CN219260812U

CN219260812U - Assembled guardrail

Info

Publication number: CN219260812U
Application number: CN202223143359.3U
Authority: CN
Inventors: 蔡桂泉; 王丹
Original assignee: Hunan Xiangtong Highway And Bridge Construction Co ltd
Current assignee: Hunan Xiangtong Highway And Bridge Construction Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-27
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses an assembled guardrail, and relates to the technical field of road traffic guardrails. The spliced guardrail comprises a base, supporting legs and a guardrail body, wherein two grooves are formed in the surfaces of the left side and the right side of the guardrail body, and reset mechanisms are arranged inside the supporting legs. This pin-connected panel guardrail is when using, when the guardrail body received slight striking, through the long pivot of setting, rotate sprocket, the rotary drum, the rope, limiting plate, short pivot, the cooperation of fixed plate and through-hole drives the guardrail body and carries out corresponding removal, avoid guardrail body and vehicle to take place hard contact and lead to damaging, leave the back at the vehicle, can drive the guardrail body under the moment of torsion effect of torsional spring and reset, avoid influencing the traffic, through the travel groove of setting, two-way screw rod, the cooperation of drive sprocket and fixed cover, when the rotary drum rotates, drive the movable block and remove, make the rope constantly remove the winding in the rotary drum outside to the same direction, the rolling space has been increased.

Description

Assembled guardrail

Technical Field

The utility model relates to the technical field of road traffic guardrails, in particular to an assembled guardrail.

Background

The traffic guardrail is a traffic safety facility arranged at the outer side of a road shoulder, a traffic separation belt, pedestrian road teeth and the like, and absorbs collision energy through self deformation or vehicle climbing, so that the running direction of a vehicle is changed, the vehicle is prevented from going out of the road or entering a facing lane, the injury to passengers is reduced to the greatest extent, various bad traffic behaviors can be effectively blocked, pedestrians can not be blocked effectively to cross a road and a city, and various vehicles can be blocked effectively.

For convenient disassembly and repair, the prior traffic guardrail generally adopts a spliced connecting structure, for example, chinese patent with an authorized bulletin number of CN112301919A discloses a spliced traffic guardrail, and the guardrail is fixed and can be disassembled through fixing buckles, and a rail and an upright post between the guardrails, so that damaged guardrail parts can be disassembled and replaced according to specific conditions, thereby saving resources.

However, when the traffic guardrail is in actual use, the guardrail body is displaced or overturned after being slightly impacted by a vehicle, so that the guardrail body is far away from an original isolation position, and if no staff moves after the guardrail body is displaced or overturned, the movable guardrail body is directly positioned at the moved position, so that the traffic and the traffic are influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a split mounting type guardrail, which solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an pin-connected panel guardrail, includes base, supporting leg and guardrail body, two recesses have all been seted up on guardrail body left and right sides surface, the inside canceling release mechanical system that is provided with of supporting leg, canceling release mechanical system includes:

the middle part of the reset cavity is fixedly provided with a fixed plate, the reset cavity is arranged in the supporting leg, the upper end and the lower end of the inside of the reset cavity are fixedly provided with long rotating shafts, the outer side of each long rotating shaft is sleeved with a torsion spring, and one end, close to the fixed plate, of each long rotating shaft is fixedly provided with a rotating chain wheel;

the rotary drum is fixedly arranged on the surface of one side, close to the fixed plate, of the rotary sprocket, a rope is sleeved on the outer side of the rotary drum, a limiting plate is fixedly arranged at one end, close to the fixed plate, of the rotary drum, and a short rotating shaft is rotatably connected to the surface of one side, far from the rotary drum, of the limiting plate;

the through hole is formed in one side surface of the supporting leg, close to the guardrail body, of the supporting leg, a moving groove is formed in the back surface of the inside of the through hole, and a bidirectional screw rod is rotatably connected in the moving groove;

the number of the driving sprockets is two, the two driving sprockets are respectively fixedly arranged at the upper end and the lower end of the outer side of the bidirectional screw rod, the upper end and the lower end of the outer side of the bidirectional screw rod are in threaded connection with two moving blocks, and the middle part of the outer side of the bidirectional screw rod is sleeved with a fixing sleeve.

Preferably, one end of the torsion spring is fixedly connected with the inner wall of the reset cavity, and the other end of the torsion spring is fixedly connected with the surface of one side of the rotating chain wheel, which is far away from the fixed plate.

Preferably, one end of the rope is fixedly connected with the outer side of the rotary drum, and the other end of the rope penetrates through the outer side surface of the moving block and is fixedly connected with the inner wall of the groove.

Preferably, the rotating chain wheel is in transmission connection with the driving chain wheel through a chain.

Preferably, the outer wall of the moving block is mutually attached to the inner wall of the moving groove.

Preferably, the outer wall of the fixed sleeve is fixedly connected with the inner wall of the movable groove.

(III) beneficial effects

The utility model provides a split mounting type guardrail. The beneficial effects are as follows:

(1) When the split mounting type guardrail is used, the balancing weight or cement is added in the base, when the guardrail body is subjected to slight impact, the guardrail body is driven to correspondingly move through the long rotating shaft, the rotating chain wheel, the rotating drum, the rope, the limiting plate, the short rotating shaft, the fixing plate and the through hole, so that the guardrail body is prevented from being damaged due to hard contact with a vehicle, and after the vehicle leaves, the guardrail body can be driven to reset under the torque action of the torsion spring, and traffic is prevented from being influenced.

(2) When the split mounting type guardrail is used, the moving block is driven to move through the cooperation of the moving groove, the bidirectional screw, the driving sprocket and the fixed sleeve, when the rotary drum rotates, the rope is enabled to continuously move in the same direction and wind on the outer side of the rotary drum, and knotting and winding of the rope are avoided when the winding space is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model in front cross section;

FIG. 3 is a schematic diagram of the structure of the present utility model at A;

fig. 4 is a schematic structural diagram of the present utility model at B.

In the figure: 1. a base; 2. support legs; 3. a guardrail body; 31. a groove; 4. a reset mechanism; 401. a reset chamber; 402. a long rotating shaft; 403. a torsion spring; 404. rotating the sprocket; 405. a rotating drum; 406. a rope; 407. a limiting plate; 408. a short rotating shaft; 409. a fixing plate; 410. a chain; 411. a through hole; 412. a moving groove; 413. a bidirectional screw; 414. a drive sprocket; 415. a moving block; 416. and (5) fixing the sleeve.

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, the present utility model provides a technical solution: the utility model provides an pin-connected panel guardrail, includes base 1, supporting leg 2 and guardrail body 3, and two recess 31 have all been seted up on guardrail body 3 left and right sides surface, and supporting leg 2 inside is provided with canceling release mechanical system 4, and canceling release mechanical system 4 includes: reset cavity 401, rotary drum 405, through-hole 411 and drive sprocket 414, reset cavity 401's middle part fixed mounting has fixed plate 409, reset cavity 401 is seted up inside supporting leg 2, inside upper and lower both ends fixed mounting of reset cavity 401 has long pivot 402, long pivot 402 outside cover is equipped with torsional spring 403, long pivot 402 is close to fixed plate 409's one end fixed mounting has rotation sprocket 404, the one end of torsional spring 403 and reset cavity 401's inner wall fixed connection, rotation sprocket 404 is kept away from one side fixed surface of fixed plate 409 with rotation sprocket 404 the other end of torsional spring 403 is connected, can drive torsion spring 403 and rotate when rotation sprocket 404 atress produces the moment of torsion, after the atress disappears, can drive rotation sprocket 404 and reverse rotation reset under the moment of torsion effect of torsional spring 403.

The rotary drum 405 is fixedly arranged on one side surface of the rotary chain wheel 404, which is close to the fixing plate 409, a rope 406 is sleeved on the outer side of the rotary drum 405, one end of the rope 406 is fixedly connected with the outer side of the rotary drum 405, the other end of the rope 406 penetrates through the outer side surface of the moving block 415 and is fixedly connected with the inner wall of the groove 31, when the guardrail body 3 is slightly impacted and displaced, the rope 406 is pulled to rotate by pulling the rotary drum 405 through the rope 406, the rotary drum 405 is driven to rotate synchronously by the rotary chain wheel 404, one end of the rotary drum 405, which is close to the fixing plate 409, is fixedly provided with a limiting plate 407, one side surface of the limiting plate 407, which is far away from the rotary drum 405, is rotatably connected with a short rotating shaft 408, the rope 406 is limited by the limiting plate 407, the rope 406 is prevented from being separated from the rotary drum 405, and the rotary drum 405 is supported and limited by the short rotating shaft 408.

The through hole 411 is formed in the surface of the supporting leg 2, which is close to the guardrail body 3, the movable groove 412 is formed in the back surface of the inside of the through hole 411, the two bidirectional screws 413 are rotatably connected in the movable groove 412, the two driving sprockets 414 are respectively fixedly arranged at the upper end and the lower end of the outer side of the bidirectional screws 413, the rotating sprockets 404 are in transmission connection with the driving sprockets 414 through the chains 410, when the rotating sprockets 404 rotate, the driving sprockets 414 are driven to rotate through the chains 410 so as to drive the bidirectional screws 413 to synchronously rotate, the two movable blocks 415 are in threaded connection with the upper end and the lower end of the outer side of the bidirectional screws 413, the outer walls of the movable blocks 415 are mutually attached to the inner walls of the movable grooves 412, when the bidirectional screws 413 rotate, the movable blocks 415 at the upper end and the lower end are driven to move in opposite directions, so that the ropes 406 are driven to correspondingly move, the ropes 406 can be wound in a movable mode on the outer side of the rotary drum 405, knotted winding of the ropes 406 is avoided at the same time of increasing winding space, the middle of the outer side of the bidirectional screws 413 is provided with the fixed sleeves 416, the outer walls of the fixed sleeves 416 are fixedly connected with the inner walls of the movable grooves 412, the bidirectional screws 413, the fixed sleeves are located inside the fixed sleeves 413, and the inner parts of the fixed sleeves 413 are not provided with the fixed sleeves 416, and are in threaded connection with the fixed sleeves.

In the utility model, when the guardrail body 3 is slightly impacted to move to one side, the rope 406 is pulled, so that the rotary drum 405 rotates, the rotary sprocket 404 is driven to synchronously rotate when the rotary drum 405 rotates, the torsion spring 403 is driven to rotate to generate torque when the rotary sprocket 404 rotates, the chain 410 drives the transmission sprocket 414 to synchronously rotate, the moving blocks 415 at the upper end and the lower end are driven to move in opposite directions through the matching of the moving grooves 412, the rope 406 is driven to correspondingly move, the rope 406 is continuously moved and unfolded, the moving speed of the guardrail body 3 is higher, the hard contact with a vehicle is reduced, the rotary sprocket 404 is driven to reversely reset under the action of the torque of the torsion spring 403 after the vehicle is moved away, the rotary drum 405 is driven to rotate to roll the rope 406, the guardrail body 3 is reset, and the rope 406 is reversely reset through the matching of the transmission sprocket 414, the chain 410, the moving grooves 412 and the moving blocks 415 at the upper end and the lower end and the two-way screw rods, and the rope is reversely reset in opposite directions, and the rope is prevented from being wound on the outer side of the rotary drum 405, and the rope 406 is prevented from being wound in a winding mode.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an pin-connected panel guardrail, includes base (1), supporting leg (2) and guardrail body (3), two recess (31), its characterized in that have all been seted up on guardrail body (3) left and right sides surface: the inside canceling release mechanical system (4) that is provided with of supporting leg (2), canceling release mechanical system (4) include:

the reset cavity (401), the middle part fixed mounting in reset cavity (401) has fixed plate (409), reset cavity (401) are seted up inside supporting leg (2), the inside upper and lower both ends fixed mounting in reset cavity (401) have long pivot (402), the cover is equipped with torsional spring (403) in the outside of long pivot (402), the one end that is close to fixed plate (409) of long pivot (402) is fixed mounting and is rotated sprocket (404);

the rotary drum (405), rotary drum (405) is fixedly installed on one side surface of a rotary chain wheel (404) close to a fixed plate (409), a rope (406) is sleeved on the outer side of the rotary drum (405), a limiting plate (407) is fixedly installed at one end of the rotary drum (405) close to the fixed plate (409), and a short rotary shaft (408) is rotatably connected to one side surface of the limiting plate (407) far from the rotary drum (405);

the through hole (411) is formed in one side surface, close to the guardrail body (3), of the supporting leg (2), the movable groove (412) is formed in the back surface of the inside of the through hole (411), and the bidirectional screw (413) is rotationally connected in the movable groove (412);

the two driving sprockets (414), the quantity of driving sprocket (414) is two, two driving sprocket (414) are fixed mounting respectively in the upper and lower both ends in the outside of two-way screw rod (413), the upper and lower both ends threaded connection in the outside of two-way screw rod (413) has two movable blocks (415), fixed cover (416) have been cup jointed at the outside middle part of two-way screw rod (413).

2. A split rail according to claim 1, wherein: one end of the torsion spring (403) is fixedly connected with the inner wall of the reset cavity (401), and the other end of the torsion spring (403) is fixedly connected with the surface of one side of the rotary chain wheel (404) far away from the fixed plate (409).

3. A split rail according to claim 1, wherein: one end of the rope (406) is fixedly connected with the outer side of the rotary drum (405), and the other end of the rope (406) penetrates through the outer side surface of the moving block (415) and is fixedly connected with the inner wall of the groove (31).

4. A split rail according to claim 1, wherein: the rotating chain wheel (404) is in transmission connection with the driving chain wheel (414) through a chain (410).

5. A split rail according to claim 1, wherein: the outer wall of the moving block (415) is attached to the inner wall of the moving groove (412).

6. A split rail according to claim 1, wherein: the outer wall of the fixed sleeve (416) is fixedly connected with the inner wall of the movable groove (412).