CN111188699A - Universal high-precision zero setting device for electric thrust vector servo mechanism - Google Patents
Universal high-precision zero setting device for electric thrust vector servo mechanism Download PDFInfo
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- CN111188699A CN111188699A CN201811357963.1A CN201811357963A CN111188699A CN 111188699 A CN111188699 A CN 111188699A CN 201811357963 A CN201811357963 A CN 201811357963A CN 111188699 A CN111188699 A CN 111188699A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/80—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by thrust or thrust vector control
- F02K9/805—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by thrust or thrust vector control servo-mechanisms or control devices therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/96—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by specially adapted arrangements for testing or measuring
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Abstract
The invention belongs to the technical field of measuring devices, and particularly relates to a universal high-precision zero setting device for an electric thrust vector servo mechanism. The device comprises a bottom plate, wherein a pin hole is formed in the bottom plate, a slider clamping groove and a slider guide groove are formed in the bottom plate, a slider is arranged in the slider clamping groove, a guide post of the slider is arranged in the slider guide groove, the slider is also provided with the pin hole, the pin hole at one end of the bottom plate is provided with a first pin shaft, the pin hole on the slider is provided with a second pin shaft, a servo mechanism is connected with the pin hole on the bottom plate and the pin hole on the slider through the two pin shafts, the zero position length of the servo mechanism is determined, and the zero position precision of the servo mechanism is ensured.
Description
Technical Field
The invention belongs to the technical field of measuring devices, and particularly relates to a universal high-precision zero setting device for an electric thrust vector servo mechanism.
Background
The thrust vector servo mechanism is an actuating mechanism commonly adopted by hypersonic cruise missiles, ballistic cruise missiles, near space/aerospace shuttle vehicles and high-thrust carrier rockets, and changes the direction of a boosting thrust vector by controlling the swing angle of a booster or an engine tail nozzle, so that the control of the aircraft is realized. The oscillation of the nozzle is achieved by the linear actuation of the servo mechanism hinged thereto. With the rapid development of the servo theory and the control technology, the electric system is widely concerned and competitively develops deep research and application in domestic and foreign servo system industries due to the advantages of easy maintenance, low cost, small size, light weight, low static power consumption and the like, and the technical characteristics of performance, reliability and the like of the hydraulic system. It is a necessary trend to replace hydraulic actuators in situ with highly reliable electric servos.
In the installation process of the electric thrust vector servo mechanism on the spray pipe, the size of the pre-deflection angle of the spray pipe and the machining error assembly error of the spray pipe, which are caused by the difference of the cold and hot states of the spray pipe, can affect the zero length of the thrust vector servo mechanism, and the influencing factors can be determined only after the engine is in test run. If the design and the processing of the zero setting device of the thrust vector servo mechanism are carried out after the engine is tested, the subsequent development progress is influenced inevitably due to the machining period.
The servo zero setting device developed in the past can only be suitable for a certain determined zero length, and does not have the capacity and the requirement of zero length adjustment. Meanwhile, the difference of the models of the spray pipes can cause the difference of the zero length of the thrust vector servo mechanism and the diameter of the pin shaft, and a set of zero setting device is redesigned every time a new type of servo mechanism is researched, so that the universality is poor. Therefore, it is necessary to design a high-precision zero setting device for an electric thrust vector servo mechanism, which improves the universality and adapts to the fast zero setting of thrust vector servo mechanisms of different models on the basis of meeting the requirement of high precision.
Disclosure of Invention
The application provides a general type high accuracy electric thrust vector servo zero setting device to prior art's defect.
In order to realize the purpose, the invention adopts the technical scheme that:
a universal high-precision zero setting device for an electric thrust vector servo mechanism comprises a bottom plate, wherein a pin hole is formed in the bottom plate, a slide block clamping groove and a slide block guide groove are formed in the bottom plate, a slide block is installed in the slide block clamping groove, a guide post of the slide block is installed in the slide block guide groove, a pin hole is also formed in the slide block, a first pin shaft is arranged in the pin hole at one end of the bottom plate, a second pin shaft is arranged in the pin hole in the slide block, the servo mechanism is connected with the pin hole in the bottom plate and the pin hole in the slide block through the two pin shafts, the zero position length of the servo;
the slide block is placed on the bottom plate and is placed in the slide block clamping groove, the slide block guide groove guides the movement of the slide block, and the zero position length required by the index is determined by measuring the distance between the slide block caliper surface and three high-precision measuring surfaces, namely a zero position caliper surface, a 200mm caliper surface and a 400mm caliper surface, on the bottom plate. After the position of the sliding block is determined according to the zero position length, the sliding block is screwed together through the sliding block fixing groove 7 and the sliding block fixing threaded hole by using a screw, and the sliding block is fixed at the zero position length.
The utility model provides a general type high accuracy electric thrust vector servo zero-setting device, the slip slider is through the high accuracy caliber chi face that vernier caliper measurement bottom plate and slider were reserved, and the high accuracy caliber chi face includes zero position caliber chi face, 200mm caliber chi face, 400mm caliber chi face and slider caliber chi face.
The utility model provides a distance is installed servo mechanism on bottom plate and slider through the round pin axle between two pinhole of regulation servo mechanism with the relative position of fixed slider and bottom plate through the set screw on the slider fixed screw hole, through the slider fixed slot to general type high accuracy electric thrust vector servo mechanism zero set device.
The zero setting device of the universal high-precision electric thrust vector servo mechanism is characterized in that the bottom plate is provided with two pairs of high-precision caliper blocks which are 200mm apart and 0-position high-precision caliper surface, the bottom plate is provided with three high-precision caliper surfaces in total, and a pin hole is formed in the zero scale position of the bottom plate 2.
A pin shaft connects a pin hole at one end of the servo mechanism with a pin hole at a zero scale mark of a bottom plate.
A universal high-precision electric thrust vector servo mechanism zero setting device is characterized in that a high-precision caliper block on a bottom plate can enlarge the range of the zero setting device, the high-precision caliper block is designed, and when the zero position length is less than 200mm, the distance between the high-precision caliper surface at the position 0 and the high-precision caliper surface of a sliding block is directly measured, namely the zero position length; when the height is larger than 200mm, the distance between the high-precision caliper surface at the position of 200mm and the sliding block can be measured, and the zero position length is obtained by adding 200 mm; when the height is larger than 400mm, the distance between the high-precision caliper surface at the position of 400mm and the sliding block can be measured, and the zero position length is obtained by adding 400 mm.
A universal high-precision zero setting device for an electric thrust vector servo mechanism is suitable for servo mechanisms with pin holes of different diameters, and a complicated bottom plate and a sliding block can be used for replacing a pin shaft.
A universal high-precision zero setting device for an electric thrust vector servo mechanism is characterized in that after a slide block accurately adjusts zero length required by indexes, the length of the servo mechanism is adjusted to a pin shaft, front and rear support lugs of the servo mechanism can be respectively connected with pin holes of a bottom plate and the slide block, and therefore zero setting of the servo mechanism can be completed.
A universal high-precision zero setting device for an electric thrust vector servo mechanism is characterized in that pin holes in a bottom plate and a sliding block are small and smaller than lug pin holes of thrust vector servo mechanisms of various power levels, and a pin shaft is designed into a stepped pin shaft.
The invention has the beneficial effects that:
1. the zero setting device of the high-precision thrust vector servo mechanism is simple in use mode, low in manufacturing cost and short in machining time, and avoids high cost and long period caused by newly designing a zero setting device every time a thrust vector servo mechanism is newly researched.
2. The zero setting device of the high-precision thrust vector servo mechanism has high precision. The distance between the measuring surfaces and the surface processing precision are high, the zero position length determined by the device can be ensured to have high precision, and the index requirement is met.
3. The zero setting device of the high-precision thrust vector servo mechanism has strong universality. The zero length adjustment of the servo mechanism with the zero length of 0-600 mm can be realized, and the zero length of the servo mechanism with various power levels is basically covered. The servo mechanisms with different power grades generally have different diameters of pin holes of front and rear lug interfaces, and only the pin shaft needs to be replaced. Therefore, the device has strong universality for thrust vector servos of various power levels.
4. The zero setting device of the high-precision thrust vector servo mechanism has strong practicability. As mentioned above, due to the particularity of the servomechanism application, its null length can only be determined after the engine has been commissioned. If the design and the processing of the zero setting device of the thrust vector servo mechanism are carried out after the engine is tested, the subsequent development progress is influenced due to the machining period. Therefore, the high-precision thrust vector servo mechanism zero setting device is suitable for quick zero setting of a servo mechanism of which the zero position length cannot be determined in the early stage, and is high in practicability.
Drawings
FIG. 1 is an isometric view of the present high precision thrust vector servo zeroing apparatus;
FIG. 2 is a top view of the zero setting device of the high precision thrust vector servo;
in the figure, 1 is a zero position caliper surface, 2 is a bottom plate, 3 is a pin shaft I, 4 is a slider clamping groove, 5 is a slider guide groove, 6.200mm caliper surface, 7 is a slider fixing groove, 8.400mm caliper surface, 9 is a slider fixing threaded hole, 10 is a pin shaft II, 11 is a slider caliper surface, and 12 is a slider;
FIG. 3 is an isometric view of the zero setting device slide block of the present high precision thrust vector servo;
in the figure, 13, the guide post.
Detailed Description
The specific embodiment of the invention is as follows:
the utility model provides a high accuracy zero setting device of general type electric thrust vector servo mechanism includes a bottom plate 2, and it has the pinhole and is equipped with slider draw-in groove 4 and slider guide way 5 to open on the bottom plate 2, installs slider 12 in the slider draw-in groove 4, installs the guide post 13 of slider in the slider guide way 5, and it has the pinhole to open equally on this slider 12, and the pinhole of 2 one ends of bottom plate is furnished with round pin axle one 3, and the pinhole on the slider 12 is furnished with round pin axle two 10. The servo mechanism is connected with the pin holes on the bottom plate 2 and the pin holes on the sliding blocks 12 through the two pin shafts, the zero position length of the servo mechanism is determined, the zero position precision of the servo mechanism is ensured, and the complicated bottom plate 2 and the complicated sliding blocks 12 can be used by replacing the pin shafts in order to adapt to the servo mechanisms with the pin holes with different diameters.
The use method is that the sliding block 12 is slid, high-precision caliper surfaces reserved on the bottom plate 2 and the sliding block 12 are measured through a vernier caliper, and the high-precision caliper surfaces comprise a zero-position caliper surface 1, a 200mm caliper surface 6, a 400mm caliper surface 8 and a sliding block caliper surface 11.
The zero position length required by indexes is measured, the fixing screw on the sliding block fixing threaded hole 9 is screwed down, the relative position of the sliding block 12 and the bottom plate 2 is fixed through the sliding block fixing groove 7, the distance between the two pin holes of the servo mechanism is adjusted, the servo mechanism is installed on the bottom plate 2 and the sliding block 12 through the pin shaft, and the zero setting of the servo mechanism is completed after the installation is completed.
The high-precision zero setting device for the universal electric thrust vector servo mechanism comprises a base plate 2, a bottom plate 2 and a pin hole, wherein the base plate 2 is provided with two pairs of high-precision caliper blocks which are 200mm apart from each other, and a 0-position high-precision caliper surface, the base plate 2 is provided with three high-precision caliper surfaces in total, and the zero scale position of the base plate 2 is provided with the pin hole. The pin hole at one end of the servo mechanism can be connected with the pin hole at the zero scale mark of the bottom plate 2 through the pin shaft. The high-precision caliper block on the bottom plate 2 is mainly used for directly measuring the distance between the high-precision caliper surface at the position 0 and the high-precision caliper surface of the sliding block when the zero position length is less than 200mm, namely the zero position length, because the range of the common vernier caliper is 200mm, in order to adapt to the range of most vernier calipers, the range of a zero setting device can be expanded, and a measuring caliper is not required to be specially configured for the zero setting device; when the height is larger than 200mm, the distance between the high-precision caliper surface at the position of 200mm and the sliding block can be measured, and the zero position length is obtained by adding 200 mm; when the height is larger than 400mm, the distance between the high-precision caliper surface at the position of 400mm and the sliding block can be measured, and the zero position length is obtained by adding 400 mm. The device can measure the servo mechanism with the zero length of 0-600 mm by using a caliper with the range of 200 mm.
The high-precision zero setting device for the universal electric thrust vector servo mechanism comprises a base plate 2, a sliding block, a sliding guide groove 5, a sliding block 12, a high-precision caliper surface, a pin hole center and a fixing screw, wherein the sliding block can slide in the sliding guide groove 5 on the base plate 2, the high-precision caliper surface on the sliding block 12 is collinear with the pin hole center on the sliding block 12, the distance between the pin hole on the base plate 2 and the pin hole on the sliding block 12 is adjusted according to the zero position length of the servo mechanism required by indexes, and then the fixing screw is screwed down to.
The high-precision zero setting device for the universal electric thrust vector servo mechanism comprises a pin shaft, a sliding block 12, a front support lug and a rear support lug, wherein the pin shaft is used for adjusting the length of the servo mechanism to the pin shaft after the sliding block 12 accurately adjusts the zero position length required by indexes, and the front support lug and the rear support lug of the servo mechanism can be respectively connected with pin holes of a bottom plate 2 and the sliding block 12. Therefore, zero adjustment of the servo mechanism can be completed. In order to enable the high-precision zero setting device of the electric thrust vector servo mechanism to have universality, pin holes in the bottom plate 2 and the sliding block 12 are small and smaller than lug pin holes of the thrust vector servo mechanisms of various power levels, and pin shafts are designed into stepped pin shafts, so that the high-precision zero setting device can adapt to servo mechanisms of different power levels by replacing the pin shafts. Low cost and can be processed in advance.
As shown in attached figures 1, 2 and 3, the high-precision zero setting device for the universal electric thrust vector servo mechanism comprises a bottom plate 2 and a sliding block 12, wherein the sliding block is placed on the bottom plate and is placed in a sliding block clamping groove 4, the sliding block is guided by a sliding block guide groove 5, and the zero position length required by indexes is determined by measuring the distance between a sliding block caliper surface 11 and three high-precision measuring surfaces, namely a zero position caliper surface 1, a 200mm caliper surface 6 and a 400mm caliper surface 8, on the bottom plate. After the position of the slide block is determined according to the zero position length, the slide block 12 is fixed at the zero position length by screwing M3 multiplied by 25 screws together through the slide block fixing groove 7 and the slide block fixing threaded hole 9.
And then adjusting the length of the thrust vector servo mechanism needing to be calibrated to the first pin shaft 3 and the second pin shaft 10, and connecting the thrust vector servo mechanism with pin holes on the bottom plate and the sliding block.
And at this point, the zero adjustment of the thrust vector servo mechanism is completed.
Claims (9)
1. A universal high-precision zero setting device for an electric thrust vector servo mechanism comprises a bottom plate (2), wherein a pin hole is formed in the bottom plate (2) and provided with a slider clamping groove (4) and a slider guide groove (5), a slider (12) is installed in the slider clamping groove (4), a guide post (13) of the slider is installed in the slider guide groove (5), the slider (12) is also provided with a pin hole, the pin hole at one end of the bottom plate (2) is provided with a first pin shaft (3), the pin hole on the slider (12) is provided with a second pin shaft (10), the servo mechanism is connected with the pin hole on the bottom plate (2) and the pin hole on the slider (12) through the two pin shafts, the zero length of the servo mechanism is determined, and the zero precision of the servo mechanism is;
the method is characterized in that: the sliding block (12) is placed on the bottom plate and is placed in the sliding block clamping groove (4), the sliding block guide groove (5) guides the movement of the sliding block, and the zero position length required by the index is determined by measuring the distance between the sliding block caliper surface (11) and three high-precision measuring surfaces, namely a zero position caliper surface (1), a 200mm caliper surface (6) and a 400mm caliper surface (8), on the bottom plate. After the position of the sliding block is determined according to the zero position length, the sliding block 12 is fixed at the zero position length by screwing the sliding block fixing groove (7) and the sliding block fixing threaded hole (9) together through screws.
2. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: the slide block (12) measures the high-precision caliper surface reserved on the bottom plate (2) and the slide block (12) through the vernier caliper, and the high-precision caliper surface comprises a zero-position caliper surface (1), a 200mm caliper surface (6), a 400mm caliper surface (8) and a slide block caliper surface (11).
3. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: the fixing screw on the sliding block fixing threaded hole (9) fixes the relative position of the sliding block (12) and the bottom plate (2) through the sliding block fixing groove (7), and the distance between the two pin holes of the servo mechanism is adjusted to mount the servo mechanism on the bottom plate (2) and the sliding block (12) through a pin shaft.
4. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: the bottom plate (2) is provided with two pairs of high-precision caliper blocks which are separated by 200mm, in addition, 0-position high-precision caliper surfaces, the bottom plate (2) is provided with three high-precision caliper surfaces totally, and a pin hole is formed in the zero scale position of the bottom plate (2).
5. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: the pin shaft connects a pin hole at one end of the servo mechanism with a pin hole at the zero scale mark of the bottom plate (2).
6. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: the high-precision caliper block on the bottom plate (2) can enlarge the range of the zero setting device, and the high-precision caliper block is designed, when the zero position length is less than 200mm, the distance between the high-precision caliper surface at the position 0 and the high-precision caliper surface of the sliding block is directly measured, namely the zero position length; when the height is larger than 200mm, the distance between the high-precision caliper surface at the position of 200mm and the sliding block can be measured, and the zero position length is obtained by adding 200 mm; when the height is larger than 400mm, the distance between the high-precision caliper surface at the position of 400mm and the sliding block can be measured, and the zero position length is obtained by adding 400 mm.
7. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: in order to adapt to servo mechanisms with pin holes of different diameters, the complicated bottom plate (2) and the sliding block (12) can be used for replacing the pin shaft.
8. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: after the zero position length required by the index is accurately adjusted by the sliding block (12), the front and rear lugs of the servo mechanism can be respectively connected with the pin holes of the bottom plate (2) and the sliding block (12) by adjusting the length of the servo mechanism to the pin shaft, so that the zero position adjustment of the servo mechanism can be completed.
9. A universal high-precision electric thrust vector servo zero setting device as claimed in claim 1, wherein: the pin holes on the bottom plate (2) and the sliding block (12) are small and smaller than the lug pin holes of the thrust vector servo mechanisms at all power levels, and the pin shaft is designed into a stepped pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357963.1A CN111188699B (en) | 2018-11-15 | 2018-11-15 | Universal high-precision zero setting device for electric thrust vector servo mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811357963.1A CN111188699B (en) | 2018-11-15 | 2018-11-15 | Universal high-precision zero setting device for electric thrust vector servo mechanism |
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| CN111188699A true CN111188699A (en) | 2020-05-22 |
| CN111188699B CN111188699B (en) | 2021-05-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133410A (en) * | 1983-01-20 | 1984-07-31 | Kokusai Tekko Kk | Length measuring device |
| JPH05323059A (en) * | 1992-05-18 | 1993-12-07 | Onoda Cement Co Ltd | X-y table |
| CN106524884A (en) * | 2016-09-27 | 2017-03-22 | 北京精密机电控制设备研究所 | Zero adjustment device and zero adjustment method for servo mechanism |
| CN107283811A (en) * | 2017-07-24 | 2017-10-24 | 江苏大学 | A kind of pre-stretching device of soft robot material manufacture |
| CN207797915U (en) * | 2017-12-07 | 2018-08-31 | 上海航天设备制造总厂有限公司 | A kind of quick zero adjuster of servo mechanism |
-
2018
- 2018-11-15 CN CN201811357963.1A patent/CN111188699B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133410A (en) * | 1983-01-20 | 1984-07-31 | Kokusai Tekko Kk | Length measuring device |
| JPH05323059A (en) * | 1992-05-18 | 1993-12-07 | Onoda Cement Co Ltd | X-y table |
| CN106524884A (en) * | 2016-09-27 | 2017-03-22 | 北京精密机电控制设备研究所 | Zero adjustment device and zero adjustment method for servo mechanism |
| CN107283811A (en) * | 2017-07-24 | 2017-10-24 | 江苏大学 | A kind of pre-stretching device of soft robot material manufacture |
| CN207797915U (en) * | 2017-12-07 | 2018-08-31 | 上海航天设备制造总厂有限公司 | A kind of quick zero adjuster of servo mechanism |
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