CN114719131A - Vibration damping device and mounting structure for vibration damping of pump base - Google Patents
Vibration damping device and mounting structure for vibration damping of pump base Download PDFInfo
- Publication number
- CN114719131A CN114719131A CN202210520162.2A CN202210520162A CN114719131A CN 114719131 A CN114719131 A CN 114719131A CN 202210520162 A CN202210520162 A CN 202210520162A CN 114719131 A CN114719131 A CN 114719131A
- Authority
- CN
- China
- Prior art keywords
- vibration damping
- pump
- vibration
- mechanisms
- damping device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a vibration damping device for damping vibration of a pump base and a mounting structure, wherein the vibration damping device is composed of a connecting piece and three vibration damping mechanisms and is in a Y-shaped structure, one ends of the three vibration damping mechanisms are respectively connected with the connecting piece, three connecting points are respectively positioned at three vertexes of a triangle, the other ends of the two vibration damping mechanisms are used for being connected with two symmetrically arranged pump support seats of the pump base, and the other end of the other vibration damping mechanism is used for being connected with a concrete foundation. The vibration damper can connect two independent pump supports into a whole, thereby effectively improving the rigidity of the pump base, improving the overall stability of the pump base and reducing the vibration of the pump base.
Description
Technical Field
The invention belongs to the technical field of water pumps, and particularly relates to a vibration damping device for damping vibration of a pump base and a mounting structure.
Background
A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid.
The structural schematic diagram of the pump is shown in fig. 1, the pump base is provided with two symmetrically arranged pump supports 1, the two pump supports are fixed on a concrete foundation 2, and if the rigidity of the pump base is insufficient or the resonance of the working frequency of the pump is two important reasons for causing the pump to vibrate too much, how to improve the rigidity of the pump base and reduce the vibration of the pump base is a technical problem that a person skilled in the art expects to solve.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a vibration damping device and a mounting structure for damping vibration of a pump mount, wherein the vibration damping device can connect two independent pump mounts into a whole, thereby effectively improving the rigidity of the pump mount, improving the overall stability of the pump mount, and reducing the vibration of the pump mount.
The technical scheme of the invention is realized as follows:
the utility model provides a damping device for pump mount damping, damping device comprises connecting piece and three damping mechanism to be Y-shaped structure, three damping mechanism's one end is connected with the connecting piece respectively, and three tie points are located triangular three summits respectively, and wherein two damping mechanism's the other end is used for being connected with two pump support that the symmetry set up of pump mount, and another damping mechanism's the other end is used for being connected with the concrete foundation.
Furthermore, the vibration damping mechanism consists of a sleeve and two telescopic rods, wherein the outer circumferential surface of one telescopic rod is provided with a positive thread, and the outer circumferential surface of the other telescopic rod is provided with a negative thread; the inner walls of the two ends of the sleeve are respectively provided with threads matched with the threads of the two telescopic rods, one ends of the two telescopic rods are respectively inserted into the corresponding ends of the sleeve to be screwed and fixed with the sleeve, the other end of one telescopic rod is connected with the connecting piece, and the other end of the other telescopic rod is used for being connected with a pump support or a concrete foundation, so that the two telescopic rods can be stretched in the sleeve by rotating the sleeve, and the rigidity of the pump base can be further adjusted.
Furthermore, the vibration reduction mechanism is a damper, one end of the damper is connected with the connecting piece, and the other end of the damper is used for being connected with the pump support or the concrete foundation.
Further, the vibration reduction mechanism is rotatably connected with the connecting piece.
Furthermore, the connecting piece comprises a cushion block and two connecting plates which are oppositely arranged, and the cushion block is arranged between the two connecting plates through a fixing bolt; the two ends of the three vibration damping mechanisms are provided with connecting holes, the two connecting plates are respectively provided with through holes which are in one-to-one correspondence with the connecting holes of the three vibration damping mechanisms, and one end of each of the three vibration damping mechanisms is inserted between the two connecting plates and is connected with the three vibration damping mechanisms and the two connecting plates through connecting bolts, so that the three vibration damping mechanisms can rotate on the connecting piece.
Furthermore, the thickness of the cushion block is larger than the size of a connecting end formed by connecting the three vibration reduction mechanisms and the connecting piece, so that the three vibration reduction mechanisms are prevented from being clamped by the two connecting plates.
A mounting structure for vibration reduction of a pump base is characterized in that the pump base is provided with two symmetrically arranged pump supports, and the two pump supports are fixed on a concrete foundation; the damping device is arranged between the two pump supports, two damping mechanisms of the damping device are obliquely arranged and are respectively fixed with the two pump supports, the other damping mechanism is vertically arranged and is fixed with the concrete foundation.
Furthermore, a vibration damping mechanism is horizontally arranged between the two pump supports, and two ends of the vibration damping mechanism are respectively fixed with the two pump supports, so that the overall rigidity of the two pump supports is improved conveniently.
Compared with the prior art, the invention has the following beneficial effects:
1. the Y-shaped vibration damper is adopted, and the two pump supports can be connected into a whole, so that the rigidity of the pump base is improved, the integral stability of the pump base is improved, and the vibration of the pump base is reduced; meanwhile, the pipeline laid between the two pump supports cannot be influenced, so that the vibration damping device has wide application value.
2. The vibration reduction mechanism can be rotatably connected with the connecting piece, so that the installation angle of the vibration reduction device can be adjusted, and the vibration reduction device can be used for vibration reduction application of pumps with various specifications.
Drawings
Fig. 1-schematic view of the pump construction.
Fig. 2-a schematic view of the structure of the damping device.
Fig. 3-2 are partial schematic structural diagrams.
Fig. 4-fig. 3A-a are sectional views.
Figure 5-schematic view of the mounting structure.
Wherein: 1-a pump support; 2-concrete foundation; 3-a connector; 31-a connecting plate; 4-a vibration damping mechanism; 5-fixing the bolt; 6-connecting bolts; 7-cushion block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2, 3 and 4, a vibration damping device for damping vibration of a pump mount comprises a connecting piece 3 and three vibration damping mechanisms 4, wherein the vibration damping device is of a Y-shaped structure, one ends of the three vibration damping mechanisms 4 are respectively connected with the connecting piece 3, three connecting points are respectively located at three vertexes of a triangle, the other ends of the two vibration damping mechanisms 4 are used for being connected with two symmetrically arranged pump supports 1 of the pump mount, and the other end of the other vibration damping mechanism 4 is used for being connected with a concrete foundation 2.
The Y-shaped vibration damper is adopted, and the two pump supports can be connected together to form a whole, so that the rigidity of the pump base is improved, the overall stability of the pump base is improved, and the vibration of the pump base is reduced.
Meanwhile, a pipeline is usually arranged between the two pump supports, and the arrangement of the pipeline cannot be influenced by adopting the vibration damper, so that the use is more convenient.
In specific implementation, the vibration damping mechanism 4 is composed of a sleeve and two telescopic rods, wherein the outer circumferential surface of one telescopic rod is provided with a positive thread, and the outer circumferential surface of the other telescopic rod is provided with a negative thread; the inner walls of the two ends of the sleeve are respectively provided with threads matched with the threads of the two telescopic rods, one ends of the two telescopic rods are respectively inserted into the corresponding ends of the sleeve to be screwed and fixed with the sleeve, the other end of one telescopic rod is connected with the connecting piece, and the other end of the other telescopic rod is used for being connected with the pump support 1 or the concrete foundation 2, so that the two telescopic rods can be stretched in the sleeve by rotating the sleeve, and the rigidity of the pump base can be further adjusted.
Fig. 2 is a schematic structural diagram of a vibration damping device formed by a sleeve and two telescopic rods in the vibration damping mechanism, so that the length of the vibration damping mechanism is adjusted to adjust the pretightening force of the vibration damping device and a pump support, thereby adjusting the overall rigidity of a pump base, improving the natural frequency of the pump base, and leading vibration to a concrete foundation to achieve the purpose of reducing the overall vibration of the pump base.
During specific implementation, the vibration reduction mechanism 4 is a damper, one end of the damper is connected with the connecting piece 3, and the other end of the damper is used for being connected with the pump support 1 or the concrete foundation 2.
The structural schematic diagram of the vibration damping device with the vibration damping mechanism as a damper only needs to replace the vibration damping mechanism in fig. 2 with the damper. Therefore, the rigidity of the pump seat can be enhanced or weakened by adjusting the length of the damping part of the damper, the rigidity and the damping of the pump seat are adjusted, the operating frequency of the pump is avoided, and the resonance of the pump is avoided; the vibration energy is dissipated through a damping spring or damping particles in the damper, and the vibration amplitude is reduced; and residual vibration is introduced into the concrete foundation to achieve the purpose of comprehensive vibration reduction, so that the purpose of reducing the vibration of the pump seat is achieved.
In specific implementation, the damping mechanism 4 is rotatably connected with the connecting piece 3.
The rotary connection can ensure that the vibration damping mechanism can rotate in a certain range, so that the installation angle of the vibration damping device and the pump support can be conveniently adjusted, and the pump support can be further suitable for various pumps with different regulations to reduce the vibration of the pump support.
In specific implementation, the connecting piece 3 comprises a cushion block 7 and two connecting plates 31 which are oppositely arranged, and the cushion block 7 is arranged between the two connecting plates 31 through a fixing bolt 5; connecting holes are formed in two ends of the three vibration reduction mechanisms 4, through holes which correspond to the connecting holes of the three vibration reduction mechanisms 4 one to one are formed in the two connecting plates 31, one ends of the three vibration reduction mechanisms 4 are inserted between the two connecting plates 31, and the three vibration reduction mechanisms 4 are connected with the two connecting plates 31 through connecting bolts 6, so that the three vibration reduction mechanisms 4 can rotate on the connecting piece 3.
The fixing bolt and the connecting bolt are composed of a screw rod with a nut and a nut, a first through hole is arranged in the center of the cushion block, second through holes corresponding to the through holes are arranged on the two connecting plates, the screw rod sequentially penetrates through the second through hole on one connecting plate, the first through hole on the cushion block and the second through hole on the other connecting plate, the nut is sleeved on the screw rod corresponding to the end, and therefore the cushion block is clamped between the two connecting plates. In a similar way, one end of the three vibration reduction mechanisms is clamped between the two connecting plates by the connecting bolts.
During specific implementation, the thickness of the cushion block 7 is larger than the size of a connecting end formed by connecting the three damping mechanisms 4 and the connecting piece 3, so that the three damping mechanisms 4 are prevented from being clamped by the two connecting plates 31.
Referring to fig. 1 to 5, the mounting structure for damping vibration of a pump base is provided with two symmetrical and parallel pump supports 1, and the two pump supports 1 are fixed on a concrete foundation 2; the damping device is arranged between the two pump supports 1, the two damping mechanisms 4 of the damping device are obliquely arranged, the two damping mechanisms 4 are respectively fixed with the two pump supports 1, the other damping mechanism 4 is vertically arranged, and the damping mechanism 4 is fixed with the concrete foundation 2.
During specific implementation, a vibration damping mechanism 4 is horizontally arranged between the two pump supports 1, and two ends of the vibration damping mechanism 4 are respectively fixed with the two pump supports 1, so that the overall rigidity of the two pump supports 1 is improved conveniently.
When the vibration damping mechanism of the vibration damping device consists of a sleeve and two telescopic rods, the outer circumferential surface of one telescopic rod of the vibration damping mechanism is provided with a positive thread, and the outer circumferential surface of the other telescopic rod of the vibration damping mechanism is provided with a negative thread; the inner walls of the two ends of the sleeve are respectively provided with threads matched with the threads of the two telescopic rods, one ends of the two telescopic rods are respectively inserted into the corresponding ends of the sleeve to be screwed and fixed with the sleeve, the other end of one telescopic rod is connected with the connecting piece 3, and the other end of the other telescopic rod is connected with the pump support 1 or the concrete foundation 2, so that the two telescopic rods can be stretched in the sleeve by rotating the sleeve, and the rigidity of the pump base can be further adjusted.
When the vibration reduction mechanism of the vibration reduction device is a damper, one end of the damper is connected with the connecting piece 3, and the other end of the damper is connected with the pump support 1 or the concrete foundation 2.
Finally, it should be noted that the above-mentioned examples of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. Obvious changes and modifications of the present invention are also within the scope of the present invention.
Claims (8)
1. The vibration damping device for the pump base is characterized by comprising a connecting piece and three vibration damping mechanisms, the vibration damping device is of a Y-shaped structure, one ends of the three vibration damping mechanisms are connected with the connecting piece respectively, three connecting points are located at three vertexes of a triangle respectively, the other ends of the two vibration damping mechanisms are used for being connected with two symmetrically-arranged pump support seats of the pump base, and the other end of the other vibration damping mechanism is used for being connected with a concrete foundation.
2. The vibration damping device for damping the vibration of the pump base as claimed in claim 1, wherein the vibration damping mechanism is composed of a sleeve and two telescopic rods, wherein the outer circumferential surface of one telescopic rod is provided with a positive thread, and the outer circumferential surface of the other telescopic rod is provided with a negative thread; the inner walls of the two ends of the sleeve are respectively provided with threads matched with the threads of the two telescopic rods, one ends of the two telescopic rods are respectively inserted into the corresponding ends of the sleeve to be screwed and fixed with the sleeve, the other end of one telescopic rod is connected with the connecting piece, and the other end of the other telescopic rod is used for being connected with a pump support or a concrete foundation, so that the two telescopic rods can be stretched in the sleeve by rotating the sleeve, and the rigidity of the pump base can be further adjusted.
3. A vibration damping device for vibration damping of a pump mount according to claim 1, wherein the vibration damping mechanism is a damper, one end of the damper is connected to the connecting member, and the other end of the damper is used for connection to the pump mount or the concrete foundation.
4. A vibration damping apparatus for vibration damping of a pump mount as claimed in claim 1, wherein the vibration damping mechanism is rotatably connected to the connecting member.
5. The vibration damping device for pump mount vibration damping according to claim 4, wherein the connecting member comprises a cushion block and two connecting plates arranged oppositely, the cushion block is arranged between the two connecting plates through a fixing bolt; connecting holes are formed in two ends of the three vibration reduction mechanisms, through holes which correspond to the connecting holes of the three vibration reduction mechanisms one to one are formed in the two connecting plates respectively, one end of each of the three vibration reduction mechanisms is inserted between the two connecting plates, and the three vibration reduction mechanisms are connected with the two connecting plates through connecting bolts, so that the three vibration reduction mechanisms can rotate on the connecting piece.
6. The vibration damping device for damping vibration of a pump base according to claim 5, wherein the thickness of the cushion block is larger than the size of a connecting end formed by connecting the three vibration damping mechanisms and the connecting piece, so that the three vibration damping mechanisms are prevented from being locked by the two connecting plates.
7. A mounting structure for vibration reduction of a pump base is characterized in that the pump base is provided with two symmetrically arranged pump supports, and the two pump supports are fixed on a concrete foundation; the vibration damping device is characterized in that the vibration damping device as claimed in any one of claims 1 to 6 is arranged between the two pump supports, two vibration damping mechanisms of the vibration damping device are obliquely arranged and are respectively fixed with the two pump supports, the other vibration damping mechanism is vertically arranged and is fixed with a concrete foundation.
8. A mounting structure for damping vibration of a pump mount according to claim 7, wherein a vibration damping mechanism is horizontally disposed between the two pump mounts, and both ends of the vibration damping mechanism are respectively fixed to the two pump mounts, so as to improve the overall rigidity of the two pump mounts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210520162.2A CN114719131B (en) | 2022-05-13 | Vibration damper for vibration damping of pump seat and mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210520162.2A CN114719131B (en) | 2022-05-13 | Vibration damper for vibration damping of pump seat and mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719131A true CN114719131A (en) | 2022-07-08 |
| CN114719131B CN114719131B (en) | 2024-07-30 |
Family
ID=
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769612Y (en) * | 2005-01-24 | 2006-04-05 | 元渝机械(深圳)有限公司 | Antivibrator with flat steel spring |
| KR101008199B1 (en) * | 2009-11-19 | 2011-01-17 | 주식회사 원준하이테크 | Seismic control haunch |
| CN102653221A (en) * | 2012-04-09 | 2012-09-05 | 王运举 | Vibration damping system with steering automatic balance |
| DE102013215952A1 (en) * | 2012-09-06 | 2014-03-06 | Schaeffler Technologies AG & Co. KG | Torsional vibration insulation system for internal combustion engine of motor vehicle, has torsional vibration-loaded crankshaft on which energy accumulators distributing energy over circumference of crank pin is arranged |
| KR101393694B1 (en) * | 2012-11-05 | 2014-05-13 | 조선대학교산학협력단 | Friction damper |
| CN203770957U (en) * | 2014-03-24 | 2014-08-13 | 中核华泰建设有限公司 | Simple damping base for horizontal pump |
| CN105298198A (en) * | 2015-11-19 | 2016-02-03 | 同济大学 | Buckling prevention and vibration attenuation device suitable for conical tower tube structure of wind power tower |
| CN108612186A (en) * | 2018-03-24 | 2018-10-02 | 北京工业大学 | The assembling truss structure of the rod piece of multidimensional vibration reduction containing toggle-type |
| CN209705549U (en) * | 2019-04-23 | 2019-11-29 | 郭冬霞 | A kind of mechanical equipment installation supporting mechanism |
| CN209990846U (en) * | 2019-04-28 | 2020-01-24 | 江阴亿达机械制造有限公司 | Fracturing pump buffer |
| CN112013078A (en) * | 2020-07-27 | 2020-12-01 | 北京空间飞行器总体设计部 | Precision instrument vibration isolation platform |
| CN114160582A (en) * | 2021-11-19 | 2022-03-11 | 太原理工大学 | Hydraulic vibration suppression device for vertical vibration of rolling mill |
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769612Y (en) * | 2005-01-24 | 2006-04-05 | 元渝机械(深圳)有限公司 | Antivibrator with flat steel spring |
| KR101008199B1 (en) * | 2009-11-19 | 2011-01-17 | 주식회사 원준하이테크 | Seismic control haunch |
| CN102653221A (en) * | 2012-04-09 | 2012-09-05 | 王运举 | Vibration damping system with steering automatic balance |
| DE102013215952A1 (en) * | 2012-09-06 | 2014-03-06 | Schaeffler Technologies AG & Co. KG | Torsional vibration insulation system for internal combustion engine of motor vehicle, has torsional vibration-loaded crankshaft on which energy accumulators distributing energy over circumference of crank pin is arranged |
| KR101393694B1 (en) * | 2012-11-05 | 2014-05-13 | 조선대학교산학협력단 | Friction damper |
| CN203770957U (en) * | 2014-03-24 | 2014-08-13 | 中核华泰建设有限公司 | Simple damping base for horizontal pump |
| CN105298198A (en) * | 2015-11-19 | 2016-02-03 | 同济大学 | Buckling prevention and vibration attenuation device suitable for conical tower tube structure of wind power tower |
| CN108612186A (en) * | 2018-03-24 | 2018-10-02 | 北京工业大学 | The assembling truss structure of the rod piece of multidimensional vibration reduction containing toggle-type |
| CN209705549U (en) * | 2019-04-23 | 2019-11-29 | 郭冬霞 | A kind of mechanical equipment installation supporting mechanism |
| CN209990846U (en) * | 2019-04-28 | 2020-01-24 | 江阴亿达机械制造有限公司 | Fracturing pump buffer |
| CN112013078A (en) * | 2020-07-27 | 2020-12-01 | 北京空间飞行器总体设计部 | Precision instrument vibration isolation platform |
| CN114160582A (en) * | 2021-11-19 | 2022-03-11 | 太原理工大学 | Hydraulic vibration suppression device for vertical vibration of rolling mill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211083103U (en) | Anti-seismic fixed support hanger | |
| CN114719131A (en) | Vibration damping device and mounting structure for vibration damping of pump base | |
| CN114719131B (en) | Vibration damper for vibration damping of pump seat and mounting structure | |
| CN110056503B (en) | Pump and water treatment device | |
| CN213452360U (en) | Anti-seismic support for building | |
| CN111457187B (en) | Pipeline vibration damper and configuration method thereof | |
| CN215950759U (en) | Anti-seismic support hanger | |
| CN111188871A (en) | Quasi-zero stiffness vibration isolator | |
| CN211398791U (en) | Adjustable spring support hanger | |
| CN213512407U (en) | Novel adjustable tube bundle for anti-seismic support hanger | |
| CN207034387U (en) | A kind of pipe-hanger support | |
| CN213629204U (en) | Pipeline supporting device | |
| CN219592084U (en) | Electrical piping anti-seismic supporting device for electromechanical installation of building | |
| CN220487831U (en) | Fracturing pump and work vehicle | |
| CN220600807U (en) | Energy-consumption dynamic vibration absorber suitable for pipeline | |
| CN220957142U (en) | Support of gas conveying pipeline | |
| CN217815336U (en) | Petrochemical engineering pipeline compression-resistant support suitable for different calibers | |
| CN215215068U (en) | Prefabricated pad spare of municipal administration pipeline | |
| CN219062669U (en) | Pipeline supporting structure | |
| CN206694419U (en) | A kind of sealing type bearing seat | |
| CN214197742U (en) | Novel hydraulic engineering is with pipeline of being convenient for to connect | |
| CN215000273U (en) | Equipment base stopper | |
| CN221348205U (en) | Building construction drainage pipeline clamp | |
| CN217558689U (en) | Hydro-cylinder unable adjustment base with buffer structure | |
| CN210863173U (en) | Suspension shock absorber test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |