CN-121989837-A - High-voltage harness arranging and fixing structure of new energy automobile electric drive system

Abstract

The invention provides a high-voltage harness arranging and fixing structure of a new energy automobile electric drive system, which comprises the following components: the wire harness arranging frame assembly comprises an arranging seat, a penetrating groove, a slow release seat and a slow release damper I, and compared with the prior art, the wire harness arranging frame assembly has the following beneficial effects: through setting up pencil arrangement frame subassembly and mount subassembly, the high-voltage wire harness of new energy automobile electric drive system wears to draw in the arrangement fixed independent branch position, make four groups pencil holders of pencil outside parcel, and can adapt to the external diameter tolerance difference of different cables because of independent structure setting, realize vibration slow-release through multiunit bumper shock absorber structure in addition, thereby can realize the arrangement fixed use of pencil, through setting up pencil arrangement frame subassembly, mount subassembly and dismouting subassembly, the mount subassembly sets up for independent structure, and realize fixedly through the dismouting subassembly after preliminary location, thereby can realize convenient dismouting use.

Inventors

• XIA BAIZHAN
• YANG LIANG
• SHI SHIGUANG
• LUO HAO

Assignees

• 电子科技大学中山学院

Dates

Publication Date

20260508

Application Date

20260327

Claims (6)

1. 1. The high-voltage wire harness arranging and fixing structure of the new energy automobile electric drive system comprises a wire harness arranging frame assembly (100), a fixing frame assembly (200) and a disassembling assembly (300), and is characterized in that the wire harness arranging frame assembly (100) comprises an arranging seat (101), a penetrating groove (102), a slow release groove (103), a slow release seat (105) and a slow release damper I (108); The novel slow release device is characterized in that a through groove (102) is formed by vertically penetrating through the rear side surface of the arrangement seat (101), three groups of slow release grooves (103) which are distributed in a circumference equally-divided mode are formed in the inner side surface of the through groove (102), two groups of slow release shock absorbers I (108) are arranged on the inner side of the slow release groove (103), a slow release seat (105) is fixedly connected between the slow release shock absorbers I (108), a fixing frame assembly (200) is installed at the axis of the through groove (102), and a disassembly assembly (300) is installed on the front side of the fixing frame assembly (200).
2. 2. The high-voltage harness arranging and fixing structure of the new energy automobile electric drive system according to claim 1 is characterized in that two groups of first slow release shock absorbers (108) are arranged at two tail ends of the inner side of a slow release groove (103) in a symmetrical structure, and a slow release chute (104) is formed in one side of the slow release groove (103) far away from the center of the arranging seat (101); The novel slow release device is characterized in that a slow release sliding block (106) is movably embedded into the inner side of the slow release sliding groove (104), the slow release sliding block (106) is fixedly connected with a slow release seat (105) and can slide along the slow release sliding groove (104), a hinge cavity (107) is formed in one end, close to the center of the arrangement seat (101), of the slow release seat (105), a hinge ball (109) is arranged in a hinge structure on the inner side of the hinge cavity (107), and an installation seat (111) is fixedly connected to one end, close to the center of the arrangement seat (101), of the hinge ball (109); the novel slow release device is characterized in that a disassembly and assembly sliding groove (112) is formed in the front side surface of the mounting seat (111), a slow release damper II (113) is fixedly connected to the rear end of the disassembly and assembly sliding groove (112), a positioning plate (114) is fixedly connected to the front side of the slow release damper II (113), a slow release limiting ring (110) is arranged on the outer side of the mounting seat (111), the slow release limiting ring (110) is made of rubber materials and is fixedly connected with the arrangement seat (101), and the slow release seat (105) and the slow release groove (103) are movably embedded with each other.
3. 3. The high-voltage wire harness arranging and fixing structure of the new energy automobile electric drive system according to claim 2, wherein the fixing frame assembly (200) comprises a fixing ring frame (201), the axis of the fixing ring frame (201) is arranged in a collinear manner with the axis of the through groove (102) at the initial position after installation, the front side and the rear side of the fixing ring frame (201) are fixedly connected with a central supporting seat (205), and the outer side of the fixing ring frame (201) is fixedly connected with three groups of connecting seats (202); One end of the connecting seat (202) far away from the center of the fixed ring frame (201) is fixedly connected with a disassembly and assembly sliding block (203), positioning grooves (204) are formed in the front side surface and the rear side surface of the disassembly and assembly sliding block (203), the disassembly and assembly sliding block (203) and the disassembly and assembly sliding groove (112) are movably embedded with each other, and the positioning plate (114) and the positioning groove (204) are embedded with each other; Five groups of arc-shaped seats (206) which are distributed in equal circumference are fixedly connected to one side, far away from the center of the fixed ring frame (201), of the connecting seat (202), four groups of grooves (207) which are arranged in four corners are formed in the side face, far away from one end of the center of the fixed ring frame (201), of the arc-shaped seats (206), and three slow-release shock absorbers (209) are fixedly connected to the inner side of the grooves (207); Two clamping guide grooves (208) which are symmetrically arranged are formed in the inner side face of the groove (207), the other end of the slow release damper III (209) is fixedly connected with a clamping connecting seat (210), one side, close to the groove (207), of the clamping connecting seat (210) is fixedly connected with two clamping guide blocks (220), and the clamping guide blocks (220) are movably embedded with the clamping guide grooves (208).
4. 4. The high-voltage wire harness arranging and fixing structure of the new energy automobile electric drive system according to claim 3, wherein a wire harness clamping seat (221) is fixedly connected to one end, far away from the center of the fixed ring frame (201), of each of the front and rear clamping connecting seats (210), the wire harness clamping seat (221) is arranged in an arc-shaped structure, and a low friction coefficient layer (211) is fixedly connected to one side, far away from the center of the fixed ring frame (201); Ball grooves (212) are formed in the inner sides of the front end and the rear end of the wire harness clamping seat (221), and a plurality of groups of rolling balls (213) are movably embedded in the inner sides of the ball grooves (212) and used for reducing friction on the wire harness at the tail end; One side of each of the five groups of arc-shaped seats (206) is fixedly connected with two symmetrically arranged rotating seats (214), a rotary torsion spring (215) is arranged between the two groups of rotating seats (214), a rotating block (216) is further arranged between the two groups of rotating seats (214) in a rotating structure, and the rotary torsion spring (215) is further connected with the rotating block (216) and is used for driving the rotating block to rotate; The rotating block (216) is far away from one end of the rotating seat (214) and fixedly connected with a pressing arc-shaped seat (217), the pressing arc-shaped seat (217) and the arc-shaped seat (206) have the same structure, and four groups of wire harness clamping seats (221) are used for wrapping and clamping wire harnesses.
5. 5. The high-voltage wire harness arranging and fixing structure of the new energy automobile electric drive system of claim 4, wherein the other sides of the arc-shaped base (206) and the pressing arc-shaped base (217) are fixedly connected with locking bases (218) at the same side positions, and opposite surfaces of the locking bases (218) vertically penetrate through to form locking threaded holes; The inner side of the locking threaded hole is screwed with a locking screw rod (219), and the pressing arc-shaped seat (217) is driven by the rotary torsion spring (215) to rotate towards the arc-shaped seat (206) and enable the locking screw rod (219) to be screwed into the locking threaded hole to different depths so as to realize locking connection; the upper side of the tidying seat (101) is fixedly connected with a connecting frame (118), and the tail end of the upper side of the connecting frame (118) is fixedly connected with an external electric driving system.
6. 6. The high-voltage harness arranging and fixing structure of the new energy automobile electric drive system according to claim 2, wherein a disassembling and assembling rod (115) is fixedly connected to the right upper corner of the inner side of the penetrating groove (102), a mounting sliding groove (116) is formed in the left side surface of the disassembling and assembling rod (115), and a mounting screw (117) is arranged on the inner side of the mounting sliding groove (116) in a rotating structure; The assembly and disassembly assembly (300) comprises an installation sliding block (301), an installation screw hole (302) is formed in the rear side surface of the installation sliding block (301), the installation sliding block (301) and an installation sliding groove (116) are movably embedded with each other, an installation screw (117) is connected with the installation screw hole (302) in a threaded matching structure, and the assembly and disassembly assembly (300) further comprises an assembly and disassembly ring frame (303); The assembly and disassembly ring frame is characterized in that three groups of abutting sliding blocks (304) are fixedly connected to the rear side of the assembly and disassembly ring frame (303), abutting shock absorbers are fixedly connected to the rear side of the abutting sliding blocks (304), abutting plates (305) are fixedly connected to the rear side of the abutting shock absorbers, the abutting plates (305) are mutually embedded with positioning grooves (204) at the front end, the abutting sliding blocks (304) are movably embedded with the assembly and disassembly sliding grooves (112) mutually, the dustproof effect is realized at the joint of the installation sliding grooves (116) and the outside through an organ cover, and the abutting shock absorbers, the first slow-release shock absorbers (108), the second slow-release shock absorbers (113) and the third slow-release shock absorbers (209) are spring damping shock absorbers, and vulcanized rubber sleeves are sleeved on the outer sides.

Description

High-voltage harness arranging and fixing structure of new energy automobile electric drive system Technical Field The invention belongs to the technical field of new energy automobiles, and particularly relates to a high-voltage harness arranging and fixing structure of a new energy automobile electric drive system. Background The high-voltage electric drive system of the new energy automobile generally comprises a driving motor, an inverter and a high-voltage distribution unit, wherein energy transmission is required to be carried out through a wire harness with a large section and high voltage, and the fixed structure of the high-voltage wire harness faces serious examination because the electric drive system can generate broadband vibration (including high-frequency torque pulsation from road surface excitation and motor) in the operation of the automobile. The main stream fixing mode adopts a plastic clamping seat which is fastened up and down by adding a bolt for locking, or uses a simple ribbon for locking the wire harness, the wire harness is completely restrained in a fixing seat by the structure, and the positioning can be realized, but the defect is that the vibration of an electric drive system can be transmitted to a wire harness connector terminal through a rigid path without attenuation, the terminal fretting wear is caused for a long time, and even the contact resistance is increased and local overheating is caused. In addition, in the later-stage process of rearranging and replacing the wire harness, the problem of inconvenience in disassembly and assembly exists, such as the fact that the wire harness is directly cut off under most conditions of the ribbon structure, especially because of the locking property of the package, the wire harness can be cut off in the ribbon cutting process. In view of the foregoing, it is desirable to provide a new structure for solving the above-mentioned problems. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a high-voltage wire harness arranging and fixing structure of a new energy automobile electric drive system, and solves the problems in the background art. The high-voltage wire harness arranging and fixing structure of the new energy automobile electric drive system comprises a wire harness arranging frame assembly, a fixing frame assembly and a disassembling and assembling assembly, wherein the wire harness arranging frame assembly comprises an arranging seat, a penetrating groove, a slow release seat and a slow release damper I; The rear side of the finishing seat vertically penetrates through the finishing seat to form a penetrating groove, three groups of slow release grooves which are equally distributed on the circumference are formed in the inner side of the penetrating groove, two groups of slow release shock absorbers I are arranged on the inner side of the slow release groove, a slow release seat is fixedly connected between the slow release shock absorbers I, a fixing frame assembly is arranged at the axis of the penetrating groove, and a dismounting assembly is arranged on the front side of the fixing frame assembly. As a preferable implementation mode, two groups of slow release shock absorbers are symmetrically arranged at two tail ends of the inner side of a slow release groove, and a slow release chute is arranged at one side of the slow release groove far away from the center of the finishing seat; The inner side of the slow release sliding groove is movably embedded with a slow release sliding block, the slow release sliding block is fixedly connected with a slow release seat and can slide along the slow release sliding groove, one end of the slow release seat, which is close to the center of the arrangement seat, is provided with a hinge cavity, the inner side of the hinge cavity is provided with a hinge ball in a hinge structure, and one end of the hinge ball, which is close to the center of the arrangement seat, is fixedly connected with a mounting seat; the mounting seat is characterized in that the front side of the mounting seat is provided with a disassembly and assembly sliding groove, the rear end of the disassembly and assembly sliding groove is fixedly connected with a second slow release shock absorber, the front side of the second slow release shock absorber is fixedly connected with a positioning plate, the outer side of the mounting seat is provided with a slow release limiting ring, the slow release limiting ring is made of rubber materials and is fixedly connected with the finishing seat, and the slow release seat and the slow release groove are movably embedded with each other. The articulated ball and the articulated cavity are movably embedded in the articulated structure, the articulated structure can randomly move in 360 degrees after being transmitted, and when the vibration amplitude is too large, the slow-release limiting ring can limit the mounting seat