CN111717102A - Remote control type launching pad transport vehicle and launching pad loading and unloading method - Google Patents
Remote control type launching pad transport vehicle and launching pad loading and unloading method Download PDFInfo
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- CN111717102A CN111717102A CN202010571574.XA CN202010571574A CN111717102A CN 111717102 A CN111717102 A CN 111717102A CN 202010571574 A CN202010571574 A CN 202010571574A CN 111717102 A CN111717102 A CN 111717102A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/54—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/002—Launch systems
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Transportation (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to a remote control type launching pad transport vehicle and a launching pad loading and unloading method, wherein the transport vehicle comprises a vehicle main body, a chassis of the vehicle main body is welded with a frame, the left side and the right side of the front end of the frame are respectively provided with a front hydraulic support leg, the upper side of the rear end of the frame is provided with a truck-mounted crane, the left side and the right side of the truck-mounted crane are respectively provided with a rear hydraulic support leg, and a support platform is welded on the frame between the front hydraulic support legs and the truck-mounted crane; the method for loading and unloading the launching pad has the advantages of simple operation, high working efficiency, safety and reliability.
Description
Technical Field
The present invention relates to a transport vehicle, and more particularly to a vehicle for transporting a launch pad, and a method of loading and unloading a launch pad.
Background
In the field of aerospace, the launching platforms of existing rockets and other products cannot be directly carried by a launching vehicle, and special launching platform transport vehicles need to be configured. The launching pad transport vehicle should have the following functions: firstly, the road transportation of the launching pad is realized; and secondly, the launching platform is hoisted to the launching point position from the launching platform transport vehicle, or the launching platform is hoisted to the launching platform transport vehicle from the launching point position. The mode that current launching pad transport vechicle realized above-mentioned function does: two slide rails are borne on the transport vehicle, a chassis power take-off is adopted to drive the winch to rotate, the launching platform slides along the slide rails through the two chains so as to carry out loading and unloading operation, and after unloading, the launching platform needs to be moved and positioned at the launching point position accessory through the four crowbars. This method has the following problems in practical use: the rapid loading and unloading of the launching pad cannot be realized, the operation is time-consuming and labor-consuming, and more operation operators are required; when the launching platform is unloaded, violent impact can be generated, and the precision equipment on the launching platform is easily influenced.
Disclosure of Invention
The invention aims to provide a remote control type launching pad transport vehicle and a launching pad loading and unloading method, wherein the transport vehicle has the advantages of simple structure, convenience in operation and control and accuracy in positioning, the number of operators and labor intensity can be effectively reduced, the launching pad is prevented from being impacted when being unloaded, and the safety of precision equipment on the launching pad is improved. The method for loading and unloading the launching pad has the advantages of simple operation, high working efficiency, safety and reliability.
In order to solve the problems in the prior art, the invention provides a remote control type launch pad transport vehicle which comprises a vehicle main body, wherein a vehicle frame is welded on a chassis of the vehicle main body, front hydraulic support legs are respectively arranged on the left side and the right side of the front end of the vehicle frame, a truck-mounted crane is arranged on the upper side of the rear end of the vehicle frame, rear hydraulic support legs are respectively arranged on the left side and the right side of the truck-mounted crane, and a support platform is welded on the vehicle frame between the front hydraulic support legs and the truck-mounted crane; the remote controller is used for controlling the front hydraulic support leg, the truck-mounted crane and the rear hydraulic support leg.
Further, the invention relates to a remote control type launching pad transport vehicle, wherein two tool boxes are arranged on the upper side of the rear end of the supporting platform.
Furthermore, the invention relates to a remote control type launching pad transport vehicle, wherein two sides of the vehicle frame are respectively provided with two fastening inhaul cables, and the fastening inhaul cables are provided with turn-buckle bolts for adjusting the length.
Furthermore, the invention relates to a remote control type launching pad transport vehicle, wherein four positioning pieces which are distributed in a central symmetry manner are arranged on a supporting platform on the front side of the tool box.
Further, the invention relates to a remote control type launching pad transport vehicle, wherein the left side and the right side of the front half part of the vehicle frame are respectively provided with a front pedaling ladder.
Further, the invention relates to a remote control type launching pad transport vehicle, wherein rear pedaling ladders are respectively arranged on the left side and the right side of the rear half part of the vehicle frame.
Further, the remote control type launching pad transport vehicle is characterized in that the front hydraulic support leg and the truck-mounted crane are respectively fixed on the vehicle frame through bolts, the rear hydraulic support leg and the truck-mounted crane are integrated together, the toolbox is fixed on the supporting platform through welding, and the front pedaling ladder and the rear pedaling ladder are respectively fixed on the vehicle frame through bolts.
Further, the invention relates to a remote control type launching pad transport vehicle, wherein a movable arm oil cylinder, a suspension arm oil cylinder and a telescopic oil cylinder of the truck-mounted crane are respectively provided with a balance valve.
The invention relates to a method for loading and unloading a launching pad by using a remote control type launching pad transport vehicle, which comprises the following steps:
firstly, when loading, the launching platform transport vehicle is driven to one side of the launching platform to be in place, and the front hydraulic support leg, the rear hydraulic support leg and the truck-mounted crane are ensured to be free of obstacles in the running range;
secondly, the front hydraulic support legs and the rear hydraulic support legs are unfolded under the control of a remote controller, and the launching platform transport vehicle is stably supported;
thirdly, hanging a four-leg sling rigging on a hanging beam of the truck-mounted crane, and controlling the truck-mounted crane to move the four-leg sling rigging to the upper side of the launching platform through a remote controller;
fourthly, after the four-leg sling rigging is connected with the launching platform, the truck-mounted crane is controlled by the remote controller to hoist the launching platform to the specified position on the supporting platform;
after the connection between the four-leg sling rigging and the launching platform and the truck crane is released, the truck crane is controlled by a remote controller to be recovered to a non-working state;
sixthly, after two ends of the four fastening inhaul cables are correspondingly connected with the frame and the launching platform, the two fastening inhaul cables are in a tensioning state by rotating the turn buckle; thus, the loading process of the launching platform is completed.
Further, the method for loading and unloading the launching pad further comprises the following steps:
seventhly, when unloading, enabling the transmitting platform transport vehicle to move to a transmitting field to be in place, and ensuring that no obstacles exist in the operating ranges of the front hydraulic support leg, the rear hydraulic support leg and the truck-mounted crane;
eighthly, the front hydraulic support leg and the rear hydraulic support leg are unfolded under the control of a remote controller, and the launching platform transport vehicle is stably supported;
ninth, the turnbuckles of the four fastening inhaul cables are rotated to be in a loose state, and the connection between the fastening inhaul cables and the launching platform is released;
ten, hanging a four-leg sling rigging on a hanging beam of the truck-mounted crane, and controlling the truck-mounted crane to move the four-leg sling rigging to the upper side of the launching platform through a remote controller;
eleven, after the four-leg sling rigging is connected with the launching platform, the truck-mounted crane is controlled by a remote controller to hoist the launching platform to the specified position of the launching site;
after the connection between the four-leg sling rigging and the launching platform and the truck crane is released, the truck crane is controlled by a remote controller to be recovered to a non-working state; thus, the unloading process of the launching platform is completed.
Compared with the prior art, the remote control type launching pad transport vehicle and the launching pad loading and unloading method have the following advantages: the vehicle body is arranged, the frame is welded on a chassis of the vehicle body, the left side and the right side of the front end of the frame are respectively provided with the front hydraulic support legs, the upper side of the rear end of the frame is provided with the truck-mounted crane, the left side and the right side of the truck-mounted crane are respectively provided with the rear hydraulic support legs, and the support platform is welded on the frame between the front hydraulic support legs and the truck-mounted crane; and a remote controller for controlling the front hydraulic support leg, the truck-mounted crane and the rear hydraulic support leg is arranged. Therefore, the remote control type launching pad transport vehicle with simple structure, convenient operation and control and accurate positioning is formed. In practical application, after a hanging beam of the truck-mounted crane is connected with the launching platform through a four-leg sling rigging, the front hydraulic support leg and the rear hydraulic support leg are controlled by the remote controller to be unfolded to support the transport vehicle, and the truck-mounted crane is controlled by the remote controller to perform actions such as lifting, rotating, falling and the like, so that loading and unloading of the launching platform can be realized. Compared with the prior art, the invention can carry out the loading and unloading operation of the launching pad only by controlling the remote controller by one person, reduces the number of operation hands, reduces the labor intensity, has the characteristics of accurate positioning and high operation efficiency, can avoid the problem that the impact influences the precision equipment on the launching pad, and improves the safety. The method for loading and unloading the launching pad provided by the invention has the characteristics of simple operation, high working efficiency, safety and reliability.
The following describes a remote control launch pad transport vehicle and a method for loading and unloading a launch pad of the present invention in detail with reference to the embodiments shown in the drawings.
Drawings
FIG. 1 is a front view of a remotely controlled launch pad transport cart in accordance with the present invention;
FIG. 2 is a top view of a remotely controlled launch pad transport cart in accordance with the present invention;
fig. 3 is a process diagram of a loading and unloading process of a remote control launch pad transport vehicle of the present invention.
Detailed Description
First, it should be noted that, the directional terms such as up, down, left, right, front, rear, etc. described in the present invention are only described with reference to the accompanying drawings for easy understanding, and do not limit the technical solution and the claimed scope of the present invention.
As shown in fig. 1 to 3, a specific embodiment of a remote control launch pad carrier vehicle according to the present invention includes a vehicle body 1, a frame 2 welded to a chassis of the vehicle body 1, front hydraulic legs 3 provided on left and right sides of a front end of the frame 2, a truck-mounted crane 4 provided on an upper side of a rear end of the frame 2, rear hydraulic legs 5 provided on left and right sides of the truck-mounted crane 4, and a support platform 6 welded to the frame 2 between the front hydraulic legs 3 and the truck-mounted crane 4. And a remote controller 7 for controlling the front hydraulic support leg 3, the truck-mounted crane 4 and the rear hydraulic support leg 5 is arranged. The remote control type launching platform transport vehicle with simple structure, convenient operation and control and accurate positioning is formed through the structure. In practical application, after a hanging beam of the truck-mounted crane 4 is connected with the launching platform 100 through the four-leg sling rigging 200, the front hydraulic support leg 3 and the rear hydraulic support leg 5 are controlled to be unfolded through the remote controller 7 to support the transport vehicle, and the truck-mounted crane 4 is controlled through the remote controller 7 to perform actions such as lifting, rotating, falling and the like, so that loading and unloading of the launching platform 100 can be realized. Compared with the prior art, the invention can carry out the loading and unloading operation of the launching pad only by controlling the remote controller 7 by a person, reduces the number of operation hands, reduces the labor intensity, has the characteristics of accurate positioning and high operation efficiency, can avoid the problem that the precision equipment on the launching pad is influenced by impact, and improves the safety.
As a specific embodiment, the present invention provides two tool boxes 8 on the rear upper side of the support platform 6. Through setting up 8 instrument such as can place four hoist cable hoists, prevent wind pull rod, take off and insert cable poles of toolbox, strengthened functional and practicality. In order to fasten the launching pad 100 after loading, the present embodiment has two fastening cables 9 respectively disposed on two sides of the frame 2, and the fastening cables 9 are provided with turn-key bolts for adjusting the length. The launching platform 100 is firmly connected with the frame 2 through the fastening inhaul cable 9, and the safety is guaranteed. In order to facilitate the positioning of the launch pad 100, the present embodiment provides four centrally symmetrically located positioning members 61 on the support platform 6 at the front side of the tool box 8. In order to facilitate the operator to step, the present embodiment is provided with front steps 21 on the left and right sides of the front half of the frame 2, and rear steps 22 on the left and right sides of the rear half of the frame 2.
It should be noted that, in practical application, the front hydraulic support leg 3 and the truck-mounted crane 4 are usually fixed on the frame 2 through bolts, and the rear hydraulic support leg 5 and the truck-mounted crane 4 are integrated, so that convenience in disassembly, assembly and maintenance is improved. And the tool box 8 is welded on the supporting platform 6 to ensure the stability of connection. In the present embodiment, the front step 21 and the rear step 22 are also fixed to the frame 2 by bolts for easy attachment and detachment and maintenance, but the present invention is not limited thereto and welding may be used. In addition, the invention generally selects PK40002-EH produced by Parerfield, and the movable arm oil cylinder, the suspension arm oil cylinder and the telescopic oil cylinder of the lorry-mounted crane 4 are respectively provided with a balance valve, so as to enhance the operation stability and prevent the accidental falling of heavy objects or the accidental falling of arm bodies.
Practical application shows that the remote control type launching pad transport vehicle provided by the invention can produce the following beneficial effects: 1) the hoisting and road transportation of the launching pad with the weight not more than 10t can be completed; 2) the launching platform can be quickly hoisted and accurately positioned; 3) the loading and unloading operation of the launching pad can be realized only by operating the remote controller 7 by a person, so that manpower and material resources are saved; 4) the impact on the launching platform during unloading can be avoided, and the safety of the precision equipment on the launching platform is ensured.
Based on the same conception, the invention also provides a method for loading and unloading the launching pad by using the remote control type launching pad transport vehicle, which comprises the following steps:
firstly, when loading, the launching platform transport vehicle is driven to one side of the launching platform 100 to be in place, and the front hydraulic support legs 3, the rear hydraulic support legs 5 and the truck-mounted crane 4 are ensured to be free of obstacles in the running range.
And secondly, the front hydraulic support legs 3 and the rear hydraulic support legs 5 are unfolded under the control of a remote controller 7, and the launching platform transport vehicle is stably supported.
Thirdly, hanging the four-leg sling 200 on the hanging beam of the truck-mounted crane 4, and controlling the truck-mounted crane 4 through the remote controller 7 to move the four-leg sling 200 to the upper side of the launching platform 100.
And fourthly, after the four-leg sling rigging 200 is connected with the launching platform 100, the truck-mounted crane 4 is controlled by the remote controller 7 to hoist the launching platform 100 to the specified position on the supporting platform 6.
And fifthly, after the four-leg sling rigging 200 is disconnected with the launching platform 100 and the truck crane 4, the truck crane 4 is controlled to be recovered to a non-working state through the remote controller 7.
Sixthly, after two ends of the four fastening cables 9 are correspondingly connected with the frame 2 and the launching platform 100, the tensioning state is realized by rotating the turn buckle. This completes the loading process of the launching pad 100.
Further, the method for loading and unloading the launching pad further comprises the following steps:
and seventhly, when unloading, enabling the transmitting platform transport vehicle to move to a transmitting field to be in place, and ensuring that no obstacles exist in the operation range of the front hydraulic supporting legs 3, the rear hydraulic supporting legs 5 and the truck-mounted crane 4.
Eighthly, the front hydraulic support legs 3 and the rear hydraulic support legs 5 are unfolded under the control of a remote controller 7, and the launching platform transport vehicle is stably supported.
And ninthly, rotating the turn bolts of the four fastening cables 9 to enable the four fastening cables 9 to be in a loose state, and releasing the connection between the fastening cables 9 and the launching platform 100.
And ten, hanging the four-leg sling 200 on a hanging beam of the truck-mounted crane 4, and controlling the truck-mounted crane 4 through a remote controller 7 to move the four-leg sling 200 to the upper side of the launching platform 100.
Eleven, after the four-leg sling rigging 200 is connected with the launching platform 100, the truck-mounted crane 4 is controlled by the remote controller 7 to hoist the launching platform 100 to the designated position of the launching site.
And twelfth, after the four-leg sling rigging 200 is disconnected with the launching platform 100 and the truck crane 4, the truck crane 4 is controlled by the remote controller 7 to be recovered to a non-working state. The unloading process of the launching pad 100 is completed.
The method for loading and unloading the launching pad provided by the invention has the characteristics of simple operation, high working efficiency, safety and reliability.
The above examples are only for describing the preferred embodiments of the present invention, and do not limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the invention defined by the claims without departing from the design concept of the present invention.
Claims (10)
1. A remote control type launching pad transport vehicle comprises a vehicle main body (1), wherein a vehicle frame (2) is welded on a chassis of the vehicle main body (1), and is characterized in that front hydraulic support legs (3) are respectively arranged on the left side and the right side of the front end of the vehicle frame (2), a truck-mounted crane (4) is arranged on the upper side of the rear end of the vehicle frame (2), rear hydraulic support legs (5) are respectively arranged on the left side and the right side of the truck-mounted crane (4), and a support platform (6) is welded on the vehicle frame (2) between the front hydraulic support legs (3) and the truck-mounted crane (4); the device also comprises a remote controller (7) for controlling the front hydraulic support leg (3), the truck-mounted crane (4) and the rear hydraulic support leg (5).
2. A remotely controlled launch pad carriage as claimed in claim 1, characterised in that the support platform (6) is provided with two toolboxes (8) on the upper rear end.
3. The remote control type launch pad transport vehicle according to claim 2, characterized in that two fastening cables (9) are respectively arranged on both sides of the frame (2), and the fastening cables (9) are provided with turn-buckle bolts for adjusting the length.
4. A remotely controlled launch pad carriage as claimed in claim 3, characterised in that the support platform (6) on the front side of the toolbox (8) is provided with four locating elements (61) arranged in a centrosymmetric manner.
5. A remotely controlled launch pad carriage as claimed in claim 4, characterised in that the front half left and right of the frame (2) is provided with a front kick-off ladder (21), respectively.
6. The remotely controlled launch pad carriage according to claim 5, characterised in that the rear half of the frame (2) is provided with rear kick-off ladders (22) on the left and right sides, respectively.
7. A remotely controlled launch pad carriage as claimed in claim 6, characterised in that the front hydraulic leg (3) and the truck crane (4) are bolted to the frame (2) respectively, the rear hydraulic leg (5) is integrated with the truck crane (4), the toolbox (8) is fixed to the support platform (6) by welding, and the front step ladder (21) and the rear step ladder (22) are bolted to the frame (2) respectively.
8. The remotely controlled launch pad carriage according to claim 6, characterised in that the boom cylinder, the jib cylinder and the telescopic cylinder of the truck-mounted crane (4) are provided with balancing valves, respectively.
9. A method of loading and unloading a launch pad with the remotely controlled launch pad transport cart of claim 4, comprising the steps of:
firstly, when loading, the launching platform transport vehicle is driven to one side of the launching platform (100) to be in place, and no obstacles are left in the running range of the front hydraulic support leg (3), the rear hydraulic support leg (5) and the truck-mounted crane (4);
secondly, the front hydraulic support legs (3) and the rear hydraulic support legs (5) are unfolded under the control of a remote controller (7) and stably support the launching platform transport vehicle;
thirdly, hanging a four-leg sling rigging (200) on a hanging beam of the truck-mounted crane (4), and controlling the truck-mounted crane (4) to move the four-leg sling rigging (200) to the upper side of the launching platform (100) through a remote controller (7);
fourthly, after the four-leg sling rigging (200) is connected with the launching platform (100), the truck-mounted crane (4) is controlled by the remote controller (7) to hoist the launching platform (100) to the specified position on the supporting platform (6);
fifthly, after the four-leg sling rigging (200) is disconnected with the launching platform (100) and the truck crane (4), the truck crane (4) is controlled to be recovered to a non-working state through the remote controller (7);
sixthly, connecting two ends of the four fastening inhaul cables (9) with the frame (2) and the launching platform (100) correspondingly, and then enabling the two fastening inhaul cables to be in a tensioning state by rotating the turn buckle; thus, the loading process of the launching platform (100) is completed.
10. The method of loading and unloading a launch pad of claim 9, further comprising the steps of:
seventhly, when unloading, enabling the transmitting platform transport vehicle to move to a transmitting field to be in place, and ensuring that no obstacles exist in the operation range of the front hydraulic support leg (3), the rear hydraulic support leg (5) and the truck-mounted crane (4);
eighthly, the front hydraulic support leg (3) and the rear hydraulic support leg (5) are unfolded under the control of a remote controller (7), and the launching platform transport vehicle is stably supported;
ninthly, rotating the turn buckle bolts of the four fastening inhaul cables (9) to enable the turn buckle bolts to be in a loose state, and releasing the connection between the fastening inhaul cables (9) and the launching platform (100);
ten, hanging a four-leg sling rigging (200) on a hanging beam of the truck-mounted crane (4), and controlling the truck-mounted crane (4) through a remote controller (7) to move the four-leg sling rigging (200) to the upper side of the launching platform (100);
eleven, after the four-leg sling rigging (200) is connected with the launching platform (100), the truck-mounted crane (4) is controlled by a remote controller (7) to hoist the launching platform (100) to the specified position of a launching site;
after the four-leg sling rigging (200) is disconnected with the launching platform (100) and the truck crane (4), the truck crane (4) is controlled to be recovered to a non-working state through a remote controller (7); thus, the unloading process of the launching platform (100) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571574.XA CN111717102A (en) | 2020-06-22 | 2020-06-22 | Remote control type launching pad transport vehicle and launching pad loading and unloading method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571574.XA CN111717102A (en) | 2020-06-22 | 2020-06-22 | Remote control type launching pad transport vehicle and launching pad loading and unloading method |
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| CN111717102A true CN111717102A (en) | 2020-09-29 |
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| CN202010571574.XA Pending CN111717102A (en) | 2020-06-22 | 2020-06-22 | Remote control type launching pad transport vehicle and launching pad loading and unloading method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298004A (en) * | 2020-10-09 | 2021-02-02 | 中国电子科技集团公司第三十八研究所 | Z-shaped integrated radar transportation platform |
| CN113739633A (en) * | 2021-08-24 | 2021-12-03 | 湖北航天技术研究院总体设计所 | Rocket transport vehicle, carrier rocket launching system and method |
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| CN113739633A (en) * | 2021-08-24 | 2021-12-03 | 湖北航天技术研究院总体设计所 | Rocket transport vehicle, carrier rocket launching system and method |
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Application publication date: 20200929 |
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| RJ01 | Rejection of invention patent application after publication |