CN-116046367-B - Coal-winning machine running part meshing performance simulation test device

CN116046367BCN 116046367 BCN116046367 BCN 116046367BCN-116046367-B

Abstract

The invention relates to a simulation test device for engagement performance of a traveling part of a coal mining machine, which comprises a fixed base, a pin row, a guide shoe supporting seat, test traveling wheels and a linear driving mechanism, wherein the pin row is fixedly arranged on the fixed base in a front-back extending mode, the lower portion of the guide shoe supporting seat is provided with a guide groove, the structural size of the guide groove is set according to the guide groove of a real guide shoe of the traveling part of the coal mining machine, the guide shoe supporting seat is encircling the pin row through the guide groove on the guide shoe supporting seat and is in front-back sliding fit with the pin row, the test traveling wheels are arranged on the upper portion of the guide shoe supporting seat and extend left and right, the test traveling wheels are engaged with the pin row, the linear driving mechanism is arranged on the fixed base, and the moving end of the linear driving mechanism is connected with the guide shoe supporting seat, and the linear driving mechanism drives the guide shoe supporting seat to reciprocate back and forth. The invention is used for simulating the mutual matching state of a plurality of components of the travelling part of the coal mining machine, and provides basis and verification for the design of the travelling part of the coal mining machine, in particular the travelling wheel and the guide sliding shoe.

Inventors

WANG GUANG
HUANG QIULAI
WANG CAN
GU ENYANG
LU YUNPENG
QIAN ZHUANGZHUANG
EN JIANFENG
ZHANG BIN
HU JUN
ZHANG XIAOYONG
ZHU XINPING
LIU KAI
LI HUI
GUO DAI
Jia Siran

Assignees

天地上海采掘装备科技有限公司

Dates

Publication Date: 20260512
Application Date: 20230103

Claims (8)

1. The device is characterized by comprising a fixed base, a pin row, a guide sliding shoe supporting seat, a test traveling wheel and a linear driving mechanism, wherein the pin row is fixedly installed on the fixed base in a front-back extending mode, the lower portion of the guide sliding shoe supporting seat is provided with a guide groove, the structural size of the guide groove refers to the guide groove of a real guide sliding shoe of a traveling part of the coal mining machine, the guide sliding shoe supporting seat is encircling on the pin row through the guide groove on the guide sliding shoe supporting seat and is in front-back sliding fit with the pin row, an axle which extends left and right is installed on the upper portion of the guide sliding shoe supporting seat, the test traveling wheel is sleeved on the axle and can rotate relative to the axle, the test traveling wheel is meshed with the pin row, the linear driving mechanism is installed on the fixed base, the moving end of the linear driving mechanism is fixedly connected with the guide sliding shoe supporting seat relatively, the upper portion of the guide sliding shoe supporting seat is provided with a left supporting frame and a right supporting frame, the left supporting seat and the right supporting seat are in a reciprocating mode, the left shaft and the right shaft of the guide sliding shoe supporting seat are respectively provided with a through hole corresponding to the right supporting seat, the left shaft is provided with a through hole and a screw hole in the center hole in the installation hole in the corresponding shaft section, and the center hole in the center hole is arranged in the center of the axle, and the screw is fixed in the center hole.
2. The device for simulating engagement performance of a traveling part of a coal mining machine according to claim 1, wherein the wheel shaft is a stepped shaft with a thick middle shaft section and thin left and right shaft sections, and the test traveling wheel is arranged on the middle shaft section of the wheel shaft.
3. The device for simulating engagement performance of a traveling part of a coal mining machine according to claim 2, wherein the linear driving mechanism is a pushing cylinder, the pushing cylinder extends back and forth, one end of the pushing cylinder is connected with the fixed base, and the other end of the pushing cylinder is fixedly connected with the guide sliding shoe supporting seat.
4. The device for simulating engagement performance of a traveling part of a coal mining machine according to claim 3, wherein the pushing cylinder is provided with a left cylinder ear seat and a right cylinder ear seat, the oil cylinder ear seats are respectively sleeved on the left shaft section and the right shaft section of the wheel shaft, the outer end parts of the left shaft section and the right shaft section of the wheel shaft are respectively sleeved with a channeling-preventing end cover, and each channeling-preventing end cover is fixed on the wheel shaft through a threaded connecting piece.
5. The device for simulating engagement performance of a traveling part of a coal mining machine according to claim 4, further comprising an oil pressure sensor, wherein the oil pressure sensor is mounted on the pushing cylinder.
6. The device for simulating engagement performance of a traveling part of a coal mining machine according to claim 5, wherein the fixed base is L-shaped and comprises a bottom plate part and a side plate part, the pin row is arranged on the bottom plate part, and one end of a cylinder barrel of the pushing cylinder is connected with the side plate part.
7. The shearer loader walking part engagement performance simulation test device according to claim 1, 2, 3, 4, 5 or 6, wherein the pin array is detachably and fixedly mounted on the fixed base.
8. The device for simulating engagement performance of a traveling part of a coal mining machine according to claim 7, wherein the front end and the rear end of the pin row are connected to the fixed base through pin shafts in a penetrating manner, the corresponding pin shafts extend leftwards and rightwards, and at least one pin shaft is provided with a force sensor for sensing the stress condition of the pin shaft in the traveling process of the traveling wheel so as to test the magnitude and fluctuation condition of the engagement force of the traveling wheel and the pin row according to the stress condition of the pin shaft.

Description

Coal-winning machine running part meshing performance simulation test device Technical Field The invention relates to a test device for verifying engagement performance of a traveling part of a coal mining machine, and belongs to the technical field of coal mining equipment. Background The travelling part of the coal mining machine is an important component part of the coal mining machine and mainly provides power for travelling of the coal mining machine, and is positioned at the tail end of a travelling system of the coal mining machine and mainly comprises travelling wheels, pin rows, guide sliding shoes and other parts. The traveling wheels are meshed with the pin rows to push the coal mining machine to travel, and the quality of the meshing performance is directly related to the running stability of the coal mining machine. The guide sliding shoes encircle the pin rows to play a role in bearing and guiding, the encircling size of the guide sliding shoes directly influences the service performance of the coal mining machine, in addition, after long-term abrasion, the meshing center distance height of the travelling wheels and the pin rows is directly influenced, and further, the meshing performance of a travelling system is influenced, so that the meshing performance of the travelling part of the coal mining machine directly influences the normal use of the coal mining machine. At present, no mature simulation test device for the meshing performance of the running part of the coal mining machine is available. Disclosure of Invention The invention aims to provide a simulation test device for engagement performance of a traveling part of a coal mining machine, which can be used for simulating engagement states of traveling wheels and pin rows, engagement states of guide sliding shoes and pin rows, engagement states of traveling wheels and pin rows after the guide sliding shoes are worn, stress and fluctuation conditions of a traveling system in the traveling process and the like. The main technical scheme of the invention is as follows: The utility model provides a coal-winning machine running part meshing performance simulation test device, includes unable adjustment base, round pin row, direction skid shoe supporting seat, experimental walking wheel and linear drive mechanism, the round pin row back and forth extension fixed mounting is in on the unable adjustment base, the lower part of direction skid shoe supporting seat is equipped with the guide way, the structural dimension of guide way references the guide way setting of the true direction skid shoe of coal-winning machine running part, the direction skid shoe supporting seat is embraced through the guide way on it the round pin row and with round pin row back and forth sliding fit, the shaft that extends about installing of direction skid shoe supporting seat, experimental walking wheel cover is in on the shaft and can rotate relative the shaft, experimental walking wheel with the round pin row meshes, linear drive mechanism installs on unable adjustment base, the removal end of linear drive mechanism is direction skid shoe supporting seat fixed connection relatively, linear drive mechanism drives the reciprocal motion around the direction skid shoe supporting seat. The upper part of the guide sliding shoe supporting seat is provided with a left supporting frame and a right supporting frame, and the left shaft section and the right shaft section of the wheel shaft are respectively arranged in shaft mounting holes on the left supporting frame and the right supporting frame. The shaft mounting holes can be rectangular holes, center distance adjusting pads are arranged below the wheel shafts in the shaft mounting holes, threaded through holes are formed in the supporting frames above the shaft mounting holes, screws are arranged in the threaded through holes, and the screws and the center distance adjusting pads fix corresponding shaft sections of the wheel shafts in the corresponding shaft mounting holes. The wheel axle can be a stepped shaft with a thick middle shaft section and thin left and right shaft sections, and the test travelling wheel is arranged on the middle shaft section of the wheel axle. The pushing oil cylinder is provided with a left oil cylinder lug seat and a right oil cylinder lug seat, the oil cylinder lug seats at the extending end parts of the cylinder rod are respectively sleeved on the left shaft section and the right shaft section of the wheel shaft, the outer end parts of the left shaft section and the right shaft section of the wheel shaft are respectively sleeved with a channeling-preventing end cover, and each channeling-preventing end cover is fixed on the wheel shaft through a threaded connecting piece. The meshing performance simulation test device for the travelling part of the coal mining machine is further provided with an oil pressure sensor, and the oil pressure sensor is arranged on the pushing oil cylinder. T