CN204154240U - Large diameter appliance special for detecting on circular hole class workpiece - Google Patents
Large diameter appliance special for detecting on circular hole class workpiece Download PDFInfo
- Publication number
- CN204154240U CN204154240U CN201420641497.0U CN201420641497U CN204154240U CN 204154240 U CN204154240 U CN 204154240U CN 201420641497 U CN201420641497 U CN 201420641497U CN 204154240 U CN204154240 U CN 204154240U
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- Prior art keywords
- carriage release
- release lever
- measuring staff
- dial gauge
- gauge
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of large diameter appliance special for detecting on circular hole class workpiece, comprise dial gauge, carriage release lever, adjusting lever and measuring staff, dial gauge comprises sounding rod and is located at the measuring head of sounding rod one end, one end of measuring staff is provided with fixing gauge head, the other end of measuring staff connects adjusting lever, the middle part of adjusting lever is provided with carriage release lever, one end of carriage release lever is connected with volute spring, the other end of carriage release lever connects dial gauge, the middle part of carriage release lever is vertically provided with mobile gauge head, the top of measuring staff is provided with handle, measuring staff and handle adopt screw to be connected, adjusting lever is connected with stop nut, stop nut is connected with locating sleeve, locating sleeve is connected with fixing sleeve, the sounding rod of described dial gauge runs through locating sleeve and fixing sleeve, carriage release lever runs through the sounding rod that stop nut connects dial gauge, it is low to its object is to solve the existing circular hole class large diameter appliance special for detecting life-span, and fixing gauge head and mobile gauge head are difficult to be adjusted on same level line and cause measuring inaccurate problem.
Description
Technical field
The utility model relates to the detecting instrument of internal orifice dimension, particularly relates to a kind of large diameter appliance special for detecting on circular hole class workpiece.
Background technology
At present, general large diameter circle hole type parts is all adopt general dial bore gage or clock gauge to measure, also useful micrometer inside caliper is measured, existing dial bore gage or clock gauge structure generally include dial gauge, carriage release lever, adjusting lever and measuring staff, dial gauge comprises sounding rod and is located at the measuring head of sounding rod one end, one end of measuring staff is provided with fixing gauge head, the other end of measuring staff connects adjusting lever, the middle part of adjusting lever is provided with carriage release lever, one end of carriage release lever connects volute spring, the other end of carriage release lever connects dial gauge, the middle part of carriage release lever is vertically provided with mobile gauge head, but existing dial bore gage or clock gauge be not usually because mobile gauge head is when cubing is measured, position is moved excessive and causes dial gauge fragile under the action of the spring, cause reduce the serviceable life of cubing, simultaneously, because the large diameter circle clamping position of hole type parts and the complicacy of this body structure of part in manufacturing process, existing dial bore gage or clock gauge can only collect the measurement point of circular hole class inner bore of part edge, for other measurement points in circular hole, measurement difficulty is high, also make the final result measured inaccurate, in addition, because part aperture to be measured is larger, in order to make measured value more accurate, need ensure that fixing gauge head and mobile gauge head remain on same level position, conventional employing manual shift, not only bother, and error is large, simultaneously, when measuring different pore size, also need to ensure that fixing gauge head and mobile gauge head are on same level position, to guarantee its accuracy.
Utility model content
The purpose of this utility model is to provide a kind of easy to operate large diameter appliance special for detecting on circular hole class workpiece, low to solve the existing circular hole class large diameter appliance special for detecting life-span, and fixing gauge head and mobile gauge head are difficult to be adjusted on same level line and cause measuring inaccurate problem.
To achieve these goals, the utility model provides following technical scheme: the large diameter appliance special for detecting on circular hole class workpiece, comprise dial gauge, carriage release lever, adjusting lever and measuring staff, dial gauge comprises sounding rod and is located at the measuring head of sounding rod one end, one end of described measuring staff is provided with fixing gauge head, the other end of measuring staff connects adjusting lever, the middle part of adjusting lever is provided with carriage release lever, one end of carriage release lever is connected with volute spring, the other end of carriage release lever connects dial gauge, the middle part of carriage release lever is vertically provided with mobile gauge head, the top of described measuring staff is provided with handle, measuring staff and handle adopt screw to be connected, described adjusting lever is connected with stop nut, stop nut is connected with locating sleeve, locating sleeve is connected with fixing sleeve, the sounding rod of described dial gauge runs through locating sleeve and fixing sleeve, described carriage release lever runs through the sounding rod that stop nut connects described dial gauge, balance stem is provided with between described fixing gauge head and mobile gauge head, described balance stem comprises the first fixed bar and the second fixed bar, described first fixed bar is connected by Compress Spring with the second fixed bar, described balance stem is horizontally disposed with.
In this programme, fixing gauge head on described measuring staff is stuck in the side of circular-hole internal-wall, one end of carriage release lever is connected with volute spring, the middle part of carriage release lever is vertically provided with mobile gauge head, volute spring drives mobile gauge head to withstand the opposite side of circular-hole internal-wall, the small rectilinear movement of the sounding rod caused by measured size, be enlarged into and refer to the rotation of meter on the index dial of dial gauge, because adjusting lever is connected with stop nut, stop nut can prevent mobile gauge head when cubing is not measured, be moved to the left excessive under the action of the spring and damage dial gauge, extend the serviceable life of dial gauge, simultaneously, the top of measuring staff is provided with handle, measuring staff and handle adopt screw to be connected, handle can make workman easy to operate when measuring, and can detect downwards along inner bore of part or groove, gather more measurement point, guarantee that measured value accurately and reliably, balance stem is provided with between fixing gauge head and mobile gauge head, and balance stem is horizontally disposed with, balance stem due to be with the fixing gauge head at two ends and mobile gauge head affixed, can guarantee that fixing gauge head and mobile gauge head remain on same level position, make measurement more accurate, first fixed bar is connected by Compress Spring with the second fixed bar, when measuring shoulder hole, when being transitioned into aperture from macropore, balance stem can enter in aperture with mobile gauge head, and be against on aperture inwall, easy to operate, measure accurately.
Preferably, the top of described fixing sleeve is provided with the screw connecting dial gauge, firm and reliable connection.
Preferably, be also provided with the round nut adjusting and measure internal diameter size scope between described measuring staff and adjusting lever, round nut can according to the actual conditions of internal diameter size, and the scope of internal diameter size is measured in adjustment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the large diameter appliance special for detecting embodiment of the utility model on circular hole class workpiece;
Fig. 2 is the schematic diagram detected in shoulder hole in the large diameter appliance special for detecting embodiment of the utility model on circular hole class workpiece.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As Fig. 1, shown in Fig. 2, large diameter appliance special for detecting on circular hole class workpiece, comprise dial gauge 1, carriage release lever 2, adjusting lever 3 and measuring staff 4, dial gauge 1 comprises sounding rod 5 and is located at the measuring head of sounding rod 5 one end, one end of measuring staff 4 is provided with fixing gauge head 6, the other end of measuring staff 4 connects adjusting lever 3, the middle part of adjusting lever 3 is provided with carriage release lever 2, one end of carriage release lever 2 is connected with volute spring 7, the other end of carriage release lever 2 connects dial gauge 1, the middle part of carriage release lever 2 is vertically provided with mobile gauge head 8, the top of measuring staff 4 is provided with the handle 9 of " ∩ " shape, measuring staff 4 and handle 9 adopt screw 10 to be connected, adjusting lever 3 is connected with stop nut 11, stop nut 11 is connected with locating sleeve 12, locating sleeve 12 is connected with fixing sleeve 13, the sounding rod 5 of dial gauge 1 runs through locating sleeve 12 and fixing sleeve 13, carriage release lever 2 runs through the sounding rod 5 that stop nut 11 connects dial gauge 1, fix and be provided with balance stem 16 between gauge head 6 and mobile gauge head 8, balance stem 16 comprises the first fixed bar and the second fixed bar, first fixed bar is connected by Compress Spring 17 with the second fixed bar, balance stem 16 is horizontally disposed with, the top of fixing sleeve 13 is provided with the screw 14 connecting dial gauge 1, round nut 15 is also provided with between measuring staff 4 and adjusting lever 3.
In the present embodiment, fixing gauge head 6 on measuring staff 4 is stuck in the side of circular-hole internal-wall, one end of carriage release lever 2 is connected with volute spring 7, the middle part of carriage release lever 2 is vertically provided with mobile gauge head 8, volute spring 7 drives mobile gauge head 8 to withstand the opposite side of circular-hole internal-wall, the small rectilinear movement of sounding rod 5 caused by measured size, be enlarged into and refer to the rotation of meter on the index dial of dial gauge 1, as everyone knows, the principle of work of dial gauge 1 is, the small rectilinear movement of sounding rod 5 that measured size is caused, amplify through gear drive, become and refer to the rotation of meter on index dial, thus read the size of measured size, dial gauge 1 utilizes rack pinion or lever-gear transmission, the straight-line displacement of sounding rod 5 is become the angular displacement of pointer, the sensitivity of visible dial gauge 1 is very high, when cubing is not measured, the position of volute spring 7 is moved the excessive dial gauge 1 that easily causes and is damaged, because adjusting lever 3 is connected with stop nut 11, stop nut 11 can prevent mobile gauge head 8 when cubing is not measured, be moved to the left excessive under the effect of volute spring 7 and damage dial gauge 1, extend the serviceable life of dial gauge 1, simultaneously, the handle 9 of " ∩ " shape is set at the top of measuring staff 4, handle 9 can make workman easy to operate when measuring, and can detect downwards along inner bore of part or groove, gather more measurement point, guarantee that measured value accurately and reliably, balance stem 16 is provided with between fixing gauge head 6 and mobile gauge head 8, and balance stem 16 is horizontally disposed with, balance stem 16 due to be with the fixing gauge head 6 at two ends and mobile gauge head 8 affixed, can guarantee that fixing gauge head 6 remains on same level position with mobile gauge head 8, make measurement more accurate, first fixed bar is connected by Compress Spring 17 with the second fixed bar, when measuring shoulder hole, when being transitioned into aperture from macropore, balance stem 16 can enter in aperture with mobile gauge head 8, and be against on aperture inwall, easy to operate, measure accurately.In addition, the top of fixing sleeve 13 is provided with the screw 14 connecting dial gauge 1, and firm and reliable connection, is also provided with round nut 15 between measuring staff 4 and adjusting lever 3, and round nut 15 can according to the actual conditions of internal diameter size, and the scope of internal diameter size is measured in adjustment.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (3)
1. the large diameter appliance special for detecting on circular hole class workpiece, comprise dial gauge, carriage release lever, adjusting lever and measuring staff, dial gauge comprises sounding rod and is located at the measuring head of sounding rod one end, one end of described measuring staff is provided with fixing gauge head, the other end of measuring staff connects adjusting lever, the middle part of adjusting lever is provided with carriage release lever, one end of carriage release lever is connected with volute spring, the other end of carriage release lever connects dial gauge, the middle part of carriage release lever is vertically provided with mobile gauge head, it is characterized in that, the top of described measuring staff is provided with handle, measuring staff and handle adopt screw to be connected, described adjusting lever is connected with stop nut, stop nut is connected with locating sleeve, locating sleeve is connected with fixing sleeve, the sounding rod of described dial gauge runs through locating sleeve and fixing sleeve, described carriage release lever runs through the sounding rod that stop nut connects described dial gauge, balance stem is provided with between described fixing gauge head and mobile gauge head, described balance stem comprises the first fixed bar and the second fixed bar, described first fixed bar is connected by Compress Spring with the second fixed bar, described balance stem is horizontally disposed with.
2. the large diameter appliance special for detecting on circular hole class workpiece as claimed in claim 1, is characterized in that, the top of described fixing sleeve is provided with the screw connecting dial gauge.
3. the large diameter appliance special for detecting on circular hole class workpiece as claimed in claim 1, is characterized in that, be also provided with the round nut adjusting and measure internal diameter size scope between described measuring staff and adjusting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641497.0U CN204154240U (en) | 2014-10-31 | 2014-10-31 | Large diameter appliance special for detecting on circular hole class workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641497.0U CN204154240U (en) | 2014-10-31 | 2014-10-31 | Large diameter appliance special for detecting on circular hole class workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204154240U true CN204154240U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641497.0U Expired - Fee Related CN204154240U (en) | 2014-10-31 | 2014-10-31 | Large diameter appliance special for detecting on circular hole class workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204154240U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953701A (en) * | 2016-06-24 | 2016-09-21 | 天津市懿峰工贸有限公司 | Special measuring tool for inner diameter of shallow inner stepped hole |
| CN106500569A (en) * | 2016-12-28 | 2017-03-15 | 岳阳大陆激光技术有限公司 | Larger diameter internal bore survey tool |
| CN106524871A (en) * | 2016-12-14 | 2017-03-22 | 江门市力泰科技有限公司 | Large-aperture plug gauge with table |
| CN110823066A (en) * | 2019-11-05 | 2020-02-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Inner cavity diameter detection device and method |
| CN113983898A (en) * | 2021-11-11 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring groove width of closed T-shaped narrow ring groove of blisk |
-
2014
- 2014-10-31 CN CN201420641497.0U patent/CN204154240U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953701A (en) * | 2016-06-24 | 2016-09-21 | 天津市懿峰工贸有限公司 | Special measuring tool for inner diameter of shallow inner stepped hole |
| CN106524871A (en) * | 2016-12-14 | 2017-03-22 | 江门市力泰科技有限公司 | Large-aperture plug gauge with table |
| CN106500569A (en) * | 2016-12-28 | 2017-03-15 | 岳阳大陆激光技术有限公司 | Larger diameter internal bore survey tool |
| CN106500569B (en) * | 2016-12-28 | 2024-03-26 | 岳阳大陆激光技术有限公司 | Major diameter hole measuring tool |
| CN110823066A (en) * | 2019-11-05 | 2020-02-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Inner cavity diameter detection device and method |
| CN113983898A (en) * | 2021-11-11 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring groove width of closed T-shaped narrow ring groove of blisk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |