CN211639658U - Automatic rolling device for large-diameter long-section hollow cylinder - Google Patents

Abstract

The utility model provides an automatic rolling device of a large-diameter long-section hollow cylinder, which belongs to the field of assembly equipment and comprises a rolling ring and at least two rolling frame vehicles, wherein the rolling ring is fixedly arranged on the outer ring of the cylinder; the rolling frame vehicle comprises a support plate, the support plate is arc-shaped, the upper end of the support plate is provided with a guide groove, a rolling wheel rotationally connected with the guide groove is erected in the guide groove, the rolling ring is driven to rotate along the axis of the rolling ring, and the rolling ring is arranged in the guide groove and is tangent to the rolling wheel; be equipped with a plurality of locating holes on the ring that rolls over, be equipped with telescopic A axle positioning mechanism outside the backup pad, A axle positioning mechanism stretches into the locating hole setting under the state of stretching out, the utility model discloses can realize angle and axial positioning, overcome the rocket product because the eccentric roll-over risk that leads to and because self structure interference lead to the difficulty of ring installation that rolls over, improve the efficiency of carrier rocket assembly effectively, guarantee the quality of carrier rocket assembly and staff's safety in the work.

Description

Automatic rolling device for large-diameter long-section hollow cylinder

Technical Field

The utility model belongs to the equipment field relates to the assembly process of the large-scale part in space flight field, especially relates to the automatic roll-over device of the hollow cylinder of major diameter long section.

Background

At present, the assembly of the carrier rocket before leaving the factory in China all adopts single-section horizontal assembly, then a horizontal combination butt joint mode is adopted, the single-section rocket is placed on a profiling bracket, an operator assembles the inside and the outside of the rocket through a working ladder, the appearance of the rocket is large, the rocket belongs to a large-diameter long-section hollow cylinder structure, the diameter of the existing rocket is 3.35m at most, the assembly requirements can be met through a simple working ladder, but the maximum diameter of the new-generation carrier rocket is 5m, the maximum section can reach 30m, and the assembly work outside the carrier rocket can be met through special tools such as the working ladder and a lift truck. However, the general assembly work operation in the carrier rocket box and the shell section is difficult, and the main reasons are that: 1. the operation space in the carrier rocket box and the shell section is narrow; 2. The product is attached to the high-altitude operation, and the accessibility is not enough, because the existence of this problem, the final assembly scheme who adopts at present does: through trampling the relevant part that can the atress, perhaps assemble special work ladder in the incasement and operate, not only have the risk of destroying the product, assemble special work ladder long with moreover, work efficiency is low.

At present, rolling type assembly is already realized for a shorter carrier rocket section, but the rolling can only be oriented and cannot be quantified by manual adjustment of the existing rolling assembly device, and the rolling assembly requirements of a large-diameter and overlong section cannot be met due to limited manpower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide the automatic device of rolling over of the hollow cylinder of major diameter long section, can realize angle and axial positioning, overcome the rocket product because the eccentric rolling over risk that leads to and because self structure interference lead to the difficulty of rolling over ring installation, improved the efficiency of carrier rocket assembly effectively, guarantee the quality of carrier rocket assembly and staff's safety in the work.

In order to solve the technical problem, the utility model discloses a technical scheme is: the automatic rolling device for the large-diameter long-section hollow cylinder comprises a rolling ring and at least two rolling frame vehicles, wherein the rolling ring is fixedly arranged on the outer ring of the cylinder;

the rolling frame vehicle comprises a support plate, the support plate is arc-shaped, a guide groove is formed in the upper end of the support plate, a rolling wheel rotationally connected with the guide groove is erected in the guide groove, the rolling ring is driven to rotate along the axis of the rolling ring, and the rolling ring is arranged in the guide groove and is tangent to the rolling wheel;

the rolling ring is provided with a plurality of positioning holes, a telescopic A-axis positioning mechanism is arranged outside the supporting plate, and the A-axis positioning mechanism extends into the positioning holes when in an extending state.

Furthermore, the two automatic rolling frame vehicles are symmetrically arranged at two ends of the column body, a laser ranging device is arranged between the two automatic rolling frame vehicles, one automatic rolling frame vehicle is provided with a transmitting part of the laser ranging device, and the other automatic rolling frame vehicle is provided with a target for receiving laser at the corresponding same position.

Furthermore, the rolling frame vehicle is arranged on an underframe, a cross beam is arranged between the underframe and the supporting plate, a Z-axis adjusting mechanism is arranged between the cross beam and the underframe, and a Y-axis adjusting mechanism is arranged between the cross beam and the supporting plate.

Further, Y axle adjustment mechanism includes shift fork, driving nut, gyro wheel and gyro wheel deflector, the upper end of shift fork with the lower extreme fixed connection of backup pad, the lower extreme of shift fork with driving nut fixed connection, driving nut passes through cylinder, electric putter or motor lead screw structure drive and removes along the Y axle, the lower extreme at backup pad middle part is equipped with the gyro wheel, the upper end of crossbeam is equipped with the gyro wheel deflector tangent with the gyro wheel.

Furthermore, the cross beam is of a groove-shaped structure, the lower end of the supporting plate extends into the groove-shaped structure of the cross beam, and the two Y-axis adjusting structures are symmetrically arranged on two sides of the supporting plate along the Y axis.

Furthermore, Z axle adjustment mechanism sets up at the both ends of crossbeam Y axle direction and simultaneous action, Z axle adjustment mechanism includes the lift, the output shaft of lift pass through the connecting pin with crossbeam fixed connection, the lift passes through the shaft coupling and is connected with the output of motor.

Furthermore, the crossbeam all is equipped with right in the both sides of X axle direction the limiting plate that the backup pad led is carried out, and the quantity of every side limiting plate is two and the dispersion sets up.

Furthermore, a Z-axis positioning mechanism is further arranged between the cross beam and the bottom frame and comprises a Z-axis positioning lead screw, the Z-axis positioning lead screw is driven to move along the Z axis through a cylinder, an electric push rod or a motor lead screw structure, and the Z-axis positioning lead screw moves downwards and is in contact with the bottom frame.

Furthermore, the four corners of the bottom frame are provided with wheels moving along the X-axis direction, the bottom frame is provided with an X-axis motor and a transmission shaft, the two ends of the transmission shaft are provided with coaxial wheels, the X-axis motor drives the transmission shaft to rotate through a speed reducer, the bottom frame is arranged on a foundation, and a cable and an operation platform are arranged between the two bottom frames.

Further, every the top of wheel all is equipped with X axle positioning mechanism, X axle positioning mechanism includes support frame and brake block, the brake block is established in the top of wheel and the two radian is unanimous, be equipped with threaded connection's brake screw on the support frame, brake screw passes through X and goes up and down to hand wheel drive along the Z axle, brake screw's lower extreme with brake block fixed connection.

Furthermore, a plurality of balancing weights are detachably fixed on the side face of the rolling ring, and the rolling ring is divided into a front rolling ring and a rear rolling ring which are detachable under the condition that the outer wall of the hollow cylinder is provided with a protruding structure.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses set up and roll the swivel and backup pad, the ring of rolling can be in the guide way rotation of backup pad, the ring of rolling can realize angle and axial positioning, can not rely on special work ladder and trample the product and can accomplish the assembly work of carrier rocket section, the invention has overcome the rocket product because the eccentric roll risk that leads to and because the self structure interferes the difficulty that leads to the ring of rolling installation simultaneously, has improved the efficiency of carrier rocket assembly effectively, guarantee the quality of carrier rocket assembly and the safety of personnel in the work;

2. the rolling frame vehicle has 4 degrees of freedom, and the X axis, the Y axis, the Z axis and the A axis are respectively driven by the X axis adjusting mechanism, the Y axis adjusting mechanism, the Z axis adjusting mechanism and the A axis rolling mechanism, so that adjustment and rotation in multiple directions are realized, the requirement of placing a hollow cylinder with no length is met, the application range is expanded, the rotation of the A axis realizes the rotation of a large cylinder, the rotation of a high-level structure to a low-level position is realized, the assembly at the low-level position is convenient, the working link of ascending is saved, the link of setting a lifting tool is saved, the cost is reduced, the repeated up and down of operators is avoided, the safety is improved, the operation is convenient, the parts are taken, and the working efficiency is improved;

3. the laser ranging positioning device has two functions, namely, the function 1 is to measure the distance between two rolling frame vehicles; the function 2 is that when the positions of the two rolling frame vehicles are adjusted, the two rolling frame vehicles are coaxial as an adjusting and measuring tool, the control system can adjust the two rolling frame vehicles according to the deviation of each degree of freedom until the two rolling frame vehicles are concentric, the front and back bearing precision is ensured, the stability is higher, the precision of product assembly is favorably improved, and the qualification rate is improved, and the precision is especially important for high-precision equipment such as rocket aerospace;

4. the detachable balancing weight is arranged, so that the slipping phenomenon between the rolling ring and the rolling frame vehicle due to eccentric sudden acceleration rolling in the rolling process of the arrow body is effectively prevented, and the stability of rotation is further improved;

5. have the protrusion arrow wall to take off the condition that pulls out the radome fairing to arrow body tail section outer wall exists, the ring that rolls divide into preceding rolling ring and back rolling ring, and preceding rolling ring is the integrative ring structure of standard, and to taking off the radome fairing cooperation part of pulling out, the arrow under can't decomposing of back rolling ring, and the back rolling ring needs to make detachable two parts and constitutes, further enlarges the application scope of this application structure.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

In the drawings:

FIG. 1 is a schematic structural view of an automatic rolling device for a large-diameter long-section hollow cylinder according to the present invention;

FIG. 2 is a schematic view of the rolling frame vehicle and the related parts of the present invention;

fig. 3 is a schematic structural diagram of the chassis and related parts of the vehicle wheel machine after being matched;

fig. 4 is a schematic structural diagram of the X-axis adjusting mechanism of the present invention;

fig. 5 is a schematic structural diagram of the Y-axis adjusting mechanism of the present invention;

fig. 6 is a schematic structural view of the Z-axis adjusting mechanism of the present invention;

fig. 7 is a schematic structural view of the Z-axis positioning mechanism of the present invention;

FIG. 8 is a schematic view of the A-axis positioning mechanism and the related components of the present invention;

FIG. 9 is a schematic view of the installation structure of the counterweight block of the present invention;

fig. 10 is a schematic structural view of the split-type rolling ring of the present invention.

Reference numerals:

1. a launch vehicle section; 2. rolling the ring; 3. the rolling ring is connected with a screw; 4. rolling the frame vehicle; 5. a foundation; 6. an operation table; 7. a cable; 8. lifting lugs; 9. a Z-axis adjustment mechanism; 10. a Y-axis adjustment mechanism; 11. a support plate; 111. a guide groove; 12. an X-axis adjusting mechanism; 13. an A-axis positioning mechanism; 14. an auxiliary roller; 15. the shaft A rolls the rotating mechanism; 16. an electric box; 17. an X-axis positioning mechanism; 18. a Z-axis positioning mechanism; 19. a laser ranging device; 20. the automatic rolling frame vehicle underframe; 21. a wheel; 22. an X-axis motor; 23. a speed reducer; 24. a drive shaft; 25. a coupling; 26. an X-axis hand wheel; 27. A brake screw; 28. a support frame; 29. a brake pad; 30. a cross beam; 31. a Y-direction motor 32 and a speed reducer; 33. a bracket 1; 34. a coupling; 35. a bracket 2; 36. a Y-axis lead screw; 37. a shifting fork; 38. a drive nut; 39. a bracket 3; 40. a roller; 41. a roller guide plate; 42. a Z-direction motor; 43. a coupling; 44. an elevator; 45. an output shaft; 46. a connecting pin; 47. a Z-axis positioning screw rod; 48. a Z-axis hand wheel; 49. positioning holes; 50. a rotating electric machine; 51. A speed reducer; 52. a rolling wheel; 53. a bolt; 54. a balancing weight; 55. a large half ring; 56. a small half ring; 57. and (5) mounting a bracket.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The utility model discloses in, in the horizontal plane, the axis direction of hollow cylinder is X axle direction, and the right side is X axle forward direction, and the direction of perpendicular to X axle is the Y axle in the horizontal plane, and towards hollow cylinder, the direction of orientation operator is the forward direction of Y axle, and the direction of perpendicular to horizontal plane is the Z axle, and vertical upwards is the forward direction of Z axle, is A axle direction around the degree of freedom of X rotation.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 10, the automatic rolling device for a large-diameter long-section hollow cylinder comprises a rolling ring 2 and at least two rolling frame vehicles 4, the rolling ring 2 is fixedly arranged on the outer ring of the cylinder, each rolling frame vehicle 4 comprises a support plate 11, the support plate 11 is arc-shaped, the upper end of the support plate is provided with a guide groove 111, a rolling wheel 2 rotatably connected with the guide groove 111 is erected in the guide groove 111 and drives the rolling ring 2 to rotate along the axis of the rolling ring, the rolling ring 2 is arranged in the guide groove 111 and is tangent to the rolling wheel, the rolling ring 2 is provided with a plurality of positioning holes 49, a telescopic a shaft a positioning mechanism 13 is arranged outside the support plate 11, the a shaft a positioning mechanism 13 extends into the positioning holes 49 when in the extending state, the rolling frame vehicles 4 are in a minor arc structure, the manufacturing is convenient, the rolling frame vehicles 4 are welded by sheet metal, the cost is low, the strength is high, and the guide grooves 111 have a certain depth, the convenience is spacing to the X direction of roll ring 2, promotes the stability of structure, and the roller shaft can directly drive rotatoryly through the motor, and the motor that involves in this application all adopts servo motor, and control is more accurate, and the precision is high, and the speed reducer setting is all matchd to every motor, promotes the moment of torsion.

Preferably, two automatic rolling frame cars 4 are symmetrically arranged at two ends of the column body, a laser distance measuring device 19 is arranged between the two automatic rolling frame cars 4, a transmitting part for installing the laser distance measuring device 19 is arranged, targets for receiving laser are installed at the corresponding same positions at the other ends of the two automatic rolling frame cars, the precision of front and back bearing is guaranteed, the stability is higher, the precision of product assembly is favorably improved, the qualification rate is improved, the precision is especially important due to the fact that the automatic rolling frame cars are used for high-precision rocket aerospace equipment, if the automatic rolling frame cars are arranged eccentrically, axial micro-distortion can be generated, the automatic rolling frame cars are not easy to find, stress change can still be generated, especially for large-size long-section parts, fine distortion can cause large-distance change.

Preferably, the rolling frame cart 4 is arranged on the underframe, the cross beam 30 is arranged between the underframe and the supporting plate 11, the Z-axis adjusting mechanism 9 is arranged between the cross beam 30 and the underframe, and the Y-axis adjusting mechanism 10 is arranged between the cross beam 30 and the supporting plate 11, so that the lifting of the rolling frame cart 4 in the Z-axis direction and the horizontal movement of the rolling frame cart 4 in the Y-axis direction are realized, the coaxial arrangement of the front end and the rear end of the carrier rocket section 1 is favorably realized, the dislocation or torsion in the Y-axis direction and the Z-axis direction is avoided, the stress concentration is caused, and the precision and the stability of the structure in the operation.

Preferably, the Y-axis adjusting mechanism 10 includes a shifting fork 37, a driving nut, a roller 40 and a roller 40 guide plate, the upper end of the shifting fork 37 is fixedly connected with the lower end of the support plate 11, the lower end of the shifting fork 37 is fixedly connected with the driving nut, the driving nut is driven by an air cylinder, an electric push rod or a motor screw structure to move along the Y-axis, the roller 40 is arranged at the lower end of the middle part of the support plate 11, the roller 40 guide plate tangent to the roller 40 is arranged at the upper end of the cross beam 30, the motor screw structure is adopted in the application, and the shifting fork 37 moves linearly to drive the support plate 11 to move along the Y-axis direction; more preferably, the cross beam 30 is of a groove-shaped structure, the lower end of the supporting plate 11 extends into the groove-shaped structure of the cross beam 30, the centers of gravity of the two are overlapped up and down, the number of the Y-axis adjusting structures is two, the two Y-axis adjusting structures are symmetrically arranged on two sides of the supporting plate 11 along the Y axis, the stress is balanced and stable, and the adjustment is more convenient, rapid and reliable.

Preferably, the Z-axis adjusting mechanisms 9 are disposed at two ends of the cross beam 30 in the Y-axis direction and synchronously move, the Z-axis adjusting mechanisms 9 include a lifter 44, an output shaft of the lifter 44 is fixedly connected with the cross beam 30 through a connecting pin 46, the lifter 44 is connected with an output end of the Z-direction motor 42 through a coupler 43, and the structure of the lifter 44 can be realized by a hydraulic cylinder or other equivalent mechanisms as long as the two ends simultaneously move; more preferably, still be equipped with Z axle positioning mechanism 18 between crossbeam 30 and the chassis, Z axle positioning mechanism 18 includes Z axle location lead screw 47, Z axle location lead screw 47 passes through the cylinder, electric putter or the drive of motor lead screw structure and moves along the Z axle, Z axle location lead screw 47 moves down and sets up with the chassis contact, realized the location after the Z axle lift action, promote the stability after the location, the going on of convenient equipment operation also avoids the equipment operation to carry out the in-process, produce dislocation problem etc..

Preferably, the crossbeam 30 all is equipped with the limiting plate that leads backup pad 11 in the both sides of X axle direction, and the quantity of every side limiting plate is two and the dispersion sets up, has guaranteed the motion precision of backup pad 11, further promotes the stability of structure motion.

Preferably, wheels 21 moving along the X-axis direction are arranged at four corners of the underframe, an X-axis motor 22 and a transmission shaft 24 are arranged on the underframe, coaxial wheels 21 are arranged at two ends of the transmission shaft 24, the X-axis motor drives the transmission shaft 24 to rotate through a speed reducer, the underframe is arranged on the foundation 5, the cable 7 and the operating platform 6 are arranged between the two underframe, and the underframe moves to facilitate the adjustment of the span in the X-axis direction, meet the fixation of parts with different lengths and enlarge the application range; more preferably, the top of every wheel 21 all is equipped with X axle positioning mechanism 17, X axle positioning mechanism 17 includes support frame 28 and brake block 29, brake block 29 is established in the top of wheel 21 and the two radian is unanimous, be equipped with threaded connection's brake screw 27 on the support frame 28, brake screw 27 goes up and down along the Z axle through X to hand wheel drive, brake screw 27's lower extreme and brake block 29 fixed connection, guarantee stability and fastness after the location, the going on of convenient equipment operation, also avoid the equipment operation to carry out the in-process, produce dislocation problem etc..

In the process of actual work, the structure comprises seven parts, namely a carrier rocket section 1, a rolling ring 2, a rolling ring connecting screw 3, a rolling frame vehicle 4, a foundation 5, an operating platform 6 and a cable 7, wherein the rolling ring 2 is fixed on two end faces of the carrier rocket section 1 through the rolling ring connecting screw 3, the carrier rocket section 1 is placed on the rolling frame vehicle 4 through the rolling ring 2, the carrier rocket section 1 rotates around an axis X shaft of the carrier rocket section through controlling and driving corresponding degrees of freedom on the rolling frame vehicle 4, so that inaccessible operation items can be rotated to be accessible, operation is performed within a range convenient to operate, and production efficiency and safety are improved on the basis of ensuring product quality. The device is suitable for carrier rocket sections with different diameters and lengths.

As shown in fig. 2, the rolling trolley 4 has a structure, and the rolling trolley 4 has 4 degrees of freedom: the X-axis, the Y-axis, the Z-axis and the A-axis are respectively composed of an X-axis adjusting mechanism 12, a Y-axis adjusting mechanism 10, a Z-axis adjusting mechanism 9 and an A-axis rolling mechanism 15. Wherein: the three axes of the X axis, the Y axis and the Z axis are arranged for ensuring the stable and reliable placement of the carrier rocket section 1, and the axis A is a direct driving shaft for the automatic rolling of the carrier rocket section 1 and also is a main function of the rolling frame vehicle 4. Rolling frame cart 4 further includes X, Z, A three-axis positioning mechanism: besides the functional components of the X-axis positioning mechanism 17, the Z-axis positioning mechanism 18 and the a-axis positioning mechanism 13, the rolling frame cart 4 further includes main components: support plate 11, bogie chassis 20, wheels 21, and auxiliary components: lifting lugs 8, auxiliary rollers 14, an electric box 16 and a laser ranging and positioning device 19.

The specific implementation mode is as follows:

the X-axis and positioning mechanism is realized by the following steps:

as shown in fig. 3, it is a schematic diagram of X-axis driving, where the X-axis is that the wheels 21 of the rolling-gantry vehicle move along the track direction, and its transmission scheme is: the X-axis motor 22 drives the speed reducer 23 to rotate, the transmission shaft 24 is driven to rotate, the wheel 21 is connected with the transmission shaft 24 through the coupler 25, and therefore the wheel 20 rolls on the guide rail, and X-axis movement is achieved.

The positioning mechanism of the X axis is as shown in fig. 4, the positioning mechanism is fixed on the upper underframe 20 of the wheel 21 through the support frame 28, the hand wheel 26 in the X direction is manually rotated to drive the brake screw 27 to move up and down, so as to push the brake block 29 to move, and when the brake block 29 is attached to the wheel 21, the wheel 21 is locked through friction force, so as to realize positioning in the X axis direction.

Y-axis implementation:

as shown in fig. 5, a schematic diagram of Y-axis driving is shown, the Y-axis is a direction perpendicular to the guide rail, i.e. perpendicular to the X-axis, and the transmission scheme is as follows: the Y-direction motor 31 drives the speed reducer 32 to rotate, the speed reducer drives the Y-axis screw 36 to rotate through the coupler 34, the driving nut 38 drives the shifting fork 37 to move along the Y-axis screw through rotation of the Y-axis screw 36, the shifting fork 37 is fixed on the supporting plate 11 through screws, meanwhile, the roller 40 is installed at the lower end of the supporting plate 11, and when the shifting fork 37 moves along the Y axis, the roller 40 rolls on the roller guide plate 41 through the roller, so that the whole supporting plate 11 can move along the Y axis.

Z axle and positioning mechanism realization:

as shown in fig. 6, which is a schematic view of Z-axis drive, the rolling-type gantry has two sets of Z-axis drives, and the two sets of Z-axis drives are synchronously controlled to realize the movement of the carrier rocket section 1 along the Z-axis, and the transmission scheme is as follows: the Y-axis motor 42 drives the elevator reducer 44 through the coupling 43 to move the output shaft 45 up and down, the cross beam 30 is connected to the elevator reducer output shaft 45 through the connecting pin 46, and the output shaft 45 moves up and down to push the cross beam 30 to move along the Z-axis.

The Z-axis positioning mechanism is shown in FIG. 7: after the Z axis reaches a proper position, the Z-direction hand wheel 48 is rotated to tightly push the cross beam 30 under the action of the Z-axis positioning lead screw 47 so as to realize the purpose of Z-axis positioning.

A shaft and positioning mechanism implementation mode:

as shown in fig. 8, it is a schematic diagram of driving and positioning of the a-axis, the rolling of the a-axis is realized by synchronously controlling the rolling of the two rolling carriages 4, and the transmission mode is as follows: the rotating motor 50 drives the reducer 51, the reducer 51 drives the rolling wheel 52 to rotate, the rolling wheel 52 drives the rolling ring 2 to rotate through friction, as shown in fig. 1, the rolling rings 2 are installed at two ends of the carrier rocket section 1, and the rolling of the rolling ring 2 realizes the rotation of the a axis of the carrier rocket section 1.

The A-axis positioning is realized by inserting the A-axis positioning mechanism 13 into the rolling ring positioning hole 49, 72 positioning holes 49 are uniformly distributed on the rolling ring 2, so that the carrier rocket section 1 can be positioned at intervals of 5 degrees, and a signal device is matched, when the A-axis positioning mechanism 13 is inserted into the rolling ring positioning hole 49, the signal is fed back to the rotating motor 50 to prevent the rotating motor 50 from rotating, and only when the A-axis positioning mechanism 13 is not inserted into the rolling ring positioning hole 49, the signal is fed back to the rotating motor 50, and the rotating motor 50 can drive the rolling ring 2 to rotate.

Laser rangefinder positioner implementation mode:

the laser distance measuring and positioning device 19 has two functions, namely, the function 1 is to measure the distance between two rolling frame vehicles 4; and the function 2 is used as a measuring tool for adjusting the positions of the two rolling frame vehicles 4 to ensure that the two rolling frame vehicles are coaxial.

The function 1 is realized by measuring the distance between the two rolling frame vehicles 4 by using the function of the laser range finder, calculating the distance between the centers of the support plates 11 of the two rolling frame vehicles 4 by the distance between the middle of the compensation support plate 11 and the laser range finding positioning device 19, and reflecting the distance in the control system interface to visually see the distance between the two rolling frame vehicles 4.

The function 2 is realized by matching the rolling frame vehicles 4, a laser ranging and positioning device 19 is arranged on one rolling frame vehicle 4, a laser receiving target is arranged on the other rolling frame vehicle 4 at the same position, the target can feed the deviation of the respective degree of freedom back to the control system after receiving the laser, the control system can adjust the two rolling frame vehicles 4 according to the deviation of the respective degree of freedom until the two rolling frame vehicles 4 are concentric, and the two functions can be realized automatically and also manually.

The method for realizing the eccentric rolling prevention of the arrow body comprises the following steps:

because the arrow body eccentricity problem is caused by the existence of the cable bundle between certain quadrants of the arrow body side wall, the cable on the side wall of a certain model weighs about 800Kg, in order to prevent the phenomenon that the rolling ring slips with the rolling frame vehicle due to the eccentricity and sudden acceleration of the rolling in the arrow body rolling process, an interface of a balancing weight 54 is arranged on the rolling ring 2, the balancing weight is installed on the rolling ring 2 through a bolt 53, and the balancing weight cannot interfere with other parts after being added to affect the rolling of the arrow body. The balancing weight is made into a thin block shape of about 20kg per block, stacked and installed, provided with lifting lug installation holes, installed in a hoisting mode or installed on a manual hand platform at two sides of the rolling ring, and fixed with the arrow body butt joint holes through the rolling ring.

The sectional installation and decomposition implementation mode of the rolling ring is as follows:

because the arrow body tail section outer wall has the arrow wall to take off and pull out the radome fairing and exist, take off and pull out the radome fairing after installing, roll the ring and divide into preceding roll ring and back roll ring to this structure, the preceding roll ring is a standard integrative ring structure, to taking off and pulling out the radome fairing cooperation part, the back roll ring can't be divided into down the arrow, the back roll ring needs to be made two detachable parts and made up, it is shown respectively that the large half ring 55 and small half ring 56, if the tail section takes off the radome fairing and does not install, can carry on the installation of the whole ring when the back roll ring is installed; if the tail section pulling fairing is installed, the rear rolling ring is installed in two parts; the first part is lifted and installed to be connected with the rocket, and then the small-section rolling ring is installed by the aid of the installation bracket 57.

When the carrier rocket assembly is used, firstly, the rolling frame vehicles 4 are started, the two rolling frame vehicles 4 are adjusted to be concentric in an automatic mode or a manual mode, the distance between the two rolling frame vehicles is in accordance with the length of the assembled carrier rocket section 1, the rolling ring 2 can be installed at the end part of the carrier rocket section 1 through the rolling ring connecting screw 3 while the rolling frame vehicles 4 are adjusted, after the installation is finished, the carrier rocket section 1 and the rolling ring 2 are hoisted to the rolling frame vehicles 4 together, the rolling frame vehicles are controlled to roll the carrier rocket section 1 according to the assembly requirements, when the position is appropriate, namely when the carrier rocket section 1 is rolled to the position to be assembled, the rolling is stopped, the A shaft positioning mechanism 13 is inserted into the positioning hole 49 on the rolling ring, then the assembly is carried out, after the assembly is finished, the A shaft positioning mechanism 13 is pulled out, the rolling frame vehicles are controlled again to roll the carrier rocket section 1, and the position is appropriate, stopping rolling, inserting the A-axis positioning mechanism 13 into the positioning hole 49 on the rolling ring, assembling … … and so on until all assembling work is completed, after the whole carrier rocket section 1 is assembled, hoisting the carrier rocket section 1 to a parking frame vehicle, removing the two rolling rings 2, performing subsequent work, and shutting down and powering off the rolling frame vehicle 4 to remove the rolling frame vehicle.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. Automatic roll-over device of hollow cylinder of major diameter long section, its characterized in that: the rolling device comprises a rolling ring and at least two rolling frame vehicles, wherein the rolling ring is fixedly arranged on the outer ring of a cylinder;

the rolling frame vehicle comprises a support plate, the support plate is arc-shaped, a guide groove is formed in the upper end of the support plate, a rolling wheel rotationally connected with the guide groove is erected in the guide groove, the rolling ring is driven to rotate along the axis of the rolling ring, and the rolling ring is arranged in the guide groove and is tangent to the rolling wheel;

the rolling ring is provided with a plurality of positioning holes, a telescopic A-axis positioning mechanism is arranged outside the supporting plate, and the A-axis positioning mechanism extends into the positioning holes when in an extending state.

2. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 1, wherein: the two automatic rolling frame vehicles are symmetrically arranged at two ends of the column body, a laser ranging device is arranged between the two automatic rolling frame vehicles, one automatic rolling frame vehicle is provided with a transmitting part of the laser ranging device, and the other automatic rolling frame vehicle is provided with a target for receiving laser at the corresponding same position.

3. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 1, wherein: the rolling frame vehicle is arranged on the underframe, a cross beam is arranged between the underframe and the supporting plate, a Z-axis adjusting mechanism is arranged between the cross beam and the underframe, and a Y-axis adjusting mechanism is arranged between the cross beam and the supporting plate.

4. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 3, wherein: the Y-axis adjusting mechanism comprises a shifting fork, a driving nut, a roller and a roller guide plate, the upper end of the shifting fork is fixedly connected with the lower end of the supporting plate, the lower end of the shifting fork is fixedly connected with the driving nut, the driving nut is driven to move along the Y axis through a cylinder, an electric push rod or a motor screw rod structure, the roller is arranged at the lower end of the middle part of the supporting plate, and the roller guide plate tangent to the roller is arranged at the upper end of the cross beam.

5. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 4, wherein: the crossbeam is the channel structure, the lower extreme of backup pad stretches into in the channel structure of crossbeam, Y axle regulation structure's quantity is two and sets up along Y axial symmetry the both sides of backup pad.

6. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 3, wherein: z axle adjustment mechanism sets up at the both ends of crossbeam Y axle direction and synchronization action, Z axle adjustment mechanism includes the lift, the output shaft of lift pass through the connecting pin with crossbeam fixed connection, the lift passes through the shaft coupling and is connected with the output of motor.

7. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 3, wherein: the crossbeam all is equipped with right in the both sides of X axle direction the limiting plate that the backup pad led is carried out, and the quantity of every side limiting plate is two and the dispersion sets up.

8. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 3, wherein: the Z-axis positioning mechanism comprises a Z-axis positioning lead screw, the Z-axis positioning lead screw is driven to move along the Z axis through a cylinder, an electric push rod or a motor lead screw structure, and the Z-axis positioning lead screw moves downwards and is in contact with the bottom frame.

9. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 3, wherein: the four corners of chassis is equipped with the wheel that removes along X axle direction, be equipped with X axle motor and transmission shaft on the chassis, the both ends of transmission shaft are equipped with coaxial wheel, the X axle motor passes through the speed reducer drive the transmission shaft rotates, the chassis is established on the ground, and cable and operation panel are established between two chassis, every the top of wheel all is equipped with X axle positioning mechanism, X axle positioning mechanism includes support frame and brake block, the brake block is established in the top of wheel and the two radian is unanimous, be equipped with threaded connection's brake screw on the support frame, brake screw goes up and down to hand wheel drive along the Z axle through X, brake screw's lower extreme with brake block fixed connection.

10. The automatic rolling device of the large-diameter long-section hollow cylinder as claimed in claim 1, wherein: the side of the rolling ring is detachably fixed with a plurality of balancing weights, and the rolling ring is divided into a front rolling ring and a rear rolling ring which are detachable under the condition that the outer wall of the hollow cylinder is provided with a convex structure.

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