An adjustment mechanism and adjustment system for launch vehicle after erection

Abstract

The present invention discloses an adjustment mechanism and an adjustment system for a carrier rocket after erection, comprising an adjustment mechanism, a driving device and a pressure measuring device. The adjustment mechanism is located on the launch platform, and the lower end of the adjustment mechanism is connected to the upper surface of the launch platform, and the upper end is connected to the lower end of the rocket foot and is used to cooperate with the rocket foot to adjust the verticality of the rocket. The driving device is located at one end of the adjustment mechanism close to the launch platform and connected to the adjustment mechanism, and the driving device is used to cooperate with the adjustment mechanism and transmit power to the adjustment mechanism to make the adjustment mechanism move up and down along the telescopic direction of the adjustment mechanism. The pressure measuring device is located at one end of the adjustment mechanism close to the rocket foot, and the pressure measuring device is used to measure the pressure between the rocket foot and the adjustment mechanism. Compared with the prior art, the adjustment mechanism of the present application has the advantages of easy operation and cost saving, and can improve the adjustment accuracy of the verticality of the rocket and the rocket carrying capacity.

Description

Technical Field

[0001] The invention relates to the field of rocket launching, and in particular to an adjustment mechanism and an adjustment system for a carrier rocket after erection. Background Art

[0002] Liquid rocket vertical adjustment is an important measure to adjust the initial attitude of the rocket and ensure the safety of the rocket's takeoff and flight accuracy. The shell of a liquid carrier rocket is very thin and cannot be vertically launched after filling in a horizontal state, so its vertical adjustment is performed after the rocket is erected on the launch platform. For example, the vertical adjustment can be divided into two types: vertical adjustment in the empty state before filling and vertical adjustment in the loaded state after filling.

[0003] In the existing leveling workflow of launch vehicles in my country, a set of level measuring instruments on the ground and a set of level measuring instruments on the tail end and instrument cabin of the rocket are generally used. This method can reliably complete the leveling requirements of the launcher and basically meet the high-precision requirements of verticality. However, there are three problems: first, the number of rocket / ball-ground equipment is large, and the implementation and operation process are complicated; second, the increase in equipment on the rocket leads to a reduction in the rocket's carrying capacity; third, the cost of the rocket has increased significantly, and the market competitiveness has declined. With the development of private aerospace technology, the market has put forward new requirements for the simplification of rocket launch processes and the low cost, maintenance-free, and rapid response of single rocket launches.

[0004] Therefore, there is an urgent need to provide an adjustment mechanism for the launch vehicle after erection, which has the advantages of easy operation and cost savings, and can improve the adjustment accuracy and rocket carrying capacity. Summary of the invention

[0005] The purpose of the present invention is to provide an adjustment mechanism for a launch vehicle after erection, which has the advantages of easy operation and cost saving, and can improve the adjustment accuracy and the rocket carrying capacity.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustment mechanism for a carrier rocket after erection, comprising an adjustment mechanism, a driving device and a pressure measuring device, wherein the adjustment mechanism is located on the launch platform, and the lower end of the adjustment mechanism is connected to the upper surface of the launch platform, and the upper end is connected to the lower end of the rocket foot and is used to cooperate with the rocket foot to adjust the verticality of the rocket; the driving device is located at one end of the adjustment mechanism close to the launch platform and connected to the adjustment mechanism, the driving device is used to cooperate with the adjustment mechanism and transmit power to the adjustment mechanism to make the adjustment mechanism move up and down along the extension and retraction direction of the adjustment mechanism; the pressure measuring device is located at one end of the adjustment mechanism close to the rocket foot, and the pressure measuring device is used to measure the pressure between the rocket foot and the adjustment mechanism.

[0007] Further, the adjustment mechanism includes a lead screw, a head flange, an adjuster, a telescopic cylinder and an outer cylinder, wherein the head flange is located at the upper end of the lead screw, and the lead screw is used to drive the head flange to move up and down under the drive of the driving device; the outer surface of the lead screw is provided with a first external thread, and the adjuster is a structure with a through hole and is sleeved on the outer side of the lead screw, wherein the adjuster cooperates with the first external thread through the first internal thread on the inner wall surface of the through hole, and through the thread cooperation, the lead screw drives the adjuster to move up and down along the axial direction of the lead screw; the lower end of the telescopic cylinder abuts against the upper end of the adjuster, and the upper end of the telescopic cylinder is used to cooperate with the lower end of the head flange, and the telescopic cylinder is driven up and down by the adjuster, so that the head flange moves up and down along the axial direction of the lead screw; the outer cylinder is sleeved on the outer side of the adjuster, and the lower end of the outer cylinder is connected to the upper surface of the housing of the driving device, the upper end of the outer cylinder is used to limit the limit position of the downward movement of the head flange, and the adjuster can move up and down relative to the outer cylinder.

[0008] Furthermore, the regulator is an adjusting nut, and the cross-section of the adjusting nut tangent to the axial direction of the screw is a convex shape, and the large end side of the convex shape is close to the driving device, and the small end side of the convex shape is close to the head flange.

[0009] Furthermore, the upper end of the screw is also provided with an anti-slip gasket and a locker for fixing the anti-slip gasket. The lower end of the locker penetrates the anti-slip gasket along the axial direction of the screw and is screwed into the screw. The end face of the upper end close to the anti-slip gasket is fitted with the upper surface of the anti-slip gasket.

[0010] Furthermore, the diameter of the cross section of the anti-dropping gasket is greater than the diameter of the cross section of the lead screw, and the locking device is a locking bolt.

[0011] Furthermore, the adjustment mechanism also includes a guide sleeve and a shield, wherein the guide sleeve and the shield are located at the upper end of the screw, and the guide sleeve is sleeved on the outside of the telescopic cylinder and provides guidance for the telescopic cylinder; the shield is sleeved on the outside of the outer cylinder, and the upper end is fixedly connected to the head flange along the circumferential extension surface of the head flange, and the lower end extends toward one side of the driving device so that the shield can move up and down with the head flange.

[0012] Furthermore, the guide sleeve is composed of a first cylinder and a second cylinder with the same inner through hole and different outer diameters, the outer diameter of the first cylinder is larger than the outer diameter of the second cylinder, and a limit platform is formed at the transition point from the first cylinder to the second cylinder, the surface of the limit platform is tightly attached to the end face of the upper end of the outer cylinder and the two are fixedly connected by bolts.

[0013] Furthermore, the lower end of the screw is also provided with a convex disc integrally formed with the screw, a locking sleeve and a fixed seat, wherein the diameter of the large end side of the convex disc is larger than the diameter of the screw, and the diameter of the small end side of the convex disc is smaller than the diameter of the screw, the small end face of the convex disc is tightly attached to the lower end face of the screw, and the large end of the convex disc is connected to an annular groove located on the fixed seat and matched with the convex disc; the locking sleeve is sleeved on the outer side of the small end of the convex disc, and the upper end face of the locking sleeve is abutted and connected with the lower end face of the screw and the limit table on the fixed seat to limit the locking sleeve from moving upward, wherein the lower end face of the screw and the limit table on the fixed seat are located in the same horizontal plane; the lower end face of the locking sleeve is connected with the upper end face of the large end of the convex disc to limit the upward movement of the screw.

[0014] Furthermore, the driving device also includes a hydraulic motor, a reducer, a motor adapter and a worm, the output end of the hydraulic motor is connected to the input end of the reducer, the output end of the reducer is connected to the input end of the motor adapter, the output end of the motor adapter is connected to the input end of the worm, and the output end of the worm is connected to the lead screw so that the lead screw completes longitudinal displacement movement; the pressure measuring device is a pressure sensor.

[0015] The present invention also provides an adjustment system, comprising a plurality of support plate adjustment mechanisms as described above for use after the launch vehicle is erected, and the plurality of adjustment mechanisms correspond one-to-one to the rocket feet, respectively.

[0016] Compared with the prior art, the beneficial effects of the present invention are: in the rocket verticality adjustment process of the present application, the pressure between the adjustment mechanism and the rocket foot is measured by a pressure measuring device, and according to the pressure value, the driving device cooperates with the adjustment mechanism and transmits power to the adjustment mechanism to make the adjustment mechanism move up and down along the extension and retraction direction of the adjustment mechanism, that is, the distance between the adjustment mechanism and the rocket foot is adjusted by the driving device to make the pressure between the adjustment mechanism and the rocket foot equal.

[0017] In addition, the support plate adjustment mechanism of the present application can make the rocket engine frame reference plane parallel to the initial plane of the adjustment mechanism (the plane formed by multiple adjustment mechanisms away from the launch platform end) by adjusting the adjustment mechanism multiple times.

[0018] In addition, the present application can adjust the adjustment mechanism multiple times without adding an on-rocket measuring device, so as to make the rocket engine frame reference plane parallel to the initial plane of the adjustment mechanism, so as to quickly achieve precise adjustment of the rocket verticality, laying a foundation for subsequent adjustment. The device has the advantages of easy operation and cost saving, and can improve the adjustment accuracy of the rocket verticality and the rocket carrying capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a cross-sectional view of the adjustment mechanism and the driving device of the present invention;

[0020] Figure 2 is a cross-sectional view of the driving device of the present invention;

[0021] Figure 3 It is a simplified structural diagram of the rocket, the support plate adjustment mechanism and the launch platform of the present invention;

[0022] Figure 4 It is a simplified structural diagram of the support plate adjustment mechanism of the present invention.

[0023] Description of reference numerals:

[0024] 1Adjustment mechanism 2Drive device

[0025] 3 pressure measuring device 4 screw

[0026] 5Head flange 6Adjuster

[0027] 7 telescopic cylinder 8 external cylinder

[0028] 9 anti-drop gasket 10 lock

[0029] 11 guide sleeve 12 protective cover

[0030] 13 convex disc 14 locking sleeve

[0031] 15 fixed seat 16 hydraulic motor

[0032] 17 reducer 18 motor adapter

[0033] 19 Worm 20 Rocket Engine Frame Reference Surface DETAILED DESCRIPTION

[0034] In order to make the objectives, technical solutions and advantages of the embodiments of the present invention more clearly understood, the spirit of the contents disclosed by the present invention will be clearly explained with the accompanying drawings and detailed descriptions below. After understanding the embodiments of the contents of the present invention, any technician in the relevant technical field can change and modify the techniques taught by the contents of the present invention without departing from the spirit and scope of the contents of the present invention.

[0035] The exemplary embodiments and descriptions of the present invention are used to explain the present invention, but are not intended to limit the present invention. In addition, elements / components with the same or similar reference numerals used in the drawings and embodiments are used to represent the same or similar parts.

[0036] The terms “first”, “second”, etc. used in this document do not particularly refer to an order or sequence, nor are they used to limit the present invention. They are only used to distinguish elements or operations described with the same technical terms.

[0037] The directional terms used in this document, such as up, down, left, right, front or back, etc., are only used to refer to the directions of the drawings. Therefore, the directional terms used are used to illustrate and not to limit the present invention.

[0038] The words “include,” “including,” “have,” “contain,” etc. used in this document are open-ended terms, meaning including but not limited to.

[0039] As used herein, "and / or" includes any or all combinations of the items described.

[0040] The terms "substantially" and "approximately" used herein are used to modify any quantity or error that may vary slightly, but these slight changes or errors do not change their essence. Generally speaking, the range of slight changes or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. Those skilled in the art should understand that the aforementioned values ​​can be adjusted according to actual needs and are not limited thereto.

[0041] Certain terms used to describe the present application are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art regarding the description of the present application.

[0042] An embodiment of the present invention provides an adjustment mechanism for a launch vehicle after erection. Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the adjustment mechanism includes an adjustment mechanism, a driving device and a pressure measuring device. Among them, the adjustment mechanism 1 is located on the launch platform, and the lower end of the adjustment mechanism 1 is connected to the upper surface of the launch platform, and the upper end is connected to the lower end of the rocket foot and is used to cooperate with the rocket foot to adjust the verticality of the rocket. The driving device 2 is located at one end of the adjustment mechanism 1 close to the launch platform and is connected to the adjustment mechanism 1. The driving device 2 is used to cooperate with the adjustment mechanism 1 and transmit power to the adjustment mechanism 1 to make the adjustment mechanism 1 move up and down along the telescopic direction of the adjustment mechanism 1. The pressure measuring device 3 is located at one end of the adjustment mechanism 1 close to the rocket foot, and the pressure measuring device 3 is used to measure the pressure between the rocket foot and the adjustment mechanism 1.

[0043] The support plate adjustment mechanism of the present application measures the pressure between the adjustment mechanism 1 and the rocket foot through the pressure measuring device 3 during the rocket verticality adjustment process, and cooperates with the adjustment mechanism 1 according to the pressure value through the driving device 2 and transmits power to the adjustment mechanism 1 to make the adjustment mechanism 1 move up and down along the extension and retraction direction of the adjustment mechanism 1, that is, the distance between the adjustment mechanism 1 and the rocket foot is adjusted through the driving device 2 to make the pressure between the adjustment mechanism 1 and the rocket foot equal.

[0044] The support plate adjustment mechanism of the present application can make the rocket engine frame reference plane 20 parallel to the initial plane of the adjustment mechanism 1 (the plane formed by multiple adjustment mechanisms away from the launch platform end) by adjusting the adjustment mechanism 1 multiple times. In addition, the present application can make the rocket engine frame reference plane 20 parallel to the initial plane of the adjustment mechanism by adjusting the adjustment mechanism 1 multiple times without adding an on-arrow measuring device, so as to quickly achieve precise adjustment of the verticality of the rocket, laying the foundation for subsequent adjustments. The device has the advantages of easy operation and cost saving, and can improve the adjustment accuracy of the verticality of the rocket and the rocket carrying capacity.

[0045] In one embodiment, the adjustment mechanism 1 includes a lead screw 4, a head flange 5, an adjuster 6, a telescopic cylinder 7 and an outer cylinder 8. The head flange 5 is located at the upper end of the lead screw 4, and the lead screw 4 is used to drive the head flange 5 to move up and down under the drive device 2. In order to facilitate the adjustment of the adjuster 6 and the lead screw 4 so that the adjuster moves along the axial direction of the lead screw 4, for example, the outer surface of the lead screw 4 is provided with a first external thread, and the adjuster 6 is a structure with a through hole and is sleeved on the outer side of the lead screw 4. The adjuster 6 is matched with the first external thread through the first internal thread on the inner wall surface of the through hole, and through the thread matching, the lead screw 4 drives the adjuster 6 to move up and down along the axial direction of the lead screw 4.

[0046] In order to facilitate the movement of the head flange 5 (along the axial direction of the lead screw), for example, the lower end of the telescopic cylinder 7 is in contact with the upper end of the adjuster 6, and the upper end of the telescopic cylinder 7 is used to cooperate with the lower end of the head flange 5, and the telescopic cylinder 7 is driven to move up and down by the adjuster 6 (the screw 4 rotates to drive the adjuster to move up and down), so that the head flange 5 moves up and down along the axial direction of the lead screw 4. In addition, the outer cylinder 8 is sleeved on the outside of the adjuster 6, and the lower end of the outer cylinder 8 is connected to the upper surface of the housing of the driving device 2, and the upper end of the outer cylinder 8 is used to limit the limit position of the downward movement of the head flange 5, and the adjuster 6 can move up and down relative to the outer cylinder 8.

[0047] It is worth mentioning that, in order to facilitate the movement of the adjuster, for example, the adjuster 6 is an adjusting nut (the adjusting nut can be a high temperature resistant copper nut). Specifically, the cross section of the adjusting nut tangent to the axial direction of the lead screw 4 is a convex shape, and the large end side of the convex shape is close to the driving device 2, and the small end side of the convex shape is close to the head flange 5.

[0048] In addition, in order to prevent the regulator 6 from detaching from the lead screw 4, for example, the upper end of the lead screw 4 is also provided with an anti-detachment gasket 9 and a locker 10 for fixing the anti-detachment gasket 9. The lower end of the locker 10 penetrates the anti-detachment gasket 9 along the axial direction of the lead screw 4 and is screwed into the lead screw 4, and the end face of the upper end close to the anti-detachment gasket 9 fits with the upper surface of the anti-detachment gasket 9. In actual application, the diameter of the cross section of the anti-detachment gasket 9 can be larger than the diameter of the cross section of the lead screw 4, and the regulator 6 abuts against the lower end face of the anti-detachment gasket 9 when it moves upward to the limit position, thereby preventing the regulator from detaching from the lead screw. In addition, in order to make the lead screw 4 and the anti-detachment gasket tightly connected and firmly fixed, for example, the locker 10 is a locking bolt.

[0049] It is particularly important to note that the adjustment mechanism 1 further includes a guide sleeve 11 and a shield 12, which are located at the upper end of the lead screw 4, and the guide sleeve 11 is sleeved on the outer side of the telescopic cylinder 7 and provides guidance for the telescopic cylinder 7. The shield 12 is used to prevent impurities from entering the inner part of the outer cylinder 8 to ensure the cleanliness of the surface of the lead screw 4, which is beneficial to the use of the adjuster 6. In addition, during installation, the shield 12 is sleeved on the outer side of the outer cylinder 8, and the upper end is fixedly connected to the head flange 5 along the circumferential extension surface of the head flange 5, and the lower end extends to one side of the drive device 2, so that the shield 12 can move up and down with the head flange 5.

[0050] In this embodiment, in order to ensure that the guide sleeve 11 is firmly fixed and prevent the guide sleeve 11 from moving up and down along the surface of the lead screw 4, for example, the guide sleeve 11 is composed of a first cylinder and a second cylinder with the same inner through hole and different outer diameters. The outer diameter of the first cylinder is larger than the outer diameter of the second cylinder, and a limit platform is formed at the transition portion from the first cylinder to the second cylinder. The surface of the limit platform is tightly attached to the end surface of the upper end of the outer cylinder 8, and the two are fixedly connected by bolts.

[0051] Specifically, in order to prevent the screw 4 from moving up and down, for example, the lower end of the screw 4 is also provided with a convex disc 13 integrally formed with the screw 4, a locking sleeve 14 and a fixing seat 15. The diameter of the large end of the convex disc 13 is larger than the diameter of the screw 4, and the diameter of the small end of the convex disc 13 is smaller than the diameter of the screw 4. The small end face of the convex disc 13 is in close contact with the lower end face of the screw 4, and the large end of the convex disc is connected to an annular groove located on the fixing seat 15 and matched with the convex disc 13. The locking sleeve 14 is sleeved on the outer side of the small end of the convex disc 13, and the upper end face of the locking sleeve 14 is abutted and connected with the lower end face of the screw 4 and the limiting table on the fixing seat 15 (the fixing seat 15 is provided with an annular inner groove, and the upper inner end face of the annular inner groove is the limiting table, which is not marked in the figure) to limit the locking sleeve 14 from moving upward. In order to prevent the locking sleeve 14 from shaking and reduce the gap between the locking sleeve, the lead screw 4 and the limiting table (tight sealing), for example, the lower end surface of the lead screw 4 and the limiting table on the fixed seat are located at the same horizontal plane. In addition, the lower end surface of the locking sleeve 14 is connected to the upper end surface of the large end of the convex disc 13 to limit the upward movement of the lead screw 4.

[0052] In order to facilitate the movement of the adjustment mechanism 1 on the surface of the launch platform, for example, an adjustment device is also provided at the lower part of the fixed seat 15, and the adjustment device is used to adjust the lateral displacement of the adjustment mechanism 1 on the surface of the launch platform. In this embodiment, the adjustment device includes two first fixing parts and a rotating bolt fixed on the launch platform and symmetrically arranged, and a second fixing part connected to the bottom of the fixed seat 15. The two first fixing parts are respectively located on both sides of the second fixing part, and the rotating bolt connects the first fixing part and the second fixing part by penetrating the first fixing part and the second fixing part. The two ends of the rotating bolt are respectively connected to the two first fixing parts through bearings, and the circumferential outer surface of the middle part of the rotating bolt is provided with a second external thread, and the second fixing part is provided with a second internal thread matching the second external thread. The second fixing part is caused to move laterally by rotating the rotating bolt, thereby driving the adjustment mechanism located at the bottom of the seat to move laterally. The first fixing part and the second fixing part are both rectangular structures with through holes.

[0053] It should be noted that the drive device 2 also includes a hydraulic motor 16, a reducer 17, a motor adapter 18 and a worm 19, the output end of the hydraulic motor 16 is connected to the input end of the reducer 17, the output end of the reducer 17 is connected to the input end of the motor adapter 17, the output end of the motor adapter 17 is connected to the input end of the worm 19, and the output end of the worm 19 is connected to the lead screw 4 to enable the lead screw 4 to complete the longitudinal (up and down) displacement movement. In addition, in order to facilitate the measurement of the pressure between the adjustment mechanism 1 and the rocket foot, for example, the pressure measuring device 3 is a pressure sensor.

[0054] In addition, in order to facilitate the support of the rocket foot by the adjustment mechanism, for example, the adjustment mechanism is evenly arranged along the circumference of the upper surface of the launch platform. After a large number of experimental simulations, when the number of adjustment mechanisms is A and A≥4, the adjustment mechanism supports the rocket foot more firmly, which can better prevent the rocket from tilting and is conducive to the precise adjustment of the rocket verticality.

[0055] The present invention also provides an adjustment system, comprising a plurality of support plate adjustment mechanisms as described above for use after the launch vehicle is erected, and the plurality of adjustment mechanisms correspond one-to-one to the rocket feet, respectively.

[0056] The above description is only an illustrative specific implementation manner of the present invention. Without departing from the concept and principle of the present invention, any equivalent changes and modifications made by those skilled in the art should fall within the scope of protection of the present invention.

Claims

1. An adjustment mechanism for a launch vehicle after erection, characterized in that: It comprises an adjusting mechanism, a driving device and a pressure measuring device, wherein: The adjustment mechanism is located on the launch platform, and the lower end of the adjustment mechanism is connected to the upper surface of the launch platform, and the upper end is connected to the lower end of the rocket foot and is used to cooperate with the rocket foot to adjust the verticality of the rocket; The driving device is located at one end of the adjusting mechanism close to the launching platform and connected to the adjusting mechanism, and the driving device is used to cooperate with the adjusting mechanism and transmit power to the adjusting mechanism to make the adjusting mechanism move up and down along the telescopic direction of the adjusting mechanism; The pressure measuring device is located at one end of the regulating mechanism close to the rocket foot, and the pressure measuring device is used to measure the pressure between the rocket foot and the regulating mechanism; The adjustment mechanism comprises a lead screw, a head flange, an adjuster, a telescopic cylinder and an outer cylinder, wherein: The head flange is located at the upper end of the lead screw, and the lead screw is used to drive the head flange to move up and down under the drive of the driving device; The outer surface of the lead screw is provided with a first external thread, and the adjuster is a structure with a through hole and is sleeved on the outer side of the lead screw, wherein the adjuster cooperates with the first external thread through the first internal thread on the inner wall surface of the through hole, and through the thread cooperation, the lead screw drives the adjuster to move up and down along the axial direction of the lead screw; The lower end of the telescopic cylinder is in contact with the upper end of the regulator, and the upper end of the telescopic cylinder is used to cooperate with the lower end of the head flange. The regulator drives the telescopic cylinder to move up and down, so that the head flange moves up and down along the axial direction of the lead screw; The outer cylinder is sleeved on the outside of the regulator, and the lower end of the outer cylinder is connected to the upper surface of the housing of the driving device. The upper end of the outer cylinder is used to limit the extreme position of the downward movement of the head flange. The regulator can move up and down relative to the outer cylinder.

2. The adjustment mechanism for the launch vehicle after erection according to claim 1, characterized in that: The regulator is an adjusting nut, and the cross section of the adjusting nut tangent to the axial direction of the lead screw is a convex shape, and the large end side of the convex shape is close to the driving device, and the small end side of the convex shape is close to the head flange.

3. The adjustment mechanism for the launch vehicle after erection according to claim 1, characterized in that: The upper end of the screw is also provided with an anti-slip gasket and a locker for fixing the anti-slip gasket. The lower end of the locker penetrates the anti-slip gasket along the axial direction of the screw and is screwed into the screw. The end face of the upper end close to the anti-slip gasket is in contact with the upper surface of the anti-slip gasket.

4. The adjustment mechanism for the launch vehicle after erection according to claim 3, characterized in that: The diameter of the cross section of the anti-dropping gasket is greater than the diameter of the cross section of the lead screw, and the locking device is a locking bolt.

5. The adjustment mechanism for the launch vehicle after erection according to claim 1, characterized in that: The adjustment mechanism also includes a guide sleeve and a shield, wherein the guide sleeve and the shield are located at the upper end of the lead screw, and the guide sleeve is sleeved on the outside of the telescopic cylinder and provides guidance for the telescopic cylinder; the shield is sleeved on the outside of the outer cylinder, and the upper end is fixedly connected to the head flange along the circumferential extension surface of the head flange, and the lower end extends toward one side of the driving device so that the shield can move up and down with the head flange.

6. The adjustment mechanism for the launch vehicle after erection according to claim 5, characterized in that: The guide sleeve is composed of a first cylinder and a second cylinder with the same inner through hole and different outer diameters. The outer diameter of the first cylinder is larger than the outer diameter of the second cylinder. A limit platform is formed at the transition point from the first cylinder to the second cylinder. The surface of the limit platform is tightly attached to the end face of the upper end of the outer cylinder and the two are fixedly connected by bolts.

7. The adjustment mechanism for the launch vehicle after erection according to claim 1, characterized in that: The lower end of the lead screw is also provided with a convex disc integrally formed with the lead screw, a locking sleeve and a fixing seat, wherein: The diameter of the large end side of the convex circular disc is larger than the diameter of the lead screw, and the diameter of the small end side of the convex circular disc is smaller than the diameter of the lead screw. The large end face of the convex circular disc is in close contact with the lower end face of the lead screw, and the small end face of the convex circular disc is connected to an annular groove located on the fixing seat and matched with the convex circular disc. The locking sleeve is sleeved on the outer side of the small end of the convex disc, and the upper end surface of the locking sleeve is abutted and connected with the lower end surface of the lead screw and the limit table on the fixed seat to limit the upward movement of the locking sleeve, wherein the lower end surface of the lead screw and the limit table on the fixed seat are located in the same horizontal plane; the lower end surface of the locking sleeve is connected with the upper end surface of the large end of the convex disc to limit the upward movement of the lead screw.

8. The adjustment mechanism for a carrier rocket after erection according to claim 1, characterized in that: The driving device also includes a hydraulic motor, a reducer, a motor connection plate and a worm, the output end of the hydraulic motor is connected to the input end of the reducer, the output end of the reducer is connected to the input end of the motor connection plate, the output end of the motor connection plate is connected to the input end of the worm, and the output end of the worm is connected to the lead screw to enable the lead screw to complete longitudinal displacement movement; the pressure measuring device is a pressure sensor.

9. An adjustment system, comprising the adjustment mechanism for a carrier rocket after erection as described in any one of claims 1 to 8, wherein the adjustment mechanism corresponds one-to-one to the rocket foot.

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