CN111503213A - Vibration buffering supporting structure and application thereof - Google Patents
Vibration buffering supporting structure and application thereof Download PDFInfo
- Publication number
- CN111503213A CN111503213A CN202010196323.8A CN202010196323A CN111503213A CN 111503213 A CN111503213 A CN 111503213A CN 202010196323 A CN202010196323 A CN 202010196323A CN 111503213 A CN111503213 A CN 111503213A
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- CN
- China
- Prior art keywords
- vacuum pump
- rods
- support structure
- placing table
- small holes
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- 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.)
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Classifications
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- 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
- F16F15/022—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 using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
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- 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
- F16F15/023—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 using fluid means
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- 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
- F16F15/04—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 using elastic means
- F16F15/06—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 using elastic means with metal springs
- F16F15/067—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 using elastic means with metal springs using only wound springs
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- 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
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- 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
- F16F2230/00—Purpose; Design features
- F16F2230/22—Pumps
Abstract
The invention belongs to the field of vacuum pumps, and particularly relates to a vibration buffering support structure and an application thereof on a dry-type screw vacuum pump. The invention overcomes the defects of easy vibration instability and easy damage of the internal structure of the pump body due to vibration in the prior art, ensures that the vacuum pump can play a role in damping from left to right and up and down in the working process, and prevents the internal structure of the vacuum pump from being damaged due to vibration in the working process.
Description
Technical Field
The invention relates to the technical field of vacuum pumps, in particular to a vibration buffering supporting structure and application thereof to a vacuum pump.
Background
Vacuum pumps are the basic components of vacuum equipment. With the progress of society and the development of economy, the living standard of people is gradually submitted, and the requirements on the working environment and the performance of the vacuum pump are higher and higher. The screw type vacuum pump is an ideal dry pump appearing in 90 years of the 20 th century, has a wide application prospect and a great development potential, and plays an important role in the vacuum pump market. The dry screw vacuum pump generates suction and exhaust actions by a pair of screws rotating in a pump housing in a synchronous high-speed reverse direction.
However, the conventional screw vacuum pump has the following problems that persistent and irregular blocking vibration is caused due to the turbulent fluctuation of the exhaust air flow, the stability of the whole pump body is affected after a long time, and even the parts of the pump body are damaged, so that the screw vacuum pump is provided.
Disclosure of Invention
The invention aims to solve the defects that a screw type vacuum pump in the prior art is unstable in vibration and the internal structure of a pump body is easy to damage due to vibration, and provides a vibration buffering support structure and application thereof to a vacuum pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vibration buffering and supporting structure comprises a placing table, wherein supports are fixedly arranged at four corners of the bottom of the placing table, a transverse table is arranged at the top of the placing table, three first small holes are formed in the top side of the transverse table at equal intervals along the vertical direction, buffering fixing rods are movably arranged in the three first small holes, the top ends of the buffering fixing rods extend to the upper portions of the first small holes, the bottom of each buffering fixing rod is fixedly arranged on the placing table, a plurality of straight rods are fixedly arranged on the top side of the transverse table at equal intervals, the top ends of the straight rods are fixedly provided with the same upper structure, two first grooves are formed in the top of the placing table, piston cylinders are fixedly arranged in the two first grooves, second small holes are formed in the top of each piston cylinder along the vertical direction, two pistons are movably arranged in the piston cylinders, and the second small holes are located between the two pistons, the third aperture has all been seted up on the inner wall of piston cylinder both sides, has all seted up two second recesses on the inner wall of two first recess both sides, and the equal fixed mounting in one side that two pistons kept away from each other has the one end of horizontal pole, and the other end of horizontal pole runs through the third aperture to extend to in the second recess, the bottom side fixed mounting of horizontal platform has two montants, and the bottom of montant runs through the second aperture, and extends to in the piston cylinder, and the equal fixed mounting in one end that two montants are located the piston cylinder has the gag lever post, and the both ends of gag lever post contact with two pistons respectively.
Preferably, all cup jointed first spring on the three buffering dead lever, and the one end fixed connection of first spring is on the horizontal bench, and the other end fixed connection of first spring is on placing the bench.
Preferably, the cross rod is sleeved with a second spring, and the second spring is located between the piston and the third small hole.
Preferably, all seted up the fourth aperture along vertical direction on the inner wall of two second recess bottoms, and fixed mounting has the stopper on the inner wall of one side of fourth aperture, and the one end of fixed mounting torsional spring on the inner wall of stopper one side is kept away from to the fourth aperture, and the other end fixed mounting of torsional spring has stifled air plug, gambles air plug and stopper looks adaptation.
Preferably, the bottom of the air blocking plug is fixedly connected with one end of a rope, the other end of the rope extends to the lower part of the placing table, a pull ring is fixedly installed on the placing table, a plurality of L-shaped rods are fixedly installed on the bottom side of the placing table, and the L-shaped rods are matched with the pull ring.
Another object of the present invention is to provide a use of a vibration-damping support structure for a vacuum pumping machine, the vacuum pumping machine being disposed on the vibration-damping support structure for damping vibration energy of the vacuum pumping machine during operation.
Preferably, the vacuum pump is a dry screw vacuum pump.
According to the invention, the vibration buffering support structure is provided with the placing table, the support, the buffering fixing rod, the transverse table, the first small hole, the first spring, the vertical rod, the first groove, the piston cylinder, the second small hole, the limiting rod, the piston, the third small hole, the transverse rod, the second spring, the second groove, the fourth small hole, the limiting block, the torsion spring, the air blocking plug, the rope, the L-shaped rod and the pull ring which are matched with each other, so that the supporting and damping effects on the vacuum pump machine can be realized;
the invention overcomes the defects of easy vibration instability and easy damage of the internal structure of the pump body due to vibration in the prior art, ensures that the vacuum pump can play a role in damping from left to right and up and down in the working process, and prevents the internal structure of the vacuum pump from being damaged due to vibration in the working process.
Drawings
Fig. 1 is a schematic front view of a vibration buffering support structure and a vacuum pump using the same according to the present invention;
FIG. 2 is a schematic view of the structure of part A in FIG. 1;
fig. 3 is a schematic structural diagram of part B in fig. 1.
In the drawing, 1 a placing table, 2 a support, 3 a buffer fixing rod, 4 a transverse table, 5 a first small hole, 6 a first spring, 7 a straight rod, 8 a vacuum pump, 9 a vertical rod, 10 a first groove, 11 a piston cylinder, 12 a second small hole, 13 a limiting rod, 14 a piston, 15 a third small hole, 16 a cross rod, 17 a second spring, 18 a second groove, 19 a fourth small hole, 20 a limiting block, 21 a torsion spring, 22 an air blocking plug, 23 a rope, 24L type rods and 25 pull rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a vibration buffering support structure comprises a placing table 1, wherein supports 2 are fixedly installed at four corners of the bottom of the placing table 1, a horizontal table 4 is arranged at the top of the placing table 1, three first small holes 5 are formed in the top side of the horizontal table 4 at equal intervals along the vertical direction, buffering fixing rods 3 are movably installed in the three first small holes 5, the top ends of the buffering fixing rods 3 extend to the upper portions of the first small holes 5, the bottom of the buffering fixing rods 3 are fixedly installed on the placing table 1, a plurality of straight rods 7 are fixedly installed at the top side of the horizontal table 4 at equal intervals, the top ends of the straight rods 7 are fixedly installed with the same upper structure, two first grooves 10 are formed in the top of the placing table 1, piston cylinders 11 are fixedly installed in the two first grooves 10, second small holes 12 are formed in the top portions of the two piston cylinders 11 along the vertical direction, and two pistons 14 are movably installed in the piston cylinders 11, second aperture 12 is located between two pistons 14, third aperture 15 has all been seted up on the inner wall of piston cylinder 11 both sides, two second recesses 18 have all been seted up on the inner wall of two first recess 10 both sides, the equal fixed mounting in one side that two pistons 14 kept away from each other has the one end of horizontal pole 16, and the other end of horizontal pole 16 runs through third aperture 15, and extend to in the second recess 18, the bottom side fixed mounting of horizontal platform 4 has two montants 9, and the bottom of montant 9 runs through second aperture 12, and extend to in the piston cylinder 11, the equal fixed mounting in one end that two montants 9 are located the piston cylinder 11 has gag lever post 13, and the both ends of gag lever post 13 contact with two pistons 14 respectively.
According to the invention, the three buffer fixing rods 3 are all sleeved with the first springs 6, one ends of the first springs 6 are fixedly connected to the transverse table 4, the other ends of the first springs 6 are fixedly connected to the placing table 1, and the first springs 6 are used for reducing the vibration force of the vacuum pump 8 in the vertical direction.
In the invention, the cross rod 16 is sleeved with the second spring 17, the second spring 17 is positioned between the piston 14 and the third small hole 15, and the second spring 17 is used for enabling the piston 14 to automatically reset.
In the invention, the inner walls of the bottoms of the two second grooves 18 are both provided with a fourth small hole 19 along the vertical direction, the inner wall of one side of the fourth small hole 19 is fixedly provided with a limiting block 20, the inner wall of one side of the fourth small hole 19 far away from the limiting block 20 is fixedly provided with one end of a torsion spring 21, the other end of the torsion spring 21 is fixedly provided with an air blocking plug 22, and the air blocking plug 22 is matched with the limiting block 20.
In the invention, one end of a rope 23 is fixedly connected to the bottom of the air blocking plug 22, the other end of the rope 23 extends to the lower part of the placing table 1, a pull ring 25 is fixedly installed, a plurality of L-shaped rods 24 are fixedly installed at the bottom side of the placing table 1, the L-shaped rods 24 are matched with the pull ring 25, and the pull ring 25 is used for pulling the air blocking plug 22 to open so as to facilitate air exhaust when the piston 14 moves.
The invention also provides an application of the vibration buffering support structure on the vacuum pump, and the vacuum pump is arranged on the vibration buffering support structure and is used for buffering the vibration energy of the vacuum pump in the running process. The vacuum pump is preferably a dry screw vacuum pump.
According to the working principle, when the vacuum pump 8 works, firstly, the pull ring 25 is pulled to pull the air blocking plug 22 through the rope 23, then the pull ring 25 is clamped on the L-shaped rod 24 to fix the air blocking plug 22 in an open state, then the vacuum pump 8 can be used, when the vacuum pump 8 works, the vacuum pump 8 can shake violently, at the moment, the shake of the vacuum pump 8 from the upper side is transmitted to the transverse table 4 through the straight rod 7, then the transverse table 4 can shake up and down, then the shake in the up-down direction can be reduced under the matching of the buffer fixing rod 3, the transverse table 4 and the first spring 6, the force of the shake in the left-right direction of the vacuum pump 8 can extrude the two pistons 14 through the limiting rod 13, and the gas in the process that the two pistons 14 slide in the piston cylinder 11 is discharged to the outside through the fourth small hole 19, so that the shock absorption in the left-right direction is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A vibration buffering support structure comprises a placing table (1) and is characterized in that supports (2) are fixedly mounted at four corners of the bottom of the placing table (1), a transverse table (4) is arranged at the top of the placing table (1), three first small holes (5) are formed in the top side of the transverse table (4) at equal intervals along the vertical direction, buffering fixing rods (3) are movably mounted in the three first small holes (5), the top ends of the buffering fixing rods (3) extend to the upper portions of the first small holes (5), the bottom portions of the buffering fixing rods (3) are fixedly mounted on the placing table (1), a plurality of straight rods (7) are fixedly mounted on the top side of the transverse table (4) at equal intervals, the top ends of the straight rods (7) are fixedly mounted with a same vacuum pump (8), two first grooves (10) are formed in the top of the placing table (1), and the piston cylinders (11) are fixedly arranged in the two first grooves (10), the tops of the two piston cylinders (11) are provided with second small holes (12) along the vertical direction, the pistons (11) are movably arranged in the two pistons (14), the second small holes (12) are positioned between the two pistons (14), the inner walls of the two sides of the piston cylinders (11) are provided with third small holes (15), the inner walls of the two sides of the two first grooves (10) are provided with two second grooves (18), one sides of the two pistons (14) far away from each other are fixedly provided with one ends of cross rods (16), the other ends of the cross rods (16) penetrate through the third small holes (15) and extend into the second grooves (18), the bottom sides of the cross platforms (4) are fixedly provided with two vertical rods (9), and the bottom ends of the vertical rods (9) penetrate through the second small holes (12) and extend into the piston cylinders (11), the limiting rods (13) are fixedly mounted at one ends of the two vertical rods (9) in the piston cylinders (11), and two ends of each limiting rod (13) are respectively contacted with the two pistons (14).
2. The shock-absorbing support structure of claim 1, wherein the three absorbing fixing rods (3) are sleeved with first springs (6), one ends of the first springs (6) are fixedly connected to the transverse table (4), and the other ends of the first springs (6) are fixedly connected to the placing table (1).
3. A shock-absorbing support structure according to claim 1, wherein the cross-bar (16) is sleeved with a second spring (17), and the second spring (17) is located between the piston (14) and the third aperture (15).
4. The shock-absorbing support structure according to claim 1, wherein the inner walls of the bottoms of the two second grooves (18) are provided with a fourth small hole (19) along the vertical direction, the inner wall of one side of the fourth small hole (19) is fixedly provided with a limiting block (20), the inner wall of one side of the fourth small hole (19) away from the limiting block (20) is fixedly provided with one end of a torsion spring (21), the other end of the torsion spring (21) is fixedly provided with an air plug (22), and the air plug (22) is matched with the limiting block (20).
5. A shock-absorbing support structure according to claim 4, wherein one end of the rope (23) is fixedly connected to the bottom of the air-blocking plug (22), the other end of the rope (23) extends to the lower part of the placing table (1), and a pull ring (25) is fixedly installed, a plurality of L-shaped rods (24) are fixedly installed on the bottom side of the placing table (1), and the L-shaped rod (24) is matched with the pull ring (25).
6. Use of a shock-absorbing support structure according to any of claims 1-5 in a vacuum pump.
7. Use of a shock-absorbing support structure according to claim 6 in a vacuum pump, characterized in that: the vacuum pump is arranged on the upper part of the vibration buffering support structure and is used for buffering the vibration energy of the vacuum pump in the running process.
8. Use of a shock-absorbing support structure according to claim 6 or 7 in a vacuum pump, characterized in that: the vacuum pump is a dry screw vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196323.8A CN111503213A (en) | 2020-03-19 | 2020-03-19 | Vibration buffering supporting structure and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196323.8A CN111503213A (en) | 2020-03-19 | 2020-03-19 | Vibration buffering supporting structure and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111503213A true CN111503213A (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010196323.8A Pending CN111503213A (en) | 2020-03-19 | 2020-03-19 | Vibration buffering supporting structure and application thereof |
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| Country | Link |
|---|---|
| CN (1) | CN111503213A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387407A (en) * | 2020-10-26 | 2021-02-23 | 广东南兴天虹果仁制品有限公司 | Summer fruit crushing device and damping method, summer fruit kernel flavored cake and production process |
-
2020
- 2020-03-19 CN CN202010196323.8A patent/CN111503213A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387407A (en) * | 2020-10-26 | 2021-02-23 | 广东南兴天虹果仁制品有限公司 | Summer fruit crushing device and damping method, summer fruit kernel flavored cake and production process |
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