CN213714740U - High-thrust linear steering engine loading device - Google Patents
High-thrust linear steering engine loading device Download PDFInfo
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- CN213714740U CN213714740U CN202022749229.9U CN202022749229U CN213714740U CN 213714740 U CN213714740 U CN 213714740U CN 202022749229 U CN202022749229 U CN 202022749229U CN 213714740 U CN213714740 U CN 213714740U
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- connecting rod
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Abstract
The utility model provides a high thrust straight line steering wheel loading device, include: the upper bottom plate, the middle bottom plate and the lower bottom plate are fixed in parallel at intervals through screw rod brackets; the two spring sleeves are arranged between the middle bottom plate and the lower bottom plate, and two springs are respectively arranged in the two spring sleeves; the connecting rod penetrates through the unthreaded hole in the middle of the middle bottom plate and the lower bottom plate, and the middle of the connecting rod is respectively connected with the two springs through spring stress pieces; the upper steering engine joint is arranged in the middle of the upper bottom plate, and one end of the steering engine is connected to the upper steering engine joint; the other end of the steering engine is connected to the lower steering engine joint; and the force measuring sensor is connected between the lower steering engine joint and one end of the connecting rod. The compression spring is used for loading the steering engine, so that the thrust of the steering engine can be quickly responded and converted, and the steering engine is loaded. The spring stress piece is placed in the middle of the compression spring, so that reciprocating bidirectional loading of the linear steering engine can be realized, and the requirements on the accuracy, the stability and the high-frequency response of the steering engine are met.
Description
Technical Field
The utility model belongs to the technical field of the aviation steering wheel, concretely relates to be used for testing high thrust straight line steering wheel loading device.
Background
When the high-thrust linear steering engine is loaded, a hydraulic loading device, a heavy loading platform and other loading measures are generally used, the device is generally large in inertia and complex, the defects of insufficient loading force, oil leakage and the like easily occur, and the loading test of the characteristics of the steering engine such as frequency response, loop return and the like is not met.
At present, no device is available for providing loading index tests such as accurate loading force, frequency response and loop when a high-thrust linear steering engine is actuated quickly, and the device is good in universality and capable of loading different steering engines.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned technical problem, provide a high-power sharp steering wheel loading device, can realize high speed, high frequency response, high thrust, two-way loading, simple structure's device, and the real-time thrust monitoring when can loading now.
The utility model provides a high thrust straight line steering wheel loading device, include:
the upper bottom plate, the middle bottom plate and the lower bottom plate are fixed in parallel at intervals through screw rod brackets;
the two spring sleeves are arranged between the middle bottom plate and the lower bottom plate, and two springs are respectively arranged in the two spring sleeves;
the connecting rod penetrates through the unthreaded hole in the middle of the middle bottom plate and the lower bottom plate, and the middle of the connecting rod is respectively connected with the two springs through spring stress pieces;
the upper steering engine joint is arranged in the middle of the upper bottom plate, and one end of the steering engine is connected to the upper steering engine joint;
the other end of the steering engine is connected to the lower steering engine joint;
and the force measuring sensor is connected between the lower steering engine joint and one end of the connecting rod.
Further, the spring sleeve is hollow, a strip-shaped groove is formed in the middle of one side wall, and the spring stress piece penetrates through the strip-shaped groove to be connected with the spring.
Furthermore, the middle bottom plate is provided with two non-full-circle sinking grooves, the lower bottom plate is provided with two full-circle sinking grooves, two ends of the spring sleeve are respectively installed in the non-full-circle sinking grooves and the full-circle sinking grooves, and the bottom plate and the spring sleeve are locked through the matching of the screw rod support and the nut.
Furthermore, both ends of the steering engine are provided with ball rod bearings which are respectively connected to the upper steering engine joint and the lower steering engine joint through pin shafts.
Further, linear bearings are respectively arranged in the unthreaded holes in the middles of the middle base plate and the lower base plate and used for supporting the connecting rods.
Furthermore, a plane is arranged on the connecting rod.
Further, the spring is a compression spring, and the compression spring is customized according to the output thrust of the steering engine.
Further, the screw rod support is a threaded long rod, threads are arranged at two ends of the screw rod support, and a shaft shoulder is arranged in the middle of the screw rod support and used for fixing the bottom plate.
Furthermore, the screw rod support is four, and the four corners of the bottom plate respectively penetrate through the bottom plate through unthreaded holes and are locked with the nuts to fix the bottom plate.
Furthermore, the spring stress piece is of a flat plate structure, a threaded hole is formed in the middle of the spring stress piece, the spring stress piece and the middle part of the connecting rod are connected to the connecting rod in a threaded fit mode, and the spring stress piece compresses the spring along with the connecting rod in a reciprocating linear motion mode when the linear steering engine actuates.
The utility model has the advantages that:
the utility model discloses utilize compression spring to implement the loading to the steering wheel, but have the quick response conversion steering wheel thrust, implement the loading to the steering wheel. The parallel spring structure is adopted, the large thrust loading can be realized, the middle part of the parallel spring structure is connected with the force measuring sensor, and the thrust during the loading can be monitored in real time. The spring stress piece is placed in the middle of the compression spring, reciprocating bidirectional loading of the linear steering engine can be achieved, and the testing of the accuracy, stability and high frequency response of the steering engine can be met.
In addition, aiming at linear steering engines of different models and specifications, the loading test can be implemented on the steering engine only by replacing the steering engine connector and adjusting the fixed position of the upper bottom plate.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in greater detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 is an overall structure diagram of a linear steering engine loading device according to an embodiment of the present invention.
Fig. 2 is a diagram of a bottom plate according to an embodiment of the present invention.
Fig. 3 is a diagram of a bottom plate according to an embodiment of the present invention.
Fig. 4 is a diagram of a connecting rod according to an embodiment of the present invention.
Fig. 5 is a diagram of a spring sleeve component according to an embodiment of the present invention.
Fig. 6 is a diagram of a spring-loaded pressing plate according to an embodiment of the present invention.
Fig. 7 is a part diagram of a lower steering engine joint according to an embodiment of the present invention.
Fig. 8 is a part diagram of an upper steering engine joint according to an embodiment of the present invention.
Reference numerals:
1-screw rod support, 2-upper bottom plate, 3-upper steering engine joint, 4-pin, 5-nut, 6-steering engine, 7-pin, 8-lower steering engine joint, 9-force sensor, 10-middle bottom plate, 11-linear bearing, 12-spring, 13-spring stress piece, 14-spring sleeve, 15-lower bottom plate, 16-countersunk screw, 17-connecting rod, 101-non-circular sunken groove, 102-circular sunken groove, 111-thread, 112-plane and 113-middle part.
Detailed Description
Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The utility model discloses a high thrust straight line steering wheel loading device relates to straight line steering wheel loading device, can realize the straight line steering wheel loading to ten thousand cattle to thirty hundred thousand cattle. The device can realize the bidirectional loading of the high thrust of the linear steering engine and can realize the real-time monitoring of the loading force in the loading process. The steering wheel compresses two springs respectively when actuating, produces the concertina power that is directly proportional with spring compression range through the spring compression, and the device has simple structure, the commonality is high, inertia is little, frictional force is little, loading thrust is big, loading frequency is high, advantage with low costs.
The utility model provides a high thrust straight line steering wheel loading device, include:
the upper bottom plate, the middle bottom plate and the lower bottom plate are fixed in parallel at intervals through screw rod brackets;
the two spring sleeves are arranged between the middle bottom plate and the lower bottom plate, and two springs are respectively arranged in the two spring sleeves;
the connecting rod penetrates through the unthreaded hole in the middle of the middle bottom plate and the lower bottom plate, and the middle of the connecting rod is respectively connected with the two springs through spring stress pieces;
the upper steering engine joint is arranged in the middle of the upper bottom plate, and one end of the steering engine is connected to the upper steering engine joint;
the other end of the steering engine is connected to the lower steering engine joint;
and the force measuring sensor is connected between the lower steering engine joint and one end of the connecting rod.
Further, the spring sleeve is hollow, a strip-shaped groove is formed in the middle of one side wall, and the spring stress piece penetrates through the strip-shaped groove to be connected with the spring.
Preferably, the upper bottom plate is a flat plate and has a supporting function, the screw rod bracket penetrates through the upper bottom plate through the unthreaded hole, and the screw rod bracket is fixed on two sides of the upper bottom plate through nuts; the upper steering engine connector penetrates through the middle of the upper bottom plate, one end of the upper steering engine connector is connected with the steering engine through a pin shaft, and the other end of the upper steering engine connector is fixed through a nut.
Preferably, the screw rod support is a threaded long rod, both sides of the screw rod support are provided with threads and matched with the nut, the middle of the screw rod support is provided with a shaft shoulder for fixing the bottom plate, and the four screw rod supports penetrate through the bottom plate through unthreaded holes and are locked with the nut to fix the bottom plate.
Preferably, the other end of the steering engine is connected with the load cell through threads.
Preferably, the middle bottom plate is provided with four unthreaded holes, the screw rod support penetrates through the unthreaded holes to be matched and screwed with the nuts for fixing, the middle of the middle bottom plate is provided with a circular flange linear bearing, and the circular flange linear bearing is fixed with the middle bottom plate by using the hexagon socket countersunk head screw. Two non-full-circle sunk grooves are formed in two sides of the middle unthreaded hole, the spring sleeve penetrates into the middle unthreaded hole, and the non-full-circle sunk grooves can prevent the spring sleeve from rotating when the steering engine actuates.
Preferably, the spring sleeve is a hollow structure, and a strip-shaped groove is cut in the middle of the spring sleeve and is matched with the spring force-bearing piece for use. Two ends of the spring sleeve are matched with the mounting grooves of the middle bottom plate and the lower bottom plate, and the bottom plate and the spring sleeve are locked through the matching of the screw rod support and the nut.
Preferably, a compression spring is arranged in the middle of the spring sleeve, and the required compression spring can be customized according to the output thrust of the steering engine.
Preferably, the spring force-bearing part is a flat plate, the middle of the spring force-bearing part is provided with a threaded hole, the spring force-bearing part is fixed on the connecting rod by a nut matched with the middle part of the connecting rod through threads, and the spring is compressed along with the connecting rod in a reciprocating linear motion when the linear steering engine acts.
Preferably, the middle part of the connecting rod is connected with the spring stressed part through threads, two sides of the connecting rod are light holes and penetrate through the linear bearing arranged on the bottom plate, and one end of the connecting rod is connected with the force measuring sensor through threads.
To facilitate understanding of the solution and effects of the embodiments of the present invention, a specific application example is given below. It will be understood by those skilled in the art that this example is merely for the purpose of facilitating understanding of the invention, and that any specific details thereof are not intended to limit the invention in any way.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the screw rod bracket 1 of the utility model is provided with a shaft shoulder in the middle and threaded long rods at two sides, as shown in figure 4. The four screws respectively penetrate through the upper base plate 2, the middle base plate 10 and the lower base plate 15 through holes, the upper base plate 2 is fixed through the two nuts 5, the middle base plate 10 is fixed through a shaft shoulder in the middle of the screw and the nuts 5, the lower base plate 15 is fixed through the spring sleeve 14 and the nuts 5, and therefore the spring sleeve 14 can be completely fixed.
The upper steering engine joint 3 penetrates through a light hole in the middle of the upper base plate 2 and is fixed with the nut 5, can rotate by a certain angle to be matched with an upper lug of the steering engine 6, and is fixed on the upper base plate 2 together with the nut 5. The lower steering engine joint 8 is connected with the lower lug of the steering engine through a pin shaft 7, and the other side of the lower steering engine joint is connected with a force measuring sensor 9 through threads.
A linear bearing 11 with a flange penetrates through the unthreaded holes of the middle steps of the middle base plate 10 and the lower base plate 15 and is fixed by an inner hexagonal countersunk head screw 16. The middle bottom plate 10 has non-full circle sinking grooves 101 at two sides of the middle unthreaded hole, as shown in fig. 2, one end of two spring sleeves 14 is matched with the middle unthreaded hole, and the spring sleeves 14 are prevented from rotating and interfering with a spring stress piece when the steering engine 6 is actuated. The middle part of the lower bottom plate 15 and the middle bottom plate 10 are provided with circular flange linear bearings 11 at the same middle position and are fixed by hexagon socket countersunk head screws 16, as shown in fig. 3, two sides of the middle hole and the middle bottom plate 10 are provided with two circular sunken grooves 102 at the same position, the other end of the sleeve 14 is sunken into the circular sunken grooves, the two spring sleeves 14 are fixed between the middle bottom plate 10 and the lower bottom plate 15 by matching with the screw rod support 1, and the sleeve is shaped as shown in fig. 5.
The middle of the spring force-bearing part 13 is connected with the connecting rod 17 through screw threads, the spring force-bearing part is fixed on two sides through nuts 5, and two ends of the spring force-bearing part 13 are circular force-bearing areas, as shown in fig. 6. The two circular stress parts are placed between the two compression springs 12, and the steering engine 6 can be uniformly stressed and can be loaded in a reciprocating stress manner when actuated.
One end of the connecting rod 17 is connected with the force measuring sensor 9 through a thread 111, and the force measuring sensor 9 is externally connected with a thrust monitoring device to monitor the magnitude of the thrust during loading in real time. As shown in fig. 4, the middle portion 113 is fixed with the spring force-receiving member 13 and the nut 5 by screw threads, and both sides of the middle portion are respectively inserted into the circular flange linear bearings 11 at the middle portions of the middle base plate 10 and the lower base plate 15, so that the middle portion and the lower base plate can realize low-friction reciprocating linear motion, and a plane 112 is milled at one side of the connecting rod 17, thereby facilitating installation.
When linear steering engines of different models and specifications are loaded, only the lower steering engine joint 3 and the upper steering engine joint 8 need to be replaced, the spatial position of the upper base plate 2 on the screw rod support 1 is adjusted, and the screw rod support is fixed by the nut 5, so that the device has the characteristics of high universality, simplicity in replacement, high reliability and the like.
It will be understood by those skilled in the art that the foregoing description of the embodiments of the invention is for the purpose of illustrating the beneficial effects of the embodiments of the invention only and is not intended to limit the embodiments of the invention to any of the examples given.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The utility model provides a high thrust straight line steering wheel loading device which characterized in that includes:
the upper bottom plate, the middle bottom plate and the lower bottom plate are fixed in parallel at intervals through screw rod brackets;
the two spring sleeves are arranged between the middle bottom plate and the lower bottom plate, and two springs are respectively arranged in the two spring sleeves;
the connecting rod penetrates through the unthreaded hole in the middle of the middle bottom plate and the lower bottom plate, and the middle of the connecting rod is respectively connected with the two springs through spring stress pieces;
the upper steering engine joint is arranged in the middle of the upper bottom plate, and one end of the steering engine is connected to the upper steering engine joint;
the other end of the steering engine is connected to the lower steering engine joint;
and the force measuring sensor is connected between the lower steering engine joint and one end of the connecting rod.
2. The high-thrust linear steering engine loading device according to claim 1, wherein the spring sleeve is hollow, a strip-shaped groove is formed in the middle of one side wall, and the spring stress piece penetrates through the strip-shaped groove to be connected with the spring.
3. The high-thrust linear steering engine loading device according to claim 1, wherein the middle bottom plate is provided with two non-full-circle sinking grooves, the lower bottom plate is provided with two full-circle sinking grooves, two ends of the spring sleeve are respectively installed in the non-full-circle sinking grooves and the full-circle sinking grooves, and the bottom plate and the spring sleeve are locked through the matching of the screw rod support and the nut.
4. The high-thrust linear steering engine loading device according to claim 1, wherein ball rod bearings are arranged at two ends of the steering engine and are respectively connected to the upper steering engine joint and the lower steering engine joint through pin shafts.
5. The high-thrust linear steering engine loading device according to claim 1, wherein linear bearings are respectively arranged in the unthreaded holes in the middles of the middle base plate and the lower base plate and used for supporting the connecting rod.
6. The high-thrust linear steering engine loading device according to claim 1, wherein a plane is arranged on the connecting rod.
7. The high-thrust linear steering engine loading device according to claim 1, wherein the spring is a compression spring, and the compression spring is customized according to the output thrust of the steering engine.
8. The high-thrust linear steering engine loading device according to claim 1, wherein the screw rod support is a long rod with threads, threads are arranged at two ends of the long rod, and a shaft shoulder is arranged in the middle of the long rod and used for fixing the bottom plate.
9. The high-thrust linear steering engine loading device according to claim 8, wherein the number of the screw rod supports is four, and the screw rod supports penetrate through the bottom plate through unthreaded holes at four corners of the bottom plate respectively and are locked with the nuts to fix the bottom plate.
10. The high-thrust linear steering engine loading device according to claim 1, wherein the spring stressed part is of a flat plate structure, a threaded hole is formed in the middle of the spring stressed part, the spring stressed part is connected to the connecting rod in a threaded fit mode with the middle of the connecting rod, and the spring is compressed by reciprocating linear motion along with the connecting rod when the linear steering engine is actuated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022749229.9U CN213714740U (en) | 2020-11-24 | 2020-11-24 | High-thrust linear steering engine loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022749229.9U CN213714740U (en) | 2020-11-24 | 2020-11-24 | High-thrust linear steering engine loading device |
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| CN213714740U true CN213714740U (en) | 2021-07-16 |
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| CN202022749229.9U Active CN213714740U (en) | 2020-11-24 | 2020-11-24 | High-thrust linear steering engine loading device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113984426A (en) * | 2021-11-18 | 2022-01-28 | 山西汾西重工有限责任公司 | Steering engine elastic load |
-
2020
- 2020-11-24 CN CN202022749229.9U patent/CN213714740U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113984426A (en) * | 2021-11-18 | 2022-01-28 | 山西汾西重工有限责任公司 | Steering engine elastic load |
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