CN212254527U

CN212254527U - Strength detection device based on highway guardrail

Info

Publication number: CN212254527U
Application number: CN202021152972.XU
Authority: CN
Inventors: 陈洪现
Original assignee: Ningxia Zhengdao Mechanical Engineering Co Ltd
Current assignee: Ningxia Zhengdao Mechanical Engineering Co Ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2020-12-29
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses an intensity detection device based on highway guardrail belongs to highway guardrail technical field, including drain pan, first splint, second splint, curb plate and bottom plate, the first splint of last fixed surface of drain pan, the right side of first splint are provided with the second splint, the first silica gel pad of the equal fixedly connected with of opposite face of first splint and second splint, the lower fixed surface of second splint is connected with the slider, slider sliding connection is in the spout that the drain pan upper surface was seted up. The utility model discloses in, through setting up first splint and second splint, first splint and second splint can fix the guardrail, through setting up curb plate, second pivot, second bearing, fixed rope and impact hammer, not only can measure the intensity of guardrail, and can run through the guardrail to the buffering effect of impact hammer, if the bounce-back displacement distance of impact hammer is great, then can judge that the buffering effect of guardrail is not good.

Description

Strength detection device based on highway guardrail

Technical Field

The utility model belongs to the technical field of highway guardrail, especially, relate to an intensity detection device based on highway guardrail.

Background

The highway guardrail is the protective equipment who installs on the highway, the effect of cutting apart the traffic flow and assisting traffic has, and possess certain protection cushioning effect, the security that the highway was gone has been improved, highway guardrail is after making, in order to guarantee the intensity of guardrail, consequently, need carry out the selective examination to the guardrail, then detect its intensity, current detection device generally utilizes hydraulic means to detect its intensity to its extrusion, the collision strength of simulation vehicle that can't be fine, the buffering effect to the guardrail can't be evaluated and evaluated, consequently, need carry out certain improvement to intensity detection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the strength detection device based on the road guardrail is provided for solving the problems that the conventional strength detection device cannot simulate vehicle collision, easily generates detection errors and cannot detect the buffering effect of the guardrail.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a strength detection device based on a highway guardrail comprises a bottom shell, a first clamping plate, a second clamping plate, side plates and a bottom plate, wherein the first clamping plate is fixedly connected to the upper surface of the bottom shell, the second clamping plate is arranged on the right side of the first clamping plate, a first silica gel pad is fixedly connected to the opposite surfaces of the first clamping plate and the second clamping plate, a sliding block is fixedly connected to the lower surface of the second clamping plate, the sliding block is connected to a sliding groove formed in the upper surface of the bottom shell in a sliding mode, a groove is formed in the lower surface of the bottom shell, and a damping mechanism is arranged in;

the front side and the rear side of the upper surface of the bottom shell are fixedly connected with side plates, the side plates are positioned on the right side of the second clamping plate, the two side plates are fixedly connected through a second rotating shaft, two second bearings are sleeved on the outer surface of the second rotating shaft, fixing ropes are fixedly connected to the outer surfaces of the second bearings, the other ends of the two fixing ropes are fixedly connected to the outer surfaces of the impact hammers, the impact hammers are positioned between the two arc plates, the outer surfaces of the arc plates are fixedly connected with the upper surface of the bottom shell through supporting columns, limiting grooves are formed in the opposite surfaces of the two arc plates, sliding parts are arranged in the limiting grooves, fixing plates are fixedly connected to the opposite surfaces of the two sliding parts, the back surface of the front side fixing plate is fixedly connected with a second positioning plate through two connecting rods, the front surface of the rear side fixing plate is fixedly connected with a first positioning, a driving mechanism is arranged between the two arc-shaped plates, and one end of the driving mechanism extends into the limiting groove and is fixedly connected with the upper surface of the sliding part.

As a further description of the above technical solution:

the left side of slider has the screw cap joint, and screw cap female connection has the screw thread post, and the first pivot of right-hand member fixedly connected with of screw thread post, first pivot cover are established in the first bearing of spout inner wall right flank joint, and the left end of screw thread post runs through the through-hole and the fixedly connected with of drain pan left surface and offers and twists the ring.

As a further description of the above technical solution:

the quantity of first splint and second splint is two, and two first splint and two second splint longitudinal symmetry set up, and the opposite face of two second splint passes through locating lever fixed connection.

As a further description of the above technical solution:

actuating mechanism includes the loading board of fixed connection between two arcs, and the upper surface of loading board passes through connecting plate fixedly connected with third bearing, and the surface at the third pivot is cup jointed to the third bearing, the equal fixedly connected with cable drum in both ends of third pivot, the front of front side cable drum and the output shaft fixed connection of motor, the lower surface of motor passes through mount pad fixed connection in the front of arc, the surface winding of cable drum has the stay cord, and the other end of stay cord passes the spacing groove and is connected with the fixed surface of slider.

As a further description of the above technical solution:

the slider is cylindrical in shape.

As a further description of the above technical solution:

the damping mechanism comprises a bottom plate located in the groove, the upper surface of the bottom plate is fixedly connected with the upper surface of the inner wall of the groove through a plurality of springs, and the four corners of the upper surface of the bottom plate are fixedly connected with the upper surface of the inner wall of the groove through telescopic rods.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up first splint and second splint, first splint and second splint can fix the guardrail, through setting up the curb plate, the second pivot, the second bearing, fixed rope and impact hammer, can put forward certain height with the impact hammer, in the second pivot, under the effect of second bearing and fixed rope, the impact hammer can be the free fall motion, can form the striking to the guardrail when the impact hammer swings, fine simulation the striking of car to the guardrail, not only can measure the intensity of guardrail, and can run through the guardrail to the buffering effect of impact hammer, if the rebound displacement distance of impact hammer is great, then can judge that the buffering effect of guardrail is not good.

2. The utility model discloses in, through setting up actuating mechanism, first locating plate and second locating plate can clip the impact hammer, and actuating mechanism can control the rise height of impact hammer to can adjust the impact strength of impact hammer to the guardrail, and then can be fine measure the maximum force of bearing of guardrail.

3. The utility model discloses in, through setting up damper, damper can be fine carry out the shock attenuation to the drain pan, the vibrations that consequently produce during the striking can be effectively cushioned, avoids device itself to receive the influence of great vibrations power.

Drawings

Fig. 1 is a schematic structural view of a strength detection device based on a road guardrail provided by the utility model;

fig. 2 is a schematic diagram of a right-view partial sectional structure of a driving mechanism and an arc plate in the strength detection device based on the road guardrail provided by the utility model;

fig. 3 is a schematic structural diagram of a first clamping plate, a second clamping plate and a second rotating shaft in the strength detecting device based on the road guardrail according to the present invention;

fig. 4 is the utility model provides a section structure schematic diagram of damper orthographic view among intensity detection device based on highway guardrail.

Illustration of the drawings:

1. a bottom case; 2. a first silica gel pad; 3. a first splint; 4. a second splint; 5. a slider; 6. a threaded post; 7. a first rotating shaft; 8. a side plate; 9. a second rotating shaft; 10. a groove; 11. fixing a rope; 12. a drive mechanism; 121. a motor; 122. a rope reel; 123. pulling a rope; 124. a third rotating shaft; 125. a carrier plate; 13. an arc-shaped plate; 14. a fixing plate; 15. an impact hammer; 16. a slider; 17. a limiting groove; 18. a hydraulic cylinder; 19. a second silica gel pad; 20. a first positioning plate; 21. a second positioning plate; 22. a connecting rod; 23. a damping mechanism; 231. a base plate; 232. a telescopic rod; 233. a spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a strength detection device based on a road guardrail comprises a bottom shell 1, a first clamping plate 3, a second clamping plate 4, a side plate 8 and a bottom plate 231, wherein the upper surface of the bottom shell 1 is fixedly connected with the first clamping plate 3, the right side of the first clamping plate 3 is provided with the second clamping plate 4, the opposite surfaces of the first clamping plate 3 and the second clamping plate 4 are fixedly connected with a first silica gel pad 2, the first silica gel pad 2 has certain buffering potential energy through the arrangement of the first silica gel pad 2, so that the vibration generated by the guardrail due to impact is buffered by the first silica gel pad 2, the vibration force borne by the first clamping plate 3 and the second clamping plate 4 is greatly weakened, the number of the first clamping plate 3 and the second clamping plate 4 is two, the two first clamping plates 3 and the two second clamping plates 4 are symmetrically arranged in the front-back direction, the opposite surfaces of the two second clamping plates 4 are fixedly connected through positioning rods, and through the arrangement of the positioning rods, when the second clamping plate 4 on the front side moves, thereby leading the front and the back two first clamping plates 3 and the second clamping plate 4 to be capable of clamping the guardrail, the lower surface of the second clamping plate 4 is fixedly connected with a sliding block 5, the sliding block 5 is connected in a sliding groove arranged on the upper surface of the bottom shell 1 in a sliding way, the left side surface of the sliding block 5 is clamped with a threaded cap, a threaded column 6 is connected in the threaded cap in a threaded manner, the right end of the threaded column 6 is fixedly connected with a first rotating shaft 7, the first rotating shaft 7 is sleeved in a first bearing clamped on the right side surface of the inner wall of the sliding chute, the left end of the threaded column 6 penetrates through a through hole formed in the left side surface of the bottom shell 1 and is fixedly connected with a screwing ring, by arranging the screwing ring, the first rotating shaft 7, the threaded column 6 and the threaded cap, a worker screws the screwing ring to drive the threaded column 6 to rotate through the first rotating shaft 7, the threaded column 6 can drive the threaded cap to move when rotating, and the threaded cap can drive the second clamping plate 4 to move left and right at the moment, so that the first clamping plate 3 and the second clamping plate 4 can effectively clamp or loosen the guardrail;

the lower surface of the bottom shell 1 is provided with a groove 10, a damping mechanism 23 is arranged in the groove 10, the damping mechanism 23 comprises a bottom plate 231 positioned in the groove 10, the upper surface of the bottom plate 231 is fixedly connected with the upper surface of the inner wall of the groove 10 through a plurality of springs 233, four corners of the upper surface of the bottom plate 231 are fixedly connected with the upper surface of the inner wall of the groove 10 through telescopic rods 232, the springs 233 are arranged to have strong elastic buffering performance, so that the bottom shell 1 can be well buffered when impacted, the bottom shell 1 can stably move up and down without derailing through the arrangement of the telescopic rods 232, and the bottom plate 231 can be prevented from being separated from the bottom shell 1;

both the front side and the rear side of the upper surface of the bottom shell 1 are fixedly connected with side plates 8, the side plates 8 are positioned on the right side of the second clamping plate 4, the two side plates 8 are fixedly connected through a second rotating shaft 9, the outer surface of the second rotating shaft 9 is sleeved with two second bearings, the outer surfaces of the second bearings are fixedly connected with fixing ropes 11, the other ends of the two fixing ropes 11 are fixedly connected with the outer surface of an impact hammer 15, the impact hammer 15 is positioned between the two arc plates 13, the outer surfaces of the arc plates 13 are fixedly connected with the upper surface of the bottom shell 1 through supporting columns, the opposite surfaces of the two arc plates 13 are respectively provided with a limiting groove 17, a sliding part 16 is arranged in the limiting groove 17, the sliding part 16 is cylindrical, and the sliding part 16 can stably slide in the arc limiting grooves 17 and cannot be blocked, and the opposite surfaces of the two sliding parts 16 are fixedly, the back of the front fixing plate 14 is fixedly connected with a second positioning plate 21 through two connecting rods 22, and the front of the rear fixing plate 14 is fixedly connected with a first positioning plate 20 through two hydraulic cylinders 18;

a driving mechanism 12 is arranged between the two arc plates 13, one end of the driving mechanism 12 extends into the limiting groove 17 and is fixedly connected with the upper surface of the sliding part 16, the driving mechanism 12 comprises a bearing plate 125 fixedly connected between the two arc plates 13, the upper surface of the bearing plate 125 is fixedly connected with a third bearing through a connecting plate, the third bearing is sleeved on the outer surface of a third rotating shaft 124, two ends of the third rotating shaft 124 are fixedly connected with a rope reel 122, the front surface of the front rope reel 122 is fixedly connected with an output shaft of the motor 121, the lower surface of the motor 121 is fixedly connected with the front surface of the arc plates 13 through a mounting seat, a pull rope 123 is wound on the outer surface of the rope reel 122, the other end of the pull rope 123 passes through the limiting groove 17 and is fixedly connected with the outer surface of the sliding part 16, and the motor 121, the rope reel 122 and the pull rope 123 are arranged, so that the motor 121 can drive, so that the pulling rope 123 can pull the sliding member 16 to move, and the sliding member 16 can bring the striking hammer 15 to move to any position through the first positioning plate 20 and the second positioning plate 21.

The working principle is as follows: during the use, the workman can place the guardrail between two first splint 3 and second splint 4, then it is rotatory to control threaded post 6 through twisting the ring, the screw cap passes through slider 5 and drives second splint 4 and move left, the guardrail can be cliied to first splint 3 and second splint 4, then the workman promotes impact hammer 15 and moves to between first locating plate 20 and the second locating plate 21, control pneumatic cylinder 18 work lets first locating plate 20 and second locating plate 21 can clip impact hammer 15, control actuating mechanism 12 work and drive impact hammer 15 and move, impact hammer 15 moves to the eminence along arc 13, then control pneumatic cylinder 18 shrink this moment first locating plate 20 and second locating plate 21 no longer fix impact hammer 15, impact hammer 15 is not hard up can the free fall and strikes the guardrail.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A strength detection device based on a road guardrail comprises a bottom shell (1), a first clamping plate (3), a second clamping plate (4), a side plate (8) and a bottom plate (231), and is characterized in that the upper surface of the bottom shell (1) is fixedly connected with the first clamping plate (3), the right side of the first clamping plate (3) is provided with the second clamping plate (4), opposite surfaces of the first clamping plate (3) and the second clamping plate (4) are fixedly connected with a first silica gel pad (2), the lower surface of the second clamping plate (4) is fixedly connected with a sliding block (5), the sliding block (5) is connected in a sliding groove formed in the upper surface of the bottom shell (1) in a sliding mode, the lower surface of the bottom shell (1) is provided with a groove (10), and a damping mechanism (23) is arranged in the groove;

equal fixedly connected with curb plate (8) in both sides around drain pan (1) upper surface, curb plate (8) are located the right side of second splint (4), through second pivot (9) fixed connection between two curb plates (8), the surface cover of second pivot (9) is equipped with two second bearings, and the fixed rope (11) of surface fixedly connected with of second bearing, the equal fixed connection of the other end of two fixed ropes (11) is at the surface of impact hammer (15), and impact hammer (15) are located between two arcs (13), and the surface of arc (13) passes through the support column and is connected with the last fixed surface of drain pan (1), and spacing groove (17) have all been seted up to the opposite face of two arcs (13), be provided with slider (16) in spacing groove (17), the equal fixedly connected with fixed plate (14) of opposite face of two sliders (16), the back of front side fixed plate (14) is through two connecting rod (22) fixedly connected with second locating plate (21) ) The front surface of the rear side fixing plate (14) is fixedly connected with a first positioning plate (20) through two hydraulic cylinders (18), opposite surfaces of the first positioning plate (20) and a second positioning plate (21) are fixedly connected with a second silica gel pad (19), a driving mechanism (12) is arranged between the two arc-shaped plates (13), and one end of the driving mechanism (12) extends into the limiting groove (17) and is fixedly connected with the upper surface of the sliding part (16).

2. The strength detection device based on the road guardrail according to claim 1, wherein a threaded cap is clamped on the left side surface of the sliding block (5), a threaded column (6) is connected in the threaded cap in a threaded manner, a first rotating shaft (7) is fixedly connected to the right end of the threaded column (6), the first rotating shaft (7) is sleeved in a first bearing clamped on the right side surface of the inner wall of the sliding chute, and the left end of the threaded column (6) penetrates through a through hole formed in the left side surface of the bottom shell (1) and is fixedly connected with a screwing ring.

3. The strength detection device based on the road guardrail according to claim 1, characterized in that the number of the first clamping plates (3) and the second clamping plates (4) is two, the two first clamping plates (3) and the two second clamping plates (4) are symmetrically arranged in front and back, and the opposite surfaces of the two second clamping plates (4) are fixedly connected through positioning rods.

4. The strength detection device based on the road guardrail according to claim 1, wherein the driving mechanism (12) comprises a bearing plate (125) fixedly connected between the two arc-shaped plates (13), the upper surface of the bearing plate (125) is fixedly connected with a third bearing through a connecting plate, the third bearing is sleeved on the outer surface of a third rotating shaft (124), two ends of the third rotating shaft (124) are fixedly connected with a rope reel (122), the front surface of a front rope reel (122) is fixedly connected with the output shaft of a motor (121), the lower surface of the motor (121) is fixedly connected with the front surface of the arc-shaped plates (13) through a mounting seat, the outer surface of the rope reel (122) is wound with a pull rope (123), and the other end of the pull rope (123) passes through a limiting groove (17) and is fixedly connected with the outer surface of a sliding part (16).

5. A road guardrail based strength detection device according to claim 4, wherein the slider (16) is cylindrical in shape.

6. The strength detection device based on the road guardrail according to claim 1, wherein the damping mechanism (23) comprises a bottom plate (231) positioned in the groove (10), the upper surface of the bottom plate (231) is fixedly connected with the upper surface of the inner wall of the groove (10) through a plurality of springs (233), and the four corners of the upper surface of the bottom plate (231) are fixedly connected with the upper surface of the inner wall of the groove (10) through telescopic rods (232).