A high-voltage wiring harness wiring device for electric drive assembly for laboratory use

Abstract

The utility model discloses a high-voltage wiring harness wiring device for an electric drive assembly for a laboratory, comprising a rotating adjustment block, the bottom of the rotating adjustment block is welded to the top of a screw rod, the bottom of the screw rod is connected to the inside of a movable pressing block by threads, both sides of the movable pressing block are slidably connected to the inner wall of a wiring fixed outer frame chamber, a partition plate is provided on the inner side of the middle end of a bottom plate of the wiring fixed outer frame, a positive terminal of a high-voltage wiring harness of the electric drive assembly is provided on the left side of the partition plate, the bottom of the positive terminal of the high-voltage wiring harness of the electric drive assembly is fixed to the top of the left end of the bottom plate of the wiring fixed outer frame, a positive terminal of a high-voltage wiring harness of a direct current power supply is provided on the right side of the partition plate, the bottom of the positive terminal of the high-voltage wiring harness of the direct current power supply is fixed to the top of the right end of the bottom plate of the wiring fixed outer frame, an internal threaded tube is provided inside the top plate of the wiring fixed outer frame, the inside of the internal threaded tube is connected to the outside of the screw rod by threads, and compared with the original method of connecting with bolts, the device effectively avoids the situation where insulation treatment is not in place and prevents leakage at the connection.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical wiring, in particular to a high-voltage wire harness wiring device for an electric drive assembly used in a laboratory. Background Art

[0002] During the electric drive assembly test, when setting up the test environment, the electric drive assembly requires a high-voltage DC power supply to drive the motor to work. Therefore, the high-voltage DC wiring harness of the electric drive assembly needs to be connected to the high-voltage DC wiring harness of the high-voltage DC power supply.

[0003] In actual production tests, copper noses and bolts are used for connection. Due to improper operation, the use of bolt specifications and tightening torque do not meet the requirements, and insulation treatment is not in place, accidents such as leakage and reverse connection of positive and negative poles often occur. Therefore, a high-voltage wiring harness wiring device for electric drive assembly for laboratory use is proposed to address the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A high-voltage wiring harness wiring device for an electric drive assembly for a laboratory comprises a rotating adjustment block, the bottom of the rotating adjustment block is welded to the top of a screw rod, the bottom of the screw rod is connected to the inside of a movable pressing block by threads, both sides of the movable pressing block are slidingly connected to the inner wall of a wiring fixed outer frame chamber, a partition plate is provided on the inner side of the middle end of a bottom plate of the wiring fixed outer frame, a positive terminal of a high-voltage wiring harness of the electric drive assembly is provided on the left side of the partition plate, the bottom of the positive terminal of the high-voltage wiring harness of the electric drive assembly is fixed to the top of the left end of the bottom plate of the wiring fixed outer frame, a positive terminal of a high-voltage wiring harness of a direct current power supply is provided on the right side of the partition plate, the bottom of the positive terminal of the high-voltage wiring harness of the direct current power supply is fixed to the top of the right end of the bottom plate of the wiring fixed outer frame, an internal threaded tube is provided inside the top plate of the wiring fixed outer frame, and the inside of the internal threaded tube is connected to the outside of the screw rod by threads.

[0006] Preferably, the bottoms of both left and right ends of the movable pressing block are provided with bulges, and concave columns are provided inside the bulges, and the concave columns correspond to the positive terminal of the DC power supply high-voltage wiring harness and the positive terminal of the electric drive assembly high-voltage wiring harness.

[0007] Preferably, the number of the protrusions is plural, the holes and grooves spaced between the protrusions have the same three-dimensional shape as the partition plate, and the cross-sectional area of ​​the holes and grooves spaced between the protrusions is larger than the cross-sectional area of ​​the partition plate.

[0008] Preferably, a limiting plate is provided at the top of the front end of the movable pressing block, and both sides of the limiting plate are slidably connected to the side walls of the limiting groove at the front end of the top of the wiring fixed outer frame.

[0009] Preferably, the left and right ends of the bottom of the wiring fixing outer frame are provided with external fixing ears, and threaded holes are provided inside the external fixing ears.

[0010] Preferably, the entire device casing is wrapped with insulating heat-resistant material.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) Compared with the original method of connecting by bolts, the present device effectively avoids the situation where the insulation treatment is not in place and eliminates leakage at the connection.

[0012] (2) The self-tightening of the screw rod avoids the electric sparks and electrical corrosion of the contact points caused by the traditional manual screw finding, screw matching, and insufficient torque tightening, thereby improving work efficiency.

[0013] (3) The terminal can standardize and fix the high-voltage wiring harness in the appropriate position, preventing the high-voltage wiring harness from being randomly placed and effectively avoiding hidden risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the wiring fixing outer frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the movable pressing block connection of the utility model;

[0018] Figure 4 It is a schematic diagram of a three-dimensional perspective structure of a movable pressing block connection of the utility model.

[0019] Explanation of the reference numerals in the figure: wiring fixing outer frame 11, partition plate 12, DC power supply high-voltage wiring harness positive terminal 13, electric drive assembly high-voltage wiring harness positive terminal 14, internal threaded tube 15, external fixing ear 16, limiting groove 17, rotation adjustment block 21, screw rod 22, movable pressure block 23, protrusion 24, concave column 25, limiting plate 26. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4The utility model provides an embodiment: a high-voltage wiring harness wiring device for an electric drive assembly for a laboratory, including a rotating adjustment block 21 with a rectangular structure, which can be rotated by an adjustable wrench, the bottom of the rotating adjustment block 21 is welded to the top of the screw rod 22, the rotation of the rotating adjustment block 21 can drive the screw rod 22 to rotate, the bottom of the screw rod 22 is connected to the inside of the movable pressure block 23 by a thread, the screw rod 22 drives the movable pressure block 23 to rise and fall by forward and reverse rotation, and the two sides of the movable pressure block 23 are connected to the inner side of the chamber of the wiring fixed outer frame 11 The movable pressing block 23 can be lifted and lowered along the chamber of the wiring fixed outer frame 11. A partition plate 12 is provided on the inner side of the middle end of the bottom plate of the wiring fixed outer frame 11. The partition plate 12 separates the wiring fixed outer frame 11. Each compartment corresponds to the protrusion 24. The left side of the partition plate 12 is provided with a positive terminal 14 of the high-voltage wiring harness of the electric drive assembly. The positive terminal 14 of the high-voltage wiring harness of the electric drive assembly is connected to the copper nose crimped with the positive terminal head of the high-voltage wiring harness of the external electric drive assembly. The bottom of the positive terminal 14 of the high-voltage wiring harness of the electric drive assembly is fixed. At the top of the left end of the bottom plate of the wiring fixed outer frame 11, a DC power supply high-voltage wire harness positive terminal 13 is arranged on the right side of the partition plate 12. The bottom of the DC power supply high-voltage wire harness positive terminal 13 is fixed to the top of the right end of the bottom plate of the wiring fixed outer frame 11. The DC power supply high-voltage wire harness positive terminal 13 is connected to the copper nose crimped with the external DC power supply high-voltage wire harness positive terminal head. An internal threaded tube 15 is arranged inside the top plate of the wiring fixed outer frame 11. The screw rod 22 can rotate along the internal threaded tube 15. The inside of the internal threaded tube 15 is connected to the outside of the screw rod 22. The sides are connected by threads, and the bottoms of the left and right ends of the movable pressing block 23 are both provided with protrusions 24, and the inside of the protrusions 24 is provided with concave columns 25, and the concave columns 25 correspond to the positive terminal 13 of the DC power supply high-voltage wiring harness and the positive terminal 14 of the electric drive assembly high-voltage wiring harness. When the protrusion 24 descends, the concave columns 25 will cover the positive terminal 13 of the DC power supply high-voltage wiring harness and the positive terminal 14 of the electric drive assembly high-voltage wiring harness. At the same time, the gap between the protrusion 24 and the bottom plate of the wiring fixed outer frame 11 is sealed with high-temperature mud after the compression connection is completed.

[0023] The number of the protrusions 24 is plural, the holes and grooves spaced between the protrusions 24 have the same three-dimensional shape as the partition plate 12, and the cross-sectional area of ​​the holes and grooves spaced between the protrusions 24 is larger than the cross-sectional area of ​​the partition plate 12. The holes and grooves spaced between the protrusions 24 are covered by the partition plate 12 when the movable pressing block 23 descends.

[0024] A limit plate 26 is provided at the top of the front end of the movable pressing block 23, and both sides of the limit plate 26 are slidably connected to the side walls of the limit groove 17 at the top front end of the wiring fixed outer frame 11, so as to limit the lifting and lowering trajectory of the movable pressing block 23. At the same time, after the movable pressing block 23 descends, the opening space on the front side of the wiring fixed outer frame 11 is blocked to improve the sealing performance of the wiring fixed outer frame 11.

[0025] External fixing ears 16 are installed at the left and right ends of the bottom of the wiring fixing outer frame 11, and threaded holes are installed inside the external fixing ears 16 to facilitate the wiring fixing outer frame 11 to be fixed in position through the external fixing ears 16. The entire device shell is wrapped with insulating and heat-resistant material to effectively avoid the situation where the insulation treatment is not in place.

[0026] When in use, first connect the copper nose crimped on the positive terminal of the external electric drive assembly high-voltage wiring harness to the positive terminal 14 of the electric drive assembly high-voltage wiring harness, and connect the copper nose crimped on the positive terminal of the external DC power supply high-voltage wiring harness to the positive terminal 13 of the DC power supply high-voltage wiring harness. Use an adjustable wrench to drive the rotating adjustment block 21 to rotate clockwise, and the screw rod 22 rotates clockwise to drive the movable pressing block 23 to descend. When the movable pressing block 23 descends, the concave column 25 will cover the positive terminal 13 of the DC power supply high-voltage wiring harness and the positive terminal 14 of the electric drive assembly high-voltage wiring harness. At the same time, the gap between the protrusion 24 and the bottom plate of the wiring fixed outer frame 11 is sealed with high-temperature mud after the compression connection is completed, which effectively avoids the situation where the insulation treatment is not in place and prevents leakage at the connection.

[0027] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A high-voltage wiring harness wiring device for an electric drive assembly for a laboratory, characterized in that: The invention comprises a rotating adjustment block (21), the bottom of the rotating adjustment block (21) is welded to the top of the screw rod (22), the bottom of the screw rod (22) is connected to the inside of the movable pressing block (23) by threads, the two sides of the movable pressing block (23) are slidably connected to the inner wall of the chamber of the wiring fixed outer frame (11), a partition plate (12) is provided on the inner side of the middle end of the bottom plate of the wiring fixed outer frame (11), and the left side of the partition plate (12) is provided with a positive terminal (14) of the high-voltage wiring harness of the electric drive assembly, and the electric The bottom of the positive terminal (14) of the high-voltage wiring harness of the drive assembly is fixed to the top of the left end of the bottom plate of the wiring fixed outer frame (11), and the positive terminal (13) of the high-voltage wiring harness of the DC power supply is arranged on the right side of the partition plate (12). The bottom of the positive terminal (13) of the high-voltage wiring harness of the DC power supply is fixed to the top of the right end of the bottom plate of the wiring fixed outer frame (11), and an internal threaded tube (15) is arranged inside the top plate of the wiring fixed outer frame (11), and the inside of the internal threaded tube (15) is connected to the outside of the screw rod (22) by threads.

2. The high-voltage wiring harness wiring device for an electric drive assembly for a laboratory according to claim 1, characterized in that: The bottoms of both left and right ends of the movable pressing block (23) are provided with protrusions (24), and the protrusions (24) are provided with concave columns (25) inside, and the concave columns (25) correspond to the positive electrode terminals (13) of the DC power supply high-voltage wiring harness and the positive electrode terminals (14) of the electric drive assembly high-voltage wiring harness.

3. The high-voltage wiring harness wiring device for an electric drive assembly for a laboratory according to claim 2, characterized in that: The number of the protrusions (24) is plural, the holes and grooves spaced between the protrusions (24) have the same three-dimensional shape as the partition plate (12), and the cross-sectional area of ​​the holes and grooves spaced between the protrusions (24) is greater than the cross-sectional area of ​​the partition plate (12).

4. The high-voltage wiring harness wiring device for an electric drive assembly for a laboratory according to claim 2, characterized in that: A limiting plate (26) is provided at the top of the front end of the movable pressing block (23), and two sides of the limiting plate (26) are slidably connected to the side walls of the limiting groove (17) at the top of the wiring fixing outer frame (11).

5. The high-voltage wiring harness wiring device for an electric drive assembly for a laboratory according to claim 4, characterized in that: The left and right ends of the bottom of the wiring fixing outer frame (11) are provided with external fixing ears (16), and threaded holes are provided inside the external fixing ears (16).

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