CN109278004B - Aviation piston engine test bench - Google Patents
Aviation piston engine test bench Download PDFInfo
- Publication number
- CN109278004B CN109278004B CN201811290253.1A CN201811290253A CN109278004B CN 109278004 B CN109278004 B CN 109278004B CN 201811290253 A CN201811290253 A CN 201811290253A CN 109278004 B CN109278004 B CN 109278004B
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- CN
- China
- Prior art keywords
- mounting plate
- guide rail
- box body
- piston engine
- test bench
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
An aero-piston engine test bench belongs to the technical field of aero-piston engine test and aims to solve the problems of large workload and low test efficiency in the test of two or more engines in the prior art. The invention relates to an aviation piston engine test bench, which comprises: a support base; the box body is fixed on the upper end surface of the supporting seat; the engine mounting plate which can slide back and forth along the axial direction relative to the box body is guided by the motion guide mechanism, the engine mounting plate comprises a first mounting plate and a second mounting plate which are symmetrically arranged on two sides of the box body, and mounting holes for mounting and fixing the engine are respectively formed in the first mounting plate and the second mounting plate; and the fixing structure is used for fixing the position of the engine mounting plate and the box body after sliding adjustment. According to the invention, two engines can be installed at the same time, so that the disassembly workload is reduced; the engine mounting plate can be provided with electronic equipment for carrying out flight condition simulation test.
Description
Technical Field
The invention belongs to the technical field of aviation piston engine testing, and particularly relates to an aviation piston engine testing bench.
Background
The engine is from design to mature product, bench test is wherein than the inequality link, in the development test of ordinary engine, need carry out start-up test, ignition test, the performance test etc. of engine, aviation piston engine need carry out dynamics and thermal test of various operating modes on the engine bench before getting on the bus, use small-size piston engine as power device to fixed wing unmanned aerial vehicle usually, provide push-pull for unmanned aerial vehicle flight. The performance of the engine directly affects the performance, reliability and economy of the unmanned aerial vehicle, and parameters such as rotational speed control stability, tension during acceleration and deceleration, thrust, torque and oil consumption of the engine need to be obtained in a test stage, so that a small piston type aeroengine test bench needs to be provided. In the actual use, the parallel test condition of two or more engines can appear, and the test is carried out to the condition of different engine tests, needs constantly to dismantle, and work load is big, and test efficiency is low.
In order to reduce the disassembly workload, a test bench capable of simultaneously carrying two engines is designed.
Disclosure of Invention
The invention aims to provide an aviation piston engine test bench which solves the problems of high workload and low test efficiency in the test of two or more engines in the prior art.
To achieve the above object, an aviation piston engine test stand of the present invention includes:
a support base;
the box body is fixed on the upper end surface of the supporting seat;
the engine mounting plate which can slide back and forth along the axial direction relative to the box body is guided by the motion guide mechanism, the engine mounting plate comprises a first mounting plate and a second mounting plate which are symmetrically arranged on two sides of the box body, and mounting holes for mounting and fixing the engine are respectively formed in the first mounting plate and the second mounting plate;
and the fixing structure is used for fixing the position of the engine mounting plate and the box body after sliding adjustment.
The box includes:
the bottom surface is fixedly connected with the upper end surface of the supporting seat through bolts and nuts;
and two side walls which are oppositely arranged, wherein the lower end surfaces of the two side walls are fixedly connected with the bottom surface, and the first mounting plate and the second mounting plate are respectively perpendicular to the two side walls.
The motion guiding mechanism comprises a plurality of groups symmetrically arranged on the outer surface of the side wall of the box body, and each group comprises:
the linear bearing is fixed on the outer side face of the side wall of the box body;
the guide rail penetrates through the linear bearing and is in sliding fit with the linear bearing, the middle part of the guide rail is fixedly connected with the first mounting plate, and one end of the guide rail penetrates through the linear bearing and is fixedly connected with the second mounting plate.
The guide rail middle part is specifically connected with the first mounting plate: the guide rail passes through the mount pad with first mounting panel fixed connection, the mount pad is the axle sleeve structure, and one end is provided with the stationary blade, the stationary blade passes through bolt and first mounting panel fixed connection, the axle sleeve cover is in on the guide rail, be provided with radial screw hole on the axle sleeve, locking screw with screw hole threaded connection, locking screw tip top is tight the outer wall of guide rail.
One end of the guide rail is fixedly connected with the second mounting plate specifically: the guide rail and the outer wall of one end of the second mounting plate are matched with each other, a step is arranged in the guide rail, an internal thread is arranged in the guide rail, the step is matched with a corresponding hole site on the second mounting plate, and the fixing bolt is in threaded connection with the internal thread.
The fixed knot constructs including fixing the stand of bottom surface up end of box, be provided with coaxial round hole on stand, first mounting panel and the second mounting panel, the round hole of stand with all be connected with wire rope between the round hole of first mounting panel and between the round hole of second mounting panel.
The wire rope and the first mounting plate and the second mounting plate are connected and fixed through the eye bolts.
The lug plates which are horizontally arranged are welded at the four supporting feet of the supporting seat.
The beneficial effects of the invention are as follows: the aero-piston engine test bench provided by the invention can be used for measuring the push-pull force of engines of different types on the same bench, is used for carrying electronic equipment to perform flight condition simulation test, is simple in movement mechanism, safe and reliable, good in mechanical interface and high in suitability, can meet the requirements of various tests, and is high in use operation efficiency. The aviation piston engine test bench can be provided with two engines at the same time, so that the disassembly workload is reduced; the engine mounting plate can be provided with electronic equipment for carrying out flight condition simulation test.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an aero-piston engine test bench according to the present invention;
FIG. 2 is an enlarged view of a portion of a mounting seat in an aero-piston engine test bench according to the present invention;
wherein: 1. the device comprises a supporting seat, 101, lugs, 2, a box body, 201, a bottom surface, 202, side walls, 3, an engine mounting plate, 301, a first mounting plate, 302, a second mounting plate, 4, a motion guiding mechanism, 401, linear bearings, 402, guide rails, 5, a fixing structure, 501, upright posts, 6 and a mounting seat.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an aero-piston engine test bench of the present invention comprises:
a support base 1;
the box body 2 is fixed on the upper end surface of the supporting seat 1;
the engine mounting plate 3 which slides back and forth along the axial direction relative to the box body 2 is guided by the motion guide mechanism 4, the engine mounting plate 3 comprises a first mounting plate 301 and a second mounting plate 302 which are symmetrically arranged on two sides of the box body 2, and mounting holes for mounting and fixing an engine are respectively formed in the first mounting plate 301 and the second mounting plate 302;
and a fixing structure 5, wherein the fixing structure 5 is used for fixing the position of the engine mounting plate 3 and the box body 2 after sliding adjustment.
The case 2 includes:
the bottom surface 201 is fastened and connected with the upper end surface of the supporting seat 1 through bolts and nuts;
and two side walls 202 oppositely arranged, wherein the lower end surfaces of the two side walls 202 are fixedly connected with the bottom surface 201, and the first mounting plate 301 and the second mounting plate 302 are respectively perpendicular to the two side walls 202.
The motion guiding mechanism 4 comprises four groups symmetrically arranged on the outer surface of the side wall 202 of the box 2, two groups are arranged on each side wall 202, and each group comprises:
two or more linear bearings 401 fixed to the outer side surface of the side wall 202 of the case 2;
the guide rail 402 passes through the linear bearing 401 and is in sliding fit with the linear bearing 401, the middle part of the guide rail 402 is fixedly connected with the first mounting plate 301, and one end of the guide rail passes through the linear bearing 401 and is fixedly connected with the second mounting plate 302.
The middle part of the guide rail 402 is fixedly connected with the first mounting plate 301 specifically: the guide rail 402 is fixedly connected with the first mounting plate 301 through the mounting seat 6, the mounting seat 6 is of a shaft sleeve structure, a fixing piece is arranged at one end portion of the mounting seat, the fixing piece is fixedly connected with the first mounting plate 301 through a bolt, the shaft sleeve is sleeved on the guide rail 402, a radial threaded hole is formed in the shaft sleeve, a locking screw is in threaded connection with the threaded hole, and the end portion of the locking screw abuts against the outer wall of the guide rail 402.
One end of the guide rail 402 is fixedly connected with the second mounting plate 302 specifically: the guide rail 402 and the outer wall of one end of the second mounting plate 302 are matched, a step is arranged in the guide rail, an internal thread is arranged in the guide rail, the step is matched with a corresponding hole on the second mounting plate 302, and a fixing bolt is in threaded connection with the internal thread.
The fixed knot constructs 5 including fixing the stand 501 of bottom surface 201 up end of box 2, be provided with coaxial round hole on stand 501, first mounting panel 301 and the second mounting panel 302, stand 501 the round hole with all be connected with wire rope between the round hole of first mounting panel 301 and between the round hole of second mounting panel 302.
The connection and fixation of the connection part of the steel wire rope and the first mounting plate 301 and the second mounting plate 302 are realized through eye bolts.
The lugs 101 which are horizontally arranged are welded at the four supporting feet of the supporting seat 1, and the four lugs 101 are pressed by the heavy objects to ensure the stability of the supporting seat 1.
The linear bearings 401 of the present invention are fixed to the bottom surface 201 by bolts and nuts, and the guide rail 402 passes through two or more linear bearings 401, limiting the translation of the guide rail 402 in two directions and the rotation in two directions. The guide rail 402 penetrates through the engine mounting plate 3 to limit translational degrees of freedom of the engine in two directions, the mounting seat 6 limits the engine mounting plate 3 and the guide rail 402 to mutually move in the axial direction of the guide rail 402, and three or more guide rails 402 are arranged to limit rotational degrees of freedom of the engine mounting plate 3 in three directions. The column 501 is fixed to the bottom surface 201 of the case 2 by a bolt-nut fastener. The upright post 501 and the engine mounting plate 3 are respectively provided with a round hole, and the two round holes are connected through a steel wire rope and an eye bolt to limit the axial translational freedom degree of the engine mounting plate 3 on the guide rail 402. Different hole sites can be arranged on the engine mounting plate 3 to realize the mounting of engines of different models.
Claims (8)
1. An aero-piston engine test bench, comprising:
a support base (1);
the box body (2) is fixed on the upper end surface of the supporting seat (1);
the engine mounting plate (3) which slides back and forth along the axial direction relative to the box body (2) is guided by the motion guide mechanism (4), the engine mounting plate (3) comprises a first mounting plate (301) and a second mounting plate (302) which are symmetrically arranged on two sides of the box body (2), and mounting holes for mounting and fixing an engine are respectively formed in the first mounting plate (301) and the second mounting plate (302);
and the fixing structure (5) is used for fixing the position of the engine mounting plate (3) and the box body (2) after sliding adjustment through the fixing structure (5).
2. An aero-piston engine test bench according to claim 1, characterized in that said box (2) comprises:
the bottom surface (201) is fixedly connected with the upper end surface of the supporting seat (1) through bolts and nuts;
and two side walls (202) which are oppositely arranged, wherein the lower end surfaces of the two side walls (202) are fixedly connected with the bottom surface (201), and the first mounting plate (301) and the second mounting plate (302) are respectively perpendicular to the two side walls (202).
3. An aero-piston engine test bench according to claim 2, characterized in that said movement guiding means (4) comprise a plurality of groups symmetrically arranged on the outer surface of the side wall (202) of said tank (2), each group comprising:
a linear bearing (401) fixed on the outer side surface of the side wall (202) of the box body (2);
the guide rail (402) penetrates through the linear bearing (401) and is in sliding fit with the linear bearing (401), the middle part of the guide rail (402) is fixedly connected with the first mounting plate (301), and one end of the guide rail penetrates through the linear bearing (401) and is fixedly connected with the second mounting plate (302).
4. An aero-piston engine test bench according to claim 3, characterized in that the fixed connection of the middle part of the guide rail (402) and the first mounting plate (301) is in particular: guide rail (402) pass through mount pad (6) with first mounting panel (301) fixed connection, mount pad (6) are axle sleeve structure, and one end is provided with the stationary blade, the stationary blade passes through bolt and first mounting panel (301) fixed connection, the axle sleeve cover is in on guide rail (402), be provided with radial screw hole on the axle sleeve, locking screw with radial screw hole threaded connection, locking screw tip top is tight the outer wall of guide rail (402).
5. An aero-piston engine test bench according to claim 3, characterized in that said guide rail (402) is fixedly connected at one end to said second mounting plate (302) by: the guide rail (402) and the outer wall of one end of the second mounting plate (302) are matched, a step is arranged in the guide rail, an internal thread is arranged in the guide rail, the step is matched with a corresponding hole site on the second mounting plate (302), and the fixing bolt is in threaded connection with the internal thread.
6. An aero-piston engine test bench according to claim 3, characterized in that the fixing structure (5) comprises a stand column (501) fixed on the upper end face of the bottom surface (201) of the box body (2), coaxial round holes are formed in the stand column (501), the first mounting plate (301) and the second mounting plate (302), and steel wire ropes are connected between the round holes of the stand column (501) and the round holes of the first mounting plate (301) and between the round holes of the second mounting plate (302).
7. An aero-piston engine test bench according to claim 6, characterized in that the connection of the wire rope with the first mounting plate (301) and the second mounting plate (302) is fixed by means of eye bolts.
8. An aero-piston engine test bench according to any of claims 1-7, characterized in that the four legs of the support base (1) are welded with horizontally arranged lugs (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290253.1A CN109278004B (en) | 2018-10-31 | 2018-10-31 | Aviation piston engine test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290253.1A CN109278004B (en) | 2018-10-31 | 2018-10-31 | Aviation piston engine test bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278004A CN109278004A (en) | 2019-01-29 |
| CN109278004B true CN109278004B (en) | 2023-05-26 |
Family
ID=65174249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811290253.1A Active CN109278004B (en) | 2018-10-31 | 2018-10-31 | Aviation piston engine test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109278004B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB630472A (en) * | 1947-11-18 | 1949-10-13 | Curran John Ltd | Improvements in or relating to engine test benches |
| CN103217295A (en) * | 2013-03-28 | 2013-07-24 | 南京航空航天大学 | Ground test rack system of aviation piston engine |
| CN106584381A (en) * | 2016-12-20 | 2017-04-26 | 重庆道同动力机械设备有限公司 | Clamping fixture for cam shaft of engine |
| CN107116514A (en) * | 2017-06-30 | 2017-09-01 | 天津天海同步科技有限公司 | Synchronizer product bench test executing agency |
| CN108507790A (en) * | 2018-06-11 | 2018-09-07 | 中国水利水电科学研究院 | A kind of small-sized electric unmanned vehicle engine testboard bay |
| CN208914050U (en) * | 2018-10-31 | 2019-05-31 | 长光卫星技术有限公司 | A kind of aviation piston engine testboard bay |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120152007A1 (en) * | 2007-01-12 | 2012-06-21 | Richard Holmes | Testing performance of a material for use in a jet engine |
| KR101405228B1 (en) * | 2013-07-01 | 2014-06-10 | 기아자동차 주식회사 | Engine test device |
-
2018
- 2018-10-31 CN CN201811290253.1A patent/CN109278004B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB630472A (en) * | 1947-11-18 | 1949-10-13 | Curran John Ltd | Improvements in or relating to engine test benches |
| CN103217295A (en) * | 2013-03-28 | 2013-07-24 | 南京航空航天大学 | Ground test rack system of aviation piston engine |
| CN106584381A (en) * | 2016-12-20 | 2017-04-26 | 重庆道同动力机械设备有限公司 | Clamping fixture for cam shaft of engine |
| CN107116514A (en) * | 2017-06-30 | 2017-09-01 | 天津天海同步科技有限公司 | Synchronizer product bench test executing agency |
| CN108507790A (en) * | 2018-06-11 | 2018-09-07 | 中国水利水电科学研究院 | A kind of small-sized electric unmanned vehicle engine testboard bay |
| CN208914050U (en) * | 2018-10-31 | 2019-05-31 | 长光卫星技术有限公司 | A kind of aviation piston engine testboard bay |
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| Publication number | Publication date |
|---|---|
| CN109278004A (en) | 2019-01-29 |
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Address after: No. 1299, Mingxi Road, Beihu science and Technology Development Zone, Changchun City, Jilin Province Applicant after: Changguang Satellite Technology Co.,Ltd. Address before: No.1759 Mingxi Road, Gaoxin North District, Changchun City, Jilin Province Applicant before: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. |
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