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CN-122009006-A - Large-diameter liquid rocket transporting device and transporting method thereof

CN122009006ACN 122009006 ACN122009006 ACN 122009006ACN-122009006-A

Abstract

The invention relates to a large-diameter liquid rocket transporting device and a transporting method thereof, belonging to the technical field of carrier rocket highway transportation. Comprises a transportation frame, a steering assembly, a suspension assembly, a front transportation blanking cover and a rear transportation blanking cover. The transportation frame comprises a front frame body, a connecting frame and a rear frame body, wherein the connecting frame is higher than the front frame body and the rear frame body, so that the whole transportation frame is in an arch structure. The suspension assembly comprises a suspension swing arm, a damper, a suspension air bag and an air bag bracket, and can realize height adjustment and shock absorption and buffering. The steering assembly is provided with two groups, and the two groups of steering assemblies respectively control the independent steering of the transport wheels on the front and rear frame bodies, and realize the same-direction or reverse steering strategy according to the size of the curve. The front transportation blanking cover integrates a lifting point interface and a transportation supporting shaft, and the rear transportation blanking cover is provided with an adjustable tail spray cover to protect the engine spray pipe. The invention solves the technical problems of longitudinal slope trafficability, height limiting adaptability, turning flexibility and the like in the large-diameter liquid rocket road transportation.

Inventors

  • LI YUNLONG
  • WU HUI
  • QIU LIANFANG
  • SHEN CHAO
  • CHEN YULIANG
  • XU HUA
  • Ju long
  • DAI ZHENG
  • ZHANG XIAODONG
  • ZHANG CHANGWU
  • ZHANG DAN
  • WU ZHOUPING

Assignees

  • 蓝箭航天空间科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (10)

  1. 1. A large diameter liquid rocket transporting device, comprising: a transport frame (1) on which a plurality of transport wheels (2) are arranged; the steering assembly (3) is arranged on the conveying frame (1) and is in transmission connection with the conveying wheels (2); the plurality of suspension assemblies (4) are respectively and correspondingly arranged at the positions of the transport wheels (2) and are used for adjusting the height of the transport frame; The front transportation blanking cover (5) is used for being installed on the front end face of a rocket and comprises a front inner frame (51), a front outer frame (52), front connecting ribs (53), a front connecting plate (54) and a front connecting shaft (55), wherein the front inner frame (51) and the front outer frame (52) are arranged in parallel, the front connecting ribs (53) are fixedly arranged between the front inner frame (51) and the front outer frame (52), the front connecting plate (54) is arranged between the front inner frame (51) and the front outer frame (52) in two opposite sides, the two front connecting shafts (55) are fixedly arranged on the two front connecting plates (54) respectively, the axes of the two front connecting shafts are in the same straight line, two front fixing seats (14) are arranged on the opposite sides of the transportation frame (1), and the two front connecting shafts (55) are respectively embedded in the front fixing seats (14) on the transportation frame (1); The rear transportation blanking cap (6) is used for being mounted on the end face of an engine of a rocket and comprises a rear outer frame (61), a rear inner frame (62), rear connecting ribs (63), a tail spray cover (64) and a tail spray pull rod (65), wherein the rear outer frame (61) and the rear inner frame (62) are arranged in parallel, the rear connecting ribs (63) are arranged between the rear outer frame (61) and the rear inner frame (62), the tail spray cover (64) is provided with a plurality of tail spray covers and is arranged corresponding to the engine spray pipe, the length of the tail spray pull rod (65) is adjustable, the tail spray pull rod (65) is provided with a plurality of tail spray covers, one end of each tail spray pull rod is fixed to the rear inner frame (62), and the other end of each tail spray pull rod is fixed to the tail spray cover (64).
  2. 2. A large diameter liquid rocket transporting device according to claim 1, comprising a front frame body (11), a connecting frame (12) and a rear frame body (13) which are connected with each other, wherein a plurality of transporting wheels (2) are arranged on the front frame body (11) and the rear frame body (13).
  3. 3. A large diameter liquid rocket transporting device according to claim 2, wherein the height of the connecting frame (12) is higher than the height of the front frame body (11) and the rear frame body (13), so that the transporting frame (1) is in an arch structure as a whole, and the height of the connecting frame (12) is higher than the height of the front frame body (11) and the rear frame body (13) by 10cm to 40cm.
  4. 4. A large diameter liquid rocket transporting device according to claim 1, wherein said front transporting plug (5) further comprises a reinforcing rod (56), both ends of said reinforcing rod (56) are respectively fixedly provided on the front connecting plates (54) on both sides, and the axis of said reinforcing rod (56) is on the same straight line with the axis of the front connecting shafts (55) on both sides.
  5. 5. A large diameter liquid rocket transporting device according to claim 1, wherein said suspension assembly (4) comprises a suspension swing arm (41), a damper (42), a suspension air bag (43) and an air bag bracket (44), one end of said suspension swing arm (41) is hinged to the transporting frame (1), said transporting wheel (2) is arranged on the suspension swing arm (41), said air bag bracket (44) is fixedly mounted on the transporting frame (1) and above the suspension swing arm (41), said suspension air bag (43) is mounted between the air bag bracket (44) and the suspension swing arm (41), and both ends of said damper (42) are connected to the air bag bracket (44) and the suspension swing arm (41), respectively.
  6. 6. The large-diameter liquid rocket transporting device according to claim 1, wherein the steering assemblies (3) are arranged in two groups, the steering assemblies are respectively arranged on a front frame body (11) and a rear frame body (13), each group of the steering assemblies (3) comprises an oil cylinder bracket (31), a steering oil cylinder (32), a steering lever (33), a steering tie rod (34) and a steering tie rod (35), the oil cylinder bracket (31) is fixedly arranged on the transporting frame (1), the steering lever (33) is hinged on the transporting frame (1), the steering oil cylinders (32) are respectively hinged on the oil cylinder bracket (31) at one ends and are respectively hinged on the steering lever (33) at the other ends, the steering tie rods (34) are respectively arranged on the transporting frame (1) in a sliding mode parallel to each other, the steering tie rods (34) are in transmission connection with the steering tie rods (33), one ends of the steering tie rods (35) are respectively in transmission connection with the steering tie rods (34), and the other ends of the steering tie rods (35) are hinged on the transporting wheels (2).
  7. 7. A method of transporting a large diameter liquid rocket using the transporting device according to any one of claims 1 to 6, comprising the steps of: s1, selecting a connecting frame (12) with corresponding length according to the length of a rocket, and respectively butt-jointing and assembling a front frame body (11) and a rear frame body (13) with the connecting frame (12) to form a complete transportation frame (1); S2, installing a front conveying blanking cover (5) and a rear conveying blanking cover (6), installing the front conveying blanking cover (5) on the sectional end face of the rocket, and installing the rear conveying blanking cover (6) on the engine end face of the rocket; S3, hoisting the rocket through the front transportation blanking cover (5) and the rear transportation blanking cover (6), and landing the rocket on the transportation frame (1); S4, locking a front connecting shaft (55) of a front conveying plug cover (5) with a front fixing seat (14) arranged on a conveying frame (1), fixing a rear conveying plug cover (6) on the conveying frame (1), and then installing a flexible package on the surface of a rocket body and fastening the rocket body with the conveying frame (1); and S5, in the transportation process, the ground clearance of the transportation frame (1) is adjusted in real time by adjusting the air bag pressure of the suspension assembly (4) according to road conditions, and the steering of the transportation wheels (2) is adjusted by controlling the steering assembly (3).
  8. 8. A method of transporting a large diameter liquid rocket according to claim 7, wherein step S1 specifically comprises: S11, hoisting the rear frame body (13) to a flat road surface; S12, selecting a connecting frame (12) with a corresponding length according to the length of a rocket, lifting the connecting frame (12) and butting the connecting frame with a rear frame body (13) through a wedge-shaped guide structure, inserting a plug pin, locking the plug pin by using a screw, and arranging a cushion block at the bottom of the connecting frame (12) for supporting so that the connecting frame (12) is horizontally and stably parked; S13, lifting the front frame body (11), horizontally and backwards butting the assembled connecting frame (12) and the rear frame body (13), butting through a wedge-shaped guide structure, inserting a plug pin and locking by using a screw; and S14, connecting the traction head with the front frame body (11), inflating an air bag of the suspension assembly (4) to lift the transportation frame (1), removing the support cushion blocks, and fixing the transportation bracket on the transportation frame (1) according to the interval of rocket supporting positions.
  9. 9. A method of transporting a large diameter liquid rocket according to claim 7, wherein step S2 comprises: S21, installing a front transportation blanking cover (5), butting a front inner frame (51) with a flange hole on the segmented end face of an arrow body, and fixing the front inner frame (51) on the arrow body through bolts; S22, installing a rear transportation blanking cover (6), butting the rear inner frame (62) with the end face of an engine of an arrow body, fixing the rear inner frame (62) on the arrow body through bolts, butting a plurality of tail spray covers (64) with engine spray pipes respectively, and adjusting the length of a tail spray pull rod (65) to fix the tail spray covers (64).
  10. 10. A method of transporting a large diameter liquid rocket according to claim 7, wherein step S5 comprises: When encountering a steep slope or a hollow road section, the hanging air bag (43) is inflated, so that the height of the air bag is increased, and the transportation frame (1) is lifted; when meeting a height-limiting road section, deflating the suspended air bag (43) to reduce the height of the air bag, and lowering the transportation frame (1); When the vehicle is required to turn, the two groups of steering components (3) are controlled according to the size of the bend, the transport wheels (2) on the front frame body (11) and the rear frame body (13) are controlled to rotate in the same direction during large-diameter turning, and the transport wheels (2) on the front frame body (11) are controlled to rotate towards the steering direction and the transport wheels (2) on the rear frame body (13) are controlled to rotate reversely during small-diameter turning.

Description

Large-diameter liquid rocket transporting device and transporting method thereof Technical Field The invention relates to the technical field of carrier rocket road transportation. In particular to a large-diameter liquid rocket transporting device and a transporting method thereof. Background With the rapid development of commercial aerospace satellite networks, the development demands of commercial liquid rockets, satellites and ground terminal equipment are growing day by taking satellite constellation construction and operation platforms as traction. Under the background, the industrial layout of the liquid rocket must be continuously optimized, a commercial aerospace industry base is built, and the industrialization process of core links such as the commercial liquid rocket is promoted. In order to meet the transportation requirements of large-diameter liquid rockets, such as the transportation requirements in scenes of from manufacturing sites to launching sites, from technical areas to launching areas and the like among various bases, road transportation is becoming an important mode of rocket transition due to the flexibility and adaptability of the road transportation. However, road transport of large diameter rockets still faces a number of technical bottlenecks. At present, railway transportation is limited, and is difficult to support the transportation of rockets with the diameter of more than 4m, and sea transportation has strong adaptability to the size, but has no universal applicability to inland launching sites and industrial bases lacking port conditions. The road transportation has high flexibility, but is obviously restrained by factors such as highway toll stations, bridges, urban road height limitation, longitudinal slope trafficability and the like. The existing transportation scheme for the rocket with the diameter of 3.35m cannot meet the comprehensive requirements of a rocket with the large diameter of 4-4.5 m on ultra-low chassis, reliable support, degree of freedom limitation, lifting, vibration reduction protection, long-frame longitudinal slope trafficability and the like. Therefore, a transporting device and a transporting method thereof which can adapt to the transportation of a large-diameter rocket highway and give consideration to the high-pass limit and the adaptability to complex road conditions are needed to support the collaborative development of the high-density and high-frequency launching tasks and the industrial chains of the reusable rocket launching. Disclosure of Invention The invention aims to provide a large-diameter liquid rocket transporting device and a transporting method thereof, which are used for solving one or all of the technical problems in the prior art. In order to achieve the above object, the present invention provides the following solutions: A large diameter liquid rocket transporting device comprising: The transport frame is provided with a plurality of transport wheels; the steering assembly is arranged on the transportation frame and is in transmission connection with the transportation wheels; the plurality of suspension assemblies are respectively and correspondingly arranged at the transport wheels and are used for adjusting the height of the transport frame; The front transportation blanking cover is used for being installed on the front end face of a rocket and comprises a front inner frame, a front outer frame, front connecting ribs, a front connecting plate and front connecting shafts, wherein the front inner frame and the front outer frame are arranged in parallel, the front connecting ribs are fixedly arranged between the front inner frame and the front outer frame, the front connecting plates are arranged in two and opposite sides are arranged between the front inner frame and the front outer frame, the two front connecting shafts are respectively fixedly arranged on the two front connecting plates, the axes of the two front connecting shafts are in the same straight line, two front fixing seats are arranged on the opposite sides of the transportation frame, and the two front connecting shafts are respectively embedded in the front fixing seats on the transportation frame; The rear transportation blanking cover is used for being mounted on the end face of an engine of a rocket and comprises a rear outer frame, a rear inner frame, rear connecting ribs, a tail spray cover and a tail spray pull rod, wherein the rear outer frame and the rear inner frame are arranged in parallel, the rear connecting ribs are arranged between the rear outer frame and the rear inner frame, the tail spray cover is provided with a plurality of tail spray covers and is arranged corresponding to an engine spray pipe, the length of the tail spray pull rod is adjustable, the tail spray pull rod is provided with a plurality of tail spray pull rods, one end of the tail spray pull rod is fixed to the rear inner frame, and the other end of the tail spray pull rod