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CN-122008827-A - Driving motor fixing device of mechanical engineering vehicle

CN122008827ACN 122008827 ACN122008827 ACN 122008827ACN-122008827-A

Abstract

The invention discloses a driving motor fixing device of a mechanical engineering vehicle, which comprises a mounting cross beam, frame vibration isolation assemblies, motor anti-torque buffer assemblies and a driving motor shell, wherein the mounting cross beam is provided with at least two, the frame vibration isolation assemblies are provided with at least two, the two frame vibration isolation assemblies are respectively mounted on one mounting cross beam, each frame vibration isolation assembly comprises a main mounting plate, a buffer damping device and a secondary mounting plate, the main mounting plates, the buffer damping devices and the secondary mounting plates are sequentially connected in the anti-gravity direction, the motor anti-torque buffer assemblies are provided with at least two, the two motor anti-torque buffer assemblies are respectively mounted on one secondary mounting plate, the motor anti-torque buffer assemblies are provided with motor shell abutting clamping seats and form motor clamping areas, and the driving motor shell is accommodated in each motor clamping area and abuts against each motor shell abutting clamping seat.

Inventors

  • JI WUJUN
  • SHANG KUN
  • ZHANG SHANGYUE
  • WANG BIAO
  • CHEN XIAOQIANG
  • ZHAO XIN

Assignees

  • 河南职业技术学院

Dates

Publication Date
20260512
Application Date
20260303

Claims (10)

  1. 1. A driving motor fixing device of a mechanical engineering vehicle, characterized by comprising: the mounting cross beams (1), wherein the mounting cross beams (1) are provided with at least two mounting cross beams (1) which are oppositely arranged; The vehicle frame vibration isolation assembly (2) is provided with at least two vehicle frame vibration isolation assemblies (2), the two vehicle frame vibration isolation assemblies (2) are respectively arranged on one of the mounting cross beams (1), the vehicle frame vibration isolation assembly (2) comprises a main mounting plate (201), a buffering and damping device (3) and a secondary mounting plate (202), and the main mounting plate (201), the buffering and damping device (3) and the secondary mounting plate (202) are sequentially connected along the anti-gravity direction; The motor anti-torque buffer assembly (4) is provided with at least two motor anti-torque buffer assemblies (4), the two motor anti-torque buffer assemblies (4) are respectively arranged on one of the secondary mounting plates (202), the motor anti-torque buffer assembly (4) is provided with a motor shell abutting clamping seat (401), and the two motor shell abutting clamping seats (401) are oppositely arranged to form a motor clamping area; and the driving motor shell (5) is accommodated in the motor clamping area and is abutted with each motor shell abutting clamping seat (401).
  2. 2. The driving motor fixing device of the mechanical engineering vehicle according to claim 1, wherein the buffering and damping device (3) comprises a strip-shaped elastic clamping plate (6) and a damping component (7), the strip-shaped elastic clamping plate (6) is provided with a rigid mounting plate (601), a rigid buffering section (602) and an elastic buffering arc (603), the rigid mounting plate (601) is provided with two pieces, the two rigid mounting plates (601) are arranged in a mirror image mode along the thickness direction of the main mounting plate (201) to form a rigid connection clamping plate (604), two opposite sides of the rigid connection clamping plate (604) are respectively connected with the main mounting plate (201) and the secondary mounting plate (202), two horizontal opposite sides of the rigid connection clamping plate (604) are respectively connected with the rigid buffering section (602) and the elastic buffering arc (603), the rigid buffering section (602) is used for limiting the maximum distance between the main mounting plate (201) and the secondary mounting plate (202), the elastic buffering arc (603) is used for buffering the main mounting plate (201) and the secondary mounting plate (202), and the elastic buffering clamping plate (604) is arranged in the buffer space (7) and can be detached from the damping component.
  3. 3. The driving motor fixing device of the mechanical engineering vehicle according to claim 2, wherein the rigid mounting plates (601) are provided with threaded bases (203), the shock absorbing assemblies (7) comprise mounting bases (701), positioning rods (702) and elastic return elements (703), the mounting bases (701) are in threaded connection with the threaded bases (203), the mounting bases (701) are provided with at least two, the two mounting bases (701) are oppositely arranged to form a group of positioning assemblies, the mounting bases (701) are provided with avoiding grooves (704), the avoiding grooves (704) are formed by inwards sinking from the outer walls of the mounting bases (701), one end of each positioning rod (702) is in threaded connection with the bottom wall of one of the avoiding grooves (704), the other end of each positioning rod (702) is in sliding connection with the corresponding elastic return element (703), and the opposite ends of each elastic return element (703) are respectively abutted against one of the rigid mounting plates (601) so that the two mounting plates (601) have a movement trend of being away from each other.
  4. 4. The driving motor fixing device for the mechanical engineering vehicle according to claim 3, wherein a plurality of screw bases (203) are arranged, the plurality of screw bases (203) are distributed at intervals along the length direction of the rigid mounting plate (601), a plurality of groups of positioning components are arranged, the plurality of groups of positioning components are distributed at intervals along the length direction of the rigid mounting plate (601) and are arranged in a one-to-one correspondence with the screw bases (203), a plurality of positioning rods (702) are arranged, each positioning rod (702) is respectively arranged on one group of positioning components, a plurality of shock absorbing components (7) are arranged, and each shock absorbing component (7) is respectively sleeved on one positioning rod (702).
  5. 5. The driving motor fixing device of the mechanical engineering vehicle according to claim 1, wherein the motor anti-torque buffer assembly (4) comprises a mounting base (402), an anti-torque offset member (403) and a supporting base (404), the mounting base (402) is mounted on one of the secondary mounting plates (202), the mounting base (402) is provided with a limiting sleeve (405), the limiting sleeve (405) extends along the height direction of the mounting base (402), the driving end of the supporting base (404) is slidingly inserted into the limiting sleeve (405), the abutting end of the supporting base (404) abuts against the driving motor shell (5), the anti-torque offset member (403) is accommodated in the limiting sleeve (405), and two ends of the anti-torque offset member (403) abut against the bottom wall of the limiting sleeve (405) and the bottom wall of the supporting base (404) respectively, so that the supporting base (404) has a movement trend away from the mounting base (402).
  6. 6. The driving motor fixing device for a mechanical engineering vehicle according to claim 5, wherein a plurality of mounting seats (402) are provided, the mounting seats (402) are distributed at intervals along the length direction of the secondary mounting plate (202), the counter torque counteracting members (403) are provided, the counter torque counteracting members (403) are respectively accommodated in the limit sleeves (405) of one of the mounting seats (402), the abutting seats (404) are provided, and the abutting seats (404) are distributed at intervals along the length direction of the secondary mounting plate (202) and are in sliding fit with the limit sleeves (405) of one of the mounting seats (402).
  7. 7. The driving motor fixing device of the mechanical engineering vehicle according to claim 1, further comprising a bottom impact buffering assembly (8), wherein the bottom impact buffering assembly (8) is arranged at the bottom of the driving motor shell (5) and is mounted on the main mounting plate (201) so as to prevent liquid from impacting and corroding the driving motor shell (5) from the vehicle bottom.
  8. 8. The driving motor fixing device of the mechanical engineering vehicle according to claim 7, wherein the bottom impact buffer assembly (8) comprises a rigid arc baffle plate (801) and a compression-resistant wheel set (802), the arc baffle plate is provided with an arc impact resistant section (803) and mounting portions (804), the mounting portions (804) are arranged at two ends of the arc impact resistant section (803), each mounting portion (804) is in threaded connection with one main mounting plate (201), a drainage groove (805) is formed in the outer wall of the arc impact resistant section (803) in a recessed mode, the drainage groove (805) extends along the extending direction of the arc impact resistant section (803), and the compression-resistant wheel set (802) is arranged on the bottom wall of the driving motor housing (5) and faces the arc impact resistant section (803) to prevent the driving motor housing (5) from impacting the rigid arc baffle plate (801).
  9. 9. The driving motor fixing device of the mechanical engineering vehicle according to claim 8, wherein the compression-resistant wheel set (802) comprises a limit column (501), a pulley base (806), a travelling wheel (807) and an elastic compression-resistant piece (808), the limit column is arranged on the driving motor shell (5) and extends along the radial direction of the driving motor shell (5) from inside to outside, the pulley base (806) is in sliding sleeve connection with the limit column (501) and is arranged towards the rigid arc-shaped baffle plate (801), the travelling wheel (807) is pivoted with the pulley base (806), the elastic compression-resistant piece (808) is in sleeve connection with the limit column (501), and two ends of the elastic compression-resistant piece (808) are respectively abutted against the driving motor shell (5) and the pulley base (806), so that the travelling wheel (807) has a movement trend close to the arc-shaped impact-resistant section (803).
  10. 10. The driving motor fixing device of a mechanical engineering vehicle according to claim 9, wherein a plurality of mounting portions (804) are provided, a plurality of mounting portions (804) are distributed at intervals along the length direction of the main mounting plate (201), a plurality of drainage grooves (805) are provided, a plurality of drainage grooves (805) are sequentially provided at intervals along the width direction of the rigid arc baffle (801), a plurality of limit posts (501) are provided, a plurality of limit posts (501) are distributed at intervals along the length direction of the driving motor housing (5), a plurality of limit posts (501) are distributed at intervals along the circumferential direction of the driving motor housing (5), a plurality of pulley bases (806) are respectively and slidably sleeved on one of the limit posts (501), a plurality of travelling wheels (807) are respectively pivoted on one of the pulley bases (806), and a plurality of elastic pressure-resisting pieces (808) are respectively sleeved on one of the pulley bases (806).

Description

Driving motor fixing device of mechanical engineering vehicle Technical Field The invention relates to the technical field of automobile driving structures, in particular to a driving motor fixing device of a mechanical engineering vehicle. Background The electric vehicle is a mature traditional system facing energy efficiency, environmental protection and intelligent bottleneck, and the maturing of motor technology, battery technology and power electronic technology, the superposition of strong policies and market pulling force, the combined acceleration of the electric vehicle takes 'electric' as a starting point and leads to the deep industrial transformation of 'intelligent' and 'green', the electric drive not only replaces a power source, but also thoroughly reconstructs energy management, control logic and overall architecture of the engineering vehicle, and along with the rapid development of the electric vehicle technology, the electric mechanical engineering vehicle also generates along with the surge of the development The damping effect of the driving motor shell fixing device of the mechanical work engineering vehicle in the prior art is not ideal, vibration interference between the driving motor shell and the frame and between the driving motor and the transmission rod cannot be effectively restrained, external impact is difficult to isolate, and the driving motor shell is easy to damage. Disclosure of Invention In order to overcome the defects in the prior art, the invention aims to provide a driving motor fixing device of a mechanical engineering vehicle, which can effectively inhibit vibration interference between a driving motor shell and a frame and between a driving motor and a transmission rod, so as to protect the driving motor shell. The driving motor fixing device of the mechanical engineering vehicle comprises a mounting cross beam, a frame vibration isolation assembly, a motor anti-torque buffer assembly and a driving motor shell; The mounting cross beams are provided with at least two mounting cross beams which are oppositely arranged; the frame vibration isolation assembly comprises a main mounting plate, a buffering and damping device and a secondary mounting plate, wherein the main mounting plate, the buffering and damping device and the secondary mounting plate are sequentially connected in the anti-gravity direction; The motor anti-torque buffer assembly is provided with at least two motor shell abutting clamping seats, and the two motor shell abutting clamping seats are oppositely arranged to form a motor clamping area; The driving motor shell is accommodated in the motor clamping area and is abutted with each motor shell abutting clamping seat. The damping device comprises a main mounting plate, a damping assembly, a rigid buffer section and a damping assembly, wherein the damping plate is provided with a rigid mounting plate, the rigid buffer section and an elastic buffer arc, the rigid mounting plate is provided with two rigid mounting plates which are arranged in a mirror image mode along the thickness direction of the main mounting plate to form a rigid connecting plate, the opposite sides of the rigid connecting plate are respectively connected with the main mounting plate and the sub-mounting plate, the horizontal opposite sides of the rigid connecting plate are respectively connected with the rigid buffer section and the elastic buffer arc, the rigid buffer section is used for limiting the maximum distance between the main mounting plate and the sub-mounting plate, the elastic buffer arc is used for buffering impact between the main mounting plate and the sub-mounting plate, the damping assembly is accommodated in the buffer space and is detachably mounted on the rigid connecting plate. The vibration-damping device comprises a rigid mounting plate, a vibration-damping assembly, a plurality of vibration-damping assemblies and a plurality of elastic return elements, wherein the vibration-damping assemblies are arranged on the rigid mounting plate, the vibration-damping assemblies comprise a mounting base, a positioning rod and an elastic return element, the mounting base is in threaded connection with the threaded base, the mounting base is provided with at least two mounting bases which are oppositely arranged to form a group of positioning assemblies, the mounting base is provided with an avoidance groove which is recessed inwards from the outer wall of the mounting base, one end of the positioning rod is in threaded connection with the bottom wall of one avoidance groove, the other end of the positioning rod is in sliding insertion connection with the other avoidance groove, the elastic return element is in sleeve connection with the positioning rod, and the opposite ends of the elastic return element are respectively abutted to one rigid mounting plate, so that the two rigid mounting plates have mutually-far movement trends. The positioning device comprises a rigid