Safety lifting device for municipal well maintenance

Abstract

The utility model discloses a municipal well maintenance safety hoisting device which comprises a moving frame, a lifting column, a hoisting assembly and supporting mechanisms, the supporting mechanisms are arranged on the outer walls of the two sides of the moving frame respectively, bottom columns are installed on the two sides, connected with the supporting mechanisms, of the moving frame respectively, and the bottom columns are vertically arranged and are in sliding connection with the lifting column; the two sets of lifting columns are symmetrically arranged, a supporting beam is fixedly connected between the two sets of lifting columns, the supporting beam is horizontally arranged, and a hoisting assembly is installed below the supporting beam; the lifting assembly comprises a connecting rod, a winding wheel and a lifting rope, and the connecting rod is vertically arranged and fixedly connected with the bottom end face of the supporting beam. According to the municipal well maintenance hoisting device, the lifting column can be folded when not used, the size of the lifting column can be reduced, the lifting column can be unfolded when used, the size of the lifting column can be reduced, movement is convenient, and the problems that in the prior art, when a maintainer enters a well, the maintainer wears an installation rope and is dragged by a worker on the well, the labor burden is large, and safety is insufficient are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the safe technical field of municipal engineering personnel, especially relate to a municipal well maintenance safety hoisting device. BACKGROUND

[0002] The municipal well maintenance is an important part of the city infrastructure maintenance, and is related to the maintenance and maintenance of the well cover, the well and the well facility. Different types of wells (such as sewage well, rainwater well, cable well, etc.) have different structures and functions, and the maintenance requirements are different. For the maintenance that needs to enter the well, such as checking the pipeline connection, cleaning the blockage, repairing the damaged parts, etc., the maintenance personnel need to enter the well, and in the maintenance process, the safety operation procedures must be strictly followed to ensure the personal safety of the construction personnel. However, the maintenance personnel will wear and install a rope when entering the well, and the rope will be pulled by the operation personnel on the well, which is a heavy burden on the human body and has insufficient safety. Therefore, the inventor proposes a municipal well maintenance hoisting device. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of the prior art, providing a municipal well maintenance safety hoisting device, and solving the problem that the maintenance personnel wear and install a rope when entering the well, and the rope is pulled by the operation personnel on the well, which is a heavy burden on the human body and has insufficient safety.

[0004] The utility model achieves the purpose through the following technical scheme:

[0005] A municipal well maintenance safety hoisting device, comprising a movable frame, a lifting column, a hoisting assembly and a supporting mechanism, the movable frame is provided with a supporting mechanism on the outer wall of both sides, the movable frame and the supporting mechanism are connected on both sides and are provided with a bottom column, the bottom column is vertically arranged and is connected with the lifting column in a sliding mode; the lifting column is symmetrically provided with two groups, and a supporting beam is fixedly connected between the two groups, the supporting beam is horizontally arranged, and the hoisting assembly is arranged below the supporting beam; the hoisting assembly comprises a connecting rod, a winding wheel and a lifting rope, the connecting rod is vertically arranged and is fixedly connected with the bottom end surface of the supporting beam, the winding wheel is rotatably arranged on the connecting rod, and the lifting rope is connected with the winding wheel; thanks to the adjustable lifting column, the lifting column can be folded when not in use, and the volume can be reduced. When in use, it can be expanded, the volume can be reduced, and it is convenient to move.

[0006] In one embodiment, a driving motor is fixedly installed on the outer wall of the connecting rod, and a driving shaft is rotatably installed in the connecting rod.

[0007] In one embodiment, the end surface of the winding wheel is fixedly connected with the driving shaft, and a winding shaft is arranged on the inner side of the winding wheel.

[0008] In one embodiment, one end of the hoisting rope is wound on a winding shaft, and the other end is fixedly connected with a bandage.

[0009] In one embodiment, the bottom column has a socket inside, and the bottom of the lifting column slides into the socket.

[0010] In one embodiment, a limiting hole is further formed in the side wall of the bottom column, and a spring buckle is further formed below the side wall of the lifting column, and the limiting hole is matched with the spring buckle.

[0011] In one embodiment, the supporting mechanism comprises a fixed block, a fixed tube, an adjusting screw and a fixed base plate, the fixed base plate is horizontally arranged below the adjusting screw and is fixedly connected with the adjusting screw at the same center.

[0012] In one embodiment, the fixed tube vertically penetrates the fixed block, and the fixed block is fixedly connected with the fixed tube.

[0013] In one embodiment, the fixed tube has a threaded hole inside, and the adjusting screw is matched with the threaded hole.

[0014] In one embodiment, the bottom of the moving frame is arrayed with four groups of pulleys.

[0015] The utility model discloses the beneficial effect lies in:

[0016] Thanks to the adjustable lifting column setting, the lifting column can be retracted when not in use, reducing the volume, and can be expanded when in use, reducing the volume, facilitating movement, through the cooperation of the supporting mechanism and the moving frame, when working, the fixed base plate is adjusted to contact the ground, thereby improving the operation stability of the moving frame, and when the construction is completed, the fixed base plate is raised, and the moving frame can be restored to move, convenient to use, the hoisting assembly is used for safety assistance to the maintenance personnel of downhole operation, improving the operation safety of the maintenance personnel, meeting the use requirement, and can be widely promoted. BRIEF DESCRIPTION OF DRAWINGS

[0017] In the following, the utility model will be described in more detail based on the embodiments and with reference to the drawings.

[0018] Among them:

[0019] Figure 1 The structure schematic diagram of the utility model is shown;

[0020] Figure 2 The moving frame structure schematic diagram of the utility model is shown;

[0021] Figure 3 The lifting column and hoisting assembly structure schematic diagram of the utility model are shown;

[0022] Figure 4 The utility model discloses a winding wheel and connecting rod structure schematic diagram shows that the utility model discloses a municipal well maintenance safety hoist device,

[0023] In the drawings, identical components use identical reference numerals. The drawings are not to scale.

[0024] Reference numerals:

[0025] 1 - moving frame;2 - support mechanism;3 - lifting column;4 - hoisting assembly;5 - support beam;6 - bottom column;7 - adjusting screw;8 - fixed base plate;9 - fixed block;10 - fixed tube;11 - limiting hole;12 - jack;13 - connecting rod;14 - drive motor;15 - winding wheel;16 - lifting rope;17 - bandage;18 - winding shaft. DETAILED DESCRIPTION

[0026] The utility model will be further described below in connection with the drawings.

[0027] The utility model provides a municipal well maintenance safety hoist device, as Figure 1 Shown, including moving frame 1, lifting column 3, hoisting assembly 4 and support mechanism 2, and the both sides outer wall of moving frame 1 is equipped with support mechanism 2 respectively, and the both sides of moving frame 1 are connected with support mechanism 2 respectively and are installed with bottom column 6, and bottom column 6 is vertically arranged and is connected with lifting column 3 slidingly, and lifting column 3 is symmetrically equipped with two groups, and is fixedly connected with support beam 5 between, and support beam 5 is horizontally arranged, and hoisting assembly 4 is installed below support beam 5, and the bottom of moving frame 1 is arrayed with four groups of pulleys. Support mechanism 2 includes fixed block 9, fixed tube 10, adjusting screw 7 and fixed base plate 8, and fixed base plate 8 is horizontally arranged below adjusting screw 7 and is fixedly connected with adjusting screw 7 with the same center. Fixed tube 10 vertically passes through fixed block 9, and fixed block 9 is fixedly connected with fixed tube 10. The inside of fixed tube 10 has a threaded hole, and adjusting screw 7 is installed in the threaded hole.

[0028] Referring to Figure 3 , hoisting assembly 4 includes connecting rod 13, winding wheel 15 and lifting rope 16, connecting rod 13 is vertically arranged and is fixedly connected with the bottom end surface of support beam 5, winding wheel 15 is rotatably installed on connecting rod 13, and lifting rope 16 is connected with winding wheel 15.

[0029] Referring to Figure 4 , drive motor 14 is fixedly installed on the outer wall of connecting rod 13, drive shaft is rotatably installed in the inside of connecting rod 13, and drive motor 14 is connected with drive shaft. The end surface center of winding wheel 15 is fixedly connected with drive shaft, and winding shaft 18 is arranged on the inside of winding wheel 15. One end of lifting rope 16 is wound on winding shaft 18, and the other end is fixedly connected with bandage 17.

[0030] Referring to Figure 1 ,Figure 3 The inside of the bottom column 6 has a socket 12, and the bottom of the lifting column 3 slides into the socket 12. A limiting hole 11 is further formed in the sidewall of the bottom column 6, and a spring buckle is further formed below the sidewall of the lifting column 3, and the limiting hole 11 is matched with the spring buckle.

[0031] Working principle: in use, first, the movable frame 1 is moved to the well mouth position through the pulley at the bottom, the pulley is provided with a clamping wheel lock, and the pulley is fixed and positioned by stepping on the clamping wheel lock, then the adjusting screw 7 is rotated, the adjusting screw 7 is screwed down along the fixed pipe 10, the fixed bottom plate 8 is brought into contact with the ground, and then the movable frame 1 is supported, the operation stability of the movable frame 1 is improved, then the lifting column 3 is pulled up, the lifting column 3 slides out of the bottom column 6, until the spring buckle corresponds to the limiting hole 11, the spring buckle is popped out, and then the lifting column 3 is fixed after the lifting height is improved, the lifting column 3 can be retracted when not in use, the volume is reduced, and the lifting column 3 can be expanded when in use, then the maintenance personnel can enter the well along the middle position of the movable frame 1 after wearing the binding belt 17, as the maintenance personnel continuously enter the well, the driving motor 14 rotates, the winding wheel 15 rotates, the lifting rope 16 wound on the winding shaft 18 is continuously lowered, the anti-falling lock is installed at the winding wheel 15, so that the driving motor 14 is prevented from suddenly falling off when it fails or is powered off, until the maintenance personnel descend to the specified position, the winding wheel 15 can stop rotating, and the lifting rope 16 continuously provides protection for the maintenance personnel during operation, when the maintenance personnel need to go up the well, the driving motor 14 can be started in reverse, the winding wheel 15 rotates in reverse, and the lifting rope 16 can pull the maintenance personnel up to assist the maintenance personnel to leave the well, the utility is strong, the volume can be reduced, the movable frame 1 is convenient to move, safety assistance is provided for well operation, and the operation safety of the maintenance personnel is improved.

[0032] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0034] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will thus be appreciated that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It will be understood that the features described in relation to one embodiment can be used in combination with features described in relation to another embodiment.

Claims

1. A municipal well repair safety lifting device, comprising a mobile frame (1), a lifting column (3), a lifting assembly (4) and a supporting mechanism (2), characterized in that, Two sides of the mobile frame (1) are respectively provided with support mechanisms (2), two sides of the mobile frame (1) and the support mechanisms (2) are respectively provided with bottom columns (6), the bottom columns (6) are vertically arranged and are in sliding connection with lifting columns (3); The lifting columns (3) are symmetrically provided with two groups, and are fixedly connected with a support beam (5) therebetween, the support beam (5) is horizontally arranged, and a hoisting assembly (4) is arranged below the support beam (5); The hoisting assembly (4) comprises a connecting rod (13), a winding wheel (15) and a lifting rope (16), the connecting rod (13) is vertically arranged and is fixedly connected with the bottom end surface of the support beam (5), the winding wheel (15) is rotatably arranged on the connecting rod (13), and the lifting rope (16) is connected with the winding wheel (15).

2. The municipal well repair safety hoisting device according to claim 1, characterized in that, The outer wall of the connecting rod (13) is fixedly provided with a driving motor (14), and a driving shaft is rotatably arranged in the connecting rod (13).

3. A municipal well repair safety hoisting device according to claim 2, characterized in that, The end surface of the winding wheel (15) is fixedly connected with the driving shaft, and the inner side of the winding wheel (15) is provided with a winding shaft (18).

4. The municipal well repair safety hoisting device of claim 3, wherein, One end of the lifting rope (16) is wound on the winding shaft (18), and the other end is fixedly connected with a binding belt (17).

5. The municipal well repair safety hoisting device of claim 1, wherein, The bottom column (6) has a bushing (12) in the inside, and the bottom of the lifting column (3) is slid into the bushing (12).

6. A municipal well repair safety hoisting device according to claim 5, characterized in that, The side wall of the bottom column (6) is further provided with a limiting hole (11), and the side wall of the lifting column (3) is provided below with a spring buckle matched with the limiting hole (11).

7. The municipal well repair safety hoisting device of claim 1, wherein, The support mechanism (2) comprises a fixed block (9), a fixed tube (10), an adjusting screw (7) and a fixed base plate (8), the fixed base plate (8) is horizontally arranged below the adjusting screw (7) and is fixedly connected with the adjusting screw (7) with the same center.

8. A municipal well repair safety hoisting device according to claim 7, characterized in that, The fixed tube (10) vertically penetrates the fixed block (9), and the fixed block (9) is fixedly connected with the fixed tube (10).

9. A municipal well repair safety hoisting device according to claim 8, characterized in that, The inside of the fixed tube (10) is provided with a threaded hole, and the adjusting screw (7) is matched and arranged in the threaded hole.

10. The municipal well repair safety hoisting device of claim 1, wherein, The bottom of the mobile frame (1) is arrayed with four groups of pulleys.

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