CN112763199A - Aircraft jack test bench - Google Patents
Aircraft jack test bench Download PDFInfo
- Publication number
- CN112763199A CN112763199A CN202011587769.XA CN202011587769A CN112763199A CN 112763199 A CN112763199 A CN 112763199A CN 202011587769 A CN202011587769 A CN 202011587769A CN 112763199 A CN112763199 A CN 112763199A
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- pressure sensor
- performance test
- hydraulic
- jacking
- platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses an aircraft jack performance test bed which comprises a lower platform, a support upright post, a pair of ejector rods, a pressure sensor, a locking nut, an upper platform, a pair of ejector hydraulic assemblies, a connecting pipeline, a data line, a pressure sensor digital display meter and a hydraulic station. The performance test bed for the aircraft jack provided by the invention realizes jacking action through the hydraulic jacking component, realizes real-time reading of pressure data through the pressure sensor and the pressure sensor digital display meter, and comprehensively realizes performance test of the aircraft jack after overhaul or maintenance. The performance test bed for the aircraft jack provided by the invention replaces the traditional test mode of sinking and pressing a weight or directly jacking an aircraft, and the test is more convenient, safer and more stable.
Description
Technical Field
The invention belongs to the technical field of aviation equipment, and particularly relates to an aircraft jack performance test bed.
Background
The overhaul or maintenance of the aircraft jack is mainly carried out aiming at a supporting system and a hydraulic system. The overhaul or maintenance of the supporting system mainly aims at repairing the appearance, replacing a standard connecting piece and repairing the damaged part, wherein the maintenance content of the part mainly relates to strength performance verification; the overhaul or maintenance of the hydraulic system mainly comprises the contents of oil liquid replacement, sealing element replacement, valve group replacement and the like, and the maintenance contents of the part mainly relate to the verification of the sealing performance. After the jack is overhauled or maintained, because whether the jack meets the use requirement cannot be verified by jacking the airplane, corresponding test equipment is lacked to verify the performance condition of the jack after the overhaul or maintenance.
In the prior art, the performance verification is realized by jacking the weight with the corresponding requirement force after the jack is overhauled or maintained, or the jacking force is verified by using a hydraulic cylinder jacking mode, but the danger degree of the weight jacking process is high, people are easy to hurt, the hydraulic cylinder jacking mode can only carry out static load test on the jack, and whether the jack can meet the requirement in the process of jacking the airplane cannot be checked. Therefore, an airplane jack performance test bench is needed.
Disclosure of Invention
In view of the above, the present invention provides an aircraft jack performance test bed, which is used to implement a static load test of a whole body and a dynamic load test of a hydraulic system of a jack after overhaul or maintenance, and verify the performance condition of the jack after overhaul or maintenance, so as to solve the above problems in the prior art.
The technical scheme of the invention is as follows:
an aircraft jack performance test bed comprises a lower platform 1, a support upright post 2, an opposite vertex rod 3, a pressure sensor 4, a locking nut 5, an upper platform 6, an opposite vertex hydraulic component 7, a connecting pipeline 8, a data line 9, a pressure sensor digital display meter 10 and a hydraulic station 11; wherein, lower platform 1 and upper platform 6 parallel arrangement each other, lower platform 1 and upper platform 6 all are provided with the column mouting hole, through connecting in the support post 2 interconnect in the column mouting hole between lower platform 1 and the upper platform 6, and support post 2 and lower platform 1 and upper platform 6 mutually perpendicular set up.
The center of the upper platform 6 is provided with an opening, the opposite-top hydraulic component 7 is arranged above the upper platform 6 and is fixedly connected to the upper platform 6 through bolts and nuts, the center of the end head part of the opposite-top hydraulic component 7 is positioned at the central opening of the platform 6, and the end head part is connected with one end of the pressure sensor 4; the other end of the pressure sensor 4 is connected with one end of the opposite ejector rod 3; the opposite-top hydraulic assembly 7 is matched with the hydraulic station 11 for use, and pressure is applied through the hydraulic station 11 to vertically and downwards apply pressure to the opposite-top hydraulic assembly 7.
The end part of the other end of the opposite jacking rod 3 is provided with a jack opposite jacking nest 301 which is used for contacting the head part of the jack to be detected, and a dynamic load test of the opposite jacking is realized under the action of the opposite jacking hydraulic component 7.
The hydraulic station 11 is connected with the opposite-top hydraulic component 7 through a connecting pipeline 8, a pressure sensor digital display meter 10 is arranged on the hydraulic station 11, and the pressure sensor digital display meter 10 is connected with the pressure sensor 4 through a data line 9.
Furthermore, in the column mounting holes of the lower platform 1 and the upper platform 6, the support columns 2 are locked by locking nuts.
Further, the number of the support columns 2 is at least 3, and preferably, the number of the support columns 2 is 4.
Further, the end head of the opposite-top hydraulic assembly 7 is connected with one end of the pressure sensor 4 through a thread; the other end of the pressure sensor 4 is connected with the opposite ejector rod 3 through threads.
The invention has the advantages that:
1. the performance test bed for the aircraft jack provided by the invention realizes jacking action through the hydraulic jacking component, realizes real-time reading of pressure data through the pressure sensor and the pressure sensor digital display meter, and comprehensively realizes performance test of the aircraft jack after overhaul or maintenance.
2. The performance test bed for the aircraft jack provided by the invention replaces the traditional test mode of sinking and pressing a weight or directly jacking an aircraft, and the test is more convenient, safer and more stable.
Drawings
Fig. 1 is a use effect diagram of an aircraft jack performance test bed provided in an embodiment of the invention.
Fig. 2A and 2B are schematic views of a lower platform of an aircraft jack performance test bed provided in an embodiment of the present invention; fig. 2A is a top view, and fig. 2B is a side view.
Fig. 3A and 3B are schematic diagrams of an upper platform of an aircraft jack performance test bed provided in an embodiment of the present invention; fig. 3A is a top view, and fig. 3B is a side view.
Fig. 4 is a schematic diagram of a jack rod of the aircraft jack performance test bed provided in the embodiment of the invention.
In the figure: 1, a lower platform; 2 supporting the upright post; 3 pairs of ejector rods; 4 a pressure sensor; 5, locking the nut; 6, an upper platform; 7 pairs of hydraulic components; 8 connecting pipelines; 9 data lines; 10, a pressure sensor digital display meter; 11 a hydraulic station; 301 jack against the socket.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
It is to be understood that the appended drawings are not to scale, but are merely drawn with appropriate simplifications to illustrate various features of the basic principles of the invention. Specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, locations, and configurations, will be determined in part by the particular intended application and use environment.
In the several figures of the drawings, identical or equivalent components (elements) are referenced with the same reference numerals.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Fig. 1 is a use effect diagram of an aircraft jack performance test bed provided in an embodiment of the invention. Fig. 2A and 2B are schematic diagrams of a lower platform of an aircraft jack performance test bed provided in an embodiment of the present invention. Fig. 3A and 3B are schematic diagrams of an upper platform of an aircraft jack performance test bed provided in an embodiment of the present invention. Fig. 4 is a schematic diagram of a jack rod of the aircraft jack performance test bed provided in the embodiment of the invention. Referring to fig. 1 to 4, in this embodiment, the aircraft jack performance test bed includes a lower platform 1, a support column 2, an opposite vertex rod 3, a pressure sensor 4, a lock nut 5, an upper platform 6, an opposite vertex hydraulic component 7, a connecting pipeline 8, a data line 9, a pressure sensor digital display meter 10 and a hydraulic station 11. Wherein, lower platform 1 and upper platform 6 parallel arrangement each other, lower platform 1 and upper platform 6 all are provided with the column mouting hole, through connecting the support post 2 interconnect in the column mouting hole between lower platform 1 and the upper platform 6, and support post 2 and lower platform 1 and the 6 mutually perpendicular settings of upper platform. Specifically, in the column mounting holes of the lower platform 1 and the upper platform 6, each support column 2 is locked by a locking nut, so that the flatness of the upper and lower platforms and the ground and the verticality of the upper and lower platforms and the column are ensured. More specifically, the number of the support columns 2 is at least 3, and preferably, the number of the support columns 2 is 4.
Referring to fig. 3A, an opening is formed in the center of the upper platform 6, the opposite vertex hydraulic assembly 7 is disposed above the upper platform 6 and is fixedly connected to the upper platform 6 through bolts and nuts, the center of the end head of the opposite vertex hydraulic assembly 7 is located at the central opening of the platform 6, the end head is connected to one end of the pressure sensor 4, and specifically, the end head of the opposite vertex hydraulic assembly 7 is connected to the pressure sensor 4 through a thread. The other end of the pressure sensor 4 is connected to one end of the opposite-ejecting rod 3, and specifically, the other end of the pressure sensor 4 is also screwed to the opposite-ejecting rod 3. The opposite-top hydraulic assembly 7 is matched with the hydraulic station 11 for use, and pressure is applied through the hydraulic station 11 to vertically and downwards apply pressure to the opposite-top hydraulic assembly 7.
Referring to fig. 4, a jack socket 301 is arranged at the end of the other end of the opposite ejector rod 3, is designed to be similar to an aircraft jack socket, and is in contact with the head of a jack to be detected, so that an opposite-jacking dynamic load test is realized under the action of the opposite-jacking hydraulic component 7. The ejector rod 3 is designed to contact with the head of the jack in a manner of imitating the jack socket of the aircraft jack, so that the verticality of stress and the stability of a test are ensured.
The hydraulic pressure station 11 is connected with the abutting hydraulic assembly 7 through a connecting pipeline 8, a pressure sensor digital display meter 10 is arranged on the hydraulic pressure station 11, the pressure sensor digital display meter 10 is connected with the pressure sensor 4 through a data line 9, and when the hydraulic jack abutting pressure testing device is used, the pressure sensor digital display meter 10 can display abutting pressure in real time, real-time transmission and display of the abutting pressure are achieved, and performance testing of static load tests and dynamic load tests after overhaul or maintenance of the jack is achieved.
The above description of exemplary embodiments has been presented only to illustrate the technical solution of the invention and is not intended to be exhaustive or to limit the invention to the precise form described. Obviously, many modifications and variations are possible in light of the above teaching to those skilled in the art. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to thereby enable others skilled in the art to understand, implement and utilize the invention in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.
Claims (6)
1. The performance test bed for the aircraft jack is characterized by comprising a lower platform (1), a supporting upright post (2), a butting rod (3), a pressure sensor (4), a locking nut (5), an upper platform (6), a butting hydraulic component (7), a connecting pipeline (8), a data line (9), a pressure sensor digital display meter (10) and a hydraulic station (11); wherein the content of the first and second substances,
the lower platform (1) and the upper platform (6) are arranged in parallel, the lower platform (1) and the upper platform (6) are both provided with upright post mounting holes, the lower platform (1) and the upper platform (6) are connected with each other through support upright posts (2) connected in the upright post mounting holes, and the support upright posts (2) are arranged perpendicular to the lower platform (1) and the upper platform (6);
an opening is formed in the center of the upper platform (6), the opposite-top hydraulic component (7) is arranged above the upper platform (6) and is fixedly connected to the upper platform (6) through bolts and nuts, the center of the end head of the opposite-top hydraulic component (7) is located at the central opening of the platform (6), and the end head is connected with one end of the pressure sensor (4); the other end of the pressure sensor (4) is connected with one end of the ejector rod (3); the opposite-top hydraulic assembly (7) is matched with the hydraulic station (11) for use, and the pressure is applied through the hydraulic station (11) to generate vertical downward pressure on the opposite-top hydraulic assembly (7);
a jack jacking nest (301) is arranged at the end head part of the other end of the jacking rod (3) and is used for being in contact with the head part of the jack to be detected, and a jacking dynamic load test is realized under the action of the jacking hydraulic component (7);
the hydraulic station (11) is connected with the opposite-top hydraulic component (7) through a connecting pipeline (8), a pressure sensor digital display meter (10) is arranged on the hydraulic station (11), and the pressure sensor digital display meter (10) is connected with the pressure sensor (4) through a data line (9).
2. An aircraft jack performance test bench according to claim 1, characterized in that each support column (2) is locked in the column mounting holes of the lower platform (1) and the upper platform (6) by means of a lock nut.
3. An aircraft jack performance test stand according to claim 1 or 2, characterized in that at least 3 support columns (2) are provided.
4. An aircraft jack performance test stand according to claim 3, characterized in that 4 support columns (2) are provided.
5. The aircraft jack performance test bed of claim 1, 2 or 4, wherein the end head of the counter-jacking hydraulic component (7) is connected with one end of the pressure sensor (4) through a screw thread; the other end of the pressure sensor (4) is connected with the ejector rod (3) through threads.
6. An aircraft jack performance test bed according to claim 3, characterized in that the end head of the counter-jacking hydraulic component (7) is connected with one end of the pressure sensor (4) through a thread; the other end of the pressure sensor (4) is connected with the ejector rod (3) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011587769.XA CN112763199A (en) | 2020-12-28 | 2020-12-28 | Aircraft jack test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011587769.XA CN112763199A (en) | 2020-12-28 | 2020-12-28 | Aircraft jack test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112763199A true CN112763199A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011587769.XA Pending CN112763199A (en) | 2020-12-28 | 2020-12-28 | Aircraft jack test bench |
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| CN (1) | CN112763199A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644549A (en) * | 2017-02-14 | 2017-05-10 | 成都飞机工业（集团）有限责任公司 | Bearing test device of airplane jack and testing method |
| US20180118537A1 (en) * | 2016-11-01 | 2018-05-03 | Vernon Roy Goodsell | Airplane Jack Apparatus |
| CN209351623U (en) * | 2018-12-03 | 2019-09-06 | 辽宁通用航空研究院 | The quick loading device of single-point dead load for light aerocraft structure |
| CN110631829A (en) * | 2019-10-24 | 2019-12-31 | 北京华横科技有限公司 | Static load test bed for jack |
| CN211602725U (en) * | 2019-12-20 | 2020-09-29 | 承德相一机械有限公司 | Shear type jack comprehensive test device |
-
2020
- 2020-12-28 CN CN202011587769.XA patent/CN112763199A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180118537A1 (en) * | 2016-11-01 | 2018-05-03 | Vernon Roy Goodsell | Airplane Jack Apparatus |
| CN106644549A (en) * | 2017-02-14 | 2017-05-10 | 成都飞机工业（集团）有限责任公司 | Bearing test device of airplane jack and testing method |
| CN209351623U (en) * | 2018-12-03 | 2019-09-06 | 辽宁通用航空研究院 | The quick loading device of single-point dead load for light aerocraft structure |
| CN110631829A (en) * | 2019-10-24 | 2019-12-31 | 北京华横科技有限公司 | Static load test bed for jack |
| CN211602725U (en) * | 2019-12-20 | 2020-09-29 | 承德相一机械有限公司 | Shear type jack comprehensive test device |
Non-Patent Citations (1)
| Title |
|---|
| 韩学剑 等: "千斤顶大修后性能试验设备研究", 《中国设备工程》 * |
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Application publication date: 20210507 |
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