CN109443181A - Axle clamp holds measuring device - Google Patents
Axle clamp holds measuring device Download PDFInfo
- Publication number
- CN109443181A CN109443181A CN201811494025.6A CN201811494025A CN109443181A CN 109443181 A CN109443181 A CN 109443181A CN 201811494025 A CN201811494025 A CN 201811494025A CN 109443181 A CN109443181 A CN 109443181A
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- China
- Prior art keywords
- mounting plate
- hole
- inner hole
- measuring device
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Abstract
The invention discloses a kind of axle clamps to hold measuring device, it the inner hole of rotor front end is set and is rotated together with rotor to measure the concentricity of casing and rotor for being held on, the front end of inner hole is in gradually-reducing shape, clamping measuring device includes mounting plate, the strut extended towards its first side is connected on mounting plate, the free end of strut is fixedly connected with the measurement table for measuring casing degree of being coaxial with the rotor；The cramping body extended towards second side opposite with the first side is also connected on mounting plate, cramping body along inner hole radial direction activity exhibition for opening to be clamped and fastened on the hole wall of inner hole and active contractile to be detached from hole wall.Axle clamp of the invention is held measuring device and with rotor while can be rotated, and the movement relation of rotor, while conjunction measuring table can be securely passed out under the assembly rotation environment of engine, realizes the coaxality measurement of casing and rotor, and the configuration of the present invention is simple, easy to operate.
Description
Technical field
The present invention relates to aero-engine alignment measurement fields, particularly, are related to a kind of axle clamp and hold measuring device.
Background technique
Fig. 1 is the simple schematic diagram of engine part, and part is the rotor 1 of rotation, remaining exterior section is to start
The casing 2 of machine, casing 2 are static components, and rotor 1 is positioned on casing 2 by bearing a, b, to guarantee that rotor 1 assembles
It does not glance off afterwards, it is necessary to carry out the concentricity inspection of rotor 1 Yu casing 2.
A part of casing 2 is illustrated that in rectangular wire frame in Fig. 1, the individual design of part of casing 2 as shown in Fig. 2,
The positioning position of bearing a is exactly circular hole, that is, concentricity inspection position in left side in head, that is, Fig. 2 at I in Fig. 2.Rotor 1
It is a complicated combined member, design of part-fan disk 10 of the wherein left end of rotor 1 is shown in Fig. 3.The comprehensive assembly of engine
Afterwards, 1 other parts of rotor have been wrapped in closed casing 2, and the left end external collar of fan disk 10 is located in casing by bearing a
In 2, only head exposed portion structure needs in the structure of exposing design tool by the rotary motion body of entire rotor 1
Reveal and.
Summary of the invention
The present invention provides a kind of axle clamps to hold measuring device, to be held on the inner hole of rotor front end and rotate together with rotor
Realize the measurement of the concentricity of casing and rotor.
The technical solution adopted by the invention is as follows:
A kind of axle clamp holds measuring device, the inner hole of rotor front end is arranged in and is rotated together with rotor to survey for being held on
The concentricity of casing and rotor is measured, the front end of inner hole is in gradually-reducing shape, and clamping measuring device includes mounting plate, is connected on mounting plate
The strut extended towards its first side, the free end of strut is fixedly connected with the measurement table for measuring casing degree of being coaxial with the rotor；
The cramping body extended towards second side opposite with the first side is also connected on mounting plate, cramping body is used for along inner hole radial direction activity exhibition
It opens to be clamped and fastened on the hole wall of inner hole and active contractile to be detached from hole wall.
Further, first through hole is offered on mounting plate；Cramping body includes being intersected by shaft two of connection
Stick, two sticks are respectively provided with across first through hole and are located at the connection end of the first side of mounting plate and are located at mounting plate
Second side to protrude into the clamping end in inner hole, be provided between two connection ends for strutting the two so that two
The elastomer that clamping end is diametrically unfolded along inner hole or relative constriction is drawn close.
Further, two connection ends surface facing each other is recessed with locating slot, and the both ends of elastomer are installed with respectively
In in two locating slots.
Further, it is further recessed with the threaded hole that aperture is less than locating slot from least one locating slot, in threaded hole
It is installed with positioning screw；Elastomer is the helical spring being sheathed in positioning screw, and the both ends of helical spring are connected to two respectively
The bottom wall of a locating slot.
Further, the side of face mounting plate is equipped with the abutting part radially extended along inner hole on clamping end, abuts
Portion is used to support on the step formed at tapered region in inner hole to form the chucking power along inner hole axial direction to inner hole.
Further, on clamping end far from mounting plate side and close to hole wall position be equipped with for guiding clamping end
Portion enters the guidance part of inner hole.
Further, second side of mounting plate is additionally provided with backing plate between mounting plate and clamping end, opens on backing plate
Equipped with the second through-hole passed through for stick activity, the outer diameter of backing plate is greater than the end face outer diameter of inner hole；In connection end on mounting plate
Side run through and be equipped with screw hole, be provided with the reinforcing screw being packed into from the first side of mounting plate in screw hole, reinforcing screw is towards installation
Backing plate is suppressed when second side of plate is tightened pushes against it axially to the end face of inner hole along inner hole, and backing plate cooperates abutting part to inner hole
Front end gradually-reducing shape position grip along axial.
Further, the first side of mounting plate is connected with supporting plate, and supporting plate is threadedly coupled with strut.
Further, supporting plate includes the base portion being connected by screw to mounting plate and extends from base portion towards the first side
Fixed part, offer fixing groove on fixed part, the inner peripheral surface of fixing groove is provided with screw thread, screw tip of the fixing groove for strut
It is packed into.
Further, base portion is staggered with the position for connecting end, and one end of fixed part towards mounting plate is recessed with and is used for
Evacuation elastomer and the bit space that allows for connecting end.
The invention has the following advantages:
Axle clamp of the invention hold measuring device use opened along inner hole radial direction activity exhibition be clamped and fastened on the hole wall of inner hole, with
And active contractile realizes the steady contact with rotor front end inner hole, this hair to be detached from the cramping body of hole wall with such mechanical system
Bright device can rotate simultaneously with rotor, and the movement relation of rotor can be securely passed out under the assembly rotation environment of engine,
Conjunction measuring table simultaneously realizes the coaxality measurement of casing and rotor, and the configuration of the present invention is simple, easy to operate.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of engine partial structurtes；
Fig. 2 is the design of part schematic diagram of casing；
Fig. 3 is the structural schematic diagram of fan disk；
Fig. 4 is that the axle clamp of the preferred embodiment of the present invention holds the schematic perspective view of measuring device；
Fig. 5 is the structural schematic diagram of mounting plate；
Fig. 6 is the structural schematic diagram of supporting plate；
Fig. 7 is the cross-sectional view and its partial enlarged view of structure in Fig. 4；
Fig. 8 is the side view of structure in Fig. 4；
Fig. 9 is that axle clamp of the invention holds schematic diagram when measuring device is clamped and fastened in inner hole；
Figure 10 is the schematic diagram for the use state that axle clamp of the invention holds measuring device.
Drawing reference numeral explanation:
1, rotor；10, fan disk；11, inner hole；12, step；13, end face；2, casing；A, bearing；B, bearing；
3, mounting plate；30, first through hole；31, the first screw hole；32, the second screw hole；
4, strut；
5, table is measured；
6, cramping body；60, shaft；61, stick；62, end is connected；620, locating slot；621, positioning screw；63, it clamps
End；630, abutting part；631, guidance part；64, elastomer；65, washer；
7, backing plate；70, the second through-hole；
8, screw is reinforced；
9, supporting plate；90, base portion；91, fixed part；910, fixing groove；911, bit space is allowed；92, the first screw.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
If Fig. 1 is into Fig. 3, after engine assembly, left end is revealed in 10 front end of fan disk (that is, head) i.e. Fig. 3 of rotor 1
Out outside casing 2.The front end of the inner hole 11 of fan disk 10 is in gradually-reducing shape, and left side is the end face 13 of inner hole 11, internal tapered region
It is formed with a step 12.The measurement environment of engine assembly process is special, and axle clamp of the invention holds measuring tool structure letter
Single practical and convenient measurement that casing 2 Yu 1 concentricity of rotor can be realized avoids that it is existing to be particularly suitable for assembly using expensive equipment
The use of field, operability and accuracy are high, and the present invention solves the measurement problem under similar assembled condition, have filled up such specially
With the blank of tooling.
Referring to Fig. 4, the preferred embodiment of the present invention provides a kind of axle clamp and holds measuring device, before being held on rotor 1
The inner hole 11 at end is simultaneously rotated with rotor 1 to measure the concentricity of casing 2 Yu rotor 1 together.
Such as Fig. 4 to Fig. 8, clamping measuring device of the invention includes mounting plate 3, is connected on mounting plate 3 towards its first side
The strut 4 that (upside in such as Fig. 4) extends, the free end of strut 4 is fixedly connected with for measuring casing 2 and 1 concentricity of rotor
Measurement table 5；The cramping body extended towards second side (downside in such as Fig. 4) opposite with the first side is also connected on mounting plate 3
6, cramping body 6 is used for along the radially movable expansion of inner hole 11 to be clamped and fastened on hole wall and the active contractile of inner hole 11 to be detached from
Hole wall.
Axle clamp of the invention holds measuring device and uses the hole for being clamped and fastened on inner hole 11 along the radially movable expansion of inner hole 11
Wall and active contractile realize the stabilization with 1 front end inner hole 11 of rotor to be detached from the cramping body 6 of hole wall with such mechanical system
Contact, the device of the invention can rotate simultaneously with rotor 1, can securely pass out rotor 1 in the case where the assembly of engine rotates environment
Movement relation, while conjunction measuring table 5 realizes the coaxality measurement of casing 2 and rotor 1, and the configuration of the present invention is simple, operates
It is convenient.
As shown in Fig. 4,5 and Fig. 7, the generally rectangular plate of mounting plate 3, both ends of them are arc-shaped.3 conduct of mounting plate
The working foundation face of strut 4 and cramping body 6.First through hole 30 is offered on mounting plate 3, for passing through and fixing for cramping body 6.
In this preferred embodiment, the centre of mounting plate 3 offers the first through hole 30 of a wide 16mm.First through hole 30 is square along its length
To two sides offer perforative two groups of screw holes respectively.Including being symmetrically disposed on totally four of 30 two sides of first through hole two-by-two
First screw hole 31, for being connected and fixed with the supporting plate 9 installed for strut 4 by the first screw 92.It additionally includes arranged symmetrically
Four the second screw holes 32 in 30 two sides of first through hole are packed into for reinforcing screw 8.Wherein two the second screw holes 32 of every side
Positioned at the outside of two the first screw holes 31, to make full use of 3 space of mounting plate.Four the second screw holes 32 are also arranged symmetrically
The two sides of one through-hole 30.
Referring to Fig. 4, Fig. 7 to Fig. 9, cramping body 6 includes two sticks 61, and two sticks 61 pass through 60 company of intersecting of shaft
It connects, whole is substantially in X-type.Two sticks 61 are respectively provided with across first through hole 30 and are located at the i.e. upside in 3 first side of mounting plate
Connect end 62 and second side i.e. clamping end 63 of the downside to protrude into inner hole 11 positioned at mounting plate 3.Two connecting pins
It is provided between portion 62 for strutting the two so that two clamping ends 63 are diametrically unfolded or opposite along inner hole 11
Shrink the elastomer 64 drawn close.By the way that elastomer 64 is arranged at connection end 62, acted on using the elastic force of elastomer 64
Realize to the expansion of clamping end 63 and shrink actuation, convenient for clamping end 63 to 11 inner wall of inner hole carry out clamping position and into
Enter or exit inner hole 11.The outer end diameter of 60 one end of shaft is greater than the aperture of 61 upper installing hole of stick, and shaft 60 passes through two items
It is arranged with washer 65 in the other end after block 61, and rivet deformation is carried out to the other end, the rotation that two sticks 61 can be realized connects
It connects, two sticks 61 is freely rotated and without big play gap.By shaft 60 group will be carried out in the middle part of two sticks 61
Connection is closed, two sticks 61 can be facilitated 60 to be rotated around the shaft, realizes the expansion and contraction of cramping body 6.
Further, in this preferred embodiment, two connection ends 62 pass through first through hole 30 and are located at table on mounting plate 3
Face, and connect end 62 and protruded outward along the length direction of first through hole 30, so that connection end 62 can be connected to 3 liang of mounting plate
The upper surface at end and be not easy from first through hole 30 deviate from.Two connection ends 62 surface facing each other is recessed with locating slot
620, the both ends of elastomer 64 are located in respectively in two locating slots 620.By recessed on the connection surface facing each other of end 62
Locating slot 620 accommodates elastomer 64 so that elastomer 64 put securely, stablize it is not easily to fall off, to ensure that it is real to cramping body 6
Existing good expansion and contraction.
Further, the threaded hole that aperture is less than locating slot 620, spiral shell are further recessed with from least one locating slot 620
Positioning screw 621 is installed in pit.Elastomer 64 is preferably the helical spring being sheathed in positioning screw 621, helical spring
Both ends be connected to the bottom walls of two locating slots 620 respectively.It can clearly be learnt referring to Fig. 7, signified " bottom wall " is each positioning herein
Slot 620 along its recessed direction end wall, rather than in figure up and down direction lower part.In this preferred embodiment, in each locating slot 620
It is inside provided with threaded hole, and correspondence is installed with positioning screw 621 respectively.This preferred embodiment uses helical spring, structure letter
It is single, and elastic actuation is reliable and stable, and further installs positioning screw 621 in locating slot 620 and be set in helical spring, it can
Positioning and guiding role are risen to helical spring, guarantee that its compressed direction is the line direction between two connection ends 62.
In other embodiments, elastic rubber, elastic metallic with favorable elasticity deformation and restorability can also be used in elastomer 64
Deng the shape of elastomer 64 can also be different, as long as its both ends by the support expansion of two connection ends 62 and can be shunk to realize
The expansion and contraction of clamping end 63.
Further, the side of face mounting plate 3 is equipped with the abutting part radially extended along inner hole 11 on clamping end 63
630, abutting part 630 is used to support on the step 12 formed at tapered region in inner hole 11 to form inner hole 11 along inner hole 11
Axial resist force.It, can be internal by the way that the upside of clamping end 63 is arranged to flat abutting part 630 in the present invention
The step 12 in hole 11 is supported.
Further, on clamping end 63 far from mounting plate 3 side and close to hole wall position be equipped be used for guide clip
Hold the guidance part 631 that end 63 enters inner hole 11.Guidance part 631 can be the circular arc that 63 corresponding position of clamping end is arranged in
Face, inclined-plane, shiny surface etc..In the present invention, the setting of guidance part 631 can facilitate clamping end 63 to be squeezed into inner hole 11 automatically, nothing
External force need in addition be increased.
Further, the downside of mounting plate 3 is additionally provided with backing plate 7, backing plate 7 between mounting plate 3 and clamping end 63
On offer the second through-hole 70 passed through for 61 activity of stick, the outer diameter of backing plate 7 is greater than 13 outer diameter of end face of inner hole 11.Second is logical
The position in hole 70 is corresponding with 30 position of first through hole on mounting plate 3.Further, in 30 two sides of first through hole on mounting plate 3
The reinforcing screw 8 being packed into from the upside of mounting plate 3, position after reinforcing screw 8 is installed are provided in the second screw hole 32 of setting
Side in connection end 62.Compacting backing plate 7 supports it axially along inner hole 11 when the downside of reinforcing screw 8 towards mounting plate 3 is tightened
Tightly to the end face of inner hole 11 13, backing plate 7 cooperates abutting part 630 to carry out along axial clamping the front end gradually-reducing shape position of inner hole 11
It is fixed, it is specific as shown in Figure 9.Axle clamp of the invention holds measuring device, only need to be in the inner hole 11 of the entrance fan disk 10 of cramping body 6
Afterwards, apply press power at the end face of fan disk 10 13 by reinforcing screw 8, so that it may keep clamping end 63 and inner hole 11
The state that hole wall and step 12 are contacted and fixed simultaneously, so that the inner hole 11 and step 12 of itself and rotor 1 be made to be steadily contacted.
The design of backing plate 7 can protect end face 13, and the inconvenience for preventing reinforcing 8 strength of screw to be directly applied to end face 13 and end face 13 are directly
It is damaged by the power for reinforcing screw 8.Four the second screw holes 32 and four reinforcing screws 8 are arranged symmetrically certifiable 13 stress of end face
Uniformly.
Further, the first side of mounting plate 3 is that supporting plate 9 is connected with such as the upside in Fig. 4, and supporting plate 9 and 4 screw thread of strut connect
It connects.The present invention is threadedly coupled using supporting plate 9 with strut 4, and convenient for assembly and disassembly is conveniently replaceable different length strut 4 to adapt to
Size requirements, and it is easy to operate.
In conjunction with Fig. 6, supporting plate 9 includes the base portion 90 being connected on mounting plate 3 by the first screw 92 and from 90 court of base portion
The fixed part 91 that first side extends offers fixing groove 910 on fixed part 91.The inner peripheral surface of fixing groove 910 is provided with screw thread, Gu
The screw tip for determining slot 910 for strut 4 is packed into.In the present invention, whole supporting plate 9 is substantially in several fonts, and two base portions 90 are with respect to cloth
Above mounting plate 3 and it is located at the two sides of first through hole 30 along its length, two base portions 90 and two group first screw hole 31
Correspondence is set, and corresponding first screw hole 31 is also equipped with same amount of screw hole on base portion 90.Base portion 90 is connected by the first screw 92
It connects and is fixed on mounting plate 3.Fixed part 91 is upwardly extended between two base portions 90, the upper end of fixed part 91 is recessed with downwards solid
Determine slot 910, the thread head mating connection of fixing groove 910 and 4 lower end of strut.4 upper end of strut is connected and fixed by table folder screw
There is measurement table 5.
Further, base portion 90 is staggered with the position for connecting end 62, and one end of fixed part 91 towards mounting plate 3 is recessed
Have for avoiding elastomer 64 and connect end 62 allows bit space 911.This arrangement more compact structure, 91 lower end of fixed part
Allow bit space 911 can avoid elastomer 64 and connection end 62, can ensure that the reliable elasticity actuation of elastomer 64 so that
Connection end 62 realizes that opposite expansion and relative constriction are drawn close, to realize the clamping function of cramping body 6.
It is as follows that axle clamp of the invention holds measuring device its application method:
Illustrate with reference to Fig. 9 and Figure 10, when 6 the lowermost guidance part 631 of cramping body is squeezed into the inner hole 11 of fan disk 10,
Cramping body 6 60 will be rotated to middle shrinkage around the shaft, complete to enter process；
Then two sticks 61 of X-type structure are unfolded under the elastic reset effect of upper end elastomer 64,61 lower end of stick
The lateral surface of clamping end 63 contacted with the hole wall of inner hole 11；
Upward entirety lifts axle clamp and holds measuring device, makes the abutting part 630 of 63 upside of clamping end and the step of inner hole 11
12 contacts；
Four reinforcing screws 8 are screwed across mounting plate 3, compressing backing plate 7 generates movement axially downwardly, guarantee backing plate 7 with
The end face 13 of fan disk 10 contacts, and inner hole 11 is clamped in the lower end surface 13 of the abutting part 630 and backing plate 7 that make 63 upside of clamping end
Step 12 and end face 13 are fixed on the fan disk 10 of rotor 1 so that axle clamp be made to hold measuring device；
One general measurement table 5 is installed in the aperture of 4 upper end of strut, measures the contact of table 5 to the circle of casing 2
On the surface in hole (such as Fig. 2)；
Axle clamp holds measuring device and carries out whole circle rotation under the positioning of bearing several times in company with 1 component of rotor, measures the touching of table 5
Head reads the variable quantity of bounce in 2 circular hole of casing, reaches the concentricity inspection to rotor 1 and casing 2 and acts on, is such as unsatisfactory for rotor
Deflection required precision after 1 assembly, it is necessary to which carry out rotor 1 and casing 2 ressembles adjustment, until qualification.
In the description of the present invention, it is to be understood that, the orientation of the instructions such as term " on ", "lower", "horizontal", "vertical"
Or positional relationship is direction based on the figure or positional relationship, is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element are necessary for specified orientation, are constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of axle clamp holds measuring device, for be held on setting the inner hole (11) of rotor (1) front end and with rotor (1) together
It rotates to measure the concentricity of casing (2) Yu rotor (1), the front end of the inner hole (11) is in gradually-reducing shape, which is characterized in that
The clamping measuring device includes mounting plate (3), and the strut extended towards its first side is connected on the mounting plate (3)
(4), the free end of the strut (4) is fixedly connected with the measurement table (5) for measuring casing (2) Yu rotor (1) concentricity；
The cramping body (6) extended towards second side opposite with first side, the clamping are also connected on the mounting plate (3)
Body (6) is used to receive along the radially movable expansion of the inner hole (11) with the hole wall for being clamped and fastened on the inner hole (11) and activity
Contracting is to be detached from the hole wall.
2. axle clamp according to claim 1 holds measuring device, which is characterized in that
First through hole (30) are offered on the mounting plate (3)；
The cramping body (6) includes two sticks (61) of connection of being intersected by shaft (60), and two sticks (61) are respectively
With across the first through hole (30) and positioned at the connection end (62) of (3) first side of mounting plate and positioned at described
Clamping end (63) of the second side of mounting plate (3) to protrude into the inner hole (11) is arranged between two connection ends (62)
Have for strutting the two so that two clamping ends (63) are diametrically unfolded along the inner hole (11) or relative constriction
The elastomer (64) drawn close.
3. axle clamp according to claim 2 holds measuring device, which is characterized in that
Two connection end (62) surfaces facing each other are recessed with locating slot (620), the both ends of the elastomer (64)
It is located in two locating slots (620) respectively.
4. axle clamp according to claim 3 holds measuring device, which is characterized in that
It is further recessed with the threaded hole that aperture is less than the locating slot (620) from locating slot described at least one (620), it is described
Positioning screw (621) are installed in threaded hole；
The elastomer (64) is the helical spring being sheathed on the positioning screw (621), and the both ends of helical spring are supported respectively
It is connected to the bottom wall of two locating slots (620).
5. axle clamp according to claim 2 holds measuring device, which is characterized in that
On the clamping end (63) side of mounting plate (3) described in face be equipped with along the inner hole (11) radially extend support
Socket part (630), the abutting part (630) are used to support on the step formed at tapered region in the inner hole (11) with internal
Hole (11) forms the chucking power along inner hole (11) axial direction.
6. axle clamp according to claim 2 holds measuring device, which is characterized in that
The position of side and the close hole wall on the clamping end (63) far from the mounting plate (3) is equipped with for guiding
The clamping end (63) enters the guidance part (631) of the inner hole (11).
7. axle clamp according to claim 5 holds measuring device, which is characterized in that
Second side of the mounting plate (3) is additionally provided with backing plate between the mounting plate (3) and the clamping end (63)
(7), the second through-hole (70) passed through for the stick (61) activity, the outer diameter of the backing plate (7) are offered on the backing plate (7)
Greater than the end face outer diameter of the inner hole (11)；
Side on the mounting plate (3) in connection end (62), which runs through, is equipped with screw hole, is provided in the screw hole from institute
The reinforcing screw (8) that the first side of mounting plate (3) is packed into is stated, second side of reinforcing screw (8) towards the mounting plate (3) is twisted
The backing plate (7) is suppressed when tight pushes against it axially along inner hole (11) to the end face of the inner hole (11), backing plate (7) cooperation
The abutting part (630) grip along axial to the front end gradually-reducing shape position of inner hole (11).
8. axle clamp according to claim 2 holds measuring device, which is characterized in that
First side of the mounting plate (3) is connected with supporting plate (9), and the supporting plate (9) is threadedly coupled with the strut (4).
9. axle clamp according to claim 8 holds measuring device, which is characterized in that
The supporting plate (9) includes being connected by screw to the base portion (90) on the mounting plate (3) and from the base portion (90)
Towards the fixed part (91) of the first side extension, offered fixing groove (910) on the fixed part (91), the fixing groove (910)
Inner peripheral surface is provided with screw thread, and the fixing groove (910) is packed into for the screw tip of the strut (4).
10. axle clamp according to claim 9 holds measuring device, which is characterized in that
The position of the base portion (90) and connection end (62) is staggered, and the fixed part (91) is towards the mounting plate
(3) one end is recessed with for avoiding the elastomer (64) and connection the allowing of end (62) bit space (911).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494025.6A CN109443181B (en) | 2018-12-07 | 2018-12-07 | Shaft clamping measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494025.6A CN109443181B (en) | 2018-12-07 | 2018-12-07 | Shaft clamping measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109443181A true CN109443181A (en) | 2019-03-08 |
| CN109443181B CN109443181B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811494025.6A Active CN109443181B (en) | 2018-12-07 | 2018-12-07 | Shaft clamping measuring device |
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| CN (1) | CN109443181B (en) |
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| CN109443181B (en) | 2020-12-25 |
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