CN-122016306-A - Vertical detection system and method for slewing bearing device

CN122016306ACN 122016306 ACN122016306 ACN 122016306ACN-122016306-A

Abstract

The invention discloses a vertical detection system and a vertical detection method of a slewing bearing device, wherein the vertical detection system comprises a first pressing plate, a second pressing plate, a third pressing plate and a pull rod which are arranged at intervals, a first driving piece can drive the third pressing plate to move in a direction far away from the second pressing plate, so that the slewing bearing bears an axial load, a detection piece can detect the axial load loaded on the slewing bearing device, and simultaneously the detection piece can synchronously capture the value of the loaded axial load in real time, thereby realizing the slewing function test of the slewing bearing under the action of the vertical load, accurately overcoming the core problems of lack of a slewing function test method under the vertical load, halt and low efficiency in load adjustment in the prior art, realizing the technical effects of vertical load test coverage, load adjustment automation and detection data accuracy, effectively reducing the detection cost of the slewing bearing, and improving the quality and efficiency of test detection.

Inventors

MENG FANXING
ZHENG JIANHUI
CAI ZHONGCHANG
ZHANG MING
YU CHUNXIAO
YUAN HAN
Yao Neng

Assignees

湖北三江航天万山特种车辆有限公司
湖北航天技术研究院特种车辆技术中心

Dates

Publication Date: 20260512
Application Date: 20251229

Claims (10)

1. A vertical inspection system for a slewing bearing device, the vertical inspection system comprising: The first pressing plate and the second pressing plate are arranged at intervals, the first pressing plate is used for being connected to an upper-stage rotary inner ring of the rotary supporting device, and the second pressing plate is used for being connected to a lower-stage rotary outer ring of the rotary supporting device and a brake disc; The third pressing plates are arranged at intervals on one side, far away from the first pressing plate, of the second pressing plates, a first driving piece is arranged between the third pressing plates and the second pressing plates, and the first driving piece can drive the third pressing plates to move far away from the second pressing plates; The pull rod penetrates through the first pressing plate, the second pressing plate and the third pressing plate along the axial direction of the slewing bearing device, a detection piece is arranged at one end, extending to the upper portion of the first pressing plate, of the pull rod, the detection piece is arranged at one side, far away from the slewing bearing device, of the first pressing plate, and when the first driving piece drives the third pressing plate to move, the detection piece can detect axial load loaded on the slewing bearing device.
2. The vertical detection system of the slewing bearing device of claim 1, wherein a thrust ball bearing is arranged between the first pressing plate and the detection piece, a sinking groove is arranged on the end surface of the first pressing plate, and the thrust ball bearing is clamped in the sinking groove.
3. The vertical detection system of a slewing bearing device as set forth in claim 2, wherein a mounting seat is provided between the thrust ball bearing and the detection member, the mounting seat, the thrust ball bearing and the pull rod are coaxially arranged, and a detection end of the detection member abuts against an end face of the mounting seat.
4. The vertical detection system of a slewing bearing device as set forth in claim 3, wherein the mounting base is provided with a receiving groove, the end of the pull rod extends into the receiving groove, the detection member is detachably connected with the pull rod through a mounting block, and the mounting block is arranged in the receiving groove.
5. The vertical detection system of the slewing bearing device as set forth in claim 1, wherein a positioning cylinder is disposed between the second pressing plate and the third pressing plate, the positioning cylinder is connected with the second pressing plate, a boss matched with the positioning cylinder is disposed on the third pressing plate, and the first driving member is sleeved on the positioning cylinder.
6. The vertical inspection system of a slewing bearing device as set forth in claim 1 wherein said first drive member is a hydraulic nut assembly.
7. The vertical detection system of a slewing bearing device according to claim 1, wherein the end of the pull rod, which is far away from the detection piece, is provided with a fastening nut in threaded connection, and the fastening nut is pressed on the end surface of the third pressing plate, which is far away from the second pressing plate.
8. The vertical detection system of a slewing bearing device according to claim 1, further comprising a mounting frame, wherein the mounting frame comprises a top plate fixedly connected with a mounting position of the first pressing plate, and a side plate fixedly connected with an upper slewing outer ring of the slewing bearing device, and a brake caliper used for being connected with the brake disc is arranged on the side plate.
9. The vertical detection system of a slewing bearing device as set forth in claim 8, wherein a fixing seat is fixedly arranged on the side plate, the fixing seat is used for fixedly connecting the upper slewing outer ring, and the brake caliper is provided with at least two brake calipers.
10. A vertical detection method of a slewing bearing device, wherein the vertical detection method is applied to the vertical detection system according to claim 8 or 9, the vertical detection method comprising: Connecting the first pressing plate with the top plate, connecting the second pressing plate with the brake disc, and assembling the brake disc to be matched with the brake caliper; The slewing bearing device to be detected is taken, the first pressing plate is connected with the upper-stage slewing inner ring, and the second pressing plate is connected with the lower-stage slewing outer ring; operating the first driving piece to drive the third pressing plate to move away from the second pressing plate; detecting an axial load applied to the slewing bearing device by the detecting member; Controlling the first driving piece to output different driving forces, and detecting and obtaining reliability data of the slewing bearing device; connecting an upper-stage slewing outer ring of the slewing bearing device to the side plate, operating the slewing bearing device, and driving the lower-stage slewing outer ring to rotate; and operating the brake caliper to clamp the brake disc, detecting and recording the rotation resistance moment of the brake caliper, and obtaining rotation smoothness data of the slewing bearing device.

Description

Vertical detection system and method for slewing bearing device Technical Field The application relates to the technical field of vehicle device detection, in particular to a vertical detection system and method of a slewing bearing device. Background In an automobile chassis system, an angle module is used as a core component, key devices such as a steering system, a suspension system, wheels, a parking brake and the like are integrated, a plurality of core functions such as steering, vibration reduction, running, braking and the like can be synchronously realized, a slewing bearing device is used as a key assembly for realizing slewing and steering functions in the angle module, the running performance of the angle module and even the whole chassis system is directly determined, and the angle module is one of core components of the automobile angle module system. The slewing bearing for the vehicle has the characteristic of strong comprehensive load bearing capacity, can bear larger axial load, radial load and overturning moment at the same time, is widely applied to the fields of heavy equipment such as cranes and excavators and heavy and extra-heavy running vehicles, and has the advantages of stable transmission and high efficiency, so that the slewing bearing for the vehicle is widely applied to the field of mechanical arms. It should be noted that the driving performance quality of the slewing bearing for a vehicle is directly related to the in-situ slewing reliability and service life of the slewing bearing in a practical application scene, so that it is important to perform comprehensive and efficient performance detection. However, the prior art has obvious defects in the aspect of slewing bearing detection, on one hand, the detection of the slewing bearing is mostly dependent on manual cooperation with mechanical equipment to finish the overturning moment detection, a method for realizing slewing function test under vertical load is not proposed temporarily, so that detection parameters are incomplete, the core performance of the slewing bearing under actual working conditions cannot be fully evaluated, on the other hand, most slewing bearing test equipment needs to reduce the slewing bearing in a rotating state to be completely stopped when the test load and speed are adjusted, and then load adjustment is realized in a manner of increasing and decreasing the counterweight, so that the process is low in efficiency, occupies a large amount of test time, further has higher test cost and labor expenditure, and the overall test detection efficiency is difficult to meet the actual production requirement. Under the circumstances, there is a need for a slewing bearing detection method with high detection efficiency, high automation degree and relatively comprehensive detection parameters, so as to solve the above problems in the prior art. Disclosure of Invention Aiming at the defects in the prior art, the application provides a vertical detection system and method of a slewing bearing device, which are used for solving the problems of low slewing bearing detection efficiency and high complexity in the prior art. The above object of the present application is mainly achieved by the following technical solutions: a vertical detection system of a slewing bearing device, the vertical detection system comprising: The first pressing plate and the second pressing plate are arranged at intervals, the first pressing plate is used for being connected to an upper-stage rotary inner ring of the rotary supporting device, and the second pressing plate is used for being connected to a lower-stage rotary outer ring of the rotary supporting device and a brake disc; The third pressing plates are arranged at intervals on one side, far away from the first pressing plate, of the second pressing plates, a first driving piece is arranged between the third pressing plates and the second pressing plates, and the first driving piece can drive the third pressing plates to move far away from the second pressing plates; The pull rod penetrates through the first pressing plate, the second pressing plate and the third pressing plate along the axial direction of the slewing bearing device, a detection piece is arranged at one end, extending to the upper portion of the first pressing plate, of the pull rod, the detection piece is arranged at one side, far away from the slewing bearing device, of the first pressing plate, and when the first driving piece drives the third pressing plate to move, the detection piece can detect axial load loaded on the slewing bearing device. In an alternative embodiment, a thrust ball bearing is arranged between the first pressing plate and the detecting piece, a sinking groove is arranged on the end face of the first pressing plate, and the thrust ball bearing is clamped in the sinking groove. In an alternative embodiment, a mounting seat is arranged between the thrust ball bearing and the detecting piec