CN210488955U - Full-automatic index distribution analyzer for test statistical composition - Google Patents
Full-automatic index distribution analyzer for test statistical composition Download PDFInfo
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- CN210488955U CN210488955U CN201920080925.XU CN201920080925U CN210488955U CN 210488955 U CN210488955 U CN 210488955U CN 201920080925 U CN201920080925 U CN 201920080925U CN 210488955 U CN210488955 U CN 210488955U
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Abstract
The utility model discloses a full-automatic index distribution analyzer of experimental statistics composition, the utility model aims at providing an ability rapid survey test article, can make statistics of measured data group, can turn into spot image directly perceived reflection index distribution law etc. to statistics value automation. The device comprises a support, a pulley, a test bracket, a speed changer, a transmission mechanism, a driver, a grouping device, an accumulator and a display screen. The device comprises: the operation is simple, and all demonstration and image construction can be completed only by turning on the switch of the control power supply; the functions are complete: the test, the grouping statistics, the index distribution image construction and the like of the reaction life such as pressure, breakdown resistance and the like can be completed at the same time; the structure is compact, the cost is low, and the carrying is convenient; the applicability is strong: the test, demonstration and composition can be carried out in any visual angle in various occasions. The method is suitable for teaching, science popularization and product quality inspection and statistics.
Description
Technical Field
The utility model relates to a teaching model, especially a full-automatic index distribution analyzer of experimental statistics composition.
Background
The probability theory plays a key role in the big data era, wherein the distribution function of the random variable is the core of the random variable, and students lack practical problems and visual performance to master the probabilistic problems, and are simply expressed by commonly used real variables and corresponding functions in understanding, especially, the students are difficult to form a complete and clear systematic concept when learning or training the distribution of the discrete random variables, and the classroom efficiency and the sharing are poor. A comprehensive application model or device in the aspect is not found for a long time, and the comprehensive application model or device can only be used for demonstrating an experiment obeying normal probability distribution, can not demonstrate a general distribution column of discrete random variables, and can not draw an image of a distribution function.
Disclosure of Invention
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
the full-automatic index distribution analyzer of experimental statistics composition includes support, coaster, experimental bracket, derailleur, drive mechanism, driver, grouter, accumulator and display screen, its characterized in that: the pulley 2 is arranged at the lower part of the bracket, the test bracket, the speed changer and the transmission mechanism are all arranged on the pulley, the driver is arranged at the lower part of the pulley, the grouping device is arranged at the rear part of the bracket, the accumulator is arranged on the grouping device, and the display screen is arranged at the upper part of the bracket;
according to the further technical scheme, the gearbox is adjusted to stretch through pressure;
according to a further technical scheme, a conductive coil is arranged on a column iron core of the electromagnetic spring.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses a full-automatic index distribution analyzer of experimental statistics composition, easy operation as long as promote the crank and just can accomplish all measurements, statistics and compositions.
2. The utility model discloses a full-automatic index distribution analyzer of experimental statistics composition, it is multiple functional: the service life test, the grouping statistics, the index distribution image construction and the like can be completed at the same time; the structure is compact, the cost is low, and the carrying is convenient; the applicability is strong: the device can be used for measurement test, demonstration and composition at any visual angle in various occasions. The method is suitable for teaching, science popularization, product design, quality inspection, statistics and the like.
3. At present, no product of the type is available on the market, and the full-automatic index distribution analyzer for the experimental statistical composition is low in cost, safe, reliable and light.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle support of the present invention.
Fig. 3 is a schematic structural diagram of the middle pulley of the present invention.
Fig. 4 is a schematic structural diagram of the test carrier of the present invention.
Fig. 5 is a schematic structural diagram of the middle electromagnetic spring of the present invention.
Fig. 6 is a schematic structural diagram of a transmission according to the present invention.
Fig. 7 is a schematic structural view of the transmission case of the present invention.
Fig. 8 is a schematic structural diagram of the transmission mechanism of the present invention.
Fig. 9 is a schematic structural diagram of the actuator of the present invention.
Fig. 10 is a schematic structural diagram of the grouping device of the present invention.
Fig. 11 is a schematic structural diagram of the middle positioning mechanism of the present invention.
Fig. 12 is a schematic structural diagram of the accumulator according to the present invention.
Fig. 13 is a schematic structural diagram of the display screen of the present invention.
In the drawings: 1-a bracket, 11-a rectangular bottom plate, 12-a first vertical plate, 13-a second vertical plate, 14-a threaded rod, 15-a positioning nut, 16-a prismatic table base, 17-a first slide way, 18-a second slide way, 19-a first slide block, 110-a second slide block, 111-a straight toothed lath, 112-a first support rod, 113-a second support rod, 114-a first elliptical hole, 115-a first round hole and 116-an elastic lockset; 2-pulley, 21-pulley bottom plate, 22-pulley vertical plate, 23-timer, 24-perspective window, 25-first rectangular hole, 26-second elliptical hole, 27-second round hole, 28-first screw, 210-first pipe frame, 211-second pipe frame; 3-test bracket, 31-bracket bottom plate, 32-electrical apparatus interface, 33-round pipe shaft, 34-round shaft sleeve, 35-first square pipe rod, 36-second square pipe rod, 37-rectangular insulating plate, 38-first pin, 39-electromagnetic spring, 391-round base plate, 392-transparent pipe sleeve, 393-cylindrical iron core, 394-conductive coil, 395-directional guide rod, 396-cylindrical armature, 397-armature base plate, 398-first spring, 399-round guide hole and 3910-pin hole; 4-speed changer, 41-speed changer bottom plate, 42-cuboid water tank, 43-speed changing box, 47-first transparent tube, 48-first circular cover, 49-first piston, 410-first piston rod, 411-first switch, 412-third circular hole, 413-fourth circular hole, 414-fifth circular hole, 415-second transparent tube, 416-second piston, 417-second circular cover, 418-second piston rod, 419-second spring, 420-third transparent tube, 421-valve, 422-diamond hole, 423-third spring, 431-speed changing box frame, 432-square tube push-pull, 433-trapezoidal tongue plate, 434-second switch, 435-elastic resistance block, 436-box frame bottom plate, 437-box frame left vertical plate, 438-right vertical plate of box frame, 439-top plate of box frame, 4310-first rectangular slotted hole, 4312-upper plate of square tube, 4313-lower plate of square tube, 4314-third rectangular slotted hole, 4315-wedge-shaped block, 4316-fourth rectangular slotted hole, 4317-bracket with shaft, 4318-rectangular slider, 4319-triangular wedge plate, 4320-second screw, 4321-second switch interface; 5-a transmission mechanism, 51-a rectangular plate frame, 52-a first stepping motor, 53-a first circular gear, 54-a first plate strip, 55-a second plate strip, 56-a cursor arrow plate, 57-a sixth circular hole and 58-a first power socket; 6-driver, 61-driver bottom plate, 62-first trapezoid support, 63-second trapezoid support, 64-round shaft rod, 65-second stepping motor, 66-second round gear, 67-wire, 68-controller, 69-speed gear, 610-knob, 611-third screw, 612-seventh round hole, 613-running mechanism; 7-grouping device, 71-grouping device bottom plate, 72-grouping device vertical plate, 73-positioning mechanism, 74-third supporting rod, 75-fourth supporting rod, 76-first round rod sliding rail, 77-second round rod sliding rail, 78-third round rod sliding rail, 79-rectangular channel, 710-first scale, 711-first supporting rod, 712-second supporting rod, 731-cross beam, 732-landmark plate, 733-positioning triangle plate, 734-positioning clamping plate, 735-first circular arc sliding block, 736-threaded rod, 737-positioning resistance plate, 738-circular screw rod hole, 739-first orientation line, 7310-octagonal nut, 7311-second orientation line, 12-circular disk grip; 8-accumulator, 81-accumulator bottom plate, 82-third trapezoid bracket, 83-fourth trapezoid bracket, 84-third circular gear, 85-circular pipe shaft lever, 86-separating contact disc, 87-first pull rod, 88-second pull rod, 89-first transverse plate, 810-second transverse plate, 811-first baffle, 812-second baffle, 813-second circular arc slider, 814-third circular arc slider, 815-circuit interface, 816-wire spring bracket, 817-curve spring, 818-separating bridge key and 820-circular arc contact piece; 9-display screen, 91-horizontal plate with groove, 92-lamp holder bottom plate, 93-light shield, 94-transparent drawing board, 95-diode lamp, 96-transverse shielding board, 97-longitudinal shielding board, 98-second scale, 99-lamp line interface, 910-suction cup and 911-square pipe sleeve.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following specific embodiments, but the present invention is not limited to the embodiments:
as shown in fig. 1-13, the full-automatic index distribution analyzer for test statistical composition comprises a support 1, a pulley 2, a test bracket 3, a transmission 4, a transmission mechanism 5, a driver 6, a grouping device 7, an accumulator 8 and a display screen 9, wherein the pulley 2 is arranged at the lower part of the support 1, the test bracket 3, the transmission 4 and the transmission mechanism 5 are all arranged on the pulley 2, the driver 6 is arranged at the lower part of the pulley 2, the grouping device 7 is arranged at the rear part of the support 1, the accumulator 8 is arranged on the grouping device 7, and the display screen 9 is arranged at the upper part of the support 1.
As shown in fig. 1 and 2, the bracket 1 includes a rectangular bottom plate 11, a first vertical plate 12, a second vertical plate 13, a terrace with edge base 16, a first slide way 17, a second slide way 18 and a spur rack bar 111, the rectangular bottom plate 11 is a straight hard plate, threaded rods 14 are respectively arranged at four corners of the lower surface of the rectangular bottom plate 11, the threaded rods 14 are sleeved with positioning nuts 15, the terrace with edge base 16 is arranged at the lower end of each positioning nut 15, the upper surface of the rectangular bottom plate 11 is sequentially provided with the first slide way 17, the spur rack bar 111 and the second slide way 18 from front to back, the first slide way 17 is provided with a first slide block 19, the second slide way 18 is provided with a second slide block 110, the first slide block 19 is provided with an elastic lock 116, the left end of the rear side surface of the rectangular bottom plate 11 is provided with a first stay bar 112, the right end of the rear side surface is provided with a second stay bar 113, the upper end of, the left side surface of the rectangular bottom plate 11 is provided with a first vertical plate 12 perpendicular to the rectangular bottom plate, the right side surface of the rectangular bottom plate 11 is provided with a second vertical plate 13 perpendicular to the rectangular bottom plate, and the middle of the second vertical plate 13 is provided with a first round hole 115.
As shown in fig. 1 and 3, the pulley 2 includes a pulley bottom plate 21, a pulley upright plate 22 and a timer 23, the pulley bottom plate 21 is a non-deformable straight rectangular rigid plate, the pulley upright plate 22 perpendicular to the pulley bottom plate 21 is disposed in the middle of the upper surface of the pulley bottom plate 21, the timer 23 is disposed in the middle of the upper end of the pulley upright plate 22, a first rectangular hole 25 is disposed on the right side of the upper end of the pulley upright plate 22, a see-through window 24 is disposed in the middle of the pulley upright plate 22, a first pipe frame 210 and a second pipe frame 211 are sequentially disposed near the left and right sides of the see-through window 24, the pulley bottom plate 21 is symmetrical along a horizontal center line, a second circular hole 27 is disposed in the middle of the center line, a first screw 28 is disposed in the middle of the left end of the pulley bottom plate 21, a first screw 28 is disposed at the lower portion of the left end of the pulley bottom plate, the first screw 29 is fixed to the second slider 110 of the second runner 18.
As shown in fig. 1 and 4, the test bracket 3 includes a bracket bottom plate 31, an electrical connector 32, a circular tube shaft 33, a rectangular insulating plate 37 and an electromagnetic spring 39, the bracket bottom plate 31 is a rectangular insulating hard plate, the electrical connector 32 is disposed on the upper surface of the bracket bottom plate 31, a circular shaft sleeve 34 is disposed on the lower surface of the bracket bottom plate 31, a first pin 38 is disposed outside the circular shaft sleeve 34, the circular tube shaft 33 is disposed in the circular shaft sleeve 34, a first square tube rod 35 perpendicular to the circular tube shaft 33 is disposed at the front end of the circular tube shaft 33, a second square tube rod 36 is disposed at the tail end of the circular tube shaft 33, the rectangular insulating plate 37 is fixed by the first square tube rod 35 and the second square tube rod 36, a rectangular insulating plate 37 is disposed on the right side surface of the bracket bottom plate 31, the electromagnetic spring 39 is disposed on the surface of the rectangular insulating plate 37, the test bracket 3 is formed by sequentially inserting the front and rear ends, the first square pipe rod 35 and the second square pipe rod 36 are fixed on the pulley vertical plate 22, the test bracket 3 is a device for supporting test articles and converting test information in time,
as shown in fig. 1, 3 and 5, the electromagnetic spring 39 includes a circular ring chassis 391, a cylindrical iron core 393, a cylindrical armature 396 and an armature chassis 397, the circular ring chassis 391 is provided with pin holes 3910, the inner diameter edge of the circular ring chassis 391 is provided with a transparent sleeve 392, the cylindrical iron core 393 is arranged in the transparent sleeve 392, the cylindrical iron core 393 is provided with an electric coil 394, the axis of the cylindrical iron core 393 is provided with a circular guide hole 399, a directional guide rod 395 is arranged in the circular guide hole 399, the directional guide rod 395 is externally sleeved with a first spring 398, the end of the directional guide rod 395 is provided with a fixedly connected cylindrical armature 396, one end of the first spring 398 is connected with the cylindrical armature 396 and the other end of the cylindrical iron core 393, the right side surface of the cylindrical armature 396 is provided with a chassis 397, the electromagnetic armature 39 is fixed on the rectangular insulating plate 37 through the pin holes 3910, when the electromagnetic spring 39 is energized, the cylindrical armature 396 and the cylindrical iron core 393 generate magnetic force, the first spring 398, which loses magnetic force after a power failure, pulls the cylindrical armature 396 back into position.
As shown in fig. 3, 5, 6, and 7, the transmission 4 includes a transmission bottom plate 41, a rectangular water tank 42, and a transmission case 43, the transmission bottom plate 41 is a rectangular hard plate, the rectangular water tank 42 is disposed at the left end of the transmission bottom plate 41, the transmission case 43 is disposed in the middle of the right end, the rectangular water tank 42 is a sealed box made of a translucent plate, a third circular hole 412 is disposed on the left side wall of the rectangular water tank 42, a first transparent pipe 47 matching with the third circular hole 412 is disposed on the third circular hole 412, a first piston 49 having the same inner diameter as the first transparent pipe 47 is disposed in the first transparent pipe 47, a first piston rod 410 connected to the left side surface of the first piston 49, a first circular cover 48 is disposed at the outer end of the first transparent pipe 47, a through hole matching with the first piston rod 410 is disposed at the center of the first circular cover, the first piston rod 410 passes through the through hole of the first, a first switch 411 is arranged on the outer edge of the first annular cover 48, and a third spring 423 is fixed on the outer end of the first piston rod 410. The upper top surface of the water tank of the cuboid water tank 42 is provided with a fifth round hole 414, the fifth round hole 414 is connected with a third transparent pipe 420, and the upper end of the third transparent pipe 420 is provided with a valve 421. The right side wall of the cuboid water tank 42 is provided with a fourth round hole 413, the fourth round hole 413 is provided with a second transparent tube 415 connected with the fourth round hole 413, a second piston 416 matched with the inner diameter is arranged in the second transparent tube 415, a second piston rod 418 is arranged on the right side surface of the second piston 416, a second annular cover 417 is arranged at the tail end of the second transparent tube 415, a through hole is arranged in the middle of the second annular cover 417, the second piston rod 418 passes through the through hole, the outer end of the second spring 419 is fixed on the second piston rod 418, a gearbox 43 is arranged at the tail end of the second piston rod 418, the gearbox 43 comprises a gearbox frame 431, a square tube push-pull 432, a trapezoid 433, a second switch 434 and an elastic resistance block 435, the gearbox frame 431 is a rectangular bracket surrounded by a frame bottom plate 436, a frame left vertical plate 437, a frame right vertical plate 438 and a frame top plate 439, the lower surface of the frame top plate 439 is provided with the second switch 434, the second switch 434 is a spring compression switch, the second switches 434 are transversely arranged, the box frame left vertical plate 437 and the box frame right vertical plate 438 are of a symmetrical structure, a first rectangular groove hole 4310 is arranged in the middle of the box frame right vertical plate 438, a push-pull square pipe 432 matched with the first rectangular groove hole 4310 is arranged in the first rectangular groove hole 4310, the push-pull square pipe 432 is a transparent square pipe straight rod, the upper and lower plate surfaces of the push-pull square pipe 432 are a square pipe upper plate 4312 and a square pipe lower plate 4313 in sequence, a third rectangular groove hole 4314 is arranged in the middle of the square pipe upper plate 4312, a wedge-shaped block 4315, a fourth rectangular groove hole 4316 and a support with a shaft are arranged in sequence from left to right in the middle of the upper surface of the square pipe lower plate 4313, a cuboid slider 4318 matched with the upper surface of the fourth rectangular groove hole 4316 is arranged on the upper surface of the cuboid slider 4318, a triangular wedge plate 4319 is arranged on the lower bottom surface of the cuboid slider 4316, a trapezoid tongue plate 433 is arranged on the support 4317 with a shaft, the trapezoid tongue plate 433 is a trapezoid plate and extends out of a third rectangular slot 4314, a straight rod is arranged at the right end of the lower bottom surface of the trapezoid tongue plate 433 and is connected to the shaft of the support 4317 with a shaft, a bent rod is arranged at the right end of the lower bottom surface of the trapezoid tongue plate 433 and slides in a fourth rectangular slot 4316 along with a cuboid slider 4318, the trapezoid tongue plate 433 or the third rectangular slot 4314 extends out to be higher than the upper square tube plate 4312, an elastic block 435 is arranged in the middle of the upper surface of the bottom plate 436 of the box frame, the elastic block 435 is transversely arranged and is in contact with a triangular wedge plate 4319 and can extend up and down along with the pressure, a second screw 4320 is arranged at the right end of the upper surface of the bottom plate 436 of the box frame, a second switch interface 4321 is arranged on the transmission 439, and the transmission 43 is fixed on the bottom plate 41 of the transmission through a second screw 43, the left end of the push-pull square tube 432 is connected with the second piston rod 418, the speed changer 4 is fixed at the second elliptical hole 26 of the pulley base plate 21 in the pulley 2 through the diamond hole 422 by the pin, and the first piston rod 410 is opposite to the armature chassis 397 of the electromagnetic spring 39.
As shown in fig. 2 and 8, the transmission mechanism 5 includes a rectangular plate frame 51, a first step motor 52, a first circular gear 53 and a cursor arrow board 56, the rectangular plate frame 51 is a flat rectangular hard board without deformation, the rectangular plate frame 51 is provided with the first step motor 52, the rotating shaft of the first step motor 52 is provided with the first circular gear 53, the second plate strip 55 at the upper end of the rear side face of the rectangular plate frame 51, the cursor arrow board 56 is connected to the end of the second plate strip 55, the middle part of the rear side face of the rectangular plate frame 51 is provided with the first plate strip 54, the middle part of the lower bottom face of the rectangular plate frame 51 is provided with a first power socket 58, the front end of the rectangular plate frame 51 is provided with a sixth circular hole 57, and the transmission mechanism 5 is fixed at the first rectangular hole 24 on the pulley 2 through the sixth circular hole 57. The first power outlet 58 is connected by a wire to a second switch interface 4321 on the gearbox 43.
As shown in fig. 2, 3 and 9, the driver 6 includes a running mechanism 613, a wire 67 and a controller 68, the running mechanism 613 includes a driver base plate 61, a second stepping motor 65 and a second circular gear 66, the driver base plate 61 is a non-deformable flat rigid plate, a seventh circular hole 612 is disposed on the upper surface of the driver base plate 61, a first trapezoidal bracket 62 and a second trapezoidal bracket 63 are disposed on the lower bottom surface of the driver base plate 61, the circular shaft 64 is fixed by the first trapezoidal bracket 62 and the second trapezoidal bracket 63, the circular shaft 64 is sleeved with the second stepping motor 65, a second circular gear 66 is disposed on the rotating shaft of the second stepping motor 65, the wire 67 is disposed on the second stepping motor 65 of the running mechanism 613, the controller 68 is disposed at the other end of the wire 67, the controller 68 is circular, a speed gear 69 is disposed on the outer edge, the speed gear 69 is arranged in a sector shape to the upper semicircle of the controller 68, the speed gear 69 is sequentially marked with a letter v0、v1…, the controller68 is provided with a knob 610 at the center, the knob 610 can only be connected with a speed gear 69 at each time, the lower semicircle of the controller 68 is provided with a third screw 611, the driver 6 is fixed at a second round hole 27 below the pulley 2 by a bolt through a seventh round hole 612, a second round gear 66 is meshed with a straight tooth on a straight rack bar 111 in the bracket 1, the controller 68 is fixed at a first round hole 115, a first power socket 58 is connected with a second switch interface 4321 on the gearbox 43 by an electric wire, and the driver 6 is a device for pushing the pulley 2 to run at different speeds.
As shown in fig. 1, 2, 10, and 11, the grouping device 7 includes a grouping device bottom plate 71, a grouping device vertical plate 72, a positioning mechanism 73, a third support rod 74, and a fourth support rod 75, the grouping device bottom plate 71 is a rectangular thin hard plate, a first circular rod slide rail 76 is disposed on the front side of the grouping device bottom plate 71, a second circular rod slide rail 77 is disposed on the rear side of the grouping device bottom plate 71, a first support rod 711 is disposed on the left side of the grouping device bottom plate 71, the end of the first support rod 711 is connected to the third support rod 74, a second support rod 712 is disposed on the right side of the grouping device bottom plate 71, a fourth support rod 75 is disposed at the end of the second support rod 712, the grouping device vertical plate 72 is disposed on the middle portion of the grouping device bottom plate 71, the grouping device vertical plate 72 is a transparent rectangular hard plate, a third circular rod slide rail 78 is disposed on the top surface of the grouping device vertical plate 72, a first scale 710 is disposed on the middle portion of the front of, the rear half part of the bottom plate 71 of the grouping device is provided with a rectangular channel 79, the vertical plate 72 of the grouping device is provided with a positioning mechanism 73, the positioning mechanism 73 comprises a cross beam 731, a landmark plate 732, a positioning triangle plate 733, a positioning clamp plate 734, a first arc slide block 735, a threaded rod 736 and a positioning resistance plate 737, the cross beam 731 is a rectangular hard plate, the front side surface of the cross beam 731 is provided with the landmark plate 732 perpendicular to the cross beam, the landmark plate 732 is a rectangular hard plate, the lower bottom surface of the landmark plate 732 is provided with the positioning triangle plate 733, the front end of the lower bottom surface of the cross beam is sequentially provided with the first arc slide block 735 and the positioning clamp plate 734 from front to back, the rear end of the cross beam 731 is provided with a circular screw hole 738, the edge of the circular screw hole 738 extends to the middle of the cross beam 731 to form a first orientation line 739, the threaded rod 736 is arranged in the circular screw hole 738, the middle of the threaded rod 736 is, the second orientation line 7311 extends from the octagonal nut 7310 to the upper end, the upper top surface of the threaded rod 736 is provided with a disc hand grip 7312, and the lower bottom surface is provided with a positioning resistance plate 737. The positioning mechanism 73 is to place the first arc slider 735 on the third arc slide rail 78, the threaded rod 736 passes through the rectangular channel 79, the positioning resistance plate 737 is under the bottom plate 71 of the grouping device, after the position of the positioning triangle 733 is determined, the disk hand 7312 is rotated to make the second orientation line 7311 coincide with the first orientation line 739, that is, the positioning resistance plate 737 is perpendicular to the landmark plate 732, the positioning resistance plate 737 and the positioning triangle plate 733 are fixed by rotating the octagonal nut 7310, the grouping device 7 fixes the third support rod 74 and the fourth support rod 75 in sequence at the oval slot holes 116 of the first support rod 112 and the second support rod 113 of the support 1 by using a pin, and the grouping device 7 is to divide the measurement length into small sections or group the measurement data.
As shown in fig. 10 and 12, the accumulator 8 includes an accumulator bottom plate 81, a third circular gear 84 and a separating contact disc 86, the accumulator bottom plate 81 is a hard rectangular plate, a first pull rod 87 perpendicular to the accumulator bottom plate 81 is disposed at the front end of the accumulator bottom plate 81, a first transverse plate 89 parallel to the accumulator bottom plate 81 is disposed at the upper end of the first pull rod 87, second circular slide blocks 813 are disposed at the lower bottom surfaces of the first transverse plate 89, first baffles 811 are disposed at the end of the first transverse plate 89, wire spring plate frames 816 are disposed at the lower end of the first pull rod 87, curved springs 817 are disposed on the surfaces of the wire spring frames 816, a second pull rod 88 perpendicular to the accumulator bottom plate 81 is disposed at the rear end of the accumulator bottom plate 81, a second transverse plate 810 parallel to the accumulator bottom plate 81 is disposed at the upper end of the second pull rod 88, third circular slide blocks 814 are disposed at the lower bottom surfaces of the second transverse plate 810, and second baffles 812 are, the lower end of the second pull rod 88 is provided with a circuit interface 815, the middle part of the left side surface and the right side surface of the accumulator bottom plate 81 is sequentially provided with a third trapezoidal support 82 and a fourth trapezoidal support 83, the lower ends of the third trapezoidal support 82 and the fourth trapezoidal support 83 are provided with a connecting circular pipe shaft lever 85, the circular pipe shaft lever 85 is sleeved with a separating touch pad 86, the outer peripheral surface of the separating touch pad 86 is provided with a third circular gear 84, the surface of the separating touch pad 86 is provided with a separating bridge key 818, the separating bridge keys 818 are arranged in a circular arc shape, the right disk surface of the third circular gear 84 is provided with a circular arc contact 820, the circular arc contact 820 can only be connected with one separating bridge key 818 to form a closed passage at each time along with the rotation of the third circular gear 84, the separating bridge keys 818 are arranged in a sector shape, serial number marks of numbers 0, 1 and … are sequentially marked on the separating bridge keys 818 in the anticlockwise, the separating bridge keys 818 with serial numbers 0, 1 and … are respectively connected with a conducting wire and a conducting wire interface 819, the accumulator 8 is formed by sequentially arranging a second arc slide block 813 and a third arc slide block 814 on the first round rod slide rail 76 and the second round rod slide rail 77 of the grouping device 7, the curve spring 817 is arranged in front, the third round gear 84 can be meshed with the second round gear 66 on the driver 6, and the accumulator 8 is a device for converting the accumulated number into an electric signal.
As shown in fig. 1 and 13, the display screen 9 includes a horizontal plate 91 with a groove, a lamp socket bottom plate 92, a light shield 93, a transparent drawing board 94 and a diode lamp 95, the horizontal plate 91 with a groove is a rectangular hard plate, the lamp socket bottom plate 92 is disposed in the groove on the horizontal plate 91 with a groove, the diode lamp 95 is disposed on the surface of the lamp socket bottom plate 92, the rectangular lamp array formed by the diode lamps 95 is formed, and a lamp line interface 99 is disposed on the lower bottom surface of the lamp socket bottom plate 92. The diode lamp 95 is sleeved with a light shield 93, and the light shield 93 is a cylindrical tube surrounded by a transverse shield 96 and a longitudinal shield 97. The utility model discloses a lamp holder, including light shield 93, transparent drawing board 94 is the transparent thin flat board of rectangle, transparent drawing board 94 lower extreme is equipped with second scale 98, four angle departments behind transparent drawing board 94 are equipped with sucking disc 910, transparent drawing board 94 can be fixed on lamp stand bottom plate 92 through sucking disc 910, bottom surface both ends are equipped with square pipe box 911 respectively under the trough of belt diaphragm 91, display screen 9 is the upper end of sleeving square pipe box 911 at the first vaulting pole 112 of support 1 and second vaulting pole 113, and display screen 9 is the device that shows the distribution characteristic and fits into continuous curve through the lamp holder bright spot with statistics.
The utility model discloses a full-automatic index distribution analyzer of experimental statistics composition's theory of operation is, turns into the life-span data of measurement thing into grouping statistical data according to electromagnetism, voussoir separation and reunion transmission, utilizes the intermittent type rotation of the teeth of a cogwheel to pass through light formation image to statistical data. The method is characterized in that: the operation is simple, and all demonstration and image construction can be completed only by turning on the switch of the control power supply; the functions are complete: the test, the grouping statistics, the index distribution image construction and the like of the reaction life such as pressure, breakdown resistance and the like can be completed at the same time; the structure is compact, the cost is low, and the carrying is convenient; the applicability is strong: the test, demonstration and composition can be carried out in any visual angle in various occasions. The method is suitable for teaching, science popularization, product quality inspection and statistics and the like.
The utility model discloses a full-automatic index distribution analysis appearance of experimental statistics composition has rapid test and demonstration function, just can accomplish work such as preliminary examination, grouping, statistics, composition fast through disposable operation continuously with the determinand of random extraction, and operating procedure is:
firstly, assembling the device, 1, placing a frustum pyramid base 16 of the support 1 on a stable horizontal plane, and screwing a positioning nut 15 to enable the support 1 to be in a stable state. 2] the running gear 613 in the drive 6 is bolted through the seventh circular hole 612 to the second circular hole 27 in the underside of the trolley 2, and the controller 68 is fixed to the first circular hole 115. 3, a first screw 28 and a first screw 29 of the pulley 2 provided with the driver 6 are sequentially fixed on a first slide block 19 and a second slide block 110 of a first slide way 17 and a second slide way 18 of the bracket 1, a second circular gear 66 is meshed with straight teeth on a straight rack 111 in the bracket 1, and the second circular gear is fixed by an elastic lock 116. And 4, sequentially inserting the front end and the rear end of a round pipe shaft 33 of the test bracket 3 into a first pipe frame 210 and a second pipe frame 211 on the pulley 2, fixing a first square pipe rod 35 and a second square pipe rod 36 on a pulley vertical plate 22, rotating the bracket bottom plate 31 to be parallel to a rectangular insulating plate 37, and fixing the bracket bottom plate by using a first pin 38. 5] the transmission 4 is fixed in the carriage 2 at the second elliptical hole 26 of the carriage base plate 21 by means of a pin through a diamond hole 422, and the first piston rod 410 is opposite to the armature base plate 397 of the electromagnetic spring 39. 6, the transmission mechanism 5 is fixed on the pulley 2 at the first rectangular hole 24 through a sixth round hole 57 by screws. The first power outlet 58 is connected by a wire to a second switch interface 4321 on the gearbox 43. 7] the grouper 7 without the positioning mechanism 73 is pinned to fix the third brace 74 and the fourth brace 75 in turn at the oval slots 116 of the first brace 112 and the second brace 113 of the rack 1. The cursor arrow plate 56 on the drive mechanism 5 is positioned above the sorter base 71 and the second web 55 is positioned below the sorter base 71. 8] more than one accumulator 8 is placed on the first circular bar slide 76 and the second circular bar slide 77 of the grouper 7, with the curved spring 817 in front, and the third circular gear 84 can mesh with the second circular gear 66 on the drive 6. 9] more than one positioning means 73 is placed on the grouping means 7, so that there is an accumulator 8 between two adjacent positioning means 73. 10] the square tube sleeve 911 of the display screen 9 is sleeved on the upper ends of the first stay 112 and the second stay 113 of the bracket 1, and the transparent drawing board 94 is arranged in front.
Adjusting and setting the initial position: 1]The elastic lock 116 is opened to move the pulley 2 to the zero scale position of the first scale 710 on the grouping device 7 aligned with the arrow plate 56 on the upstream of the transmission mechanism 5 and then locked; 2]M + N electrical components from the same population were randomly measured for life, where M, N were all less than N, and M were placed in the electrical interface 332 on the test carrier 3. 3]The valve 421 on the rectangular water tank 42 in the transmission 4 is opened, the constant temperature liquid is filled into the tank, and after all the first pistons 49 reach the bottom of the first transparent tube 47 and the trapezoidal tongue plate 433 reaches the left side of the first switch 434 on the left side, the valve 421 is closed. 4]The positioning mechanism 73 on the grouping device 7 and the accumulators 8 are moved to the right of the grouping device vertical plate 72, and the circular arc contact 820 on the third circular gear 84 in all the accumulators 8 is rotated to the 0 position of the separation bridge 818. 5]The positioning mechanisms 73 on the grouping device 7 are sequenced from left to right and are sequentially marked as a1、a2、…、an+1The location triangle 733 and landmark board 732 are also denoted as a1、a2、…、an+1。6]The accumulators 8 are ordered from left to right, denoted b1、b2、…、bn。7]The diode lights 95 of the display screen 9 are sorted from left to right by columns, which are sequentially marked as c1、c2、…、cnAnd a lamp group.
Thirdly, testing the longest service life to determine a segmentation boundary point: 1]With the serial number a1The positioning triangle 733 of the positioning mechanism 73 is moved to the position of the arrow mark 56 at the upstream of the transmission mechanism 5, the disc handle 7312 is rotated to make the second orientation line 7311 coincide with the first orientation line 739, and the octagonal wheel is rotatedA nut 7310 fixes the positioning block 737 and the positioning triangle 733. 2]Handle serial number b1Is moved to the immediate vicinity of a1And a positioning mechanism 73. 3]With the serial number a2The positioning triangle 733 is moved to abut on b1After-fixing, 4]Is selected ciThe diode lamps 95 in the row are M from bottom to top and have the serial number b1Is connected to the lamp line interface 99 of the M diode lamps 95. 5]The accumulator 8 is powered on, and c on the display screen 9iThe M diode lamps 95 of the column are on. 6]First circular gears 53 and b in the adjusting gear 51The third circular gear 84 in the accumulator 8 is engaged, and the first stepping motor 52 is in a standby state by turning on the power of the transmission mechanism 5. 7]The power of the electric appliance to be tested in the test bracket 3 is switched on, the timer 23 is started to record the time t0At c, iniThe first diode lamp 95 in the row is off and is marked t1And when the second is extinguished, it is denoted as t2…, where t is recorded when M is just extinguishedMCalculating the average lifetime as lambda0。8]Determining the maximum life, with reference to the base life tMAnd (5) making appropriate correction, and determining the longest service life of the electric appliance to be tested to be T. 9]If the electric appliance to be tested has reference data of the historical service life, the original historical maximum service life is directly used as the longest service life of the electric appliance to be tested. 10]Determining time nodes, and equally dividing the longest service life T into k sections, wherein
K is less than or equal to n, and the time nodes are sequentially T0、T1、T2、…、Tk。11]The device is restored to the state of the initial position.
Fourthly, measurement, statistics and demonstration: 1]M used electric appliances to be tested on the test bracket 3 are removed, and the other N electric appliances to be tested are placed on the test bracket 3. 2]Turning the knob 610 of the driver 6 to a gear position of speed v (v is v) depending on the length of the first scale 7100、v1Or …). 3]With the serial number a1The positioning triangle 733 is moved to the position of the arrow marking plate 56 at the upstream of the transmission mechanism 5 and then fixed at a1The landmark plate 732 is marked with the landmark position x1The handle is numbered as a2The positioning triangle 733 is moved to x of the first scale 7101+v(T1-T0) Position post-fixing at a2The landmark plate 732 is marked with the landmark position x2The rest are also moved to x in turn2＝x1+vT2、…、xk+1＝x1+v(Tk-T0)。4]Handle serial number b1、b2、…、 bkIs sequentially shifted to a1、a2、…、akThe right side of the blocking plate 737 is positioned in the positioning mechanism 73. Each circular arc contact 820 is rotated to position 0 of the separation bridge 818. 5]Is selected c1、c2、…、ckThe diode lamps 95 of the row lamp group are N from bottom to top in each row, and the serial number is b1、b2、…、bkC with the accumulator 8 in turn1、c2、…、ckThe lamp line interfaces 99 of the N diode lamps 95 of the row lamp set are connected. 6]The accumulator 8 is powered on, and k columns of N rows of lighting lamp arrays appear in the lower left area of the display screen 9. 7]The first stepping motor 52 is in a standby state by turning on the power of the transmission 5. 8]And (4) performing test statistics, and simultaneously switching on the power supply of the electric appliance to be tested in the test bracket 3 and the power supply of the driver 6. The pulley 2 moves rightwards, the first round gears 53 and b1The third circular gear 84 in the accumulator 8 is engaged and the first strip 54 approaches the curved spring 84, pushing b1The accumulators 8 move simultaneously, if one of the electrical devices to be tested breaks down, at c1The uppermost light emitting diode lamp 95 in the row is turned off, and if two of the electrical devices to be tested are broken down simultaneously, at c1The two LED lamps 95 that are lit uppermost in the row are extinguished, so that more, when the positioning cursor 66 reaches position x2When b is greater than1The accumulator 8 is stopped by a positioning stop plate 737 on the positioning mechanism 73. The curved spring 84 is pushed and retracted by the first blade 54, and the first circular gear 53 of the first blade 54 enters into the space b2In the accumulator 8, c1The number of the lamps in the lamp group is the number of the lamps with the service life exceeding T1The statistical number m of1. The rest can be analogized, when the pulley 2 reaches xk+1When c is greater than2、…、ckThe number of the lamp bright cup in the row lamp group is m in sequence2，m3、…、mkTheir lifetimes are in turn T2、…、Tk。9]The light spot is patterned to indicate at c1、 c2、…、ckThe uppermost light in the lamp group forms a monotonically decreasing curve profile that approximately reflects the trend of the measured object's life distribution. 10]And calculating the average service life tau to obtain a parameter lambda which is 1/tau.
The utility model discloses a full-automatic index distribution analyzer of experimental statistics composition has the drawing analysis function: the exponential distribution density function f (x) ═ λ e can be plotted by statistical trends-λx(x>0) And analyzing the characteristics of the exponential distribution E (λ). The operation steps are as follows:
the method comprises the steps of firstly, assembling an instrument, secondly, adjusting and setting an initial position, thirdly, determining the longest service life and a sectional boundary point, fourthly, measuring, counting and composing a picture, and has the same operation and rapid test and demonstration functions.
Fifthly, drawing a density function curve: 1]Determining a key value-taking point of the random quantity, taking down the transparent drawing board 94 from the display screen 9, establishing a rectangular coordinate system Oxy on the front side surface of the transparent drawing board 94 by taking the direction of the second scale 98 as a horizontal axis, and marking x on the landmark board 732 in the first scale 7101、x2、…、xk、xk+1Is correspondingly drawn on the second scale 98, still with x1、x2、…、xk、xk+1And (4) showing. 2]Determining the frequency of key points, using N-m1、N-m2、N-m3、…、N-mkDividing by N as the frequency p at which corresponding packets occuriI.e. pi＝(N-mi)/N，i＝1、2、…、k，3]Determining key points, tracing out points (x) in Oxy1，λ)，(xi+1，pi)。4]Fitting a curve, fitting all points (x)i+1，pi) A continuous curve is drawn with reference to the distribution trend line, at point (x)1λ) left side of the graph, a straight line with y equal to 0 is drawn, and a point (x) is drawnk+1，pk) The right curves extend downward as appropriate. 5]The transparent drawing board 94 with the drawn curve is fixed on the insulating base 92 of the display screen 9 by the suction cup 910.
Sixthly, analyzing the characteristics of the two-term distribution: 1] the image on the transparent panel 94 is analyzed in line contrast with the light spots, respectively. 2] the power is turned off and the exponential distribution characteristics are explained for the segments, peaks, means, etc. of the curve on the transparent panel 94.
The utility model discloses full-automatic index distribution analyzer's of experimental statistics composition economic value and application prospect: with the technical progress and economic development, advanced equipment is required to improve the teaching effect and the product quality detection level, an index distribution demonstration instrument which is simple to operate and convenient to use is urgently needed, only in the aspects of higher education and training, more than 2000 places in higher schools are shared in China, and a plurality of enterprises are also needed, so that the number of the enterprises is considerable, the market prospect is very wide, and good economic benefit and social benefit are achieved.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. The full-automatic index distribution analyzer of experimental statistics composition includes support, coaster, experimental bracket, derailleur, drive mechanism, driver, grouter, accumulator and display screen, its characterized in that: the pulley is arranged at the lower part of the support, the test bracket, the transmission and the transmission mechanism are arranged on the pulley, the driver is arranged at the lower part of the pulley, the grouping device is arranged at the rear part of the support, the accumulator is arranged on the grouping device, and the display screen is arranged at the upper part of the support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920080925.XU CN210488955U (en) | 2019-01-18 | 2019-01-18 | Full-automatic index distribution analyzer for test statistical composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920080925.XU CN210488955U (en) | 2019-01-18 | 2019-01-18 | Full-automatic index distribution analyzer for test statistical composition |
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| CN201920080925.XU Expired - Fee Related CN210488955U (en) | 2019-01-18 | 2019-01-18 | Full-automatic index distribution analyzer for test statistical composition |
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