Mining centrifugal pump body dismantling equipment

Abstract

The utility model discloses a mining centrifugal pump body dismantling device, which belongs to the technical field of dismantling devices and comprises a pressing plate, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are symmetrically mounted on the pressing plate and penetrate through the pressing plate, and a jack mounted on the pressing plate is arranged between the first connecting rod and the second connecting rod. The movable end of the jack is connected with an ejector rod, and the first connecting rod and the second connecting rod are both in threaded connection with limiting nuts located on one side of the pressing plate. Through the arrangement of the pressing plate, the first connecting rod, the second connecting rod and the limiting nut, a shaft of the multi-stage centrifugal pump can be jacked through the jack and the ejector rod in the using process, and then the pump body and the shaft are separated by connecting the first connecting rod and the second connecting rod to the pump body; when not used, the first connecting rod and the second connecting rod can be detached from the pressing plate by screwing down the limiting nuts, and storage and transportation can be facilitated.

Description

Technical Field

[0001] The utility model relates to a dismantling device, in particular to a dismantling device for a centrifugal pump body used in a mine, and belongs to the technical field of dismantling devices. Background Art

[0002] During the construction of mines with many aquifers and high water content, a large number of wear-resistant multi-stage centrifugal pumps are needed to drain water from the underground working face to the ground. During the use of the wear-resistant multi-stage centrifugal pumps, they need to be regularly inspected and maintained. During the inspection and maintenance process, the multi-section pump body of the centrifugal pump needs to be dismantled. The existing disassembly tools are not convenient for disassembly and storage, and are not convenient for staff to carry.

[0003] Aiming at the problem that the existing disassembly tools are inconvenient to disassemble and store, and inconvenient for workers to carry, the utility model proposes a new solution. Utility Model Content

[0004] The main purpose of the utility model is to solve the deficiencies of the prior art and provide a mining centrifugal pump body removal device.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A pump body dismantling device for a mining centrifugal pump comprises a pressure plate, and a first connecting rod and a second connecting rod symmetrically mounted on the pressure plate, wherein the first connecting rod and the second connecting rod both pass through the pressure plate, a jack mounted on the pressure plate is provided between the first connecting rod and the second connecting rod, a push rod is connected to the movable end of the jack, and a limit nut located on one side of the pressure plate is threadedly connected to the first connecting rod and the second connecting rod.

[0007] Preferably, the movable end of the jack is fixedly connected with a connecting sleeve for mounting the push rod.

[0008] Preferably, a first groove is formed at one end of the connecting sleeve away from the jack.

[0009] Preferably, the inner side of the first groove and the outer side of the push rod are both provided with mutually matching threads.

[0010] Preferably, the first connecting rod and the second connecting rod both include pull rods.

[0011] Preferably, one end of the pull rod is connected to a hanging plate, and a through groove is formed in the middle of the hanging plate.

[0012] Preferably, the other end of the pull rod is connected to a stud that cooperates with the limit nut.

[0013] Preferably, the pressing plate comprises a plate body made of steel plate or channel steel.

[0014] Preferably, the plate body is symmetrically provided with a first through hole and a second through hole respectively cooperating with the first connecting rod and the second connecting rod.

[0015] Preferably, a second groove opened on the plate body is provided between the first through hole and the second through hole.

[0016] The beneficial technical effect of the utility model is as follows: according to the pump body dismantling equipment for a mining centrifugal pump of the utility model, through the arrangement of a pressure plate, a first connecting rod, a second connecting rod and a limit nut, the shaft of the multi-stage centrifugal pump can be supported by a jack and a push rod during use, and then the first connecting rod and the second connecting rod are connected to the pump body to separate the pump body from the shaft. When not in use, the first connecting rod and the second connecting rod can be removed from the pressure plate by unscrewing the limit nut, which can be conveniently stored and transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a preferred embodiment provided according to the utility model;

[0018] Figure 2 A cross-sectional view of a preferred embodiment provided according to the utility model;

[0019] Figure 3 A schematic diagram of a pull rod structure according to a preferred embodiment of the utility model;

[0020] Figure 4 A schematic diagram of a connecting sleeve structure according to a preferred embodiment of the utility model;

[0021] Figure 5 A schematic diagram of a plate structure according to a preferred embodiment of the utility model;

[0022] Figure 6 According to a preferred embodiment of the present invention Figure 1 A magnified view of the structure at A.

[0023] In the figure: 1, pressure plate; 2, first connecting rod; 3, second connecting rod; 4, jack; 5, push rod; 6, limit nut; 7, connecting sleeve; 8, first groove; 101, plate body; 102, second groove; 103, first through hole; 104, second through hole; 201, pull rod; 202, hanging plate; 203, stud. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0025] like Figure 1-Figure 6 As shown, the pump body dismantling equipment for a mining centrifugal pump provided in this embodiment includes a pressing plate 1, and a first connecting rod 2 and a second connecting rod 3 symmetrically mounted on the pressing plate 1, the first connecting rod 2 and the second connecting rod 3 both penetrate the pressing plate 1, a jack 4 mounted on the pressing plate 1 is provided between the first connecting rod 2 and the second connecting rod 3, a mandrel 5 is connected to the movable end of the jack 4, and a limiting nut 6 located on one side of the pressing plate 1 is threadedly connected to the first connecting rod 2 and the second connecting rod 3. Through the arrangement of the pressing plate 1, the first connecting rod 2, the second connecting rod 3 and the limiting nut 6, the shaft of the multi-stage centrifugal pump can be supported by the jack 4 and the mandrel 5 when in use, and then the pump body is separated from the shaft by connecting the first connecting rod 2 and the second connecting rod 3 to the pump body, and the first connecting rod 2 and the second connecting rod 3 can be removed from the pressing plate 1 by unscrewing the limiting nut 6 when not in use, so that it can be conveniently stored and transported.

[0026] The mobile end of the jack 4 is fixedly connected with a connecting sleeve 7 for installing the push rod 5. A first groove 8 is provided at the end of the connecting sleeve 7 away from the jack 4. The inner side of the first groove 8 and the outer side of the push rod 5 are provided with mutually matching threads. When in use, the push rod 5 can be connected to the mobile end of the jack 4 through the connecting sleeve 7, the first groove 8 and the threads. The push rod 5 can also be removed when not in use.

[0027] The first connecting rod 2 and the second connecting rod 3 both include a pull rod 201, one end of the pull rod 201 is connected to a hanging plate 202, a through groove is opened in the middle of the hanging plate 202, and the other end of the pull rod 201 is connected to a stud 203 that cooperates with the limit nut 6. Through the setting of the stud 203, it can be conveniently used in conjunction with the limit nut 6, and through the setting of the hanging plate 202 and the through groove, it can be conveniently connected to the protrusion on the outside of the pump body.

[0028] The pressure plate 1 includes a plate body 101 made of a steel plate or a channel steel, and a first through hole 103 and a second through hole 104 are symmetrically provided on the plate body 101, which respectively cooperate with the first connecting rod 2 and the second connecting rod 3. A second groove 102 is provided between the first through hole 103 and the second through hole 104 and is provided on the plate body 101. The setting of the second groove 102 can facilitate the installation of the jack 4. The setting of the first through hole 103 and the second through hole 104 can facilitate the installation of the first connecting rod 2 and the second connecting rod 3. The diameters of the first through hole 103 and the second through hole 104 are both larger than the diameter of the pull rod 201.

[0029] In this embodiment, if Figure 1-Figure 6 As shown, the working process of a mining centrifugal pump body removal device provided in this embodiment is as follows:

[0030] When in use, the push rod 5 is pushed onto the shaft of the multistage centrifugal pump, and then the first connecting rod 2 and the second connecting rod 3 are connected to the pump body. At this time, the jack 4 is started to drive the push rod 5 to move, so that the pump body connected to the first connecting rod 2 and the second connecting rod 3 is pulled off the shaft of the multistage centrifugal pump.

[0031] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A mining centrifugal pump body removal device, characterized in that: The invention comprises a pressure plate (1), and a first connecting rod (2) and a second connecting rod (3) symmetrically mounted on the pressure plate (1); the first connecting rod (2) and the second connecting rod (3) both pass through the pressure plate (1); a jack (4) mounted on the pressure plate (1) is provided between the first connecting rod (2) and the second connecting rod (3); a push rod (5) is connected to the movable end of the jack (4); and a limit nut (6) located on one side of the pressure plate (1) is threadedly connected to the first connecting rod (2) and the second connecting rod (3).

2. A mining centrifugal pump body removal device as claimed in claim 1, characterized in that: The movable end of the jack (4) is fixedly connected with a connecting sleeve (7) for mounting the push rod (5).

3. A mining centrifugal pump body removal device as claimed in claim 2, characterized in that: A first groove (8) is formed at one end of the connecting sleeve (7) away from the jack (4).

4. A mining centrifugal pump body removal device as claimed in claim 3, characterized in that: The inner side of the first groove (8) and the outer side of the push rod (5) are both provided with threads that match each other.

5. The centrifugal pump body dismantling equipment for mining as claimed in claim 1, characterized in that: The first connecting rod (2) and the second connecting rod (3) both comprise a pull rod (201).

6. The centrifugal pump body dismantling equipment for mining as claimed in claim 5, characterized in that: One end of the pull rod (201) is connected to a hanging plate (202), and a through groove is provided in the middle of the hanging plate (202).

7. The pump body dismantling equipment for a mining centrifugal pump according to claim 6, characterized in that: The other end of the pull rod (201) is connected to a stud (203) that cooperates with the limit nut (6).

8. The centrifugal pump body dismantling equipment for mining as claimed in claim 1, characterized in that: The pressing plate (1) comprises a plate body (101) made of a steel plate or a channel steel.

9. The centrifugal pump body dismantling equipment for mining as claimed in claim 8, characterized in that: The plate body (101) is symmetrically provided with a first through hole (103) and a second through hole (104) respectively cooperating with the first connecting rod (2) and the second connecting rod (3).

10. The centrifugal pump body dismantling equipment for mining as claimed in claim 9, characterized in that: A second groove (102) opened on the plate body (101) is provided between the first through hole (103) and the second through hole (104).

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