CN207675420U - The reliability test of numerically-controlled machine tool elasticity chuck - Google Patents

Abstract

The utility model discloses the reliability tests of numerically-controlled machine tool elasticity chuck, the reliability test of the problem of overcoming without elastic chuck reliability test, numerically-controlled machine tool elasticity chuck includes the elastic chuck fixed part (I) of subject, simulation loading part (II), fault detection part (III), automatically controls part (IV) and ground black iron (64)；Wherein black iron (64) is mounted on ground, the elastic chuck fixed part (I) of subject is along the side for being longitudinally mounted to ground black iron (64) of ground black iron (64), simulation loading part (II) is along the other side for being longitudinally mounted to ground black iron (64) of ground black iron (64), fault detection part (III) is along the ground black iron (64) for being longitudinally mounted to be tested between elastic chuck fixed part (I) and simulation loading part (II) of ground black iron (64), part (IV) is automatically controlled to be mounted on by switch board therein (44) on the ground of ground black iron (64) side.

Description

The reliability test of numerically-controlled machine tool elasticity chuck

Technical field

The utility model is related to a kind of experimental rigs belonging to numerical control machine tool technique field, and more precisely, this practicality is new Type is related to a kind of reliability test of numerically-controlled machine tool elasticity chuck.

Background technology

Elastic chuck is a key feature of numerically-controlled machine tool, and reliability level directly affects the reliability of complete machine It is horizontal.Reliability test is the reliability test pair for improving one of the main path of product reliability, therefore carrying out elastic chuck In the reliability for improving elastic chuck, and finally realize that the growth of numerically-controlled machine tool whole aircraft reliability level is of great significance.When It is preceding domestic due to there is no the reliability test of numerically-controlled machine tool elasticity chuck, the laboratory reliability of elastic chuck can not be carried out Bench test is only capable of obtaining fault data, operation data and mantenance data by live reliability tracking test, and then carries out Corresponding fail-safe analysis.However live reliability tracking test is used to obtain elastic chuck fault data, operation data and dimension The method for repairing data, the test period is long, it is uncontrollable to test, and experiment can not reappear, and need to consume a large amount of human and material resources and wealth Power, therefore the practicability of live reliability tracking test method is not strong.On the contrary, can be fast by laboratory reliability bench test Speed obtains fault data, operation data and mantenance data, and experimental condition is controllable, and experiment process is reproducible.

Reliability test with the elastic chuck actual condition ability of simulation is to realize that elastic chuck laboratory is reliable Property bench test premise, the utility model provides a kind of reliability that can simultaneously multiple elastic chucks be carried out with Work condition analogues Experimental rig, extraordinary solve obtain fault data, operation data and mantenance data by live reliability tracking test The deficiency of method also to obtain fault data, operation data and the mantenance data of multiple elastic chucks in the short time, and then is found Its weak link simultaneously carries out Curve guide impeller and provides reliability test basis, is made that for the raising of numerically-controlled machine tool whole aircraft reliability Contribution.

Invention content

Technical problem to be solved in the utility model is overcome in the prior art without elastic chuck reliability test The problem of device, provides a kind of reliability test of numerically-controlled machine tool elasticity chuck.

In order to solve the above technical problems, the utility model adopts the following technical scheme that realization：The numerically-controlled machine tool The reliability test of elastic chuck include the elastic chuck fixed part of subject, simulation loading part, fault detection part, from Dynamic control section and ground black iron；

The ground black iron is mounted on ground, is tested elastic chuck fixed part and is mounted on the one of ground black iron along longitudinal direction Side, simulation loading part are mounted on the other side of ground black iron along longitudinal direction, the elastic chuck branch being tested in elastic chuck fixed part Frame and the power transmission baffle in simulation loading part are parallel to just；Fault detection part is mounted on the elastic chuck of subject and fixes along longitudinal direction On ground black iron between part and simulation loading part, the ball-screw in fault detection part is parallel with elastic card disc carrier； It automatically controls on the ground that part is mounted on by switch board therein around ground black iron, automatically controls part and simulation loading portion Divide, the connection of failure detecting section separated wire.

Subject elasticity chuck fixed part described in technical solution further includes No.1 elasticity chuck retaining element, No. two bullets Property chuck retaining element, No. three elastic chuck retaining elements, No. four elastic chuck retaining elements fixed with No. five elastic chucks it is first Part；The No.1 elasticity chuck retaining element, No. two elastic chuck retaining elements, No. three elastic chuck retaining elements, No. four Elastic chuck retaining element is identical as No. five elastic chuck retaining element structures；No.1 elasticity chuck retaining element, No. two elasticity Chuck retaining element, No. three elastic chuck retaining elements, No. four elastic chuck retaining elements and No. five elastic chuck retaining elements Be mounted on elastic card disc carrier using screw bolt and nut, No.1 elasticity chuck retaining element, No. two elastic chuck retaining elements, No. three elastic chuck retaining elements, No. four elastic chuck retaining elements are adjacent with No. five elasticity chuck retaining elements between the two Apart from equal, No.1 elasticity chuck retaining element, No. two elastic chuck retaining elements, No. three elastic chuck retaining elements, No. four Elastic chuck retaining element is equal with No. five elastic chuck retaining element distance ground height of black iron, the bottom end of elastic card disc carrier It is connected and fixed using bolt and ground black iron.

No.1 elasticity chuck retaining element described in technical solution is disc-shaped structure part, by circular flange disk, annulus Body cropped ear composition identical with three structures, circular flange disk are connected from left to right with torus, circular flange disk and circle The rotation conllinear of ring body is provided with three-stage stepped hole along the axis of rotation of circular flange disk and torus, stepped hole From big to small from right to left, large diameter hole is formed by with middle diametric hole on annular step tread equal at 120 ° there are three settings diameter Even distribution for being fixedly connected with the tapped blind hole of No.1 elasticity chuck, large diameter hole on No.1 elasticity chuck retaining element Inner hole wall and by between the lateral surface of test specimen No.1 elasticity chuck be clearance fit；The periphery of circular flange disk is radially uniform Distribution is respectively set that there are one bolt holes on three cropped ears there are three and with the cropped ear of circular flange disk stack pile.

Elastic card disc carrier upper end described in technical solution is a rectangular slat surface plate, on rectangular slat surface plate Even to be dispersed with five groups of through-holes, every group of through-hole separately includes three and the two neighboring through-hole at 120 ° of angles, every group of through-hole distribution The through-hole distribution situation of situation and three cropped ears on the No.1 elasticity chuck retaining element in the elastic chuck fixed part of subject It is consistent；The same side of every group of through-hole on the rectangular slat surface plate of elastic card disc carrier upper end is also evenly distributed with and failure No.1 force snesor holder, No. two force snesor holders in detection part, No. three force snesor holders, No. four force snesor branch Frame tapped through hole corresponding with the base plate through holes of No. five force snesor holders；Elastic card disc carrier lower end is symmetrically arranged two The identical lower end holder of structure, the both ends of the bottom face of the rectangular slat surface plate of upper end lower end holder identical with two structures Top be connected；The lower end holder include support mainboard, the preceding floor of triangle, triangle rear floor with just Rectangular base board；Support the width of mainboard equal with the width of base board, support mainboard is perpendicular to the symmetrical center of base board At line, the preceding floor of triangle, the rear floor of triangle are symmetrically located at the front end face for supporting mainboard and rear end face and base board Top end face between, and and support mainboard front end face, rear end face be connected with the top end face of base board, on each base board It is uniformly distributed there are four bolt hole, elastic card disc carrier is provided with forward and backward floor by two lower end before and after symmetrical The base board of holder is connect with Horizon ferropexy respectively.

Simulation loading part described in technical solution further includes No.1 power transmission disk, No. two power transmission disks, No. three power transmissions Disk, No. four power transmission disks, No. five power transmission disks, U-shaped board, No.1 cylinder fore-stock, No. two cylinder fore-stocks, cylinder connection Head, cylinder, cylinder power source and cylinder after-poppet；The No.1 power transmission disk, No. two power transmission disks, No. three power transmission disks, The screw rod end of three struts on No. four power transmission disks and No. five power transmission disks is sequentially inserted into five groups of through-holes on power transmission baffle And it is fixedly connected using nut；The middle of power transmission baffle is connect with the installation otic placode of U-shaped board both sides using bolts and nuts solid Fixed, the slot bottom of the intermediate groove of U-shaped board is connected and fixed with cylinder connector using bolts and nuts, at the center of cylinder connector Weld together with the piston rod head of cylinder, the front end of cylinder respectively with No.1 cylinder fore-stock and No. two cylinder fore-stocks Upper end is fixed by bolts connection, and the rear end of cylinder is fixed by bolts with the upper end of cylinder after-poppet to be connect, before No.1 cylinder The pedestal of holder, No. two cylinder fore-stocks and cylinder after-poppet is bolted on ground black iron, cylinder and cylinder power source Between using hose connect.

Fault detection part described in technical solution includes power variation fault detection part；The power variation failure inspection It includes No.1 force snesor, No. two force snesors, No. three force snesors, No. four force snesors, No. five force snesors, one to survey part Number force snesor detection bar, No. two force snesor detection bars, No. three force snesor detection bars, No. four force snesor detection bars, five Number force snesor detection bar, No.1 force snesor holder, No. two force snesor holders, No. three force snesor holders, No. four power pass Sensor bracket, No. five force snesor holders, No.1 detection folder, No. two detection folders, No. three detection folders, No. four detection folders and No. five inspections Survey folder；The No.1 force snesor holder, No. two force snesor holders, No. three force snesor holders, No. four force snesor branch Frame and No. five force snesor holders are mounted on elastic card disc carrier, No.1 force snesor holder, No. two force snesor holders, three Number force snesor holder, No. four force snesor holders and No. five force snesor holders are sequentially located at the elastic chuck fixed part of subject In No.1 elasticity chuck retaining element, No. two elastic chuck retaining elements, No. three elastic chuck retaining elements, No. four elastic cards The left side of disk retaining element and No. five elastic chuck retaining elements；No.1 force snesor, No. two force snesors, No. three power sensings Device, No. four force snesors and No. five force snesors are fixedly mounted on No.1 force snesor holder successively using bolt, No. two power pass Sensor bracket, No. three force snesor holders, No. four force snesor holders and No. five force snesor holders right side on；No.1 is examined Survey the No.1 elastic card that folder, No. two detection folders, No. three detection folders, No. four detection folders are sequentially arranged at subject with No. five detection folders Disk, No. two elastic chucks, No. three elastic chucks, No. four elastic chucks on the side wall of No. five elasticity chucks, No.1 force snesor Detection bar, No. two force snesor detection bars, No. three force snesor detection bars, No. four force snesor detection bars and No. five force snesors The screw rod end of detection bar is sequentially inserted into No.1 detection folder, No. two detection folders, No. three detection folders, No. four detection folders and is pressed from both sides with No. five detections In through-hole in the clamp arm of both sides, and fixed using nut, No.1 force snesor detection bar, No. two force snesor detection bars, No. three The other end of force snesor detection bar, No. four force snesor detection bars and No. five force snesor detection bars is sensed with No.1 power successively Device, No. two force snesors, No. three force snesors, No. four force snesors are in contact with No. five force snesors.

Fault detection part described in technical solution further includes change in displacement fault detection part and temperature change failure Detection part；The temperature change fault detection part includes No.1 temperature sensor, No. two temperature sensors, No. three temperature Sensor, No. four temperature sensors and No. five temperature sensors, No.1 temperature sensor, No. two temperature sensors, No. three temperature Sensor, No. four temperature sensors are identical as No. five arrangement of temperature sensor；The change in displacement fault detection part includes No.1 displacement sensor detection bar, No. two displacement sensor detection bars, third place displacement sensor detection bar, No. four displacement sensors Detection bar, No. five displacement sensor detection bars, guide rail, motor, displacement sensor bracket, displacement sensor, No.1 displacement sensing Device detection folder, No. two displacement sensors detect folder, third place displacement sensor detects folder, No. four displacement sensor detections are pressed from both sides and No. five Displacement sensor detection folder；The guiderail base for being equipped with ball-screw, guide rail and sliding block, which is fixed by bolts, to be connected to On ground black iron, ball-screw head is connected to the motor using shaft coupling and is connect；The pedestal of displacement sensor bracket uses bolt and cunning The top of block connects, and displacement sensor is fixed by bolts mounted on the upper end of displacement sensor bracket, No.1 displacement sensor Detection bar, No. two displacement sensor detection bars, third place displacement sensor detection bar, No. four displacement sensor detection bars and No. five positions The stock end head of displacement sensor detection bar detects folder, three with No.1 displacement sensor detection folder, No. two displacement sensors successively Number displacement sensor detection folder, No. four displacement sensors detection folders are pressed from both sides with No. five displacement sensors detections to be welded together, No.1 Displacement sensor detection folder, No. two displacement sensor detection folders, third place displacement sensor detection folder, No. four displacement sensor detections Folder is sequentially arranged at the No.1 elasticity chuck of subject, No. two elastic chucks, No. three elastic cards with No. five displacement sensor detection folders It is clamped on the side wall of disk, No. four elastic chucks and No. five elastic chuck lower ends and using bolts and nuts, No.1 displacement sensor Detection bar, No. two displacement sensor detection bars, third place displacement sensor detection bar, No. four displacement sensor detection bars and No. five positions The quarter butt head of displacement sensor detection bar is equidistant in the vertical direction with the top of displacement sensor successively；No.1 temperature sensing Device, No. two temperature sensors, No. three temperature sensors, No. four temperature sensors and No. five temperature sensors are attached to subject successively No.1 elasticity chuck, No. two elastic chucks, No. three elastic chucks, No. four elastic chucks on the side wall of No. five elasticity chucks.

The part that automatically controls described in technical solution connects with simulation loading part, failure detecting section separated wire and refers to： The part that automatically controls includes switch board, display, keyboard input devices, upper industrial personal computer, the next PLC technology Device and A/D capture cards, wherein display, keyboard input devices, upper industrial personal computer, the next programmable controller, A/D capture cards peace Mounted in the inside of switch board；The interface of the next programmable controller up direction is connect with upper industrial personal computer line, the next The interface of programmable controller down direction is connect with three-position four-way electromagnetic directional valve line；A/D capture cards totally 12 interfaces, A/D One interface of capture card up direction is connect with upper industrial personal computer line, and 11 interfaces of down direction are sensed with No.1 power respectively Device, No. two force snesors, No. three force snesors, No. four force snesors, No. five force snesors, displacement sensor, No.1 temperature pass Sensor, No. two temperature sensors, No. three temperature sensors, No. four temperature sensors are connect with No. five temperature sensor lines.

Compared with prior art the utility model has the beneficial effects that：

1. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model is using cylinder to subject elasticity Chuck carries out load load, simulates the operating mode of elastic chuck in the operating condition, load amplitude and frequency can be according to different operating modes It is adjusted into Mobile state, load loading accuracy is high, load is convenient.

2. any one, which can be used, in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model has The equipment of displacement output function carries out load load to elastic chuck, increases the flexibility of reliability test.

3. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model has automatic control system, can In the state for extended periods automatic running of no worker monitor, the labor intensity of testing crew can be reduced, it is automatic carry out elastic chuck can It is tested by property, the incipient fault of excitation and the elastic chuck of exposure provides practical basic data for its reliability growth and assessment.

It, can be in real time 4. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model has force snesor The size for detecting elastic card disk folder clamp force, Realtime Alerts can be realized when insufficient clamping force.

5. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model has temperature sensor, can be Elastic chuck is when the temperature is excessively high and alarm, it is ensured that the accuracy of reliability test result.

6. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model has displacement sensor, can be with By detecting the change in displacement of elastic chuck, fault pre-alarming is realized to the elastic chuck of failure, saves the time of reliability test, Reduce testing expenses.

7. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model can be same to multiple elastic chucks Shi Jinhang reliability tests only need certain modification that can carry out experiment in the case of more than 5, embody the spirit of the present apparatus Activity and versatility.

8. the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model is reasonable for structure, test principle is complete It is kind, it is suitable for the experiments such as reliability assessment and the reliability growth of elastic chuck.

Description of the drawings

The utility model will be further described below with reference to the accompanying drawings：

Fig. 1 is that the axis of the reliability test structure composition of numerically-controlled machine tool elasticity chuck described in the utility model surveys throwing Video display figure；

Fig. 2 be Fig. 1 described in numerically-controlled machine tool elasticity chuck reliability test structure composition B to axonometric projection regard Figure；

Fig. 3 is partial enlargement of the reliability test structure composition of the numerically-controlled machine tool elasticity chuck described in Fig. 2 at D View；

Fig. 4 is the subject elasticity chuck in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model The axonometric projection view of fixed part structure composition；

Fig. 5 ties for simulation loading part in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model The axonometric projection view of structure composition；

Fig. 6 changes fault detect for power in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model The axonometric projection view of part-structure composition；

Fig. 7 is the axonometric projection view of a part of structure composition in the power variation fault detection part described in Fig. 5；

Fig. 8 examines for change in displacement failure in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model Survey the axonometric projection view of part-structure composition；

Fig. 9 is the displacement sensor and ball screw arrangement employed in the change in displacement fault detection part described in Fig. 8 The axonometric projection view of composition；

Figure 10 is No.1 elasticity chuck in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model With No.1 elasticity chuck retaining element assembly relation separate type axonometric projection view；

Figure 11 be numerically-controlled machine tool elasticity chuck described in the utility model reliability test in automatically control part Structural principle block diagram；

Figure 12 is cylinder control loop in the reliability test of numerically-controlled machine tool elasticity chuck described in the utility model Structure principle chart.

Figure 13 be numerically-controlled machine tool elasticity chuck described in the utility model reliability test in automatically control part Each component interconnecting line schematic diagram.

In figure：The elastic chuck fixed part of I, subjects, II, simulation loadings part, III, fault detection parts, IV, are controlled automatically Part processed, 1. No.1 force snesor holders, 2. No.1 force snesors, 3. No.1 force snesor detection bars, 4. No.1 elasticity chucks Retaining element, 5. No.1 power transmission disks, 6. No.1s detection folder, 7. No.1 elasticity chucks, 8. No.1 displacement sensor detection bars, 9. No. two force snesor holders, 10. No. two force snesors, 11. No. two force snesor detection bars, 12. No. two elastic chucks fix member Part, 13. No. two power transmission disks, 14. No. two detection folders, 15. No. two displacement sensor detection bars, 16. No. three force snesor holders, 17. No. three force snesors, 18. No. three force snesor detection bars, 19. No. three elastic chuck retaining elements, 20. No. three detection folders, 21. No. three power transmission disks, 22. third place displacement sensor detection bars, 23. No. four force snesor holders, 24. No. four force snesors, 25. No. four force snesor detection bars, 26. No. four elastic chuck retaining elements, 27. No. four detection folders, 28. No. four power transmission disks, 29. No. four displacement sensor detection bars, 30. No. five force snesor holders, 31. No. five force snesors, 32. No. five force snesor inspections Measuring staff, 33. No. five power transmission disks, 34. No. five detection folders, 35. No. five elastic chucks, 36. No. five elastic chuck retaining elements, 37. No. five displacement sensor detection bars, 38. power transmission baffles, 39. ball-screws, 40. guide rails, 41. shaft couplings, 42. motor branch Frame, 43. motors, 44. switch boards, 45. elastic card disc carriers, 46. No.1 temperature sensors, 47. guiderail bases, 48. No. two temperature Spend sensor, 49. sliding blocks, 50. displacement sensor brackets, 51. No. two elastic chucks, 52. displacement sensors, 53. No. three temperature Sensor, 54. No. three elastic chucks, 55.U templates, 56. No.1 cylinder fore-stocks, 57. No. two cylinder fore-stocks, 58. cylinders connect Connector, 59. cylinders, 60. cylinder after-poppets, 61. No. four temperature sensors, 62. No. four elastic chucks, 63. No. five temperature sensing Device, 64. ground black irons, 65. lead screw guide rails after-poppets, 66. No.1 displacement sensors detection folder, 67. No. two displacement sensor detections Folder, 68. third place displacement sensors detection folder, 69. No. four displacement sensor detection folders, 70. No. five displacement sensor detection folders, 71. dormant bolt, 72. upper industrial personal computers, 73. the next programmable controllers, 74. three-position four-way electromagnetic directional valves, 75.A/D are adopted Truck, 76. oil sprayers, 77. air pumps, 78. pressure reducing valves, 79. air filters.

Specific implementation mode

The utility model is explained in detail below in conjunction with the accompanying drawings：

Cnc ReliabilityintelligeNetwork Network experiments have shown that, elastic chuck be influence Cnc ReliabilityintelligeNetwork Network one of vital part.Bullet Property chuck can clamp the machining accuracy that workpiece directly affects workpiece, while elastic chuck failure is more, has seriously affected numerical control machine The reliability level of bed complete machine, it is the key that improve numerically-controlled machine tool whole aircraft reliability to improve its reliability.Carry out reliability test, It can investigate thoroughly the weak link of reliability, and then propose Curve guide impeller, therefore reliability test is the main of raising product reliability One of approach.Carry out elastic chuck reliability test for improving its reliability level, so improve numerically-controlled machine tool complete machine can Play an important roll by property.According to the requirement of reliability test, the real working condition for simulating elastic chuck is needed, operating mode is applied to it Load；Since the time of reliability test is longer, it cannot be tested merely, it requires reliable for a long time by testing crew Property experimental rig can automatic running, realize the automatic detection of failure, and Realtime Alerts.

To improve the efficiency of reliability test, elastic chuck reliability test should can be same to multiple elastic chucks Shi Kaizhan reliability tests so experimental rig requires the elastic chuck of replacement subject to want convenient, fast, while being tested elastic chuck Being laid out in experimental rig not to influence each other rationally,；There is the ability of the elastic chuck actual condition of simulation subject simultaneously.

To sum up, the function that realize above-mentioned elastic chuck reliability test, needs to solve the problems, such as follows：

1. experiment being capable of automatic running；

2. the elastic chuck of pair subject carries out the load of simulation operating loading；

3. the detection of failure includes the detection to elastic chuck temperature change, the detection to the variation of elastic card disk folder clamp force, Detection to elastic chuck change in displacement because of caused by dynamic clamping force；

4. realizing multiple elastic chuck reliability tests simultaneously；

5. it is convenient, reasonable that the dismounting of the elastic chuck of subject and arrangement are answered.

In view of the above-mentioned problems, providing a kind of reliability examination of convenient and practical, convenient for disassembly and assembly numerically-controlled machine tool elasticity chuck Experiment device, numerically-controlled machine tool elasticity chuck reliability test described in the utility model by the elastic chuck fixed part I of subject, Simulation loading part ii, fault detection part III automatically control part IV and ground black iron 64 and form, can be according to given reliable Property test method effectively realize the reliability test of the elastic chuck of subject, the utility model efficiently solves the above problem.

1. subject elasticity chuck fixed part I

Refering to Fig. 4, the subject elasticity chuck fixed part I includes 4, No. two elasticity of No.1 elasticity chuck retaining element The elastic elastic chuck of chuck retaining element 26, five of the elastic chuck retaining element 19, four of chuck retaining element 12, three is fixed Element 36 and elastic card disc carrier 45.Wherein：The elastic chuck retaining element 12, three of No.1 elasticity chuck retaining element 4, two The elastic chuck retaining element 26 of elastic chuck retaining element 19, four is identical as the structure of No. five elastic chuck retaining elements 36.

Refering to fig. 10, the No.1 elasticity chuck retaining element 4 is disc-shaped structure part, by circular flange disk, annulus Body cropped ear composition identical with three structures, circular flange disk are connected from left to right with torus, circular flange disk and circle The rotation conllinear of ring body is provided with three-stage stepped hole along the axis of rotation of circular flange disk and torus, stepped hole From big to small from right to left, large diameter hole is formed by with middle diametric hole on annular step tread equal at 120 ° there are three settings diameter The tapped blind hole of even distribution, for No.1 elasticity chuck 7 to be fixedly connected on No.1 elasticity chuck retaining element 4, major diameter It is clearance fit between the inner hole wall and the lateral surface of No.1 elasticity chuck 7 in hole.The periphery of circular flange disk is radially uniform Distribution there are three at 120 ° and with the cropped ear of circular flange disk stack pile, it is logical to be respectively set that there are one bolts on three cropped ears Hole, for No.1 elasticity chuck retaining element 4 to be fixedly connected on elastic card disc carrier 45.

Refering to Fig. 4,45 upper end of elastic card disc carrier is a rectangular slat surface plate, and five groups are uniform-distribution on plate Through-hole, every group of through-hole separately include three through-holes being distributed at 120 °, and every group of through-hole distribution situation is fixed with No.1 elasticity chuck The bolt hole distribution situation of three cropped ears is consistent in element 4；In addition, the rectangular slat plane of 45 upper end of elastic card disc carrier Also be uniform-distribution on plate five groups respectively with the force snesor branch of force snesor holder 9, three of No.1 force snesor holder 1, two The corresponding tapped through hole of base plate through holes of the force snesor holder 30 of force snesor holder 23, five of frame 16, four；Elastic chuck 45 lower end of holder is symmetrically arranged the identical lower end holder of two structures, the both ends of the bottom face of the rectangular slat surface plate of upper end The top of lower end holder identical with two structures is connected.

The lower end holder includes rear floor and the square for supporting mainboard, the preceding floor of triangle, triangle Base board；Support the width of mainboard equal with the width of base board, support mainboard is perpendicular to the symmetrical centerline of base board, and three The rear floor of angular preceding floor, triangle is symmetrically located at the top end face of the front end face and rear end face and base board of support mainboard Between, and and support mainboard front end face, rear end face be connected with the top end face of base board, be uniformly distributed on each base board There are four bolt hole, elastic card disc carrier 45 is provided with forward and backward floor by two lower end holder before and after symmetrical Base board is fixedly connected with ground black iron 64 with bolt respectively.

Refering to Fig. 4, No.1 elasticity chuck 7 is fixed on the major diameter of No.1 elasticity chuck retaining element 4 using dormant bolt Kong Zhong, No. two elastic chucks 51 are fixed on using dormant bolt in the large diameter hole of No. two elastic chuck retaining elements 12, No. three Elastic chuck 54 is fixed on using dormant bolt in the large diameter hole of No. three elastic chuck retaining elements 19, No. four elastic chucks 62 It is fixed on using dormant bolt in the large diameter hole of No. four elastic chuck retaining elements 26, No. five elastic chucks 35 use countersunk head spiral shell Bolt is fixed in the large diameter hole of No. five elastic chuck retaining elements 36.Such structure can ensure that No.1 elasticity chuck fixes member The elastic chuck retaining element 12, three of part 4, two 19, No. four elasticity chuck retaining elements 26 and five of elastic chuck retaining element Number elastic chuck retaining element 36 respectively with No.1 elasticity chuck 7, No. two elastic chucks, 51, No. three elastic chucks, 54, No. four bullets Property chuck 62 and No. five elastic chucks 35 be accurately positioned, ensure that reliability test accurately carries out.Additionally due to five bullets Property chuck be evenly distributed on elastic card disc carrier 45, it is ensured that five elastic chuck uniform forces reduce loaded load Error.12, No. three elasticity chuck retaining elements 19, four of elastic chuck retaining element of No.1 elasticity chuck retaining element 4, two Three sets of bolts and spiral shell is respectively adopted with three cropped ears on No. five elasticity chuck retaining elements 36 in number elastic chuck retaining element 26 Mother, which connects, to be fixed on elastic card disc carrier 45, and bolt is respectively adopted in two base boards of the bottom end of elastic card disc carrier 45 It is connected and fixed with ground black iron 64, ensures the stability for being tested elastic chuck fixed part I in loading procedure, No.1 elasticity chuck The elastic chuck retaining element 19 of the elastic chuck retaining element 12, three of retaining element 4, two, No. four elastic chuck retaining elements 26 with No. five elastic chuck retaining elements 36 it is adjacent between the two at a distance from equal, 4, No. two bullets of No.1 elasticity chuck retaining element Property the elastic chuck retaining elements 19 of chuck retaining element 12, three, No. four elastic chuck retaining elements 26 and No. five elasticity chucks Height of the retaining element 36 apart from ground black iron 64 is equal.

2. simulation loading part ii

Refering to Fig. 5, the simulation loading part ii includes the power transmission of power transmission disk 13, three of No.1 power transmission disk 5, two The power transmission disk 28, five of disk 21, four power transmission disk 33, power transmission baffle 38, U-shaped board 55, No.1 cylinder fore-stock 56, two Cylinder fore-stock 57, cylinder connector 58, cylinder 59, cylinder after-poppet 60 and cylinder power source；Cylinder power source includes three Four-way electromagnetic reversing valve 74, oil sprayer 76, air pump 77, pressure reducing valve 78 and air filter 79.

Refering to fig. 12, the three-position four-way electromagnetic directional valve 74, air pump 77 are selected according to test requirements document according to standard, institute Oil sprayer 76, pressure reducing valve 78, the air filter 79 stated form pneumatic triple piece, play protection equipment, extension equipment uses the longevity The effect of life is pressed standard and is selected.The gas outlet of air pump 77 and the entrance of pneumatic triple piece are connected by hose, pneumatic triple piece Outlet connect by hose with the P of three-position four-way electromagnetic directional valve 74 mouths, P mouthfuls be three-position four-way electromagnetic directional valve 74 air inlet Mouthful.The A mouths of three-position four-way electromagnetic directional valve 74, B mouthfuls connect respectively by hose with the air inlet of cylinder 59, exhaust outlet, A mouthfuls, B Oral thermometer shows the blow vent of access cylinder, and T mouthfuls are exhaust outlet.Wherein the erection sequence of pneumatic triple piece is respectively sky according to airintake direction Air filter 79, pressure reducing valve 78, oil sprayer 76 are closely connected without pipe between pneumatic triple piece.

The cylinder after-poppet 60 includes rectangular slab, the identical bracket base of two structures；

Bolt hole there are four being evenly distributed on the rectangular slab, positional structure and the cylinder 59 of four bolt holes The positional structure of threaded hole on back seat is corresponding.Rectangular slab passes through the identical bracket base of two structures comprising deep floor It is joined with bolts with ground black iron 64.

The bracket base includes the floor and pedestal of isosceles triangle, and it is logical that four bolts are evenly distributed on pedestal Hole, for bracket base to be fixed on ground black iron 64 using bolt；The floor bottom end of the identical isosceles triangle of two structures Vertical at base center and be connected, the top of the floor of the identical isosceles triangle of two structures is symmetrically and rectangular slab Two inferior horns at be fixedly connected；The rectangular slab that the floor top of isosceles triangle identical with two structures is fixedly connected is under The identical pedestal of two structures of side is vertical.

Refering to Fig. 3, the No.1 cylinder fore-stock 56 and No. two cylinder fore-stocks 57 are identical structural member, No.1 gas The upper end of cylinder fore-stock 56 and No. two cylinder fore-stocks 57 is No. 1 semi-circular shape plate and No. 2 semi-circular shape plates, every piece of semicircle respectively Two bolt holes corresponding with 59 nose threads hole of cylinder are dispersed on annular slab.No.1 cylinder fore-stock 56 and No. two gas The middle section of cylinder fore-stock 57 is provided with No. 1 cradling piece and No. 2 cradling pieces of the identical rectangle iso-cross-section of structure, No.1 gas Cylinder fore-stock 56 is identical No. 1 pedestal of structure and No. 2 pedestals, No. 1 pedestal and No. 2 bottoms with the bottom end of No. two cylinder fore-stocks 57 The identical bolt hole of structure there are four being respectively evenly distributed on seat.

The bottom end and No. 1 cradling piece of No. 1 semi-circular shape plate and No. 2 semi-circular shape plates and the top of No. 2 cradling pieces are using welding The mode of connecing is fixedly connected, the front/rear end and No. 1 cradling piece and No. 2 holders of No. 1 semi-circular shape plate and No. 2 semi-circular shape plates The front/rear end of bar is coplanar, and the central axis and the upper surface of No. 1 pedestal and No. 2 pedestals of No. 1 cradling piece and No. 2 cradling pieces hang down Directly, and at the bottom end and the upper surface center of No. 1 pedestal and No. 2 pedestals of No. 1 cradling piece and No. 2 cradling pieces welding manner is used It is fixedly connected.

No.1 cylinder fore-stock 56 is adopted with No. two cylinder fore-stocks 57 by its No. 1 pedestal and No. 2 pedestals and ground black iron 64 It is joined with bolts.

The U-shaped board 55 is U-shaped groove-like in the lateral cross section parallel with ground black iron, 55 intermediate groove of U-shaped board Four positive bolt holes opposite with four bolt holes on cylinder connector 58 are evenly distributed on slot bottom.55 liang of U-shaped board Two bolt holes for being fixedly connected using bolts and nuts with power transmission baffle 38 are respectively distributed on the installation otic placode of side.

The power transmission baffle 38 is one block of rectangular slat plate, and five groups of through-holes are uniformly distributed on power transmission baffle 38, and every group logical Kong Weisan through-hole, three through-holes are uniformly distributed at 120 °, five groups of through-holes successively with 5, No. two power transmission disks of No.1 power transmission disk 13, the spiro rod section of 21, No. four power transmission disks 28 of No. three power transmission disks and three struts on No. five power transmission disks 33 uses nut It is connected and fixed.In addition, 38 middle section of power transmission baffle be also dispersed with two groups totally four with 55 both sides of U-shaped board installation otic placode on be distributed Two corresponding bolt holes of bolt hole, and be connected and fixed using screw bolt and nut.

Described 21, No. four power transmission disks 28 and five of power transmission disk of power transmission disk 13, three of No.1 power transmission disk 5, two The structure of number power transmission disk 33 is identical.The No.1 power transmission disk 5 include circular ring shape plate strut identical with three structures, three The identical strut of a structure is staged straight rod member, and one end of the identical strut of three structures is polished end, the other end, that is, screw rod End is provided with external screw thread, and the diameter of light bar segment is more than the diameter of spiro rod section；The side of circular ring shape plate is fixed by welding It is connected to the polished end in 120 ° of equally distributed three struts, the screw rod end of three struts uses nut and 38 phase of power transmission baffle It is connected and fixed.

Refering to fig. 1, the circular ring shape plate of Fig. 4 and Fig. 5, No.1 power transmission disk 5 connect with the front end face of No.1 elasticity chuck 7 It touches, the circular ring shape plate of No. two power transmission disks 13 is in contact with the front end face of No. two elastic chucks 51, the circle of No. three power transmission disks 21 Annular slab is in contact with the front end face of No. three elastic chucks 54, the circular ring shape plate and No. four elastic chucks 62 of No. four power transmission disks 28 Front end face be in contact, the circular ring shape plate of No. five power transmission disks 33 is in contact with the front end face of No. five elastic chucks 35.No.1 passes The strut of 21, No. four power transmission disks 28 of the power transmission disk of power transmission disk 13, three of power disk 5, two and No. five power transmission disks 33 Screw rod end is sequentially inserted into the through-hole on power transmission baffle 38, and is fixedly connected by nut.Power transmission baffle 38 and cylinder connector 58 are connected by U-shaped board 55, and the installation otic placode Yu power transmission baffle 38 of wherein 55 both sides of U-shaped board are fixed on biography by bolts and nuts On power baffle 38, cylinder connector 58 and the slot bottom of 55 intermediate groove of U-shaped board are connected and fixed by bolts and nuts.This structure Advantage is effectively to decompose the concentrated force of cylinder 59, makes the elastic chuck of the elastic chuck 51, three of No.1 elasticity chuck 7, two 54, No. four elastic chucks 62 and No. five 35 uniform stresseds of elastic chuck.Cylinder connector 58 and the piston rod head of cylinder 59 weld It is connected together, can be moved with the movement of 59 piston of cylinder.The front end of cylinder 59 respectively with No.1 cylinder fore-stock 56 and No. two cylinder fore-stocks 57 are bolted fixation, and the pedestal of No.1 cylinder fore-stock 56 and No. two cylinder fore-stocks 57 passes through Bolt is fixedly connected on ground black iron 64.The rear end of cylinder 59 is bolted with cylinder after-poppet 60, and cylinder after-poppet 60 pedestals are bolted to connection on ground black iron 64.When cylinder 59 starts to move back and forth, driven by power transmission baffle 38 21, No. four power transmission disks 28 of the power transmission disk of power transmission disk 13, three of No.1 power transmission disk 5, two and No. five power transmission disks 33 are total With reciprocating motion.Because the circular ring shape plate of No.1 power transmission disk 5 is contacted with the front end face of No.1 elasticity chuck 7, No. two power transmission circles The circular ring shape plate of disk 13 is contacted with the front end face of No. two elastic chucks 51, the circular ring shape plate and No. three elasticity of No. three power transmission disks 21 The front end face of chuck 54 contacts, and the circular ring shape plate of No. four power transmission disks 28 is contacted with the front end face of No. four elastic chucks 62, No. five The circular ring shape plate of power transmission disk 33 is in contact with the front end face of No. five elastic chucks 35, so 5, No. two power transmissions of No.1 power transmission disk The reciprocating motion of disk 13, No. three power transmission disks, 21, No. four power transmission disks 28 and No. five power transmission disks 33 is respectively to No.1 elasticity The elastic chuck 62 of the elastic chuck 54, four of elastic chuck 51, three of chuck 7, two and No. five elastic chucks 35 are applied with load, The accurate simulation operating mode of elastic chuck in actual operation.

3. fault detection part III

Fault detection part III includes that power changes fault detection part, change in displacement fault detection part, temperature change event Hinder detection part.

Refering to Fig. 6, it includes the force snesor 10, three of No.1 force snesor 2, two that the power, which changes fault detection part, 3, No. two force snesor 24, five of force snesor 17, four force snesor 31, No.1 force snesor detection bar force snesor detections 25, No. five force snesor detection bars 32 of the force snesor detection bar of force snesor detection bar 18, four of bar 11, three, No.1 power pass The power of force snesor holder 23, five of force snesor holder 16, four of force snesor holder 9, three of sensor bracket 1, two senses Device holder 30,20, No. four detection folders 27 of the detection folder of detection folder 14, three of No.1 detection folder 6, two and No. five detection folders 34.

The force snesor detection bar 11, three of No.1 force snesor detection bar 3, the two force snesor detection bar 18, No. four force snesor detection bars 25 are identical as No. five 32 structures of force snesor detection bar, the staged being all made of head and tail portion Straight rod member, tail portion are the spiro rod section being threaded, and head is the cylindrical light bar segment of the excessive shaft shoulder, and the diameter of light bar segment is big In the diameter of spiro rod section, spiro rod section is connected successively with light bar segment, when detection, light bar segment, that is, power detector respectively with No.1 power The force snesor 31 of force snesor 24, five of force snesor 17, four of force snesor 10, three of sensor 2, two contacts.

Refering to Fig. 7, the No.1 force snesor 2 is cylindrical force snesor, and cylinder is uniform-distribution with four on end face A step type bolt hole, No. two 24, No. five force snesors 31 of force snesor of force snesor 17, four of force snesor 10, three Structure it is identical as No.1 force snesor 2.

Refering to Fig. 7, the No.1 force snesor holder 1 is the rectangle support with pedestal, No.1 force snesor holder 1 Upper end be rectangle plane plate, be uniform-distribution with four and four bolt holes on No.1 force snesor 2 on rectangle plane plate No.1 force snesor 2 is fixedly connected on No.1 force snesor holder 1 by corresponding tapped through hole using dormant bolt.One There are two symmetrical bolt holes for setting on the pedestal of number force snesor holder 1, for being connect with elastic card disc carrier 45 It is fixed.The rectangle plane plate of No.1 force snesor holder 1 is mutually fixedly connected with pedestal by the rectangular section slabs of middle section, and one The front/rear end of the rectangle plane plate front/rear end of number force snesor holder 1 and the rectangular section slabs of middle section is coplanar, No.1 The rectangle plane plate of force snesor holder 1 and the rectangular section slabs central axis of middle section it is conllinear and with No.1 force snesor branch The lower end base upper surface of frame 1 is vertical.No. two force snesor holders of force snesor holder 16, four of force snesor holder 9, three 23, the structure of No. five force snesor holders 30 is identical as No.1 force snesor holder 1.

Refering to Fig. 7, No.1 detection folder 6 is U-shaped fork class formation part, in the both sides close to 6 top of No.1 detection folder The through-hole of the coaxial line of both sides clamp arm, through-hole diameter and spiro rod section in No.1 force snesor detection bar 3 are provided through in clamp arm Diameter it is equal.14, No. three detection folders 20, four of No. two detection folders detect the structure of 27, No. five detection folders 34 of folder and No.1 is examined It is identical to survey folder 6.3 tail portions of No.1 force snesor detection bar, that is, spiro rod section is inserted into the through-hole of the both sides clamp arm of No.1 detection folder 6, and It is tightened using nut, the detection of the No.1 after tightening folder 6 is made to be fixed on the side wall of No.1 elasticity chuck 7.No.1 force snesor 2 is adopted It is fixedly connected on No.1 force snesor holder 1 with dormant bolt.

Refering to Fig. 6, described No. two 11 tail portions of force snesor detection bar, that is, spiro rod section is inserted into the both sides of No. two detection folders 14 It in the through-hole of clamp arm, and is tightened using nut, after tightening No. two detection folders 14 is made to be fixed on the side wall of No. two elastic chucks 51 On.No. two force snesors 10 are fixedly connected on using dormant bolt on No. two force snesor holders 9.No. three force snesor detection bars 18 tail portions, that is, spiro rod section is inserted into the through-hole of the both sides clamp arm of No. three detection folders 20, and is tightened using nut, and three after tightening are made Number detection folder 20 is fixed on the side wall of No. three elastic chucks 54.No. three force snesors 17 are fixedly connected on three using dormant bolt On number force snesor holder 16.No. four 25 tail portions of force snesor detection bar, that is, spiro rod section is inserted into the both sides clamp arm of No. four detection folders 27 Through-hole in, and tightened using nut, after tightening No. four detection folders 27 made to be fixed on the side wall of No. four elastic chucks 62.Four Number force snesor 24 is fixedly connected on using dormant bolt on No. four force snesor holders 23.No. five 32 tails of force snesor detection bar Portion, that is, spiro rod section is inserted into the through-hole of the both sides clamp arm of No. five detection folders 34, and is tightened using nut, makes No. five after tightening to examine Folder 34 is surveyed to be fixed on the side wall of No. five elastic chucks 35.No. five force snesors 31 are fixedly connected on No. five power using dormant bolt On sensor stand 30.16, No. four power of force snesor holder of force snesor holder 9, three of No.1 force snesor holder 1, two The bottom of sensor stand 23 and No. five force snesor holders 30 is bolted to connection with elastic card disc carrier 45 respectively, is protected It is vertical with ground black iron 64 with force snesor holder contact plane to demonstrate,prove each force snesor, and institute's force sensor sensitive surface is passed with power Sensor detection bar just contacts.The advantages of this structure, is can detect the variation of elastic chuck power at a distance.

Refering to Fig. 8 and Fig. 9, the change in displacement fault detection part include ball-screw 39, guide rail 40, motor 43, 8, No. two sliding block 49, displacement sensor bracket 50, displacement sensor 52, No.1 displacement sensor detection bar displacement sensor detections Bar 15, the displacement sensor detection bar 37, one of displacement sensor detection bar 29, five of third place displacement sensor detection bar 22, four The detection of number displacement sensor presss from both sides 66, No. two displacement sensors detection folders 67, the detections of third place displacement sensors and presss from both sides 68, No. four displacements and pass Sensor detection folder 69 and No. five displacement sensor detection folders 70.

The ball-screw 39, guide rail 40 can be according to the sizes of reliability test according to standard with motor 43 Selection.

50 top of displacement sensor bracket is rectangular slab, and lower part is the bracket base with floor.Displacement sensing There are three tapped blind holes corresponding with the ear of displacement sensor 52 on 50 Upper rectangular plate of device holder.Displacement sensor bracket It is uniform-distribution with four stairstepping through-holes on 50 pedestals, is connected and fixed by bolt and sliding block 49.Displacement sensor 52 is laser Displacement sensor.

The No.1 displacement sensor detection bar 8 is cylindrical curved bar, wherein stem portion axis and quarter butt part axis Line is vertical.No. two displacement sensor detection bars 15,22, No. four displacement sensor detection bars 29 of third place displacement sensor detection bar, The structure of No. five displacement sensor detection bars 37 is identical as the structure of No.1 displacement sensor detection bar 8.

The No.1 displacement sensor detection folder 66 is U-shaped fork class formation part, and close to No.1 displacement sensor The through-hole of the coaxial line of both sides clamp arm is provided through in the both sides clamp arm on 66 tops of detection folder.No. two displacement sensor detection folders 67, the detection of third place displacement sensor presss from both sides 68, No. four displacement sensor detections and presss from both sides 69, No. five displacement sensor detection folders 70 and No.1 The structure of displacement sensor detection folder 66 is identical.

The guiderail base 47 for being equipped with ball-screw 39 is fixed on using T-bolt on ground black iron 64.Ball wire 39 head of thick stick is connected by shaft coupling 41 with motor 43.Motor 43 drives shaft coupling 41 to rotate, to drive 39 turns of ball-screw It is dynamic, and then sliding block 49 is made to move horizontally.There are four threaded hole, four threaded holes at 49 top of sliding block and positions for 49 top setting of sliding block Four notch cuttype through hole on 50 pedestal of displacement sensor holder are fixed with bolts, and equally, make displacement sensing using bolt The through-hole of 52 ear of device is connected and fixed with the tapped blind hole on displacement sensor bracket 50.No.1 displacement sensor detection bar 8 Long end head welds together with No.1 displacement sensor detection folder 66, No.1 displacement sensor detection folder 66 and No.1 elastic card The side wall of 7 lower end of disk is clamped using screw bolt and nut.No. two 15 long end heads of displacement sensor detection bar respectively with No. two displacements Sensor detection folder 67 welds together, and No. two displacement sensor detection folders 67 and No. two 51 bottom side of the wall of elastic chuck use spiral shell Screw bolt and nut clamps.22 long end head of third place displacement sensor detection bar is welded on third place displacement sensor detection folder 68 respectively Together, third place displacement sensor detection folder 68 and No. three elastic 54 bottom side of the wall of chuck are clamped using screw bolt and nut.No. four positions 29 long end head of displacement sensor detection bar welds together with No. four displacement sensor detection folders 69, No. four displacement sensor detections Folder 69 and No. four elastic 62 bottom side of the wall of chuck are clamped using screw bolt and nut.No. five displacement sensor detection 37 long end heads of folder Weld together with No. five displacement sensor detection folders 70, No. five displacement sensor detection folders 70 and No. five 35 lower ends of elastic chuck Side wall is clamped using screw bolt and nut.

The advantages of set displacement fault detection mechanism, is that a displacement sensor 52 can detect multiple elastic chucks Change in displacement reduces the quantity of displacement sensor 52, thereby reduces the cost of package unit.It is auxiliary by five displacement sensor rods Help displacement measurement, it can be achieved that displacement telemeasurement, do not influence the working environment of elastic chuck.It is loaded when to elastic chuck When, it is moved by 43 control slide block 49 of motor, displacement sensor 52 is driven to move horizontally.Displacement sensor 52 is respectively in each position It moves immediately below detection bar and the distance of displacement sensor rod quarter butt head to displacement sensor 52 is detected.When elastic card chuck clamping When power is reduced or is failed, the hypotelorism on displacement sensor rod quarter butt head to displacement sensor 52, displacement when reaching threshold distance Sensor 52 can alarm, at this time the elastic chuck failure of judgement subject.

The temperature change fault detection part includes the identical temperature sensor of five structures, i.e. temperature change failure Detection part by being attached to the identical temperature sensor of the five structures i.e. No.1 temperature sensors of five elastic chuck sidewalls respectively 46, No. two temperature sensors 61 of temperature sensor 53, four of temperature sensor 48, three and No. five temperature sensors 63 are completed, Since elastic chuck is not to work always in normal operation circumstances, so not will produce problems of excessive heat, but testing In order to improve efficiency in journey, need continuously to carry out accelerating load load test to elastic chuck, in order to avoid due to continuously loading Elastic chuck overheat is caused to keep test result inaccurate, this device has temperature detecting function.When elastic chuck is more than setting temperature When spending, temperature sensor alarm, device is out of service, and elastic chuck is made fully to radiate.When elastic chuck temperature reaches positive room temperature When spending, device starts again at operation load.This structure ensure that the accuracy of test result, while improve reliability test Efficiency.

4. automatically controlling part IV

The action control of the numerically-controlled machine tool elasticity chuck reliability test is realized by automatically controlling part IV.

Refering to fig. 11, the described display for automatically controlling part IV by switch board 44 and in switch board 44, Keyboard input devices, upper industrial personal computer 72, the next programmable controller 73, A/D capture cards 75 form.

Refering to fig. 13, there are two interface, the interface of up direction and upper industry controls for the next programmable controller 73 Machine 72 is connected using connection, and the interface of down direction is connect with three-position four-way electromagnetic directional valve 74 using connection；A/D is acquired Totally 12 interfaces, an interface of 75 up direction of A/D capture cards are connect with upper industrial personal computer 72 using connection card 75, downlink 11 interfaces in direction respectively with 17, No. four force snesors of force snesor of force snesor 10, three of No.1 force snesor 2, two 24, No. five force snesors 31, displacement sensor 52, the temperature sensing of temperature sensor 48, three of No.1 temperature sensor 46, two The temperature sensor 63 of temperature sensor 61, five of device 53, four is connected using connection, and acquires signal.A/D capture cards 75 will The signal uplink acquired is passed to upper industrial personal computer 72, to be shown over the display.Control in upper industrial personal computer 72 Processing procedure sequence, control instruction are input to upper industrial personal computer 72 by keyboard input devices, finally show over the display.

Wherein, 72 control interface of upper industrial personal computer is worked out by VC++, and control is inputted in 72 control interface of upper industrial personal computer The test parameters such as motion frequency, move distance, the test period of cylinder 59 processed.Upper industrial personal computer 72 realizes two functions, a side Face is communicated with A/D capture cards 75, by 17, No. four power of force snesor of force snesor 10, three of No.1 force snesor 2, two 24, No. five force snesors 31 of sensor, displacement sensor 52, the temperature of temperature sensor 48, three of No.1 temperature sensor 46, two The signal for spending sensor 53, No. four temperature sensors, 61, No. five temperature sensors 63 is passed in VC++ programs, on the other hand under Position programmable controller 73 passes through serial communication.The next programmable controller 73 can complete following two tasks：

It one, can be at electric, power failure state, to control cylinder by controlling three-position four-way electromagnetic directional valve 74 59 motion frequency and reciprocating motion length, as shown in figure 11, when 74 left position of three-position four-way electromagnetic directional valve must be electrically accessed, gas Cylinder 59 stretches out work into when 74 right position of three-position four-way electromagnetic directional valve must be electrically accessed, cylinder 59 is retracted.The next programmable controller 73 make the reciprocating motion of cylinder 59 be tested elastic chuck stress to control by controlling three-position four-way electromagnetic directional valve 74.

Two, 75 collected temperature sensor of A/D capture cards, displacement sensor and pressure is received in upper operating mode machine to pass After the data of sensor, upper operating mode machine 72 makes information and judges and judged that information is exported to the next programmable controller 73, The next programmable controller 73 carries out fault pre-alarming and judgement in time according to input signal, and then judges whether that examination can be carried on It tests.

To sum up, by the VC++ programs worked out in upper industrial personal computer 72, to numerically-controlled machine tool described in the utility model elasticity Each section realization of chuck reliability test automatically controls.

5. the elastic chuck fixed part I of subject, simulation loading part ii, fault detection part III automatically controls part IV Whole relation

Refering to fig. 1, Fig. 2, Fig. 4 and Fig. 5, the ground black iron 64 are mounted on ground, are tested elastic chuck fixed part I It is mounted on the side of ground black iron 64 along longitudinal direction, simulation loading part ii is mounted on the other side of ground black iron 64, is tested bullet along longitudinal direction Elastic card disc carrier 45 in property chuck fixed part I and the power transmission baffle 38 in simulation loading part ii are parallel to just.Simulation Loading section II is located at the front of the elastic chuck fixed part of subject I, wherein the No.1 power transmission disk 5 of simulation loading part Circular ring shape plate is in contact with the front end face of the No.1 elasticity chuck 7 of subject elasticity chuck fixed part I, simulation loading part ii The circular ring shape plate of No. two power transmission disks 13 connects with the front end face of No. two elastic chucks 51 of subject elasticity chuck fixed part I It touches, No. three elasticity of the circular ring shape plate and subject elasticity chuck fixed part I of No. three power transmission disks 21 of simulation loading part ii The front end face of chuck 54 is in contact, and the circular ring shape plate and the elastic chuck of subject of No. four power transmission disks 28 of simulation loading part ii are solid The front end face for determining No. four elastic chucks 62 of part I is in contact, the circular ring shape of No. five power transmission disks 33 of simulation loading part ii Plate is in contact with the front end face of No. five elastic chucks 35 of subject elasticity chuck fixed part I；And simulation loading part ii The circle of the power transmission disk of power transmission disk 13, three 21, No. four power transmission disks, 28, No. five power transmission disks 33 of No.1 power transmission disk 5, two The axis of rotation of annular slab respectively with the elastic chucks of the No.1 elasticity chuck 7, two of the elastic chuck fixed part of subject I 51, three The rotation conllinear of number 62, No. five elastic chucks 35 of elastic chucks of elastic chuck 54, four.Wherein fault detection part III Power changes fault detection part and is located on the elastic card disc carrier 45 of subject elasticity chuck fixed part I, No.1 force snesor branch 16, No. four force snesor holders 23 of the force snesor holder of force snesor holder 9, three of frame 1, two and No. five force snesor holders 30 bottom is bolted with elastic card disc carrier 45 respectively.The change in displacement fault detection part of fault detection part III For a relatively independent entirety, it is mounted on along longitudinal direction between the elastic chuck fixed part I of subject and simulation loading part ii Ground black iron 64 on, the wherein bottom surface of the guiderail base 47 of change in displacement fault detection part and the elastic chuck fixed part of subject It is propped up after I elastic card disc carrier 45, the No.1 cylinder fore-stock of simulation loading part ii 56, No. two cylinder fore-stocks 57, cylinders The bottom surface of frame 60 is coplanar, axis of rotation and the elastic card disc carrier 45 of the ball-screw 39 in change in displacement fault detection part The plane of upper end rectangular slat surface plate is parallel；The No.1 temperature of the temperature change fault detection part of fault detection part III passes The temperature sensor 63 of temperature sensor 61, five of temperature sensor 53, four of temperature sensor 48, three of sensor 46, two divides It is not attached to 51, No. three elastic 54, No. four elastic chucks 62 of chuck of the elastic chuck of No.1 elasticity chuck 7, two and No. five elastic cards On the madial wall of disk 35；It automatically controls on the ground that part IV is mounted on by switch board 44 therein around ground black iron 64, position In the entirety by being tested the interaction that elastic chuck fixed part I, simulation loading part ii, fault detection part III form Side, the movement for controlling elastic chuck reliability test entirety.

6. the operation principle of numerically-controlled machine tool elasticity chuck reliability test

Refering to fig. 11, when 74 left position of three-position four-way electromagnetic directional valve obtains electric, cylinder 59 stretches out work into when 3-position 4-way electricity When 74 right position of magnetic reversal valve must be electrically accessed, cylinder 59 is retracted.Keep cylinder 59 reciprocal by controlling three-position four-way electromagnetic directional valve 74 It moves and then the No.1 power transmission power transmission disk 28, five of power transmission disk 21, four of power transmission disk 13, three of disk 5, two is driven to pass Power disk 33 moves back and forth, and then to make the elastic chuck of No.1 elasticity chuck 7, two 51, No. three elastic chucks, 54, No. four elasticity The elastic chuck 35 of chuck 62, five is clamped to simulate elastic chuck in practical work process by discontinuity pressing force with this The practical work process of workpiece and relaxation workpiece.The process that elastic chuck constantly receives discontinuity pressing force is equivalent to elastic card The disk workpiece that constantly clamps and relax in practical work process is attached to No.1 bullet respectively while cylinder 59 moves back and forth Property elastic 62, No. five 35 madial walls of elastic chuck of chuck of the elastic chuck 54, four of elastic chucks 51, three of chuck 7, two one Number temperature of temperature sensor 61, five of temperature sensor 53, four of temperature sensor 48, three of temperature sensor 46, two passes Sensor 63 constantly transmits temperature signal to A/D capture cards 75 judges No.1 elasticity chuck by the analysis of upper industrial personal computer 72 7, whether elastic 62, No. five elasticity chucks 35 of chuck of the elastic chuck 54, four of No. two elastic chucks 51, three overheat, if mistake Heat, then upper industrial personal computer 72 control three position four-way directional control valve dead electricity, entire elasticity chuck reliability test is stopped, etc. After temperature drops to room temperature, it is further continued for work.While cylinder 59 moves back and forth, since elastic chuck constantly receives discontinuity Pressing force causes the radial direction of the madial wall of elastic chuck to expand repeatedly and return just, and then is clipped on elastic chuck sidewall The force snesor of force snesor detection bar 18, four of force snesor detection bar 11, three of No.1 force snesor detection bar 3, two is examined The detector of 25, No. five force snesor detection bars 32 of measuring staff back and forth compresses the force snesor 10, three of No.1 force snesor 2, two The force snesor 31 of force snesor 24, five of force snesor 17, four, force snesor detects force signal, and passes through A/D capture cards Force signal is passed to upper industrial personal computer 72 by 75 to be analyzed, when force signal value cannot return timing more than a certain range, it was demonstrated that this When the fatigue failure of elasticity chuck, at this time upper industrial personal computer 72 control three position four-way directional control valve dead electricity, entire elasticity chuck can It is stopped by property experimental rig；While cylinder 59 moves back and forth, the sliding block 49 controlled by motor 43 is on ball-screw It moves back and forth, and is detected in 8, No. two displacement sensor detection bars 15 of No.1 displacement sensor detection bar, third place displacement sensor Stop immediately below the displacement sensor detection bar 29, five of bar 22, four displacement sensor detection bar 37, detects displacement sensing respectively Device expands and returns just, displacement sensing since the madial wall of elastic chuck is radial to the distance of each displacement detecting club head repeatedly The distance on device to displacement sensor rod head constantly changes.When displacement detector detect fed back to by A/D capture cards 75 it is upper The displacement signal of industrial personal computer 72 is beyond normal range (NR) and can not return timing, and upper industrial personal computer 72 controls three position four-way directional control valve at this time Dead electricity, entire elasticity chuck reliability test are stopped；Due to the present apparatus can be carried out at the same time five elastic chucks can It is tested by property, five elastic chucks may not simultaneously fail, as normal in need to be only replaced with after a certain elastic chuck failure Elastic chuck after can continue to test.

In specific implementation process, numerically-controlled machine tool elasticity chuck reliability test described in the utility model can basis Carry out choice or modification：

1. the load of the elastic chuck of subject can be accomplished in several ways, such as hydraulic cylinder, motor control cam etc..

2. numerically-controlled machine tool elasticity chuck reliability test described in is to carry out reliability to five elastic chucks simultaneously Experiment, can also to the minor alteration of numerically-controlled machine tool elasticity chuck reliability test simultaneously to five or more or five with The elastic chuck of interior quantity carries out reliability test, but these changes do not change overall effect.

In addition, the embodiment described in the utility model be for the ease of the those skilled in the art it will be appreciated that and It is a kind of embodiment of optimization using the utility model, or perhaps a kind of preferably specific technical solution, it is only applicable to The reliability test of the numerically-controlled machine tool elasticity chuck of elastic chuck quantity in a certain range, elastic chuck quantity is except range The reliability test of numerically-controlled machine tool elasticity chuck can be used the technical solution being basically unchanged, but the quantity of parts used will be with Change, such as increase elastic chuck retaining element quantity, power transmission disk quantity, therefore the utility model is not limited to this in embodiment A kind of description of more specific technical solution.

The utility model can also have other embodiment, such as：It changes cylinder into hydraulic cylinder to test, for another example, pass through The movement of motor control cam realizes load in turn, can also be loaded by slider-crank mechanism.In short, if relevant Technical staff makes the equivalent knot for needing not move through creative work in the case where adhering to the utility model basic technical scheme Structure changes or various modifications are all within the protection scope of the present utility model.

Claims (8)

1. a kind of reliability test of numerically-controlled machine tool elasticity chuck, including automatically control part (IV), which is characterized in that institute The reliability test for the numerically-controlled machine tool elasticity chuck stated further includes the elastic chuck fixed part (I) of subject, simulation loading portion Divide (II), fault detection part (III) and ground black iron (64)；

The ground black iron (64) is mounted on ground, is tested elastic chuck fixed part (I) and is mounted on ground black iron along longitudinal direction (64) side, simulation loading part (II) are mounted on the other side of ground black iron (64) along longitudinal direction, are tested elastic chuck fixed part Divide the elastic card disc carrier (45) in (I) and power transmission baffle (38) in simulation loading part (II) parallel to just；Fault detect Partly (III) is mounted on the ground black iron (64) between the elastic chuck fixed part (I) and simulation loading part (II) of subject along longitudinal direction On, the ball-screw (39) in fault detection part (III) is parallel with elastic card disc carrier (45)；It is logical to automatically control part (IV) It crosses on the ground that switch board therein (44) is mounted on around ground black iron (64), automatically controls part (IV) and simulation loading part (II), fault detection part (III) is connected using connection.

2. the reliability test of numerically-controlled machine tool elasticity chuck described in accordance with the claim 1, which is characterized in that the quilt The elastic chuck fixed part (I) of examination further include No.1 elasticity chuck retaining element (4), No. two elastic chuck retaining elements (12), No. three elastic chuck retaining elements (19), No. four elastic chuck retaining elements (26) and No. five elastic chuck retaining elements (36)；

The No.1 elasticity chuck retaining element (4), No. two elastic chuck retaining elements (12), No. three elastic chucks fix member Part (19), No. four elastic chuck retaining elements (26) are identical as No. five elastic chuck retaining element (36) structures；

No.1 elasticity chuck retaining element (4), No. two elastic chuck retaining elements (12), No. three elastic chuck retaining elements (19), No. four elastic chuck retaining elements (26) are mounted on bullet with No. five elastic chuck retaining elements (36) using screw bolt and nut Property chuck holder (45) on, No.1 elasticity chuck retaining element (4), No. two elastic chuck retaining elements (12), No. three elastic cards Disk retaining element (19), No. four elastic chuck retaining elements (26) and No. five elastic chuck retaining elements (36) are adjacent between the two Distance it is equal, No.1 elasticity chuck retaining element (4), No. two elastic chuck retaining elements (12), No. three elastic chucks are fixed The height of element (19), No. four elastic chuck retaining elements (26) with No. five elastic chuck retaining elements (36) apart from ground black iron (64) Spend it is equal, the bottom end of elastic card disc carrier (45) using bolt with black iron (64) be connected and fixed.

3. the reliability test of numerically-controlled machine tool elasticity chuck according to claim 2, which is characterized in that described one Number elastic chuck retaining element (4) is disc-shaped structure part, by circular flange disk, torus cropped ear group identical with three structures At circular flange disk is connected from left to right with torus, the rotation conllinear of circular flange disk and torus, along circle The axis of rotation of ring flange and torus is provided with three-stage stepped hole, and the diameter of stepped hole is from right to left from big to small, big straight Diameter hole is formed by with middle diametric hole on annular step tread equally distributed for being fixedly connected with No.1 at 120 ° there are three settings The tapped blind hole of elastic chuck (7), the inner hole wall of the large diameter hole on No.1 elasticity chuck retaining element (4) with by test specimen No.1 It is clearance fit between the lateral surface of elastic chuck (7)；The periphery of circular flange disk be radially uniformly distributed there are three and with The cropped ear of circular flange disk stack pile, is respectively set that there are one bolt holes on three cropped ears.

4. according to the reliability test of numerically-controlled machine tool elasticity chuck as claimed in claim 1 or 2, which is characterized in that described Elastic card disc carrier (45) upper end be a rectangular slat surface plate, be uniform-distribution with five groups of through-holes on rectangular slat surface plate, Every group of through-hole separately includes three and the two neighboring through-hole at 120 ° of angles, every group of through-hole distribution situation and the elastic chuck of subject The through-hole distribution situation of three cropped ears on No.1 elasticity chuck retaining element (4) in fixed part (I) is consistent；Elastic card Every group of through-hole the same side on the rectangular slat surface plate of disc carrier (45) upper end is also evenly distributed with and fault detection part (III) No.1 force snesor holder (1), No. two force snesor holders (9), No. three force snesor holders (16), No. four power in pass Sensor bracket (23) tapped through hole corresponding with the base plate through holes of No. five force snesor holders (30)；Elastic card disc carrier (45) Lower end is symmetrically arranged the identical lower end holder of two structures, the both ends of the bottom face of the rectangular slat surface plate of upper end with two The top of the identical lower end holder of structure is connected；

The lower end holder includes rear floor and the square pedestal for supporting mainboard, the preceding floor of triangle, triangle Plate；Support the width of mainboard equal with the width of base board, support mainboard is perpendicular to the symmetrical centerline of base board, triangle Preceding floor, triangle rear floor be symmetrically located at support mainboard front end face and rear end face and base board top end face it Between, and and support mainboard front end face, rear end face be connected with the top end face of base board, be evenly distributed on each base board Four bolt holes, elastic card disc carrier (45) is provided with forward and backward floor by two lower end holder before and after symmetrical Base board is fixedly connected with ground black iron (64) respectively.

5. the reliability test of numerically-controlled machine tool elasticity chuck described in accordance with the claim 1, which is characterized in that the mould Quasi- loading section (II) further includes No.1 power transmission disk (5), No. two power transmission disks (13), No. three power transmission disks (21), No. four biographies Power disk (28), No. five power transmission disks (33), U-shaped board (55), No.1 cylinder fore-stock (56), No. two cylinder fore-stocks (57), Cylinder connector (58), cylinder (59), cylinder power source and cylinder after-poppet (60)；

The No.1 power transmission disk (5), No. two power transmission disks (13), No. three power transmission disks (21), No. four power transmission disks (28) In five groups of through-holes being sequentially inserted on power transmission baffle (38) with the screw rod end of three struts on No. five power transmission disks (33) and adopt It is fixedly connected with nut；

The middle of power transmission baffle (38) and the installation otic placode of U-shaped board (55) both sides are connected and fixed using bolts and nuts, U-shaped board (55) slot bottom of intermediate groove is connected and fixed with cylinder connector (58) using bolts and nuts, in cylinder connector (58) Piston rod head at the heart with cylinder (59) welds together, the front end of cylinder (59) respectively with No.1 cylinder fore-stock (56) with The upper end of No. two cylinder fore-stocks (57) is fixed by bolts connection, the upper end of the rear end and cylinder after-poppet (60) of cylinder (59) Be fixed by bolts connection, No.1 cylinder fore-stock (56), No. two cylinder fore-stocks (57) and cylinder after-poppet (60) pedestal It is bolted on ground black iron (64), is connect using hose between cylinder (59) and cylinder power source.

6. the reliability test of numerically-controlled machine tool elasticity chuck described in accordance with the claim 1, which is characterized in that the event Barrier detection part (III) includes power variation fault detection part；

The power variation fault detection part includes No.1 force snesor (2), No. two force snesors (10), No. three force snesors (17), No. four force snesors (24), No. five force snesors (31), No.1 force snesor detection bar (3), No. two force snesor detections Bar (11), No. three force snesor detection bars (18), No. four force snesor detection bars (25), No. five force snesor detection bars (32), No.1 force snesor holder (1), No. two force snesor holders (9), No. three force snesor holders (16), No. four force snesor holders (23), No. five force snesor holders (30), No.1 detection folder (6), No. two detection folders (14), No. three detection folders (20), No. four inspections It surveys folder (27) and presss from both sides (34) with No. five detections；

The No.1 force snesor holder (1), No. two force snesor holders (9), No. three force snesor holders (16), No. four power Sensor stand (23) is mounted on No. five force snesor holders (30) on elastic card disc carrier (45), No.1 force snesor holder (1), No. two force snesor holders (9), No. three force snesor holders (16), No. four force snesor holders (23) and No. five power sense Device holder (30) is sequentially located at the No.1 elasticity chuck retaining element (4) being tested in elastic chuck fixed part (I), No. two elasticity Chuck retaining element (12), No. three elastic chuck retaining elements (19), No. four elastic chuck retaining elements (26) and No. five elasticity The left side of chuck retaining element (36)；No.1 force snesor (2), No. two force snesors (10), No. three force snesors (17), No. four Force snesor (24) and No. five force snesors (31) using bolt be fixedly mounted on successively No.1 force snesor holder (1), No. two Force snesor holder (9), No. three force snesor holders (16), No. four force snesor holders (23) and No. five force snesor holders (30) on right side；No.1 detection folder (6), No. two detection folders (14), No. three detection folders (20), No. four detection folders (27) and five Number detection folder (34) is sequentially arranged at the No.1 elasticity chuck (7) of subject, No. two elastic chucks (51), No. three elastic chucks (54), on the side wall of No. four elastic chucks (62) and No. five elastic chucks (35), No.1 force snesor detection bar (3), No. two power Sensor detection bar (11), No. three force snesor detection bars (18), No. four force snesor detection bars (25) and No. five force snesors The screw rod end of detection bar (32) is sequentially inserted into No.1 detection folder (6), No. two detection folders (14), No. three detection folders (20), No. four inspections It surveys in the through-hole that folder (27) is pressed from both sides with No. five detections in the clamp arm of (34) both sides, and fixed using nut, No.1 force snesor detection bar (3), No. two force snesor detection bars (11), No. three force snesor detection bars (18), No. four force snesor detection bars (25) and five The other end of number force snesor detection bar (32) successively with No.1 force snesor (2), No. two force snesors (10), No. three power sensings Device (17), No. four force snesors (24) are in contact with No. five force snesors (31).

7. the reliability test of numerically-controlled machine tool elasticity chuck described in accordance with the claim 1, which is characterized in that the event It further includes change in displacement fault detection part and temperature change fault detection part to hinder detection part (III)；

The temperature change fault detection part include No.1 temperature sensor (46), No. two temperature sensors (48), No. three Temperature sensor (53), No. four temperature sensors (61) and No. five temperature sensors (63), No.1 temperature sensor (46), No. two Temperature sensor (48), No. three temperature sensors (53), No. four temperature sensors (61) and No. five temperature sensor (63) structures It is identical；

The change in displacement fault detection part includes No.1 displacement sensor detection bar (8), No. two displacement sensor detections Bar (15), third place displacement sensor detection bar (22), No. four displacement sensor detection bars (29), No. five displacement sensor detection bars (37), guide rail (40), motor (43), displacement sensor bracket (50), displacement sensor (52), No.1 displacement sensor detection folder (66), No. two displacement sensor detection folders (67), third place displacement sensor detection folder (68), No. four displacement sensor detection folders (69) (70) are pressed from both sides with No. five displacement sensor detections；

It is described ball-screw (39) is installed, guide rail (40) is fixed by bolts with the guiderail base (47) of sliding block (49) and connect On ground black iron (64), ball-screw (39) head is connected using shaft coupling (41) with motor (43)；Displacement sensor bracket (50) pedestal is connect using bolt with the top of sliding block (49), and displacement sensor (52) is fixed by bolts to be passed mounted on displacement The upper end of sensor bracket (50), No.1 displacement sensor detection bar (8), No. two displacement sensor detection bars (15), third place move Sensor detection bar (22), No. four displacement sensor detection bars (29) and No. five displacement sensor detection bars (37) stock end Folder (66), No. two displacement sensor detection folders (67), the detection of third place displacement sensor are detected with No.1 displacement sensor successively in portion Folder (68), No. four displacement sensor detection folders (69) and No. five displacement sensor detection folders (70) weld together, No.1 displacement Sensor detection folder (66), No. two displacement sensor detection folders (67), third place displacement sensor detection folder (68), No. four displacements pass Sensor detection folder (69) and No. five displacement sensors detection folder (70) be sequentially arranged at the No.1 elasticity chuck (7) of subject, No. two Elastic chuck (51), No. three elastic chucks (54), No. four elastic chucks (62) on the side wall of No. five elastic chuck (35) lower ends And it is clamped using bolts and nuts, No.1 displacement sensor detection bar (8), No. two displacement sensor detection bars (15), third places Displacement sensor detection bar (22), No. four displacement sensor detection bars (29) and No. five displacement sensor detection bars (37) quarter butt head Portion is equidistant in the vertical direction with the top of displacement sensor (52) successively；No.1 temperature sensor (46), No. two temperature pass Sensor (48), No. three temperature sensors (53), No. four temperature sensors (61) and No. five temperature sensors (63) be attached to successively by The No.1 elasticity chuck (7) of examination, No. two elastic chucks (51), No. three elastic chucks (54), No. four elastic chucks (62) and No. five On the side wall of elastic chuck (35).

8. the reliability test of numerically-controlled machine tool elasticity chuck described in accordance with the claim 1, which is characterized in that it is described from Dynamic control section (IV) is connected using connection with simulation loading part (II), fault detection part (III) and refers to：

The part (IV) that automatically controls includes switch board (44), display, keyboard input devices, upper industrial personal computer (72), the next programmable controller (73) and A/D capture cards (75), wherein display, keyboard input devices, upper industrial personal computer (72), the next programmable controller (73), A/D capture cards (75) are mounted on the inside of switch board (44)；

The interface of described the next programmable controller (73) up direction is connect with upper industrial personal computer (72) using connection, under The interface of position programmable controller (73) down direction is connect with three-position four-way electromagnetic directional valve (74) using connection；A/D is adopted Totally 12 interfaces, an interface and upper industrial personal computer (72) of A/D capture cards (75) up direction use connection to truck (75) Connection, 11 interfaces of down direction respectively with No.1 force snesor (2), No. two force snesors (10), No. three force snesors (17), No. four force snesors (24), No. five force snesors (31), displacement sensor (52), No.1 temperature sensor (46), No. two Temperature sensor (48), No. three temperature sensors (53), No. four temperature sensors (61) and No. five temperature sensors (63) use Connection connects.