CN210757025U

CN210757025U - Maintenance and rust removal device for bridge guardrail

Info

Publication number: CN210757025U
Application number: CN201921379276.XU
Authority: CN
Inventors: 吴强
Original assignee: Xuzhou Jinya Building Materials Co ltd
Current assignee: Xuzhou Jinya Building Materials Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-16
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a bridge guardrail maintenance rust cleaning device, including the handcart, the mounting groove has been seted up to the lower extreme lateral wall of handcart, and the bottom of mounting groove rotates through the carousel bearing and is connected with the threaded rod of vertical setting, the threaded rod runs through the upper end setting of handcart, threaded connection has the movable block on the threaded rod, and the inner wall of movable block set up with threaded rod assorted thread groove, the spacing traveller of two vertical settings of both sides lateral wall fixedly connected with of handcart, and two spacing travellers are located the both sides setting of threaded rod respectively, two spacing traveller all runs through the movable block setting, and movable block and spacing traveller sliding connection. The utility model discloses a set up the hand claw that two sets of elasticity opened and shut and at the front end installation wheel rotation of polishing, can reach the purpose that circular guardrail lateral wall rust stain on the clearance bridge of high efficiency is saved energy and time of maintenance personnel.

Description

Maintenance and rust removal device for bridge guardrail

Technical Field

The utility model relates to a bridge maintenance equipment technical field especially relates to a bridge railing maintenance rust cleaning device.

Background

In the modern society, bridges for transportation are visible everywhere, and various guardrails arranged on the bridges prevent accidents from happening anytime and anywhere, but the guardrails are exposed to wind and sunlight frequently and are corroded by various factors to rust, so that the attractiveness is influenced, and the safety is also concerned.

The existing bridge guardrail rust removal mainly depends on manual hand-held polishing machines to polish the side wall of the circular guardrail a little, the contact surface of the polishing machine and the circular guardrail is small, the polishing position is frequently adjusted by a human arm, the arm fatigue of maintenance personnel is easily caused, and the work efficiency of rust removal is reduced.

Therefore, the bridge guardrail maintenance and rust removal device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the contact surface of rust cleaning polisher and circular guardrail little, and need the staff arm frequently to adjust the problem of the position of polishing, and the maintenance of a bridge railing rust cleaning device who provides.

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

a maintenance and rust removal device for a bridge guardrail comprises a trolley, wherein a mounting groove is formed in the side wall of the lower end of the trolley, the bottom of the mounting groove is rotatably connected with a vertically arranged threaded rod through a turntable bearing, the threaded rod penetrates through the upper end of the trolley and is provided with a moving block in threaded connection, a threaded groove matched with the threaded rod is formed in the inner wall of the moving block, two vertically arranged limiting sliding columns are fixedly connected to the side walls of the two sides of the trolley, the two limiting sliding columns are respectively arranged on the two sides of the threaded rod and penetrate through the moving block, and the moving block is connected with the limiting sliding columns in a sliding manner;

the side wall of the moving block, which is far away from the trolley, is fixedly connected with a supporting arm through a first fixed block, one end of the supporting arm, which is far away from the moving block, is rotatably connected with a second fixed block through a rotary damper, the side walls on two sides of the second fixed block are rotatably connected with a group of claws through first rotating shafts, the first rotating shafts penetrate through the claws, two ends of each first rotating shaft are fixedly connected with a stop block, a torsion spring is sleeved at the position, close to the stop block, of each first rotating shaft, the side wall, close to the torsion spring, of each claw is fixedly connected with a first stop block, the side wall, close to the torsion spring, of the second fixed block is fixedly connected with a second stop block, two torsion arms of each torsion spring respectively abut against the first stop block and the second stop block, a polishing wheel is rotatably connected between each group of two claws through, and the output end of the driving motor penetrates through the paw and is fixedly connected with the polishing wheel.

Preferably, the side wall of the trolley far away from the moving block is fixedly connected with a hand push rod, and the hand push rod is made of metal materials.

Preferably, a drawer groove is formed in the side wall of the trolley, a drawer is connected to the drawer groove in a sliding mode through a drawer sliding rail, and the drawer is located below the hand push rod.

Preferably, the upper surface of bearing fixedly connected with handle, the handle adopts "it" font structure, and the hand department of handle adopts the cortex material.

Preferably, the bearing is embedded in the upper end of the trolley, and the threaded rod penetrates through the bearing.

Preferably, the bottom end of the trolley is rotatably connected with a plurality of self-locking universal wheels.

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

the utility model discloses: 1. through the paw that sets up two sets of elasticity and open and shut and settle two sets of wheels of polishing at the front end, can realize increaseing the contact surface with circular guardrail, and the circular guardrail lateral wall of automatic laminating of elasticity paw, the position of polishing need not frequently adjusted, has improved the efficiency of rust cleaning work.

2. Through set up the threaded rod in the handcart, utilize the limiting displacement of two spacing travelers, the movable block can realize steady vertical slip, sets up rotary damper on the support arm and has also made things convenient for the rotation of opponent's claw to adjust, conveniently deals with the circular guardrail of each angle, has improved the application scope of device.

Drawings

Fig. 1 is a schematic view of a front view structure of a maintenance and rust removal device for a bridge guardrail provided by the utility model;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a top view structure of a maintenance and rust removal device for a bridge guardrail provided by the utility model;

fig. 4 is a schematic structural diagram at B in fig. 3.

In the figure: the self-locking universal wheel comprises a trolley 1, a threaded rod 2, a bearing 3, a mounting groove 4, a turntable bearing 5, a handle 6, a moving block 7, a first fixing block 8, a supporting arm 9, a threaded groove 10, a rotary damper 11, a second fixing block 12, a claw 13, a first rotating shaft 14, a torsion spring 15, a first limiting block 16, a second limiting block 17, a second rotating shaft 18, a polishing wheel 19, a limiting sliding column 20, a limiting stop block 21, a driving motor 22, a hand push rod 23, a drawer groove 24, a handle 25, a drawer 26 and a self-locking universal wheel 27.

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.

Referring to fig. 1-4, a maintenance and rust removal device for a bridge guardrail comprises a trolley 1, a hand push rod 23 is fixedly connected to the side wall of the trolley 1 far away from a moving block 7, the hand push rod 23 is made of metal, the hand push rod 23 made of metal is firmer and not easy to damage, a plurality of self-locking universal wheels 27 are rotatably connected to the bottom end of the trolley 1, the device is prevented from rotating randomly in use, a drawer groove 24 is formed in the side wall of the trolley 1, a drawer 26 is slidably connected to the drawer groove 24 through a drawer sliding rail, the drawer 26 can facilitate maintenance personnel to store tools, convenience is brought to maintenance work, the drawer 26 is positioned below the hand push rod 23, a bearing 3 is embedded at the upper end of the trolley 1, the threaded rod 2 penetrates through the bearing 3, the bearing 3 fixes the threaded rod 2, so that the threaded rod 2 cannot shake back and forth when rotating, and forth, the upper surface of the bearing 3 is fixedly connected with a handle 6, the handle 6 is of a zigzag structure, and the hand-operated part of the handle 6 is made of leather materials, so that the zigzag structure can save more labor for maintenance personnel and the leather structure has better hand feeling;

the side wall of the lower end of the handcart 1 is provided with a mounting groove 4, the bottom of the mounting groove 4 is rotationally connected with a vertically arranged threaded rod 2 through a turntable bearing 5, the turntable bearing 5 not only plays a role of supporting the threaded rod 2, but also plays a role of guiding the threaded rod 2 to rotate, the threaded rod 2 penetrates through the upper end of the handcart 1, a movable block 7 is sleeved on the threaded rod 2, the inner wall of the moving block 7 is provided with a thread groove 10 matched with the threaded rod 2, the side walls of the two sides of the handcart 1 are fixedly connected with two vertically arranged limiting sliding columns 20, two limiting sliding columns 20 are respectively arranged at two sides of the threaded rod 2, the two limiting sliding columns 20 are arranged by penetrating through the moving block 7, the moving block 7 is connected with the limiting sliding columns 20 in a sliding way, when the threaded rod 2 is rotated through the handle 6, the limit sliding column 20 limits the axial rotation of the moving block 7, so that the moving block 7 can move up and down under the action of thread occlusion;

the side wall of the moving block 7 far away from the trolley 1 is fixedly connected with a supporting arm 9 through a first fixing block 8, one end of the supporting arm 9 far away from the moving block 7 is rotatably connected with a second fixing block 12 through a rotary damper 11, the rotary damper 11 can enable the second fixing block 12 to rotate, so that the grinding surface of a grinding wheel 19 can be adjusted to conveniently correspond to round guardrails with various angles, the side walls of two sides of the second fixing block 12 are rotatably connected with a group of claws 13 through a first rotating shaft 14, the first rotating shaft 14 penetrates through the claws 13, two ends of two first rotating shafts 14 are fixedly connected with stoppers 21, a torsion spring 15 is sleeved at the position, close to the stoppers 21, of the first rotating shaft 14, a first limiting block 16 is fixedly connected to the side wall of the claw 13 close to the torsion spring 15, a second limiting block 17 is fixedly connected to the side wall of the second fixing block 12 close to the torsion spring 15, and two torsion arms of the torsion spring 15 respectively abut against, when the grinding wheel 19 rolls along the side wall of the circular guardrail, the torsion spring 15 arranged on the paw 13 is forced to contract inwards by external force, two torque arms of the torsion spring 15 react on the paw 13 under the limiting action of the first limiting column 16 and the second limiting column 17 in a torsion mode, the paw 13 rebounds to the side wall of the circular guardrail, the grinding wheel 19 is tightly attached to the circular guardrail, rust cleaning is more thorough, the grinding wheel 19 is rotatably connected between each two paws 13, the side wall of one paw 13 is fixedly connected with the driving motor 22, the type of the driving motor 22 is RS380SH, the output end of the driving motor 22 penetrates through the paw 13 and is fixedly connected with the grinding wheel 19, when the driving motor 22 is started, the driving motor 22 rotates to drive the grinding wheel 19 to rotate, and grinding of the bridge guardrail is achieved.

When the utility model is used, the handcart 1 is firstly pushed to the front of a rusty round guardrail, the handle 6 is rotated to further drive the rotation of the threaded rod 2 vertically arranged in the handcart 1, the limit sliding post 20 limits the axial rotation of the moving block 7, so the moving block 7 can move up and down under the acting force of the thread occlusion, the polishing wheel 19 can polish guardrails with different heights, after the height of the polishing wheel 19 is adjusted, the angle of the polishing wheel 19 is adjusted through the rotary damper 11, so that the two polishing wheels 19 can polish the vertically arranged bridge guardrail and also polish the transversely arranged bridge guardrail, then the driving motor 22 is started, the driving motor 22 drives the polishing wheel 19 to rotate, the handcart 1 is pushed to the guardrail direction to enable the polishing wheel 19 to extrude towards the side wall of the round guardrail, and the polishing wheel 19 enters from the side wall of the guardrail, so that the two polishing wheels 19 can clamp and polish the guardrail, when promoting handcart 1, the thrust that the hand was applyed forces two paws 13 to open, the torsion spring 15 that sets up on the paw 13 inwards contracts, two torque arms torsion reaction is in the paw 13 under the limiting displacement of first spacing post 16 and second spacing post 17, make two polish wheel 19 be close to each other, thereby two polish wheel 19 can hug closely the outer wall of guardrail, polish wheel 19 like this can walk along the outer wall of guardrail, realize the thorough rust cleaning to the guardrail surface under the cooperation of the propelling movement around handcart 1 simultaneously.

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 maintenance and rust removal device for a bridge guardrail comprises a trolley (1) and is characterized in that the side wall of the lower end of the trolley (1) is provided with a mounting groove (4), the bottom of the mounting groove (4) is rotationally connected with a vertically arranged threaded rod (2) through a turntable bearing (5), the threaded rod (2) penetrates through the upper end of the trolley (1), a moving block (7) is connected to the threaded rod (2) in a threaded manner, and the inner wall of the moving block (7) is provided with a thread groove (10) matched with the threaded rod (2), two vertically arranged limiting sliding columns (20) are fixedly connected with the side walls of the two sides of the trolley (1), the two limiting sliding columns (20) are respectively arranged at two sides of the threaded rod (2), the two limiting sliding columns (20) penetrate through the moving block (7), and the moving block (7) is connected with the limiting sliding columns (20) in a sliding mode;

the side wall of the moving block (7) far away from the trolley (1) is fixedly connected with a supporting arm (9) through a first fixing block (8), one end of the supporting arm (9) far away from the moving block (7) is rotatably connected with a second fixing block (12) through a rotary damper (11), the side walls of the two sides of the second fixing block (12) are rotatably connected with a group of claws (13) through first rotating shafts (14), the first rotating shafts (14) penetrate through the claws (13), two ends of the two first rotating shafts (14) are fixedly connected with stop blocks (21), torsion springs (15) are sleeved at the positions, close to the stop blocks (21), of the first rotating shafts (14), first limiting blocks (16) are fixedly connected to the side walls, close to the torsion springs (15), of the claws (13), and second limiting blocks (17) are fixedly connected to the side walls, close to the torsion springs (15), of the second fixing block (12), two torque arms of the torsion spring (15) are respectively abutted against a first limiting block (16) and a second limiting block (17), each group is two, a polishing wheel (19) is rotatably connected between the claws (13) through a second rotating shaft (18), one of the claws (13) is fixedly connected with a driving motor (22), and the output end of the driving motor (22) penetrates through the claws (13) and is fixedly connected with the polishing wheel (19).

2. The maintenance and rust removal device for the bridge guardrail as claimed in claim 1, wherein a hand push rod (23) is fixedly connected to the side wall of the trolley (1) far away from the moving block (7), and the hand push rod (23) is made of metal.

3. The maintenance and rust removal device for the bridge guardrail according to claim 2, wherein a drawer groove (24) is formed in the side wall of the trolley (1), a drawer (26) is slidably connected in the drawer groove (24) through a drawer sliding rail, and the drawer (26) is located below the hand push rod (23).

4. The maintenance and rust removal device for the bridge guardrail as claimed in claim 1, wherein the bearing (3) is embedded at the upper end of the trolley (1), and the threaded rod (2) is arranged to penetrate through the bearing (3).

5. The maintenance and rust removal device for the bridge guardrails according to claim 1, characterized in that a handle (6) is fixedly connected to the upper surface of the bearing (3), the handle (6) adopts a zigzag structure, and the hand-cranking portion of the handle (6) is made of a leather material.

6. A maintenance and rust removal device for bridge guardrails according to claim 1, characterized in that a plurality of self-locking universal wheels (27) are rotatably connected to the bottom end of the trolley (1).