Convenient well lid lifter for municipal engineering

Abstract

The utility model discloses a convenient well lid lifter for municipal engineering, and relates to the field of municipal engineering, the convenient well lid lifter for municipal engineering comprises a bottom plate and a clamping column, the bottom of the clamping column is provided with a dismounting assembly, and the dismounting assembly comprises a positioning hole, two limiting grooves, a cavity formed in the bottom of the clamping column and a limiting ring connected to the lower portion of the outer wall of the clamping column in a sleeved mode. The dismounting assembly is arranged, the clamping head at the top end of a new steel wire rope is inserted into the cavity, the positioning column is clamped into the positioning hole so that the clamping head can be positioned, then the limiting ring is rotated in the reverse direction, the limiting ring can move downwards, meanwhile, the pressing rod is pressed, the pressing rod drives the limiting block to move, and the steel wire rope can be dismounted. The limiting block stretches the spring and moves into the limiting groove, the limiting ring moves downwards to make contact with the end of the pressing rod, then the pressing rod is limited, in this way, installation of the clamping head can be completed, the disassembling and assembling process is simple and convenient, the steel wire rope and the clamping head can be independently taken down for replacement, and then the replacement efficiency of the steel wire rope is improved.

Description

Technical Field

[0001] The utility model relates to the field of municipal engineering, in particular to a convenient manhole cover lifter for municipal engineering. Background Art

[0002] Municipal engineering refers to municipal infrastructure construction projects; various public infrastructure construction supporting urban life falls within the scope of municipal engineering, such as common urban roads, bridges, subways, underground pipelines, tunnels, rivers, rail transit, sewage treatment, garbage disposal and other projects, all fall within the scope of municipal engineering. In order to prevent the blockage of sewers in the city, it is necessary to regularly clean up the debris in the sewers. When cleaning the sewers, you first need to lift the manhole cover at the sewer entrance, so you need to use a lift to lift the manhole cover.

[0003] According to a Chinese patent with publication number CN218058378U, a convenient manhole cover lifter for municipal engineering is disclosed. The utility model facilitates lifting the manhole cover by providing a driving device, a lifting device and a connecting component. There is no need to lift the manhole cover manually, which saves time and effort, thereby reducing labor intensity and facilitating operation and use.

[0004] In view of the above-disclosed patent content, a lifting mechanism and a connecting assembly are provided, and the pull rope on the connecting assembly is tied to the pull ring of the manhole cover. Then, the connecting assembly is moved up by the lifting mechanism, thereby driving the pull rope to move up, so as to achieve the purpose of lifting the manhole cover. After the pull rope is pulled for a period of time, it may break. After breaking, the pull rope needs to be replaced to ensure that the lifter can continue to be used. However, the pull rope is fixed at the bottom end of the connecting assembly, so that when replacing the pull rope, the entire connecting assembly needs to be disassembled before the pull rope can be replaced. The replacement process is more cumbersome, and the remaining structures on the connecting assembly will also be replaced together, which will increase the replacement cost and reduce the efficiency of replacing the pull rope. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a convenient manhole cover lifter for municipal engineering to solve the technical problem that it is difficult to quickly remove the pull rope for replacement.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient manhole cover lifter for municipal engineering, comprising a base plate and a clamping column, a disassembly and assembly component is provided at the bottom of the clamping column, and the disassembly and assembly component comprises a positioning hole, two limit grooves, a cavity opened at the bottom of the clamping column and a limit ring sleeved under the outer wall of the clamping column, springs are installed on both sides of the interior of the cavity, and one end of the spring is connected to a limit block extending to the interior of the limit groove, a pressure rod extending to the outside of the clamping column is installed on one side of the limit block, a clamping joint is inserted into the interior of the cavity, and a wire rope is connected to the bottom of the clamping joint, and a positioning column is installed above the interior of the cavity.

[0007] By adopting the above technical solution, when the wire rope needs to be replaced, the user rotates the limit ring so that the limit ring moves up and no longer contacts the pressure rod, and the spring contracts at this time.

[0008] Furthermore, a support seat is installed on one side of the top of the base plate, a groove is opened on one side of the support seat, and a motor is installed on the top of the support seat.

[0009] By adopting the above technical solution, the support seat can support the motor, and the groove can limit the movable seat to prevent the movable seat from rotating.

[0010] Furthermore, the output end of the motor is connected to a screw rod extending into the groove, and the outer wall of the screw rod is sleeved with a movable seat.

[0011] By adopting the above technical solution, when the manhole cover needs to be lifted, the user can start the motor, and the motor can drive the screw rod to rotate, thereby moving the movable seat upward.

[0012] Furthermore, a lifting plate is installed on one side of the movable seat, and the movable seat is threadedly connected to the screw rod.

[0013] By adopting the above technical solution, when the movable seat moves, it will drive the lifting plate to move, and the lifting plate can drive the installation plate and the clamping column to move.

[0014] Furthermore, a mounting groove is provided on the top of the lifting plate, and a mounting plate is clamped inside the mounting groove.

[0015] By adopting the above technical solution, the installation groove is arranged so that the installation disk can be clamped inside it, which facilitates the positioning of the installation disk.

[0016] Furthermore, a clamping column penetrating the mounting groove is provided at the bottom of the mounting plate, and fastening bolts extending into the interior of the lifting plate are installed on both sides of the top of the mounting plate.

[0017] By adopting the above technical solution, the fastening bolts can mount the mounting plate on the lifting plate, so as to improve the stability of the mounting plate.

[0018] Furthermore, a guide rod is provided on the other side of the top of the bottom plate, and the top end of the guide rod passes through the lifting plate.

[0019] By adopting the above technical solution, the setting of the guide rod can guide the lifting plate and improve the stability of the lifting plate when it moves.

[0020] Furthermore, rollers are installed around the bottom of the base plate.

[0021] By adopting the above technical solution, the rollers are arranged so that the lifter can move, thereby improving the convenience of moving the lifter.

[0022] Furthermore, threads are provided on the lower part of the outer wall of the clamping column and the inner wall of the limiting ring, and the limiting ring is threadedly connected to the clamping column.

[0023] By adopting the above technical solution, the limiting ring can be rotated and moved on the outer wall of the clamping column.

[0024] Furthermore, one end of the pressure rod is in contact with the limiting ring, and the limiting block is adapted to the limiting groove.

[0025] By adopting the above technical solution, the limiting ring can limit the pressure rod to prevent the pressure rod from moving at will.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] The utility model is provided with a disassembly and assembly component. When the wire rope needs to be replaced, the user rotates the limit ring so that the limit ring moves up and no longer contacts the pressure rod. At this time, the spring contracts and drives the limit block to return to its original position, so that the limit block moves out of the limit groove. At this time, the clamping joint is no longer limited. Then the user can pull the clamping joint downward to remove the clamping joint from the cavity. Then, the clamping joint at the top of the new wire rope is inserted into the cavity and the positioning column is clamped in the positioning hole to position the clamping joint. Then, the limit ring is rotated in the opposite direction to move the limit ring downward and press the pressure rod at the same time, so that the pressure rod drives the limit block to move, and the limit block stretches the spring and moves into the limit groove. The limit ring moves downward and contacts the end of the pressure rod, thereby limiting the pressure rod. In this way, the installation of the clamping joint can be completed. The disassembly and assembly process is simple and convenient, and the wire rope and the clamping joint can be removed and replaced separately, thereby improving the replacement efficiency of the wire rope. At the same time, there is no need to replace the entire connecting assembly, thereby avoiding increasing the replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0029] Figure 2 It is a schematic diagram of the overall front section structure of the utility model;

[0030] Figure 3 This is a schematic diagram of the three-dimensional structure of the clamping column of the utility model when viewed from above;

[0031] Figure 4 This is a schematic diagram of the three-dimensional structure of the card connector of the utility model;

[0032] Figure 5 For the utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0033] In the figure: 1. bottom plate; 2. roller; 3. guide rod; 4. support seat; 5. motor; 6. groove; 7. screw rod; 8. top plate; 9. disassembly and assembly components; 901. cavity; 902. positioning column; 903. positioning hole; 904. limit block; 905. limit groove; 906. spring; 907. pressure rod; 908. limit ring; 10. movable seat; 11. lifting plate; 12. installation groove; 13. installation plate; 14. clamping joint; 15. wire rope; 16. clamping column. DETAILED DESCRIPTION

[0034] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0035] The following describes an embodiment of the utility model based on its overall structure.

[0036] Embodiment 1:

[0037] A convenient manhole cover lifter for municipal engineering, such as Figure 1-Figure 5 As shown, it includes a base plate 1 and a column 16, a disassembly and assembly component 9 is provided at the bottom of the column 16, a support seat 4 is installed on one side of the top of the base plate 1, a groove 6 is opened on one side of the support seat 4, a motor 5 is installed on the top of the support seat 4, the output end of the motor 5 is connected to a screw rod 7 extending to the inside of the groove 6, and the outer wall of the screw rod 7 is sleeved with a movable seat 10, the outer wall of the movable seat 10 is fitted with the inner wall of the groove 6, the support seat 4 can support the motor 5, and the groove 6 can limit the movable seat 10 to prevent the movable seat 10 from rotating. When the manhole cover needs to be lifted, the user can start the motor 5, and the motor 5 can drive the screw rod 7 to rotate, thereby moving the movable seat 10 up, and rollers 2 are installed around the bottom of the base plate 1. The rollers 2 are arranged so that the lifter can move, thereby improving the convenience of the lifter when moving.

[0038] See also Figure 1-Figure 4 A lifting plate 11 is installed on one side of the movable seat 10, and the movable seat 10 is threadedly connected to the screw rod 7. When the movable seat 10 moves, it will drive the lifting plate 11 to move, and the lifting plate 11 can drive the mounting plate 13 and the clamping column 16 to move. A mounting groove 12 is opened on the top of the lifting plate 11, and the mounting groove 12 is clamped with the mounting plate 13 inside. The mounting groove 12 is set so that the mounting plate 13 can be clamped inside it, which is convenient for positioning the mounting plate 13. The bottom of the mounting plate 13 is provided with a clamping column 16 that runs through the mounting groove 12. Fastening bolts extending to the inside of the lifting plate 11 are installed on both sides of the top of the mounting plate 13. The fastening bolts can install the mounting plate 13 on the lifting plate 11 to improve the stability of the mounting plate 13.

[0039] Specifically, the disassembly and assembly component 9 includes a positioning hole 903, two limiting grooves 905, a cavity 901 opened at the bottom of the card column 16 and a limiting ring 908 sleeved on the lower outer wall of the card column 16. The positioning hole 903 is opened at the top of the card joint 14, and the two limiting grooves 905 are opened on both sides of the card joint 14. Springs 906 are installed on both sides of the interior of the cavity 901, and one end of the spring 906 is connected to a limiting block 904 extending to the interior of the limiting groove 905. Threads are provided on the lower outer wall of the card column 16 and the inner wall of the limiting ring 908. The limiting ring 908 is threadedly connected to the card column 16 so that the limiting ring 908 can be rotated and moved on the outer wall of the card column 16. A positioning column 902 is installed on the upper part of the interior of the cavity 901 so that the positioning column 902 can be inserted into the interior of the positioning hole 903 to position the card joint 14.

[0040] Specifically, a pressure rod 907 extending to the outside of the card column 16 is installed on one side of the limit block 904, and the bottom of the limit block 904 contacts the inner lower part of the cavity 901. The interior of the cavity 901 is plugged with a card joint 14, and the bottom of the card joint 14 is connected to a steel wire rope 15. When the steel wire rope 15 needs to be replaced, the user rotates the limit ring 908 so that the limit ring 908 moves up and no longer contacts the pressure rod 907. At this time, the spring 906 contracts, and one end of the pressure rod 907 contacts the limit ring 908. The limit block 904 is adapted to the limit groove 905, and the limit ring 908 can limit the pressure rod 907 to prevent the pressure rod 907 from moving at will.

[0041] Embodiment 2:

[0042] On the basis of the above-mentioned first embodiment, since the lifting plate 11 can move up and down, in order to improve the stability of the lifting plate 11 when moving, the following structure is provided.

[0043] See also Figure 1-Figure 2 A guide rod 3 is provided on the other side of the top of the bottom plate 1, and the top end of the guide rod 3 passes through the lifting plate 11. A top plate 8 is installed between the top end of the guide rod 3 and the support seat 4. The setting of the guide rod 3 can guide the lifting plate 11 and improve the stability of the lifting plate 11 when it moves.

[0044] The working principle of the utility model is as follows: first, the staff can move the lifter through the roller 2, and after moving to the designated position, start the motor 5 to rotate the screw rod 7, thereby driving the movable seat 10 to move downward, and then driving the lifting plate 11 to move downward, and driving the clamping joint 14 and the wire rope 15 to move downward, and then tie the wire rope 15 to the pull ring on the manhole cover, and then start the motor 5. The motor 5 can drive the screw rod 7 to reverse, thereby driving the movable seat 10 to move upward, and then driving the lifting plate 11 to move upward, and then driving the clamping column 16 and the clamping joint 14 to move upward, and pulling the wire rope 15, so as to lift the manhole cover;

[0045] When the wire rope 15 breaks and needs to be replaced, the user rotates the limit ring 908 so that the limit ring 908 moves up and no longer contacts the pressure rod 907. At this time, the spring 906 contracts and drives the limit block 904 to reset and move, so that the limit block 904 moves out of the limit groove 905. At this time, the clamping joint 14 is no longer limited. Then the user can pull the clamping joint 14 downward to move the clamping joint 14 out of the cavity 901, and then insert the clamping joint 14 at the top of the new wire rope into the clamping joint 14. To the inside of the cavity 901, and make the positioning column 902 snap into the positioning hole 903 to position the card connector 14, then rotate the limit ring 908 in the opposite direction to move the limit ring 908 downward, and press the pressure rod 907 at the same time, so that the pressure rod 907 drives the limit block 904 to move, and the limit block 904 stretches the spring 906 and moves into the inside of the limit groove 905, and the limit ring 908 moves downward and contacts with the end of the pressure rod 907, thereby limiting the pressure rod 907, and the installation of the card connector 14 is completed.

[0046] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A convenient manhole cover lifter for municipal engineering, comprising a bottom plate (1) and a clamping column (16), characterized in that: A disassembly assembly (9) is provided at the bottom of the clamping column (16), and the disassembly assembly (9) includes a positioning hole (903), two limiting grooves (905), a cavity (901) opened at the bottom of the clamping column (16), and a limiting ring (908) sleeved on the lower part of the outer wall of the clamping column (16). Springs (906) are installed on both sides of the interior of the cavity (901), and one end of the spring (906) is connected to a limiting block (904) extending to the interior of the limiting groove (905), and one side of the limiting block (904) is installed with a pressure rod (907) extending to the outside of the clamping column (16). A clamping joint (14) is inserted into the interior of the cavity (901), and a steel wire rope (15) is connected to the bottom of the clamping joint (14). A positioning column (902) is installed on the upper part of the interior of the cavity (901).

2. The convenient manhole cover lifter for municipal engineering according to claim 1, characterized in that: A support seat (4) is installed on one side of the top of the base plate (1), a groove (6) is provided on one side of the support seat (4), and a motor (5) is installed on the top of the support seat (4).

3. The convenient manhole cover lifter for municipal engineering according to claim 2, characterized in that: The output end of the motor (5) is connected to a screw rod (7) extending into the interior of the groove (6), and a movable seat (10) is sleeved on the outer wall of the screw rod (7).

4. The convenient manhole cover lifter for municipal engineering according to claim 3, characterized in that: A lifting plate (11) is installed on one side of the movable seat (10), and the movable seat (10) is threadedly connected to the screw rod (7).

5. The convenient manhole cover lifter for municipal engineering according to claim 4, characterized in that: The top of the lifting plate (11) is provided with a mounting groove (12), and a mounting plate (13) is clamped inside the mounting groove (12).

6. The convenient manhole cover lifter for municipal engineering according to claim 5, characterized in that: The bottom of the mounting plate (13) is provided with a clamping column (16) penetrating the mounting groove (12), and both sides of the top of the mounting plate (13) are provided with fastening bolts extending into the interior of the lifting plate (11).

7. The convenient manhole cover lifter for municipal engineering according to claim 4, characterized in that: A guide rod (3) is provided on the other side of the top of the bottom plate (1), and the top end of the guide rod (3) passes through the lifting plate (11).

8. The convenient manhole cover lifter for municipal engineering according to claim 1, characterized in that: Rollers (2) are installed around the bottom of the base plate (1).

9. The convenient manhole cover lifter for municipal engineering according to claim 1, characterized in that: The lower part of the outer wall of the clamping column (16) and the inner wall of the limiting ring (908) are both provided with threads, and the limiting ring (908) is threadedly connected to the clamping column (16).

10. The convenient manhole cover lifter for municipal engineering according to claim 1, characterized in that: One end of the pressure rod (907) contacts the limiting ring (908), and the limiting block (904) is adapted to the limiting groove (905).

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