CN220789466U - Anti-collision guardrail moving trolley - Google Patents

Abstract

The utility model provides a movable trolley for a crash barrier. Including the platform truck body, the platform truck body includes the pedestal, and the pedestal top is equipped with the rack, and rack one side is equipped with safety barrier, and pedestal bottom symmetry is equipped with the gyro wheel, and the pedestal top is fixed with the driving box of arranging the rack inboard in, and symmetrical sliding connection has the slide in the driving box, is equipped with drive structure in the driving box, and slide diapire symmetry is equipped with the bracing piece, and the bracing piece bottom is fixed with firm board. According to the utility model, the main gear is driven to rotate by the starting motor, the driven gear is driven to rotate, the screw is driven to rotate, the sliding plate is driven to move downwards, the supporting rod and the stabilizing plate are driven to move downwards until the stabilizing plate moves downwards to be in close contact with the ground, the contact area between the trolley body and the ground can be increased, the friction force is increased, the stability of the trolley body is greatly improved, the conditions of environmental factors or misoperation and the like are avoided, the trolley body is driven to move by the rollers, and the safety performance is greatly improved.

Description

Anti-collision guardrail moving trolley

Technical Field

The utility model provides a movable trolley for a crash barrier, and belongs to the technical field of movable trolleys.

Background

At present, the design of the highway bridge anti-collision guardrail is divided into 3 types according to the combination mode with the beam part, namely a common sitting type anti-collision guardrail, a cast-in-place concrete anti-collision guardrail with a hanging eave and a prefabricated mounting hanging plate anti-collision guardrail. Along with the promotion of people aesthetic requirement, ordinary sitting type anticollision barrier can not satisfy aesthetic needs, and current highway bridge anticollision barrier adopts more to hang eaves cast in situ concrete anticollision barrier and prefabricated installation link plate anticollision barrier to show bridge design aesthetic feeling. The traditional anti-collision concrete guardrail template is installed by using mechanical equipment such as an automobile crane, a loader and the like to be matched with a manual support and the like. The operating personnel has no fixed operating platform, the template is installed and fixed with great difficulty, and the construction personnel has higher operation danger at high positions. In order to solve the problems of high-altitude transportation and construction, along with the development of technology, the anti-collision guardrail moving trolley is generated.

Publication number CN212835006U discloses a travelling car for crash barrier construction, including main steelframe, stull, upper and lower passageway and safety barrier, the both ends have welded level respectively about the same one side of main steelframe horizontal channel-section steel and outside platform for the safety barrier that the level was provided with, and one side below welding that the main steelframe was kept away from to horizontal channel-section steel has the platform truck, all welds the stull in the side of platform truck, and one side that the main steelframe was kept away from to the platform truck is provided with the balancing weight. The utility model has the advantages of convenient manufacture on the construction site, simple installation and disassembly, section steel as a material and connection and fixation by welding; the simple template trolley is used as an operation platform for outside constructors, has large operation space, is convenient for construction operation, and ensures the operation safety of the constructors; the simple template trolley effectively reduces the investment of manpower and mechanical equipment, accelerates the construction progress and improves the safety guarantee.

The crash barrier mobile trolley in use at present can basically meet the use requirement, but certain defects still exist: at present, the trolley body is usually moved through the roller, the roller is fixed after the trolley body is moved, so that the position of the trolley body is kept unchanged, but the contact area between the roller and the ground is relatively small due to rolling friction, once the conditions such as environmental factors or human misoperation occur, the roller is very easy to drive the trolley body to move, and the trolley body has certain risk. Based on the above, the utility model provides a crash barrier moving trolley.

Disclosure of Invention

In order to solve the problems in the background art, the anti-collision guardrail moving trolley provided by the utility model has the advantages that the driving structure enables the stabilizing plate to move downwards to be in close contact with the ground, the contact area between the trolley body and the ground can be increased, the friction force is increased, the stability of the trolley body is greatly improved, the conditions of environmental factors or misoperation and the like are avoided, the trolley body is driven by the rollers to move, and the safety performance is greatly improved.

The utility model provides a movable trolley for a crash barrier, which adopts the technical scheme that: including the platform truck body, the platform truck body includes the pedestal, the pedestal top is equipped with the rack, rack one side is equipped with safety barrier, pedestal bottom symmetry is equipped with the gyro wheel, the pedestal top is fixed with the drive box of arranging the rack inboard in, symmetrical sliding connection has the slide in the drive box, be equipped with the drive structure that is used for driving the slide to remove in the drive box, slide diapire symmetry is equipped with the bracing piece that passes drive box bottom, pedestal, the bracing piece bottom is fixed with the firm board of arranging the pedestal below in.

Further, the driving structure comprises a motor arranged between the sliding plates, the output end of the motor is connected with a main gear, screws in threaded connection with the sliding plates are symmetrically and rotationally connected between the inner top wall and the inner bottom wall of the driving box, and a slave gear in meshed connection with the main gear is arranged on the upper rod body of the screws.

Further, the sliding plate is provided with a threaded hole through which the screw rod passes, and the rod body of the screw rod is provided with screw teeth matched with the threaded hole.

Further, the side wall of the sliding plate is symmetrically provided with grooves, and the inner side wall of the driving box is provided with sliding rails matched with the grooves.

Further, an anti-slip pad is arranged at the bottom of the stabilizing plate.

Further, the bottom of the driving box is symmetrically provided with square holes through which the supporting rods pass.

The utility model has the beneficial effects that: according to the utility model, the main gear is driven to rotate by the starting motor, the driven gear is driven to rotate under the meshing connection of the main gear and the driven gear, the screw is driven to rotate, the sliding plate is driven to move downwards under the limiting and screw action of the sliding rail, the supporting rod and the stabilizing plate are driven to move downwards until the stabilizing plate moves downwards to be in close contact with the ground, the contact area between the trolley body and the ground can be increased, the friction force is increased, the stability of the trolley body is greatly improved, environmental factors or misoperation considered and other conditions are avoided, and the trolley body is driven to move by the rollers, so that the safety performance is greatly improved.

Drawings

Fig. 1 is a schematic plan view of a crash barrier moving trolley according to the present utility model.

Fig. 2 is a schematic plan view of a part of a crash barrier moving trolley according to the present utility model.

Fig. 3 is a schematic view of a part of a movable trolley for a crash barrier according to the present utility model.

1. A trolley body; 2. a pedestal; 3. a stand; 4. a safety barrier; 5. a drive box; 6. a slide plate; 7. a support rod; 8. a stabilizing plate; 9. a motor; 10. a main gear; 11. a screw; 12. a slave gear; 13. a threaded hole; 14. screw threads; 15. a slide rail; 16. an anti-slip pad; 17. a square hole; 18. a roller; 19. a groove.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

According to the drawings: the utility model provides a movable trolley for a crash barrier, which comprises a trolley body, a trolley body and a trolley body, wherein the trolley body comprises a trolley body and a trolley body, the trolley body comprises a trolley base: including trolley body 1, trolley body 1 includes pedestal 2, and the pedestal 2 top is equipped with rack 3, and rack 3 one side is equipped with safety barrier 4, and pedestal 2 bottom symmetry is equipped with gyro wheel 18, its characterized in that: the pedestal 2 top is fixed with the driving box 5 of arranging the rack 3 inboard in, symmetrical sliding connection has slide 6 in the driving box 5, be equipped with the drive structure who is used for driving slide 6 to remove in the driving box 5, slide 6 diapire symmetry is equipped with and passes driving box 5 bottom, the bracing piece 7 of pedestal 2, bracing piece 7 bottom is fixed with the firm board 8 of arranging the pedestal 2 below in, when the work of platform truck body 1 is to the high altitude transport of face limit and construction, through with firm board 8 downwardly moving to with ground in close contact with, can increase the area of contact of platform truck body 1 with ground, increase frictional force, the steadiness of platform truck body 1 improves greatly, in order to avoid appearing circumstances such as environmental factor or manual operation error, lead to gyro wheel 18 to drive platform truck body 1 and remove, the security performance improves greatly.

As an alternative embodiment, the driving structure comprises a motor 9 arranged between the sliding plates 6, the output end of the motor 9 is connected with a main gear 10, a screw 11 in threaded connection with the sliding plates 6 is symmetrically and rotatably connected between the inner top wall and the inner bottom wall of the driving box 5, a slave gear 12 in meshed connection with the main gear 10 is arranged on the upper rod body of the screw 11, and the motor 9 is started through the driving structure, so that the screw 11 can rotate under the meshed connection of the main gear 10 and the slave gear 12.

As an alternative embodiment, the sliding plate 6 is provided with a threaded hole 13 through which the screw 11 passes, and the rod body of the screw 11 is provided with a screw tooth 14 matched with the threaded hole 13, so that the sliding plate 6 can be effectively driven to move when the screw 11 rotates.

As an alternative embodiment, the side wall of the sliding plate 6 is symmetrically provided with grooves 19, and the inner side wall of the driving box 5 is provided with sliding rails 15 matched with the grooves 19, so that the limiting effect on the sliding plate 6 is achieved.

As an alternative embodiment, the bottom of the stabilizing plate 8 is provided with a non-slip mat 16, which plays a role in preventing slipping and enhancing the grip.

As an alternative embodiment, square holes 17 through which the support rods 7 pass are symmetrically arranged at the bottom of the driving box 5, so as to play a role in avoiding interference.

Principles of the utility model

When the anti-collision guardrail is used, when the trolley body 1 works to carry out high-altitude transportation and construction on the side, the trolley body 1 is moved to a proper position through the roller 18, the main gear 10 is driven to rotate through the starting motor 9, the driven gear 12 is driven to rotate under the meshing connection of the main gear 10 and the driven gear 12, the screw 11 is driven to rotate, the sliding plate 6 is driven to move downwards under the limiting and screw tooth 14 effects of the sliding rail 15, the supporting rod 7 and the stabilizing plate 8 are driven to move downwards until the stabilizing plate 8 is moved downwards to be in close contact with the ground, the contact area between the trolley body 1 and the ground can be increased, the friction force is increased, the stability of the trolley body 1 is greatly improved, so that the conditions such as environmental factors or human misoperation are avoided, the roller 18 drives the trolley body 1 to move, and the safety performance is greatly improved.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a crash barrier travelling car, includes platform truck body (1), platform truck body (1) includes pedestal (2), pedestal (2) top is equipped with rack (3), rack (3) one side is equipped with safety barrier (4), pedestal (2) bottom symmetry is equipped with gyro wheel (18), its characterized in that: the utility model discloses a bench, including pedestal (2), stand (2), slide (6) are equipped with in drive case (5), be equipped with in drive case (5) and be used for driving the drive structure that slide (6) removed, slide (6) diapire symmetry is equipped with bracing piece (7) that pass drive case (5) bottom, pedestal (2), bracing piece (7) bottom is fixed with and arranges in bracing piece (8) of pedestal (2) below.

2. A crash barrier moving trolley according to claim 1, wherein: the driving structure comprises a motor (9) arranged between the sliding plates (6), a main gear (10) is connected to the output end of the motor (9), a screw (11) in threaded connection with the sliding plates (6) is symmetrically and rotationally connected between the inner top wall and the inner bottom wall of the driving box (5), and a slave gear (12) in meshed connection with the main gear (10) is arranged on the upper rod body of the screw (11).

3. A crash barrier mobile cart according to claim 2, wherein: the sliding plate (6) is provided with a threaded hole (13) through which the screw rod (11) passes, and a screw tooth (14) matched with the threaded hole (13) is arranged on the rod body of the screw rod (11).

4. A crash barrier moving trolley according to claim 1, wherein: the side wall of the sliding plate (6) is symmetrically provided with grooves (19), and the inner side wall of the driving box (5) is provided with sliding rails (15) matched with the grooves (19).

5. A crash barrier moving trolley according to claim 1, wherein: the bottom of the stabilizing plate (8) is provided with an anti-slip pad (16).

6. A crash barrier moving trolley according to claim 1, wherein: square holes (17) through which the support rods (7) penetrate are symmetrically arranged at the bottom of the driving box (5).