CN219470754U - Road and bridge anticollision barrier - Google Patents

Abstract

The utility model relates to the technical field of roads and bridges, and discloses a road and bridge anti-collision guardrail which comprises a supporting seat, wherein supporting rods are fixedly connected to the upper parts of the supporting seats, rotating rods are rotatably connected to one sides of the inner parts of the supporting rods, one ends of the rotating rods are fixedly connected with first bevel gears, the bottoms of the first bevel gears are respectively connected with second bevel gears in a meshed mode, screw rods are respectively and fixedly connected to the inner parts of the second bevel gears, lifting rods are respectively and fixedly connected to the outer parts of the screw rods, and fixing plates are respectively and fixedly connected to the bottoms of the lifting rods. According to the utility model, the height of the roller is adjusted, so that the roller can be stretched and contracted during transportation, the transportation is convenient, a great amount of physical strength is avoided from being wasted by constructors when the guardrail is moved, the telescopic spring can effectively buffer, the vehicle is prevented from directly colliding with the guardrail, and the normal use of the guardrail is prevented from being influenced by faults of the guardrail.

Description

Road and bridge anticollision barrier

Technical Field

The utility model relates to the technical field of roads and bridges, in particular to a road and bridge anti-collision guardrail.

Background

Along with the improvement of the living standard of people in China, automobiles are the most convenient transportation means at present, because automobiles are increasingly more and more, traffic accidents can not be avoided on roads, guardrails can be arranged on two sides of a road and a bridge in order to prevent the vehicles from being out of control or colliding and rushing out of the road, the existing road and bridge guardrails can be impacted rigidly when the vehicles strike the guardrails, so that huge collision force is brought, potential safety hazards are brought to personnel in the vehicles, the guardrails are damaged, maintenance cost is increased, the existing guardrails are single in function and large in size, the physical strength of constructors is consumed very much when the existing guardrails are transported and moved, and the height of the guardrails is inconvenient to adjust and cannot be suitable for different road environments.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a road and bridge anti-collision guardrail.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a road and bridge anticollision barrier, includes the supporting seat, the equal fixedly connected with bracing piece in upper portion of supporting seat, the equal rotation in inside one side of bracing piece is connected with the bull stick, the equal fixedly connected with first bevel gear of one end of bull stick, the equal meshing of bottom of first bevel gear is connected with second bevel gear, the equal fixedly connected with screw rod in inside of second bevel gear, the equal threaded connection of outside of screw rod has the lifter, the equal fixedly connected with fixed plate in bottom of lifter, the inside both sides of supporting seat all are provided with the spout, the equal fixedly connected with slider in both sides of fixed plate, the equal sliding connection of slider is in the inside of spout, the equal fixedly connected with gyro wheel in bottom of fixed plate, the equal fixedly connected with handle of the other end of bull stick.

As a further description of the above technical solution:

the utility model discloses a guardrail, including support bar, connecting plate, telescopic spring, the equal fixedly connected with lug of one end of telescopic spring, the equal fixedly connected with stopper in one side of lug, the equal fixedly connected with push rod in the front portion of stopper, the equal fixedly connected with guardrail second of one end of push rod.

As a further description of the above technical solution:

the upper portion of bracing piece all fixedly connected with stand, the opposite side of stand all fixedly connected with crossbeam.

As a further description of the above technical solution:

the inside of locating piece is provided with the recess, the inside of recess is provided with the expansion spring.

As a further description of the above technical solution:

the inside of backup pad is provided with the spacing groove, the inside sliding connection in spacing groove has the stopper.

As a further description of the above technical solution:

the lifter all sliding connection is in the inside of supporting seat, the equal sliding connection of gyro wheel is in the inside of supporting seat.

As a further description of the above technical solution:

the bottom of supporting seat all is provided with logical groove, the diameter of logical groove is greater than the diameter of gyro wheel.

The utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the handle, the rotating rod, the first bevel gear, the screw rod, the lifting rod and other structures, the height of the roller is adjusted, so that the roller can be stretched and contracted during transportation, the transportation is convenient, and the waste of a great deal of physical strength of constructors during the movement of the guardrail is avoided.

2. According to the utility model, through the cooperation of a plurality of structures such as the push rod, the limiting block, the convex block, the telescopic spring and the positioning block, the telescopic spring can be effectively buffered, the direct collision between a vehicle and the guardrail is prevented, and the normal use of the guardrail is prevented from being influenced by the failure of the guardrail.

Drawings

Fig. 1 is a front view of a road and bridge crash barrier according to the present utility model;

FIG. 2 is an internal structural diagram of a road and bridge crash barrier according to the present utility model;

fig. 3 is a right side view of a road and bridge crash barrier according to the present utility model;

fig. 4 is an enlarged view at a in fig. 3.

Legend description:

1. a support base; 2. a support rod; 3. a column; 4. a cross beam; 5. a handle; 6. a connecting plate; 7. a rotating rod; 8. a first bevel gear; 9. a second bevel gear; 10. a screw; 11. a lifting rod; 12. a fixing plate; 13. a roller; 14. a chute; 15. a slide block; 16. a through groove; 17. a first guardrail; 18. a second guardrail; 19. a push rod; 20. a limiting block; 21. a bump; 22. a telescopic spring; 23. a positioning block; 24. a groove; 25. a limit groove; 26. and a support plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a road and bridge crash barrier, including supporting seat 1, the equal fixedly connected with bracing piece 2 in upper portion of supporting seat 1, supporting seat 1 fixes bracing piece 2, improve device stability, inside one side of bracing piece 2 all rotates and is connected with bull stick 7, bull stick 7 rotates and drives first bevel gear 8 and rotate, the one end of bull stick 7 all fixedly connected with first bevel gear 8, first bevel gear 8 rotates and drives second bevel gear 9 and rotate, the bottom of first bevel gear 8 all meshes and is connected with second bevel gear 9, second bevel gear 9 rotates and drives screw rod 10 to rotate, the inside of second bevel gear 9 all fixedly connected with screw rod 10, screw rod 10 rotates and drives lifter 11 and reciprocate, the equal threaded connection in outside of screw rod 10 lifter 11, lifter 11 reciprocates and drives fixed plate 12 and reciprocates in spout 14, the bottom of lifter 11 all fixedly connected with fixed plate 12, the fixed plate 12 slides downwards to drive the idler wheel 13 to move out of the support seat 1 through the through groove 16, the sliding grooves 14 are arranged on two sides of the interior of the support seat 1, the sliding blocks 15 are fixedly connected on two sides of the fixed plate 12, the sliding blocks 15 slide up and down in the sliding grooves 14, the sliding blocks 15 are fixedly connected in the sliding grooves 14, the idler wheel 13 is fixedly connected with the bottom of the fixed plate 12, the idler wheel 13 moves out of the interior of the support seat 1 through the through groove 16, the device is convenient to transport, the idler wheel 13 is retracted during use to improve the stability of the device, the handle 5 is fixedly connected with the other end of the rotating rod 7, the handle 5 rotates, the rotating rod 7 rotates to drive the first bevel gear 8 to rotate, the first bevel gear 8 rotates to drive the second bevel gear 9 to rotate, the second bevel gear 9 rotates to drive the screw 10 to rotate, the screw 10 rotates to drive the lifting rod 11 to move up and down, the lifter 11 moves up and down to drive the fixed plate 12 to slide up and down in the chute 14, and the fixed plate 12 slides down to drive the roller 13 to move out of the support seat 1 through the through groove 16, and the fixed plate 12 moves up to drive the roller 13 to retract, so that the height of the roller 13 is adjusted, the roller 13 can be stretched and contracted during transportation, the transportation is convenient, and a great deal of physical strength is avoided from being wasted by constructors when the guardrail is moved.

The opposite sides of the support rod 2 are fixedly connected with a first guardrail 17, the upper side and the lower side of the front part of the first guardrail 17 are fixedly connected with a connecting plate 6, the front part of the connecting plate 6 is fixedly connected with a support plate 26, the upper part of the support plate 26 is fixedly connected with a positioning block 23, the inside of the positioning block 23 is provided with a telescopic spring 22, the telescopic spring 22 is backwards, the telescopic spring 22 provides partial buffering force for the telescopic spring, so that the vehicle and the guardrail can be prevented from directly colliding, one end of the telescopic spring 22 is fixedly connected with a convex block 21, one side of the convex block 21 is fixedly connected with a limiting block 20, the limiting block 20 moves on a chute 14, the telescopic spring 22 is backwards caused, the front part of the limiting block 20 is fixedly connected with a push rod 19, one end of the push rod 19 is fixedly connected with a second guardrail 18, when the second guardrail 18 is collided, the push rod 19 is propped backwards, the upper part of the supporting rod 2 is fixedly connected with the upright post 3, the opposite sides of the upright post 3 are fixedly connected with the cross beam 4, the inside of the positioning block 23 is provided with the groove 24, the inside of the groove 24 is provided with the telescopic spring 22, the telescopic spring 22 can effectively buffer to prevent the vehicle from directly colliding with the guardrail, the inside of the supporting plate 26 is provided with the limit groove 25, the inside of the limit groove 25 is slidably connected with the limit block 20, the lifting rod 11 is slidably connected in the inside of the supporting seat 1, the fixing plate 12 slides downwards to drive the roller 13 to move out of the inside of the supporting seat 1 through the through groove 16, the fixing plate 12 moves upwards to drive the roller 13 to retract, the roller 13 is slidably connected in the inside of the supporting seat 1, the bottom of the supporting seat 1 is provided with the through groove 16, the diameter of the through groove 16 is larger than that of the roller 13, the roller 13 moves out of the inside of the supporting seat 1 through the through groove 16, the device is convenient to transport, retracting the roller 13 during use improves the stability of the device.

Working principle: through rotating handle 5, handle 5 drives bull stick 7 rotation, bull stick 7 rotation drives first bevel gear 8 rotation, first bevel gear 8 rotation drives second bevel gear 9 rotation, second bevel gear 9 rotation drives screw rod 10 rotation, screw rod 10 rotation drives lifter 11 and reciprocates, lifter 11 reciprocates and drives fixed plate 12 and slide from top to bottom in spout 14, fixed plate 12 slides down and drives gyro wheel 13 and shift out the inside of supporting seat 1 through logical groove 16, fixed plate 12 moves up and drives gyro wheel 13 and withdraw, the realization is through adjusting the height of gyro wheel 13, make it can stretch out and draw back gyro wheel 13 when transporting, be convenient for transport, avoid constructor extravagant a large amount of physical power when moving the guardrail with the guardrail, can be contacted guardrail second 18 at first when the vehicle is touching, when guardrail second 18 receives the collision, push rod 19 is propped backward, and drive stopper 20 and lug 21 backward movement, stopper 20 moves on spout 14, make telescopic spring 22 backward, telescopic spring 22 provides partial buffer force for it, can prevent that the vehicle from taking place direct collision with the guardrail, realize that telescopic spring 22 can effectively bump the guardrail, the effect with the normal use of the guardrail has avoided it to take place, the normal impact of the vehicle has been avoided.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Road and bridge crash barrier, including supporting seat (1), its characterized in that: the utility model discloses a lifting device for a bicycle, including supporting seat (1), bracing piece (2) of the upper portion of supporting seat, inside one side of bracing piece (2) is all rotated and is connected with bull stick (7), the equal fixedly connected with of one end of bull stick (7) is first bevel gear (8), the equal meshing of bottom of first bevel gear (8) is connected with second bevel gear (9), the equal fixedly connected with screw rod (10) of inside of second bevel gear (9), the equal threaded connection of outside of screw rod (10) has lifter (11), the equal fixedly connected with fixed plate (12) of bottom of lifter (11), the inside both sides of supporting seat (1) all are provided with spout (14), the equal fixedly connected with slider (15) of both sides of fixed plate (12), the equal sliding connection of slider (15) is in the inside of spout (14), the equal fixedly connected with gyro wheel (13) of bottom of fixed plate (12), the equal fixedly connected with handle (5) of the other end of bull stick (7).

2. A road and bridge crash barrier as set forth in claim 1 wherein: opposite one side of bracing piece (2) is equal fixedly connected with guardrail one (17), both sides are equal fixedly connected with connecting plate (6) about the front portion of guardrail one (17), the equal fixedly connected with backup pad (26) in front portion of connecting plate (6), the equal fixedly connected with locating piece (23) in upper portion of backup pad (26), the inside of locating piece (23) all is provided with extension spring (22), the equal fixedly connected with lug (21) of one end of extension spring (22), one side of lug (21) is equal fixedly connected with stopper (20), the equal fixedly connected with push rod (19) in front portion of stopper (20), the equal fixedly connected with guardrail two (18) of one end of push rod (19).

3. A road and bridge crash barrier as set forth in claim 1 wherein: the upper portion of bracing piece (2) is all fixedly connected with stand (3), the opposite side of stand (3) is all fixedly connected with crossbeam (4).

4. A road and bridge crash barrier as set forth in claim 2 wherein: the inside of locating piece (23) is provided with recess (24), the inside of recess (24) is provided with telescopic spring (22).

5. A road and bridge crash barrier as set forth in claim 2 wherein: the inside of backup pad (26) is provided with spacing groove (25), the inside sliding connection of spacing groove (25) has stopper (20).

6. A road and bridge crash barrier as set forth in claim 1 wherein: the lifting rods (11) are all in sliding connection with the inside of the supporting seat (1), and the rollers (13) are all in sliding connection with the inside of the supporting seat (1).

7. A road and bridge crash barrier as set forth in claim 1 wherein: the bottom of supporting seat (1) all is provided with logical groove (16), the diameter of logical groove (16) is greater than the diameter of gyro wheel (13).