CN102889956A - Shaft and hole interference fit loosening force detecting device - Google Patents
Shaft and hole interference fit loosening force detecting device Download PDFInfo
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- CN102889956A CN102889956A CN2012104087185A CN201210408718A CN102889956A CN 102889956 A CN102889956 A CN 102889956A CN 2012104087185 A CN2012104087185 A CN 2012104087185A CN 201210408718 A CN201210408718 A CN 201210408718A CN 102889956 A CN102889956 A CN 102889956A
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- hydraulic
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- hole interference
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- hydraulically extensible
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Abstract
The invention discloses a shaft and hole interference fit loosening force detecting device which comprises a hydraulic system, a rack, a workpiece fixing frame, a pressure sensor, a pressure digital display decoding instrument and a control panel, wherein the hydraulic system comprises a sealed hydraulic oil cylinder, a hydraulic pump, a pressure feed element and a hydraulic elastic rod; the hydraulic pump is fixed in the hydraulic oil cylinder and is positioned on the liquid level; a first pipeline of the hydraulic pump extends below the liquid level; a second pipeline of the hydraulic pump extends out of the hydraulic oil cylinder and is connected to the hydraulic elastic rod; one end of the pressure sensor is fixed on the hydraulic elastic rod and the other end of the pressure sensor butts against a shaft core of a to-be-measured workpiece; and one end of the pressure digital display decoding instrument is connected with the pressure sensor, and the other end of the pressure digital display decoding instrument is connected to the control panel. The shaft and hole interference fit loosening force detecting device provided by the invention has the advantages of simple structure, large application range, low cost, compact appearance, convenience in operation, direct display and the like, and the shaft and hole interference fit loosening force detecting automation is improved, the labor intensity is lowered, and the detecting efficiency is improved.
Description
Technical field
The present invention relates to a kind of pick-up unit, relate in particular to a kind of axle and hole interference assembling release force pick-up unit.
Background technology
Hole and axle are assemblied in the machine-building and often run into, and generally need to detect not produce the displacement phenomenon after hole and axle assemble under how many dynamics of thousand Ns, check thus whether meet designing requirement.Yet, existing checkout equipment more complicated, often general medium and small sized enterprises can't possess, and need to detect by special inspection center, cause like this detection difficulty that wastes time and energy of axle and hole interference assembling release force large, inefficiency.How to design a axle simple and with low cost and hole interference assembling release force pick-up unit, and the final purpose that realizes popularizing detection is the present research staff's of medium and small sized enterprises research direction.
Summary of the invention
In view of this, be necessary to provide a kind of axle simple and with low cost and hole interference assembling release force pick-up unit, the final purpose that realizes popularizing detection.
The present invention realizes like this, a kind of axle and hole interference assembling release force pick-up unit, it comprises hydraulic system, frame, workpiece holder, pressure transducer, the aobvious Decoder of number pressure and control panel, this hydraulic system comprises the hydraulic jack of sealing, hydraulic pump, forced feed spare and hydraulically extensible bar, this hydraulic pump is provided with the first pipeline and second pipe, this frame is fixed on the top of hydraulic jack, this workpiece holder is fixed on and is used for fixedly workpiece for measurement on the top of this frame, this hydraulic pump is fixed in this hydraulic jack and is positioned on the liquid level, this first pipeline extends under the liquid level, this second pipe extends in outside this hydraulic jack and is connected in this hydraulically extensible bar and is used for driving this hydraulically extensible bar, lower movement, this forced feed spare is fixed in and is used for adjusting the pressure that exports on this hydraulically extensible bar on this second pipe, one end of this pressure transducer is fixed on this hydraulically extensible bar, the other end of this pressure transducer supports the axle core of this workpiece for measurement, the axle core of this hydraulically extensible bar and this workpiece for measurement is located along the same line, one end and this pressure transducer of the aobvious Decoder of this number pressure are electrically connected, and the other end of the aobvious Decoder of this number pressure is electrically connected to control panel.
As the further improvement of such scheme, be electrically connected by four-core barrier line between the aobvious Decoder of this number pressure and this pressure transducer.
As the further improvement of such scheme, be provided with some buttons on this control panel.
Axle of the present invention and hole interference assembling release force pick-up unit, it is simple in structure, and the scope of application is large, cost is low, and compact appearance is easy to operate, the characteristics such as intuitive display have improved the robotization reduction hand labor intensity that hole and axle assembling interference release force detects, and have improved detection efficiency.
Description of drawings
Fig. 1 is the structural representation of the axle that provides of preferred embodiments of the present invention and hole interference assembling release force pick-up unit.
Main symbol description: frame 1, pressure transducer 2, the aobvious Decoder 3 of number pressure, hydraulically extensible bar 4, forced feed spare 5, hydraulic pump 6, button 7, workpiece holder 8, workpiece for measurement 9, hydraulic jack 10, axle core 11, electronical display window 12, control panel 13, the first pipeline 14, second pipe 15, four-core barrier line 16.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1, the axle that preferred embodiments of the present invention provides and hole interference assembling release force pick-up unit comprise hydraulic system, frame 1, workpiece holder 8, pressure transducer 2, the aobvious Decoder 3 of number pressure and control panel 13.This hydraulic system comprises hydraulic jack 10, hydraulic pump 6, forced feed spare 5 and the hydraulically extensible bar 4 of sealing.This hydraulic pump is provided with the first pipeline 14 and second pipe 15.
This frame 1 is fixed on the top of hydraulic jack 10, and this workpiece holder 8 is fixed on and is used for fixedly workpiece for measurement 9 on the top of this frame 1.This hydraulic pump 6 is fixed in this hydraulic jack 10 and is positioned on the liquid level, and this first pipeline 14 extends under the liquid level, and this second pipe 15 extends in outside this hydraulic jack 10 and is connected in this hydraulically extensible bar 4 and moves up and down for driving this hydraulically extensible bar 4.This forced feed spare 5 is fixed on this second pipe 15 and is used for adjusting the pressure that exports on this hydraulically extensible bar 4, one end of this pressure transducer 2 is fixed on this hydraulically extensible bar 4, the other end of this pressure transducer 2 supports the axle core 11 of this workpiece for measurement 9, and this hydraulically extensible bar 4 is located along the same line with the axle core 11 of this workpiece for measurement 9.One end of the aobvious Decoder 3 of this number pressure and this pressure transducer 2 are electrically connected, and the other end of the aobvious Decoder 3 of this number pressure is electrically connected to control panel 13, and the aobvious Decoder 3 of number pressure is provided with electronical display window 12.Be electrically connected by four-core barrier line 16 between the aobvious Decoder 3 of this number pressure and this pressure transducer 2, prevent that external magnetic field from disturbing.Being provided with some buttons 7 on this control panel 13, is starting switch and the button that makes progress in the present embodiment.
Axle of the present invention and hole interference assembling release force pick-up unit, its scheme is easy and simple to handle, plugged, press starting switch and make hydraulic pump 6 normal operations, workpiece for measurement 9 is fixed on the work fixed mount 8, and so that the axle core 11 of workpiece for measurement 9 faces this pressure transducer 2, and the axle core 11 of this hydraulically extensible bar 4 and this workpiece for measurement 9 is located along the same line, preferably, the axle core 11 of workpiece for measurement 9 is held in pressure transducer 2.
By the button that makes progress, adjust certain pressure by forced feed spare 5, forcing hydraulically extensible bar 4 to drive pressure transducer 2 exerts oneself to the axle core 11 of workpiece for measurement 9, firmly can show at the electronical display window 12 of the aobvious Decoder 3 of number pressure and need not to convert, workpiece for measurement 9 is reached under the strength of designing requirement do not produced displacement just, detect and finish to reset upwards button, the hydraulically extensible bar resets, and takes off workpiece for measurement 9.
Axle of the present invention and hole interference assembling release force pick-up unit, it is simple in structure, and the scope of application is large, cost is low, and compact appearance is easy to operate, the characteristics such as intuitive display have improved the robotization reduction hand labor intensity that hole and axle assembling interference release force detects, and have improved detection efficiency.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an axle and hole interference assembling release force pick-up unit, it is characterized in that, it comprises hydraulic system, frame, workpiece holder, pressure transducer, the aobvious Decoder of number pressure and control panel, this hydraulic system comprises the hydraulic jack of sealing, hydraulic pump, forced feed spare and hydraulically extensible bar, this hydraulic pump is provided with the first pipeline and second pipe, this frame is fixed on the top of hydraulic jack, this workpiece holder is fixed on and is used for fixedly workpiece for measurement on the top of this frame, this hydraulic pump is fixed in this hydraulic jack and is positioned on the liquid level, this first pipeline extends under the liquid level, this second pipe extends in outside this hydraulic jack and is connected in this hydraulically extensible bar and is used for driving this hydraulically extensible bar, lower movement, this forced feed spare is fixed in and is used for adjusting the pressure that exports on this hydraulically extensible bar on this second pipe, one end of this pressure transducer is fixed on this hydraulically extensible bar, the other end of this pressure transducer supports the axle core of this workpiece for measurement, the axle core of this hydraulically extensible bar and this workpiece for measurement is located along the same line, one end and this pressure transducer of the aobvious Decoder of this number pressure are electrically connected, and the other end of the aobvious Decoder of this number pressure is electrically connected to control panel.
2. axle as claimed in claim 1 and hole interference assembling release force pick-up unit is characterized in that, is electrically connected by four-core barrier line between the aobvious Decoder of this number pressure and this pressure transducer.
3. axle as claimed in claim 1 and hole interference assembling release force pick-up unit is characterized in that, is provided with some buttons on this control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104087185A CN102889956A (en) | 2012-10-24 | 2012-10-24 | Shaft and hole interference fit loosening force detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104087185A CN102889956A (en) | 2012-10-24 | 2012-10-24 | Shaft and hole interference fit loosening force detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102889956A true CN102889956A (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104087185A Pending CN102889956A (en) | 2012-10-24 | 2012-10-24 | Shaft and hole interference fit loosening force detecting device |
Country Status (1)
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| CN (1) | CN102889956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706347A (en) * | 2017-01-16 | 2017-05-24 | 株洲时代新材料科技股份有限公司 | Interference force detection method and interference force detection device for torsion bar assembly |
| CN108760149A (en) * | 2018-05-22 | 2018-11-06 | 天津普天单向器有限公司 | From de- power calibration equipment and method of calibration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537877A (en) * | 1995-09-20 | 1996-07-23 | Frank Hsu | Torsion wrench with display unit for displaying torsion force limit thereon |
| CN2506387Y (en) * | 2001-09-24 | 2002-08-21 | 上海柴油机股份有限公司 | Interference fit pressure sensing measurer for machinery part |
| CN201293697Y (en) * | 2008-11-13 | 2009-08-19 | 湘电风能有限公司 | Detection device for bolt pretightening force |
| CN201673002U (en) * | 2010-06-13 | 2010-12-15 | 湘电风能有限公司 | Multi-cylinder type screw bolt pretightening force detecting device |
| CN202853825U (en) * | 2012-10-24 | 2013-04-03 | 滁州市庆福机电制造有限公司 | Shaft and aperture interference assembling loosening force detection apparatus |
-
2012
- 2012-10-24 CN CN2012104087185A patent/CN102889956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537877A (en) * | 1995-09-20 | 1996-07-23 | Frank Hsu | Torsion wrench with display unit for displaying torsion force limit thereon |
| CN2506387Y (en) * | 2001-09-24 | 2002-08-21 | 上海柴油机股份有限公司 | Interference fit pressure sensing measurer for machinery part |
| CN201293697Y (en) * | 2008-11-13 | 2009-08-19 | 湘电风能有限公司 | Detection device for bolt pretightening force |
| CN201673002U (en) * | 2010-06-13 | 2010-12-15 | 湘电风能有限公司 | Multi-cylinder type screw bolt pretightening force detecting device |
| CN202853825U (en) * | 2012-10-24 | 2013-04-03 | 滁州市庆福机电制造有限公司 | Shaft and aperture interference assembling loosening force detection apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706347A (en) * | 2017-01-16 | 2017-05-24 | 株洲时代新材料科技股份有限公司 | Interference force detection method and interference force detection device for torsion bar assembly |
| CN106706347B (en) * | 2017-01-16 | 2018-11-02 | 株洲时代新材料科技股份有限公司 | Interference power detection method and interference force checking device for torsion bar component |
| CN108760149A (en) * | 2018-05-22 | 2018-11-06 | 天津普天单向器有限公司 | From de- power calibration equipment and method of calibration |
| CN108760149B (en) * | 2018-05-22 | 2023-10-10 | 天津普天单向器有限公司 | Release force calibration device and calibration method |
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Application publication date: 20130123 |