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CN-121985496-A - Variable frequency cabinet with multilayer supporting mechanism

CN121985496ACN 121985496 ACN121985496 ACN 121985496ACN-121985496-A

Abstract

The invention relates to the technical field of frequency conversion cabinet protection, and provides a frequency conversion cabinet with a multi-layer supporting mechanism, which comprises a base, wherein a protection frame is fixedly arranged at the top of the base, damping rods I are hinged at four corners of the inner wall of the protection frame, the inner wall of the protection frame is hinged with a variable frequency cabinet body through a first damping rod, a top plate is fixedly arranged at the top of the protection frame, and a transmission plate is hinged at the bottom of the top plate. Through redesigning, the device has simplified protective structure greatly, has avoided the device to receive the pressure that comes from the horizontal direction simultaneously and has aroused material compression deformation inefficacy, for realizing this purpose, this device has readjusted multilayer supporting construction, and is specific as follows: the device passes through the lever with the transfer plate as the arm of force to will come from behind the broken stone pressure furthest reduction that outer guard plate bore and act on shock attenuation pole two, reduced the pressure that shock attenuation pole two received, and reduced the horizontal pressure of shock attenuation pole two and transfer plate to base and protection frame.

Inventors

  • DU JIANBIN
  • ZHOU YE

Assignees

  • 河北元翔智能控制有限公司

Dates

Publication Date
20260505
Application Date
20260207

Claims (9)

  1. 1. The utility model provides a variable frequency cabinet with multilayer supporting mechanism, includes base (1), its characterized in that, the top fixed mounting of base (1) has: the protection frame (2), four corners of the inner wall of the protection frame (2) are hinged with damping rods I (5), the inner wall of the protection frame (2) is hinged with a variable frequency cabinet body (12) through the damping rods I (5), the top of the protection frame (2) is fixedly provided with a top plate (3), and the bottom of the top plate (3) is hinged with a transfer plate (8); The second damping rod (6), the second damping rod (6) comprises a second accommodating cylinder (61) positioned at two sides of the protective frame (2), a second piston (62) and a second spring (64) are sleeved on the inner wall of the second accommodating cylinder (61), the inner cavity of the second accommodating cylinder (61) is filled with a second hydraulic oil (65), a second through hole (63) is formed in the bottom end of the second piston (62), and the second spring (64) is compressed and arranged at the bottom of the inner wall of the second accommodating cylinder (61); the top of piston two (62) is articulated with the bottom of transfer board (8), the top fixedly connected with outer guard plate (9) in transfer board (8) outside, the outside fixedly connected with blotter (11) of outer guard plate (9).
  2. 2. The variable frequency cabinet with the multilayer supporting mechanism according to claim 1, wherein the damping rod I (5) comprises four groups of containing cylinder I (51) hinged at four corners of the inner wall of the protective frame (2), an inner sealing sleeve of the containing cylinder I (51) is provided with a piston I (52) and a spring I (54), the spring I (54) is arranged in the containing cylinder I (51) in a compressed mode, a through hole I (53) is formed in one end of the inner side of the piston I (52), and one end of the outer side of the piston I (52) is hinged with the variable frequency cabinet body (12).
  3. 3. The variable frequency cabinet with the multilayer supporting mechanism according to claim 2, wherein four groups of damping rods (5) are distributed between the protection frame (2) and the variable frequency cabinet body (12) in a diagonal manner, and a plurality of groups of buffer columns (4) are fixedly connected between the inner wall of the protection frame (2) and the outer peripheral surface of the variable frequency cabinet body (12).
  4. 4. The variable frequency cabinet with the multilayer supporting mechanism according to claim 3, wherein two groups of accommodating cylinders II (61) are respectively hinged on the left side and the right side of the top of the base (1) and distributed in a bilateral symmetry mode, support columns (7) are fixedly connected on the left side and the right side of the bottom of the top plate (3), and two groups of transfer plates (8) are respectively hinged on the bottom of the top plate (3) through the two groups of support columns (7).
  5. 5. The variable frequency cabinet with the multilayer supporting mechanism according to claim 4, wherein the buffer columns (4) and the buffer pads (11) are made of rubber blocks, and the tops of the inner sides of the transfer plates (8) are respectively abutted against the left side and the right side of the top plate (3).
  6. 6. The variable frequency cabinet with the multilayer supporting mechanism according to claim 5, wherein a plurality of groups of reinforcing ribs (10) are arranged on the inner side of the outer protection plate (9), and an included angle of 10 degrees is reserved between the inner side of the transmission plate (8) and two sides of the protection frame (2).
  7. 7. The variable frequency cabinet with the multilayer supporting mechanism according to claim 6, wherein an included angle of 26 degrees is reserved between the axes of the second accommodating cylinder (61) and the second piston (62) and the two sides of the protective frame (2), and two ends of the second spring (64) are respectively and elastically connected with the second accommodating cylinder (61) and the second piston (62).
  8. 8. The variable frequency cabinet with the multi-layer supporting mechanism according to claim 7, wherein two ends of the first spring (54) are respectively and elastically connected with the first accommodating cylinder (51) and the first piston (52), and the first hydraulic oil (55) and the second hydraulic oil (65) are respectively made of kerosene.
  9. 9. The variable frequency cabinet with the multi-layer supporting mechanism according to claim 8, wherein the shaft cross section of the piston two (62) and the shaft cross section of the piston one (52) are of a T shape, the hydraulic oil two (65) can flow along the through hole two (63), and the hydraulic oil one (55) can flow along the through hole one (53).

Description

Variable frequency cabinet with multilayer supporting mechanism Technical Field The invention relates to the technical field of frequency conversion cabinet protection, in particular to a frequency conversion cabinet with a multi-layer supporting mechanism. Background The application relates to a control cabinet using a frequency converter to drag a power device, which is mainly used for regulating the rotation speed of a motor, realizing energy saving and automatic control of equipment, being widely applied to the fields of water supply, industry, air conditioning and the like, and being characterized in that the actual application scene of the frequency conversion cabinet comprises a plurality of field environments, namely outdoor and mine holes, for protecting the cabinet body and avoiding the pressing damage of impurities such as stones in the mine holes, a multi-layer supporting structure is generally arranged at the outer side of the frequency conversion cabinet, wherein the multi-layer supporting structure comprises a damping module positioned at the inner side and a smashing prevention module positioned at the outer side, the damping module is responsible for keeping the cabinet body stable and absorbing impact energy, the smashing prevention module directly faces large-volume impurities such as falling stones and provides direct protection, broken stone impurities are isolated, the supporting structure in the prior art is relatively complex, such as CN202411719983.4, a rotatable protection plate is adopted at the outer side of the supporting structure to provide a pressed rotating space, and the inner energy absorbing part is fully used for absorbing energy, but the design can not realize effective component force, the pressure and the impact force from the impurities can generate horizontal pressure on the device, and the lateral pressure is easy to generate a lateral pressure on the structure of the outer side part, and the supporting structure is an improved in the long-term design, and the application still has the aim of pressing structure is improved. Disclosure of Invention In order to overcome the defects, the embodiment of the invention provides a variable frequency cabinet with a multi-layer supporting mechanism, which solves the technical problems of complex structure and unreasonable stress structure design in the related art. The invention provides a variable frequency cabinet with a multilayer supporting mechanism, which comprises a base, wherein the top of the base is fixedly provided with: the protection frame is characterized in that damping rods I are hinged to four corners of the inner wall of the protection frame, a variable frequency cabinet body is hinged to the inner wall of the protection frame through the damping rods I, a top plate is fixedly arranged at the top of the protection frame, and a transfer plate is hinged to the bottom of the top plate; The second damping rod comprises a second containing cylinder positioned at two sides of the protection frame, a second piston and a second spring are arranged on the inner wall of the second containing cylinder in a sealing sleeve manner, the inner cavity of the second containing cylinder is filled with hydraulic oil, a second through hole is formed in the bottom end of the second piston, and the second spring is compressed and arranged at the bottom of the inner wall of the second containing cylinder; The top of piston two is articulated with the bottom of transfer board, the top fixedly connected with outer guard plate in the transfer board outside, the outside fixedly connected with blotter of outer guard plate. According to the embodiment of the application, the first damping rod comprises four groups of first containing cylinders hinged to four corners of the inner wall of the protective frame, the first containing cylinders are internally provided with a first piston and a first spring in a sealing sleeve manner, the first spring is arranged in the first containing cylinders in a compressed manner, one end of the inner side of the first piston is provided with a first through hole, and one end of the outer side of the first piston is hinged to the variable frequency cabinet body. According to the embodiment of the application, the four groups of damping rods are distributed between the protection frame and the variable frequency cabinet body in a diagonal manner, and a plurality of groups of damping columns are fixedly connected between the inner wall of the protection frame and the outer peripheral surface of the variable frequency cabinet body. According to an implementation manner provided by the embodiment of the application, the two groups of accommodating cylinders are respectively hinged on the left side and the right side of the top of the base and are distributed in bilateral symmetry, the left side and the right side of the bottom of the top plate are fixedly connected with the supporting columns, and the two gr