A pre-wiring tool for facilitating wiring of an electrical cabinet

Abstract

A pre-wiring tool for facilitating wiring of an electrical cabinet, comprising a pre-wiring support, a pre-wiring panel arranged on the pre-wiring support, and a plurality of U-shaped fixing clips fixed on the pre-wiring panel, the U-shaped fixing clips are arranged according to the actual cable wiring direction, the U-shaped fixing clips are fixed on the pre-wiring panel through a mounting base, a space gap is arranged between the U-shaped fixing clips and the pre-wiring panel, and mounting holes are arranged on the pre-wiring panel corresponding to the connector mounting positions. The wiring operation time can be reduced, the assembly operation cycle can be reduced, and the production efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to prewiring tool, especially to prewiring tool of electric locomotive control electric appliance cabinet wiring BACKGROUND

[0002] At present, the track traffic equipment industry in China is in a high-speed development state, and production efficiency and product quality as important links for product realization are more and more concerned by enterprises, wherein the advantages and disadvantages of product design and maintenance process method play a crucial role in the development of enterprises. The control electric appliance cabinet is a core component of the HXD3C electric locomotive, and the inside of the screen cabinet is composed of various electric components, wires and the like. During production and maintenance operation, the "in-cabinet operation" mode is mainly adopted, but the in-cabinet operation space is small, parallel processes are difficult to carry out, the work intensity of employees is large, the quality state of products is difficult to control, the phenomenon of cable waste is prominent, and how to make a breakthrough on the traditional wiring process method has gradually become a point for enterprises to gradually research and solve.

[0003] The various electrical equipment inside the control electric appliance cabinet of the HXD3C electric locomotive is connected according to the working requirements of the main loop, auxiliary loop and control loop of the locomotive, and various components for electric connection action are connected. The control electric appliance cabinet assembly operation process mainly includes: cable wiring and connector manufacturing, wiring preparation, component installation, small wire wiring, equipment installation plate wiring, large wire wiring and wiring, outsourcing component reinstallation and finishing. The operation content involved in the wiring and wiring process accounts for about 2 / 3 of the entire assembly operation cycle, and wiring, as the front process of wiring, plays a crucial role in the production and maintenance process of the control electric appliance cabinet.

[0004] The existing wiring operation mode of the control electric appliance cabinet has some limitations, mainly aiming at analyzing the "people, materials, methods, environment" four aspects in the process six elements.

[0005] People: Both sides of the cabinet body need to be operated synchronously during the wiring of the control electric appliance cabinet, and single-end wiring operation needs to be completed by two people. The lengthening of operation time leads to the reduction of work efficiency of operation personnel, causing unnecessary waste of personnel resources.

[0006] Material: The radii of the wires operated by the operation personnel during wiring operation are different, so that the length of the wired cable cannot be accurately controlled, and the fixed wiring path causes some cables to have too long radii, which need to be cut off before wiring operation, causing waste of maintenance cost.

[0007] Method: The wiring methods of operation personnel are slightly different, and some operation personnel lack experience in cable wiring details, which cannot meet the requirements of standardized operation. When the wiring path of the cable is not properly selected, unnecessary quality rework will be caused, which affects the quality of wiring operation and leads to the lengthening of the entire assembly operation cycle.

[0008] Ring: due to the HXD3C type electric locomotive control electric appliance cabinet connector is distributed in the upper end and the lower end of the cabinet body, the staff in the operation is easy to cause the staff operation fatigue, leading to the decline of wiring quality and the degree of beauty, the scattered cable in the cabinet is more, leading to the scene is messy. SUMMARY

[0009] The technical problem solved by the utility model is to provide a pre-wiring tool for electric appliance cabinet wiring, which can reduce wiring operation time, reduce assembly operation cycle and improve production efficiency.

[0010] To solve the above technical problem, the technical scheme of the utility model is as follows: a pre-wiring tool for electric appliance cabinet wiring, which comprises a pre-wiring support, a pre-wiring panel arranged on the pre-wiring support and a plurality of U-shaped fixing clamps fixed on the pre-wiring panel, the U-shaped fixing clamps are arranged according to the actual cable routing direction, the U-shaped fixing clamps are fixed on the pre-wiring panel through mounting bases, a space gap is arranged between the U-shaped fixing clamps and the pre-wiring panel, and mounting holes are arranged on the pre-wiring panel corresponding to the connector mounting positions. The utility model principle is as follows: the U-shaped fixing clamps are fixed on the pre-wiring panel according to the actual cable routing direction and the mounting positions of the connectors, appropriate U-shaped fixing clamps are selected according to the wire diameter of the wire harness at each cable routing position, and the arrayed U-shaped fixing clamps facilitate the fixing and binding of the wire harness formed by the pre-installed cables according to the inlet and outlet; before use, the mounting positions of the original mounting plate of each component are one-to-one corresponding on the pre-wiring panel, and an identification is pasted, the finished connector wire harness is pre-installed on the corresponding position of the pre-wiring panel, and each wire harness is fixed above the U-shaped fixing clamps according to the wiring point requirements of the cable; finally, the pre-installed cable is lifted out, and the cable is installed in the cabinet body of the control electric appliance cabinet according to the corresponding position, so that the cable is laid on the pre-wiring tool without the obstruction of the mounting plate at the intersection of the components and the cabinet body, the wiring and bundling are more convenient, the probability of cable damage is reduced, the wiring is more neat and beautiful, the completed wire harness is put into the wiring board for operation, the operation is simple and easy, and the quality of the product can be guaranteed.

[0011] As an improvement, the bottom of the pre-wiring support is provided with casters.

[0012] As an improvement, the pre-wiring support is welded by square tubes, including vertical tubes, horizontal tubes and longitudinal tubes.

[0013] As an improvement, the pre-wiring panel is an epoxy resin plate, the pre-wiring panel is provided with first threaded holes corresponding to the mounting base positions, and the mounting base is threadedly connected with the first threaded holes.

[0014] As an improvement, the mounting base comprises a round bar, the lower end of the round bar is provided with an external thread section, the upper end of the round bar is provided with a second threaded hole, and the U-shaped fixing clamp is fixed at the second threaded hole of the round bar through a screw.

[0015] The utility model discloses compared with prior art brings beneficial effect is:

[0016] Through the pre-wiring tool, the screen cabinet wiring process is changed from a three-dimensional type to a planar type, and the screen cabinet production is multi-process, the distribution position of components is reasonably pre-wired on the outside of the cabinet body, the wire harness is assembled before wiring, and the wire harness is only fixed at the corresponding position of the wire rod of the cabinet body during installation, so that wiring operation time can be reduced, assembly operation cycle can be reduced, production efficiency can be improved, wiring personnel's proficiency can be improved through the standardized wiring method, and wiring quality can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the utility model.

[0018] Figure 2 It is Figure 1 an enlarged view of A.

[0019] Figure 3 It is a schematic view of the pre-wiring support.

[0020] Figure 4 It is a schematic view of the pre-wiring panel. DETAILED DESCRIPTION

[0021] The utility model will be further described below in conjunction with the drawings of the specification.

[0022] As Figure 1 shown, a pre-wiring tool for facilitating wiring of a control electric appliance cabinet of an HXD3C type electric locomotive, comprising a pre-wiring support 1, a pre-wiring panel 2 provided on the pre-wiring support 1, and a plurality of U-shaped fixing clamps 3 fixed on the pre-wiring panel 2.

[0023] As Figure 1 , 3 shown, the pre-wiring support 1 is welded by square tubes, including a vertical tube 11, a horizontal tube 13, and a longitudinal tube 12. A support rib plate 14 is welded at the connection position of each square tube, for enhancing the support structure of the whole and improving the load-bearing capacity of the pre-wiring support 1. The bottom of the pre-wiring support 1 is provided with casters 5, a fixed plate 15 is welded at the bottom of the vertical column, and the casters 5 are installed at the fixed plate 15. In the embodiment, there are three groups of casters in total, the casters at both ends of the pre-wiring support 1 are universal casters, and the group of casters in the middle of the pre-wiring support 1 is a directional caster. The universal caster needs to have a brake function, which can ensure the stability of the caster during use and meet the convenience requirement during movement.

[0024] As Figure 1 , 4 shown, the pre-wiring panel 2 is horizontally installed on the top of the pre-wiring support 1, and the pre-wiring panel 2 is processed from an epoxy resin plate, with a single-piece size of 1200mmx2400mmx8mm. First threaded holes 7 are provided on the pre-wiring panel 2 according to the arrangement of the U-shaped fixing clips 3, the first threaded holes 7 penetrate the pre-wiring panel 2, and the U-shaped fixing clips 3 are fixed at the first threaded holes on the pre-wiring panel 2 through mounting bases 6. Mounting holes are provided on the pre-wiring panel 2 corresponding to the connector mounting positions.

[0025] As Figure 1 , 2 shown, the U-shaped fixing clips 3 are arranged according to the actual cable routing direction, and since the U-shaped fixing clips 3 are fixed on the pre-wiring panel 2 through the mounting bases 6, a space gap is provided between the U-shaped fixing clips 3 and the pre-wiring panel 2, which facilitates the binding of the wire harness by passing through the strip. The mounting base 6 includes a round bar, the lower end of the round bar is provided with an external thread segment, and the upper end of the round bar is provided with a second threaded hole, the U-shaped fixing clip 3 is fixed at the second threaded hole of the round bar through a screw, the U-shaped fixing clip 3 is fixed above the mounting base 6 using a screw, and after the screw is loosened, the U-shaped fixing clip 3 can be rotated by 360 degrees. The installation direction of the U-shaped fixing clip 3 needs to be adjusted according to the actual cable routing direction, such as the cable turning position, and the U-shaped fixing clip 3 needs to be rotated by 45 degrees.

[0026] The utility model principle: according to the actual cable routing direction and the mounting position of connector, the U-shaped fixing clip 3 is fixed on the pre-wiring panel 2, the appropriate U-shaped fixing clip 3 is selected according to the wire diameter size of the wire harness at each cable routing position, and the arrayed U-shaped fixing clip 3 facilitates the fixing and binding of the wire harness formed by the in-and-out collection of each cable of pre-installed connection; before use, the mounting positions of each component original mounting plate are one-to-one corresponding on the pre-wiring panel 2, and an identification is pasted, the finished connector wire harness is pre-installed on the corresponding position of the pre-wiring panel 2, and each wire harness is fixed above the U-shaped fixing clip 3 according to the cable connection point position requirement; finally, the whole pre-installed cable is lifted out and installed into the cabinet body of the control electric appliance cabinet according to the corresponding position, so that the wiring is carried out on the pre-wiring tool now, without the obstruction of the mounting plate at the component and cabinet intersection, the wiring and binding are more convenient, the cable damage probability is reduced, the wiring is more neat and beautiful, the completed wire harness is put into the wiring plate for operation, the operation is simple and easy, and the quality of the product can be guaranteed.

[0027] Compared with the traditional cabinet pre-wiring method, the utility model is mainly optimized from the following four aspects:

[0028] Person: when the control electrical cabinet maintenance, cabinet maintenance, material preparation and component installation, pre-wiring production and other procedures can be carried out simultaneously, shorten the wiring time in the cabinet, save unnecessary personnel waiting time, reduce labor costs.

[0029] Material: the cable line arc requirement is clear, and the cable length is controlled to ensure the effective use of the cable and save the maintenance cost.

[0030] Method: the pre-wiring outside the cabinet is adopted to further standardize and unify the wiring requirements, ensure the molding rate of the wiring harness, and realize the standardization requirement of the wiring.

[0031] Ring: the pre-wiring outside the cabinet is adopted to greatly reduce the wiring time in the cabinet, reduce the labor intensity of the employees, and ensure the beauty of the wiring and the neatness of the site.

Claims

1. A pre-wiring fixture for facilitating wiring in electrical cabinets, characterized in that: The pre-wiring support, the pre-wiring panel arranged on the pre-wiring support and the U-shaped fixing clamps arranged on the pre-wiring panel, the U-shaped fixing clamps are arranged according to the actual cable routing direction, the U-shaped fixing clamps are fixed on the pre-wiring panel through the mounting base, a space gap is arranged between the U-shaped fixing clamps and the pre-wiring panel, and the mounting hole is arranged on the pre-wiring panel corresponding to the connector mounting position.

2. The pre-wiring tool for facilitating wiring of an electrical cabinet according to claim 1, wherein: The bottom of the pre-wiring support is provided with a castor.

3. The pre-wiring tool for facilitating the wiring of an electrical cabinet of claim 1, wherein: The pre-wiring support is welded by square tubes, including a vertical tube, a horizontal tube and a longitudinal tube.

4. The pre-wiring tool for facilitating the wiring of an electrical cabinet of claim 1, wherein: The pre-wiring panel is an epoxy resin plate, the pre-wiring panel is provided with a first threaded hole corresponding to the mounting base position, and the mounting base is in threaded connection with the first threaded hole.

5. The pre-wiring tool for facilitating the wiring of an electrical cabinet of claim 1, wherein: The mounting base comprises a round bar, the lower end of the round bar is provided with an external thread section, the upper end of the round bar is provided with a second threaded hole, and the U-shaped fixing clamp is fixed at the second threaded hole of the round bar through a screw.

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