CN219582739U - Circulating pump impeller dismounting device - Google Patents

Abstract

The utility model discloses a circulating pump impeller dismounting device, which relates to the technical field of impeller dismounting devices and comprises a fixed clamping ring and a movable clamping ring, wherein the fixed clamping ring is fixedly clamped on an impeller shaft, the movable clamping ring is in sliding sleeve connection with the impeller shaft, a jack is arranged on one side, close to the movable clamping ring, of the fixed clamping ring, a piston rod of the jack is propped against the movable clamping ring, a plurality of push rods which slide towards the radial direction are uniformly arranged on the movable clamping ring along the circumferential direction, the end parts of the push rods are provided with connecting blocks, and the connecting blocks are propped against the end face of an impeller. The utility model has the advantages of simple, convenient and quick installation and disassembly, high working efficiency, manpower and material resource saving, adjustable position of the push rod, adaptability to impellers with different excircle sizes, strong universality and maintenance cost saving.

Description

Circulating pump impeller dismounting device

Technical Field

The utility model relates to the technical field of impeller dismounting devices, in particular to a circulating pump impeller dismounting device.

Background

The circulating pump needs to be overhauled regularly, and when the impeller is overhauled, the impeller is very difficult to disassemble, and great inconvenience is brought to overhauling work. The existing disassembling tool is generally designed for impellers with specific sizes, only impellers with corresponding sizes can be disassembled, and the impellers with different excircle sizes are disassembled by using the disassembling tools with different models. This requires the manufacture of tools of different sizes, increasing the maintenance costs.

Disclosure of Invention

The utility model aims to provide a circulating pump impeller dismounting device, which solves the problems that the existing dismounting tool is fixed in size and can only be used for dismounting an impeller with an excircle size, and the universality is poor.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a circulating pump impeller dismounting device which comprises a fixed clamping ring and a movable clamping ring, wherein the fixed clamping ring is fixedly clamped on an impeller shaft, the movable clamping ring is sleeved on the impeller shaft in a sliding manner, a jack is arranged on one side, close to the movable clamping ring, of the fixed clamping ring, a piston rod of the jack is propped against the movable clamping ring, a plurality of pushing rods which slide towards the radial direction are uniformly arranged on the movable clamping ring along the circumferential direction, and connecting blocks are arranged at the end parts of the pushing rods and are propped against the end face of an impeller.

Further, the movable snap ring comprises two semicircular movable snap rings, a second connecting seat is connected to the outer wall of each semicircular movable snap ring, the two second connecting seats on each semicircular movable snap ring are locked and positioned through second connecting bolts after being aligned, a second mounting hole is formed in the center position of each semicircular movable snap ring, and the impeller shaft is sleeved in the second mounting hole in a sliding mode.

Still further, the mounting groove has been seted up to the inside of semi-circular movable snap ring, there is the end cover at the top of mounting groove through bolted connection, the inside rotation of mounting groove is connected with adjusting screw, adjusting screw's top surface is connected with adjustment handle, threaded connection has the adjustment seat on the adjusting screw, the push rod is connected on the adjustment seat, semi-circular movable snap ring is close to a plurality of spouts have evenly been seted up along circumference to one side of impeller, the push rod is followed the spout slides.

Still further, the bottom of adjusting screw passes through the bearing and rotates to be connected the bottom of mounting groove, the top of adjusting screw pass through the bearing with the end cover rotates to be connected.

Still further, fixed snap ring includes two semi-circular fixed snap rings, be connected with first connecting seat on the outer wall of semi-circular fixed snap ring, two on the semi-circular fixed snap ring first connecting seat aligns the back and locks the location through first connecting bolt, two semi-circular fixed snap ring's central point puts and is provided with first mounting hole, impeller axle fixed joint is in the first mounting hole.

Compared with the prior art, the utility model has the beneficial technical effects that:

the utility model has the advantages of simple, convenient and quick installation and disassembly, high working efficiency, manpower and material resource saving, adjustable position of the push rod, adaptability to impellers with different excircle sizes, strong universality and maintenance cost saving.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a front view of a circulating pump impeller removal apparatus of the present utility model;

FIG. 2 is a partial cross-sectional view of a movable clasp of the present utility model;

FIG. 3 is a left side view of the movable clasp of the present utility model;

FIG. 4 is a left side view of the retaining ring of the present utility model;

reference numerals illustrate: 1. an impeller shaft; 2. an impeller; 3. a fixed snap ring; 4. a movable clasp; 5. a jack; 6. adjusting a screw; 7. an adjusting seat; 8. a push rod; 9. an adjusting handle; 10. an end cap; 11. a connecting block; 301. a semicircular fixed clasp; 302. a first connection base; 303. a first connecting bolt; 304. a first mounting hole; 401. a mounting groove; 402. a semicircular movable clasp; 403. a second connecting seat; 404. a second connecting bolt; 405. a second mounting hole; 406. and a sliding groove.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-4, a circulating pump impeller dismounting device comprises a fixed snap ring 3 and a movable snap ring 4, wherein the fixed snap ring 3 is fixedly clamped on an impeller shaft 1, the movable snap ring 4 is in sliding sleeve joint on the impeller shaft 1, two jacks 5 are arranged on one side, close to the movable snap ring 4, of the fixed snap ring 3, piston rods of the jacks 5 are propped against the movable snap ring 4, a plurality of push rods 8 which slide radially are uniformly arranged on the movable snap ring 4 along the circumferential direction, connecting blocks 11 are connected to the end parts of the push rods 8, and the connecting blocks 11 are in butt joint with the end faces of impellers 2.

Specifically, as shown in fig. 3, the movable snap ring 4 includes two semicircular movable snap rings 402, a second connection seat 403 is connected to an outer wall of each semicircular movable snap ring 402, the second connection seats 403 on the two semicircular movable snap rings 402 are aligned and then locked and positioned by a second connection bolt 404, a second mounting hole 405 is formed in a central position of each semicircular movable snap ring 402, and the impeller shaft 1 is slidably sleeved in the second mounting hole 405.

The inside of semi-circular activity snap ring 402 has been seted up mounting groove 401, there is end cover 10 at the top of mounting groove 401 through bolted connection, the inside rotation of mounting groove 401 is connected with adjusting screw 6, the bottom of adjusting screw 6 is rotated through the bearing and is connected the bottom of mounting groove 401, the top of adjusting screw 6 pass through the bearing with end cover 10 rotates to be connected, the top surface of adjusting screw 6 is connected with adjustment handle 9, threaded connection has adjustment seat 7 on the adjusting screw 6, push rod 8 is connected on the adjustment seat 7, a plurality of spouts 406 have evenly been seted up along circumference to the one side that semi-circular activity snap ring 402 is close to impeller 2, push rod 8 follows spout 406 slides.

As shown in fig. 4, the fixing clasp 3 includes two semicircular fixing clasps 301, a first connecting seat 302 is connected to an outer wall of each semicircular fixing clasp 301, the two semicircular fixing clasps 301 are aligned and then locked and positioned by a first connecting bolt 303, a first mounting hole 304 is formed in a central position of each semicircular fixing clasp 301, and the impeller shaft 1 is fixedly clamped in the first mounting hole 304.

The working process of the utility model is as follows:

first, the movable snap ring 4 is mounted: the two semicircular movable clamping rings 402 are clamped on the impeller shaft 1, and the two semicircular movable clamping rings 402 are screwed together by using a second connecting bolt 404 to form a movable clamping ring 4, wherein the movable clamping ring 4 can slide on the impeller shaft 1;

then, the position of the push rod 8 is adjusted according to the size of the impeller 2: the adjusting handle 9 is rotated, the adjusting handle 9 drives the adjusting screw rod 6 to rotate, the adjusting seat 7 is driven to slide, the adjusting seat 7 drives the push rods 8 to synchronously slide, and the positions of the push rods 8 are adjusted according to the method, so that the connecting blocks 11 are in contact with the end surfaces of the impellers 2;

subsequently, the fixed snap ring 3 is installed: two semicircular fixed clamping rings 301 are buckled on the impeller shaft 1 to form a fixed clamping ring 3, the fixed clamping ring 3 is clamped and fixed on the impeller shaft 1, two jacks 5 are respectively arranged on the two semicircular fixed clamping rings 301, and a piston rod of each jack 5 is contacted with the movable clamping ring 4;

finally, the impeller 2 is disassembled: lifting the jack 5, so that a piston rod of each jack 5 pushes the movable clamp ring 4 leftwards, and when the movable clamp ring 4 is leftwards displaced, the impeller 2 is driven to leftwards displace on the impeller shaft 1, and the impeller 2 is detached.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (5)

1. The utility model provides a circulating pump impeller dismounting device which characterized in that: the movable clamping ring is fixedly clamped on an impeller shaft, the movable clamping ring is sleeved on the impeller shaft in a sliding mode, a jack is installed on one side, close to the movable clamping ring, of the fixed clamping ring, a piston rod of the jack is propped against the movable clamping ring, a plurality of push rods which slide towards the radial direction are uniformly arranged on the movable clamping ring along the circumferential direction, and connecting blocks are arranged at the end portions of the push rods and are propped against the end face of the impeller.

2. The circulating pump impeller dismounting apparatus of claim 1, wherein: the movable clamping ring comprises two semicircular movable clamping rings, a second connecting seat is connected to the outer wall of each semicircular movable clamping ring, the two semicircular movable clamping rings are locked and positioned through a second connecting bolt after being aligned, a second mounting hole is formed in the center of each semicircular movable clamping ring, and the impeller shaft is sleeved in the second mounting hole in a sliding mode.

3. The circulating pump impeller dismounting apparatus of claim 2, wherein: the inside of semi-circular activity snap ring has been seted up the mounting groove, the top of mounting groove has the end cover through bolted connection, the inside rotation of mounting groove is connected with adjusting screw, adjusting screw's top surface is connected with adjustment handle, threaded connection has the regulation seat on the adjusting screw, the push rod is connected on the regulation seat, semi-circular activity snap ring is close to a plurality of spouts have evenly been seted up along circumference in one side of impeller, the push rod is followed the spout slides.

4. A circulating pump impeller dismounting apparatus as claimed in claim 3, wherein: the bottom of adjusting screw passes through the bearing and rotates to be connected the bottom of mounting groove, adjusting screw's top pass through the bearing with the end cover rotates to be connected.

5. The circulating pump impeller dismounting apparatus of claim 1, wherein: the fixed snap ring comprises two semicircular fixed snap rings, a first connecting seat is connected to the outer wall of each semicircular fixed snap ring, the two semicircular fixed snap rings are aligned and then locked and positioned through a first connecting bolt, a first mounting hole is formed in the center of each semicircular fixed snap ring, and the impeller shaft is fixedly clamped in the first mounting hole.