CN101121234A - Pneumatic control localizer - Google Patents

Pneumatic control localizer Download PDF

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Publication number
CN101121234A
CN101121234A CNA2007100497048A CN200710049704A CN101121234A CN 101121234 A CN101121234 A CN 101121234A CN A2007100497048 A CNA2007100497048 A CN A2007100497048A CN 200710049704 A CN200710049704 A CN 200710049704A CN 101121234 A CN101121234 A CN 101121234A
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CN
China
Prior art keywords
locating
location
backstay
localizer
mechanical
Prior art date
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Granted
Application number
CNA2007100497048A
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Chinese (zh)
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CN100453267C (en
Inventor
孙海龙
李东明
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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Application filed by Chengdu Aircraft Industrial Group Co Ltd filed Critical Chengdu Aircraft Industrial Group Co Ltd
Priority to CNB2007100497048A priority Critical patent/CN100453267C/en
Publication of CN101121234A publication Critical patent/CN101121234A/en
Application granted granted Critical
Publication of CN100453267C publication Critical patent/CN100453267C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention discloses an aerodynamic control localizer comprising a mechanical locating controller, a locating rod moving through the mechanical locating controller and electric and aerodynamic parts. The present invention is characterized in that the lower end of the locating rod which is equipped and can slide in the mechanical locating controller is connected with a floating head connected with a cylinder link lever and an initiative locating shim which makes the locating rod end reach the initiative locating position; the cylinder link lever drives the locating rod move axially by the connected axial cylinder; with a connected bullet pin, tangential cylinders equipped on both sides of the locating rod implement hole-to-hole location of the locating rod and the mechanical locating controller base to realize tangential location to make the locating device reach the final coordinate position. The localizer is characterized by simple flexible accurate structure, stable locating coordinates and conveniently controlled automatic operation. The present invention will thoroughly change and overcome the defect of the traditional screw type localizer that the locating accuracy is not high, location is not stable and the production cycle is long. Moreover, the volume is decreased by about one third compared with the tradition al screw type localizer.

Description

Pneumatic control localizer
Technical field
The present invention is used for design of aircraft technology assembly jig and the positioner of making.
Background technology
In the prior art, be widely used in the positioner in the aircraft technology assembly jig, what adopt basically is the multiple model screw locator of " the aircraft assembling jig spare part " HB597~HB602 aircraft industry standard code of 97 years Chinese Ministry of Aero-Space Industry issue.The positioning form of the screw locator of stipulating in the aircraft industry standard is traditional-handwork mechanical type location shown in Figure 3.Its seat material is the cast iron of HT20-40 or HT15-33, and the tolerance H9/h6 surface roughness that cooperates with screw rod is not too reasonable.Screw rod is that tooth bar cooperates with pedestal, and the gap that produces between tooth and the tooth can only be felt to improve and remedy by operator's experience.Therefore, tend to cause the elements of a fix to float, cause coordinate figure not unique, the location is unstable, accuracy is poor.The position location tolerance grade is low.Simultaneously when tangential latch location, the operator also will knock locator with wooden mallet, could satisfy screw rod and pedestal tangentially to the hole.The size of percussion power usually is difficult to grasp, thus the time regular meeting change the elements of a fix, make to be located by connecting inharmoniously, can not satisfy the location matching requirements often.In addition, the screw locator also exists volume big, and handwheel takies the big defective in operating space.
Summary of the invention
The weak point that purpose of the present invention exists at above-mentioned prior art, provide a kind of Pneumatic Control Technology of utilizing to form Pneumatic control localizer in conjunction with mechanical control technology, float to solve the prior art elements of a fix, the location is unstable, setting accuracy is low, takies the big problem in operating space.
The present invention realizes above-mentioned purpose, solving the technical scheme that its technical problem adopts is: this Pneumatic control localizer, comprise mechanical positioning control body and by described mechanical positioning control body running fix bar, and, pneumatic element, it is characterized in that: be assemblied in the backstay lower end of sliding in the mechanical positioning control body and be connected with an air supported head that is connected with air cylinder connecting rod and make the backstay termination arrive the first locating shim of position location just, described air cylinder connecting rod promotes backstay by the axial cylinder that is connected and realizes moving axially, be contained in the bullet pin of tangential cylinder by being connected of backstay both sides respectively with its connecting rod, backstay and mechanical positioning control body pedestal are carried out the location, hole, realize that tangential location makes positioner arrive final coordinate position.
The present invention has following beneficial effect compared to existing technology:
Because existing frock intersection point location technology inevitably can produce the fit clearance between screw rod and pedestal, after adopting pneumatic accurate control positioner, location structure is simple, flexibly, accurately, elements of a fix value stabilization, and operation automation control is convenient.To thoroughly change and overcome the defective that traditional screw locator positioning accuracy is not high, the location is unstable, the manufacturing cycle is long.Be equipmentization, standardization, seriation, the automation development of technological equipment, and the raising of assembling speed and product quality, efficient, accurate, advanced technology assembling and positioning instrument is provided fast.Substitute the tooth bar screw rod with accurate sliding fit backstay, increased the reliability that the technology assembly precision cooperates greatly.Make screw head arrive the first locating shim of position location just in the machinery positioning control body, realized first location, guaranteed elements of a fix value tolerance to pinpoint transition.Cancel operated by handwheel, increased the space opening character.Its volume ratio tradition screw locator has reduced nearly 1/3.The present invention also can satisfy different matching requirements by changing the specification and the position of landing nipple.Application continuum power supply, Programmable Logic Controller, programmable device, control element such as positioning states prompting have automatically been simplified control procedure, have alleviated demand to the skilled craftsman, have been reduced training time of employee.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention.
Fig. 2 is the application schematic diagram of Pneumatic control localizer of the present invention.
Fig. 3 is a system works principle schematic of the present invention.
Fig. 4 is the schematic diagram of prior art tradition screw locator.
The specific embodiment:
Referring to Fig. 1, mechanical positioning control pedestal 4 is column-shaped barrels that are shaped on step and stepped hole.Backstay 1 is assemblied in this stepped hole slidably, can produce sliding motion under the effect of pneumatic connecting rod 7.On the connecting rod 7 of the lower end of backstay 1 connection, be connected with air supported head 6 and make the backstay termination arrive the first locating shim 5 of position location just.Connecting rod 7 promotes backstay 1 by the axial cylinder that is connected 9 and moves as axial location, along the direction of arrow to backstay 1 axial constraint.The tangential cylinder 3 that is contained in pedestal 4 both sides, machinery location respectively promotes bullet pin 10, and backstay 1 and mechanical positioning control body pedestal 4 are carried out the tangential constraint along the direction of arrow among the figure is realized in the location, hole, makes backstay arrive final coordinate position.
Referring to Fig. 2, Pneumatic control localizer is connected on the assembly jig skeleton 11 by bolt 14.Tool locating joint 13 is installed on backstay 1, is used for assembling and positioning aircraft girder part 12.Provide the position constraint condition by axial cylinder 9 and tangential cylinder 3 pneumatic elements respectively.Rely on external control box button, operating personnel carry out automatic control operation.
Fig. 3 has described system works principle of the present invention.Its principle is utilization electrical system and compressed air-driven power, with the working media of compressed air as transferring power, utilize existing source of the gas and power supply, cooperate the main element and the comprehensive formation of the accurate control volume part of the machinery control loop of electricity, atmospheric control.Make the working condition of accurate control frame for movement, automatically, fast, steadily and exactly arrive given displacement, carry out the part location by the order of setting by manufacturing technique requirent.At first, system drive axial cylinder 9 promotes connecting rod 7 with this, drives air supported head 6, make the backstay termination of mechanical positioning control body seat 4 arrive position location just, and the rotation condition of backstay 1 guarantees by key and keyway.System drives the bullet pin 10 of tangential cylinder 3 once more then, and backstay 1 and mechanical positioning control pedestal 4 are carried out the location, hole, realizes that just the location guarantees elements of a fix value tolerance to pinpoint transition and the control of elements of a fix value.This process is to operate automatically by the control box button, makes backstay 1 accurately arrive final coordinate position in mechanical control volume.The stability of elements of a fix position guarantees by the fit tolerance of oilless bearing 2.At control system upper cylinder 9 and 3 magnetic approach switch is housed all, it can feed back the information of putting in place, and indicator lamp can be pointed out positioning states and non-positioning states.Pneumatic control localizer can be designed the Pneumatic control localizer of different series such as horizontal connection, vertical connection, auricle connection, the connection of rib shape according to different position locations.Can be according to the different operating stroke, backstay length, the cylinder stroke of Pneumatic control localizer carried out the parametrization design.The present invention can be derived to standardization, seriation, parametrization.

Claims (1)

1. Pneumatic control localizer, comprise, machinery positioning control body and by described mechanical positioning control, body running fix bar, and, pneumatic element, it is characterized in that: be assemblied in the backstay lower end of sliding in the mechanical positioning control body and be connected with an air supported head that is connected with air cylinder connecting rod and make the backstay termination arrive the first locating shim of position location just, described air cylinder connecting rod promotes backstay by the axial cylinder that is connected and realizes moving axially, be contained in the bullet pin of tangential cylinder by being connected of backstay both sides respectively with its connecting rod, backstay and mechanical positioning control body pedestal are carried out the location, hole, realize that tangential location makes positioner arrive final coordinate position.
CNB2007100497048A 2007-08-09 2007-08-09 Pneumatic control localizer Active CN100453267C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100497048A CN100453267C (en) 2007-08-09 2007-08-09 Pneumatic control localizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100497048A CN100453267C (en) 2007-08-09 2007-08-09 Pneumatic control localizer

Publications (2)

Publication Number Publication Date
CN101121234A true CN101121234A (en) 2008-02-13
CN100453267C CN100453267C (en) 2009-01-21

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CNB2007100497048A Active CN100453267C (en) 2007-08-09 2007-08-09 Pneumatic control localizer

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101629818B (en) * 2008-07-14 2012-09-05 江苏飞船股份有限公司 Multi-journal measuring device
CN103707090A (en) * 2013-12-26 2014-04-09 无锡市贝斯特精密机械有限公司 Elastic locating mechanism
CN103707083A (en) * 2013-12-18 2014-04-09 无锡倍安杰机械科技有限公司 Spring pin telescoping mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2233485Y (en) * 1995-08-31 1996-08-21 天津市太平洋仪表有限公司 Bellows mechanism of pneumatic locator
JP3404645B2 (en) * 1999-05-25 2003-05-12 住友重機械工業株式会社 Position control device for processing head in processing device
CN2547983Y (en) * 2002-06-13 2003-04-30 吴忠仪表股份有限公司 New-type electric valve locator
JP2006062081A (en) * 2005-10-07 2006-03-09 Ntn Corp Die processing device
CN201078368Y (en) * 2007-08-09 2008-06-25 成都飞机工业(集团)有限责任公司 Pneumatic power accurate control positioning device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101629818B (en) * 2008-07-14 2012-09-05 江苏飞船股份有限公司 Multi-journal measuring device
CN103707083A (en) * 2013-12-18 2014-04-09 无锡倍安杰机械科技有限公司 Spring pin telescoping mechanism
CN103707083B (en) * 2013-12-18 2016-05-11 无锡倍安杰机械科技有限公司 Resilient key telescoping mechanism
CN103707090A (en) * 2013-12-26 2014-04-09 无锡市贝斯特精密机械有限公司 Elastic locating mechanism
CN103707090B (en) * 2013-12-26 2016-05-11 无锡贝斯特精机股份有限公司 Elastic locating mechanism

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