Wire harness turnover trolley

Abstract

The utility model discloses a wire harness turnover trolley which comprises a frame and universal wheels arranged at the bottom of the frame. The frame comprises a first frame and a second frame which are connected together; the first frame is provided with a containing cavity, through holes communicated with the outside and the containing cavity are formed in the side face and the bottom face of the first frame, two hydraulic cylinders are oppositely and fixedly arranged on the inner wall of the containing cavity, each hydraulic cylinder is connected with a vertically-arranged pressing plate with a blade, and a plastic bag capable of being scratched by the blade is arranged between the two pressing plates; the plastic bag filled with inert gas is fixedly connected to the bottom wall of the containing cavity. A temperature sensor is arranged on the upper surface of the first frame; and the hydraulic cylinder and the temperature sensor are electrically connected with the controller. According to the wire harness turnover trolley, wire harnesses can be transferred, fire spreading can be effectively prevented when the wire harnesses are on fire in the turnover process, and economic losses of enterprises are effectively reduced and avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile wiring harness production equipment, and specifically relates to a wiring harness turnover trolley. Background Art

[0002] The automotive wiring harness is an important part for transmitting information on the car. In the process of manufacturing automotive wiring harnesses, a lot of wire reels are needed. Now the weight of the general wire reel reaches more than 100 pounds, which is time-consuming and labor-intensive to carry, and the wires are easily damaged during the turnover process. Therefore, it is very important to design a wire harness handling turnover tool that saves time and effort, has high handling efficiency, and has a stable and reliable handling process.

[0003] Wire harnesses may catch fire during turnover or temporary storage. Once the wire harnesses burn, the fire will quickly grow, causing a more serious fire and causing greater losses to the company. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a wire harness turnover trolley, which can realize the transportation of the wire harness and effectively prevent the spread of fire when the wire harness catches fire during the turnover process, thereby effectively reducing the economic losses of the enterprise.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a wire harness turnover trolley, comprising a frame and a universal wheel arranged at the bottom of the frame; the frame comprises a first frame and a second frame connected together; the first frame is provided with a accommodating cavity, and through holes are opened on the side and bottom surfaces of the first frame, and the through holes connect the outside and the accommodating cavity; two hydraulic cylinders arranged opposite to each other are fixed on the inner wall of the accommodating cavity, each of the hydraulic cylinders is respectively connected to a vertically arranged pressure plate, a plastic bag is arranged between the two pressure plates, and the two pressure plates can squeeze the plastic bags under the action of the hydraulic cylinders; a plurality of blades are arranged on the pressure plates, and when the pressure plates squeeze the plastic bags, the blades can cut the plastic bags; the plastic bag is fixedly connected to the bottom wall of the accommodating cavity, and the plastic bag is filled with inert gas; a temperature sensor is arranged on the upper surface of the first frame; the hydraulic cylinder and the temperature sensor are both electrically connected to a controller.

[0006] Furthermore, a connecting arm is hinged on the side of the first frame, and a U-shaped positioning hole opening downward is provided on the connecting arm; correspondingly, a positioning pin cooperating with the U-shaped positioning hole to fix the frame is provided on the side of the second frame.

[0007] Furthermore, two opposite side portions of the first frame are respectively hinged with a connecting arm.

[0008] Furthermore, a wire reel positioning structure and a wire reel magnetic attraction structure for fixing the wire reel are provided on the top of the first frame and the second frame.

[0009] Furthermore, the wire drum positioning structure includes a circular groove; an annular protrusion is provided at the bottom of the circular groove; and an annular groove matching the annular protrusion is provided at the bottom of the wire drum.

[0010] Furthermore, the wire drum positioning structure comprises a circular groove; the bottom of the circular groove is provided with an annular groove; the bottom of the wire drum is provided with an annular protrusion matched with the annular groove.

[0011] Furthermore, the wire reel magnetic attraction structure includes a first magnetic attraction component arranged on the annular protrusion and a second magnetic attraction component arranged in the annular groove and adapted to the first magnetic attraction component.

[0012] Furthermore, three universal wheels arranged in a triangle are disposed at the bottom of each of the first frame and the second frame.

[0013] Furthermore, a push handle is provided on the first frame.

[0014] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] The harness turnover trolley of the utility model includes a frame and a universal wheel arranged at the bottom of the frame. The frame includes a first frame and a second frame connected together; the first frame is provided with a receiving cavity, and through holes are opened on the side and bottom of the first frame, and the through holes connect the outside and the receiving cavity; two hydraulic cylinders arranged opposite to each other are fixed on the inner wall of the receiving cavity, and each hydraulic cylinder is respectively connected with a vertically arranged pressure plate, and a plastic bag is arranged between the two pressure plates, and the two pressure plates can squeeze the plastic bag under the action of the hydraulic cylinder; a plurality of blades are arranged on the pressure plate, and when the pressure plate squeezes the plastic bag, the blades can cut the plastic bag; the plastic bag is fixedly connected to the bottom wall of the receiving cavity, and the plastic bag is filled with inert gas; a temperature sensor is arranged on the upper surface of the first frame; the hydraulic cylinder and the temperature sensor are both electrically connected to the controller. The harness turnover trolley of the utility model can realize the transportation of the harness, and can effectively prevent the spread of the fire when the harness catches fire during the turnover process, and effectively reduce the economic losses of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the wiring harness turnover trolley of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the harness turnover trolley of the utility model in use;

[0018] Figure 3 is a cross-sectional view of the first frame (without universal wheels);

[0019] Figure 4 It is a three-dimensional picture of the wire reel;

[0020] In the figure, 1, push handle; 2, first frame; 21, accommodating cavity; 22, through hole; 3, second frame; 4, universal wheel; 5, connecting arm; 51, U-shaped positioning hole; 6, positioning pin; 7, wire drum; 71, winding body; 72, disc-shaped limiting part; 73, annular groove; 8, circular groove; 9, annular protrusion; 10, temperature sensor; 11, hydraulic cylinder; 12, pressure plate; 13, blade; 14, plastic bag; 15, inert gas. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Combination Figure 1 as well as Figure 2 As shown together, a wire harness turnover trolley comprises a frame and a universal wheel 4 arranged at the bottom of the frame.

[0023] The frame preferably includes a first frame 2 and a second frame 3 connected together. A connecting arm 5 is hingedly connected to the side of the first frame 2, and a U-shaped positioning hole 51 with an opening facing downward is provided on the connecting arm 5; accordingly, a positioning pin 6 is provided on the side of the second frame 3 to cooperate with the U-shaped positioning hole 51 to fix the frame. When the positioning pin 6 is inserted into the U-shaped positioning hole 51, the first frame 2 is fixedly connected to the second frame 3.

[0024] Further preferably, two opposite side portions of the first frame 2 are respectively hinged with a connecting arm 5 .

[0025] Preferably, three universal wheels 4 arranged in a triangle are disposed at the bottom of each of the first frame 2 and the second frame 3 .

[0026] Preferably, a push handle is provided on the first frame.

[0027] Combination Figure 1 as well as Figure 3 As shown together, the first frame 2 is provided with a receiving chamber 21, and through holes 22 are provided on the side and bottom of the first frame 2, and the through holes 22 communicate with the outside and the receiving chamber 21. Two hydraulic cylinders 11 arranged opposite to each other are fixed on the inner wall of the receiving chamber 21, and each hydraulic cylinder 11 is respectively connected to a vertically arranged pressing plate 12, and a plastic bag 14 is arranged between the two pressing plates 12, and the two pressing plates 12 can squeeze the plastic bag 14 under the action of the hydraulic cylinder 11. A plurality of blades 13 are arranged on the pressing plate 12, and when the pressing plate 12 squeezes the plastic bag 14, the blades 13 can cut the plastic bag 14; the plastic bag 14 is fixedly connected to the bottom wall of the receiving chamber 21, and the plastic bag 14 is filled with an inert gas 15.

[0028] Preferably, a temperature sensor 10 is provided on the upper surface of the first frame 2; Figure 1 It is shown that a temperature sensor 10 is provided. In fact, multiple temperature sensors 10 can be provided on the upper surface of the first frame 2, and when the wire reel 7 is placed on the first frame 2, the multiple temperature sensors 10 are arranged close to the wire reel 7, so that when the wire harness on the wire reel 7 catches fire, the temperature sensor 10 can detect it in time.

[0029] The hydraulic cylinder 11 and the temperature sensor 10 are both electrically connected to a controller (not shown in the figure). The controller receives the feedback signal from the temperature sensor 10 disposed on the upper surface of the first frame 2, and after analysis and processing, determines that the wire harness wound on the wire reel 7 is on fire. The controller controls the hydraulic cylinder 11 to drive the pressing plate 12 to squeeze the plastic bag 14 from both sides, and the blades 13 disposed on the two pressing plates 12 quickly cut the plastic bag 14 to release the inert gas 15. The inert gas 15 escapes through the through hole 22 and surrounds the burning wire reel 7, so that the wire reel 7 is isolated from the surrounding air to prevent the fire from spreading further.

[0030] Combination Figure 1 , Figure 2 ,as well as Figure 4 As shown together, the tops of the first frame 2 and the second frame 3 are both provided with a wire reel positioning structure and a wire reel magnetic attraction structure for fixing the wire reel 7 .

[0031] In this embodiment, the wire drum positioning structure includes a circular groove 8; the bottom of the circular groove 8 is provided with an annular protrusion 9. The wire drum 7 includes a truncated cone or cylindrical winding body 71, and the two ends of the winding body 71 are respectively provided with a disc-shaped limiting portion 72, and the disc-shaped limiting portion 72 at the bottom end is provided with an annular groove 73 adapted to the annular protrusion 9; the radial positioning of the wire drum 7 is achieved by using the protrusion-groove matching structure.

[0032] In this embodiment, the wire drum magnetic attraction structure includes a first magnetic attraction component arranged on the annular protrusion 9 and a second magnetic attraction component arranged in the annular groove 73 and adapted to the first magnetic attraction component; the axial positioning of the wire drum 7 is achieved by cooperating with the first magnetic attraction component and the second magnetic attraction component.

[0033] In some other embodiments, an annular groove 73 is provided at the bottom of the circular groove 8 ; and an annular protrusion 9 matching the annular groove 73 is provided at the bottom of the wire drum 7 .

[0034] The utility model can transport and circulate two wire reels 7 at a time, saving manpower and greatly improving the transportation and turnover efficiency; and the wire reel 7 is firmly fixed on the frame by using the wire reel positioning structure and the wire reel magnetic attraction structure, ensuring the stability and reliability of the transportation and turnover process, and will not cause damage to the wire reel 7 due to bumps or shaking, and further ensuring the quality of the wire harness wound on the wire reel 7.

[0035] The technical features named with serial numbers (such as the first frame, the second frame, etc.) involved in this specification are only for distinguishing the various technical features and do not represent the positional relationship, installation sequence, working sequence, etc. between the various technical features.

[0036] In the description of this specification, it is necessary to understand that the orientation or positional relationship described by "upper surface", "side", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] Although the specific implementation methods of the utility model are described above, those skilled in the art should understand that the described embodiments are only part of the implementation methods of the utility model, rather than all the implementation methods, which are only examples, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementation methods without departing from the principle and essence of the utility model and without any creative work, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A harness turnover trolley, comprising a frame and a universal wheel arranged at the bottom of the frame; characterized in that: The frame includes a first frame and a second frame connected together; The first frame is provided with a receiving cavity, and through holes are provided on the side and bottom of the first frame, and the through holes are connected to the outside and the receiving cavity; two hydraulic cylinders arranged opposite to each other are fixed on the inner wall of the receiving cavity, and each of the hydraulic cylinders is respectively connected to a vertically arranged pressing plate, and a plastic bag is arranged between the two pressing plates, and the two pressing plates can squeeze the plastic bag under the action of the hydraulic cylinders; a plurality of blades are arranged on the pressing plates, and when the pressing plates squeeze the plastic bags, the blades can cut the plastic bags; the plastic bag is fixedly connected to the bottom wall of the receiving cavity, and the plastic bag is filled with an inert gas; A temperature sensor is provided on the upper surface of the first frame; The hydraulic cylinder and the temperature sensor are both electrically connected to the controller.

2. The wiring harness turnover trolley according to claim 1, characterized in that: A connecting arm is hinged on the side of the first frame, and a U-shaped positioning hole opening downward is provided on the connecting arm; correspondingly, a positioning pin cooperating with the U-shaped positioning hole to fix the frame is provided on the side of the second frame.

3. The wiring harness turnover trolley according to claim 2, characterized in that: One connecting arm is hingedly connected to opposite side portions of the first frame respectively.

4. The wiring harness turnover trolley according to claim 1, characterized in that: A wire drum positioning structure and a wire drum magnetic attraction structure for fixing the wire drum are disposed on the top of the first frame and the second frame.

5. The wiring harness turnover trolley according to claim 4, characterized in that: The wire drum positioning structure comprises a circular groove; a ring-shaped protrusion is arranged at the bottom of the circular groove; and a ring-shaped groove matching with the ring-shaped protrusion is arranged at the bottom of the wire drum.

6. The wiring harness turnover trolley according to claim 5, characterized in that: The wire drum positioning structure comprises a circular groove; an annular groove is provided at the bottom of the circular groove; and an annular protrusion matched with the annular groove is provided at the bottom of the wire drum.

7. The wiring harness turnover trolley according to claim 6, characterized in that: The wire drum magnetic attraction structure includes a first magnetic attraction component arranged on the annular protrusion and a second magnetic attraction component arranged in the annular groove and adapted to the first magnetic attraction component.

8. The wiring harness turnover trolley according to claim 1, characterized in that: The bottom of each of the first frame and the second frame is provided with three universal wheels arranged in a triangle.

9. The wiring harness turnover trolley according to claim 1, characterized in that: The first frame is provided with a push handle.

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