CN219712754U - Damping base of centrifugal pump - Google Patents
Damping base of centrifugal pump Download PDFInfo
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- CN219712754U CN219712754U CN202321153955.1U CN202321153955U CN219712754U CN 219712754 U CN219712754 U CN 219712754U CN 202321153955 U CN202321153955 U CN 202321153955U CN 219712754 U CN219712754 U CN 219712754U
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- damping
- base shell
- cylinder
- centrifugal pump
- connecting rod
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- 238000013016 damping Methods 0.000 title claims abstract description 120
- 230000035939 shock Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of damping devices, in particular to a damping base of a centrifugal pump, which comprises a base shell, wherein a mounting plate is arranged above the inner side of the base shell, a longitudinal damping mechanism is arranged in the base shell, a transverse damping mechanism is connected below the base shell, and a bottom plate seat is arranged below the transverse damping mechanism; can provide fore-and-aft shock attenuation effect for centrifugal pump device through vertical damper, and utilize horizontal damper can provide horizontal shock attenuation effect for centrifugal pump device, but also vertical damper and horizontal damper's shock attenuation effect do not take place the relation each other, vertically promptly and transversely can play shock attenuation effect simultaneously, drive the piston and make a round trip to move about in the damper cylinder through the connecting rod for the damper cylinder is through the gas inlet and outlet constantly breathe in and exhaust, converts the kinetic energy of vibrations into heat through the flow of gas and consumes, and then reaches the absorbing purpose.
Description
Technical Field
The utility model relates to the technical field of damping devices, in particular to a damping base of a centrifugal pump.
Background
Centrifugal pumps are widely used in daily life as a liquid transport device using centrifugal force as a driving force. In the running process of the centrifugal pump, the pump body can vibrate due to uneven density of a fluid medium or large impurities mixed in the fluid medium, and when the vibration of the pump body is very severe, the pump shaft can be broken or locked.
The prior art publication No. CN208294850U provides a centrifugal pump vibration damping mount and a centrifugal pump assembly using the mount, the apparatus including a mount body, a fixing structure, a vibration damping support structure, and the like. The device is damped by a spring.
However, the device can only damp the centrifugal pump in the longitudinal direction, but is inconvenient to damp when the centrifugal pump vibrates laterally, and the device only dampens by using the spring, so that the damping effect is not obvious. In view of this, we propose a centrifugal pump shock mount.
Disclosure of Invention
In order to overcome the defects in the prior art, the device can only absorb vibration of the centrifugal pump in the longitudinal direction, but is inconvenient to absorb vibration when the centrifugal pump vibrates transversely, and the device only uses the spring to absorb vibration, so that the vibration absorption effect is not obvious.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a damping base of a centrifugal pump, which comprises a base shell, wherein a mounting plate is arranged above the inner side of the base shell, a longitudinal damping mechanism is arranged in the base shell, a transverse damping mechanism is connected below the base shell, and a bottom plate seat is arranged below the transverse damping mechanism; the longitudinal damping mechanism can provide longitudinal damping effect for the centrifugal pump device, and the transverse damping mechanism can provide transverse damping effect for the centrifugal pump device, and the longitudinal damping mechanism and the transverse damping mechanism are independent of each other in damping effect, namely, the longitudinal damping mechanism and the transverse damping mechanism can play a role in damping simultaneously.
Preferably, the outside of mounting panel is provided with the limiting plate, the outside size of limiting plate with the inner wall size of base shell is the same, the top of base shell with be the block structure between the limiting plate, utilize the limiting plate can improve the stability of mounting panel reciprocates.
Preferably, the longitudinal damping mechanism comprises a damping cylinder I, a connecting rod I is connected to the inner side of the damping cylinder I in a telescopic manner, a piston I is arranged at the lower end of the connecting rod I, a sealing ring I is sleeved on the outer wall of the piston I, an air inlet and outlet I is arranged on the outer wall of the bottom end of the damping cylinder I, a communication structure is formed between the air inlet and outlet I and the damping cylinder I, the bottom of the damping cylinder I is fixedly arranged on the inner wall of the bottom end of the base shell, the top end of the connecting rod I is propped against the mounting plate, the inner diameter of the damping cylinder I is far greater than the inner diameter of the air inlet and outlet I, and the centrifugal pump can be longitudinally damped by the longitudinal damping mechanism.
Preferably, a first spring is sleeved on the outer side of the first connecting rod, the upper end of the first spring is propped against the mounting plate, and the lower end of the first spring is propped against the top end of the first shock absorption cylinder.
Preferably, the transverse damping mechanism comprises a damping cylinder II, the damping cylinder II is fixedly arranged on the bottom plate seat, a connecting rod II is connected to the inner side of the damping cylinder II in a telescopic manner, one end of the connecting rod II, which is far away from the damping cylinder II, is fixedly connected to the bottom end of the base shell, the connecting rod II is positioned at one end of the damping cylinder II, which is fixedly connected with a piston II, a sealing ring II is sleeved on the outer ring of the piston II, an air inlet and outlet II is arranged on the outer wall of the damping cylinder II, the caliber of the air inlet and outlet II is far smaller than the inner diameter of the damping cylinder II, a spring II is arranged on the outer side of the connecting rod II, one end of the spring II is propped against the base shell, and the other end of the spring II is propped against the damping cylinder II, so that the transverse damping mechanism can provide a transverse damping effect for the device.
Preferably, the two sides of the second damping cylinder are provided with sliding blocks, the sliding blocks are arranged in sliding rails in a sliding manner, the sliding rails are fixedly installed on the bottom plate seat, the sliding blocks are fixedly connected to the lower end of the base shell, and the sliding blocks and the sliding rails are in a clamping structure up and down.
The utility model has the advantages that:
1. the utility model can provide longitudinal damping effect for the centrifugal pump device through the longitudinal damping mechanism, and can provide transverse damping effect for the centrifugal pump device by utilizing the transverse damping mechanism, and the damping effects of the longitudinal damping mechanism and the transverse damping mechanism are not related to each other, namely, the longitudinal damping mechanism and the transverse damping mechanism can play a role in damping simultaneously;
2. according to the utility model, the piston is driven to move back and forth in the damping cylinder through the connecting rod, so that the damping cylinder continuously sucks air and exhausts air through the air inlet and outlet, and the kinetic energy of vibration is converted into heat to be consumed through the flowing of air, so that the purpose of damping is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a semi-sectioned enlarged structure of a base housing of the present utility model;
FIG. 3 is a schematic view of a cross-sectional enlarged structure of the transverse shock absorbing mechanism of the present utility model;
fig. 4 is an enlarged side view of the base housing and mounting plate of the present utility model.
In the figure: 1. a base housing; 2. a mounting plate; 3. a longitudinal shock absorbing mechanism; 4. a transverse damping mechanism; 5. a slide block; 6. a slide rail; 7. a base plate seat; 201. a limiting plate; 301. a damping cylinder I; 302. a first connecting rod; 303. a first piston; 304. a first sealing ring; 305. a first spring; 306. an air inlet and an air outlet; 401. a damping cylinder II; 402. a second connecting rod; 403. a second piston; 404. a second sealing ring; 405. a second spring; 406. and an air inlet and an air outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a damping base of a centrifugal pump includes a base housing 1, a mounting plate 2 is arranged above the inner side of the base housing 1, a longitudinal damping mechanism 3 is installed in the base housing 1, a transverse damping mechanism 4 is connected below the base housing 1, and a bottom plate seat 7 is installed below the transverse damping mechanism 4;
during operation, when the centrifugal pump is damped, the centrifugal pump is firstly arranged on the mounting plate 2, the bottom plate seat 7 is fixedly arranged on the ground or other equipment, when the centrifugal pump is started, the generated longitudinal vibration can be damped through the longitudinal damping mechanism 3, and the generated transverse vibration can be damped through the transverse damping mechanism 4, so that the vibration quantity of the centrifugal pump during operation is reduced, and the stability of the centrifugal pump during operation is improved.
As shown in fig. 4, a limiting plate 201 is arranged on the outer side of the mounting plate 2, the outer side dimension of the limiting plate 201 is the same as the inner wall dimension of the base shell 1, and a clamping structure is arranged between the top end of the base shell 1 and the limiting plate 201;
when the centrifugal pump vibrates up and down, the mounting plate 2 is driven to move up and down, and the vertical vibration is transmitted to the longitudinal vibration absorbing mechanism 3 for absorbing vibration, and when the mounting plate 2 moves up and down, the limiting plate 201 is driven to slide up and down along the inner wall of the base shell 1, the mounting plate 2 can be prevented from swinging left and right in the base shell 1 through the limiting plate 201, the base shell 1 is clamped at the top of the mounting plate 2, and the mounting plate 2 can be prevented from moving up and down too much to be separated from the base shell 1.
The longitudinal damping mechanism 3 comprises a damping cylinder I301, wherein the inner side of the damping cylinder I301 is connected with a connecting rod I302 in a telescopic manner, the lower end of the connecting rod I302 is provided with a piston I303, the outer wall of the piston I303 is sleeved with a sealing ring I304, the outer wall of the bottom end of the damping cylinder I301 is provided with an air inlet and outlet I306, a communication structure is formed between the air inlet and outlet I306 and the damping cylinder I301, the bottom of the damping cylinder I301 is fixedly arranged on the inner wall of the bottom end of the base shell 1, the top end of the connecting rod I302 is propped against the mounting plate 2, and the inner diameter of the damping cylinder I301 is far greater than that of the air inlet and outlet I306;
when the longitudinal vibration is absorbed, the connecting rod one 302 is driven to stretch and retract in the damping cylinder one 301 by the longitudinal vibration force, the piston one 303 is driven to move in the damping cylinder one 301 by the connecting rod one 302, the damping cylinder one 301 can exhaust or absorb air through the air inlet and outlet one 306, the inner diameter of the air inlet and outlet one 306 is far smaller than the diameter of the damping cylinder one 301, air flow can pass through the air inlet and outlet one 306 at high speed during air inlet and outlet, friction can be generated during high-speed passing, kinetic energy generated by vibration is converted into heat generated by air friction, the damping effect is achieved, the sealing ring one 304 is sleeved on the outer side of the piston one 303, the tightness of the piston one 303 and the damping cylinder one 301 can be increased, and air leakage is prevented.
The outer side of the first connecting rod 302 is sleeved with a first spring 305, the upper end of the first spring 305 is propped against the mounting plate 2, and the lower end of the first spring 305 is propped against the top end of the first shock-absorbing cylinder 301;
the first spring 305 can provide the ability to longitudinally damp the centrifugal pump.
As shown in fig. 3, the transverse damping mechanism 4 comprises a second damping cylinder 401, the second damping cylinder 401 is fixedly arranged on the bottom plate seat 7, the inner side of the second damping cylinder 401 is in telescopic connection with a second connecting rod 402, one end, away from the second damping cylinder 401, of the second connecting rod 402 is fixedly connected with a second piston 403, one end, located inside the second damping cylinder 401, of the second connecting rod 402 is fixedly connected with a second piston 403, a second sealing ring 404 is sleeved on the outer ring of the second piston 403, an air inlet and outlet 406 is arranged on the outer wall of the second damping cylinder 401, the caliber of the second air inlet and outlet 406 is far smaller than the inner diameter of the second damping cylinder 401, a second spring 405 is arranged on the outer side of the second damping cylinder 402, one end of the second spring 405 is propped against the second damping cylinder 401, and the other end of the second spring 405 is propped against the second damping cylinder 401;
when the centrifugal pump is transversely damped, transverse vibration generated by the centrifugal pump is transmitted to the transverse damping mechanism 4 through the base shell 1, the second connecting rod 402 of the transverse damping mechanism 4 stretches and contracts in the second damping cylinder 401, the second connecting rod 402 stretches and contracts to drive the second piston 403 to move back and forth in the second damping cylinder 401, the second damping cylinder 401 sucks air or exhausts air from the second air inlet and outlet 406 through the back and forth movement of the second piston 403, the caliber of the second air inlet and outlet 406 is far smaller than the inner diameter of the second damping cylinder 401, therefore, when the air inlet and outlet are carried out, air flow can flow through the second air inlet and outlet 406 at a high speed, and the air flow flowing through the air flow at a high speed rubs with the second air inlet and outlet 406 to generate heat, so that energy of the transverse vibration is converted into heat to achieve the purpose of damping, the second spring 405 can play a role of transverse damping, and the second sealing ring 404 is sleeved on the outer ring of the second piston 403, good sealing performance can be achieved, and air leakage is prevented.
Two sides of the second shock absorption cylinder 401 are provided with sliding blocks 5, the sliding blocks 5 are arranged in sliding rails 6 in a sliding manner, the sliding rails 6 are fixedly arranged on a bottom plate seat 7, the sliding blocks 5 are fixedly connected to the lower end of the base shell 1, and the sliding blocks 5 and the sliding rails 6 are in an up-down clamping structure;
by utilizing the sliding of the sliding block 5 in the sliding rail 6, the base plate seat 7 and the base shell 1 are movably connected in the transverse direction, so that the vibration is conveniently transmitted, and the vibration is conveniently damped.
The centrifugal pump is firstly arranged on the mounting plate 2 in the working process, the bottom plate seat 7 is fixedly arranged on the ground or other equipment, when the centrifugal pump is started, the generated longitudinal vibration can be damped through the longitudinal damping mechanism 3, and the generated transverse vibration can be damped through the transverse damping mechanism 4, so that the vibration quantity of the centrifugal pump in the working process is reduced, and the working stability of the centrifugal pump is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The damping base of the centrifugal pump is characterized by comprising a base shell (1), wherein a mounting plate (2) is arranged on the upper side of the inner side of the base shell (1), a longitudinal damping mechanism (3) is arranged in the base shell (1), a transverse damping mechanism (4) is connected to the lower side of the base shell (1), and a bottom plate seat (7) is arranged below the transverse damping mechanism (4).
2. The centrifugal pump vibration damping mount of claim 1, wherein: the outer side of the mounting plate (2) is provided with a limiting plate (201), the outer side size of the limiting plate (201) is identical to the inner wall size of the base shell (1), and a clamping structure is arranged between the top end of the base shell (1) and the limiting plate (201).
3. The centrifugal pump vibration damping mount of claim 2, wherein: the vertical damper (3) comprises a damper cylinder I (301), a connecting rod I (302) is connected to the inner side of the damper cylinder I (301) in a telescopic manner, a piston I (303) is arranged at the lower end of the connecting rod I (302), a sealing ring I (304) is sleeved on the outer wall of the piston I (303), an air inlet and outlet I (306) is arranged on the outer wall of the bottom end of the damper cylinder I (301), a communication structure is formed between the air inlet and outlet I (306) and the damper cylinder I (301), the bottom of the damper cylinder I (301) is fixedly arranged on the inner wall of the bottom end of the base shell (1), the top end of the connecting rod I (302) is propped against the mounting plate (2), and the inner diameter of the damper cylinder I (301) is far greater than that of the air inlet and outlet I (306).
4. A centrifugal pump vibration damping mount according to claim 3, wherein: the outer side of the connecting rod I (302) is sleeved with a spring I (305), the upper end of the spring I (305) is propped against the mounting plate (2), and the lower end of the spring I (305) is propped against the top end of the damper cylinder I (301).
5. The centrifugal pump vibration damping mount of claim 4, wherein: the transverse damping mechanism (4) comprises a damping cylinder II (401), the damping cylinder II (401) is fixedly arranged on the bottom plate seat (7), a connecting rod II (402) is connected to the inner side of the damping cylinder II (401) in a telescopic manner, one end of the connecting rod II (402) away from the damping cylinder II (401) is fixedly connected to the bottom end of the base shell (1), the connecting rod II (402) is located at one end of the inner part of the damping cylinder II (401) and fixedly connected with a piston II (403), a sealing ring II (404) is sleeved on the outer ring of the piston II (403), an air inlet and outlet II (406) is arranged on the outer wall of the damping cylinder II (401), the caliber of the air inlet and outlet II (406) is far smaller than the inner diameter of the damping cylinder II (401), a spring II (405) is arranged on the outer side of the connecting rod II (402), one end of the spring II (405) is propped against the base shell (1), and the other end of the spring II (405) is propped against the damping cylinder II (401).
6. The centrifugal pump vibration damping mount of claim 5, wherein: the two sides of the shock absorption cylinder II (401) are provided with sliding blocks (5), the sliding blocks (5) are arranged in the sliding rails (6) in a sliding manner, the sliding rails (6) are fixedly installed on the bottom plate seat (7), the sliding blocks (5) are fixedly connected to the lower end of the base shell (1), and the sliding blocks (5) and the sliding rails (6) are of a clamping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321153955.1U CN219712754U (en) | 2023-05-11 | 2023-05-11 | Damping base of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321153955.1U CN219712754U (en) | 2023-05-11 | 2023-05-11 | Damping base of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712754U true CN219712754U (en) | 2023-09-19 |
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ID=87996037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321153955.1U Active CN219712754U (en) | 2023-05-11 | 2023-05-11 | Damping base of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712754U (en) |
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2023
- 2023-05-11 CN CN202321153955.1U patent/CN219712754U/en active Active
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