CN109539937A - A kind of accurate measurement bracket - Google Patents
A kind of accurate measurement bracket Download PDFInfo
- Publication number
- CN109539937A CN109539937A CN201910091797.3A CN201910091797A CN109539937A CN 109539937 A CN109539937 A CN 109539937A CN 201910091797 A CN201910091797 A CN 201910091797A CN 109539937 A CN109539937 A CN 109539937A
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- China
- Prior art keywords
- bushing
- cantilever
- lead screw
- accurate measurement
- column
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Links
- 238000005259 measurement Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000000694 effects Effects 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 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 abstract description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Embodiment of the invention discloses a kind of accurate measurement brackets, including supporting and positioning mechanism, height regulating mechanism, angle-adjusting mechanism, measure table clamping device, supporting and positioning mechanism includes pedestal and the column that is set on the base, height regulating mechanism includes the hand wheel shaft being connected on pedestal, the lead screw being vertically arranged on pedestal, hand wheel shaft is connected with one end of lead screw by gear, sliding part is threaded on lead screw, angle-adjusting mechanism includes the first bushing being set on sliding part, the effect block being removably attachable on sliding part, effect block is slidably connected on the first bushing, first bushing is connected with lock handle, measurement table clamping device includes the cantilever for being connected to the first bushing and being connected, the dial framework being connected on cantilever, measurement table is provided on dial framework.This equipment operation is simple, and measurement accuracy is high, and practical, measurement range is big.
Description
Technical field
The present invention relates to Technology of Precision Measurement fields, and in particular to a kind of accurate measurement bracket.
Background technique
It in ultra-precision machine tool process, needs to carry out multiple high-acruracy survey in the clamping process of workpiece, protects
Demonstrate,prove the correct of its clamping position, including measure its deviation from circular from, coaxiality error etc..And existing measurement bracket be unable to satisfy it is super
The high-precision requirement of precision machine tool, is manually measured using its amesdial and dial framework and the experience for being limited to operator causes to survey
Amount result can be largely affected by the operator.
Existing measurement method is mostly that amesdial adds measurement dial framework, and this measurement method is difficult to control with dial framework, measures
The problems such as range is smaller, inconvenient for operation, without fine adjustment mechanism, so that the efficiency of the geometric tolerance of measurement workpiece reduces, from
And influence processing efficiency.
Summary of the invention
To solve the above-mentioned problems in the prior art, the present invention provides a kind of accurate measurement bracket, feature exists
In including supporting and positioning mechanism, the height regulating mechanism being arranged in the supporting and positioning mechanism, being connected to height adjustment
Angle-adjusting mechanism in mechanism, the measurement table clamping device being connected on the angle-adjusting mechanism,
The supporting and positioning mechanism includes the column of pedestal and setting on the base,
The height regulating mechanism includes connection hand wheel shaft on the base, is vertically arranged lead screw on the base,
The hand wheel shaft is connected with one end of the lead screw by gear, is threaded with sliding part on the lead screw,
The angle-adjusting mechanism includes the first bushing being set on the sliding part, is removably attachable to the sliding part
On effect block, the effect block is slidably connected on first bushing, and first bushing is connected with lock handle,
The measurement table clamping device includes being connected to the cantilever that first bushing is connected, the table being connected on the cantilever
Frame is provided with measurement table on the dial framework.
Optionally, the column has hollow structure and side wall is provided with perpendicular sliding slot, and the lead screw is arranged in the column
Interior, the sliding part passes through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Optionally, the sliding part includes the feed screw nut being threaded on the lead screw and is arranged in the lead screw spiral shell
The nut seat in female outside, the nut seat pass through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Optionally, annular groove is provided on first bushing, the nut seat includes effect block, the effect
Block passes through the perpendicular sliding slot and is slidably connected in the annular groove.
Optionally, the dial framework includes the first connecting rod being connected on the cantilever and is hinged with the first connecting rod
Second connecting rod is removably provided with measurement table on the second connecting rod.
Optionally, the cantilever includes coaxial arrangement and the first cantilever and the second cantilever that are detachably connected, and described first
Cantilever is connected with first bushing, and second cantilever is connected far from one end of first cantilever with the dial framework.
Optionally, first bearing is provided at the top of the column, the bottom of the column is provided with second bearing, described
Lead screw is spindle rotationally arranged in the first bearing and the second bearing.
Optionally, the height regulating mechanism further includes the position for being set in outside the hand wheel shaft and being located at the base top
Display clamping plate is set, is provided with position indicator at the top of the position indicator clamping plate.
Optionally, the second bushing is provided between first bushing and the column.
Optionally, the hinged place of the first connecting rod and the second connecting rod is provided with tightening knob.
The utility model has the advantages that
A kind of accurate measurement bracket provided in the embodiment of the present invention, it is ensured that during ultra-precision machine tool piece-holder
The accuracy of measurement and the convenient reliability of measurement process.The present invention may be implemented to carry out high-precision to the Form and position error of workpiece
Measure and may be implemented the auxiliary reference measurement to knife process；And this equipment operation is simple, and measurement accuracy is high, practicability
By force, measurement range is big, is suitable for ultra-precision machine tool；This equipment is by separately setting height regulating mechanism with angle-adjusting mechanism
Meter, keeps its operation more simple and reliable, and the cantilever being detachably connected is arranged, and can greatly increase its measurement range.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the embodiment of accurate measurement bracket of the present invention；
Fig. 2 is a kind of side structure schematic view of the embodiment of accurate measurement bracket of the present invention.
Wherein:
1, it goes to the bottom；2, upper cover；3, hand wheel shaft；4, column；5, nut seat；6, the first bushing；7, the second cantilever；8, the first cantilever；
9, bearing block；10, the second bushing；11, feed screw nut；12, lead screw；13, first gear；14, second gear；15, position is shown
Device clamping plate；16, position indicator；17, handwheel；18, block is acted on；19, lock handle；20, dial framework；21, table is measured.
Specific embodiment
Technical solution of the present invention is discussed in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figs. 1-2, a kind of accurate measurement bracket including supporting and positioning mechanism, is arranged in the supporting and positioning mechanism
Height regulating mechanism, is connected on the angle-adjusting mechanism angle-adjusting mechanism being connected on the height regulating mechanism
21 clamping device of measurement table,
The supporting and positioning mechanism includes the column 4 of pedestal and setting on the base,
The height regulating mechanism includes connection hand wheel shaft 3 on the base, is vertically arranged lead screw on the base
12, the hand wheel shaft 3 is connected with one end of the lead screw 12 by gear, is threaded with sliding part on the lead screw 12,
The angle-adjusting mechanism includes the first bushing 6 being set on the sliding part, is removably attachable to the sliding
Effect block 18 on part, the effect block 18 are slidably connected on first bushing 6, and first bushing 6 is connected with locking
Handle 19,
21 clamping device of measurement table includes being connected to cantilever that first bushing 6 is connected, being connected on the cantilever
Dial framework 20, be provided with measurement table 21 on the dial framework 20.
Further, the measurement table 21 is amesdial.
Further, the lead screw 12 is trapezoidal screw 12.
Further, the gear is to exempt from key spur gear.
Further, the pedestal has hollow structure, and the gear is horizontally set in the pedestal.
Further, the pedestal includes closeable upper cover 2 and bottom 1, and the upper cover 2 and the bottom 1 pass through spiral shell
It tethers and connects.
Further, the upper cover 2 is the locating piece and supporting element of whole equipment with the bottom 1, and the column 4 is the
The guide part and auxiliary supports of one bushing 6, the supporting and positioning mechanism further include that the limit of 12 upper end of lead screw is arranged in
Mechanism, including bearing block 9, end cap, retaining ring and bearing.
Further, this equipment when in use, can reserve the bottom surface an of slot and the bottom 1 on lathe, this
The assembly of the fixed position of kind is the datum coincidence so that when carrying out the measurement of workpiece geometric tolerance, so that measurement result is more reliable.
Further, the column 4 is arranged across the upper cover 2.
Further, one end that the hand wheel shaft 3 is located above the pedestal is provided with handwheel 17.
Further, the hand wheel shaft 3 is connected by screw to together with the first gear 13, the lead screw 12 and institute
Second gear 14 is stated to be connected by screw to together.
Further, the bottom of the hand wheel shaft 3 is coaxially arranged with first gear 13, and the bottom of the lead screw 12 is coaxially set
It is equipped with second gear 14, the first gear 13 and the second gear 14 are meshed, and by rotating the hand wheel shaft 3, pass through
The transmission of the first gear 13 and the second gear 14 drives the lead screw 12 to rotate, and the rotation of the lead screw 12 drives
The sliding part, the sliding part drive first bushing 6, and first bushing 6 drives the cantilever and the dial framework 20
Lifting is so far realized through rotation handwheel 17 and adjusts the height of measurement table 21.
Further, when locking the position indicator clamping plate 15 and loosening the lock handle 19, handwheel can be passed through
17 carry out the height of trace regulation dial framework 20, realize that high-precision is adjusted, when unclamping the position indicator clamping plate 15 and described simultaneously
When lock handle 19, dial framework 20 can move in stroke range on a large scale along 4 direction of column, realize that height is adjusted on a large scale
Section.
Further, when unclamping the lock handle 19, first bushing 6 and second bushing 10 not with institute
It states 4 side wall of column to fit closely, the effect block 18 is connected by screw on the feed screw nut 11, and the effect block 18 is stretched
Enter in the annular groove on first bushing 6, limits it and move up and down and the rotation of both direction, so that first bushing
6 can only be axis rotation with the lead screw 12, i.e., only with a direction freedom degree, and it is thus achieved that dial framework 20 angle
It adjusts.
Specifically, the effect block 18 can rotate in the annular groove, i.e., the described dial framework 20 can be along lead screw 12
Axle center 360 degree rotation realizes the angle adjustment of the dial framework 20.
Further, second cantilever 7 is clamped on first bushing 6 by the lock handle 19, and is passed through
Positioning pin realizes the positioning of first cantilever 8 and second cantilever 7, and the dial framework 20 directly passes through its own included lock
Tight part is connected on second cantilever 7, and the amesdial is locked on the dial framework 20.Wherein 7 conduct of the second cantilever
Detachable part can be used to increase measurement range.There are two locking knobs for the dial framework 20 itself, can freely adjust upon its release
The posture of the whole dial framework 20 has reached optimal measurement position.
Specifically, the dial framework 20 forms a three-link mechanism together with the cantilever, joint there are two its own,
The dial framework 20 can be made to go to approach measuring piece, spatial attitude with different spatial attitudes by adjusting two joints of itself
Diversity also may be implemented to measure measuring piece in tiny crack.
The column 4 has hollow structure and side wall is provided with perpendicular sliding slot, and the lead screw 12 is arranged in the column 4,
The sliding part passes through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Further, the column 4 is vertically arranged, and the column 4 is coaxially disposed with the lead screw 12.
Further, the perpendicular sliding slot is arranged along the sidewalls vertical of the column 4.
The sliding part includes the feed screw nut 11 being threaded on the lead screw 12 and is arranged in the feed screw nut
The nut seat 5 in 11 outsides, the nut seat 5 pass through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Annular groove is provided on first bushing 6, the nut seat 5 includes effect block 18, the effect block
18 pass through the perpendicular sliding slot and are slidably connected in the annular groove.
Further, the feed screw nut 11 is threadedly coupled with the lead screw 12, after the lead screw 12 rotates, the lead screw
Nut 11 realizes raising and lowering on the lead screw 12, and the nut seat 5 is fixedly connected on the outside of the feed screw nut 11
Wall, the effect block 18 on the nut seat 5 is pierced by the column 4 by perpendicular sliding slot, and gos deep into the ring of first bushing 6
In connected in star, first bushing 6 is driven to rise or fall.
Specifically, the effect block 18 is the part that the nut seat 5 passes through the perpendicular sliding slot.
The dial framework 20 includes the first connecting rod being connected on the cantilever and be hinged with the first connecting rod second
Connecting rod is removably provided with measurement table 21 on the second connecting rod.
The cantilever includes the first cantilever 8 and the second cantilever 7 for being coaxially disposed and being detachably connected, first cantilever 8
It is connected with first bushing 6, the one end of second cantilever 7 far from first cantilever 8 is connected with the dial framework 20.
Further, the first connecting rod is connected with second cantilever 7 by oscillating bearing.
Further, first cantilever 8 is connected with second cantilever 7 by bolt.
The top of the column 4 is provided with first bearing, and the bottom of the column 4 is provided with second bearing, the lead screw
12 are spindle rotationally arranged in the first bearing and the second bearing.
Further, the first bearing, the second bearing and the lead screw 12 are coaxially disposed.
The height regulating mechanism further includes being set in outside the hand wheel shaft 3 and showing positioned at the position of the base top
The top of device clamping plate 15, the position indicator clamping plate 15 is provided with position indicator 16.
Further, the position indicator 16 is digital displacement sensor, be can measure by the position indicator 16
The vertical displacement amount of the hand wheel shaft.
Further, the position indicator 16 includes display, can directly display out the vertical displacement of the hand wheel shaft
Amount.
Further, for each revolution, position indicator 16 shows the height of the cantilever and the dial framework 20 to rotating handle
Ascending amount is spent, the ascending amount is identical with the lead of the lead screw 12.
The second bushing 10 is provided between first bushing 6 and the column 4.
The hinged place of the first connecting rod and the second connecting rod is provided with locking knob.
A kind of accurate measurement bracket provided in the embodiment of the present invention, it is ensured that ultra-precision machine tool piece-holder process
In measurement accuracy and measurement process convenient reliability.The present invention may be implemented to carry out the Form and position error of workpiece high
It precision measure and may be implemented to the measurement of the auxiliary reference of knife process；And this equipment operation is simple, and measurement accuracy is high, practical
Property it is strong, measurement range is big, be suitable for ultra-precision machine tool；This equipment is by separately setting height regulating mechanism with angle-adjusting mechanism
Meter, keeps its operation more simple and reliable, and the cantilever being detachably connected is arranged, and can greatly increase its measurement range.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of accurate measurement bracket, which is characterized in that including supporting and positioning mechanism, be arranged in the supporting and positioning mechanism
Height regulating mechanism, is connected on the angle-adjusting mechanism angle-adjusting mechanism being connected on the height regulating mechanism
Measurement table clamping device,
The supporting and positioning mechanism includes the column of pedestal and setting on the base,
The height regulating mechanism includes connection hand wheel shaft on the base, is vertically arranged lead screw on the base,
The hand wheel shaft is connected with one end of the lead screw by gear, is threaded with sliding part on the lead screw,
The angle-adjusting mechanism includes the first bushing being set on the sliding part, is removably attachable to the sliding part
On effect block, the effect block is slidably connected on first bushing, and first bushing is connected with lock handle,
The measurement table clamping device includes being connected to the cantilever that first bushing is connected, the table being connected on the cantilever
Frame is provided with measurement table on the dial framework.
2. a kind of accurate measurement bracket according to claim 1, which is characterized in that the column has hollow structure and side
Wall is provided with perpendicular sliding slot, and the lead screw is arranged in the column, and the sliding part passes through the perpendicular sliding slot and can be described perpendicular
Sliding in sliding slot.
3. a kind of accurate measurement bracket according to claim 2, which is characterized in that the sliding part includes being threaded in
Feed screw nut on the lead screw and the nut seat being arranged on the outside of the feed screw nut, the nut seat is across the perpendicular sliding slot
And it can be slided in the perpendicular sliding slot.
4. a kind of accurate measurement bracket according to claim 1, which is characterized in that be provided with annular on first bushing
Groove, the nut seat include effect block, and the effect block is across the perpendicular sliding slot and to be slidably connected at the annular recessed
In slot.
5. a kind of accurate measurement bracket according to claim 1, which is characterized in that the dial framework includes being connected to described hang
First connecting rod on arm and the second connecting rod being hinged with the first connecting rod are removably provided with survey on the second connecting rod
Scale.
6. a kind of accurate measurement bracket according to claim 1, which is characterized in that the cantilever includes coaxial arrangement and can
The first cantilever and the second cantilever of dismantling connection, first cantilever are connected with first bushing, and second cantilever is remote
One end from first cantilever is connected with the dial framework.
7. a kind of accurate measurement bracket according to claim 1, which is characterized in that be provided with first at the top of the column
Bearing, the bottom of the column are provided with second bearing, and the lead screw is spindle rotationally arranged in the first bearing and described
In two bearings.
8. a kind of accurate measurement bracket according to claim 1, which is characterized in that the height regulating mechanism further includes set
It is located at outside the hand wheel shaft and is located at the position indicator clamping plate of the base top, is set at the top of the position indicator clamping plate
It is equipped with position indicator.
9. a kind of accurate measurement bracket according to claim 1, which is characterized in that first bushing and the column it
Between be provided with the second bushing.
10. a kind of accurate measurement bracket according to claim 5, which is characterized in that the first connecting rod and described second
The hinged place of connecting rod is provided with tightening knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091797.3A CN109539937B (en) | 2019-01-30 | 2019-01-30 | Accurate measurement support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091797.3A CN109539937B (en) | 2019-01-30 | 2019-01-30 | Accurate measurement support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109539937A true CN109539937A (en) | 2019-03-29 |
| CN109539937B CN109539937B (en) | 2024-01-09 |
Family
ID=65838689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091797.3A Active CN109539937B (en) | 2019-01-30 | 2019-01-30 | Accurate measurement support |
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| CN (1) | CN109539937B (en) |
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| CN110224227A (en) * | 2019-07-08 | 2019-09-10 | 上海机动车检测认证技术研究中心有限公司 | A kind of detection tool device |
| CN111421486A (en) * | 2020-05-19 | 2020-07-17 | 江门市大长江集团有限公司 | Universal positioning tool |
| CN115451788A (en) * | 2022-09-06 | 2022-12-09 | 中国科学院光电技术研究所 | Online detection tool and detection method for large optical platform |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109539937B (en) | 2024-01-09 |
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