CN214227717U

CN214227717U - A restraint device and vehicle for driving motor three-phase line of vehicle

Info

Publication number: CN214227717U
Application number: CN202120378928.9U
Authority: CN
Inventors: 庹晓丰; 曹旭; 尚乐
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-09-17
Anticipated expiration: 2031-02-19

Abstract

The utility model relates to a restraint device and vehicle that is used for driving motor three-phase line of vehicle, the vehicle include the automobile body, install in the driving motor and the machine controller of automobile body, both ends connect respectively in driving motor with the three-phase line of machine controller, restraint device includes elastic telescoping mechanism, the three-phase line passes through elastic telescoping mechanism movably connect in the automobile body. Through above-mentioned technical scheme, this a restraint device for driving motor three-phase line of vehicle that this disclosure provided can absorb the vibration impact of three-phase line, reduces mechanical stress, improves the life of three-phase line.

Description

A restraint device and vehicle for driving motor three-phase line of vehicle

Technical Field

The disclosure relates to the technical field of vehicles, in particular to a restraint device for three-phase lines of a driving motor of a vehicle and the vehicle.

Background

The arrangement and installation of the three-phase lines of the driving motor are generally that the connecting ends of the three-phase lines and the driving motor can move along with the driving motor, but other installation points of the three-phase lines are fixed on the vehicle body and cannot generate proper relative movement along with the working condition of the whole vehicle.

The existing installation mode of the three-phase line of the driving motor can lead to the fact that the moving part of the three-phase line is short, and the three-phase line not only bears the thermal stress generated by high voltage and heavy current, but also bears the mechanical stress generated along with the working condition of the whole vehicle (the three-phase line is thick and short, and the mechanical stress is large). The vibration of the driving motor can continuously drag the three-phase line, thereby influencing the reliability of the three-phase line, shortening the service life of the three-phase line and being difficult to arrange.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present disclosure is to provide a restraining device for three-phase lines of a driving motor of a vehicle, which can absorb vibration impact of the three-phase lines, reduce mechanical stress, and improve the service life of the three-phase lines.

A second object of the present disclosure is to provide a vehicle with less mechanical stress on the three-phase lines of the drive motor and a long service life of the three-phase lines.

In order to achieve the above object, the present disclosure provides a restraint device for a driving motor three-phase line of a vehicle, the vehicle includes a vehicle body, a driving motor and a motor controller installed in the vehicle body, and two ends of the driving motor and the motor controller are respectively connected to the driving motor and the three-phase line of the motor controller, the restraint device includes an elastic telescopic mechanism, and the three-phase line is movably connected to the vehicle body through the elastic telescopic mechanism.

Optionally, the restraint device still includes the floating mount pad, the three-phase line has at least partial pencil to link firmly in its self middle part in the floating mount pad, the floating mount pad connect in elastic telescoping mechanism's one end, elastic telescoping mechanism's the other end be used for with the body coupling.

Optionally, the floating installation seat comprises a first fixed frame and a first fixed block, the first fixed block is connected to the first fixed frame through a first fastener, and the first fixed block is provided with a first wire clamping groove for penetrating the three-phase wire.

Optionally, the first fixing frame includes a first frame and a second frame, one end of the first frame is inserted into a first mounting hole configured at one end of the second frame to be rotatably connected to the second frame, and the other end of the first frame is detachably connected to the other end of the second frame.

Optionally, the elastic telescopic mechanism is a coil spring.

Optionally, the floating mount is provided with a connection plate configured with a connection hole through which one end of the coil spring passes.

Optionally, the restraint device further comprises a fixed mounting seat, and a part of the wiring harness of the three-phase line close to the motor controller is fixedly connected to the vehicle body through the fixed mounting seat, and/or a part of the wiring harness of the three-phase line close to the driving motor is fixedly connected to the driving motor through the fixed mounting seat.

Optionally, the fixed mounting base includes second fixed frame and second fixed block, the second fixed block pass through the second fastener connect in the second fixed frame, wherein, the second fixed block is provided with and is used for wearing to establish the second card wire casing of three-phase line.

Optionally, the second fixing frame includes a third frame and a fourth frame, one end of the third frame is inserted into a second mounting hole configured at one end of the fourth frame to be rotatably connected to the fourth frame, and the other end of the third frame is detachably connected to the other end of the fourth frame.

In order to achieve the second object, the present disclosure provides a vehicle including the above-described restraint device for a three-phase line of a drive motor of the vehicle.

Through above-mentioned technical scheme, promptly, this a restraint device for driving motor three-phase line of vehicle that disclosure provided, the three-phase line passes through elastic telescoping mechanism and movably connects in the automobile body to allow the three-phase line to produce relative movement for the automobile body, make elastic telescoping mechanism can absorb the vehicle and reduce mechanical stress to the vibrational impact of three-phase line at the vibration in-process, can improve the life of three-phase line.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a perspective view of a restraint device for a three-phase line of a drive motor of a vehicle proposed in an exemplary embodiment of the present disclosure;

fig. 2 is an exploded view of a restraint device for a three-phase line of a drive motor of a vehicle proposed in an exemplary embodiment of the present disclosure;

fig. 3 is a perspective view of a floating mount of a restraint device for a three-phase line of a drive motor of a vehicle proposed in an exemplary embodiment of the present disclosure;

fig. 4 is a perspective view of a fixed mount of a restraining device for three-phase lines of a drive motor of a vehicle, according to an exemplary embodiment of the present disclosure.

Description of the reference numerals

1-three phase line; 2-an elastic telescopic mechanism; 3-a floating mounting seat; 31-a first fixed frame; 311-a first frame; 312 — a second frame; 313 — a first mounting hole; 314-a first limit stop; 315-first bolt; 32-a first fixed block; 321-a first upper fixing block; 322-a first lower fixed block; 323-a first upper arc-shaped groove; 324-a first lower arc groove; 33-a first fastener; 34-a first wire clamping groove; 35-a connecting plate; 351-connecting hole; 4-fixing the mounting seat; 41-a second fixed frame; 411-a third frame; 412-a fourth frame; 413-a second mounting hole; 414-a second limit stop; 415-a second bolt; 416-a fixed plate; 417-third bolt; 42-a second fixed block; 421-a second upper fixed block; 422-a second lower fixed block; 423-a second upper arc-shaped groove; 424-a second lower arc groove; 43-a second fastener; 44-a second wire clamping groove; 5-U-shaped piece.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" refers to the inner and outer of the associated component profile, unless stated to the contrary. "first, second, etc. means that there is no ordering or importance in order to distinguish one element from another.

The present disclosure will be further described with reference to the accompanying drawings and detailed description.

According to a first aspect of the present disclosure, a restraint device for a three-phase line of a drive motor of a vehicle is provided. Referring to fig. 1-4, the vehicle includes a vehicle body, a driving motor and a motor controller mounted on the vehicle body, and a three-phase line 1 having two ends respectively connected to the driving motor and the motor controller, the restraining device includes an elastic telescopic mechanism 2, and the three-phase line 1 is movably connected to the vehicle body through the elastic telescopic mechanism 2.

Through above-mentioned technical scheme, this a restraint device for driving motor three-phase line of vehicle that openly provides promptly, three-phase line 1 is connected in the automobile body through elasticity telescopic machanism 2 activity to allow three-phase line 1 for the automobile body produces relative movement, makes elasticity telescopic machanism 2 can absorb the vehicle and to the vibration impact of three-phase line in the vibration process, reduces mechanical stress, can improve the life of three-phase line.

The three wire harnesses of the three-phase line are restrained while the vibration impact on the three-phase line is absorbed, so that the scattering phenomenon caused by the respective vibration of the three wire harnesses is avoided. Therefore, in some embodiments, referring to fig. 1 and 2, the restraining device further comprises a floating mount 3, at least part of the wiring harness of the three-phase line 1 is fixedly connected to the floating mount 3 at the middle part of the three-phase line, the floating mount 3 is connected to one end of the elastic telescopic mechanism 2, and the other end of the elastic telescopic mechanism 2 is used for being connected with the vehicle body. Like this, fix three pencil of three-phase line 1 together through floating mount pad 3, when avoiding three-phase line 1 to be in disorder, can absorb the vibration impact through elastic telescoping mechanism 2 simultaneously.

In some specific embodiments, the number of the floating mount 3 may be provided in plurality according to the length of the three-phase line 1, and the floating mount may be uniformly arranged at intervals in the middle portion of the three-phase line 1. Correspondingly, the number of the elastic telescopic mechanisms 2 is set to be a plurality and corresponds to the floating installation seats 3 one by one. The mounting position of the three-phase line 1 can be better arranged and the rest of the three-phase line 1 can be prevented from falling under the action of self gravity while the vibration impact on the three-phase line 1 is fully absorbed.

The structure of the floating mount 3 may be constructed in any suitable manner, the purpose of which is to secure together the three wire harnesses of the three phase wires 1. For example, in some embodiments, as shown in fig. 2 and 3, the floating mount 3 includes a first fixing frame 31 and a first fixing block 32, and the first fixing block 32 is connected to the first fixing frame 31 by a first fastener 33, wherein the first fixing block 32 is provided with a first wire-clamping groove 34 for passing through the three-phase wire 1. The number of the first wire clamping grooves 34 is at least 3 so as to penetrate through three wire harnesses of the three-phase line 1. The first fastening member 33 may be screw or bolt to screw the first fixing block 32 into the first fixing frame 31.

In order to improve the assembly and disassembly efficiency of the floating mount 3, in some embodiments, referring to fig. 3, the first fixing block 32 may include a first upper fixing block 321 and a first lower fixing block 322, the first upper fixing block 321 is provided with a plurality of first upper arc-shaped grooves 323 at intervals, the first lower fixing block 322 is provided with a plurality of first lower arc-shaped grooves 324 at intervals, the first upper arc-shaped grooves 323 correspond to the first lower arc-shaped grooves 324 one to one, and the first upper arc-shaped grooves 323 and the corresponding first lower arc-shaped grooves 324 are butted to form the first wire clamping groove 34. Thus, the three-phase line 1 is fixed by the first upper fixing block 321 and the first lower fixing block 322 and then fixedly connected to the first fixing frame 31 by the first fastener 33, so that the purpose of quick assembly and disassembly can be achieved.

In order to prevent the three-phase line 1 from sliding relatively to the first wire clamping groove 34 in the vibration process and reduce the vibration absorption effect, in some embodiments, anti-slip patterns may be disposed on the inner wall of the first wire clamping groove 34 to increase the friction force between the first wire clamping groove 34 and the three-phase line 1 and prevent the relative sliding. In other embodiments, the inner diameter of the first wire-clamping groove 34 may be set slightly smaller than the diameter of the three-phase wire 1, so as to achieve the purpose of interference fit.

In order to further improve the efficiency of the assembly and disassembly of the floating mount 3, in some embodiments, as shown in fig. 3, the first fixing frame 31 includes a first frame 311 and a second frame 312, one end of the first frame 311 is inserted into a first mounting hole 313 configured at one end of the second frame 312 to be rotatably coupled to the second frame 312, and the other end of the first frame 311 is detachably coupled to the other end of the second frame 312. Wherein, the detachable connection mode can adopt a bolt connection mode, and is convenient to disassemble and assemble. When mounting the floating mount 3, first, one end of the first frame 311 is inserted into the first mounting hole 313, and the first frame 311 is rotated so that the other end of the first frame 311 is butted against the other end of the second frame 312 and fixed by the first bolt 315. The first frame 311 and the second frame 312 may be both L-shaped frames, so that the first frame 311 and the second frame 312 are installed to form a rectangular first fixing frame 31, so that the first fixing block 32 is placed in the first fixing frame 31 and is fixedly connected by the first fastener 33.

In some specific embodiments, in order to prevent the first frame 311 and the second frame 312 from being connected loosely, referring to fig. 3, one end of the first frame 311 inserted into the first mounting hole 313 is bent outward to form a first limit baffle 314, and when the other ends of the first frame 311 and the second frame 312 are butted, the first limit baffle 314 stops at the second frame 312, wherein the first limit baffle 314 is connected with the first frame 311 in an arc-shaped filtering manner.

The elastic telescopic mechanism 2 may be constructed in any suitable manner, with the purpose of absorbing the shock of vibration to the three-phase line by means of the elastic telescopic mechanism 2 when the vehicle vibrates. For example, in some embodiments, the elastic telescoping mechanism 2 may be a spring telescoping rod; alternatively, in order to better absorb the vibration impact on the three-phase line 1 in all directions, in other embodiments, referring to fig. 2, the elastic telescopic mechanism 2 may be a coil spring. Therefore, when the three-phase line 1 is subjected to vibration impact in any direction, the spiral spring can achieve the vibration absorption effect, so that the mechanical stress is reduced, and the service life of the three-phase line 1 is prolonged.

In some embodiments, as shown with reference to fig. 3, the floating mount 3 may be provided with a connection plate 35, the connection plate 35 being configured with a connection hole 351 through which one end of the coil spring passes. When installing floating mount 3 in coil spring, can directly pass connecting hole 351 with coil spring's bottom, it is quick convenient to install. Wherein the connection plate 35 may be disposed on the first frame 311 or the second frame 312.

The top end of the coil spring may be attached to the vehicle body in any suitable manner. For example, in some embodiments, the top end of the coil spring may be welded directly to the vehicle body; alternatively, in some embodiments, the top end of the coil spring may be connected to the vehicle body by a fastener for easy attachment and detachment. Referring to fig. 2, a U-shaped member 5 may be provided on the vehicle body, and the two forks on the opening side of the U-shaped member 5 may be fixed to the vehicle body by welding. Thus, the coil spring can be attached to the vehicle body by passing the tip end of the coil spring through the inside of the U-shaped member 5.

The OT terminal at one end of the three-phase line 1 is connected with the motor controller by means of bolt connection, and when the vehicle vibrates, the bolt for fixing the OT terminal may loosen due to shaking of the three-phase line 1, and the risk of poor contact is easily caused. Therefore, in some embodiments, the restraint device further comprises a fixed mounting seat 4, and the part of the wiring harness of the three-phase line 1 close to the motor controller is fixedly connected to the vehicle body through the fixed mounting seat 4. In this way, loosening of the bolt fixing the OT terminal due to shaking of the three-phase line 1 can be avoided.

In the same way, the OT terminal at the other end of the three-phase line 1 is connected with the driving motor in a bolt connection mode, and when the vehicle vibrates, the bolt for fixing the OT terminal may loosen due to the shaking of the driving motor or the three-phase line 1, and the risk of poor contact is easily caused. Therefore, in some embodiments, a portion of the wiring harness of the three-phase line 1 near the driving motor is fixedly connected to the driving motor by the fixed mounting 4. In this way, loosening of the bolts fixing the OT terminal due to shaking of the driving motor or the three-phase line 1 can be avoided.

The structure of the stationary mounting 4 can be constructed in any suitable manner, with the purpose of fixing the three-phase line 1 to the vehicle body and/or to the drive motor. For example, in some embodiments, as shown in fig. 1, 2 and 4, the fixed mount 4 includes a second fixed frame 41 and a second fixed block 42, the second fixed block 42 is connected to the second fixed frame 41 by a second fastener 43, wherein the second fixed block 42 is provided with a second wire-clamping groove 44 for passing through the three-phase wire 1. The number of the second wire clamping grooves 44 is at least 3 so as to penetrate through three wire harnesses of the three-phase line 1. The second fastening member 43 may be screw or bolt to screw the second fixing block 42 into the second fixing frame 41.

In order to improve the assembly and disassembly efficiency of the fixed mounting seat 4, in some embodiments, referring to fig. 4, the second fixing block 42 may include a second upper fixing block 421 and a second lower fixing block 422, the second upper fixing block 421 is provided with a plurality of second upper arc-shaped grooves 423 at intervals, the second lower fixing block 422 is provided with a plurality of second lower arc-shaped grooves 424 at intervals, the second upper arc-shaped grooves 423 correspond to the second lower arc-shaped grooves 424 one to one, and the second upper arc-shaped grooves 423 are in butt joint with the corresponding second lower arc-shaped grooves 424 to form the second wire clamping groove 44. Therefore, the three-phase line 1 is fixed by the second upper fixing block 421 and the second lower fixing block 422 and then fixedly connected to the second fixing frame 41 by the second fastening piece 43, so that the purpose of quick assembly and disassembly can be achieved.

In order to prevent the three-phase line 1 from sliding relatively to the second wire-clamping groove 44 during the vibration process, and reduce the vibration absorption effect, in some embodiments, anti-slip patterns may be disposed on the inner wall of the second wire-clamping groove 44 to increase the friction force between the second wire-clamping groove 44 and the three-phase line 1, and prevent the relative sliding. In other embodiments, the inner diameter of the second wire-clamping groove 44 can be set slightly smaller than the diameter of the three-phase wire 1, so as to achieve the purpose of interference fit.

In order to further improve the efficiency of the assembly and disassembly of the fixed mount 4, in some embodiments, as shown in fig. 4, the second fixed frame 41 includes a third frame 411 and a fourth frame 412, one end of the third frame 411 is inserted into a second mounting hole 413 configured at one end of the fourth frame 412 to be rotatably connected to the fourth frame 412, and the other end of the third frame 411 is detachably connected to the other end of the fourth frame 412. Wherein, the detachable connection mode can adopt a bolt connection mode, and is convenient to disassemble and assemble. When the fixed mount 4 is mounted, first, one end of the third frame 411 is inserted into the second mounting hole 413, the third frame 411 is rotated so that the other end of the third frame 411 abuts against the other end of the fourth frame 412, and the third frame is fixed by the second bolt 415. Both the third frame 411 and the fourth frame 412 may be L-shaped frames, so that the third frame 411 and the fourth frame 412 form a rectangular second fixing frame 41 after being installed, so that the second fixing block 42 is placed in the second fixing frame 41 and is fixedly connected by the second fastener 43.

In some embodiments, in order to prevent the third frame 411 and the fourth frame 412 from being connected loosely, referring to fig. 4, one end of the third frame 411 inserted into the second mounting hole 413 is bent outward to form a second limit baffle 414, and when the other ends of the third frame 411 and the fourth frame 412 are butted, the second limit baffle 414 is stopped by the fourth frame 412, wherein the second limit baffle 414 is connected to the third frame 411 in an arc-shaped filtering manner.

In some embodiments, referring to fig. 4, when the fixed mount 4 is mounted to the vehicle body and/or the driving motor, the fixed mount 4 may be mounted to the vehicle body and/or the driving motor by directly screwing a second bolt 415 connecting the third frame 411 and the fourth frame 412 to the vehicle body or the driving motor. In other embodiments, for more stable mounting of the fixed mount 4, as shown in fig. 4, the second fixing frame 41 may be provided with a fixing plate 416, the fixing plate 416 is configured with a mounting hole, and the fixing plate 416 is threadedly coupled with the vehicle body and/or the driving motor through the mounting hole by a third bolt 417.

According to a second aspect of the present disclosure, a vehicle is provided, which includes the above-described restraint device for the three-phase line of the drive motor of the vehicle.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides a restraint device for driving motor three-phase line of vehicle, the vehicle include the automobile body, install in driving motor and the machine controller of automobile body, both ends connect respectively in driving motor with machine controller's three-phase line (1), its characterized in that, restraint device includes elastic telescoping mechanism (2), three-phase line (1) pass through elastic telescoping mechanism (2) movably connect in the automobile body.

2. The device for restraining the three-phase line of a drive motor of a vehicle according to claim 1, further comprising a floating mount (3), wherein at least part of the wiring harness of the three-phase line (1) is fixed to the floating mount (3) at a middle portion of the three-phase line, the floating mount (3) is connected to one end of the elastic telescopic mechanism (2), and the other end of the elastic telescopic mechanism (2) is used for being connected to the vehicle body.

3. The device for restraining the three phase wires of a drive motor of a vehicle according to claim 2, characterized in that said floating mount (3) comprises a first fixed frame (31) and a first fixed block (32), said first fixed block (32) being connected in said first fixed frame (31) by means of a first fastener (33), wherein said first fixed block (32) is provided with a first snap groove (34) for passing through said three phase wires (1).

4. The restraining device for three-phase lines of a driving motor of a vehicle according to claim 3, wherein the first fixing frame (31) includes a first frame (311) and a second frame (312), one end of the first frame (311) is inserted into a first mounting hole (313) configured at one end of the second frame (312) to be rotatably connected to the second frame (312), and the other end of the first frame (311) is detachably connected to the other end of the second frame (312).

5. The device for restraining three phase lines of a drive motor for vehicles according to any one of claims 2 to 4, wherein said elastic telescopic means (2) is a helical spring.

6. The restraining device for a three-phase line of a driving motor of a vehicle according to claim 5, wherein the floating mount (3) is provided with a connection plate (35), the connection plate (35) being configured with a connection hole (351) through which one end of the coil spring passes.

7. The restraining device of a three-phase line of a drive motor for a vehicle according to claim 1, characterized in that it further comprises a fixed mounting (4), by means of which the part of the wiring harness of the three-phase line (1) close to the motor controller is fixedly connected to the body of the vehicle, and/or,

and part of the wiring harness of the three-phase line (1) close to the driving motor is fixedly connected with the driving motor through the fixed mounting seat (4).

8. The device for restraining the three phase wires of a drive motor of a vehicle according to claim 7, characterized in that said fixed mounting (4) comprises a second fixed frame (41) and a second fixed block (42), said second fixed block (42) being connected in said second fixed frame (41) by means of a second fastener (43), wherein said second fixed block (42) is provided with a second snap groove (44) for passing through said three phase wires (1).

9. The restraining device for three-phase lines of a driving motor of a vehicle according to claim 8, wherein the second fixing frame (41) includes a third frame (411) and a fourth frame (412), one end of the third frame (411) is inserted into a second mounting hole (413) configured at one end of the fourth frame (412) to be rotatably connected to the fourth frame (412), and the other end of the third frame (411) is detachably connected to the other end of the fourth frame (412).

10. A vehicle, characterized in that it comprises a restraining device for the three-phase line of a drive motor of a vehicle according to any one of claims 1 to 9.