CN105241354A - Hand-cranking high-precision spherical core roundness error detection device - Google Patents

Hand-cranking high-precision spherical core roundness error detection device Download PDF

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Publication number
CN105241354A
CN105241354A CN201510555277.5A CN201510555277A CN105241354A CN 105241354 A CN105241354 A CN 105241354A CN 201510555277 A CN201510555277 A CN 201510555277A CN 105241354 A CN105241354 A CN 105241354A
Authority
CN
China
Prior art keywords
pedestal
ball core
rotating shaft
hand
bearing
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
Application number
CN201510555277.5A
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Chinese (zh)
Inventor
马玉山
常占东
周永兴
赵文宝
季兆昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuzhong Instrument Co Ltd
Original Assignee
Wuzhong Instrument Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuzhong Instrument Co Ltd filed Critical Wuzhong Instrument Co Ltd
Priority to CN201510555277.5A priority Critical patent/CN105241354A/en
Publication of CN105241354A publication Critical patent/CN105241354A/en
Pending legal-status Critical Current

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Abstract

The invention provides a hand-cranking high-precision spherical core roundness error detection device comprising a pedestal of which the internal part is provided with a cavity, a rotating device which is arranged on the pedestal, and a measuring device which is used for measuring spherical core roundness. The measuring device is fixed on the pedestal and positioned at one side of the rotating device. The rotating device drives a spherical core to rotate in measurement, the measuring device is contacted with the spherical surface of the spherical core, and measuring direction of the measuring device is perpendicular to the spherical surface of the spherical core. According to the hand-cranking high-precision spherical core roundness error detection device, the spherical core is driven to rotate by the hand-cranking device, and the roundness value of different positions of the spherical core can be obtained by adjusting the position of the measuring device so that processing precision of the spherical core can be judged. The hand-cranking high-precision spherical core roundness error detection device is easy to operate, accurate in measurement, high in precision and high in detection efficiency.

Description

Hand-rail type high-precise ball core deviation from circular from pick-up unit
Technical field
The present invention relates to ball valve ball core Indexs measure technical field, particularly relate to a kind of hand-rail type high-precise ball core deviation from circular from pick-up unit.
Background technology
Because of ball valve product, each all will do corresponding leakage rate detection experiment, and ball core is as the vital part in ball valve, and the quality of its quality will directly affect the quality of whole ball valve, and therefore, the detection of ball core is the key during whole ball valve detects.Existing ball core requires that the circularity of spheroid will in certain margin tolerance, that is the circularity at ball core arbitrary section place must meet design requirement, conventional measuring means cannot meet the requirement of testing accuracy, and therefore, the inspection of ball core will directly affect the qualification rate of final products.
In existing detection method, one directly can draw deviation from circular from miking diverse location place ball core diameter, and this method of inspection can only obtain the deviation from circular from of ball core maximum gauge and measuring error is comparatively large, cannot realize the roundness measurement at arbitrary section circle place; Another kind utilizes three-coordinates measuring machine to detect, although accuracy of detection is high, but the operating personnel of three-coordinates measuring machine need could on dutyly to test through special training, higher to the requirement of personnel, and three-coordinates measuring machine alignment step is more loaded down with trivial details, complete single part longer for proving time, detection efficiency is low, cannot meet the detection demand of part in enormous quantities, and equipment cost is high cannot popularize.
Summary of the invention
Technical matters to be solved by this invention is: in order to overcome deficiency of the prior art, and in conjunction with the feature of tested part itself, the invention provides a kind of hand-rail type high-precise ball core deviation from circular from pick-up unit, solve the low technical matters low with precision of roundness measurement efficiency of ball core.
The present invention solves the technical scheme that its technical matters will adopt: a kind of hand-rail type high-precise ball core deviation from circular from pick-up unit, comprise pedestal, be arranged on the whirligig on pedestal and the measurement mechanism for measuring ball core circularity, described measurement mechanism is fixed on described pedestal, and be positioned at the side of described whirligig, during measurement, described whirligig drives ball core to horizontally rotate, the sphere-contact of described measurement mechanism and described ball core, and the direction of measurement of described measurement mechanism is crossing with the rotational axis vertical of described ball core.Drive ball core to rotate by manual setter, the position of adjustment measurement mechanism can obtain the circularities at ball core diverse location place, thus judges the machining precision of ball core, and simple to operate, measurement is accurate, precision is high.
Further, described whirligig comprises the handwheel be arranged on pedestal, gear train and rotating disc, is provided with cavity in described pedestal, and described gear train is placed in described cavity, described handwheel is connected with described gear train, and described gear train is connected with described rotating disc.The rotation of handwheel in vertical plane is converted into the rotation of rotating disc in surface level by gear train, realizes the transmission of moment of torsion, and gear train is arranged on base interior can available protecting gear train, ensures that the transmission of gear train is not by ectocine, tailored appearance.
Further, described rotating disc upper end is provided with conical disc mouth, and described conical disc mouth lower end is provided with the first rotating shaft and the second rotating shaft successively, and described conical disc mouth is positioned at the upper end of described pedestal, and described first rotating shaft and the second rotating shaft are positioned at the cavity of described pedestal.Conical disc mouth is conducive to the placement of ball core with fixing, prevents the landing in rotation process of ball core.
Further, described gear train comprises bevel pinion, bevel gear wheel, clutch shaft bearing and the second bearing, described bevel pinion is connected with described handwheel, described bevel gear wheel is fixedly connected in described second rotating shaft, and described bevel pinion engages with described bevel gear wheel, described second bearing is arranged on the bottom of described pedestal, described second rotating shaft lower end is connected with described pedestal by described second bearing, the inwall of described pedestal upper end is provided with bearing seat, described clutch shaft bearing is placed in described bearing seat upper end, and described first rotating shaft upper end is connected with described pedestal by described clutch shaft bearing.The direction of transfer of moment of torsion can be changed by bevel gear drive, make the rotation of vertical direction change the rotation of horizontal direction into, achieve gear reduction simultaneously, can ensure that rotating disc is stable and rotate, obtain higher measuring accuracy.
Further, for the ease of the installation of bearing and gear wheel, the external diameter of described first rotating shaft is greater than the external diameter of described second rotating shaft.
Further, in order to improve the performance and prevent rotating disc face runout of weighing of pick-up unit, described gear train also comprises end face bearing, and described end face bearing is arranged on the lower end of described first rotating shaft, and described end face bearing is between described clutch shaft bearing and bearing seat.End face bearing can increase size bevel gear drive, eliminates hand rotation rotating disc to the impact of accuracy of detection.
Further, in order to realize hand rotary, adopt handwheel as power intake, described handwheel comprises handle, wheel disc and rotating shaft, the edge conjunction of described handle and described wheel disc, described rotating shaft one end is connected with the center of described wheel disc, and the other end of described rotating shaft and the sidewall of described pedestal are rotationally connected, and extend to the inside of described pedestal.
Further, described measurement mechanism comprises support with adjustable and clock gauge, and described clock gauge and described support with adjustable removably connect, and during measurement, the gauge head of described clock gauge is crossing with the rotational axis vertical of described ball core.
Concrete, in order to realize the fixing of clock gauge, described support with adjustable is magnetic stand.Conventional magnetic stand is adopted to be fixed adjustment, simple to operate, lower to operating personnel's level requirement, easily realize.
Further, the lateral wall of described pedestal is provided with pallet, and described measurement mechanism is placed on described pallet.Measurement mechanism is fixedly connected with pedestal, relative motion between measurement mechanism and pedestal can be effectively reduced and the measuring error brought.
The invention has the beneficial effects as follows: a kind of hand-rail type high-precise ball core deviation from circular from pick-up unit provided by the invention, ball core is driven to rotate by manual setter, the position of adjustment measurement mechanism can obtain the circularities at ball core diverse location place, thus judge the machining precision of ball core, simple to operate, measurement accurately, precision is high, detection efficiency is high, and accuracy of detection can reach 0.001mm; Adopt end face bearing can improve the performance and prevent rotating disc face runout of weighing of pick-up unit, also can increase size bevel gear drive, eliminate hand rotation rotating disc to the impact of accuracy of detection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of most preferred embodiment of the present invention.
In figure: 1, pedestal, 2, ball core, 3, handwheel, 31, handle, 32, wheel disc, 33, handwheel rotating shaft, 4, rotating disc, 41, conical disc mouth, the 42, first rotating shaft, the 43, second rotating shaft, 5, bevel pinion, 6, bevel gear wheel, 7, clutch shaft bearing, 8, the second bearing, 9, end face bearing, 10, bearing seat, 11, clock gauge, 12, magnetic stand, 13, pallet.
Embodiment
The present invention is described in detail by reference to the accompanying drawings now.This figure is the schematic diagram simplified, and only basic structure of the present invention is described in a schematic way, therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of hand-rail type high-precise ball core deviation from circular from pick-up unit of the present invention, comprise pedestal 1, pedestal 1 inside is provided with cavity, is arranged on the whirligig on pedestal 1 and the measurement mechanism for measuring ball core 2 circularity, measurement mechanism is fixed on 1 pedestal, and being positioned at the side of whirligig, during measurement, whirligig drives ball core 2 to horizontally rotate, the sphere-contact of measurement mechanism and ball core 2, and the direction of measurement of measurement mechanism is crossing with the rotational axis vertical of ball core 2.
Whirligig comprises manual hand wheels 3, gear train and the rotating disc 4 be arranged on pedestal 1, handwheel 3 comprises handle 31, wheel disc 32 and handwheel rotating shaft 33, the edge conjunction of handle 31 and wheel disc 32, handwheel rotating shaft 33 one end is connected with the center of wheel disc 32, the other end of handwheel rotating shaft 33 and the sidewall of pedestal 1 are rotationally connected, and extend to the inside of pedestal 1, rotating disc 4 upper end is provided with conical disc mouth 41, conical disc mouth 41 lower end is provided with the first rotating shaft 42 and the second rotating shaft 43 successively, conical disc mouth 41 is positioned at the upper end of pedestal 1, first rotating shaft 42 and the second rotating shaft 43 are positioned at the cavity of pedestal 1, the external diameter of the first rotating shaft 42 is greater than the external diameter of the second rotating shaft 43, and during measurement, ball core 2 is placed in conical disc mouth 42, be conducive to the fixing of ball core 2, prevent ball core 2 landing in rotation process, gear train is placed in the cavity of pedestal 1, draw together bevel pinion 5, bevel gear wheel 6, clutch shaft bearing 7, second bearing 8 and end face bearing 9, one end that bevel pinion 5 extends in pedestal 1 with rotating shaft 33 is connected, bevel gear wheel 6 is fixedly connected in the second rotating shaft 43, and bevel pinion 5 engages with bevel gear wheel 6, the rotation of vertical direction is made to change the rotation of horizontal direction into, achieve gear reduction simultaneously, second bearing 8 is arranged on the bottom in pedestal 1 cavity, second rotating shaft 43 lower end is connected with pedestal 1 by the second bearing 8, the inwall of pedestal 1 cavity upper end is provided with bearing seat 10, clutch shaft bearing 7 and end face bearing 9 are placed in bearing seat 10 upper end from top to bottom successively, and the first rotating shaft 42 is connected with pedestal 1 with end face bearing 9 by clutch shaft bearing 7.
Measurement mechanism comprises support with adjustable and clock gauge 11, and clock gauge 11 and support with adjustable removably connect, and during measurement, the gauge head of clock gauge 11 is vertical with the sphere of ball core 2, concrete, and support with adjustable is magnetic stand 12.
The lateral wall of pedestal 1 is provided with pallet 13, and magnetic stand 12 is adsorbed on pallet 13.Measurement mechanism is fixedly connected with pedestal 1, relative motion between measurement mechanism and pedestal 1 can be effectively reduced and the measuring error brought.
During use, first ball core 2 to be detected is placed in the conical disc mouth 41 in rotating disc 4; Then, clock gauge 11 is fixed on magnetic stand 12, magnetic stand 12 is adsorbed on the pallet 13 of pedestal 1, adjust the detection position of clock gauge 11, note making clock gauge 11 gauge head vertical with ball core 2 sphere; Then, swinging handle 31 makes bevel pinion 5 rotate, drive bevel gear wheel 6 to rotate simultaneously, by bevel gear wheel 6, rotating disc 4 inner spherical core 2 is rotated together, ball core 2 is made to rotate a whole circle, read the clock gauge 11 changing value i.e. circularities of section for this reason, roating sphere core 2 position and adjustment clock gauge 11 position, repetitive measurement ball core 2 diverse location can detect the circularities of the entirety of surveyed ball core 2.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff not departing from scope of the present invention, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.

Claims (10)

1. a hand-rail type high-precise ball core deviation from circular from pick-up unit, it is characterized in that: comprise pedestal (1), be arranged on the whirligig on pedestal (1) and the measurement mechanism for measuring ball core (2) circularity, described measurement mechanism is fixed on described pedestal (1), and be positioned at the side of described whirligig, during measurement, described whirligig drives ball core (2) to horizontally rotate, the sphere-contact of described measurement mechanism and described ball core (2), and the direction of measurement of described measurement mechanism is crossing with the rotational axis vertical of described ball core (2).
2. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 1, it is characterized in that: described whirligig comprises the handwheel (3) be arranged on pedestal (1), gear train and rotating disc (4), described pedestal is provided with cavity in (1), described gear train is placed in described cavity, described handwheel (3) is connected with described gear train, and described gear train is connected with described rotating disc (4).
3. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 2, it is characterized in that: described rotating disc (4) upper end is provided with conical disc mouth (41), described conical disc mouth (41) lower end is provided with the first rotating shaft (42) and the second rotating shaft (43) successively, described conical disc mouth (41) is positioned at the upper end of described pedestal (1), and described first rotating shaft (42) and the second rotating shaft (43) are positioned at the cavity of described pedestal (1).
4. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 3, it is characterized in that: described gear train comprises bevel pinion (5), bevel gear wheel (6), clutch shaft bearing (7) and the second bearing (8), described bevel pinion (5) is connected with described handwheel (3), described bevel gear wheel (6) is fixedly connected on described second rotating shaft (43), and described bevel pinion (5) engages with described bevel gear wheel (6), described second bearing (8) is arranged on the bottom of described pedestal (1), described second rotating shaft (43) lower end is connected with described pedestal (1) by described second bearing (8), the inwall of described pedestal (1) upper end is provided with bearing seat (10), described clutch shaft bearing (7) is placed in described bearing seat (10) upper end, and described first rotating shaft (42) upper end is connected with described pedestal (1) by described clutch shaft bearing (7).
5. the hand-rail type high-precise ball core deviation from circular from pick-up unit as described in claim 3 or 4, is characterized in that: the external diameter of described first rotating shaft (42) is greater than the external diameter of described second rotating shaft (43).
6. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 5, it is characterized in that: described gear train also comprises end face bearing (9), described end face bearing (9) is arranged on the lower end of described first rotating shaft (42), and described end face bearing (9) is positioned between described clutch shaft bearing (7) and bearing seat (10).
7. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 2, it is characterized in that: described handwheel (3) comprises handle (31), wheel disc (32) and handwheel rotating shaft (33), the edge conjunction of described handle (31) and described wheel disc (32), described handwheel rotating shaft (33) one end is connected with the center of described wheel disc (32), the other end of described handwheel rotating shaft (33) and the sidewall of described pedestal (1) are rotationally connected, and extend to the inside of described pedestal (1).
8. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 1, it is characterized in that: described measurement mechanism comprises support with adjustable and dial gauge or clock gauge (11), described dial gauge or clock gauge (11) removably connect with described support with adjustable, during measurement, the gauge head of described dial gauge or clock gauge (11) is crossing with the rotational axis vertical of described ball core (2).
9. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 8, is characterized in that: described support with adjustable is magnetic stand (12).
10. hand-rail type high-precise ball core deviation from circular from pick-up unit as claimed in claim 1, is characterized in that: the lateral wall of described pedestal (1) is provided with pallet (13), and described measurement mechanism is placed on described pallet (13).
CN201510555277.5A 2015-09-02 2015-09-02 Hand-cranking high-precision spherical core roundness error detection device Pending CN105241354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510555277.5A CN105241354A (en) 2015-09-02 2015-09-02 Hand-cranking high-precision spherical core roundness error detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510555277.5A CN105241354A (en) 2015-09-02 2015-09-02 Hand-cranking high-precision spherical core roundness error detection device

Publications (1)

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CN105241354A true CN105241354A (en) 2016-01-13

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201815719U (en) * 2010-10-14 2011-05-04 安徽省黄山台钻有限公司 Bench drill elevating mechanism
CN102059650A (en) * 2010-07-22 2011-05-18 上海交通大学 Precise on-site measuring device and measuring method for sphericity of spherical surface
CN102865844A (en) * 2011-07-05 2013-01-09 北京航天试验技术研究所 Sphere roundness measuring instrument
CN103471481A (en) * 2012-06-05 2013-12-25 浙江众达传动股份有限公司 Spherical outside surface diameter and profile tolerance measuring instrument
CN103604352A (en) * 2013-12-12 2014-02-26 苏州道森钻采设备股份有限公司 Sphere roundness measurement instrument
CN103644821A (en) * 2013-12-09 2014-03-19 芜湖禾田汽车工业有限公司 Automobile ball pin sphere surface roundness detection tool
CN203561326U (en) * 2013-11-22 2014-04-23 广东明珠流体机械有限公司 Ball valve ball body roundness detection device
US20140130363A1 (en) * 2012-11-15 2014-05-15 Mitutoyo Corporation Spherical-form measuring apparatus
CN203629933U (en) * 2013-11-13 2014-06-04 济南大学 Manual portable metallographic test piece polishing mechanism
CN204404956U (en) * 2014-12-25 2015-06-17 天水星火机床有限责任公司 Dynamic external diameter measuring device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102059650A (en) * 2010-07-22 2011-05-18 上海交通大学 Precise on-site measuring device and measuring method for sphericity of spherical surface
CN201815719U (en) * 2010-10-14 2011-05-04 安徽省黄山台钻有限公司 Bench drill elevating mechanism
CN102865844A (en) * 2011-07-05 2013-01-09 北京航天试验技术研究所 Sphere roundness measuring instrument
CN103471481A (en) * 2012-06-05 2013-12-25 浙江众达传动股份有限公司 Spherical outside surface diameter and profile tolerance measuring instrument
US20140130363A1 (en) * 2012-11-15 2014-05-15 Mitutoyo Corporation Spherical-form measuring apparatus
CN203629933U (en) * 2013-11-13 2014-06-04 济南大学 Manual portable metallographic test piece polishing mechanism
CN203561326U (en) * 2013-11-22 2014-04-23 广东明珠流体机械有限公司 Ball valve ball body roundness detection device
CN103644821A (en) * 2013-12-09 2014-03-19 芜湖禾田汽车工业有限公司 Automobile ball pin sphere surface roundness detection tool
CN103604352A (en) * 2013-12-12 2014-02-26 苏州道森钻采设备股份有限公司 Sphere roundness measurement instrument
CN204404956U (en) * 2014-12-25 2015-06-17 天水星火机床有限责任公司 Dynamic external diameter measuring device

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Application publication date: 20160113

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