CN115217897A - Damping device for rotor engine bench test - Google Patents
Damping device for rotor engine bench test Download PDFInfo
- Publication number
- CN115217897A CN115217897A CN202210743758.9A CN202210743758A CN115217897A CN 115217897 A CN115217897 A CN 115217897A CN 202210743758 A CN202210743758 A CN 202210743758A CN 115217897 A CN115217897 A CN 115217897A
- Authority
- CN
- China
- Prior art keywords
- engine body
- rotor engine
- spring
- shock absorption
- damping
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000035939 shock Effects 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides a shock absorption device for a bench test of a rotor engine, which comprises a rotor engine body and a shock absorption device for performing the bench test on the rotor engine, wherein the shock absorption device comprises a support frame, and the rotor engine body is arranged in the support frame through a bottom shock absorption assembly and a side wall shock absorption assembly; the rotary engine body plays a role in buffering at the bottom through the first spring and the connecting rod, and plays a role in damping the side wall in the supporting frame through the second spring. The rotor engine body disclosed by the invention slides downwards when being subjected to longitudinal impact force, the first spring contracts to play a role in buffering when the rotor engine body slides downwards, and when being subjected to transverse impact force, the rotor engine body slides transversely to extrude the second spring on one side of the rotor engine body, and the second spring is deformed under stress to play a role in buffering.
Description
Technical Field
The invention belongs to the technical field of rotor engines, and particularly relates to a damping device for a bench test of a rotor engine.
Background
Some new structure rotary engines are provided with moving parts with different rotation directions, so that the vibration characteristics of the rotary engines are different from those of the conventional rotary engines. In the process of experimental research of a rotor engine, when certain engine parameters are tested, the influence caused by the vibration of a crankshaft and a rotor of the engine needs to be eliminated, the vibration of an engine body in different directions is restrained, and a conventional test bench only has a damping measure in the axial direction of the crankshaft and can only eliminate transverse and longitudinal vibration but can not eliminate the vibration in other directions. Therefore, the damping device for the rotor engine bench test is provided to solve the problems.
Summary of the invention
In view of this, the invention provides a damping device for a bench test of a rotor engine, so as to solve the problem of influence caused by vibration of a crankshaft and a rotor in the experimental process of the rotor engine.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a shock absorption device for a bench test of a rotor engine comprises a rotor engine body and a shock absorption device for performing the bench test on the rotor engine, wherein the shock absorption device comprises a support frame, and the rotor engine body is arranged in the support frame through a bottom shock absorption assembly and a side wall shock absorption assembly;
the bottom damping assembly is arranged at the bottom of the support frame and comprises a slide rail, two slide blocks are symmetrically arranged on the slide rail, the two slide blocks are both arranged on the slide rail through a first spring, the bottom of the rotor engine body is arranged on the slide blocks, and a damping effect is achieved through the first spring;
the lateral wall damper assembly comprises a plurality of connecting blocks and a plurality of second springs, each connecting block is mounted on the lateral wall of the rotor engine body through the second springs, each connecting block is further mounted on the lateral wall of the supporting frame, and the rotor engine body plays a role in damping in the supporting frame through the second springs.
Furthermore, the slide rail comprises two bases which are symmetrically arranged, a slide column is installed between the two bases, two sliding blocks are installed on the slide column, each sliding block is installed with the corresponding base through a first spring, and the bottom of the rotor engine body is connected with the corresponding sliding block through a connecting rod.
When the rotary engine body starts to vibrate, pressure is applied downwards, the rotary engine body is in rotary connection with the connecting rod at the bottom, so that when the rotary engine body applies pressure, the connecting rod and the rotary engine body rotate, the other end of the connecting rod is in rotary connection with the sliding block, the connecting rod pushes the sliding block to slide, and under the action of the first spring, the sliding block extrudes the spring towards the first spring to achieve a damping effect.
Wherein can set up multiunit bottom damper assembly according to the weight of rotor engine body, make its better shock attenuation effect that plays.
Furthermore, two groups of side plates are fixed at two ends of the supporting frame, sliding grooves are formed in the inner sides of the side plates, and connecting blocks are installed in the sliding grooves.
Furthermore, the cross section of the connecting block is T-shaped, the section of the sliding groove is T-shaped, the connecting block is rotatably provided with a pulley, and the pulley is connected with the inner wall of the sliding groove in a rolling manner.
The connecting block sets up the effect of pulley and is in rotor engine body laboratory, takes place vibrations, applys pressure downwards, and when whole downstream, the pulley can play direction and slip effect, and the rotor engine body of being convenient for is the experiment.
Furthermore, the connecting blocks comprise four connecting blocks, every two connecting blocks are a group, and the two groups of connecting blocks are symmetrically arranged in the sliding grooves of the side plates.
Compared with the prior art, the damping device for the rotor engine bench test has the following advantages:
the invention creates a shock absorption device for a rotor engine bench test, wherein a rotor engine body slides downwards when receiving longitudinal impact force, the rotor engine body pushes a sliding block outwards through a connecting rod when sliding downwards, the sliding block extrudes a first spring when sliding outwards, the first spring contracts to play a role in buffering, when receiving transverse impact force, the rotor engine body transversely slides to extrude a second spring on one side and stretch a second spring on the other side, and the second spring deforms under stress to play a role in buffering.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
fig. 1 is a schematic structural view of a damping device for a pedestal test of a rotor engine according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection block according to an embodiment of the present invention.
Description of reference numerals:
1. a rotary engine body; 2. a support frame; 3. a first spring; 4. a connecting rod; 5. a traveler; 6. a slider; 7. a slide rail; 8. a second spring; 9. connecting blocks; 10. a chute; 11. a side plate; 12. a pulley.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, the present invention provides a technical solution: a shock absorption device for a rotary engine bench test comprises a rotary engine body 1 and a support frame 2, wherein a slide rail 7 is fixed on the support frame 2, two slide blocks 6 are arranged at two ends of the slide rail 7 in a sliding mode, the slide blocks 6 and the lower end of the rotary engine body 1 are connected with a connecting rod 4, one end of the connecting rod 4 is rotatably connected with the slide blocks 6, the other end of the connecting rod 4 is rotatably connected with the rotary engine body 1, and a first spring 3 is connected between the outer side of each slide block 6 and the slide rail 7;
when the longitudinal impact force is applied, the rotary engine body 1 slides downwards, the sliding block 6 is pushed outwards through the connecting rod 4 when the rotary engine body 1 slides downwards, the first spring 3 is extruded when the sliding block 6 slides outwards, and the first spring 3 contracts to play a buffering role.
As shown in fig. 1, two sets of side plates 11 are fixed at two ends of the support frame 2, a sliding groove 10 is formed in the inner side of each side plate 11, a connecting block 9 is arranged in each sliding groove 10 in a sliding mode, the connecting block 9 and the side face of the rotary engine body 1 are connected with a second spring 8, when the rotary engine body 1 is subjected to transverse impact force, the rotary engine body 1 slides transversely to extrude the second spring 8 on one side, the second spring 8 on the other side is stretched, and the second spring 8 deforms under the stress to play a buffering role.
As shown in fig. 1, as a technical optimization scheme of the present invention, a sliding rail 7 is fixed with a sliding column 5, a sliding block 6 is slidably connected with the sliding column 5, and a first spring 3 is sleeved on the sliding column 5.
As shown in fig. 1, as a technical optimization scheme of the present invention, there are two connecting blocks 9 connected to each group of side plates 11.
As shown in fig. 1 and 2, as a technical optimization scheme of the present invention, the cross section of the connecting block 9 is T-shaped, the connecting block 9 is rotatably provided with a pulley 12, the pulley 12 is in rolling connection with the inner wall of the chute 10, and by connecting the pulley 12 between the connecting block 9 and the chute 10, when the rotary engine body 1 slides downwards, the connecting block 9 is driven to slide downwards, the connecting block 9 plays a role of support, and the pulley 12 reduces the friction force between the connecting block 9 and the chute 10.
The working principle is as follows: when the rotary engine body 1 slides downwards under the action of longitudinal impact force, the sliding block 6 is pushed outwards through the connecting rod 4 when the rotary engine body 1 slides downwards, the sliding block 6 extrudes the first spring 3 when sliding outwards, the first spring 3 contracts to play a role in buffering, when the rotary engine body 1 slides transversely under the action of transverse impact force, the second spring 8 on one side is extruded, the second spring 8 on the other side is stretched, and the second spring 8 deforms under the action of force to play a role in buffering.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A shock absorption device for a bench test of a rotor engine comprises a rotor engine body (1) and the shock absorption device for the bench test of the rotor engine, and is characterized in that the shock absorption device comprises a support frame (2), and the rotor engine body (1) is installed in the support frame (2) through a bottom shock absorption assembly and a side wall shock absorption assembly;
the bottom damping assembly is arranged at the bottom of the support frame (2), the bottom damping assembly comprises a slide rail (7), two slide blocks (6) are symmetrically arranged on the slide rail (7), the two slide blocks (6) are both arranged on the slide rail (7) through first springs (3), the bottom of the rotor engine body (1) is arranged on the slide blocks (6), and a damping effect is achieved through the first springs (3);
lateral wall damper includes a plurality of connecting blocks (9), a plurality of second spring (8), and every connecting block (9) are installed on the lateral wall of rotor engine body (1) through second spring (8), and every connecting block (9) are still installed on the lateral wall of support frame (2), and rotor engine body (1) plays the cushioning effect in support frame (2) through second spring (8).
2. The device for damping the test of the stand of the rotary engine according to claim 1, wherein: slide rail (7) include two bases that two symmetries set up, install traveller (5) between two bases, and two slider (6) are installed on traveller (5), and through first spring (3) installation between every slider (6) and the base that corresponds, rotor engine body (1) bottom is connected with slider (6) that correspond through connecting rod (4).
3. The device for damping the test of the stand of the rotary engine according to claim 1, wherein: two ends of the supporting frame (2) are fixed with two groups of side plates (11), the inner sides of the side plates (11) are provided with sliding grooves (10), and the connecting blocks (9) are installed in the sliding grooves (10).
4. The rotary engine bench test damping device according to claim 3, characterized in that: the cross section of connecting block (9) is T shape, and the cross section of spout (10) is the T type, and connecting block (9) rotate and be equipped with pulley (12), the inner wall roll connection of pulley (12) and spout (10).
5. The device for damping the test of the bench of the rotary engine according to claim 3, wherein: the connecting blocks (9) comprise four, every two connecting blocks (9) form a group, and the two groups of connecting blocks (9) are symmetrically arranged in the sliding grooves (10) of the side plates (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210743758.9A CN115217897A (en) | 2022-06-28 | 2022-06-28 | Damping device for rotor engine bench test |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210743758.9A CN115217897A (en) | 2022-06-28 | 2022-06-28 | Damping device for rotor engine bench test |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115217897A true CN115217897A (en) | 2022-10-21 |
Family
ID=83609576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210743758.9A Pending CN115217897A (en) | 2022-06-28 | 2022-06-28 | Damping device for rotor engine bench test |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115217897A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108909428A (en) * | 2018-09-05 | 2018-11-30 | 上海元禾汽车零件有限公司 | Rear suspension support for engine |
CN210941839U (en) * | 2019-08-25 | 2020-07-07 | 成都骏达物流有限公司 | Effectual conveyer for building of shock attenuation |
CN111779792A (en) * | 2020-07-11 | 2020-10-16 | 喻炜喆 | Damping device for electromechanical equipment |
CN112248737A (en) * | 2020-11-02 | 2021-01-22 | 安徽奥丰汽车配件有限公司 | High temperature resistant automobile shock absorber tray |
CN214306086U (en) * | 2020-12-31 | 2021-09-28 | 吉林省新域光电与精密机械有限公司 | Antidetonation encoder machine tooling support |
CN215677483U (en) * | 2021-08-13 | 2022-01-28 | 山东鲁源工业技术有限公司 | Automobile radiator torsional vibration resistance performance test equipment |
-
2022
- 2022-06-28 CN CN202210743758.9A patent/CN115217897A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108909428A (en) * | 2018-09-05 | 2018-11-30 | 上海元禾汽车零件有限公司 | Rear suspension support for engine |
CN210941839U (en) * | 2019-08-25 | 2020-07-07 | 成都骏达物流有限公司 | Effectual conveyer for building of shock attenuation |
CN111779792A (en) * | 2020-07-11 | 2020-10-16 | 喻炜喆 | Damping device for electromechanical equipment |
CN112248737A (en) * | 2020-11-02 | 2021-01-22 | 安徽奥丰汽车配件有限公司 | High temperature resistant automobile shock absorber tray |
CN214306086U (en) * | 2020-12-31 | 2021-09-28 | 吉林省新域光电与精密机械有限公司 | Antidetonation encoder machine tooling support |
CN215677483U (en) * | 2021-08-13 | 2022-01-28 | 山东鲁源工业技术有限公司 | Automobile radiator torsional vibration resistance performance test equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214061241U (en) | Shock insulation support structure for bridge engineering | |
CN115217897A (en) | Damping device for rotor engine bench test | |
CN208239228U (en) | A kind of material during tensile fatigue tester | |
CN214702709U (en) | Spring fatigue life test bed | |
CN211142865U (en) | Town road decelerator | |
CN219012816U (en) | Spacing structure of compressor | |
CN219348122U (en) | Spring life test equipment | |
CN116164065B (en) | Two-degree-of-freedom quasi-zero stiffness vibration isolator for polishing equipment | |
CN218099494U (en) | High-voltage switch dynamic characteristic tester | |
CN216408407U (en) | Damping base for gasoline engine | |
CN110778649A (en) | Three-degree-of-freedom parallel vibration isolation platform with quasi-zero rigidity characteristic | |
CN114001995A (en) | Novel vibration steel wheel performance test device and method | |
CN114838074A (en) | Constant-tension buffer mechanism based on hinge zero-stiffness spring | |
CN218510010U (en) | Bearing seat with shock absorption and self-lubrication functions | |
CN219690302U (en) | Bridge support | |
CN215335217U (en) | Mechanical equipment vibration damping mount | |
CN218761091U (en) | Quasi-zero stiffness vibration isolator suitable for variable load mass | |
CN220162333U (en) | Six-degree-of-freedom constrained flexible assembly tool | |
CN212007819U (en) | Testing mechanism and device for automobile rear shock absorber and air spring | |
CN111089815A (en) | High-speed multi-station friction testing machine for piston ring-cylinder sleeve sliding pair | |
CN220980533U (en) | Mosaic type spring storage support hanger | |
CN219358851U (en) | Damping base for vertical machining center | |
CN212963319U (en) | Electronic level with accurate measurement function | |
CN220354192U (en) | Lock pin oil cylinder for mining machinery | |
CN115750645A (en) | Quasi-zero stiffness vibration isolator suitable for variable load mass |
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 | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221021 |