A flexible turnover pre-assembly tool

Abstract

The utility model discloses a kind of flexible overturning pre-grouping tool, including bottom frame, stand, second crossbeam, second longitudinal beam, overturning device, bottom frame is quadrilateral, including two parallel first crossbeam and two parallel first longitudinal beam, bottom frame is provided with supporting device;Two first longitudinal beam of bottom frame are respectively connected with stand, two second longitudinal beams are respectively arranged at the top of two side stands, second longitudinal beam is parallel with the first longitudinal beam of bottom frame;Two second crossbeams are parallel with first crossbeam and are arranged, two second crossbeams are detachably connected on two second longitudinal beams;Overturning device is respectively connected outside two side stands, and can rotate the above-mentioned structure as a whole.And the first crossbeam of bottom frame can be axially moved relative to first longitudinal beam and is fixed after moving in place by limiting device, so as to adjust the size of bottom frame, adapt to high-voltage equipment box of different size, its structure is simple, convenient to operate, and strong adaptability.

Description

Technical Field

[0001] This utility model belongs to the field of rail vehicle production equipment, specifically, it relates to a flexible tilting pre-assembly tooling. Background Technology

[0002] The pre-assembly of high-voltage equipment boxes for rail vehicles is a crucial step in the standard rail vehicle manufacturing process. The accuracy of this pre-assembly directly impacts the vehicle's functionality and overall quality. Without pre-assembly tooling, this process must be carried out in the confined space beneath the rail vehicle, posing safety and quality risks and resulting in low efficiency. Furthermore, high-voltage equipment boxes for rail vehicles come in various sizes; therefore, designing a tooling system capable of pre-assembling high-voltage equipment boxes of different dimensions is of paramount importance.

[0003] In view of this, this utility model is hereby proposed. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a flexible flipping pre-assembly tooling that can realize the pre-assembly of high-voltage equipment boxes for rail vehicles and can adapt to high-voltage equipment boxes of various sizes.

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] A flexible tilting pre-assembly fixture includes a base frame, columns, second crossbeams, second longitudinal beams, and a tilting device. The base frame is quadrilateral and includes two parallel first crossbeams and two parallel first longitudinal beams. The base frame is equipped with a support device. Columns are connected to the two first longitudinal beams of the base frame, and two second longitudinal beams are respectively located on the tops of the columns on both sides, parallel to the first longitudinal beams of the base frame. The two second crossbeams are parallel to the first crossbeams. One second crossbeam is detachably connected to one end of the two second longitudinal beams in the same direction, and the other second crossbeam is detachably connected to the other end of the two second longitudinal beams in the same direction. The tilting device is connected to the outside of the two columns on both sides and can rotate the entire structure.

[0007] Furthermore, the flexible flipping pre-assembly tooling also includes a first clamp set on the first crossbeam of the bottom frame.

[0008] Furthermore, the first clamp is symmetrically arranged on the two first crossbeams.

[0009] Furthermore, the tooling for flexible flipping pre-assembly also includes a second clamp, which is mounted on the column and faces inward, or the second clamp is mounted on the first longitudinal beam.

[0010] Furthermore, a through hole is provided on the second longitudinal beam, and a bolt is provided below the second crossbeam to be inserted into the through hole to connect the second crossbeam and the second longitudinal beam.

[0011] Furthermore, the supporting device is a baffle set at the bottom of the bottom frame. Multiple baffles are set at intervals and extend a certain distance from the frame of the bottom frame to the inside of the bottom frame, but do not cover the entire bottom frame.

[0012] Furthermore, the first crossbeam of the bottom frame can move axially relative to the first longitudinal beam and is fixed by a limiting device after it has moved into place.

[0013] Furthermore, extension rods are provided at both ends of the first crossbeam of the bottom frame, and the two extension rods are respectively inserted into the axial holes of the two first longitudinal beams.

[0014] Furthermore, positioning screw holes are provided on the two first longitudinal beams, and positioning bolts are inserted into the positioning screw holes to abut against the extension rod and limit the position of the first crossbeam.

[0015] Furthermore, multiple through holes are provided on the two second longitudinal beams along their axial direction.

[0016] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art.

[0017] This utility model discloses a flexible tilting pre-assembly fixture, comprising a base frame, columns, second crossbeams, second longitudinal beams, and a tilting device. The base frame is quadrilateral and includes two parallel first crossbeams and two parallel first longitudinal beams. The base frame is provided with a support device. Columns are connected to the two first longitudinal beams of the base frame, and two second longitudinal beams are respectively located on the top of the columns on both sides, parallel to the first longitudinal beams of the base frame. The two second crossbeams are arranged parallel to the first crossbeams. One second crossbeam is detachably connected to one end of the two second longitudinal beams in the same direction, and the other second crossbeam is detachably connected to the other end of the two second longitudinal beams in the same direction. The tilting device is connected to the outside of the two columns on both sides and can rotate the entire structure. The high-voltage equipment box is supported by a base frame support device. When the high-voltage equipment box is tilted, the base frame restricts its movement on the base frame plane, the columns restrict the movement of the middle part of the high-voltage equipment box, and the second crossbeam and second longitudinal beam restrict the movement of the upper part of the high-voltage equipment box. A frame-type tooling supports the high-voltage equipment box and can drive it to rotate 90°, facilitating the installation of internal components. Furthermore, the first crossbeam of the base frame can move axially relative to the first longitudinal beam and is fixed in place by a limiting device, thus allowing adjustment of the base frame size to accommodate high-voltage equipment boxes of different sizes. Its structure is simple, easy to operate, and highly adaptable.

[0018] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0019] The accompanying drawings, as part of this utility model, are used to provide a further understanding of the present utility model. The illustrative embodiments and descriptions of the present utility model are used to explain the present utility model, but do not constitute an undue limitation of the present utility model. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0020] Figure 1 This is a schematic diagram of the structure of a flexible flipping pre-assembly tooling according to Embodiment 1 of this utility model;

[0021] Figure 2 This is a front view schematic diagram of a flexible flipping pre-assembly tooling according to Embodiment 1 of this utility model;

[0022] Figure 3 This is a top view schematic diagram of a flexible flipping pre-assembly tooling according to Embodiment 1 of this utility model;

[0023] Figure 4 This is a left-side view of a flexible flipping pre-assembly tooling according to Embodiment 1 of this utility model;

[0024] Figure 5 yes Figure 1 A magnified view of a portion of the image;

[0025] Figure 6 yes Figure 1 A magnified view of a portion of the image;

[0026] Figure 7 This is a top view schematic diagram of a flexible flipping pre-assembly tooling according to Embodiment 1 of this utility model;

[0027] Figure 8 This is a schematic diagram of the structure of a flexible flipping pre-assembly tooling in Embodiment 2.

[0028] In the diagram: 1. First crossbeam; 2. First longitudinal beam; 3. Second crossbeam; 4. Second longitudinal beam; 5. Column; 6. Support frame; 7. Motor; 8. First clamp; 9. Second clamp; 10. Support device; 11. Bolt; 12. Positioning screw hole.

[0029] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0031] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only to facilitate the description of this utility model and simplify 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 this utility model.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] Example 1

[0034] Combination Figures 1 to 4 As shown, this utility model provides a flexible flipping pre-assembly tooling, which includes a base frame, a column, a second crossbeam, a second longitudinal beam, and a flipping device.

[0035] The base frame is quadrilateral and includes two parallel first horizontal beams and two parallel first vertical beams. The base frame is equipped with a support device.

[0036] Columns are connected to the two first longitudinal beams of the base frame. To enhance the overall structural strength, multiple columns are installed on each of the first longitudinal beams. For example... Figure 1 As shown, there are four spaced columns on each of the first longitudinal beams.

[0037] Two second longitudinal beams are respectively installed on top of the columns on both sides, and the second longitudinal beams are parallel to the first longitudinal beam of the bottom frame. That is, one second longitudinal beam is located on top of multiple columns on one first longitudinal beam and is connected to it, and the other second longitudinal beam is located on top of multiple columns on another first longitudinal beam and is connected to it.

[0038] Two second crossbeams are arranged parallel to the first crossbeam. One second crossbeam is detachably connected to one end of the two second longitudinal beams in the same direction, and the other second crossbeam is detachably connected to the other end of the two second longitudinal beams in the same direction; that is, the two second crossbeams are detachably connected to the two second longitudinal beams respectively, forming a quadrilateral. In this way, the flexible flipping pre-assembly tooling has a quadrilateral at the bottom and a quadrilateral at the top, and the two quadrilaterals are connected by columns, thus forming an overall frame structure.

[0039] A tilting device, connected to the outer sides of the two side columns, allows the entire structure to rotate. The tilting device includes a support frame and a motor mounted on the support frame. The two support frames are located on the outer sides of the two side columns and are connected to the columns via a shaft and flange. The motor is mounted on the support frame and connected to the shaft. Therefore, driven by the motor, power is transmitted to the columns through the shaft and flange, thereby driving the overall frame structure to rotate. Since the rotation is for facilitating the installation of internal components of the high-voltage equipment box, a 90° rotation to make its bottom upright is sufficient.

[0040] The tooling for flexible flipping pre-assembly also includes a first clamp set on the first crossbeam of the bottom frame.

[0041] Combination Figure 1-5 As shown, the first clamps are symmetrically arranged on the two first crossbeams. The first clamps tighten and loosen the high-voltage equipment box by adjusting the screw along its axial direction using a handle, thus making the clamping of the high-voltage equipment box by the flexible flip-over pre-assembly tooling more stable. Each of the four corners of the tooling bottom has a first clamp that can be tightened, loosened, and disassembled for clamping the high-voltage equipment box, such as... Figure 7 As shown.

[0042] Combination Figure 1-4 As shown in Figure 6, the flexible tilting pre-assembly fixture also includes a second clamp, which is mounted on the column and faces inward. Alternatively, the second clamp is mounted on the first longitudinal beam. Second clamps are provided at all four corners of the fixture for clamping the high-voltage equipment box, such as... Figure 7 As shown. Figure 1-4 To simplify the drawing, only parts of the first and second clamps are shown.

[0043] In other embodiments, first clamps are provided on the first crossbeam and the first longitudinal beam at the four corners of the bottom frame.

[0044] To facilitate the placement of the high-voltage equipment box into the flexible tilting pre-assembly fixture, the second crossbeam is detachable. Through holes are provided on the second longitudinal beam, and bolts are inserted into these through holes below the second crossbeam to connect the second crossbeam and the second longitudinal beam. Before placing the high-voltage equipment box, the second crossbeam is removed. After placing the high-voltage equipment box, the second crossbeam is installed on the second longitudinal beam by inserting bolts into the through holes and tightening with nuts. The high-voltage equipment box has outward-extending sections on both sides, lower than its top. After installation, the second crossbeam effectively presses down on these outward-extending sections and clamps the high-voltage equipment box from the side. Therefore, when the flexible tilting pre-assembly fixture rotates the high-voltage equipment box 90°, the second crossbeam supports the high-voltage equipment box, preventing it from falling off.

[0045] The supporting device is a baffle set at the bottom of the bottom frame. Multiple baffles are set at intervals and extend a certain distance from the frame of the bottom frame to the inside of the bottom frame, but do not cover the entire bottom frame.

[0046] In this embodiment, the baffle is located at the bottom of the base frame. When the high-voltage equipment box is placed inside the flexible tilting pre-assembly fixture, the high-voltage equipment box is located inside the first horizontal beam and the first vertical beam of the base frame and is supported by the baffle. When the flexible tilting pre-assembly fixture rotates the high-voltage equipment box 90°, the first horizontal beam can support the high-voltage equipment box and prevent it from falling off. Baffles are provided at all four corners of the base frame. At the intersection of the first horizontal beam and the first vertical beam, the baffles are connected to both the first horizontal beam and the first vertical beam to increase their strength. Alternatively, instead of being limited to the four corners, multiple baffles can be provided around the perimeter of the base frame.

[0047] Example 2

[0048] This utility model also provides another flexible flipping pre-assembly tooling, which differs from Embodiment 1 in that the dimensions of the flexible flipping pre-assembly tooling can be adjusted along the axial direction of the first longitudinal beam.

[0049] The adjustable-size structural design is intended to accommodate high-voltage equipment boxes of different sizes. Since high-voltage equipment boxes are used in rail vehicles, and the width of a rail vehicle is limited by the width of the track, the size of the high-voltage equipment box is also constrained. Therefore, different high-voltage equipment boxes may have a constant dimension in one direction (e.g., length) but varying dimensions in another direction (e.g., width). Thus, the flexible tilting pre-assembly fixture only needs to be able to adjust the dimension in one direction to accommodate high-voltage equipment boxes of different sizes.

[0050] In order to achieve size adjustment, such as Figure 8 As shown, one of the first crossbeams of the base frame can move axially relative to the first longitudinal beam and is fixed by a limiting device after it has moved into position. Alternatively, both of the first crossbeams of the base frame can move axially relative to the first longitudinal beam and are fixed by a limiting device after they have moved into position.

[0051] Specifically, in this embodiment, an extension rod is provided at both ends of a first crossbeam of the bottom frame, and the two extension rods are respectively inserted into the axial holes of the two first longitudinal beams.

[0052] Positioning screw holes are provided on the two first longitudinal beams. Positioning bolts are inserted into the positioning screw holes to abut the extension rod and limit the position of the first crossbeam.

[0053] Both the movable first crossbeam and the inserted first longitudinal beam are equipped with baffles as supporting devices. Since the baffles cannot be connected to both the first crossbeam and the first longitudinal beam simultaneously, the baffles here have a structure with reinforcing ribs at the bottom to improve their strength. On the other side, at the intersection of the immovable first crossbeam and the first longitudinal beam, a baffle is installed to connect both the first crossbeam and the first longitudinal beam simultaneously, further enhancing their strength.

[0054] Multiple through holes are correspondingly provided along the axial direction on the two second longitudinal beams. This allows the dimensions of the quadrilateral formed by the second longitudinal beam and the second crossbeam to be adjusted along the axial direction of the second longitudinal beam. Consequently, the dimensions of both the upper and lower quadrilaterals can be adjusted accordingly in the same direction. Operators can adjust the size of the tooling frame according to the different high-voltage equipment box dimensions of the existing vehicle, achieving compatibility with the pre-assembly construction of high-voltage equipment boxes of different sizes, and is applicable to different types of rail vehicles.

[0055] When the two first crossbeams of the bottom frame can move axially relative to the first longitudinal beam and are fixed by a limiting device after moving into position, the setup is implemented on the other side of the tooling in accordance with the above scheme.

[0056] This utility model relates to a flexible tilting pre-assembly fixture. Based on the dimensions of the high-voltage equipment box in a rail vehicle, it constructs a physical pre-assembly platform for the high-voltage equipment box, enabling the assembly process to be moved forward into the confined space under the high-voltage equipment box, thus improving the efficiency of pre-assembly and wiring construction. The support structure of the flexible tilting pre-assembly fixture is ergonomically designed, allowing operators to complete wiring construction while standing. Its position can be fixed or adjusted. Placed in a spacious area, the fixture allows operators to pre-assemble the high-voltage equipment box, after which the entire box is hoisted onto the vehicle, further improving construction efficiency. The tilting mechanism of the flexible tilting pre-assembly fixture is electrically driven, allowing for tilting and adjustment to meet construction needs under different working conditions. It also features limit protection, significantly improving production efficiency while ensuring production safety and quality.

[0057] This utility model discloses a flexible tilting pre-assembly fixture, comprising a base frame, columns, second crossbeams, second longitudinal beams, and a tilting device. The base frame is quadrilateral and includes two parallel first crossbeams and two parallel first longitudinal beams. The base frame is provided with a support device. Columns are connected to the two first longitudinal beams of the base frame, and two second longitudinal beams are respectively located on the top of the columns on both sides, parallel to the first longitudinal beams of the base frame. The two second crossbeams are arranged parallel to the first crossbeams. One second crossbeam is detachably connected to one end of the two second longitudinal beams in the same direction, and the other second crossbeam is detachably connected to the other end of the two second longitudinal beams in the same direction. The tilting device is connected to the outside of the two columns on both sides and can rotate the entire structure around the central axis of the tilting device. The high-voltage equipment box is supported by a base frame support device. When the high-voltage equipment box is tilted, the base frame restricts its movement on the base frame plane, the columns restrict the movement of the middle part of the high-voltage equipment box, and the second crossbeam and second longitudinal beam restrict the movement of the upper part of the high-voltage equipment box. A frame-type tooling supports the high-voltage equipment box and can drive it to rotate 90°, facilitating the installation of internal components. Furthermore, one of the first crossbeams of the base frame can move axially relative to the first longitudinal beam and is fixed in place by a limiting device, thus allowing adjustment of the base frame size to accommodate high-voltage equipment boxes of different sizes. Its structure is simple, operation is convenient, and adaptability is strong, greatly improving production efficiency.

[0058] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. The implementation schemes in the above embodiments can also be further combined or replaced. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A flexible flipping pre-assembly tooling, characterized in that: Includes a base frame, uprights, a second crossbeam, a second longitudinal beam, and a tilting device. The base frame is quadrilateral and includes two parallel first horizontal beams and two parallel first vertical beams. The base frame is equipped with a support device. The two first longitudinal beams of the base frame are each connected to a column. Two second longitudinal beams are respectively set on the top of the two side columns, and the second longitudinal beams are parallel to the first longitudinal beam of the bottom frame; Two second crossbeams are arranged parallel to the first crossbeam. One second crossbeam is detachably connected to one end of the two second longitudinal beams in the same direction, and the other second crossbeam is detachably connected to the other end of the two second longitudinal beams in the same direction. The flipping device is connected to the outside of the two side columns respectively, and can rotate the entire structure.

2. The tooling for flexible flipping pre-assembly according to claim 1, characterized in that: It also includes a first clamp set on the first crossbeam of the bottom frame.

3. The tooling for flexible flipping pre-assembly according to claim 2, characterized in that: The first clamps are symmetrically arranged on the two first crossbeams.

4. The tooling for flexible flipping pre-assembly according to claim 3, characterized in that: It also includes a second clamp, which is mounted on the column and faces inward, or the second clamp is mounted on the first longitudinal beam.

5. The tooling for flexible flipping pre-assembly according to claim 4, characterized in that: A through hole is provided on the second longitudinal beam, and a bolt is provided below the second crossbeam to be inserted into the through hole to connect the second crossbeam and the second longitudinal beam.

6. The tooling for flexible flipping pre-assembly according to claim 5, characterized in that: The supporting device is a baffle set at the bottom of the bottom frame. Multiple baffles are set at intervals and extend a certain distance from the frame of the bottom frame to the inside of the bottom frame, but do not cover the entire bottom frame.

7. A flexible flipping pre-assembly tooling according to any one of claims 1-6, characterized in that: The first crossbeam of the bottom frame can move axially relative to the first longitudinal beam and is fixed by a limiting device after it has moved into place.

8. The tooling for flexible flipping pre-assembly according to claim 7, characterized in that: Extension rods are provided at both ends of the first crossbeam of the bottom frame, and the two extension rods are respectively inserted into the axial holes of the two first longitudinal beams.

9. The tooling for flexible flipping pre-assembly according to claim 8, characterized in that: Positioning screw holes are provided on the two first longitudinal beams. Positioning bolts are inserted into the positioning screw holes to abut the extension rod and limit the position of the first crossbeam.

10. A flexible flipping pre-assembly tooling according to claim 9, characterized in that: Multiple through holes are provided on the two second longitudinal beams along their axial direction.

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