Connecting device for electric vehicle lower guard plate transfer frame

Abstract

The utility model belongs to the technical field of electric automobile accessory storage racks, and discloses a connecting device for an electric automobile lower protection plate transfer frame, which comprises a bottom frame and universal wheels fixed at four corners of a bottom plate surface of the bottom frame, wherein a transfer frame connecting mechanism integrated with the underframe is arranged on the front side wall of the underframe, and a transfer frame fixing mechanism integrated with the underframe is arranged on the rear side wall of the underframe. Due to the structure, the curve passing capacity of a plurality of transfer frames is improved, the labor intensity of workers is reduced, the transfer efficiency is improved, and the transfer cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric automobile accessories storage rack technical field provides a kind of electric automobile lower fender plate transfer frame connecting device for improving the curve passing capacity of multiple transfer frames, reducing worker's labor intensity, improving transfer efficiency and reducing transfer cost. BACKGROUND

[0002] In the manufacturing process of electric vehicles, various functions of the lower protective plate are designed according to various different models to protect the motor, battery and various control components. The lower protective plate is often involved in injection molding, inspection and packaging during the manufacturing process, and then transferred to the assembly workshop.

[0003] The existing electric vehicle lower fender transfer frame generally includes a chassis, four vertical columns fixed on the four corners of the chassis, a hanging frame arranged on the vertical columns, and a single positioning buckle located on the hanging frame. When multiple transfer frames need to be transferred from the injection molding station to the inspection station, or the transfer frame of the packaged workpiece needs to be transferred from the workshop to the outside of the vehicle after inspection, workers usually use steel wires to bundle the vertical columns of adjacent transfer frames, and then transfer them by setting universal wheels on the chassis or fixing the chassis on a trailer. After transferring to the desired position, manually unbuckle. The existing method makes the worker's labor intensity large, and the curve passing capacity of the bundled multiple transfer frames is poor, so that the number of bundled transfer frames is limited, resulting in long transfer time and high cost. UTILITY MODEL CONTENTS

[0004] Therefore, the purpose of the utility model is to provide a kind of electric automobile lower fender transfer frame connecting device for improving the curve passing capacity of multiple transfer frames, reducing worker's labor intensity, improving transfer efficiency and reducing transfer cost.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of electric automobile lower fender transfer frame connecting device, including chassis, universal wheel fixed in the position of the four corners of the bottom plate face of chassis;Wherein: the front side wall of the chassis is provided with the transfer frame connecting mechanism integrated with it, and the rear side wall of the chassis is provided with the transfer frame fixing mechanism integrated with it;

[0007] The transport frame connecting mechanism comprises two quick mounting plates fixed symmetrically on the front side wall of the chassis, two rotating shafts located in the strip-shaped slots on the two quick mounting plates, and an arc-shaped pull rod for fixing the two rotating shafts as a whole, wherein the arc-shaped pull rod and the front side wall of the chassis integrally enclose a plug-in cavity; the top end of the mounting plate is provided with a limiting slot, and a positioning rod integrated with the arc-shaped pull rod is fixed on the arc-shaped pull rod, and the positioning rod is located on the lower plate surface of the arc-shaped pull rod; under the action of external force, the arc-shaped pull rod is pulled to make the rotating shafts slide in the strip-shaped slots; when the rotating shafts are located at the lowest position of the strip-shaped slots, the positioning rod is tightly positioned against the front plate surface of the mounting plate and extends out of the front side wall of the chassis; when the rotating shafts are located at the middle and upper parts of the strip-shaped slots, the positioning rod slides into the limiting slot to make the center line of the arc-shaped pull rod parallel to the front side wall of the chassis.

[0008] The transport frame fixing mechanism comprises a channel steel fixed integrally with the rear side wall of the chassis, and fastening screws threadedly connected with the two side plates of the channel steel.

[0009] In use, the arc-shaped pull rods of the transport frame connecting mechanisms on the two adjacent chassis are inserted into the channel steel of the transport frame fixing mechanism, and the fastening screws of the transport frame fixing mechanism are sequentially inserted through one side plate of the channel steel, the plug-in cavity of the transport frame connecting mechanism and the other side plate of the channel steel to integrally rotate connect the two chassis.

[0010] In order to facilitate the workers to operate the fastening screws, in the above scheme, further, the top end of the fastening screw is provided with a handle integrated with the fastening screw.

[0011] In order to facilitate the adjustment of the included angle between the arc-shaped pull rod and the ground, in the above scheme, further, a positioning adjusting rod integrated with the arc-shaped pull rod is fixed on the arc-shaped pull rod, and the positioning adjusting rod is located below the positioning rod.

[0012] In order to facilitate the installation of the transport frame on the device, in the above scheme, further, a stand integrated with the chassis is arranged at the four corners of the chassis, the stand is a square tube, the lower end of the stand has a flared connecting section a, the top end of the stand has a flared connecting section b, the shape of the flared connecting section b matches the shape of the flared connecting section a, and the caliber of the flared connecting section b is smaller than the caliber of the flared connecting section a.

[0013] The beneficial effects of the present application are as follows:

[0014] The adjacent two chassis can be rotatably connected, a plurality of transport frames can be transported at one time, the curve passing capacity of the plurality of transport frames after being integrated is effectively ensured, the transport efficiency is improved, and the transport cost is reduced.

[0015] The binding operation and the one-time transport of a plurality of transport frames are no longer needed, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in preferred detail below with the drawings, wherein

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the three-dimensional structure schematic diagram of another direction of the utility model;

[0019] Figure 3 It is the three-dimensional structure schematic diagram of the positioning rod sliding into the limiting slot of the utility model;

[0020] Figure 4 It is the enlarged structure schematic diagram of the utility model stand column;

[0021] The sign: 1, underframe; 2, universal wheel; 3, transfer frame connecting mechanism; 301, mounting plate; 302, rotating shaft; 303, arc pull rod; 304, plug-in cavity; 305, strip slot; 306, limiting slot; 307, positioning rod; 308, positioning adjusting rod; 4, transfer frame fixing mechanism; 401, channel steel; 402, fastening screw; 403, handle; 5, stand column; 501, horn-shaped connecting section a; 502, horn-shaped connecting section b. Specific implementation

[0022] The utility model will be described further below in combination with specific implementation. Wherein, the drawings are only for example description, and the representation is only schematic diagram, and not physical drawing, and it cannot be understood as the limitation of the patent of the utility model; in order to better illustrate the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and it does not represent the size of actual product; for the technical personnel of the field, it is understandable that some known structures in the drawings and its description can be omitted.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, and it is only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation configuration and operation, so it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and it cannot be understood as indicating or implying relative importance. The utility model will be described in further detail below in combination with the drawings.

[0024] As Figures 1-4The utility model provides a kind of connecting device for electric automobile lower fender transfer frame, including chassis 1, universal wheel 2 being fixed at the position of four corners of the bottom plate face of chassis 1;Wherein: the front side wall of the chassis 1 is provided with the transfer frame connecting mechanism 3 integrated with it, the rear side wall of the chassis 1 is provided with the transfer frame fixing mechanism 4 integrated with it;

[0025] The transfer frame connecting mechanism 3 includes two quick mounting plates 301 fixed symmetrically on the front side wall of the chassis 1, two rotating shafts 302 located in the slot 305 on the two quick mounting plates 301, an arc-shaped pull rod 303 that integrates the two rotating shafts 302, and a plug-in cavity 304 formed by the arc-shaped pull rod 303, the two rotating shafts 302 and the front side wall of the chassis 1; the top end of the mounting plate 301 has a limiting slot 306, and a positioning rod 307 integrated with the arc-shaped pull rod 303 is fixed on the arc-shaped pull rod 303, the positioning rod 307 is located on the lower surface of the arc-shaped pull rod 303, and under the action of external force, the arc-shaped pull rod 303 is pulled to make the rotating shaft 302 slide in the slot 305; when the rotating shaft 302 is located at the lowest position of the slot 305, the positioning rod 307 is positioned and protrudes out of the front side wall of the chassis 1 by abutting against the front surface of the mounting plate 301; when the rotating shaft 302 is located in the upper middle part of the slot 305, the positioning rod 307 slides into the limiting slot 306 to make the axis of the arc-shaped pull rod 303 parallel to the front side wall of the chassis 1;

[0026] The transfer frame fixing mechanism 4 includes a channel steel 401 fixed integrally with the rear side wall of the chassis 1, and a fastening screw 402 threadedly connected with the two side plates of the channel steel 401;

[0027] In use, the arc-shaped pull rod 303 of the transfer frame connecting mechanism 3 on the adjacent two chassis 1 is inserted into the channel steel 401 of the transfer frame fixing mechanism 4, and the fastening screw 402 of the transfer frame fixing mechanism 4 is sequentially inserted through one side plate of the channel steel 401, the plug-in cavity 304 of the transfer frame connecting mechanism 3 and the other side plate of the channel steel 401 to integrally connect the two chassis 1.

[0028] To facilitate the worker to operate the fastening screw 402, in the above embodiment, preferably: the top end of the fastening screw 402 is provided with a handle 403 integrated therewith.

[0029] To facilitate the adjustment of the included angle between the arc-shaped pull rod 303 and the ground, in the above embodiment, preferably: a positioning adjusting rod 308 integrated with the arc-shaped pull rod 303 is fixed on the arc-shaped pull rod 303, and the positioning adjusting rod 308 is located below the positioning rod 307.

[0030] In order to facilitate the installation of the transfer frame on the device, in the above embodiment, preferably, the four corners of the chassis 1 are provided with a column 5 integrated therewith, the column being a square tube, the lower end of the column 5 having a flared connecting section a501, the top end of the column 5 having a flared connecting section b502, the shape of the flared connecting section b502 matching the shape of the flared connecting section a501, and the caliber of the flared connecting section b502 being smaller than the caliber of the flared connecting section a501. In this embodiment, the lower end of the column on the transfer frame has a flared connecting section, the shape of the flared connecting section matching the shape of the flared connecting section a501, and the caliber of the flared connecting section of the column on the transfer frame being smaller than the caliber of the flared connecting section a501.

[0031] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A connecting device for a transfer frame for an electric vehicle's lower guard plate, comprising a base frame (1) and casters (2) fixed at the four corners of the base plate of the base frame (1); characterized in that: The base frame (1) is provided with a transfer frame connecting mechanism (3) integrated with it on the front side wall, and the base frame (1) is provided with a transfer frame fixing mechanism (4) integrated with it on the rear side wall. The transfer frame connecting mechanism (3) includes two mounting plates (301) symmetrically fixed on the front side wall of the base frame (1), two rotating shafts (302) located in the strip grooves (305) on the two mounting plates (301), and an arc-shaped tie rod (303) that fixes the two rotating shafts (302) into one piece. The arc-shaped tie rod (303) and the two rotating shafts (302) and the front side wall of the base frame (1) form an insertion cavity (304). The top of the mounting plate (301) has a limiting groove (306), and a positioning rod (307) is fixed on the arc-shaped tie rod (303) and is integrated with it. (307) Located on the lower plate surface of the arc-shaped tie rod (303), the arc-shaped tie rod (303) is pulled by external force to make the rotating shaft (302) slide in the strip groove (305). When the rotating shaft (302) is located at the lowest position of the strip groove (305), the positioning rod (307) is pressed against the front plate surface of the mounting plate (301) and extends out of the front side wall of the base frame (1). When the rotating shaft (302) is located in the middle and upper part of the strip groove (305), the positioning rod (307) slides into the limiting groove (306) so that the axis of the arc-shaped tie rod (303) is parallel to the front side wall surface of the base frame (1). The transfer frame fixing mechanism (4) includes a channel steel (401) that is fixed to the rear side wall of the base frame (1) as a whole, and fastening screws (402) that are threaded to the two side plates of the channel steel (401). In use, the arc-shaped tie rod (303) of the transfer frame connecting mechanism (3) on the two adjacent base frames (1) is inserted into the channel steel (401) of the transfer frame fixing mechanism (4). The fastening screw (402) of the transfer frame fixing mechanism (4) passes through a side plate of the channel steel (401), the insertion cavity (304) of the transfer frame connecting mechanism (3) and another side plate of the channel steel (401) in sequence, and then rotates and connects the two base frames (1) into one unit.

2. The connecting device for the electric vehicle lower guard plate transfer frame according to claim 1, characterized in that: The top of the fastening screw (402) is provided with an integral handle (403).

3. The connecting device for the electric vehicle lower guard plate transfer frame according to claim 1, characterized in that: The arc-shaped tie rod (303) is fixed with an integral positioning adjustment rod (308), which is located below the positioning rod (307).

4. The connecting device for the electric vehicle lower guard plate transfer frame according to claim 1, characterized in that: The base frame (1) is provided with an integral column (5) at its four corners. The column is a square tube. The lower end of the column (5) has a flared connecting section a (501), and the top end of the column (5) has a flared connecting section b (502). The shape of the flared connecting section b (502) matches the shape of the flared connecting section a (501). The diameter of the flared connecting section b (502) is smaller than the diameter of the flared connecting section a (501).

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