CN219768134U

CN219768134U - Drawing assembly and disassembling tool with same

Info

Publication number: CN219768134U
Application number: CN202320480740.4U
Authority: CN
Inventors: 温云峰; 赵秉国; 刘俊峰; 焦劲光; 白俊荷
Original assignee: Inner Mongolia Mengtai Buliangou Coal Industry Co ltd
Current assignee: Inner Mongolia Mengtai Buliangou Coal Industry Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-09-29
Anticipated expiration: 2033-03-10

Abstract

The utility model relates to a drawing assembly and a disassembling tool with the drawing assembly, wherein the drawing assembly comprises: the flange plate is provided with a central hole and a plurality of through holes along the thickness direction of the flange plate, the central hole is positioned in the middle of the flange plate, the through holes are arranged at intervals along the circumference of the central hole, the central hole is suitable for being sleeved on the outer wall of the shaft sleeve, the through holes are suitable for being penetrated by connecting pieces to be connected with the balance plate, the fastening part is arranged on the flange plate, and the fastening part is movable along the radial direction of the central hole to clamp and release the shaft sleeve. The drawing assembly is convenient to detach the bearing sleeve and the balance disc, and is beneficial to improving the maintenance efficiency.

Description

Drawing assembly and disassembling tool with same

Technical Field

The utility model relates to the technical field of detaching tools, in particular to a drawing assembly and a detaching tool with the same.

Background

The main drainage pump bears the drainage task of the whole mine and is one of important equipment for mine exploitation. The main draining pump balancing disc and its shaft sleeve have important function in centrifugal pump, and the main draining pump is one axial force balancing device for the main draining pump. In operation, the pump always has a pressure from the outlet end to the inlet end, and in order to relieve this pressure to reduce wear, a balancing disk is added to the main drain pump design. In the use of the water pump, the shaft sleeve and the balance disc of the water pump are worn in the operation process, so that the shaft sleeve and the balance disc are vulnerable parts of the main drainage pump and need to be replaced regularly, and the normal operation of the water pump is ensured. However, in the related art, the disassembly of the sleeve and the balance disc is inconvenient, resulting in a low maintenance efficiency of the water pump.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides a drawing assembly which is convenient for disassembling a shaft sleeve and a balance disc and is beneficial to improving maintenance efficiency.

The embodiment of the utility model also provides a disassembling tool.

The drawing assembly of an embodiment of the present utility model includes: the flange plate is provided with a central hole and a plurality of through holes along the thickness direction of the flange plate, the central hole is positioned in the middle of the flange plate, the plurality of through holes are arranged at intervals along the circumferential direction of the central hole, the central hole is suitable for being sleeved on the outer wall of the shaft sleeve, and the through holes are suitable for being penetrated by connecting pieces to be connected with the balance plate; and the fastening part is arranged on the flange plate and can move along the radial direction of the central hole so as to clamp and release the shaft sleeve.

According to the drawing assembly provided by the embodiment of the utility model, when the sleeve is drawn, the flange plate can be sleeved on the sleeve, then the sleeve is clamped by moving the fastening part towards the central hole, and then the peripheral edge of the flange plate is clamped by the wheel puller, so that the sleeve is detached from the water pump shaft. When drawing the balance disc, can establish the ring flange cover on the water pump shaft, then wear to locate the through-hole with the connecting piece and link to each other with the balance disc to fix ring flange and balance disc, then block the periphery edge of ring flange through the wheel pulling device, thereby dismantle the balance disc from the water pump shaft. Therefore, the drawing assembly provided by the embodiment of the utility model can be used for conveniently disassembling the shaft sleeve and the balance disc on the water pump, and is beneficial to improving the maintenance efficiency.

In some embodiments, the fastening member includes a nut member provided on the flange plate, and a screw member penetrating the nut member in a radial direction of the center hole.

In some embodiments, at least two nut members are arranged at intervals along the radial direction of the central hole, and the threaded member is arranged on the two nut members in a penetrating manner.

In some embodiments, the fastening members are a plurality of, and the plurality of fastening members are arranged at intervals along the circumference of the center hole.

In some embodiments, the fastening members are three, and the three fastening members are arranged at equal intervals along the circumference of the central hole.

In some embodiments, at least two of the through holes have different inner diameters; and/or, the through hole is a threaded hole.

In some embodiments, a plurality of the through holes are equally spaced along the circumference of the central hole.

According to another embodiment of the present utility model, a detaching tool includes: the drawing assembly is any one of the drawing assemblies according to the embodiment of the utility model; the wheel pulling device is connected with the drawing assembly.

According to the dismounting tool provided by the embodiment of the utility model, when the sleeve is pulled, the flange plate can be sleeved on the sleeve, then the sleeve is clamped by moving the fastening part towards the central hole, and then the peripheral edge of the flange plate is clamped by the wheel puller, so that the sleeve is dismounted from the water pump shaft. When drawing the balance disc, can establish the ring flange cover on the water pump shaft, then wear to locate the through-hole with the connecting piece and link to each other with the balance disc to fix ring flange and balance disc, then block the periphery edge of ring flange through the wheel pulling device, thereby dismantle the balance disc from the water pump shaft. Therefore, the dismounting tool provided by the embodiment of the utility model can conveniently dismount the shaft sleeve and the balance disc on the water pump, and is beneficial to improving the maintenance efficiency.

Drawings

Fig. 1 is a front view of a drawing assembly of an embodiment of the present utility model.

Fig. 2 is a side view of a drawing assembly according to an embodiment of the utility model.

Fig. 3 is a cross-sectional view of a drawing assembly according to an embodiment of the utility model.

Fig. 4 is a schematic view of a drawing assembly drawing sleeve according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram of a drawing assembly drawing balance disc of an embodiment of the present utility model.

Reference numerals:

1. a flange plate; 11. a central bore; 12. a through hole;

2. a fastening member; 21. a nut member; 22. a screw;

3. a connecting piece; 31. a screw cap; 32. a bolt;

4. a water pump shaft;

5. a shaft sleeve;

6. balance disc.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A drawing assembly and a removing tool having the same according to an embodiment of the present utility model are described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the drawing assembly according to an embodiment of the present utility model includes: a flange plate 1 and a fastening member 2. The flange plate 1 is provided with a central hole 11 and a plurality of through holes 12 along the thickness direction, the central hole 11 is positioned in the middle of the flange plate 1, the plurality of through holes 12 are arranged at intervals along the circumferential direction of the central hole 11, the central hole 11 is suitable for being sleeved on the outer wall of the shaft sleeve 5, and the through holes 12 are suitable for being penetrated with the connecting piece 3 so as to be connected with the balance plate 6. A fastening member 2 is provided on the flange 1, the fastening member 2 being movable in a radial direction of the central hole 11 to clamp and release the sleeve 5.

It will be appreciated that the axis of the central bore 11 is collinear with the axis of the flange 1. The bore diameter of the central bore 11 is larger than the outer diameter of the sleeve 5. The shaft sleeve 5 is sleeved on the water pump shaft 4, and the flange plate 1 is sleeved on the shaft sleeve 5 through the central hole 11.

According to the drawing assembly of the embodiment of the present utility model, when the sleeve 5 is drawn, the flange 1 may be sleeved on the sleeve 5, then the sleeve 5 is clamped by the movement of the fastening member 2 toward the central hole 11, and then the outer circumferential edge of the flange 1 is caught by the pulley extractor, thereby removing the sleeve 5 from the water pump shaft 4. When the balance disc 6 is drawn, the flange disc 1 can be sleeved on the water pump shaft 4, then the connecting piece 3 is arranged through the through hole 12 in a penetrating mode and is connected with the balance disc 6, so that the flange disc 1 and the balance disc 6 are fixed, and then the periphery edge of the flange disc 1 is clamped through the wheel puller, so that the balance disc 6 is detached from the water pump shaft 4. Therefore, the drawing assembly of the embodiment of the utility model can conveniently disassemble the shaft sleeve 5 and the balance disc 6 on the water pump, and is beneficial to improving the maintenance efficiency.

Alternatively, as shown in fig. 1 and 3, the fastening member 2 includes a nut member 21 and a screw member 22, the nut member 21 being provided on the flange 1, the screw member 22 being provided on the nut member 21 in a penetrating manner in a radial direction of the center hole 11. It will be appreciated that the nut member 21 may be welded to the axial end face of the flange plate 1, and that the screw member 22 is screwed into the screw hole of the nut member 21. The screw 22 may be screwed inward in a radial direction toward the center hole 11 so that one end of the screw 22 is abutted against the boss 5, thereby improving the connection firmness of the drawing assembly and the boss 5. In addition, the drawing component of the embodiment of the utility model can lead the processing and manufacturing of the drawing component to be simple, the material drawing to be convenient and the cost to be lower by arranging the fastening component 2 into the structure.

Alternatively, at least two nut members 21 are provided, the two nut members 21 are arranged at intervals in the radial direction of the center hole 11, and the screw member 22 is threaded on the two nut members 21. It will be appreciated that the nut member 21 may be two or more. For example, in the embodiment of the present utility model, the nut members 21 are two. The drawing assembly of the embodiment of the utility model can improve the connection firmness of the fastening part 2 and the flange plate 1 by arranging the two nut pieces 21, so that the service life of the drawing assembly is longer.

In some embodiments, as shown in fig. 1, the fastening members 2 are plural, and the plural fastening members 2 are arranged at intervals along the circumference of the center hole 11. It will be appreciated that the plurality of fastening members 2 may cooperate to lock the sleeve 5 so that the pulling assembly is not easily released after connection with the sleeve 5. For example, the number of the fastening members 2 is three, and the three fastening members 2 are arranged at equal intervals in the circumferential direction of the center hole 11. It can be understood that the included angle between any two adjacent fastening components 2 is 120 degrees, so that the pretightening force of the clamping shaft sleeve 5 can be uniformly distributed, and the device has simple structural design and lower cost.

In some embodiments, at least two of the through holes 12 have different inner diameters of the two through holes 12. It can be understood that the flange plate 1 can be connected with balance plates 6 of different types due to different inner diameter types of the through holes 12, so that the application range of the drawing assembly is enlarged. For example, the through hole 12 is a threaded hole. The connecting piece 3 is a bolt 32 and a nut 31, and the bolt 32 passes through the through hole 12 and the balance disc 6 and then is fixed through the nut 31, so that the reliability of the connection between the flange disc 1 and the balance disc 6 is higher.

Alternatively, as shown in fig. 1, the plurality of through holes 12 are arranged at equal intervals along the circumferential direction of the center hole 11, so that the structure after the flange plate 1 is connected with the balance plate 6 can be made more stable, and the balance plate 6 can be pulled out more smoothly.

As shown in fig. 4 and 5, a removal tool according to another embodiment of the present utility model includes a pulling assembly and a puller. The drawing assembly is the drawing assembly of the utility model, and the wheel puller is connected with the drawing assembly.

According to the dismounting tool of the embodiment of the utility model, when the shaft sleeve 5 is pulled, the flange plate 1 can be sleeved on the shaft sleeve 5, then the shaft sleeve 5 is clamped by moving the fastening part 2 towards the central hole 11, and then the peripheral edge of the flange plate 1 is clamped by the wheel puller, so that the shaft sleeve 5 is dismounted from the water pump shaft 4. When the balance disc 6 is drawn, the flange disc 1 can be sleeved on the water pump shaft 4, then the connecting piece 3 is arranged through the through hole 12 in a penetrating mode and is connected with the balance disc 6, so that the flange disc 1 and the balance disc 6 are fixed, and then the periphery edge of the flange disc 1 is clamped through the wheel puller, so that the balance disc 6 is detached from the water pump shaft 4. Therefore, the dismounting tool of the embodiment of the utility model can conveniently dismount the shaft sleeve 5 and the balance disc 6 on the water pump, and is beneficial to improving the maintenance efficiency.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A drawing assembly, comprising:

the flange plate is provided with a central hole and a plurality of through holes along the thickness direction of the flange plate, the central hole is positioned in the middle of the flange plate, the plurality of through holes are arranged at intervals along the circumferential direction of the central hole, the central hole is suitable for being sleeved on the outer wall of the shaft sleeve, and the through holes are suitable for being penetrated by connecting pieces to be connected with the balance plate;

and the fastening part is arranged on the flange plate and can move along the radial direction of the central hole so as to clamp and release the shaft sleeve.

2. A drawing assembly as in claim 1, wherein the tightening member comprises a nut member provided on the flange plate and a screw member penetrating the nut member in a radial direction of the central hole.

3. A drawing assembly as in claim 2, wherein there are at least two of said nut members, said nut members being spaced radially of said central bore, said threaded members being threaded onto said nut members.

4. The drawing assembly of claim 1 wherein said plurality of fastening members are spaced circumferentially about said central bore.

5. The drawing assembly according to claim 4, wherein said fastening members are three, and three of said fastening members are equally spaced along a circumference of said center hole.

6. The drawing assembly of claim 1 wherein at least two of said through holes are provided, the inside diameters of said two through holes being different; and/or, the through hole is a threaded hole.

7. The drawing assembly according to claim 1, wherein a plurality of said through holes are equally spaced along the circumference of said central hole.

8. A removal tool, comprising:

a drawing assembly as claimed in any one of claims 1 to 7;

the wheel pulling device is connected with the drawing assembly.