CN219369131U - Performance testing device for large megawatt single-tile sliding main bearing - Google Patents
Performance testing device for large megawatt single-tile sliding main bearing Download PDFInfo
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- CN219369131U CN219369131U CN202320455949.5U CN202320455949U CN219369131U CN 219369131 U CN219369131 U CN 219369131U CN 202320455949 U CN202320455949 U CN 202320455949U CN 219369131 U CN219369131 U CN 219369131U
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Abstract
The utility model discloses a performance testing device for a large megawatt single-watt sliding main bearing, which comprises a testing table, a protection assembly and a positioning assembly. According to the large megawatt single-tile sliding main bearing performance testing device, the protective cover is movably arranged at the front part of the stud at the lower end of the testing motor, when the lifting cylinder drives the power shaft to move downwards to perform performance testing on the testing bearing, the protective cover is pressed downwards to move, the protective cover is sleeved outside the testing bearing at the upper end of the testing table, safety protection is performed on the testing bearing in testing, safety in testing is improved, the positioning column is arranged in the central hole of the testing table and is mainly used for quick positioning and mounting of the testing bearing so as to optimize the setting of a protection component, the problem of inconvenient quick mounting of the testing bearing is caused, and the positioning column is flexibly adjusted in a telescopic manner due to the arrangement of the second spring at the bottom of the positioning column, so that normal testing of the testing bearing is not influenced.
Description
Technical Field
The utility model relates to the technical field of bearing manufacturing, in particular to a performance testing device for a large megawatt single-watt sliding main bearing.
Background
The sliding bearing is a bearing working under sliding friction, the sliding bearing works stably and reliably without noise, the sliding surface is separated by lubricating oil without direct contact under the condition of liquid lubrication, friction loss and surface abrasion can be greatly reduced, an oil film also has certain vibration absorption capability, and the large megawatt single-watt sliding main bearing refers to a bearing used in large transmission equipment.
The existing sliding bearing performance testing device, such as the performance testing device for manufacturing a precision bearing disclosed in publication number CN209027793U, has the advantage of being capable of being used for one machine for different types of bearings, but the bearing performance testing device is inconvenient to protect the bearing under test in the bearing testing process, and further easily causes safety problems after separation due to too high rotating speed in the bearing testing process.
Disclosure of Invention
The utility model mainly aims to provide a large megawatt single-tile sliding main bearing performance testing device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a big megawatt list tile sliding main bearing capability test device, includes testboard, protective component and locating component, the testboard includes testboard upper end fixed mounting's lift cylinder, lift cylinder upper end driven test motor and test motor bottom driven power shaft that is used for the test, protective component includes the protection casing that test motor bottom power shaft outer end activity cover was established to and the protection casing top runs through the round hole of seting up with power shaft assorted, the rear portion of protection casing still welds the engaging lug that inside was equipped with the through-hole, concave hole has still been seted up to the undercut in the testboard of engaging lug lower extreme, concave hole bottom central part department still runs through and has seted up the screw hole.
Preferably, the protection assembly further comprises a stud fixedly arranged at the upper end of the connecting lug in the threaded hole at the bottom, and a first spring movably sleeved at the outer end of the stud in the concave hole.
Preferably, the protection component further comprises a notch formed in the center of the bottoms of the side walls of the two sides of the protection cover, and an observation window used for observation and arranged at the front end of the protection cover.
Preferably, the protection assembly further comprises an electric push rod fixedly installed on two sides of the upper end of the test board and clamping pieces driven by the front ends of the electric push rod.
Preferably, the positioning assembly comprises a central hole penetrating through the center of the upper end of the test bench and a positioning column movably mounted at the bottom of the central hole, and a test bearing is further sleeved on the positioning column at the upper part of the central hole.
Preferably, the positioning assembly further comprises a baffle plate of a disc structure welded at the lower end of the positioning column, and a fixing frame fixedly installed at the bottom of the test table and used for binding the positioning column, and a second spring is movably sleeved on the positioning column between the fixing frame and the baffle plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a big megawatt list tile sliding main bearing performance test device, test motor lower extreme double-screw bolt front portion movable mounting's protection casing, can be when the lift cylinder drive power shaft moves down and carry out the performance test to the test bearing, push down the protection casing and remove simultaneously, set up the protection casing outside the test bearing of testboard upper end, carry out safety protection to the test bearing under test, in order to improve its security under test, and the electric putter at protection casing both ends also can carry out the clamp of both sides to the test bearing under test through the clamping piece of front end drive, and then strengthen its stability under test;
2. the utility model provides a big megawatt list tile sliding main bearing capability test device, the reference column of installation in the center hole of testboard center department is mainly used test bearing's quick location installation to optimize the setting of protection subassembly, cause the inconvenient swift problem of installation of test bearing, and the setting of reference column bottom No. two springs also makes the reference column possess nimble flexible regulation, thereby does not lead to the fact the influence to test bearing's normal test.
Drawings
FIG. 1 is a schematic view of the overall structure of the first embodiment of the present utility model;
FIG. 2 is another view of the present utility model;
FIG. 3 is a front view of the present utility model;
FIG. 4 is a partial side cross-sectional view of the test stand of the present utility model at the upper end of the test bearing.
Reference numerals:
100. a test bench; 101. a lifting cylinder; 102. testing a motor; 103. a power shaft;
200. a protective assembly; 201. a protective cover; 202. a round hole; 203. a connecting lug; 204. a concave hole; 205. a threaded hole; 206. a stud; 207. a first spring; 208. a notch; 209. an observation window; 210. an electric push rod; 211. a clamping piece;
300. a positioning assembly; 301. a central bore; 302. positioning columns; 303. testing a bearing; 304. a baffle; 305. a fixing frame; 306. and a second spring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Embodiment one:
as shown in fig. 1-2, this embodiment provides a performance testing device for a large megawatt single-watt sliding main bearing, including a testing bench 100, a protection component 200 and a positioning component 300, the testing bench 100 includes a lifting cylinder 101 fixedly installed at the upper end of the testing bench 100, a testing motor 102 driven by the upper end of the lifting cylinder 101, and a power shaft 103 driven by the bottom of the testing motor 102 and used for testing, the protection component 200 includes a protection cover 201 movably sleeved at the outer end of the power shaft 103 at the bottom of the testing motor 102, and a round hole 202 penetrating through the top of the protection cover 201 and matched with the power shaft 103, a connecting lug 203 with a through hole therein is welded at the rear portion of the protection cover 201, a concave hole 204 is further formed in the testing bench 100 at the right lower end of the connecting lug 203, a threaded hole 205 is further formed in the middle of the bottom of the concave hole 204, the protection component 200 further includes a stud 206 fixedly installed at the upper end of the connecting lug 203, a spring 207 movably sleeved at the outer end of the stud 206 in the concave hole 204, the protection component 200 further includes a notch 208 formed at the bottom of the side walls of the protection cover, and a front end window 201 is further provided at the front end of the protection cover for viewing the electric push rod 210, and the front end of the protection component 200 is further installed at the front end of the electric push rod 210.
Specifically, the sliding bearing is a bearing working under sliding friction, the sliding bearing has the advantages of stable, reliable and noiseless working, the large megawatt single-watt sliding main bearing is a bearing used in large transmission equipment, the bearing performance testing device is a device for testing performances such as rotating speed and heating performance of the bearing after production and manufacture are completed, the protective cover 201 movably mounted at the front part of the stud 206 at the lower end of the test motor 102 at the upper end of the test table 100 can be used for simultaneously pressing the protective cover 201 to move when the lifting cylinder 101 drives the power shaft 103 to move downwards to test the performance of the test bearing 303, the protective cover 201 is sleeved outside the test bearing 303 at the upper end of the test table 100 to perform safety protection on the test bearing 303 under test, and the electric push rods 210 at the two ends of the protective cover 201 can also clamp two sides of the test bearing 303 under test through the clamping pieces 211 driven by the front end to further enhance the stability in the test, the gaps 208 formed in the side walls at the two sides of the protective cover 201 are mainly used for matching with the electric push rods 210 at the two sides, and the observation window 209 arranged at the front end of the protective cover is mainly used for observing the bearing under test.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 3-4, the positioning assembly 300 comprises a central hole 301 penetrating through the center of the upper end of the test bench 100, a positioning column 302 movably mounted at the bottom of the central hole 301, a test bearing 303 sleeved on the positioning column 302 at the upper part of the central hole 301, a baffle 304 with a disc structure welded at the lower end of the positioning column 302, a fixing frame 305 fixedly mounted at the bottom of the test bench 100 and used for binding the positioning column 302, and a second spring 306 sleeved on the positioning column 302 between the fixing frame 305 and the baffle 304.
Specifically, the positioning column 302 movably mounted in the central hole 301 at the center of the test bench 100 is mainly used for quick positioning and mounting of the test bearing 303 so as to optimize the setting of the protection assembly 200, so that the problem of inconvenient quick mounting of the test bearing 303 is caused, and the setting of the No. two springs 306 between the bottom of the positioning column 302 and the fixing frame 305 also enables the positioning column 302 in the central hole 301 to have flexible telescopic adjustment, so that the normal test of the test bearing 303 is not influenced.
The working principle and the using flow of the utility model are as follows:
before testing the test bearing 303, the test bearing 303 is positioned and sleeved outside the positioning column 302 at the upper end of the central hole 301, after the positioning and mounting of the bearing 303 to be tested are completed, the electric push rods 210 at the two sides of the upper end of the test platform 100 are started again, so that the electric push rods 210 drive the clamping pieces 211 at the front end, the test bearing 303 sleeved outside the positioning column 302 is clamped, after the bearing 303 to be tested is clamped and fixed, the lifting cylinder 101 at the upper end of the test platform 100 is started again, after the lifting cylinder 101 is started, the test motor 102 at the upper end is driven to move downwards, when the test motor 102 moves downwards, the protective cover 201 at the bottom of the test motor 102 is pressed, under the constraint of the rear stud 206, the power shaft 103 at the bottom of the test motor 102 moves downwards along with the synchronous movement of the test motor 102, the positioning column 302 in the central position of the test bearing 303 is compressed, the positioning column 302 in the central position of the central hole 301 of the test bearing 303 is compressed, after the power shaft 103 moves to the center of the test bearing 303, the protective cover 201 at the bottom of the test motor 102 is sleeved on the central position of the test bearing 303, and the test motor 103 is driven to rotate at the moment, and the test shaft 101 passes through the outer end of the test bearing, and the test shaft is driven to rotate, and the test performance of the test motor 102 is tested, and the test shaft is driven, and the test shaft is tested, and the test performance can be tested.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a big megawatt list tile sliding main bearing performance testing arrangement, includes testboard (100), protection component (200) and locating component (300), testboard (100) are including elevating cylinder (101), elevating cylinder (101) upper end fixed mounting's of testboard (100) test motor (102) and test motor (102) bottom driven is used for power shaft (103) of test, a serial communication port, protection component (200) are including test motor (102) bottom power shaft (103) outer end movable sleeve's protection casing (201) to and protection casing (201) top run through offer with power shaft (103) assorted round hole (202), the rear portion of protection casing (201) still welds in inside coupling lug (203) that are equipped with the through-hole, concave traphole (204) have still been seted up to the undercut in testboard (100) just under coupling lug (203), threaded hole (205) have still been run through to concave traphole (204) bottom central authorities.
2. The performance testing device for the large megawatt single-watt sliding main bearing according to claim 1, wherein the protection assembly (200) further comprises a stud (206) fixedly installed in the threaded hole (205) at the bottom of the connecting lug (203), and a first spring (207) movably sleeved at the outer end of the stud (206) in the concave hole (204).
3. The performance testing device for the large megawatt single-watt sliding main bearing according to claim 1, wherein the protection assembly (200) further comprises a notch (208) formed in the center of the bottoms of the side walls of the two sides of the protection cover (201), and an observation window (209) for observation is formed at the front end of the protection cover (201).
4. The performance testing device for the large megawatt single-watt sliding main bearing according to claim 1, wherein the protection assembly (200) further comprises an electric push rod (210) fixedly installed on two sides of the upper end of the test bench (100), and clamping pieces (211) driven by the front ends of the electric push rod (210).
5. The device for testing the performance of the large megawatt single-watt sliding main bearing according to claim 1, wherein the positioning assembly (300) comprises a central hole (301) penetrating through the center of the upper end of the test bench (100), and a positioning column (302) movably installed at the bottom of the central hole (301), and a test bearing (303) is further sleeved on the positioning column (302) at the upper part of the central hole (301).
6. The large megawatt single-watt sliding main bearing performance testing device according to claim 1, wherein the positioning assembly (300) further comprises a baffle plate (304) with a disc structure welded at the lower end of the positioning column (302), and a fixing frame (305) fixedly installed at the bottom of the testing table (100) and used for binding the positioning column (302), and a second spring (306) is further movably sleeved on the positioning column (302) between the fixing frame (305) and the baffle plate (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455949.5U CN219369131U (en) | 2023-03-10 | 2023-03-10 | Performance testing device for large megawatt single-tile sliding main bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455949.5U CN219369131U (en) | 2023-03-10 | 2023-03-10 | Performance testing device for large megawatt single-tile sliding main bearing |
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| CN219369131U true CN219369131U (en) | 2023-07-18 |
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| CN202320455949.5U Active CN219369131U (en) | 2023-03-10 | 2023-03-10 | Performance testing device for large megawatt single-tile sliding main bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030256A (en) * | 2023-08-18 | 2023-11-10 | 南通市嘉诚机械有限公司 | Sealing type testing device for automobile bearing component |
-
2023
- 2023-03-10 CN CN202320455949.5U patent/CN219369131U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030256A (en) * | 2023-08-18 | 2023-11-10 | 南通市嘉诚机械有限公司 | Sealing type testing device for automobile bearing component |
| CN117030256B (en) * | 2023-08-18 | 2024-04-19 | 南通市嘉诚机械有限公司 | Sealing type testing device for automobile bearing component |
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