CN201583229U - Measuring tool with adjustable convergence nozzle diameter - Google Patents

Measuring tool with adjustable convergence nozzle diameter Download PDF

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Publication number
CN201583229U
CN201583229U CN 200920271043 CN200920271043U CN201583229U CN 201583229 U CN201583229 U CN 201583229U CN 200920271043 CN200920271043 CN 200920271043 CN 200920271043 U CN200920271043 U CN 200920271043U CN 201583229 U CN201583229 U CN 201583229U
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CN
China
Prior art keywords
support bar
revolute pair
adjustable
hinge seat
measuring tool
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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.)
Expired - Lifetime
Application number
CN 200920271043
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Chinese (zh)
Inventor
赵春生
金文栋
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AVIC Shenyang Engine Design and Research Institute
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AVIC Shenyang Engine Design and Research Institute
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Priority to CN 200920271043 priority Critical patent/CN201583229U/en
Application granted granted Critical
Publication of CN201583229U publication Critical patent/CN201583229U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a measuring tool with adjustable convergence nozzle diameter, which comprises a positioning and supporting part and an adjustable measurement part, wherein the positioning and supporting part is characterized in that a plane four-bar mechanism consists of a revolute pair hinge base, a central shaft, a support bar 1, a regulating bar, a revolute pair hinge base and a support base; the revolute pair hinge base is arranged on one end of the central shaft; one end of the regulating bar is connected on the revolute pair hinge base via a revolute pair, and the other end thereof is connected on the support bar by the revolute pair; one end of the support base is connected with the support bar via the revolute pair, and the other end thereof is supported on the inner wall of a barrel. The adjustable measurement part is characterized in that a support disk is connected on the central shaft by threads, and a support bar 2 is fixed on the support disk; a slide block base is fixed on the support bar with scales via bolts; the slide block is connected on the slide block base via a compression spring; and an adjustment disk is arranged on the support disk. The utility model has the advantages of simple structure, convenient disassembly and high measurement accuracy, reduces influence by manual operation factors, is convenient to carry and is suitable for out-field maintenance.

Description

A kind of measuring tool of adjustable convergence nozzle diameter
Technical field
The utility model relates to the mechanical structure field science, and a kind of measuring tool of adjustable convergence nozzle diameter is provided especially.
Background technology
Existing measurement is adjustable, and convergence nozzle diameter mode has two kinds: a kind of is to measure some spots respectively with thousand fens bar, converses diameter then, and the artificial repeated labor of this kind method is various, and labor capacity is big, and can not guarantee the precision measured; Another kind is to drive by hydraulic pressure or air pressure, by the complicated mechanism of a cover, measures the girth of internal diameter, and this measuring tool need be equipped with special-purpose air pressure or hydraulic system, and the complex structure of measuring tool, volume and weight are big, carry inconvenience.For this reason, need that design is a kind of to reduce artificial repeated labor and simple in structure, dismounting and measuring tool easy to carry.
The utility model content
The purpose of this utility model is, a measurement convenience simple for implementation structure, and the spy provides the measuring tool of adjustable convergence nozzle diameter.
The utility model provides a kind of measuring tool of adjustable convergence nozzle diameter, it is characterized in that: the measuring tool of described adjustable convergence nozzle diameter mainly comprises two parts: positioning supports part and adjustable measure portion;
Wherein, the positioning supports part is made up of set nut 1, revolute pair hinge seat 2, central shaft 3, support bar 1, adjuster bar 5, revolute pair hinge seat 6, supporting seat 7, threaded adjustment seat 8 and set nut 29; Adjustable measure portion by slide block 10, axially adjust compression spring 11, take-up housing 12, steel wire 13, band scale support bar 14, radially adjust compression spring 15, support bar 2 16, supporting disk 17, adjustment dish 18 and set nut 3 19 and form;
The positioning supports part: revolute pair hinge seat 2, central shaft 3, support bar 1, adjuster bar 5, revolute pair hinge seat 6, supporting seat 7 are formed lanar four rod mechanism; Revolute pair hinge seat 2 is installed in an end of central shaft 3, with set nut 1 revolute pair hinge seat 2 is locked, and prevents its axial motion; Support bar 1 is connected on the revolute pair hinge seat 2 by revolute pair; Revolute pair hinge seat 6 is installed on the threaded adjustment seat 8; By being threaded on the central shaft, is clearance fit with threaded adjustment seat 8 related revolute pair hinge seats 6 between revolute pair hinge seat 6 and threaded the adjustments seat 8, rotates revolute pair hinge seat 6 servo-actuateds when mobile in case threaded adjustments seat 8 is axial; Set nut 29 is installed on the central shaft; Adjuster bar 5 one ends are connected on the revolute pair hinge seat 6 by revolute pair, and the other end is connected on the support bar 4 by revolute pair; Supporting base 7 one ends link to each other with support bar 1 by revolute pair, and the other end is supported on the cylinder inboard wall.
Adjustable measure portion: supporting disk 17 is by being threaded on the central shaft 3, and supporting disk about 17 is spacing by set nut 3 19 lockings; Support bar 2 16 is the spacing hollow stems of an end band boss, is fastened on the supporting disk 17 by two screws; The support bar 14 that the support bar 14 of band scale passes support bar 2 16 and the boss check strap scale by support bar 2 16 1 ends is maximum position radially, in support bar 2 16, and be equipped with between the support bar 14 of band scale and radially adjust compression spring 15, radially stepless adjustable with the support bar 14 of realizing the band scale is so that measuring tool adapts to radial variations under the spout different conditions; Take-up housing 12 by screw retention the band scale support bar 14 on; Slide block 10 is connected on the take-up housing 12 by axial adjustment compression spring 11, and the effect of axially adjusting compression spring 11 is slide block 10 to be changed with the spout different conditions do axial variation; Slide block 10 other ends are supported on the adjustable convergence spout inwall, and the boss on the slide block 10 is against place, adjustable convergence spout limit, endwisely slipping between anti-limited slip block and the spout; Adjustment dish 18 is installed on the supporting disk 17, and spacing by pin; Steel wire 13 1 ends are installed on the hook of take-up housing 12, and an end is fixed on the adjustment dish 18; The effect of steel wire 13 and adjustment dish 18 is to make adjustable measure portion radial shrinkage, so as to install with adapt to different spout states under adjustment.
The moving secondary hinge seat 2 of described fixed support part transfer is axially adjustable.
Supporting disk 17 axial locations are adjustable in the described adjustable measure portion, to adapt to the measurement of different spout diverse locations.
The quantity of support bar 1 and adjusting lever 5 is circumferentially each uniform 3~50 in the described positioning supports part.
Described support bar 1 is two bars, scalable, between two bars by being threaded, so that realize the adjustable centering of mechanism by the relative position of adjusting between two bars.
The support bar 14 and the relative radial position between the support bar 2 16 of band scale are stepless adjustable in the described adjustable measure portion, and quantity is circumferentially each uniform 2~100.
The support bar 14 of band scale is marked with scale, in the measuring process, and the diameters that can read each point by the scale on the support bar 14 of observation band scale.Can built-in linear movement pick-up between band support bar 14 of scale and support bar 2 16, be used for the feedback position signal, thereby obtain nozzle diameter numerical value, can save the scale on the support bar 14 of artificial observation band scale and the process of conversion like this, so that measuring process is more convenient.
Slide block 10 is to do axial stepless servo-actuated with tubbiness spare different conditions at compressional axis under the effect of adjusting compression spring 11 in the described adjustable measure portion, quantity can be circumferentially uniform 2~100, identical with the support bar 14 of band scale with support bar 2 16 quantity, with the convenience that guarantees to measure.
Advantage of the present utility model:
All adopt mechanical interface, simple in structure, convenient disassembly; Can directly measure the multiple spot diameter of the tubbiness spare that becomes diameter simultaneously, speed is fast, can reduce a large amount of artificial repeated labors; Can reduce the influence of manual operation factor, the measuring accuracy height; Easy to carry, be applicable to flight-line service; Realized integrated design, workable.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is the measuring tool structure master apparent direction synoptic diagram of adjustable convergence nozzle diameter;
Fig. 2 is the right apparent direction synoptic diagram of the measuring tool structure of adjustable convergence nozzle diameter;
Fig. 3 is the measuring principle synoptic diagram of adjustable convergence nozzle diameter measuring tool.
Embodiment
Embodiment 1
Present embodiment provides a kind of measuring tool of adjustable convergence nozzle diameter, it is characterized in that: the measuring tool of described adjustable convergence nozzle diameter mainly comprises two parts: positioning supports part and adjustable measure portion;
Wherein, the positioning supports part is made up of set nut 1, revolute pair hinge seat 2, central shaft 3, support bar 1, adjuster bar 5, revolute pair hinge seat 6, supporting seat 7, threaded adjustment seat 8 and set nut 29; Adjustable measure portion by slide block 10, axially adjust compression spring 11, take-up housing 12, steel wire 13, band scale support bar 14, radially adjust compression spring 15, support bar 2 16, supporting disk 17, adjustment dish 18 and set nut 3 19 and form;
The positioning supports part: revolute pair hinge seat 2, central shaft 3, support bar 1, adjuster bar 5, revolute pair hinge seat 6, supporting seat 7 are formed lanar four rod mechanism; Revolute pair hinge seat 2 is installed in an end of central shaft 3, with set nut 1 revolute pair hinge seat 2 is locked, and prevents its axial motion; Support bar 1 is connected on the revolute pair hinge seat 2 by revolute pair; Revolute pair hinge seat 6 is installed on the threaded adjustment seat 8; By being threaded on the central shaft, is clearance fit with threaded adjustment seat 8 related revolute pair hinge seats 6 between revolute pair hinge seat 6 and threaded the adjustments seat 8, rotates revolute pair hinge seat 6 servo-actuateds when mobile in case threaded adjustments seat 8 is axial; Set nut 29 is installed on the central shaft; Adjuster bar 5 one ends are connected on the revolute pair hinge seat 6 by revolute pair, and the other end is connected on the support bar 4 by revolute pair; Supporting base 7 one ends link to each other with support bar 1 by revolute pair, and the other end is supported on the cylinder inboard wall.
Adjustable measure portion: supporting disk 17 is by being threaded on the central shaft 3, and supporting disk about 17 is spacing by set nut 3 19 lockings; Support bar 2 16 is the spacing hollow stems of an end band boss, is fastened on the supporting disk 17 by two screws; The support bar 14 that the support bar 14 of band scale passes support bar 2 16 and the boss check strap scale by support bar 2 16 1 ends is maximum position radially, in support bar 2 16, and be equipped with between the support bar 14 of band scale and radially adjust compression spring 15, radially stepless adjustable with the support bar 14 of realizing the band scale is so that measuring tool adapts to radial variations under the spout different conditions; Take-up housing 12 by screw retention the band scale support bar 14 on; Slide block 10 is connected on the take-up housing 12 by axial adjustment compression spring 11, and the effect of axially adjusting compression spring 11 is slide block 10 to be changed with the spout different conditions do axial variation; Slide block 10 other ends are supported on the cylinder inboard wall, and the boss on the slide block 10 is against place, cylindrical shell limit, endwisely slipping between anti-limited slip block and the spout; Adjustment dish 18 is installed on the supporting disk 17, and spacing by pin; Steel wire 13 1 ends are installed on the hook of take-up housing 12, and an end is fixed on the adjustment dish 18; The effect of steel wire 13 and adjustment dish 18 is to make adjustable measure portion radial shrinkage, so as to install with adapt to different spout states under adjustment.
The moving secondary hinge seat 2 of described fixed support part transfer is axially adjustable.
Supporting disk 17 axial locations are adjustable in the described adjustable measure portion, to adapt to the measurement of different spout diverse locations.
The quantity of support bar 1 and adjusting lever 5 is circumferentially each uniform 10 in the described positioning supports part.
Described support bar 1 is two bars, scalable, between two bars by being threaded, so that realize the adjustable centering of mechanism by the relative position of adjusting between two bars.
The support bar 14 and the relative radial position between the support bar 2 16 of band scale are stepless adjustable in the described adjustable measure portion, and quantity is circumferentially each uniform 10.
The support bar 14 of band scale is marked with scale, in the measuring process, and the diameters that can read each point by the scale on the support bar 14 of observation band scale.Can built-in linear movement pick-up between band support bar 14 of scale and support bar 2 16, be used for the feedback position signal, thereby obtain nozzle diameter numerical value, can save the scale on the support bar 14 of artificial observation band scale and the process of conversion like this, so that measuring process is more convenient.
Slide block 10 is to do axial stepless servo-actuated with tubbiness spare different conditions at compressional axis under the effect of adjusting compression spring 11 in the described adjustable measure portion, quantity can be circumferentially uniform 10, identical with the support bar 14 of band scale with support bar 2 16 quantity, with the convenience that guarantees to measure.
Embodiment 2
Present embodiment provides a kind of measuring tool of adjustable convergence nozzle diameter, and its structure comprises positioning supports part and adjustable measure portion as shown in Figure 1; Wherein, the positioning supports part is made up of 8 and 1 set nuts 29 of 7,1 threaded adjustment seat of 6,3 supporting seats of 5,1 revolute pair hinge seat of one 4,3 adjuster bars of 3,3 support bars of 2,1 central shaft of one 1,1 revolute pair hinge seat of 1 set nut; Adjustable measure portion radially adjusts 17,1 adjustment dish 18 of 2 16,1 supporting disk of 15,6 support bars of compression spring by 10,6 axial 14,6 of support bars adjusting 13,6 bands of 12,6 steel wires of 11,6 take-up housings of compression spring scale of 6 slide blocks and 2 set nuts 3 19 are formed.
With the flat segments of positioning supports partial fixing in the close jet pipe of afterburning cylindrical shell tubbiness spare inwall, in installation process, move axially by rotating band threaded adjustment seat 8, make supporting base 7 hold out against tubbiness spare inwall, adjust set nut 29 then and make threaded adjustment seat 8 axial lockings.
Adjust the axial location of the supporting disk 17 of adjustable measure portion, the position that measure portion is in be convenient to measure.Make steel wire 13 shortenings adjust the support bar 14 of band scale and the relative position of support bar 2 16 by rotation adjustment dish 18, slide block 10 is supported on the spout inwall, and make the spout outside and the positive stop lug boss of slide block meet the place.Under the effect of adjusting compression spring 11, slide block 10 is to do axial stepless servo-actuated with the spout different conditions at compressional axis; Under the effect of compression spring 15, the support bar 14 of band scale and the relative radial position between the support bar 2 16 realize stepless adjustable, so that measuring tool adapts to radial variations under the spout different conditions.
When adjustable convergence spout state variation, principle of work as shown in Figure 2.When spout becomes the B state by A condition, under the effect of compression spring 15, band support bar 14 of scale and the relative position between the support bar 2 16 are realized stepless adjustable, thereby realizing radially receiving expands, the radial variations of spout outside when becoming the B state to satisfy by A condition; Under the effect of adjusting compression spring 11, slide block 10 axially moves at compressional axis, the axial variation of spout outside when becoming the B state to satisfy by A condition.Spout can be read the numerical value of nozzle diameter by the scale on the support bar 14 of band scale under any state.

Claims (7)

1. the measuring tool of an adjustable convergence nozzle diameter, it is characterized in that: the measuring tool of described adjustable convergence nozzle diameter mainly comprises two parts: positioning supports part and adjustable measure portion; The positioning supports part is made up of set nut one (1), revolute pair hinge seat (2), central shaft (3), support bar one (4), adjuster bar (5), revolute pair hinge seat (6), supporting seat (7), threaded adjustment seat (8) and set nut two (9); Adjustable measure portion by slide block (10), axially adjust compression spring (11), take-up housing (12), steel wire (13), band scale support bar (14), radially adjust compression spring (15), support bar two (16), supporting disk (17), adjustment dish (18) and set nut three (19) and form;
The positioning supports part: revolute pair hinge seat (2), central shaft (3), support bar one (4), adjuster bar (5), revolute pair hinge seat (6), supporting seat (7) are formed lanar four rod mechanism; Revolute pair hinge seat (2) is installed in an end of central shaft (3), with set nut one (1) revolute pair hinge seat (2) is locked, and prevents its axial motion; Support bar one (4) is connected on the revolute pair hinge seat (2) by revolute pair; Revolute pair hinge seat (6) is installed on the threaded adjustment seat (8); By being threaded on the central shaft, is clearance fit with threaded adjustment seat (8) related revolute pair hinge seats (6) between revolute pair hinge seat (6) and the threaded adjustment seat (8); Set nut two (9) is installed on the central shaft; Adjuster bar (5) one ends are connected on the revolute pair hinge seat (6) by revolute pair, and the other end is connected on the support bar (4) by revolute pair; Supporting base (7) one ends link to each other with support bar one (4) by revolute pair, and the other end is supported on the cylinder inboard wall;
Adjustable measure portion: supporting disk (17) is by being threaded on the central shaft (3), and is spacing by set nut three (19) lockings about supporting disk (17); Support bar two (16) is the spacing hollow stem of an end band boss, is fastened on the supporting disk (17) by two screws; The support bar (14) that the support bar (14) of band scale passes support bar two (16) and the boss check strap scale by support bar two (16) one ends is maximum position radially, in support bar two (16), and be equipped with and radially adjust compression spring (15) between the support bar (14) of band scale; Take-up housing (12) by screw retention the band scale support bar (14) on; Slide block (10) is connected on the take-up housing (12) by axially adjusting compression spring (11); Adjustment dish (18) is installed on the supporting disk (17), and spacing by pin; Steel wire (13) one ends are installed on the hook of take-up housing (12), and an end is fixed on the adjustment dish (18).
2. according to the measuring tool of the described adjustable convergence nozzle diameter of claim 1, it is characterized in that: the moving secondary hinge seat (2) of described fixed support part transfer is for axially adjustable.
3. according to the measuring tool of the described adjustable convergence nozzle diameter of claim 1, it is characterized in that: supporting disk (17) axial location is adjustable in the described adjustable measure portion.
4. according to the measuring tool of the described adjustable convergence nozzle diameter of claim 1, it is characterized in that: the quantity of support bar one (4) and adjusting lever (5) is circumferentially each uniform 3~50 in the described positioning supports part.
5. according to the measuring tool of claim 1 or 4 described adjustable convergence nozzle diameters, it is characterized in that: described support bar one (4) is two bars, scalable, between two bars by being threaded.
6. according to the measuring tool of the described described adjustable convergence nozzle diameter of claim 1, it is characterized in that: the support bar (14) of band scale and the relative radial position between the support bar two (16) are stepless adjustable in the described adjustable measure portion, and quantity is circumferentially each uniform 2~100.
7. according to the measuring tool of claim 1 or 6 described adjustable convergence nozzle diameters, it is characterized in that: slide block (10) is to do axial stepless servo-actuated with tubbiness spare different conditions at compressional axis under the effect of adjusting compression spring (11) in the described adjustable measure portion, quantity can be circumferentially uniform 2~100, and is identical with support bar two (16) quantity with the support bar (14) of band scale.
CN 200920271043 2009-11-26 2009-11-26 Measuring tool with adjustable convergence nozzle diameter Expired - Lifetime CN201583229U (en)

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Application Number Priority Date Filing Date Title
CN 200920271043 CN201583229U (en) 2009-11-26 2009-11-26 Measuring tool with adjustable convergence nozzle diameter

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Application Number Priority Date Filing Date Title
CN 200920271043 CN201583229U (en) 2009-11-26 2009-11-26 Measuring tool with adjustable convergence nozzle diameter

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CN201583229U true CN201583229U (en) 2010-09-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411510A (en) * 2013-08-13 2013-11-27 中国航空工业集团公司沈阳发动机设计研究所 Two-dimensional nozzle bottleneck height measuring mechanism
CN104089561A (en) * 2014-07-30 2014-10-08 中国计量科学研究院 Deep hole inner diameter measuring system
CN109367075A (en) * 2018-10-10 2019-02-22 株洲时代新材料科技股份有限公司 A kind of wind electricity blade blade root anti-shrinkage device and application method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411510A (en) * 2013-08-13 2013-11-27 中国航空工业集团公司沈阳发动机设计研究所 Two-dimensional nozzle bottleneck height measuring mechanism
CN103411510B (en) * 2013-08-13 2016-03-23 中国航空工业集团公司沈阳发动机设计研究所 A kind of two-dimensional nozzle venturi height measuring mechanism
CN104089561A (en) * 2014-07-30 2014-10-08 中国计量科学研究院 Deep hole inner diameter measuring system
CN104089561B (en) * 2014-07-30 2016-08-31 中国计量科学研究院 Deep hole internal diameter measures system
CN109367075A (en) * 2018-10-10 2019-02-22 株洲时代新材料科技股份有限公司 A kind of wind electricity blade blade root anti-shrinkage device and application method
CN109367075B (en) * 2018-10-10 2020-11-10 株洲时代新材料科技股份有限公司 Wind power blade root contraction prevention device and use method

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20100915

Effective date of abandoning: 20091126

RGAV Abandon patent right to avoid regrant