CN207779309U - A kind of arc surface measurer - Google Patents
A kind of arc surface measurer Download PDFInfo
- Publication number
- CN207779309U CN207779309U CN201820225685.3U CN201820225685U CN207779309U CN 207779309 U CN207779309 U CN 207779309U CN 201820225685 U CN201820225685 U CN 201820225685U CN 207779309 U CN207779309 U CN 207779309U
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- CN
- China
- Prior art keywords
- gauge stand
- circular arc
- pushes away
- positioning
- gauge
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of arc surface measurers, belong to the Precision Machining of aero-engine and gas turbine parts and the technical field of measurement, including pedestal and dial gauge, further include positioning gauge stand and universal table bar, one end of the universal table bar and the dial gauge assembly connection, are connected through a screw thread between the other end and the positioning gauge stand；Bottom face the same side of the positioning gauge stand is set there are two positioning pin；The surface of the pedestal equipped with the first circular arc pushes away gauge stand and the second circular arc pushes away gauge stand, and the first circular arc pushes away gauge stand and the second circular arc pushes away that gauge stand matches with the positioning gauge stand and the first circular arc pushes away gauge stand and the second circular arc pushes away between gauge stand that there are spacing；First circular arc pushes away gauge stand and the second circular arc pushes away the respectively interior concaved circular cambered surface in two opposite flanks of gauge stand and outer convex arc surface, and the center of circle of interior concaved circular cambered surface and the center of circle of outer convex arc surface coincide, achieving the purpose that reduce production cost, improving production efficiency and promoting measurer versatility.
Description
Technical field
The utility model belongs to the Precision Machining of aero-engine and gas turbine parts and the technical field of measurement, specifically
It is related to a kind of arc surface measurer.
Background technology
Accurate measurement for boat hair part circular arc surface, existing measuring tool structure is as depicted in figs. 1 and 2, and use is existing
When measuring the inside and outside arc surface of blade, survey crew is fixed on by operation handle 9, the driving drive of cross bar 8 on cross bar 8 measuring tool
Dial framework 11 part is measured, measure relatively convenient, it is only necessary to rotated around mandrel 10 by handle drives cross bar 8,
The measurement to part can be completed, but is using existing measuring tool defect：Since mandrel 10 must be scheduled on center of arc, relating to
And when the larger part of radius, measuring tool can be very big and cause entire measuring tool heavier, production is adversely affected, together
When, measurement process also seems very complicated, increases the cost of production.
Utility model content
In order to solve the above problem of the existing technology, the utility model aim be to provide a kind of arc surface measurer with
Achieve the purpose that reduce production cost, improve production efficiency and promote measurer versatility.
Technical solution used by the utility model is：A kind of arc surface measurer, including pedestal and dial gauge further include fixed
Position gauge stand and universal table bar, one end and the dial gauge assembly connection of the universal table bar, the other end and the positioning gauge stand
Between be connected through a screw thread；Bottom face the same side of the positioning gauge stand is set there are two positioning pin；It is set on the surface of the pedestal
Have that the first circular arc pushes away gauge stand and the second circular arc pushes away gauge stand, the first circular arc pushes away gauge stand and the second circular arc push away gauge stand with the positioning table
Seat matches and the first circular arc pushes away gauge stand and the second circular arc pushes away between gauge stand that there are spacing；First circular arc pushes away gauge stand and second
Circular arc pushes away the respectively interior concaved circular cambered surface in two opposite flanks of gauge stand and outer convex arc surface, and the center of circle of interior concaved circular cambered surface and evagination
The center of circle of arc surface coincides.
Further, first circular arc pushes away gauge stand and the second circular arc pushes away the thickness of gauge stand and is all higher than the end of the positioning pin
Length distance between portion and the bottom face of the positioning gauge stand.
Further, first circular arc push away gauge stand and the second circular arc push away gauge stand thickness it is equal.
Further, plane where the axial line of described two positioning pins is parallel with the positioning side of gauge stand.
Further, the end of the universal table bar is held on the sleeve of the dial gauge.
Further, the universal table bar is the universal table bar of fluid pressure type.
The beneficial effects of the utility model are：
1. the utility model is by way of improving and being felt relieved by shaft core, the existing structure that dial framework is rotated around shaft core, and uses
The mode of circular arc centering, circular arc centering mainly push away gauge stand or the second circular arc by positioning the positioning pin on gauge stand around the first circular arc
Push away the circular arc side sliding of gauge stand, and the first circular arc push away gauge stand and the second circular arc push away gauge stand circular arc it is concentric, then coordinate positioning table
Universal table bar on seat can realize that dial gauge is adjusted to the position for arbitrarily needing to measure, and can realize that dial gauge is made around center of arc
Circular motion greatly reduces the overall dimension of measuring tool, to alleviate the dimensional weight of measuring tool, relative to existing skill
The versatility of art, the application measuring tool is more preferable, can adapt to the dimensional measurement of large radius part；
2. pushing away gauge stand using the first equal circular arc of thickness and the second circular arc pushing away gauge stand, positioning gauge stand can be realized first
Circular arc, which pushes away gauge stand, and the second circular arc pushes away can carry out good matching on gauge stand；Two positioning pins are located at the same of positioning gauge stand
Side realizes that positioning pin can lean against that the first circular arc pushes away gauge stand or the second circular arc pushes away on the arc surface of gauge stand, reaches three-point fix
Effect；
3. using fluid pressure type universal table bar its with good adjusting stability, dial gauge can be adjusted to arbitrary needs
The position of measurement pushes away gauge stand around the first circular arc in cooperation positioning gauge stand or the second circular arc pushes away gauge stand and circles.
Description of the drawings
Fig. 1 provides the overall structure diagram of existing measuring tool structure；
Fig. 2 provides the schematic top plan view of existing measuring tool structure；
Fig. 3 is the overall structure diagram of arc surface measurer provided by the utility model；
Fig. 4 is the schematic top plan view of arc surface measurer provided by the utility model；
Fig. 5 is the partial assembled structural schematic diagram of arc surface measurer provided by the utility model；
Fig. 6 is the side view of the partial assembled structure of arc surface measurer provided by the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated the utility model.
As shown in figs 1 to 6, the utility model provides a kind of arc surface measurer, including pedestal 1 and dial gauge 2, described
Pedestal 1 is rectangular structure, and dial gauge 2 is to utilize the general dimensional measuring instrument of tabular form made of accurate rack and pinion mechanism,
It is usually made of gauge head 7, gauge rod, antirattle spring, rack, gear, balance spring, round dial and pointer etc., the outside of gauge rod is cased with
Cylinder；Further include positioning gauge stand 3 and universal table bar, one end and 2 assembly connection of the dial gauge of the universal table bar, the other end with
It is connected through a screw thread between the positioning gauge stand 3, positions and offer threaded hole on gauge stand 3；The bottom face of the positioning gauge stand 3 is same
Side is set there are two positioning pin 6, is set between two positioning pins 6 are perpendicular with the bottom face of positioning gauge stand 3 and two positioning pins 6
There is spacing, to realize that the bottom face of two cooperation positioning gauge stands 3 of positioning pin 6 forms the effect of three-point fix；The table of the pedestal 1
Face pushes away gauge stand 4 equipped with the first circular arc and the second circular arc pushes away gauge stand 5, and the first circular arc pushes away gauge stand 4 and the second circular arc pushes away the difference of gauge stand 5
Positioned at the both sides of pedestal 1, the first circular arc pushes away gauge stand 4 and the second circular arc pushes away gauge stand 5 and matches with the positioning gauge stand 3 and first
Circular arc pushes away gauge stand 4 and the second circular arc pushes away between gauge stand 5 there are spacing, and the first circular arc pushes away gauge stand 4 and the second circular arc pushes away between gauge stand 5
For part to be measured to be clamped；The bottom face of the positioning gauge stand 3 is fitted in that the first circular arc pushes away gauge stand 4 or the second circular arc pushes away table
On the surface of seat 5, by being attached to, the first circular arc pushes away the interior concaved circular cambered surface of gauge stand 4 to two positioning pins 6 or the second circular arc pushes away the outer of gauge stand 5
In convex arc surface；First circular arc pushes away gauge stand 4 and the second circular arc pushes away the respectively interior concaved circular cambered surface in two opposite flanks of gauge stand 5
With outer convex arc surface, and the center of circle of interior concaved circular cambered surface and the center of circle of outer convex arc surface coincide.Preferably, the positioning pin
6 end is threadingly attached on the positioning gauge stand 3, and another embodiment can also be used, and screw thread connects on positioning gauge stand 3
It is connected to shank of bolt, movable sleeve is equipped with set pin sleeve on shank of bolt, and set pin sleeve can be freely rotated on shank of bolt, reach and be similar to
The structure of idler wheel, in order to which set pin sleeve can lean against, the first circular arc pushes away gauge stand 4 or the second circular arc is pushed away and rolled on the arc surface of table,
Frictional force can be greatly reduced, the convenient degree of measurement is promoted；First circular arc pushes away gauge stand 4 and the second circular arc pushes away gauge stand 5 and passes through
Multiple screws are fixedly connected on pedestal 1.
First circular arc pushes away gauge stand 4 and the second circular arc pushes away the thickness of gauge stand 5 and is all higher than end and the institute of the positioning pin 6
The length distance between the bottom face of positioning gauge stand 3 is stated, i.e., pushes away gauge stand 4 when the bottom face of positioning gauge stand 3 is positioned over the first circular arc
Or second circular arc when pushing away on the surface of gauge stand 5, the table of the pedestal 1 will not be contradicted by positioning 6 end of positioning pin on gauge stand 3
Face ensures that positioning gauge stand 3 can push away gauge stand 4 around the first circular arc or the second circular arc pushes away the arc surface of gauge stand 5 and circles, realizes
Dial gauge 2 measures the arc size of part.
First circular arc pushes away gauge stand 4 and the second circular arc push away gauge stand 5 thickness it is equal, on the one hand, be conducive to the first circular arc
It pushes away gauge stand 4 and the second circular arc pushes away the rapid processing of gauge stand 5；On the other hand, it can be achieved that positioning gauge stand 3 can matched well first
Circular arc pushes away gauge stand 4 or the second circular arc pushes away on gauge stand 5.
Plane where the axial line of described two positioning pins 6 is parallel with the positioning side of gauge stand 3, i.e., two positioning
In the axial line of pin 6 is generally aligned in the same plane, and the plane is parallel with the positioning side of gauge stand 3, when the bottom face of positioning gauge stand 3
It is positioned over the first circular arc and pushes away gauge stand 4 or when the second circular arc is pushed away on the surface of gauge stand 5, the positioning pin 6 of positioning gauge stand 3 just leans against the
One circular arc pushes away gauge stand 4 or the second circular arc pushes away on the arc surface of gauge stand 5.
The end of the universal table bar is held on the sleeve of the dial gauge 2, and universal table bar can arbitrarily adjust dial gauge 2
Position, with complete the arc size of part is measured.
The universal table bar is the universal table bar of fluid pressure type, and the universal table bar of fluid pressure type includes upper meter rod 12, following table bar 13
With dial framework head 14, the upper meter rod 12 is connected with one end of following table bar 13 by Bidirectional rotating joint；The upper meter rod 12 it is another
One end is connect by the first Universal joint ball with dial framework head 14；The other end of the following table bar 13 by the second Universal joint ball with
The positioning base 1 is threadedly coupled, and the end of following table bar 13 is equipped with threaded rod；First Universal joint ball and the 20000th
To between connected ball be equipped with hydraulic circuit pipeline；The upper meter rod 12 includes upper piston and upper connecting rod, the upper piston and liquid
It includes lower piston and lower connecting rod to press oil line pipe connection, the following table bar 13, and the lower piston is connected to hydraulic circuit pipeline.
The Bidirectional rotating joint includes the first rotating body 15, the second rotating body 16 and hydraulic cylinder, first rotation
Turn ontology 15 and hydraulic cylinder pivot bush unit, is sealed between the two equipped with sealing ring；Second rotating body 16 and hydraulic pressure
The end of cylinder is fixedly linked, and first rotating body 15 is fixedly connected with lower connecting rod, second rotating body 16 and upper
Connecting rod is fixedly connected, and the hydraulic cylinder passes through the first rotating body 15, the second rotating body 16 and and the second rotating body 16
It is fixedly connected；The inside of the hydraulic cylinder is connected to the hydraulic circuit pipeline, and hydraulic cylinder is internally provided with locking piston, hydraulic pressure
The external screw-thread of cylinder is socketed with locking nut 17, and when turning locking nut 17, locking nut 17 is to locking piston offer effect
Power, locking piston is then by pushing the hydraulic oil in the hydraulic circuit pipeline, hydraulic oil to be respectively acting on upper piston and lower work
On the end of plug, upper piston and lower piston then can be respectively pushed against on the first Universal joint ball and the second Universal joint ball, be reached
Locking to adjusting position, to realize that universal table bar can be adjusted arbitrarily to the measurement position needed for dial gauge 2.
The end of the dial framework head 14 and the sleeve assembly of the dial gauge 2 clamp, and dial framework head 14 is set as U-shaped folder mouth and U
Type clamping opening is equipped with adjusting nut 18, and the sleeve of dial gauge 2 is inserted into the inside of U-shaped folder mouth, can by turning adjusting nut 18
It realizes and stablizing for dial gauge 2 is installed and fixed.
The operating method of arc surface measurer provided by the utility model is as follows：
The radius that first circular arc pushes away the interior concaved circular cambered surface of gauge stand 4 is R1, and second circular arc pushes away the outer dome of gauge stand 5
The radius of cambered surface is R2, and R1 and R2 are concentric circles, and the mandrel center of the center of circle and existing measuring tool, which coincides, (is determined by circular arc
The heart substitutes the mode of existing shaft core centering), the bottom face of above-mentioned positioning gauge stand 3 is attached to the first circular arc and pushes away gauge stand 4 and second
Circular arc pushes away on the surface of gauge stand 5, meanwhile, (measuring outer circle on the arc surface that two positioning pins 6 can lean against R1 respectively when measuring
When arc) or the arc surface of R2 on (when measuring Inner arc) slide, equally dial gauge 2 can be made to be circled around center of arc,
To achieve the purpose that measure circular arc.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, every the utility model right that falls into is wanted
The technical solution in confining spectrum is sought, is all fallen within the scope of protection of the utility model.
Claims (6)
1. a kind of arc surface measurer, including pedestal and dial gauge, which is characterized in that further include positioning gauge stand and universal table bar, institute
One end of universal table bar and the dial gauge assembly connection are stated, is connected through a screw thread between the other end and the positioning gauge stand；Institute
The bottom face the same side for stating positioning gauge stand is set there are two positioning pin；The surface of the pedestal pushes away gauge stand and equipped with the first circular arc
Two circular arcs push away gauge stand, and the first circular arc pushes away gauge stand and the second circular arc pushes away that gauge stand matches with the positioning gauge stand and the first circular arc pushes away
Gauge stand and the second circular arc push away between gauge stand that there are spacing；First circular arc pushes away gauge stand and the second circular arc push away two of gauge stand it is opposite
Side is respectively interior concaved circular cambered surface and outer convex arc surface, and the center of circle of interior concaved circular cambered surface and the center of circle of outer convex arc surface coincide.
2. arc surface measurer according to claim 1, which is characterized in that first circular arc pushes away gauge stand and the second circular arc pushes away
The thickness of gauge stand is all higher than the length distance between the end of the positioning pin and the bottom face of the positioning gauge stand.
3. arc surface measurer according to claim 2, which is characterized in that first circular arc pushes away gauge stand and the second circular arc pushes away
The thickness of gauge stand is equal.
4. arc surface measurer according to claim 1, which is characterized in that plane where the axial line of described two positioning pins
It is parallel with the positioning side of gauge stand.
5. arc surface measurer according to claim 1, which is characterized in that the end of the universal table bar is held on described hundred
Divide on the sleeve of table.
6. arc surface measurer according to claim 1 or 5, which is characterized in that the universal table bar is the universal table of fluid pressure type
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820225685.3U CN207779309U (en) | 2018-02-08 | 2018-02-08 | A kind of arc surface measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820225685.3U CN207779309U (en) | 2018-02-08 | 2018-02-08 | A kind of arc surface measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207779309U true CN207779309U (en) | 2018-08-28 |
Family
ID=63210119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820225685.3U Expired - Fee Related CN207779309U (en) | 2018-02-08 | 2018-02-08 | A kind of arc surface measurer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207779309U (en) |
-
2018
- 2018-02-08 CN CN201820225685.3U patent/CN207779309U/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 |
Granted publication date: 20180828 Termination date: 20200208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |