CN105043791B - A kind of pneumatic gripping testing stand - Google Patents
A kind of pneumatic gripping testing stand Download PDFInfo
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- CN105043791B CN105043791B CN201510575299.8A CN201510575299A CN105043791B CN 105043791 B CN105043791 B CN 105043791B CN 201510575299 A CN201510575299 A CN 201510575299A CN 105043791 B CN105043791 B CN 105043791B
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Abstract
The invention discloses a kind of pneumatic gripping testing stand, including pedestal, pneumatic gripping fixed mechanism, two-freedom motion platform, clamping tension detection mechanism and displacement detecting mechanism；The pneumatic gripping fixed mechanism and two-freedom motion platform are each attached on pedestal；The clamping tension detection mechanism is arranged on two-freedom motion platform, and pneumatic gripping is fixed on pneumatic gripping fixed mechanism；The two-freedom motion platform driving clamps tension detection mechanism and moved in X-axis and Z-direction；The displacement detecting mechanism is provided with two, and two displacement detecting mechanisms are arranged on pedestal, and are located at the both sides of pneumatic gripping respectively.The present invention will clamp tension detection mechanism and be arranged on two-freedom motion platform, can realize and be automatically positioned, and precision is high, adjustable range is big, versatile, automaticity is high.
Description
Technical field
The present invention relates to a kind of pneumatic gripping testing stand.
Background technology
Pneumatic gripping is used for the braking of train, and the quality of its performance is directly connected to the safe for operation of train.Therefore it is pneumatic
The performance test of clamp is particularly significant.The performance test of pneumatic gripping includes routine test and fatigue test, routine test test
As a result after meeting technical indicator, fatigue test could be carried out.This testing stand mainly completes the customary examination of Multiple Type pneumatic gripping
Test, mainly including strength test, sensitivity test, seal tightness test, an adjustment amount experiment, the experiment of maximum adjustment amount, alleviation
Gap experiment, power output experiment, the sluggish experiment of pressure, hand-reset experiment and hand relieving experiment.
The defects of existing pneumatic gripping testing stand, includes：The performance test of single model pneumatic gripping is can be only done, is led to
It is poor with property；Test is coordinated with the position adjustments of false disk by pneumatic and manual mode to be completed, and precision is low and inconvenient for operation；Displacement
The test position regulation of testing agency is that pneumatic mode is completed, and position inaccurate, changing the clamp of different model will adjust again
Whole test position；An only pressure sensor inside false disk, effective clamping region area is small, influences pneumatic gripping power output
The accuracy of experimental test.
The content of the invention
It is an object of the invention to provide one kind to realize and to be automatically positioned, and precision height, adjustable range it is big, it is versatile,
The high pneumatic gripping testing stand of automaticity.
Realizing the technical scheme of the object of the invention is：A kind of pneumatic gripping testing stand, including pedestal, pneumatic gripping fix machine
Structure, two-freedom motion platform, clamp tension detection mechanism and displacement detecting mechanism；The pneumatic gripping fixed mechanism and two is freely
Degree motion platform is each attached on pedestal；The clamping tension detection mechanism is arranged on two-freedom motion platform, pneumatic gripping
It is fixed on pneumatic gripping fixed mechanism；The two-freedom motion platform driving clamps tension detection mechanism in X-axis and Z-direction
Upper movement；The displacement detecting mechanism is provided with two, and two displacement detecting mechanisms are arranged on pedestal, and are located at pneumatic clamps respectively
The both sides of pincers.
The pneumatic gripping fixed mechanism is in shaped door, and across in the top of two-freedom motion platform；The pneumatic clamps
Pincers are lifted on pneumatic gripping fixed mechanism.
The pneumatic gripping fixed mechanism includes supporting plate, top plate, cantilever beam, installation orifice plate, load-bearing axle and interface board；Institute
The both ends for stating top plate are respectively fixed on pedestal by one piece of supporting plate；One end of the cantilever beam is fixed on top plate；The peace
Dress orifice plate is fixed on the other end of cantilever beam, and installation orifice plate is provided with mounting hole；One end of the load-bearing axle is fixed on interface board,
Other end inserting is fixed in the mounting hole of installation orifice plate；The pneumatic gripping is fixed on interface board.
The pneumatic gripping fixed mechanism also includes being arranged on two lifting bolts at the top of interface board.
The two-freedom motion platform include line slideway, X-axis stepper motor, X-axis ball screw, X-axis feed screw nut,
X-axis mobile platform, Z axis side plate, Z axis top plate, Z axis stepper motor, Z axis ball screw and false disk installing plate；The line slideway
Provided with two, two line slideways are fixed on pedestal, and are be arranged in parallel with X-axis；The X-axis stepper motor is fixed on base
On seat, and X-axis ball screw is driven to rotate；The X-axis feed screw nut is threadedly coupled with X-axis ball screw；The X-axis movement is flat
Platform is fixedly connected with X-axis feed screw nut, and is slidably connected with two line slideways；The both ends of the Z axis top plate respectively pass through one piece of Z
Axle side plate is fixed on X-axis mobile platform；The Z axis stepper motor is fixed on Z axis top plate, and drives Z axis ball screw to turn
It is dynamic；The false disk installing plate is threadedly coupled with Z axis ball screw, and is slidably connected with Z axis side plate.
The clamping tension detection mechanism includes false disk interface board, the false disk being fixed on false disk interface board, and uniformly divides
Three pressure sensors of the cloth in false disk.
The false disc thickness adjustment plate for clamping tension detection mechanism and also including being arranged in false disk.
The displacement detecting mechanism includes stepper motor, timing belt, slide unit, sensor mount and laser displacement sensing
Device；The timing belt and slide unit be arranged in parallel with X-axis；The driving stepper motor timing belt moves in the X-axis direction；It is described
Sensor mount is fixed on timing belt, and is slidably connected with slide unit；The laser displacement sensor is fixed on sensor peace
Shelve.
A kind of pneumatic gripping testing stand, in addition to protective cover；The protective cover is arranged on pedestal, and covers pneumatic gripping
Fixed mechanism, two-freedom motion platform, clamp tension detection mechanism and displacement detecting mechanism.
A kind of pneumatic gripping testing stand, in addition to protective cover slide rail；The protective cover slide rail is provided with two, two protective covers
Slide rail is fixed on pedestal, and is be arranged in parallel with X-axis；Two side bottoms of the protective cover respectively with two protective cover slide rails
It is slidably connected.
Above-mentioned technical proposal is employed, the present invention has following beneficial effect：(1) present invention will clamp tension detection mechanism
On two-freedom motion platform, it can realize and be automatically positioned, and precision is high, adjustable range is big, versatile, automation
Degree is high.
(2) pneumatic gripping of the invention is lifted on pneumatic gripping fixed mechanism, simple in construction, easy for installation.During installation,
First pneumatic gripping is connected with interface board, then load-bearing axle inserting is fixed in the mounting hole of installation orifice plate, so as to complete gas
The fixation of dynamic clamp.
(3) pneumatic gripping fixed mechanism of the invention uses cantilever beam structure, and simple and stable structure is easily manufactured.
(4) two lifting bolts of the setting at the top of the interface board of pneumatic gripping fixed mechanism of the invention, are easy to carry gas
Dynamic clamp.
(5) two-freedom motion platform of the invention drives clamping tension detection mechanism to exist by two sets of motor drive screws
Moved in X-direction and Z-direction, have the characteristics that precision is high, adjustable range is big, versatile, automaticity is high.
(6) there is provided three pressure sensors to be evenly distributed on inside false disk for clamping tension detection mechanism of the invention, with showing
There is experiment to only have a pressure sensor to compare with inside false disk, the present invention increases effective clamping region area, and pneumatic gripping is defeated
Service test test result is more accurate.
(7) false disc thickness adjustment plate is set in the false disk of clamping tension detection mechanism of the invention, is easy to false disc thickness, with suitable
The requirement for answering pneumatic gripping to test.
(8) the driving stepper motor timing belt of displacement detecting mechanism of the invention drives laser displacement sensor in X-axis side
Move up, can be according to the optimum position of different series pneumatic gripping displacement measurement, the adjust automatically after pneumatic gripping is changed
The position of displacement measurement.
(9) protective cover of the invention can play a part of protection, extension device service life.
(10) protective cover of the invention is arranged on protective cover slide rail, is conveniently replaceable pneumatic gripping.
Brief description of the drawings
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram that pneumatic gripping is lifted on the pneumatic gripping fixed mechanism of the present invention.
Fig. 3 is the structural representation of the pneumatic gripping fixed mechanism of the present invention.
Fig. 4 is the schematic diagram for clamping tension detection mechanism and being arranged on two-freedom motion platform of the present invention.
Fig. 5 is the structural representation of the two-freedom motion platform of the present invention.
Fig. 6 is the structural representation of the clamping tension detection mechanism of the present invention.
Fig. 7 is the internal structure schematic diagram of the clamping tension detection mechanism of the present invention
Fig. 8 is the structural representation of the displacement detecting mechanism of the present invention.
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 8, the pneumatic gripping testing stand of the present embodiment, including pedestal 1, pneumatic gripping fixed mechanism 2, two certainly
By degree motion platform 3, clamp tension detection mechanism 4, displacement detecting mechanism 5, protective cover 6 and protective cover slide rail 7.
Pneumatic gripping fixed mechanism 2 and two-freedom motion platform 3 are each attached on pedestal 1.Tension detection mechanism 4 is clamped to pacify
On two-freedom motion platform 3, pneumatic gripping 8 is fixed on pneumatic gripping fixed mechanism 2.Two-freedom motion platform 3
Driving clamps tension detection mechanism 4 and moved in X-axis and Z-direction.Displacement detecting mechanism 5 is provided with two, two displacement detecting machines
Structure 5 is arranged on pedestal 1, and is located at the both sides of pneumatic gripping 8 respectively.Protective cover slide rail 7 is provided with two, two protective cover slide rails
7 are fixed on pedestal 1, and are be arranged in parallel with X-axis.Two side bottoms of protective cover 6 slide with two protective cover slide rails 7 respectively
Connection.Protective cover 6 covers pneumatic gripping fixed mechanism 2, two-freedom motion platform 3, clamps tension detection mechanism 4 and displacement detecting
Mechanism 5.
Pneumatic gripping fixed mechanism 2 is in shaped door, and across in the top of two-freedom motion platform 3.Pneumatic gripping 8 lifts
On pneumatic gripping fixed mechanism 2.Pneumatic gripping fixed mechanism 2 includes supporting plate 21, top plate 22, cantilever beam 23, installation orifice plate
24th, load-bearing axle 25, interface board 26 and lifting bolt 27.The both ends of top plate 22 are respectively fixed on pedestal 1 by one piece of supporting plate 21.
One end of cantilever beam 23 is fixed on top plate 22.Installation orifice plate 24 is fixed on the other end of cantilever beam 23, and installation orifice plate 24 is provided with
Mounting hole.One end of load-bearing axle 25 is fixed on interface board 26, and other end inserting is fixed in the mounting hole of installation orifice plate 24.Gas
Dynamic clamp 8 is fixed on interface board 26.The top of interface board 26 sets two lifting bolts 27.
First it is connected when pneumatic gripping 8 is installed with interface board 26, then using bolt 27 is lifted by crane transfer, by load-bearing
Axle 25, which inserts, to be fixed in the mounting hole of installation orifice plate 24, so as to complete the fixation of pneumatic gripping 8.
Two-freedom motion platform 3 includes line slideway 31, X-axis stepper motor 32, X-axis ball screw 33, X-axis screw mandrel spiral shell
Mother, X-axis mobile platform 34, Z axis side plate 35, Z axis top plate 36, Z axis stepper motor 37, Z axis ball screw 38 and false disk installing plate
39.Line slideway 31 is provided with two, and two line slideways 31 are fixed on pedestal 1, and are be arranged in parallel with X-axis.X-axis stepping
Motor 32 is fixed on pedestal 1, and drives X-axis ball screw 33 to rotate.X-axis feed screw nut connects with the screw thread of X-axis ball screw 33
Connect.X-axis mobile platform 34 is fixedly connected with X-axis feed screw nut, and is slidably connected with two line slideways 31.Z axis top plate 36
Both ends are respectively fixed on X-axis mobile platform 34 by one block of Z axis side plate 35.Z axis stepper motor 37 is fixed on Z axis top plate 36,
And Z axis ball screw 38 is driven to rotate.False disk installing plate 39 is threadedly coupled with Z axis ball screw 38, and is slided with Z axis side plate 35
Connection.
Clamping tension detection mechanism 4 includes false disk interface board 41, the false disk 42 being fixed on false disk interface board 41, is uniformly distributed
In three pressure sensors 43 of false disk 42, and the false disc thickness adjustment plate 44 being arranged in false disk 42.
Displacement detecting mechanism 5 includes stepper motor 51, timing belt 52, slide unit 53, sensor mount 54 and laser displacement
Sensor 55.Timing belt 52 and slide unit 53 be arranged in parallel with X-axis.Stepper motor 51 drives timing belt 52 to move in the X-axis direction
It is dynamic.Sensor mount 54 is fixed on timing belt 52, and is slidably connected with slide unit 53.Laser displacement sensor 55 is fixed on biography
On sensor mounting bracket 54.The side that laser displacement sensor 55 is directed at pneumatic gripping 8 carries out displacement detecting.Change pneumatic gripping 8
Afterwards, according to the optimal displacement test position of different series pneumatic gripping 8, stepper motor 51 drives timing belt 52 to drive sensor peace
Shelve 54 adjust automatically displacement measurement positions.
The pneumatic gripping testing stand of the present embodiment is due to there is provided two-freedom motion platform 3, therefore control system can be with
Record the position coordinates of false disk 42 corresponding to different model pneumatic gripping 8.When the pneumatic gripping 8 for changing different model is used for performance
During test, control system is by the position according to its model adjust automatically vacation disk 42.
It is sharp that the stepper motor 51 of the displacement detecting mechanism 5 of the pneumatic gripping testing stand of the present embodiment drives timing belt 52 to drive
Optical displacement sensor 55 moves in the X-axis direction, according to the optimum position of the displacement measurement of different series pneumatic gripping 8, is changing
The position of adjust automatically displacement measurement after pneumatic gripping.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
- A kind of 1. pneumatic gripping testing stand, it is characterised in that：Including pedestal (1), pneumatic gripping fixed mechanism (2), two-freedom Motion platform (3), clamp tension detection mechanism (4) and displacement detecting mechanism (5)；The pneumatic gripping fixed mechanism (2) and two is certainly It is each attached to by degree motion platform (3) on pedestal (1)；The clamping tension detection mechanism (4) is arranged on two-freedom motion platform (3) on, pneumatic gripping (8) is fixed on pneumatic gripping fixed mechanism (2)；Two-freedom motion platform (3) driving clamps Tension detection mechanism (4) moves in X-axis and Z-direction；The displacement detecting mechanism (5) is provided with two, two displacement detecting machines Structure (5) is arranged on pedestal (1), and is located at the both sides of pneumatic gripping (8) respectively；The displacement detecting mechanism (5) includes stepping Motor (51), timing belt (52), slide unit (53), sensor mount (54) and laser displacement sensor (55)；The timing belt (52) it is be arranged in parallel with slide unit (53) with X-axis；Stepper motor (51) the driving timing belt (52) is moved in the X-axis direction； The sensor mount (54) is fixed on timing belt (52), and is slidably connected with slide unit (53)；The laser displacement sensing Device (55) is fixed on sensor mount (54).
- A kind of 2. pneumatic gripping testing stand according to claim 1, it is characterised in that：The pneumatic gripping fixed mechanism (2) it is in shaped door, and across in the top of two-freedom motion platform (3)；The pneumatic gripping (8) is lifted on pneumatic gripping and fixed In mechanism (2).
- A kind of 3. pneumatic gripping testing stand according to claim 2, it is characterised in that：The pneumatic gripping fixed mechanism (2) supporting plate (21), top plate (22), cantilever beam (23), installation orifice plate (24), load-bearing axle (25) and interface board (26) are included；Institute The both ends for stating top plate (22) are respectively fixed on pedestal (1) by one piece of supporting plate (21)；One end of the cantilever beam (23) is fixed On top plate (22)；The installation orifice plate (24) is fixed on the other end of cantilever beam (23), and installation orifice plate (24) is provided with mounting hole； One end of the load-bearing axle (25) is fixed on interface board (26), and other end inserting is fixed on the mounting hole of installation orifice plate (24) It is interior；The pneumatic gripping (8) is fixed on interface board (26).
- A kind of 4. pneumatic gripping testing stand according to claim 3, it is characterised in that：The pneumatic gripping fixed mechanism (2) also include being arranged on two lifting bolts (27) at the top of interface board (26).
- A kind of 5. pneumatic gripping testing stand according to claim 1, it is characterised in that：The two-freedom motion platform (3) line slideway (31), X-axis stepper motor (32), X-axis ball screw (33), X-axis feed screw nut, X-axis mobile platform are included (34), Z axis side plate (35), Z axis top plate (36), Z axis stepper motor (37), Z axis ball screw (38) and false disk installing plate (39)； The line slideway (31) is provided with two, and two line slideways (31) are fixed on pedestal (1), and are be arranged in parallel with X-axis； The X-axis stepper motor (32) is fixed on pedestal (1), and drives X-axis ball screw (33) to rotate；The X-axis feed screw nut It is threadedly coupled with X-axis ball screw (33)；The X-axis mobile platform (34) is fixedly connected with X-axis feed screw nut, and with two directly Line guide rail (31) is slidably connected；It is flat that the both ends of the Z axis top plate (36) are respectively fixed on X-axis movement by one piece of Z axis side plate (35) On platform (34)；The Z axis stepper motor (37) is fixed on Z axis top plate (36), and drives Z axis ball screw (38) to rotate；Institute State false disk installing plate (39) to be threadedly coupled with Z axis ball screw (38), and be slidably connected with Z axis side plate (35).
- A kind of 6. pneumatic gripping testing stand according to claim 1, it is characterised in that：The clamping tension detection mechanism (4) Including false disk interface board (41), the false disk (42) being fixed on false disk interface board (41), and be evenly distributed in false disk (42) Three pressure sensors (43).
- A kind of 7. pneumatic gripping testing stand according to claim 6, it is characterised in that：The clamping tension detection mechanism (4) Also include the false disc thickness adjustment plate (44) being arranged in false disk (42).
- A kind of 8. pneumatic gripping testing stand according to claim 1, it is characterised in that：Also include protective cover (6)；It is described anti- Shield (6) is arranged on pedestal (1), and covers pneumatic gripping fixed mechanism (2), two-freedom motion platform (3), clamping force inspection Survey mechanism (4) and displacement detecting mechanism (5).
- A kind of 9. pneumatic gripping testing stand according to claim 8, it is characterised in that：Also include protective cover slide rail (7)；Institute Protective cover slide rail (7) is stated provided with two, two protective cover slide rails (7) are fixed on pedestal (1), and are be arranged in parallel with X-axis； Two side bottoms of the protective cover (6) are slidably connected with two protective cover slide rails (7) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510575299.8A CN105043791B (en) | 2015-09-10 | 2015-09-10 | A kind of pneumatic gripping testing stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575299.8A CN105043791B (en) | 2015-09-10 | 2015-09-10 | A kind of pneumatic gripping testing stand |
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| Publication Number | Publication Date |
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| CN105043791A CN105043791A (en) | 2015-11-11 |
| CN105043791B true CN105043791B (en) | 2018-01-26 |
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| CN201510575299.8A Active CN105043791B (en) | 2015-09-10 | 2015-09-10 | A kind of pneumatic gripping testing stand |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910802A (en) * | 2016-04-15 | 2016-08-31 | 杭州市萧山区高级技工学校 | Test bench for service life of clamp tool |
| CN106680000B (en) * | 2017-01-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | Brake clamp testing stand |
| CN106840632B (en) * | 2017-02-15 | 2019-03-01 | 常州中车铁马科技实业有限公司 | A kind of detection device and detection method of high-speed train braking nipper units |
| CN108801662B (en) * | 2018-06-21 | 2020-01-07 | 中车青岛四方车辆研究所有限公司 | Clamp unit hoisting assembly and clamp unit testing device comprising same |
| CN109374321B (en) * | 2018-11-20 | 2024-02-13 | 中国铁道科学研究院集团有限公司 | Railway vehicle brake caliper unit detection device and detection method |
| CN110231229B (en) * | 2019-07-09 | 2021-08-24 | 河南省计量科学研究院 | Comprehensive test device for clamping and twisting pliers and shearing pliers |
| CN111830312A (en) * | 2020-06-03 | 2020-10-27 | 南方电网科学研究院有限责任公司 | Electricity testing operation equipment for distribution line |
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Effective date of registration: 20211210 Address after: No. 355, Longjin Road, Lucheng street, Changzhou Economic Development Zone, Jiangsu Province Patentee after: Jiaotong railway inspection and certification (Changzhou) Co.,Ltd. Address before: 213164 No. 2 new middle road, Changzhou City University, Jiangsu Patentee before: CHANGZHOU College OF INFORMATION TECHNOLOGY |
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