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CN-122014617-A - Integrated oil-free screw compressor

CN122014617ACN 122014617 ACN122014617 ACN 122014617ACN-122014617-A

Abstract

The invention relates to the technical field of oil-free screw compressors and discloses an integrated oil-free screw compressor, which comprises a compressor body and a driving motor arranged on the side edge of the compressor body, wherein a transmission shaft is arranged on the compressor body, a lubrication shaft sleeve matched with the transmission shaft is arranged on the end face of the compressor body, an output shaft is fixedly arranged at the output end of the driving motor, and a transmission disc is fixedly sleeved on the outer wall of the transmission shaft. According to the invention, the power of the driving motor and the power of the compressor body are accurately separated through the mechanical clutch structure, the compressor body can be stopped directly when in idle load, the idle friction loss of core components such as a rotor, a synchronous gear and the like is avoided, the problem of high idle useless energy consumption ratio of the traditional machine type is solved, the energy consumption of idle running of equipment is reduced, meanwhile, the driving motor keeps normal running, the component impact and loss caused by frequent start and stop of the motor are avoided, the service lives of the motor and an electric control system are prolonged, and the energy conservation performance and the equipment running stability are considered.

Inventors

  • HU RUI

Assignees

  • 宁波市新炜流体科技有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The utility model provides an integrated oilless screw compressor, includes compressor body (11) and sets up driving motor (12) at compressor body (11) side, a serial communication port, be provided with transmission shaft (21) on compressor body (11), the terminal surface of compressor body (11) is provided with lubricated axle sleeve (22) with transmission shaft (21) adaptation, the output fixed mounting of driving motor (12) has output shaft (25), the fixed cover of outer wall of transmission shaft (21) is equipped with driving disk (23), driving tooth mouth (24) that are annular array distribution of a plurality of are seted up to the outer wall of driving disk (23), the outer wall cover of output shaft (25) is equipped with driving disk (26), the outer wall fixed mounting of driving disk (26) has a plurality of driving tooth (27) with driving tooth mouth (24) adaptation, the terminal surface of driving motor (12) is provided with the control assembly that is used for controlling driving disk (26) and driving disk (23) to be connected, be provided with between driving disk (26) and driving disk (23) and be used for stopping driving disk (21) motor end surface (22) that is used for stopping lubrication assembly (12).
  2. 2. An integrated oil-free screw compressor according to claim 1, characterized in that the compressor body (11) is provided with an air inlet pipe (13) on one side and an air outlet pipe (14) on the other side of the outer wall.
  3. 3. The integrated oil-free screw compressor according to claim 1, wherein the control assembly comprises guide grooves (31) symmetrically formed in the outer wall of the output shaft (25), two guide blocks (32) in sliding connection with the guide grooves (31) are symmetrically and fixedly arranged on the inner wall of the driving disc (26), a connecting sleeve (33) is fixedly arranged on the side face of the driving disc (26), a support (34) is fixedly arranged on the end face of the driving motor (12), a transmission plate (35) is arranged on the inner side of the support (34), a connecting frame (36) positioned on the outer side of the output shaft (25) is fixedly arranged at the bottom end of the transmission plate (35), a mounting ring groove (37) is formed in the end portion of the connecting sleeve (33), two pushing blocks (38) in sliding connection with the mounting ring groove (37) are hinged to the bottom end of the connecting frame (36), a mounting plate (311) is fixedly arranged on the end face of the driving motor (12), a control electric push rod (312) is hinged to the bottom face of the mounting plate (311), and the top end of the control electric push rod (312) is hinged to the transmission plate (35).
  4. 4. An integrated oil-free screw compressor according to claim 3, characterized in that the side of the drive plate (35) is provided with a guide opening (39), and the inner wall of the bracket (34) is rotatably provided with a guide rod (310) which is in sliding connection with the guide opening (39).
  5. 5. An integrated oil-free screw compressor according to claim 3, characterized in that the inner wall of the connecting sleeve (33) is attached to the outer wall of the output shaft (25), and the connecting frame (36) is provided in a U-shape.
  6. 6. The integrated oil-free screw compressor of claim 1, wherein the stop assembly comprises a mounting frame (41) fixedly mounted on the end face of the driving motor (12), a shaft lever (42) is rotatably mounted on the inner wall of the end portion of the mounting frame (41), a rotating plate (43) is fixedly sleeved on the outer wall of the shaft lever (42), a torsion spring (44) is sleeved on the end portion of the shaft lever (42), two ends of the torsion spring (44) are fixedly connected with the shaft lever (42) and the mounting frame (41) respectively, a push plate (45) is fixedly mounted on one end of the rotating plate (43) located on the driving disc (26), a push ring (46) corresponding to the push plate (45) is rotatably mounted on the side face of the driving disc (26), and a friction plate (47) corresponding to the driving disc (23) is fixedly mounted on one end, away from the push plate (45).
  7. 7. An integrated oil-free screw compressor according to claim 6, characterized in that the friction plate (47) is arranged in an arc shape corresponding to the outer wall of the driving disc (23), and the side of the friction plate (47) is provided with anti-skid patterns.
  8. 8. An integrated oil-free screw compressor according to claim 3, characterized in that the lubrication assembly comprises a sealing cylinder (51) fixedly mounted on the end face of the driving motor (12) and located at the opposite position of the control electric push rod (312), a piston plate (52) is arranged on the inner side of the sealing cylinder (51), two sliding grooves (53) are symmetrically formed in the inner wall of the sealing cylinder (51), two sliding blocks (54) corresponding to the sliding grooves (53) are symmetrically and fixedly mounted on the outer wall of the piston plate (52), a linkage rod (55) is fixedly mounted on the side face of the piston plate (52), and the end portion of the linkage rod (55) penetrates through the side face of the sealing cylinder (51) and is movably connected with a telescopic end of the control electric push rod (312).
  9. 9. The integrated oil-free screw compressor of claim 8, wherein an oil reservoir (56) is fixedly mounted on the top surface of the mounting plate (311), the oil reservoir (56) is communicated with the sealing cylinder (51) through an oil pumping pipe (57), and the sealing cylinder (51) is communicated with the lubricating shaft sleeve (22) through an oil injection pipe (58).
  10. 10. An integrated oil-free screw compressor according to claim 9, characterized in that the oil pumping pipe (57) is fitted with a one-way valve with a flow direction opposite to the inner side of the oil filler pipe (58).

Description

Integrated oil-free screw compressor Technical Field The invention relates to the technical field of oil-free screw compressors, in particular to an integrated oil-free screw compressor. Background The integrated oil-free screw compressor (special for electric heavy truck) is a highly integrated oil-free electrically driven screw air compression unit designed for an electric heavy truck air circuit system, integrates oil-free screw host, permanent magnet driving motor, intelligent electric control, cooling/filtering/drying, silencing, air circuit valve group and other modules, and provides a Class 0 clean, stable and high-flow core air supply device for braking, air suspension, door pump, pneumatic lifting/discharging and the like. In the actual working condition operation process of the integrated oil-free screw compressor, when the air consumption of a terminal is zero, equipment can be automatically switched to an idle running state, at the moment, the closing action of an air inlet valve is completed to cut off the air inlet, but the air inlet is limited by the design constraint of an integrated structure, a rotor can still continuously idle along with the rated rotation speed of a motor, gas viscous friction can be generated by a tiny fit gap between the rotor and a shell, continuous mechanical friction can be generated by meshing transmission of a synchronous gear and rotation support of a bearing, the meaningless friction loss superposition forms higher idle useless energy consumption, the idle energy consumption can be reduced by a motor speed reduction mode, the inherent friction loss generated by the operation of mechanical parts such as the rotor, the synchronous gear and the bearing can not be eliminated, the problem of mechanical friction loss in the idle state can not be fundamentally solved, the unnecessary waste of energy sources can be caused, the continuous idle abrasion of the mechanical parts can be accelerated, the aging of wearing parts such as the synchronous gear and the bearing can be shortened, and the service life of the wearing parts can be shortened. Therefore, there is a need to design a new integrated oil-free screw compressor to solve the above-mentioned problems. Disclosure of Invention The invention aims to solve the defects in the prior art and provides an integrated oil-free screw compressor. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides an integrated oilless screw compressor, includes the compressor organism and sets up the driving motor at the compressor organism side, be provided with the transmission shaft on the compressor organism, the terminal surface of compressor organism is provided with the lubricated axle sleeve with the transmission shaft adaptation, driving motor's output fixed mounting has the output shaft, the fixed cover of outer wall of transmission shaft is equipped with the driving disk, the outer wall of driving disk has seted up a plurality of and is the transmission tooth mouth that the annular array distributes, the outer wall cover of output shaft has the driving disk, the outer wall fixed mounting of driving disk has the driving tooth of a plurality of and transmission tooth mouth adaptation, driving motor's terminal surface is provided with the control assembly who is used for controlling driving disk and driving disk to be connected, be provided with the stop subassembly that is used for stopping driving disk and transmission shaft fast between driving disk and the driving disk, driving motor's terminal surface is provided with the lubrication subassembly that is used for lubricated axle sleeve. As a preferable technical scheme of the invention, one side of the outer wall of the compressor body is provided with an air inlet pipe, and the other side of the outer wall of the compressor body is provided with an air outlet pipe. As a preferable technical scheme of the invention, the control assembly comprises guide grooves symmetrically arranged on the outer wall of the output shaft, two guide blocks which are in sliding connection with the guide grooves are symmetrically and fixedly arranged on the inner wall of the driving disc, a connecting sleeve is fixedly arranged on the side surface of the driving disc, a support is fixedly arranged on the end surface of the driving motor, a transmission plate is arranged on the inner side of the support, a connecting frame positioned on the outer side of the output shaft is fixedly arranged at the bottom end of the transmission plate, a mounting ring groove is arranged at the end part of the connecting sleeve, two pushing blocks which are in sliding connection with the mounting ring groove are hinged at the bottom end of the connecting frame, a mounting plate is fixedly arranged on the end surface of the driving motor, a control electric push rod is hinged at the bottom surface of the mounting plate, and the telescopic end of t