CN209624055U - A kind of rolling bearing fault mutative scale testing stand - Google Patents
A kind of rolling bearing fault mutative scale testing stand Download PDFInfo
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- CN209624055U CN209624055U CN201920375080.7U CN201920375080U CN209624055U CN 209624055 U CN209624055 U CN 209624055U CN 201920375080 U CN201920375080 U CN 201920375080U CN 209624055 U CN209624055 U CN 209624055U
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- bearing
- pedestal
- testing stand
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Abstract
The utility model relates to a kind of rolling bearing fault mutative scale testing stands, including testing stand pedestal and the variable-frequency motor being arranged on testing stand pedestal, gearbox, Split bearing pedestal one, Split bearing pedestal two, variable-frequency motor, gearbox, Split bearing pedestal one, Split bearing pedestal two is connect by bolt with testing stand pedestal, it is spaced between Split bearing pedestal one and Split bearing pedestal two and coaxially arranged, normal rolling bearing is installed in Split bearing pedestal one, faulty bearing is installed in Split bearing pedestal two, transmission main shaft is connected between normal rolling bearing and faulty bearing, measure speed gears and load bearings are provided on transmission main shaft, between transmission main shaft and gearbox, it is connected by yielding coupling between gearbox and variable-frequency motor；The utility model realizes the variation of test size, while realizing the fast assembling-disassembling of faulty bearings, improves the efficiency of test verifying by the way that measure speed gears are arranged on transmission main shaft.
Description
[technical field]
The utility model relates to bearing fault the field of test technology, specifically a kind of rolling bearing fault mutative scale examination
Test platform.
[background technique]
The fault diagnosis of rolling bearing is one of emphasis of mechanical fault diagnosis, is contained in mechanical oscillation caused by bearing fault
There is characteristic frequency, and characteristic frequency is determined by bearing arrangement, mounting structure, rotation speed etc..For test bearing, itself knot
Structure and mounting structure are fixed, and rotation speed is often to change, and can not determine characteristic frequency.
[utility model content]
The purpose of this utility model seeks to solve above-mentioned deficiency and provide a kind of rolling bearing fault mutative scale test
Platform, can be realized the variation of test size, while realize the fast assembling-disassembling of faulty bearings, improve the efficiency of test verifying.
It designs a kind of rolling bearing fault mutative scale testing stand to achieve the above object, including testing stand pedestal 1 and sets
Set variable-frequency motor 2, gearbox 3, Split bearing pedestal 1, Split bearing pedestal 25 on testing stand pedestal 1, the frequency conversion
Motor 2, gearbox 3, Split bearing pedestal 1, Split bearing pedestal 25 are connect by bolt with testing stand pedestal 1, described
Interval and coaxially arranged, installation in the Split bearing pedestal 1 between Split bearing pedestal 1 and Split bearing pedestal 25
There is normal rolling bearing 13, faulty bearing 14, the normal rolling bearing 13 are installed in the Split bearing pedestal 25
It is connected with transmission main shaft 6 between faulty bearing 14, is provided with measure speed gears 8 and load bearings on the transmission main shaft 6
9, it is connected by yielding coupling 7 between the transmission main shaft 6 and gearbox 3, between gearbox 3 and variable-frequency motor 2.
Further, between the testing stand pedestal 1 and load bearings 9 be arranged Minitype jack 12, weighing sensor 11,
V-block 10 is loaded, velocity sensor 15 is arranged in 8 side of measure speed gears.
Further, the Split bearing pedestal 25 includes bearing block base 101, bearing block upper cover 102 and end cap
103, on bearing block base 101, the faulty bearing 14 is arranged in axis 102 detachable connection of bearing block upper cover
It holds between a pedestal 101 and bearing block upper cover 102,14 end of faulty bearing is provided with end cap 103, the end cap
103 detachable connections are in bearing block base 101, bearing block upper cover 102.
Further, acceleration transducer peace is provided at right above the bearing block upper cover 102 and 45 ° of positions three in left and right
Hole is filled, the acceleration transducer mounting hole is for installing acceleration transducer.
The utility model is compared with the existing technology, structure novel, simple, and rationally, which passes through leads in transmission for design
Measure speed gears are set on axis, provides tach signal for test sensor, finally realizes the variation of test size；Meanwhile it is very heavy
Top applies active force to main shaft by components such as load bearings, load V-blocks, and it is radial can to eliminate normal bearing, faulty bearings
Clearance improves the accuracy of test data；In addition, rolling bearing fault mutative scale testing stand described in the utility model is realized
The fast assembling-disassembling of bearing improves the efficiency of test verifying, is worthy of popularization.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the exploded view of the utility model；
Fig. 3 is the cross-sectional view of Split bearing pedestal two in the utility model；
In figure: 1, testing stand pedestal 2, variable-frequency motor 3, gearbox 4, Split bearing pedestal 1, Split bearing pedestal
26, transmission main shaft 7, yielding coupling 8, measure speed gears 9, load bearings 10, load V-block 11, weighing sensor
12, Minitype jack 13, normal rolling bearing 14, faulty bearing 15, velocity sensor 101, bearing block base
102, bearing block upper cover 103, bearing cover.
[specific embodiment]
The utility model is made with reference to the accompanying drawing further explained below:
As shown in the picture, the utility model includes: testing stand pedestal 1 and the variable-frequency electric that is arranged on testing stand pedestal 1
Machine 2, gearbox 3, Split bearing pedestal 1, Split bearing pedestal 25, variable-frequency motor 2, gearbox 3, Split bearing pedestal one
4, Split bearing pedestal 25 is connect by bolt with testing stand pedestal 1, Split bearing pedestal 1 and Split bearing pedestal 25
Between be spaced and coaxially arranged, normal rolling bearing 13 is installed, peace in Split bearing pedestal 25 in Split bearing pedestal 1
Equipped with faulty bearing 14, transmission main shaft 6, transmission main shaft are connected between normal rolling bearing 13 and faulty bearing 14
Measure speed gears 8 and load bearings 9 are provided on 6, between transmission main shaft 6 and gearbox 3, between gearbox 3 and variable-frequency motor 2
Connected by yielding coupling 7, between testing stand pedestal 1 and load bearings 9 be arranged Minitype jack 12, weighing sensor 11,
V-block 10 is loaded, velocity sensor 15 is arranged in 8 side of measure speed gears.
Wherein, jack applies active force to transmission main shaft by components such as load bearings, load V-blocks, eliminates normal
Bearing, faulty bearings radial internal clearance, improve the accuracy of test data；It is further arranged to through pressure sensor and display
Scene load is shown and is recorded, provides data for analysis of experiments；Split bearing pedestal 25 includes bearing block base 101, bearing block
Upper cover 102 and end cap 103,102 detachable connection of bearing block upper cover is on bearing block base 101, faulty bearing 14
It is arranged between bearing block base 101 and bearing block upper cover 102,14 end of faulty bearing is provided with end cap 103, end cap
103 detachable connections are installed in bearing block base 101, bearing block upper cover 102 by the disassembly to upper cover and end cap, can
The quick-replaceable for realizing faulty bearings, without the disassembly to components such as normal bearing and main shafts, that is, in replacement faulty bearing
When 14, it is only necessary to bearing block upper cover 102 and end cap 103 are removed, to realize the fast assembling-disassembling of faulty bearings；Bearing block upper cover
102 are provided with acceleration transducer mounting hole at the 45 ° of positions three in surface and left and right, and acceleration transducer mounting hole is for pacifying
Acceleration transducer is filled, to install detection bearing fault.
The utility model is simultaneously not limited to the embodiments described above, and other any spirit without departing from the utility model are real
Made changes, modifications, substitutions, combinations, simplifications under matter and principle, should be equivalent substitute mode, be included in practical
Within novel protection scope.
Claims (4)
1. a kind of rolling bearing fault mutative scale testing stand, it is characterised in that: tested including testing stand pedestal (1) and setting
Variable-frequency motor (2), gearbox (3), Split bearing pedestal one (4), Split bearing pedestal two (5) on platform pedestal (1), the change
Frequency motor (2), gearbox (3), Split bearing pedestal one (4), Split bearing pedestal two (5) pass through bolt and testing stand pedestal
(1) it connects, interval and coaxially arranged, the dissection type between the Split bearing pedestal one (4) and Split bearing pedestal two (5)
It is equipped with normal rolling bearing (13) in bearing block one (4), faulty bearing is installed in the Split bearing pedestal two (5)
(14), transmission main shaft (6), the transmission main shaft are connected between the normal rolling bearing (13) and faulty bearing (14)
(6) measure speed gears (8) and load bearings (9) are provided on, between the transmission main shaft (6) and gearbox (3), gearbox (3)
It is connect by yielding coupling (7) between variable-frequency motor (2).
2. rolling bearing fault mutative scale testing stand as described in claim 1, it is characterised in that: the testing stand pedestal (1)
Minitype jack (12), weighing sensor (11), load V-block (10), the measure speed gears are set between load bearings (9)
(8) side setting velocity sensor (15).
3. rolling bearing fault mutative scale testing stand as claimed in claim 1 or 2, it is characterised in that: the divided bearing
Two (5) of seat include bearing block base (101), bearing block upper cover (102) and end cap (103), and the bearing block upper cover (102) can
It is detachably connected on bearing block base (101), the faulty bearing (14) is arranged in bearing block base (101) and bearing
Between seat upper cover (102), faulty bearing (14) end is provided with end cap (103), and the end cap (103) is detachable
It is connected to bearing block base (101), in bearing block upper cover (102).
4. rolling bearing fault mutative scale testing stand as claimed in claim 3, it is characterised in that: the bearing block upper cover
(102) acceleration transducer mounting hole is provided with right above and at the 45 ° of positions three in left and right, the acceleration transducer mounting hole is used
In installation acceleration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920375080.7U CN209624055U (en) | 2019-03-24 | 2019-03-24 | A kind of rolling bearing fault mutative scale testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920375080.7U CN209624055U (en) | 2019-03-24 | 2019-03-24 | A kind of rolling bearing fault mutative scale testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624055U true CN209624055U (en) | 2019-11-12 |
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ID=68457536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920375080.7U Active CN209624055U (en) | 2019-03-24 | 2019-03-24 | A kind of rolling bearing fault mutative scale testing stand |
Country Status (1)
| Country | Link |
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| CN (1) | CN209624055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811817A (en) * | 2020-07-15 | 2020-10-23 | 合肥工业大学 | High-precision fluid dynamic pressure sliding bearing comprehensive performance test platform |
-
2019
- 2019-03-24 CN CN201920375080.7U patent/CN209624055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811817A (en) * | 2020-07-15 | 2020-10-23 | 合肥工业大学 | High-precision fluid dynamic pressure sliding bearing comprehensive performance test platform |
| CN111811817B (en) * | 2020-07-15 | 2022-07-12 | 合肥工业大学 | High-precision fluid dynamic pressure sliding bearing comprehensive performance test platform |
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