Whole solid carrier rocket transshipment method in specific restricted area
By extending the track at the old launch site and using the coordinated lifting of gantry cranes and truck cranes, the problems caused by the limitations of factory building height and site size were solved, the efficient and safe transfer of solid carrier rockets was achieved, and the launch requirements of new rockets were met.
Patent Information
- Application Number
- CN202510582326.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2025-09-26
AI Technical Summary
In the existing technology, the transfer of solid-propellant carrier rockets at old launch sites is difficult due to insufficient factory height, mismatched lifting capacity and site size limitations, making it impossible to meet the launch requirements of new rockets.
By extending the module flatbed car track to the yard outside the factory building, setting up gantry cranes and truck cranes for double-hook lifting, optimizing the layout of lifting equipment, and combining precise positioning and collaborative operations, efficient transfer of launch vehicles can be achieved.
It achieves safe and efficient transfer of rockets within a limited space, improves the stability and space utilization of transfer operations, provides an economically feasible transfer solution, and adapts to the needs of rocket transfer under complex working conditions.
Smart Images
Figure CN120705981A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of space launch engineering, and in particular to a method for transferring a solid carrier rocket in a specific restricted area. Background Art
[0002] Solid-propellant carrier rockets are powered by solid rocket engines. They feature simple structure, rapid response, long-term storage, and easy operation, making them widely used in space launches and the rapid deployment of small satellites. Solid-propellant carrier rockets are generally launched from wheeled vehicles. As long as the technical preparation area meets basic requirements, such as operating space and electrical explosion protection, technical preparation can be completed in non-specially designed technical preparation buildings and areas.
[0003] In relevant technologies, during the space launch mission of a carrier rocket, a solid carrier rocket generally enters the launch site in the form of a complete rocket (the satellite has not been installed in the carrier rocket fairing), and needs to enter the final assembly and test plant area through a wheeled transport launch vehicle. The carrier rocket needs to be transferred to the rail-type modular flatbed vehicle used for final assembly and testing of carrier rockets in the technical area; after the solid carrier rocket completes technical preparations in the technical area, it needs to be transferred to the transport launch vehicle in the form of a complete rocket (the satellite has been installed in the carrier rocket fairing), and the vehicle-mounted rocket is then transferred to the launch area as a whole to carry out the launch mission. During the technical preparation process for launch vehicle testing, satellite-rocket docking, and post-docking testing, the launch vehicle is always placed on a rail-mounted modular flatbed truck in the rocket assembly and testing plant. However, due to the long construction age of the assembly and testing plant in the technical preparation area and the fact that it is not specifically designed for subsequent models, it is often encountered that the effective height of the rocket assembly and testing plant is lower than the rocket lifting requirement, the lifting weight and lifting height of the gantry crane in the plant do not meet the lifting requirements, and the available space outside the plant is too small to meet the requirements of two large lifting equipment to lift the complete launch vehicle at the same time. Under the constraints of multiple factors such as the low lifting height of the gantry crane in the plant, the lifting weight not meeting the lifting requirements, and the small size of the space outside the plant, transferring the complete launch vehicle from the modular flatbed truck to the launch vehicle for transportation becomes an insurmountable problem for solid launch vehicles to carry out space launch missions. Summary of the Invention
[0004] In view of this, the present invention provides a method for transferring a solid-propellant carrier rocket in a specific restricted area to solve the problem in the prior art that the specifications of the factory are not suitable for the carrier rocket when transferring the solid-propellant carrier rocket in a specific restricted area.
[0005] The present invention provides a method for transferring a solid-propellant carrier rocket in a specific restricted area, comprising:
[0006] Obtain the mass of the solid-propellant carrier rocket to be transferred and its lifting properties, as well as the scale and condition data of the existing launch site;
[0007] Based on the information obtained about the solid-propellant carrier rocket to be transferred and the existing launch site, a transfer method and ideas were designed, and a technical solution for the transformation of the existing launch site was determined, including: building a ground track for modular flatbed vehicles, extending the track inside the rocket assembly and test plant to the yard outside the plant; setting up a gantry crane on the side of the yard outside the plant near the plant gate to lift the carrier rocket from the rear lifting point; and deploying a truck crane on the yard outside the plant to lift the carrier rocket from the front lifting point;
[0008] Design the carrier rocket transfer and launch process, and implement the overall lifting of the carrier rocket, including: setting the rocket module flatbed truck and the transport and launch vehicle in parallel, and transferring the carrier rocket between the two through the coordinated lifting of the gantry crane and the truck crane; after the transfer is completed, the gantry crane is moved to the far end of the site.
[0009] Beneficial effects: The present invention realizes the safe and efficient relocation of the entire solid-propellant carrier rocket under the conditions of a restricted launch site by designing a relocation scheme that extends the track of the modular flatbed truck and coordinates the lifting of the gantry crane and the truck crane. It not only utilizes the existing factory track resources to reduce the amount of renovation work, but also effectively solves the problem of lifting the large-mass rocket body in a narrow site through the dual-lifting point load-sharing coordination and equipment layout optimization, significantly improving the stability of the relocation operation and the utilization rate of the site space, and providing an economically feasible technical path for old launch sites to adapt to the support needs of new rockets. First, when it is necessary to relocate the solid-propellant carrier rocket, the relocation method is designed based on the scale condition data of the existing launch site and the mass of the solid-propellant carrier rocket to be relocated and its lifting properties, and the technical scheme for the transformation of the existing launch site is determined. Then, the track in the factory is extended to the yard outside the factory. By setting up a gantry crane and a truck crane to lift the rear and front lifting points of the carrier rocket respectively, the gantry crane and the truck crane are coordinated for lifting, and finally the carrier rocket is loaded and unloaded between the modular flatbed truck and the transport launch vehicle.
[0010] In an optional embodiment, the extension length L of the track to the factory ground 延伸 for:
[0011] L 延伸 =max[l min(吊梁-大门) ,l 箭后 ]+l 操作安全 +l 运行余量 +l 统筹余量
[0012] Among them, l min(吊梁-大门) The minimum distance from the center line of the gantry crane beam to the factory gate, l 箭后 is the distance from the rear hanging point to the tail end of the rocket, l 操作安全 、l 运行余量 、l 统筹余量 It is a safety and margin parameter.
[0013] Beneficial Effects: By optimizing the track extension length, taking into account the gantry crane beam position, the rocket's rear lifting point layout, and multiple safety margins, the track extension distance was precisely optimized. This formulaic design not only ensures safe clearance between the rocket's tail and the lifting equipment, but also effectively accounts for dynamic lifting errors and emergency space requirements through the superposition of multiple safety and margin parameters. This balances equipment accessibility and operational safety within a limited site, avoids the waste of resources or space shortages caused by blindly extending the track, and significantly improves the reliability and cost-effectiveness of the transfer solution.
[0014] In an optional embodiment, the design of the transfer method further includes: designing gantry crane construction parameters, including: effective width of the gantry crossbeam, effective lifting height, and effective lifting weight, wherein the effective lifting height and effective lifting weight of the gantry crane are determined based on the height of the launch vehicle when transferring the entire launch vehicle, and the diameter and mass of the launch vehicle;
[0015] The effective width W of the portal beam 横梁 for:
[0016] W 横梁 ≥W 发射车 +W 平板车 +3S
[0017] Among them, W 发射车 is the width of the launch vehicle, W 平板车 The width of the modular flatbed truck is 100mm. When two trucks are parked side by side, a safety distance of no less than S is left in the middle and on both sides.
[0018] Beneficial Effects: By comprehensively considering all relevant gantry crane parameters, a safe distance of at least S meters is maintained on both sides and in the center when the launch vehicle and module flatbed are arranged side by side, effectively avoiding the risk of equipment interference during the lifting process. Furthermore, the gantry crane's effective lifting height and load are matched to the launch vehicle's diameter and mass, as well as the launch vehicle's height. This not only meets the load requirements for transferring a complete rocket, but also optimizes lifting space utilization. This balance of safety and cost-effectiveness significantly improves the stability and efficiency of transfer operations, providing reliable support for rocket transfers under complex working conditions.
[0019] In an optional embodiment, the idea of designing the transfer method also includes: setting the movement mode of the gantry crane, the gantry crane is set to a track movement mode, and the length of the gantry crane track is determined according to the size of the site and the construction of facilities and equipment opposite the factory building.
[0020] Beneficial Effects: By employing a track-mounted mobile gantry crane and rationally designing the track length based on the actual site dimensions and the layout of facilities across from the plant, the gantry crane achieves precise positioning and flexible scheduling during transfer operations. This not only avoids the limited operating range of a fixed gantry crane, but also ensures stability and controllability during the lifting process through track guidance. Furthermore, the track layout can be optimized based on on-site spatial conditions, significantly improving the adaptability and efficiency of transferring large rockets within confined spaces and providing reliable guarantees for safe lifting in complex launch site environments.
[0021] In an optional embodiment, the idea of designing the transfer method also includes: setting the front lifting point position, the rear lifting point position, and the preset parking position of the transport launch vehicle.
[0022] Beneficial Effects: By planning the front and rear lifting points of the launch vehicle and the preset parking position of the transport launch vehicle, the rocket is ensured to be balanced and stable during the lifting process, while also optimizing the collaborative working space between the gantry crane and the truck crane. This not only avoids safety risks caused by center of gravity shift during lifting, but also shortens the transfer and docking time by accurately positioning the transport launch vehicle parking position, significantly improving the efficiency and safety of the entire rocket transfer, and providing a standardized, high-precision operating benchmark for rocket transfers under complex working conditions.
[0023] In an optional embodiment, a module flatbed truck and a transport launch vehicle are arranged in parallel, and the launch vehicle is transferred between the two by a gantry crane and a truck crane. The process of transferring the launch vehicle from the transport launch vehicle to the module flatbed truck includes:
[0024] The rocket transport launcher is positioned at the preset location on the field;
[0025] The gantry crane and truck crane were respectively put in place to lift the carrier rocket from the rocket transport launcher and place the module flatbed truck;
[0026] The modular flatbed truck will carry the launch vehicle back to the factory.
[0027] Beneficial Effects: The parallel arrangement of modular flatbed trucks and transport launch vehicles, combined with the coordinated lifting operations of gantry cranes and truck cranes, enables efficient and smooth transfer of carrier rockets from launch vehicles to the flatbed workshop. Pre-set parking spaces ensure precise alignment, dual lifting points coordinate to maintain rocket balance, and modular flatbed truck return transport significantly reduces the risk of collision during the transfer of heavy rocket bodies and optimizes operational processes, increasing the efficiency of rocket transfers between the plant and launch site and providing a standardized solution for rapid launch support.
[0028] In an optional embodiment, the module flatbed truck and the transport launch vehicle are arranged in parallel, and the carrier rocket is transferred between the two by cooperating with a gantry crane and a truck crane for lifting, including the following process of transferring the carrier rocket from the module flatbed truck to the transport launch vehicle:
[0029] The empty transport launch vehicle is positioned at the preset location on the field;
[0030] The gantry crane and truck crane work together to lift the launch vehicle on the module flatbed and transfer it to the transport launch vehicle;
[0031] The transport launch vehicle carrying the rocket drove away to the transfer location, and the module flatbed truck returned to the factory.
[0032] Beneficial Effects: The parallel transfer scheme between the module flatbed and the transporter-launcher, combined with the coordinated operation of a gantry crane and a truck crane, enables the safe and efficient transfer of the launch vehicle from the module flatbed to the transporter-launcher. Pre-set parking spaces ensure precise positioning, and synchronized operation of the two lifting points ensures smooth transfer of the rocket body. This significantly reduces the risk of rocket body vibration during transfer and provides reliable support for rapid launch missions.
[0033] In an optional embodiment, the gantry crane and the truck crane are respectively positioned, including:
[0034] The gantry crane is positioned at the preset position for transferring the entire rocket, and the truck crane is positioned on one side of the flatbed track on the yard, with the truck crane's boom perpendicular to the track and aligned with the front lifting point of the carrier rocket.
[0035] Beneficial Effects: By planning the positioning of the gantry crane and truck crane, ensuring the gantry crane is fixed at the pre-set transfer station, while the truck crane is positioned sideways along the track with its boom vertically aligned with the rocket's front lifting point, the optimal spatial configuration of the dual lifting equipment is achieved. This not only eliminates the risk of motion interference during the lifting process, but also ensures precise application of lifting force through the directional boom arrangement, reducing deviations in the rocket's posture during the transfer process, significantly improving the accuracy and safety of collaborative operations for transferring large-mass rockets in confined space.
[0036] In an optional embodiment, the modular flatbed truck moves out of the factory along the track and stops at a preset position.
[0037] Beneficial Effects: By precisely moving modular flatbed trucks along pre-set tracks to designated transfer locations outside the factory, the rocket transfer process achieves precise positioning. Not only does the existing track ensure smooth operation of the flatbed trucks, but their reusable, pre-set docking locations also shorten transfer preparation time and eliminate positioning errors caused by manual operation, significantly improving transfer efficiency and reliability.
[0038] In an optional embodiment, the positioning and fixing method when hoisting the carrier rocket includes:
[0039] The fixed ear holes at the tail of the carrier rocket are aligned with the two positioning ear holes and three hole axes of the transport launch vehicle, and positioning pins are inserted to fix the connection.
[0040] Beneficial Effects: By precisely aligning the three axes of the carrier rocket's tail mounting holes with the positioning holes on the transport launch vehicle, and using locating pins for rigid connection, the rocket body and vehicle are precisely docked. This not only overcomes the stress concentration issues associated with traditional lashing and fixation, improving the uniformity of the rocket body's load, but its quick-release pin design also reduces disassembly time, significantly improving the standardization and repeatability of the transfer process, and providing reliable technical support for high-frequency rocket transfer operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0041] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0042] Figure 1 Schematic diagram of the layout of the area for existing technical preparation;
[0043] Figure 2 A schematic diagram of the layout of the technical preparation area of the present invention;
[0044] Figure 3 This is a schematic diagram of the launch vehicle hoisting;
[0045] Figure 4 Schematic diagram of the launch vehicle placed on a modular flatbed vehicle;
[0046] Figure 5 This is the on-site layout diagram of the whole arrow transfer equipment of the present invention. DETAILED DESCRIPTION
[0047] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.
[0048] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0049] Solid-propellant carrier rockets are space launch vehicles powered by solid rocket engines. Their significant advantages include a simple structure, rapid response capability, long-term storage, and easy operation. These features make them irreplaceable in scenarios such as space launch missions and the rapid deployment of small satellites. In terms of launch method, solid-propellant carrier rockets are typically launched from a wheeled vehicle, which provides relatively flexible requirements for the technical preparation area. As long as basic operating space and electrical explosion-proof requirements are met, technical preparation work can be completed in non-dedicated workshops or areas, further improving their adaptability and deployment efficiency.
[0050] In the existing technical process, solid-propellant carrier rockets usually enter the launch site in the form of a "whole rocket" (without satellite installed) and are transferred to the final assembly and test plant by a wheeled transport launch vehicle. At this time, the rocket needs to be transferred from the transport vehicle to the rail-mounted modular flatbed vehicle in the technical area for subsequent testing. After the technical preparations are completed, the satellite is installed in the fairing, and the whole rocket needs to be transferred back to the transport launch vehicle, and finally transferred to the launch area to perform the mission. However, this process is highly dependent on the hardware conditions of the final assembly and test plant: the rocket is placed on the rail flatbed vehicle throughout the technical preparation stage, and key operations such as testing, satellite-rocket docking, and post-docking testing need to be completed in the plant.
[0051] Because the initial assembly and test facility wasn't designed specifically for modern solid-propellant rockets, its limitations became increasingly apparent. Key issues included insufficient height: the effective clearance fell short of the required clearance for rocket hoisting, limiting vertical access; inadequate lifting capacity: the gantry cranes within the facility couldn't handle the required lift weights and heights for a complete rocket lift; and limited external space: the limited available space outside the facility made it difficult to support the coordinated operation of multiple large lifting equipment.
[0052] These constraints make the transfer of the entire rocket between the modular flatbed truck and the transport and launch vehicle a technical bottleneck. Whether it is insufficient lifting capacity within the factory or cramped external space, traditional lifting solutions cannot be implemented, seriously hindering the smooth execution of the launch mission.
[0053] The following combination Figures 1 to 5 , describing embodiments of the present invention.
[0054] According to an embodiment of the present invention, a method for transferring a solid-propellant carrier rocket to a specific restricted area is provided, comprising:
[0055] S1, obtain the mass and lifting properties of the solid-fuel carrier rocket to be transferred, as well as the scale and condition data of the existing launch site. Specifically, it includes:
[0056] (1) Analyze the mass and scale attributes of solid-propellant carrier rockets. First, understand the mass of the entire rocket (including the docked satellite) to be hoisted, the geometric parameters of the launch vehicle, carrier rocket and rocket carrier (width, height, length, diameter, etc.), the geometric parameters of the module flatbed truck and the rocket module flatbed truck (width, height, length, etc.), and then analyze and understand the mass and hoisting and relocation related parameters of other carrier rockets that may need to be technically prepared in the technical preparation area in the future, and analyze and determine the maximum mass and working space of the carrier rocket that may be hoisted;
[0057] (2) Determine the lifting method for the launch vehicle. During the entire rocket transfer process, in order to ensure stability during the transfer process and ensure accurate single-point positioning and rapid connection with the transport launch vehicle, a double-hook lifting method is generally used;
[0058] (3) Understand the existing conditions of the launch site technical preparation area. This mainly includes the internal layout of the rocket assembly and test plant, ground tracks and their properties (number of groups, width), truss cranes and their properties (lifting weight, lifting height), and the layout of facilities and equipment outside the plant, the size of available space, etc. Figure 1 As shown, the site mainly includes the rocket assembly and test plant, which has two sets of ground tracks for the parking and forward and backward movement of module flatbed trucks; Building 3 and Building 4 are located on the south side of the plant, and Building 1 and Building 2 are located on the west side of the plant. The gates of the rocket assembly and test plant and Building 1 are basically opposite each other, and there is a work area between the buildings. The south side of Building 3 and Building 4 is a vehicle transfer road;
[0059] (4) Analyze the feasibility of utilizing the space outside the site and above the site. As a form of implementation, the length of the work site should be no less than 40m from east to west and nearly 100m from north to south. There should be no wires or other objects or floating objects above the site that may affect the hoisting of the rocket.
[0060] S2: Design the transfer method based on the acquired solid-propellant carrier rocket and the existing launch site information, and determine the technical solution for the transformation of the existing launch site. Specifically, it includes:
[0061] (1) Ideas for designing the hoisting and relocation method. Based on the premise that the double-groove hoisting method of the entire launch vehicle and the hoisting and relocation conditions in the final assembly and test plant do not meet the requirements, a method for hoisting and relocation of the entire launch vehicle in the yard outside the plant is proposed. That is, considering the model envelope of the launch vehicle, the need for precise positioning of the entire installation and relocation, and the requirements for high reliability and good stability of the hoisting operation, a double-hook hoisting method is adopted, and the hoisting and relocation are carried out by a truck crane and a gantry crane. The gantry crane hook corresponds to the rear lifting point of the launch vehicle. This can maintain the stability of the launch vehicle during the hoisting process, which is conducive to the single-point accurate positioning and smooth fixed docking with the transport launch vehicle. As an implementation form, the target rocket weighs 80t. During the horizontal hoisting process, the front lifting point load is 44t and the rear lifting point load is 36t.
[0062] (2) Technical solution for site modification of relocation and hoisting
[0063] ① Construction of ground track for modular flatbed vehicles (hereinafter referred to as flatbed vehicle track). Figure 2 As shown, usually, there are multiple double-track tracks for modular flatbed vehicles in the final assembly and test plant. Among them, the central axis of at least one double-track track is aligned with a gate for entering and exiting the plant. Based on this, the track is extended to the field outside the gate. The extension length of the track outside the gate is L min延伸 Depends on the minimum distance l between the horizontal centerline axis of the gantry crane beam and the factory gate min(吊梁-大门) "The distance from the rear lifting point of the launch vehicle to the tail end of the rocket on the modular flatbed vehicle is l 箭后 ", "Modular flatbed wheelbase maximum length l 轮距 ", specific length L min延伸 The minimum distance l between the horizontal centerline axis of the gantry crane beam and the factory gate is taken min(吊梁-大门) "The distance from the rear lifting point of the launch vehicle to the tail end of the rocket on the modular flatbed vehicle is l 箭后 ", and then add an operational safety distance l between the carrier rocket and the factory building when lifting the carrier rocket 操作安全 ,Right now:
[0064] L min延伸 =max[l min(吊梁-大门) ,l 箭后 ]+l 操作安全
[0065] Among them, the minimum distance between the horizontal centerline axis of the gantry crane beam and the factory gate is l min(吊梁-大门) It refers to the maximum distance from the horizontal centerline axis of the gantry crane beam to the geometric shape of the gantry crane (close to the factory gate).
[0066] When constructing the actual track extension, two factors need to be considered: First, the track length needs to take into account a certain operating margin for the modular flatbed vehicle. 运行余量 Secondly, consider the relevant parameters of other launch vehicle models that may need to be transferred as a whole rocket. 统筹余量 .
[0067] L 延伸 =max[l min(吊梁-大门) ,l 箭后 ]+l 操作安全 +l 运行余量 +l 统筹余量
[0068] By calculating the track extension length and comprehensively considering the gantry crane beam position, the layout of the rocket's rear lifting points, and multiple safety margins, the track extension distance was precisely optimized. This formulaic design not only ensures safe clearance between the rocket's tail and the lifting equipment, but also effectively accounts for dynamic lifting errors and emergency space requirements through the superposition of multiple safety and margin parameters. This balances equipment accessibility and operational safety within a limited site, avoids the waste of resources or the risk of insufficient space caused by blindly extending the track, and significantly improves the reliability and cost-effectiveness of the transfer solution.
[0069] ② Gantry crane construction related parameters
[0070] The parameters of gantry crane construction that are closely related to the transfer of whole rockets are mainly the effective width of the gantry beam, the effective lifting height, and the effective lifting weight. Among them, the effective width of the gantry beam is the width of the carrier rocket launch vehicle and the modular flatbed vehicle when the hook moves horizontally to cover the width of the carrier rocket launch vehicle and the modular flatbed vehicle when the whole rocket is transferred, and a certain operating safety distance is left outside. Assume that the width of the carrier rocket launch vehicle is W 发射车 , the width of the modular flatbed is W 平板车 In this solution, S is 0.5 meters. When two vehicles are parked side by side, a safe operating distance of no less than 0.5 meters is left between the two vehicles and on both sides. The effective width of the gantry beam is:
[0071] W 横梁 ≥W 发射车 +W 平板车 +1.5
[0072] By comprehensively considering all relevant gantry crane parameters, a safe distance of at least 0.5 meters is maintained on both sides and in the center when the launch vehicle and module flatbed are arranged side by side, effectively avoiding the risk of equipment interference during the lifting process. Furthermore, the gantry crane's effective lifting height and load are matched to the launch vehicle's diameter and mass, as well as the launch vehicle's height. This not only meets the load requirements for transferring a complete rocket, but also optimizes the utilization of the lifting space. This balance of safety and economy significantly improves the stability and efficiency of transfer operations, providing reliable support for rocket transportation under complex working conditions.
[0073] The effective lifting height and effective lifting weight are determined based on the height of the launch vehicle when the entire carrier rocket is transferred, the diameter and mass of the carrier rocket, etc., and a certain safety margin should be retained if necessary.
[0074] Other parameters of the gantry crane are determined according to the crane design standards. As a form of implementation, under the premise of meeting the lifting capacity, considering the possible weight of the products that may need to be transferred within the site and the supply situation of the nearest manufacturer, the gantry crane model selected is: MGB125t / 30t-20m A4, variable frequency, explosion-proof level ExdII BT4 (considering that solid carrier rockets are large-yield explosive hazardous materials); truck crane selection: the launch vehicle is 3.6m wide, the truck crane operates sideways, the required working range is 6.5m, the main arm length is 16.4m, the 80t truck crane can lift a maximum weight of 43t, and the 150t truck crane can lift a maximum weight of 70t. Therefore, the 150t truck crane is preferred;
[0075] ③Construction of ground track for gantry crane movement
[0076] The gantry crane is designed to move on rails. This ensures that after the transfer task is completed, the gantry crane can be moved to a location that does not affect daily work in the area. The length of the ground track (hereinafter referred to as the gantry crane track) is based on the starting point of the gantry crane closest to the factory building. The distance from the far end of the track to the factory building needs to be determined based on the size of the site and the construction of facilities and equipment opposite the factory building. As an implementation method, the flatbed track construction length is 26m, and the gantry crane track length is 86m.
[0077] By employing a track-mounted mobile gantry crane and rationally designing the track length based on the actual site dimensions and the layout of facilities across from the plant, the gantry crane achieves precise positioning and flexible scheduling during transfer operations. This not only avoids the limited operating range of a fixed gantry crane, but also ensures stability and controllability during the lifting process through track guidance. Furthermore, the track layout can be optimized based on on-site spatial conditions, significantly improving the adaptability and efficiency of transferring large rockets within confined spaces and providing reliable guarantees for safe lifting in complex launch site environments.
[0078] ④ After the construction of the above-mentioned project is completed, the front lifting point position, rear lifting point position and parking position of the carrier rocket (on the flatbed truck) and the transport launch vehicle shall be marked at appropriate locations on the ground.
[0079] By planning the front and rear lifting points of the launch vehicle and the preset parking position of the transport launch vehicle, the rocket is ensured to be balanced and stable during the lifting process, while also optimizing the collaborative working space between the gantry crane and the truck crane. This not only avoids safety risks caused by center of gravity shift during lifting, but also shortens the transfer and docking time by accurately positioning the transport launch vehicle parking position, significantly improving the efficiency and safety of the entire rocket transfer, and providing a standardized, high-precision operating benchmark for rocket transfers under complex working conditions.
[0080] S3, design the launch vehicle transfer and test launch process, and implement the overall lifting of the launch vehicle.
[0081] (1) The process of transferring a carrier rocket from a transport launch vehicle to a modular flatbed vehicle (referred to as unloading) is as follows:
[0082] ① The transport launch vehicle (with rocket) is positioned at the designated location marked on the field;
[0083] ② The gantry crane is positioned at the marked position for transferring the entire arrow;
[0084] ③ The truck crane is positioned on the side of the newly built flatbed track on the yard (outside the gantry crane's movement area), with the truck crane boom perpendicular to the track and aligned with the front lifting point of the carrier rocket;
[0085] ④ The modular flatbed truck (without arrows) leaves the factory along the track and stops at the marked position;
[0086] ⑤ The truck crane and gantry crane work together to lift the carrier rocket from the transport launch vehicle and place it on the modular flatbed truck. The modular flatbed truck carries the rocket into the factory to carry out relevant testing and other work;
[0087] ⑥ The truck crane, gantry crane, and transport launch vehicle (without the arrow) leave the transfer position, and the task of transferring the entire arrow off the vehicle is completed.
[0088] Through a parallel transfer scheme featuring modular flatbed trucks and transport launch vehicles, combined with coordinated lifting operations using gantry cranes and truck cranes, the carrier rocket can be efficiently and smoothly transferred from the launch vehicle to the flatbed workshop. Pre-set parking spaces ensure precise alignment, dual lifting points coordinate to maintain rocket balance, and modular flatbed trucks are used for return transport. This not only significantly reduces the risk of collision during the transfer of the heavy rocket, but also optimizes the operational process, increasing the efficiency of rocket transfers between the plant and the launch site, providing a standardized solution for rapid launch support.
[0089] (2) The process of transferring the launch vehicle from the modular flatbed vehicle to the transport launch vehicle (hereinafter referred to as loading vehicle) is as follows:
[0090] ① The transport launch vehicle (without rockets) is positioned at the designated location marked on the field;
[0091] ② The gantry crane is positioned at the marked position for transferring the entire arrow;
[0092] ③ The truck crane is positioned on the side of the newly built flatbed track on the yard (outside the gantry crane's movement area), with the truck crane boom perpendicular to the track and aligned with the front lifting point of the carrier rocket;
[0093] ④ The modular flatbed truck (carrying the arrow) leaves the factory along the track and stops at the marked position;
[0094] ⑤ The truck crane and gantry crane work together to lift the carrier rocket from the modular flatbed truck and place it on the transport launch vehicle, and the modular flatbed truck retreats to an appropriate position in the workshop;
[0095] ⑥ The truck crane, gantry crane, and rocket transport launch vehicle leave the transfer location, and the task of loading the entire rocket onto the vehicle is completed.
[0096] The parallel transfer of the module flatbed and transporter-launcher vehicle (TLV), combined with the coordinated operation of a gantry crane and a truck crane, enables the safe and efficient transfer of the launch vehicle from the module flatbed to the TLV. Pre-set parking spaces ensure precise positioning, and synchronized operation of the two lifting points ensures smooth transfer of the rocket body. This significantly reduces the risk of rocket body vibration during transfer and provides reliable support for rapid launch missions.
[0097] In some embodiments, combined Figure 2 As shown, the gantry crane and the truck crane are positioned separately, including: the gantry crane is positioned at the preset position for transferring the entire rocket, the truck crane is positioned on the side of the flatbed track on the yard, and the truck crane's boom is perpendicular to the track and aligned with the front lifting point of the launch vehicle. By planning the positioning of the gantry crane and the truck crane, the gantry crane is fixed to the preset transfer position, while the truck crane is positioned sideways along the track with its boom vertically aligned with the front lifting point of the rocket, achieving the optimal configuration of the spatial position of the dual lifting equipment. Not only does this eliminate the risk of motion interference during the lifting process, but it also ensures the precise application of lifting force through the directional boom arrangement, reducing the deviation of the rocket body's posture during the transfer process, and significantly improving the collaborative operation accuracy and safety of transferring large-mass rocket bodies in confined space conditions.
[0098] In some embodiments, combined Figure 2 As shown, the modular flatbed trucks follow tracks from inside the factory building to a pre-set location. By precisely moving along the pre-set tracks to the designated transfer location outside the factory, the rocket transfer process is precisely positioned. Not only does the existing track ensure smooth operation of the flatbed trucks, but their reusable pre-set docking locations also shorten transfer preparation time and eliminate positioning errors caused by manual operation, significantly improving transfer efficiency and reliability.
[0099] In some embodiments, combined Figure 3 and Figure 4 As shown, the positioning and fixing method for hoisting the carrier rocket includes: aligning the three axes of the carrier rocket's tail fixing ears with the two positioning ears on the transport launch vehicle, and inserting locating pins to fix the connection. By precisely aligning the three axes of the carrier rocket's tail fixing ears with the positioning ears on the transport launch vehicle, and using locating pins to rigidly connect, the rocket body and the vehicle are precisely docked. Not only does this overcome the stress concentration problem of traditional bundling and fixation, improving the uniformity of the rocket body's load, its quick latch design reduces disassembly time, significantly improves the standardization and repeatability of the transfer process, and provides reliable technical support for high-frequency rocket transfer operations.
[0100] The present invention realizes the safe and efficient relocation of the entire solid-propellant carrier rocket under restricted launch site conditions by designing a relocation scheme that extends the track of a modular flatbed truck and coordinates the lifting of a gantry crane with a truck crane. It not only utilizes the existing factory track resources to reduce the amount of renovation work, but also effectively solves the problem of lifting large-mass rocket bodies in a small site through double lifting point load sharing and equipment layout optimization, significantly improving the stability of the relocation operation and the utilization rate of the site space, and providing an economically feasible technical path for old launch sites to adapt to the support needs of new rockets. Figure 5 Figure 2 shows the on-site layout of the whole rocket transfer equipment when the whole rocket is loaded and unloaded. Figure b is a top view of Figure a. First, when it is necessary to lift the solid carrier rocket, the transfer method is designed according to the scale condition data of the existing launch site and the mass of the solid carrier rocket to be loaded and its lifting properties, and the technical plan for the transformation of the existing launch site is determined. Then, the track in the factory is extended to the yard outside the factory. By setting up a gantry crane and a truck crane to lift the rear lifting point and the front lifting point of the carrier rocket respectively, the gantry crane and the truck crane are coordinated for lifting, and finally the carrier rocket is loaded and unloaded between the module flatbed truck and the transport launch vehicle.
[0101] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the present invention.
Claims
1. A method for transferring a solid-propellant carrier rocket to a specific restricted area, characterized in that: include: Obtain the mass of the solid-propellant carrier rocket to be transferred and its lifting properties, as well as the scale and condition data of the existing launch site; Based on the information obtained about the solid-propellant carrier rocket to be transferred and the existing launch site, a transfer method and ideas were designed, and a technical plan for the transformation of the existing launch site was determined, including: building a ground track for modular flatbed vehicles, extending the track inside the rocket assembly and test building to the yard outside the building; setting up a gantry crane on the side of the yard outside the building near the building gate to lift the carrier rocket from the rear lifting point; and deploying a truck crane on the yard outside the building to lift the carrier rocket from the front lifting point; Design the carrier rocket transfer and launch process, and implement the overall lifting of the carrier rocket, including: setting the rocket module flatbed truck and the transport and launch vehicle in parallel, and transferring the carrier rocket between the two through the coordinated lifting of the gantry crane and the truck crane; after the transfer is completed, the gantry crane is moved to the far end of the site.
2. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 1, characterized in that: The extension length L of the track extending to the factory ground 延伸 for: L 延伸 =max[l min(吊梁-大门) ,L 箭后 ]+l 操作安全 +l 运行余量 +l 统筹余量 Among them, l min(吊梁-大门) The minimum distance from the center line of the gantry crane beam to the factory gate, l 箭后 is the distance from the rear hanging point to the tail end of the rocket, l 操作安全 、l 运行余量 、l 统筹余量 It is a safety and margin parameter.
3. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 1, characterized in that: The design of the transfer method also includes: designing the gantry crane construction parameters, including the effective width of the gantry crossbeam, the effective lifting height, and the effective lifting weight. The effective lifting height and effective lifting weight of the gantry crane are determined by the height of the launch vehicle when transferring the entire launch vehicle, and the diameter and mass of the launch vehicle; The effective width W of the portal beam 横梁 for: W 横梁 ≥W 发射车 +W 平板车 +3S Among them, W 发射车 is the width of the launch vehicle, W 平板车 The width of the modular flatbed truck is 100mm. When two trucks are parked side by side, a safety distance of no less than S is left in the middle and on both sides.
4. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 1, characterized in that: The design idea of the transfer method also includes: setting the movement mode of the gantry crane, the gantry crane is set to a track movement mode, and the length of the gantry crane track is determined according to the size of the site and the construction of facilities and equipment opposite the factory building.
5. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 4, characterized in that: The design idea of the transfer method also includes: setting the front lifting point position, the rear lifting point position, and the preset parking position of the transport launch vehicle.
6. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 1, characterized in that: The module flatbed truck is arranged in parallel with the transport and launch vehicle, and the carrier rocket is transferred between the two by cooperating with the gantry crane and the truck crane for lifting, including the following process of transferring the carrier rocket from the transport and launch vehicle to the module flatbed truck: The rocket transport launcher is positioned at the preset location on the field; The gantry crane and truck crane were respectively put in place to lift the carrier rocket from the rocket transport launcher and place the module flatbed truck; The modular flatbed truck will carry the launch vehicle back to the factory.
7. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 1, characterized in that: The module flatbed truck and the transport launch vehicle are arranged in parallel, and the carrier rocket is transferred between the two by cooperating with the gantry crane and the truck crane for lifting, including the following process of transferring the carrier rocket from the module flatbed truck to the transport launch vehicle: The empty transport launch vehicle is positioned at the preset location on the field; The gantry crane and truck crane work together to lift the launch vehicle on the module flatbed and transfer it to the transport launch vehicle; The transport launch vehicle carrying the rocket drove away to the transfer location, and the module flatbed truck returned to the factory.
8. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 6, characterized in that: The gantry crane and the truck crane are respectively in place, including: The gantry crane is positioned at the preset position for transferring the entire rocket, and the truck crane is positioned on one side of the flatbed track on the yard, with the truck crane's boom perpendicular to the track and aligned with the front lifting point of the carrier rocket.
9. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to claim 6 or 7, characterized in that: The modular flatbed truck moves out of the factory along the track and stops at the preset position.
10. The method for transferring a solid-propellant carrier rocket to a specific restricted area according to any one of claims 1 to 8, characterized in that: Positioning and fixing methods when hoisting a launch vehicle include: The fixed ear holes at the tail of the carrier rocket are aligned with the two positioning ear holes and three hole axes on the transport launch vehicle or the module flatbed vehicle, and the positioning pins are inserted to fix the connection.