An electrically powered opening device for a manhole cover

Abstract

The utility model relates to the technical field of manhole cover electric opening, and disclose a kind of manhole cover electric opening equipment, the outside of mounting seat is fixedly connected with connecting seat, the top of connecting seat is provided with threaded hole, the inside threaded hole is connected with threaded bolt, the bottom of threaded bolt is fixedly connected with support leg, the bottom of support leg is fixedly connected with universal wheel, the middle of connecting seat is provided with limit slot, the middle side of connecting seat is fixedly connected with hydraulic rod, by setting hydraulic rod, mounting plate, connecting rod, hook etc. are used in cooperation, by hydraulic rod to push mounting plate to move up, mounting plate is moved up by pulling connecting rod, connecting rod will be driven manhole cover to move up by hook, connecting rod will be under the limit of limit slot, and manhole cover is stably lifted, to avoid manhole cover to shake in lifting process, to realize the electric opening of manhole cover, without staff manpower opening, reduce the labor burden of staff, improve work efficiency, facilitate staff use.

Description

Technical Field

[0001] This utility model relates to the field of electric manhole cover opening technology, specifically to an electric manhole cover opening device. Background Technology

[0002] Manhole covers are the top seals of entrances and exits to underground facilities. Because they need to withstand the load of vehicles for a long time, these manhole covers are thicker and heavier than other manhole covers. Stainless steel manhole covers and cast iron manhole covers can weigh 100 to 300 kilograms. Due to the increased weight, they are difficult to open manually and require workers to use tools to open them.

[0003] The existing manhole covers are difficult to open manually. Opening these manhole covers often requires a lot of effort from the workers due to their weight, which greatly increases their workload and affects the efficiency of their work, making them inconvenient for workers to use. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an electric manhole cover opening device to solve the problem mentioned in the background art of the difficulty of manually opening existing manhole covers. Opening these manhole covers is often done manually, but due to the weight of the manhole cover itself, opening the manhole cover requires a lot of effort from the workers, greatly increasing their workload and affecting work efficiency, thus making it inconvenient for workers to use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electric manhole cover opening device, including a mounting base, a connecting base fixedly connected to the outer side of the mounting base, a threaded hole on the top of the connecting base, a threaded bolt threadedly connected to the inside of the threaded hole, a support leg fixedly connected to the bottom of the threaded bolt, a caster wheel fixedly connected to the bottom of the support leg, a limit groove in the middle of the connecting base, a hydraulic rod fixedly connected to the middle side of the connecting base, a mounting plate fixedly connected to the top of the hydraulic rod, mounting grooves on both sides of the top of the mounting plate, a connecting rod slidably connected to the inner wall of the mounting groove, a limit block fixedly connected to the top of the connecting rod, an operating handle fixedly connected to the top of the limit block, a traction rope fixedly connected to the bottom of the connecting rod, and a hook fixedly connected to the bottom of the traction rope.

[0006] Preferably, there are several connectors arranged in a circular array on the outside of the mounting base, with the same spacing between the connectors, and each connector has a threaded hole on its top.

[0007] Preferably, there are several threaded bolts, the diameter of which is adapted to the diameter of several threaded holes, the several threaded bolts are respectively located inside the several threaded holes, and the bottom of each of the several threaded bolts is fixedly connected to a support leg.

[0008] By using the above technical solution, and by setting up threaded bolts, threaded holes, and connecting seats in combination, the threaded bolts can be screwed out of the threaded holes by rotating the support leg, thereby separating the support leg from the mounting seat and disassembling the support leg. This allows workers to quickly disassemble and assemble the support leg, making it convenient for them to use.

[0009] Preferably, there are two limiting grooves, which are symmetrically distributed on both sides of the top of the mounting base, and both limiting grooves penetrate the inner wall of the mounting base and are connected to the bottom of the mounting base.

[0010] Preferably, there are two connecting rods, each located inside one of the two limiting grooves, and the diameter of the two connecting rods is adapted to the width of the inner wall of the two limiting grooves, and the two connecting rods are in contact with the inner wall of the two limiting grooves.

[0011] By adopting the above technical solution, and by setting up connecting rods, limiting grooves, and operating handles in combination, the connecting rod can be pulled out from the limiting groove and the mounting groove by holding the operating handle and lifting it upwards, thereby separating the hook from the mounting base. This disassembles the equipment into multiple parts, greatly reducing the size of the equipment, making it easier to store and transport, and making it easier for staff to use.

[0012] Preferably, there are two limiting blocks, each located at the top of one of the two connecting rods, and the diameter of each limiting block is greater than the width of the mounting groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This electric manhole cover opening device uses a hydraulic rod, mounting plate, connecting rod, and hook in conjunction. The hydraulic rod pushes the mounting plate upward, which in turn pulls the connecting rod upward. The connecting rod then moves the manhole cover upward via the hook. Under the limit of the limiting groove, the connecting rod stably lifts the manhole cover, preventing it from shaking during the lifting process. This achieves electric opening of the manhole cover, eliminating the need for manual operation, reducing the workload of workers, improving work efficiency, and making it convenient for workers to use.

[0015] 2. This electric manhole cover opening device uses a combination of threaded bolts, threaded holes, and connecting seats. By rotating the support leg, the threaded bolt can be screwed out of the threaded hole, thus separating the support leg from the mounting seat. The support leg can then be disassembled. By holding the operating handle and lifting it upwards, the connecting rod can be pulled out from the limiting groove and the mounting groove, thus separating the hook from the mounting seat. This disassembles the device into multiple parts, greatly reducing its size, making it easier to store and transport, and facilitating its use by workers. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the mounting base structure of this utility model;

[0019] Figure 4 This is a bottom view of the mounting base of this utility model.

[0020] Figure 5 This is a schematic diagram of the connecting rod structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the support leg structure of this utility model.

[0022] In the diagram: 1. Mounting base; 2. Connecting base; 3. Threaded hole; 4. Limiting groove; 5. Hydraulic rod; 6. Mounting plate; 7. Mounting groove; 8. Connecting rod; 9. Limiting block; 10. Traction rope; 11. Hook; 12. Operating handle; 13. Threaded bolt; 14. Support leg; 15. Caster wheel. Detailed Implementation

[0023] 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.

[0024] Example 1:

[0025] Please refer to the following: Figure 1-5An electric manhole cover opening device includes a mounting base 1, a connecting base 2 fixedly connected to the outer side of the mounting base 1, a threaded hole 3 on the top of the connecting base 2, and several connecting bases 2 arranged in a circular array on the outer side of the mounting base 1, with equal spacing between them. Each connecting base 2 has a threaded hole 3 on its top, a threaded bolt 13 threadedly connected to the inside of the threaded hole 3, a support leg 14 fixedly connected to the bottom of the threaded bolt 13, a caster wheel 15 fixedly connected to the bottom of the support leg 14, a limit groove 4 in the middle of the connecting base 2, and a hydraulic... The top of the hydraulic rod 5 is fixedly connected to the mounting plate 6. The mounting plate 6 has mounting grooves 7 on both sides of the top. The inner wall of the mounting groove 7 is slidably connected to the connecting rod 8. There are two connecting rods 8. The two connecting rods 8 are located inside the two limiting grooves 4 respectively. The diameter of the two connecting rods 8 is adapted to the width of the inner wall of the two limiting grooves 4. The two connecting rods 8 are in contact with the inner wall of the two limiting grooves 4. The top of the connecting rod 8 is fixedly connected to the limiting block 9. The top of the limiting block 9 is fixedly connected to the operating handle 12. The bottom of the connecting rod 8 is fixedly connected to the traction rope 10. The bottom of the traction rope 10 is fixedly connected to the hook 11.

[0026] Working principle: In use, the operator moves the device to the top of the manhole cover to be opened using the casters 15. Then, the operator operates the handle 12 to slide the connecting rods 8 along the limiting groove 4, adjusting the position of the two connecting rods 8 to align with the holes on the manhole cover. The operator then hooks the hook 11 into the hole of the manhole cover. Next, the operator activates the hydraulic rod 5, which pushes the mounting plate 6 upwards. The mounting plate 6, through the mounting groove 7, causes the limiting block 9 to rise. The rising of the limiting block 9 pulls the connecting rods 8 upwards, which in turn causes the manhole cover to rise through the hook 11. Under the constraint of the limiting groove 4, the connecting rods 8 stably lift the manhole cover, thus achieving electric opening of the manhole cover. This eliminates the need for manual opening, reducing the operator's workload, improving work efficiency, and making the device easier for operators to use.

[0027] Compared with related technologies, the electric manhole cover opening device provided by this utility model has the following beneficial effects: by setting up a hydraulic rod 5, a mounting plate 6, a connecting rod 8, a hook 11, etc., the hydraulic rod 5 pushes the mounting plate 6 to move upward, the mounting plate 6 pulls the connecting rod 8 to move upward, and the connecting rod 8 will drive the manhole cover to move upward through the hook 11. Under the limit of the limiting groove 4, the connecting rod 8 will stably lift the manhole cover and avoid shaking during the lifting process, thereby realizing the electric opening of the manhole cover. It eliminates the need for manual opening by staff, reduces the labor burden of staff, improves work efficiency, and is convenient for staff to use.

[0028] Example 2:

[0029] Please refer to the following: Figure 1-6 A connecting seat 2 is fixedly connected to the outer side of the mounting base 1. A threaded hole 3 is provided on the top of the connecting seat 2. A threaded bolt 13 is threadedly connected inside the threaded hole 3. A support leg 14 is fixedly connected to the bottom of the threaded bolt 13. There are several threaded bolts 13, the diameter of which matches the diameter of several threaded holes 3. The several threaded bolts 13 are located inside several threaded holes 3, and the bottom of each threaded bolt 13 is fixedly connected to a support leg 14. A caster wheel 15 is fixedly connected to the bottom of the support leg 14. A hydraulic rod 5 is fixedly connected to the middle side of the connecting seat 2. The top is fixedly connected to a mounting plate 6. Mounting grooves 7 are provided on both sides of the top of the mounting plate 6. Connecting rods 8 are slidably connected to the inner wall of the mounting grooves 7. There are two connecting rods 8. The two connecting rods 8 are located inside the two limiting grooves 4 respectively. The diameter of the two connecting rods 8 is adapted to the width of the inner wall of the two limiting grooves 4. The two connecting rods 8 are in contact with the inner wall of the two limiting grooves 4. A limiting block 9 is fixedly connected to the top of the connecting rod 8. An operating handle 12 is fixedly connected to the top of the limiting block 9. A traction rope 10 is fixedly connected to the bottom of the connecting rod 8. A hook 11 is fixedly connected to the bottom of the traction rope 10.

[0030] Working principle: When in use, the operator can rotate the support leg 14 to drive the threaded bolt 13 out of the threaded hole 3, thereby separating the support leg 14 from the mounting base 1 and disassembling the support leg 14. By holding the operating handle 12 and lifting it upward, the connecting rod 8 can be pulled out from the limiting groove 4 and the mounting groove 7, thereby separating the hook 11 from the mounting base 1. This disassembles the equipment into multiple parts, greatly reducing the size of the equipment and making it convenient for storage and transportation. During assembly, the above operations can be reversed to complete the installation, which is convenient for the operator to quickly disassemble and assemble, making it easy for the operator to use.

[0031] Compared with related technologies, the electric manhole cover opening device provided by this utility model has the following beneficial effects: by setting up a threaded bolt 13, a threaded hole 3, a connecting seat 2, etc., the threaded bolt 13 can be screwed out of the threaded hole 3 by rotating the support leg 14, thereby separating the support leg 14 from the mounting seat 1, and then disassembling the support leg 14. By holding the operating handle 12 and lifting it upward, the connecting rod 8 can be pulled out from the limiting groove 4 and the mounting groove 7, thereby separating the hook 11 from the mounting seat 1. This disassembles the device into multiple parts, greatly reducing the size of the device, making it convenient for storage and transportation, and easy for workers to use.

[0032] 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 manhole cover electric opening device, comprising a mounting base (1), characterized in that: A connecting seat (2) is fixedly connected to the outer side of the mounting base (1). A threaded hole (3) is provided on the top of the connecting seat (2). A threaded bolt (13) is threadedly connected inside the threaded hole (3). A support leg (14) is fixedly connected to the bottom of the threaded bolt (13). A caster wheel (15) is fixedly connected to the bottom of the support leg (14). A limit groove (4) is provided in the middle of the connecting seat (2). A hydraulic rod (5) is fixedly connected to the middle side of the connecting seat (2). The top of the hydraulic rod (5) is fixedly connected to a mounting plate (6). The mounting plate (6) has mounting grooves (7) on both sides of its top. A connecting rod (8) is slidably connected to the inner wall of the mounting groove (7). A limit block (9) is fixedly connected to the top of the connecting rod (8). An operating handle (12) is fixedly connected to the top of the limit block (9). A traction rope (10) is fixedly connected to the bottom of the connecting rod (8). A hook (11) is fixedly connected to the bottom of the traction rope (10).

2. The electric manhole cover opening device according to claim 1, characterized in that: The number of connecting seats (2) is several, and the several connecting seats (2) are arranged in a ring array on the outside of the mounting base (1). The spacing between the several connecting seats (2) is the same, and the top of the several connecting seats (2) is provided with threaded holes (3).

3. The electric manhole cover opening device according to claim 1, characterized in that: The number of threaded bolts (13) is several, the diameter of several threaded bolts (13) is adapted to the diameter of several threaded holes (3), the several threaded bolts (13) are respectively located inside several threaded holes (3), and the bottom of several threaded bolts (13) is fixedly connected to a support leg (14).

4. The electric manhole cover opening device according to claim 1, characterized in that: There are two limiting grooves (4). The two limiting grooves (4) are symmetrically distributed on both sides of the top of the mounting base (1). Both limiting grooves (4) penetrate the inner wall of the mounting base (1) and are connected to the bottom of the mounting base (1).

5. The electric manhole cover opening device according to claim 1, characterized in that: There are two connecting rods (8). The two connecting rods (8) are located inside the two limiting grooves (4) respectively. The diameter of the two connecting rods (8) is adapted to the width of the inner wall of the two limiting grooves (4), and the two connecting rods (8) are in contact with the inner wall of the two limiting grooves (4).

6. The electric manhole cover opening device according to claim 1, characterized in that: There are two limiting blocks (9), which are located on the top of the two connecting rods (8) respectively, and the diameter of the two limiting blocks (9) is greater than the width of the mounting groove (7).

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