CN103575462B - Dead load type torque standardizing machine - Google Patents
Dead load type torque standardizing machine Download PDFInfo
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- CN103575462B CN103575462B CN201310551724.0A CN201310551724A CN103575462B CN 103575462 B CN103575462 B CN 103575462B CN 201310551724 A CN201310551724 A CN 201310551724A CN 103575462 B CN103575462 B CN 103575462B
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Abstract
The invention belongs to the field of torque measuring and testing and provides a dead load type torque standardizing machine to solve the problems that in the prior art, the reliability is poor, the efficiency is low and verification cannot be achieved accurately and fast. The dead load type torque standardizing machine comprises a supporting component, a standard force loading mechanism, a lever mechanism, a torque sensor installing part and a control system of the torque sensor installing part. The standard force loading mechanism comprises a loading frame, a bracket mechanism and a disc loading mechanism, the output end of a stepping motor A penetrates through an upper installing disc, weights can be clamped or loosened through a clamping transmission mechanism and a clamping arm, and the upper ends of the weights penetrate through weight grooves in a lower installing disc. The control system is fixed on the lower portion of an installing plate, the standard force loading mechanism and the stepping motor of the bracket mechanism are controlled to rotate through the control system, and therefore the weights can be loaded and unloaded. The weights can be selected and combined at will to be used according to the verification demand of the torque sensor, a drive mechanism is simple, and reliability is high.
Description
Technical field
The invention belongs to application torque metering field tests, relate to a kind of standard set-up torque sensor tested and examines and determine/calibrate, be specifically related to a kind of dead weight type safe standard torquer.
Background technology
Moment of torsion is one of basic crack of mechanics metering field.Application torque metering is widely used in the industries such as space flight, aviation, boats and ships, weapons, automobile, mine and water power.The performance study of engine in modern aerospace flight technology, naval vessel, the dynamic property research of aircraft and carrier rocket, parts performance and assembly quality in auto manufacturing, the industrial automatic control of manufacture process and the high-quality of product, the research of new material mechanical property, the accuracy of modern weapons equipment and safe reliability, all inseparable with high precision torque reference and measuring technique.
All application torque metering utensils all must by examining and determine or calibrating, and during to ensure that it is applied, measurement data is accurate and reliable.In China to various measurement parameter, all establish corresponding transmission of quantity value system.For torque measurement utensil, the Standard Machine being traceable to mass weight is the highest device of accuracy.China's sensor annual production is at the forefront in the world, and the standard torquer of sensor production producer of China extensive application at present, most employing manually loads the mode with semi-automatic loading, due to the structural limitations of device own, existing standard torquer is caused to there is poor reliability, efficiency low and can not the problem of accurate rapid verification, cannot meet the torque sensor test that output increases day by day and the requirement of examining and determine, this is just badly in need of a kind of torque standard device that can realize full-automatic accurately rapid verification.
Summary of the invention
The object of the invention is to propose a kind of dead weight type safe standard torquer, solve poor reliability, efficiency that prior art exists low and can not the problem of accurate rapid verification.
For achieving the above object, dead weight type safe standard torquer of the present invention comprises support unit, proof force load maintainer, leverage, torque sensor mounting portion and control system thereof;
Described support unit comprises base plate, four columns and installing plate, and described installing plate is fixed on base plate by described column, and by leveling lower margin and earth surface below described base plate, base plate and installing plate level are installed;
Described leverage comprises the arm of force, lever regulating flattening mechanism, hinge portion and the output shaft that is connected, the described arm of force is symmetrical structure, centre is provided with the output shaft that is connected, the both sides of the described arm of force are respectively arranged with lever regulating flattening mechanism, and described arm of force two ends are connected with proof force load maintainer respectively by hinge portion;
Described torque sensor mounting portion comprises tailstock structure, shaft coupling A and shaft coupling B, one end of torque sensor is connected with the output shaft that is connected of leverage by shaft coupling A, the other end is connected with the tailstock structure that can move forward and backward by shaft coupling B, is realized the installation of the sensor of different size by the mobile adjustment position of described tailstock;
Described proof force load maintainer comprises miniweights carrier and large counterweight carrier, described miniweights carrier comprises loading frame, carriage mechanism and disk load maintainer, and described disk load maintainer comprises pallet pull bar, counterweight carrier, pallet bottom bar, clamping gear train, stepper motor A, clamp arm, counterweight groove, counterweight, upper mounting disc and lower mounting disc, described loading frame two ends are connected with described counterweight carrier with pallet bottom bar by pallet pull bar successively, lower mounting disc and upper mounting disc is disposed with above described counterweight carrier, described upper mounting disc and described lower mounting disc are driven by described carriage mechanism and realize rising or declining, described stepper motor A is arranged in described upper mounting disc, the output terminal of described stepper motor A is through described upper mounting disc, realize the clamping of counterweight by clamping gear train and clamp arm or unclamp, described counterweight upper end is through the counterweight groove in lower mounting disc, described large counterweight carrier is identical with the structure of miniweights carrier,
Described control system is fixed on the below of the installing plate of described support unit, by torque sensor mounting portion, torque sensor is arranged on the output shaft end that is connected of described leverage, leverage two ends are provided with proof force load maintainer, rotated by the stepper motor A of control system control criterion power load maintainer, realize the compression and decompression of counterweight.
Described control system comprises Single Chip Microcomputer (SCM) system, A/D conversion and lcd screen.
Described clamping gear train comprises gear A, gear B, gear C and idle pulley, and described clamp arm comprises clamp arm A and clamp arm B; Described gear A is positioned at mounting disc bottom, be arranged on described motor shaft, the two ends of the rotating shaft of described gear B, gear C and idle pulley are fixedly mounted in mounting disc and lower mounting disc respectively, described gear A and gear B engagement, described gear A is engaged with gear C by idle pulley, described clamp arm A and described gear B are fixed together, and described clamp arm B and gear C are fixed together;
Described carriage mechanism comprises nut B, bolt, packing ring, upright supports plate, stepper motor B, screw, pallet, screw-nut body B, bearing seat, bearing; Described upright supports plate is L shape, lower end is fixed with stepper motor B by screw, upper end is fixed with bearing seat by nut B, bolt and packing ring, the leading screw lower end of described screw-nut body B is connected with stepper motor B output terminal, upper end is connected with the bearing fit on described bearing seat, the screw of described screw-nut body B is fixedly connected with pallet, drives screw-nut body B to drive pallet to realize moving up and down by stepper motor B.
Described lever regulating flattening mechanism comprises screw thread and nut C, and described screw thread is fixed on the arm of force, and described screw thread and nut C form screw pair, are realized the initial leveling of the arm of force by the movement of nut C on screw thread.
Evenly manhole is had in the middle of the described arm of force.
Described tailstock structure comprises tailstock slide block, guide rail, tailstock connect firmly end cap, screw-nut body, handwheel, described tailstock is connected firmly end cap and is connected with torque sensor by shaft coupling A, tailstock slide block and guide rail form sliding pair, described tailstock slide block connects firmly end cap with tailstock and is fixedly connected with, drive screw-nut body to drive tailstock slide block to realize seesawing by handwheel, and then realize the installation of torque sensor of different size.
Described tailstock slider bottom is each side equipped with a trip bolt, and after torque sensor is placed, both sides screw is pressed on guide rail bottom surface by rotation, and tailstock position is fixed.
Beneficial effect of the present invention is: dead weight type safe standard torquer of the present invention achieves the new paragon that a kind of counterweight loads, and is particularly useful for the torque sensor calibrating of small value force, as long as counterweight can clamp, just can realizes.Counterweight in the present invention can be chosen arbitrarily according to the needs of torque sensor calibrating and combinationally use, driving mechanism is simple, reliability is high, fundamentally solve the problem that conventional torque Standard Machine is difficult to realize accurately automatically loading arbitrarily, the detection efficiency improved, meets the requirement accurately and fast detected torque sensor.
Counterweight on dead weight type safe standard torquer of the present invention and pallet have versatility and extensibility, can as required, and change the counterweight of different quality and increase the pallet number of plies, expanding the sensing range of torque sensor, cost reduces.
Accompanying drawing explanation
Fig. 1 is dead weight type safe standard torquer structure diagram of the present invention;
Fig. 2 is dead weight type safe moment of torsion standard torque sensor mounting structure schematic diagram of the present invention;
Fig. 3 is the miniweights carrier structural representation of dead weight type safe standard torquer of the present invention;
Fig. 4 is the carriage mechanism structural drawing of dead weight type safe standard torquer of the present invention;
Fig. 5 is the 20g counterweight appearance schematic diagram of 10Nm dead weight type safe standard torquer of the present invention;
Fig. 6 is the counterweight position view of the miniweights carrier of 10Nm dead weight type safe standard torquer of the present invention;
Fig. 7 is the counterweight position view of the large counterweight carrier of 10Nm dead weight type safe standard torquer of the present invention;
Wherein: 1, proof force load maintainer, 2, leverage, 3, torque sensor mounting portion, 4, control system, 5, support unit, 6, leveling lower margin, 7, installing plate, 8, column, 9, base plate, 10, the arm of force, 11, hinge portion, 12, loading frame, 13, carriage mechanism, 14, deep groove ball bearing, 15, axle, 16, arm of force support set, 17, bearing (ball) cover, 18, be connected output shaft, and 19, torque sensor, 20, shaft coupling A, 21, tail spindle, 22, nut A, 23, shaft coupling B, 24, tailstock connects firmly end cap, and 25, tailstock slide block, 26, guide rail, 27, handwheel, 28, hand wheel shaft, 29, square end lid, 30, pallet pull bar, 31, counterweight carrier, 32, pallet bottom bar, 33, clamping gear train, 3301, gear A, 3302, gear B, 3303, gear C, 3304, idle pulley, 34, stepper motor A, 35, clamp arm, 3501, clamp arm A, 3502, clamp arm B, 36, counterweight groove, 37, counterweight, 38, upper mounting disc, 39, lower mounting disc, 40, nut B, 41, bolt, 42, packing ring, 43, upright supports plate, 44, stepper motor B, 45, screw, 46, pallet, 47, screw-nut body B, 48, bearing seat, 49, bearing.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
Embodiment one:
See accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, dead weight type safe standard torquer of the present invention comprises support unit 5, proof force load maintainer 1, leverage 2, torque sensor mounting portion 3 and control system 4 thereof;
Described support unit 5 comprises base plate 9, four columns 8 and installing plate 7, and described installing plate 7 is fixed on base plate 9 by described column 8, and by leveling lower margin 6 and earth surface below described base plate 9, base plate 9 and installing plate 7 level are installed; Main Function is the weight of carrying complete machine, provides support for installing tested torque sensor 19.
Described leverage 2 comprises the arm of force 10, lever regulating flattening mechanism, hinge portion 11 and the output shaft 18 that is connected, the described arm of force 10 is symmetrical structure, centre is provided with the output shaft 18 that is connected, the both sides of the described arm of force 10 are respectively arranged with lever regulating flattening mechanism, the described arm of force 10 two ends are connected with proof force load maintainer 1 respectively by hinge portion 11, realize proof force load maintainer 1 and rely on free gravity vertical, the output shaft 18 that is connected of the described arm of force 10 is identical with axle 15 center line, but not an axle, the end diameter of output shaft 18 of being connected is larger, identical with bearing (ball) cover 17, described output shaft 18 and bearing (ball) cover 17 six thru-bolts of being connected directly are connected on the arm of force, axle 15 is arranged in arm of force support set 16, axle both sides are conventional deep groove ball bearing 14 and bearing cap, such axle 15 is equivalent to the edge of a knife in whole lever arm of force, the arm of force can rotate around axle 15, the lever regulating flattening mechanism of both sides is the mechanisms finely tuned lever balance, arm of force support set 16 bolt is connected on installing plate 7.
Described torque sensor mounting portion 3 comprises tailstock structure, shaft coupling A20 and shaft coupling B23, one end of torque sensor 19 is connected with the output shaft 18 that is connected of leverage 2 by shaft coupling A20, the other end is connected with the tailstock structure that can move forward and backward by shaft coupling B23, can carry out torque sensor 19 and loads and unloads or adjust position according to the torque sensor 19 of different size.
Described proof force load maintainer comprises miniweights carrier and large counterweight carrier, described miniweights carrier comprises loading frame 12, carriage mechanism 13 and disk load maintainer, and described disk load maintainer comprises pallet pull bar 30, counterweight carrier 31, pallet bottom bar 32, clamping gear train 33, stepper motor A34, clamp arm 35, counterweight groove 36, counterweight 37, upper mounting disc 38 and lower mounting disc 39, described loading frame two ends are connected with described counterweight carrier 31 with pallet bottom bar 32 by pallet pull bar 30 successively, lower mounting disc 39 and upper mounting disc 38 is disposed with above described counterweight carrier 31, described upper mounting disc 38 and described lower mounting disc 39 are driven by described carriage mechanism and realize rising or declining, described stepper motor A34 is arranged in described upper mounting disc 38, the output terminal of described stepper motor A34 is through described upper mounting disc 38, realize the clamping of counterweight 37 by clamping gear train 33 and clamp arm 35 or unclamp, described counterweight 37 upper end is through the counterweight groove 36 in lower mounting disc 39, described large counterweight carrier is identical with the structure of miniweights carrier.
Described clamping gear train 33 comprises gear A 3301, gear B 3302, gear C 3303 and idle pulley 3304, and described clamp arm 35 comprises clamp arm A3501 and clamp arm B3502; Described gear A 3301 is positioned at mounting disc 38 bottom, be arranged on the axle of described stepper motor A34, the two ends of the rotating shaft of described gear B 3302, gear C 3303 and idle pulley 3304 are fixedly mounted in mounting disc 38 and lower mounting disc 39 respectively, axle maintains static dynamic, and gear B 3302, gear C 3303 and idle pulley 3304 gear are fixed by back-up ring; Described gear A 3301 and gear B 3302 engage, and described gear A 3301 is engaged with gear C 3303 by idle pulley 3304, and described clamp arm A3501 and described gear B 3302 are fixed together, and described clamp arm B3502 and gear C 3303 are fixed together; When stepper motor A34 rotates, gear A 3301 is rotated, gear B 3302 and gear A 3301 engagement rotation, drive clamp arm A3501 action, motion and power are delivered on gear C 3303 by idle pulley 3304, drive clamp arm B3502 action, clamp arm A3501 is contrary with clamp arm B3502 direction of action, realizes the clamping of counterweight 37 and unclamps.
Because the counterweight 37 on this device is less, load with gear train also less, entirety is lighter.The clamping realizing counterweight 37 with unclamp, the action of clamp arm 35 is also very little, so stepper motor A34 axle only rotates a little angle.
All hold by each clamp arm 35 when the counterweight 37 of mechanism does not load time flat, during loading, the counterweight 37 needed is unclamped, drive upper mounting disc 38 and lower mounting disc 39 to rise by carriage mechanism, so need the counterweight loaded just to stay on counterweight carrier.
Described control system 4 is fixed on the below of the installing plate 7 of described support unit 5, by torque sensor mounting portion 3, torque sensor 19 is arranged on output shaft 18 end that is connected of described leverage 2, leverage 2 two ends are provided with proof force load maintainer 1, rotated by the stepper motor A34 of control system 4 control criterion power load maintainer 1, realize the compression and decompression of counterweight 37.
Nut B40, bolt 41, packing ring 42, upright supports plate 43, stepper motor B44, screw 45, pallet 46, screw-nut body B47, bearing seat 48, bearing 49 is comprised see carriage mechanism 13 described in accompanying drawing 4, described upright supports plate 43 is L shape, end is fixed with stepper motor B44 by screw 45, upper end is by nut B40, bolt 41 and packing ring 42 are fixed with bearing seat 48, the leading screw lower end of described screw-nut body B47 is connected with stepper motor B44 output terminal, bearing 49 on upper end and described bearing seat 48 is connected, the screw of described screw-nut body B47 is fixedly connected with pallet 46, screw-nut body B47 is driven to drive pallet 46 to realize moving up and down by stepper motor B44, and then drive the upper mounting disc 38 of the upper mounting disc 38 of miniweights carrier and lower mounting disc 39 and large counterweight carrier and lower mounting disc 39 to realize moving up and down by two pallets 46.
Described control system 4 comprises Single Chip Microcomputer (SCM) system, A/D conversion, lcd screen.
The arm of force 10 is manufactured by stainless steel, and the theoretical arm of force 10 length one direction is 500mm, symmetria bilateralis.In order to reduce quality, with manhole in the middle of the arm of force 10; In order to compensate the natural arm of force 10 imbalance problem that foozle is brought, two cover lever regulating flattening mechanisms have been laid at the arm of force 10 two ends, described lever regulating flattening mechanism comprises screw thread and nut C, described screw thread is fixed on the arm of force 10, described screw thread and nut C form screw pair, are realized the initial leveling of the arm of force 10 by the movement of nut C on screw thread.
Described tailstock structure comprises tailstock slide block 25, guide rail 26, tailstock connect firmly end cap 24, screw-nut body A, handwheel, described tailstock is connected firmly end cap 24 and is connected with torque sensor 19 by shaft coupling A20, tailstock slide block 25 and guide rail 26 form sliding pair, described tailstock slide block 25 and tailstock are connected firmly end cap 24 and are fixedly connected with by nut A22, tail spindle 21 and described tailstock connect firmly end cap 24 and are fixedly connected with, drive screw-nut body A to drive tailstock slide block 25 to realize seesawing by handwheel, and then realize the installation of torque sensor 19 of different size; Described hand wheel shaft 28 and tailstock slide block 25 form screw-nut body A, described handwheel comprises handwheel 27 and square end lid 29, described handwheel 27 is fixed on the end of guide rail 26 by square end lid 29, the screw-nut body A formed by rotating drive hand wheel shaft 28 and the tailstock slide block 25 of handwheel 27 is moved.
A trip bolt is each side housed bottom described tailstock slide block 25, and after torque sensor 19 is placed, both sides trip bolt is pressed on guide rail 26 bottom surface by rotation, and tailstock position is fixed.
The course of work of this device of dead weight type safe standard torquer of the present invention is as follows: extreme lower position fallen by pallet 46, stepper motor A34 drives clamp arm 35 to open, grips arm 35 clamp on counterweight 37, pallet 46 move, remaining counterweight 37 produces moment of torsion under gravity.
The counterweight adding set of this device is that symmetria bilateralis is arranged, and there is a control master switch every side, that is, if will produce the torque value of which side, only need close opposite side switch.
Embodiment two:
As the dead weight type safe standard torquer that a bench-type number is 10Nm, this Standard Machine is the calibrating installation that the moment of torsion produced with standard test weight is added on tested torque sensor 19.Be made up of support unit 5, proof force load maintainer 1, leverage 2, torque sensor mounting portion 3 and control system 4 thereof.
This measurement device scope is 0.1-10Nm, known by analysis, can respectively the pallet of both sides counterweight load maintainer be divided into two-layer, in ground floor miniweights carrier, every block counterweight produces the moment of torsion of 0.1Nm, in the large counterweight carrier of the second layer, every block counterweight produces the moment of torsion of 1Nm, can utilize all moment of torsion of method generation from 0.1-10Nm of superposition.
This device arm of force 10 length is 500mm, the moment of torsion producing 0.1Nm needs counterweight weight to be 20g, the moment of torsion producing 1Nm selects counterweight 200g, but because be that disk loads, when loading odd number counterweight, the position of the total barycenter of counterweight not on axis, therefore needs utilization to wait the method for point counterbalance mass that pallet is balanced, by analysis, final counterweight scheme is:
See accompanying drawing 6 and accompanying drawing 7, ground floor miniweights carrier is uniformly distributed 12 holes, a counterweight is installed in each hole of the upper mounting disc 38 of miniweights carrier, wherein the counterbalance mass in 10 holes is 20g, respectively can produce the moment of torsion of 0.1Nm, also have 2 hole dimensions about upper mounting disc center of circle symmetry to be less than 10 above-mentioned holes, placement be the counterweight of 10g, superposition uses the moment of torsion also producing 0.1Nm, and then makes loading keep equilibrium state.The material of counterweight is stainless steel, and density is commonly 7.85g/cm
3, see accompanying drawing 5, be 12mm through to can be calculated each edge lengths of 20g counterweight be upper end retained part post diameters, height be 10mm, lower end post diameters 16mm, highly 5mm, lower end cone-shaped body maximum gauge 16mm, highly 6.2mm; The mounting disc of the second layer large counterweight is uniformly distributed the identical hole of 10 sizes, and a counterweight is installed in each hole of upper mounting disc 38 of large counterweight mounting disc, and each counterbalance mass is 200g.
The Size calculation of 10g counterweight: upper end retained part post diameters is 8.5mm, high 10mm, lower end post diameters 11.3mm, height 5mm, lower end cone-shaped body maximum gauge 11.3mm, height 6.2mm.
In like manner, the counterweight on large counterweight carrier is 200g, and the Size calculation of each counterweight is as follows:
200g counterweight Size calculation: upper end retained part post diameters is 38mm, high 10mm, lower end post diameters 50.6mm, height 5mm, lower end cone-shaped body maximum gauge 50.6mm, height 6.2mm.
Be more than the specific embodiment of the present invention, but limitation of the present invention absolutely not.
Claims (10)
1. dead weight type safe standard torquer, comprise support unit (5), proof force load maintainer (1), leverage (2), torque sensor mounting portion (3) and control system (4) thereof, it is characterized in that
Described proof force load maintainer (1) comprises large counterweight carrier and miniweights carrier, described miniweights carrier comprises loading frame (12), carriage mechanism (13) and disk load maintainer, and described disk load maintainer comprises pallet pull bar (30), counterweight carrier (31), pallet bottom bar (32), clamping gear train (33), stepper motor A (34), clamp arm (35), counterweight groove (36), counterweight (37), upper mounting disc (38) and lower mounting disc (39), described loading frame (12) two ends are connected with described counterweight carrier (31) with pallet bottom bar (32) by pallet pull bar (30) successively, described counterweight carrier (31) top is disposed with lower mounting disc (39) and upper mounting disc (38), described upper mounting disc (38) and described lower mounting disc (39) are driven by described carriage mechanism (13) and realize rising or declining, described stepper motor A (34) is arranged on described upper mounting disc (38), the output terminal of described stepper motor A (34) is through described upper mounting disc (38), by clamping gear train (33) and clamp arm (35) realization to the clamping of counterweight (37) or unclamp, described counterweight upper end is through the counterweight groove (36) in lower mounting disc (39), the structure of described large counterweight carrier is identical with the structure of miniweights carrier,
Described control system (4) is fixed on the below of the installing plate (7) of described support unit (5), by torque sensor mounting portion (3), torque sensor (19) is arranged on the output shaft that is connected (18) end of described leverage (2), leverage (2) two ends are provided with proof force load maintainer (1), rotated by the stepper motor A (34) of control system (4) control criterion power load maintainer (1), realize the compression and decompression of counterweight (37).
2. dead weight type safe standard torquer according to claim 1, is characterized in that, described control system (4) comprises Single Chip Microcomputer (SCM) system, A/D conversion and lcd screen.
3. dead weight type safe standard torquer according to claim 1, it is characterized in that, described support unit (5) comprises base plate (9), four columns (8) and installing plate (7), described installing plate (7) is fixed on base plate (9) by described column (8), described base plate (9) below is by leveling lower margin (6) and earth surface, and base plate (9) and installing plate (7) level are installed.
4. dead weight type safe standard torquer according to claim 1, it is characterized in that, described leverage (2) comprises the arm of force (10), lever regulating flattening mechanism, hinge portion (11) and the output shaft that is connected (18), the described arm of force (10) is symmetrical structure, centre is provided with the output shaft that is connected (18), the both sides of the described arm of force (10) are respectively arranged with lever regulating flattening mechanism, and the described arm of force (10) two ends are connected with proof force load maintainer (1) respectively by hinge portion (11).
5. dead weight type safe standard torquer according to claim 1, it is characterized in that, described torque sensor mounting portion (3) comprises tailstock structure, shaft coupling A (20) and shaft coupling B (23), one end of torque sensor (19) is connected with the output shaft that is connected (18) of leverage (2) by shaft coupling A (20), the other end is connected with the tailstock structure that can move forward and backward by shaft coupling B (23), is realized the installation of the sensor of different size by the mobile adjustment position of described tailstock.
6. dead weight type safe standard torquer according to claim 5, it is characterized in that, described tailstock structure comprises tailstock slide block (25), guide rail (26), tailstock connects firmly end cap (24), screw-nut body, handwheel (27) mechanism, described tailstock is connected firmly end cap (24) and is connected with torque sensor (19) by shaft coupling A (20), tailstock slide block (25) and guide rail (26) form sliding pair, described tailstock slide block (25) and tailstock connect firmly end cap (24) and are fixedly connected with, screw-nut body is driven to drive tailstock slide block (25) to realize seesawing by handwheel, and then realize the installation of torque sensor (19) of different size.
7. dead weight type safe standard torquer according to claim 6, it is characterized in that, a trip bolt is each side equipped with in described tailstock slide block (25) bottom, after torque sensor (19) is placed, both sides screw is pressed on guide rail (26) bottom surface by rotation, and tailstock position is fixed.
8. dead weight type safe standard torquer according to claim 1, it is characterized in that, described clamping gear train (33) comprises gear A (3301), gear B (3302), gear C (3303) and idle pulley (3304), and described clamp arm (35) comprises clamp arm A (3501) and clamp arm B (3502), described gear A (3301) is positioned at mounting disc (38) bottom, be arranged on described motor shaft, described gear B (3302), the two ends of the rotating shaft of gear C (3303) and idle pulley (3304) are fixedly mounted in mounting disc (38) and lower mounting disc (39) respectively, described gear A (3301) and gear B (3302) engagement, described gear A (3301) is engaged with gear C (3303) by idle pulley (3304), described clamp arm A (3501) and described gear B (3302) are fixed together, described clamp arm B (3502) and gear C (3303) are fixed together.
9. dead weight type safe standard torquer according to claim 1, it is characterized in that, described carriage mechanism (13) comprises nut B (40), bolt (41), packing ring (42), upright supports plate (43), stepper motor B (44), screw (45), pallet (46), screw-nut body B (47), bearing seat (48), bearing (49), described upright supports plate (43) is L shape, lower end is fixed with stepper motor B (44) by screw (45), upper end is by nut B (40), bolt (41) and packing ring (42) are fixed with bearing seat (48), the leading screw lower end of described screw-nut body B (47) is connected with stepper motor B (44) output terminal, bearing (49) on upper end and described bearing seat (48) is connected, the screw of described screw-nut body B (47) is fixedly connected with pallet (46), screw-nut body B (47) is driven to drive pallet (46) to realize moving up and down by stepper motor B (44).
10. dead weight type safe standard torquer according to claim 4, it is characterized in that, described lever regulating flattening mechanism comprises screw thread and nut C, described screw thread is fixed on the arm of force (10), described screw thread and nut C form screw pair, realized the initial leveling of the arm of force (10) by the movement of nut C on screw thread, in the middle of the described arm of force (10), evenly have manhole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310551724.0A CN103575462B (en) | 2013-11-08 | 2013-11-08 | Dead load type torque standardizing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310551724.0A CN103575462B (en) | 2013-11-08 | 2013-11-08 | Dead load type torque standardizing machine |
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| CN103575462A CN103575462A (en) | 2014-02-12 |
| CN103575462B true CN103575462B (en) | 2015-06-10 |
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| CN201310551724.0A Expired - Fee Related CN103575462B (en) | 2013-11-08 | 2013-11-08 | Dead load type torque standardizing machine |
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| CN104330208A (en) * | 2014-11-19 | 2015-02-04 | 中国船舶重工集团公司第七0四研究所 | Simple dual balance torque standard device |
| CN104950767A (en) * | 2015-06-24 | 2015-09-30 | 中国船舶重工集团公司第七0四研究所 | Intelligent control system for ultra-large type torque standard machine and method |
| CN105300684B (en) * | 2015-12-03 | 2018-12-14 | 中国南方航空工业(集团)有限公司 | Long axis component torque calibrating device and the torque calibration method for using the device |
| CN105527055A (en) * | 2015-12-30 | 2016-04-27 | 常州市计量测试技术研究所 | In-situ calibration device and method for field torque |
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