CN208238753U - A kind of high-precision cylindricity measuring instrument - Google Patents
A kind of high-precision cylindricity measuring instrument Download PDFInfo
- Publication number
- CN208238753U CN208238753U CN201820874839.1U CN201820874839U CN208238753U CN 208238753 U CN208238753 U CN 208238753U CN 201820874839 U CN201820874839 U CN 201820874839U CN 208238753 U CN208238753 U CN 208238753U
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- China
- Prior art keywords
- connecting rod
- contact
- workpiece
- fixed
- measuring instrument
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- 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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Abstract
The utility model discloses a kind of high-precision cylindricity measuring instruments, for measuring the outer circumference surface of annular work piece, it is characterized in that, including rotating basis, horizontally disposed contact, fixed block, connecting rod right above the fixed block, the casing of fixed setting, above the connecting rod and there is the measurement container of liquid and be connected to the differential pressure type liquid level meter measured on container, in the present invention, workpiece with rotating basis when making rotating motion, contact remains and the contact of workpiece periphery to be measured, when workpiece periphery surface to be measured occurs concave-convex, contact can be made to move in the horizontal direction, at this time contact can be moved reflection to its by inclined-plane cooperate connecting rod on, to be moved up and down with piston, so that the liquid height in measurement container changes, the variation is directly reflected into pressure difference On formula liquidometer, the cylindricity of excircle of workpiece circumferential surface is known with this, structure is simple, and measurement is accurate.
Description
Technical field
The utility model relates to a kind of high-precision cylindricity measuring instruments.
Background technique
Cylindricity measuring instrument, that is, roundness measuring equipment is the dimensional measuring instrument using revolution method of principal axes measurement circularity.In the prior art
Roundness measuring equipment is divided into that sensor is rotary and two kinds of patterns of rotary.When measurement, measured piece with precision bearing system is concentric installs,
Precision bearing system makees accurate circular motion with inductance type linear transducer or workbench.By the sensor, amplifier, filter of instrument
Wave device, output device composition.If instrument is furnished with computer, computer is also included in this system.
It is existing and in cylindricity measuring instrument have structure is complicated, electronic component is various, be unfavorable for maintenance the defects of.
Utility model content
The purpose of the utility model is to provide the cylindricity measuring instruments that a kind of structure is simple, and measurement accuracy is done.
To solve the above problems, the utility model provides a kind of high-precision cylindricity measuring instrument, for measuring cyclic annular work
The outer circumference surface of part characterized by comprising
For workpiece described in clamping and the rotating basis that drives the workpiece to make rotating motion；
Horizontally disposed contact, the contact are provided the constant pressure in horizontal direction by pressure control device, make it always
It is resisted against on the outer circumference surface of the workpiece on clamping and the rotating basis；
It is fixed on the fixed block of the contact upper surface, the upper surface of the fixed block is inclined-plane；
Connecting rod right above the fixed block, the connecting rod are slidably connected at the fixed block by its bottom surface
Upper surface on, bottom surface is also inclined-plane, and have slope identical with the upper surface of the fixed block；
The casing of fixed setting is sheathed on the outside of the connecting rod, enables the connecting rod wherein along the vertical direction
Sliding, the casing is for limiting the sliding of the connecting rod in the vertical direction；
Above the connecting rod and the measurement container with liquid, the measurement are easy bottom and are provided with the liquid
The piston be isolated and be slidably and sealingly connected with measurement container inner wall, the bottom of the piston is in the fixed company in the top of the connecting rod
It connects；
The differential pressure type liquid level meter being connected on the measurement container, the differential pressure type liquid level meter, which is equipped with, to be located in the liquid
The first test lead, and be always positioned at the second test lead above the liquid levels.
The pressure control device includes: as a further improvement of the utility model,
The fixed plate and movable plate being vertically arranged, between be equipped with spacing, the end of the movable plate and the contact
It is fixedly connected；
The telescopic rod that is connected between the fixed plate and the movable plate, and can stretch,
The compressed spring being connected between the fixed plate and the movable plate, the compressed spring are sheathed on described flexible
The outer surface of bar.
Auxiliary sliding sleeve is socketed on the contact as a further improvement of the utility model, the contact is along horizontal
Line is slidably connected in the sliding sleeve, and the sliding sleeve is fixed by a fixed bracket.
The rotating basis includes: as a further improvement of the utility model,
Horizontally disposed pedestal；
Rotation connection on the base, and drives the shaft rotated by power device,
In the shaft, and horizontally disposed two gripping blocks, the gripping block be used for by it is on the workpiece,
Lower end surface is clamped in the shaft.
The power device is the electric rotating being horizontally mounted on the base as a further improvement of the utility model,
Machine, the rotating electric machine have motor shaft that is horizontally disposed, and being used for output torque, pass through between the motor shaft and the shaft
A pair of intermeshing Bevel Gear Transmission connection.
The power device includes the motor being horizontally mounted on the base as a further improvement of the utility model,
And retarder, it is transmission connection between the retarder and the shaft.
The beneficial effects of the utility model are that when making rotating motion with rotating basis, contact remains workpiece
Contact can be made to move in the horizontal direction when workpiece periphery surface to be measured occurs concave-convex with the contact of workpiece periphery to be measured,
Contact can be moved reflection to in its connecting rod by inclined-plane cooperation at this time, to move up and down with piston, be made
The liquid height that must be measured in container changes, which is directly reflected on differential pressure type liquid level meter, is known outside workpiece with this
The cylindricity of periphery, structure is simple, and measurement is accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 2- rotating basis；4- contact；6- pressure control device；8- fixed block；10- connecting rod；12- casing；14-
Measure container；16- piston；18- differential pressure type liquid level meter；20- fixed plate；22- movable plate；24- telescopic rod；26- compressed spring；
28- sliding sleeve；30- fixes bracket；32- pedestal；34- shaft；36- gripping block.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below.
As shown in Figure 1, the utility model includes:
For workpiece described in clamping and the rotating basis 2 that drives the workpiece to make rotating motion；
Horizontally disposed contact 4, the contact 4 are provided the constant pressure in horizontal direction by pressure control device 6, make its beginning
It is resisted against on the outer circumference surface of the workpiece on clamping and the rotating basis 2 eventually；
It is fixed on the fixed block 8 of 4 upper surface of contact, the upper surface of the fixed block 8 is inclined-plane；
Connecting rod 10 right above the fixed block 8, the connecting rod 10 are slidably connected at described by its bottom surface
On the upper surface of fixed block 8, bottom surface is also inclined-plane, and has slope identical with the upper surface of the fixed block 8；
The casing 12 of fixed setting is sheathed on 10 outside of connecting rod, enables the connecting rod 10 wherein along perpendicular
Histogram is to sliding, and the casing 12 is for limiting the sliding of the connecting rod 10 in the vertical direction；
Above the connecting rod 10 and the measurement container 14 with liquid, which is easy bottom, and be provided with will be described
The piston 16 of liquid isolation, the bottom of the piston 16 is fixedly connected in the top of the connecting rod 10；
The differential pressure type liquid level meter 18 being connected on the measurement container 14, the differential pressure type liquid level meter 18 are equipped with positioned at described
Intracorporal first test lead of liquid, and it is always positioned at the second test lead above the liquid levels.
The pressure control device 6 includes: as a further improvement of the utility model,
The fixed plate 20 and movable plate 22 being vertically arranged, between be equipped with spacing, the movable plate 22 and the contact 4
End be fixedly connected；
The telescopic rod 24 that is connected between the fixed plate 20 and the movable plate 22, and can stretch,
The compressed spring 26 being connected between the fixed plate 20 and the movable plate 22, the compressed spring 26 are sheathed on
The outer surface of the telescopic rod 24.
Auxiliary sliding sleeve 28,4 edge of contact are socketed on the contact 4 as a further improvement of the utility model,
Horizontal line is slidably connected in the sliding sleeve 28, and the sliding sleeve 28 is fixed by a fixed bracket 30.
The rotating basis 2 includes: as a further improvement of the utility model,
Horizontally disposed pedestal 32；
The shaft 34 for being rotatably connected on the pedestal 32, and being rotated by power device driving,
In the shaft 34, and horizontally disposed two gripping blocks 36, the gripping block 36 are used for the workpiece
On upper and lower end face be clamped in the shaft 34.
The power device is the rotation being horizontally arranged on the pedestal 32 as a further improvement of the utility model,
Motor, the rotating electric machine has motor shaft that is horizontally disposed, and being used for output torque, between the motor shaft and the shaft 34
It is connected by a pair of intermeshing Bevel Gear Transmission.
The power device includes the electricity being horizontally arranged on the pedestal 32 as a further improvement of the utility model,
Machine and retarder are transmission connection between the retarder and the shaft 34.
The concrete principle of the utility model is as follows:
(1) workpiece is mounted in shaft 34, is clamped by two gripping blocks 36；
(2) adjusting pressure control device 6 (spring as selected dimension, the preparatory stroke of adjustment telescopic rod 24) makes
Contact 4 is obtained to be resisted against on the contoured surface of workpiece；
(3) pass through the liquid levels in the record measurement container 14 of differential pressure type liquid level meter 18 at this time；
(4) rotating electric machine drives workpiece rotation, its cylindricity will be reacted in the contact of contact 4 workpiece at this time, works as work
When there is protrusion on part surface, so that contact 4 is pushed to 6 side of pressure control device, when workpiece has recess, contact 4 is in pressure control
It is moved under the action of device 6 processed to workpiece direction；
(5) in above-mentioned movement reflection to the connecting rod 10 by being cooperated with fixed block 8 by inclined-plane, when contact 4 is to pressure
6 side of control device pushes, and connecting rod 10 or even piston 16 is driven to rise, to promote liquid level, and then reflects to pressure
In the data of differential liquid level gauge 18；When contact 4 is moved to workpiece side, the good piston 16 of connecting rod 10 declines, so that liquid
Face height reduces, and can also be reflected by data to differential pressure type liquid level meter 18；
(6) data obtained in (5) are compared with the initial data in (3), you can learn that workpiece surface profile tolerance
Situation, structure is simple, and the electrical component used is less, convenient for assembling and maintenance, efficiently solves and meets in the prior art
To the problem of.
Above embodiments are only the one such embodiment of the utility model, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of high-precision cylindricity measuring instrument, for measuring the outer circumference surface of annular work piece characterized by comprising
For workpiece described in clamping and the rotating basis (2) that drives the workpiece to make rotating motion；
Horizontally disposed contact (4), the contact (4) are provided the constant pressure in horizontal direction by pressure control device (6), make it
Always it is resisted against on the outer circumference surface of the workpiece on clamping and the rotating basis (2)；
It is fixed on the fixed block (8) of the contact (4) upper surface, the upper surface of the fixed block (8) is inclined-plane；
Connecting rod (10) right above the fixed block (8), the connecting rod (10) are slidably connected at institute by its bottom surface
On the upper surface for stating fixed block (8), bottom surface is also inclined-plane, and has slope identical with the upper surface of the fixed block (8)；
The casing (12) of fixed setting is sheathed on the outside of the connecting rod (10), makes the connecting rod (10) being capable of edge wherein
Vertical direction sliding, the casing (12) is for limiting the sliding of the connecting rod (10) in the vertical direction；
Above the connecting rod (10) and the measurement container (14) with liquid, measurement container (14) bottom be provided with by
The liquid isolation and the piston (16) being slidably and sealingly connected with measurement container (14) inner wall, the bottom of the piston (16) is in described
Connecting rod is fixedly connected at the top of (10)；
The differential pressure type liquid level meter (18) being connected on measurement container (14), the differential pressure type liquid level meter (18), which is equipped with, is located at institute
Intracorporal first test lead of liquid is stated, and is always positioned at the second test lead above the liquid levels.
2. a kind of high-precision cylindricity measuring instrument according to claim 1, which is characterized in that the pressure control device
(6) include:
The fixed plate (20) and movable plate (22) being vertically arranged, between be equipped with spacing, the movable plate (22) and the touching
The end of head (4) is fixedly connected；
The telescopic rod (24) that is connected between the fixed plate (20) and the movable plate (22), and can stretch,
The compressed spring (26) being connected between the fixed plate (20) and the movable plate (22), compressed spring (26) set
Set on the outer surface of the telescopic rod (24).
3. a kind of high-precision cylindricity measuring instrument according to claim 2, which is characterized in that be socketed on the contact (4)
Have auxiliary sliding sleeve (28), the contact (4) is slidably connected in the sliding sleeve (28) along horizontal line, and the sliding sleeve (28) is logical
One fixed bracket (30) are crossed to be fixed.
4. a kind of high-precision cylindricity measuring instrument according to claim 3, which is characterized in that rotating basis (2) packet
It includes:
Horizontally disposed pedestal (32)；
It is rotatably connected on the pedestal (32), and by the shaft (34) of power device driving rotation；
On the shaft (34), and horizontally disposed two gripping blocks (36), the gripping block (36) are used for the work
Upper and lower end face on part is clamped on the shaft (34).
5. a kind of high-precision cylindricity measuring instrument according to claim 4, which is characterized in that the power device is level
The rotating electric machine being mounted on the pedestal (32), the rotating electric machine have motor that is horizontally disposed, and being used for output torque
Axis is connect between the motor shaft and the shaft (34) by a pair of intermeshing Bevel Gear Transmission.
6. a kind of high-precision cylindricity measuring instrument according to claim 4, which is characterized in that the power device includes water
Motor and retarder of the safety on the pedestal (32) are transmission connection between the retarder and the shaft (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874839.1U CN208238753U (en) | 2018-06-07 | 2018-06-07 | A kind of high-precision cylindricity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874839.1U CN208238753U (en) | 2018-06-07 | 2018-06-07 | A kind of high-precision cylindricity measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208238753U true CN208238753U (en) | 2018-12-14 |
Family
ID=64575478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820874839.1U Expired - Fee Related CN208238753U (en) | 2018-06-07 | 2018-06-07 | A kind of high-precision cylindricity measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208238753U (en) |
-
2018
- 2018-06-07 CN CN201820874839.1U patent/CN208238753U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20190607 |