CN106989913B - Sliding pair experiment simulation device with adjustable gap between sliding block and guide rail - Google Patents
Sliding pair experiment simulation device with adjustable gap between sliding block and guide rail Download PDFInfo
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- CN106989913B CN106989913B CN201710373333.2A CN201710373333A CN106989913B CN 106989913 B CN106989913 B CN 106989913B CN 201710373333 A CN201710373333 A CN 201710373333A CN 106989913 B CN106989913 B CN 106989913B
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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
Abstract
The invention relates to the technical field of mechanical manufacturing, in particular to a sliding pair experimental simulation device with adjustable sliding block and guide rail clearance, which is provided with a guide rail support frame, wherein the guide rail support frame is composed of a connecting plate and a supporting plate, and is characterized in that the supporting plate of the guide rail support frame is provided with a guide rail side plate, the upper side and the lower side of the guide rail side plate are provided with guide rail baffle plates, each guide rail baffle plate is composed of a fine adjustment part, a positioning part and a clamping part, the fine adjustment part is a fine adjustment plate, the fine adjustment plate is provided with a fine adjustment long circular hole, a fine adjustment screw is arranged in the fine adjustment long circular hole, the positioning part is a positioning plate, the clamping part is a clamping plate, a rail cavity is formed between the positioning plate in the guide rail baffle plates and the clamping plate and the guide rail side plate, a sliding block is arranged in the, the device has the advantages of conveniently and quickly adjusting the gap between the sliding pair guide rail and the sliding block and the like.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a sliding block capable of conveniently and rapidly adjusting the size of a sliding block gap of a sliding pair guide rail and a sliding pair experimental simulation device with an adjustable guide rail gap, which has a simple structure.
Background
As is well known, with the continuous development of precision mechanical engineering, mechanical systems are moving toward the goals of high speed, high precision and high efficiency, however, in the actual engineering mechanism, the kinematic pair clearance in the mechanism is inevitable due to the dynamic fit requirement, the design and manufacturing error of the kinematic pair, friction and abrasion and the like. The existence of clearance can increase the vice clearance impact of motion, has aggravated destruction and the wearing and tearing to the mechanism to make mechanism output response acutely shake, produce serious noise and vibration, lead to mechanism motion precision, stability to reduce, even the inefficacy, especially influence to high-speed mechanism is bigger. Therefore, the influence of the clearance of the kinematic pair on the dynamic performance of the mechanism needs to be accurately predicted, and the action mechanism of the clearance on the dynamic performance of the mechanism is further determined, so that the method has important significance for improving the working performance of the mechanism in the fields of precision mechanical engineering and the like.
In order to experimentally verify the influence of the clearance on the dynamic performance of the mechanism, a kinematic pair experimental simulation device considering the clearance needs to be established. At present, the research on the dynamic performance of the mechanism containing the gap at home and abroad is carried out by a method combining theory and experiment. However, in the conventional experimental study of the dynamic performance of the mechanism including the clearance, the experimental study has been focused on the influence of the clearance of the revolute pair on the dynamic performance of the mechanism, and the experimental simulation device considering the clearance of the revolute pair is designed and established to study the influence of the clearance of the revolute pair on the dynamic characteristics of the slider-crank mechanism.
In addition, the crank-slider mechanism is widely applied in the field of mechanical engineering and is one of the basic components of most practical machines, in the working process of the crank-slider mechanism, abrasion can be generated in a slider and a guide rail, so that the clearance of a moving pair is increased, the output response of the mechanism is changed, the precision of a system is reduced, the performance is degraded, and the existing moving pair experimental device cannot adjust the clearance of the moving pair, so that the actual condition that the clearance of the moving pair is increased due to abrasion of the crank-slider mechanism in the working process cannot be simulated.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a sliding block with a simple structure, a convenient and quick adjustment of the gap between a guide rail and the sliding block of a sliding pair and a sliding pair experimental simulation device with an adjustable guide rail gap.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a sliding pair experimental simulation device with adjustable sliding block and guide rail clearance is provided with a guide rail supporting frame, the guide rail supporting frame is composed of a connecting plate and a supporting plate, and is characterized in that a guide rail side plate is arranged on the supporting plate of the guide rail supporting frame, the guide rail side plate is connected with the supporting plate of the guide rail supporting frame through a bolt, guide rail baffles are symmetrically arranged on the upper side and the lower side of the guide rail side plate, each guide rail baffle is composed of a fine adjustment part, a positioning part and a clamping part, the fine adjustment part is a fine adjustment plate arranged on the supporting plate, a fine adjustment long circular hole capable of adjusting the fine adjustment plate to move up and down is formed in the fine adjustment plate, a fine adjustment screw is arranged in the fine adjustment long circular hole and penetrates through the fine adjustment long circular hole in the fine adjustment plate to be connected with the supporting plate of the guide rail supporting frame, the positioning, two ends of the positioning plate are respectively and vertically connected with the ends of the fine adjustment plate and the clamping plate to form a Z-shaped guide rail baffle, a track cavity is formed between the positioning plate and the clamping plate in the guide rail baffle and the guide rail side plate, a slide block is arranged in the track cavity, the slide block is positioned by the positioning plate and the clamping plate in the guide rail baffle, the slide block is provided with a clamping groove for preventing the slide block from moving in the vertical direction of the guide rail side plate, the clamping groove is in matched contact with the clamping plate to ensure that the slide block is fixed between the guide rail side plate and the clamping plate, the positioning plate of one of the guide rail baffle plates is provided with an adjusting hole, the adjusting hole is arranged at the contact part of the positioning plate and the guide rail side plate, a gap adjusting screw is arranged in the adjusting hole, the gap adjusting screw passes through the adjusting hole and is connected with a threaded hole arranged on the guide rail side plate, the position of the guide rail baffle is moved by adjusting the position of the gap adjusting screw, so that the gap between the sliding pair guide rail and the sliding block is adjusted.
The guide plates are respectively arranged on the supporting plates of the supporting frames on the left side and the right side of the guide rail baffle plate, and the guide plates are clamped on the left side and the right side of the guide rail baffle plate, so that the guide rail baffle plate is ensured to move linearly in the moving process, and the gap between the sliding block and the guide rail is enabled to be constantly changed.
The clearance adjusting screw is designed as a socket head cap screw, so that the use of an operator is facilitated.
The guide rail baffle plate is characterized in that at least two adjusting holes are formed in the positioning plate, the adjusting holes are formed in the contact part of the positioning plate and the guide rail side plate, gap adjusting screws are arranged in the adjusting holes, the gap adjusting screws penetrate through the adjusting holes and are connected with threaded holes formed in the guide rail side plate, the size of a fine adjustment gap is guaranteed to be constant, and the gap is prevented from being different due to the fact that the two guide rail baffle plates are unbalanced.
The circumference of the adjusting hole on the guide rail baffle positioning plate is provided with scale marks, the clearance adjusting hexagon socket screw is provided with a pointer indicating the position above the scale marks, and when the clearance adjusting screw is rotated, the size of the clearance can be accurately controlled according to the rotating angle of the screw.
The guide rail support frames are provided with two guide rail support frames, one side of the support plate of a single guide rail support frame is provided with the guide plate, the two guide rail support frames are connected with the guide rail side plates through the guide plates, the sum of the lengths of the support plates of the guide rail support frames is smaller than that of the guide rail side plates, and the two ends of the guide rail side plates are respectively fixed on the support plates of the guide rail support frames on the left side and the right side through bolts, so that the actual use length of the support plates.
The invention has the beneficial effects that: the vice guide rail of adjustment removal and the slider clearance size that can make things convenient for quick, can adjust the vice clearance size of removal according to different situation through adjustment clearance hexagon screw, provide practical reliable experimental conditions for experimental study vice clearance size is to slider-crank mechanism dynamics performance influence, and verify that theoretical model and simulation calculation result's exactness provides good hardware support through the experiment, and this slider and the vice experimental analogue means of removal of guide rail clearance adjustable are convenient for process, practice thrift the experiment cost, furthermore, this slider and the vice experimental analogue means of removal of guide rail clearance adjustable, concrete size can be revised according to the experiment demand, thereby realize that the slider has different strokes.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic structural view of the guide rail support bracket of the present invention.
Fig. 4 is a schematic view of the structure of the guide rail shutter according to the present invention.
FIG. 5 is an enlarged view of a portion of the alignment hole of FIG. 4 of the present invention.
Fig. 6 is a top view of a gap adjustment screw according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawings, the experimental simulation device for the sliding pair with the adjustable gap between the sliding block and the guide rail is provided with a guide rail supporting frame, the guide rail supporting frame is composed of a connecting plate 1 and a supporting plate 2, and is characterized in that a guide rail side plate 3 is arranged on the supporting plate 2 of the guide rail supporting frame, the guide rail side plate 3 is connected with the supporting plate 2 of the guide rail supporting frame through a bolt, guide rail baffle plates 4 are symmetrically arranged on the upper side and the lower side of the guide rail side plate 3, each guide rail baffle plate 4 is composed of a fine adjustment part, a positioning part and a clamping part, the fine adjustment part is a fine adjustment plate 5 arranged on the supporting plate, a fine adjustment long round hole 8 capable of adjusting the fine adjustment plate to move up and down is arranged on the fine adjustment long hole 8, a fine adjustment screw 15 is arranged in the fine adjustment long hole 8, the fine adjustment screw 15 penetrates through the fine adjustment, the clamping part is a clamping plate 7 parallel to the guide rail side plate, two ends of a positioning plate 6 are respectively and vertically connected with the end parts of a fine adjustment plate 5 and the clamping plate 7 to form a Z-shaped guide rail baffle plate 4, a track cavity is formed between the positioning plate 6 and the clamping plate 7 in the guide rail baffle plate 4 and the guide rail side plate 3, a sliding block 9 is arranged in the track cavity, the sliding block 9 is positioned by the positioning plate 9 and the clamping plate 7 in the guide rail baffle plate 4, a clamping groove for preventing the sliding block from moving in the vertical direction of the guide rail side plate is arranged on the sliding block 9, the sliding block 9 is fixed between the guide rail side plate 3 and the clamping plate 7 by the matching contact of the clamping groove and the clamping plate 7, an adjusting hole 10 is arranged on the positioning plate 6 of one guide rail baffle plate 4, the adjusting hole 10 is arranged at the contact part of the positioning plate 6 and the guide rail side plate 3, a gap adjusting screw 11 is arranged in the adjusting hole 10, the position of the guide rail baffle plate 4 is moved by adjusting the position of a clearance adjusting screw 11 so as to adjust the clearance between a moving pair guide rail and a sliding block, guide plates 12 are respectively arranged on support plates 2 of support frames at the left side and the right side of the guide rail baffle plate 4, the guide plates 12 are clamped at the left side and the right side of the guide rail baffle plate 4 so as to ensure that the guide rail baffle plate 4 moves linearly in the moving process, so that the clearance between the sliding block 9 and the guide rail is constantly changed, the clearance adjusting screw 11 is designed to be a hexagon socket head cap screw, the use by an operator is convenient, at least two adjusting holes 10 are arranged on a positioning plate of the guide rail baffle plate 4, the adjusting holes 10 are arranged at the contact part of the positioning plate 6 and the guide rail side plate 3, a clearance adjusting screw 11 is arranged in the adjusting hole 10, the clearance adjusting screw 11 passes through the adjusting hole 10 and is, prevent that two guide rail baffle 4 unbalance from appearing and lead to the clearance variation in size, 4 locating plates of guide rail on be equipped with scale mark 13 on the circumference of adjusting hole 10, be equipped with the pointer 14 of instruction in scale mark 13 top on the socket head cap screw of clearance adjustment, when through swivel gap adjusting screw 11, can be according to the size of the angle size accurate control clearance volume of screw rotation, utilize pitch regulation clearance size, make the precision of clearance adjustment more accurate, the slider is two to be put apart from 190mm, the adjustable scope of clearance size: 0-2mm, in addition, this slider and guide rail clearance adjustable sliding pair experiment analogue means, concrete size can be revised according to the experiment demand to realize that the slider has different strokes, the guide rail support frame be equipped with two, the length sum of the backup pad 2 of two guide rail support frames is less than the length of guide rail curb plate, the both ends of guide rail curb plate 3 are respectively through bolt fastening on the backup pad 2 of the guide rail support frame of the left and right sides, has practiced thrift the in-service use length of backup pad like this, material saving.
When the device is used, the connecting plate 1 of the guide rail support frame in the device can be arranged on an experimental platform or a base according to the vertical state or the horizontal state of the sliding pair, when different gap sizes need to be simulated, the position of the guide rail baffle is adjusted by rotating the clearance adjusting inner hexagonal clearance adjusting screw 11, thereby realizing the fine adjustment of the gap between the slide block 9 and the guide rail baffle 4, (1) when the slide block is vertically arranged, the gravity action of the slide block 9 is considered in the experiment, when the clearance of the sliding pair needs to be increased, the connecting screw 15 is firstly unscrewed to ensure that the guide rail baffle 4 slides in the range of the fine adjustment oblong hole 8, then the inner hexagonal clearance adjusting screw 11 is rotated to ensure that the inner hexagonal clearance adjusting screw 11 is screwed out of the guide rail side plate 3, the guide rail baffle 4 is adjusted to a proper position, then the connecting screw 15 is screwed down, and the guide rail baffle 4 is fixed well, so that the proper gap amount is achieved; when the clearance of the sliding pair needs to be reduced, the connecting screw 15 is firstly unscrewed to enable the guide rail baffle 4 to slide in the range of the fine adjustment oblong hole 8, then the inner hexagonal clearance adjusting screw 11 is rotated to lead the inner hexagonal clearance adjusting screw 11 to be screwed into the guide rail side plate 3, the guide rail baffle 4 is adjusted to a proper position, then the connecting screw 15 is screwed down to fix the guide rail baffle 4, so as to achieve the proper gap amount, (2) when the guide rail baffle is horizontally placed, the gravity action of the sliding block is not considered in the experiment, when the clearance of the sliding pair needs to be increased, the connecting screw 15 is firstly unscrewed to ensure that the guide rail baffle 4 slides in the range of the fine adjustment oblong hole 8, then the inner hexagonal clearance adjusting screw 11 is rotated to ensure that the inner hexagonal clearance adjusting screw 11 is screwed out of the guide rail side plate 3, the guide rail baffle 4 is adjusted to a proper position, then the connecting screw 15 is screwed down, and the guide rail baffle 4 is fixed well, so that the proper gap amount is achieved; when the clearance of the sliding pair needs to be reduced, the connecting screw 15 is firstly unscrewed, the guide rail baffle 4 slides in the range of the fine adjustment long round hole 8, then the inner hexagonal clearance adjusting screw 11 is rotated, the inner hexagonal clearance adjusting screw 11 is screwed into the guide rail side plate 3, the guide rail baffle 4 is adjusted to a proper position, then the connecting screw 15 is screwed, and the guide rail baffle 4 is fixed, so that a proper clearance amount is achieved.
The invention has the beneficial effects that: the vice guide rail of adjustment removal and the slider clearance size that can make things convenient for quick, can adjust the vice clearance size of removal according to different situation through adjustment clearance hexagon screw, provide practical reliable experimental conditions for experimental study vice clearance size is to slider-crank mechanism dynamics performance influence, and verify that theoretical model and simulation calculation result's exactness provides good hardware support through the experiment, and this slider and the vice experimental analogue means of removal of guide rail clearance adjustable are convenient for process, practice thrift the experiment cost, furthermore, this slider and the vice experimental analogue means of removal of guide rail clearance adjustable, concrete size can be revised according to the experiment demand, thereby realize that the slider has different strokes.
Claims (6)
1. A sliding pair experimental simulation device with adjustable sliding block and guide rail clearance is provided with a guide rail supporting frame, the guide rail supporting frame is composed of a connecting plate and a supporting plate, and is characterized in that a guide rail side plate is arranged on the supporting plate of the guide rail supporting frame, the guide rail side plate is connected with the supporting plate of the guide rail supporting frame through a bolt, guide rail baffles are symmetrically arranged on the upper side and the lower side of the guide rail side plate, each guide rail baffle is composed of a fine adjustment part, a positioning part and a clamping part, the fine adjustment part is a fine adjustment plate arranged on the supporting plate, a fine adjustment long circular hole capable of adjusting the fine adjustment plate to move up and down is formed in the fine adjustment plate, a fine adjustment screw is arranged in the fine adjustment long circular hole and penetrates through the fine adjustment long circular hole in the fine adjustment plate to be connected with the supporting plate of the guide rail supporting frame, the positioning, two ends of the positioning plate are respectively and vertically connected with the ends of the fine adjustment plate and the clamping plate to form a Z-shaped guide rail baffle, a track cavity is formed between the positioning plate and the clamping plate in the guide rail baffle and the guide rail side plate, a slide block is arranged in the track cavity, the slide block is positioned by the positioning plate and the clamping plate in the guide rail baffle, the slide block is provided with a clamping groove for preventing the slide block from moving in the vertical direction of the guide rail side plate, the clamping groove is in matched contact with the clamping plate to ensure that the slide block is fixed between the guide rail side plate and the clamping plate, wherein the positioning plate of one guide rail baffle is provided with an adjusting hole which is arranged at the contact part of the positioning plate and the guide rail side plate, a gap adjusting screw is arranged in the adjusting hole, the gap adjusting screw passes through the adjusting hole and is connected with a threaded hole arranged on the guide rail side plate, the position of the guide rail baffle is moved by adjusting the position of the gap adjusting screw, so that the gap between the sliding pair guide rail and the sliding block is adjusted.
2. The experimental simulation device for the sliding pair with the adjustable gap between the sliding block and the guide rail as claimed in claim 1, wherein guide plates are respectively arranged on the supporting plates of the supporting frames at the left side and the right side of the guide rail baffle, and the guide plates are clamped at the left side and the right side of the guide rail baffle.
3. The experimental simulation device of a sliding pair with adjustable gap between a sliding block and a guide rail as claimed in claim 1, wherein the gap adjusting screw is a socket head cap screw.
4. The experimental simulation device for the sliding pair with the adjustable gap between the sliding block and the guide rail as claimed in claim 1, wherein the positioning plate of the guide rail baffle is provided with at least two adjusting holes, the adjusting holes are arranged at the contact part of the positioning plate and the guide rail side plate, the adjusting holes are internally provided with gap adjusting screws, and the gap adjusting screws penetrate through the adjusting holes and are connected with threaded holes arranged on the guide rail side plate.
5. The experimental simulation device for the sliding pair with the adjustable gap between the sliding block and the guide rail as claimed in claim 1 or 4, wherein the circumference of the adjusting hole on the positioning plate of the guide rail baffle is provided with a scale mark, the clearance adjusting hexagon socket head cap screw is provided with a pointer indicating above the scale mark, and when the clearance adjusting screw is rotated, the size of the clearance can be accurately controlled according to the rotating angle of the screw.
6. The experimental simulation device for the sliding pair with the adjustable gap between the sliding block and the guide rail as claimed in claim 1, wherein the number of the guide rail supporting frames is two, the sum of the lengths of the supporting plates of the guide rail supporting frames is less than the length of the guide rail side plate, and the two ends of the guide rail side plate are respectively fixed on the supporting plates of the guide rail supporting frames at the left side and the right side through bolts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373333.2A CN106989913B (en) | 2017-05-24 | 2017-05-24 | Sliding pair experiment simulation device with adjustable gap between sliding block and guide rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373333.2A CN106989913B (en) | 2017-05-24 | 2017-05-24 | Sliding pair experiment simulation device with adjustable gap between sliding block and guide rail |
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| CN106989913A CN106989913A (en) | 2017-07-28 |
| CN106989913B true CN106989913B (en) | 2020-02-14 |
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| CN201710373333.2A Active CN106989913B (en) | 2017-05-24 | 2017-05-24 | Sliding pair experiment simulation device with adjustable gap between sliding block and guide rail |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366361A (en) * | 2020-03-30 | 2020-07-03 | 哈尔滨工业大学（威海） | Adjustable multi-gap gear-link mechanism dynamics experiment simulation system |
| CN113218284B (en) * | 2021-05-08 | 2022-02-15 | 长沙理工大学 | Application method of multi-kinematic-pair clearance measurement experimental device |
| CN113218355B (en) * | 2021-05-08 | 2022-02-15 | 长沙理工大学 | Experimental apparatus is measured to many kinematic pairs clearance |
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| CN205154901U (en) * | 2015-12-10 | 2016-04-13 | 济南辰凯机械设备有限公司 | Linear slide rail is with adjustable clearance slider |
| CN106872157A (en) * | 2016-12-19 | 2017-06-20 | 天津工业大学 | A kind of heavy machine tool structural member erection stress testing experiment platform |
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| JPH041298B2 (en) * | 1988-08-09 | 1992-01-10 | Univ Saga | |
| KR20100069186A (en) * | 2008-12-16 | 2010-06-24 | 쎄라텍코 주식회사 | Pressure safety valve popping test system |
| KR20110064043A (en) * | 2009-12-07 | 2011-06-15 | 주식회사 티엠씨 | A testing device of roll with bearing block |
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