A high-speed maglev car body manufacturing device and method

Abstract

This invention discloses a high-speed maglev car body production apparatus and method, relating to the field of maglev car manufacturing technology. It includes at least one of the following: a chassis fixing fixture, a roof support fixing fixture, a side wall support fixing fixture, an end wall support fixing fixture, and a door pillar installation fixture. By setting corresponding fixtures, this invention can fix at least one of the chassis components, roof components, side wall components, end wall components, and door pillar components during production, ensuring ease of operation, production efficiency, and assembly accuracy during assembly. Furthermore, the precise positioning of the car body components avoids the increased costs caused by multiple adjustments during the overall car body assembly process. The high-speed maglev car body production method disclosed in this invention is used to assemble high-speed maglev car bodies using the aforementioned high-speed maglev car body production apparatus. By applying this apparatus and method, the overall assembly of a high-speed maglev train car body can be completed with high precision, high efficiency, and high safety.

Description

Technical Field

[0001] This invention relates to the field of maglev vehicle manufacturing technology, and more specifically, to a high-speed maglev vehicle body manufacturing apparatus and method. Background Technology

[0002] As the main load-bearing structure of a high-speed maglev vehicle, the car body must not only support the weight of equipment and passengers but also withstand the high aerodynamic loads generated when the train travels at high speeds, intersects, and enters and exits tunnels. Simultaneously, the car body must meet functional requirements such as safety, comfort, and high dimensional accuracy. The car body consists of a chassis, roof, side walls, end walls, door pillars, and front end. The final assembly of the car body involves assembling these components into a unified whole, and the accuracy of the clamping and positioning of each component directly affects the manufacturing precision of the car body. Furthermore, due to the significant weight of the car body components, inadequate support and fixation during the final assembly process could lead to collapse and potential injury to operators.

[0003] The high-speed maglev car body differs from that of traditional rail transit vehicles. It employs a lightweight, high-strength hybrid drum-shaped cross-section body composed of aluminum profiles and composite materials. Specifically, the aluminum profiles are welded together to form a single unit, and then composite plates are riveted and quickly locked to their corresponding positions on the frame. The front end is connected to the rest of the car body via adhesive bonding and bolted clamps. During assembly, the overall composition of the hybrid drum-shaped cross-section car body must be achieved while maintaining dimensional accuracy. Furthermore, research is needed to improve operational efficiency and safety. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a high-speed maglev car body production device to achieve high-efficiency production of car bodies.

[0005] Another object of the present invention is to provide a method for producing high-speed maglev car bodies, so as to achieve high-efficiency production of car bodies using the above-mentioned high-speed maglev car body production device.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A high-speed maglev car body production device includes at least one of the following: a chassis fixing fixture, a roof support fixing fixture, a side wall support fixing fixture, an end wall support fixing fixture, and a door column installation fixture.

[0008] The chassis fixing fixture is used to position and fix the chassis components. The roof support fixing fixture is used to position and fix the roof components above the chassis fixing fixture. The side wall support fixing fixture is used to position and fix the side wall components on the chassis components and the roof components. The end wall support fixing fixture is used to position and fix the end wall components on the side wall components. The door pillar installation fixture is used to position and fix the door pillar components on the chassis components and the roof components.

[0009] Optionally, in the above-mentioned high-speed maglev car body production device, the underframe fixing fixture includes:

[0010] The base longitudinal beams consist of multiple parallel and spaced-apart beams.

[0011] The base crossbeam consists of multiple beams spaced apart along the extension direction of the base longitudinal beam. Along the extension direction of the base crossbeam, multiple support seats are spaced apart on the base crossbeam, and the support seats are provided with pads for supporting the base frame components.

[0012] Optionally, in the above-described high-speed maglev car body production apparatus, a side limiting part for limiting the two sides of the base frame component is provided on the support seat located at the end of the base beam; and / or,

[0013] A tail positioning seat is provided on one of the base crossbeams located at the tail end of the base longitudinal beam. The tail positioning seat is provided with a tail positioning surface, which is used to abut and position with the tail end face of the base frame component.

[0014] Optionally, in the above-mentioned high-speed maglev car body production device, the tail positioning seat is provided with a threaded telescopic screw, the telescopic screw being arranged along the extension direction of the base longitudinal beam, and the end face facing the front end serving as the tail positioning surface; and / or,

[0015] The tail positioning seat is used to press the end wall component onto the side wall component.

[0016] Optionally, in the above-described high-speed maglev car body production apparatus, the end of the base beam is provided with a clamping device for clamping the base frame component towards the middle position of the base beam; and / or,

[0017] Centerline seats are provided at both ends of one of the base longitudinal beams, which is located in the middle of each of the base longitudinal beams. The two centerline seats are used to tighten the centerline.

[0018] Optionally, in the above-mentioned high-speed maglev car body production device, the roof support fixing fixture includes a shaping support fixture and a support positioning fixture. The shaping support fixture is used to fit against the bottom of the roof component, and the support positioning fixture is used to position and fix the roof component above the base frame fixing fixture.

[0019] Optionally, in the above-described high-speed maglev car body production apparatus, the shaping support fixture is slidably mounted on the roof component via a slider; and / or,

[0020] The bottom of the shaping support fixture is provided with a mounting base, which is used to support the base frame component by a support rod.

[0021] Optionally, in the above-mentioned high-speed maglev car body production device, the support and positioning fixture includes:

[0022] The central column is composed of multiple sets and is located at both ends of the base crossbeam, which is situated in the middle of the base longitudinal beam.

[0023] The end columns consist of two sets, which are located at both ends of the base crossbeam at the tail end of the base longitudinal beam.

[0024] The roof assembly bracket is detachably and positionably mounted on the central column assembly, and is provided with a positioning mounting groove for positioning and supporting the roof components.

[0025] The roof two-position positioning seat is connected between the two sets of end columns and is used to fit and position the end of the roof component.

[0026] Optionally, in the above-mentioned high-speed maglev car body production device, the side wall support fixing fixture includes:

[0027] A top clamping seat is provided on the middle column assembly and is equipped with a telescopic top rod for clamping the outer wall of the side wall component;

[0028] The lower clamping seat is set on the middle column assembly and is provided with a telescopic top rod for clamping the outer wall of the side wall component, and is located below the top clamping seat;

[0029] A side wall support positioning seat is provided on the central column assembly, and a movable block is detachably provided at one end facing the side wall component. The movable block and the side wall support positioning seat together form a positioning notch for positioning the window side wall of the side wall component. The side wall support positioning seat is located between the top pressing seat and the lower pressing seat.

[0030] Optionally, in the above-mentioned high-speed maglev vehicle body production device, a vehicle body shape detection plate is detachably provided on the central column assembly. The vehicle body shape detection plate is used to detect the relative position of at least two of the roof component, the underframe component, and the side wall component.

[0031] Optionally, in the above-mentioned high-speed maglev car body production device, the end wall support fixing fixture includes:

[0032] The upper crossbeam is detachably connected between the two sets of end columns;

[0033] The lower crossbeam is detachably connected between the two sets of end columns and is located below the upper crossbeam.

[0034] An end wall clamp is provided on the upper crossbeam and the lower crossbeam, and is used to clamp the end wall component in the direction of the side wall component;

[0035] An upper centerline seat is provided on the upper crossbeam or the lower crossbeam and is used to tighten the centerline with the upper centerline seat provided at one end of the base frame fixing fixture.

[0036] Optionally, in the aforementioned high-speed maglev car body production apparatus, two portal column components are respectively disposed on both sides of the portal column mounting fixture; and / or,

[0037] The base frame component has an installation notch, and the bottom of the door post mounting fixture is used to embed into the installation notch; and / or,

[0038] The top and bottom of the door pillar mounting fixture are used to clamp the roof component and the underframe component respectively using F-clamps.

[0039] A method for producing a high-speed maglev car body, used to assemble a high-speed maglev car body using the aforementioned high-speed maglev car body production device, includes the following steps:

[0040] The base frame is fixed, positioned on the base frame fixing fixture, and secured.

[0041] Roof fixing: Fix the roof components to the roof support fixing fixture and position them above the base frame fixing fixture;

[0042] Side wall fixing: The side wall component is positioned and fixed by the side wall support and fixing fixture, and the side wall component is connected to the chassis component and the roof component;

[0043] End wall fixing: The end wall component is positioned and fixed by the end wall support and fixing fixture, and the end wall component is connected to the base frame component, the roof component and the side wall component;

[0044] The door pillar is fixed by positioning and fixing the door pillar component on the roof component and the chassis component using the door pillar installation fixture, and connecting the door pillar component with the side wall component, chassis component and roof component.

[0045] Optionally, in the above-described high-speed maglev vehicle body production method, the roof fixing step further includes supporting the roof component on the underframe component using support rods.

[0046] The high-speed maglev car body production apparatus provided by the present invention includes at least one of the following: a chassis fixing fixture, a roof support fixing fixture, a side wall support fixing fixture, an end wall support fixing fixture, and a door pillar installation fixture. The chassis fixing fixture is used to position and fix the chassis components. The roof support fixing fixture is used to support and fix the roof components above the chassis fixing fixture, that is, above the corresponding positions of the chassis components. The side wall support fixing fixture is used to position and fix the side wall components at the corresponding positions of the chassis components and the roof components. The end wall support fixing fixture is used to position and fix the end wall components at the corresponding positions of the chassis components and the roof components. The door pillar installation fixture is used to position and fix the door pillar components at the corresponding positions on the chassis components and the roof components.

[0047] Compared with existing technologies, the high-speed maglev car body production device provided by the present invention can fix at least one of the underframe components, roof components, side wall components, end wall components and door pillar components during production by setting corresponding tooling, which ensures the convenience of operation, production efficiency and assembly accuracy during the assembly process. Moreover, the precise positioning of the car body components avoids the cost increase caused by multiple adjustments to the positioning during the overall assembly of the car body.

[0048] The high-speed maglev car body manufacturing method disclosed in this invention includes a chassis fixing step, a roof fixing step, a side wall fixing step, an end wall fixing step, and a door pillar fixing step. The chassis fixing step specifically involves positioning and fixing the chassis components to a chassis fixing fixture; the roof fixing step specifically involves fixing the roof components to a roof support fixing fixture and positioning them above the chassis fixing fixture. The side wall fixing step specifically involves positioning and fixing the side wall components using a side wall support fixing fixture, and then connecting the side wall components to the roof components and the chassis components; the end wall fixing step specifically involves positioning and fixing the end wall components using an end wall support fixing fixture, and then connecting the end wall components to the side wall components, the roof components, and the chassis components; the door pillar fixing step specifically involves positioning and fixing the door pillar components to the roof components and the chassis components using a door pillar installation fixture, and then connecting the door pillar components to the side wall components, the chassis components, and the roof components.

[0049] The high-speed maglev train body manufacturing method disclosed in this invention determines the overall assembly construction sequence based on the structural characteristics of the car body and the connection relationships between various components, and determines the load-bearing and support relationships of each car body component, ensuring key dimensions of the car body such as external dimensions, end wall verticality, door column verticality, and spacing. By applying this method, the overall assembly of the high-speed maglev train body can be completed with high precision, high efficiency, and high safety. Attached Figure Description

[0050] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0051] Figure 1 This is a schematic diagram illustrating the positioning and clamping of the base frame component disclosed in an embodiment of the present invention;

[0052] Figure 2 This is a schematic diagram of the base frame fixing fixture disclosed in an embodiment of the present invention;

[0053] Figure 3 for Figure 2 A magnified view of a portion of the image;

[0054] Figure 4 This is a schematic diagram of the assembly of the shaping support tooling and the roof component disclosed in an embodiment of the present invention;

[0055] Figure 5 This is a schematic diagram of the support and positioning fixture disclosed in an embodiment of the present invention;

[0056] Figure 6 This is a schematic diagram of the positioning and support fixing of the roof component disclosed in an embodiment of the present invention. Figure 1 ;

[0057] Figure 7 This is a schematic diagram of the positioning and support fixing of the roof component disclosed in an embodiment of the present invention. Figure 2 ;

[0058] Figure 8 This is a schematic diagram of the side wall support fixing fixture disclosed in an embodiment of the present invention;

[0059] Figure 9 This is a schematic diagram illustrating the positioning and support fixing of the side wall component disclosed in an embodiment of the present invention;

[0060] Figure 10 This is a schematic diagram showing the connection between the sidewall support positioning seat and the movable block as disclosed in an embodiment of the present invention;

[0061] Figure 11 This is a schematic diagram illustrating the positioning and clamping of the end wall component disclosed in an embodiment of the present invention;

[0062] Figure 12 This is a schematic diagram illustrating the positioning and clamping of the doorpost component disclosed in an embodiment of the present invention.

[0063] Among them, 1 is the base frame fixing fixture, 2 is the base frame component, 3 is the slider, 4 is the telescopic support rod, 5 is the positioning slider, 6 is the adjusting pad, 7 is the roof component, 8 is the shaping support fixture, 9 is the support positioning fixture, 10 is the vehicle body shape inspection plate, 11 is the support rod, 12 is the side wall component, 13 is the side wall support fixing fixture, 14 is the end wall component, 15 is the end wall support fixing fixture, 16 is the door pillar component, 17 is the door pillar installation fixture, and 18 is the F-type clamp.

[0064] 101 is the base longitudinal beam, 102 is the base transverse beam, 103 is the middle support seat, 104 is the side support seat, 105 is the pad block, 106 is the tail positioning seat, 107 is the clamping device, 108 is the lower center line seat, and 109 is the center line.

[0065] 901 is composed of the central pillars, 902 is composed of the end pillars, 903 is the roof assembly bracket, and 904 is the roof two-position positioning seat.

[0066] 1301 is the top clamping seat, 1302 is the lower clamping seat, 1303 is the side wall support positioning seat, and 1304 is the movable block;

[0067] 1501 is the upper crossbeam, 1502 is the lower crossbeam, 1503 is the end wall clamp, and 1504 is the upper center line seat. Detailed Implementation

[0068] The core of this invention is to disclose a high-speed maglev car body production device to achieve high-efficiency production of the car body.

[0069] Another core aspect of this invention is the disclosure of a high-speed maglev car body production method, which enables high-efficiency production of the car body using the aforementioned high-speed maglev car body production device.

[0070] Hereinafter, embodiments will be described with reference to the accompanying drawings. Furthermore, the embodiments shown below do not limit the scope of the invention as described in the claims. Additionally, the complete contents of the structures represented in the embodiments below are not limited to those necessary for the solution of the invention as described in the claims. It should be noted that, for ease of description, only the parts relevant to the invention are shown in the drawings. Unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0071] Combination Figures 1-12The high-speed maglev car body production device disclosed in this invention includes at least one of the following: a chassis fixing fixture 1, a roof support fixing fixture 13, a side wall support fixing fixture 15, an end wall support fixing fixture 15, and a door pillar installation fixture 17. The chassis fixing fixture 1 is used to position and fix the chassis component 2. The roof support fixing fixture is used to position and fix the roof component 7 above the chassis fixing fixture 1, that is, above the corresponding position of the chassis component 2. The side wall support fixing fixture 13 is used to position and fix the side wall component 12 at the corresponding positions of the chassis component 2 and the roof component 7. The end wall support fixing fixture 15 is used to position and fix the end wall component 14 at the corresponding positions of the chassis component 2 and the roof component 7. The door pillar installation fixture 17 is used to position the door pillar component 16 at the corresponding positions on the chassis component 2 and the roof component 7.

[0072] During production, after the chassis component 2, roof component 7, side wall component 12, end wall component 14, and door pillar component 16 are produced on their respective dedicated workstations, the chassis component 2 is first fixed by the chassis fixing fixture 1. Then, the roof component 7 is positioned above the chassis component 2 by the roof support fixing fixture. Next, the side wall component 12 is positioned by the side wall support fixing fixture 13 and connected to the roof component 7 and chassis component 2. The end wall component 14 is positioned by the end wall support fixing fixture 15 and connected to the chassis component 2, roof component 7, and side wall component 12. Finally, the door pillar component 16 is positioned at the side wall component 12 by the door pillar mounting fixture 17 and connected to the chassis component 2, roof component 7, and side wall component 12, thus completing the vehicle body assembly.

[0073] Compared with the prior art, the high-speed maglev car body production device disclosed in this invention can fix at least one of the underframe component 2, roof component 7, side wall component 12, end wall component 14 and door pillar component 16 during production by setting corresponding tooling, which ensures the convenience of operation, production efficiency and assembly accuracy during the assembly process. Moreover, the precise positioning of the car body components avoids the cost increase caused by multiple adjustments to the positioning during the overall assembly of the car body.

[0074] Specifically, the base frame fixing fixture 1 disclosed in this invention includes a base longitudinal beam 101 and a base transverse beam 102. The base longitudinal beam 101 consists of multiple parallel beams spaced apart for support on the ground. The base transverse beam 102 consists of multiple beams spaced apart along the extension direction of the base longitudinal beam 101. Along the extension direction of the base transverse beam 102, multiple support seats are spaced apart on the base transverse beam 102, and pads 105 for supporting the base frame component 2 are provided on the support seats.

[0075] The base longitudinal beam 101 and the base transverse beam 102 are arranged vertically, and the spacing of the base transverse beam 102 on the base longitudinal beam 101 can be adjusted according to the actual support position. Specifically, the number of base transverse beams 102 can be appropriately increased according to the weight of different parts of the vehicle body and the fixing point position of the subsequent side wall components 12.

[0076] The aforementioned base longitudinal beams 101 can be manufactured by welding or machining channel steel or steel plate to provide reliable support and fixation, preventing deformation of the chassis component 2 during the assembly of the vehicle body assembly, which would affect dimensions and accuracy. All base longitudinal beams 101 have the same structure, and the modular structure allows for easy adjustment of their quantity according to actual needs (e.g., Figure 2 (The three rows in the middle), and to ensure the uniformity of structural strength at each position. The base beam 102 can be made by welding or machining square steel pipes or steel plates.

[0077] For ease of description, the following uses the extension direction of the base longitudinal beam 101 as the longitudinal direction, the end of the base longitudinal beam 101 near the front of the vehicle as the first end (first position end), the end away from the front of the vehicle as the second end (second position end), the extension direction of the base transverse beam 102 as the transverse direction, and the direction perpendicular to the base longitudinal beam 101 and the base transverse beam 102 as the vertical direction.

[0078] The support seat located in the middle of the base beam 102 is defined as the middle support seat 103, and the support seats 103 located at both ends are defined as the side support seats 104 (only two side support seats 104 are provided on one base beam 102). The side support seats 104 are provided with side limiting parts for limiting the positions of the two sides of the base frame component 2. The side limiting parts can realize the positioning of the base frame component 2 in the lateral direction.

[0079] Specifically, in combination Figure 3 The aforementioned side wall limiting portion can be an L-shaped baffle (or other structural deformation, such as an L-shaped cross-section structure composed of two blocks of different sizes) arranged in the direction facing the base frame component 2. Furthermore, the end of the side limiting portion away from the base beam 102 is provided with a chamfered structure. This chamfered structure is provided on the side facing the base frame component 2 and serves as a guide structure to facilitate the placement and initial positioning of the base frame component 2 on the base frame fixing fixture 1.

[0080] The aforementioned central support 103 and side support 104 can be manufactured by welding or machining steel plates. The pad 105 can be made of hard nylon and fixed to the central support 103 and side support 104 by screws. While supporting the base frame component 2, the pad 105 can prevent the central support 103 and side support 104 from directly contacting the base frame component 2, thereby reducing the chance of scratches on the surface of the base frame component 2.

[0081] In addition, the bottom of the side beam of the base frame component 2 is provided with a longitudinally extending groove. In order to prevent the base frame component 2 from moving on the base frame fixing fixture 1, a U-shaped elongated hole is provided on the side support seat 104. After the base frame component 2 and the base frame fixing fixture 1 are accurately positioned, the position of the U-shaped elongated hole corresponds to the position of the groove. The corresponding positioning slider 5 can be installed in the groove, and the positioning slider 5 can be tightened in the groove by passing screws (including accessories such as adjusting pads 6) through the U-shaped elongated hole, so as to lock the side support seat 104 and the base frame component 2.

[0082] In order to achieve longitudinal positioning of the base frame component 2, a tail positioning seat 106 is provided on a base crossbeam 102 located at the tail end of the base longitudinal beam 101. The tail positioning seat 106 is provided with a tail positioning surface, which can abut against the two end faces of the base frame component 2 for positioning.

[0083] Specifically, the tail positioning seat 106 can be made by welding or machining round steel or steel plate. The tail positioning seat 106 is provided with a threaded telescopic screw. The telescopic screw extends longitudinally, and its end face facing the head end serves as the tail positioning surface.

[0084] In addition, the retractable structure of the tail positioning seat 106 can also fix the lower part of the end wall component 14 and press the end wall component 14 toward the side wall component 12 in the later stage (see below for details).

[0085] In order to achieve the clamping and positioning of the base frame component 2 on the base frame fixing fixture 1, a clamping device 107 is provided at the end of the base beam 102 for clamping the base frame component 2 to the middle position.

[0086] Specifically, the clamping device 107 can be made of round steel and is a screw structure with telescopic function. In order to avoid scratching the base frame component 2, a flexible pad can be provided at the clamping end of the screw to clamp the base frame component 2 through the pad.

[0087] To ensure the accuracy of the installation position of the base frame component 2 on the base frame fixing fixture 1, lower center line seats 108 are provided at both ends of the base longitudinal beam 101 located at the center of each base longitudinal beam 101. A center line 109 is tensioned between the two lower center line seats 108. The center line 109 can be used to adjust the center of the entire base frame fixing fixture 1, and to realize the positioning and measurement of the base frame component 2 on the base frame fixing fixture 1.

[0088] The lower center line seat 108 can be made by welding or machining steel plates, and the center line 109 can be made of soft nylon thread.

[0089] Furthermore, the extension length of the aforementioned base beam 102 is greater than the lateral dimension of the base frame component 2, that is, both ends of the base beam 102 can extend beyond the base frame component 2. Fixing holes (threaded holes) for subsequent installation of roof support fixing fixtures, side wall support fixing fixtures 13 and end wall support fixing fixtures 15 can also be machined at the ends of the base beam 102 to facilitate the fixing of the positions of each fixture.

[0090] The specific implementation steps of the aforementioned base frame fixing fixture 1 for positioning base frame component 2 are as follows:

[0091] S11: At the vehicle body assembly site, using equipment such as a level and laser line gauge, and with steel shims, the base longitudinal beam 101 is assembled and leveled. The base crossbeam 102, pre-installed with the middle support 103, side support 104, pad 105, rear positioning seat 106, and clamp 107, and the lower centerline seat 108 are bolted onto the base longitudinal beam 101. This process must ensure the flatness and positional tolerance of all base crossbeams 102, ensure the alignment of the lower centerline seat 108 with the base crossbeam 102, and ensure that the extension and retraction positions of the telescopic screws on multiple (e.g., four) rear positioning seats 106 are the same, so that all rear positioning surfaces are on the same plane, ensuring the accuracy of longitudinal positioning.

[0092] S12: To prevent deformation of the base frame component 2 during the hoisting and installation of the final assembly, combined with... Figure 1 An aluminum slider 3 is temporarily welded onto the chassis component 2. A telescopic support rod 4 with adjustable lateral length is connected to the slider 3, transforming the U-shaped open structure of the chassis component 2 into a closed structure. This improves structural stability and prevents deformation of the chassis component 2 from affecting the accuracy of the overall vehicle body assembly. Specifically, the end of the telescopic support rod 4 has a threaded structure, allowing for overall size adjustment through threaded engagement with the slider 3. The telescopic support rod 4 also includes a locking nut, which locks the rod in place after adjustment, preventing dimensional changes.

[0093] S13: The base frame component 2 is hoisted to the base frame fixing fixture 1 by an overhead crane. The side limiting part on the side support seat 104 is used to limit the base frame component 2, so that the base frame component 2 is finally lowered onto the pads 105 on the middle support seat 103 and the side support seat 104 (preferably, the position of each pad 105 corresponds to the intersection position of the longitudinal beam and the cross beam / side beam on the base frame component 2).

[0094] S14: Install the centerline 109 onto the lower centerline seat 108. Use the clamping device 107 to adjust the horizontal position of the base frame component 2. After confirming alignment, tighten the clamping device 107. Ensure that the two end beams of the base frame component 2 are in close contact with the tail positioning surfaces of each tail positioning seat 106. Place the positioning slider 5 into the groove on the side beam of the base frame component 2. Use the adjusting shim 6 to fill the gap between the base frame component 2 and the side support seat 104. Connect the side support seat 104 and the positioning slider 5 with bolts. The positioning and clamping of the base frame component 2 is now complete.

[0095] Since the roof component 7 is a deformable curved structure, the roof support and fixing fixture includes a shaping support fixture 8 and a support positioning fixture 9. The shaping support fixture 8 is used to fit and support the bottom of the roof component 7 to maintain the shape of the roof component 7. The support positioning fixture 9 is used to support and position the roof component 7 and position the roof component 7 above the chassis component 2.

[0096] Specifically, in combination Figure 4 The shaping support fixture 8 has a semi-circular structure. Its curved side fits against the roof component 7, and a mounting seat can be set on the straight side. The mounting seat can be connected to the base frame fixing fixture 1 through the support rod 11 to support the roof component 7.

[0097] The aforementioned shaping support fixture 8 can be made of aluminum profiles or aluminum plates and prepared by welding or machining. Specifically, the shaping support fixture 8 can be set at the bottom of the roof component 7 by positioning slider 5 and screws to transform the inverted U-shaped opening structure of the roof component 7 into a box-shaped structure, thereby improving the stability of the structure and preventing the roof component 7 from deforming during hoisting and assembly, which would affect the accuracy of the overall vehicle assembly. At the same time, it can support the roof component 7 during assembly.

[0098] In one embodiment, the support and positioning fixture 9 disclosed in this invention includes a central column assembly 901, end column assemblies 902, a roof assembly bracket 903, and a roof two-position positioning seat 904. The central column assemblies 901 are multiple sets, symmetrically arranged on both sides of the base frame fixing fixture 1, and located at the middle position in the longitudinal direction of the base frame fixing fixture 1 (at both ends of the base crossbeam 102 located at the middle position of the base longitudinal beam 101). The end column assemblies 902 are two sets, respectively arranged on the base frame fixing fixture 1. On both sides, and at the tail end of the base frame fixing fixture 1 (at both ends of the base crossbeam 102 at the tail end of the base longitudinal beam 101); the roof assembly bracket 903 is detachably mounted on the central column assembly 901 to support the roof component 7, and is provided with a positioning mounting groove for the side beam of the roof component 7 to be embedded in for positioning the roof component 7; the roof two-position positioning seat 904 is connected between the two sets of end column assemblies 902 for fitting and positioning the two ends of the roof component 7.

[0099] The position of the roof assembly bracket 903 on the central pillar assembly 901 is adjustable to facilitate the adjustment of the position of the roof component 7. Specifically, the roof assembly bracket 903 is provided with a waist-shaped hole, through which the central pillar assembly 901 is adjusted to its mounting position on the roof assembly bracket 903.

[0100] Specifically, the aforementioned central pillar assembly 901 and end pillar assembly 902 can be installed into the pre-drilled threaded holes of the base beam 102 on the base frame fixing fixture 1. The roof assembly bracket 903 can be threaded onto the central pillar assembly 901 and end pillar assembly 902, and its installation position can be adjusted according to the cross-sectional dimensions of the vehicle body. The roof two-position end positioning seat 904 can be detachably installed onto the end pillar assembly 902.

[0101] The vehicle body shape inspection plate 10 is detachably mounted on the central pillar assembly 901 and is used to inspect the shape of the roof component 7 and the side wall component 12, that is, the accuracy of their installation positions.

[0102] The specific implementation steps of the above-mentioned roof support and fixing fixture for supporting and fixing roof component 7 are as follows:

[0103] S21: Install the shaping support fixture 8 on the roof component 7, and use an overhead crane to lift the roof component 7 with the shaping support fixture 8 installed onto the roof assembly bracket 903, and ensure that the side beams on both sides of the roof component 7 are completely placed into the positioning mounting slots on each roof assembly bracket 903, and that the two ends of the roof component 7 are completely fitted with the roof two end positioning seats 904.

[0104] S22: The vehicle body shape inspection plate 10 is bolted one-to-one to multiple (usually four diagonally positioned) central pillars 901 to ensure that the vehicle body shape inspection plate 10 is completely fitted with the underframe component 2 and the roof component 7. If there is any deviation, the position of the roof component 7 is adjusted by adjusting the position of the roof assembly bracket 903.

[0105] S23: Using the mounting base welded to the lower end of the shaping support fixture 8, a support rod 11 with adjustable height via threads is installed vertically inside the vehicle. Multiple support rods 11 are typically used to ensure the stability of the roof component 7. The lower end of the support rod 11 mates with the underframe component 2 to transfer the weight of the roof component 7 to the ground via the base longitudinal beam 101. This completes the positioning and fixing of the roof component 7.

[0106] S24: Since the roof assembly bracket 903 and the vehicle body shape detection plate 10 will interfere with the installation of the side wall component 12, after the positioning support of the roof component 7 is completed, it needs to be removed from the middle column assembly 901 and the end column assembly 902. At this time, the roof component 7 is completely supported by the support rod 11.

[0107] In one embodiment, the side wall support fixing fixture 13 includes a top clamping seat 1301, a lower clamping seat 1302, and a side wall support positioning seat 1303. Both the top clamping seat 1301 and the lower clamping seat 1302 are mounted on the central column assembly 901 and are each equipped with a telescopic top rod for clamping the outer wall of the side wall. The top clamping seat 1301 is positioned above the lower clamping seat 1302. Figure 9 The top clamping seat 1301 and the lower clamping seat 1302 are used to clamp and position the side walls above and below the window on the side wall component 12, respectively. The side wall support positioning seat 1303 is set on the middle column assembly 901 and is located between the top clamping seat 1301 and the lower clamping seat 1302. A movable block 1304 is detachably provided at one end facing the side wall component 12. The movable block 1304 and the side wall support positioning seat 1303 form a positioning notch for the side wall at the window of the side wall component 12 to be inserted.

[0108] The telescopic jack typically uses a threaded mechanism for expansion and contraction. (Combined with...) Figure 10 The side wall support positioning seat 1303 and the movable block 1304 together form a positioning notch that matches the profile of the window area of ​​the side wall component 12. When the movable block 1304 is removed from the side wall support positioning seat 1303, the positioning notch is destroyed, and the side wall support positioning seat 1303 can be moved to both sides and removed.

[0109] Understandably, the number of central pillars forming 901 can be increased or decreased depending on the actual location and number of windows.

[0110] The specific implementation steps for positioning the side wall component 12 using the aforementioned side wall support fixing fixture 13 are as follows:

[0111] S31: Adjust the side wall support positioning seat 1303 to the preset position, and adjust all the top clamping seats 1301 and lower clamping seats 1302 to the initial position that does not affect the installation of the side wall component 12. Use an overhead crane to hoist the side wall component 12 onto the roof assembly bracket 903, and ensure that the profile at the window of the side wall component 12 is completely placed into the positioning notch formed by the side wall support positioning seat 1303 and the movable block 1304, and that the two ends of the side wall component 12 are aligned with the side beam profile of the roof component 7.

[0112] S32: The vehicle body shape inspection plate 10 is bolted one-to-one to multiple (usually four diagonally positioned) central columns 901. By adjusting the position of the side wall support positioning seat 1303, the side wall component 12 is made to fit with the vehicle body shape inspection plate 10, and the top pressing seat 1301 and the lower pressing seat 1302 completely press and fit the side wall component 12 with the chassis component 2 and the roof component 7.

[0113] S33: Rivet the side wall component 12 together with the underframe component 2 and the roof component 7 to complete the installation of the side wall component 12.

[0114] In one embodiment, the end wall support fixing fixture 15 disclosed in this invention includes an upper crossbeam 1501, a lower crossbeam 1502, an end wall clamping device 1503, and an upper center line seat 1504. The upper crossbeam 1501 and the lower crossbeam 1502 are detachably disposed between two sets of end columns 902, and the lower crossbeam 1502 is located below the upper crossbeam 1501. The end wall clamping device 1503 is disposed on the upper crossbeam 1501 and the lower crossbeam 1502 and is used to clamp the end wall component 14 toward the side wall component 12. The upper center line seat 1504 is disposed on the upper crossbeam 1501 or the lower crossbeam 1502 and is used to tighten the center line 109 with another upper center line seat 1504 disposed at one end of the base frame fixing fixture 1 to ensure the accuracy of the installation position of the end wall component 14.

[0115] Preferably, combined with Figure 11 An installation groove can be provided on the side of the end column assembly 902 facing the end wall component 14. The installation groove allows the upper crossbeam 1501 and the lower crossbeam 1502 to be quickly embedded and positioned on the end column assembly 902 for installation. It can also be quickly disassembled after the completion of the vehicle body assembly construction, saving time.

[0116] The end wall clamp 1503 and the upper center line seat 1504 can be bolted to the upper crossbeam 1501 and the lower crossbeam 1502. The end wall clamp 1503 plays the role of longitudinally clamping the end wall component 14, which can ensure the tight contact between the end wall component 14 and the two end columns of the side wall component 12 and the roof component 7, facilitating subsequent riveting construction.

[0117] The specific implementation steps for positioning the end wall component 14 using the aforementioned end wall support and fixing fixture 15 are as follows:

[0118] S41: Loosen the clamping and positioning of the tail positioning seat 106 on the underframe component 2, hoist the end wall component 14 to the second position of the vehicle body, and re-tighten the tail positioning seat 106 to pre-fix the end wall component 14.

[0119] S42: The center line 109 is tightened using two upper center line seats 1504. The two center lines 109 of the base frame fixing fixture 1 and the end wall support fixing fixture 15 are used to accurately position the end wall component 14. The end wall component 14 is then pressed by the end wall clamps 1503 on the upper crossbeam 1501 and the lower crossbeam 1502.

[0120] S43: Install rivets to secure the end wall component 14 to the roof component 7, side wall component 12, and chassis component 2.

[0121] Understandably, in combination Figure 1 Due to one end of the vehicle body ( Figure 1 The front of the car is installed at the left end of the underframe component 2, so there is no need to install the end wall component 14.

[0122] In one embodiment, the doorpost mounting fixture 17 is a rectangular frame structure (with the same bending shape as the doorpost component 16). Two doorpost components 16 are respectively set on both sides of the doorpost mounting fixture 17. The base frame component 2 has a pre-reserved installation notch. The bottom of the doorpost mounting fixture 17 can be inserted into the installation notch and fit against it to ensure the perpendicularity of the doorpost component 16 and the base frame component 2. When the doorpost mounting fixture 17 is inserted into the installation notch, the two doorpost components 16 are in the correct installation position.

[0123] The top and bottom of the aforementioned door pillar mounting fixture 17 can be clamped and fixed to the roof component 7 and the base frame component 2 respectively using F-clamps 18. The door pillar mounting fixture 17 can be made by welding or machining aluminum profiles or aluminum plates.

[0124] The specific implementation steps for positioning the doorpost component 16 using the aforementioned doorpost installation fixture 17 are as follows:

[0125] S51: The two door pillar components 16 are respectively installed on both sides of the door pillar mounting fixture 17 using bolts, ensuring the distance and parallelism of the two door pillar components 16. The entire assembly consisting of the door pillar components 16 and the door pillar mounting fixture 17 is hoisted onto the vehicle body. The door pillar mounting fixture 17 is embedded into the mounting notch of the base frame component 2, and the door pillar components 16, which are further away from the side wall component 12 in the longitudinal direction, are positioned accordingly. Figure 12 The left door pillar (in the middle) is flush with the end of the roof component 7, thus completing the positioning of the door pillar component 16.

[0126] S52: The bottom end of the door pillar mounting fixture 17 is horizontally fastened using a clamp 107, and vertically fastened using an F-clamp 18. The top end of the door pillar mounting fixture 17 is clamped and fixed to the side beam of the roof component 7 using an F-clamp 18.

[0127] S53: Complete a doorpost component 16 ( Figure 12 The connection between the left door pillar (in the middle) and the side beam of the roof component 7 and the side beam of the underframe component 2, and another door pillar component 16 ( Figure 12 The right door pillar (in the middle) is riveted to the side beam of the roof component 7, the side wall component 12 and the base frame component 2 to complete the overall assembly construction of the door pillar component 16.

[0128] The high-speed maglev car body production method disclosed in this invention is used to assemble a high-speed maglev car body using the aforementioned high-speed maglev car body production device. The specific construction steps include:

[0129] S10, Base frame fixing;

[0130] Position and fix the base frame component 2 on the base frame fixing fixture 1;

[0131] S20, Roof fixing;

[0132] The roof component 7 is fixed to the roof support fixture and positioned above the chassis fixture 1. Furthermore, S20 includes supporting the roof component 7 on the chassis component 2 via a support strut 11.

[0133] S30, Side wall fixing;

[0134] The side wall component 12 is positioned and fixed by the side wall support and fixing fixture 13, and the side wall component 12 is connected to the roof component 7 and the chassis component 2.

[0135] S40, End wall fixing;

[0136] The end wall component 14 is positioned and fixed by the end wall support and fixing fixture 15, and the end wall component 14 is connected to the side wall component 12, the roof component 7 and the chassis component 2.

[0137] S50, Doorpost Fixing;

[0138] The door pillar component 16 is positioned and fixed on the roof component 7 and the chassis component 2 by the door pillar installation fixture 17, and the door pillar component 16 is connected to the side wall component 12, the chassis component 2 and the roof component 7.

[0139] In a specific assembly process, S10, after the underframe fixing fixture 1 is leveled, the underframe component 2 is hoisted and fixed onto the underframe fixing fixture 1; S20, the roof component 7 is hoisted and fixed onto the roof support fixing fixture, combined with... Figure 7 After positioning, the roof component 7 is supported on the base frame component 2 by a certain number of support rods 11 to ensure the stability of the roof component 7; S30, the window profile of the side wall component 12 is installed to the designated position by the side wall support fixing fixture 13, completing the connection between the side wall component 12 and the base frame component 2 and the roof component 7; S40, after installing the two end side wall pillars, the end wall component 14 is installed, and the verticality of the end wall component 14 is ensured by using the end wall support fixing fixture 15; S50, the two door pillar components 16 are installed by the door pillar installation fixture 17, finally completing the overall vehicle body assembly (excluding the hood installation). During the assembly process, the firm support and clamping of each component of the vehicle body by each fixture can ensure the overall assembly accuracy of the vehicle body and eliminate safety hazards.

[0140] For the specific implementation process of S10, please refer to S11-S14 above; for the specific implementation process of S20, please refer to S21-S24 above; for the specific implementation process of S30, please refer to S31-S33 above; for the specific implementation process of S40, please refer to S41-S43 above; for the specific implementation process of S50, please refer to S51-S53 above.

[0141] Understandably, the order of S40 and S50 can be reversed.

[0142] Compared to existing technologies, the high-speed maglev train body production method disclosed in this invention determines the overall assembly construction sequence based on the structural characteristics of the car body and the connection relationships between various components, and also determines the load-bearing and support relationships of each car body component, ensuring key dimensions of the car body such as external dimensions, end wall verticality, door column verticality, and spacing. By applying this method, the overall assembly of the high-speed maglev train body can be completed with high precision, high efficiency, and high safety.

[0143] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Specific technical means in some embodiments may be incorporated, in whole or in part, into another embodiment without being explicitly excluded by another embodiment. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-speed maglev car body production device, characterized in that, It includes a base frame fixing fixture (1), a roof support fixing fixture, a side wall support fixing fixture (13), an end wall support fixing fixture (15), and a door pillar installation fixture (17). The chassis fixing fixture (1) is used to position and fix the chassis component (2), the roof support fixing fixture is used to position and fix the roof component (7) above the chassis fixing fixture (1), the side wall support fixing fixture (13) is used to position and fix the side wall component (12) on the chassis component (2) and the roof component (7), the end wall support fixing fixture (15) is used to position and fix the end wall component (14) on the side wall component (12), and the door pillar installation fixture (17) is used to position and fix the door pillar component (16) on the chassis component (2) and the roof component (7). The base frame fixing fixture (1) includes: a base longitudinal beam (101), which is a plurality of parallel and spaced-apart beams; a base transverse beam (102), which is a plurality of spaced-apart beams along the extension direction of the base longitudinal beam (101), and a plurality of support seats are spaced-apart on the base transverse beam (102) along the extension direction of the base transverse beam (102), and a pad (105) for supporting the base frame component (2) is provided on the support seat. The roof support fixing fixture includes a shaping support fixture (8) and a support positioning fixture (9). The shaping support fixture (8) is used to fit and be disposed on the bottom of the roof component (7). The support positioning fixture (9) is used to position and fix the roof component (7) above the base frame fixing fixture (1). The supporting positioning fixture (9) includes: a central column assembly (901), which consists of multiple sets and is located at both ends of the base crossbeam (102) located in the middle of the base longitudinal beam (101); two end column assemblies (902), which are located at both ends of the base crossbeam (102) located at the tail end of the base longitudinal beam (101); a roof assembly bracket (903), which is detachably and positionably mounted on the central column assembly (901) and is provided with a positioning mounting groove for positioning and supporting the roof component (7); and a roof two-position positioning seat (904), which is connected between the two sets of end column assemblies (902) and is used to fit and position the roof component (7) at the end. The side wall support fixing fixture (13) includes: a top clamping seat (1301), which is disposed on the middle column assembly (901) and is provided with a telescopic top rod for clamping the outer wall of the side wall component (12); a lower clamping seat (1302), which is disposed on the middle column assembly (901) and is provided with a telescopic top rod for clamping the outer wall of the side wall component (12), and is located below the top clamping seat (1301); and a side wall support positioning seat. (1303) is provided on the central column assembly (901) and a movable block (1304) is detachably provided at one end facing the side wall component (12). The movable block (1304) and the side wall support positioning seat (1303) form a positioning notch for positioning the window side wall of the side wall component (12). The side wall support positioning seat (1303) is located between the top pressing seat (1301) and the lower pressing seat (1302).

2. The high-speed maglev car body production device as described in claim 1, characterized in that, A side limiting part is provided on the support seat (103) located at the end of the base beam (102) for limiting the two sides of the base frame component (2); a tail positioning seat (106) is provided on one of the base beams (102) located at the tail end of the base longitudinal beam (101), and a tail positioning surface is provided on the tail positioning seat (106), which is used to abut and position with the tail end face of the base frame component (2).

3. The high-speed maglev car body production device as described in claim 2, characterized in that, The tail positioning seat (106) is provided with a threaded telescopic screw, which is arranged along the extension direction of the base longitudinal beam (101), and the end face facing the head end serves as the tail positioning surface. The tail positioning seat (106) is used to press the end wall component (14) onto the side wall component (12).

4. The high-speed maglev car body production device as described in claim 1, characterized in that, The end of the base beam (102) is provided with a clamp (107) for clamping the base frame component (2). A lower centerline seat (108) is provided at both ends of one of the base longitudinal beams (101) located in the middle of each of the base longitudinal beams (101), and the two lower centerline seats (108) are used to tighten the centerline (109).

5. The high-speed maglev car body production device as described in claim 1, characterized in that, The shaping support fixture (8) is used to be mounted on the roof component (7) via a slider (5); The bottom of the shaping support fixture (8) is provided with a mounting seat, which is used to support the base frame component (2) by a support rod (11).

6. The high-speed maglev car body production device as described in claim 1, characterized in that, The central column assembly (901) is detachably provided with a vehicle body shape detection plate (10), which is used to detect the relative position of at least two of the roof component (7), the chassis component (2) and the side wall component (12).

7. The high-speed maglev car body production device as described in claim 1, characterized in that, The end wall support fixing fixture (15) includes: The upper crossbeam (1501) is detachably connected between the two sets of end columns (902); The lower crossbeam (1502) is detachably connected between the two sets of end column components (902) and is located below the upper crossbeam (1501); The end wall clamp (1503) is disposed on the upper crossbeam (1501) and the lower crossbeam (1502) and is used to clamp the end wall component (14) in the direction of the side wall component (12). The upper centerline seat (1504) is set on the upper crossbeam (1501) or the lower crossbeam (1502) and is used to cooperate with another upper centerline seat (1504) set on one end of the base frame fixing fixture (1) to tighten the centerline (109).

8. The high-speed maglev car body production device as described in claim 1, characterized in that, Two door post components (16) are respectively installed on both sides of the door post mounting fixture (17); The base frame component (2) is provided with an installation notch, and the bottom of the door pillar mounting fixture (17) is used to be embedded in the installation notch; the top and bottom of the door pillar mounting fixture (17) are used to clamp the roof component (7) and the base frame component (2) respectively by means of F-type clamps (18).

9. A method for producing a high-speed maglev car body, used for assembling a high-speed maglev car body using the high-speed maglev car body production apparatus as described in any one of claims 1-8, characterized in that, Including the following steps: The base frame is fixed by positioning the base frame component (2) on the base frame fixing fixture (1) and fixing it. Roof fixing: Fix the roof component (7) on the roof support fixing fixture and position it above the base frame fixing fixture (1); Side wall fixing: The side wall component (12) is positioned and fixed by the side wall support fixing fixture (13), and the side wall component (12) is connected to the chassis component (2) and the roof component (7). The end wall is fixed by positioning and fixing the end wall component (14) through the end wall support and fixing fixture (15), and connecting the end wall component (14) with the base frame component (2), the roof component (7) and the side wall component (12). The door pillar is fixed by positioning and fixing the door pillar component (16) on the roof component (7) and the underframe component (2) using the door pillar installation fixture (17), and connecting the door pillar component (16) with the side wall component (12), the underframe component (2) and the roof component (7).

10. The method for producing a high-speed maglev car body as described in claim 9, characterized in that, The roof fixing step also includes supporting the roof component (7) on the underframe component (2) by means of a support rod (11).

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