Tool for hoisting underflow pump bearing box group
By designing a tool for hoisting underflow pump bearing housing assemblies, and utilizing chuck and pulley assemblies, the bearing housing assemblies can be stably hoisted in confined spaces, solving the problem of hoisting difficulties in confined spaces, achieving safe and efficient operation, and reducing the risk of human injury.
Patent Information
- Application Number
- CN202422918643.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-28
AI Technical Summary
When performing pump body maintenance in confined spaces, existing technologies make it difficult to safely and efficiently hoist the underflow pump bearing housing assembly, posing safety hazards and operational difficulties.
A tool for hoisting underflow pump bearing housing assemblies was designed, including a claw assembly, a sleeve, a pulley assembly, and a long rod. It is fixed using on-site I-beams, and the bearing housing assembly is stably hoisted by the cooperation of the winch and pulley, reducing the risk of manual operation.
It enables the safe and efficient hoisting of bearing housing assemblies in confined spaces, reducing the risk of human injury, improving operational efficiency, and is also low in cost and easy to install and maintain.
Smart Images
Figure CN223468133U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hoisting, in particular to a tool for hoisting an underflow pump bearing box assembly. Background Art
[0002] Pump body maintenance is an important part of maintaining the performance of the underflow pump and extending its service life; before carrying out pump body maintenance, a series of preparatory work must be taken to ensure the safety and effectiveness of the maintenance process.
[0003] First of all, power-off confirmation is the primary step before maintenance. Since the underflow pump is usually connected to the power supply, before starting maintenance, it is necessary to ensure that the power supply has been completely disconnected and hang a "Do not close the switch" warning sign to prevent accidental electric shock accidents. At present, when replacing bearing box components during daily maintenance of pumps, the on-site space is small, and there are often other equipment, I-beams or brackets for other equipment on the upper side of the pump body, so it is impossible to use an overhead crane for lifting. In the early stage, people usually wear anti-smashing gloves to lift and fix the pump. However, it is not easy for humans to exert force in a small space, and there is a safety hazard of rolling, slipping and being injured. Utility Model Content
[0004] In response to the above technical problems, the utility model discloses a tool for lifting the bearing housing assembly of an underflow pump, comprising a claw assembly fixed to an I-beam, a sleeve hingedly connected to the claw assembly, a long rod fixed to the sleeve, a pulley assembly slidingly mounted within the long rod, and the underside of the pulley assembly used to lift the bearing housing assembly. Through the above technical solution, the bearing housing assembly can be lifted and moved in a narrow space. The bearing housing assembly can be moved by fixing it to the I-beam available on site, thereby improving movement efficiency and reducing the risk of injury during manual handling.
[0005] Furthermore, the claw assembly includes four fixed plates, each of which is C-shaped. A clamping plate is provided on the back of the fixed plate. Two fixed plates of the same height are fixed by fixing bolts. An inner shaft is installed between the fixed plates, and the sleeve is hinged on the inner shaft.
[0006] Furthermore, a gasket is installed between the two fixing plates, and the gasket is fixed at the same time when the fixing bolts are used to fix them.
[0007] Furthermore, a transverse plate is fixedly mounted on the clamping plate, a limiting head is mounted on the upper end of the inner shaft, the inner shaft is passed through the two transverse plates, and the limiting head contacts the transverse plate on the upper fixed plate.
[0008] Furthermore, a hole is provided on the lower side of the inner shaft, and a limit pin is passed through the hole to prevent the inner shaft from moving upward and disengaging.
[0009] Further, the inner side of the card plate is fixedly provided with an elastic sheet. Through the above technical scheme, the structure of the whole fixing plate can be simply processed by using existing materials, and can be made by using waste materials, thereby greatly saving the cost, and the inner shaft can be disassembled, thereby reducing the installation difficulty and being more convenient for replacement and maintenance.
[0010] Further, the long rod is fixedly provided with a vertical plate, the vertical plate is provided with a hinge wheel one and a hinge wheel two, a pull rope of the hinge wheel one is connected with the pulley assembly from the first end of the long rod, and a pull rope of the hinge wheel two is connected with the pulley assembly from the second end of the long rod.
[0011] Further, the sleeve and the long rod are fixedly provided with a reinforcing rod, a gap is formed in the middle part of the reinforcing rod, and the pull rope of the hinge wheel two passes through the gap in the middle part of the reinforcing rod. Through the above technical scheme, the movement of the pulley assembly is stably controlled by using the hinge wheel one and the hinge wheel two, the risk of artificial sliding injury is reduced, and the moving distance can be more accurately controlled.
[0012] Further, the pulley assembly comprises a main framework, the main framework is provided with a roller, the roller rolls in the inner side of the long rod, the main framework is provided with a fixing groove, a fixing sleeve is matched with the fixing groove, and a lifting ring is fixedly arranged at the lower end of the fixing sleeve.
[0013] Further, the second end of the long rod is fixedly provided with a limiting bolt.
[0014] The beneficial effects of the present application compared with the prior art are as follows:
[0015] (1) Through the technical scheme of the present application, the bearing box group can be hoisted and moved in a narrow space, the bearing box group is moved by fixing the I-shaped steel on site, the moving efficiency is improved, and the risk of artificial carrying injury is reduced.
[0016] (2) Through the technical scheme of the present application, the structure of the whole fixing plate can be simply processed by using existing materials, and can be made by using waste materials, thereby greatly saving the cost, and the inner shaft can be disassembled, thereby reducing the installation difficulty and being more convenient for replacement and maintenance.
[0017] (3) Through the technical scheme of the present application, the movement of the pulley assembly is stably controlled by using the hinge wheel one and the hinge wheel two, the risk of artificial sliding injury is reduced, and the moving distance can be more accurately controlled. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic view of the overall structure of the embodiment of the present application.
[0019] Figure 2 It is Figure 1 An enlarged view of position A in FIG.
[0020] Figure 3 For Figure 1 Enlarged view at B.
[0021] Figure 4 For the claw assembly schematic diagram of the utility model embodiment.
[0022] Figure 5 For the claw assembly part schematic diagram of the utility model embodiment.
[0023] Figure 6 For the utility model embodiment pulley assembly's explosion map.
[0024] Figure reference: 1-pulley assembly;2-clamping plate;3-burst piece;4-cross plate;5-inner shaft;6-limiting pin;7-gasket;8-fixing bolt;9-sleeve;10-long rod;11-stand plate;12-hinge wheel one;13-hinge wheel two;14-hand wheel one;15-hand wheel two;16-strengthening rod;17-limiting bolt;18-guide wheel;19-slideway;20-fixing plate;101-main framework;102-roller;103-fixed groove;104-fixed sleeve;105-notch;106-lifting ring. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.
[0026] As Figures 1-6 The utility model discloses a kind of hoisting bottom flow pump bearing box group tools, including claw assembly, claw assembly is fixed on I-beam, sleeve 9 is hingedly connected on claw assembly, hinging point extends to I-beam outside, can rotate at least two hundred and seventy degrees, sleeve 9 is fixed with long rod 10, long rod 10 is slidably equipped with pulley assembly 1, pulley assembly 1 lower side is used for hoisting bearing box group. Through the above technical scheme, bearing box group can be hoisted and moved in narrow space, fixed by the I-beam of site, bearing box group is moved, the moving efficiency is improved, and the risk of manual handling injury is reduced.
[0027] In the embodiment, the claw assembly comprises four fixed plates 20, which are made by using channel steel and cutting by gas cutting, and the fixed plates 20 are C-shaped, the back of the fixed plate 20 is provided with a clamping plate 2 for clamping on the I-beam, the inner side of the clamping plate 2 is fixedly provided with a spring piece 3, the upper side of the clamping plate 2 has one end which is a plane, the compression amount of the spring piece 3 is different for different thicknesses of the I-beam, but it can be stably clamped, the four fixed plates 20 are arranged in two groups, and are arranged at different heights, the two fixed plates 20 at the same height are fixed by a fixed bolt 8, an inner shaft 5 is arranged between the fixed plates 20, a sleeve 9 is hinged on the inner shaft 5, the inner shaft 5 and the sleeve 9 are made by using two pipes with different diameters, the pipe with small diameter is used as the inner shaft 5, and the other pipe is used as the sleeve 9, the sleeve 9 is fixedly welded with a long rod 10, a gasket 7 is arranged between the two fixed plates 20, and the gasket 7 is fixed by the fixed bolt 8. Since the widths of the I-beams are different, the distances between the fixed plates 20 are also different, at this time, gaskets 7 with different thicknesses are selected or the number of the gaskets 7 is increased, in the embodiment, only one gasket 7 is used, the clamping plate 2 is fixedly provided with a horizontal plate 4, the horizontal plate 4 is fixedly welded on the fixed plate 20, the horizontal plate 4 is provided with a circular hole in the middle, the upper end of the inner shaft 5 is provided with a limiting head, the diameter of the limiting head is larger than that of the inner shaft 5, the diameter of the inner shaft 5 is slightly smaller than that of the hole in the horizontal plate 4, so that the inner shaft 5 is inserted into the two horizontal plates 4, the limiting head is in contact with the horizontal plate 4 on the upper fixed plate 20, the two fixed plates 20 of the lower group are also inserted into the inner shaft 5, the lower side of the inner shaft 5 is provided with a hole, the hole is provided with a limiting pin 6, which prevents the inner shaft 5 from moving upward and being separated, the hole is a threaded hole, and the limiting pin 6 can be a bolt which is rotated to limit the inner shaft 5.
[0028] Through the above technical scheme, the structure of the entire fixed plate 20 can be simply processed by using existing materials, and can be made by using waste materials, thereby greatly saving the cost, the inner shaft 5 can be disassembled, the installation difficulty is also reduced, and the replacement and maintenance are more convenient.
[0029] In the embodiment, the long rod 10 is fixedly provided with a vertical plate 11, the vertical plate 11 is provided with a hinge wheel one 12 and a hinge wheel two 13, the hinge wheel one 12 and the hinge wheel two 13 are located at the middle position of the first end of the long rod 10, the pull rope of the hinge wheel one 12 is connected with the pulley assembly 1 from the first end of the long rod 10, the pull rope of the hinge wheel two 13 is connected with the pulley assembly 1 from the second end of the long rod 10, the first end and the second end of the long rod 10 are both provided with a guide wheel 18, the pull rope is connected with the pulley assembly 1 through the guide wheel 18, the center of the hinge wheel two 13 is fixedly provided with a hand wheel one 14, the hinge wheel two 13 is controlled through the hand wheel one 14, the center of the hinge wheel one 12 is provided with a hand wheel two 15, the hinge wheel one 12 is controlled through the hand wheel two 15, the sleeve 9 and the long rod 10 are fixedly provided with a reinforcing rod 16, the middle part of the reinforcing rod 16 is provided with a gap, and the pull rope of the hinge wheel two 13 passes through the gap in the middle of the reinforcing rod 16. Through the above technical scheme, the movement of the pulley assembly 1 is stably controlled by the hinge wheel one 12 and the hinge wheel two 13, the risk of artificial sliding injury is reduced, and the moving distance can be more accurately controlled.
[0030] In the embodiment, the long rod 10 is a hollow structure, the lower side of the long rod 10 is provided with a slide 19, the pulley assembly 1 comprises a main framework 101, the thickness of the main framework 101 is less than the internal height of the long rod 10, the main framework 101 is provided with a plurality of rolling wheels 102, the rolling wheels 102 roll on the inner side of the long rod 10, the rolling wheels 102 are provided with four, located at the four corners of the main framework 101, the diameter of the rolling wheels 102 is slightly smaller than the height of the inner side of the long rod 10, and greater than the thickness of the main framework 101, the main framework 101 is provided with a fixed groove 103, the fixed groove 103 is matched with a fixed sleeve 104, the fixed sleeve 104 is provided with a notch 105, the notch 105 is sleeved on the fixed groove 103, the fixed sleeve 104 is fixedly provided with a lifting ring 106 at the lower end, the lifting ring 106 can hang a lifting tool or directly hang a bearing box group, in order to prevent the pulley assembly 1 from sliding out of the second end of the long rod 10, the second end of the long rod 10 is fixedly provided with a limiting bolt 17.
[0031] The above embodiment only expresses one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A hoist underflow pump bearing housing set tool characterized by, The utility model provides a kind of lifting device, including claw assembly, claw assembly is fixed on I-shaped steel, sleeve (9) is hinged on claw assembly, long rod (10) is fixed on sleeve (9), pulley assembly (1) is slidably mounted in long rod (10), pulley assembly (1) lower side is used for lifting bearing box group.
2. The hoist flow pump bearing housing set tool of claim 1, wherein, The claw assembly includes four fixed plates (20), the fixed plate (20) is C-shaped, the back of the fixed plate (20) is provided with a clamping plate (2), two fixed plates (20) of the same height are fixed by fixed bolts (8), and an inner shaft (5) is mounted between the fixed plates (20).
3. The hoist flow pump bearing housing set tool of claim 2, wherein, A spacer (7) is mounted between the two fixed plates (20), and the spacer (7) is fixed simultaneously by the fixed bolts (8).
4. The tool for hoisting the bearing box assembly of an underflow pump according to claim 3, characterized in that: The clamping plate (2) is fixed with a horizontal plate (4), and the upper end of the inner shaft (5) is provided with a limiting head.
5. A hoist-off flow pump bearing housing set tool as claimed in claim 4, wherein, The inner shaft (5) is inserted into the two horizontal plates (4), and the limiting head contacts the horizontal plate (4) on the upper fixed plate (20).
6. A hoist underflow pump bearing housing set tool according to claim 5, wherein, The inner side of the clamping plate (2) is fixed with a spring (3).
7. The hoist flow pump bearing housing set tool of claim 1, wherein, The long rod (10) is fixed with a vertical plate (11), and the vertical plate (11) is provided with a hinge wheel one (12) and a hinge wheel two (13).
8. The hoist flow pump bearing housing set tool of claim 7, wherein, The pull rope of the hinge wheel one (12) is connected to the pulley assembly (1) from the first end of the long rod (10), and the pull rope of the hinge wheel two (13) is connected to the pulley assembly (1) from the second end of the long rod (10).
9. The hoist flow under-pump bearing case set tool of claim 1, wherein, The sleeve (9) and the long rod (10) are fixed with a reinforcing rod (16), and the middle part of the reinforcing rod (16) is provided with a gap.
10. The hoist flow under-pump bearing case set tool of claim 9, wherein, The pull rope of the hinge wheel two (13) passes through the gap in the middle of the reinforcing rod (16). The pulley assembly (1) includes a main frame (101), and the main frame (101) is provided with a fixed groove (103) and a fixed sleeve (104). The second end of the long rod (10) is fixed with a limiting bolt (17).