Municipal well lid tilting mechanism capable of saving manpower

Abstract

The municipal well lid tilting mechanism comprises a base, a supporting rod is fixedly connected to the top of the base, a storage groove is formed in the surface of the supporting rod, a lever assembly is rotatably connected to the top of an inner cavity of the storage groove, three connecting plates are fixedly connected to the bottom of the surface of the supporting rod at equal intervals, and the lever assembly comprises a hollow fixing rod; an adjusting rod is slidably connected to an inner cavity of the hollow fixing rod, a transmission box is fixedly connected to one end of the top of the hollow fixing rod, a worm is rotatably connected to the top of an inner cavity of the transmission box, a worm gear is rotatably connected to the bottom of the inner cavity of the transmission box, and the surface of the worm is in meshed connection with the surface of the worm gear; according to the manpower-saving municipal well lid tilting mechanism, the rotating wheel rotates to drive the worm and the worm gear to rotate, the worm gear rotates to drive the adjusting rod to move in the inner cavity of the transmission box, so that the length of the lever assembly is adjusted, and according to the lever principle, the longer the lever is, the more obvious the labor is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole cover tilting devices, in particular to a municipal manhole cover tilting mechanism that saves manpower. Background Technique

[0002] Manhole covers are used to cover roads or deep wells at home to prevent people or objects from falling. They can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. Generally, they are circular.

[0003] There is currently a disclosed Chinese utility model for a municipal manhole cover tilting device with the publication number: CN215208349U, which includes a base. A column is provided on the base. The top of the column is movably hinged with a lever. One end of the lever is provided with a handle, and the other end is provided with a hanging mechanism. The utility model for a municipal manhole cover tilting device aims to solve the problem that when the existing manhole covers are disassembled, a crowbar is usually used for disassembly, and it is very laborious for the user to disassemble the manhole cover with a crowbar. However, there are still the following problems:

[0004] The length of the lever of the above manhole cover tilting device cannot be adjusted according to the height of the user, and it is not convenient to store the lever when it is idle, which is not convenient for the transportation of the device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a municipal manhole cover tilting mechanism that saves manpower, so as to solve the problems that the length of the lever of the above manhole cover tilting device cannot be adjusted according to the height of the user, and it is not convenient to store the lever when it is idle, which is not convenient for the transportation of the device mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A municipal manhole cover tilting mechanism that saves manpower, including a base. A support rod is fixedly connected to the top of the base. A storage groove is opened on the surface of the support rod. The top of the inner cavity of the storage groove is rotatably connected with a lever assembly. Three connecting plates are fixedly connected to the bottom of the surface of the support rod at equal intervals. The lever assembly includes a hollow fixed rod. An adjusting rod is slidably connected to the inner cavity of the hollow fixed rod. One end of the top of the hollow fixed rod is fixedly connected with a transmission box. The top of the inner cavity of the transmission box is rotatably connected with a worm. The bottom of the inner cavity of the transmission box is rotatably connected with a worm gear, and the surface of the worm is meshed with the surface of the worm gear. A tooth groove is opened on one side of the adjusting rod. A side groove is opened on the surface of the hollow fixed rod, and the bottom of the worm gear passes through the side groove and is meshed with the inner cavity of the tooth groove. One end of the worm passes through the transmission box and is fixedly connected with a rotating wheel.

[0007] Preferably, one end of the adjusting rod is fixedly connected to two handles, one end of the lever assembly is provided with a mounting groove, the inner cavity of the mounting groove is fixedly connected to a connecting rod, and the adjusting rod is driven to rotate by the handles.

[0008] Preferably, a steel wire rope is wound around the surface of the connecting rod, a lifting plate is fixedly connected to the bottom of the steel wire rope, connecting hooks are fixedly connected to both ends of the bottom of the lifting plate, and the manhole cover is connected to the lever assembly through the connecting hooks via the steel wire rope.

[0009] Preferably, the bottom of the connecting plate is fixedly connected to a supporting leg, and the bottom of the supporting leg is fixedly connected to a supporting plate, so that the equipment is supported by the supporting leg and the supporting plate.

[0010] Preferably, a plug-in slot is provided on the top of one of the connecting plates, an L-shaped rod is slidably connected to the inner cavity of the plug-in slot, and a toggle block is fixedly connected to the top of the L-shaped rod for storing and positioning the lever assembly.

[0011] Preferably, a positioning groove is provided on one side of the hollow fixing rod, and one end of the L-shaped rod is engaged with the inner cavity of the positioning groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The rotation of the rotating wheel drives the rotation of the worm and the worm wheel, and the rotation of the worm wheel drives the adjusting rod to move in the inner cavity of the transmission box, thereby adjusting the length of the lever assembly. According to the lever principle, the longer the lever is, the more obvious the labor saving is;

[0014] By rotating the lever assembly in the opposite direction so that the bottom of the lever assembly enters the inner cavity of the storage groove, and then sliding the toggle block in the direction of the support rod so that one end of the L-shaped rod at the bottom of the toggle block enters the inner cavity of the storage groove and engages with the positioning groove, the lever assembly can be stored to facilitate the transportation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the lever assembly of the utility model;

[0017] Figure 3 It is an enlarged view of part A of the utility model;

[0018] Figure 4 It is a partial cross-sectional view of the lever assembly of the utility model.

[0019] In the figure: 1. base; 2. support rod; 3. storage slot; 4. lever assembly; 5. connecting plate; 6. hollow fixed rod; 7. adjustment rod; 8. transmission box; 9. worm; 10. worm wheel; 11. side groove; 12. tooth groove; 13. rotating wheel; 14. handle; 15. positioning groove; 16. installation groove; 17. connecting rod; 18. wire rope; 19. lifting plate; 20. connecting hook; 21. supporting leg; 22. supporting plate; 23. plug-in groove; 24. L-shaped rod; 25. toggle block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1-4 The utility model provides a labor-saving municipal manhole cover lifting mechanism, including a base 1, a support rod 2 is fixedly connected to the top of the base 1, a storage groove 3 is opened on the surface of the support rod 2, a lever assembly 4 is rotatably connected to the top of the inner cavity of the storage groove 3, three connecting plates 5 are equidistantly fixedly connected to the bottom of the surface of the support rod 2, the lever assembly 4 includes a hollow fixed rod 6, an adjusting rod 7 is slidably connected to the inner cavity of the hollow fixed rod 6, one end of the top of the hollow fixed rod 6 is fixedly connected to a transmission box 8, a worm 9 is rotatably connected to the top of the inner cavity of the transmission box 8, a worm wheel 10 is rotatably connected to the bottom of the inner cavity of the transmission box 8, and the worm 9 The surface of the worm 9 is meshed with the surface of the worm wheel 10, one end of the worm 9 passes through the transmission box 8 and is fixedly connected with a rotating wheel 13, a tooth groove 12 is provided on one side of the adjusting rod 7, a side groove 11 is provided on the surface of the hollow fixed rod 6, and the bottom of the worm wheel 10 passes through the side groove 11 and is meshed with the inner cavity of the tooth groove 12; the rotation of the rotating wheel 13 drives the rotation of the worm 9, the surface of the worm 9 is meshed with the surface of the worm wheel 10, thereby driving the rotation of the worm wheel 10, and the bottom of the worm wheel 10 is meshed with the tooth groove 12, thereby driving the adjusting rod 7 to move in the inner cavity of the transmission box 8, thereby adjusting the length of the lever assembly 4.

[0022] See also Figures 1-4 Furthermore, one end of the adjusting rod 7 is fixedly connected to two handles 14, one end of the lever assembly 4 is provided with a mounting groove 16, the inner cavity of the mounting groove 16 is fixedly connected to a connecting rod 17, the surface of the connecting rod 17 is wrapped with a steel wire rope 18, the bottom of the steel wire rope 18 is fixedly connected to a lifting plate 19, and both ends of the bottom of the lifting plate 19 are fixedly connected to connecting hooks 20. Move the equipment to the vicinity of the manhole cover, and connect the connecting hook 20 to one end of the manhole cover.

[0023] See also Figures 1-4 Furthermore, the bottom of the connecting plate 5 is fixedly connected to a support leg 21, and the bottom of the support leg 21 is fixedly connected to a support plate 22, so that the equipment is supported by the support leg 21 and the support plate 22.

[0024] See also Figures 1-4 Furthermore, a plug-in slot 23 is provided on the top of one of the connecting plates 5, and an L-shaped rod 24 is slidably connected to the inner cavity of the plug-in slot 23, and a toggle block 25 is fixedly connected to the top of the L-shaped rod 24. A positioning slot 15 is provided on one side of the hollow fixed rod 6, and one end of the L-shaped rod 24 is engaged with the inner cavity of the positioning slot 15. The lever assembly 4 is rotated in the opposite direction so that the bottom of the lever assembly 4 enters the inner cavity of the storage slot 3, and then the toggle block 25 is slid toward the direction of the support rod 2 so that one end of the L-shaped rod 24 at the bottom of the toggle block 25 enters the inner cavity of the storage slot 3 and is engaged with the positioning slot 15, so that the lever assembly 4 can be stored, which is convenient for the transportation of the equipment.

[0025] When in use, first move the device to the vicinity of the manhole cover, and connect the connecting hook 20 with one end of the manhole cover, then rotate the rotating wheel 13, and the rotation of the rotating wheel 13 drives the rotation of the worm 9, and the surface of the worm 9 is meshed and connected with the surface of the worm wheel 10, thereby driving the rotation of the worm wheel 10, and the bottom of the worm wheel 10 is meshed and connected with the tooth groove 12, thereby driving the adjusting rod 7 to move in the inner cavity of the transmission box 8, so as to adjust the length of the lever assembly 4. According to the principle of lever, the longer the lever is, the more obvious the labor saving is. Then, press the handle 14 obliquely downward by hand to lift the other end of the lever assembly 4, and tighten the wire rope 18 to tilt one end of the manhole cover. When the lever assembly 4 is idle, rotate the lever assembly 4 in the opposite direction so that the bottom of the lever assembly 4 enters the inner cavity of the storage groove 3, and then slide the toggle block 25 in the direction of the support rod 2, so that one end of the L-shaped rod 24 at the bottom of the toggle block 25 enters the inner cavity of the storage groove 3 and engages with the positioning groove 15, so that the lever assembly 4 can be stored, which is convenient for the transportation of the equipment.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manpower-saving municipal manhole cover lifting mechanism, including a base (1), characterized in that: The top of the base (1) is fixedly connected to a support rod (2), the surface of the support rod (2) is provided with a storage groove (3), the top of the inner cavity of the storage groove (3) is rotatably connected to a lever assembly (4), the bottom of the surface of the support rod (2) is equidistantly fixedly connected to three connecting plates (5), the lever assembly (4) comprises a hollow fixed rod (6), the inner cavity of the hollow fixed rod (6) is slidably connected to an adjusting rod (7), one end of the top of the hollow fixed rod (6) is fixedly connected to a transmission box (8), the transmission box (8 ) is rotatably connected to the top of the inner cavity of the transmission box (8), and the bottom of the inner cavity of the transmission box (8) is rotatably connected to the worm wheel (10), and the surface of the worm (9) is meshingly connected to the surface of the worm wheel (10), one side of the adjusting rod (7) is provided with a tooth groove (12), the surface of the hollow fixed rod (6) is provided with a side groove (11), and the bottom of the worm wheel (10) passes through the side groove (11) and is meshingly connected to the inner cavity of the tooth groove (12), and one end of the worm (9) passes through the transmission box (8) and is fixedly connected to a rotating wheel (13).

2. The man - power - saving municipal well - cover tilting mechanism according to claim 1, characterized in that: One end of the adjusting rod (7) is fixedly connected to two handles (14), one end of the lever assembly (4) is provided with a mounting groove (16), and the inner cavity of the mounting groove (16) is fixedly connected to a connecting rod (17).

3. The man - power - saving municipal well - cover tilting mechanism according to claim 2, wherein: A steel wire rope (18) is wound around the surface of the support rod (2), a lifting plate (19) is fixedly connected to the bottom of the steel wire rope (18), and connecting hooks (20) are fixedly connected to both ends of the bottom of the lifting plate (19).

4. A man - power saving municipal well - cover tilting mechanism according to claim 1, characterized in that: The bottom of the connecting plate (5) is fixedly connected to a supporting leg (21), and the bottom of the supporting leg (21) is fixedly connected to a supporting plate (22).

5. The man - power - saving municipal well - cover tilting mechanism according to claim 1, characterized in that: A plug-in slot (23) is provided on the top of one of the connection plates (5), an L-shaped rod (24) is slidably connected to the inner cavity of the plug-in slot (23), and a toggle block (25) is fixedly connected to the top of the L-shaped rod (24).

6. The man - power saving municipal well - cover tilting mechanism according to claim 1, characterized in that: A positioning groove (15) is provided on one side of the hollow fixing rod (6), and one end of the L-shaped rod (24) is clamped in the inner cavity of the positioning groove (15).

Images