CN113848062A - Oilless bearing friction force detection equipment - Google Patents
Oilless bearing friction force detection equipment Download PDFInfo
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- CN113848062A CN113848062A CN202111447727.0A CN202111447727A CN113848062A CN 113848062 A CN113848062 A CN 113848062A CN 202111447727 A CN202111447727 A CN 202111447727A CN 113848062 A CN113848062 A CN 113848062A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The invention discloses friction detection equipment for an oilless bearing, relates to friction detection equipment and aims to solve the problems that the existing bearing detection equipment cannot regulate speed, is single in speed, complex in structure, low in transmission efficiency and poor in precision. The device comprises a frame platform, a test assembly and a loading assembly, wherein the test assembly comprises a fixed plate, a side plate, a tooling part, a driving part, a tested part and a sensor detection unit; the fixed plate is installed on the frame platform, and curb plate, frock piece and driving piece are installed on the fixed plate, are surveyed the piece and install on the frock piece, and sensor detecting element's one end is articulated with the curb plate, and sensor detecting element's the other end and frock piece fixed connection, driving piece and frock piece are connected, and the loading subassembly sets up in frock piece below. The invention belongs to the field of bearing friction force detection.
Description
Technical Field
The invention relates to friction force detection equipment, in particular to oilless bearing friction force detection equipment, and belongs to the field of bearing friction force detection.
Background
The oilless bearing is a novel lubricated bearing with the characteristics of both a metal bearing and an oilless lubricated bearing, a metal matrix bears load, and a solid lubricating material with a special formula plays a lubricating role. The lubricating oil has the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, and is particularly suitable for occasions with difficult lubrication and oil film formation, such as heavy load, low speed, reciprocation or swing and the like. The oilless bearing after being processed needs to be detected according to requirements, the oilless bearing detection equipment in the prior art is single in speed and cannot realize stepless speed regulation, and the existing equipment is complex in structure, low in efficiency and poor in precision.
Disclosure of Invention
The invention aims to solve the problems that the existing bearing detection equipment cannot regulate speed, has single speed, complex structure, low transmission efficiency and poor precision. And further provides an oilless bearing friction force detection device.
The technical problem is solved by the following scheme:
the device comprises a frame platform, a test assembly and a loading assembly, wherein the test assembly comprises a fixed plate, a side plate, a tooling part, a driving part, a tested part and a sensor detection unit; the fixed plate is installed on frame platform, the curb plate, frock piece and driving piece are installed on the fixed plate, it impresses on the frock piece through the subassembly of impressing to be surveyed, the subassembly of impressing includes the base, the frame, loading cylinder and extrusion head, the pedestal mounting is on the fixed plate, frame connection is on the base, the extrusion head is connected the loading cylinder and is fixed on the frame, it is epaxial with the oilless bearing pressure equipment at the dabber to drive the extrusion head through the loading cylinder, sensor detecting element's one end is articulated with the curb plate, sensor detecting element's the other end and frock piece fixed connection, the driving piece is connected with the frock piece, the loading subassembly sets up in frock piece below.
Compared with the prior art, the invention has the following beneficial effects:
1. the motor can realize stepless speed regulation by matching the test component and the loading component to automatically detect the bearing parameters, the rotating speed can be regulated as required, and the servo control precision regulation is adopted to carry out detection tests.
2. The invention can adapt to oilless bearings of different specifications and models by matching corresponding tooling parts with the oilless bearings.
3. The torsion change of the bearing can be tested by matching the testing component and the loading component.
4. The invention changes the loading force of the oilless bearing to be tested by manually changing the weight of the loading weight on the loading piece, thereby carrying out experiments under different loading forces.
5. The invention is suitable for oilless bearing detection equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a front view of the overall structure of the present application.
FIG. 3 is a schematic view of a test assembly.
Fig. 4 is a schematic view of the press-in assembly.
Detailed Description
The first embodiment is as follows: the friction force detection device for the oilless bearing comprises a frame platform 1, a test assembly 2 and a loading assembly 4, wherein the test assembly 2 comprises a fixing plate 2-1, a side plate 2-2, a tooling part 2-3, a driving part 2-4, a tested part 2-6 and a sensor detection unit 2-7; the fixed plate 2-1 is arranged on the frame platform 1, the side plate 2-2, the tooling part 2-3 and the driving part 2-4 are arranged on the fixed plate 2-1, the tested part 2-6 is pressed into the tooling part 2-3 through the pressing-in component 3, the pressing-in component 3 comprises a base 3-1, a frame 3-2, a loading cylinder 3-3 and an extrusion head 3-4, the base 3-1 is arranged on the fixed plate 2-1, the frame 3-2 is connected on the base 3-1, the extrusion head 3-4 is connected with the loading cylinder 3-3 and fixed on the frame 3-2, the extrusion head 3-4 is driven by the loading cylinder 3-3 to press-fit an oilless bearing on a mandrel, one end of the sensor detection unit 2-7 is hinged with the side plate 2-2, the other end of the sensor detection unit 2-7 is fixedly connected with the tooling part 2-3, the driving part 2-4 is connected with the tool part 2-3, and the loading assembly 4 is arranged below the tool part 2-3. The measured piece is an oilless bearing, and the number of the oilless bearings is one or two.
The second embodiment is as follows: the embodiment is described with reference to fig. 1-4, and the driving part 2-4 comprises a motor reducer and a driving gear, and the tool part 2-3 comprises a mandrel, a driven gear and two bearing seats with bearings; cylindrical bosses are respectively processed at two ends of a driven gear, a tested part 2-6 is sleeved on a mandrel, the driven gear is sleeved on the tested part 2-6, the mandrel is arranged on two bearing seats with bearings, one end of the mandrel is fixedly connected with a sensor detection unit 2-7, the two bearing seats with bearings are fixedly arranged on a fixing plate 2-1, a driving gear is fixedly arranged on the output end of a rotating shaft of a motor reducer, and the driving gear is meshed with the driven gear. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: referring to fig. 1 to 3, in the friction force detection device for an oilless bearing according to the present embodiment, the sensor detection unit 2-7 includes a friction force detection sensor and a connection rod, one end of the connection rod is fixed to one end of the mandrel, the other end of the connection rod is connected to one end of the friction force detection sensor, and the other end of the friction force detection sensor is hinged to the side plate 2-2. Other components and connection modes are the same as those of the first embodiment.
The fourth concrete implementation mode: referring to fig. 1 to 3 to illustrate the present embodiment, in the present embodiment, an oilless bearing friction force detection apparatus, a loading assembly 4 includes a loading rod 4-1, a loading member 4-2, a support frame 4-3, a loading pressure sensor unit 4-6, two guide rods 4-4, two linear bearings 4-5, two loading shafts 4-7, and four loading bearings 4-8; the supporting frame 4-3 is fixedly arranged on a frame platform 1 below the tooling part 2-3, the two guide rods 4-4 are arranged on the supporting frame 4-3 in a sliding way through guide sleeves, the loading pressure sensor unit 4-6 is arranged on the two linear bearings 4-5 in a sliding way through the two guide rods 4-4, one end of the loading rod 4-1 is propped against the bottom end of the loading pressure sensor unit 4-6 through a semi-cylindrical bulge, the loading rod 4-1 is rotationally connected and arranged on the supporting frame 4-3 through a pin shaft, the other end of the loading rod 4-1 penetrates through the frame platform 1 and is rotationally connected with the loading part 4-2, the two loading shafts 4-7 are fixedly arranged on the top end of the loading pressure sensor unit 4-6, and two loading bearings 4-8 are respectively and symmetrically arranged on each loading shaft 4-7, two loading shafts 4-7 are arranged below the tool part 2-3. Other components and connection modes are the same as those of the second embodiment.
The loading member 4-2 changes the weight of the loading member by adding and subtracting weights.
The fifth concrete implementation mode: referring to fig. 1 to 3, the present embodiment, which is an oilless bearing friction force detecting apparatus, is described, wherein each of the loading bearings 4 to 8 on each of the loading shafts 4 to 7 is in rolling contact with a cylindrical boss on the driven gear. The other components and the connection mode are the same as those of the fourth embodiment.
The sixth specific implementation mode: referring to fig. 1 to 3 to describe the present embodiment, in the present embodiment, an oilless bearing friction force detection apparatus, a loading pressure sensor unit 4-6 includes a sensor upper connection plate, a sensor lower connection plate, and a pressure sensor; the top end of the pressure sensor is connected with the upper sensor connecting plate, the bottom end of the pressure sensor is connected with the lower sensor connecting plate, and the two guide rods 4-4 penetrate through the lower sensor connecting plate and are fixedly arranged on the upper sensor connecting plate. The other components and the connection mode are the same as those of the fourth embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 1 to fig. 3, and the oilless bearing friction force detection device of the embodiment further includes a limiting member, the limiting member is inserted into the loading rod 4-1, the loading rod 4-1 is floatingly disposed on the limiting member, the top end of the limiting member is mounted on the frame platform 1, and the baffle at the bottom end of the limiting member is disposed below the loading rod 4-1. The other components and the connection mode are the same as those of the fourth embodiment.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1-3, and the embodiment is an oilless bearing friction force detection device, wherein a frame platform 1 comprises a loading frame 1-1, a button opening part 1-2 and a touch screen control part 1-3, the button opening part 1-2 and the touch screen control part 1-3 are mounted on the loading frame 1-1, and a driving part 2-4 is connected with the touch screen control part 1-3, and the driving part 2-4 is controlled to work by the touch screen control part 1-3. Other components and connection modes are the same as those of the first embodiment.
Principle of operation
The oil-free bearing of the tested part 2-6 is installed on the mandrel through the press-in assembly 3 during working, the oil-free bearing is sleeved on the mandrel in an interference fit mode through the loading cylinder 3-3, the driving part 2-4 is controlled through the touch screen control part 1-3 of the frame platform 1, power is transmitted to the driven gear through the meshing of the driving gear and the driven gear, the driven gear overcomes the friction force of the driven gear and the oil-free bearing to rotate, pressure is transmitted to the friction force detection sensor of the sensor detection unit 2-7 through the connecting rod of the sensor detection unit 2-7, and the friction force value is stored and displayed on the friction force detection sensor.
When the device works, the oilless bearing of a tested part 2-6 is arranged on a mandrel through a press-in component 3, the oilless bearing is sleeved on the mandrel in an interference fit manner through a loading cylinder 3-3, a motor reducer of a driving part 2-4 is controlled through a touch screen control part 1-3 of a frame platform 1, power is transmitted to a driven gear through the engagement of a driving gear and the driven gear, the driven gear overcomes the friction force of the driven gear and the oilless bearing to rotate, pressure is transmitted to a friction force detection sensor of a sensor detection unit 2-7 through a connecting rod of the sensor detection unit 2-7, the friction force value is stored and displayed on the friction force detection sensor, the weight of the loading part 4-2 is adjusted at the same time, the pressure value of a pressure sensor on the loading pressure sensor unit 4-6 is changed through the weight of the loading part 4-2, and the loading shaft 4-7 and the loading bearing 4-8 provide supporting force for the driven gear of the tooling part 2-3, so that the value of the friction force detected by the sensor detection unit 2-7 at the moment is obtained, and the detection of the oilless bearing is realized.
Claims (8)
1. The utility model provides an oilless bearing frictional force check out test set which characterized in that: the device comprises a frame platform (1), a testing assembly (2) and a loading assembly (4), wherein the testing assembly (2) comprises a fixing plate (2-1), a side plate (2-2), a tooling part (2-3), a driving part (2-4), a tested part (2-6) and a sensor detection unit (2-7); the fixing plate (2-1) is installed on the frame platform (1), the side plate (2-2), the tooling part (2-3) and the driving part (2-4) are installed on the fixing plate (2-1), the tested part (2-6) is pressed into the tooling part (2-3) through the pressing-in component (3), the pressing-in component (3) comprises a base (3-1), a frame (3-2), a loading cylinder (3-3) and an extrusion head (3-4), the base (3-1) is installed on the fixing plate (2-1), the frame (3-2) is connected onto the base (3-1), the extrusion head (3-4) is connected with the loading cylinder (3-3) and fixed onto the frame (3-2), the extrusion head (3-4) is driven by the loading cylinder (3-3) to press-4) to press and press an oilless bearing onto a mandrel, one end of the sensor detection unit (2-7) is hinged with the side plate (2-2), the other end of the sensor detection unit (2-7) is fixedly connected with the tooling part (2-3), the driving part (2-4) is connected with the tooling part (2-3), and the loading assembly (4) is arranged below the tooling part (2-3).
2. The oilless bearing friction force detecting apparatus according to claim 1, characterized in that: the driving piece (2-4) comprises a motor reducer and a driving gear, and the tool piece (2-3) comprises a mandrel, a driven gear and two bearing seats with bearings; cylindrical bosses are respectively processed at two ends of a driven gear, a tested part (2-6) is sleeved on a mandrel, the driven gear is sleeved on the tested part (2-6), the mandrel is installed on two bearing seats with bearings, one end of the mandrel is fixedly connected with a sensor detection unit (2-7), the two bearing seats with bearings are fixedly installed on a fixing plate (2-1), a driving gear is fixedly installed on the output end of a rotating shaft of a motor reducer, and the driving gear is meshed with the driven gear.
3. The oilless bearing friction force detecting apparatus according to claim 1, characterized in that: the sensor detection unit (2-7) comprises a friction force detection sensor and a connecting rod, one end of the connecting rod is fixed with one end of the mandrel, the other end of the connecting rod is connected with one end of the friction force detection sensor, and the other end of the friction force detection sensor is hinged with the side plate (2-2).
4. An oilless bearing friction force detecting apparatus according to claim 2, characterized in that: the loading assembly (4) comprises a loading rod (4-1), a loading part (4-2), a support frame (4-3), a loading pressure sensor unit (4-6), two guide rods (4-4), two linear bearings (4-5), two loading shafts (4-7) and four loading bearings (4-8); a supporting frame (4-3) is fixedly arranged on a frame platform (1) below a tooling part (2-3), two guide rods (4-4) are arranged on the supporting frame (4-3) in a sliding way through guide sleeves, a loading pressure sensor unit (4-6) is arranged on two linear bearings (4-5) in a sliding way through the two guide rods (4-4), one end of a loading rod (4-1) is propped against the bottom end of the loading pressure sensor unit (4-6) through a semi-cylindrical bulge, the loading rod (4-1) is arranged on the supporting frame (4-3) through a pin shaft in a rotating connection way, the other end of the loading rod (4-1) penetrates through the frame platform (1) and is connected with a loading part (4-2) in a rotating way, two loading shafts (4-7) are fixedly arranged on the top end of the loading pressure sensor unit (4-6), two loading bearings (4-8) are respectively and symmetrically arranged on each loading shaft (4-7), and the two loading shafts (4-7) are arranged below the tooling parts (2-3).
5. The oilless bearing friction force detecting apparatus according to claim 4, characterized in that: and a loading bearing (4-8) on each loading shaft (4-7) is in rolling contact with a cylindrical boss on the driven gear respectively.
6. The oilless bearing friction force detecting apparatus according to claim 4, characterized in that: the loading pressure sensor unit (4-6) comprises a sensor upper connecting plate, a sensor lower connecting plate and a pressure sensor; the top end of the pressure sensor is connected with the upper sensor connecting plate, the bottom end of the pressure sensor is connected with the lower sensor connecting plate, and the two guide rods (4-4) penetrate through the lower sensor connecting plate and are fixedly arranged on the upper sensor connecting plate.
7. The oilless bearing friction force detecting apparatus according to claim 4, characterized in that: the loading assembly (4) further comprises a limiting piece, the limiting piece is inserted on the loading rod (4-1), the loading rod (4-1) is arranged on the limiting piece in a floating mode, the top end of the limiting piece is installed on the frame platform (1), and a baffle at the bottom end of the limiting piece is arranged below the loading rod (4-1).
8. The oilless bearing friction force detecting apparatus according to claim 1, characterized in that: the frame platform (1) comprises a loading frame (1-1), a button opening piece (1-2) and a touch screen control piece (1-3), the button opening piece (1-2) and the touch screen control piece (1-3) are installed on the loading frame (1-1), a driving piece (2-4) is connected with the touch screen control piece (1-3), and the driving piece (2-4) is controlled to work through the touch screen control piece (1-3).
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CN202111447727.0A CN113848062A (en) | 2021-12-01 | 2021-12-01 | Oilless bearing friction force detection equipment |
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CN202111447727.0A CN113848062A (en) | 2021-12-01 | 2021-12-01 | Oilless bearing friction force detection equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115096490A (en) * | 2022-07-29 | 2022-09-23 | 人本股份有限公司 | Linear guide rail bearing friction torque detection equipment |
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