CN108709483A - A kind of ball screw end-play test device - Google Patents
A kind of ball screw end-play test device Download PDFInfo
- Publication number
- CN108709483A CN108709483A CN201810800320.3A CN201810800320A CN108709483A CN 108709483 A CN108709483 A CN 108709483A CN 201810800320 A CN201810800320 A CN 201810800320A CN 108709483 A CN108709483 A CN 108709483A
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- ball screw
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- lead screw
- roll shaft
- screw
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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Abstract
The invention discloses a kind of ball screw end-play test devices, belong to ball screw detection device field, are characterized in that, including ball screw mounting base, nut or lead screw for fixing ball screw；Loading device is connected to lead screw or the nut of the ball screw to limit the lead screw or nut rotation of the ball screw, and drives lead screw or the nut axial movement of the ball screw；Measuring device, the lead screw of the ball screw or the amount of movement of nut axial direction are driven for measuring the loading device, the axial play measuring instrument solved at present on the market does not constrain lead screw progress circumferencial direction, the lead screw of ball screw can be rotated with the direction puted forth effort in measurement process, cause the problem of measurement result mistake, a kind of ball screw end-play test device disclosed by the invention, the nut of ball screw is limited by loading device or lead screw relatively rotates, and then reduces measurement error.
Description
Technical field
The invention belongs to ball screw detection device field, more particularly to a kind of ball screw end-play test device.
Background technology
Ball screw includes nut, lead screw and several balls being set between nut and lead screw；Ball screw clearance,
Ball screw is referred to when not installing, a side of its nut or lead screw is fixed, ball screw clearance is then made not to be fixed
Amount of movement of side when moving radially or axially；According to moving direction, radial internal clearance and end-play can be divided into；When operating
The size of clearance has an impact the performances such as the service life of ball screw, Wen Sheng, noise, vibration.
At present on the market without the related special device for measuring axial clearance of ball screw, the axial play measuring instrument of transmission without
Method meets measurement request, and the type product requires lead screw that cannot rotate in measurement process, but axial direction on the market at present
Clearance measuring apparatus does not carry out circumferencial direction to lead screw and does not constrain rotatably, the mistake of axial application of force in measurement process
The lead screw of unavoidable ball screw can be rotated with the direction puted forth effort in journey, cause measurement result mistake, and repeatability is not
It is good, it can not obtain accurate end-play.
Invention content
The object of the present invention is to provide a kind of ball screw end-play test devices, and ball wire is limited by loading device
The nut or lead screw of bar relatively rotate, and then reduce measurement error.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of ball screw end-play test device, including
Ball screw mounting base, nut or lead screw for fixing ball screw；
Loading device is connected to lead screw or the nut of the ball screw to limit the lead screw or nut of the ball screw
Rotation, and drive lead screw or the nut axial movement of the ball screw；
Measuring device drives the lead screw of the ball screw or the movement of nut axial direction for measuring the loading device
Amount.
Preferably, the loading device includes
Loading arm, lead screw or nut for abutting the ball screw；
Drive component, for driving the loading arm to move axially, to drive the lead screw or nut of the ball screw
Axial movement.
Preferably, the driving component includes
Holder, along there are two ball screw axially spaced-apart settings；
Roll shaft between two holders and wears two holders, and the loading arm is set to the roll shaft
Above and with the roll shaft it is slidably connected；
Loaded member, is each provided with one on two holders, including the first load bar and with first load bar is in
The junction of second load bar of angle setting, first load bar and second load bar connects with the holder pivots
It connects, it is the first load bar to define close to the holder, is the second load bar far from the holder, first load bar supports
It is connected to the roll shaft；
Loading blocks are both provided with one or more on two second load bars, by the loaded member will it is described plus
The gravity for carrying block is converted into the promotion roll shaft.
Preferably, finite place piece is arranged on the roll shaft, the locating part is used to limit the amount of spin of the roll shaft, with
The loading arm is set to be directed at the lead screw or nut of the ball screw.
Preferably, being additionally provided with several locking nuts on the roll shaft, the locking nut is sheathed on the roll shaft
And it positioned at the axial both ends of the loading arm, is slided with limiting the loading arm.
Preferably, the holder with the roll shaft junction be additionally provided with linear bearing with reduce the holder with it is described
The frictional force of roll shaft.
Preferably, being rotatably connected to cam on two holders, cam radial direction one end is connected to described
One load bar rotates the cam and is abutted or far from the roller with controlling first loading arm close to the side of the holder
Axis.
Preferably, the ball screw mounting base includes fixed seat and the connector that is set in the fixed seat, institute
It states and offers the first perforation on connector, nut or lead screw of first perforation for wearing the ball screw.
Preferably, the side of the connector is additionally provided with locking device, for described first to perforate and the rolling
The nut or lead screw of ballscrew are interference fitted, and the nut or lead screw to limit the ball screw are mobile and rotate.
Preferably, further including pedestal, the ball screw mounting base, the loading device and the measuring device are fixed
It is installed on the pedestal.
It can reach following advantageous effect using the present invention：
1. by being arranged ball screw mounting base and loading device, ball screw mounting base fix ball screw nut or
Lead screw, loading device limit the lead screw or nut rotation of ball screw, and the lead screw or nut to avoid ball screw are opposite to be turned
It is dynamic, and then reduce error in measurement；
2. by the way that drive component and cam is arranged, loaded member, which converts the gravity of loading blocks to, pushes roll shaft axial movement
Power, manipulation cam is only needed to rotate by operating personnel so that the abutting of loading blocks or separate roll shaft are grasped to control roll shaft glide direction
Make simple, more laborsaving；
3. being slidably connected with roll shaft by the way that loading arm is arranged so that loading arm can be used in abutting various sizes of ball wire
Bar, it is applied widely.
Description of the drawings
Fig. 1 is the structural schematic diagram of ball screw end-play test device in embodiment one；
Fig. 2 is the schematic top plan view of ball screw end-play test device in embodiment one；
Fig. 3 is the diagrammatic cross-section at A-A in Fig. 2；
Fig. 4 is the diagrammatic cross-section of ball screw mounting base and locking device in embodiment one；
Fig. 5 is the diagrammatic cross-section at B-B in Fig. 2；
Fig. 6 is the diagrammatic cross-section of loaded member and loading blocks in embodiment one；
Fig. 7 is the structural schematic diagram of loading arm in embodiment one；
Fig. 8 is the enlarged diagram at A in Fig. 3；
Fig. 9 is the enlarged diagram at B in Fig. 5；
Figure 10 is the enlarged diagram at C in Fig. 2；
Figure 11 is the enlarged diagram at D in Fig. 5；
Figure 12 be ball screw in embodiment two, ball screw mounting base and lead screw mandril diagrammatic cross-section；
Figure 13 is the structural schematic diagram of lead screw mandril in embodiment two.
In figure：1, ball screw mounting base；11, fixed seat；12, connector；121, the first perforation；122, notch；123,
Second perforation；124, the first screw hole；2, loading device；21, loading arm；211, the second through-hole；212, the second screw hole；213, third
Screw hole；214, lead screw mandril；2141, clamping block；2142, raised；22, holder；221, chassis；2211, first through hole；222, horizontal
Plate；223, flange；23, roll shaft；231, preformed hole；232, locking nut；2321, the 4th screw hole；24, loaded member；241, first
Load bar；2411, loading head；242, the second load bar；2421, gag lever post；25, loading blocks；251, third is perforated；3, dress is measured
It sets；4, pedestal；5, ball screw；51, card slot；6, locking device；61, screw rod；62, the first in command；7, linear bearing；8, it limits
Part；81, positioning pin；82, baffle；91, cam；911, cylinder；912, keyway；92, gripping member；921, flat key.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment one
Present embodiment discloses a kind of ball screw end-play test devices, in conjunction with shown in Fig. 1 and Fig. 2, including ball
Lead screw mounting base 1, loading device 2, measuring device 3 and pedestal 4, wherein ball screw mounting base 1 are for fixing ball screw 5
Nut or lead screw；Loading device 2 is connected to the lead screw or nut of ball screw 5, is turned with the lead screw or nut that limit ball screw 5
It is dynamic, and drive lead screw or the nut axial movement of ball screw 5；Measuring device 3 drives ball screw for measuring loading device 2
The amount of movement of 5 lead screw or nut axial direction；Ball screw mounting base 1, loading device 2 and measuring device 3 are fixedly installed in pedestal 4
On.
In conjunction with shown in Fig. 1 and Fig. 3, ball screw mounting base 1 includes fixed seat 11 and the connection being set in fixed seat 11
Part 12, fixed seat 11 is integrally formed with connector 12 to be arranged, and fixed seat 11 is connected and fixed with pedestal 4 by wearing screw, with limit
Ball screw mounting base 1 processed moves；The first perforation 121 is offered on connector 12, the first perforation 121 is for wearing ball screw
5 nut or lead screw, in the present embodiment, nut of first perforation 121 for wearing ball screw 5.
In conjunction with shown in Fig. 3 and Fig. 4,121 radial one end of the first perforation is offered to be connected to 12 one side wall of connector or top
Notch 122, in the present embodiment, the first perforation 121 is radial and opens up jagged 122 towards the side at 12 top of connector, but
It is not limited；The second perforation 123 being connected to 122 one side wall of notch is offered in the one side wall of connector 12, notch 122
The first screw hole 124 being connected to the second perforation 123 is offered on another side wall, wherein the side of the second perforation 123 and connector 12
Wall is connected, and the first screw hole 124 is connected with another side wall of connector 12, the diameter phase of the second perforation 123 and the first screw hole 124
Deng；It is provided with locking device 6 at notch 122, locking device 6 includes screw rod 61 and the first in command 62, and screw rod 61 wears the successively
Two perforation 123 and the first screw hole 124, screw rod 61 are located at the diameter that the side diameter outside the second perforation 123 is more than the second perforation 123
So that 61 side of screw rod is connected on the side wall of connector 12, the first in command 62 is set to one of screw rod 61 far from connector 12
Side, operating personnel hold the first in command 62 and rotate screw rod 61 to control 122 open or close of notch, to adjust the first perforation 121
Pore size, to which the first perforation of control 121 is detached or is interference fitted with the nut of ball screw 5, and then limitation ball wire
The nut of bar 5 is mobile and rotates.
Referring to figure 1 and figure 5, loading device 2 is set to the side on pedestal 4 and positioned at ball screw mounting base 1, adds
It includes loading arm 21 and drive component to carry and set 2, and wherein loading arm 21 is used to abut the lead screw or nut of ball screw 5, this reality
The lead screw that loading arm 21 in example is used to abut ball screw 5 is applied, the lead screw to avoid ball screw 5 rotates；Drive component is used for
Drive load arm 21 moves axially, to drive lead screw or the nut axial movement of ball screw 5.
Drive component includes holder 22, roll shaft 23, loaded member 24 and loading blocks 25, and wherein holder 22 is along 5 axis of ball screw
To being arranged at intervals with two, holder 22 includes chassis 221 and the transverse slat 222 being set on chassis 221, chassis 221 and transverse slat 222
It is connected by screw thread, 221 bottom of chassis simultaneously extends outward to form flange 223, flange in the side far from another holder 22
223 abut with pedestal 4 and are connected and fixed flange 223 and pedestal 4 by wearing screw, to which holder 22 is fixed on pedestal 4
On；Roll shaft 23 is located between two holders 22 and wears two holders 22, offers on corresponding chassis 221 and is worn for roll shaft 23
First through hole 2211, roll shaft 23 wear first through hole 2211 with holder 22 slide connect；It is each provided on two holders 22
One loaded member 24, loaded member 24 are located at a side of the holder 22 far from another holder 22, and loaded member 24 includes the first load
Bar 241 and with the first load bar 241 be in angle setting the second load bar 242, angle is 90 ° in the present embodiment, but not with this
It is limited, junction and the transverse slat 222 of the first load bar 241 and the second load bar 242 are rotatablely connected, and are defined close holder 22 and are
First load bar 241 is the second load bar 242 far from holder 22, and the first load bar 241 is connected to roll shaft 23；Two second
It is both provided with one or more loading blocks 25 on load bar 242, the gravity of loading blocks 25 is converted by promotion by loaded member 24
The thrust that roll shaft 23 moves axially, installation is there are one loading blocks 25 on second load bar 242 in the present embodiment, another the
There are two loading blocks 25 for installation on two load bars 242, and but not limited to this.
In conjunction with shown in Fig. 5 and Fig. 6, loading head 2411 is also equipped on the first load bar 241,2411 one end of loading head abuts
In 23 side of roll shaft, in order to precisely conduct thrust；Gag lever post 2421, gag lever post 2421 are also equipped on second load bar 242
Extend perpendicular to the second load bar 242 and the side that is directed away from pedestal 4, offers for gag lever post in corresponding loading blocks 25
The 2421 third perforation 251 worn, consequently facilitating loading blocks 25 are mounted on the second load bar 242.
In order to reduce the frictional force between holder 22 and chassis 221, chassis 221 is additionally provided with straight line with 23 junction of roll shaft
Bearing 7,7 outer ring of linear bearing are connected to the madial wall of first through hole 2211, and inner ring is sheathed on 23 radial outside wall of roll shaft, to
Reduce the frictional force relatively moved between roll shaft 23 and chassis 221, convenient for the axial sliding of roll shaft 23.
In conjunction with shown in Fig. 2 and Fig. 7, there are two the settings of loading arm 21 and is located at the both sides of ball screw mounting base 1, adds
The tail portion of load arm 21 offers the second through-hole 211 worn for roll shaft 23 so that loading arm 21 can slide axially along roll shaft 23,
The madial wall of second through-hole 211 offers the second screw hole 212 be connected with the lateral tail wall of loading arm 21, in the present embodiment
Two screw holes 212 are located at the tail portion of loading arm 21 far from the side on 21 head of loading arm, and screw wears the second screw hole 212 and is connected to
Roll shaft 23 is to limit the rotation of loading arm 21；The head of loading arm 21 is connected to the lead screw axial direction both ends of ball screw 5, in order to improve
The head of the lead screw bonding strength of loading arm 21 and ball screw 5, loading arm 21 axially offers third screw hole along ball screw 5
213, lead screw mandril 214 is equipped in third screw hole 213,214 radial outside wall of lead screw mandril is equipped with and third screw hole 213 coordinates
Screw thread.
As shown in figure 8, lead screw mandril 214 is provided with clamping block 2141, corresponding ball wire close to the side of ball screw 5
The lead screw axial direction both ends of bar 5 offer the card slot 51 being clamped for clamping block 2141.
In conjunction with shown in Fig. 2 and Fig. 9, do not rotated when being directed at the lead screw of ball screw 5 for the ease of loading arm 21, on roll shaft 23
Finite place piece 8 is set, and locating part 8 is preferably the positioning pin 81 being set on loading arm 21 and determines for abutting in the present embodiment
The baffle 82 of position pin 81, the preformed hole 231 worn for positioning pin 81 is offered on roll shaft 23, and preformed hole 231 runs through roll shaft
23 radial both ends, preformed hole 231 is located at the centre of roll shaft 23 in the present embodiment, and but not limited to this；Positioning pin 81 wears pre-
It boxes out and 231 and extends to the outside of preformed hole 231；Baffle 82 is set on pedestal 4,82 L-shaped setting of baffle in the present embodiment,
It is fixedly connected by screw with pedestal 4 on one side, and another side is arranged perpendicular to pedestal 4, when roll shaft 23 rotates, positioning pin 81
Extend preformed hole 231 one end be connected to baffle 82 after stop operating, to control the rotational angle of roll shaft 23, convenient for load
Arm 21 is connected with the contraposition of ball screw 5.
In conjunction with shown in Fig. 2 and Figure 10, is slided to further limit loading arm 21, several lockings are additionally provided on roll shaft 23
Nut 232, in the present embodiment, the setting of locking nut 232 there are four and be sheathed on roll shaft 23, four locking nuts 232 are distinguished
Axial both ends positioned at 21 tail portion of loading arm, locking nut 232 radially offer several 4th screw holes 2321, are worn by screw
If the 4th screw hole 2321 limits loading arm 21 and slides to limit the sliding of locking nut 232.
In conjunction with shown in Fig. 5 and Figure 11, be rotatably connected to cam 91 on two chassis 221, cam 91 be located at flange 223 with
The shape of the angle of chassis 221, cam 91 can be the shape with different length diameter such as ellipse, polygon, eccentric wheel,
So that loading head 2411 can abut when cam 91 rotates or far from roll shaft 23, in the present embodiment, cam 91 is convex at eccentric colyliform
The radial one end of wheel 91 is connected to the first load bar 241 close to the side of chassis 221；Cam 91 is rotated for the ease of operating personnel,
Cam 91 is connected with gripping member 92, and gripping member 92 is preferably second handle in the present embodiment, and cam 91 is arranged along rotary axis direction
There is cylinder 911, keyway 912 is offered on the madial wall of cylinder 911, the cylindrical setting in connecting pin of second handle simultaneously wears circle
Cylinder 911 is additionally provided with the flat key 921 being clamped with keyway 912 in the one side wall of connecting pin so that cam 91 is revolved with second handle
Turn.
In conjunction with shown in Fig. 1 and Fig. 2, measuring device 3 is set on pedestal 4 and is installed far from ball screw positioned at loading arm 21
The side of seat 1, measuring device 3 is preferably amesdial in the present embodiment, and the gauge head of amesdial is connect with a lead screw mandril 214,
To measure the axially opposing displacement occurred between lead screw and nut.
In use, rotating first handle 62 so that ball screw mounting base 1 notch 122 open, ball screw 5 is put into
In first perforation 121, the first in command 62 is reversely rotated so that notch 122 is closed so that the lateral wall of 5 nut of ball screw and rolling
Ballscrew mounting base 1 is interference fitted, and limitation nut is mobile and rotates；Loading arm 21 is rotated, so that the lead screw on 21 head of loading arm
Mandril 214 is connected to 5 lead screw axial direction both sides of ball screw, screw the screw of 21 tail portion of loading arm with limit loading arm 21 movement and
Locking nut 232, is then close to axial both sides and the fixation of 21 tail portion of loading arm by rotation；By rotary setting, there are one loads
The second handle of 25 side of block is so that loading head 2411 abuts roll shaft 23, and promotion roll shaft 23 moves axially, to push ball wire
The lead screw of bar 5 moves axially；The gauge head of amesdial is connected to a side of the lead screw mandril 214 far from ball screw 5, and will
The reading of amesdial is zeroed；By rotary setting, there are two the second handles of 25 side of loading blocks so that loading head 2411 is connected to
Roll shaft 23 pushes the axial reverse movement of roll shaft 23, to push the lead screw of ball screw 5 axially to move backward, the survey of amesdial
Head generates reading, as 5 end-play numerical value of ball screw after being stretched/compressing.
Embodiment two
Present embodiment discloses a kind of ball screw end-play test devices to be suitable in conjunction with shown in Figure 12 and Figure 13
The lead screw axial length of ball screw 5 is more than the axial length of nut, with embodiment one main difference is that ball screw is pacified
There are two the dress settings of seat 1 and is alternatively arranged, and the lead screw axial direction both sides of ball screw 5 wear the first perforation 121 and fix, with limitation
The lead screw of ball screw 5 is mobile and rotates.
Lead screw mandril 214 is provided with several protrusions coordinated with the nut of ball screw 5 close to the side of ball screw 5
2142, protrusion 2142 circumferentially arranges, and there are three the settings of the present embodiment protrusions 2142 and is placed equidistant with, and protrusion 2142 wears rolling
The nut of ball screw 5 is connected to after ballscrew mounting base 1 to limit the nut rotation of ball screw 5, to be filled by loading
The nut axial movement of 2 drive ball screws 5 is set, so that the nut shaft (as shown in Figure 1) for measuring ball screw 5 of measuring device 3
To amount of movement.
The explanation of above example is only intended to facilitating the understanding of the method and its core concept of the invention, for this field
Those skilled in the art, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. a kind of ball screw end-play test device, it is characterised in that：Including
Ball screw mounting base (1), nut or lead screw for fixing ball screw (5)；
Loading device (2) is connected to lead screw or the nut of the ball screw (5) to limit the lead screw of the ball screw (5)
Or nut rotation, and drive lead screw or the nut axial movement of the ball screw (5)；
Measuring device (3) drives the lead screw of the ball screw (5) or nut axial for measuring the loading device (2)
Amount of movement.
2. ball screw end-play test device according to claim 1, it is characterised in that：The loading device (2)
Including
Loading arm (21), lead screw or nut for abutting the ball screw (5)；
Drive component, for driving the loading arm (21) to move axially, to drive the lead screw or spiral shell of the ball screw (5)
Mother's axial movement.
3. ball screw end-play test device according to claim 2, it is characterised in that：The driving component includes
Holder (22), along there are two the settings of the ball screw (5) axially spaced-apart；
Roll shaft (23) is located between two holders (22) and wears two holders (22), and the loading arm (21) sets
It is placed on the roll shaft (23) and is slidably connected with the roll shaft (23)；
Loaded member (24), is each provided with one on two holders (22), including the first load bar (241) and with described first
Load bar (241) is in the second load bar (242) of angle setting, first load bar (241) and second load bar
(242) junction is rotatablely connected with the holder (22), and it is the first load bar (241) to define close to the holder (22),
It is the second load bar (242) far from the holder (22), first load bar (241) is connected to the roll shaft (23)；
Loading blocks (25) are both provided with one or more on two second load bars (242), pass through the loaded member (24)
It converts the gravity of the loading blocks (25) to and pushes the roll shaft (23).
4. ball screw end-play test device according to claim 3, it is characterised in that：It is set on the roll shaft (23)
It is equipped with locating part (8), the locating part (8) is used to limit the amount of spin of the roll shaft (23), so that the loading arm (21) is right
The lead screw or nut of the accurate ball screw (5).
5. ball screw end-play test device according to claim 3, it is characterised in that：On the roll shaft (23) also
Several locking nuts (232) are provided with, the locking nut (232) is sheathed on the roll shaft (23) and is located at the loading arm
(21) axial both ends, to limit the loading arm (21) sliding.
6. ball screw end-play test device according to claim 3, it is characterised in that：The holder (22) and institute
It states roll shaft (23) junction and is additionally provided with linear bearing (7) to reduce the frictional force of the holder (22) and the roll shaft (23).
7. according to claim 3-6 any one of them ball screw end-play test devices, it is characterised in that：Described in two
Cam (91) is rotatably connected on holder (22), the radial one end of the cam (91) is connected to first load bar (241)
Close to the side of the holder (22), rotates the cam (91) and abutted or far from described with controlling first loading arm (21)
Roll shaft (23).
8. ball screw end-play test device according to claim 1, it is characterised in that：The ball screw installation
Seat (1) includes fixed seat (11) and the connector (12) being set in the fixed seat (11), is opened up on the connector (12)
There are the first perforation (121), first perforation (121) to be used to wear the nut or lead screw of the ball screw (5).
9. ball screw end-play test device according to claim 8, it is characterised in that：The connector (12)
Side is additionally provided with locking device (6), nut or lead screw for described first perforates (121) and the ball screw (5)
It is interference fitted, the nut or lead screw to limit the ball screw (5) are mobile and rotate.
10. ball screw end-play test device according to claim 1, it is characterised in that：Further include pedestal (4),
The ball screw mounting base (1), the loading device (2) and the measuring device (3) are fixedly installed in the pedestal (4)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800320.3A CN108709483B (en) | 2018-07-19 | 2018-07-19 | Axial play testing device of ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800320.3A CN108709483B (en) | 2018-07-19 | 2018-07-19 | Axial play testing device of ball screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709483A true CN108709483A (en) | 2018-10-26 |
| CN108709483B CN108709483B (en) | 2024-04-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810800320.3A Active CN108709483B (en) | 2018-07-19 | 2018-07-19 | Axial play testing device of ball screw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729062A (en) * | 2020-12-30 | 2021-04-30 | 慈兴集团有限公司 | Ball screw axial clearance measuring device |
| US11105604B2 (en) * | 2017-10-26 | 2021-08-31 | Nsk Ltd. | Method and apparatus of measuring axial clearance of ball screw device, and methods of manufacturing ball screw device, vehicle, and mechanical device |
| CN114459413A (en) * | 2022-02-10 | 2022-05-10 | 慈兴集团有限公司 | Lead screw comprehensive measurement method |
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| CN112729062A (en) * | 2020-12-30 | 2021-04-30 | 慈兴集团有限公司 | Ball screw axial clearance measuring device |
| CN114459413A (en) * | 2022-02-10 | 2022-05-10 | 慈兴集团有限公司 | Lead screw comprehensive measurement method |
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