CN209459899U - A kind of elevator traction sheave external tooth bearing tester - Google Patents
A kind of elevator traction sheave external tooth bearing tester Download PDFInfo
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- CN209459899U CN209459899U CN201920023893.XU CN201920023893U CN209459899U CN 209459899 U CN209459899 U CN 209459899U CN 201920023893 U CN201920023893 U CN 201920023893U CN 209459899 U CN209459899 U CN 209459899U
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- external tooth
- dead axle
- bearing
- tooth bearing
- hollow dead
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Abstract
A kind of elevator traction sheave external tooth bearing tester, including rack, for being set with the hollow dead axle of the inner ring of external tooth bearing, the cantilever shaft of the outer ring rotating of external tooth bearing is set and driven for card, radial loading device for the radially excircle of extruded hollow dead axle, for along the axial loading device for compressing axially hollow end face of the dead axle far from cantilever shaft side, and the measuring device for measuring and transmitting external tooth bearing operation data, hollow dead axle and cantilever shaft are that horizontally disposed and axis is overlapped, cantilever shaft is equipped with close to one end of hollow dead axle for blocking the internal tooth ring set for setting external tooth bearing outer ring, cantilever shaft is set with belt pulley far from one end of hollow dead axle, cantilever shaft is driven to rotate by V belt translation for power supply machine, it is held so as to tooth shaft external while driving the rotation of external tooth bearing and applies axial load and diameter To load, and the service data of external tooth bearing is detected, so that external tooth shaft, which is held, carries out quick, real-time and accurate detection.
Description
Technical field
The utility model relates to bearing test field more particularly to a kind of elevator traction sheave external tooth bearing testers.
Background technique
External tooth bearing refers to the bearing that the outer ring of bearing is directly processed into gear, i.e., by gear and bearing machining at one
Body formula structure, is simplified gear-driven structure, can satisfy some fields to gear-driven space requirement relatively narrower
It closes, so being widely applied in elevator traction wheel apparatus.The safety of elevator traction sheave to the safe handling of elevator extremely
Close it is important, so also higher to the performance requirement of external tooth bearing used in elevator traction sheave, it is on the one hand being held for external tooth shaft plus
Work is more demanding, and the testing requirements that on the other hand externally tooth shaft is held are also higher.Since the traction wheel apparatus of elevator is more special
Working environment makes elevator traction sheave external tooth bearing need in heavy duty, low speed, outer ring Double-directional rotary, guarantee lubrication sealing and reduction
Guarantee safe and stable operation under the more harsh conditions of starting and stopping vibration.Currently, external tooth bearing performance and fault diagnosis mostly use it is whole
Machine test or fault characteristic frequency analysis, but overall test is at high cost, and the period is long, and fault characteristic frequency, which analyzes extraneous factor, to be influenced
Greatly, testing result inaccuracy is difficult to meet in actual production external tooth shaft and holds requirement that is quick, reliably being detected, shadow
Ring the production efficiency and final product quality of external tooth bearing.
Utility model content
The purpose of the utility model is to provide a kind of elevator traction sheave external tooth bearing testers, can overcome existing outer
Tooth shaft holds the defect of detection method, holds and is detected convenient for external tooth shaft.
Used technical solution is the utility model to solve above-mentioned technical problem: a kind of elevator traction sheave external tooth bearing
Testing machine, the hollow dead axle of the inner ring including rack, for being set with external tooth bearing, the outer ring for being set for card and driving external tooth bearing
The cantilever shaft of rotation compresses axially sky for the radially radial loading device of the excircle of extruded hollow dead axle, for edge
The axial loading device of end face of the heart dead axle far from cantilever shaft side and for measuring and transmitting external tooth bearing operation data
Measuring device；
The hollow dead axle and cantilever shaft are that horizontally disposed and axis is overlapped, and the radial loading device is located at external tooth
Bearing is set up on the rack far from arm pivoted side, the hollow dead axle is hanged by first spring bearing, the first support
Bearing is located at side of the radial loading device far from external tooth bearing, and the cantilever shaft is erected at by a pair of second spring bearing
In rack, cantilever shaft is equipped with close to one end of hollow dead axle for blocking the internal tooth ring set for setting external tooth bearing outer ring, cantilever shaft
One end far from hollow dead axle is set with belt pulley, drives cantilever shaft to rotate by V belt translation for power supply machine；
The internal tooth ring set includes one and sets external tooth bearing outer ring close to the flange of the end face of cantilever shaft side for blocking
Disk, is set on internal tooth sleeve and passes through bolt the internal tooth sleeve for being set on external tooth bearing and engaging with external tooth bearing outer ring
The excessive sleeve connecting with ring flange and the positioning ring by bolt and excessive sleeve connection, positioning ring are pressed on outer tooth shaft
On end face of the bearing outer-ring far from cantilever shaft side, in order to which ring flange and positioning ring cooperation card set the both ends of external tooth bearing outer ring
Face；
The radial loading device and axial loading device include the piston worn on the rack and be located at piston
Skin diaphragm far from hollow dead axle side, the axis of the piston of radial loading device intersect and vertical with the axis of hollow dead axle,
The axis of the piston of axial loading device is overlapped with the axis of hollow dead axle, and the skin diaphragm is distinguished far from the surface of piston side
With the inner wall of the side of rack with a respective pressure chamber is encircled into, flowed into for the pressure oil for film oil cylinder and make skin every
Film deformation, to make skin diaphragm be bonded with piston one end and piston is pushed to load to hollow dead axle；
The measuring device includes for detecting the infrared type temperature sensor of external tooth bearing outer ring temperature, for outside detecting
The flush type temperature sensor of tooth bearing inner race temperature and the vibrating sensor vibrated for detecting hollow dead axle, infrared type
Temperature sensor is mounted on the rack and the end face towards external tooth bearing outer ring far from cantilever shaft side, flush type temperature sensing
Device is through being plugged on the side wall of hollow dead axle and towards the inner peripheral surface of external tooth bearing inner race, and vibrating sensor is through being plugged in
Hollow dead axle is located on the side wall of same axial position with radial loading device.
Preferably, the ring flange is an integral molding structure with cantilever shaft, the axis of ring flange and the axis of positioning ring
With hang arm pivoted axis and be overlapped, the outer diameter of ring flange is greater than the outer diameter of positioning ring.
Preferably, the axis vertical setting of the piston of the radial loading device, the axis of the piston of radial loading device
With being equidistant for external tooth bearing and the first spring bearing, the bottom end of the piston of radial loading device is an extension rod, is extended
One end of bar is bonded with the excircle of hollow dead axle.
Preferably, the piston of the axial loading device is one section of arc surface close to one end of hollow dead axle, arc surface
Arc top is overlapped towards the axis of hollow dead axle and arc surface with the axis of hollow dead axle, one end of hollow dead axle be covered with one piece with
In the top plate of the piston press for axial loading device, top plate is vertical towards the side of arc surface and the axis of arc surface, so as to
The direction of active force is overlapped with the axis of hollow dead axle when arc surface squeezes top plate.
Preferably, the top plate is an integral molding structure with hollow dead axle, and the top plate is the outer of one block of plectane and top plate
Diameter is greater than the outer diameter of hollow dead axle.
Preferably, the rack includes a pedestal, three for installing first spring bearing and two the respectively
The bearing block of two spring bearings and at least two side cover plates that are connect respectively with bearing block, the piston of radial loading device and
The piston of axial loading device is threaded through respectively on respective side cover plate.
Preferably, the skin diaphragm of the radial loading device and the skin diaphragm of axial loading device are separately positioned on respective
On the outer wall of side cover plate, and matches with the inner wall for the sealing cover installed on respective side cover plate outer wall be encircled into the pressure respectively
Chamber.
Preferably, the one end of the cantilever shaft far from hollow dead axle passes through shaft coupling and a transmission axis connection, transmission
Axis passes through a pair of of third spring bearing and sets up on the rack, and the axis of transmission shaft is overlapped with arm pivoted axis is hanged, the belt
Wheel is sleeved on transmission shaft far from hanging arm pivoted one end.
According to the above technical scheme, the beneficial effects of the utility model are:
A kind of elevator traction sheave external tooth bearing tester provided by the utility model, external tooth bearing holder (housing, cover) to be detected is mounted in
On hollow dead axle, then with the outer ring for hanging arm pivoted internal tooth ring set card and setting external tooth bearing, and pass through internal tooth sleeve and external tooth bearing
Gear teeth meshing, driving cantilever shaft rotation, can simulate external tooth bearing at work unloaded rotation the case where, then use film
Oil cylinder is passed through hydraulic oil into the pressure chamber of radial loading device and axial loading device respectively, can be pushed and be lived by skin diaphragm
It fills in and pressurizes to hollow dead axle, held in actual work to simulate external tooth bearing by the load of axially and radially both direction
The dynamic situation of idling detects the temperature of bearing outer ring by infrared type temperature sensor during outer tooth shaft forwards dynamic, leads to
The temperature for crossing flush type temperature sensor detection bearing inner race, the Vibration Condition of hollow dead axle is detected by vibrating sensor, just
Can obtain the working condition of external tooth bearing, that is, detect whether external tooth bearing qualified, compared with prior art, not only cost compared with
It is low, and the external tooth shaft of energy holds and carries out quick, real-time detection, and the internal tooth sleeve by cooperating with the external tooth bearing gear teeth, makes
The rotation and load of external tooth bearing can carry out simultaneously, can accurate simulation go out the carrying working condition that tooth shaft holds, so as to
Guarantee the accuracy of testing result by ground；In the detection process, it is able to by the oil pressure of adjusting film oil cylinder or is adjusted simultaneously
Pitch diameter makes being applicable in for the utility model to axially loaded size convenient for the simulation a variety of different working conditions of external tooth bearing
Range is wider, is easy to be extended and applied.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model internal tooth ring set part；
Fig. 3 is the structural schematic diagram of the utility model radial loading device part；
Fig. 4 is the structural schematic diagram of the utility model axial loading device part.
Marked in the figure: 1, external tooth bearing, 2, hollow dead axle, 201, top plate, 3, cantilever shaft, 301, ring flange, 302, interior
Tooth sleeve, 303, excessive sleeve, 304, positioning ring, the 4, first spring bearing, the 5, second spring bearing, 6, belt pulley, 7, piston,
701, extension rod, 702, arc surface, 8, skin diaphragm, 9, pressure chamber, 10, infrared type temperature sensor, 11, flush type temperature sensing
Device, 12, vibrating sensor, 13, pedestal, 14, bearing block, 15, side cover plate, 16, sealing cover, 17, shaft coupling, 18, transmission shaft.
Specific embodiment
A kind of elevator traction sheave external tooth bearing tester, inner ring including rack, for being set with external tooth bearing 1 it is hollow fixed
Axis 2, the cantilever shaft 3 for the outer ring rotating for being set for card and driving external tooth bearing 1, for the outer of radially extruded hollow dead axle 2
The radial loading device of circumference, the axially loaded dress that hollow end face of the dead axle 2 far from 3 side of cantilever shaft is compressed axially for edge
It sets and the measuring device for measuring and transmitting 1 service data of external tooth bearing.
Referring to Fig. 1, the rack include 13, three bearing blocks 14 of a pedestal and at least two respectively with bearing block
The side cover plate 15 of 14 connections, the hollow dead axle 2 and cantilever shaft 3 are that horizontally disposed and axis is overlapped, the radial loaded
Device is located at side of the external tooth bearing 1 far from cantilever shaft 3, and the hollow dead axle 2 is mounted on by first spring bearing 4
On one bearing block 14, the first spring bearing 4 is located at side of the radial loading device far from external tooth bearing 1, the cantilever shaft 3
It is mounted on other two bearing block 14 by the second spring bearing 5 of a pair, cantilever shaft 3 is set close to one end of hollow dead axle 2
Have an internal tooth ring set that 1 outer ring of external tooth bearing is set for card, the one end of cantilever shaft 3 far from hollow dead axle 2 by shaft coupling 17 with
Piece transmission shaft 18 connects, and transmission shaft 18 passes through a pair of of third spring bearing and sets up on the rack, the axis of transmission shaft 18 and outstanding
The axis of arm shaft 3 is overlapped, and transmission shaft 18 is set with belt pulley 6 far from one end of cantilever shaft 3, is passed through band for power supply machine and is passed
It moves to drive cantilever shaft 3 to rotate, it is YVF2-160L-4 that the present embodiment, which selects motor model,.
Referring to fig. 2, the internal tooth ring set includes one and sets 1 outer ring of external tooth bearing close to 3 side of cantilever shaft for blocking
The ring flange 301 of end face, the internal tooth sleeve 302 for being set on external tooth bearing 1 and being engaged with 1 outer ring of external tooth bearing, be set in
On tooth sleeve 302 and pass through excessive sleeve 303 and connect by bolt and excessive sleeve 303 that bolt is connect with ring flange 301
The positioning ring 304 connect, positioning ring 304 is pressed on end face of 1 outer ring of external tooth bearing far from 3 side of cantilever shaft, in order to method
Blue disk 301 and the cooperation card of positioning ring 304 set the both ends of the surface of 1 outer ring of external tooth bearing, and the inner wall of internal tooth sleeve 302 offers and external tooth
The ring gear of the gear teeth meshing of bearing 1, ring flange 301 are an integral molding structure with cantilever shaft 3, the axis of ring flange 301 and
The axis of positioning ring 304 is overlapped with the axis of cantilever shaft 3, and the outer diameter of ring flange 301 is greater than the outer diameter of positioning ring 304, with
Bolt is set convenient for twisting on excessive sleeve 303.
Referring to Fig. 3 and Fig. 4, the radial loading device and axial loading device include a piston 7 and skin diaphragm 8,
The piston 7 of radial loading device and the piston 7 of axial loading device are threaded through respectively on respective side cover plate 15, radial loaded dress
The skin diaphragm 8 of the skin diaphragm 8 and axial loading device set is separately positioned on the outer wall of respective side cover plate 15, and respectively and respectively
From 15 outer wall of side cover plate on the inner wall of sealing cover 16 installed with a respective pressure chamber 9 is encircled into, for for film oil
The pressure oil of cylinder flows into and deforms skin diaphragm 8, to make skin diaphragm 8 be bonded with 7 one end of piston and push piston 7 to hollow fixed
Axis 2 loads, the film oil cylinder model RVL1-14-F-1-R-U that the present embodiment is selected, by adjusting film oil cylinder to pressure chamber 9
The oil pressure of the hydraulic oil of middle feeding is just adjustable the magnitude of load that piston 7 applies hollow dead axle 2, can adopt when adjusting oil pressure
Use decompression valve；The axis of the piston 7 of radial loading device intersects with the axis of hollow dead axle 2, the work of radial loading device
The axis vertical setting of plug 7, and the axis of the piston 7 of radial loading device is at a distance from external tooth bearing 1 and the first spring bearing 4
It is equal, so that the load for enabling the piston 7 of radial loading device to be downwardly applied to is located at hollow 2 middle part of dead axle, it can more adduction
Reason simulates the case where external tooth bearing 1 bears radial load, and the bottom end of the piston 7 of radial loading device is an extension rod
701, one end of extension rod 701 is bonded with the excircle of hollow dead axle 2, in order to hollow 2 radial loaded of dead axle；It is axially loaded
The axis of the piston 7 of device is overlapped with the axis of hollow dead axle 2, and the piston 7 of axial loading device is close to one end of hollow dead axle 2
For one section of arc surface 702, the axis of the arc top of arc surface 702 towards the axis of hollow dead axle 2 and arc surface 702 and hollow dead axle 2
Line is overlapped, and one end of hollow dead axle 2 is covered with one piece of top plate 201 for the extruding of piston 7 for axial loading device, top plate
201 are an integral molding structure with hollow dead axle 2, and top plate 201 is greater than hollow dead axle 2 for the outer diameter of one block of plectane and top plate 201
The side of outer diameter, top plate 201 towards arc surface 702 is vertical with the axis of arc surface 702, in order to which arc surface 702 squeezes top plate
The direction of active force is overlapped with the axis of hollow dead axle 2 when 201, so as to accurately guarantee that external tooth bearing 1 is held when detecting
The axial load received can be uniformly distributed along its axial direction.
Referring to Fig. 1 to Fig. 4, the measuring device includes passing for detecting the infrared type temperature of 1 outer ring temperature of external tooth bearing
It sensor 10, the flush type temperature sensor 11 for detecting 1 inner ring temperature of external tooth bearing and shakes for detecting hollow dead axle 2
Dynamic vibrating sensor 12, infrared type temperature sensor 10 are mounted on the rack and turn towards 1 outer ring of external tooth bearing far from cantilever
The end face of 3 side of axis, flush type temperature sensor 11 is through being plugged on the side wall of hollow dead axle 2 and towards in external tooth bearing 1
The inner peripheral surface of circle, vibrating sensor 12 run through be plugged in hollow dead axle 2 be located at same axial position with radial loading device
Side wall on, the inlet wire of flush type temperature sensor 11 is extended to from the inner cavity of hollow dead axle 2 where vibrating sensor 12
Hollow 2 side wall of dead axle, and be pierced by together with the inlet wire of vibrating sensor 12 from hollow 2 side wall of dead axle, it can real-time delivery external tooth
The data of bearing 1 in the detection process detect whether external tooth bearing 1 closes convenient for obtaining the working condition of external tooth bearing 1
Lattice, compared with prior art, not only cost is relatively low, but also the external tooth shaft of energy holds and carries out quick, real-time detection.
Claims (8)
1. a kind of elevator traction sheave external tooth bearing tester, it is characterised in that: including rack, for being set with external tooth bearing (1)
The hollow dead axle (2) of inner ring, the cantilever shaft (3) for the outer ring rotating for being set for card and driving external tooth bearing (1), for radially
The radial loading device of the excircle of extruded hollow dead axle (2) compresses axially hollow dead axle (2) far from cantilever shaft for edge
(3) axial loading device of the end face of side and the measuring device for measuring and transmitting external tooth bearing (1) service data；
The hollow dead axle (2) and cantilever shaft (3) are that horizontally disposed and axis is overlapped, and the radial loading device is located at outer
Tooth shaft holds the side of (1) far from cantilever shaft (3), and the hollow dead axle (2) is erected at machine by first spring bearing (4)
On frame, the first spring bearing (4) is located at side of the radial loading device far from external tooth bearing (1), and the cantilever shaft (3) passes through
A pair of second spring bearing (5) sets up on the rack, and cantilever shaft (3) is equipped with close to the one end of hollow dead axle (2) and sets for blocking
The internal tooth ring set of external tooth bearing (1) outer ring, cantilever shaft (3) are set with belt pulley (6) far from the one end of hollow dead axle (2), are used
Cantilever shaft (3) are driven to rotate by V belt translation in power supply machine；
The internal tooth ring set includes one and sets external tooth bearing (1) outer ring close to the method for the end face of cantilever shaft (3) side for blocking
Blue disk (301), the internal tooth sleeve (302) for being set on external tooth bearing (1) and being engaged with external tooth bearing (1) outer ring, be set in
On tooth sleeve (302) and pass through excessive sleeve (303) and cover by bolt with excessive that bolt is connect with ring flange (301)
The positioning ring (304) of cylinder (303) connection, positioning ring (304) are pressed on external tooth bearing (1) outer ring far from cantilever shaft (3) side
End face on, in order to which ring flange (301) and positioning ring (304) cooperation card set the both ends of the surface of external tooth bearing (1) outer ring；
The radial loading device and axial loading device include the piston worn on the rack (7) and be located at piston
(7) far from the skin diaphragm (8) of hollow dead axle (2) side, axis and hollow dead axle (2) of the piston (7) of radial loading device
Axis intersection is simultaneously vertical, and the axis of the piston (7) of axial loading device is overlapped with the axis of hollow dead axle (2), the skin diaphragm
(8) surface far from piston (7) side is used respectively with the inner wall of the side of rack with a respective pressure chamber (9) is encircled into
It is flowed into the pressure oil for film oil cylinder and deforms skin diaphragm (8), so that skin diaphragm (8) be made to be bonded simultaneously with piston (7) one end
Piston (7) are pushed to load to hollow dead axle (2)；
The measuring device includes for detecting the infrared type temperature sensor (10) of external tooth bearing (1) outer ring temperature, for examining
Survey the flush type temperature sensor (11) of external tooth bearing (1) inner ring temperature and the vibration for detecting hollow dead axle (2) vibration
Sensor (12), infrared type temperature sensor (10) are mounted on the rack and towards external tooth bearing (1) outer ring far from cantilever shaft
(3) end face of side, flush type temperature sensor (11) is through being plugged on the side wall of hollow dead axle (2) and towards external tooth bearing
(1) inner peripheral surface of inner ring, vibrating sensor (12) are same through being located at radial loading device for hollow dead axle (2) is plugged in
On the side wall of axial position.
2. a kind of elevator traction sheave external tooth bearing tester according to claim 1, it is characterised in that: the ring flange
(301) it is an integral molding structure with cantilever shaft (3), the axis of the axis of ring flange (301) and positioning ring (304) is and cantilever
The axis of shaft (3) is overlapped, and the outer diameter of ring flange (301) is greater than the outer diameter of positioning ring (304).
3. a kind of elevator traction sheave external tooth bearing tester according to claim 1, it is characterised in that: the radial loaded
The axis vertical of the piston (7) of device is arranged, the axis of the piston (7) of radial loading device and external tooth bearing (1) and first
Support bearing (4) is equidistant, and the bottom end of the piston (7) of radial loading device is an extension rod (701), extension rod (701)
One end be bonded with the excircle of hollow dead axle (2).
4. a kind of elevator traction sheave external tooth bearing tester according to claim 1, it is characterised in that: described axially loaded
The piston (7) of device is one section of arc surface (702) close to the one end of hollow dead axle (2), and the arc top of arc surface (702) is towards hollow
The axis of dead axle (2) and arc surface (702) is overlapped with the axis of hollow dead axle (2), and one end of hollow dead axle (2) is covered with one piece
For the top plate (201) that the piston (7) for axial loading device squeezes, side and circle of the top plate (201) towards arc surface (702)
The axis of cambered surface (702) is vertical, the direction and hollow dead axle (2) of active force when squeezing top plate (201) in order to arc surface (702)
Axis be overlapped.
5. a kind of elevator traction sheave external tooth bearing tester according to claim 4, it is characterised in that: the top plate
(201) it is an integral molding structure with hollow dead axle (2), the top plate (201) is greater than for the outer diameter of one block of plectane and top plate (201)
The outer diameter of hollow dead axle (2).
6. a kind of elevator traction sheave external tooth bearing tester according to claim 1, it is characterised in that: the rack includes
One pedestal (13), three bearing blocks for one the first spring bearing (4) and two the second spring bearings (5) of installation respectively
(14) and at least two side cover plates (15) that are connect respectively with bearing block (14), the piston (7) of radial loading device and axial
The piston (7) of loading device is threaded through respectively on respective side cover plate (15).
7. a kind of elevator traction sheave external tooth bearing tester according to claim 6, it is characterised in that: the radial loaded
The skin diaphragm (8) of device and the skin diaphragm (8) of axial loading device are separately positioned on the outer wall of respective side cover plate (15), and
Match respectively with the inner wall for the sealing cover (16) installed on respective side cover plate (15) outer wall and is encircled into the pressure chamber (9).
8. a kind of elevator traction sheave external tooth bearing tester according to claim 1, it is characterised in that: the cantilever shaft
(3) one end far from hollow dead axle (2) is connect by shaft coupling (17) with a transmission shaft (18), and transmission shaft (18) passes through a pair
Third spring bearing is set up on the rack, and the axis of transmission shaft (18) is overlapped with the axis of cantilever shaft (3), the belt pulley
(6) it is sleeved on the one end of transmission shaft (18) far from cantilever shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023893.XU CN209459899U (en) | 2019-01-08 | 2019-01-08 | A kind of elevator traction sheave external tooth bearing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023893.XU CN209459899U (en) | 2019-01-08 | 2019-01-08 | A kind of elevator traction sheave external tooth bearing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209459899U true CN209459899U (en) | 2019-10-01 |
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ID=68043940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920023893.XU Active CN209459899U (en) | 2019-01-08 | 2019-01-08 | A kind of elevator traction sheave external tooth bearing tester |
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| CN (1) | CN209459899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903293A (en) * | 2021-03-20 | 2021-06-04 | 常州华创航空科技有限公司 | Bearing loading test bed |
| CN113237577A (en) * | 2021-06-30 | 2021-08-10 | 洛阳斯特林智能传动科技有限公司 | Real-time bearing axial load detection device and shield tunneling machine |
| CN114577475A (en) * | 2022-02-28 | 2022-06-03 | 浙江五洲新春集团股份有限公司 | Elevator steel belt pulley bearing test system |
-
2019
- 2019-01-08 CN CN201920023893.XU patent/CN209459899U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903293A (en) * | 2021-03-20 | 2021-06-04 | 常州华创航空科技有限公司 | Bearing loading test bed |
| CN112903293B (en) * | 2021-03-20 | 2023-09-15 | 常州华创航空科技有限公司 | Bearing loading test bed |
| CN113237577A (en) * | 2021-06-30 | 2021-08-10 | 洛阳斯特林智能传动科技有限公司 | Real-time bearing axial load detection device and shield tunneling machine |
| CN113237577B (en) * | 2021-06-30 | 2024-02-13 | 洛阳斯特林智能传动科技有限公司 | Real-time detection device for axial load of bearing and shield machine |
| CN114577475A (en) * | 2022-02-28 | 2022-06-03 | 浙江五洲新春集团股份有限公司 | Elevator steel belt pulley bearing test system |
| CN114577475B (en) * | 2022-02-28 | 2022-10-14 | 浙江五洲新春集团股份有限公司 | Elevator steel belt pulley bearing test system |
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