Deep groove ball bearing service life testing machine

Abstract

The utility model provides a deep groove ball bearing service life testing machine, relates to the technical field of bearing service life testing devices, and aims to solve the problems that the actual rotating speed of a deep groove bearing cannot be accurately simulated, the operation condition of the bearing at a high temperature cannot be simulated, and the influence of the high temperature on the service life of the bearing cannot be researched. Comprising a bearing bottom frame, a bearing sleeve shaft, a shielding carrying frame and a bearing support. An assembling support frame is arranged at the top of the bearing bottom frame, and a rotating shaft seat is arranged on the inner side of the assembling support frame; the bearing sleeve shaft is arranged at the top of the assembling clamping block; the shielding carrying frame is arranged at the top of the assembly supporting frame, a rotating carrying groove is formed in the side face of the shielding carrying frame, and a closed top frame is arranged on the inner side of the shielding carrying frame. The bearing support is arranged on the inner side of the mounting open groove, and an assembling sliding groove is formed in the inner side of the bearing support. The sliding supporting column supports the heating wire and is arranged on the top of the bearing sleeve shaft, the test motor cooperates with the threaded supporting shaft to drive the bearing sleeve shaft to support the bearing to rotate, and the bearing is tested through heating of the heating wire and supporting rotation of the bearing sleeve shaft.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bearing life testing device, more particularly, it is especially related to deep groove ball bearing life tester. BACKGROUND

[0002] In modern industrial production, deep groove bearings, as a kind of widely used mechanical parts, the quality and performance of which directly affect the stability, reliability and service life of mechanical equipment, are widely used in many fields such as automobile manufacturing, motor production, precision machine tools, aerospace, engineering machinery, etc., for example, the crankshaft of automobile engine, gearbox, rotor support of motor, main shaft of machine tool and other key parts will use deep groove bearings, in these application scenarios, deep groove bearings need to bear various complex loads, including radial load, axial load and their combined action, and also need to adapt to different rotating speed, temperature, lubrication condition and other working environment.

[0003] Based on the above, the actual rotating speed of the deep groove bearing cannot be accurately simulated at present, which affects the evaluation of its high-speed performance and life, the running condition of the bearing at high temperature cannot be simulated, the influence of high temperature on the life of the bearing cannot be studied, and in actual application, temperature is one of the key factors affecting the life of the deep groove bearing, too high temperature may cause problems such as performance degradation of bearing material, lubrication failure, and thus shorten the life of the bearing. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the deep groove ball bearing life tester provided by the utility model solves the problem that the actual rotating speed of the deep groove bearing cannot be accurately simulated, which affects the evaluation of its high-speed performance and life, the running condition of the bearing at high temperature cannot be simulated, the influence of high temperature on the life of the bearing cannot be studied, and in actual application, temperature is one of the key factors affecting the life of the deep groove bearing, too high temperature may cause problems such as performance degradation of bearing material, lubrication failure, and thus shorten the life of the bearing.

[0005] The deep groove ball bearing life tester of the utility model is achieved by the following specific technical means:

[0006] The core components of the deep groove ball bearing life tester include the following parts: a bearing bottom frame, a bearing sleeve shaft, a shielding load frame and a bearing support;

[0007] The assembly supporting frame is provided with a rotating shaft seat fixedly arranged on the inner side of the assembly supporting frame, a threaded supporting shaft is rotatably arranged on the inner side of the rotating shaft seat, and an assembly clamping block is fixedly arranged on the top end of the threaded supporting shaft.

[0008] Further, the supporting side frame is fixedly arranged on the outer side of the bearing bottom frame, and the test motor is fixedly arranged on the inner side of the bearing bottom frame.

[0009] Further, the bearing sleeve shaft is further provided with a first supporting frame, a second supporting frame and a positioning plug block fixedly arranged on the outer side of the bearing sleeve shaft.

[0010] Further, the rotating load groove is further provided with a shielding side frame and a closing clamping groove arranged on the inner side of the rotating load groove.

[0011] Further, the assembly supporting frame is further provided with a locking supporting block and a closing bottom frame fixedly arranged on the side surface and the top of the assembly supporting frame.

[0012] Further, the assembly sliding groove is further provided with a sliding supporting column, a heating wire, an assembly sleeve groove and a limiting sleeve block arranged on the inner side of the assembly sliding groove.

[0013] The deep groove ball bearing life tester has the following beneficial effects:

[0014] The bearing bottom frame, the bearing sleeve shaft, the shielding load frame and the bearing support are arranged, and the following optimization effects are achieved:

[0015] High-efficiency flexible assembly fixing: the precise matching structure of assembly clamping blocks and assembly clamping grooves is adopted to realize quick and accurate plug-in assembly of the bearing test machine, the locking mechanism of the threaded sleeve and the threaded support shaft is matched, different specifications and sizes of the bearing support shaft can be stably assembled, the adaptation capability of the equipment to various types of bearings is greatly improved, and the universality and assembly efficiency of the equipment are significantly enhanced;

[0016] Reliable bearing support fixing: the first support frame and the second support frame are used for double fixing and clamping of the bearing, and the accurate plug-in assembly of the positioning plug and the positioning support frame ensures the stable positioning of the second support frame, the combined support structure can reliably sleeve the bearing outside the bearing support shaft, provides a stable support basis for the bearing test, and effectively reduces the errors caused by the shaking of the bearing during the test process;

[0017] Perfect protection and test environment construction: the shielding load frame and the shielding side frame form a closed shielding structure, which can effectively prevent foreign matter from invading during the test process and protect the test bearing from external interference, meanwhile, the sliding support column can flexibly adjust the position of the heating wire, so that the heating wire is accurately arranged at the top of the bearing support shaft, and the bearing support shaft and the bearing are driven by the threaded support shaft of the test motor to rotate at high speed and stably, so that the simulation test of the bearing under different temperature and rotating speed working conditions is realized, and a perfect test environment for comprehensively and truly evaluating the service life of the bearing is provided;

[0018] Precise controllable test condition simulation: the test temperature is accurately controlled through the heating wire, and the rotating speed of the bearing support shaft is accurately adjusted through the test motor, so that the actual running state of the deep groove bearing under various complex working conditions can be simulated, the influence law of temperature, rotating speed and other factors on the service life of the bearing can be accurately researched, and scientific and reliable test data support is provided for the performance optimization and quality detection of the bearing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structure schematic view of the test machine whole part assembly setting storage of the utility model;

[0020] Figure 2 is a structure schematic view of the test machine whole part assembly setting unfolding of the utility model;

[0021] Figure 3 is a structure schematic view of the bearing support frame whole part assembly split setting of the utility model;

[0022] Figure 4 is a structure schematic view of the bearing support shaft whole part assembly split setting of the utility model;

[0023] Figure 5 is a structure schematic view of the shielding load frame whole part assembly split setting of the utility model;

[0024] Figure 6This is a structural diagram showing the assembly and disassembly of the load-bearing support component of this utility model.

[0025] Figure label:

[0026] 1. Supporting base frame;

[0027] 101. Support side frame; 102. Test motor; 103. Assembly support frame; 104. Locking block; 105. Enclosed bottom frame; 106. Rotating shaft seat; 107. Threaded support shaft; 108. Assembly clamp;

[0028] 2. Bearing sleeve shaft;

[0029] 201. Assembly slot; 202. Locking ring; 203. Threaded sleeve; 204. First support frame; 205. Second support frame; 206. Positioning block;

[0030] 3. Obstructing the frame;

[0031] 301. Rotate the carrier slot; 302. Close the top frame; 303. Install the slot; 304. Lock the carrier block; 305. Lock the bolts; 306. Position the support frame; 307. Cover the side frame; 308. Close the slot;

[0032] 4. Bearing supports;

[0033] 401. Assembly slide; 402. Installation support plate; 403. Control device; 404. Sliding support column; 405. Heating wire; 406. Assembly matching groove; 407. Limiting sleeve block. Detailed Implementation

[0034] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0035] Example 1: As Figures 1 to 6 As shown, the deep groove ball bearing life testing machine provided by this utility model includes a bearing base frame 1, a bearing sleeve shaft 2, a shielding frame 3, and a bearing support 4;

[0036] An assembly support frame 103 is fixedly installed on the top of the load-bearing base frame 1. A rotating shaft seat 106 is fixedly installed inside the assembly support frame 103. A threaded support shaft 107 is rotatably installed inside the rotating shaft seat 106. An assembly clamping block 108 is fixedly installed at the top of the threaded support shaft 107. A load-bearing sleeve shaft 2 is installed on the top of the assembly clamping block 108. An assembly groove 201 is opened at the bottom of the load-bearing sleeve shaft 2. A locking pressure ring 202 is fixedly sleeved on the outside of the load-bearing sleeve shaft 2. A threaded sleeve 203 is sleeved on the outside of the load-bearing sleeve shaft 2. A shielding frame 3 is installed on the top of the assembly support frame 103. The side of the shielding frame 3 is opened. A rotating carrier groove 301 is provided. A closed top frame 302 is fixedly installed inside the shielding frame 3. An installation slot 303 is opened on the top of the shielding frame 3. A locking block 304 is fixedly installed on the side of the shielding frame 3. A locking bolt 305 is provided inside the locking block 304. A positioning support frame 306 is fixedly installed on the side of the shielding frame 3. A bearing support 4 is fixedly installed inside the installation slot 303. An assembly slide groove 401 is opened inside the bearing support 4. An installation support plate 402 is opened on the top of the bearing support 4. A control device 403 is fixedly installed on the side of the installation support plate 402.

[0037] Example 2: Figures 2 to 6 As shown, the side of the assembly support frame 103 is also provided with a locking block 104 and a closed bottom frame 105; the locking block 104 is fixedly installed on the side of the assembly support frame 103, and the closed bottom frame 105 is fixedly installed on the top of the assembly support frame 103; the inner side of the assembly slide 401 is also provided with a sliding support column 404, a heating wire 405, an assembly groove 406, and a limiting sleeve 407; the sliding support column 404 is slidably installed on the inner side of the assembly slide 401, the heating wire 405 is installed at the bottom end of the sliding support column 404, the assembly groove 406 is sleeved on the outer side of the assembly slide 401, and the limiting sleeve 407 is sleeved on the outer side of the assembly groove 406; the heating wire 405 is supported by the sliding support column 404 and installed on the top of the bearing sleeve shaft 2, so that the heating wire 405 can test heat the bearings carried by the first support frame 204 and the second support frame 205.

[0038] Example 3: Figures 2 to 6As shown, a support side frame 101 and a test motor 102 are also provided on the side of the bearing base frame 1; the support side frame 101 is fixedly installed on the outside of the bearing base frame 1, and the test motor 102 is fixedly installed on the inside of the bearing base frame 1; a first support frame 204, a second support frame 205 and a positioning block 206 are also fixedly installed on the outside of the bearing sleeve shaft 2; the first support frame 204 and the second support frame 205 are sleeved on the outside of the bearing sleeve shaft 2, and the positioning block 206 is fixedly installed on the side of the second support frame 205; a shielding side frame 307 and a closing slot 308 are also provided on the inside of the rotating carrier groove 301; the shielding side frame 307 is rotatably installed on the inside of the rotating carrier groove 301, and the closing slot 308 is opened at both ends of the shielding side frame 307; the bearing to be tested can be fixedly assembled by the first support frame 204 and the second support frame 205, so that the bearing is stably sleeved on the outside of the bearing sleeve shaft 2.

[0039] The specific usage and function of this embodiment are as follows: In use, the threaded support shaft 107 and the assembly clamp 108 are used to fix and assemble the bearing sleeve shaft 2 of appropriate size. The first support frame 204 and the second support frame 205 are used to fix and clamp the bearing. The positioning insert 206 and the positioning support frame 306 are used to fix and insert the second support frame 205, so that the first support frame 204 and the second support frame 205 support the bearing sleeve on the outside of the bearing sleeve shaft 2. The shielding frame 3 and the shielding side frame 307 seal and shield the bearing. At the same time, the sliding support column 404 supports the heating wire 405 set on the top of the bearing sleeve shaft 2. The test motor 102 and the threaded support shaft 107 drive the bearing sleeve shaft 2 to rotate. The bearing is tested by heating the heating wire 405 and supporting the rotation of the bearing sleeve shaft 2.

Claims

1. Deep groove ball bearing life testing machine, mainly including the following components: bearing base frame (1), bearing sleeve shaft (2), shielding frame (3) and bearing support (4); The top of the bearing base frame (1) is fixedly provided with an assembly support frame (103), the inner side of the assembly support frame (103) is fixedly provided with a rotating shaft seat (106), the inner side of the rotating shaft seat (106) is rotatably provided with a threaded support shaft (107), and the top of the threaded support shaft (107) is fixedly provided with an assembly clip (108); characterized in that, The bearing sleeve shaft (2) is located on the top of the assembly block (108). An assembly slot (201) is provided at the bottom of the bearing sleeve shaft (2). A locking pressure ring (202) is fixedly sleeved on the outside of the bearing sleeve shaft (2). A threaded sleeve (203) is sleeved on the outside of the bearing sleeve shaft (2). The shielding frame (3) is located on the top of the assembly support frame (103). A rotating loading groove (301) is provided on the side of the shielding frame (3). A closed top frame (302) is fixedly installed on the inside of the shielding frame (3). An installation groove is provided on the top of the shielding frame (3). A slot (303) is provided, a locking block (304) is fixedly provided on the side of the shielding frame (3), a locking bolt (305) is provided on the inner side of the locking block (304), and a positioning support frame (306) is fixedly provided on the side of the shielding frame (3); the bearing support (4) is fixedly provided on the inner side of the installation slot (303), an assembly slide groove (401) is provided on the inner side of the bearing support (4), an installation support plate (402) is provided on the top of the bearing support (4), and a control device (403) is fixedly provided on the side of the installation support plate (402).

2. The deep groove ball bearing life testing machine according to claim 1, characterized in that, The support frame (1) is also provided with a support side frame (101) and a test motor (102) on the side; the support side frame (101) is fixedly set on the outside of the support frame (1), and the test motor (102) is fixedly set on the inside of the support frame (1).

3. The deep groove ball bearing life testing machine according to claim 1, characterized in that, The outer side of the bearing sleeve shaft (2) is also provided with a first support frame (204), a second support frame (205) and a positioning block (206); the first support frame (204) and the second support frame (205) are sleeved on the outer side of the bearing sleeve shaft (2), and the positioning block (206) is fixedly set on the side of the second support frame (205).

4. The deep groove ball bearing life testing machine according to claim 1, characterized in that, The inner side of the rotating carrier groove (301) is also provided with a shielding side frame (307) and a closing slot (308); the shielding side frame (307) is rotatably disposed inside the rotating carrier groove (301), and the closing slot (308) is opened at both ends of the shielding side frame (307).

5. The deep groove ball bearing life testing machine according to claim 1, characterized in that, The assembly support frame (103) is also provided with a locking block (104) and a closed bottom frame (105) on its side; the locking block (104) is fixedly provided on the side of the assembly support frame (103), and the closed bottom frame (105) is fixedly provided on the top of the assembly support frame (103).

6. The deep groove ball bearing life testing machine according to claim 1, characterized in that, The inner side of the assembly slide (401) is also provided with a sliding support (404), a heating wire (405), an assembly groove (406), and a limiting sleeve (407); the sliding support (404) is slidably disposed inside the assembly slide (401), the heating wire (405) is disposed at the bottom end of the sliding support (404), the assembly groove (406) is sleeved on the outside of the assembly slide (401), and the limiting sleeve (407) is sleeved on the outside of the assembly groove (406).

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