CN114414241B - Test device - Google Patents
Test device Download PDFInfo
- Publication number
- CN114414241B CN114414241B CN202111493879.4A CN202111493879A CN114414241B CN 114414241 B CN114414241 B CN 114414241B CN 202111493879 A CN202111493879 A CN 202111493879A CN 114414241 B CN114414241 B CN 114414241B
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- China
- Prior art keywords
- sliding
- fixing seat
- bushing
- fastener
- damping mechanism
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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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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 238000013016 damping Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 238000009661 fatigue test Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 2
- 239000006247 magnetic powder Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The embodiment of the application provides a testing device. The testing arrangement for test to the test piece that awaits measuring, the test piece that awaits measuring includes the body and connects the slider on the body with slidable mode, and testing arrangement includes: the base is provided with a bearing surface; the first fixing seat is fixed on the bearing surface, and the body is fixedly connected with the first fixing seat; the second fixing seat is fixed on the bearing surface; and one end of the damping mechanism is connected with the second fixing seat, the other end of the damping mechanism is fixedly connected with the sliding body, and the damping mechanism is configured to provide a load opposite to the moving direction of the sliding body for the sliding body in the process of moving the sliding body relative to the body. According to the embodiment of the application, the cost of the testing device can be reduced.
Description
Technical Field
The application relates to the technical field of steering engine testing, in particular to a testing device.
Background
The linear steering engine is equipment with one end capable of reciprocating along linear motion, and fatigue damage can occur due to long-time bearing of a large load in the using process of the linear steering engine, so that fatigue test is needed for the linear steering engine.
The testing device in the related art comprises a magnetic powder brake, a gear and a rack, wherein the output end of the magnetic powder brake drives the gear to rotate in the fatigue testing process of the linear steering engine so as to drive the rack to do linear reciprocating motion, so that a load with periodically changing direction is provided for one end of the linear steering engine. And then using a sensor to measure the actual load value and the steering engine displacement of the linear steering engine, judging whether the actual load value and the steering engine displacement are consistent with the rated load and the rated displacement, and if so, starting to test whether one end of the linear steering engine is damaged when the reciprocating frequency reaches a set value.
However, the magnetic powder brake is complex in structure and high in manufacturing cost and maintenance cost, so that the whole testing device is high in testing cost.
Disclosure of Invention
An object of the embodiments of the present application is to provide a testing device, so as to reduce the cost of the testing device. The specific technical scheme is as follows:
according to an aspect of the embodiments of the present application, there is provided a test device for testing a test piece to be tested, the test piece to be tested including a body and a slider slidably connected to the body, the test device including:
a base having a bearing surface;
the first fixing seat is fixed on the bearing surface, and the body is fixedly connected with the first fixing seat;
the second fixing seat is fixed on the bearing surface;
the damping mechanism is configured to provide a load opposite to the moving direction of the sliding body for the sliding body in the process of moving the sliding body relative to the body.
In use, the test device provided by the embodiment of the application is used for electrically connecting the test piece to be tested with the power supply and the controller, and the controller controls the sliding body of the test piece to be tested to do linear reciprocating motion relative to the body. The testing device comprises a base, a first fixing seat, a second fixing seat and a damping mechanism, wherein the first fixing seat and the second fixing seat are both fixed on a bearing surface of the base, the body is fixedly connected with the first fixing seat, and one end of the damping mechanism provides acting force opposite to the moving direction of the damping mechanism for the other end when the other end moves relative to the one end of the damping mechanism. The other end of the damping mechanism is fixedly connected with the sliding body, so that the moving direction of the sliding body is the same as the moving direction of the other end of the damping mechanism. In this way, the damping mechanism can provide a load to the slider in a direction opposite to the movement direction of the slider during movement of the slider relative to the body. Because damping mechanism compares the structure of magnetic powder brake simpler, and the testing arrangement of this application embodiment need not to set up gear and rack, consequently, manufacturing cost and cost of maintenance are lower all, i.e. this application embodiment can reduce testing arrangement's cost.
In some embodiments, the test device further comprises:
the third fixing seat is positioned between the first fixing seat and the second fixing seat, and comprises two limiting pieces which are oppositely arranged and are fixed on the bearing surface, and sliding grooves with corresponding positions are formed in the two limiting pieces;
the sliding block comprises a block body and two sliding parts arranged on two sides of the block body, the block body is connected between the sliding body and the damping mechanism, the two sliding parts respectively extend into the two sliding grooves, and the extending direction of the sliding grooves is the same as the sliding direction of the sliding body.
In some embodiments, a fastener is threaded through an end of the slider body proximate to the slider;
the sliding block is characterized by further comprising two lug plates which are positioned at one end of the block body, close to the test piece to be tested, and are oppositely arranged, wherein the two lug plates are respectively positioned at two sides of the sliding body, through holes with corresponding positions are respectively formed in the two lug plates, and two ends of the fastening piece respectively penetrate through the two through holes and extend into the sliding groove.
In some embodiments, the test device further comprises a first bushing connected between the fastener and the through hole, the first bushing having a flange located between the ear plate and the limiter.
In some embodiments, the testing device further comprises a second bushing sleeved on the outer surface of the fastener, the second bushing is located between the fastener and the chute, the fastener extends out of the chute, and a retainer ring is arranged on the outer surface of the extending portion of the fastener.
In some embodiments, the testing device further comprises a third bushing sleeved on the outer surface of the sliding piece, the third bushing is in butt joint with the sliding groove, and a retainer ring is arranged on the outer surface of the portion, extending out of the sliding groove, of the sliding piece.
In some embodiments, the testing device further comprises two protection plates, and a projection area of the protection plates on the limiting piece covers an area where the chute is located;
the protection plate comprises a connection plate and shielding plates, wherein two connection plates are respectively fixed on the outer sides of two limiting parts, two shielding plates are located above the limiting parts, and two shielding plates incline towards the directions close to each other.
In some embodiments, the damping mechanism is a hydraulic damper.
In some embodiments, a damper is fixed between the first fixing base and the test piece to be tested.
In some embodiments, the cross section of the base is an i-shaped cross section, and the first fixing base and the second fixing base are respectively located at two ends of the bearing surface.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other embodiments may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a testing device according to an embodiment of the present application at a first viewing angle;
FIG. 2 is a schematic view of the test apparatus shown in FIG. 1 in a second view;
FIG. 3 is a partial cross-sectional view of the testing device shown in FIG. 2;
fig. 4 is a schematic structural view of the damping mechanism shown in fig. 1.
Icon: 1-a test piece to be tested; 11-a body; 12-a sliding body; 13-a fastener; 2-a base; 21-a bearing surface; 3-a first fixing seat; 4-a second fixing seat; 5-a damping mechanism; 51-a hydraulic rod; 6-a third fixing seat; 61-limiting piece; 611-a chute; 7-a slide block; 71-block; 72-slide; 73-ear plate; 731-a through hole; 8-a first bushing; 81-flanging; 91-a second bushing; 92-check ring; 93-a third bushing; 10-protecting plates; 101-connecting plates; 102-shielding plate; 103-shock absorber.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. Based on the embodiments herein, a person of ordinary skill in the art would be able to obtain all other embodiments based on the disclosure herein, which are within the scope of the disclosure herein.
As shown in fig. 1 and 2, the embodiment of the present application provides a test device for testing a test piece 1 to be tested, where the test piece 1 to be tested includes a body 11 and a slider 12 slidably connected to the body 11. The test device includes: base 2, first fixing base 3, second fixing base 4 and damping mechanism 5. The base 2 has a bearing surface 21. The first fixing base 3 is fixed on the bearing surface 21, and the body 11 is fixedly connected with the first fixing base 3. The second fixing base 4 is fixed on the bearing surface 21. One end of the damping mechanism 5 is connected with the second fixing seat 4, the other end of the damping mechanism 5 is fixedly connected with the sliding body 12, and the damping mechanism 5 is configured to provide a load opposite to the moving direction of the sliding body 12 for the sliding body 12 in the process of moving the sliding body 12 relative to the body 11.
In use, the test device provided by the embodiment of the application is used for electrically connecting the test piece 1 to be tested with a power supply and a controller, and the controller controls the sliding body 12 of the test piece 1 to be tested to do linear reciprocating motion relative to the body 11. The testing device comprises a base 2, a first fixing seat 3, a second fixing seat 4 and a damping mechanism 5, wherein the first fixing seat 3 and the second fixing seat 4 are both fixed on a bearing surface 21 of the base 2, a body 11 is fixedly connected with the first fixing seat 3, and when one end of the damping mechanism 5 moves relative to the other end, one end provides acting force opposite to the moving direction of the other end for the other end. The other end of the damping mechanism 5 is fixedly connected to the slider 12, and therefore, the movement direction of the slider 12 is the same as the movement direction of the other end of the damping mechanism 5. In this way, the damping mechanism 5 can provide a load to the slider 12 opposite to the moving direction of the slider 12 during the movement of the slider 12 relative to the body 11. Because damping mechanism 5 is simpler than the structure of magnetic powder brake, and the testing arrangement of this application embodiment need not to set up gear and rack, consequently, manufacturing cost and cost of maintenance are lower, i.e. this application embodiment can reduce testing arrangement's cost.
As shown in fig. 1 and 3, in some embodiments of the present application, the test apparatus further includes: a third fixing seat 6 and a sliding block 7. The third fixing seat 6 is located between the first fixing seat 3 and the second fixing seat 4, the third fixing seat 6 comprises two limiting pieces 61 which are oppositely arranged and are fixed on the bearing surface 21, and the two limiting pieces 61 are provided with corresponding sliding grooves 611; the slider 7 includes a block 71 and two sliding members 72 disposed on two sides of the block 71, the block 71 is connected between the sliding body 12 and the damping mechanism 5, the two sliding members 72 respectively extend into two sliding grooves 611, and the extending direction of the sliding grooves 611 is the same as the sliding direction of the sliding body 12. In this way, the sliding body 12 can drive the block 71 to do reciprocating rectilinear motion in the sliding process relative to the body 11, so as to drive the two sliding pieces 72 to slide along the sliding grooves 611, and the sliding grooves 611 respectively arranged on the two limiting pieces 61 can provide vertical limiting for the block 71, so that the acting force direction of the sliding body 12, which is subjected to the damping mechanism 5, is the same as the moving direction of the sliding body 12, and further the sliding body 12 bears the load from the damping mechanism 5 and accords with the actual load direction, thereby improving the testing precision of the testing device.
Further, the limiting member 61 is an angle steel, and one side surface of the angle steel is fixed on the bearing surface 21 through a fastener.
As shown in fig. 3, in some embodiments of the present application, the slider body 12 is provided with a fastener 13 penetrating the end near the slider 7; the slider 7 further comprises two ear plates 73 which are located at one end of the block 71, close to the test piece 1 to be tested, and are oppositely arranged, the two ear plates 73 are located at two sides of the sliding body 12 respectively, through holes 731 corresponding to the positions are formed in the two ear plates 73, and two ends of the fastening piece 13 penetrate through the two through holes 731 respectively and extend into the sliding groove 611. Thus, the fastener 13 can fixedly connect the sliding body 12 with the sliding block 7 and the other end of the damping mechanism 5, when in assembly, the test piece 1 to be tested can be fixed on the first fixing seat 3, the damping mechanism 5 is fixed on the second fixing seat 4, one limiting piece 61 is fixed on the bearing surface 21, after the sliding block 7 is fixedly connected with the damping mechanism 5, and the sliding piece 72 on the sliding block 7 extends into the groove of the limiting piece 61, the fastener 13 sequentially passes through the sliding groove 611, the lug plate 73, the sliding body 12, the lug plate 73 and the sliding groove 611, so that the sliding body 12 is fixedly connected with the sliding block 7, and therefore, the connecting structure of the sliding body 12 and the sliding block 7 is simple, the manufacturing cost is low, and the assembly is convenient.
In addition, the two ends of the fastening piece 13 extend into the sliding grooves 611 of the two limiting pieces 61, so that the fastening piece 13 can also play a limiting role for the sliding of the sliding body 12, thereby better ensuring that the acting force direction of the sliding body 12, which is subjected to the damping mechanism 5, is the same as the moving direction of the sliding body 12, and further improving the testing precision of the testing device. Further, the fastener 13 may be a pin.
As shown in fig. 3, in some embodiments of the present application, the testing device further includes a first bushing 8 connected between the fastener 13 and the through hole 731, the first bushing 8 having a flange 81, the flange 81 being located between the ear plate 73 and the stopper 61. Thus, when one end of the damping mechanism 5 drives the sliding block 7 to slide, the flange 81 between the lug plate 73 and the limiting piece 61 contacts and slides with the limiting piece 61, the flange 81 can protect the lug plate 73, and the situation that the lug plate 73 is directly contacted with and slides with the limiting piece 61 to cause abrasion is avoided. In addition, since the first bush 8 is connected between the fastener 13 and the through hole 731, the first bush 8 can also function as a vertical limit for the slider 7 when the first bush 8 is clearance-fitted with the fastener 13 and the first bush 8 is clearance-fitted with the through hole 731. Further, the first bushing 8 may be made of a wear-resistant material, in particular wear-resistant copper.
As shown in fig. 3, in some embodiments of the present application, the testing device further includes a second bushing 91 sleeved on the outer surface of the fastener 13, the second bushing 91 is located between the fastener 13 and the chute 611, and the outer surface of the portion of the fastener 13 extending out of the chute 611 is provided with a collar 92. Like this, the second bush 91 can play vertical spacing's effect to fastener 13, and because second bush 91 and spout 611 contact, consequently, fastener 13 is in the in-process of sliding, and not with spout 611 direct contact, consequently, second bush 91 can play the guard action to fastener 13, avoids fastener 13 in the circumstances of wearing and tearing appear in the in-process of sliding along with slider 7, and then reduces the circumstances that causes cost of maintenance to increase because of changing fastener 13.
As shown in fig. 3, in some embodiments of the present application, the testing device further includes a third bushing 93 sleeved on the outer surface of the sliding member 72, where the third bushing 93 abuts against the sliding groove 611, and a retainer 92 is disposed on the outer surface of the portion of the sliding member 72 extending out of the sliding groove 611. In this way, the third bushing 93 may play a role in vertical limiting on the sliding element 72, and since the third bushing 93 contacts with the chute 611, the sliding element 72 does not directly contact with the chute 611 in the sliding process, so that the third bushing 93 may play a role in protecting the sliding element 72, and wear of the sliding element 72 in the sliding process is avoided. Further, the third bushing 93 may be made of a wear-resistant material, and may be specifically wear-resistant copper.
As shown in fig. 1, in some embodiments of the present application, the testing device further includes two protection plates 10, where a projection area of the protection plate 10 on the limiting member 61 covers an area where the chute 611 is located; the protection plate 10 includes a connection plate 101 and shielding plates 102, the two connection plates 101 are respectively fixed on the outer sides of the two limiting members 61, the two shielding plates 102 are located above the limiting members 61, and the two shielding plates 102 are inclined toward directions approaching each other. Thus, the two shielding plates 102 are of a semi-surrounding structure, so that an operator can be protected, and the situation that the operator is injured due to the fact that the body part of the operator is mistakenly inserted into the chute 611 is reduced.
As shown in fig. 4, in some embodiments of the present application, the damping mechanism 5 is a hydraulic damper. Specifically, the hydraulic damper is a hydraulic damper with adjustable bidirectional damping, both ends of the hydraulic damper are provided with fixed interfaces, one end of the hydraulic damper can be connected with the second fixing seat 4, the other end of the hydraulic damper can be fixedly connected with the sliding body 12, and the damping value of the hydraulic damper can be realized by rotating the hydraulic rod 51 and enabling the hydraulic rod to rotate positively or reversely. The hydraulic damper is convenient to install, maintain and replace, and does not need an external power supply.
As shown in fig. 1, in some embodiments of the present application, a damper 103 is fixed between the first fixing base 3 and the test piece 1 to be tested. Like this, flexonics between first fixing base 3 and the test piece 1 that awaits measuring, at the in-process that the slider 12 of test piece 1 relatively slides body 11, slider 12 produces the impact force to body 11, consequently, bumper shock absorber 103 can play certain cushioning effect for this impact force, thereby reduces the condition that this impact force directly acts on first fixing base 3 and consequently leads to first fixing base 3 or test piece 1 that awaits measuring to damage.
As shown in fig. 1, in some embodiments of the present application, the cross section of the base 2 is an i-shaped cross section, and the first fixing base 3 and the second fixing base 4 are respectively located at two ends of the bearing surface 21. Like this, when using the testing arrangement of this application embodiment to test piece 1, can place base 2 on ground or testboard, the bottom surface and the ground or the testboard contact of I shape cross-section, need not to fix base 2, can test to test piece 1. The first fixing seat 3 and the second fixing seat 4 are respectively located at two ends of the bearing surface 21, so that the first fixing seat 3 transmits the acting force applied by the body 11 of the test piece 1 to be tested to one end of the bearing surface 21, the second fixing seat 4 transmits the acting force applied by the damping mechanism 5 to the other end of the bearing surface 21, and the two acting forces act on the base 2 together, so that the base 2 bears bending moment, and the I-shaped section has the characteristic of being capable of bearing larger bending moment, and therefore, the damage condition of the base 2 when bearing the larger bending moment can be reduced, that is, the base 2 has higher strength.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application. Any modifications, equivalent substitutions, improvements, etc. that are within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (9)
1. A test device for performing a fatigue test on a test piece to be tested, the test piece to be tested including a body and a slider slidably connected to the body, the test device comprising:
a base having a bearing surface;
the first fixing seat is fixed on the bearing surface, and the body is fixedly connected with the first fixing seat;
the second fixing seat is fixed on the bearing surface;
the damping mechanism is configured to provide a load opposite to the moving direction of the sliding body for the sliding body in the process of moving the sliding body relative to the body;
the third fixing seat is positioned between the first fixing seat and the second fixing seat, and comprises two limiting pieces which are oppositely arranged and are fixed on the bearing surface, and sliding grooves with corresponding positions are formed in the two limiting pieces;
the sliding block comprises a block body and two sliding parts arranged on two sides of the block body, the block body is connected between the sliding body and the damping mechanism, the two sliding parts respectively extend into the two sliding grooves, and the extending direction of the sliding grooves is the same as the sliding direction of the sliding body.
2. The test device of claim 1, wherein the slider body is threaded with a fastener at an end thereof adjacent to the slider;
the sliding block is characterized by further comprising two lug plates which are positioned at one end of the block body, close to the test piece to be tested, and are oppositely arranged, wherein the two lug plates are respectively positioned at two sides of the sliding body, through holes with corresponding positions are respectively formed in the two lug plates, and two ends of the fastening piece respectively penetrate through the two through holes and extend into the sliding groove.
3. The test device of claim 2, further comprising a first bushing connected between the fastener and the through hole, the first bushing having a flange located between the ear plate and the stop.
4. The test device of claim 2, further comprising a second bushing sleeved on an outer surface of the fastener, the second bushing being located between the fastener and the chute, the fastener extending out of the chute and an outer surface of the extending portion being provided with a retainer ring.
5. The testing device of claim 1, further comprising a third bushing sleeved on the outer surface of the sliding member, wherein the third bushing abuts against the sliding groove, and a retainer ring is arranged on the outer surface of the portion, extending out of the sliding groove, of the sliding member.
6. The test device of claim 1, further comprising two guard plates, wherein a projection area of the guard plates on the limiting member covers an area where the chute is located;
the protection plate comprises a connection plate and shielding plates, wherein two connection plates are respectively fixed on the outer sides of two limiting parts, two shielding plates are located above the limiting parts, and two shielding plates incline towards the directions close to each other.
7. The test device of claim 1, wherein the damping mechanism is a hydraulic damper.
8. The test device of claim 1, wherein a shock absorber is fixed between the first fixing base and the test piece to be tested.
9. The testing device of claim 1, wherein the cross section of the base is an i-shaped cross section, and the first fixing base and the second fixing base are respectively located at two ends of the bearing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493879.4A CN114414241B (en) | 2021-12-08 | 2021-12-08 | Test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493879.4A CN114414241B (en) | 2021-12-08 | 2021-12-08 | Test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114414241A CN114414241A (en) | 2022-04-29 |
| CN114414241B true CN114414241B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111493879.4A Active CN114414241B (en) | 2021-12-08 | 2021-12-08 | Test device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738021A (en) * | 2016-02-04 | 2016-07-06 | 中国航天空气动力技术研究院 | Linear steering engine loading device |
| CN107195236A (en) * | 2016-03-14 | 2017-09-22 | 北京自动化控制设备研究所 | A kind of constant linear load simulating device |
| CN110595807A (en) * | 2019-07-30 | 2019-12-20 | 天利航空科技深圳有限公司 | Steering engine testing device and steering engine testing method |
| CN110907157A (en) * | 2019-12-03 | 2020-03-24 | 武汉宏海兴民科技有限公司 | Multifunctional device for testing performance index of steering engine |
| CN112362372A (en) * | 2020-11-24 | 2021-02-12 | 中国航天空气动力技术研究院 | High-power linear steering engine loading device |
| CN217304732U (en) * | 2021-12-08 | 2022-08-26 | 北京中航智科技有限公司 | Testing device |
-
2021
- 2021-12-08 CN CN202111493879.4A patent/CN114414241B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738021A (en) * | 2016-02-04 | 2016-07-06 | 中国航天空气动力技术研究院 | Linear steering engine loading device |
| CN107195236A (en) * | 2016-03-14 | 2017-09-22 | 北京自动化控制设备研究所 | A kind of constant linear load simulating device |
| CN110595807A (en) * | 2019-07-30 | 2019-12-20 | 天利航空科技深圳有限公司 | Steering engine testing device and steering engine testing method |
| CN110907157A (en) * | 2019-12-03 | 2020-03-24 | 武汉宏海兴民科技有限公司 | Multifunctional device for testing performance index of steering engine |
| CN112362372A (en) * | 2020-11-24 | 2021-02-12 | 中国航天空气动力技术研究院 | High-power linear steering engine loading device |
| CN217304732U (en) * | 2021-12-08 | 2022-08-26 | 北京中航智科技有限公司 | Testing device |
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| Publication number | Publication date |
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| CN114414241A (en) | 2022-04-29 |
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