CN212963163U - Detection tool for concentricity of circular arc surface of valve body - Google Patents
Detection tool for concentricity of circular arc surface of valve body Download PDFInfo
- Publication number
- CN212963163U CN212963163U CN202021561630.3U CN202021561630U CN212963163U CN 212963163 U CN212963163 U CN 212963163U CN 202021561630 U CN202021561630 U CN 202021561630U CN 212963163 U CN212963163 U CN 212963163U
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- CN
- China
- Prior art keywords
- valve body
- concentricity
- rotating shaft
- arc surface
- connecting rod
- Prior art date
- 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.)
- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 12
- 239000004579 marble Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A detection tool for concentricity of an arc surface of a valve body comprises a fixing assembly and a concentricity measuring assembly, wherein the fixing assembly comprises a base, a bearing, a rotating shaft and a fixed rod, a circular groove is formed in the center of the upper end surface of the base, the bearing is arranged in the circular groove, one end of the rotating shaft is vertically inserted into an inner ring of the bearing to be fixedly connected with the inner ring of the bearing, the other end of the rotating shaft is detachably and fixedly connected with the fixed rod, and a counter bore is formed in the upper end surface of the fixed rod; the concentricity measuring assembly comprises a measuring bracket, a connecting rod and a dial indicator, the measuring bracket is fixed at the edge of the base, the connecting rod can be horizontally arranged on the measuring bracket in a sliding manner, and the dial indicator is arranged at the end part of the connecting rod. The valve body central shaft is inserted into the fixing shaft counter bore, the connecting rod is moved to enable the measuring end of the dial indicator to be in contact with the valve body arc surface, the valve body is rotated, the dial indicator is observed to change, the concentricity of the valve body arc surface can be obtained, the measuring efficiency is high, and the measuring precision is high.
Description
Technical Field
The utility model relates to a concentricity measuring equipment technical field especially relates to a detection frock of valve body arc surface concentricity.
Background
At present, the concentricity of the circular arc surface of the valve body is commonly measured by three coordinates, the valve body structure is shown in figure 1 and comprises a base 1 and a circular arc surface 2 vertically connected with the base, a central shaft 3 is arranged at the center of the base, and the three coordinates are difficult to fix during measurement, the measurement difficulty is high, the measurement speed is low, and the measurement precision is poor; in addition, the three-coordinate equipment is expensive and needs a special person to operate, thus increasing the burden of enterprises.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a detection frock of valve body arc surface concentricity can the rapid survey, improves measurement accuracy.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a detection tool for concentricity of an arc surface of a valve body comprises a fixing assembly and a concentricity measuring assembly, wherein the fixing assembly comprises a base, a bearing, a rotating shaft and a fixed rod, a circular groove is formed in the center of the upper end surface of the base, the bearing is arranged in the circular groove, one end of the rotating shaft is vertically inserted into a bearing inner ring to be fixedly connected with the bearing inner ring, the other end of the rotating shaft is detachably and fixedly connected with the vertical fixed rod, and a counter bore used for inserting a central shaft of the valve body to be detected is formed in the upper end surface of the fixed;
the concentricity measuring assembly comprises a measuring support, a connecting rod and a dial indicator, the measuring support is fixed at the edge of the base, the connecting rod can be arranged on the measuring support in a manner of horizontally sliding towards the direction of the fixing rod, the dial indicator is arranged at the end part of the connecting rod, and a measuring head of the dial indicator points to the fixing rod.
Furthermore, the fixing component also comprises two supporting blocks, the two supporting blocks are arranged on the upper end face of the base in parallel, and the two supporting blocks are positioned on two sides of the rotating shaft.
Furthermore, the supporting block is made of marble, the upper end face of the supporting block is finely ground and polished, and the flatness is accurate to 0.001 mm.
Furthermore, the rotating shaft is connected with the fixing rod through threads, a threaded hole is formed in the rotating shaft, and a screw rod matched with the threaded hole is arranged at the lower end of the fixing rod.
Furthermore, the upper portion of the measuring support is provided with a through hole used for enabling the connecting rod to horizontally slide, and a screwing bolt is arranged outside the through hole and used for screwing the connecting rod.
According to the technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides a detection frock of valve body arc surface concentricity inserts the fixed axle counter bore with the valve body center pin in, and the supporting shoe supports the base of valve body, and the movable connecting rod makes amesdial measuring end and valve body arc surface contact, and rotary valve body observes the amesdial and changes, can reach the concentricity of valve body arc surface, easy operation, and measurement of efficiency is fast, and measurement of accuracy is high.
2. The rotating shaft is in threaded connection with the fixed rod, the matched fixed shaft can be replaced according to the diameter of the valve body central shaft, the valve body is suitable for valve bodies with different diameters, and the valve body is easy to disassemble and convenient to maintain.
Drawings
FIG. 1 is a schematic structural view of a valve body;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the rotating shaft;
fig. 4 is a schematic structural view of the fixing rod.
The labels in the figure are: 1. the device comprises a base, 2, an arc surface, 3, a central shaft, 4, a base, 401, a supporting block, 5, a bearing, 6, a rotating shaft, 601, a threaded hole, 7, a fixing rod, 701, a counter bore, 702, a screw rod, 8, a connecting rod, 9, a screwing bolt, 10, a measuring bracket, 11 and a dial indicator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, a detection tool for concentricity of a circular arc surface of a valve body comprises a fixing component and a concentricity measuring component, wherein the fixing component comprises a base 4, a bearing 5, a rotating shaft 6 and a fixing rod 7, a circular groove is arranged at the center of the upper end surface of the base 4, the bearing 5 is arranged in the circular groove, one end of the rotating shaft 6 is vertically inserted into an inner ring of the bearing 5 and fixedly connected with the inner ring of the bearing 5, the other end of the rotating shaft is detachably and fixedly connected with the vertical fixing rod 7, a counter bore 701 used for inserting a valve body center shaft 3 to be detected is arranged on the upper end surface of the fixing rod 7, the diameter of the counter bore 701 is equal to the diameter of the valve body center shaft 3.
Concentricity measurement component is including measuring support 10, connecting rod 8 and amesdial 11, it fixes to measure support 10 the edge of base 4, connecting rod 8 can be towards setting up of dead lever direction horizontal slip on measuring support 10, amesdial 11 sets up the tip at connecting rod 8, and the directional dead lever 7 of amesdial 11 gauge head, amesdial 11 and connecting rod 8 are for dismantling fixed connection.
The fixing component further comprises two supporting blocks 401, the two supporting blocks 401 are arranged on the upper end face of the base 4 in parallel, and the two supporting blocks 401 are located on two sides of the rotating shaft 6; supporting block 401 is the marble, and supporting block 401 up end finish grinding polishing, the flatness is accurate to 0.001mm, guarantees valve body base 1 stationarity on supporting block 401, improves measurement accuracy.
The rotating shaft 6 is connected with the fixing rod 7 through threads, a threaded hole 601 is formed in the rotating shaft, a threaded hole matched screw rod 702 is arranged at the lower end of the fixing rod 7, the matched fixing shaft can be replaced according to the diameter of the valve body center shaft, the valve body is suitable for valve bodies with different diameters, and the valve body is easy to detach and convenient to maintain.
The upper portion of the measuring support 10 is provided with a through hole used for enabling the connecting rod 8 to horizontally slide, and the outer edge of the through hole is provided with a screwing bolt 9 used for screwing the connecting rod 8.
The working process is as follows: insert 7 counter bores 701 of dead lever with valve body center pin 3 in, the base 1 of valve body is supported to supporting shoe 401, and the movable connecting rod 8 makes 11 measuring ends of amesdial and the contact of valve body arc surface 2, and rotatory bolt 9 locking connecting rod 8 of screwing, rotatory valve body afterwards, observe amesdial 11 and change, can reach the concentricity of valve body arc surface 2, easy operation, measurement of efficiency is fast, and measurement of accuracy is high.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides a detection frock of valve body arc surface concentricity which characterized in that: the device comprises a fixing assembly and a concentricity measuring assembly, wherein the fixing assembly comprises a base (4), a bearing (5), a rotating shaft (6) and a fixing rod (7), a circular groove is formed in the center of the upper end face of the base (4), the bearing (5) is arranged in the circular groove, one end of the rotating shaft (6) is vertically inserted into an inner ring of the bearing (5) and fixedly connected with the inner ring of the bearing (5), the other end of the rotating shaft is detachably and fixedly connected with the vertical fixing rod (7), and a counter bore (701) for inserting a central shaft (3) of a valve body to be detected is formed in the upper end face of the fixing rod (7;
concentricity measurement component is including measuring support (10), connecting rod (8) and amesdial (11), it fixes to measure support (10) the edge of base (4), connecting rod (8) can be towards setting up of dead lever direction horizontal slip on measuring support (10), amesdial (11) set up the tip at connecting rod (8), and amesdial (11) gauge head is directional dead lever (7).
2. The detection tool for the concentricity of the circular arc surface of the valve body according to claim 1, wherein: the fixing component further comprises two supporting blocks (401), the two supporting blocks (401) are arranged on the upper end face of the base (4) in parallel, and the two supporting blocks (401) are located on two sides of the rotating shaft (6).
3. The detection tool for the concentricity of the circular arc surface of the valve body according to claim 2, wherein: the supporting block (401) is made of marble, the upper end face of the supporting block (401) is finely ground and polished, and the flatness is accurate to 0.001 mm.
4. The detection tool for the concentricity of the circular arc surface of the valve body according to claim 1, wherein: the rotating shaft (6) is connected with the fixing rod (7) through threads, a threaded hole (601) is formed in the rotating shaft, and a screw rod (702) matched with the threaded hole is arranged at the lower end of the fixing rod (7).
5. The detection tool for the concentricity of the circular arc surface of the valve body according to claim 1, wherein: the upper part of the measuring support (10) is provided with a through hole for enabling the connecting rod (8) to horizontally slide, and the outer edge of the through hole is provided with a screwing bolt (9) for screwing the connecting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561630.3U CN212963163U (en) | 2020-07-31 | 2020-07-31 | Detection tool for concentricity of circular arc surface of valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561630.3U CN212963163U (en) | 2020-07-31 | 2020-07-31 | Detection tool for concentricity of circular arc surface of valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212963163U true CN212963163U (en) | 2021-04-13 |
Family
ID=75345116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021561630.3U Expired - Fee Related CN212963163U (en) | 2020-07-31 | 2020-07-31 | Detection tool for concentricity of circular arc surface of valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212963163U (en) |
-
2020
- 2020-07-31 CN CN202021561630.3U patent/CN212963163U/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: 20210413 |