Walking structure for rocket engine transferring and assembling

Abstract

The embodiment of the utility model provides a walking structure for transporting and assembling a rocket engine. The walking structure comprises a walking seat, a driven wheel assembly, a driving wheel assembly and a connecting piece, wherein the driven wheel assembly, the driving wheel assembly and the connecting piece are arranged on the walking seat; a plurality of through grooves are formed in the walking seat; wheels are arranged on the driven wheel assembly and the driving wheel assembly; the driving wheel assembly and the driven wheel assembly are both fixed to the top face of the walking base and connected through a connecting piece. The wheels penetrate through the through grooves and extend out of the bottom face of the walking base, and the driving wheel assembly acts and drives the walking base to advance through the wheels. The walking mechanism is reasonable in structural arrangement and comprises a walking seat, a driven wheel assembly, a driving wheel assembly and a connecting piece, wherein the driven wheel assembly, the driving wheel assembly and the connecting piece are arranged on the walking seat; walking driving can be effectively achieved through the driving wheel assembly, walking effectiveness and walking stability and reliability are guaranteed, and walking driving difficulty can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of rocket engine transport technology, specifically to a walking structure for rocket engine transport and assembly. Background Technology

[0002] In the exploration of space beyond Earth, rockets are a relatively common tool structure. During rocket manufacturing, it is necessary to assemble the engine and the rocket body. Due to the large size of rocket engines, corresponding transfer and assembly fixtures are required during the assembly process. Chinese patent application number 202010936714.9, entitled "A Transfer Platform for Docking Rocket Engine and Rocket Body with Positioning Structure," includes a transfer platform body, which comprises a transfer platform, an electric motor, a steel frame connecting plate, and a load-bearing steel plate. The upper part of the transfer platform is provided with a steel frame connecting plate, and the upper side of the steel frame connecting plate is provided with an electric motor. A caster wheel is provided on the bottom surface of the load-bearing steel plate, which enables movement during use.

[0003] In the process of realizing this utility model, the inventors discovered that the prior art has at least the following problems: it only has universal wheels, which are heavy when the rocket engine is placed, which is not conducive to walking and driving, and is also not conducive to steering operation. This will affect the effectiveness and stability of walking to a certain extent, and will also greatly increase labor costs, thus limiting its applicability and practicality. Utility Model Content

[0004] In view of this, the purpose of this utility model embodiment is to provide a walking structure for rocket engine transfer and assembly that has a reasonable structural design and is conducive to improving the stability and reliability of walking.

[0005] To achieve the above objectives, this utility model provides a walking structure for transporting and assembling rocket engines, including a walking base, a driven wheel assembly, a driving wheel assembly, and a connecting member disposed on the walking base;

[0006] The walking seat is provided with several through slots;

[0007] Both the driven wheel assembly and the driving wheel assembly are provided with wheels;

[0008] Both the driving wheel assembly and the driven wheel assembly are fixed to the top surface of the travel seat, and the driving wheel assembly and the driven wheel assembly are connected by the connector;

[0009] The wheel passes through the through groove and extends out of the bottom surface of the travel seat. The drive wheel assembly moves and drives the travel seat forward through the wheel.

[0010] A further preferred embodiment is that the drive wheel assembly includes a drive motor, a steering motor, a main gear, a driven gear, a steering transmission structure, a crank, and a connecting rod;

[0011] The drive motor and the steering motor are fixed to the walking seat;

[0012] The wheel is connected to the driven gear via the crank, the master gear is fixed to the drive motor, and the master gear meshes with the driven gear;

[0013] A connecting block is provided on the crank, and the two ends of the connecting rod are rotatably connected to the connecting block via shafts;

[0014] The steering motor is connected to the crank through the steering transmission structure, and the steering motor drives the crank to complete the steering by moving through the steering transmission structure.

[0015] A further preferred embodiment is that a decorative skirt is fixed to the top edge of the walking seat.

[0016] A further preferred embodiment is that a support leg assembly is fixed to the side of the walking seat;

[0017] The walking seat achieves support and limitation through the support leg assembly.

[0018] A further preferred embodiment is that the support leg assembly includes a connecting arm, a telescopic arm, a telescopic electric cylinder, a lifting electric cylinder, and a support leg;

[0019] The connecting arm is fixed on the walking seat, the telescopic arm is inserted into the recessed areas at both ends of the connecting arm, and the telescopic electric cylinder is fixed between the telescopic arm and the recessed area of ​​the connecting arm.

[0020] The lifting cylinder is fixed to the end of the telescopic arm and the support leg is fixed to the bottom end of the lifting cylinder.

[0021] A further preferred embodiment is that the bottom end of the support leg is fixed with a foot pad.

[0022] A further preferred embodiment is that the walking seat is a circular structure.

[0023] The above technical solution has the following beneficial effects:

[0024] 1. The structure of this utility model is reasonable, including a walking seat, a driven wheel assembly, a driving wheel assembly and a connecting member disposed on the walking seat; the driving wheel assembly can effectively realize walking drive, ensure the effectiveness and stability of walking, and also help reduce the difficulty of walking drive.

[0025] 2. The drive wheel assembly includes a drive motor, a steering motor, a main gear, a driven gear, a steering transmission structure, a crank, and a connecting rod. Through the drive motor, the main gear, and the driven gear, the effective movement of the crank and the wheel connected to the crank can be achieved. Moreover, through the steering transmission structure and the connecting rod, the reliability of the steering drive can be effectively achieved, and the synchronicity and stability of the wheel steering can be ensured through the connecting rod.

[0026] 3. A support leg assembly is fixed to the side of the walking seat. The support leg assembly can provide support and limit the movement when the walking seat stops, thereby improving the stability of use.

[0027] 4. The support leg assembly includes a connecting arm, a telescopic arm, a telescopic electric cylinder, a lifting electric cylinder, and outriggers. It can ensure the parallelism of the mating surface between the engine and the test bench thrust frame when the ground is uneven, improve the stability and reliability of transportation and assembly, and also help to improve the ease of assembly. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0030] Figure 2 This is an overall structural diagram of the walking seat, driven wheel assembly, driving wheel assembly, and connecting member in an embodiment of this utility model;

[0031] Figure 3 This is a schematic diagram of the specific structure of the drive wheel assembly in an embodiment of this utility model;

[0032] Figure 4 This is another structural view of the drive wheel assembly in an embodiment of this utility model;

[0033] Figure 5 This is a cross-sectional view of the support leg assembly in an embodiment of the present invention.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Walking seat; 2. Driven wheel assembly;

[0036] 3. Drive wheel assembly; 31. Drive motor; 32. Steering motor; 33. Main gear; 34. Driven gear; 35. Steering transmission structure; 36. Crank; 37. Connecting rod;

[0037] 4. Connector; 5. Through slot; 6. Wheel; 7. Connecting block; 8. Decorative skirt;

[0038] 9. Support leg assembly; 91. Connecting arm; 92. Telescopic arm; 93. Telescopic electric cylinder; 94. Lifting electric cylinder; 95. Outrigger;

[0039] 10. Foot pads. Detailed Implementation

[0040] The features and exemplary embodiments of various aspects of this utility model will now be described in detail. Numerous specific details are set forth in the following detailed description to provide a comprehensive understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without requiring some of these specific details. The following description of embodiments is merely intended to provide a better understanding of this utility model by illustrating examples of it. In the accompanying drawings and the following description, at least some well-known structures and techniques have not been shown to avoid unnecessarily obscuring the utility model; and, for clarity, the dimensions of some structures may be exaggerated. Furthermore, the features, structures, or characteristics described below can be combined in any suitable manner in one or more embodiments.

[0041] like Figures 1 to 5 As shown, a walking structure for transporting and assembling rocket engines includes a walking base 1, a driven wheel assembly 2, a driving wheel assembly 3, and a connecting member 4 mounted on the walking base 1. The walking base 1 is a circular structure. In practical applications, it can also be other common shapes. The connecting member 4 is mainly used to connect the driving wheel assembly 3 and the driven wheel assembly 2. In practical applications, the walking base 1 is provided with several through slots 5. Both the driven wheel assembly 2 and the driving wheel assembly 3 are provided with wheels 6. During assembly, the driving wheel assembly 3 and the driven wheel assembly 2 are fixed to the top surface of the walking base 1, and the driving wheel assembly 3 and the driven wheel assembly 2 are connected by the connecting member 4. The wheels 6 pass through the through slots 5 and extend out of the bottom surface of the walking base 1. The driving wheel assembly 3 moves and drives the walking base 1 to move through the wheels 6. In this embodiment, in practical applications, a support structure can be provided on the top surface of the walking base 1 to support and place the rocket engine. Through the above structure, the effectiveness and stability of the movement can be guaranteed.

[0042] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the drive wheel assembly 3 includes a drive motor 31, a steering motor 32, a main gear 33, a driven gear 34, a steering transmission structure 35, a crank 36, and a connecting rod 37. Both the main gear 33 and the driven gear 34 are bevel gears. During assembly, the drive motor 31 and the steering motor 32 are fixed to the travel mount 1. During assembly, the wheel 6 is connected to the driven gear 34 via the crank 36, and the main gear 33 is fixed to the drive motor 31, meshing with the driven gear 34. The drive motor 31 controls the drive of the wheel 6 through the main gear 33 and the driven gear 34. A connecting block 7 is provided on the crank 36, and both ends of the connecting rod 37 are rotatably connected to the connecting block 7 via shafts. Furthermore, the steering motor 32 is connected to the crank 36 via the steering transmission structure 35, and the movement of the steering motor 32 drives the crank 36 through the steering transmission structure 35 to complete the steering. The steering motor 32 can realize the steering drive control of the crank 36, improve the steering effectiveness and smoothness, and the overall structure is simple, which helps to reduce processing costs and improve assembly efficiency.

[0043] like Figure 1 , Figure 2 As shown, a decorative skirt 8 is fixed to the top edge of the walking seat 1. This decorative skirt 8 helps to protect the internal structure and also enhances the decorative effect.

[0044] like Figure 1 and Figure 5 As shown, a support leg assembly 9 is fixed to the side of the walking seat 1; the walking seat 1 achieves support and limitation through the support leg assembly 9. The support leg assembly 9 includes a connecting arm 91, a telescopic arm 92, a telescopic electric cylinder 93, a lifting electric cylinder 94, and a foot 95; the connecting arm 91 is fixed to the walking seat 1, the telescopic arm 92 is inserted into the recessed areas at both ends of the connecting arm 91, and the telescopic electric cylinder 93 is fixed between the telescopic arm 92 and the recessed area of ​​the connecting arm 91; the lifting electric cylinder 94 is fixed to the end of the telescopic arm 92, and the foot 95 is fixed to the bottom end of the lifting electric cylinder 94. A foot pad 10 is fixed to the bottom end of the foot 95.

[0045] In this embodiment, the telescopic electric cylinder 93 and the lifting electric cylinder 94 are conventional structures in the prior art, and are simply applied, so they are not described in detail. With the above structure, the telescopic electric cylinder 93 can be used to adjust different positions to ensure that a suitable support point is found. The lifting electric cylinder 94 can also be used for lifting adjustment. There are four lifting electric cylinders 94, and they are set individually, that is, the corresponding height can be set individually. When the ground is uneven, it is beneficial to ensure the parallelism of the mating surface between the engine and the test bench thrust frame, and improve the assembly accuracy and effectiveness. In actual application, ball bearings are provided between the recessed areas of the telescopic arm 92 and the connecting arm 91, which can improve the effectiveness and smoothness of telescopic movement.

[0046] The above technical solution has the following beneficial effects:

[0047] 1. The structure of this utility model is reasonable. It includes a walking seat, a driven wheel assembly, a driving wheel assembly, and a connecting member mounted on the walking seat. The driving wheel assembly can effectively realize walking drive, ensure the effectiveness and stability of walking, and also help reduce the difficulty of walking drive.

[0048] 2. The drive wheel assembly includes a drive motor, a steering motor, a main gear, a driven gear, a steering transmission structure, a crank, and a connecting rod. The drive motor, in conjunction with the main gear and the driven gear, enables the effective movement of the crank and the wheels connected to the crank. Furthermore, the steering transmission structure, in conjunction with the connecting rod, effectively ensures the reliability of the steering drive and guarantees the synchronicity and stability of the wheel steering.

[0049] 3. A support leg assembly is fixed to the side of the walking seat. This support leg assembly can provide support and limit the movement when the walking seat stops, thereby improving the stability of use.

[0050] 4. The support leg assembly includes a connecting arm, a telescopic arm, a telescopic electric cylinder, a lifting electric cylinder, and outriggers. This can ensure the parallelism of the mating surface between the engine and the test bench thrust frame when the ground is uneven, improve the stability and reliability of transportation and assembly, and also help to improve the ease of assembly.

[0051] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing the utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model. Furthermore, the terms "first," "second," or "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0052] Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" in this utility model should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integrated connections; similarly, they can refer to mechanical connections, electrical connections, or direct connections, or indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0053] Although the present invention has been described with reference to preferred embodiments, various modifications can be made thereto and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner, provided there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A walking structure for transporting and assembling rocket engines, characterized in that: It includes a walking seat (1), a driven wheel assembly (2), a driving wheel assembly (3), and a connecting member (4) disposed on the walking seat (1); The walking seat (1) is provided with several through slots (5); Both the driven wheel assembly (2) and the driving wheel assembly (3) are provided with wheels (6); The driving wheel assembly (3) and the driven wheel assembly (2) are both fixed to the top surface of the traveling seat (1), and the driving wheel assembly (3) and the driven wheel assembly (2) are connected by the connector (4); The wheel (6) passes through the through groove (5) and extends out of the bottom surface of the walking seat (1). The drive wheel assembly (3) moves and drives the walking seat (1) through the wheel (6).

2. The walking structure for transporting and assembling rocket engines according to claim 1, characterized in that: The drive wheel assembly (3) includes a drive motor (31), a steering motor (32), a main gear (33), a driven gear (34), a steering transmission structure (35), a crank (36), and a connecting rod (37). The drive motor (31) and the steering motor (32) are fixed on the walking seat (1); The wheel (6) is connected to the driven gear (34) via the crank (36), the main gear (33) is fixed on the drive motor (31), and the main gear (33) meshes with the driven gear (34); A connecting block (7) is provided on the crank (36), and the two ends of the connecting rod (37) are rotatably connected to the connecting block (7) through a shaft; The steering motor (32) is connected to the crank (36) through the steering transmission structure (35). The steering motor (32) drives the crank (36) to complete the steering by moving through the steering transmission structure (35).

3. The walking structure for transporting and assembling rocket engines according to claim 1, characterized in that: A decorative skirt (8) is fixed to the top edge of the walking seat (1).

4. The walking structure for transporting and assembling rocket engines according to claim 1, characterized in that: The side of the walking seat (1) is fixed with a support leg assembly (9). The walking seat (1) is supported and limited by the support leg assembly (9).

5. A walking structure for transporting and assembling rocket engines according to claim 4, characterized in that: The support leg assembly (9) includes a connecting arm (91), a telescopic arm (92), a telescopic electric cylinder (93), a lifting electric cylinder (94), and a support leg (95). The connecting arm (91) is fixed on the walking seat (1), the telescopic arm (92) is inserted into the recessed areas at both ends of the connecting arm (91), and the telescopic electric cylinder (93) is fixed between the telescopic arm (92) and the recessed area of ​​the connecting arm (91). The lifting cylinder (94) is fixed to the end of the telescopic arm (92) and the support leg (95) is fixed to the bottom end of the lifting cylinder (94).

6. A walking structure for transporting and assembling rocket engines according to claim 5, characterized in that: The bottom end of the support leg (95) is fixed with a foot pad (10).

7. The walking structure for transporting and assembling rocket engines according to claim 1, characterized in that: The walking seat (1) is a circular structure.

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