CN214622029U

CN214622029U - Bridge railing strength test device

Info

Publication number: CN214622029U
Application number: CN202120848134.4U
Authority: CN
Inventors: 桂鑫; 裴庆红
Original assignee: Jiangxi Gan'ewan Road And Bridge Investment Co ltd
Current assignee: Jiangxi Gan'ewan Road And Bridge Investment Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-05
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a bridge railing strength test device, belong to railing strength test field, its technical scheme main points are, including testing arrangement, electric telescopic handle, two-way synchronous machine, this bridge railing strength test device, it rises with the pressure piece of clamp plate to drive rotation axis through two-way motor and rotate, the motion through the free fall falls down the gravity piece afterwards, make the tight railing of clamping device clamp suffer the impact, the effect of simulation impact, detect out the impact force that bears of railing, electric telescopic handle drives to step up the device and gets the railing with different angle clamps in addition, then strike by the pressure piece, can detect the simulation and measure the effect that different angle railings received the impact. The two-way synchronous motor can be started one at first and then started one at a time, so that the pressure blocks form a certain angle, and the angle during impact is simulated, and the effect of more data can be detected.

Description

Bridge railing strength test device

Technical Field

The utility model relates to a railing strength test field, in particular to bridge railing strength test device.

Background

The bridge railing is a guardrail arranged on a bridge, the railing can prevent an empty vehicle from crossing the bridge, the railing has the functions of stopping and preventing the empty vehicle from falling, the effect that the vehicle has a second accident after the first accident is generated is reduced, the risk of the vehicle in the out-of-control state is greatly reduced, and the safety of a driver and a passenger is ensured.

Because the intensity of bridge railing is different, the railing also is different to the effect of blocking of vehicle, will carry out the striking test of different intensity to the railing usually when producing the railing and arranging the railing, does not simulate out the effect that the railing received the impact in present testing arrangement, can't know the impact dynamics that the railing can bear at all, can't accurate effectual judgement the data after the railing strikes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

This bridge railing strength test device drives the rotation axis through two-way motor and rotates the pressure piece that drives the take-up reel on with the clamp plate and rise, the motion through the free fall falls the gravity piece afterwards, make the tight railing of clamping device clamp suffer the impact, the effect of simulation impact, detect out the impact force degree that bears of railing, electric telescopic handle drives in addition and steps up the device and gets the railing with different angle clamps with the railing, then strike by the pressure piece again, can detect the simulation and measure the effect that different angle railings received the impact.

(II) technical scheme

The above technical purpose of the present invention can be achieved by the following technical solutions: a bridge railing strength test device: comprises a testing device, an electric telescopic rod and a bidirectional synchronous motor, wherein the testing device is provided with a testing area, a first sliding groove is arranged around the test area, a second sliding groove is arranged at the position of the first sliding groove close to the test area, a second sliding block is arranged in the second sliding groove, the bottom of the second sliding block is connected with a spring, an electric telescopic rod is arranged at the bottom of the first sliding groove, a first sliding block is arranged in the first sliding groove, the bottom of the first sliding block is connected with an electric telescopic rod, the first sliding block is connected with a bearing, the bottom of the bearing is movably connected with a connecting rod, the connecting rod is movably connected with the second sliding block, the first sliding block is movably connected with a clamping device, the clamping device is provided with a third sliding chute, a bidirectional threaded rod and two clamping blocks are arranged in the third sliding chute, the clamping blocks are provided with threaded holes, and the bidirectional threaded rod is connected with the clamping blocks through the threaded holes;

the first spout top is equipped with the sliding shaft, the sliding shaft is connected with the connecting rod, the connecting rod is connected with the pressure piece, first spout top still is equipped with the take-up reel, the take-up reel is coiled there is the steel cable, steel cable connection has the sliding shaft, the take-up reel is connected with the rotation axis, the rotation axis intermediate connection has two-way synchronous machine.

Furthermore, both ends of the connecting rod are provided with movable hinges and are respectively connected with the second sliding block and the bottom of the bearing.

Further, the bidirectional synchronous motor is installed on the bracket.

Furthermore, a limiting block is arranged between the winding roll and the sliding shaft, and a through hole for passing through a steel rope is formed in the middle of the limiting block.

Further, the testing device bottom is the pedestal, the pedestal is equipped with the recess.

Furthermore, the clamping blocks are provided with convex blocks for limiting the railings, and the convex blocks are arranged symmetrically in pairs.

Further, the top of the bidirectional threaded rod is connected with a knob.

Furthermore, an electromagnetic lock is arranged beside the winding roll, and first grooves with inclined surfaces 32 are formed in two end faces of the winding roll.

(III) advantageous effects

To sum up, the utility model discloses following beneficial effect has:

1. this bridge railing strength test device drives the rotation axis through two-way motor and rotates the pressure piece that drives the take-up reel on with the clamp plate and rise, the motion through the free fall falls the gravity piece afterwards, make the tight railing of clamping device clamp suffer the impact, the effect of simulation impact, detect out the impact force degree that bears of railing, electric telescopic handle drives in addition and steps up the device and gets the railing with different angle clamps with the railing, then strike by the pressure piece again, can detect the simulation and measure the effect that different angle railings received the impact.

2. This bridge railing intensity testing arrangement, two-way synchronous machine can start one earlier, starts one afterwards for pressure piece becomes certain angle, angle when the simulation is strikeed, the effect of more data of detectable.

3. This bridge railing intensity testing arrangement, connecting rod swing joint's second slider, the spring of bottom connection makes the impact force to the effect of offsetting, in order to protect the effect of clamping device.

4. This bridge railing intensity testing arrangement, the effect at the railing edge of the tight piece clamp of different diameters size can be pressed from both sides to the two-way threaded rod in the third spout, the effect of the railing of adaptable different specifications.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a bottom structure view of the first chute of the present invention;

FIG. 3 is a top view of the structure of the present invention;

FIG. 4 is an enlarged view of A of FIG. 2;

FIG. 5 is a side view of the winding roll of the present invention;

in the figure: 1. a testing device; 2. an electric telescopic rod; 3. a bidirectional synchronous motor; 4. a test zone; 5. a first chute; 6. a second chute; 7. a second slider; 8. a spring; 9. a first slider; 10. a bearing; 11. a connecting rod; 12. a clamping device; 13. a third chute; 14. a bidirectional threaded rod; 15. a clamping block; 16. a threaded hole; 17. a sliding shaft; 18. a connecting rod; 19. a pressure block; 20. a take-up reel; 21. a steel cord; 22. a rotating shaft; 23. a living hinge; 24. a support; 25. a limiting block; 26. a through hole; 27. a pedestal; 28. a groove; 29. a bump; 30. a hinge; 31. an electromagnetic lock; 32. a bevel; 33. and a first groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a bridge railing strength testing device includes a testing device 1, an electric telescopic rod 2, a bidirectional synchronous motor 3, and is characterized in that: the testing device 1 is provided with a testing area 4, first sliding grooves 5 are arranged on the periphery of the testing area 4, second sliding grooves 6 are arranged on the side faces of the first sliding grooves 5, second sliding blocks 7 are arranged in the second sliding grooves 6, the bottoms of the second sliding blocks 7 are connected with springs 8, electric telescopic rods 2 are arranged at the bottoms of the first sliding grooves 5, first sliding blocks 9 are arranged in the first sliding grooves 5, the bottoms of the first sliding blocks 9 are connected with the electric telescopic rods 2, the first sliding blocks 9 are connected with bearings 10, the bottoms of the bearings 10 are movably connected with connecting rods 11, the connecting rods 11 are movably connected with the second sliding blocks 7, the first sliding blocks 9 are movably connected with clamping devices 12, the clamping devices 12 are provided with third sliding grooves 13, bidirectional threaded rods 14 and two clamping blocks 15 are arranged in the third sliding grooves 13, the clamping blocks 15 are provided with threaded holes 16, and the bidirectional threaded rods 14 are connected with the clamping blocks 15 through the threaded holes 16;

the top of the first sliding chute 5 is provided with a sliding shaft 17, the sliding shaft 17 is connected with a connecting rod 18, the connecting rod 18 is connected with a pressure block 19, the top of the first sliding chute 5 is also provided with a winding roll 20, the winding roll 20 is wound with a steel rope 21, the steel rope 21 is connected with the sliding shaft 17, the winding roll 20 is connected with a rotating shaft 22, and the middle of the rotating shaft is connected with the bidirectional synchronous motor 3.

According to the technical characteristics, the testing device 1 is provided with a testing area 4, the periphery of the testing area 4 is provided with first sliding grooves 5, the bottom of each first sliding groove 5 is provided with an electric telescopic rod 2, the electric telescopic rod 2 is connected with a first sliding block 9, the first sliding block 9 is connected with a clamping device 12, the clamping device 12 can be used for clamping handrails, the clamping device 12 is provided with a third sliding groove 13, the third sliding groove is provided with clamping blocks 15, the clamping blocks 15 are provided with threaded holes 16, the two clamping blocks 15 are symmetrically arranged up and down, the threaded holes 16 are connected with a bidirectional threaded rod 14, the bidirectional threaded rod 14 is a threaded rod 14 with two ends provided with threads, the threads are opposite to each other, when the clamping blocks 15 rotate clockwise, the two clamping blocks move in opposite directions, so that the clamping device 12 can properly adjust the displacement effect of the clamping blocks 15 according to handrails with different diameters, the first sliding block 9 is provided with a bearing 10, the first sliding block 9 is connected with the clamping device 12 through a hinge 30, the bottom of an effect bearing 10 which can rotate up and down of the clamping device 12 is connected with a connecting rod 11 through a movable hinge 23, the other end of the connecting rod 11 is also connected with a second sliding block 7 through the movable hinge 23, the second sliding block 7 is installed in a second sliding chute 6, the second sliding chute 6 is installed beside a first sliding chute 5, the bottom of the second sliding chute 6 is provided with a spring 8, the spring 8 is connected with the bottom of the second sliding block 7, the spring 8 can be used for buffering the clamping device 12 and offsetting the impact force brought by the free falling body of a pressure block 19 arranged above, the top of the pressure block 19 is supported by a connecting rod 18, the connecting rod 18 is connected with a sliding shaft 17, the sliding shaft 17 is installed at the top of the first sliding chute 5, the top of the first sliding chute 5 is also provided with a winding disc 20, an electromagnetic lock 31 is arranged beside the winding disc 20, the electromagnetic lock 31 is the existing conventional technology model number of DSN-JZ, the electromagnetic lock 31 is controlled by electric power, a groove I33 on the winding roll 20 can be clamped or not rotated, and the periphery of the groove I33 is provided with an inclined plane 32, so that a lock cylinder of the electromagnetic lock 31 is easily clamped into the groove I33, a steel rope 21 is wound on the winding roll 20, the steel rope 21 is connected with a sliding shaft 17, the winding roll 20 is connected with a rotating shaft 22, the rotating shaft 22 is connected with a bidirectional synchronous motor 3, the bidirectional synchronous motor 3 rotates to drive the rotating shaft 22 to drive the winding roll 20 to receive and release the steel rope 21, the bidirectional synchronous motor 3 can rotate in the forward and reverse directions, the high-power rotation and the low-power rotation can be realized, the sliding shaft 17 is lifted by the low power, the sliding shaft can be rapidly fallen by the high-power reverse rotation, if the device is not started, the low-power rotation of the bidirectional synchronous motor 3 can be fallen down, the pressure block 19 can be placed in the groove 28 of the table 27, and the bidirectional threaded rod 14 with a knob is rotated to open the clamping block 15 to clamp the railing into the clamping block 15 and then reversely rotate the bidirectional threaded block 15 during test The railing is fixed by the rod 14, and values to be measured, such as impact strength, can be measured by arranging a sensor on the railing.

Wherein, the clamp 15 is provided with a bump 29 for limiting the railing, and the two are arranged symmetrically.

Wherein, be equipped with stopper 25 between take-up reel 20 and slide shaft 17 and keep apart take-up reel 20 and avoid steel cable 21 and slide shaft 17 contact, play the effect of protection take-up reel 20, be equipped with through-hole 25 accessible steel cable 21 in the middle of stopper 25.

Wherein, two-way synchronous machine 3 installs on support 24, and support 24 connects first spout 5 and plays the fixed action.

The working principle is as follows: firstly, when the bidirectional synchronous motor 3 is started to lift the sliding shaft 17 and the pressure block 19 to the position of the limit block 25 with low power, the first groove 33 on the winding roll 20 is clamped by the lock cylinder of the electromagnetic lock 31 arranged on the winding roll 20, at this time, the operation of the bidirectional synchronous motor is stopped, then the knob is rotated to drive the bidirectional threaded rod 14 to rotate to open the clamping block 15 to clamp the railing into the clamping block 15, the bidirectional threaded rod 14 is reversely rotated to fix the railing, after the lock cylinder of the electromagnetic lock 31 is separated from the first groove 33 on the winding roll, the bidirectional synchronous motor 3 is started to reversely rotate to rapidly descend in a high-power mode to strike the railing, a sensor is arranged on the railing to measure the borne force, and then a professional can measure the required value after the railing is struck, if the railing is struck with different angles, the clamping device 12 on the left side of the two electric telescopic rods 2 on the left side can be lifted simultaneously because the hinge 30 is connected with the first slide block 5, therefore, when the left electric telescopic rod 2 ascends, the electric telescopic rod 2 on the right side rotates, the clamping device 12 on the right side also rotates, the railing inclines rightwards, the impact and evaluation are repeated, the impact data of the angle can be measured, the right side can ascend through the electric telescopic rod 2, the right side does not start, the railing inclines leftwards, the electric telescopic rod 2 on the front end can also start simultaneously, the rear end does not start, when the railing inclines towards the rear end, the clamping device 12 rotates along with the inclination of the railing due to the first sliding block 9 connected with the bearing 10, the electric telescopic rod 2 on the rear end does not start when the front end is started, the railing inclines towards the front end,

the bidirectional synchronous motor 3 (as shown in fig. 2) can start simultaneously, start another one and rotate the connected sliding shaft 17, the pressure block 19 inclines to the front end, on the contrary, start another one and the pressure block 19 inclines to the rear end, and the effect of the impact bars with different angles can be simulated.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bridge railing intensity test device, includes testing arrangement (1), electric telescopic handle (2), two-way synchronous machine (3), its characterized in that: the testing device (1) is provided with a testing area (4), first sliding grooves (5) are arranged on the periphery of the testing area (4), second sliding grooves (6) are arranged on the side faces of the first sliding grooves (5), second sliding blocks (7) are arranged in the second sliding grooves (6), springs (8) are connected to the bottoms of the second sliding blocks (7), electric telescopic rods (2) are arranged at the bottoms of the first sliding grooves (5), first sliding blocks (9) are arranged in the first sliding grooves (5), the bottoms of the first sliding blocks (9) are fixedly connected with the electric telescopic rods (2), the first sliding blocks (9) are connected with bearings (10), connecting rods (11) are movably connected to the bottoms of the bearings (10), the connecting rods (11) are movably connected with the second sliding blocks (7), clamping devices (12) are movably connected to the first sliding blocks (9), and third sliding grooves (13) are arranged on the clamping devices (12), a bidirectional threaded rod (14) and two clamping blocks (15) are arranged in the third sliding groove (13), threaded holes (16) are formed in the clamping blocks (15), and the bidirectional threaded rod (14) is connected with the clamping blocks (15) through the threaded holes (16);

first spout (5) top is equipped with sliding shaft (17), sliding shaft (17) are connected with connecting rod (18), connecting rod (18) are connected with pressure piece (19), first spout (5) top still is equipped with take-up reel (20), take-up reel (20) book has steel cable (21), steel cable (21) are connected with sliding shaft (17), take-up reel (20) are connected with rotation axis (22), rotation axis (22) intermediate connection has two-way synchronous motor (3).

2. The bridge railing strength testing device of claim 1, wherein: and both ends of the connecting rod (11) are provided with movable hinges (23) and are respectively connected with the second sliding block (7) and the bottom of the bearing (10).

3. The bridge railing strength testing device of claim 1, wherein: the bidirectional synchronous motor (3) is arranged on the bracket (24).

4. The bridge railing strength testing device of claim 1, wherein: a limiting block (25) is arranged between the winding roll (20) and the sliding shaft (17), and a through hole (26) for passing through a steel rope (21) is formed in the middle of the limiting block (25).

5. The bridge railing strength testing device of claim 1, wherein: the testing device (1) bottom is pedestal (27), pedestal (27) are equipped with recess (28).

6. The bridge railing strength testing device of claim 1, wherein: the clamp blocks (15) are provided with lugs (29) for limiting the handrails.

7. The bridge railing strength testing device of claim 1, wherein: the first slide (9) is connected to the clamping device (12) by means of a hinge (30).

8. The bridge railing strength testing device of claim 1, wherein: the top of the bidirectional threaded rod (14) is provided with a knob.

9. The bridge railing strength testing device of claim 1, wherein: an electromagnetic lock (31) is arranged beside the winding roll (20), and first grooves (33) with inclined planes (32) are formed in two end faces of the winding roll (20).