bearing platform surface; after the adjusting cushion plate 3 is arranged on the adjusting rubber mat 5 in a falling mode, the adjusting cushion plate 3 is arranged on the transition rack 2 from top to bottom, namely the adjusting cushion plate 3 penetrates through a threaded spike on the rail bearing platform through a center hole and is arranged on the adjusting rubber mat 5 in a falling mode; the front end of the transition rack 2 passes through a threaded spike on the rail bearing platform through a mounting hole and is arranged on the adjusting base plate 3, and the rear end of the transition rack is arranged on the upper surface of concrete at the sleeper end; the upper table surface of the transition rack 2 is flat by adjusting the adjusting base plate 3 and the adjusting rubber pad 5, and the nut 11 of the threaded spike is tightened after the height is proper, so that the transition rack 2 is fixedly connected with the sleeper; after the installation is finished, the rail buckle bracket 4 and the steel rail are connected into a same follow-up body, and the transition rack 2 and the sleeper form a foundation body; finally, the pressure sensor 1 is placed on a mounting platform consisting of a transition rack 2 and a bridge plate 42, after the front and the back of the pressure sensor 1 are aligned with the hole positions of the upper transition rack 2 and the rail buckle bracket 4, the bridge plate connecting and combining bolt 7 is used for assembling and screwing the hole positions, so that the front end of the pressure sensor is fixedly connected with the bridge plate 42, the sensor pressing and combining bolt 8 is used for assembling and screwing the hole positions, and the rear end of the pressure sensor is fixedly connected with the rear end of the transition rack 2.

In this embodiment 1, the bottom surface of the steel rail in the measurement area and the rail bearing table are in micro-distance suspension, there is a space for the steel rail to swing and deform, the deformation of the steel rail drives the rail buckle support 4 to deform when the wheel passes through, the front end of the pressure sensor 1 is linked with the rail buckle support 4 to follow, the rear end is linked with the sleeper to be relatively static, and the dislocation drives the pressure sensor 1 to deform, so that the sensor is stressed to generate signals.

Example 2:

a novel rail weighing structure as shown in fig. 13-15, which comprises a rail clip bracket 4 mounted on a steel rail and a pressure sensor 1 mounted on a common sleeper, wherein the pressure sensor 1 is connected with an auxiliary component to form a fixing mechanism.

The rail buckle support 4 is a buckle rail seat II41b, the buckle rail seat II41b is square, the buckle rail seat II41b is provided with an inner groove 411, a connecting hole 412 and a hole position for installing the pressure sensor 1, and the size of the inner groove 411 is matched with the lower flange of the cross section of the steel rail.

The connecting auxiliary part comprises a supporting rack 13, an adjusting base plate 3, a supporting rack connecting combination bolt 14, a rail buckle support combination bolt 6 and a sensor fixing combination bolt 15; the front end of the support rack is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the upper table surface at the rear end of the support rack is provided with a threaded hole for mounting the pressure sensor 1; the adjusting base plate 3 is square, and a central hole is formed in the middle of the adjusting base plate 3; the support rack connecting combination bolt 14, the rail buckle support combination bolt 6 and the sensor fixing combination bolt 15 are standard connecting pieces.

The pressure sensor 1 is a strip strain type sensor 17, a connecting hole connected with the support rack 13 is drilled in the middle of the strip strain type sensor 17, and double connecting holes connected with the buckling rail seat II41b are reserved at the front end and the rear end of the strip strain type sensor 17.

In an assembly state, each measuring area needs to be provided with a set of pressure sensor 1 on the inner side and the outer side of the steel rails on two sides of the same sleeper; when the sleeper is installed, the center line of the sleeper is taken as the center, the inner side and the outer side of the steel rail are respectively centered and buckled on the lower edge of the steel rail by two rail buckling seats II41b, and the rail buckling bracket combination bolt 6 is penetrated and installed through the connecting hole 412 on the rail buckling seat II41b and is screwed down, so that the rail buckling seat II41b is fixed on the steel rail; the adjusting base plate 3 passes through a threaded spike pad on the rail bearing table through a central hole and falls on the rail bearing table; the rear end of the support rack 13 passes through a threaded spike 16 on the rail bearing platform through a mounting hole and falls on the adjusting base plate 3, and is screwed down through a nut 11 to be fixedly connected with the sleeper; after the installation is completed, the fastening rail seat II41b and the steel rail are connected into the same follow-up body, and the support rack 13 and the sleeper form a basic body; strain sensor 17 places on the mounting platform that support rack 13 and buckle rail seat II41b are constituteed, the middle part of strain sensor 17 is connected with the front end of support rack 13 through support rack connection assembling bolt 14, the both ends of strain sensor 17 are passed through sensor fixed assembling bolt 15 and are connected with buckle rail seat II41 b.

In this embodiment 2, the bottom surface of the steel rail in the measurement area and the surface of the rail support are in micro-distance suspension, and there is a space for the steel rail to swing and deform, when the wheel passes through, the deformation of the steel rail drives the deformation of the rail buckle support 4, the front and rear ends of the strain sensor 17 are linked with the rail buckle support 4 to follow up, the middle part of the strain sensor is linked with the sleeper to be relatively static, and the dislocation difference drives the strain sensor 17 to deform, so that the stress of the sensor generates a signal.

Example 3:

the novel track weighing structure shown in fig. 16-19 comprises a rail clip bracket 4 mounted on a steel rail and a pressure sensor 1 mounted on a common sleeper, which form a fixing mechanism through connecting accessories.

The rail fastening support 4 is a fastening rail seat III 41c, the fastening rail seat III 41c is in a square shape, an inner groove 411 is arranged on the inner side of the fastening rail seat III 41c, a connecting hole 412 is formed in the outer side of the fastening rail seat III, a hole position for mounting the sensor upper mounting plate is arranged at the bottom of the fastening rail seat III, and the size of the inner groove 411 is matched with the lower flange of the cross section of the steel rail.

The connecting auxiliary comprises a sleeper buckle support I19 a, a sensor upper mounting plate 18a, a sensor lower supporting plate 18b, a rail buckle support combined bolt 6 and a sensor fixing combined bolt; the sleeper button support I19 a comprises a bridge seat and mounting seats respectively arranged at two ends of the bridge seat, the bridge seat is of a semi-surrounding structure, a sleeper riding groove is formed in a downward concave area of the semi-surrounding structure, a mounting hole connected with a threaded rail spike on a sleeper rail supporting platform is formed in the middle of the bridge seat, and a threaded hole for mounting a sensor lower support plate 18b is formed in the table surface of the mounting seat; the middle part of the sensor upper mounting plate 18a is provided with a hole site for mounting the pressure sensor 1, and the two ends of the sensor upper mounting plate are provided with hole sites for mounting the buckling rail seat III 41 c; the middle part of the sensor lower supporting plate 18b is provided with a hole site for mounting the pressure sensor 1, and the two ends of the sensor lower supporting plate are provided with hole sites for mounting the mounting seat on the pillow buckle bracket I19 a; and the rail buckle support combination bolt 6 and the sensor fixing combination bolt 15 are standard connecting pieces.

The pressure sensor 1 is a cylindrical strain sensor 20, and the cylindrical strain sensor is composed of a pressure head and a strain inductor.

In an assembly state, centering and oppositely buckling two buckling rail seats III 41c on the inner side and the outer side of a steel rail on the lower edge of the steel rail by taking the center line of a sleeper as a center, penetrating and installing a rail buckling support combined bolt 6 through a connecting hole 412 and screwing down, so that the buckling rail seats III 41c are fixed on the steel rail; the interior and exterior of the sleeper button support I19 a are respectively provided with an integral frame which is buckled on sleeper threaded rail nails at two sides of the same steel rail, the interior and exterior sleeper button supports I19 a are connected through a sensor lower support plate 18b and are screwed up through nuts 11 to be fixedly connected with sleepers, and therefore the interior and exterior sleeper button supports I19 a and the sleepers form a same foundation body; the sensor upper mounting plate 18a is horizontally lapped at the bottom of the fastening rail seat III 41c and is fixedly connected with the fastening rail seat III 41 c; the fastening rail seat III 41c and the sensor upper mounting plate 18a form the same rigid linkage body with the steel rail; mounting panel 18a, sensor bottom suspension fagging 18b are regarded as upper and lower mounting platform respectively on the sensor, cylindric strain transducer 20 is arranged in on the sensor between mounting panel 18a and the sensor bottom suspension fagging 18b, cylindric strain transducer 20's pressure head passes through sensor fixed assembling bolt and sensor on mounting panel 18a fixed connection, cylindric strain transducer 20's strain induction body passes through sensor fixed assembling bolt and is connected with sensor bottom suspension fagging 18 b.

In this embodiment 3, the bottom surface of the steel rail in the measurement area does not directly contact with the rail bearing table-board of the sleeper, the steel rail has a lower swing deformation space, when a vehicle rolls the steel rail through a wheel, the steel rail elastically deforms downwards, the steel rail drives the rail fastening seat iii 41c and the upper mounting plate 18a of the sensor together with the pressure head of the sensor 20 to displace downwards, and the strain sensor touches the strain sensor of the extrusion sensor 20, so that the strain sensor is stressed to generate a signal.

Example 4:

a novel rail weighing structure as shown in fig. 20-23, which comprises a rail clip bracket 4 mounted on a steel rail and a pressure sensor 1 mounted on a common sleeper, wherein the pressure sensor 1 is connected with an auxiliary component to form a fixing mechanism.

The rail fastening support 4 is a fastening rail seat IV 41d, the fastening rail seat IV 41d is in a square shape, an inner groove 411 is arranged on the inner side of the fastening rail seat IV 41d, a connecting hole 412 is formed in the outer side of the fastening rail seat IV 41d, a hole position for installing a pressure sensor is formed in the bottom of the fastening rail seat IV 41d, and the size of the inner groove 411 is matched with the lower convex edge of the cross section of the steel rail.

The connecting auxiliary comprises a sleeper buckle support II 19b, a sensor rear mounting plate 22a, a sensor front mounting plate 22b, a rail buckle support combination bolt 6, a front mounting plate combination bolt 21 and a rear mounting plate combination bolt 24; the sleeper buckle support II 19b comprises a bridge seat, the bridge seat comprises a bridge seat middle section and side sections arranged on two sides of the bridge seat middle section, the bridge seat middle section is provided with a mounting hole connected with a threaded spike on a sleeper rail bearing platform, and the bridge seat side section is provided with a threaded hole for mounting a sensor front mounting plate 22 b; the middle part of the sensor front mounting plate 22b is provided with a hole site for mounting the pressure sensor 1, and the two ends of the sensor front mounting plate 22b are provided with hole sites for mounting the sensor rear mounting plate 22 a; the sensor rear mounting plate 22a is provided with a hole site for mounting with the pressure sensor 1 and a hole site for mounting with the buckling rail seat IV 41 d; and the rail buckle support combination bolt 6, the front mounting plate combination bolt 21 and the rear mounting plate combination bolt 24 are standard connecting pieces.

In an assembly state, centering and oppositely buckling two buckling rail seats IV 41d on the inner side and the outer side of a steel rail on the lower edge of the steel rail by taking the center line of a sleeper as a center, penetrating and installing a rail buckling support combined bolt 6 through a connecting hole 412 and screwing down, so that the buckling rail seats IV 41d are fixed on the steel rail; the sensor rear mounting plate 22a is horizontally lapped on the bottom platform surface of the inside and outside buckling rail seat IV 41d and is tightly connected through bolts; the buckling rail seat IV 41d, the sensor rear mounting plate 22a and the steel rail form the same rigid linkage body; the sleeper button bracket II 19b is buckled on a sleeper screw thread rail nail from top to bottom by taking the center line of the sleeper as the center, and is locked and fixed by a screw thread rail nail combined nut, and the inner side and the outer side of a sleeper rail supporting table surface steel rail are respectively provided with one piece; the sensor front mounting plate 22b is flatly lapped on the mounting table surface of the inner and outer sleeper buckle supports II 19b, and the sensor front mounting plate 22b is tightly connected with the inner and outer sleeper buckle supports II 19b through the front mounting plate combination bolt 21; the inner pillow buckle support II 19b, the outer pillow buckle support II, the sensor front mounting plate 22b and the sleeper 10 form a same basic body; the inner pillow buckle support II 19b, the outer pillow buckle support II, the sensor front mounting plate 22b and the sleeper 10 form a same basic body.

And each measuring area needs to be provided with a pressure sensor on the left side and the right side of each steel rail lower abdomen sleeper.

The pressure sensor is a short strip-shaped strain force sensor 24, a connecting hole connected with a sensor front mounting plate 22b is drilled at the front end of the short strip-shaped strain force sensor 24, and a double connecting hole connected with a sensor rear mounting plate 22a is reserved at the rear end.

The mounting table face that mounting panel 22b constitutes before mounting panel 22a and the sensor before 24 minutes front and back ends of short banding strain force sensor take the dress respectively behind the sensor on, mounting panel 22b fixed connection before short banding strain force sensor 24's front end passes through preceding mounting panel combination bolt 21 and the sensor, short banding strain force sensor 24's rear end passes through back mounting panel combination bolt 24 and is connected with sensor rear mounting panel 22 a.

In this embodiment 4, the bottom surface of the steel rail in the measurement area does not directly contact with the rail bearing table top of the sleeper, the steel rail has a lower swing deformation space, when a vehicle rolls the steel rail through wheels, the steel rail is elastically deformed downwards, the deformation of the steel rail drives the buckling rail seat iv 41d to deform and the sensor front mounting plate 22b to deform, the front end of the strip-shaped strain force sensor 24 is connected with the sensor front mounting plate 22b to follow up, the rear end of the strip-shaped strain force sensor 24 is connected with the sleeper to be relatively static, and the dislocation difference drives the strain sensor to be extruded to deform, so that the strain sensor is stressed to generate signals.

The novel track weighing structure of the embodiment 1-embodiment 4 is designed according to the operation requirement without influencing the tamping drum of the motor, and after the components are assembled, the distance from one side of the novel track weighing structure to the outermost contour edge of the bottom of the steel rail is 40-44 mm.

But this novel track weighing structure wide application in railway freight train surpasses the occasion of weighing of tracks such as unbalance loading detection device, rail weighbridge, and does not influence driving safety, need not install special sleeper, reaches saving engineering time, construction cost purpose.

The parts not involved in the present invention are the same as or can be implemented using the prior art. While the invention has been described in detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that the present invention is not limited to the details of the foregoing embodiments, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.