阅读说明：本技术 一种铁路道岔表示杆装置 (Railway switch indicating rod device ) 是由 孙晓勇 谢博才 薛家兵 刘亚东 张凉 刘振华 李继 张立军 王文龙 谢中理 于 2021-01-05 设计创作，主要内容包括：本发明涉及铁路设备领域,公开一种铁路道岔表示杆装置。所述铁路道岔表示杆装置包括连接件、接头件、表示杆和限位结构,连接件被配置为与基本轨一侧的尖轨连接；接头件的一端与连接件转动连接；表示杆连接于接头件的另一端；限位结构与基本轨连接,用于对表示杆进行沿基本轨的长度方向的限位。本发明可解决尖轨爬行所产生的转辙机机内缺口信息异常甚至卡阻的故障,将有益于降低现场故障率,延长表示缺口的调整周期,极大降低现场维护工作量的同时对行车效率和行车安全也将起到积极的作用。(The invention relates to the field of railway equipment, and discloses a railway turnout indication rod device. The railway turnout indication rod device comprises a connecting piece, a joint piece, an indication rod and a limiting structure, wherein the connecting piece is configured to be connected with a switch rail on one side of a stock rail; one end of the joint piece is rotatably connected with the connecting piece; the indicating rod is connected to the other end of the joint member; the limiting structure is connected with the stock rail and used for limiting the indicating rod along the length direction of the stock rail. The invention can solve the problem of abnormal information of the gap in the switch machine and even the fault of blocking caused by the creeping of the switch rail, is beneficial to reducing the field fault rate, prolonging the adjustment period of the gap, greatly reduces the field maintenance workload and plays a positive role in the driving efficiency and the driving safety.)

1. A railway switch indicating rod assembly comprising:

a connector (1) configured to connect with a point rail (200) on one side of a stock rail (100);

the joint piece (2), one end of the joint piece (2) is rotatably connected with the connecting piece (1);

a presentation lever (3) connected to the other end of the joint member (2);

and the limiting structure (4) is connected with the stock rail (100) and is used for limiting the indicating rod (3) along the length direction of the stock rail (100).

2. The railway switch indicating rod device as claimed in claim 1, wherein the indicating rod (3) is connected to the joint member (2) through a fine adjustment assembly (5), the fine adjustment assembly (5) comprises an angular contact knuckle bearing (51) and an adjusting nut (52), a step hole (21) is formed in the joint member (2), the angular contact knuckle bearing (51) is arranged in the step hole (21), the adjusting nut (52) is connected to the joint member (2) and abuts against the angular contact knuckle bearing (51), and the indicating rod (3) penetrates through the angular contact knuckle bearing (51) and the adjusting nut (52).

3. The railway turnout indication rod device according to claim 2, wherein the fine adjustment assembly (5) further comprises a buckle shaft sleeve (53) and a non-buckle shaft sleeve (54), the buckle shaft sleeve (53) and the non-buckle shaft sleeve (54) are clamped and connected and are respectively sleeved on the indication rod (3), the angular contact knuckle bearing (51) is sleeved on the buckle shaft sleeve (53) and the non-buckle shaft sleeve (54), and the adjusting nut (52) is sleeved on the non-buckle shaft sleeve (54).

4. The railway switch indicating rod device as claimed in claim 2, wherein said adjusting nut (52) is provided with a perforated disc (521), said perforated disc (521) is provided with a plurality of positioning holes (5211), said joint member (2) is provided with a connecting hole (22), said connecting hole (22) is engaged with one of said plurality of positioning holes (5211) through a pin (56).

5. The railway turnout indication rod device according to claim 1, wherein the limiting structure (4) comprises a first limiting block (41) and a second limiting block (42) which are arranged at intervals, the first limiting block (41) is clamped on one side of the stock rail (100), the second limiting block (42) is clamped on the other side of the stock rail (100), limiting grooves (411) are arranged on the first limiting block (41) and the second limiting block (42), and the indication rod (3) is arranged in the limiting grooves (411) in a penetrating manner.

6. The railway switch indication rod device as claimed in claim 5, wherein said limit structure (4) further comprises a fastening assembly (43), one end of said fastening assembly (43) is connected with said first limit block (41) and the other end is connected with said second limit block (42).

7. The railway switch indication rod device as claimed in claim 6, wherein the fastening assembly (43) comprises a locking bolt (431), a first nut (432), a second nut (433) and a locking cover (434), one end of the locking bolt (431) penetrates through the first limiting block (41) and is connected with the first nut (432), the other end of the locking bolt (431) penetrates through the second limiting block (42) and is connected with the second nut (433), the locking cover (434) is sleeved on the locking bolt (431), a limiting pin (435) is arranged on the locking bolt (431), one side of the locking cover (434) is abutted against the first nut (432), and the other side of the locking cover (434) is abutted against the limiting pin (435).

8. The railway switch indication rod device as claimed in claim 1, wherein said connecting member (1) comprises a connecting portion (11) and a mounting portion (12) which are vertically connected, said connecting portion (11) being fixedly connected with said switch rail (200), said mounting portion (12) being provided with a step shaft (121), and one end of said joint member (2) being rotatably connected with said mounting portion (12) through said step shaft (121).

9. The railway switch indication rod device as claimed in claim 8, wherein an insulating plate (111) is interposed between the connection portion (11) and the tongue (200).

10. The railway switch indication rod apparatus as claimed in claim 8, wherein a sliding bearing (122) is provided between the step shaft (121) and the connecting member (1), a baffle (123) is provided at one end of the step shaft (121), and the baffle (123) is connected to the connecting member (1).

Technical Field

The invention relates to the field of railway equipment, in particular to a railway turnout indication rod device.

Background

Railway switch indicating rods are connecting rods between the switch machine and the point rails (point rails) for transmitting force and displacement for correct feedback of switch position. Before thawing in spring and entering winter, the turnout switch tongue crawls forwards and backwards due to large temperature change, and the turnout external locking equipment is easy to break down.

The prior railway turnout indication rod joint device has poor creeping adaptability to a switch rail, and the position change of the indication rod can be caused when the switch rail creeps greatly along the rail direction of a steel rail, so that the phenomenon of notch information abnormity or jamming is caused, and even the impact of a train wheel to the rail causes the fracture of the indication rod and the joint device.

Disclosure of Invention

In view of the above problems, it is an object of the present invention to provide a railway switch indication rod device which improves the adaptability of the indication rod to the forward and backward creeping of the tongue.

In order to achieve the purpose, the invention adopts the following technical scheme:

a railway switch indicating rod assembly comprising:

a connector configured to connect with a point rail on one side of a stock rail;

the connector piece is connected with the connecting piece in a rotating mode at one end;

a indicating rod connected to the other end of the joint member;

and the limiting structure is connected with the stock rail and is used for limiting the indicating rod along the length direction of the stock rail.

As a preferable aspect of the railway switch indication rod device of the present invention, the indication rod is connected to the joint member by a fine adjustment assembly, the fine adjustment assembly includes an angular contact knuckle bearing and an adjustment nut, the joint member is provided with a stepped hole, the angular contact knuckle bearing is disposed in the stepped hole, the adjustment nut is connected to the joint member and abuts against the angular contact knuckle bearing, and the indication rod penetrates through the angular contact knuckle bearing and the adjustment nut.

As a preferable scheme of the railway turnout indication rod device of the invention, the fine adjustment assembly further comprises a buckle shaft sleeve and a non-buckle shaft sleeve, the buckle shaft sleeve and the non-buckle shaft sleeve are clamped and connected and respectively sleeved on the indication rod, the angular contact knuckle bearing is sleeved on the buckle shaft sleeve and the non-buckle shaft sleeve, and the adjustment nut is sleeved on the non-buckle shaft sleeve.

As a preferable scheme of the railway turnout indication rod device, a disc with holes is arranged on the adjusting nut, a plurality of positioning holes are arranged on the disc with holes, and a connecting hole is arranged on the joint piece and is matched with one of the positioning holes through a pin shaft.

As a preferable scheme of the railway turnout indication rod device, the limiting structure comprises a first limiting block and a second limiting block which are arranged at intervals, the first limiting block is clamped on one side of the stock rail, the second limiting block is clamped on the other side of the stock rail, limiting grooves are formed in the first limiting block and the second limiting block, and the indication rod is arranged in the limiting grooves in a penetrating mode.

As a preferable scheme of the railway turnout indication rod device, the limiting structure further comprises a fastening assembly, one end of the fastening assembly is connected with the first limiting block, and the other end of the fastening assembly is connected with the second limiting block.

As a preferable scheme of the railway turnout indication rod device of the invention, the fastening assembly comprises a check bolt, a first nut, a second nut and a check cover, one end of the check bolt penetrates through the first limit block and is connected with the first nut, the other end of the check bolt penetrates through the second limit block and is connected with the second nut, the check cover is sleeved on the check bolt, a limit pin is arranged on the check bolt, one side of the check cover is attached to the first nut, and the other side of the check cover is attached to the limit pin.

As a preferable aspect of the railway switch indication rod apparatus of the present invention, the connecting member includes a connecting portion and a mounting portion that are vertically connected, the connecting portion is fixedly connected to the switch rail, the mounting portion is provided with a step shaft, and one end of the joint member is rotatably connected to the mounting portion through the step shaft.

In a preferable embodiment of the railway switch indication rod device according to the present invention, an insulating plate is interposed between the connection portion and the tongue.

As a preferable aspect of the railway switch indication rod device of the present invention, a sliding bearing is provided between the step shaft and the connecting member, and a baffle plate is provided at one end of the step shaft and connected to the connecting member.

The invention has the beneficial effects that:

the invention provides a railway switch indication rod device, a connecting piece is used for connecting with a switch rail at one side of a stock rail, one end of a connector piece is rotatably connected with the connecting piece, an indication rod is connected with the other end of the connector piece, meanwhile, a limit structure limits the indication rod along the length direction of the stock rail, when the switch rail crawls (deviates) back and forth along the length direction of the stock rail, the switch rail drives the connecting piece to move, the connector piece can adaptively rotate relative to the connecting piece, the indication rod can not deviate along the length direction of the stock rail under the limit action of the limit structure, and only deviates a small distance in the vertical direction, the change of a gap in a switch machine caused by the vertical swing of the indication rod is far smaller than the change of the gap in the switch machine caused by the horizontal swing of the indication rod, the fault of abnormal information and even jamming in the gap in the switch machine caused by the crawling of the switch rail can be solved, and the field fault, the adjustment period of the indicating gap is prolonged, the field maintenance workload is greatly reduced, and meanwhile, the active effects on the driving efficiency and the driving safety are achieved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is an isometric view of a railway switch indicating bar assembly in accordance with an embodiment of the present invention;

FIG. 2 is a front view of a railway switch indicating rod assembly provided in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a railway switch indicating rod assembly in accordance with an embodiment of the present invention;

figure 4 is an exploded view of the adapter member and trim assembly of a railway switch indicating bar assembly in accordance with an embodiment of the present invention.

In the figure:

1-a connector; 2-a joint piece; 3-represents a rod; 4-a limiting structure; 5-fine tuning the assembly;

11-a connecting portion; 111-an insulating plate; 12-a mounting portion; 121-step axis; 122-a slide bearing; 123-baffle plate;

21-a stepped bore; 22-connecting hole;

41-a first stopper; 411-a limiting groove; 42-a second stopper; 43-a fastening assembly;

431-lockbolt; 432-a first nut; 433-a second nut; 434-locking cover; 435-limit pin;

51-angular contact knuckle bearing; 52-adjusting the nut; 53-with buckle axle sleeve; 54-a buckle-free shaft sleeve; 55-a gasket;

56-pin shaft;

521-a perforated disc; 5211-locating holes; 522-grooved disc;

100-stock rail; 200-point rail.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the present embodiment provides a railway switch indication rod apparatus including a connecting member 1, a joint member 2, an indication rod 3 and a limit structure 4. Wherein the connecting member 1 is configured to be connected to the tongue rail 200 on one side of the stock rail 100, one end of the joint member 2 is rotatably connected to the connecting member 1, the indicating rod 3 is connected to the other end of the joint member 2, and the limit structure 4 is connected to the stock rail 100 for limiting the indicating rod 3 in the length direction of the stock rail 100. It should be noted that the end of the rod 3 remote from the joint element 2 is shown for connection to a switch machine.

The connecting piece 1 is used for connecting with a switch rail 200 on one side of a stock rail 100, one end of a connector piece 2 is rotatably connected with the connecting piece 1, a display rod 3 is connected with the other end of the connector piece 2, meanwhile, a limiting structure 4 limits the display rod 3 along the length direction of the stock rail 100, when the switch rail 200 crawls (deviates) back and forth along the length direction of the stock rail 100, the switch rail 200 drives the connecting piece 1 to move, the connector piece 2 can adaptively rotate relative to the connecting piece 1, the display rod 3 cannot deviate along the length direction of the stock rail 100 under the limiting action of the limiting structure 4, and only deviates a small distance in the vertical direction, the change of a gap in a switch machine caused by the vertical swing of the display rod 3 is far smaller than the change of the gap in the switch machine caused by the horizontal swing of the display rod 3, and the fault of abnormal and even jamming of the gap information in the switch machine caused by the crawling of the switch rail 200 can, the method is beneficial to reducing the field failure rate, prolonging the adjustment period of the indicating notch, and greatly reducing the field maintenance workload and playing a positive role in the driving efficiency and the driving safety.

Alternatively, the rod 3 is connected to the joint member 2 through the fine adjustment assembly 5, the fine adjustment assembly 5 includes an angular contact knuckle bearing 51 and an adjustment nut 52, the joint member 2 is provided with a stepped hole 21, the angular contact knuckle bearing 51 is arranged in the stepped hole 21, and the adjustment nut 52 is connected to the joint member 2 and abuts against the angular contact knuckle bearing 51, so that the rod 3 penetrates through the angular contact knuckle bearing 51 and the adjustment nut 52. Two angular contact spherical plain bearings 51 are provided, and are connected by a washer 55, one angular contact spherical plain bearing 51 is in contact with the inner end surface of the stepped hole 21, the other angular contact spherical plain bearing 51 is in contact with an adjustment nut 52, and the adjustment nut 52 is in threaded connection with the stepped hole 21.

Optionally, the fine adjustment assembly 5 further includes a fastening shaft sleeve 53 and a non-fastening shaft sleeve 54, the fastening shaft sleeve 53 is fastened to the non-fastening shaft sleeve 54 and respectively sleeved on the indication rod 3, the angular contact knuckle bearing 51 is sleeved on the fastening shaft sleeve 53 and the non-fastening shaft sleeve 54, and the adjustment nut 52 is sleeved on the non-fastening shaft sleeve 54. The shaft sleeve 53 with the buckle is connected with the indicating rod 3 through screw threads, and the shaft sleeve 53 with the buckle is meshed with the shaft sleeve 54 without the buckle to realize clamping. The sleeve 53 with the snap is threaded and the sleeve 54 without the snap is not threaded, requiring compression by a nut and anti-loosening by a nut.

Alternatively, the adjusting nut 52 is provided with a perforated disc 521, the perforated disc 521 is provided with a plurality of positioning holes 5211, the adapter 2 is provided with a connecting hole 22, and the connecting hole 22 is matched with one of the plurality of positioning holes 5211 through a pin 56. A plurality of positioning holes 5211 are uniformly arranged on the perforated disc 521 along the circumferential direction, one positioning hole 5211 is connected with the connecting hole 22 on the joint part 2 through a pin shaft 56, so that the anti-loosening function of the perforated disc 521 is realized, meanwhile, after the angular contact knuckle bearing 51 is worn, the adjusting nut 52 can be screwed, the positioning hole 5211 at a proper position is selected to be connected with the connecting hole 22 through the pin shaft 56, the fine adjustment of an assembly gap is realized, and the loosening is avoided. In the present embodiment, there are 24 positioning holes 5211, the adjustable angle of the adjusting nut 52 is 360 degrees divided by a multiple of 24, and when the thread pitch of the adjusting nut 52 is 2mm, the adjustment precision can reach 0.083 mm. The adjustment nut 52 is also provided with a slotted disk 522, and the slotted disk 522 is provided with a plurality of circumferentially oriented grooves for the application of force by a turning tool.

Optionally, the limiting structure 4 includes a first limiting block 41 and a second limiting block 42 that are arranged at an interval, the first limiting block 41 is clamped on one side of the stock rail 100, the second limiting block 42 is clamped on the other side of the stock rail 100, and both the first limiting block 41 and the second limiting block 42 are provided with a limiting groove 411, which means that the rod 3 is inserted into the limiting groove 411. The first limiting block 41 and the second limiting block 42 are both provided with a clamping groove, and the stock rail 100 is clamped between the clamping grooves of the first limiting block 41 and the second limiting block 42.

In order to prevent the first stopper 41 and the second stopper 42 from being loosened, optionally, the stopper structure 4 further includes a fastening assembly 43, one end of the fastening assembly 43 is connected to the first stopper 41, and the other end is connected to the second stopper 42. In order to ensure the insulation of the track, insulation is provided between the first stopper 41 and the second stopper 42 and the indication rod 3.

Optionally, the fastening assembly 43 includes a locking bolt 431, a first nut 432, a second nut 433, and a locking cover 434, one end of the locking bolt 431 penetrates through the first limiting block 41 and is connected to the first nut 432, the other end of the locking bolt 431 penetrates through the second limiting block 42 and is connected to the second nut 433, the locking cover 434 is sleeved on the locking bolt 431, a limiting pin 435 is disposed on the locking bolt 431, one side of the locking cover 434 abuts against the first nut 432, and the other side abuts against the limiting pin 435. Through setting up locking lid 434 and spacer pin 435, can prevent effectively that first nut 432 from becoming flexible, second nut 433 can be the nut part of check bolt 431.

Alternatively, the coupler 1 includes a coupling portion 11 and a mounting portion 12 that are vertically connected, the coupling portion 11 is fixedly connected to the point rail 200, the mounting portion 12 is provided with a step shaft 121, and one end of the coupler 2 is rotatably connected to the mounting portion 12 through the step shaft 121. By the connecting portion 11 and the mounting portion 12 which are vertically connected, a swing space of the socket 2 is provided. The diameter of the end portion of the step shaft 121 is smaller than that of the middle portion, and is bilaterally symmetrical. The middle part of the step shaft 121 is in interference fit with the U-shaped groove of the joint piece 2, so that the step shaft 121 and the joint piece 2 can be approximately of an integral structure, the gap is eliminated, and the assembly precision is improved.

To ensure rail insulation, an insulating plate 111 is optionally sandwiched between the connecting portion 11 and the point rail 200. In addition to the insulating plate 111, corresponding further insulation measures are taken, for example, the bolts for connecting the point rail 200 to the connecting part 11 are sheathed with insulating tubes.

In order to facilitate smooth rotation of the connecting member 1, optionally, a sliding bearing 122 is disposed between the step shaft 121 and the connecting member 1, and a baffle 123 is disposed at one end of the step shaft 121, and the baffle 123 is connected to the connecting member 1. The middle part of the step shaft 121 is used for installing the joint piece 2, and the end part of the step shaft 121 is in clearance fit with the sliding bearing 122. In order to reduce the swing amplitude of the joint element 2, on the one hand, the shaft hole clearance should be controlled, and on the other hand, a reasonable length of the step shaft 121 should be set. The length of the step shaft 121 may be set to be longer as appropriate.

In the railroad switch indication rod device provided by this embodiment, the connecting member 1 is used for connecting with the switch rail 200 on one side of the stock rail 100, one end of the connector 2 is rotatably connected with the connecting member 1, the indication rod 3 is connected with the other end of the connector 2, meanwhile, the limit structure 4 limits the indication rod 3 along the length direction of the stock rail 100, when the switch rail 200 crawls (deviates) back and forth along the length direction of the stock rail 100, the switch rail 200 drives the connecting member 1 to move, the connector 2 can adaptively rotate relative to the connecting member 1, the indication rod 3 cannot deviate along the length direction of the stock rail 100 under the limit action of the limit structure 4, and only deviates a small distance in the vertical direction, the change of the gap in the switch machine caused by the vertical swing of the indication rod 3 is far smaller than the change of the gap in the switch machine caused by the horizontal swing of the indication rod 3, and the problem of the abnormal gap information in the switch machine and even the jamming generated by the crawling of the switch rail 200, the method is beneficial to reducing the field failure rate, prolonging the adjustment period of the indicating notch, and greatly reducing the field maintenance workload and playing a positive role in the driving efficiency and the driving safety.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.