CN213226020U - Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device - Google Patents

Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device Download PDF

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Publication number
CN213226020U
CN213226020U CN202021969652.3U CN202021969652U CN213226020U CN 213226020 U CN213226020 U CN 213226020U CN 202021969652 U CN202021969652 U CN 202021969652U CN 213226020 U CN213226020 U CN 213226020U
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China
Prior art keywords
centrifugal pump
end cover
support rod
horizontal
rod
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CN202021969652.3U
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Chinese (zh)
Inventor
郑龙
赵景峰
术阿杰
薄丹丹
王金举
伍胜
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China Petroleum and Chemical Corp
Sinopec Zhongyuan Oilfield Co Puguang Branch
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China Petroleum and Chemical Corp
Sinopec Zhongyuan Oilfield Co Puguang Branch
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Priority to CN202021969652.3U priority Critical patent/CN213226020U/en
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Abstract

The utility model provides a centrifugal pump end cover dismouting unit and centrifugal pump end cover dismouting device, centrifugal pump end cover dismouting unit includes: the horizontal support rod is used for penetrating through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a threaded blind hole in the outer cylinder of the centrifugal pump so as to support the end cover of the centrifugal pump, and the horizontal support rod is provided with a threaded section in threaded connection with the outer cylinder of the centrifugal pump and a sliding section for enabling the end cover of the centrifugal pump to slide from one position to another position along the axial direction of the horizontal support rod; the bottom of the vertical supporting rod is supported on the ground, and the top of the vertical supporting rod supports the horizontal supporting rod, so that the horizontal supporting rod is kept in a horizontal state. Use the utility model discloses a after the dismouting device, need not to use hand block and crane at the dismouting in-process, also need not too many operating personnel, reduced manpower and material resources and dropped into, also improved dismouting speed simultaneously. In addition, the centrifugal pump end cover is stressed evenly in the whole dismounting process, and the damage risk and the mechanical injury risk of equipment accessories are reduced.

Description

Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device
Technical Field
The utility model relates to a centrifugal pump end cover dismouting technical field, concretely relates to centrifugal pump end cover dismouting unit and centrifugal pump end cover dismouting device.
Background
The double-casing centrifugal pump is commonly used in chemical enterprises, and the double-casing centrifugal pump has a cylindrical urceolus and end cover, and urceolus and the common double-end bolt of end cover and nut are connected, and is specific, be provided with the screw thread blind hole on the terminal surface of urceolus, be provided with the bolt on the end cover and perforate, stud pass the bolt on the end cover and perforate the back, with the screw thread blind hole threaded connection on the urceolus terminal surface, then screw up the nut on stud, realize the fixed connection between end cover and the urceolus.
When the centrifugal pump reaches the operation or when the trouble, need to disintegrate the maintenance to the centrifugal pump, involve the dismouting of end cover during the maintenance. Because the weight of the end cover is very big, each end cover weighs hundreds of jin to several jacks, when the end cover is disassembled and assembled, the manual hoist, the crane, the forklift and the like are required to be matched with each other for operation, and more than 6 persons are required when the end cover is used. Generally, during hoisting, a crane cannot be used due to the limited position space of the pump, a hoisting point of the hand hoist is not arranged above the end cover, and the gravity center of the end cover is not positioned right below the hanging point of the hand hoist. When the end cover is disassembled, a plurality of people need to adjust the gravity center by the hand-operated hoist, so that the end cover is vertical to the ground. Meanwhile, after the end cover is detached, the end cover can only be transferred to the ground by using a plurality of hand hoists, so that the speed is low, more manpower and material resources are consumed, the end cover is easy to damage equipment accessories due to uneven stress, and a larger mechanical injury risk exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a centrifugal pump end cover dismounting unit, which solves the problems that the speed is slow, more manpower and material resources are consumed, equipment accessories are easily damaged, and the risk of mechanical damage is large when a centrifugal pump end cover is dismounted in the prior art; an object of the utility model is also to provide a centrifugal pump end cover dismouting device to speed is slow, consume more manpower and material resources, the vulnerable equipment accessory of hindering, the big problem of mechanical injury risk when solving among the prior art dismouting centrifugal pump end cover.
In order to achieve the above object, the utility model provides a centrifugal pump end cover dismouting unit adopts following technical scheme:
a centrifugal pump end cover disassembly and assembly unit comprising:
the horizontal support rod is used for penetrating through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a threaded blind hole in the outer cylinder of the centrifugal pump so as to support the end cover of the centrifugal pump, the horizontal support rod is provided with a threaded section for being in threaded connection with the outer cylinder of the centrifugal pump, and the horizontal support rod is also provided with a sliding section for enabling the end cover of the centrifugal pump to slide from one position to another position along the axial direction of the horizontal support rod;
the bottom of the vertical supporting rod is used for supporting the horizontal supporting rod, the top of the vertical supporting rod is used for supporting the horizontal supporting rod, so that the horizontal supporting rod is kept in a horizontal state, and a supporting structure used for supporting the horizontal supporting rod is arranged at the top of the vertical supporting rod.
The beneficial effects of the above technical scheme are that: the horizontal support rod is provided with a thread section, so that the horizontal support rod can conveniently penetrate through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a thread blind hole in the outer cylinder of the centrifugal pump, and the horizontal support rod is fixedly connected with the outer cylinder of the centrifugal pump. Meanwhile, the bottom of the vertical supporting rod is supported on the ground, the top of the vertical supporting rod supports the horizontal supporting rod, and the top of the vertical supporting rod is provided with a supporting structure, so that the horizontal supporting rod can be kept in a horizontal state, and the centrifugal pump end cover can be stably and effectively supported by at least two horizontal supporting rods through at least two sets of centrifugal pump end cover dismounting units.
The horizontal support rod is also provided with a sliding section for the centrifugal pump end cover to slide from one position to another position along the axial direction of the horizontal support rod, so that when the centrifugal pump end cover is disassembled, after all nuts for fixing between the centrifugal pump end cover and the centrifugal pump outer barrel are disassembled, force is applied to the centrifugal pump end cover to enable the centrifugal pump end cover to slide along the sliding section of the horizontal support rod and to be far away from the centrifugal pump outer barrel, after the centrifugal pump end cover slides to a proper position, the centrifugal pump end cover can be hung by using a forklift and a hanging belt, and then the vertical support rod is removed, so that the centrifugal pump end cover can be.
In the whole process, because the centrifugal pump end cover slides along the sliding section, a hand-operated block and a crane are not needed, and the material resource investment is reduced. The horizontal support rod is always kept in a horizontal state under the supporting effect of the vertical support rod, the centrifugal pump end cover can conveniently slide on the sliding section, too large thrust is not needed, too much manpower is not needed, the manpower can be saved, and meanwhile, the disassembling speed can also be increased.
In addition, the centrifugal pump end cover slides on the horizontal support rod smoothly, the stress is more uniform, and the equipment accessory damage risk and the mechanical injury risk are greatly reduced.
Conversely, when the centrifugal pump end cover is installed, the centrifugal pump end cover is firstly penetrated on the horizontal support rod by the aid of the forklift, after the vertical support rod is installed, the centrifugal pump end cover is pushed to move towards the outer cylinder of the centrifugal pump, the centrifugal pump end cover and the outer cylinder of the centrifugal pump are attached to each other, and finally the centrifugal pump end cover and the outer cylinder of the centrifugal pump are fixedly connected together by the aid of the double-end bolts and the nuts, so that the.
Furthermore, a plurality of rolling bodies for rolling contact with an end cover of the centrifugal pump are axially arranged at intervals at the top of the sliding section.
The beneficial effects of the above technical scheme are that: by the contact of rolling element and centrifugal pump end cover, can reduce frictional force greatly, make things convenient for the removal of centrifugal pump end cover, further use manpower sparingly input to can accelerate the translation rate of centrifugal pump end cover, improve dismouting efficiency.
Furthermore, the rolling bodies are balls, and the balls are mounted on the sliding section through ball supports.
The beneficial effects of the above technical scheme are that: the rotation of ball can be more nimble, and the result of use is better.
Furthermore, the vertical support rod comprises an upper support rod and a lower support rod which are arranged up and down, and the upper support rod is in threaded connection with the lower support rod, so that the overall height of the vertical support rod is adjustable.
The beneficial effects of the above technical scheme are that: the whole height of the vertical supporting rod is adjustable, so that the vertical supporting rod can support the horizontal supporting rod conveniently, and the horizontal supporting rod is guaranteed to be in a horizontal state. Simultaneously, also can conveniently support the horizontal support pole of different heights, improve adaptability.
Furthermore, the supporting structure is a fixed cylinder fixed at the top of the vertical supporting rod, and an inner hole of the fixed cylinder is used for the horizontal supporting rod to pass through.
The beneficial effects of the above technical scheme are that: the fixing barrel is used as a supporting structure, so that the structure is simple, the use is convenient, and the support is reliable.
In order to achieve the above object, the utility model provides a centrifugal pump end cover dismouting device adopts following technical scheme:
the utility model provides a centrifugal pump end cover dismouting device, includes two at least centrifugal pump end cover dismouting units, and centrifugal pump end cover dismouting unit includes:
the horizontal support rod is used for penetrating through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a threaded blind hole in the outer cylinder of the centrifugal pump so as to support the end cover of the centrifugal pump, the horizontal support rod is provided with a threaded section for being in threaded connection with the outer cylinder of the centrifugal pump, and the horizontal support rod is also provided with a sliding section for enabling the end cover of the centrifugal pump to slide from one position to another position along the axial direction of the horizontal support rod;
the bottom of the vertical supporting rod is used for supporting the horizontal supporting rod, the top of the vertical supporting rod is used for supporting the horizontal supporting rod, so that the horizontal supporting rod is kept in a horizontal state, and a supporting structure used for supporting the horizontal supporting rod is arranged at the top of the vertical supporting rod.
The beneficial effects of the above technical scheme are that: the horizontal support rod is provided with a thread section, so that the horizontal support rod can conveniently penetrate through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a thread blind hole in the outer cylinder of the centrifugal pump, and the horizontal support rod is fixedly connected with the outer cylinder of the centrifugal pump. Meanwhile, the bottom of the vertical supporting rod is supported on the ground, the top of the vertical supporting rod supports the horizontal supporting rod, and the top of the vertical supporting rod is provided with a supporting structure, so that the horizontal supporting rod can be kept in a horizontal state, and the centrifugal pump end cover can be stably and effectively supported by at least two horizontal supporting rods through at least two sets of centrifugal pump end cover dismounting units.
The horizontal support rod is also provided with a sliding section for the centrifugal pump end cover to slide from one position to another position along the axial direction of the horizontal support rod, so that when the centrifugal pump end cover is disassembled, after all nuts for fixing between the centrifugal pump end cover and the centrifugal pump outer barrel are disassembled, force is applied to the centrifugal pump end cover to enable the centrifugal pump end cover to slide along the sliding section of the horizontal support rod and to be far away from the centrifugal pump outer barrel, after the centrifugal pump end cover slides to a proper position, the centrifugal pump end cover can be hung by using a forklift and a hanging belt, and then the vertical support rod is removed, so that the centrifugal pump end cover can be.
In the whole process, because the centrifugal pump end cover slides along the sliding section, a hand-operated block and a crane are not needed, and the material resource investment is reduced. The horizontal support rod is always kept in a horizontal state under the supporting effect of the vertical support rod, the centrifugal pump end cover can conveniently slide on the sliding section, too large thrust is not needed, too much manpower is not needed, the manpower can be saved, and meanwhile, the disassembling speed can also be increased.
In addition, the centrifugal pump end cover slides on the horizontal support rod smoothly, the stress is more uniform, and the equipment accessory damage risk and the mechanical injury risk are greatly reduced.
Conversely, when the centrifugal pump end cover is installed, the centrifugal pump end cover is firstly penetrated on the horizontal support rod by the aid of the forklift, after the vertical support rod is installed, the centrifugal pump end cover is pushed to move towards the outer cylinder of the centrifugal pump, the centrifugal pump end cover and the outer cylinder of the centrifugal pump are attached to each other, and finally the centrifugal pump end cover and the outer cylinder of the centrifugal pump are fixedly connected together by the aid of the double-end bolts and the nuts, so that the.
Furthermore, a plurality of rolling bodies for rolling contact with an end cover of the centrifugal pump are axially arranged at intervals at the top of the sliding section.
The beneficial effects of the above technical scheme are that: by the contact of rolling element and centrifugal pump end cover, can reduce frictional force greatly, make things convenient for the removal of centrifugal pump end cover, further use manpower sparingly input to can accelerate the translation rate of centrifugal pump end cover, improve dismouting efficiency.
Furthermore, the rolling bodies are balls, and the balls are mounted on the sliding section through ball supports.
The beneficial effects of the above technical scheme are that: the rotation of ball can be more nimble, and the result of use is better.
Furthermore, the vertical support rod comprises an upper support rod and a lower support rod which are arranged up and down, and the upper support rod is in threaded connection with the lower support rod, so that the overall height of the vertical support rod is adjustable.
The beneficial effects of the above technical scheme are that: the whole height of the vertical supporting rod is adjustable, so that the vertical supporting rod can support the horizontal supporting rod conveniently, and the horizontal supporting rod is guaranteed to be in a horizontal state. Simultaneously, also can conveniently support the horizontal support pole of different heights, improve adaptability.
Furthermore, the supporting structure is a fixed cylinder fixed at the top of the vertical supporting rod, and an inner hole of the fixed cylinder is used for the horizontal supporting rod to pass through.
The beneficial effects of the above technical scheme are that: the fixing barrel is used as a supporting structure, so that the structure is simple, the use is convenient, and the support is reliable.
Drawings
FIG. 1 is a diagram of a state of use of the device for assembling and disassembling an end cover of a centrifugal pump according to the present invention;
FIG. 2 is a structural view of the horizontal support bar of FIG. 1;
fig. 3 is a structural view of the vertical support pole of fig. 1.
In the figure:
1-centrifugal pump end cover;
2-an outer cylinder of the centrifugal pump;
3-horizontal support bar;
31-a sliding section;
32-a thread segment;
33-a ball support;
34-a ball bearing;
4-vertical support bars;
41-upper support rod;
42-lower support bar;
43-screw rod;
44-a stationary cartridge;
45-bottom plate.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 1 is as shown in figure 1, including two centrifugal pump end cover dismouting units, centrifugal pump end cover dismouting unit includes horizontal support rod 3 and vertical support rod 4.
The horizontal support rod 3 penetrates through a bolt through hole in the centrifugal pump end cover 1 and is in threaded connection with a threaded blind hole in the centrifugal pump outer barrel 2 so as to support the centrifugal pump end cover 1. As shown in fig. 2, the horizontal support rod 3 has a threaded section 32 for threaded connection with the outer cylinder 1 of the centrifugal pump, and the horizontal support rod 3 also has a sliding section 31 for sliding the centrifugal pump end cover 1 from one position to another position along the axial direction of the horizontal support rod 3.
In order to facilitate the sliding of the centrifugal pump end cover 1, a plurality of rolling bodies for rolling contact with the centrifugal pump end cover 1 are axially arranged at intervals on the top of the sliding section 31, the rolling bodies in this embodiment are balls 34, and the balls 34 are mounted on the sliding section 31 through a ball support 33.
As shown in fig. 1, the bottom of the vertical support rod 4 is used for supporting on the ground, the top of the vertical support rod 4 is used for supporting the horizontal support rod 3, so that the horizontal support rod 3 is kept in a horizontal state, and the top of the vertical support rod 4 is provided with a support structure for supporting the horizontal support rod 3.
Referring to fig. 3, the vertical support rod 4 includes an upper support rod 41 and a lower support rod 42 which are disposed up and down, and the upper support rod 41 and the lower support rod 42 are threadedly coupled to each other, so that the overall height of the vertical support rod 4 is adjustable. Specifically, the top of the lower support rod 42 is provided with an integrally connected screw 43, and the screw 43 is in threaded connection with the upper support rod 41.
In order to increase the supporting area and ensure the stable support, a bottom plate 45 is arranged at the bottom of the lower supporting rod 42. In order to facilitate the manufacturing and ensure the supporting effect, the supporting structure is a fixed cylinder 44 fixed on the top of the upper supporting rod 41, and an inner hole of the fixed cylinder 44 is used for the horizontal supporting rod 3 to pass through.
The utility model discloses a centrifugal pump end cover dismouting device is when using, as shown in fig. 1, at first, two positions are torn open earlier with nut and stud (not shown in the figure) of fixed usefulness between centrifugal pump end cover 1 and the centrifugal pump urceolus 2, then pass the bolt perforation on the centrifugal pump end cover 1 respectively with the screw thread section 32 of the horizontal support bar 3 of two centrifugal pump end cover dismouting units and with the screw thread blind hole threaded connection on the centrifugal pump urceolus 2, realize the fixed connection between horizontal support bar 3 and the centrifugal pump urceolus 2, of course finally need guarantee that the ball on the horizontal support bar 3 arranges up.
Then, the vertical support rod 4 is installed, the vertical support rod 4 is preset to be a proper length, the fixing cylinder 44 at the top of the vertical support rod 4 is sleeved outside the horizontal support rod 3, then the lower support rod 42 is rotated to continuously adjust the height of the vertical support rod 4 until the bottom plate 45 is supported on the ground, the vertical support rod 4 is vertically connected with the horizontal support rod 3, the horizontal support rod 3 is supported, and the horizontal support rod 3 is kept in a horizontal state.
Then, other nuts and stud bolts for fixing between the centrifugal pump end cover 1 and the centrifugal pump outer barrel 2 are removed, and under the supporting action of the two horizontal supporting rods 3, the weight of the centrifugal pump end cover 1 falls on the two horizontal supporting rods 3, namely the two horizontal supporting rods 3 form stable support for the centrifugal pump end cover 1.
Then an operator applies force to the centrifugal pump end cover, under the rolling supporting action of the ball 34, the centrifugal pump end cover can be pushed to slide along the sliding section of the horizontal supporting rod without too large pushing force, so that the centrifugal pump end cover is far away from the outer cylinder of the centrifugal pump, after the centrifugal pump end cover slides to a proper position, the centrifugal pump end cover can be hung by using a forklift and a hanging strip, and then the centrifugal pump end cover can be moved away by moving away the vertical supporting rod.
In the whole process, the centrifugal pump end cover moves to a position suitable for being hoisted by a forklift along the horizontal support rod, so that a hand-operated hoist and a crane are not needed, and the material resource investment is reduced. The horizontal support rod is always kept in a horizontal state under the supporting action of the vertical support rod, the sliding friction force is small through the supporting action of the balls, the sliding of the end cover of the centrifugal pump is facilitated, 2-3 people can complete the disassembling work of the end cover, the manpower required by the disassembling operation of the end cover is greatly reduced, and the disassembling speed is greatly increased.
In addition, the centrifugal pump end cover slides on the horizontal support rod smoothly, the stress is more uniform, and the equipment accessory damage risk and the mechanical injury risk are greatly reduced.
Conversely, when the centrifugal pump end cover is installed, two horizontal support rods are required to be connected to the outer barrel of the centrifugal pump, then the centrifugal pump end cover is lifted by the forklift and the hanging belt and penetrates through the horizontal support rods, at the moment, the forklift does not move, and after the vertical support rods are installed, the forklift is moved, so that the weight of the centrifugal pump end cover is enabled to fall on the horizontal support rods. The centrifugal pump end cover is then pushed to move towards the centrifugal pump outer barrel, the centrifugal pump end cover and the centrifugal pump outer barrel are attached to each other, bolt through holes in the centrifugal pump end cover and threaded blind holes in the centrifugal pump outer barrel are aligned, and the bolt through holes and the threaded blind holes are fixedly connected together through double-ended bolts and nuts. And finally, the horizontal support rod is removed, and double-end bolts and nuts are installed on the remaining two hole sites, so that the end cover of the centrifugal pump and the outer cylinder of the centrifugal pump are installed and fixed, and the whole installation process also has the effective effect.
The utility model discloses a centrifugal pump end cover dismouting device has realized a new dismouting mode of centrifugal pump end cover, need not use lifting device such as hand-drive block, crane, also need not too many operating personnel, and the manpower and material resources that have significantly reduced drop into, have also improved dismouting speed simultaneously greatly, and then have reduced the assembly and disassembly cost. And the end cover atress is even at whole dismouting in-process, greatly reduced end cover dismouting in-process equipment accessories damage risk and mechanical injury risk, so use the utility model discloses a centrifugal pump end cover dismouting device can simply and accomplish the dismouting operation of centrifugal pump end cover safely.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 2: the difference with embodiment 1 lies in that centrifugal pump end cover dismouting unit also can have three or four or more, can increase the quantity of centrifugal pump end cover dismouting unit according to the weight of centrifugal pump end cover, also increases the quantity of horizontal support bar, and bearing capacity can be improved to more bracing pieces, also can improve support stability.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 3: the difference from the embodiment 1 is that a screw rod integrally connected with the bottom of the upper support rod can be arranged at the bottom of the upper support rod, the screw rod is in threaded connection with the lower support rod, and the whole height of the vertical support rod can also be adjusted.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 4: the difference with embodiment 1 lies in that, when the vertical support rod includes an upper support rod and a lower support rod, the upper support rod and the lower support rod may not be in threaded connection, for example, the lower support rod is sleeved outside the upper support rod, the upper support rod is capable of extending up and down, the upper support rod and the lower support rod are respectively provided with a plurality of pin holes spaced up and down, and the upper support rod and the lower support rod are connected by a pin.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 5: the difference with embodiment 1 is that the vertical support rod is not a separate body, but a one-piece rod with a fixed length, so that a good support can be formed for the horizontal support rod, and some padding materials, such as wood plates, iron blocks and the like, can be inserted between the bottom of the vertical support rod and the ground when the vertical support rod is installed.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 6: the difference from embodiment 1 is that the supporting structure is not a fixed cylinder, but an arc-shaped supporting plate fixed on the top of the vertical supporting rod, and the concave part formed by the arc-shaped supporting plate supports the horizontal supporting rod.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 7: the difference with embodiment 1 is that the supporting structure is not a fixed cylinder, but an arc groove is directly and integrally processed on the top of the vertical supporting rod, and the arc groove can form stable support for the horizontal supporting rod.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 8: the difference from embodiment 1 is that the bottom of the vertical support bar is not provided with a bottom plate.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 9: the difference from embodiment 1 is that the rolling elements are not balls, but rollers or bearings mounted on the sliding segments.
The utility model discloses well centrifugal pump end cover dismouting device's embodiment 10: the difference from the embodiment 1 is that the sliding section is not provided with the rolling body, the sliding section is a polished rod, and the lower surface roughness value of the polished rod can be utilized, or lubricating oil is dripped on the sliding section, so that the end cover of the centrifugal pump can be conveniently moved.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
The utility model discloses the embodiment of well centrifugal pump end cover dismouting unit does: the specific structure of the centrifugal pump end cover dismounting unit is the same as that of the centrifugal pump end cover dismounting unit in the embodiment of the centrifugal pump end cover dismounting device, and the detailed description is not repeated.

Claims (10)

1. A centrifugal pump end cover dismouting unit which characterized in that includes:
the horizontal support rod is used for penetrating through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a threaded blind hole in the outer cylinder of the centrifugal pump so as to support the end cover of the centrifugal pump, the horizontal support rod is provided with a threaded section for being in threaded connection with the outer cylinder of the centrifugal pump, and the horizontal support rod is also provided with a sliding section for enabling the end cover of the centrifugal pump to slide from one position to another position along the axial direction of the horizontal support rod;
the bottom of the vertical supporting rod is used for supporting the horizontal supporting rod, the top of the vertical supporting rod is used for supporting the horizontal supporting rod, so that the horizontal supporting rod is kept in a horizontal state, and a supporting structure used for supporting the horizontal supporting rod is arranged at the top of the vertical supporting rod.
2. The centrifugal pump end cover disassembling and assembling unit according to claim 1, wherein the top of the sliding section is provided with a plurality of rolling bodies at intervals in the axial direction for rolling contact with the centrifugal pump end cover.
3. The centrifugal pump end cover disassembly and assembly unit of claim 2, wherein the rolling elements are balls, and the balls are mounted on the sliding section through ball brackets.
4. The centrifugal pump end cover dismounting unit according to any one of claims 1 to 3, wherein the vertical support rod comprises an upper support rod and a lower support rod which are arranged up and down, and the upper support rod and the lower support rod are in threaded connection, so that the overall height of the vertical support rod is adjustable.
5. The centrifugal pump end cover dismounting unit according to any one of claims 1 to 3, wherein the supporting structure is a fixed cylinder fixed on the top of the vertical supporting rod, and an inner hole of the fixed cylinder is used for the horizontal supporting rod to pass through.
6. The utility model provides a centrifugal pump end cover dismouting device which characterized in that includes two at least centrifugal pump end cover dismouting units, and centrifugal pump end cover dismouting unit includes:
the horizontal support rod is used for penetrating through a bolt through hole in the end cover of the centrifugal pump and is in threaded connection with a threaded blind hole in the outer cylinder of the centrifugal pump so as to support the end cover of the centrifugal pump, the horizontal support rod is provided with a threaded section for being in threaded connection with the outer cylinder of the centrifugal pump, and the horizontal support rod is also provided with a sliding section for enabling the end cover of the centrifugal pump to slide from one position to another position along the axial direction of the horizontal support rod;
the bottom of the vertical supporting rod is used for supporting the horizontal supporting rod, the top of the vertical supporting rod is used for supporting the horizontal supporting rod, so that the horizontal supporting rod is kept in a horizontal state, and a supporting structure used for supporting the horizontal supporting rod is arranged at the top of the vertical supporting rod.
7. The centrifugal pump end cover dismounting device according to claim 6, wherein the top of the sliding section is provided with a plurality of rolling bodies at intervals along the axial direction for rolling contact with the centrifugal pump end cover.
8. The centrifugal pump end cover disassembly and assembly device of claim 7, wherein the rolling elements are balls, and the balls are mounted on the sliding section through ball supports.
9. The device for assembling and disassembling the end cover of the centrifugal pump according to any one of claims 6 to 8, wherein the vertical support rod comprises an upper support rod and a lower support rod which are arranged up and down, and the upper support rod and the lower support rod are connected through threads, so that the overall height of the vertical support rod is adjustable.
10. A centrifugal pump end cover dismounting device according to any one of claims 6 to 8, wherein the supporting structure is a fixed cylinder fixed on the top of the vertical supporting rod, and an inner hole of the fixed cylinder is used for the horizontal supporting rod to pass through.
CN202021969652.3U 2020-09-10 2020-09-10 Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device Active CN213226020U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021969652.3U CN213226020U (en) 2020-09-10 2020-09-10 Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021969652.3U CN213226020U (en) 2020-09-10 2020-09-10 Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device

Publications (1)

Publication Number Publication Date
CN213226020U true CN213226020U (en) 2021-05-18

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CN202021969652.3U Active CN213226020U (en) 2020-09-10 2020-09-10 Centrifugal pump end cover dismounting unit and centrifugal pump end cover dismounting device

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