CN217517331U

CN217517331U - A small handcart for road marking

Info

Publication number: CN217517331U
Application number: CN202220030643.0U
Authority: CN
Inventors: 杨秉津
Original assignee: Wuhan Xinyue Anda Traffic Engineering Co ltd
Current assignee: Wuhan Xinyue Anda Traffic Engineering Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-09-30
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to a road marking technical field specifically is a small handcart for road marking, including the small handcart, the directive wheel of small handcart sets up to the front-seat double round, connects through the pivot in the front-seat double round between a pair of gyro wheel, and the interlude of pivot runs through the regulating box, is provided with fixed cover in the regulating box and connects the epaxial speed governing tooth, and the arc board is installed to the upper end of speed governing tooth is flexible, and one side of arc board is rotated and is installed the commentaries on classics board of laminating speed governing tooth outer wall, and the lower extreme of arc board is provided with the wearing layer of pressfitting on speed governing tooth, and beneficial effect is: the extrusion of pressing the pipe is pressed to folding to the rotation through setting up the screw rod to the extrusion of control lifter to the spring reaches the regulation to the arc board height, pushes down the in-process at the arc board, through the increase of friction between wearing layer and the speed governing tooth, thereby improves the running friction of pivot, reduces the speed of shallow, the control speed of a motor vehicle of being convenient for.

Description

A small handcart for road marking

Technical Field

The utility model relates to a road marking technical field specifically is a small handcart for road marking.

Background

Most of the existing road marking trolleys are pushed manually, and automatic marking and scribing devices are arranged on the trolleys, but due to different pushing speeds, the materials for scribing are different in thickness.

In the actual marking process, the marking needs to be controlled to be uniform in material consumption for the purpose of beautifying the marking, so that the pushing speed of the small trolley needs to be controlled, the small trolley cannot move in a reverse mode, and the existing marking small trolley lacks a speed control device.

Therefore, the trolley for the road marking is provided, and the problems of speed control and overturning prevention of the trolley are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small handcart for road marking to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a small handcart for road marking, includes the small handcart, the small handcart comprises wheel and frame, the wheel comprises the removal wheel of rear side and the directive wheel of front side, is provided with the feed cylinder that has the handle that pushes away on the frame, the directive wheel of small handcart sets up to the front-seat double round, connect through the pivot between a pair of gyro wheel in the front-seat double round, the interlude of pivot runs through the regulating box, be provided with fixed cup joint in the regulating box and change epaxial speed governing tooth, the flexible arc board of installing in upper end of speed governing tooth, one side of arc board is rotated and is installed the commentaries on classics board of laminating speed governing tooth outer wall, and the lower extreme of arc board is provided with the wearing layer of pressfitting on speed governing tooth.

Preferably, a support is arranged at the upper end of the adjusting box, a lifting rod extending to an inner cavity at the lower end of the straight support is arranged at the upper end of the arc plate, and a folding pressure pipe is arranged on the lifting rod.

Preferably, the outer wall of the upper end of the lifting rod is vertically sleeved with a spring, and the spring is pressed between the lower end of the folding pressure pipe and the upper end of the adjusting box.

Preferably, the support is provided with a threaded hole, a screw rod is rotatably installed in the threaded hole through vertical threads, a pressing plate is arranged at the lower end of the screw rod, and the pressing plate is pressed on the upper end face of the folding pressure pipe.

Preferably, one end of the arc plate is provided with a hinged support, one end of the rotating plate is rotatably installed on the hinged support, the lower end of the rotating plate is obliquely attached to teeth of the speed regulating teeth, and the oblique direction of the rotating plate is the same as the steering direction of the speed regulating teeth.

Preferably, the adjusting box is fixed on the frame, a sliding groove is vertically formed in the inner wall of the adjusting box, the lower end of the arc plate vertically extends, a sliding block is arranged on the outer wall of the connecting section of the bent portion of the arc plate and the vertical rod, and the sliding block is inserted into the sliding groove in a sliding mode.

Preferably, a pair of key grooves which are symmetrical up and down are arranged between the inner ring of the speed regulating tooth and the outer wall of the rotating shaft, connecting keys are arranged in the key grooves, and the speed regulating tooth is fixedly sleeved on the outer wall of the rotating shaft through the matching of the key grooves and the keys.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model realizes the extrusion of the folding pressure pipe by the rotation of the screw rod, thereby controlling the extrusion of the lifting rod to the spring, achieving the adjustment of the height of the arc plate, and improving the rotation friction of the rotating shaft, reducing the speed of the cart and being convenient for controlling the speed of the vehicle by increasing the friction between the wear-resistant layer and the speed-adjusting teeth in the process of pressing down the arc plate;

2. the utility model discloses a rotating the cooperation of board and speed governing tooth of installation, when the corotation of speed governing tooth, the trend of realizing the tilt up is changeed to the board under the effect of tooth, when backing a car the reversal, changes the board joint in the clearance of tooth, reaches the purpose of the dead braking of card, has further improved the degree of consistency of marking.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the adjusting box of the present invention;

fig. 3 is an enlarged view of a structure a in fig. 2.

In the figure: 1. a frame; 2. a charging barrel; 3. a front row of double wheels; 4. a rotating shaft; 5. an adjusting box; 6. a support; 7. a speed regulating gear; 8. an arc plate; 9. a wear resistant layer; 10. rotating the plate; 11. a slider; 12. a key slot; 13. a spring; 14. a lifting rod; 15. folding the pressing pipe; 16. pressing a plate; 17. a screw.

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 to 3, the present invention provides a technical solution:

a trolley for road marking comprises a trolley, the trolley consists of wheels and a frame 1, the wheels consist of moving wheels at the rear side and steering wheels at the front side, and a charging barrel 2 with a push handle is arranged on the frame 1.

The directive wheel of small handcart sets up to front double round 3, connect through pivot 4 between a pair of gyro wheel in the front double round 3, the interlude of pivot 4 runs through regulating box 5, regulating box 5 is fixed on frame 1, be provided with the fixed speed governing tooth 7 of cup jointing in pivot 4 in the regulating box 5, be provided with a pair of keyway 12 of longitudinal symmetry between the inner circle of speed governing tooth 7 and the outer wall of pivot 4, be provided with the connection key in the keyway 12, speed governing tooth 7 is fixed cup joints on the outer wall of pivot 4 through the cooperation of keyway 12 with the key, utilize the cooperation of keyway 12 and key, realize that the fixed of speed governing tooth 7 on pivot 4 cup joints, thereby the rotation through front double round 3 drives the rotation of speed governing tooth 7.

The flexible arc board 8 of installing in upper end of speed governing tooth 7, the vertical spout that is provided with of inner wall of regulating box 5, the vertical extension of lower extreme of arc board 8, and be provided with slider 11 on the outer wall of 8 flexion of arc board and vertical pole linkage segment, slider 11 slides and pegs graft in the spout, utilizes the cooperation of slider 11 and spout, realizes the vertical grafting installation of arc board 8 in regulating box 5.

The lower end of the arc plate 8 is provided with a wear-resistant layer 9 which is pressed on teeth of the speed regulation teeth 7, the upper end of the regulation box 5 is provided with a support 6, the upper end of the arc plate 8 is provided with a lifting rod 14 which extends to an inner cavity at the lower end of the straight support 6, the lifting rod 14 is provided with a folding pressure pipe 15, the outer wall of the upper end of the lifting rod 14 is vertically sleeved with a spring 13, the spring 13 is pressed between the lower end of the folding pressure pipe 15 and the upper end of the regulation box 5, the support 6 is provided with a threaded hole, a screw rod 17 is rotatably installed on the vertical thread in the threaded hole, the lower end of the screw rod 17 is provided with a pressure plate 16, the pressure plate 16 is pressed on the upper end face of the folding pressure pipe 15, the pressure plate 16 is pressed on the folding pressure pipe 15, the folding pressure pipe 15 is contracted while the extrusion on the lifting rod 14 is increased, so that the spring 13 is synchronously contracted, the arc plate 8 descends, and the wear-resistant layer 9 is adhered on the outer wall of the teeth of the speed regulation teeth 7, through the increase of friction between the wear-resistant layer 9 and the speed regulating teeth 7, the rotation friction of the rotating shaft 4 is improved, the speed of the small trolley is reduced, and the speed of the trolley is convenient to control.

One side of arc board 8 is rotated and is installed 7 tooth outer walls of laminating speed governing tooth and change board 10, the one end of arc board 8 is provided with the free bearing, the one end of changeing board 10 is rotated and is installed on the free bearing, the lower extreme slope laminating of changeing board 10 is on the tooth of speed governing tooth 7, the incline direction of changeing board 10 is the same with the direction that turns to of speed governing tooth 7, through the cooperation of changeing board 10 and speed governing tooth 7 of rotating the installation, when 7 corotation of speed governing tooth, change the trend that board 10 realized the tilt up under the effect of tooth, when backing a car the reversal, change 10 joints in the clearance of board 10 tooth, reach the purpose of the dead braking of card, the degree of consistency of marking has further been improved.

The working principle is as follows: firstly, the fixed sleeving of the speed regulation teeth 7 on the rotating shaft 4 is realized by the matching of the key grooves 12 and the keys, so that the rotation of the speed regulation teeth 7 is driven by the rotation of the front row of double wheels 3, and the vertical inserting installation of the arc plates 8 in the adjusting box 5 is realized by the matching of the sliding blocks 11 and the sliding grooves.

Realize the pushing down of clamp plate 16 through the rotation of screw rod 17, the folding pipe 15 of pressing plate 16 pressfitting, the folding extrusion of increasing simultaneously to lifter 14 of pressing pipe 15 shrink for spring 13 contracts in step, arc board 8 descends, and the wearing layer 9 laminating is on the tooth outer wall of speed governing tooth 7 this moment, through the increase of frictional between wearing layer 9 and the speed governing tooth 7, thereby improves the running friction of pivot 4, reduces the speed of small handcart, the control speed of being convenient for.

The incline direction of commentaries on classics board 10 is the same with the direction of turning to of speed governing tooth 7, through the cooperation of changeing board 10 and speed governing tooth 7 of rotating the installation, when speed governing tooth 7 corotation, changes the trend that board 10 realized the tilt up under the effect of tooth, when backing a car the reversal, changes the clearance of board 10 joint in tooth, reaches the purpose of the dead braking of card, has further improved the degree of consistency of marking.

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

Claims

1. The utility model provides a small handcart for road marking, includes the small handcart, the small handcart comprises wheel and frame (1), the wheel comprises the removal wheel of rear side and the directive wheel of front side, is provided with feed cylinder (2) that have the handle of pushing away on frame (1), its characterized in that: the directive wheel of small handcart sets up to front double round (3), connect through pivot (4) between a pair of gyro wheel in front double round (3), the interlude of pivot (4) runs through regulating box (5), be provided with fixed speed governing tooth (7) of cup jointing on pivot (4) in regulating box (5), the flexible arc board (8) of installing in the upper end of speed governing tooth (7), one side of arc board (8) is rotated and is installed commentaries on classics board (10) of laminating speed governing tooth (7) tooth outer wall, and the lower extreme of arc board (8) is provided with wearing layer (9) of pressfitting on speed governing tooth (7) tooth.

2. A dolly for a road marking according to claim 1, wherein: the upper end of the adjusting box (5) is provided with a support (6), the upper end of the arc plate (8) is provided with a lifting rod (14) extending to the inner cavity at the lower end of the straight support (6), and the lifting rod (14) is provided with a folding pressure pipe (15).

3. The cart for road markings according to claim 2, further comprising: the outer wall of the upper end of the lifting rod (14) is vertically sleeved with a spring (13), and the spring (13) is pressed between the lower end of the folding pressure pipe (15) and the upper end of the adjusting box (5).

4. A dolly for a road marking according to claim 3, wherein: the support (6) is provided with a threaded hole, a screw rod (17) is rotatably installed on the vertical threads in the threaded hole, a pressing plate (16) is arranged at the lower end of the screw rod (17), and the pressing plate (16) is pressed on the upper end face of the folding pressing pipe (15).

5. A dolly for a road marking according to claim 1, wherein: one end of the arc plate (8) is provided with a hinged support, one end of the rotating plate (10) is rotatably installed on the hinged support, the lower end of the rotating plate (10) is obliquely attached to teeth of the speed regulating teeth (7), and the oblique direction of the rotating plate (10) is the same as the steering direction of the speed regulating teeth (7).

6. The cart for road markings according to claim 1, further comprising: the adjusting box (5) is fixed on the frame (1), a sliding groove is vertically formed in the inner wall of the adjusting box (5), the lower end of the arc plate (8) vertically extends, a sliding block (11) is arranged on the outer wall of the bent portion of the arc plate (8) and the outer wall of the connecting section of the vertical rod, and the sliding block (11) is inserted in the sliding groove in a sliding mode.

7. A dolly for a road marking according to claim 1, wherein: a pair of key grooves (12) which are symmetrical up and down are arranged between the inner ring of the speed regulation tooth (7) and the outer wall of the rotating shaft (4), connecting keys are arranged in the key grooves (12), and the speed regulation tooth (7) is fixedly sleeved on the outer wall of the rotating shaft (4) through the matching of the key grooves (12) and the keys.