Cable well lid lifting and carrying device
By designing a cable manhole cover lifting and handling device and utilizing a combination of telescopic load-bearing beams and lifting support rods, the problems of heavy cable manhole covers and difficulty in opening them are solved, enabling single-person operation and efficient handling.
Patent Information
- Application Number
- CN202422157372.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-09-03
AI Technical Summary
Existing power cable manhole covers are heavy and difficult to open, requiring the collaboration of multiple people, resulting in waste of manpower and inconvenient operation.
A cable manhole cover lifting and handling device is designed, which includes a telescopic load-bearing beam, a lifting support rod, a support foot and a lifting chain. By adjusting the distance of the lifting chain and hooking the manhole cover, the manhole cover is lifted using the lifting support rod and transported by moving wheels.
It enables single-person operation of lifting and moving of cable manhole covers, reducing labor costs and improving work efficiency.
Smart Images

Figure CN223385861U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a cable manhole cover lifting and transporting device, belonging to the field of power equipment. Background Art
[0002] Current power cable manhole covers are mostly made of cast iron and / or concrete. In order to enhance the compressive strength of the manhole covers, their thickness is relatively large, which increases the weight of the manhole covers. In addition, the gap between the edge of the manhole cover and the wellhead is often filled with dust and debris, making it very difficult to open the manhole cover.
[0003] When workers need to open the manhole cover for maintenance and repair, they often need two people to hold iron hooks to hook the opening hole on the manhole cover and work together to pull up the manhole cover, which wastes manpower and is inconvenient to operate. Utility Model Content
[0004] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a cable manhole cover lifting and handling device with a rational structural design.
[0005] The technical solution adopted by the present invention to solve the above problems is: the cable manhole cover lifting and handling device has the following structural features: it includes a telescopic load-bearing beam, a lifting support rod, a support foot, a movable wheel and a lifting chain, the lifting chain is arranged on the telescopic load-bearing beam, the two ends of the telescopic load-bearing beam are respectively connected to the top end of a lifting support rod, the bottom end of the lifting support rod is connected to the support foot, and the two ends of the support foot are respectively provided with a movable wheel.
[0006] Furthermore, the telescopic load-bearing beam includes an inner telescopic beam, an outer telescopic beam and a load-bearing beam latch, one end of the inner telescopic beam is arranged inside one end of the outer telescopic beam, and the inner telescopic beam and the outer telescopic beam are fixed by the load-bearing beam latch.
[0007] Furthermore, the other end of the inner telescopic beam and the other end of the outer telescopic beam are each fixed with a sleeve through a plug-in pin, and the two sleeves are each connected to a lifting support rod.
[0008] Furthermore, a telescopic bushing is provided between the inner telescopic beam and the outer telescopic beam.
[0009] Furthermore, a lifting chain is provided on each of the inner telescopic beam and the outer telescopic beam.
[0010] Furthermore, the lifting support rod includes an inner lifting rod, an outer lifting rod, a support rod pin and an electric push rod, one end of the inner lifting rod is connected to the telescopic load-bearing beam, the other end of the inner lifting rod is arranged inside one end of the outer lifting rod, the other end of the outer lifting rod is connected to the support foot, and the telescopic rod of the electric push rod is connected to the inner lifting rod through the support rod pin.
[0011] Furthermore, the outer lifting rod is arranged on the supporting foot through a clamp.
[0012] Furthermore, a lifting bushing is provided between the inner lifting rod and the outer lifting rod.
[0013] Furthermore, the support leg is provided with a wireless control module, a lithium battery, and a panel, and the panel is provided with a switch, a power display screen, and a charging port.
[0014] Furthermore, the lifting chain includes a lifting ring, a hook and a chain, the two ends of the chain are respectively connected to the lifting ring and the hook, the lifting ring is set on the telescopic load-bearing beam, and the hook is used to lift the cable manhole cover.
[0015] Compared with the existing technology, the utility model has the following advantages: the cable manhole cover lifting and transporting device can adjust the distance between the two lifting chains through the telescopic load-bearing beam to adapt to cable manhole covers of different lengths. The cable manhole cover is hooked by the provided lifting chain, and then the cable manhole cover is lifted by the lifting support rod. The lifting and transporting device can be pushed to complete the lifting and transport of the cable manhole cover. No manual lifting and transport is required, which reduces the investment in labor costs and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the cable manhole cover lifting and handling device according to an embodiment of the utility model.
[0017] Figure 2 It is a schematic cross-sectional view of a cable manhole cover lifting and handling device according to an embodiment of the present utility model.
[0018] Figure 3 It is a schematic cross-sectional view of a cable manhole cover lifting and handling device according to an embodiment of the present utility model.
[0019] In the figure: telescopic load-bearing beam 1, lifting support rod 2, support foot 3, moving wheel 4, lifting chain 5, cable manhole cover 6,
[0020] Inner telescopic beam 11, outer telescopic beam 12, load-bearing beam latch 13, sleeve 14, plug-in pin 15, telescopic bushing 16,
[0021] Inner lifting rod 21, outer lifting rod 22, support rod latch 23, electric push rod 24, clamp 25, lifting bushing 26,
[0022] Lifting ring 51 , hook 52 , chain 53 . DETAILED DESCRIPTION
[0023] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.
[0024] Example
[0025] See also Figures 1 to 3 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be considered as the scope of the implementation of the present invention without substantially changing the technical content.
[0026] The cable manhole cover lifting and handling device in this embodiment includes a telescopic load-bearing beam 1, a lifting support rod 2, a support leg 3, a movable wheel 4 and a lifting chain 5. The lifting chain 5 is arranged on the telescopic load-bearing beam 1. The two ends of the telescopic load-bearing beam 1 are respectively connected to the top of a lifting support rod 2, and the bottom end of the lifting support rod 2 is connected to the support leg 3. A movable wheel 4 is provided at each end of the support leg 3. A wireless control module, a lithium battery, and a panel are provided on the support leg 3. The panel is provided with a switch, a power display screen, and a charging port.
[0027] The telescopic load-bearing beam 1 in this embodiment includes an inner telescopic beam 11, an outer telescopic beam 12 and a load-bearing beam latch 13. One end of the inner telescopic beam 11 is arranged inside one end of the outer telescopic beam 12, and the inner telescopic beam 11 and the outer telescopic beam 12 are fixed by the load-bearing beam latch 13.
[0028] In this embodiment, the other end of the inner telescopic beam 11 and the other end of the outer telescopic beam 12 are each fixed with a sleeve 14 through a plug-in pin 15. The two sleeves 14 are each connected to a lifting support rod 2. A telescopic bushing 16 is provided between the inner telescopic beam 11 and the outer telescopic beam 12. A lifting chain 5 is provided on each of the inner telescopic beam 11 and the outer telescopic beam 12.
[0029] The lifting support rod 2 in this embodiment includes an inner lifting rod 21, an outer lifting rod 22, a support rod pin 23 and an electric push rod 24. One end of the inner lifting rod 21 is connected to the telescopic load-bearing beam 1, and the other end of the inner lifting rod 21 is arranged inside one end of the outer lifting rod 22. The other end of the outer lifting rod 22 is connected to the support foot 3, that is, the outer lifting rod 22 is arranged on the support foot 3 through a clamp 25, and the telescopic rod of the electric push rod 24 is connected to the inner lifting rod 21 through the support rod pin 23. A lifting bushing 26 is provided between the inner lifting rod 21 and the outer lifting rod 22.
[0030] The lifting chain 5 in this embodiment includes a lifting ring 51, a hook 52 and a chain 53. The two ends of the chain 53 are respectively connected to the lifting ring 51 and the hook 52. The lifting ring 51 is set on the telescopic load-bearing beam 1, and the hook 52 is used to lift the cable manhole cover 6.
[0031] Specifically, when in use, the cable manhole cover lifting and handling device can adjust the distance between the two lifting chains 5 according to the cable manhole cover 6, that is, push and pull the inner telescopic beam 11 to move in the outer telescopic beam 12, and fix the inner telescopic beam 11 and the outer telescopic beam 12 through the load-bearing beam pin 13, hook the hook 52 on the handle of the cable manhole cover 6, and drive the inner lifting rod 21 to rise through the electric push rod 24, and drive the telescopic load-bearing beam 1 and the lifting support rod 2 to rise through the inner lifting rod 21, thereby realizing the lifting action of the cable manhole cover 6, and pushing the cable manhole cover lifting and handling device to the specified position through the provided moving wheel 4, so as to realize the handling action of the cable manhole cover 6.
[0032] Telescopic load-bearing beam 1: Made of aluminum alloy, it is telescopic as a whole. The length adjustment of the inner telescopic beam 11 and the outer telescopic beam 12 is achieved through the load-bearing beam pin 13 and the positioning hole. The load-bearing beam pin 13 is used for fixing. The length is adjusted by 1.5-2.0 meters and the load-bearing capacity is 500Kg. Threaded holes are provided under the inner telescopic beam 11 and the outer telescopic beam 12. The lifting ring 51 is fixed to the inner telescopic beam 11 and the outer telescopic beam 12 through the threaded holes. The inner telescopic beam 11 and the outer telescopic beam 12 are fixed to the sleeve 14 through the sleeve 14.
[0033] Lifting support rod 2: lifting height 500mm, maximum load 500kg, lifting and lowering controlled by wireless remote control.
[0034] Lifting chain 5: There are two types of lifting chain 5. Lifting chain 5 is made of aluminum alloy and the chain can bear 500Kg.
[0035] Moving wheel 4: Heavy-duty iron core with brake, silent polyurethane anti-shock, load capacity 500kg.
[0036] All connections and supporting structures (high-strength aluminum profiles) of the cable manhole cover lifting and handling device are disassembled, and the connections are connected by plug-in pins to achieve quick disassembly and assembly. The overall net space dimensions of the device are: span 1.5-2.0 meters; height 1.0-1.5 meters; under the premise of meeting the lifting requirements, the center of the entire device is lowered, which makes it more stable when used and easy to carry; the support angles on both sides adopt an electric lifting structure with a lifting height of 500mm, and the hook and the cable manhole cover handle use a hook with a width of 10cm to prevent uneven force and forward and backward tilting. The two hooks are connected to the lifting ring above the load-bearing weight through a chain. When lifting the cable manhole cover, the rise and fall of the side support are controlled simultaneously by operating the wireless controller, so that the two hooks are lifted synchronously, and the cable manhole cover lifting work is completed (the wireless remote control is not drawn).
[0037] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is merely an example of the structure of the utility model. Any equivalent changes or simple changes made based on the structure, features and principles described in the concept of the utility model patent are included in the scope of protection of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should fall within the scope of protection of the utility model.
Claims
1. A cable manhole cover lifting and handling device, characterized in that: The invention comprises a telescopic load-bearing beam (1), a lifting support rod (2), a support leg (3), a movable wheel (4) and a lifting chain (5), wherein the lifting chain (5) is arranged on the telescopic load-bearing beam (1), the two ends of the telescopic load-bearing beam (1) are respectively connected to the top end of a lifting support rod (2), the bottom end of the lifting support rod (2) is connected to the support leg (3), and the two ends of the support leg (3) are respectively provided with a movable wheel (4).
2. The cable manhole cover lifting and handling device according to claim 1, characterized in that: The telescopic load-bearing beam (1) comprises an inner telescopic beam (11), an outer telescopic beam (12), and a load-bearing beam latch (13); one end of the inner telescopic beam (11) is arranged inside one end of the outer telescopic beam (12), and the inner telescopic beam (11) and the outer telescopic beam (12) are fixed by the load-bearing beam latch (13).
3. The cable manhole cover lifting and handling device according to claim 2, characterized in that: The other end of the inner telescopic beam (11) and the other end of the outer telescopic beam (12) are each fixed with a sleeve (14) via a plug-in pin (15), and the two sleeves (14) are each connected to a lifting support rod (2).
4. The cable manhole cover lifting and handling device according to claim 2, characterized in that: A telescopic bushing (16) is provided between the inner telescopic beam (11) and the outer telescopic beam (12).
5. The cable manhole cover lifting and handling device according to claim 2, characterized in that: A lifting chain (5) is respectively provided on the inner telescopic beam (11) and the outer telescopic beam (12).
6. The cable manhole cover lifting and handling device according to claim 1, characterized in that: The lifting support rod (2) comprises an inner lifting rod (21), an outer lifting rod (22), a support rod latch (23) and an electric push rod (24), one end of the inner lifting rod (21) is connected to the telescopic load-bearing beam (1), the other end of the inner lifting rod (21) is arranged inside one end of the outer lifting rod (22), the other end of the outer lifting rod (22) is connected to the support foot (3), and the telescopic rod of the electric push rod (24) is connected to the inner lifting rod (21) via the support rod latch (23).
7. The cable manhole cover lifting and handling device according to claim 6, characterized in that: The outer lifting rod (22) is arranged on the supporting foot (3) via a clamp (25).
8. The cable manhole cover lifting and handling device according to claim 6, characterized in that: A lifting bushing (26) is provided between the inner lifting rod (21) and the outer lifting rod (22).
9. The cable manhole cover lifting and handling device according to claim 6, characterized in that: The support foot (3) is provided with a wireless control module, a lithium battery, and a panel, and the panel is provided with a switch, a power display screen, and a charging port.
10. The cable manhole cover lifting and handling device according to claim 1, characterized in that: The lifting chain (5) comprises a lifting ring (51), a lifting hook (52) and a chain (53), wherein two ends of the chain (53) are respectively connected to the lifting ring (51) and the lifting hook (52), the lifting ring (51) is arranged on the telescopic load-bearing beam (1), and the lifting hook (52) is used for lifting the cable well cover (6).