Water pump stator taking-out device and water pump stator taking-out system

Abstract

The utility model relates to the technical field of equipment maintenance, and provides a water pump stator taking-out device and a water pump stator taking-out system.The water pump stator taking-out device comprises a base, a connecting block and a connecting rod; the base is provided with a supporting surface, the supporting surface is suitable for supporting a water pump shell, a containing space is formed in the base, and an opening communicated with the containing space is formed in the supporting surface, so that a stator can enter the containing space from the opening; the connecting block is detachably arranged on the inner wall of the stator, the connecting rod is connected to the connecting block, and under the condition that acting force is applied to the connecting rod, the stator can move out of the water pump shell along with the connecting block. Therefore, compared with a burning or electric baking mode in the prior art, the water pump stator taking-out device can take out the stator more quickly and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to equipment maintenance technical field especially, relate to a water pump stator take out device and water pump stator take out system. BACKGROUND

[0002] Water pump transmits the mechanical energy or other external energy of prime mover to liquid, makes liquid energy increase, and is mainly used to transport liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc. Also can transport liquid, gas mixture and liquid containing suspended solid. Water pump has wide application in life and industry.

[0003] Motor is one of the core components of water pump, and is used for driving the whole water pump system to operate. The motor is usually composed of a stator, a rotor, a copper coil and the like, and generates rotating force through power input, so as to drive the water pump to rotate. If the motor coil is aged or burnt out, the stator in the motor needs to be taken out for maintenance and replacement. The traditional method for taking out the stator is to heat by fire or electric oven, and the stator is taken out after deformation caused by thermal expansion and cold contraction. Generally, this method consumes more fuel, time and manpower, and is low in safety to some extent. SUMMARY

[0004] The utility model provides a water pump stator take out device and water pump stator take out system to solve the problem of low efficiency of the method for taking out the stator of the motor in the prior art.

[0005] In a first aspect, the utility model provides a water pump stator take out device, which comprises a base, a connecting block and a connecting rod.

[0006] The base is provided with a supporting surface adapted to support the water pump shell, and the base is provided with a containing space, and the supporting surface is provided with an opening communicating with the containing space, so that the stator can enter the containing space through the opening; the connecting block is detachably arranged on the inner wall of the stator, and the connecting rod is connected to the connecting block, so that the stator can be removed from the water pump shell along with the connecting block under the action of the connecting rod.

[0007] According to the water pump stator take out device, the base comprises a bottom plate, an annular plate and a plurality of supporting columns, the plurality of supporting columns are connected between the bottom plate and the annular plate, the annular plate is formed with the supporting surface on the side away from the bottom plate, and the plurality of supporting columns and the bottom plate enclose the containing space.

[0008] According to the water pump stator taking-out device, the first connecting surface is opposite to the second connecting surface, and the plurality of support columns are connected between the first connecting surface and the second connecting surface.

[0009] According to the water pump stator taking-out device, one end of the support column is threadedly connected with the first connecting surface, and the other end of the support column is threadedly connected with the second connecting surface.

[0010] According to the water pump stator taking-out device, the plurality of support columns are circumferentially arranged.

[0011] According to the water pump stator taking-out device, the edge of the connecting block comprises a first arc-shaped edge, a first straight edge, a second arc-shaped edge and a second straight edge which are sequentially and circularly connected, the first arc-shaped edge and the second arc-shaped edge are oppositely arranged, and the first straight edge and the second straight edge are oppositely arranged.

[0012] According to the water pump stator taking-out device, the connecting block is provided with a mounting hole, the mounting hole is provided with an internal thread, the connecting rod is provided with an external thread, and the connecting rod and the connecting block are threadedly connected through the internal thread and the external thread.

[0013] According to the water pump stator taking-out device, the support surface is provided with an annular flange at the opening edge, and the water pump shell is sleeved on the outer side surface of the annular flange.

[0014] According to the water pump stator taking-out device, the accommodating space is matched with the stator.

[0015] In the second aspect, the utility model provides a water pump stator taking-out system, include: hydraulic press and above -mentioned water pump stator taking-out device, the free end of connecting rod is with the drive end of hydraulic press separable type connection.

[0016] The water pump stator taking-out device and the water pump stator taking-out system provided by the utility model first install the connecting block on the inner wall of the stator and ensure the stability of the connection between the connecting block and the stator, then connect the connecting rod with the connecting block, then place the water pump shell on the support surface of the base and make the stator align with the opening, and the stator can be in a suspended state, finally, apply a certain force to the connecting rod, at this time, the stator can be removed from the water pump shell with the connecting block, that is, the stator can enter the accommodating space through the opening. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is the structural schematic diagram of the water pump stator taking-out device provided by the present application.

[0019] Figure 2 It is the structural schematic diagram of the base provided by the present application.

[0020] Reference signs:

[0021] 1, base; 11, annular plate; 111, opening; 112, flange; 12, bottom plate; 13, support column; 14, accommodating space; 2, water pump shell; 3, stator; 4, connecting block; 5, connecting rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will combine the drawings in the present application to clearly and completely describe the technical scheme in the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] The following will combine Figures 1 to 2 to describe the water pump stator taking-out device and water pump stator taking-out system of the present application.

[0024] As shown in Figure 1 and Figure 2 , the water pump stator taking-out device of the present application embodiment comprises a base 1, a connecting block 4 and a connecting rod 5.

[0025] The base 1 is provided with a support surface, which is suitable for supporting the water pump shell 2. Before taking out the stator 3, the rotor needs to be removed first. Thus, the water pump shell 2 with only the stator 3 is placed on the support surface of the base 1.

[0026] The base 1 is provided with an accommodating space 14, and the support surface is provided with an opening 111 communicating with the accommodating space 14, so that the stator 3 can enter the accommodating space 14 from the opening 111. The connecting block 4 is detachably arranged on the inner wall of the stator 3, and the connecting rod 5 is connected to the connecting block 4. Under the condition of applying force to the connecting rod 5, the stator 3 can be removed from the water pump shell 2 together with the connecting block 4.

[0027] It should be noted that the connecting block 4 is first installed on the inner wall of the stator 3, and the stability of the connection between the connecting block 4 and the stator 3 is ensured, and then the connecting rod 5 is connected with the connecting block 4. Subsequently, the water pump housing 2 is placed on the support surface of the base 1, and the stator 3 can be aligned with the opening 111, and the stator 3 can be in a suspended state. Finally, a certain force is applied to the connecting rod 5, at this time, the stator 3 can move out of the water pump housing 2 with the connecting block 4, that is, the stator 3 can enter the accommodation space 14 from the opening 111. In this way, compared with the fire or electric baking method in the related art, the stator 3 can be taken out more quickly and conveniently.

[0028] In some embodiments, as shown in Figure 1 and Figure 2 , the base 1 includes a bottom plate 12, an annular plate 11, and a plurality of support columns 13 connected between the bottom plate 12 and the annular plate 11, the side of the annular plate 11 away from the bottom plate 12 forms a support surface, and the plurality of support columns 13 and the bottom plate 12 enclose to form an accommodation space 14.

[0029] It should be noted that the annular plate 11 is the part directly in contact with the water pump housing 2, the center of the annular plate 11 is formed with an opening 111, and the annular plate 11 and the bottom plate 12 are arranged in parallel, and the water pump housing 2 can be placed on the side of the annular plate 11 away from the bottom plate 12, at this time, the stator 3 can enter the accommodation space 14 enclosed by the plurality of support columns 13 and the bottom plate 12 through the opening 111 on the annular plate 11.

[0030] In some embodiments, as shown in Figure 1 and Figure 2 , the annular plate 11 has a first connecting surface opposite to the support surface, the bottom plate 12 has a second connecting surface opposite to the first connecting surface, and the plurality of support columns 13 are connected between the first connecting surface and the second connecting surface. Exemplarily, the annular plate 11 can be a steel plate, the bottom plate 12 can also be a steel plate, and the support column 13 can be a steel column.

[0031] It should be noted that the first connecting surface and the second connecting surface are oppositely arranged, one end of the support column 13 is connected with the first connecting surface, and the other end of the support column 13 is connected with the second connecting surface, for example, the first end of the support column 13 is welded with the first connecting surface, and the second end of the support column 13 is welded with the second connecting surface

[0032] In some embodiments, as shown in Figure 1 and Figure 2 , one end of the support column 13 is threadedly connected with the first connecting surface, and the other end of the support column 13 is threadedly connected with the second connecting surface.

[0033] Specifically, the first connecting surface is provided with a first threaded hole, one end of the support column 13 can be threadedly connected in the first threaded hole, and the second connecting surface is provided with a second threaded hole, the other end of the support column 13 can be threadedly connected in the second threaded hole. It should be particularly pointed out that the support column 13 is detachably connected with the annular plate 11 and the bottom plate 12 through threaded connection or the like, different lengths of the support column 13 can be used according to different sizes of the stator 3, so as to ensure that the water pump stator extraction device can be adapted to various models of water pumps.

[0034] In some embodiments, as shown in Figure 1 and Figure 2 , a plurality of support columns 13 are arranged circumferentially. Exemplarily, the plurality of support columns 13 are arranged at equal intervals, that is, the distance between any two adjacent support columns 13 is equal.

[0035] It should be noted that the diameter of the region enclosed by the plurality of support columns 13 is greater than or equal to the diameter of the opening 111, wherein, in the case that the cross-sectional shape of the stator 3 is circular, the cross-sectional shape of the opening 111 and the cross-sectional shape of the region are both circular.

[0036] In some embodiments, as shown in Figure 1 and Figure 2 , the edge of the connecting block 4 includes a first arc-shaped edge, a first straight edge, a second arc-shaped edge and a second straight edge connected in sequence, the first arc-shaped edge and the second arc-shaped edge are oppositely arranged, and the first straight edge and the second straight edge are oppositely arranged.

[0037] It should be noted that the first arc-shaped edge and the second arc-shaped edge can be fitted with the inner wall of the stator 3, so that the connecting block 4 can be clamped on the inner wall of the stator 3, thereby ensuring that the connecting block 4 falls off the stator 3 in the case of subsequent application of force to the connecting rod 5.

[0038] In actual application, since the edge of the connecting block 4 includes the oppositely arranged first straight edge and second straight edge, at this time, the edge of the connecting block 4 can have a gap with the inner wall of the stator 3, thereby facilitating the installation or removal of the connecting block 4 on the inner wall of the stator 3.

[0039] In some embodiments, as shown in Figure 1 and Figure 2 , the connecting block 4 is provided with a mounting hole, the mounting hole is provided with an internal thread, the connecting rod 5 is provided with an external thread, and the connecting rod 5 and the connecting block 4 are threadedly connected through the internal thread and the external thread. Exemplarily, the mounting hole is arranged at the center position of the connecting block 4, and the connecting block 4 has a certain thickness, thereby being capable of increasing the contact area between the connecting block 4 and the inner wall of the stator 3, and in addition, the connecting rod 5 and the connecting block 4 can both be made of iron material.

[0040] It should be noted that the split arrangement of the connecting rod 5 and the connecting block 4 can ensure the installation convenience of the connecting block 4 and the stator 3 and the installation convenience of the connecting block 4 and the connecting rod 5.

[0041] In some embodiments, as shown in Figure 1 and Figure 2 , the support surface is provided with an annular flange 112 at the edge of the opening 111, and the water pump housing 2 is sleeved on the outer side of the annular flange 112.

[0042] It should be noted that the inner wall of the water pump housing 2 is provided with a relief groove at the opening of the water pump housing 2, so that the annular flange 112 can extend into the relief groove. Through the cooperation of the annular flange 112 and the relief groove, the installation stability of the water pump housing 2 and the annular plate 11 can be ensured to avoid displacement of the stator 3 relative to the opening 111. In actual application, the stator 3 can enter the accommodation space 14 in sequence through the area enclosed by the annular flange 112, the opening 111.

[0043] In some embodiments, as shown in Figure 1 and Figure 2 , the accommodation space 14 is adapted to the stator 3. Specifically, the height of the support column 13 is the same as the height of the stator 3, the shape of the area enclosed by the support column 13 is consistent with the shape of the stator 3, and the diameter of the area enclosed by the support column 13 is greater than or equal to the diameter of the stator 3.

[0044] In addition, as shown in Figure 1 and Figure 2 , the utility model embodiment further provides a water pump stator taking-out system, comprising: a hydraulic machine and a water pump stator taking-out device, and the free end of the connecting rod 5 is detachably connected with the driving end of the hydraulic machine.

[0045] It should be noted that the hydraulic machine comprises a cylinder, a driving end and a workbench. Under the driving of the cylinder, the driving end can be close to or away from the workbench.

[0046] In actual application, first, the connecting block 4 is installed on the inner wall of the stator 3, and the stability of the connection between the connecting block 4 and the stator 3 is ensured, then the connecting rod 5 is connected with the connecting block 4 after passing through the through hole of the water pump housing 2. Subsequently, the water pump housing 2 is placed on the support surface of the base 1, and the stator 3 can be aligned with the opening 111, and the stator 3 can be in a suspended state. Finally, the base 1 and the water pump housing 2 are moved to the workbench as a whole, the cylinder is started, and the driving end applies a certain force to the connecting rod 5. At this time, the stator 3 can be removed from the water pump housing 2 along with the connecting block 4, that is, the stator 3 can enter the accommodation space 14 from the opening 111, thereby completing the taking-out work of the stator 3.

[0047] Specifically, since the water pump stator taking-out system comprises the water pump stator taking-out device as described above, and the specific structure of the water pump stator taking-out device refers to the above-mentioned embodiments, the water pump stator taking-out system shown in the embodiment comprises all the technical solutions of the above-mentioned embodiments, and therefore at least has all the beneficial effects achieved by all the technical solutions, which will not be described one by one here.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A water pump stator extraction device, characterized by, The utility model relates to a water pump stator taking-out device, comprising: a base, a connecting block and a connecting rod; the base is provided with a supporting surface suitable for supporting a water pump shell, and an accommodating space is arranged in the base, the supporting surface is provided with an opening in communication with the accommodating space, so that the stator can enter the accommodating space through the opening; the connecting block is detachably arranged on the inner wall of the stator, and the connecting rod is connected to the connecting block; under the action of the connecting rod, the stator can move out of the water pump shell together with the connecting block.

2. The water pump stator extraction device of claim 1, wherein, The base comprises a bottom plate, an annular plate and a plurality of supporting columns, the plurality of supporting columns are connected between the bottom plate and the annular plate, the side of the annular plate away from the bottom plate forms the supporting surface, and the plurality of supporting columns and the bottom plate enclose the accommodating space.

3. The water pump stator extraction device of claim 2, wherein, The annular plate has a first connecting surface opposite to the supporting surface, the bottom plate has a second connecting surface opposite to the first connecting surface, and the plurality of supporting columns are connected between the first connecting surface and the second connecting surface.

4. The water pump stator extraction device of claim 3, wherein, One end of the supporting column is threadedly connected to the first connecting surface, and the other end of the supporting column is threadedly connected to the second connecting surface.

5. The water pump stator extraction device of claim 2, wherein, The plurality of supporting columns are arranged in a circle.

6. The water pump stator extraction device of any one of claims 1 to 5, wherein, The edge of the connecting block comprises a first arc-shaped edge, a first straight edge, a second arc-shaped edge and a second straight edge connected in sequence, the first arc-shaped edge and the second arc-shaped edge are oppositely arranged, and the first straight edge and the second straight edge are oppositely arranged.

7. The water pump stator extraction device of claim 6, wherein, The connecting block is provided with a mounting hole having an internal thread, the connecting rod is provided with an external thread, and the connecting rod and the connecting block are threadedly connected through the internal thread and the external thread.

8. The water pump stator extraction device of any one of claims 1 to 5, wherein, The supporting surface is provided with an annular flange at the edge of the opening, and the water pump shell is sleeved on the outer side surface of the annular flange.

9. The water pump stator extraction device of any one of claims 1 to 5, wherein, The accommodating space is adapted to the stator.

10. A water pump stator extraction system characterized by, The utility model relates to a hydraulic machine and a water pump stator taking-out device according to any one of claims 1-9; the free end of the connecting rod is detachably connected to the driving end of the hydraulic machine. ​

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