CN221048339U

CN221048339U - Auxiliary dismounting device for screw pump

Info

Publication number: CN221048339U
Application number: CN202322747914.1U
Authority: CN
Inventors: 王星辰; 郑建锋; 倪文磊
Original assignee: Jiangsu Sino French Water Co ltd
Current assignee: Jiangsu Sino French Water Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-05-31
Anticipated expiration: 2033-10-13

Abstract

The utility model discloses an auxiliary dismounting device for a screw pump, which comprises a base, wherein the top end of the base is fixedly connected with a lower I-shaped plate, the top end of the lower I-shaped plate is provided with an upper I-shaped plate, both sides of the top end of the lower I-shaped plate are welded with fixing plates, the top end of the outer surface of each fixing plate is provided with a limiting groove, and both sides of the top end of the upper I-shaped plate are provided with through grooves in a penetrating way. When the stator is disassembled, the movable plate is pulled to enable the first spring and the telescopic rod to be in a contracted state, so that the clamping block is separated from the inside of the clamping groove, the first connecting plate and the second connecting plate are synchronously rotated outwards, separated from the inside of the limiting groove, and then the upper I-shaped plate is pulled upwards, so that the stator can be taken out to complete the disassembly, the convenience and the rapidness are realized, the requirements of staff are met, and the screw pump stator and rotor disassembly auxiliary device is an independent device relative to the screw pump, has a simple structure and can be repeatedly used in the screw pump disassembly work of the same specification.

Description

Auxiliary dismounting device for screw pump

Technical Field

The utility model relates to the technical field of screw pumps, in particular to an auxiliary dismounting device for a screw pump.

Background

The closed discharge pump is a single screw pump and mainly used for pumping the oily sewage in the closed discharge tank to the crude oil manifold. The power of the single-screw pump is transmitted to a rotor (screw) through a motor driving a reduction gearbox, a bearing box and a universal coupling, and liquid is extracted through the engagement between the rotor and a stator. The single-screw pump is used as a closed pump, so that the overall use effect is good, but the closed pump is high in viscosity of a conveying medium and high in impurity content, the stator or the rotor of the single-screw pump is often damaged, the universal coupling is damaged when serious, the bearing of the bearing box is damaged or the bearing box is cracked, large vibration and abnormal sound are generated, and the use of the pump is seriously affected. The single-screw pump rotor disassembling and inspecting process comprises the steps of disassembling the motor, the reduction gearbox, the bearing box and the universal coupling, and finally disassembling and separating the rotor and the stator for overhauling.

The utility model patent with the publication number of CN216030438U discloses a stator dismounting structure of a single-screw pump, which is characterized in that a metal outer pipe is arranged, mounting blocks are respectively welded at opposite positions on the outer side of the metal outer pipe, threaded holes are formed in the mounting blocks, a screw rod is detachably connected in the threaded holes, a U-shaped anti-rotating seat is arranged on a dismounting platform below the stator, one end of the screw rod penetrates through threads on the U-shaped anti-rotating seat and then is connected with the threaded holes on the corresponding mounting blocks, so that the stator is fixed, and the dismounting and the replacement of the stator are realized.

The device has the defects that the installation blocks are directly welded on the outer side of the metal outer tube (stator), and when the stator and the rotor of different single-screw pumps are disassembled, the installation blocks are required to be welded in advance, so that the installation operation is complex, and the installation blocks cannot be reused on the different single-screw pumps.

Disclosure of utility model

In order to solve the technical problems, the technical scheme provides an auxiliary dismounting device for the screw pump, which solves the problems that when stator and rotor dismounting is carried out on different single screw pumps, the mounting blocks are required to be welded in advance, the mounting operation is complex, and the mounting blocks cannot be reused on different single screw pumps.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides an auxiliary dismounting device of screw pump, includes the base, the top fixedly connected with of base is I-shaped board down, the I-shaped board is installed on the top of I-shaped board down, the fixed plate has all been welded on the top both sides of I-shaped board down, the spacing groove has been seted up on the top of fixed plate surface, logical groove has all been run through on the top both sides of last I-shaped board, the fixed slot has all been seted up to one side that goes up I-shaped board and I-shaped board down are close to each other, the inside of fixed slot is provided with the stator, the top both sides of going up I-shaped board still are provided with stop gear, just the shape and the size of fixed slot and fixed plate looks adaptation.

Preferably, the limiting mechanism comprises a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are respectively connected with the left side and the right side of the top end of the upper I-shaped plate in a rotating mode.

Preferably, the outside of first connecting plate has seted up the bar groove, the inside fixed mounting in bar groove has the telescopic link, the scalable end and the fly leaf fixed connection of telescopic link, the outside cover of telescopic link is equipped with first spring, one side fixed mounting that the fly leaf kept away from first spring has the fixture block.

Preferably, one end of the first spring is fixedly connected to the inner wall of the strip-shaped groove, and the other end of the first spring is fixedly connected with the movable plate.

Preferably, a clamping groove matched with the clamping block is formed in one end of the second connecting plate.

Preferably, a pull rod is arranged at the bottom end of the stator, and pull rod positioning grooves matched with the pull rod are formed in the front side and the rear side of the top end of the lower I-shaped plate.

Preferably, the telescopic link includes the sleeve, telescopic inside fixedly connected with second spring, the other end and the moving part fixed connection of second spring, just the opposite side fixed mounting of moving part has the movable lever, the spout has all been seted up to the inside upside of sleeve, the upside of moving part is sliding connection respectively in two sets of the inside of spout.

Compared with the prior art, the utility model provides an auxiliary dismounting device for a screw pump, which has the following beneficial effects:

When the stator is disassembled, the movable plate is pulled to enable the first spring and the telescopic rod to be in a contracted state, so that the clamping block is separated from the inside of the clamping groove, the first connecting plate and the second connecting plate are synchronously rotated outwards, separated from the inside of the limiting groove, and then the upper I-shaped plate is pulled upwards, so that the stator can be taken out to complete the disassembly, the convenience and the rapidness are realized, the requirements of staff are met, and the screw pump stator and rotor disassembly auxiliary device is an independent device relative to the screw pump, has a simple structure and can be repeatedly used in the screw pump disassembly work of the same specification.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the lower I-plate of the present utility model;

FIG. 3 is a schematic view of the structure of the upper I-plate of the present utility model;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present utility model;

fig. 5 is a schematic view of the internal structure of the telescopic rod according to the present utility model.

The reference numerals in the figures are:

1. A base; 101. a lower I-shaped plate; 102. a pull rod positioning groove; 103. a fixing plate; 104. a limit groove; 105. an upper I-shaped plate; 106. a fixing groove; 107. a through groove; 108. a stator; 109. a pull rod; 2. a limiting mechanism; 201. a first connection plate; 202. a bar-shaped groove; 203. a telescopic rod; 204. a first spring; 205. a movable plate; 206. a clamping block; 207. a second connecting plate; 208. a clamping groove; 209. a sleeve; 210. a second spring; 211. a movable member; 212. a movable rod; 213. and a sliding groove.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Examples

Referring to fig. 1, fig. 2 and fig. 3, an auxiliary disassembling device for a screw pump includes a base 1, a lower i-plate 101 is fixedly connected to the top end of the base 1, an upper i-plate 105 is mounted on the top end of the lower i-plate 101, fixing plates 103 are welded on two sides of the top end of the lower i-plate 101, a limit groove 104 is formed on the top end of the outer surface of the fixing plates 103, through grooves 107 are formed on two sides of the top end of the upper i-plate 105 in a penetrating manner, fixing grooves 106 are formed on two sides of the upper i-plate 105, which are close to each other, of the lower i-plate 101, stators 108 are arranged in the fixing grooves 106, a limit mechanism 2 is further arranged on two sides of the top end of the upper i-plate 105, and the shape and the size of the fixing grooves 106 are matched with those of the fixing plates 103.

Referring to fig. 4, the limiting mechanism 2 includes a first connecting plate 201 and a second connecting plate 207, and the first connecting plate 201 and the second connecting plate 207 are respectively rotatably connected to the left and right sides of the top end of the upper i-shaped plate 105.

Referring to fig. 4, a bar-shaped groove 202 is formed on the outer side of the first connecting plate 201, a telescopic rod 203 is fixedly mounted in the bar-shaped groove 202, a telescopic end of the telescopic rod 203 is fixedly connected with a movable plate 205, a first spring 204 is sleeved on the outer side of the telescopic rod 203, and a clamping block 206 is fixedly mounted on one side, away from the first spring 204, of the movable plate 205.

Referring to fig. 4, one end of the first spring 204 is fixedly connected to the inner wall of the bar-shaped groove 202, and the other end of the first spring 204 is fixedly connected to the movable plate 205.

Referring to fig. 3, a clamping groove 208 adapted to the clamping block 206 is formed at one end of the second connecting plate 207.

Referring to fig. 1, a pull rod 109 is disposed at the bottom end of a stator 108, and pull rod positioning slots 102 adapted to the pull rod 109 are disposed on the front and rear sides of the top end of the lower i-plate 101.

In this scheme, four pull rods 109 arranged in square are arranged on the outer side of a single-screw pump stator 108, when in use, firstly, two pull rods 109 on the upper portion are disassembled, a base 1 is placed on the ground, the stator 108 is erected inside a fixed groove 106 formed in a lower i-shaped plate 101, meanwhile, the pull rods 109 on the lower portion on the outer side of the single-screw pump stator 108 enter a pull rod positioning groove 102, a fixed plate 103 is inserted into a through groove 107 formed in an upper i-shaped plate 105, then a first connecting plate 201 is rotated, the first connecting plate 201 is clamped in the limiting groove 104, a movable plate 205 is pulled, a first spring 204 and a telescopic rod 203 are both in a contracted state, then a second connecting plate 207 is rotated, one end of the second connecting plate 207 is clamped in the inside the strip-shaped groove 202, the movable plate 205 is loosened, under the action of restoring deformation of the first spring 204, the movable plate 205 is quickly reset, a clamping block 206 is driven to be clamped inside the clamping groove 208, the first connecting plate 201 and the second connecting plate 207 are connected together, and the lower plate 101 and the upper plate 105 are reliably connected, so that the stator 108 is disassembled.

Examples

Further in this embodiment, referring to fig. 1, the telescopic rod 203 includes a sleeve 209, a second spring 210 is fixedly connected to the inside of the sleeve 209, the other end of the second spring 210 is fixedly connected to a movable member 211, a movable rod 212 is fixedly mounted on the other side of the movable member 211, sliding grooves 213 are formed on the upper and lower sides of the inside of the sleeve 209, and the upper and lower sides of the movable member 211 are respectively slidably connected to the inside of the two groups of sliding grooves 213.

In this scheme, the first spring 204 is contracted by pulling the movable plate 205, meanwhile, the second spring 210 is also in a contracted state, the movable rod 212 enters into the sleeve 209, and when the movable plate 205 is released, the movable rod 212 can be quickly reset under the action of the restoring deformation of the second spring 210, which is the telescoping principle of the telescoping rod 203, which is a conventional technology.

The working principle and the using flow of the device are as follows: when the stator 108 is disassembled, the movable plate 205 is pulled to enable the first spring 204 and the telescopic rod 203 to be in a contracted state, so that the clamping block 206 is separated from the clamping groove 208, the first connecting plate 201 and the second connecting plate 207 are synchronously rotated outwards, the clamping block is separated from the limiting groove 104, the upper I-shaped plate 105 is pulled upwards, the stator 108 can be taken out to complete the disassembly, and the requirements of staff are met.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an auxiliary dismounting device of screw pump, its characterized in that, including base (1), I-shaped board (101) under the top fixedly connected with of base (1), I-shaped board (105) are installed on the top of I-shaped board (101) down, fixed plate (103) have all been welded on the top both sides of I-shaped board (101) down, spacing groove (104) have been seted up on the top of fixed plate (103) surface, logical groove (107) have all been run through on the top both sides of I-shaped board (105), fixed slot (106) have all been seted up to one side that I-shaped board (105) and I-shaped board (101) are close to each other down, the inside of fixed slot (106) is provided with stator (108), the top both sides of going up I-shaped board (105) still are provided with stop gear (2), just the shape and the size of fixed slot (106) looks adaptation with fixed plate (103).

2. The screw pump auxiliary dismounting device as claimed in claim 1, wherein: the limiting mechanism (2) comprises a first connecting plate (201) and a second connecting plate (207), and the first connecting plate (201) and the second connecting plate (207) are respectively connected to the left side and the right side of the top end of the upper I-shaped plate (105) in a rotating mode.

3. The screw pump auxiliary dismounting device as claimed in claim 2, wherein: the outside of first connecting plate (201) has seted up bar groove (202), the inside fixed mounting in bar groove (202) has telescopic link (203), the scalable end and the fly leaf (205) fixed connection of telescopic link (203), the outside cover of telescopic link (203) is equipped with first spring (204), one side fixed mounting that first spring (204) were kept away from to fly leaf (205) has fixture block (206).

4. A screw pump auxiliary dismounting device as claimed in claim 3, wherein: one end of the first spring (204) is fixedly connected to the inner wall of the strip-shaped groove (202), and the other end of the first spring (204) is fixedly connected with the movable plate (205).

5. A screw pump auxiliary dismounting device as claimed in claim 3, wherein: one end of the second connecting plate (207) is provided with a clamping groove (208) matched with the clamping block (206).

6. The screw pump auxiliary dismounting device as claimed in claim 1, wherein: the bottom of stator (108) is provided with pull rod (109), pull rod constant head tank (102) with pull rod (109) looks adaptation are seted up to the front and back both sides on lower I-plate (101) top.

7. A screw pump auxiliary dismounting device as claimed in claim 3, wherein: the telescopic rod (203) comprises a sleeve (209), a second spring (210) is fixedly connected to the inside of the sleeve (209), the other end of the second spring (210) is fixedly connected with a movable piece (211), a movable rod (212) is fixedly arranged on the other side of the movable piece (211), sliding grooves (213) are formed in the upper side and the lower side of the inside of the sleeve (209), and the upper side and the lower side of the movable piece (211) are respectively connected to the inside of the two groups of sliding grooves (213) in a sliding mode.