Well lid lifting equipment

Abstract

The utility model discloses well lid lifting equipment, which belongs to the technical field of underground gas pipeline construction and comprises a support rod arranged at a corresponding position above the ground, one end of the support rod is fixedly connected with a support frame, and a steel wire rope is arranged at a corresponding position below the support rod. An adjusting assembly used for adjusting the steel wire rope is arranged between one end of the steel wire rope and the surface of the supporting rod, a well lid hook is fixedly installed at the other end of the steel wire rope, and a jack is arranged at the corresponding position below the other end of the supporting rod. A fixing assembly used for fixing one end of the supporting rod is arranged between the output end of the jack and the surface of the supporting rod. According to the manhole cover opening device, the supporting rod, the supporting frame, the steel wire rope, the manhole cover hook and the jack are used in cooperation, a manhole cover can be conveniently opened, operation is easy, convenient and rapid, the manhole cover opening efficiency is improved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground gas pipeline construction, in particular to a manhole cover lifting device. Background Art

[0002] In the process of urban construction, the construction of underground gas pipelines is indispensable. Therefore, there are many manhole covers on the roads of cities and towns. Underground gas pipelines are equipped with many gate wells. When maintaining underground gas pipelines, the gate well covers need to be opened. However, the gate well covers are not easy to be opened after long-term use. Therefore, we need to propose a manhole cover lifting device. Utility Model Content

[0003] The purpose of the present invention is to provide a manhole cover lifting device with a structure that is convenient for opening the manhole cover, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a manhole cover lifting device, comprising a support rod arranged at a corresponding position above the ground, one end of the support rod is fixedly connected to a support frame, a steel wire rope is arranged at a corresponding position below the support rod, an adjustment component for adjusting the steel wire rope is arranged between one end of the steel wire rope and the surface of the support rod, a manhole cover hook is fixedly installed on the other end of the steel wire rope, a jack is arranged at a corresponding position below the other end of the support rod, and a fixing component for fixing one end of the support rod is arranged between the output end of the jack and the surface of the support rod.

[0005] Preferably, the adjustment assembly includes an adjustment slot opened on the surface of the support rod, an adjustment rod is rotatably connected inside the adjustment slot, one end of the adjustment rod passes through the adjustment slot and extends to one end of the support rod and is fixedly connected to an adjustment handle.

[0006] Preferably, an adjustment block is adapted to be provided inside the adjustment groove, one end of the adjustment block is threadedly connected to the surface of the adjustment rod, and one end of the adjustment block is slidably connected to the inner cavity of the adjustment groove through the adjustment rod, and the other end of the adjustment block is penetrated by a connection hole.

[0007] Preferably, the adjustment assembly also includes a shackle fixedly mounted on one end of the wire rope, one end of the shackle is adapted to fit the interior of the connecting hole, and one end of the wire rope is fixed to the lower end of the adjustment block through the shackle and the connecting hole.

[0008] Preferably, the fixing assembly includes a slot hole extending through one end of the surface of the support rod and a fixing block fixedly installed on the top of the jack. The interior of the slot hole is adapted to match the surface of the fixing block. A limiting mechanism is provided on one side of the slot hole and located inside one end of the support rod, and the fixing block is fixed to the inner cavity of the slot hole through the limiting mechanism.

[0009] Preferably, the limiting mechanism includes a limiting cavity opened inside one end of the support rod and located on one side of the slot hole, the internal sliding connection of the limiting cavity is connected to the limiting rod, one end of the limiting rod passes through one end of the limiting cavity and extends to the inside of the slot hole, the other end of the limiting rod passes through the other end of the limiting cavity and extends to one end of the support rod and is fixedly connected to a pull plate.

[0010] Preferably, a limiting plate is fixedly installed on the surface of the limiting rod and located inside the limiting cavity, and a telescopic spring is provided on one side of the limiting plate and located on the surface of the limiting rod, and one end of the telescopic spring is fixedly installed on the inner wall of one end of the limiting cavity.

[0011] Preferably, the limiting mechanism further includes a limiting hole extending through one side of the fixing block, the limiting hole is adapted to match one end of the limiting rod, and one end of the limiting rod is inserted into the limiting hole.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model cooperates with the support rod, the support frame, the wire rope, the manhole cover hook and the jack. The device utilizes the principle of lever. First, the support frame is placed on the ground next to the manhole cover, and the support frame is used to support one end of the support rod, so that the support frame is used as the fulcrum of the lever. Then, one end of the wire rope is fixed to the surface of the support rod, and the other end is fixedly connected to the manhole cover hook. Then, one end of the manhole cover hook is passed through a through hole in the top of the manhole cover and enters the bottom of the manhole cover, and the manhole cover hook is allowed to counteract the bottom of the manhole cover. Finally, the output end of the jack is used to lift the other end of the support rod, so that the manhole cover can be opened easily. The operation is simple, convenient and quick, which improves the efficiency of opening the manhole cover and increases the practicality of the device.

[0014] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the structures indicated in the description and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic structural diagram of the utility model;

[0017] Figure 3 This is a schematic structural diagram of the limiting mechanism of the utility model;

[0018] Figure 4 This is a structural diagram of the adjustment tank of the utility model.

[0019] In the figure: 1. Support rod; 2. Support frame; 3. Wire rope; 4. Manhole cover hook; 5. Jack; 6. Adjustment slot; 7. Adjustment rod; 8. Adjustment handle; 9. Adjustment block; 10. Connecting hole; 11. Shackle; 12. Slot hole; 13. Fixing block; 14. Limiting mechanism; 141. Limiting cavity; 142. Limiting rod; 143. Pull plate; 144. Limiting plate; 145. Telescopic spring; 146. Limiting hole. DETAILED DESCRIPTION

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

[0021] See also Figure 1-4 The utility model provides a manhole cover lifting device, including a support rod 1, a support frame 2, a wire rope 3, an adjustment component, a manhole cover hook 4, a jack 5 and a fixing component.

[0022] The support rod 1 is arranged at a corresponding position above the ground, one end of the support rod 1 is fixedly connected to the support frame 2, a steel wire rope 3 is arranged at a corresponding position below the support rod 1, an adjustment component for adjusting the steel wire rope 3 is arranged between one end of the steel wire rope 3 and the surface of the support rod 1, the other end of the steel wire rope 3 is fixedly installed with a manhole cover hook 4, a jack 5 is arranged at a corresponding position below the other end of the support rod 1, and a fixing component for fixing one end of the support rod 1 is arranged between the output end of the jack 5 and the surface of the support rod 1.

[0023] Specifically, through the coordinated use of the support rod 1, the support frame 2, the wire rope 3, the manhole cover hook 4 and the jack 5, this device utilizes the principle of lever. First, the support frame 2 is placed on the ground next to the manhole cover, and the support frame 2 is used to support one end of the support rod 1, so that the support frame 2 is used as the fulcrum of the lever, and then one end of the wire rope 3 is fixed to the surface of the support rod 1, and the other end is fixedly connected to the manhole cover hook 4. Then, one end of the manhole cover hook 4 is passed through a through hole in the top of the manhole cover and enters the bottom of the manhole cover, and the manhole cover hook 4 is allowed to be offset against the bottom of the manhole cover. Finally, the output end of the jack 5 is used to lift the other end of the support rod 1, so that the manhole cover can be opened easily. The operation is simple, convenient and fast, which improves the efficiency of opening the manhole cover and increases the practicality of the device.

[0024] The adjustment assembly includes: an adjustment slot 6, an adjustment rod 7, an adjustment handle 8, an adjustment block 9, a connecting hole 10 and a shackle 11. The adjustment slot 6 is opened on the surface of the support rod 1, and the adjusting slot 6 is internally rotatably connected to the adjusting rod 7. One end of the adjusting rod 7 passes through the adjustment slot 6 and extends to one end of the support rod 1 and is fixedly connected to the adjusting handle 8. The interior of the adjustment slot 6 is adapted to be provided with an adjustment block 9. One end of the adjustment block 9 is threadedly connected to the surface of the adjusting rod 7, and one end of the adjustment block 9 is slidingly connected to the inner cavity of the adjusting slot 6 through the adjusting rod 7. The other end of the adjustment block 9 is penetrated by a connecting hole 10. The shackle 11 is fixedly installed on one end of the wire rope 3. One end of the shackle 11 is adapted to the inside of the connecting hole 10, and one end of the wire rope 3 is fixed to the lower end of the adjustment block 9 through the shackle 11 and the connecting hole 10.

[0025] Specifically, by using the adjustment slot 6, the adjustment rod 7, the adjustment handle 8 and the adjustment block 9 in coordination, the wire rope 3 can be adjusted to an appropriate position, and the wire rope 3 can be used to pull the manhole cover hook 4 to open the manhole cover, thereby preventing the wire rope 3 from tilting and shaking and affecting the opening of the manhole cover. By using the connection hole 10 and the shackle 11 in coordination, the wire rope 3 can be easily installed or removed from the surface of the support rod 1, which is convenient for storing and preserving the device, and can also facilitate the maintenance or replacement of the wire rope 3 and the manhole cover hook 4.

[0026] The fixing assembly includes: a slot 12, a fixing block 13 and a limiting mechanism 14. The slot 12 is opened through one end of the surface of the support rod 1, and the fixing block 13 is fixedly installed on the top of the jack 5. The interior of the slot 12 is adapted to the surface of the fixing block 13. A limiting mechanism 14 is provided on one side of the slot 12 and located inside one end of the support rod 1, and the fixing block 13 is fixed to the inner cavity of the slot 12 through the limiting mechanism 14.

[0027] Specifically, by using the slot 12, the fixing block 13 and the limiting mechanism 14 in conjunction with each other, one end of the support rod 1 can be easily connected to or removed from the top of the jack 5, making it convenient to transport and store the device.

[0028] The limiting mechanism 14 includes: a limiting cavity 141, a limiting rod 142, a pull plate 143, a limiting plate 144, a telescopic spring 145 and a limiting hole 146. The limiting cavity 141 is opened inside one end of the support rod 1 and is located on one side of the slot 12. The internal sliding connection of the limiting cavity 141 is connected to the limiting rod 142. One end of the limiting rod 142 passes through one end of the limiting cavity 141 and extends to the inside of the slot 12. The other end of the limiting rod 142 passes through the other end of the limiting cavity 141 and extends to one end of the support rod 1 for fixing. It is connected to a pull plate 143, a limiting plate 144 is fixedly installed on the surface of the limiting rod 142 and located inside the limiting cavity 141, and a telescopic spring 145 is provided on one side of the limiting plate 144 and located on the surface of the limiting rod 142. One end of the telescopic spring 145 is fixedly installed on the inner wall of one end of the limiting cavity 141, and a limiting hole 146 is opened through one side of the fixed block 13. The limiting hole 146 is adapted to one end of the limiting rod 142, and one end of the limiting rod 142 is inserted into the inside of the limiting hole 146.

[0029] Specifically, by using the limiting cavity 141, the limiting rod 142, the pull plate 143, the limiting plate 144, the telescopic spring 145 and the limiting hole 146 in combination, the fixing block 13 can be conveniently fixed inside the slot 12, and the operation is convenient and quick.

[0030] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A manhole cover lifting device, characterized in that: The invention comprises a support rod (1) provided at a corresponding position above the ground, one end of the support rod (1) is fixedly connected to a support frame (2), a steel wire rope (3) is provided at a corresponding position below the support rod (1), an adjustment component for adjusting the steel wire rope (3) is provided between one end of the steel wire rope (3) and the surface of the support rod (1), a manhole cover hook (4) is fixedly installed at the other end of the steel wire rope (3), a jack (5) is provided at a corresponding position below the other end of the support rod (1), and a fixing component for fixing one end of the support rod (1) is provided between the output end of the jack (5) and the surface of the support rod (1).

2. A manhole cover lifting device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment slot (6) formed on the surface of the support rod (1); an adjustment rod (7) is rotatably connected to the interior of the adjustment slot (6); one end of the adjustment rod (7) passes through the adjustment slot (6) and extends to one end of the support rod (1) and is fixedly connected to an adjustment handle (8).

3. The manhole cover lifting device according to claim 2, characterized in that: An adjusting block (9) is adapted to be provided inside the adjusting groove (6), one end of the adjusting block (9) is threadedly connected to the surface of the adjusting rod (7), and one end of the adjusting block (9) is slidably connected to the inner cavity of the adjusting groove (6) through the adjusting rod (7), and the other end of the adjusting block (9) is penetrated by a connecting hole (10).

4. The manhole cover lifting device according to claim 3, characterized in that: The adjustment assembly further comprises a shackle (11) fixedly mounted on one end of the steel wire rope (3), one end of the shackle (11) being adapted to the interior of the connecting hole (10), and one end of the steel wire rope (3) being fixed to the lower end of the adjustment block (9) through the shackle (11) and the connecting hole (10).

5. The manhole cover lifting device according to claim 1, characterized in that: The fixing assembly comprises a slotted hole (12) extending through one end of the surface of the support rod (1) and a fixing block (13) fixedly mounted on the top of the jack (5); the interior of the slotted hole (12) is adapted to the surface of the fixing block (13); a limiting mechanism (14) is provided on one side of the slotted hole (12) and located inside one end of the support rod (1); and the fixing block (13) is fixed to the inner cavity of the slotted hole (12) through the limiting mechanism (14).

6. The manhole cover lifting device according to claim 5, characterized in that: The limiting mechanism (14) includes a limiting cavity (141) opened inside one end of the support rod (1) and located on one side of the slot hole (12); the limiting cavity (141) is internally slidably connected to a limiting rod (142); one end of the limiting rod (142) passes through one end of the limiting cavity (141) and extends to the inside of the slot hole (12); the other end of the limiting rod (142) passes through the other end of the limiting cavity (141) and extends to one end of the support rod (1) and is fixedly connected to a pull plate (143).

7. The manhole cover lifting device according to claim 6, characterized in that: A limiting plate (144) is fixedly installed on the surface of the limiting rod (142) and located inside the limiting cavity (141); a telescopic spring (145) is provided on one side of the limiting plate (144) and located on the surface of the limiting rod (142); one end of the telescopic spring (145) is fixedly installed on the inner wall of one end of the limiting cavity (141).

8. The manhole cover lifting device according to claim 7, characterized in that: The limiting mechanism (14) further comprises a limiting hole (146) extending through one side of the fixing block (13); the limiting hole (146) is adapted to be arranged to match one end of the limiting rod (142); and one end of the limiting rod (142) is inserted into the interior of the limiting hole (146).

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