CN109489524A - Low-modulus worm cylindrical measurement is away from the quick detection device of deviation - Google Patents
Low-modulus worm cylindrical measurement is away from the quick detection device of deviation Download PDFInfo
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- CN109489524A CN109489524A CN201811635328.5A CN201811635328A CN109489524A CN 109489524 A CN109489524 A CN 109489524A CN 201811635328 A CN201811635328 A CN 201811635328A CN 109489524 A CN109489524 A CN 109489524A
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- 238000005259 measurement Methods 0.000 title claims abstract description 194
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 8
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
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- 241000237858 Gastropoda Species 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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Abstract
The invention discloses low-modulus worm cylindrical measurements away from the quick detection device of deviation, including three measurement needles, it further include positioning table, positioning column and measurement table, the positioning table includes the side plate and bottom plate that two plate faces are oppositely arranged, two side plate bottoms fixed, three on bottom plate connects U-shaped structure, two measurement needles are set between two side plates, and the both ends of two measurement needles are fixed on corresponding side plate, and two measurement needles are in the same plane；Fixation measuring table on the positioning column, another measurement needle is arranged in the measuring rod lower end of measurement table, and the projection of another measurement needle in the vertical direction is located between two measurement needles, another measurement needle is located at the top of above-mentioned two measurement needles, and three measurement needles are adapted for measurement worm thread central diameter.It is the configuration of the present invention is simple, easy to operate, it is convenient that worm screw is quickly positioned, measure operation, conducive to raising measurement efficiency and accuracy.
Description
Technical field
The present invention relates to component of machine processing technique fields, and in particular to a kind of low-modulus worm cylindrical measurement is away from deviation
Quick detection device.
Background technique
Three-ball method measurement worm thread central diameter early has application, but previous mensuration, only with three independent measurement needles
It is stuck on worm thread groove, blocks measurement needle with micrometer (common normal micrometer) and measure.Manual hand manipulation, measurement
Needle is independent of one another with worm screw, it is difficult to and three needles are fastened in the thread groove on worm screw and are surveyed, easy band is come in measurement error,
Even mistake measurement, detection efficiency are very low.
Summary of the invention
The technical problems to be solved by the present invention are: during traditional three-needle measuring, manual hand manipulation, detection efficiency
It is low, it is easy there are detection error, the present invention provides the low-modulus worm cylindrical measurements to solve the above problems quickly to examine away from deviation
Measurement equipment.
The present invention is achieved through the following technical solutions:
Low-modulus worm cylindrical measurement further includes positioning table, positioning away from the quick detection device of deviation, including three measurement needles
Column and measurement table, the positioning table include the side plate and bottom plate that two plate faces are oppositely arranged, and two side plate bottoms are solid on bottom plate
Fixed, three connects U-shaped structure, and two measurement needles are arranged between two side plates, and the both ends of two measurement needles are fixed on correspondence
Side plate on, two measurement needles are in the same plane；The measuring rod lower end of fixation measuring table on the positioning column, measurement table is set
Another measurement needle is set, and the projection of another measurement needle in the vertical direction is located between two measurement needles, another measurement
Needle is located at the top of above-mentioned two measurement needles, and three measurement needles are adapted for measurement worm thread central diameter.
The present invention, which is arranged, fixes the wherein positioning column of two positioning tables for measuring needle and fixation measuring table, by third root
Measure the measuring rod lower end that needle is set to measurement table；Two measurement needles are generally arranged in parallel, for below horizontal worm screw
Two thread grooves be embedded in adaptation, and two gaugers can provide two o'clock supporting force for worm screw and consolidate to worm screw
It is fixed, under third root needle is located above horizontal worm screw, is adapted to the insertion of one of thread groove, and third root measurement needle is located at
Between two measurement needles of side, three measurement needle structures triangular in shape are fixedly clamped, percentage can be used in measurement table conducive to by worm screw
Table or amesdial；When not detecting, the distance between plane is less than snail to be detected where third root measures needle to two measurement needles
The pitch diameter of thread size of bar；When detection, calibration measurement table, will first measure table and third root measurement needle entirety or measuring rod drives
Third root needle is lifted up, and after two thread grooves below worm screw are adapted to two measurement needles, is placed on two measurement needles
On, third root measurement needle is then moved down, is adapted to third root measurement needle with the thread groove insertion above worm screw, relative to
Under the status of criterion, measurement needle is jacked up upwards, and the measurement scale number read at this time can be obtained worm thread central diameter.To sum up institute
State, it is the configuration of the present invention is simple, easy to operate, it is convenient that worm screw is quickly positioned, measure operation, conducive to raising measurement efficiency with
Accuracy.
Further, the extension of sliding slot through the sliding slot of side plate plate face is offered on each side plate of the positioning table
Direction is parallel with in-plane where two measurement needles；Each measurement needle shaft in two measurement needles is equipped with baffle to one end, surveys
The axial other end of metering pin sequentially passes through the sliding slot on two side plates, another in the axial direction of measurement needle by the first nut tightening
The outer diameter of end, the first nut and baffle is all larger than the width of sliding slot.
By opening up sliding slot on two side plates of positioning table, two measurement needles between two side plates can be along the chute
In opposite directions or backwards to moving movement, when mobile two measurement needles move towards, the distance between two measurement needles reduce, two mobile
Needle back is measured to when movement, the distance between two measurement needles increase, when two measurement needles are moved to setting position, rotation
Tight first screw thread, measurement needle are fastened in two measurement plates by the first nut and baffle；It on the one hand, can be according to the worm screw of measurement
Model is motionless, and the flight pitch on worm screw can pass through mobile two measurements needles, the distance of adjustment between the two apart from of different sizes
The worm screw for adapting to different model is fixed；On the other hand, facilitate the distance between two measurement needles of adjustment, ensure that two measurement needles are embedding
After entering the thread groove on worm screw, there are also vacant thread grooves in the worm screw rod segment between two worm screws, make the third of top
The central projection of root measuring rod improves the stability of three measurement needle clamping worm screws between two worm screws.
Further, it is arranged in parallel between two measurement plates, is arranged in parallel between two measurements needle, and two measurements
Needle is vertical with two measurement plate plate faces, and the outer diameter for measuring needle is less than worm thread groove internal diameter；The measurement needle is close to baffle
End also screw thread be screwed with the second nut, the outer diameter of the second nut is greater than the width of sliding slot；Side plate far from the first nut end
It is clamped between the second nut and baffle.
The side plate of respective side is clamped by the second nut and baffle, ensure measurement needle perpendicular to side plate, therefore the second nut
Quick positioning action is played with baffle, is then directly fastened by the first nut.
Further, the measuring rod lower end is connect by terminal pad with another measurement needle；The terminal pad and measurement
The end of bar is rotatablely connected, and rotational axis line direction is overlapped with the axis direction of measuring rod；It is arranged on the lower surface of terminal pad
There are two symmetrically arranged link block, measure the needle section on needle respectively close to both ends and be in link block and connect, two link blocks it
Between the needle section of measurement needle be adapted to worm thread groove.
Firstly, the thread groove on worm screw is generally all obliquely installed, and the position being disposed below on two measurement needles every time
Difference is set, the thread groove above worm screw can not match relatively completely with another measurement needle, therefore terminal pad and measurement needle are whole
It is rotatablely connected between body and measuring rod, the measurement needle above worm screw is facilitated to be adapted to the thread groove carry out activity on worm screw；And
Another measurement needle is fixed on terminal pad lower surface by two link blocks, the measurement needle section and snail between two link blocks
Thread groove adaptation on bar, the distance between two link blocks are slightly larger than the outer diameter of worm screw, and two link blocks also act as at this time
Certain position-limiting action.
Further, through-hole is offered on the lower surface of the terminal pad direction measurement needle, through-hole successively wraps from the bottom to top
Limit section and through hole section are included, the internal diameter for limiting section is greater than the internal diameter of through hole section；The lower end of measuring rod is equipped with connecting rod, connecting rod
Axial one end is equipped with position-arresting disk, and the outer wall of position-arresting disk between bearing and limit section inner wall by being rotatablely connected；The axial direction of connecting rod
Other end clearance fit is fixedly connected after sequentially passing through limit section and through hole section with measuring rod lower end.
Terminal pad is connect by connecting rod with measuring rod, it can be by connecting rod upper surface between connecting rod and measuring rod
On open up blind hole, be fixed in the lower end interference fit insertion blind hole of measuring rod；The lower end of connecting rod passes through bearing and terminal pad
Rotation connection, the measurement needle above worm screw when first encountering screw thread resistance, can transmit resistance with thread groove adaptation procedure
To terminal pad, terminal pad is by bearing relative to connecting rod rotational motion until measurement needle is embedded in thread groove after rotating move angle
Until interior.
Further, torsional spring, one end of torsional spring and connecting rod are arranged in the rod segment that the connecting rod is located in limit section
The fixed, other end is connect with limit section inner wall.
Will connecting rod and terminal pad rotation connection between torsional spring is set, to terminal pad and measure needle entirety rotational motion
Certain position-limiting action is played, insertion groove in appropriate location can not be turned to after preventing measurement needle from receiving worm thread resistance immediately
It is interior.
Further, threaded hole is opened up on the link block, in addition a measurement needle sequentially passes through on two link blocks
It threaded hole and is screwed on fixation with threaded hole screw thread.
Another measurement needle above worm screw is connected through a screw thread structure setting on link block, easy disassembly, replacement
Operation.
Further, the link block is weld part, and another measurement needle is welded on the following table of terminal pad by welded plate
On face.
Or directly measurement needle is welded on link block, structure is simple and firm.
Further, the measurement table is removably mounted on positioning column by anchor ear.
One end of anchor ear is detachably secured on positioning column, the other end of anchor ear is detachably fixed the measuring rod of measurement table,
Easy disassembly operation.
Further, the positioning column is equipped with automatic hoisting mechanism, and automatic hoisting mechanism drives measurement table to do liter up and down
Drop movement, the direction that automatic hoisting mechanism drives measurement table to move up and down are vertical with plane where two measurement needles.
Existing lead-screw drive mechanism or electric pushrod, hydraulic push rod structure can be selected in automatic hoisting mechanism, automatically controls
The lifting action of table is measured, is conducive to improve measurement efficiency.
The present invention has the advantage that and the utility model has the advantages that
The present invention, which is arranged, fixes the wherein positioning column of two positioning tables for measuring needle and fixation measuring table, by third root
Measure the measuring rod lower end that needle is set to measurement table；Two measurement needles are generally arranged in parallel, for below horizontal worm screw
Two thread grooves be embedded in adaptation, and two gaugers can provide two o'clock supporting force for worm screw and consolidate to worm screw
It is fixed, under third root needle is located above horizontal worm screw, is adapted to the insertion of one of thread groove, and third root measurement needle is located at
Between two measurement needles of side, three measurement needle structures triangular in shape are fixedly clamped, percentage can be used in measurement table conducive to by worm screw
Table or amesdial；When not detecting, the distance between plane is less than snail to be detected where third root measures needle to two measurement needles
The pitch diameter of thread size of bar；When detection, calibration measurement table, will first measure table and third root measurement needle entirety or measuring rod drives
Third root needle is lifted up, and after two thread grooves below worm screw are adapted to two measurement needles, is placed on two measurement needles
On, third root measurement needle is then moved down, is adapted to third root measurement needle with the thread groove insertion above worm screw, relative to
Under the status of criterion, measurement needle is jacked up upwards, and the measurement scale number read at this time can be obtained worm thread central diameter.To sum up institute
State, it is the configuration of the present invention is simple, easy to operate, it is convenient that worm screw is quickly positioned, measure operation, conducive to raising measurement efficiency with
Accuracy.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is entirety perspective view of the invention；
Fig. 2 is positioning table structural schematic diagram of the invention；
Fig. 3 is terminal pad and measurement table attachment structure schematic diagram of the invention.
Label and corresponding parts title in attached drawing: 1- measures needle, 11- baffle, the first nut of 12-, the second spiral shell of 13-
Mother, 2- positioning table, 21- side plate, 22- bottom plate, 23- sliding slot, 3- positioning column, 4- measure table, 41- measuring rod, 5- terminal pad, 51-
Link block, 52- through-hole, 53- connecting rod, 54- position-arresting disk, 55- torsional spring, 56- bearing, 6- anchor ear.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
A kind of low-modulus worm cylindrical measurement is present embodiments provided away from the quick detection device of deviation, including three measurement needles
1, it further include positioning table 2, positioning column 3 and measurement table 4, positioning column 3 uses cylindrical structure, and positioning table 2 includes that two plate faces are opposite
The side plate 21 and bottom plate 22 of setting, side plate 21 and bottom plate 22 are in rectangular parallelepiped structure, and two 22 bottom ends of side plate are solid on bottom plate 22
Fixed, three connects U-shaped structure, and two measurement needles 1 are arranged between two side plates 21, and the both ends of two measurement needles 1 are fixed on
On corresponding side plate 21, two measurement needles 1 are in the same plane；Fixation measuring table 4 on positioning column 3 measures the measuring rod of table 4
Another measurement needle 1 is arranged in 41 lower ends, and the projection of another measurement needle 1 in the vertical direction is located between two measurement needles 1,
Another measurement needle 1 is located at the top of above-mentioned two measurement needles 1, and three measurement needles 1 are adapted for measurement worm thread central diameter.
Embodiment 2
It is further improved, offers on each side plate 21 of the positioning table 2 through side plate on the basis of embodiment 1
The sliding slot 23 of 21 plate faces, the extending direction of sliding slot 23 are parallel with two measurement 1 place in-planes of needle；In two measurement needles 1
The axial one end of each measurement needle 1 is equipped with baffle 11, and the axial other end of measurement needle 1 sequentially passes through the sliding slot on two side plates 21
23, the axial other end of measurement needle 1 is tightened on by the first nut 12, the outer diameter of the first nut 12 and baffle 11 is all larger than sliding slot
23 width.It is arranged in parallel between two measurement plates 21, is arranged in parallel between two measurement needles 1, and two measurement needles 1 are with two
A 21 plate face of measurement plate is vertical, and the outer diameter of measurement needle 1 is less than worm thread groove internal diameter；Needle 1 is measured close to the end of baffle 11
Also screw thread is screwed with the second nut 13, and the outer diameter of the second nut 13 is greater than the width of sliding slot 23；Side far from 12 end of the first nut
Plate 21 is clamped between the second nut 13 and baffle 11.
Embodiment 3
It is further improved on the basis of embodiment 2,41 lower end of measuring rod passes through terminal pad 5 and another measurement needle
1 connection, terminal pad 5 are in disc structure；The end of terminal pad 5 and measuring rod 4 is rotatablely connected, and rotational axis line direction and measurement
The axis direction of bar 4 is overlapped；Setting measures on needle 1 respectively there are two symmetrically arranged link block 51 on the lower surface of terminal pad 5
It is in link block 51 by the needle section of two close end to connect, the needle section and worm thread groove of the measurement needle 1 between two link blocks 51
Adaptation.
Rotation connection structure: the terminal pad 5 towards measurement needle 1 lower surface on offer through-hole 52, through-hole 52 is under
Supreme successively includes limit section and through hole section, and the internal diameter for limiting section is greater than the internal diameter of through hole section；The lower end of measuring rod 41, which is equipped with, to be connected
Extension bar 53, axial one end of connecting rod 53 are equipped with position-arresting disk 54, the outer wall of position-arresting disk 54 by bearing 56 and limit section inner wall it
Between be rotatablely connected；The axial other end clearance fit of connecting rod 53 sequentially pass through limit section and through hole section after with 41 lower end of measuring rod
It is fixedly connected.Torsional spring 55, one end of torsional spring 55 and connecting rod 53 are arranged in the rod segment that the connecting rod 53 is located in limit section
The fixed, other end is connect with limit section inner wall.Blind hole, the lower end interference of measuring rod 41 are offered on the upper end end face of connecting rod 53
It is fixed in cooperation insertion blind hole, the initial of needle 1 can be measured by the relative position of rotation measuring bar 41 and connecting rod 53, another
Position.
Embodiment 4
It is further improved on the basis of embodiment 3, opens up threaded hole on the link block 51, in addition a measurement needle 1
It sequentially passes through the threaded hole on two link blocks 51 and is screwed on fixation with threaded hole screw thread；Alternatively, link block 51 is weld part,
Another measurement needle 1 is welded on the lower surface of terminal pad 5 by welded plate.
Embodiment 5
It is further improved on the basis of embodiment 4, further includes pedestal 7, pedestal 7 passes through threaded locating hole 8 by bolt
It fixes on the table；Positioning table 2 can also pass through threaded locating hole 8 by bolt and be fixed on pedestal 7, and positioning column 3 is inserted into
Fixed on the mounting hole opened up on pedestal 7, positioning column 3 can be screwed on mounting hole by screw thread；It is removable by anchor ear 6 to measure table 4
It unloads and is mounted on positioning column 3.
Embodiment 6
It is further improved on the basis of embodiment 5, the positioning column 3 is equipped with automatic hoisting mechanism, escalator
Structure drives measurement table 4 to do oscilaltion campaign, the direction that automatic hoisting mechanism drives measurement table 4 to move up and down and two measurements
1 place plane of needle is vertical；Automatic hoisting mechanism uses electric threaded shaft transmission mechanism, the axis direction and 3 axis of positioning column of screw rod
Direction is arranged in parallel, and connecting component is arranged on the pair of nut outer wall on screw rod, by connecting component and measuring rod 41 by bolt or
Screw rod rotational motion is driven by motor in anchor ear connection, and the rotational motion of screw rod is converted into the linear motion of pair of nut, drives measurement
Table moves up and down, convenient to place worm screw on two measurement needles 1.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. low-modulus worm cylindrical measurement is away from the quick detection device of deviation, including three measurement needles (1), which is characterized in that also wrap
Positioning table (2), positioning column (3) and measurement table (4) are included, the positioning table (2) includes the side plate (21) that two plate faces are oppositely arranged
With bottom plate (22), two side plate (22) bottom ends fixed, three on bottom plate (22) connects U-shaped structure, two side plates (21)
Between be arranged two measurement needles (1), two measure needle (1) both ends be fixed on corresponding side plate (21), two measurement needles (1)
It is in the same plane；Measuring rod (41) the lower end setting of fixation measuring table (4) on the positioning column (3), measurement table (4) is another
Root measures needle (1), and another measurement needle (1) is located at the top of above-mentioned two measurements needle (1), and another measurement needle (1) is perpendicular
The upward projection of histogram is located between two measurement needles (1), and three measurement needles (1) are adapted for measurement worm thread central diameter.
2. low-modulus worm cylindrical measurement according to claim 1 is away from the quick detection device of deviation, which is characterized in that described
The sliding slot (23) through side plate (21) plate face, the extension side of sliding slot (23) are offered on each side plate (21) of positioning table (2)
To parallel with in-planes where two measurement needles (1)；Axial one end of each measurement needle (1) in two measurements needle (1) is equipped with
The axial other end of baffle (11), measurement needle (1) sequentially passes through the sliding slot (23) on two side plates (21), passes through the first nut
(12) it is tightened on the axial other end of measurement needle (1), the outer diameter of the first nut (12) and baffle (11) is all larger than sliding slot (23)
Width.
3. low-modulus worm cylindrical measurement according to claim 2 is away from the quick detection device of deviation, which is characterized in that two
Measurement plate is arranged in parallel between (21), is arranged in parallel between two measurement needles (1), and two measurement needles (1) with two
Measurement plate (21) plate face is vertical, and the outer diameter of measurement needle (1) is less than worm thread groove internal diameter；The measurement needle (1) is close to baffle
(11) end also screw thread is screwed with the second nut (13), and the outer diameter of the second nut (13) is greater than the width of sliding slot (23)；It is separate
The side plate (21) at the first nut (12) end is clamped between the second nut (13) and baffle (11).
4. low-modulus worm cylindrical measurement according to claim 1 is away from the quick detection device of deviation, which is characterized in that described
Measuring rod (41) lower end is connect by terminal pad (5) with another measurement needle (1)；The end of the terminal pad (5) and measuring rod (4)
Portion's rotation connection, and rotational axis line direction is overlapped with the axis direction of measuring rod (4)；It is arranged on the lower surface of terminal pad (5)
There are two symmetrically arranged link block (51), the needle section in measurement needle (1) respectively close to both ends is in link block (51) and connects, and two
The needle section of measurement needle (1) between a link block (51) is adapted to worm thread groove.
5. low-modulus worm cylindrical measurement according to claim 4 is away from the quick detection device of deviation, which is characterized in that described
It is offered through-hole (52) on the lower surface of terminal pad (5) direction measurement needle (1), through-hole (52) successively includes limit section from the bottom to top
And through hole section, the internal diameter for limiting section are greater than the internal diameter of through hole section；The lower end of measuring rod (41) is equipped with connecting rod (53), connecting rod
(53) axial one end is equipped with position-arresting disk (54), and the outer wall of position-arresting disk (54) between bearing (56) and limit section inner wall by rotating
Connection；The axial other end clearance fit of connecting rod (53) sequentially pass through limit section and through hole section after it is solid with measuring rod (41) lower end
Fixed connection.
6. low-modulus worm cylindrical measurement according to claim 5 is away from the quick detection device of deviation, which is characterized in that described
Is arranged with torsional spring (55) in the rod segment that connecting rod (53) is located in limit section, one end of torsional spring (55) and connecting rod (53) it is fixed,
The other end is connect with limit section inner wall.
7. low-modulus worm cylindrical measurement according to claim 4 is away from the quick detection device of deviation, which is characterized in that described
Link block opens up threaded hole on (51), in addition measurement needle (1) sequentially pass through the threaded hole on two link blocks (51) and with
Threaded hole screw thread is screwed on fixation.
8. low-modulus worm cylindrical measurement according to claim 4 is away from the quick detection device of deviation, which is characterized in that described
Link block (51) is weld part, and another measurement needle (1) is welded on the lower surface of terminal pad (5) by welded plate.
9. low-modulus worm cylindrical measurement according to claim 1 is away from the quick detection device of deviation, which is characterized in that described
Measurement table (4) is removably mounted on positioning column (3) by anchor ear (6).
10. low-modulus worm cylindrical measurement according to claim 1 is away from the quick detection device of deviation, which is characterized in that institute
Positioning column (3) are stated equipped with automatic hoisting mechanism, automatic hoisting mechanism drives measurement table (4) to do oscilaltion campaign, automatic to rise
The direction that descending mechanism drives measurement table (4) to move up and down is vertical with plane where two measurement needles (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635328.5A CN109489524A (en) | 2018-12-29 | 2018-12-29 | Low-modulus worm cylindrical measurement is away from the quick detection device of deviation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635328.5A CN109489524A (en) | 2018-12-29 | 2018-12-29 | Low-modulus worm cylindrical measurement is away from the quick detection device of deviation |
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| CN109489524A true CN109489524A (en) | 2019-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111536858A (en) * | 2020-04-29 | 2020-08-14 | 大连创新零部件制造公司 | Hand-held comparison method worm rod span three-wire measuring instrument and measuring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536858A (en) * | 2020-04-29 | 2020-08-14 | 大连创新零部件制造公司 | Hand-held comparison method worm rod span three-wire measuring instrument and measuring method |
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Application publication date: 20190319 |