CN203011772U - Axial static stiffness horizontal measuring device of ball lead screw pair - Google Patents
Axial static stiffness horizontal measuring device of ball lead screw pair Download PDFInfo
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- CN203011772U CN203011772U CN 201220728547 CN201220728547U CN203011772U CN 203011772 U CN203011772 U CN 203011772U CN 201220728547 CN201220728547 CN 201220728547 CN 201220728547 U CN201220728547 U CN 201220728547U CN 203011772 U CN203011772 U CN 203011772U
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Abstract
The utility model discloses an axial static stiffness horizontal measuring device of a ball lead screw pair. The axial static stiffness horizontal measuring device comprises a loading component, an anti-rotation component, a measuring component, a locking component, a support component and a data processing module, wherein the loading component comprises a servo motor, a speed reducer, a belt pulley transmission part, a pair of loading lead screws, a pair of loading nuts and a moving beam; the anti-rotation component comprises a nut tool, a pinboard and a sleeve; the measuring component comprises a displacement sensor and a pressure sensor; the locking component comprises a locking lead screw, a locking hand wheel and double nuts; the support component comprises a lathe bed, a head rack, a tail rack and a displacement sensor clamp; and the data processing module is a computer for processing data. The axial static stiffness horizontal measuring device can realize the automatic measurement on the axial static stiffness of the ball lead screw pair, and has the advantages that the carrying load is large, the measurement precision is high, the application range is wide, the measurement positions are multiple and the dragging and the compression in axial loading can be both considered.
Description
Technical field
The utility model belongs to field of measuring technique, particularly the horizontal measurement mechanism of a kind of ball screw assembly, axial static rigidity.
Background technology
The mechanical organ that ball screw assembly, is comprised of ball-screw, ball and ball nut, its major function are to convert linear movement to rotatablely moving, or torque conversion is become axial repeated action power.It can realize very high transmission and bearing accuracy, is widely used in the feeding transmission system of all kinds of precision machine tools, is that mechanical industry is used extensive, strict auxiliary equipment and basic part.
The axial static rigidity of ball screw assembly, has reflected the ability of ball screw assembly, opposing axial deformation, and it is defined as under the effect of axial force, required axial force (N) when axially producing 1 μ m deflection.Ball screw assembly, is as the critical component of NC machine tool feed system, and its properties, especially axial static rigidity will directly have influence on bearing accuracy and the repetitive positioning accuracy of numerically-controlled machine.And ball screw assembly, axial static rigidity is the weakest link of rigidity in whole NC machine tool feed system, and its performance quality has significant impact to the machining precision of numerically-controlled machine.At present, external ball screw assembly, manufacturer such as THK, NSK etc. all through strictly checking, have also marked accurately the technical indicators such as axial static rigidity value, for user's reference during its product export on the sample handbook.And review domestic, although experiencing the time of decades aspect the development and research of ball screw assembly,, but the research to technique is still immature, and with international most advanced level, larger gap is arranged, be mainly reflected in: theoretical research is not deep enough, the technical indicator of product and actual usability are lower, lack effective pick-up unit etc.Therefore develop measurement mechanism and the measuring method of high precision, top load, high universalizable, not only have good application prospect, the raising of domestic ball screw assembly, quality is also had good impetus.
Find through the literature search to prior art, the people such as the Song Xianchun of Shandong University Building began to design the employing hydraulic system and carry out the axial loading of ball screw assembly, in 2008, by the signal of acquisition and processing pressure transducer and micro-displacement sensor, carry out the test of axial static rigidity; This device need to limit by extra T-shaped guide rail leading screw and rotate, and adopts hydraulic system that leading screw is exerted pressure, and the maximum axial load is 100kN, can not accomplish that tension and compression take into account, load mode is single, and load is less, loading system is complicated, and cost is higher, and technological means is also immature.Chinese utility model patent publication No. CN102116717 A, name is called: based on the ball screw assembly, axial static rigidity test fixture of Material Testing Machine, this patent Introduction a kind of unit clamp that designs based on Material Testing Machine, concrete method of testing is take Material Testing Machine as body, can carry out the axial tension and compression test of ball screw assembly, by unit clamp, the maximum load ability is 500kN, and utilize host computer soft and hardware system's realizable force that Material Testing Machine carries and the synchronous acquisition of displacement, complete the drafting of axial static stiffness curve; This scheme is due to the restriction that is subject to Material Testing Machine clamp device and unit clamp size, tested leading screw overall length needs less than 600mm, tested nut needs special external diameter to punch greater than the flange of 82mm and on flange could satisfy the clamping requirement, therefore bring tested ball screw assembly, length limited, can measure diameter series few, especially larger diameter series can't be measured, versatility is lower, can only stretch during loading and can not exert pressure, form is single, and technological means is the shortcoming such as immature also.Chinese utility model patent application number 201210457121.X, name is called: ball screw assembly, axial static stiffness measurement device and method thereof, this patent adopts the vertical loading of double lead-screw, fixing tested nut, the tested leading screw of exerting pressure, and by once falling to install into the measurement of tested ball screw assembly, tension and compression direction axial static rigidity, maximum load power is 600kN, and is designed with special-purpose anti-rotation structure.
The utility model content
The horizontal measurement mechanism of ball screw assembly, axial static rigidity that provides a kind of high precision, top load, high universalizable, many measuring positions, tension and compression to take into account is provided the purpose of this utility model.
The technical solution that realizes the utility model purpose is: the horizontal measurement mechanism of a kind of ball screw assembly, axial static rigidity, comprise charging assembly, anti-rotation assembly, measure assembly, latch assembly, supporting component and data processing module, described charging assembly comprises servomotor, reductor, belt wheel transmission part, a pair of loading leading screw, a pair of loading nut and trave lling girder; The anti-rotation assembly comprises nut frock, card extender and sleeve; Measure assembly and comprise displacement transducer and pressure transducer; Latch assembly comprises locking screw, locking handwheel, double nut; Supporting component comprises lathe bed, the headstock, tailstock, displacement sensor fixture; Data processing module is data and processes required computing machine; The belt wheel transmission part is connected to form a driving wheel and two followers by Timing Belt, servomotor is connected with reductor, reductor is connected with driving wheel, two followers are connected with each bootstrap loading leading screw respectively, a pair of loading nut respectively with partner loaded ball lead screw pair and being arranged symmetrically with along the lathe bed plane of symmetry of each bootstrap loading leading screw, a pair of loading leading screw is arranged on lathe bed by bearing, and computing machine is connected with servomotor, pressure transducer and displacement transducer respectively; The headstock, tailstock, tested leading screw, tested nut, locking screw all are arranged on the plane of symmetry of lathe bed; The headstock is fixed on lathe bed, sleeve is connected with the headstock, tested leading screw one end inserts in sleeve and leans on dead sleeve by the shaft shoulder, tailstock is arranged on lathe bed by T-shaped groove, can move horizontally along the lathe bed plane of symmetry, and can be by tightening the fixing position of tailstock of nut on T-shaped groove inner bolt, during measurement, tailstock is by the dead tested leading screw other end shaft shoulder; Trave lling girder is connected with a pair of loading nut, card extender is connected with trave lling girder, pressure transducer is connected with card extender, the nut frock is connected with pressure transducer, tested nut is connected with the nut frock, tested nut and tested leading screw consist of a tested ball screw assembly,, and card extender, pressure transducer, the equal empty set of nut frock are on tested leading screw; Locking screw is arranged on lathe bed, and an end will lock handwheel by double nut and locking screw is fixed, and the other end withstands on tailstock, locks or loosen tailstock by the rotation lock handwheel to contact with tested leading screw; Displacement sensor fixture is installed on lathe bed, and displacement transducer is arranged on displacement sensor fixture, and the displacement measurement surface is chosen as tested nut near the end face of headstock direction.
The utility model compared with prior art, its remarkable advantage: (1) this device maximum test force is much larger than at present existing testing table maximum test force, and adopt high-precision pressure sensor and displacement transducer, therefore have superelevation load, high-precision advantage, and possess the load capability of the destructive test done; (2) adopt the device of the utility model design, not only can carry out the axial static stiffness measurement to the common ball screw assembly, of diameter series commonly used, more can measure heavily loaded ball screw assembly,, and to the length of tested leading screw without too high restriction, have advantages of applied widely; (3) tested ball screw assembly, when preventing from loading, the rotation of especially large lead angle ball screw assembly,, this device is designed with a cover anti-rotation structure, and all applicable for different-diameter series of balls lead screw pair, simple in structure, reliability is high; (4) this device adopts fixing tested leading screw, forces in the load mode of tested nut, and is simple in structure, loads reliable and stablely, and can realize the load test of a plurality of measuring positions with the variation of tested nut location; (5) adopt the device of the utility model design, can realize the measurement of axial static rigidity under tested ball screw assembly, tension and compression state by controlling motor positive and inverse, with low cost, the data value of detection is accurately reliable, has good market outlook.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Description of drawings
Fig. 1 is the structure composition of the horizontal measurement mechanism of the utility model ball screw assembly, axial static rigidity and assembles schematic diagram.
Fig. 2 is the utility model device middle sleeve structural representation: (a) front view, (b) left view.
Fig. 3 is trave lling girder structural representation in the utility model device.
Fig. 4 is the utility model measuring method process flow diagram.
Embodiment
The utility model adopts fixing tested leading screw, load mode to the tested nut application of force, working pressure sensor and displacement transducer are sampled to axial load and the axial micrometric displacement of tested nut respectively, wherein pressure transducer and tested nut are connected, displacement transducer is arranged on lathe bed by displacement sensor fixture, measures the perpendicular displacement of tested nut right side.Can draw respectively under the tension and compression state ball screw assembly, axial static stiffness curve and finally calculate the size of its value by sampled data is processed, thereby realizing the measurement of ball screw assembly, axial static rigidity, particular content is as follows.
in conjunction with Fig. 1, the horizontal measurement mechanism of the utility model ball screw assembly, axial static rigidity, comprise charging assembly, anti-rotation assembly, measure assembly, latch assembly, supporting component and data processing module, described charging assembly comprises servomotor 18, reductor 19, belt wheel transmission part 20, a pair of loading leading screw 14, a pair of loading nut 13 and trave lling girder 8, the anti-rotation assembly comprises nut frock 5, card extender 7 and sleeve 15, measure assembly and comprise displacement transducer 3 and pressure transducer 6, latch assembly comprises locking screw 9, locking handwheel 10, double nut 11, supporting component comprises lathe bed 17, the headstock 16, tailstock 12, displacement sensor fixture 2, data processing module is data and processes required computing machine 21, belt wheel transmission part 20 is connected to form a driving wheel and two followers by Timing Belt, servomotor 18 is connected with reductor 19, reductor 19 is connected with driving wheel, two followers are connected with each bootstrap loading leading screw 14 respectively, a pair of loading nut 13 respectively with partner loaded ball lead screw pair and being arranged symmetrically with along lathe bed 17 planes of symmetry of each bootstrap loading leading screw 14, a pair of loading leading screw 14 is arranged on lathe bed by bearing, and computing machine 21 is connected with displacement transducer with servomotor 18, pressure transducer 6 respectively and is connected, the headstock 16, tailstock 12, tested leading screw 1, tested nut 4, locking screw 9 all are arranged on the plane of symmetry of lathe bed 17, the headstock 16 is fixed on lathe bed 17, the sleeve 15 that is processed with the female spline through hole is connected with the headstock 16 by screw, tested leading screw 1 right-hand member processes male splines, insert in sleeve 15 and lean on dead sleeve 15 by the shaft shoulder, the rotation and the dextrad that have limited tested leading screw 1 move, tailstock 12 is arranged on lathe bed 17 by T-shaped groove, can move horizontally along lathe bed 17 planes of symmetry, and can be by tightening the fixing position of tailstock 12 of nut on T-shaped groove inner bolt, during measurement, tailstock 12 by the dead tested leading screw 1 left end shaft shoulder, has limited tested leading screw 1 left-hand and has moved, trave lling girder 8 is connected with a pair of loading nut 13, card extender 7 is connected with trave lling girder 8, pressure transducer 6 is connected with card extender 7, nut frock 5 is connected with pressure transducer 6, tested nut 4 is connected with nut frock 5, tested nut 4 be connected leading screw 1 and consist of a tested ball screw assembly, (tested nut 4 is connected with tested leading screw 1), card extender 7, pressure transducer 6, the equal empty set of nut frock 5 is on tested leading screw 1, when a pair of loading leading screw 14 rotates, a pair of loading nut 13 moves left and right, load on respectively trave lling girder 8, card extender 7, pressure transducer 6, nut frock 5, finally load on tested nut 4, locking screw 9 is arranged on lathe bed 17, and it is fixing with locking screw 9 that left end will be locked handwheel 10 by double nut 11, and right-hand member withstands on tailstock 12, can lock or loosen contacting of tailstock 12 and tested leading screw 1 left end by rotation lock handwheel 10, displacement sensor fixture 2 is installed on lathe bed 17, and displacement transducer 3 is arranged on displacement sensor fixture 2, and the displacement measurement surface is chosen as tested nut 4 right sides (measurement face).Above-mentioned left and right directions is: take the headstock 16 directions as right, take tailstock 12 directions as left, the left and right end is an available end, other end statement also.
In conjunction with Fig. 2, in the horizontal measurement mechanism of the utility model ball screw assembly, axial static rigidity, described sleeve 15 is a disk-like accessory, process the female spline through hole at Central of the parts, tested leading screw 1 one ends process male splines, tested leading screw 1 one ends that process male splines coordinate with the female spline through hole anti-rotating function of realizing tested leading screw 1, are processed with through hole on the flange face of sleeve 15, are connected with the headstock 16 by screw.
In conjunction with Fig. 3, in the horizontal measurement mechanism of the utility model ball screw assembly, axial static rigidity, described trave lling girder 8 is a disk-like accessory, the similar key of shape, all machining holes are through hole, the both sides macropore of trave lling girder 8 is used for empty set at a pair of loading leading screw 14, aperture (can be 4-10) uniform around macropore is used for being connected with loading nut 13, the U-shaped groove empty set in trave lling girder 8 centre positions is on tested leading screw 1 and be convenient to the installation of tested leading screw 1, and the hole of U-shaped groove both sides is used for being connected with card extender 7 screws.
In conjunction with Fig. 4, the utility model uses the above-mentioned horizontal measurement mechanism of ball screw assembly, axial static rigidity to carry out ball screw assembly, axial static stiffness measurement method, and step is as follows:
(1) before measurement, tested ball screw assembly, is processed: the bolt connecting hole on tested nut 4 flanges is processed as through hole, and tested leading screw 1 two ends process the shaft shoulder for axial location, and an end processes male splines, is used for preventing that tested leading screw 1 from rotating;
(2) preliminary work before sampling: select corresponding sleeve 15 and nut frock 5 according to tested ball screw assembly, model, with card extender 7, pressure transducer 6, nut frock 5 threes from left to right connect successively, after connecting, the three is inserted in tested leading screw 1 from left end, rotate tested nut 4 to a certain measuring position on tested leading screw 1 and attaching nut's frock 5 and tested nut 4, then sleeve 15 is fixed on the headstock 16, tested leading screw 1 right-hand member is inserted sleeve 15 and leans on dead with the shaft shoulder, connect trave lling girder 8 and card extender 7, then promote tailstock 12 and be close to the tested leading screw 1 left end shaft shoulder, rotation lock handwheel 10 drive locking screws 9 withstand tailstock 12 makes tailstock 12 and tested leading screw 1 lean on dead, tighten the nut on T-shaped groove inner bolt, fixedly tailstock 12, above-mentioned sequence of operations has prevented the rotation of moving left and right of tested leading screw 1 and rotation and tested nut 4, last installation position displacement sensor 3, make displacement transducer 3 measure tested nut 4 near the end face horizontal shift of the headstock 16 directions, zero clearing pressure transducer 6 and displacement transducer 3.Described measuring position is: select as required a plurality of measuring positions before measurement on tested leading screw 1, and when guaranteeing to install in each measuring position tested nut 4 right sides in displacement transducer 3 measurement ranges, trave lling girder 8 and tailstock 12 guarantee certain distances (〉=20mm).Described sequence of operations has prevented that the rotation of moving left and right of tested leading screw 1 and rotation and tested nut 4 from being: sleeve 15 is connected with the headstock 16, the headstock 16 is connected with lathe bed 17, tested leading screw 1 two ends, the left and right shaft shoulder leans on dead with tailstock 12 and sleeve 15 respectively, limited moving left and right of tested leading screw 1, tested leading screw 1 right-hand member male splines coordinates with the female spline through hole of sleeve 15, has limited the rotation of tested leading screw 1; Trave lling girder 8 is connected with a pair of loading nut 13, limited the rotation of trave lling girder 8, and trave lling girder 8 is connected with card extender 7, pressure transducer 6, nut frock 5, tested nut 4 successively, therefore limited the rotation of tested nut 4.Described installation position displacement sensor 3 is: the accuracy for guaranteeing to measure during actual measurement circumferentially is arranged symmetrically with m(m 〉=3 along tested nut 4 axis) individual displacement transducer 3, the horizontal shift of jointly measuring tested nut 4 right sides (measurement face).
(3) start servomotor 18, tested nut 4 is carried out axle pressure load, and in the maximum test load of 0-100%, load successively at regular intervals and keep constant voltage 30-60 second, gather simultaneously loading force and the displacement deformation amount of each constant-voltage phase.Described in the maximum test load of 0-100%, load successively at regular intervals and keep constant voltage 30-60 to be second: determining maximum test load according to tested ball screw assembly, model; Certain intervals loads successively the constant voltage that has determined final collection and counts, and the interval is less, and collection is counted more, and it is more accurate to measure, and generally needs at least 20 constant pressure point, therefore certain intervals is got≤5% maximum test load; Load the mode also can select continuous loading synchronous to measure, it is comparatively accurate that two kinds of load modes are compared the constant voltage mode, and load mode is comparatively quick continuously.
(4) after loading finishes, begin to carry out Unloading Condition with the anti-order that loads, gather simultaneously loading force and the displacement deformation amount of each constant-voltage phase or continuous uninstall process, until be offloaded to zero, the end data collecting work obtains the sampled data of one group of ball screw assembly, axial force-displacement corresponding relation;
(5) control servomotor 18 counter-rotatings, tested nut 4 is carried out axial tension load, repeating step (3), (4) obtain the sampled data that another organizes ball screw assembly, axial force-displacement corresponding relation;
(6) process by 21 pairs of above-mentioned two groups of sampled datas of computing machine, the rejecting abnormalities point, draw respectively under pressure state and extended state ball screw assembly, axial static stiffness measurement curve (take μ m as horizontal ordinate unit, N is that ball screw assembly, axial static stiffness measurement curve is drawn by ordinate unit), the inverse of rate of curve is ball screw assembly, axial static rigidity value.Describedly process by 21 pairs of sampled datas of computing machine, the rejecting abnormalities point is: ball screw assembly, axial static rigidity value is certain value substantially, therefore it is linear relationship that power-displacement data closes, adopt least square method to organize all data points to each and carry out linear fit, surpass 10% point for relative error beyond fit line and be defined as abnormity point, with its rejecting, left point is repeated above step until without abnormity point.
By above implementation process, adopt the devices and methods therefor in the utility model to realize that the automatic measurement of ball screw assembly, axial static rigidity is had loaded load large, measuring accuracy is high, applied widely, the many and advantage that tension and compression take into account when accomplishing axially to load in measuring position.
Claims (3)
1. horizontal measurement mechanism of ball screw assembly, axial static rigidity, it is characterized in that comprising charging assembly, anti-rotation assembly, measure assembly, latch assembly, supporting component and data processing module, described charging assembly comprises servomotor (18), reductor (19), belt wheel transmission part (20), a pair of loading leading screw (14), a pair of loading nut (13) and trave lling girder (8), the anti-rotation assembly comprises nut frock (5), card extender (7) and sleeve (15), measure assembly and comprise displacement transducer (3) and pressure transducer (6), latch assembly comprises locking screw (9), locking handwheel (10), double nut (11), supporting component comprises lathe bed (17), the headstock (16), tailstock (12), displacement sensor fixture (2), data processing module is data and processes required computing machine (21), belt wheel transmission part (20) is connected to form a driving wheel and two followers by Timing Belt, servomotor (18) is connected with reductor (19), reductor (19) is connected with driving wheel, two followers are connected with each bootstrap loading leading screw (14) respectively, a pair of loading nut (13) respectively with partner loaded ball lead screw pair and being arranged symmetrically with along lathe bed (17) plane of symmetry of each bootstrap loading leading screw (14), a pair of loading leading screw (14) is arranged on lathe bed (17) by bearing, computing machine (21) respectively with servomotor (18), pressure transducer (6) is connected 3 with displacement transducer) connect, the headstock (16), tailstock (12), tested leading screw (1), tested nut (4), locking screw (9) all are arranged on the plane of symmetry of lathe bed (17), the headstock (16) is fixed on lathe bed (17), sleeve (15) is connected with the headstock (16), tested leading screw (1) one end inserts in sleeve (15) and leans on dead sleeve (15) by the shaft shoulder, tailstock (12) is arranged on lathe bed (17) by T-shaped groove, can move horizontally along lathe bed (17) plane of symmetry, and can be by tightening the fixing position of tailstock (12) of nut on T-shaped groove inner bolt, tailstock during measurement (12) is by dead tested leading screw (1) other end shaft shoulder, trave lling girder (8) is connected with a pair of loading nut (13), card extender (7) is connected with trave lling girder (8), pressure transducer (6) is connected with card extender (7), nut frock (5) is connected with pressure transducer (6), tested nut (4) is connected with nut frock (5), tested nut (4) and tested leading screw (1) consist of a tested ball screw assembly,, and card extender (7), pressure transducer (6), the equal empty set of nut frock (5) are on tested leading screw (1), locking screw (9) is arranged on lathe bed (17), one end will be locked handwheel (10) by double nut (11) and be fixed with locking screw (9), the other end withstands on tailstock (12), locks or loosen tailstock (12) by rotation lock handwheel (10) to contact with tested leading screw (1), displacement sensor fixture (2) is installed on lathe bed (17), and displacement transducer (3) is arranged on displacement sensor fixture (2), and the displacement measurement surface is chosen as tested nut (4) near the end face of the headstock (16) direction.
2. the horizontal measurement mechanism of ball screw assembly, axial static rigidity according to claim 1, it is characterized in that described sleeve (15) is a disk-like accessory, process the female spline through hole at Central of the parts, tested leading screw (1) one end processes male splines, tested leading screw (1) one end that processes male splines coordinates with the female spline through hole anti-rotating function of realizing tested leading screw (1), be processed with through hole on the flange face of sleeve (15), be connected with the headstock (16) by screw.
3. the horizontal measurement mechanism of ball screw assembly, axial static rigidity according to claim 1, it is characterized in that described trave lling girder (8) is a disk-like accessory, the both sides macropore of trave lling girder (8) is used for empty set at a pair of loading leading screw (14), around macropore, uniform aperture is used for being connected with loading nut (13), the U-shaped groove empty set in trave lling girder (8) centre position goes up and is convenient to the installation of tested leading screw (1) at tested leading screw (1), the hole of U-shaped groove both sides is used for being connected by screw with card extender (7), and all machining holes are through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220728547 CN203011772U (en) | 2012-12-26 | 2012-12-26 | Axial static stiffness horizontal measuring device of ball lead screw pair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220728547 CN203011772U (en) | 2012-12-26 | 2012-12-26 | Axial static stiffness horizontal measuring device of ball lead screw pair |
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| CN203011772U true CN203011772U (en) | 2013-06-19 |
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| CN 201220728547 Withdrawn - After Issue CN203011772U (en) | 2012-12-26 | 2012-12-26 | Axial static stiffness horizontal measuring device of ball lead screw pair |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018104A (en) * | 2012-12-26 | 2013-04-03 | 南京理工大学 | Horizontal measuring device for axial static rigidity of ball screw pair and method thereof |
| CN104931253A (en) * | 2015-05-28 | 2015-09-23 | 南京理工大学 | Ball screw servo loading test device based on hydraulic servo system |
| CN105372061A (en) * | 2015-11-13 | 2016-03-02 | 东南大学 | Ball screw pair axial loading device |
| CN106501074A (en) * | 2016-10-09 | 2017-03-15 | 金华送变电工程有限公司 | Draw-in groove leading screw tension grip |
| CN107036898A (en) * | 2017-01-09 | 2017-08-11 | 湘潭大学 | A kind of axial deformation measurement testing stand of metal band type stepless speed variator belt wheel |
| CN107202692A (en) * | 2017-05-12 | 2017-09-26 | 同济大学 | A kind of axial static rigidity of ball screw pair measurement apparatus and method |
-
2012
- 2012-12-26 CN CN 201220728547 patent/CN203011772U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018104A (en) * | 2012-12-26 | 2013-04-03 | 南京理工大学 | Horizontal measuring device for axial static rigidity of ball screw pair and method thereof |
| CN103018104B (en) * | 2012-12-26 | 2015-04-22 | 南京理工大学 | Horizontal measuring device for axial static rigidity of ball screw pair and method thereof |
| CN104931253A (en) * | 2015-05-28 | 2015-09-23 | 南京理工大学 | Ball screw servo loading test device based on hydraulic servo system |
| CN104931253B (en) * | 2015-05-28 | 2018-09-04 | 南京理工大学 | Ball-screw servo loading experimental rig based on Hydrauservo System |
| CN105372061A (en) * | 2015-11-13 | 2016-03-02 | 东南大学 | Ball screw pair axial loading device |
| CN106501074A (en) * | 2016-10-09 | 2017-03-15 | 金华送变电工程有限公司 | Draw-in groove leading screw tension grip |
| CN107036898A (en) * | 2017-01-09 | 2017-08-11 | 湘潭大学 | A kind of axial deformation measurement testing stand of metal band type stepless speed variator belt wheel |
| CN107036898B (en) * | 2017-01-09 | 2023-06-06 | 湘潭大学 | Belt wheel axial deformation measurement test bed for metal belt type continuously variable transmission |
| CN107202692A (en) * | 2017-05-12 | 2017-09-26 | 同济大学 | A kind of axial static rigidity of ball screw pair measurement apparatus and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20150422 |