CN208860284U - A kind of device measuring inner hole of cylinder and screw thread concentricity - Google Patents
A kind of device measuring inner hole of cylinder and screw thread concentricity Download PDFInfo
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- CN208860284U CN208860284U CN201821693601.5U CN201821693601U CN208860284U CN 208860284 U CN208860284 U CN 208860284U CN 201821693601 U CN201821693601 U CN 201821693601U CN 208860284 U CN208860284 U CN 208860284U
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- micrometer
- screw thread
- inner hole
- cylinder
- bottom plate
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Abstract
The utility model discloses a kind of devices for measuring inner hole of cylinder and screw thread concentricity, including bottom plate, V-type seat, measure pedestal, height column, elevation indicator and micrometer, it is characterized in that, the bottom plate is equipped with floor rail, the V-type seat and measurement pedestal are slidably connected by floor rail and bottom plate, the height column is fixedly connected with measurement pedestal, the elevation indicator is slidably connected with height column, the elevation indicator is equipped with digital display device and vertical adjustment knob, the micrometer is fixedly connected with elevation indicator, the micrometer includes micrometer stand, micrometer dial plate and micrometer gauge outfit.Required concentricity is found out by the difference in height of detection inner hole and screw thread when the program, the utility model structure is simple, detects by micrometer, and precision is higher, and each modular construction is compact, and stability is strong.
Description
Technical field
The utility model relates to a kind of measuring devices, more particularly, to a kind of dress for measuring inner hole of cylinder and screw thread concentricity
It sets.
Background technique
Cylinder barrel internal control and the concentricity of screw thread have a corresponding requirement in field of machining, but generally because equipment sheet
The error of body and cutting, grinding, technique is inconsiderate, material deformation, the temperature difference, the improper of the type of cooling, technique are cumbersome, worker
The reasons such as technical deficiency lead to the concentricity of converted products and actual requirement generates error, such as not just without detection, detection mode
Really, detection device is not accurate, will lead to scrap of the product or reprocesses, and so as to cause the waste of cost, such as sets in dedicated production
It is standby to detect up, it just will affect the output efficiency of production equipment, such as go to detect with projector, image measurer equipment, every time
The datum level of product will be grabbed, so as to cause inefficient, while detection device is expensive, and buying limited will lead to production scene
Stop production equal shut-downs waste to be checked, and the device of existing simple detection concentricity is the concentricity of measurement Step Shaft outer diameter mostly, and
The measurement of internal diameter concentricity is not well solved.
For example, one kind disclosed " a kind of wheel shaft concentricity detection frock ", notification number in Chinese patent literature
CN207556513U, including pedestal, and the driving assembly and detection components that are set on the base；The driving component includes using
In the sleeve body of locating axle thread head, and drive by gearbox the driving motor of the sleeve body；The sleeve body
It is located on pedestal by bearing, the interior sidewall surface of sleeve body is equipped with internal screw thread；The detection components include longitudinal frame, and
Longitudinal movement pair on longitudinal frame is set, and the transverse shifting pair being arranged in longitudinal movement pair, and is fixed on transverse direction
Concentricity on prismatic pair detects table；The detection needle of concentricity detection table can be moved along the radial direction of wheel shaft, and will be described
The displacement data of detection needle is shown on dial plate.The program can easily detect the concentricity of wheel shaft outer diameter, but and be not suitable for
In the detection of internal diameter concentricity.
Utility model content
The utility model is to provide a kind of knot in order to which the internal diameter concentricity detection apparatus for overcoming the problems, such as the prior art is complicated
Structure is simple, the higher concentricity testing device of measurement accuracy.
To achieve the goals above, the utility model uses following technical scheme:
A kind of device measuring inner hole of cylinder and screw thread concentricity, including bottom plate, V-type seat, measurement pedestal, height column, height
Spend display and micrometer, characterized in that the bottom plate is equipped with floor rail, and the V-type seat and measurement pedestal pass through bottom plate
Track is slidably connected with bottom plate, and the height column is fixedly connected with measurement pedestal, and the elevation indicator and the sliding of height column connect
It connecing, the elevation indicator is equipped with digital display device and vertical adjustment knob, and the micrometer is fixedly connected with elevation indicator,
The micrometer includes micrometer stand, micrometer dial plate and micrometer gauge outfit.
V-type seat is used to micrometer and workpiece for measurement being limited to same direction, be convenient for for fixing workpiece, floor rail
Detection, the setting of height column and elevation indicator is for adjusting and recording the vertically-acting of micrometer, digital display device and vertical tune
Convenient for being finely adjusted to the height of micrometer, the record vertical shift being completed at the same time increases the accurate of detection for the setting of section knob
Property.When workpiece for measurement is cylinder barrel, cylinder barrel has two detection positions of inner hole and screw thread, and inner hole check bit is set to base position, screw thread
Check bit is set to differential location, and workpiece is placed on V-type seat by when use, adjusts measurement pedestal to micrometer gauge outfit and is located at check bit
It sets, control vertical knob measures the difference in height of differential location and base position, at least four groups of data need to be measured, after being measured,
The very poor value of data is concentric angle value, since measurement data is calibrated by micrometer, the accuracy of concentric angle value compared with
It is high.
Preferably, the measurement pedestal is equipped with horizontal adjustment knob, the horizontal adjustment knob is connected with height column.
Horizontal adjustment knob is used to adjust the horizontal position of height column, although by the limitation of track, enable to micrometer gauge outfit with
Inner hole of cylinder bottom substantially in one direction, but due to error, micrometer gauge outfit and cylinder caused by work pieces process or production
There may be deviations on cylinder inner hole bottom level direction, solve the problems, such as this to the fine tuning of height column by horizontal adjustment knob.
Preferably, the micrometer stand is connected by connecting column with elevation indicator.Since the utility model is multi-purpose
In the concentricity of detection inner hole of cylinder and screw thread, therefore micrometer would generally be protruded into hole and be detected, and the setting of connecting column is for keeping away
Exempt from elevation indicator when micrometer protrudes into cylinder to collide with cylinder barrel, convenient for detection.
Preferably, the floor rail is in " convex " font, the floor rail is equipped with several and fixes device, described
Fixed device includes fixed block, fixing bolt and railroad shoe, and the railroad shoe is located inside floor rail, and the fixed block passes through
Fixing bolt is fixedly connected with railroad shoe.The floor rail of " convex " font can be improved stability, and fixed device is used for measurement
Pedestal and V-type seat are fixed, and the fixation device stability formed by fixed block, fixing bolt and railroad shoe is splendid, simultaneously
It can adjust in orbit, convenient for the calibration to region to be measured.
Therefore, the utility model has the following beneficial effects:
(1) structure is simple；
(2) measurement accuracy is high；
(3) stability is strong.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of micrometer in the utility model.
Fig. 3 is the structural schematic diagram that device is fixed in the utility model.
Fig. 4 is the detection position instrumentation plan of the utility model.
The base position instrumentation plan of the utility model when Fig. 5.
In figure: it is aobvious that 1- bottom plate 2-V type seat 3- floor rail 4- fixed block 5- measures pedestal 6- height column 7- height
Show device 8- connecting column 9- micrometer 10- cylinder barrel 11- micrometer stand 12- micrometer dial plate 13- micrometer gauge outfit to be measured
The base position 14- differential location 15- screw thread 16- 17- fixing bolt 18- railroad shoe 19- horizontal adjustment knob 20- is vertical
Adjusting knob.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
In embodiment as shown in drawings,
A kind of device measuring inner hole of cylinder and screw thread concentricity, bottom plate 1 are equipped with floor rail 3, V-type seat 2 and measurement
Pedestal 5 is slidably connected by floor rail 3 with bottom plate 1, and height column 6 is fixedly connected with measurement pedestal 5, elevation indicator 7 and height
Degree column 6 is slidably connected, and elevation indicator 7 is equipped with digital display device and vertical adjustment knob 20, and micrometer 9 includes micrometer stand
11, micrometer dial plate 12 and micrometer gauge outfit 13, micrometer stand 11 are connected by connecting column 8 with elevation indicator 7, and bottom is measured
Seat 5 is equipped with horizontal adjustment knob 19, and horizontal adjustment knob 19 is connected with height column 6, and floor rail 3 is in " convex " font, bottom plate
Track 3 is equipped with several and fixes device, and fixed device includes fixed block 4, fixing bolt 17 and railroad shoe 18, and railroad shoe 18
Inside floor rail 3, fixed block 4 is fixedly connected by fixing bolt 17 with railroad shoe 18, is equipped with inside cylinder barrel 10 to be measured inclined
Poor position 14, screw thread 15 and base position 16.
For V-type seat 2 for fixing cylinder barrel 10 to be measured, floor rail 3 is same for micrometer 9 and cylinder barrel to be measured 10 to be limited to
On direction, convenient for detection, the setting of height column 6 and elevation indicator 7 is for adjusting and recording the vertical displacement of micrometer 9, number
The setting of aobvious device and vertical adjustment knob 20 records vertical shift convenient for being finely adjusted to the height of micrometer 9, increases
The accuracy of detection, horizontal adjustment knob 19 are used to adjust the horizontal position of height column 6, and the utility model is chiefly used in detecting cylinder barrel
The concentricity of inner hole and screw thread, therefore micrometer 9 would generally be protruded into hole and be detected, the setting of connecting column 8 is for avoiding micrometer 9
Elevation indicator 7 collides with cylinder barrel 10 to be measured when protruding into cylinder, and convenient for detection, the floor rail 3 of " convex " font can be mentioned
High stability, fixed device are used to that measurement pedestal 5 and V-type seat 2 to be fixed, and pass through fixed block 4, fixing bolt 17 and track
The fixation device stability that seat 18 is formed is splendid, while can adjust on floor rail 3, convenient for the calibration to region to be measured.
Pedestal 5 will be measured by fixed device when measurement and V-type seat is fixed on bottom plate 1, be adjusted to micrometer table gauge outfit
13 to the top of differential location 14, adjust vertical adjustment knob 20 to micrometer gauge outfit 13 differential location 14 push 0.1mm ~
Then 0.3mm or so adjusts horizontal adjustment knob 19 and finds minimum point, pointer can be toward big in micrometer dial plate 12 at minimum point
Direction turns, and digital display device on elevation indicator 7 is zeroed, and adjusts vertical adjustment knob 20 to micrometer gauge outfit 13 in base position
16 push 0.1mm ~ 0.3mm or so, then adjust horizontal adjustment knob 19 and find minimum point, at this time registration on elevation indicator 7
Cylinder barrel 10 to be measured is rotated by 90 ° by the as difference in height of differential location and base position, repeats above-mentioned measuring process, until measurement
Four data out, after being measured, four the very poor of data are required concentricity.
Claims (5)
1. a kind of device for measuring inner hole of cylinder and screw thread concentricity, including bottom plate, V-type seat, measurement pedestal, height column, height
Display and micrometer, characterized in that the bottom plate is equipped with floor rail, and the V-type seat and measurement pedestal pass through bottom plate rail
Road is slidably connected with bottom plate, and the height column is fixedly connected with measurement pedestal, and the elevation indicator is slidably connected with height column,
The elevation indicator is equipped with digital display device and vertical adjustment knob, and the micrometer includes micrometer stand, micrometer table
Disk and micrometer gauge outfit, the micrometer are fixedly connected with elevation indicator.
2. a kind of device for measuring inner hole of cylinder and screw thread concentricity according to claim 1, characterized in that the bottom plate
Track is in " convex " font.
3. a kind of device for measuring inner hole of cylinder and screw thread concentricity according to claim 1, characterized in that the measurement
Pedestal is equipped with horizontal adjustment knob, and the horizontal adjustment knob is connected with height column.
4. a kind of device for measuring inner hole of cylinder and screw thread concentricity according to claim 1, characterized in that described thousand points
Ruler bracket is connected by connecting column with elevation indicator.
5. a kind of device for measuring inner hole of cylinder and screw thread concentricity according to claim 1 or 2 or 3 or 4, feature
It is that the floor rail is equipped with several and fixes device, the fixed device includes fixed block, fixing bolt and railroad shoe,
The railroad shoe is located inside floor rail, and the fixed block is fixedly connected by fixing bolt with railroad shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693601.5U CN208860284U (en) | 2018-10-18 | 2018-10-18 | A kind of device measuring inner hole of cylinder and screw thread concentricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693601.5U CN208860284U (en) | 2018-10-18 | 2018-10-18 | A kind of device measuring inner hole of cylinder and screw thread concentricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860284U true CN208860284U (en) | 2019-05-14 |
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ID=66421166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821693601.5U Active CN208860284U (en) | 2018-10-18 | 2018-10-18 | A kind of device measuring inner hole of cylinder and screw thread concentricity |
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| CN (1) | CN208860284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937397A (en) * | 2022-05-24 | 2022-08-23 | 西安航空学院 | Verticality tolerance detection teaching aid |
-
2018
- 2018-10-18 CN CN201821693601.5U patent/CN208860284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937397A (en) * | 2022-05-24 | 2022-08-23 | 西安航空学院 | Verticality tolerance detection teaching aid |
| CN114937397B (en) * | 2022-05-24 | 2024-01-09 | 西安航空学院 | Perpendicularity tolerance detection teaching aid |
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