阅读说明：本技术 一种桥梁荷载试验检测的辅助装置 (Auxiliary device for bridge load test detection ) 是由 施雄强 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种桥梁荷载试验检测的辅助装置,涉及桥梁材料的荷载检测技术领域,包括基座,所述基座的上方依次设置有U型安装架及固定架,所述U型安装架通过间隔安装在基座上的两根支撑柱进行固定悬置,所述U型安装架内通过摆斜机构连接有连接块,所述连接块背对U型安装架的一侧安装有夹紧机构,所述固定架的底部对称安装有两个滑动块。本发明一方面可以对裁取的钢筋混凝土块的摆置角度进行灵活调整,方便取得各个角度的裁取的钢筋混凝土块的检测数据,并且配合固定架的顺序移动,能实现对裁取的钢筋混凝土块表面的逐级检测,之后调动裁取的钢筋混凝土块即可实现对钢筋混凝土块的全面检测数据获取,实用可靠,适宜推广。(The invention discloses an auxiliary device for bridge load test detection, which relates to the technical field of load detection of bridge materials and comprises a base, wherein a U-shaped mounting frame and a fixing frame are sequentially arranged above the base, the U-shaped mounting frame is fixedly suspended through two supporting columns which are installed on the base at intervals, a connecting block is connected in the U-shaped mounting frame through a tilting mechanism, a clamping mechanism is installed on one side, back to the U-shaped mounting frame, of the connecting block, and two sliding blocks are symmetrically installed at the bottom of the fixing frame. On one hand, the arrangement angle of the cut reinforced concrete blocks can be flexibly adjusted, the detection data of the cut reinforced concrete blocks at all angles can be conveniently obtained, the surfaces of the cut reinforced concrete blocks can be detected step by matching with the sequential movement of the fixing frame, and then the cut reinforced concrete blocks are transferred to realize the comprehensive detection data acquisition of the reinforced concrete blocks.)

1. The auxiliary device for bridge load test detection comprises a base (1) and is characterized in that a U-shaped mounting rack (3) and a fixing rack (4) are sequentially arranged above the base (1), the U-shaped mounting rack (3) is fixedly suspended through two supporting columns (2) which are installed on the base (1) at intervals, a connecting block (9) is connected into the U-shaped mounting rack (3) through a tilting mechanism, a clamping mechanism is installed on one side, back to the U-shaped mounting rack (3), of the connecting block (9), two sliding blocks (28) are symmetrically installed at the bottom of the fixing rack (4), two guide rails (19) for the two sliding blocks (28) to be slidably installed are sequentially arranged on the top surface of the base (1), and a reciprocating mechanism matched with the two sliding blocks (28) is installed on the base (1); the lifting device is characterized in that a lifting seat (20) is arranged in the fixed frame (4), a plurality of data detection probes (22) are arranged on the top surface of the lifting seat (20) at intervals, an electric cabinet (21) electrically connected with the data detection probes (22) is installed on the bottom side of the lifting seat (20), and a lifting reset mechanism matched with the lifting seat (20) is installed on the side surface of the fixed frame (4).

2. The auxiliary device for bridge load test detection according to claim 1, wherein the tilting mechanism comprises a fixed shaft rod (14) fixedly arranged at one end of the U-shaped mounting frame (3) far away from the supporting column (2), a roller (13) is rotatably sleeved outside the fixed shaft rod (14), one side of the connecting block (9) close to the supporting column (2) is fixedly connected with the outer surface of the roller (13), two connecting columns (15) are symmetrically fixed outside the roller (13), a sliding rod (16) is fixedly mounted at one end of each of the two connecting columns (15) far away from the roller (13), a sliding ring (17) is sleeved outside the sliding rod (16) in a sliding manner, and a driving part matched with the sliding ring (17) is mounted on the U-shaped mounting frame (3).

3. The auxiliary device for bridge load test detection according to claim 2, wherein the driving part comprises a driving motor (7) fixed on the side of the U-shaped mounting frame (3), an output shaft of the driving motor (7) penetrates through the side of the U-shaped mounting frame (3) and is fixedly connected with a rotary table (12), one side of the rotary table (12) close to the roller (13) is rotatably connected with a pin shaft (18), and one end of the pin shaft (18) far away from the driving motor (7) is fixedly connected outside the slip ring (17).

4. The auxiliary device for bridge load test detection according to claim 2, wherein the clamping mechanism comprises a fixed clamping seat (8) fixed on an end surface of the connecting block (9) opposite to the roller (13), a movable clamping seat (10) is movably arranged on the fixed clamping seat (8), and a plurality of locking bolts (11) are arranged on the movable clamping seat (10) at intervals.

5. The auxiliary device for bridge load test detection according to claim 1, wherein the lifting and resetting mechanism comprises two bearing seats (26) which are sequentially mounted on the side surface of the fixing frame (4) from top to bottom, a screw rod (24) is vertically mounted between the two bearing seats (26), a vertical opening (27) is formed in one side, close to the screw rod (24), of the fixing frame (4), a protruding block (23) is inserted into the vertical opening (27) and is connected with the protruding block in a sliding mode, one end of the protruding block (23) penetrates through the vertical opening (27) and then extends into the fixing frame (4) to be fixedly connected with the end face of the lifting seat (20), a screw hole is formed in one end, extending out of the fixing frame (4), of the protruding block (23), the screw rod (24) is inserted into the screw hole and is connected with the screw thread, and a second bevel gear (25) is fixedly mounted at the tail end of the screw rod (24).

6. The auxiliary device for bridge load test detection according to claim 5, wherein a servo motor (5) is mounted on the base (1), a first bevel gear (6) is fixedly mounted on an output shaft of the servo motor (5), and the first bevel gear (6) is in meshed connection with a second bevel gear (25).

7. The bridge load test detection auxiliary device according to claim 1, wherein the reciprocating mechanism comprises a connecting piece (29) which is fixed between two sliding blocks (28) and is arranged transversely and straightly, a limiting narrow opening (33) is formed in the connecting piece (29), a guide pin (34) which is vertically arranged is movably inserted in the limiting narrow opening (33), and a belt moving component which is matched with the guide pin (34) is installed on the base (1).

8. The auxiliary device for detecting the bridge load test according to claim 7, wherein the belt moving component comprises two guide pillars (31) rotatably inserted on the base (1), the top ends of the two guide pillars (31) are fixedly sleeved with the transmission chain wheels (30), the two transmission chain wheels (30) are in transmission connection through the transmission chain (32), the transmission chain (32) is externally provided with a fixed chassis (35), and the bottom ends of the guide pins (34) are fixed with the fixed chassis (35).

9. The auxiliary device for bridge load test detection according to claim 8, wherein a low-speed motor is installed on the bottom side of the base (1), and an output shaft of the low-speed motor is fixedly connected with the bottom end of the guide pillar (31) close to the U-shaped mounting frame (3) through a coupler.

10. The auxiliary device for bridge load test detection according to claim 5, wherein bearings are arranged in the bearing seats (26), and inner rings of the bearings are fixedly connected with outer walls of the screw rods (24).

Technical Field

The invention relates to the technical field of load detection of bridge materials, in particular to an auxiliary device for bridge load test detection.

Background

This is a historical leap from the utilization of natural bridges to artificial bridges. From simple monolithic bridges to today's steel bridges; from a single beam bridge to a floating bridge, a rope bridge, an arch bridge, a garden bridge, a gallery road bridge, a fiber road bridge, etc.; the materials for building bridges are mainly wood, stone and steel and reinforced concrete, which is a very long development process. However, Chinese bridge construction has achieved tremendous success. In the 30 s of the 20 th century, the sequential appearance of prestressed concrete and high-strength steel, the research on the plastic theory and the limit theory of materials, the research on bridge vibration and aerodynamics, the research on soil mechanics and the like have made great progress. Therefore, scientific basis is provided for saving bridge building materials, reducing bridge weight, predicting foundation sinking depth and determining bearing capacity of the foundation. Modern bridges can be divided into prestressed reinforced concrete bridges, reinforced concrete bridges and steel bridges according to the bridge building materials.

The prestressed reinforced concrete bridge goes to the current reinforced concrete piece that needs to equal design parameter and carries out the bearing capacity and detect before actual construction, but present detection mostly can only gather the local data of reinforced concrete piece, lacks complete, comprehensive detection and collection, has very big limitation.

Disclosure of Invention

The invention aims to solve the problems that most detection operations in the prior art can only collect local data of a reinforced concrete block and are lack of complete and comprehensive detection and collection, and provides an auxiliary device for bridge load test detection.

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

an auxiliary device for bridge load test detection comprises a base, wherein a U-shaped mounting frame and a fixing frame are sequentially arranged above the base, the U-shaped mounting frame is fixedly suspended through two supporting columns which are installed on the base at intervals, a connecting block is connected in the U-shaped mounting frame through a tilting mechanism, a clamping mechanism is installed on one side, back to the U-shaped mounting frame, of the connecting block, two sliding blocks are symmetrically installed at the bottom of the fixing frame, two guide rails for the sliding installation of the two sliding blocks respectively are sequentially arranged on the top surface of the base, and a reciprocating mechanism matched with the two sliding blocks is installed on the base; the lifting device is characterized in that a lifting seat is arranged in the fixed frame, a plurality of data detection probes are arranged on the top surface of the lifting seat at intervals, an electric cabinet electrically connected with the data detection probes is installed on the bottom side of the lifting seat, and a lifting reset mechanism matched with the lifting seat is installed on the side surface of the fixed frame.

Preferably, the tilting mechanism comprises a fixed shaft fixed on the U-shaped mounting frame and far away from one end of the supporting column, the fixed shaft is sleeved with a roller in a rotating mode, one side, close to the supporting column, of the connecting block is fixedly connected with the outer surface of the roller, two connecting columns are symmetrically fixed outside the roller, a sliding rod is fixedly mounted at one end, far away from the roller, of each connecting column, a sliding ring is sleeved outside the sliding rod in a sliding mode, and a driving part matched with the sliding ring is mounted on the U-shaped mounting frame.

Preferably, the driving part comprises a driving motor fixed on the side edge of the U-shaped mounting frame, an output shaft of the driving motor penetrates through a turntable fixedly connected to the rear of the side edge of the U-shaped mounting frame, one side, close to the roller, of the turntable is rotatably connected with a pin shaft, and one end, far away from the driving motor, of the pin shaft is fixedly connected to the outside of the sliding ring.

Preferably, the clamping mechanism comprises a fixed clamping seat fixed on the end face of the connecting block back to the roller, a movable clamping seat is movably arranged on the fixed clamping seat, and a plurality of locking bolts are arranged on the movable clamping seat at intervals.

Preferably, the area rises canceling release mechanical system and includes that two bearing frames of installing in the mount side from top to bottom in proper order, two the vertical screw rod of installing between the bearing frame, the mount is close to one side of screw rod and has seted up perpendicular mouthful, insert in the perpendicular mouth and establish and sliding connection has the lug, the one end of lug passes and stretches into in the mount after perpendicular mouthful and links to each other with the fixed end face of lift seat is fixed, the lug stretches out the outer one end of mount and has seted up the screw, the screw rod is inserted and is established and threaded connection in the screw, the terminal fixed mounting of screw rod has the second bevel gear.

Preferably, a servo motor is mounted on the base, a first bevel gear is fixedly mounted on an output shaft of the servo motor, and the first bevel gear is in meshed connection with a second bevel gear.

Preferably, the reciprocating mechanism comprises a connecting piece which is fixed between the two sliding blocks and transversely and vertically arranged, a limiting narrow opening is formed in the connecting piece, a vertically arranged guide pin is movably inserted in the limiting narrow opening, and a belt moving part matched with the guide pin is installed on the base.

Preferably, the belt moving part comprises two guide pillars which are rotatably inserted on the base, the top ends of the two guide pillars are fixedly sleeved with transmission chain wheels, the two transmission chain wheels are in transmission connection through a transmission chain, a fixed chassis is installed outside the transmission chain, and the bottom ends of the guide pins are fixed with the fixed chassis.

Preferably, a low-speed motor is installed on the bottom side of the base, and an output shaft of the low-speed motor is fixedly connected with the bottom end of the guide pillar close to the U-shaped mounting frame through a coupler.

Preferably, the bearing seats are internally provided with bearings, and the inner rings of the bearings are fixedly connected with the outer walls of the screws.

Compared with the prior art, the invention has the following advantages:

1. the invention realizes the clamping of the cut reinforced concrete block by screwing the locking bolt through the movable clamping seat and the fixed clamping seat.

2. The driving motor works to drive the turntable to rotate so as to realize the change of the direction of the pin shaft, the fixed shaft rod is inserted into the roller to enable the roller to swing and rotate around the axial lead of the fixed shaft rod in a reciprocating manner, and thus, the arrangement angle of the reinforced concrete block can be adjusted.

3. The low-speed motor drives the guide post to rotate so as to drive the transmission chain to rotate, the fixed chassis and the guide pin are synchronously driven, and the reciprocating sliding action of the connecting piece can be realized through the limit and abutting cooperation of the guide pin and the limit narrow opening on the connecting piece.

In summary, the present invention can flexibly adjust the placing angle of the cut reinforced concrete blocks, conveniently obtain the detection data of the cut reinforced concrete blocks at each angle, and can realize the step-by-step detection of the surfaces of the cut reinforced concrete blocks by matching with the sequential movement of the fixing frame, and then the cut reinforced concrete blocks are moved to realize the comprehensive detection data acquisition of the reinforced concrete blocks, which is practical and reliable.

Drawings

FIG. 1 is a schematic perspective view of an auxiliary device for bridge load test detection according to the present invention;

FIG. 2 is a schematic structural view of a U-shaped mounting rack of an auxiliary device for bridge load test detection according to the present invention;

FIG. 3 is an enlarged view of the principal structure of FIG. 2;

FIG. 4 is a schematic structural view of a fixing frame of an auxiliary device for bridge load test detection according to the present invention;

FIG. 5 is a schematic structural diagram of a base of an auxiliary device for testing bridge loads according to the present invention;

FIG. 6 is a schematic structural view of a reciprocating mechanism in a base of an auxiliary device for testing and detecting bridge loads according to the present invention;

fig. 7 is an enlarged view of the main structure of fig. 6.

In the figure:

1 base, 2 supporting columns, 3U-shaped mounting racks, 4 fixing racks, 5 servo motors, 6 first bevel gears, 7 driving motors, 8 fixing clamp seats, 9 connecting blocks, 10 movable clamp seats,

11 locking bolts, 12 turntables, 13 rollers, 14 fixed shaft rods, 15 connecting columns, 16 sliding rods, 17 sliding rings, 18 pin shafts, 19 guide rails, 20 lifting seats,

21 electric control box, 22 data detecting probe, 23 convex block, 24 screw, 25 second bevel gear, 26 bearing seat, 27 vertical port, 28 sliding block, 29 connecting piece, 30 driving chain wheel,

31 guide posts, 32 transmission chains, 33 limiting narrow openings, 34 guide pins and 35 fixing the chassis.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-7, in the embodiment of the invention, an auxiliary device for bridge load test detection comprises a base 1, a U-shaped mounting frame 3 and a fixing frame 4 are sequentially arranged above the base 1, the U-shaped mounting frame 3 is fixedly suspended by two supporting columns 2 which are installed on the base 1 at intervals, a connecting block 9 is connected in the U-shaped mounting frame 3 through a tilting mechanism, a clamping mechanism is installed on one side of the connecting block 9, which is back to the U-shaped mounting frame 3, two sliding blocks 28 are symmetrically installed at the bottom of the fixing frame 4, two guide rails 19 which are respectively used for slidably installing the two sliding blocks 28 are sequentially arranged on the top surface of the base 1, and a reciprocating mechanism which is matched with the two sliding blocks 28 is installed on the base 1; the lifting seat 20 is arranged in the fixed frame 4, the plurality of data detection probes 22 are arranged on the top surface of the lifting seat 20 at intervals, the electric cabinet 21 electrically connected with the plurality of data detection probes 22 is installed on the bottom side of the lifting seat 20, and the lifting reset mechanism matched with the lifting seat 20 is installed on the side surface of the fixed frame 4.

The tilting mechanism comprises a fixed shaft lever 14 fixed on one end of a U-shaped mounting frame 3 far away from a supporting column 2, a roller 13 is rotatably sleeved outside the fixed shaft lever 14, one side of a connecting block 9 close to the supporting column 2 is fixedly connected with the outer surface of the roller 13, two connecting columns 15 are symmetrically fixed outside the roller 13, a sliding rod 16 is fixedly mounted on one ends of the two connecting columns 15 far away from the roller 13 together, a sliding ring 17 is sleeved outside the sliding rod 16 in a sliding manner, a driving part matched with the sliding ring 17 is mounted on the U-shaped mounting frame 3 and comprises a driving motor 7 fixed on the side of the U-shaped mounting frame 3, a turntable 12 is fixedly connected after an output shaft of the driving motor 7 penetrates through the side of the U-shaped mounting frame 3, a pin shaft 18 is rotatably connected on one side of the turntable 12 close to the roller 13, one end of the pin shaft 18 far away from the driving motor 7 is fixedly connected outside the sliding ring 17, and the driving motor 7 drives the turntable 12 to rotate so as to realize the change of the position of the pin shaft 18, the fixed shaft lever 14 penetrates through the roller 13 to enable the roller 13 to swing around the axial lead of the fixed shaft lever 14 in a reciprocating manner, so that the arrangement angle of the reinforced concrete block can be adjusted.

The belt lifting reset mechanism comprises two bearing blocks 26 which are sequentially arranged on the side surface of a fixed frame 4 from top to bottom, a screw 24 is vertically arranged between the two bearing blocks 26, bearings are arranged in the bearing blocks 26, the inner ring of each bearing is fixedly connected with the outer wall of the corresponding screw 24, one side, close to the corresponding screw 24, of the fixed frame 4 is provided with a vertical opening 27, a protruding block 23 is inserted into the vertical opening 27 and is connected with the vertical opening 27 in a sliding mode, one end of the protruding block 23 penetrates through the vertical opening 27 and then extends into the fixed frame 4 to be fixedly connected with the end surface of a lifting seat 20, one end, extending out of the fixed frame 4, of the protruding block 23 is provided with a screw hole, the screw 24 is inserted into the screw hole and is connected with the screw through threads, the tail end of the screw 24 is fixedly provided with a second bevel gear 25, a servo motor 5 is arranged on a base 1, a first bevel gear 6 is fixedly arranged on an output shaft of the servo motor 5, and the first bevel gear 6 is meshed with the second bevel gear 25.

The reciprocating mechanism comprises a connecting sheet 29 which is fixed between two sliding blocks 28 and transversely and straightly arranged, a limit narrow opening 33 is arranged on the connecting sheet 29, a guide pin 34 which is vertically arranged is movably inserted in the limit narrow opening 33, a belt moving part matched with the guide pin 34 is arranged on the base 1, the belt moving part comprises two guide posts 31 which are rotatably inserted on the base 1, the top ends of the two guide posts 31 are fixedly sleeved with a transmission chain wheel 30, the two transmission chain wheels 30 are in transmission connection through a transmission chain 32, a fixed chassis 35 is arranged outside the transmission chain 32, the bottom end of the guide pin 34 is fixed with the fixed chassis 35, the bottom side of the base 1 is provided with a low-speed motor, the output shaft of the low-speed motor is fixedly connected with the bottom ends of the guide posts 31 close to the U-shaped mounting frame 3 through a coupler, the low-speed motor drives the guide posts 31 to rotate so as to realize the driving of the transmission chain 32, and the fixed chassis 35 and the guide pin 34 are synchronously driven, the reciprocating sliding action of the connecting piece 29 can be realized through the limit abutting fit of the guide pin 34 and the limit narrow opening 33 on the connecting piece 29.

The specific detailed working process is as follows: the driving motor 7 works to drive the rotary table 12 to rotate so as to realize the change of the direction of the pin shaft 18, the fixed shaft lever 14 penetrates through the roller 13 to enable the roller 13 to swing around the axial lead of the fixed shaft lever 14 in a reciprocating manner, and thus the arrangement angle of the reinforced concrete block can be adjusted; the low-speed motor drives the guide post 31 to rotate so as to drive the transmission chain 32 to rotate, the fixed chassis 35 and the guide pin 34 are synchronously driven, and the reciprocating sliding action of the connecting sheet 29 can be realized through the limit abutting matching of the guide pin 34 and the limiting narrow opening 33 on the connecting sheet 29; can put the angle to putting of the reinforced concrete piece of cutting out like this on the one hand and carry out nimble adjustment, conveniently gain the detection data of the reinforced concrete piece of cutting out of each angle to the order of cooperation mount 4 removes, can realize detecting step by step of the reinforced concrete piece surface of cutting out, later the reinforced concrete piece of transferring the cutting out can realize acquireing the comprehensive detection data of reinforced concrete piece, and is practical reliable, suitable popularization.

Example 2

This example differs from example 1 in that: clamping mechanism is including fixing the fixed holder 8 on connecting block 9 back to cylinder 13 terminal surface, and the activity is provided with on the fixed holder 8 moves holder 10, moves holder 10 and goes up the interval and be provided with a plurality of locking bolt 11, and the locking bolt 11 of screwing realizes the centre gripping to the reinforced concrete piece of cutting out through moving holder 10 and fixed holder 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.