CN108941645A - Self-centering chuck device - Google Patents
Self-centering chuck device Download PDFInfo
- Publication number
- CN108941645A CN108941645A CN201811111264.9A CN201811111264A CN108941645A CN 108941645 A CN108941645 A CN 108941645A CN 201811111264 A CN201811111264 A CN 201811111264A CN 108941645 A CN108941645 A CN 108941645A
- Authority
- CN
- China
- Prior art keywords
- chuck
- sleeve
- self
- movable jaw
- pipeline
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
Abstract
The invention discloses a kind of self-centering chuck devices, and including being equipped with the pipeline flanges of standard straight pipe, the chuck assembly being socketed on pipeline flanges pipeline, the chuck assembly includes positioning screw, chuck body, movable jaw；The chuck body is made of chuck and sleeve, and one end of the sleeve is socketed in outside standard straight pipe, and the other end of sleeve is connect with chuck, and the sleeve outer wall is equipped with boss；It is additionally provided with claw drive rod, the both ends of the claw drive rod are hinged with boss and movable jaw respectively；The chuck is equipped with the card slot to accommodate movable jaw；The sleeve is equipped with location hole, and the positioning screw is connect with location hole.The present apparatus uses portable design, and operation is simple and reliable, can effectively improve flowmeter installation accuracy and tong-test ammeter efficiency, meets the clamping requirement of various non-flange form flowmeters.
Description
Technical field
The present invention relates to apparatus measures fields, specifically refer to a kind of self-centering chuck device.
Background technique
Existing flow standard device pipeline generallys use bump joint, encounter using screw thread or chuck connection DN10~
Clamp decentraction when DN40 bore flowmeter, when docking is easy dislocation, does not meet JJG1029-2007 " vortex-shedding meter calibrating rule
Journey " and JJG1033-2007 " electromagnetic flowmeter vertification regulation " in clause 7.1.4.3 require " should ensure that in installation flowmeter measure
Pipeline is consistent with conduit axis direction ", clause 7.1.4.4 require " flowmeter and piping connection portion should not leaked, junction
Gasket cannot be projected into pipeline ", JJG1037-2008 " turbine flowmeter vertification regulation " and JJG1038-2008 " quality
Meter proof regulation " in clause 7.1.4.1 require " flowmeter will be co-axially mounted with front and back straight pipe, the company of test section
Socket part position should not leak, and the gasket of junction must not protrude into fluid line " etc. require, can generate unstable vortex and
The Complex Phenomena in Vertical Bell Jar such as Secondary Flow and influence calibration accuracy.Due to flowmeter connector disunity, tong-test ammeter process accessory is not complete, makes to be permitted
Multithread meter due to can not clamping connection without can be carried out calibrating.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the application is to provide a kind of self-centering chuck device, is connect with meeting screw thread
The clamping of head flowmeter needs.So that flowmeter is not protruded pipeline during the installation process, fluid when detection in pipeline is made to become as far as possible
In laminar flow.Meet in the regulations such as JJG1029-2007, JJG1033-2007, JJG1037-2008, JJG1038-2008 about stream
The requirement of meter installation.
To achieve the above object, self-centering chuck device provided by the invention, the tube method including being equipped with standard straight pipe
Blue disk, the chuck assembly being socketed on pipeline flanges pipeline, it is characterised in that: the chuck assembly includes positioning screw, card
Disk body, movable jaw；The chuck body is made of chuck and sleeve, and one end of the sleeve is socketed in outside standard straight pipe, set
The other end of cylinder is connect with chuck, and the sleeve outer wall is equipped with boss；It is additionally provided with claw drive rod, the two of the claw drive rod
It holds hinged with boss and movable jaw respectively；The chuck is equipped with the card slot to accommodate movable jaw；The sleeve is equipped with
Location hole, the positioning screw are connect with location hole.
Preferably, several chuck assemblies are arranged symmetrically in sleeve outer wall same level kernel of section.
Further, the chuck assembly is equipped with 3-6.
Further, the positioning screw is the thumb screw being fixed on sleeve with screw thread on standard straight pipe.
Further, the movable jaw is " L " type.
Further, the pawl end of the movable jaw is equipped with rubber sheet gasket.
The present invention has the advantages that the present apparatus realizes chuck to the flowmeter of threaded connection using four claws of linkage
Centering function, and claw drive rod is easy to operate, can adapt to the flowmeter of variety classes and outer diameter in a certain range, letter
Change installation operation, improves calibrating efficiency.
Detailed description of the invention
Fig. 1 is whole front view of the invention.
Fig. 2 is the axonometric drawing in claw drive rod of the present invention direction.
Fig. 3 is the axonometric drawing in movable jaw direction of the present invention.
Fig. 4 is flowmeter installation dislocation schematic diagram.
In figure: pipeline flanges 1, standard straight pipe 2, positioning screw 3, claw drive rod 4, chuck body 5, chuck 5.1, set
Cylinder 5.2, boss 5.3, card slot 5.4, location hole 5.5, movable jaw 6, rubber sheet gasket 6.0, tested flowmeter straight pipe 7.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Self-centering chuck device as shown in the figure, including being equipped with the pipeline flanges 1 of standard straight pipe 2, being socketed in pipeline
Chuck assembly on 1 pipeline of ring flange, chuck assembly include positioning screw 3, chuck body 5, movable jaw 6；Chuck body 5 is by chuck
5.1 and sleeve 5.2 form, one end of sleeve 5.2 is socketed in outside standard straight pipe 2, and the other end and chuck 5.1 of sleeve 5.2 connect
It connects, 5.2 outer wall of sleeve is equipped with boss 5.3；Be additionally provided with claw drive rod 4, the both ends of claw drive rod 4 respectively with boss 5.3 and
Movable jaw 6 is hinged；Chuck 5.1 is equipped with the card slot 5.4 to accommodate movable jaw 6；Sleeve 5.2 is equipped with location hole 5.5, fixed
Position screw rod 3 is connect with location hole 5.5.
Several chuck assemblies are arranged symmetrically in 5.2 outer wall same level kernel of section of sleeve；Chuck assembly is equipped with 3-6；
Positioning screw 3 is the thumb screw being fixed on sleeve 5.2 with screw thread on standard straight pipe 2；Movable jaw 6 is " L " type；Activity
The pawl end of claw 6 is equipped with rubber sheet gasket 6.0.
Pipeline flanges 1 are used for active card for connecting flow standard device pipeline and standard straight pipe 2, positioning screw 3
Pawl 6 clamps the positioning of the claw drive rod 4 when being detected flowmeter 7, and claw drive rod 4 is axially moved with respect to straight pipe 2, and driving is lived
Dynamic 6 radial clamping flowmeter 7 of claw, chuck body 4 are attached to washer and tested 7 connecting anti-leak water of flowmeter.
Pipeline flanges 1 can be adapted to the pipeline of existing flow standard device, and standard straight pipe 2 can according to need by stream
The configuration of the bores such as meter.Standard straight pipe 2 guarantees laminar flow shape when calibrating for connecting flow standard device and tested flowmeter
State.Chuck body 5 is four card slots 5.4 of processing on the basis of common chuck, and limitation movable jaw 6 can only be along the radial folder of chuck body 5
Tight or release pipeline.Claw drive rod 4 utilizes connecting rod, converts the radial of movable jaw 6 for the relative motion of pipeline axial direction and transports
It is dynamic.6 rear end of movable jaw is connect using connecting rod with claw drive rod 4, and the card slot 5 of middle section and chuck body 5 cooperates, the work of front end four
Dynamic claw 6 guarantees the flowmeter uniform stressed of clamping and meets centering requirement.
6 rear end of movable jaw is connect by pin with claw drive rod 4.Positioning screw 3 uses thumb screw, and stationary jaw drives
Lever 4.Claw drive rod 4 moves to suitable position by axial movement four movable jaws 6 of driving, passes through butterfly positioning screw
3 are fixed on standard straight pipe 2, complete centering and clamping to flowmeter.
Claims (6)
1. a kind of self-centering chuck device, including being equipped with the pipeline flanges (1) of standard straight pipe (2), being socketed in pipe flange
Chuck assembly on disk (1) pipeline, it is characterised in that: the chuck assembly includes positioning screw (3), chuck body (5), active card
Pawl (6)；The chuck body (5) is made of chuck (5.1) and sleeve (5.2), and one end of the sleeve (5.2) is socketed in standard straight
Outside, the other end of sleeve (5.2) is connect pipeline section (2) with chuck (5.1), and sleeve (5.2) outer wall is equipped with boss (5.3)；Also
Equipped with claw drive rod (4), the both ends of the claw drive rod (4) are hinged with boss (5.3) and movable jaw (6) respectively；Institute
Chuck (5.1) are stated equipped with the card slot (5.4) to accommodate movable jaw (6)；The sleeve (5.2) is equipped with location hole (5.5),
The positioning screw (3) connect with location hole (5.5).
2. self-centering chuck device according to claim 1, it is characterised in that: several chuck assemblies are in sleeve
(5.2) outer wall same level kernel of section is arranged symmetrically.
3. self-centering chuck device according to claim 2, it is characterised in that: the chuck assembly is equipped with 3-6.
4. self-centering chuck device described according to claim 1-3, it is characterised in that: the positioning screw (3) is with screw thread
Sleeve (5.2) is fixed on the thumb screw on standard straight pipe (2).
5. according to claim 4 or the self-centering chuck device, it is characterised in that: the movable jaw (6) is " L " type.
6. according to claim 5 or the self-centering chuck device, it is characterised in that: the pawl end of the movable jaw (6) is set
There are rubber sheet gasket (6.0).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811111264.9A CN108941645A (en) | 2018-09-22 | 2018-09-22 | Self-centering chuck device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811111264.9A CN108941645A (en) | 2018-09-22 | 2018-09-22 | Self-centering chuck device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108941645A true CN108941645A (en) | 2018-12-07 |
Family
ID=64471735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811111264.9A Pending CN108941645A (en) | 2018-09-22 | 2018-09-22 | Self-centering chuck device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108941645A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065168A (en) * | 2019-04-25 | 2019-07-30 | 冯润创 | A kind of drilling equipment for concrete punching |
| CN112097001A (en) * | 2020-08-13 | 2020-12-18 | 镇江市计量检定测试中心 | Accurate installation positioner of sonic nozzle |
| CN114658377A (en) * | 2022-03-24 | 2022-06-24 | 承德石油高等专科学校 | Well washing device for oil field production well |
Citations (7)
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|---|---|---|---|---|
| DE102006022844A1 (en) * | 2006-05-16 | 2007-12-06 | Geomed Medizin-Technik Gmbh & Co. | Article particularly endoscope, holding device, has articulated section and clamping section, and fixing medium is provided in order to fix clamping section in its respective swiveled position relative to joint section |
| EP2457729A1 (en) * | 2010-11-25 | 2012-05-30 | Esko-Graphics Imaging GmbH | Printing plate sleeve loading and unloading apparatus and method |
| CN203993185U (en) * | 2014-07-09 | 2014-12-10 | 中国神华能源股份有限公司 | A kind of turning clamp |
| CN204353965U (en) * | 2014-12-12 | 2015-05-27 | 重庆舰帏机械有限公司 | Tiller differential gear inner hole grinding fixture |
| CN106112038A (en) * | 2016-08-24 | 2016-11-16 | 北京轩宇智能科技有限公司 | Drive the moving member drive mechanism that radial direction reciprocates in mounting seat and chuck |
| CN108480665A (en) * | 2018-05-22 | 2018-09-04 | 无锡德欣达精密机械有限公司 | digital control processing lathe |
| CN209094585U (en) * | 2018-09-22 | 2019-07-12 | 武汉市计量测试检定（研究）所 | Self-centering chuck device |
-
2018
- 2018-09-22 CN CN201811111264.9A patent/CN108941645A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006022844A1 (en) * | 2006-05-16 | 2007-12-06 | Geomed Medizin-Technik Gmbh & Co. | Article particularly endoscope, holding device, has articulated section and clamping section, and fixing medium is provided in order to fix clamping section in its respective swiveled position relative to joint section |
| EP2457729A1 (en) * | 2010-11-25 | 2012-05-30 | Esko-Graphics Imaging GmbH | Printing plate sleeve loading and unloading apparatus and method |
| CN203993185U (en) * | 2014-07-09 | 2014-12-10 | 中国神华能源股份有限公司 | A kind of turning clamp |
| CN204353965U (en) * | 2014-12-12 | 2015-05-27 | 重庆舰帏机械有限公司 | Tiller differential gear inner hole grinding fixture |
| CN106112038A (en) * | 2016-08-24 | 2016-11-16 | 北京轩宇智能科技有限公司 | Drive the moving member drive mechanism that radial direction reciprocates in mounting seat and chuck |
| CN108480665A (en) * | 2018-05-22 | 2018-09-04 | 无锡德欣达精密机械有限公司 | digital control processing lathe |
| CN209094585U (en) * | 2018-09-22 | 2019-07-12 | 武汉市计量测试检定（研究）所 | Self-centering chuck device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065168A (en) * | 2019-04-25 | 2019-07-30 | 冯润创 | A kind of drilling equipment for concrete punching |
| CN110065168B (en) * | 2019-04-25 | 2020-05-05 | 冯润创 | Drilling device for concrete drilling |
| CN112097001A (en) * | 2020-08-13 | 2020-12-18 | 镇江市计量检定测试中心 | Accurate installation positioner of sonic nozzle |
| CN114658377A (en) * | 2022-03-24 | 2022-06-24 | 承德石油高等专科学校 | Well washing device for oil field production well |
| CN114658377B (en) * | 2022-03-24 | 2023-08-18 | 承德石油高等专科学校 | Well flushing device for oilfield production well |
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