CN108871744A - A kind of multi-state line slideway auxiliary friction wear testing machine - Google Patents
A kind of multi-state line slideway auxiliary friction wear testing machine Download PDFInfo
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- CN108871744A CN108871744A CN201810442360.5A CN201810442360A CN108871744A CN 108871744 A CN108871744 A CN 108871744A CN 201810442360 A CN201810442360 A CN 201810442360A CN 108871744 A CN108871744 A CN 108871744A
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- line slideway
- pedestal
- slideway auxiliary
- sliding block
- testing machine
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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
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The present invention relates to a kind of multi-state line slideway auxiliary friction wear testing machines, including pedestal and the line slideway auxiliary being detachably connected on pedestal, wherein line slideway auxiliary above-mentioned includes linear guide and sliding block, linear guide is bolted on pedestal, and slider roll is connected in linear guide；It further include driving device, loading device and the clamping device for clamping slider, driving device is fixedly mounted on pedestal, clamping device is coupled by connection frame and driving device, loading device is placed in above sliding block, driving device above-mentioned for realizing different running-in speeds and running-in distance adjusting, loading device applies different size of load to sliding block, and clamping device realizes the friction-wear test of different model dimension test machine by the adjusting to the elastic size of sliding block；The friction-wear test that can be carried out varying load to the line slideway auxiliary of different model, become running-in speed and running-in distance, has the advantages that compact-sized, at low cost.
Description
Technical field
The present invention relates to a kind of multi-state line slideway auxiliary friction wear testing machines, belong to mechanical line slideway auxiliary friction
Abrasion experiment device.
Background technique
For line slideway auxiliary as a kind of accurate straight line guiding parts, movement is real by the rolling element between sliding block and guide rail
Existing rolling friction, since guideway frictional resistance is small, sound frictional resistance difference is small, and when low speed, which is not likely to produce, creeps, Yi Ji great
The good characteristics such as carrying, high-precision, reliability and standardization, more and more by numerical controlled machinery, automatic production line
Equal fields application and concern.The abrasion condition and service life of guide rail have directly the reliability of machine tooling part and service life
It influences.The current friction wear testing machine type for line slideway auxiliary is less, and may be only available for a kind of the straight of model substantially
The universality of line guideway, testing machine is poor, for different sliding blocks, needs using different friction wear testing machines, test
Efficiency is lower, thus will bring higher experimental cost.Existing friction wear testing machine mainly uses servo-system and counterweight
The mode of load, the testing machine higher cost of servo-system need artificial on duty, test efficiency using the testing machine that counterweight loads
It is lower, higher cost.For the abrasion condition for efficiently assessing linear rolling guide, needs to design a kind of varying load, becomes running-in speed
Degree and the line slideway auxiliary friction wear testing machine of running-in distance carry out friction-wear test.
Summary of the invention
The present invention provides a kind of multi-state line slideway auxiliary friction wear testing machine, can be to the linear guide of different model
The friction-wear test that pair carries out varying load, becomes running-in speed and running-in distance, has the advantages that compact-sized, at low cost.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of multi-state line slideway auxiliary friction wear testing machine, including pedestal and the linear guide being detachably connected on pedestal
It is secondary, wherein line slideway auxiliary above-mentioned includes linear guide and sliding block, and linear guide is bolted on pedestal, slider roll
It is connected in linear guide；
It further include that driving device, loading device and the clamping device for clamping slider, driving device are fixedly mounted on pedestal,
Clamping device is coupled by connection frame and driving device, and loading device is placed in above sliding block, and driving device above-mentioned is used for
Realize the adjusting of different running-in speeds and running-in distance, loading device applies different size of load to sliding block, and clamping device is logical
Cross the friction-wear test that different model dimension test machine is realized to the adjusting of the elastic size of sliding block；
As present invention further optimization, driving device above-mentioned includes two motors being mounted side by side, and one side is fixed on
One end of pedestal, the other side are fixed with first baffle simultaneously, and the side that two motors are fixedly connected with first baffle is pacified respectively
Shaft coupling is filled, the output shaft of each motor is connected with one end of ball-screw respectively by shaft coupling, on each ball-screw
It is arranged nut respectively, nut is connect by bolt with connection frame, in another end of pedestal, second baffle is set, ball-screw
The other end is connect by bearing with second baffle；
Clamping device above-mentioned includes Y type connecting rod, and vertical headers are fixed on the connection frame other side opposite with first baffle,
The two ends of Y type connecting rod bifurcated are separately connected adjusting block, form the space for being used for grip slide between two adjusting blocks；
Loading device above-mentioned includes hydraulic cylinder, and the piston rod of hydraulic cylinder is directed at sliding block, and hydraulic cylinder above-mentioned passes through support frame cloth
It is located at the top of sliding block, the crossbeam laid on the support frame is connect with connection frame, and the bottom of support frame can be slided by bracket bearing
It is dynamic to be connected on pedestal；
As present invention further optimization, threaded hole, each adjusting block are opened up respectively in the two ends of Y type connecting rod bifurcated
Side threaded rod is installed, threaded rod matches with threaded hole, and adjusting block is separately fixed to the divergent ends of Y type connecting rod；
As present invention further optimization, support frame above-mentioned is U-shaped structure, and open end is opposite with pedestal, distinguishes thereon
Mounting bracket bearing, the two sides on pedestal positioned at linear guide open up guide-track groove in parallel, and bracket bearing moves connection respectively
In guide-track groove；Crossbeam, crossbeam and linear guide vertical runs, the middle position of crossbeam are installed at open end in support frame
It is connect by metallic pin with connection frame；
As present invention further optimization, its top of hydraulic cylinder above-mentioned is fixed on the closed end of support frame by multiple nuts
On；
As present invention further optimization, nut above-mentioned is four.
By above technical scheme, compared with the existing technology, the invention has the advantages that：
Testing machine of the invention drives the driving method of ball-screw using bi-motor, realizes sliding block and hydraulic by driving device
The movement of the synchronous reciprocating of cylinder difference running-in speed and running-in distance, may be implemented using the hydraulic cylinder connecting with external fueller
The friction-wear test of line slideway auxiliary under different loads effect；
For the sliding block of different model size, using the adjusting block adjustment spacing and grip slide on connection frame, may be implemented pair
The line slideway auxiliary of different model carries out friction-wear test, enhances the applicability of testing machine.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the testing machine entirety tomograph of the preferred embodiment of the present invention；
Fig. 2 is the testing machine entirety three-dimensional structure top view of the preferred embodiment of the present invention；
Fig. 3 is the testing machine entirety three-dimensional structure side view of the preferred embodiment of the present invention；
Fig. 4 is the driving device tomograph of the testing machine of the preferred embodiment of the present invention；
Fig. 5 is the clamping device tomograph of the testing machine of the preferred embodiment of the present invention；
Fig. 6 is the loading device tomograph of the testing machine of the preferred embodiment of the present invention；
Fig. 7 is the tomograph of the Y type connecting rod of the testing machine of the preferred embodiment of the present invention；
Fig. 8 is the adjusting block tomograph of the testing machine of the preferred embodiment of the present invention；
Fig. 9 is the guide-track groove tomograph of the testing machine of the preferred embodiment of the present invention.
In figure：1 is pedestal, and 2 be first baffle, and 3 be support frame, and 4 be connection frame, and 5 be bearing, and 6 be hydraulic cylinder, and 7 be
Two baffles, 8,9 be nut, and 10,11 be ball-screw, and 12 be motor, and 13 be linear guide, and 14 be sliding block, and 15 connect for Y type
Extension bar, 16 be metallic pin, and 17 be adjusting block, and 18 be bracket bearing, and 19 be crossbeam, and 20 be shaft coupling.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in figs. 1-9, the present invention includes following characteristics component：1 is pedestal, and 2 be first baffle, and 3 be support frame, 4
It is bearing for connection frame, 5,6 be hydraulic cylinder, and 7 be second baffle, and 8,9 be nut, and 10,11 be ball-screw, and 12 be electricity
Machine, 13 be linear guide, and 14 be sliding block, and 15 be Y type connecting rod, and 16 be metallic pin, and 17 be adjusting block, and 18 be bracket bearing, 19
It is shaft coupling for crossbeam, 20.
Shown in this Fig. 1-Fig. 3, a kind of multi-state line slideway auxiliary friction wear testing machine of invention,
Including pedestal and the line slideway auxiliary being detachably connected on pedestal, wherein line slideway auxiliary above-mentioned includes that straight line is led
Rail and sliding block, linear guide are bolted on pedestal, and slider roll is connected in linear guide；
It further include that driving device, loading device and the clamping device for clamping slider, driving device are fixedly mounted on pedestal,
Clamping device is coupled by connection frame and driving device, and loading device is placed in above sliding block, and driving device above-mentioned is used for
Realize the adjusting of different running-in speeds and running-in distance, loading device applies different size of load to sliding block, and clamping device is logical
Cross the friction-wear test that different model dimension test machine is realized to the adjusting of the elastic size of sliding block；
As present invention further optimization,
Driving device above-mentioned includes two motors being mounted side by side, and one side is fixed on an end of pedestal, and the other side is simultaneously
It is fixed with first baffle, shaft coupling is installed in the side that two motors are fixedly connected with first baffle respectively, will be every by shaft coupling
The output shaft of a motor is connected with one end of ball-screw respectively, is arranged nut on each ball-screw respectively, and nut passes through spiral shell
Bolt is connect with connection frame, second baffle is arranged in another end of pedestal, the other end of ball-screw passes through bearing and second gear
Plate connection；
The revolving speed of ball-screw is controlled with realization is turned to by export revolving speed and the steering of control motor, two on ball-screw
A nut is fixed by screw and connection frame, by the threaded connection of ball-screw and nut by the revolving speed of ball-screw and steering
It is transformed to the linear reciprocating motion of nut；
Clamping device above-mentioned includes Y type connecting rod, and vertical headers are fixed on the connection frame other side opposite with first baffle,
Shown in Fig. 8, the two ends of Y type connecting rod bifurcated are separately connected adjusting block, are formed between two adjusting blocks for grip slide
Space；
The spacing that block and sliding block two sides can be adjusted according to the sliding block of different model is adjusted, and thread connecting mode can be realized
Step-less adjustment is suitble to the sliding block of Multiple Type size to clamp, and the linear reciprocating motion of nut passes to the connection of Y type by connection frame
Bar, band movable slider realize linear reciprocating motion；Therefore pass through driving device as shown in Figure 4 and clamping device as shown in Figure 5
A variety of running-in speeds, running-in can be achieved apart from operating condition sliding block frictional wear experiment；
As shown in fig. 6, loading device above-mentioned includes hydraulic cylinder, the piston rod of hydraulic cylinder is directed at sliding block, and hydraulic cylinder above-mentioned is logical
The top that support frame is laid in sliding block is crossed, the crossbeam laid on the support frame is connect with connection frame, and the bottom of support frame passes through branch
Frame bearing slidable connection is on pedestal；Shown in Fig. 7, as present invention further optimization, at the both ends of Y type connecting rod bifurcated
Threaded hole is opened up on head respectively, threaded rod is installed in the side of each adjusting block, and threaded rod matches with threaded hole, by adjusting block point
It is not fixed on the divergent ends of Y type connecting rod；
Shown in Fig. 6, as present invention further optimization, support frame above-mentioned is U-shaped structure, and open end is opposite with pedestal,
Mounting bracket bearing is distinguished thereon, and shown in Fig. 9, the two sides on pedestal positioned at linear guide open up guide-track groove, support shaft in parallel
It holds and is mobily connected in guide-track groove respectively；Crossbeam, crossbeam cloth vertical with linear guide are installed at open end in support frame
If the middle position of crossbeam is connect by metallic pin with connection frame；
Loading device applies load by hydraulic cylinder, and the piston rod of hydraulic cylinder is placed on the surface in upper end of slide block face, guarantees to carry
The uniformity that lotus applies requires to be downwardly applied in load to sliding block according to friction-wear test, at the same time, the cross in support frame
Beam is connect by metallic pin with connection frame, while the support frame bottom end of hydraulic cylinder is equipped with bracket bearing, and bracket bearing can be even
It connects and is moved back and forth in the guide-track groove of pedestal under the traction of frame, hydraulic cylinder applies load simultaneously to sliding block, and piston rod is by sliding block
The upward reaction force generated, that is, support frame is by upward reaction force, this reaction force by bracket bearing with lead
The contact of track slot upper surface is offset, therefore the linear reciprocating motion of connection frame will drive hydraulic cylinder and realize linear reciprocating motion, guarantee
It is constantly in stress state in sliding block runing condensation procedure, so as to apply different loads to sliding block by hydraulic cylinder.
As present invention further optimization, its top of hydraulic cylinder above-mentioned is fixed on the envelope of support frame by multiple nuts
On closed end；
As present invention further optimization, nut above-mentioned is four.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific term）With meaning identical with the general understanding of those of ordinary skill in the application fields.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
The meaning of "and/or" described herein refers to that the case where respective individualism or both exists simultaneously wraps
Including including.
The meaning of " connection " described herein can be between component be directly connected to be also possible to pass through between component
Other components are indirectly connected with.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of multi-state line slideway auxiliary friction wear testing machine, it is characterised in that：Including pedestal and it is detachably connected on bottom
Line slideway auxiliary on seat, wherein line slideway auxiliary above-mentioned includes linear guide and sliding block, and linear guide is bolted to bottom
On seat, slider roll is connected in linear guide；
It further include that driving device, loading device and the clamping device for clamping slider, driving device are fixedly mounted on pedestal,
Clamping device is coupled by connection frame and driving device, and loading device is placed in above sliding block, and driving device above-mentioned is used for
Realize the adjusting of different running-in speeds and running-in distance, loading device applies different size of load to sliding block, and clamping device is logical
Cross the friction-wear test that different model dimension test machine is realized to the adjusting of the elastic size of sliding block.
2. multi-state line slideway auxiliary friction wear testing machine according to claim 1, it is characterised in that：
Driving device above-mentioned includes two motors being mounted side by side, and one side is fixed on an end of pedestal, and the other side is simultaneously
It is fixed with first baffle, shaft coupling is installed in the side that two motors are fixedly connected with first baffle respectively, will be every by shaft coupling
The output shaft of a motor is connected with one end of ball-screw respectively, is arranged nut on each ball-screw respectively, and nut passes through spiral shell
Bolt is connect with connection frame, second baffle is arranged in another end of pedestal, the other end of ball-screw passes through bearing and second gear
Plate connection；
Clamping device above-mentioned includes Y type connecting rod, and vertical headers are fixed on the connection frame other side opposite with first baffle,
The two ends of Y type connecting rod bifurcated are separately connected adjusting block, form the space for being used for grip slide between two adjusting blocks；
Loading device above-mentioned includes hydraulic cylinder, and the piston rod of hydraulic cylinder is directed at sliding block, and hydraulic cylinder above-mentioned passes through support frame cloth
It is located at the top of sliding block, the crossbeam laid on the support frame is connect with connection frame, and the bottom of support frame can be slided by bracket bearing
It is dynamic to be connected on pedestal.
3. multi-state line slideway auxiliary friction wear testing machine according to claim 2, it is characterised in that：It is connected in Y type
Threaded hole is opened up in the two ends of bar bifurcated respectively, threaded rod, threaded rod and threaded hole phase are installed in the side of each adjusting block
Match, adjusting block is separately fixed to the divergent ends of Y type connecting rod.
4. multi-state line slideway auxiliary friction wear testing machine according to claim 2, it is characterised in that：Support above-mentioned
Frame is U-shaped structure, and open end is opposite with pedestal, thereon mounting bracket bearing respectively, and the two of linear guide is located on pedestal
Side opens up guide-track groove in parallel, and bracket bearing is mobily connected in guide-track groove respectively；Cross is installed at open end in support frame
The middle position of beam, crossbeam and linear guide vertical runs, crossbeam is connect by metallic pin with connection frame.
5. multi-state line slideway auxiliary friction wear testing machine according to claim 4, it is characterised in that：It is above-mentioned hydraulic
Its top of cylinder is fixed on the closed end of support frame by multiple nuts.
6. multi-state line slideway auxiliary friction wear testing machine according to claim 5, it is characterised in that：Nut above-mentioned
It is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442360.5A CN108871744B (en) | 2018-05-10 | 2018-05-10 | Multi-working-condition linear guide pair friction and wear testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442360.5A CN108871744B (en) | 2018-05-10 | 2018-05-10 | Multi-working-condition linear guide pair friction and wear testing machine |
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| CN108871744A true CN108871744A (en) | 2018-11-23 |
| CN108871744B CN108871744B (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111809920A (en) * | 2020-07-01 | 2020-10-23 | 上海航天精密机械研究所 | Flexible adjustment universal bracket device for supporting load with circular cross section |
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