Decorative manhole cover vertical lifting device

Abstract

The utility model discloses a decorative manhole cover vertical hoist lifting device, including hoist lifting mounting panel, one end of hoist lifting mounting panel is rotatoryly installed with fixed square tube cover, and the fixed square tube cover is fixed with the connection square tube of sleeve joint, the rear wheel body is installed through the steering adjustment component on hoist lifting mounting panel, and the hoist lifting mounting panel is provided with the push adjustment component between fixed square tube cover, two front wheel bodies are installed through locking positioning component on the connection square tube, and the movable sleeve is movably installed on the connection square tube, and the manhole cover hoist lifting assembly is arranged on the movable sleeve, this decorative manhole cover vertical hoist lifting device, set locking positioning component, according to the width of manhole cover, adjust the position of two front wheel bodies, satisfy the hoist lifting demand, set manhole cover hoist lifting assembly, then according to the width of manhole cover, adjust the position of two movable sleeves on the connection square tube, and the manhole cover hoist block is installed on the square manhole cover, realizes hoist lifting obstruction.

Description

Technical Field

[0001] This utility model relates to the field of manhole cover lifting technology, and in particular to a vertical lifting device for decorative manhole covers. Background Technology

[0002] Manhole covers are facilities that cover the entrances of inspection wells for underground pipelines, cables, etc. in cities. Their main functions are to prevent falls and facilitate pipeline maintenance. They can be classified into metal, resin, and other types according to their materials. They are widely used in scenarios such as driveways and sidewalks, and their technical parameters include different load ratings.

[0003] To ensure the aesthetics of the ground, many commercial districts uniformly use square marble manhole covers with metal edging on all four sides. The edging decoration serves an aesthetic purpose. When opening the manhole cover, it is necessary to ensure that all four sides of the square manhole cover are raised vertically at the same time to prevent damage to the corners. At the same time, when resetting the manhole cover, it is also necessary to ensure that it is lowered vertically. Therefore, a vertical lifting device for decorative manhole covers is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a vertical lifting device for decorative manhole covers, which solves the aforementioned problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A decorative manhole cover vertical lifting device includes a lifting mounting plate. A fixed square tube sleeve is rotatably mounted on one end of the lifting mounting plate. A connecting square tube is fixedly sleeved on the fixed square tube sleeve. A rear wheel body is mounted on the lifting mounting plate via a steering adjustment component. A push adjustment component is provided between the lifting mounting plate and the fixed square tube sleeve. Two front wheel bodies are mounted on the connecting square tube via a locking positioning component. A movable sleeve is movably mounted on the connecting square tube, and a manhole cover lifting component is provided on the movable sleeve.

[0006] Preferably, the push adjustment assembly includes a rotating connecting seat fixedly installed on the top of the lifting mounting plate, and a manual hydraulic push rod is rotatably connected between the rotating connecting seat and the fixed square tube sleeve.

[0007] Preferably, the steering adjustment assembly includes a rear wheel connecting shaft rotatably mounted on a lifting mounting plate, a rear wheel body rotatably mounted on the rear wheel connecting shaft, and a rear wheel steering adjustment rod mounted on the top of the rear wheel connecting shaft.

[0008] Preferably, the locking and positioning assembly includes an adjusting sleeve movably mounted on the connecting square tube, a front wheel connecting frame fixedly mounted at the bottom of the adjusting sleeve, and the front wheel body rotatably mounted on the front wheel connecting frame.

[0009] Preferably, the adjusting sleeve is fitted with a threaded sleeve, and a clamping stud is threaded onto the threaded sleeve, with one end of the clamping stud being adapted to the top of the connecting square tube.

[0010] Preferably, the manhole cover hoisting assembly includes a connecting groove fixedly installed at the bottom of the movable sleeve, a hook ring is hung on the connecting groove, a horizontal lifting rod is fixedly installed at the bottom of the hook ring, and a central adjustment hole is opened at the top of the horizontal lifting rod.

[0011] Preferably, a height adjustment stud is installed on the central adjustment hole, and an adjustment nut is threaded onto the height adjustment stud. The adjustment nut is located above the horizontal lifting rod, and a manhole cover lifting block is fixedly installed at the bottom end of the height adjustment stud.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: The decorative manhole cover vertical lifting device is equipped with a locking and positioning component that adjusts the position of the two front wheel bodies according to the width of the manhole cover to meet the lifting requirements. The manhole cover lifting component then adjusts the position of the two movable sleeves on the connecting square tube according to the width of the manhole cover. The manhole cover lifting block is installed on the square manhole cover to achieve lifting obstruction. The push adjustment component is equipped with a manual hydraulic push rod. After pushing, the connecting square tube will move upward, thereby lifting the manhole cover at the bottom. The rear wheel steering adjustment rod can control the orientation of the rear wheel body during the lifting and transportation process, thus facilitating transportation to the designated location. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention viewed from the left side; Figure 2 This is a three-dimensional structural diagram of the present invention viewed from the right side; Figure 3 This is a partial cross-sectional structural diagram of the present invention.

[0014] In the diagram: 1. Lifting mounting plate; 2. Fixed square tube sleeve; 3. Connecting square tube; 4. Rear wheel connecting shaft; 5. Rear wheel body; 6. Rear wheel steering adjustment rod; 7. Rotating connecting seat; 8. Manual hydraulic push rod; 9. Adjusting sleeve; 10. Front wheel connecting frame; 11. Front wheel body; 12. Threaded sleeve; 13. Clamping stud; 14. Movable sleeve; 15. Connecting hanging groove; 16. Hook ring; 17. Horizontal lifting rod; 18. Central adjustment hole; 19. Height adjustment stud; 20. Adjusting nut; 21. Manhole cover lifting block. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example: Refer to Figure 1-3 A decorative manhole cover vertical lifting device includes a lifting mounting plate 1, a fixed square tube sleeve 2 rotatably mounted on one end of the lifting mounting plate 1, a connecting square tube 3 fixedly sleeved on the fixed square tube sleeve 2, a rear wheel body 5 mounted on the lifting mounting plate 1 via a steering adjustment component, a push adjustment component provided between the lifting mounting plate 1 and the fixed square tube sleeve 2, two front wheel bodies 11 mounted on the connecting square tube 3 via a locking positioning component, a movable sleeve 14 movably mounted on the connecting square tube 3, and a manhole cover lifting component provided on the movable sleeve 14.

[0017] Furthermore, the locking and positioning assembly includes an adjusting sleeve 9 movably mounted on the connecting square tube 3. A front wheel connecting frame 10 is fixedly mounted on the bottom of the adjusting sleeve 9. The front wheel body 11 is rotatably mounted on the front wheel connecting frame 10. A threaded sleeve 12 is installed on the adjusting sleeve 9. A clamping stud 13 is threadedly installed on the threaded sleeve 12. One end of the clamping stud 13 is adapted to the top of the connecting square tube 3. The entire hoisting equipment is pushed above the manhole cover. The position of the front wheel body 11 is adjusted according to the width of the manhole cover. The adjusting sleeve 9 can move on the connecting square tube 3. The position can be adjusted to facilitate the adjustment of the two sides of the front wheel body 11. After adjustment, the clamping stud 13 is rotated. After the clamping stud 13 rotates, it moves down and presses tightly on the connecting square tube 3, which can fix the position of the adjusting sleeve 9 of the bar shaft.

[0018] Furthermore, the manhole cover lifting assembly includes a connecting groove 15 fixedly installed at the bottom of the movable sleeve 14. A hook ring 16 is attached to the connecting groove 15. A horizontal lifting rod 17 is fixedly installed at the bottom of the hook ring 16. A central adjustment hole 18 is opened at the top of the horizontal lifting rod 17. A height adjustment stud 19 is installed on the central adjustment hole 18. An adjustment nut 20 is threaded on the height adjustment stud 19. The adjustment nut 20 is located above the horizontal lifting rod 17. A manhole cover lifting block 21 is fixedly installed at the bottom of the height adjustment stud 19. Then, according to the width of the manhole cover, the positions of the two movable sleeves 14 on the connecting square tube 3 are adjusted. Then, the height adjustment stud 19 and the manhole cover lifting block 21 are placed on the square manhole cover to achieve lifting obstruction. Rotating the adjustment nut 20 moves the height adjustment stud 19 upward. The square manhole cover can be positioned by means of the four sides.

[0019] Furthermore, the push adjustment assembly includes a rotating connecting seat 7 fixedly installed on the top of the lifting mounting plate 1. A manual hydraulic push rod 8 is rotatably connected between the rotating connecting seat 7 and the fixed square tube sleeve 2. The steering adjustment assembly includes a rear wheel connecting shaft 4 rotatably installed on the lifting mounting plate 1. The rear wheel body 5 is rotatably installed on the rear wheel connecting shaft 4. A rear wheel steering adjustment rod 6 is installed on the top of the rear wheel connecting shaft 4. When the manual hydraulic push rod 8 is activated, the lifting mounting plate 1 and the fixed square tube sleeve 2 will rotate under the action of the front and rear wheels, and the connecting square tube 3 will move upward, thereby lifting the manhole cover at the bottom. The rear wheel steering adjustment rod 6 can control the position of the rear wheel body 5 during the lifting and transportation process, thus facilitating transportation to the designated location.

[0020] In use: During the lifting of the decorative manhole cover, adjust the position of the front wheel body 11 according to the width of the manhole cover, and then adjust the position of the two movable sleeves 14 on the connecting square tube 3 according to the width of the manhole cover. Then, adjust the height adjustment stud 19, place the manhole cover lifting block 21 on the square manhole cover to achieve lifting obstruction. The square manhole cover can be positioned by the four sides. Start the manual hydraulic push rod 8 to move the connecting square tube 3 upward, thereby lifting the manhole cover at the bottom. The rear wheel steering adjustment rod 6 can control the orientation of the rear wheel body 5 during the lifting and transportation process, so as to facilitate transportation to the designated place and make it convenient to use.

[0021] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A decorative manhole cover vertical lifting device, comprising a lifting mounting plate (1), characterized in that, One end of the lifting mounting plate (1) is rotatably mounted with a fixed square tube sleeve (2), and a connecting square tube (3) is fixedly sleeved on the fixed square tube sleeve (2). The lifting mounting plate (1) is mounted with a rear wheel body (5) through a steering adjustment component. A push adjustment component is provided between the lifting mounting plate (1) and the fixed square tube sleeve (2). The connecting square tube (3) is mounted with two front wheel bodies (11) through a locking positioning component. A movable sleeve (14) is movably mounted on the connecting square tube (3). A manhole cover lifting component is provided on the movable sleeve (14).

2. The decorative manhole cover vertical lifting device according to claim 1, characterized in that, The push adjustment assembly includes a rotating connecting seat (7) fixedly installed on the top of the lifting mounting plate (1), and a manual hydraulic push rod (8) is rotatably connected between the rotating connecting seat (7) and the fixed square tube sleeve (2).

3. The decorative manhole cover vertical lifting device according to claim 1, characterized in that, The steering adjustment assembly includes a rear wheel connecting shaft (4) rotatably mounted on a lifting mounting plate (1), a rear wheel body (5) rotatably mounted on the rear wheel connecting shaft (4), and a rear wheel steering adjustment rod (6) mounted on the top of the rear wheel connecting shaft (4).

4. The decorative manhole cover vertical lifting device according to claim 1, characterized in that, The locking and positioning assembly includes an adjusting sleeve (9) movably mounted on the connecting square tube (3), a front wheel connecting frame (10) fixedly mounted at the bottom of the adjusting sleeve (9), and a front wheel body (11) rotatably mounted on the front wheel connecting frame (10).

5. The decorative manhole cover vertical lifting device according to claim 4, characterized in that, The adjusting sleeve (9) is fitted with a threaded sleeve (12), and a clamping stud (13) is threaded onto the threaded sleeve (12). One end of the clamping stud (13) is adapted to the top of the connecting square tube (3).

6. The decorative manhole cover vertical lifting device according to claim 1, characterized in that, The manhole cover hoisting assembly includes a connecting groove (15) fixedly installed at the bottom of the movable sleeve (14), a hook ring (16) is attached to the connecting groove (15), a horizontal lifting rod (17) is fixedly installed at the bottom of the hook ring (16), and a central adjustment hole (18) is opened at the top of the horizontal lifting rod (17).

7. The decorative manhole cover vertical lifting device according to claim 6, characterized in that, A height adjustment stud (19) is installed on the central adjustment hole (18), and an adjustment nut (20) is threaded on the height adjustment stud (19). The adjustment nut (20) is located above the horizontal lifting rod (17), and a well cover lifting block (21) is fixedly installed at the bottom end of the height adjustment stud (19).

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