CN-115494258-B - Rotary traveling system engagement platform and traveling system engagement performance experiment method

CN115494258BCN 115494258 BCN115494258 BCN 115494258BCN-115494258-B

Abstract

The invention relates to a rotary traveling system meshing platform and a traveling system meshing performance experiment method, wherein the platform comprises a left supporting seat, a right supporting seat, traveling wheels and a pin row, wherein the traveling wheels and the pin row are meshed, the two supporting seats are fixed on a platform surface, the left end and the right end of a traveling wheel axle are rotatably supported on the corresponding supporting seats, one end of the traveling wheel axle is connected with a rotation driving device, a vertical adjusting plate is arranged on the platform surface between the two supporting seats, the pin row is placed on the vertical adjusting plate, a pair of horizontal adjusting plates are embedded between the pin row and the two supporting seats, the horizontal adjusting plates are fixed relative to the supporting seats, one end of the pin row is provided with displacement, speed and acceleration sensors, the method adopts the platform for experiment, and a rotation driving device is started after experimental parameters are changed each time, and the traveling wheels drive the pin row to move, so as to acquire sensing data of the displacement, speed and acceleration sensors. The invention is used for experimental study on the influence factors, the influence modes and the influence degrees of the meshing performance of the traveling system of the coal mining machine.

Inventors

LI HUI
WANG ZHENQIAN
YANG GUICHENG
ZHOU CHANGFEI
ZHANG BIN
GUO DAI
HU JUN
ZHANG XIAOYONG
Jia Siran
LIU KUNMIN
QIAN ZHUANGZHUANG

Assignees

天地上海采掘装备科技有限公司
中煤科工集团上海有限公司
中国煤炭科工集团有限公司

Dates

Publication Date: 20260512
Application Date: 20220831

Claims (5)

1. The utility model provides a rotation type traveling system meshing platform which characterized in that: comprises a rotation driving device, a left supporting seat, a right supporting seat, a walking wheel and a pin row, wherein the walking wheel and the pin row are meshed, the two supporting seats are fixedly arranged on a platform surface, the left end and the right end of an axle of the walking wheel are respectively and rotatably supported on the corresponding supporting seats, the rotation driving device is coaxially connected with one end of the axle of the walking wheel, the rotation driving device drives the walking wheel to rotate, a vertical adjusting plate is arranged on the platform surface between the two supporting seats, the top plane of the vertical adjusting plate is divided into a front top plane and a rear top plane, the front top plane and the rear top plane respectively adopt any one of inclined planes with different heights of the horizontal plane and the front end and the rear end, the pin row is provided with a front section and a rear section, the front section and the rear section of pin row are respectively and detachably fixed on the front top plane and the rear top plane of the vertical adjusting plate, a pair of horizontal adjusting plates are embedded between the pin row and the left and right supporting seats, the outer vertical plate surfaces of the pair of horizontal adjusting plates are attached to the corresponding side surfaces of the left and right supporting seats, the pair of horizontal adjusting plates are divided into a front section and a rear section, the front section and the rear section are respectively any one of flat plates with equal thickness and wedge-shaped plates with unequal thicknesses at the front end and the rear end, the left and right inner plate surfaces of the front section are parallel, the left and right inner plate surfaces of the rear section are parallel, the distance between the left and right inner plate surfaces of the left and right inner plate surfaces is equal, the left and right side surfaces of the front and rear pin rows are attached to the left and right inner plate surfaces of the front and rear sections respectively, the pin rows are detachably and fixedly connected with the horizontal adjusting plates, one end part of the pin row is provided with a displacement, speed and acceleration sensor, and screws are respectively arranged on the left and right supporting seats, the tail end surfaces of the left and right screws respectively contact the left and right outer vertical plate surfaces of the pair of horizontal adjusting plates.
2. The rotary traveling system engagement platform of claim 1, wherein the rotary drive device is a motor, the motor is mounted on a motor mount, and the motor mount is fixed on a platform surface.
3. The rotary traveling system engagement platform of claim 2, wherein the motor is coupled to an axle of the traveling wheel via a coupling.
4. The rotary traveling system engagement platform of claim 3, wherein the left and right ends of the axle of the traveling wheel are rotatably supported on respective support bases by bearings, and an end cover is further mounted on one side of the support bases and axially limits the respective bearings.
5. A running system engagement performance experiment method is characterized in that the rotary running system engagement platform according to claim 1 is adopted for experiment, a rotary driving device is started, a running wheel is driven to rotate, the running wheel drives a pin row to move, sensing data of displacement, speed and acceleration sensors are obtained, engagement performance data of the running wheel and the pin row are further obtained, after experimental parameters are changed, the process is repeated, and the experimental parameters are changed by implementing one or more of the following change items: 1) Changing walking wheels and/or pin rows with different tooth shapes; 2) The meshing center distance between the travelling wheel and the pin row is adjusted by changing vertical adjusting plates with different thicknesses; 3) The pitch of the pin rows is adjusted by changing the distance between the front pin row and the rear pin row; 4) Changing the vertical bending degree of the front pin row and the rear pin row by changing vertical adjusting plates with different included angles between the front top plane and the rear top plane; 5) The horizontal bending degree of the front pin row and the rear pin row is changed by changing the horizontal adjusting plates with different included angles between the front inner plate surface and the rear inner plate surface.

Description

Rotary traveling system engagement platform and traveling system engagement performance experiment method Technical Field The invention relates to an experimental platform for testing engagement performance of a traveling wheel and a pin row of a coal mining machine and a method for verifying engagement performance of a traveling system by adopting the platform. Background The engagement of the travelling wheels of the coal mining machine and the pin rows of the conveyor is usually non-conjugate engagement, and impact vibration is serious when the coal mining machine is used underground, so that the service performance and the service life of a travelling system are greatly influenced. The pitch of the pin rows and the meshing center distance of the travelling wheels and the pin rows are two main factors influencing the meshing performance of the travelling system, and the meshing performance of the travelling system of the coal mining machine can be improved by optimizing the tooth shapes of the travelling wheels and the pin rows. In order to improve the meshing performance, the tooth shape of the travelling wheel is often designed into a composite tooth shape, but the composite tooth shape is changed in a lot, and the performance influence of the composite tooth shape on a travelling system is studied and best determined through experiments. At present, a similar experimental platform is not available for verifying and analyzing the meshing performance of a running system, and most of the simulation is performed by software simulation or verification by improving according to problems in the actual use process, wherein the software simulation is often inconsistent with the actual situation, and the improvement according to the actual use situation wastes time and cost. Disclosure of Invention The invention aims to provide a rotary traveling system meshing platform and a traveling system meshing performance experimental method, which are used for carrying out experimental study on various influencing factors, influencing modes and influencing degrees of the meshing performance of a traveling system of a coal mining machine. The main technical scheme of the invention is as follows: The utility model provides a rotation type traveling system meshing platform, includes rotation drive arrangement, controls two supporting seats and engaged walking wheel and round pin row, two supporting seats fixed mounting are on the platform mesa, the left and right sides both ends of the shaft of walking wheel rotate the support respectively on corresponding supporting seat, rotation drive arrangement with the one end coaxial coupling of the shaft of walking wheel rotates drive arrangement and drives the walking wheel and rotate, can dismantle fixed mounting on the platform mesa between two supporting seats has vertical adjustment board, the round pin row is placed on vertical adjustment board, and vertical adjustment board adopts the flat board of even thickness, inlays a pair of horizontal adjustment board between round pin row and the left and right sides two supporting seats, and the fixed connection can be dismantled to horizontal adjustment board relative control supporting seat, and the back and forth movement of round pin row is led to the horizontal adjustment board, and displacement, speed and acceleration sensor are installed to the one end tip of round pin row. The utility model provides a rotation type traveling system meshing platform, includes rotation drive arrangement, controls two supporting seats and engaged walking wheel and round pin row, two supporting seats fixed mounting are on the platform mesa, the left and right sides of the shaft of walking wheel is rotatory support respectively on corresponding supporting seat, rotation drive arrangement with the one end coaxial coupling of the shaft of walking wheel, rotation drive arrangement drive walking wheel and rotate, has placed vertical adjustment board on the platform mesa between two supporting seats, the top plane of vertical adjustment board is divided into front top plane and back top plane two parts, and front and back top plane adopts the arbitrary one of horizontal plane and the inclined plane of front and back end difference respectively, the round pin row has front and back two sections, and front and back two sections round pin rows extend and can dismantle respectively and fix on the front and back top plane of vertical adjustment board, inlays a pair of horizontal adjustment board between round pin row and the left and right supporting seat, and the horizontal adjustment board of a pair of horizontal adjustment board is relative left and right supporting seat is dismantled fixed connection, and the front and back removal of round pin row is guided to the one end of round pin row, acceleration sensor is installed to the tip of round pin row. The utility model provides a rotation type traveling system meshing platform, includes rotation drive