Passenger car body assembling equipment

Abstract

The invention relates to passenger car body assembling equipment. The equipment comprises two groups of combining mechanisms with the same structure, and the core configuration is as follows: an escalator is arranged on the outer side of a main rack, a standing platform is arranged on a table top, and combining frames are oppositely arranged on the inner side; the combined mounting frame is connected with the main rack through a vertical plate-shaped bearing frame (with a horizontal extending supporting part and a guide hole), the combined mounting frame is fixedly connected with a cylindrical guide rod, a rod body is inserted into the guide hole to achieve horizontal reciprocating motion, and a plurality of combined mounting beams capable of being adjusted up and down or / and left and right are arranged on the combined mounting frame. A transmission system on the main rack provides power for the combined rack and cooperates with the bearing rack and the guide rod to prevent separation; the laser correction system controls the moving distance of the combined mounting frame; the control system is only arranged on one combination mechanism, overall operation of equipment is controlled in an overall manner, the structure is simple, and functions are complete.

Description

Technical Field

[0001] This invention belongs to the field of bus manufacturing, specifically a bus body assembly equipment. Background Technology

[0002] Bus body assembly is a core process that determines the overall assembly precision and structural strength of the vehicle. Its core requirements are to achieve flexible adaptation of different body specifications (such as new energy buses and highway buses), millimeter-level assembly precision control, and safety and stability during the operation. As the bus industry develops towards customization and lightweighting, assembly equipment must simultaneously meet three core requirements: "multi-model compatibility," "high-precision positioning," and "high safety redundancy."

[0003] Currently, the industry's vehicle body assembly equipment has formed a basic framework of "bench support + transmission drive + precision calibration," but there are still significant deficiencies in key structural design and functional adaptability: (i) Vague load-bearing and guiding structure, resulting in insufficient operational stability: In existing assembly equipment, the connection between the assembly frame and the main frame mostly relies on the cooperation of "load-bearing frame + guide rod" to achieve reciprocating movement. However, the relevant technologies have extremely vague structural definitions for the core components. For example, some equipment only mentions "sliding through guide components" without specifying the installation form of the load-bearing frame and the cooperation method of the guide rod, which often leads to problems such as sliding jamming and uneven force distribution in practical applications.

[0004] (ii) Poor adjustment flexibility and limited versatility of the assembly frame: In order to adapt to bus bodies with different wheelbases and widths, the assembly frame needs to have multi-dimensional adjustment capabilities, but the existing technology has obvious shortcomings because the existing assembly frame is just a simple frame that cannot be adjusted.

[0005] In view of the above-mentioned defects in the prior art, the present invention aims to provide a bus body assembly equipment with a clear structure, strong adaptability, and high safety and reliability. By clarifying the form of the load-bearing guide structure and optimizing the driving method of the assembly beam, the problem of insufficient stability and poor versatility of the existing equipment is solved. Summary of the Invention

[0006] In view of the shortcomings of existing bus body assembly equipment, the technical problem to be solved by the present invention is to provide a bus body assembly equipment with clear structure, strong adaptability, and safety and reliability, by clarifying the form of the load-bearing guide structure and optimizing the driving mode of the assembly beam, thereby solving the problems of insufficient stability and poor versatility of the existing equipment.

[0007] To achieve the above objectives, according to one aspect of the present invention, the invention is implemented through the following technical measures: a bus body assembly device, comprising: two sets of assembly mechanisms with identical structures, wherein the assembly mechanism includes: The main frame is equipped with a ladder on its outer side and a standing platform on the main frame for people to stand on. The assembly frame is equipped with multiple assembly beams that can be adjusted vertically and / or horizontally. The assembly frame is connected to the main frame via several support frames mounted on the main frame. Each support frame is a vertically arranged plate structure with a horizontally extending support at one end. The support is provided with a through guide hole. Each assembly frame is fixedly connected with a guide rod corresponding to a support frame. Each guide rod is a cylindrical rod with one end fixedly connected to the assembly frame and the other end movably inserted into the guide hole of the support frame. The sliding fit between the guide rod and the guide hole allows the assembly frame to move back and forth in the horizontal direction. The assembly rack is located inside the main frame, and the assembly racks on the two main frames are arranged opposite each other. The transmission system is located on the main frame and provides power for the assembly frame to move back and forth. The transmission system works with the support frame and guide rod to prevent the assembly frame from completely separating from the main frame. A laser correction system, wherein the laser correction system is used to control the movement distance of the assembly frame; A control system, which is installed on only one of the assembly mechanisms, is used to control the operation of the equipment.

[0008] This bus body assembly equipment utilizes the precise coordination of a vertical plate-shaped support frame and a horizontally extending support section, along with cylindrical guide rods and guide holes, to prevent operational jamming and improve the load-bearing stability and positioning accuracy of the assembly frame. The multi-dimensional adjustment structure of the assembly beam adapts to the needs of multiple vehicle models without requiring tooling changes, while maintaining load-bearing reliability. A dual anti-separation mechanism is formed through the synergy of the transmission system and the load-bearing guide structure, eliminating the need for additional protective components and significantly increasing safety redundancy. The design of the main frame's standing platform and ladder ensures ease of operation and avoids operational interference. Through the coordinated operation of the transmission, laser correction, and control systems, millimeter-level precision assembly is achieved, enhancing automation and meeting the industry's demand for high precision and high safety.

[0009] Furthermore, the main platform has a railing on the outside of the standing platform, with gaps on both sides of the railing, and a ladder is installed at the gap.

[0010] Furthermore, the assembly frame is frame-shaped and consists of two horizontal bars and several vertical bars connecting the two horizontal bars. A horizontally arranged assembly beam is provided between the two horizontal bars and on the outer vertical bars of the two horizontal bars. The middle assembly beam can be adjusted vertically, and the assembly beams on both sides can be adjusted not only vertically but also horizontally.

[0011] Furthermore, the central assembly beam and several vertical bars of the assembly frame are provided with corresponding connecting plates. Each connecting plate has several connecting grooves, and screws are used to fix the beams. The two side assembly beams and the two horizontal bars of the assembly frame are also provided with corresponding connecting plates I. Each connecting plate I has several connecting grooves I. A right angle iron is also provided between two opposing connecting plates I. The right angle iron has connecting grooves II that connect to the connecting grooves I. The connecting grooves I and II are fixed together by bolts. The central assembly beam is adjusted in position by fixing different connecting grooves on the two connecting plates with bolts. The two side assembly beams are adjusted in position by fixing different connecting grooves I and connecting grooves II with bolts.

[0012] Furthermore, the transmission system includes a servo motor, a reducer, a main drive shaft, and a worm gear screw jack. Some or all of the several vertical rods are equipped with worm gear screw jacks. The other side of the worm gear screw jack is fixed to the assembly frame. The servo motor drives the reducer and the main drive shaft to rotate forward or in reverse. The main drive shaft drives the worm gear screw jack to move the assembly frame back and forth.

[0013] Furthermore, the transmission system consists of two sets, arranged vertically. Each of the vertical rods is equipped with a screw jack, and adjacent screw jacks are connected by a main drive shaft. The main drive shaft and the screw jack are connected by a coupling. The main drive shaft is a screw, and the reducer is a double-headed reducer located at the screw jack in the middle.

[0014] Compared with existing technologies, the advantages of this invention are as follows: Through the sliding cooperation of the vertical plate-shaped support frame and the cylindrical guide rod, combined with the frame-type assembly frame and multi-dimensional adjustable assembly beam, and the slotted fixing of the connecting plate and right-angle iron, flexible adaptation and stable connection of multiple vehicle models are achieved; relying on two sets of vertically distributed servo motor-double-head reducer-worm screw lifting transmission systems, combined with laser correction and control systems, millimeter-level precise assembly is achieved; through the collaborative anti-separation design of the transmission system and the support guide structure, and the combination of a standing platform with railings and a gap-type escalator, dual safety protection for equipment and personnel is constructed, combining operational stability, ease of operation, and high automation efficiency, fully meeting the high precision, high safety, and high flexibility requirements of bus assembly. Attached Figure Description

[0015] The accompanying drawings illustrate exemplary embodiments of the present disclosure and, together with their description, serve to explain the principles of the disclosure. These drawings are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification. In the drawings: Figure 1 This is a schematic diagram of a bus body assembly equipment according to the present invention.

[0016] Figure 2 This is a schematic diagram of the assembly frame structure described in this invention.

[0017] Figure 3 for Figure 2 Enlarged view of section AA in the middle.

[0018] Figure 4 for Figure 2 Enlarged view of section BB in the middle.

[0019] Figure 5 This is a schematic diagram of the connecting plate structure described in this invention.

[0020] The specific labels in the attached figures are as follows: 1. Main frame; 2. Assembly frame; 3. Transmission system; 4. Control system; 5. Fence; 6. Notch; 7. Ladder; 8. Standing platform; 9. Bearing frame; 10. Support unit; 11. Guide rod; 12. Connecting plate; 13. Connecting groove; 14. Connecting plate I; 15. Connecting groove I; 16. Right angle iron; 17. Connecting groove II; 18. Servo motor; 19. Reducer; 20. Main drive shaft; 21. Worm screw jack; 22. Assembly beam. Detailed Implementation

[0021] For descriptive purposes, this disclosure may use spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side (e.g., as in a “sidewall”)” to describe the relationship between one component and another component as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, the spatial relative terms are also intended to encompass different orientations of the device during use, operation, and / or manufacture. For example, if the device in the drawings is flipped, a component described as “below” or “under” other components or features would subsequently be positioned “above” said other components or features. Thus, the exemplary term “below” can encompass both “above” and “below” orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.

[0022] Please refer to Figure 1The bus body assembly equipment provided in this embodiment includes: two sets of assembly mechanisms with the same structure, which are arranged opposite to each other and each includes a main frame 1, an assembly frame 2, a transmission system 3 and a laser correction system. A control system 4 is also attached to one of the assembly mechanisms. The main frame 1 is divided into two layers. The upper main frame 1 has a fence 5 on its outer side. There are two openings 6 in the fence 5, and a ladder 7 that contacts the ground is fixed at the openings 6. A standing platform 8 for people to stand on is formed on the main frame 1 at the fence 5. The laser correction system is used to control the moving distance of the assembly frame 2, and the control system 4 is used to control the operation of the equipment.

[0023] Combination Figures 2-5 Continuing the explanation, the aforementioned assembly frame 2 is frame-shaped, consisting of two horizontal bars and several vertical bars connecting the two horizontal bars. A horizontally arranged assembly beam 22 is provided between the two horizontal bars and on the outer vertical bars of the two horizontal bars. The assembly beam 22 can be adjusted vertically and / or horizontally. As a preferred structure, the middle assembly beam 22 can be adjusted vertically, while the assembly beams 22 on both sides can be adjusted both vertically and horizontally. The aforementioned assembly frame 2 is connected to the main platform 1 via several support frames 9 mounted on the main platform 1 (preferably, each vertical bar is equipped with...). A support frame 9 is provided, with one at the top and one at the bottom of each vertical rod. The support frame 9 is a vertically arranged plate structure, with a horizontally extending support part 10 at one end. The support part 10 has a through guide hole. The assembly frame 2 is fixedly connected with a guide rod 11 corresponding to the support frame 9. The guide rod 11 is a cylindrical rod, with one end fixedly connected to the assembly frame 2 and the other end movably inserted into the guide hole of the support frame 9 fixed on the main frame 1. The assembly frame 2 can move back and forth in the horizontal direction through the sliding cooperation between the guide rod 11 and the guide hole.

[0024] The aforementioned central assembly beam 22 and several vertical bars of the assembly frame 2 are each provided with corresponding connecting plates 12. Several connecting grooves 13 are machined on the connecting plates 12. The plates are fixed by screws passing through the connecting grooves 13 of the two connecting plates 12. The aforementioned two side assembly beams 22 and two horizontal bars of the assembly frame 2 are also provided with corresponding connecting plates I 14. Several connecting grooves I 15 are machined on the connecting plates I 14. At the same time, a right angle iron 16 is fixed between the two opposite connecting plates I 14. The right angle iron 16 is machined with connecting grooves II 17 that connect to the connecting grooves I 15. The connecting grooves I 15 and connecting grooves II 17 are fixed by bolts. In this design, the central assembly beam 22 is adjusted up and down by fixing different connecting grooves 13 on the two connecting plates 12 with bolts. The aforementioned two side assembly beams 22 are adjusted up, down, left and right by fixing different connecting grooves I 15 and connecting grooves II 17 with bolts.

[0025] The aforementioned transmission system 3 is fixed on the main frame 1 and provides power for the assembly frame 2 to move back and forth. The transmission system 3, together with the support frame 9 and the guide rod 11, prevents the assembly frame 2 from completely separating from the main frame 1. The aforementioned transmission system 3 includes a servo motor 18, a reducer 19, a main drive shaft 20, and a worm gear screw jack 21. Some or all of the vertical rods are fixed with the worm gear screw jack 21. The other side (i.e. the pushing side) of the worm gear screw jack 21 is fixed to the assembly frame 2. The aforementioned servo motor 18 is used to drive the reducer 19 and the main drive shaft 20 to rotate forward or reverse. The main drive shaft 20 drives the worm gear screw jack 21 to drive the assembly frame 2 to move back and forth.

[0026] As a preferred structure, the transmission system 3 consists of two sets, arranged vertically. Each of the vertical rods is equipped with a screw jack 21. Adjacent screw jacks 21 are connected by a main drive shaft 20, and the main drive shaft 20 is connected to the screw jack 21 by a coupling. The main drive shaft 20 is a screw, and the reducer 19 is a double-head reducer located at the middle screw jack 21.

[0027] During processing, the servo motor 18 drives the reducer 19 and the drive shaft 20 to rotate. The drive shaft 20 drives the worm gear screw jack 21 to move through the coupling, thereby causing the assembly frame 2 to move back and forth. When assembling different frames, the position of each assembly beam 22 is adjusted for processing.

[0028] In the description of this specification, the references to terms such as "one embodiment / mode," "some embodiments / modes," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment / mode or example is included in at least one embodiment / mode or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment / mode or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments / modes or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments / modes or examples described in this specification, as well as the features of different embodiments / modes or examples.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] Those skilled in the art should understand that the above embodiments are merely for illustrating the present disclosure and are not intended to limit the scope of the disclosure. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present disclosure.

Claims

1. A bus body assembly device, comprising: Two sets of identical assembly mechanisms, characterized in that: the assembly mechanism includes: The main frame is equipped with a ladder on its outer side and a standing platform on the main frame for people to stand on. The assembly frame is equipped with multiple assembly beams that can be adjusted vertically and / or horizontally. The assembly frame is connected to the main frame via several support frames mounted on the main frame. The support frame is a vertically arranged plate structure with a horizontally extending support at one end. The support has a through guide hole. The assembly frame is fixedly connected with guide rods that correspond one-to-one with the support frames. The guide rods are cylindrical rods with one end fixedly connected to the assembly frame and the other end movably inserted into the guide hole of the support frame. The sliding fit between the guide rod and the guide hole allows the assembly frame to move back and forth in the horizontal direction. The assembly rack is located inside the main frame, and the assembly racks on the two main frames are arranged opposite each other. The transmission system is located on the main frame and provides power for the assembly frame to move back and forth. The transmission system works with the support frame and guide rod to prevent the assembly frame from completely separating from the main frame. A laser correction system, wherein the laser correction system is used to control the movement distance of the assembly frame; A control system, which is installed on only one of the assembly mechanisms, is used to control the operation of the equipment.

2. The bus body assembly equipment according to claim 1, characterized in that: The main platform has a railing on the outside of the standing platform, and there are gaps on both sides of the railing, where ladders are installed.

3. The bus body assembly equipment according to claim 1, characterized in that: The assembly frame is frame-shaped and consists of two horizontal bars and several vertical bars connecting the two horizontal bars. A horizontally arranged assembly beam is provided between the two horizontal bars and on the outer vertical bars of the two horizontal bars. The middle assembly beam can be adjusted vertically, and the assembly beams on both sides can be adjusted not only vertically but also horizontally.

4. The bus body assembly equipment according to claim 3, characterized in that: The central assembly beam and several vertical bars of the assembly frame are equipped with corresponding connecting plates. Each connecting plate has several connecting grooves, and screws are used to fix the beams. The two side assembly beams and two horizontal bars of the assembly frame are also equipped with corresponding connecting plates I. Each connecting plate I has several connecting grooves I. A right angle iron is also provided between two opposing connecting plates I. The right angle iron has connecting grooves II that connect to the connecting grooves I. The connecting grooves I and II are fixed together by bolts. The central assembly beam is adjusted in position by fixing different connecting grooves on the two connecting plates with bolts. The two side assembly beams are adjusted in position by fixing different connecting grooves I and connecting grooves II with bolts.

5. The bus body assembly equipment according to claim 1, characterized in that: The transmission system includes a servo motor, a reducer, a main drive shaft, and a worm gear screw jack. Some or all of the vertical rods are equipped with worm gear screw jacks. The other side of the worm gear screw jack is fixed to the assembly frame. The servo motor drives the reducer and the main drive shaft to rotate forward or in reverse. The main drive shaft drives the worm gear screw jack to move the assembly frame back and forth.

6. The bus body assembly equipment according to claim 5, characterized in that: The transmission system consists of two sets, arranged vertically. Each of the vertical rods is equipped with a screw jack, and adjacent screw jacks are connected by a main drive shaft. The main drive shaft and the screw jack are connected by a coupling. The main drive shaft is a screw, and the reducer is a double-headed reducer located at the screw jack in the middle.

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