CN113340755A - Low-speed reciprocating friction wear testing machine with balancing device - Google Patents
Low-speed reciprocating friction wear testing machine with balancing device Download PDFInfo
- Publication number
- CN113340755A CN113340755A CN202010254130.3A CN202010254130A CN113340755A CN 113340755 A CN113340755 A CN 113340755A CN 202010254130 A CN202010254130 A CN 202010254130A CN 113340755 A CN113340755 A CN 113340755A
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- Prior art keywords
- guide rail
- seat
- balancing
- testing machine
- wear testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0658—Indicating or recording means; Sensing means using acoustic or ultrasonic detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention relates to the technical field of reciprocating friction and wear testing machines, in particular to a low-speed reciprocating friction and wear testing machine with a balancing device, which comprises a host, a connecting rod guide mechanism and the balancing device, wherein the host comprises a base, a test force loading device, a test force measuring system, a friction force measuring system and a guide rail support, the test force loading device comprises a test force seat, a test force sliding support, a first guide rail, a second guide rail, a sliding block seat and a sliding block, the test force seat is fixed on the test force sliding support through the first guide rail, the test force seat can move up and down, and the test force sliding support is connected with the guide rail support through the second guide rail and can move left and right freely. The technical scheme provided by the invention has the beneficial effects that: through increasing balance gear box, the impulsive force of reciprocating friction wear testing machine eccentric wheel structure is alleviated or is cushioned by balance gear box, even do not have the ground, also can carry out test work for a long time, effectively guarantees experimental accuracy.
Description
Technical Field
The invention relates to the technical field of reciprocating friction and wear testing machines, in particular to a low-speed reciprocating friction and wear testing machine with a balancing device.
Background
The reciprocating friction wear testing machine realizes reciprocating linear motion by dragging a crank-link mechanism to rotate through a servo motor and positioning and guiding a linear guide rail. The purpose of adjusting the reciprocating frequency can be achieved by adjusting the rotating speed of the motor, and the magnitude of the vibration pair value can be adjusted by adjusting the eccentricity of the rotating motion, so that different displacements can be obtained. However, the rotating eccentric wheel generates excessive impact force in the test process, the testing machine needs to be driven to a foundation or fixed on a stable steel plate and a working platform, otherwise, the testing machine can vibrate and move along with the test. Meanwhile, the testing machine cannot detect the oil film thickness and monitor the vibration quantity at the same time.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a low-speed reciprocating friction wear testing machine with a balancing device, which is not easy to vibrate and improves the testing accuracy.
The technical scheme of the invention is as follows:
the utility model provides a low-speed friction wear testing machine that reciprocates with balancing unit, includes host computer, connecting rod guiding mechanism, balancing unit, the host computer includes base, experimental power loading device, experimental power measurement system, frictional force measurement system, guide rail support, experimental power loading device is including experimental power seat, experimental power sliding support, first guide rail, second guide rail, take-up housing, slider, experimental power seat fix on experimental power sliding support through first guide rail, experimental power seat can reciprocate, experimental power sliding support passes through the second guide rail and is associative with the guide rail support, can control free movement.
The test force measuring system is composed of a sensor seat, a pressure sensor, a steel ball seat and a steel ball, wherein the steel ball is arranged on the steel ball seat, the steel ball seat is fixed on the pressure sensor, the pressure sensor is fixed on the sensor seat, and the sensor seat is fixed on a support through a bolt.
The friction force measuring system comprises two friction force sensor bases, a friction force sensor, an oil box and a sliding plate, wherein the sliding plate is arranged in the oil box, an acceleration sensor, an ultrasonic sensor and the friction force sensor are arranged at the bottom of the oil box, and the oil film thickness and the vibration quantity can be detected during the test.
The balance device comprises a main shaft motor, a synchronous belt pulley, an eccentric wheel, two balance connecting rods and two balance blocks, the balance device adopts a double-shaft balance system, an output shaft of the main shaft motor is connected with a main shaft of the eccentric wheel through the synchronous belt pulley and a belt, the main shaft drives a crank, the crank drives the eccentric wheel to rotate and pull the connecting rods, reciprocating motion is achieved, and the balance blocks are arranged on the two balance connecting rods respectively.
The base is formed by integrally welding an upper base plate and a lower base plate and is subjected to aging treatment.
The first guide rail and the second guide rail are respectively fixed on the guide rail support.
The technical scheme provided by the invention has the beneficial effects that:
by adding the balance gear box, the impact force of the eccentric wheel structure of the reciprocating friction wear testing machine is relieved or buffered by the balance gear box, and the test work (without violent vibration or position movement) can be carried out for a long time even without a foundation, so that the test accuracy is effectively ensured; an acceleration sensor and an ultrasonic sensor are installed on a lower clamp seat of the testing machine, and the thickness and the vibration quantity of an oil film can be detected during testing.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the configuration of the test force measurement system of the present invention.
Fig. 3 is a schematic structural diagram of the friction force measuring system of the present invention.
Fig. 4 is a schematic structural view of the balancing apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, a low-speed reciprocating friction wear testing machine with a balancing device comprises a host 1, a connecting rod guide mechanism 2 and the balancing device, wherein the host 1 comprises a base 3, a test force loading device 4, a test force measuring system 5, a friction force measuring system 6 and a guide rail support 7, the test force loading device 4 comprises a test force seat, a test force sliding support 8, a first guide rail, a second guide rail, a slider seat and a slider, the test force seat is fixed on the test force sliding support 8 through the first guide rail, the test force seat can move up and down, and the test force sliding support 8 is connected with the guide rail support 7 through the second guide rail and can move left and right freely.
The test force measuring system 5 is composed of a sensor seat 10, a pressure sensor 11, a steel ball seat 12 and a steel ball 13, wherein the steel ball 13 is arranged on the steel ball seat 12, the steel ball seat 12 is fixed on the pressure sensor 11, the pressure sensor 11 is fixed on the sensor seat 10, and the sensor seat 10 is fixed on a support through bolts.
The friction force measuring system 6 comprises two friction force sensor bases 14, a friction force sensor 15, an oil box 16 and a sliding plate 17, the sliding plate 17 is arranged in the oil box 16, an acceleration sensor 18, an ultrasonic sensor 19 and a friction force sensor 20 are mounted at the bottom of the oil box 16, and the oil film thickness and the vibration quantity can be detected during testing.
The balance device comprises a main shaft motor 21, a synchronous belt pulley 22, an eccentric wheel 23, two balance connecting rods 24 and two balance blocks 25, the balance device adopts a double-shaft balance system, an output shaft of the main shaft motor 21 is connected with a main shaft of the eccentric wheel 23 through the synchronous belt pulley 22 and a belt 26, the main shaft drives a crank 27, and the crank 27 drives the eccentric wheel 23 to rotate and pull the connecting rods, so that reciprocating motion is realized; the two balance connecting rods 24 are respectively provided with a balance weight 25. The sum of the weights 25 is equal to the weight of the connecting rod on the other side of the device, so that the tension on the two sides of the eccentric wheel is in a balanced state.
The base 28 is formed by integrally welding an upper base plate and a lower base plate and is subjected to aging treatment.
The first guide rail and the second guide rail are respectively fixed on the guide rail support 7.
The main shaft motor 21 rotates, the eccentric wheel 23 of the balance box 9 is driven to rotate through the belt pulley, the impact force of the eccentric wheel 23 is relieved by two groups of gears in the balance box, one end of the crank connecting rod is connected with the eccentric wheel 23, the other end of the crank connecting rod is connected with the test force sliding support 8, and the eccentric wheel 23 rotates to drive the test force sliding support 8 to move left and right on the guide rail. Namely, the slide block is driven to do left-right reciprocating motion.
The test force seat can apply a certain impact force or constant pressure at will and acts on the sliding block downwards. The acting force is downwards transmitted to the sliding plate and the test force sensor, and the test force sensor measures the size change of the test force in real time. Thus, the sliding plate and the sliding plate do relative reciprocating motion under certain acting force. An acceleration sensor 18 and an ultrasonic sensor 19 are installed on a lower clamp seat of the testing machine, and the thickness of an oil film and the vibration quantity can be detected during testing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a low-speed friction wear testing machine that reciprocates with balancing unit, its characterized in that, includes host computer, connecting rod guiding mechanism, balancing unit, the host computer includes base, experimental power loading device, experimental power measurement system, frictional force measurement system, guide rail support, experimental power loading device includes experimental power seat, experimental power sliding support, first guide rail, second guide rail, slider seat, slider, experimental power seat fix on experimental power sliding support through first guide rail, experimental power seat can reciprocate, and experimental power sliding support is associative through second guide rail and guide rail support, can control the free movement.
2. The low-speed reciprocating friction wear testing machine with the balancing device according to claim 1, wherein the testing force measuring system is composed of a sensor seat, a pressure sensor, a steel ball seat and a steel ball, the steel ball seat is provided with the steel ball and fixed on the pressure sensor, the pressure sensor is fixed on the sensor seat, and the sensor seat is fixed on the support through a bolt.
3. The low-speed reciprocating friction wear testing machine with the balancing device according to claim 1, wherein the friction force measuring system comprises two friction force sensor bases, a friction force sensor, an oil box and a sliding plate, the sliding plate is arranged in the oil box, an acceleration sensor, an ultrasonic sensor and the friction force sensor are mounted at the bottom of the oil box, and the oil film thickness and the vibration quantity can be detected during the test.
4. The low-speed reciprocating friction wear testing machine with the balancing device of claim 1, wherein the balancing device comprises a spindle motor, a synchronous pulley, an eccentric wheel, two balancing connecting rods and two balancing blocks, the balancing device adopts a double-shaft balancing system, an output shaft of the spindle motor is connected with a spindle of the eccentric wheel through the synchronous pulley and a belt, the spindle drives a crank, the crank drives the eccentric wheel to rotate to pull the connecting rods, so that reciprocating motion is realized, and the balancing blocks are respectively arranged on the two balancing connecting rods.
5. The low-speed reciprocating friction wear testing machine with the balancing device according to claim 1, wherein the base is integrally welded by an upper base plate and a lower base plate and subjected to aging treatment.
6. The low-speed reciprocating friction wear testing machine with the balancing device according to claim 1, wherein the first guide rail and the second guide rail are respectively fixed on the guide rail support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254130.3A CN113340755A (en) | 2020-04-02 | 2020-04-02 | Low-speed reciprocating friction wear testing machine with balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254130.3A CN113340755A (en) | 2020-04-02 | 2020-04-02 | Low-speed reciprocating friction wear testing machine with balancing device |
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| Publication Number | Publication Date |
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| CN113340755A true CN113340755A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010254130.3A Pending CN113340755A (en) | 2020-04-02 | 2020-04-02 | Low-speed reciprocating friction wear testing machine with balancing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486583A (en) * | 2022-02-22 | 2022-05-13 | 株洲联诚集团减振器有限责任公司 | Rigidity performance testing mechanism for steel wire rope vibration isolator |
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|---|---|---|---|---|
| CN1489677A (en) * | 2001-01-30 | 2004-04-14 | 布里格斯・斯特拉顿公司 | Balancing system using reciprocating counterbalance weight |
| CN103101207A (en) * | 2012-11-14 | 2013-05-15 | 扬州锻压机床股份有限公司 | Three-point high speed precision press machine |
| CN202965236U (en) * | 2012-11-14 | 2013-06-05 | 扬州锻压机床股份有限公司 | Three-point high-speed precise press machine |
| CN103267699A (en) * | 2013-06-05 | 2013-08-28 | 浙江大学 | Reciprocating-type friction-wear testing machine and method thereof |
| CN204346854U (en) * | 2015-01-14 | 2015-05-20 | 中国矿业大学 | A kind of micro-moving frictional wear testing machine based on shaking table |
| CN104990822A (en) * | 2015-07-17 | 2015-10-21 | 合肥波林复合材料有限公司 | Reciprocating type friction wear testing machine |
| CN107263563A (en) * | 2017-07-05 | 2017-10-20 | 重庆市臻憬科技开发有限公司 | Reciprocal cutter with self-balance structure |
| CN110243711A (en) * | 2019-07-05 | 2019-09-17 | 大连交通大学 | A kind of constant speed formula frictional wear experiment data measuring method and testing machine |
-
2020
- 2020-04-02 CN CN202010254130.3A patent/CN113340755A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489677A (en) * | 2001-01-30 | 2004-04-14 | 布里格斯・斯特拉顿公司 | Balancing system using reciprocating counterbalance weight |
| CN103101207A (en) * | 2012-11-14 | 2013-05-15 | 扬州锻压机床股份有限公司 | Three-point high speed precision press machine |
| CN202965236U (en) * | 2012-11-14 | 2013-06-05 | 扬州锻压机床股份有限公司 | Three-point high-speed precise press machine |
| CN103267699A (en) * | 2013-06-05 | 2013-08-28 | 浙江大学 | Reciprocating-type friction-wear testing machine and method thereof |
| CN204346854U (en) * | 2015-01-14 | 2015-05-20 | 中国矿业大学 | A kind of micro-moving frictional wear testing machine based on shaking table |
| CN104990822A (en) * | 2015-07-17 | 2015-10-21 | 合肥波林复合材料有限公司 | Reciprocating type friction wear testing machine |
| CN107263563A (en) * | 2017-07-05 | 2017-10-20 | 重庆市臻憬科技开发有限公司 | Reciprocal cutter with self-balance structure |
| CN110243711A (en) * | 2019-07-05 | 2019-09-17 | 大连交通大学 | A kind of constant speed formula frictional wear experiment data measuring method and testing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486583A (en) * | 2022-02-22 | 2022-05-13 | 株洲联诚集团减振器有限责任公司 | Rigidity performance testing mechanism for steel wire rope vibration isolator |
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Application publication date: 20210903 |