Shaft sleeve dismounting device

Abstract

The utility model provides a shaft sleeve dismantling device, which is used for dismantling a shaft sleeve on a multi-stage drainage pump and comprises a fixing mechanism used for connecting the shaft sleeve; a fixing hole is formed in the fixing mechanism, a first connecting part and a second connecting part are formed on the side edge of the fixing mechanism, and the fixing hole is used for being connected with a shaft sleeve; the transmission mechanism comprises a first transmission rod, a second transmission rod and a transmission seat; one end of the first transmission rod is connected with the first connecting part, and the other end of the first transmission rod is connected with the transmission seat; one end of the second transmission rod is connected with the second connecting part, and the other end of the second transmission rod is connected with the transmission seat; and the power mechanism is connected with the transmission seat so as to drive the transmission mechanism to apply traction force to the shaft sleeve. The shaft sleeve dismounting device provided by the embodiment of the utility model is convenient for dismounting the shaft sleeve on the mining multi-stage drainage pump.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage drainage pumps, in particular to a shaft sleeve removal device. Background Art

[0002] Long-term use of multi-stage centrifugal pumps in mines will cause wear of balance discs, balance rings, packing sleeves, throttling sleeves, etc., which need to be replaced in time to avoid affecting production. However, due to site limitations, large hydraulic pullers cannot be used underground, and the use of oxygen-acetylene to cut the sleeves and use electric welding to weld the pull rods to the worn sleeves for removal will cause great damage to the rotor main shaft of the multi-stage drainage pump. Utility Model Content

[0003] The embodiment of the utility model provides a shaft sleeve removal device, which is convenient for removing the shaft sleeve on a multi-stage drainage pump for mining.

[0004] The utility model provides a shaft sleeve removal device for removing the shaft sleeve on a multi-stage drainage pump. The shaft sleeve removal device comprises:

[0005] A fixing mechanism, used for connecting the shaft sleeve; a fixing hole is formed on the fixing mechanism, a first connecting portion and a second connecting portion are formed on the side of the fixing mechanism, and the fixing hole is used for connecting the shaft sleeve;

[0006] The transmission mechanism comprises a first transmission rod, a second transmission rod and a transmission seat; one end of the first transmission rod is connected to the first connection part, and the other end of the first transmission rod is connected to the transmission seat; one end of the second transmission rod is connected to the second connection part, and the other end of the second transmission rod is connected to the transmission seat;

[0007] A power mechanism is connected to the transmission seat to drive the transmission mechanism to apply traction to the shaft sleeve.

[0008] Optionally, in the above-mentioned sleeve removal device, the fixing mechanism includes a first fixing member and a second fixing member;

[0009] The first fixing member comprises a first fixing body, a first fixing half hole is formed on the first fixing body, a first clamping lock tongue is formed on the side wall of the first fixing half hole; a first fixing seat and a second fixing seat are formed at one end of the first fixing body;

[0010] The second fixing member comprises a second fixing body, a second fixing half hole is formed on the second fixing body, a second clamping lock tongue is formed on the side wall of the second fixing half hole; a third fixing seat and a fourth fixing seat are formed at one end of the second fixing body;

[0011] The first fixing seat and the third fixing seat form a first connecting portion, and the second fixing seat and the fourth fixing seat form a second connecting portion.

[0012] Optionally, in the above-mentioned sleeve removal device, a first through hole is provided on the first fixing seat, a second through hole is provided on the second fixing seat, a third through hole is provided on the third fixing seat, and a fourth through hole is provided on the fourth fixing seat; the first through hole and the third through hole are connected by bolts, and the second through hole and the fourth through hole are connected by bolts.

[0013] Optionally, in the above-mentioned sleeve removal device, a threaded hole is provided on the transmission seat; the power mechanism is a rotating rod, and the rotating rod is connected to the threaded hole.

[0014] Optionally, in the above-mentioned sleeve removal device, the first fixing seat is provided with a first connecting half hole, the second fixing seat is provided with a second connecting half hole, the third fixing seat is provided with a third connecting half hole, and the fourth fixing seat is provided with a fourth connecting half hole;

[0015] The first connecting half hole and the third connecting half hole form a first connecting hole, and the first connecting hole is connected to the first transmission rod;

[0016] The second connecting half hole and the fourth connecting half hole form a second connecting hole, and the second connecting hole is connected to the second transmission rod.

[0017] Optionally, in the above-mentioned sleeve removal device, the transmission seat includes a transmission seat body, the transmission seat body has a first transmission hole and a second transmission hole, the first transmission hole is connected to the first transmission rod, and the second transmission hole is connected to the second transmission rod.

[0018] The shaft sleeve removal device provided by the utility model has a fixing mechanism that fixes and connects the shaft sleeve through a fixing hole thereon, and connects the first transmission rod through a first connection part and the second connection part to the second transmission rod; the power mechanism drives the transmission seat to drive the first transmission rod and the second transmission rod through the transmission seat, so that the first transmission rod and the second transmission rod apply traction force to the fixing mechanism, and the fixing mechanism applies traction force to the shaft sleeve, thereby achieving the purpose of removing the shaft sleeve. The shaft sleeve removal device provided by the utility model makes the shaft sleeve removal operation simple, facilitates the rapid removal of the shaft sleeve, improves the efficiency of shaft sleeve removal, occupies little space, and is convenient to use in mines. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the utility model, the following is a brief introduction to the drawings required for use in some embodiments of the utility model. Obviously, the drawings described below are only drawings of some embodiments of the utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the utility model, the actual process of the method, the actual timing of the signal, etc.

[0020] Figure 1 It is a structural schematic diagram of a shaft sleeve removal device provided according to some embodiments of the utility model;

[0021] Figure 2 It is a structural schematic diagram of another shaft sleeve removal device provided according to some embodiments of the utility model;

[0022] Figure 3 A structural schematic diagram of a fixing mechanism provided according to some embodiments of the utility model;

[0023] Figure 4 A schematic diagram of the structure of a first fixing member provided according to some embodiments of the utility model Figure 1 ;

[0024] Figure 5 A schematic diagram of the structure of a first fixing member provided according to some embodiments of the utility model Figure 2 ;

[0025] Figure 6 The present invention is a schematic structural diagram of a transmission base provided according to some embodiments of the present invention. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings to clearly and in detail describe the technical solutions in some embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments provided by the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0027] Unless the context requires otherwise, throughout the specification and claims, the term "comprising" is to be interpreted as having an open, inclusive meaning, that is, "including, but not limited to"; the terms "first" and "second" are not to be understood as indicating or implying relative importance or indicating an upper limit on quantity; the term "plurality" means two or more; the term "connected" is to be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, or an integral connection, and can be directly connected or indirectly connected through an intermediate medium; the use of the terms "suitable for" or "configured to" implies open and inclusive language, which does not exclude devices that are suitable for or configured to perform additional tasks or steps; descriptions such as "parallel", "perpendicular", "same", "consistent", and "flush" are not limited to absolute mathematical theoretical relationships, but also include an acceptable error range generated in practice, and also include differences based on the same design concept but due to manufacturing reasons.

[0028] The shaft sleeve removal device provided in the embodiment of the utility model is used for removing the shaft sleeve on a multi-stage water pump. Figure 1 The following is a schematic diagram of the structure of a sleeve removal device provided according to some embodiments of the utility model. Figure 1 As shown, the sleeve removal device provided by the embodiment of the utility model comprises a fixing mechanism 100, a transmission mechanism 200 and a power mechanism 300. The fixing mechanism 100 is used to fix the sleeve, the transmission mechanism 200 connects the power mechanism 300 and the fixing mechanism 100, and the transmission mechanism 200 transmits the power of the power mechanism 300 to the fixing mechanism 100 through the transmission mechanism 200, and then transmits the power to the fixing mechanism 100, so as to apply force to remove the sleeve from the water pump.

[0029] The fixing mechanism 100 is formed with a fixing hole 110, and the fixing hole 110 is used to be sleeved on the shaft sleeve to fix the shaft sleeve. The side of the fixing mechanism 100 is formed with a plurality of connecting parts, and the connecting parts are used to connect the transmission mechanism 200. The side of the fixing mechanism 100 is formed with two, three or four connecting parts. Exemplarily, the side of the fixing mechanism 100 is formed with a first connecting part 120 and a second connecting part 130, and the first connecting part 120 is located at one end of the fixing mechanism 100, and the second connecting part 130 is located at the other end of the fixing mechanism 100. In some embodiments, the first connecting part 120 and the second connecting part 130 are symmetrically arranged at both ends of the fixing hole 110, so that the fixing mechanism 100 can smoothly apply traction to the shaft sleeve, thereby removing the shaft sleeve from the water pump.

[0030] The transmission mechanism 200 includes a transmission rod 210 and a transmission seat 220, one end of the transmission rod 210 is connected to the fixing mechanism 100, and the other end of the transmission rod 210 is connected to the transmission seat 220. The transmission mechanism 200 includes multiple transmission rods 210, such as 2, 3, 4, etc. Exemplarily, the transmission rod 210 includes a first transmission rod 211 and a second transmission rod 212; one end of the first transmission rod 211 is connected to the first connecting portion 120, and the other end of the first transmission rod 211 is connected to the transmission seat 220; one end of the second transmission rod 212 is connected to the second connecting portion 130, and the other end of the second transmission rod 212 is connected to the transmission seat 220. In some embodiments, the first transmission rod 211 and the second transmission rod 212 are respectively connected to the transmission seat 220 by threads.

[0031] The power mechanism 300 drives and connects the transmission seat 220. In some embodiments, the power mechanism 300 is a jack, one end of which supports and connects the transmission seat 220, so as to apply the driving force of the jack to the transmission seat 220, and transmit the driving force to the first transmission rod 211 and the second transmission rod 212 through the transmission seat 220, and then transmit the driving force to the fixing mechanism 100 through the first transmission rod 211 and the second transmission rod 212, and finally apply it to the shaft sleeve through the fixing mechanism 100.

[0032] The sleeve removal device provided by the embodiment of the utility model has a fixing mechanism 100 that fixes and connects the sleeve through the fixing hole 110 thereon, and connects the first transmission rod 211 and the second transmission rod 212 through the first connection part 120 and the second connection part 130; the power mechanism 300 drives the transmission seat 220 to drive the first transmission rod 211 and the second transmission rod 212 through the transmission seat 220, so that the first transmission rod 211 and the second transmission rod 212 apply traction force to the fixing mechanism 100, and the fixing mechanism 100 applies traction force to the sleeve, thereby achieving the purpose of removing the sleeve. The sleeve removal device provided by the utility model makes the sleeve removal operation simple, facilitates the rapid sleeve removal, improves the sleeve removal efficiency, occupies little space, and is convenient to use in mines.

[0033] Figure 2 Schematic diagram of another sleeve removal device provided according to some embodiments of the utility model. Figure 2 As shown, the power mechanism 300 includes a rotating rod 310, and the rotating rod 310 is threadedly connected to the transmission seat 220. The end of the rotating rod 310 is connected to the drainage pump, and the rotating rod 310 is rotated to move the rotating rod 310 in the direction of the sleeve. The drainage pump supports the rotating rod 310, and the rotating rod 310 applies a force to the transmission seat 220. The force is transmitted to the fixing mechanism 100 through the first transmission rod 211 and the second transmission rod 212, and finally applied to the sleeve through the fixing mechanism 100.

[0034] In some embodiments, the power mechanism 300 further includes a rotating handle 320, which is disposed at the end of the rotating rod 310. The rotating handle 320 is used to facilitate the rotation of the rotating rod 310.

[0035] Figure 3 Schematic diagram of a fixing mechanism provided according to some embodiments of the present utility model. Figure 3 As shown, the fixing mechanism 100 includes a first fixing member 140 and a second fixing member 150 , and the first fixing member 140 and the second fixing member 150 are combined to form a first fixing hole 110 , a first connecting portion 120 and a second connecting portion 130 .

[0036] Figure 4 A schematic diagram of the structure of a first fixing member provided according to some embodiments of the utility model Figure 1 , Figure 5 A schematic diagram of the structure of a first fixing member provided according to some embodiments of the utility model Figure 2 .like Figure 3-Figure 5 As shown, the first fixing member 140 includes a first fixing body 141, a first fixing half hole 142 is formed on the first fixing body 141, and a first clamping lock tongue 143 is provided on the side wall of the first fixing body 141. A first fixing seat 144 is provided at one end of the first fixing body 141, and a second fixing seat 145 is provided at the other end of the first fixing body 141. Exemplarily, the outer contour of the first fixing body 141 is a cylindrical surface, which is convenient for controlling the volume of the first fixing body 141 and convenient for use.

[0037] In some embodiments, the first locking tongue 143 extends from one end of the first fixed body 141 to the other end of the first fixed body 141; of course, in some embodiments, the first locking tongue 143 includes a plurality of locking tongue pieces. The first locking tongue 143 is used to assemble the connecting sleeve, so as to facilitate a more secure connection between the first fixed body 141 and the sleeve.

[0038] In some embodiments, the first fixing seat 144 is provided with a first through hole 1441, and the second fixing seat 145 is provided with a second through hole 1451, and the first through hole 1441 and the second through hole 1451 are used to connect the second fixing member 150. Exemplarily, the first through hole 1441 and the second through hole 1451 are respectively connected to the second fixing member 150 by bolts.

[0039] In some embodiments, a first connecting half hole 1442 is further provided on the first fixing seat 144 , and a second connecting half hole 1452 is further provided on the second fixing seat 145 . The first connecting half hole 1442 is used to connect the first transmission rod 211 , and the second connecting half hole 1452 is used to connect the first transmission rod 212 .

[0040] In some embodiments, the second fixing member 150 includes a second fixing body, a second fixing half hole is formed on the second fixing body, and a second clamping lock tongue is provided on the side wall of the second fixing body. A third fixing seat is provided at one end of the second fixing body, and a fourth fixing seat is provided at the other end of the second fixing body. Exemplarily, the outer contour of the second fixing body is a cylindrical surface, which is convenient for controlling the volume of the second fixing body and is convenient for use.

[0041] The specific structure of the second fixing member 150 can be referred to Figure 4 and Figure 5 The structure of the first fixing member 140 is shown in FIG. The third fixing seat is used to connect the first fixing seat 144, and the third fixing seat and the first fixing seat 144 form the first connecting portion 120; the fourth fixing seat is used to connect the second fixing seat 145, and the fourth fixing seat and the second fixing seat 145 form the second connecting portion 130. The second clamping lock tongue is used to assemble the connecting sleeve, so as to facilitate a more tightened connection between the second fixing body and the sleeve.

[0042] In some embodiments, a third through hole is disposed on the third fixing seat, a fourth through hole is disposed on the fourth fixing seat, the third through hole is connected to the first through hole 1441 by bolts, and the fourth through hole is connected to the second through hole 1451 by bolts.

[0043] In some embodiments, a third connecting half hole is also provided on the third fixed seat, and a fourth connecting half hole is also provided on the fourth fixed seat. The third connecting half hole and the first connecting half hole 1442 form a first connecting hole, and the first connecting hole is connected to the first transmission rod 211; the fourth connecting half hole and the second connecting half hole 1452 form a second connecting hole, and the second connecting hole is connected to the first transmission rod 212.

[0044] Figure 6 Schematic diagram of the structure of a transmission seat provided according to some embodiments of the utility model. Figure 6 As shown, the transmission seat 220 includes a transmission seat body 221 , and a first transmission hole 222 and a second transmission hole 223 are provided on the transmission seat body 221 . The first transmission hole 222 is used to connect the first transmission rod 211 , and the second transmission hole 223 is used to connect the second transmission rod 212 .

[0045] In some embodiments, a third transmission hole 224 is further provided on the transmission seat body 221 , and the third transmission hole 224 is used to connect the rotating rod 310 .

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A sleeve removal device, characterized in that: Used to remove the shaft sleeve on a multi-stage drainage pump, the shaft sleeve removal device comprises: A fixing mechanism, used for connecting the shaft sleeve; a fixing hole is formed on the fixing mechanism, a first connecting portion and a second connecting portion are formed on the side of the fixing mechanism, and the fixing hole is used for connecting the shaft sleeve; The transmission mechanism comprises a first transmission rod, a second transmission rod and a transmission seat; one end of the first transmission rod is connected to the first connection part, and the other end of the first transmission rod is connected to the transmission seat; one end of the second transmission rod is connected to the second connection part, and the other end of the second transmission rod is connected to the transmission seat; A power mechanism is connected to the transmission seat to drive the transmission mechanism to apply traction to the shaft sleeve.

2. The sleeve removal device according to claim 1, characterized in that: The fixing mechanism comprises a first fixing member and a second fixing member; The first fixing member comprises a first fixing body, a first fixing half hole is formed on the first fixing body, a first clamping lock tongue is formed on the side wall of the first fixing half hole; a first fixing seat and a second fixing seat are formed at one end of the first fixing body; The second fixing member comprises a second fixing body, a second fixing half hole is formed on the second fixing body, a second clamping lock tongue is formed on the side wall of the second fixing half hole; a third fixing seat and a fourth fixing seat are formed at one end of the second fixing body; The first fixing seat and the third fixing seat form a first connecting portion, and the second fixing seat and the fourth fixing seat form a second connecting portion.

3. The sleeve removal device according to claim 2, characterized in that: The first fixing seat is provided with a first through hole, the second fixing seat is provided with a second through hole, the third fixing seat is provided with a third through hole, and the fourth fixing seat is provided with a fourth through hole; the first through hole and the third through hole are connected by bolts, and the second through hole and the fourth through hole are connected by bolts.

4. The sleeve removal device according to claim 2, characterized in that: A threaded hole is arranged on the transmission seat; the power mechanism is a rotating rod, and the rotating rod is connected to the threaded hole.

5. The sleeve removal device according to claim 2, characterized in that: The first fixing seat is provided with a first connecting half hole, the second fixing seat is provided with a second connecting half hole, the third fixing seat is provided with a third connecting half hole, and the fourth fixing seat is provided with a fourth connecting half hole; The first connecting half hole and the third connecting half hole form a first connecting hole, and the first connecting hole is connected to the first transmission rod; The second connecting half hole and the fourth connecting half hole form a second connecting hole, and the second connecting hole is connected to the second transmission rod.

6. The sleeve removal device according to claim 1, characterized in that: The transmission seat comprises a transmission seat body, on which a first transmission hole and a second transmission hole are arranged, wherein the first transmission hole is connected to the first transmission rod, and the second transmission hole is connected to the second transmission rod.

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