CN106959065B - Pressure type bolt elongation measuring scale - Google Patents
Pressure type bolt elongation measuring scale Download PDFInfo
- Publication number
- CN106959065B CN106959065B CN201710341620.5A CN201710341620A CN106959065B CN 106959065 B CN106959065 B CN 106959065B CN 201710341620 A CN201710341620 A CN 201710341620A CN 106959065 B CN106959065 B CN 106959065B
- Authority
- CN
- China
- Prior art keywords
- measuring
- sleeve
- gear
- main pipe
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
The invention discloses a pressure type bolt elongation measuring scale, which comprises a hollow sleeve, wherein a gear is arranged in the lower end of the sleeve, the gear is driven to rotate by a rotary rod in the sleeve, at least one telescopic rack is connected to the gear in a meshed manner, a through hole which is convenient for the telescopic rack to enter and exit is formed in the side wall of the lower end of the sleeve opposite to the telescopic rack, a measuring pressing plate capable of vertically displacing is connected with a measuring scale sleeve at the upper end of the sleeve, and a compression spring is arranged between the measuring pressing plate and the measuring scale sleeve so as to facilitate the vertical pre-tightening displacement of the measuring pressing plate along the measuring scale sleeve; the invention aims to provide a pressure type bolt elongation measuring ruler, which improves measuring precision and is convenient and quick to use.
Description
Technical Field
The invention relates to a pressure type bolt elongation measuring scale.
Background
At present, the existing bolt elongation measuring scale is used for measuring by hooking the bolt by a human hand, and the force of the human hand for hooking the measuring scale is different every time, so that the measured data cannot be ensured to be consistent every time, and the measuring precision is affected.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a pressure type bolt elongation measuring ruler.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a pressure type bolt elongation dipperstick, includes hollow sleeve, be provided with the gear in the sleeve lower extreme, the gear is rotated by the rotary rod drive in the sleeve, the meshing is connected with at least one flexible rack on the gear, sleeve lower extreme with be provided with the through-hole that makes things convenient for flexible rack to advance, go out on the lateral wall that flexible rack is relative, sleeve upper end connection measuring tape sleeve pipe is provided with the measuring clamp plate that can reciprocate, be provided with compression spring between measuring clamp plate and the measuring tape main pipe so that measuring clamp plate is followed the direction pretension displacement about the sleeve; and a displacement measuring tool for measuring the vertical displacement distance of the measuring pressure plate is arranged at one side end of the main pipe of the measuring ruler above the measuring pressure plate.
Further, the sleeve comprises a measuring tape sleeve and a measuring tape main pipe from bottom to top in sequence, the sleeve is connected with the lower end of the measuring tape sleeve through a joint, the upper end of the measuring tape sleeve is connected with the lower end of the measuring tape main pipe, the measuring press plate is arranged on the measuring tape main pipe and is close to the lower end, the compression spring is arranged between the measuring tape main pipe and the measuring press plate, and the lower end of the compression spring presses the measuring press plate and the upper end of the compression spring props against the bulge of the measuring tape main pipe.
Further, the displacement measuring tool is connected to the main pipe of the measuring scale in an inserting mode.
Further, the displacement measuring tool is a depth micrometer.
Further, the rotary rod comprises a gear connecting rod and a connecting rod, the gear connecting rod is located in the sleeve, the lower end of the gear connecting rod is connected with the gear, the upper end of the gear connecting rod penetrates through the connector to extend into the measuring tape sleeve and is detachably and fixedly connected with the lower end of the connecting rod, and the upper end of the connecting rod sequentially penetrates through the measuring tape sleeve and the measuring tape main pipe and then is fixedly connected with the rotary cap.
Further, 2 telescopic racks are connected to the gear in a meshed mode.
Further, 2 telescopic racks are symmetrically meshed with two ends of the gear.
Further, the lower end of the sleeve is provided with a sealing cover.
Further, a spring is sleeved on the gear connecting rod, the lower end of the spring presses the gear connecting rod, the upper end of the spring props against the joint, a positioning block is arranged at the lower end of the rotary cap, and a clamping groove matched with the positioning block of the rotary cap is formed in the upper end of the main pipe of the measuring tape.
Compared with the prior art, the invention has the beneficial technical effects that: the measuring ruler stretches into the bottom in the bolt hole, the rotary rod is rotated, the telescopic rack stretches out to hook the plane of the bottom of the bolt, the measuring pressing plate is pressed on the bolt by the spring by loosening hands, the height of the pressing plate is measured by using the displacement measuring tool, the height value after the bolt is hot and tightly subtracted by the height value before the bolt is hot and tightly, the height value is the value of the length extension of the bolt, and the pressure of the pressing plate pressed by the spring is consistent due to the fact that the measuring method is rapid and convenient, and the measured value is accurate and free of deviation.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of the structure of a pressure type bolt elongation measuring scale of the present invention;
FIG. 2 is a schematic diagram of A-A;
fig. 3 is an extended state diagram of fig. 2.
Reference numerals illustrate: 1-rotating the cap; 2-connecting rods; 3-a main pipe of the measuring scale; 4-a depth micrometer; 5-compressing a spring; 6-a measuring tape pressing plate; 7-a measuring tape sleeve; 8-linker; 9-a gear connecting rod; 10-springs; 11-a sleeve; 12-gear; 13-telescoping racks; 14-capping.
Detailed Description
As shown in fig. 1-3, a pressure type bolt elongation measuring scale comprises a hollow sleeve, wherein the sleeve 11 sequentially comprises a measuring scale sleeve 7 and a measuring scale main pipe 3 from bottom to top, the sleeve 11 is connected with the lower end of the measuring scale sleeve 7 through a joint 8, the upper end of the measuring scale sleeve 7 is connected with the lower end of the measuring scale main pipe 3, a measuring pressure plate 6 is arranged at the position, close to the lower end, of the measuring scale main pipe 3, a compression spring 5 is sleeved on the measuring scale main pipe 3 and is positioned between the measuring scale main pipe 3 and the measuring pressure plate 6, the lower end of the compression spring 5 presses the measuring pressure plate 6, the upper end of the compression spring props against the bulge of the measuring scale main pipe 3 so that the measuring pressure plate 6 can be in pre-tightening displacement along the upper and lower ends of the measuring scale main pipe 3, a depth micrometer 4 for measuring the upper and lower displacement distance of the measuring pressure plate 6 is arranged at one side end of the bulge of the measuring scale main pipe 3, a gear 12 is arranged in the sleeve 11, the gear 12 is driven by a gear 9 in the sleeve 11 to rotate, the upper end of the gear 9 is sleeved on the measuring pressure plate 8 and can penetrate through the joint 7 and penetrates through the sleeve 7 to the lower end of the measuring scale main pipe 3 to be connected with the connecting rod 2 in turn, and the connecting rod 2 is connected with the measuring scale main pipe 2 in a detachable mode; the gear is connected with 2 telescopic racks 13 in a meshed mode, 2 telescopic racks 13 are symmetrically meshed with two ends of the gear 12, and through holes which are convenient for the telescopic racks to enter and exit are formed in the side walls, opposite to the telescopic racks 13, of the lower end of the sleeve 11.
The lower end of the sleeve 11 is provided with a cover 14.
The gear connecting rod 9 is sleeved with a spring 10, the lower end of the spring 10 presses against the reducing bulge on the gear connecting rod 9, the upper end of the spring supports against the lower end of the joint 8, the lower end of the rotary cap 1 is provided with a positioning block, the upper end of the main pipe 3 of the measuring tape is provided with a clamping groove matched with the positioning block of the rotary cap, and the spring 10 can apply a certain upper and lower distance pulling force to the rotary cap 1, so that the positioning block of the rotary cap 1 can be clamped into the clamping groove at the upper end of the main pipe 3 of the measuring tape to prevent the rotary cap 1 from rotating randomly.
The action process of the invention is as follows:
the measuring scale is extended into the bottom of the bolt hole, the rotary cap 1 is rotated, the telescopic rack 13 is fully extended, the plane of the bottom of the bolt is hooked, the measuring pressure plate 6 is pressed on the bolt by loosening hands, the depth micrometer 4 is rotated, the height of the pressure plate 6 is measured, and the value of the height of the bolt after hot tightening is subtracted from the value of the height of the bolt before hot tightening, which is the value of the length extension of the bolt;
the measuring main pipe 3 is held by hands and pressed downwards, the rotary cap 1 is lifted and rotated, the telescopic rack 13 is completely retracted, the measuring ruler is taken out, and the measuring work is completed.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (5)
1. A pressure type bolt elongation dipperstick, its characterized in that: the telescopic ruler comprises a hollow sleeve, wherein a gear is arranged in the lower end of the sleeve and driven to rotate by a rotary rod in the sleeve, at least one telescopic rack is connected to the gear in a meshed manner, a through hole which is convenient for the telescopic rack to enter and exit is formed in the side wall of the lower end of the sleeve opposite to the telescopic rack, a measuring pressing plate which can vertically displace is connected with a measuring ruler sleeve at the upper end of the sleeve, and a compression spring is arranged between the measuring pressing plate and the measuring ruler sleeve so that the measuring pressing plate can vertically pretension and displace along the measuring ruler sleeve;
a displacement measuring tool for measuring the vertical displacement distance of the measuring pressure plate is arranged at one side end of the main pipe of the measuring ruler above the measuring pressure plate; the sleeve sequentially comprises a measuring tape sleeve and a measuring tape main pipe from bottom to top, the sleeve is connected with the lower end of the measuring tape sleeve through a connector, the upper end of the measuring tape sleeve is connected with the lower end of the measuring tape main pipe, the measuring pressure plate is arranged on the measuring tape main pipe and is close to the lower end, the compression spring is arranged on the measuring tape sleeve and is positioned between the measuring tape main pipe and the measuring pressure plate, and the lower end of the compression spring presses the measuring pressure plate and the upper end of the compression spring props against the bulge of the measuring tape main pipe;
the rotary rod comprises a gear connecting rod and a connecting rod, the gear connecting rod is positioned in the sleeve, the lower end of the gear connecting rod is connected with a gear, the upper end of the gear connecting rod penetrates through the connector to extend into the measuring tape sleeve and is detachably and fixedly connected with the lower end of the connecting rod, and the upper end of the connecting rod sequentially penetrates through the measuring tape sleeve and the measuring tape main pipe and is fixedly connected with the rotary cap; the gear connecting rod is sleeved with a spring, the lower end of the spring presses the gear connecting rod, the upper end of the spring props against the joint, the lower end of the rotary cap is provided with a positioning block, and the upper end of the main pipe of the measuring tape is provided with a clamping groove matched with the positioning block of the rotary cap; the displacement measuring tool is connected to the main pipe of the measuring scale in an inserting mode.
2. The pressure type bolt elongation measuring scale according to claim 1, wherein: the displacement measuring tool is a depth micrometer.
3. The pressure type bolt elongation measuring scale according to claim 1, wherein: and 2 telescopic racks are connected to the sleeve internal gear in a meshed manner.
4. A pressure bolt elongation measuring scale according to claim 3, wherein: the 2 telescopic racks are symmetrically meshed with two ends of the gear.
5. The pressure type bolt elongation measuring scale according to claim 1, wherein: the lower end of the sleeve is provided with a sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341620.5A CN106959065B (en) | 2017-05-16 | 2017-05-16 | Pressure type bolt elongation measuring scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341620.5A CN106959065B (en) | 2017-05-16 | 2017-05-16 | Pressure type bolt elongation measuring scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106959065A CN106959065A (en) | 2017-07-18 |
| CN106959065B true CN106959065B (en) | 2023-09-26 |
Family
ID=59482551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710341620.5A Active CN106959065B (en) | 2017-05-16 | 2017-05-16 | Pressure type bolt elongation measuring scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106959065B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959065B (en) * | 2017-05-16 | 2023-09-26 | 保定先奇电力设备技术有限公司 | Pressure type bolt elongation measuring scale |
| CN108931176A (en) * | 2018-07-27 | 2018-12-04 | 潘锐 | A kind of high accuracy depth detection device |
| CN111521095A (en) * | 2020-04-30 | 2020-08-11 | 江苏省建筑工程集团有限公司 | Novel location muscle detects device |
| CN111811364A (en) * | 2020-07-06 | 2020-10-23 | 江苏核电有限公司 | Tool and method for measuring bolt elongation of high-pressure cylinder of steam turbine |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308666A (en) * | 1978-07-21 | 1982-01-05 | Ernst Leitz Wetzlar Gmbh | Linear micrometer |
| CN2729320Y (en) * | 2004-09-22 | 2005-09-28 | 郭泉生 | Electric barring gear used for repairing generating set |
| CN201104198Y (en) * | 2007-09-04 | 2008-08-20 | 哈尔滨量具刃具集团有限责任公司 | Pinion fast locating and clamping mechanism |
| CN201688802U (en) * | 2010-06-01 | 2010-12-29 | 谭志 | Tool for measuring pre-elongation quantity of cylinder special-purpose screw bolt |
| CN102261882A (en) * | 2011-04-22 | 2011-11-30 | 合肥工业大学 | Six-claw double-measurement-position internal diameter measuring instrument |
| CN202240906U (en) * | 2011-09-28 | 2012-05-30 | 东北林业大学 | On-line dressing device for electric spark formed grinding wheel |
| CN203132447U (en) * | 2013-03-04 | 2013-08-14 | 哈尔滨理工大学 | Common normal micrometer for measuring parameters of face gear |
| CN203224182U (en) * | 2013-05-13 | 2013-10-02 | 河北新兴铸管有限公司 | Inner diameter measuring scale |
| CN103398648A (en) * | 2013-08-20 | 2013-11-20 | 国家电网公司 | Universal measuring device |
| CN203772190U (en) * | 2014-04-03 | 2014-08-13 | 内蒙古第一机械集团有限公司 | Precision measurement device for holes with large diameters and small depths |
| JP3200085U (en) * | 2015-07-14 | 2015-10-01 | 東日本電気エンジニアリング株式会社 | Measuring tool for horizontal displacement of overhead wire |
| CN105257452A (en) * | 2015-09-01 | 2016-01-20 | 保定先奇电力设备技术有限公司 | Electric mechanical barring for water turbine |
| CN205981086U (en) * | 2016-08-30 | 2017-02-22 | 三门峡中原量仪股份有限公司 | Utensil is examined to high accuracy screw rod measurement over pins |
| CN106643422A (en) * | 2016-11-28 | 2017-05-10 | 国网北京市电力公司 | Cable measuring device |
| CN106959065A (en) * | 2017-05-16 | 2017-07-18 | 保定先奇电力设备技术有限公司 | A kind of pressure type bolt elongate measuring scale |
-
2017
- 2017-05-16 CN CN201710341620.5A patent/CN106959065B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308666A (en) * | 1978-07-21 | 1982-01-05 | Ernst Leitz Wetzlar Gmbh | Linear micrometer |
| CN2729320Y (en) * | 2004-09-22 | 2005-09-28 | 郭泉生 | Electric barring gear used for repairing generating set |
| CN201104198Y (en) * | 2007-09-04 | 2008-08-20 | 哈尔滨量具刃具集团有限责任公司 | Pinion fast locating and clamping mechanism |
| CN201688802U (en) * | 2010-06-01 | 2010-12-29 | 谭志 | Tool for measuring pre-elongation quantity of cylinder special-purpose screw bolt |
| CN102261882A (en) * | 2011-04-22 | 2011-11-30 | 合肥工业大学 | Six-claw double-measurement-position internal diameter measuring instrument |
| CN202240906U (en) * | 2011-09-28 | 2012-05-30 | 东北林业大学 | On-line dressing device for electric spark formed grinding wheel |
| CN203132447U (en) * | 2013-03-04 | 2013-08-14 | 哈尔滨理工大学 | Common normal micrometer for measuring parameters of face gear |
| CN203224182U (en) * | 2013-05-13 | 2013-10-02 | 河北新兴铸管有限公司 | Inner diameter measuring scale |
| CN103398648A (en) * | 2013-08-20 | 2013-11-20 | 国家电网公司 | Universal measuring device |
| CN203772190U (en) * | 2014-04-03 | 2014-08-13 | 内蒙古第一机械集团有限公司 | Precision measurement device for holes with large diameters and small depths |
| JP3200085U (en) * | 2015-07-14 | 2015-10-01 | 東日本電気エンジニアリング株式会社 | Measuring tool for horizontal displacement of overhead wire |
| CN105257452A (en) * | 2015-09-01 | 2016-01-20 | 保定先奇电力设备技术有限公司 | Electric mechanical barring for water turbine |
| CN205981086U (en) * | 2016-08-30 | 2017-02-22 | 三门峡中原量仪股份有限公司 | Utensil is examined to high accuracy screw rod measurement over pins |
| CN106643422A (en) * | 2016-11-28 | 2017-05-10 | 国网北京市电力公司 | Cable measuring device |
| CN106959065A (en) * | 2017-05-16 | 2017-07-18 | 保定先奇电力设备技术有限公司 | A kind of pressure type bolt elongate measuring scale |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106959065A (en) | 2017-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106959065B (en) | Pressure type bolt elongation measuring scale | |
| CN203541169U (en) | Device for straightening homemade profiles | |
| CN106697587B (en) | Teaching appliance arranging apparatus with buffer structure | |
| CN205599707U (en) | Pipe fitting straightening orthotic devices | |
| CN208592564U (en) | A kind of press fitting pin shaft device | |
| CN206588178U (en) | A kind of bending limit clamp | |
| CN212844205U (en) | Photoelectric integrated box sealing performance testing device | |
| CN208592302U (en) | A kind of steel strand tensile tests wrapping strips stamping die | |
| CN210888840U (en) | Stabilizer with adjustable pressurization | |
| CN204295342U (en) | A kind of sawing machine clamping device | |
| CN206703377U (en) | A kind of product apparatus for correcting | |
| CN206683542U (en) | A kind of pressure type bolt elongate measuring scale | |
| CN204866931U (en) | Fossil fragments straightening machine | |
| CN203390011U (en) | Metal bar bending machine | |
| CN208615066U (en) | A kind of suction piece device for special-shaped glass drilling machine | |
| CN207723275U (en) | Work bench of punch press | |
| CN204575437U (en) | Presstressed reinforcing steel and/or intermediate plate hardness test mould | |
| CN217500344U (en) | Anti-exposure to sun type building engineering foundation pile detection device | |
| CN209598735U (en) | A kind of drilling tool for hydraulic support cylinder barrel | |
| CN207424146U (en) | A kind of false pressure test position fix gauge | |
| CN205300928U (en) | Assistant ball screw reprocesses life proof machine | |
| CN203831529U (en) | Yard nail machine pressing block | |
| CN203742148U (en) | Telescopic scaffold floor fixing device | |
| CN213167135U (en) | Hole pricking device of bag making machine | |
| CN210623947U (en) | Stable base for electronic engineering sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |