WO2021088814A1 - 一种火箭起竖臂 - Google Patents
一种火箭起竖臂 Download PDFInfo
- Publication number
- WO2021088814A1 WO2021088814A1 PCT/CN2020/126216 CN2020126216W WO2021088814A1 WO 2021088814 A1 WO2021088814 A1 WO 2021088814A1 CN 2020126216 W CN2020126216 W CN 2020126216W WO 2021088814 A1 WO2021088814 A1 WO 2021088814A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rocket
- support
- cylinder
- erecting
- arm
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
- F41F3/052—Means for securing the rocket in the launching apparatus
Definitions
- the application belongs to the technical field of rocket erection, and specifically relates to a rocket erecting arm.
- the present application provides a rocket erecting arm.
- the present application provides a rocket erecting arm, which includes a erecting arm body. Along the length direction of the erecting arm body, a rocket supporting and holding tight is sequentially arranged on the erecting arm body.
- the rocket supporting and holding device is used to adjustably support and hold the front end of the supported rocket, and the rocket auxiliary hydraulic support device is used to carry out floating support for the middle of the supported rocket; and the rocket rear fulcrum support adjustment
- the device is used to adjust the rear end of the rocket, and is also used to adjust the rotation of the rocket when it is erected and the positioning and docking of the rocket and the launch pad.
- the rocket supporting and holding device includes a support assembly and a holding assembly.
- the support assembly is used to support the rocket and is arranged on the erecting arm body along the horizontal radial direction of the supported rocket.
- the bottom of the; the holding assembly is provided on the upper side of both sides of the erecting arm body, which is used to hold the rocket;
- the supporting assembly includes a bracket, a rotating unit, a guide unit, and a driving unit; the bracket is disposed on the rotating unit, and the rotating unit is used to drive the bracket to rotate horizontally by a preset angle; the rotating unit Is arranged on the guide unit and the driving unit, the guide unit is arranged at the bottom of the vertical arm body along the horizontal radial direction of the supported rocket, and is used to align the bracket along the horizontal radial direction of the supported rocket. The movement is guided; the driving unit is used for driving the bracket to move in the radial direction of the supported rocket through the rotating unit.
- the holding assembly includes a holding arm unit and a power unit, the two holding arm units are arranged opposite to each other above the two sides of the erecting arm body, which are used for holding the upper half of the rocket;
- the power unit is used to provide power to the arm unit, so that the two arm units are folded to hug the rocket;
- the arm holding unit includes a large holding arm, a first holding tongs, a small holding arm, and a second holding tongs; the inner side of the big holding arm is connected with the first holding tongs, and one end of the big holding arm is connected to the The erecting arm body is connected, the other end of which is connected to one end of the small holding arm, and the other end of the small holding arm is connected with the second holding clamp;
- the power unit includes a first oil cylinder and a second oil cylinder.
- One end of the first oil cylinder is connected with the erecting arm body, and the other end is connected with the large arm.
- the first oil cylinder is used to drive the large arm.
- Arm; one end of the second oil cylinder is connected with the large arm, and the other end is connected with the small arm, and the second oil cylinder is used to drive the small arm.
- the rocket auxiliary hydraulic support device includes a hydraulic system, a guide support cylinder, an elastic support assembly and a rocket carrier;
- the hydraulic system is used to drive the guide support cylinder to generate vertical support; an elastic support assembly is arranged above the guide support cylinder, a rocket bracket is arranged above the elastic support assembly, and the elastic support The component is used to float and support the rocket carrier, and the rocket carrier is used to support the rocket;
- the elastic support assembly includes a limit bracket, a flange support, a bracket revolving seat, a spring mounting seat, and a limit support spring;
- the limit bracket is arranged on the top of the guide support cylinder, and the flange support is arranged at the center thereof; the flange support is connected with the bracket revolving base through a first revolving pin;
- the spring mounting seat is fixedly arranged on the top surface of the limit bracket and is located between the limit bracket and the top plate of the bracket revolving seat;
- the limit support spring is arranged in the spring mounting seat, the spring mounting seat is used to guide the limit support spring; one end of the limit support spring is fixedly connected to the spring mounting seat, and the other One end is in contact with the top plate of the bracket revolving seat; the limit support spring is used to limit the free movement of the rocket bracket in the vertical direction.
- the hydraulic system includes a hydraulic cylinder, a power component, and an oil source; the oil source provides hydraulic oil for the power component, and the power component is connected to the hydraulic cylinder through a rod cavity oil pipe and a rodless cavity oil pipe , The hydraulic cylinder is connected with the guide support cylinder;
- the hydraulic cylinder includes a hydraulic cylinder tube, a hydraulic cylinder rod, a stroke limit sleeve and an oil cylinder pin; the hydraulic cylinder rod is slidably arranged in the hydraulic cylinder tube, and the stroke limit sleeve is along the length of the hydraulic cylinder rod The direction is sleeved on the hydraulic cylinder rod and is used to limit the stroke of the hydraulic cylinder rod in the hydraulic cylinder barrel; the top end of the hydraulic cylinder rod is connected with the guide support cylinder through the cylinder pin.
- the power component includes an electromagnetic reversing valve, an accumulator, a pressure sensor, a safety valve, a proportional relief valve and a one-way valve;
- the oil source is connected to the oil inlet cavity of the electromagnetic reversing valve through the one-way valve, and the oil return cavity of the electromagnetic reversing valve is connected to the oil tank;
- the first working oil cavity of the electromagnetic reversing valve passes through a rodless
- a cavity oil pipe is connected to the rodless cavity of the hydraulic cylinder, and the second working oil cavity of the electromagnetic reversing valve is connected to the rod cavity of the hydraulic cylinder through a rod cavity oil pipe;
- An accumulator and a pressure sensor are connected to the connecting pipeline of the one-way valve and the oil inlet cavity of the electromagnetic reversing valve, and the connecting pipeline of the one-way valve and the oil inlet cavity of the electromagnetic reversing valve and the oil tank are connected to the oil inlet cavity.
- a safety valve and a proportional relief valve are connected in parallel between the connecting pipes of the oil return cavity of the electromagnetic reversing valve.
- the rocket rear fulcrum support adjustment device includes a rotating support, a rotating pushing unit, a supporting unit, and a pulling unit; wherein, the rotating pushing unit is arranged on the rotating support and the erecting arm body In between, it is used to push the rotary support to rotate after the rocket is supported by the launch pad to allow the rocket take-off space; the support unit is arranged on the rotary support and is used for supporting the rocket's rear fulcrum. Support; the pulling unit is connected with the rotary support and the supporting unit, and during the rocket erection process, the support of the supporting unit to the rocket is gradually converted into the pulling of the rocket by the pulling unit.
- the rotary pushing unit includes a second rotary pin shaft, a limit support block and a driving cylinder;
- the rotary support is hinged with the vertical arm body through the second rotary pin
- the limit support block is used for positioning the position of the rotary support
- the driving cylinder is used for driving The rotation support rotates around the second rotation pin shaft.
- the supporting unit includes a supporting lifting cylinder and an end journal seat, one end of the supporting lifting cylinder is fixedly connected to the vertical arm body, and the other end thereof is fixedly connected to the end journal seat;
- the central axis of the support lift cylinder along its length direction is perpendicular to the central axis of the end journal seat along its length direction, and the support lift cylinder is used to adjust the length of the end journal seat along the support lift cylinder.
- the end journal seat is used to support the rocket along the width direction of the erecting arm body.
- the pulling unit includes an adjusting screw, a first tie rod seat and a second tie rod seat;
- one end of the adjusting screw is connected to the rotary support through the first tie rod seat, and the other end is connected to the end journal seat through the second tie rod seat; the adjusting screw is sleeved with an adjusting nut and a lock Nut.
- a erecting arm rotation axis is provided at one end of the erecting arm body close to the tail end of the supported rocket; the erecting arm rotating axis is matched with a revolving half seat set on the ground near the launch pad , Enabling the vertical arm body to revolve around the revolving half seat;
- an erecting assembly is arranged at a position close to the rear fulcrum supporting and adjusting device of the rocket, and the erecting assembly is matched with the erecting cylinder support provided on the ground close to the launching platform. To push the erecting arm body to erect.
- the erection assembly includes a erection cylinder, a erection cylinder adjustment device, and a erection cylinder pin; the erection cylinder is limited to two positions in the width direction of the erection arm body by the erection cylinder adjustment device.
- the upper fulcrum of the erection cylinder is hinged with the erection arm body, and the lower earring of the erection cylinder is hinged with the erection cylinder support through the erection cylinder pin; the erection cylinder
- the adjusting device is used for pulling the erecting oil cylinder, so that the lower earring of the erecting oil cylinder can be hinged with the erecting oil cylinder support.
- a rocket supporting and holding device a rocket auxiliary hydraulic support device and a rocket rear fulcrum support adjustment device are arranged on the erecting arm body.
- Use the rocket support and hold device to adjust the head end of the supported rocket
- use the rocket rear fulcrum support adjustment device to adjust the tail end of the supported rocket
- use the rocket auxiliary hydraulic support device to adjust the middle of the supported rocket.
- the floating support can carry out safe and reliable transportation and erection of the rocket, and can avoid the additional force generated by the structural deformation of the erector arm body on the rocket; and it can conveniently carry out multiple degrees of freedom of the rocket during the transfer and docking process. Adjustment, effectively reducing the difficulty of docking and adjustment of the rocket during reloading.
- the erecting arm rotating shaft is arranged at the end of the erecting arm body close to the end of the supported rocket, and the erecting assembly is arranged on the erecting arm body near the support and adjustment device of the rocket rear fulcrum.
- the erecting arm is erected to complete the reliable docking between the rocket and the launch pad; the rocket erecting arm of the present application integrates the functions of transportation, positioning and docking, erecting, etc., which can greatly shorten the launch time of the rocket and significantly improve the launch efficiency.
- FIG. 1 is a schematic diagram of a state when a rocket erecting arm and a self-propelled hydraulic axis car are used to transport a rocket together according to an embodiment of the application.
- FIG. 2 is a schematic diagram 5 of a state when a rocket erecting arm and a self-propelled hydraulic axle car are used to transport a rocket to a launch area together according to an embodiment of the application.
- Fig. 3 is one of the schematic diagrams of the state when the rocket is erected when the rocket is erected by the vertical arm provided by the embodiment of the application.
- Fig. 4 is the second schematic diagram of the state of a rocket erecting arm when the rocket is erected according to an embodiment of the application.
- FIG. 5 is a schematic structural diagram of a rocket supporting and holding device in a rocket vertical arm provided by an embodiment of the application.
- Fig. 6 is a top view of a guide unit in a rocket supporting and holding device for a rocket vertical arm provided by an embodiment of the application.
- Fig. 7 is an enlarged view of I in Fig. 5.
- FIG. 8 is a schematic structural diagram of a rocket auxiliary hydraulic support device in a rocket vertical arm provided by an embodiment of the application.
- Fig. 9 is a cross-sectional view of a rocket auxiliary hydraulic support device in a rocket vertical arm provided by an embodiment of the application.
- FIG. 10 is a schematic structural diagram of a rocket rear fulcrum support adjustment device in a rocket vertical arm provided by an embodiment of the application.
- FIG. 11 is a cross-sectional view of a supporting unit in a rocket rear fulcrum support adjustment device of a rocket vertical arm provided by an embodiment of the application.
- Rotation unit 1121, rotary shaft; 1122, support plate; 1123, limit block;
- Arm holding unit 1151, large holding arm; 1152, first holding pliers; 1153, small holding arm; 1154, second holding pliers;
- Power unit 1161, the first cylinder; 1162, the second cylinder;
- Hydraulic system 1210, hydraulic cylinder; 1211, hydraulic cylinder rod; 1212, stroke limit sleeve; 1213, cylinder pin; 1214, electromagnetic reversing valve; 1215, accumulator; 1216, pressure sensor; 1217, Safety valve; 1218, proportional relief valve; 1219, one-way valve;
- Rocket carrier
- Rocket rear fulcrum support adjustment device
- Rotary pushing unit 1321, first connecting plate; 1322, second connecting plate; 1323, second rotary pin shaft; 1324, limit support block; 1325, drive cylinder;
- Pulling unit 1341, adjusting screw; 1342, first tie rod seat; 1343, second tie rod seat; 1344, adjusting nut; 1345, lock nut; 1346, positioning pin;
- Air conditioning pipeline 15. Liquid oxygen filling pipeline; 16. Methane filling pipeline; 17. Gas supply pipeline; 18. Operating platform; 19. Connector protection net;
- the present application provides a rocket erecting arm, which includes a erecting arm body 1, along the direction from the beginning to the end of the rocket supported by the erecting arm body 1, correspondingly,
- the front end of the erecting arm body 1 is provided with a rocket supporting and holding device 11, the middle of the erecting arm body 1 is provided with a rocket auxiliary hydraulic support device 12, and the rear end of the erecting arm body 1 is provided with a rocket rear fulcrum support adjustment device 13.
- the rocket support and hold device 11, the rocket auxiliary hydraulic support device 12, and the rocket rear fulcrum support adjustment device 13 constitute a three-point support for the rocket.
- the rocket supporting and holding device 11 is used to adjustably support and hold the front end of the supported rocket 8.
- the rocket auxiliary hydraulic support device 12 is used for reliable floating support for the middle of the supported rocket 8.
- the rocket rear fulcrum support adjustment device 13 is used to adjust the rear end of the rocket, and has the functions of rotation, horizontal and vertical fine-tuning, so as to realize the micro-rotation of the rocket when it is erected and the accurate positioning and docking of the rocket and the launch area. Adjustment.
- the rocket erecting arm provided in the present application can be placed on the self-propelled hydraulic axle car 2, and the supported rocket 8 is arranged on the top of the erecting arm body 1 along the length direction of the erecting arm body 1.
- the self-propelled hydraulic axle car 2 transfers the supported rocket to the launch pad 3 in the launch area through the rocket's vertical arm.
- the self-propelled hydraulic axle car 2 has an all-wheel steering function, which can minimize the turning radius; it also has a shock absorption function, which can reliably protect the arrow body.
- a revolving half seat 4 and a vertical cylinder support 5 are sequentially arranged on the ground close to the launch pad 3 from near to far.
- a erecting arm rotating shaft 6 is provided,
- the vertical arm rotating shaft 6 cooperates with the rotating half seat 4 so that the erecting arm body 1 can rotate around the rotating half seat 4 to facilitate erection.
- two erecting arm rotation shafts 6 are provided at one end of the erecting arm body 1 close to the tail end of the rocket.
- the two rising arm rotation shafts 6 are symmetrical with respect to the central vertical plane of the length direction of the rising arm body 1.
- the revolving half seat 4 adopts a concave half seat structure. Along the horizontal radial direction of the rocket transported to the vicinity of the launch pad 3, two revolving halves 4 are provided.
- the erection assembly 7 includes a erection cylinder 71, a erection cylinder adjustment device 72 and a erection cylinder pin 73.
- the erection cylinder 71 is limited to the two sides of the width direction of the erection arm body 1 by the erection cylinder adjustment device 72.
- the upper fulcrum of the erecting cylinder 71 is hinged with the erecting arm body 1, and the lower earring of the erecting cylinder 71 is hinged with the erecting cylinder support 5 through the erecting cylinder pin 73.
- the erecting cylinder adjusting device 72 is used for pulling the erecting cylinder 71 so that the lower earring of the erecting cylinder 71 can be hinged with the erecting cylinder support 5.
- the erection cylinder 71 is connected to an external oil source through a hydraulic oil pipe.
- the erecting arm body 1 may adopt a concave cross-section truss structure.
- the supported rocket 8 can be placed in the groove of the erecting arm body 1 along the length direction of the erecting arm body 1, so that the overall height of the combination of the erecting arm body 1 and the rocket can be reduced.
- the erector arm body 1 is also provided with hard pipe pipelines such as an air conditioning pipeline 14, a liquid oxygen filling pipeline 15, a methane filling pipeline 16, and a gas supply pipeline 17, which can be It is arranged in the groove of the vertical arm body 1, and is connected to the filling connector of the rocket through a hose.
- hard pipe pipelines such as an air conditioning pipeline 14, a liquid oxygen filling pipeline 15, a methane filling pipeline 16, and a gas supply pipeline 17, which can be It is arranged in the groove of the vertical arm body 1, and is connected to the filling connector of the rocket through a hose.
- An operating platform 18 is also provided on the erecting arm body 1, which is convenient for the operator to board the operating platform 18 to inspect the key parts of the rocket in the horizontal and erect state. In the upright state of the rocket, the operator can reach the operating platform 18 through the aerial work vehicle.
- the vertical arm body 1 is also provided with a connector protection net 19, which is used to prevent the captured rocket filling connector from rebounding.
- An arrow foot support plate 31 is provided on the launch pad 3, and the arrow foot support plate 31 is used for docking with the arrow foot of the rocket to realize the support of the rocket.
- a wind-proof pressing device 32 is also provided on the launch pad 3.
- the windproof pressing device 32 is used for pressing the arrow foot.
- the rocket supporting and holding device 11 includes a supporting component and a holding component, wherein the supporting component is used to support the rocket, and is arranged at the bottom of the erecting arm body 1 along the horizontal radial direction of the supported rocket;
- the holding components are arranged above the two sides of the erecting arm body 1 and are used to hold the rocket tightly.
- the supporting assembly may be arranged at the bottom of the concave section of the erecting arm body 1 along the horizontal radial direction of the supported rocket, and the holding assembly may be arranged above both sides of the concave section of the erecting arm body 1.
- the supporting assembly includes a bracket 111, a rotating unit 112, a guide unit 113 and a driving unit 114.
- the bracket 111 is disposed on the rotating unit 112, and the rotating unit 112 is used to drive the bracket 111 to rotate horizontally by a preset angle to adapt to the rotational displacement of the rocket around the rear fulcrum.
- the rotation unit 112 is arranged on the guide unit 113 and the drive unit 114.
- the guide unit 113 is arranged at the bottom end of the concave section of the erecting arm body 1 along the radial direction of the supported rocket, and is used to align the bracket 111 along the radial direction of the supported rocket. The movement is guided.
- the driving unit 114 is used for driving the bracket 111 to move along the radial direction of the rocket supported by the rotating unit 112 to adjust the position deviation of the bracket 111 and the rocket supported by it.
- the rotating unit 112 includes a rotating shaft 1121, a supporting plate 1122 and a limiting block 1123.
- the bracket 111 is connected to the support plate 1122 through a rotating shaft 1121.
- Two rotation shafts 1121 are provided, and the center axis perpendicular to the direction of the support plate 1122 is taken as the symmetry axis.
- the two rotation shafts 1121 are symmetrically provided on the support plate 1122.
- the limiting block 1123 is arranged between the bottom end of the bracket 111 and the supporting plate 1122, and the central axis of the limiting block 1123 in the height direction coincides with the central axis perpendicular to the direction of the bracket 111 and the supporting plate 1122 at the same time.
- the limit block 1123 is used to limit the limit position of the horizontal rotation of the bracket 111 and prevent the bracket 111 from tilting to one side.
- the guide unit 113 includes a guide rail 1131, a slider 1132 and a stop 1133.
- two guide rails 1131 are provided, and the two guide rails 1131 are provided in parallel at the bottom end of the concave section of the rising arm body 1 along the radial direction of the supported rocket 8.
- a sliding block 1132 is respectively provided on both sides of the bottom surface of the supporting plate 1122, and the sliding block 1132 is movably arranged on the guide rail 1131.
- Both ends of the guide rail 1131 are provided with stoppers 1133, and the stoppers 1133 are used to limit the maximum moving distance of the slider 1132 on the guide rail 1131 and prevent the support plate 1122 from exceeding the limit and causing danger.
- the driving unit 114 includes a screw rod 1141, a driving seat 1142 and a hydraulic motor 1143.
- the screw rod 1141 is arranged at the bottom end of the concave section of the erecting arm body 1 and is arranged in parallel between the two guide rails 1131.
- the bottom end of the support plate 1122 is connected to the screw 1141 through the drive seat 1142.
- the screw 1141 is connected to the hydraulic motor 1143.
- the hydraulic motor 1143 is used to drive the screw 1141 to rotate.
- the screw 1141 drives the support plate 1122 on the guide rail 1131 through the drive seat 1142. Move upward to adjust the position deviation of the bracket 111 and the rocket supported by it.
- the holding assembly includes a holding arm unit 115 and a power unit 116.
- the two holding arm units 115 are arranged opposite to each other on both sides of the concave section of the erecting arm body 1, and are used for holding the upper half of the rocket.
- the power unit 116 is used to provide power to the arm unit 115, so that the two arm units 115 can be folded and then hug the rocket, or the two arm units 115 can be deployed and then the rocket can be released.
- the arm holding unit 115 includes a large holding arm 1151, a first holding tong 1152, a small holding arm 1153, and a second holding tong 1154.
- the inner side of the big arm 1151 is connected with the first holding clamp 1152 through a pin.
- One end of the big arm 1151 is connected with the erecting arm body 1 through a pin, and the other end is connected with one end of the small arm 1153 through a pin.
- the other end of the holding arm 1153 is connected with a second holding clamp 1154 through a pin.
- the arcs of the holding surfaces of the first holding tongs 1152 and the second holding tongs 1154 match the arc of the rocket's circumference.
- the power unit 116 includes a first oil cylinder 1161 and a second oil cylinder 1162.
- One end of the first oil cylinder 1161 is connected with the erecting arm body 1 and the other end is connected with the large arm 1151.
- the first oil cylinder 1161 is used to drive the large arm 1151.
- One end of the second oil cylinder 1162 is connected with the large arm 1151, and the other end is connected with the small arm 1153.
- the second oil cylinder 1162 is used to drive the small arm 1153. Under the action of the extension force of the first cylinder 1161 and the second cylinder 1162, the large holding arm 1151 holds the rocket through the first holding clamp 1152, and the small holding arm 1153 holds the rocket through the second holding clamp 1154.
- the lower part of the rocket is supported by the bracket 111, and the upper part of the rocket is hugged by the large arms 1151 and the small arms 1153.
- the surface of the rocket is stressed at multiple points, so that the rocket can be reliably supported and held tightly.
- first oil cylinder 1161 and the second oil cylinder 1162 can also be replaced by air cylinders and electric cylinders to drive the large arms 1151 and the small arms 1153.
- the rocket auxiliary hydraulic support device 12 includes a hydraulic system 121, a guide support cylinder 122, an elastic support assembly 123 and a rocket carrier 124.
- the hydraulic system 121 is used to drive the guide support cylinder 122 to generate vertical support force.
- An elastic support assembly 123 is arranged above the guide support cylinder 122, and a rocket bracket 124 is arranged above the elastic support assembly 123.
- the elastic support assembly 123 The rocket carrier 124 is used for floating support, and the rocket carrier 124 is used for supporting the rocket 8.
- the guide support cylinder 122 is connected with the erecting arm body 1 through the lower end flange.
- the hydraulic system 121 includes a hydraulic cylinder, a power component, and an oil source (not shown in the figure).
- the oil source provides hydraulic oil for the power assembly
- the power assembly is connected to the hydraulic cylinder through a rod cavity oil pipe and a rodless cavity oil pipe.
- the hydraulic cylinder is connected to the guide support cylinder 122 and is used to drive the guide support cylinder 122 to generate vertical support force.
- the hydraulic cylinder includes a hydraulic cylinder barrel 1210, a hydraulic cylinder rod 1211, a stroke limit sleeve 1212, and a cylinder pin 1213.
- the hydraulic cylinder rod 1211 is slidably arranged in the hydraulic cylinder barrel 1210, and the stroke limit sleeve 1212 is sleeved on the hydraulic cylinder rod 1211 along the length direction of the hydraulic cylinder rod 1211, which is used to limit the hydraulic cylinder rod 1211 in the hydraulic cylinder barrel 1210. stroke.
- the top end of the hydraulic cylinder rod 1211 is connected with the guide support cylinder 122 through the cylinder pin 1213.
- the diameter of the stroke limit sleeve 1212 is less than or equal to the diameter of the bottom of the hydraulic cylinder rod 1211 and greater than the diameter of the middle of the hydraulic cylinder rod 1211.
- the stroke limit sleeve 1212 can be sleeved in the middle of the hydraulic cylinder rod 1211 to limit the stroke of the hydraulic cylinder rod 1211 in the hydraulic cylinder barrel 1210 by preventing the bottom of the hydraulic cylinder rod 1211.
- the power components include electromagnetic reversing valve 1214, accumulator 1215, pressure sensor 1216, safety valve 1217, proportional relief valve 1218 and one-way valve 1219.
- the oil source is connected to the oil inlet cavity P of the electromagnetic reversing valve 1214 through the one-way valve 1219, and the oil return cavity T of the electromagnetic reversing valve 1214 is connected to the oil tank.
- the first working oil chamber A of the electromagnetic directional valve 1214 is connected to the rodless cavity of the hydraulic cylinder through a rodless cavity oil pipe
- the second working oil cavity B of the electromagnetic directional valve 1214 is connected to the rodless cavity of the hydraulic cylinder through a rod cavity oil pipe and the rod cavity of the hydraulic cylinder. connection.
- An accumulator 1215 and a pressure sensor 1216 are connected to the connecting pipeline of the one-way valve 1219 and the oil inlet chamber P of the electromagnetic reversing valve 1214.
- a safety valve 1217 and a proportional relief valve 1218 are connected in parallel between the connecting pipeline of the one-way valve 1219 and the oil inlet chamber P of the electromagnetic reversing valve 1214 and the connecting pipeline of the oil tank and the oil return chamber T of the electromagnetic reversing valve 1214. .
- the hydraulic oil When the electromagnetic reversing valve 1214 is de-energized, the hydraulic oil enters the rod cavity and the rodless cavity of the hydraulic cylinder through the one-way valve 1219, and the hydraulic oil also enters the accumulator 1215, and the hydraulic cylinder is in a differential connection state. Under the action of the accumulator 1215, the power assembly has a certain support force compensation capability.
- the safety valve 1217 is used to limit the maximum pressure of the power assembly, that is, to limit the ejection force of the hydraulic cylinder, and prevent damage to the arrow body due to excessive ejection force.
- the proportional relief valve 1218 is used to control the pressure change of the power component in real time, and the pressure sensor 1216 is used to detect the pressure of the power component in real time.
- the electromagnetic reversing valve 1214 is energized, the oil in the accumulator 1215 enters the rod cavity of the hydraulic cylinder through the rod cavity pipe of the hydraulic cylinder, and the oil from the rodless cavity passes through the rodless cavity pipe of the hydraulic cylinder Road flows back to the fuel tank.
- the guide support cylinder 122 includes a guide support cylinder tube 1221, a guide support cylinder rod 1222, a cylinder rod stop block 1223, and a drive cylinder seat 1224.
- the guide support cylinder rod 1222 is slidably arranged in the guide support cylinder tube 1221, and the guide support cylinder rod 1222 moves up and down under the drive of the hydraulic cylinder.
- two cylinder rod limit blocks 1223 are arranged oppositely between the outer wall of the guide support cylinder rod 1222 and the inner wall of the guide support cylinder 1221, which are used to limit the guide support cylinder rod 1222.
- Rotational movement The driving cylinder base 1224 is fixedly arranged at the bottom of the guiding and supporting cylinder rod 1222.
- the drive cylinder base 1224 is connected to the hydraulic cylinder rod 1211 through the cylinder pin 1213.
- a through hole is provided on the side wall of the guiding and supporting cylinder tube 1221. Through the through hole, the cylinder pin 1213 can be installed or adjusted.
- the elastic support assembly 123 includes a limit bracket 1231, a flange support 1232, a bracket revolving seat 1233, a spring mounting seat 1234, and a limit support spring 1235.
- the limit bracket 1231 is arranged above the guide support cylinder 122, and a flange support 1232 is fixedly arranged at the center thereof, and the flange support 1232 is fixedly connected to the guide support cylinder rod 1222 by bolts.
- the flange support 1232 is connected to the bracket revolving base 1233 through the first revolving pin 1236.
- the spring mounting seat 1234 is fixedly arranged on the top surface of the limiting bracket 1231 and is located between the limiting bracket 1231 and the top plate of the bracket revolving seat 1233.
- the limit support spring 1235 is arranged in the spring mounting seat 1234, and the spring mounting seat 1234 is used to guide the limit support spring 1235.
- One end of the limit support spring 1235 is fixedly connected with the spring mounting seat 1234, and the other end is in contact with the top plate of the bracket revolving seat 1233.
- the limit support spring 1235 is used to limit the free movement of the rocket carrier 124 in the vertical direction.
- a spring limit block 1237 is provided at a position corresponding to the limit support spring 1235.
- the limit bracket 1231 and the flange support 1232 can also be integrally formed.
- two limit support springs 1235 are provided. Along the length of the rocket carrier 124, the vertical axis of the limit support 1231 is taken as the axis of symmetry. The two limit support springs 1235 are symmetrical. Set on the limit bracket 1231.
- a felt pad is provided on the upper supporting surface of the rocket carrier 124.
- the rocket rear fulcrum support adjustment device 13 includes a rotary support 131, a rotary pushing unit 132, a supporting unit 133 and a pulling unit 134.
- the rotary pushing unit 132 is arranged between the rotary support 131 and the erecting arm body 1, and is used to push the rotary support 131 to rotate after the rocket is supported by the launch pad 3 to allow the rocket to take off space and realize the rocket rear Quick disassembly of the support.
- the supporting unit 133 is arranged on the revolving support 131 and is used to support the rear fulcrum of the rocket.
- the pulling unit 134 is connected to the rotating support 131 and the supporting unit 133. During the rocket erection process, the support of the supporting unit 133 of the rocket is gradually converted into the pulling of the rocket by the pulling unit 134.
- the rotation pushing unit 132 includes a first connecting plate 1321, a second connecting plate 1322, a second rotating pin 1323, a limit support block 1324 and a driving cylinder 1325.
- the first connecting plate 1321 is arranged on the erecting arm body 1
- the second connecting plate 1322 is arranged on the end surface of the rotating support 131 close to the erecting arm body 1.
- the first connecting plate 1321 and the second connecting plate 1322 are used in a pair, and are hinged through the second pivot pin 1323.
- the limit support block 1324 is arranged between the vertical arm body 1 and the bottom surface of the revolving support 131, and is used for positioning the position of the revolving support 131.
- the driving cylinder 1325 is used to drive the rotary support 131 to rotate around the second rotary pin 1323 toward or away from the rocket supported on the erecting arm body 1.
- the driving cylinder 1325 may be a driving oil cylinder or a driving hydraulic cylinder.
- the supporting unit 133 includes a supporting lifting cylinder and an end journal seat.
- One end of the supporting lifting cylinder is fixedly connected to the vertical arm body 1, and the other end thereof is fixedly connected to the end journal seat.
- the supporting lifting cylinder and the end journal seat are arranged in a T-shape, that is, the central axis of the supporting lifting cylinder along its length direction is perpendicular to the central axis of the end journal seat along its length direction.
- the support lift cylinder is used to adjust the displacement of the end journal seat along the length direction of the support lift cylinder.
- the end journal seat is used to support the rocket along the width direction of the erecting arm body 1.
- the supporting lifting cylinder includes a supporting cylinder 1331, a lifting screw 1332, a scroll bar 1333, a turbine 1334 and a lifting cylinder rod 1335. among them,
- the end of the supporting cylinder 1331 connected with the erecting arm body 1 is provided with a threaded blocking cover.
- the lifting screw 1332 is rotatably arranged in the supporting cylinder 1331.
- the end of the lifting screw 1332 close to the thread plugging cap is provided with a deep groove ball bearing.
- a retaining ring is arranged between the deep groove ball bearing and the thread plugging cap. The retaining ring faces the deep groove The ball bearing is limited.
- a limit nut is arranged above the deep groove ball bearing, and a turbine 1334 is arranged above the limit nut.
- the turbine 1334 is connected to the lifting screw 1332 through a flat key.
- One end of the worm 1333 passes through the supporting cylinder 1331 and is connected to the turbine 1334.
- the limit nut cooperates with the step on the lifting screw 1332 to compress and position the turbine 1334 on the lifting screw 1332.
- thrust bearings are provided at the top and bottom ends of the turbine 1334, and the thrust bearings are used to bear the forces of the lifting cylinder rod 1335 in both the up and down directions.
- a limit baffle is arranged above the thrust bearing, and the limit baffle is used to limit the movement of the lifting screw 1332 in a direction away from the vertical arm body 1.
- the opposite end of the lifting screw 1332 close to the end of the threaded plugging cap is connected with one end of the lifting cylinder rod 1335 through threads, and the end of the lifting cylinder rod 1335 is slidably arranged in the supporting cylinder 1331.
- the supporting cylinder tube 1331 is provided with a threaded plugging cap.
- the opposite end is provided with a first supporting flange cover.
- the first supporting flange cover is provided with a through hole.
- the inner wall of the through hole is provided with a guide belt. One end passes through the through hole and is connected to the end journal seat through a transition flange. Among them, the guide belt is used to support and guide the lifting cylinder rod 1335.
- a first guide groove is provided on the inner wall of the supporting cylinder 1331 between the limit baffle and the first supporting flange cover.
- the end journal seat includes a seat tube 1336, a driving screw 1337, a hand wheel 1338, and a supporting cylinder rod 1339.
- the seat tube 1336 is fixedly arranged at the top end of the supporting lift cylinder, and is consistent with the horizontal and radial direction of the rocket after being supported.
- the seat tube 1336 is connected to the lifting cylinder rod 1335 through a transition flange.
- a supporting flange is provided at one end of the seat tube 1336 away from the supported rocket 8.
- One end of the drive screw 1337 is located outside the seat tube 1336 and is connected to the hand wheel 1338, and the other end passes through the supporting flange and is threadedly connected to one end of the support cylinder rod 1339 in the seat tube 1336.
- the driving screw 1337 is rotated by the hand wheel 1338, and the rotation of the driving screw 1337 can drive the supporting cylinder rod 1339 to make a telescopic movement in the seat tube 1336.
- a tapered roller bearing is arranged between the inner wall of the supporting flange and the driving screw 1337.
- the tapered roller bearings are arranged in pairs and installed back to back to support and guide the driving screw 1337.
- a limit nut is arranged on the side of the tapered roller bearing close to the hand wheel 1338, and the limit nut is matched with the step on the driving screw 1337, and the tapered roller bearing is fixedly connected to the driving screw 1337.
- a protective cover is provided on the side of the limiting nut close to the hand wheel 1338, and the protective cover is fixedly connected to the seat tube 1336, which is used to protect the limiting nut, tapered roller bearing, etc. in the seat tube 1336.
- a backing plate is provided between the restriction nut and the tapered roller bearing along the length direction of the driving screw 1337.
- the seat tube 1336 is provided with a second supporting flange cover at one end close to the supported rocket 8.
- the opposite end of the connecting end of the supporting cylinder rod 1339 and the driving screw rod 1337 passes through the second supporting flange cover and is connected to the end journal.
- a second guide groove is provided on the inner wall of the seat tube 1336 between the support flange and the second support flange cover, and the second guide groove is provided in the second guide groove.
- a compression cover is provided at one end of the supporting cylinder rod 1339 connected with the end journal.
- the compression cover adopts a cylindrical structure with a side wall that can be opened and closed.
- the pulling unit 134 includes an adjusting screw 1341, a first tie rod seat 1342, a second tie rod seat 1343, an adjusting nut 1344 and a lock nut 1345.
- one end of the adjusting screw 1341 is connected to the rotary support 131 through the first tie rod seat 1342, and the other end is connected to the end journal seat through the second tie rod seat 1343.
- the adjusting screw 1341 is sleeved with an adjusting nut 1344 and a locking nut 1345. By rotating the adjusting nut 1344, the length of the adjusting screw 1341 can be changed.
- the adjusting screw 1341 is adjusted to a preset length, the adjusting screw 1341 can be locked by the locking nut 1345 so that the length of the adjusting screw 1341 does not change.
- the first tie rod seat 1342 is fixedly connected to the rotary support 131 through a positioning pin 1346.
- the support lifting cylinder drives the end journal seat to lift and lower, and the adjusting screw 1341 pulls the end journal seat through the second tie rod seat 1343 to adapt to the different height positions of the end journal seat support.
- the end journal seat has a certain level of adjustment capability, which can drive the rocket to adjust the position in the horizontal direction.
- the rocket supporting and holding device 11 As shown in Figure 1, during the transportation of the rocket, the rocket supporting and holding device 11, the rocket auxiliary hydraulic supporting device 12 and the rocket rear fulcrum support adjusting device 13 reliably support the rocket body; the holding in the rocket supporting and holding device 11 The components tightly hug the rocket body to limit the degree of freedom of the rocket; the erecting component 7 is transported together with the erecting arm body 1.
- the erection cylinder adjustment device 72 drives the erection cylinder 71 to slowly descend, and cooperates with the lifting movement of the self-propelled hydraulic axis car 2, so that the lower earring of the erection cylinder 71 is concentric with the hole of the erection cylinder support 5, and then the erection cylinder 71 is manually inserted
- the pin shaft 73 completes the docking of the erecting cylinder 71 and the erecting cylinder support 5.
- the erecting cylinder 71 is connected to an oil source through a hydraulic oil pipe, and other pipes on the erecting arm body 1 that need to be driven hydraulically are connected.
- the hydraulic system controls the erection oil cylinder 71 to slowly extend, and the erection arm body 1 is slowly erected under the push of the erection oil cylinder 71.
- the erecting arm body 1 Since the force of the erecting arm body 1 is converted from the original self-propelled hydraulic axis car 2 to the support of the erecting arm rotary shaft 6 and the erecting cylinder 71, the erecting arm body 1 will be deformed to a certain extent. At this time, the rocket It will rotate slightly counterclockwise around the rear fulcrum, and the rocket auxiliary hydraulic support device 12 will adjust the size of the support force in real time, overcome the deformation influence of the vertical arm body 1, and meet the support force requirements of the rocket. At the same time, the rocket auxiliary hydraulic support device 12 is also set with a maximum force limit to prevent overload.
- the supporting force of the rocket auxiliary hydraulic support device 12 is adjusted in real time according to the theoretically required force to prevent uneven loading of the rocket. Finally, after the rocket is erected to an upright position, the entire weight of the rocket is carried by the support and adjustment device 13 for the rear fulcrum of the rocket.
- the erecting arm body 1 slowly reaches the vertical state with the rocket. Due to the certain positional deviation of the vertical arm body 1, the launch pad 3, and the revolving half seat 4, the arrow foot of the rocket cannot be accurately aligned with the arrow foot support plate 31 on the launch pad 3 after the rocket is erected, so it needs to pass through the rear fulcrum of the rocket.
- the support adjustment device 13 slowly adjusts the position of the rocket foot, and matches the lifting action of the arrow foot support plate 31 to accurately align the receiving arrow foot. Then, the wind-proof pressing device 32 starts to move, pressing the arrow foot, so far the rocket support is changed to being supported by the launch pad 3.
- the wind-proof pressing device 32 is unlocked, and the last item is released from the restraint of the rocket.
- the rocket filling connector is unlocked, and the erecting cylinder 71 retracts to drive the erector arm body 1 to fall backwards quickly, and at the same time, it drives the connector cable to move.
- the rocket filling connector is at the dual of pulling force and gravity. Under the action, avoid the space of the rocket's take-off drift.
- the connector protective net 19 provided on the vertical arm body 1 can prevent the rocket filling connector from rebounding after capturing the rocket filling connector, and avoid interference and collision between the rocket filling connector and the rocket that is taking off.
- the self-propelled hydraulic axis car 2 travels to the predetermined location, the vertical arm body 1 is folded back to a horizontal state, the slewing seat cover 41 is released, the vertical cylinder pin 73 is pulled out, and the vertical cylinder adjustment device is used 72 pulls up the erecting cylinder 71; the self-propelled hydraulic axis car 2 slowly rises so that the vertical arm rotary shaft 6 is higher than the recess of the revolving half seat 4; the self-propelled hydraulic axis car 2 drives with the vertical arm body 1 Leave the launch area and return to the technical workshop to complete the entire launch process.
- the use of the rocket erecting arm of the present application can realize the safe transfer and erection of the medium-sized liquid rocket under the "three-level" test and launch mode, avoid the additional force generated on the rocket due to the structural deformation of the erector arm body 1, and realize the rocket's transfer and
- the multi-degree-of-freedom adjustment of the rocket during the docking process effectively reduces the difficulty of docking and adjustment when the rocket is reloaded.
- it can reliably erect the rocket after reaching the launch station, so that the rocket can be docked with the launch pad 3 to provide air for air conditioning, Filling and gas supply pipelines provide installation space.
- the rocket erecting arm of this application omits the umbilical arm of the traditional fixed launching tower.
- the 0s fast backward movement of the rocket erecting arm of this application effectively avoids the space of the rocket's take-off drift, and at the same time realizes the injection of connectors for the rocket Pull off and protect.
- the rocket erecting arm of the present application integrates multiple functions, which can greatly shorten the launch time of the rocket and improve the launch efficiency.
Abstract
Description
Claims (12)
- 一种火箭起竖臂,其特征在于,包括起竖臂本体,沿所述起竖臂本体的长度方向,在所述起竖臂本体上依次设置有火箭支撑抱紧装置、火箭辅助液压支撑装置和火箭后支点支撑调整装置;所述火箭支撑抱紧装置用于对被支撑火箭的前端进行可调整地支撑和抱紧,所述火箭辅助液压支撑装置用于对被支撑火箭的中部进行浮动支撑;所述火箭后支点支撑调整装置用于对火箭的后端进行可调整地支撑,还用于对火箭起竖时的转动以及火箭与发射台的定位对接进行调整。
- 根据权利要求1所述的火箭起竖臂,其特征在于,所述火箭支撑抱紧装置包括支撑组件和抱紧组件,所述支撑组件用于对火箭进行支撑,其沿所支撑火箭的水平径向设置在所述起竖臂本体的底部;所述抱紧组件设置在所述起竖臂本体两侧的上方,其用于对火箭进行抱紧;所述支撑组件包括托座、旋转单元、导向单元和驱动单元;所述托座设置在所述旋转单元上,所述旋转单元用于带动所述托座水平旋转预设角度;所述旋转单元设置在所述导向单元和驱动单元上,所述导向单元沿所支撑火箭的水平径向设置在所述起竖臂本体的底部,其用于对所述托座沿所支撑火箭水平径向的移动进行导向;所述驱动单元用于通过所述旋转单元驱动所述托座沿所支撑火箭的径向进行移动。
- 根据权利要求2所述的火箭起竖臂,其特征在于,所述抱紧组件包括抱臂单元和动力单元,两个所述抱臂单元相对设置在所述起竖臂本体两侧的上方,其用于抱住火箭的上半部分;所述动力单元用于为所述抱臂单元提供动力,使得两个所述抱臂单元通过收拢抱住火箭;所述抱臂单元包括大抱臂、第一抱钳、小抱臂和第二抱钳;所述大抱臂的内侧连接有所述第一抱钳,所述大抱臂的一端与所述起竖臂本体连接,其另一端与所述小抱臂的一端连接,所述小抱臂的另一端连接有所述第二抱钳;所述动力单元包括第一油缸和第二油缸,所述第一油缸的一端与所述起竖臂本体连接,另一端与所述大抱臂连接,所述第一油缸用于驱动所述大抱臂;所述第二油缸的一端与所述大抱臂连接,另一端与所述小抱臂连接,所 述第二油缸用于驱动所述小抱臂。
- 根据权利要求1或2或3所述的火箭起竖臂,其特征在于,所述火箭辅助液压支撑装置包括液压系统、导向支撑缸、弹性支撑组件和火箭托架;所述液压系统用于驱动所述导向支撑缸产生竖直方向的支撑力;所述导向支撑缸的上方设置有弹性支撑组件,所述弹性支撑组件的上方设置有火箭托架,所述弹性支撑组件用于浮动支撑所述火箭托架,所述火箭托架用于支撑火箭;所述弹性支撑组件包括限位支架、法兰支座、托架回转座、弹簧安装座和限位支撑弹簧;所述限位支架设置在所述导向支撑缸的顶部,其中心处设置有所述法兰支座;所述法兰支座通过第一回转销轴与所述托架回转座连接;所述弹簧安装座固定设置在所述限位支架的顶面上,且位于所述限位支架与托架回转座的顶板之间;所述限位支撑弹簧设置在所述弹簧安装座内,所述弹簧安装座用于对所述限位支撑弹簧进行导向;所述限位支撑弹簧的一端与所述弹簧安装座固定连接,另一端与所述托架回转座的顶板接触;所述限位支撑弹簧用于限制所述火箭托架在竖直方向上的自由运动。
- 根据权利要求4所述的火箭起竖臂,其特征在于,所述液压系统包括液压缸、动力组件和油源;所述油源为所述动力组件提供液压油,所述动力组件通过有杆腔油管和无杆腔油管与所述液压缸连接,所述液压缸与导向支撑缸连接;所述液压缸包括液压缸筒、液压缸杆、行程限位套和油缸销轴;所述液压缸杆滑动设置在所述液压缸筒中,所述行程限位套沿所述液压缸杆的长度方向套设在所述液压缸杆上,其用于限制所述液压缸杆在所述液压缸筒中的行程;所述液压缸杆的顶端通过所述油缸销轴与所述导向支撑缸连接。
- 根据权利要求5所述的火箭起竖臂,其特征在于,所述动力组件包括电磁换向阀、蓄能器、压力传感器、安全阀、比例溢流阀和单向阀;油源通过所述单向阀与所述电磁换向阀的进油腔连接,所述电磁换向阀的回油腔与油箱连接;所述电磁换向阀的第一工作油腔通过无杆腔油管与所述液压缸的无杆腔连接,所述电磁换向阀的第二工作油腔通过有杆腔油管与所述液压缸的有杆腔连接;所述单向阀与电磁换向阀的进油腔的连接管路上连接有蓄能器和压力传感器,在所述单向阀与电磁换向阀的进油腔的连接管路和油箱与所述电磁换向阀的回油腔的连接管路之间并联有安全阀和比例溢流阀。
- 根据权利要求1或2或3所述的火箭起竖臂,其特征在于,所述火箭后支点支撑调整装置包括回转支座、旋转推动单元、支撑单元和牵拉单元;其中,所述旋转推动单元设置在所述回转支座与起竖臂本体之间,其用于在火箭转由发射台支撑后,推动所述回转支座旋转以让开火箭起飞空间;所述支撑单元设置在所述回转支座上,其用于对火箭的后支点进行支撑;所述牵拉单元与回转支座和支撑单元连接,在火箭起竖过程中,所述支撑单元对火箭的支撑逐步转换为所述牵拉单元对火箭的牵拉。
- 根据权利要求7所述的火箭起竖臂,其特征在于,所述旋转推动单元包括第二回转销轴、限位支撑块和驱动缸;其中,所述回转支座通过所述第二回转销轴与所述起竖臂本体铰接,所述限位支撑块用于对所述回转支座的位置进行定位,所述驱动缸用于驱动所述回转支座绕所述第二回转销轴旋转。
- 根据权利要求7所述的火箭起竖臂,其特征在于,所述支撑单元包括支撑升降缸和端轴颈座,所述支撑升降缸的一端与所述起竖臂本体固定连接,其另一端与所述端轴颈座固定连接;所述支撑升降缸沿其长度方向的中轴线与所述端轴颈座沿其长度方向的中轴线垂直,所述支撑升降缸用于调节所述端轴颈座沿所述支撑升降缸的长度方向的位移,所述端轴颈座用于沿所述起竖臂本体的宽度方向对火箭进行支撑。
- 根据权利要求7所述的火箭起竖臂,其特征在于,所述牵拉单元包 括调节螺杆、第一拉杆座和第二拉杆座;其中,所述调节螺杆的一端通过所述第一拉杆座与回转支座连接,另一端通过所述第二拉杆座与端轴颈座连接;所述调节螺杆上套设有调节螺母和锁紧螺母。
- 根据权利要求1或2或3所述的火箭起竖臂,其特征在于,在所述起竖臂本体靠近被支撑火箭尾端的一端,设置有起竖臂回转轴;所述起竖臂回转轴与靠近发射台的地面上设置的回转半座配合,使所述起竖臂本体能够绕着所述回转半座回转;位于所述起竖臂本体上,在靠近所述火箭后支点支撑调整装置的位置处设置有起竖组件,所述起竖组件与靠近发射台的地面上设置的起竖油缸支座配合,用于推动所述起竖臂本体起竖。
- 根据权利要求11所述的火箭起竖臂,其特征在于,所述起竖组件包括起竖油缸、起竖油缸调整装置和起竖油缸销轴;所述起竖油缸通过所述起竖油缸调整装置限位于所述起竖臂本体宽度方向的两侧,所述起竖油缸的上支点与所述起竖臂本体铰接,所述起竖油缸的下耳环通过所述起竖油缸销轴与所述起竖油缸支座铰接;所述起竖油缸调整装置用于牵拉所述起竖油缸,以使所述起竖油缸的下耳环能够与所述起竖油缸支座铰接。
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