[go: up one dir, main page]

CN101293337A - Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof - Google Patents

Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof Download PDF

Info

Publication number
CN101293337A
CN101293337A CNA2007100402809A CN200710040280A CN101293337A CN 101293337 A CN101293337 A CN 101293337A CN A2007100402809 A CNA2007100402809 A CN A2007100402809A CN 200710040280 A CN200710040280 A CN 200710040280A CN 101293337 A CN101293337 A CN 101293337A
Authority
CN
China
Prior art keywords
valve body
guide
locating piece
recipient
receiver
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
CNA2007100402809A
Other languages
Chinese (zh)
Inventor
曹勇
吴越
黄周成
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.)
SHANGHAI NUOMA HYDRAULIC SYSTEM CO Ltd
Original Assignee
SHANGHAI NUOMA HYDRAULIC SYSTEM 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 SHANGHAI NUOMA HYDRAULIC SYSTEM CO Ltd filed Critical SHANGHAI NUOMA HYDRAULIC SYSTEM CO Ltd
Priority to CNA2007100402809A priority Critical patent/CN101293337A/en
Publication of CN101293337A publication Critical patent/CN101293337A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Automatic Assembly (AREA)

Abstract

The invention discloses an assembly clamp of a receiver and a pilot valve body in an electrohydraulic servo valve which includes an upper location block, a lower location block, the pilot valve body provided with an upper assembly hole, a lower assembly hole and the inner cavity of the receiver and a pressure rod; the lower location block is a reversed T-shaped block; the shape of the outer end of a vertical rod of the lower location block is matched with the lower assembly hole of the pilot valve body; the upper location block is a plate block body and the center of the end surface of the upper location block is provided with a compact through hole which has the consistent diameter of the outer end of the receiver; besides, a location lug boss which can be embedded into the upper assembly hole of the pilot valve body is arranged on the lower end surface of the upper location block; the pressure rod is inserted into the compact through hole of the upper location block; can lead the receiver in the inner cavity of the receiver mounted on the pilot valve body to be pressed to the preset position and can lead the working channel of the pilot valve body to be communicated with the inner channel of the receiver. The assembly clamp of the receiver and the pilot valve body in the electrohydraulic servo valve of the invention and the method thereof are adopted, so the clamp has the advantages of high location precision, good assembly quality, good maneuverability, high commonality and long service life, etc.

Description

The assembling jig and the method thereof that are used for electrohydraulic servo valve recipient and guide's valve body
Technical field
The present invention relates to a kind of clamping tool for machine work of accurate finding, relate in particular to a kind of assembling jig and method thereof that is used for electrohydraulic servo valve recipient and guide's valve body.
Background technology
Electrohydraulic servo valve has experienced 50 years in the development of international professional domain, and the occasion of application also more and more widely.Yet the research of servo valve and manufacturing also are in a relatively backward state at home, the combination assembling aspect of part, and technical merit is also very big with external gap.Assembling aspect for existing electrohydraulic servo valve, also there are problems and defective, many part assemblings are difficulty relatively, poor operability, particularly the assembly method assembly quality of recipient wherein and guide's valve body is low, yield rate is not high, do not reach the design drawing requirement, as the form and position tolerance (depth of parallelism, perpendicularity, symmetry, axiality etc.), fineness, the result causes repetitive operation, severe patient then causes part or parts to scrap, waste of manpower, material resources, financial resources further then cause adverse effect to the entire product performance, test poor effect after assembling, directly influence the overall performance of electrohydraulic servo valve, influence factory's benefit.
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists, a kind of positioning accuracy height, the assembling jig and the method thereof that are used for electrohydraulic servo valve recipient and guide's valve body that assembly quality is good are provided.
The objective of the invention is to be achieved by following technical scheme: a kind of assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body, comprise locating piece, down locating piece, have the guide's valve body and the depression bar of upper and lower pilot hole and receiver inner chamber.Described down locating piece is an inverted T-shaped piece, being complementary of the outer end shape of its vertical bar and the following pilot hole of guide's valve body; Described upward locating piece is a plate body, its end face center is offered one and consistent with recipient outer end diameter press-fited through hole and be provided with a positioning boss that can embed pilot hole on guide's valve body in the lower surface, described depression bar inserts upward press-fiting in the through hole of locating piece, can be depressed into the precalculated position to the receiver in the receiver inner chamber that is contained in guide's valve body, and the service aisle of guide's valve body is communicated with the internal channel of receiver.
The above-mentioned assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body, wherein, the described through hole that press-fits of going up locating piece has relative flat of datum level with receiver.
A kind of assembly method that is used for electrohydraulic servo valve recipient and guide's valve body of the present invention, comprise the following steps: at first, prepare the assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body as claimed in claim 1, the vertical bar of the following locating piece in the assembling jig is installed in the following pilot hole of guide's valve body and locatees; Secondly, the positioning boss with last locating piece lower end is embedded in the last pilot hole of guide's valve body; Then, recipient is installed to press-fiting in the through hole of locating piece; At last, stretch into press-fiting in the through hole of locating piece with depression bar on the upper pressure axial machine, recipient is pressed into the receiver inner chamber of guide's valve body, till the upper surface applying of the lower surface of recipient and following locating piece.
The above-mentioned assembly method that is used for electrohydraulic servo valve recipient and guide's valve body, wherein, described in down locating piece assembles with guide's valve body both composition surfaces be adjacent to.
The above-mentioned assembly method that is used for electrohydraulic servo valve recipient and guide's valve body, wherein, described in the assembling of last locating piece and guide's valve body both composition surfaces be adjacent to.
Adopted assembling jig and the method thereof that is used for electrohydraulic servo valve recipient and guide's valve body of the present invention, anchor clamps have the positioning accuracy height, and assembly quality is good, and operability is good, highly versatile, advantages such as long service life.
Description of drawings
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of guide's valve body in the assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body of the present invention;
Fig. 2 is a kind of structural representation that is used for the assembling jig user mode of electrohydraulic servo valve recipient and guide's valve body of the present invention.
The specific embodiment
See also Fig. 1, Fig. 2, the assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body of the present invention comprises locating piece 5, following locating piece 1, guide's valve body 2 and depression bar 6.Wherein, guide's valve body 2 has upper and lower pilot hole 21,22 and receiver inner chamber 20, and this receiver inner chamber 20 has the flat horizontal surface relative with the datum level of receiver 4.Following locating piece 1 is an inverted T-shaped piece, being complementary of the outer end shape of its vertical bar 10 and the following pilot hole 22 of guide's valve body 2.Last locating piece 5 is a plate body, its end face center is offered one and consistent with recipient 4 outer end diameters press-fited through hole 50 and be provided with a positioning boss 51 that can embed pilot hole 21 on guide's valve body 2 in the lower surface, and the through hole 50 that press-fits of last locating piece 5 has the flat horizontal surface 500 relative with the datum level of receiver 4.Depression bar 6 inserts goes up the press-fiting in the through hole 50 of locating piece 5, the receiver 4 that is contained in the receiver inner chamber 20 of guide's valve body 2 can be depressed into the precalculated position, and the service aisle 23,24 of guide's valve body 2 is communicated with the internal channel 41,42 of receiver 4.
The assembly method that is used for electrohydraulic servo valve recipient and guide's valve body of the present invention comprises the following steps:
At first, prepare assembling jig of the present invention, the vertical bar 10 of the following locating piece 1 in the assembling jig is installed to location in the following pilot hole 22 of guide's valve body; Both composition surfaces 12 are adjacent in locating piece 1 assembles with guide's valve body 2 down.
Secondly, the positioning boss 51 with last locating piece 5 lower ends is embedded in the last pilot hole 21 of guide's valve body 2; The flat horizontal surface that press-fits the flat horizontal surface of through hole 50 and the receiver inner chamber 20 on guide's valve body 2 on the last locating piece 5 should be in same plane; Both composition surfaces 52 are adjacent in last locating piece 5 and guide's valve body 2 assemble.
Then, recipient 4 is installed to press-fiting in the through hole 50 of locating piece 5;
At last, stretch into press-fiting in the through hole 50 of locating piece 5 with depression bar 6 on the upper pressure axial machine, recipient 4 is pressed into the receiver inner chamber 20 of guide's valve body 2, till fitting with the upper surface of following locating piece 1 in the lower surface of recipient 4, at this moment, the service aisle 23,24 of guide's valve body 2 is communicated with the internal channel 41,42 of receiver 4.
So far, the assembly work between recipient 4 and the guide's valve body 2 is finished, the efficiency of assembling height, and positioning accuracy is good, the yield rate height, one-time-reach-place, the depth of parallelism, the perpendicularity of guide's valve body 2 and recipient 4, specification requirements such as symmetry guarantee with anchor clamps of the present invention fully.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, the present invention can also change and more mode, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.

Claims (5)

1, a kind of assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body, comprise locating piece, down locating piece, have the guide's valve body and the depression bar of upper and lower pilot hole and receiver inner chamber, it is characterized in that, described down locating piece is an inverted T-shaped piece, being complementary of the outer end shape of its vertical bar and the following pilot hole of guide's valve body; Described upward locating piece is a plate body, its end face center is offered one and consistent with recipient outer end diameter press-fited through hole and be provided with a positioning boss that can embed pilot hole on guide's valve body in the lower surface, described depression bar inserts upward press-fiting in the through hole of locating piece, can be depressed into the precalculated position to the receiver in the receiver inner chamber that is contained in guide's valve body, and the service aisle of guide's valve body is communicated with the internal channel of receiver.
2, the assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body according to claim 1 is characterized in that, the described through hole that press-fits of going up locating piece has relative flat of datum level with receiver.
3, a kind of assembly method that is used for electrohydraulic servo valve recipient and guide's valve body comprises the following steps:
At first, prepare the assembling jig that is used for electrohydraulic servo valve recipient and guide's valve body as claimed in claim 1, the vertical bar of the following locating piece in the assembling jig is installed in the following pilot hole of guide's valve body and locatees;
Secondly, the positioning boss with last locating piece lower end is embedded in the last pilot hole of guide's valve body;
Then, recipient is installed to press-fiting in the through hole of locating piece;
At last, stretch into press-fiting in the through hole of locating piece with depression bar on the upper pressure axial machine, recipient is pressed into the receiver inner chamber of guide's valve body, till the upper surface applying of the lower surface of recipient and following locating piece.
4, the assembly method that is used for electrohydraulic servo valve recipient and guide's valve body according to claim 3 is characterized in that, described in down locating piece assembles with guide's valve body both composition surfaces be adjacent to.
5, the assembly method that is used for electrohydraulic servo valve recipient and guide's valve body according to claim 3 is characterized in that, described in the assembling of last locating piece and guide's valve body both composition surfaces be adjacent to.
CNA2007100402809A 2007-04-29 2007-04-29 Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof Pending CN101293337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100402809A CN101293337A (en) 2007-04-29 2007-04-29 Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100402809A CN101293337A (en) 2007-04-29 2007-04-29 Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof

Publications (1)

Publication Number Publication Date
CN101293337A true CN101293337A (en) 2008-10-29

Family

ID=40064012

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100402809A Pending CN101293337A (en) 2007-04-29 2007-04-29 Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof

Country Status (1)

Country Link
CN (1) CN101293337A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102323141A (en) * 2011-08-18 2012-01-18 上海华碧检测技术有限公司 Universal material testing machine sample placement positioner and application method thereof
GB2502384A (en) * 2012-05-21 2013-11-27 Adey Holdings 2008 Ltd Separator device
CN104385196A (en) * 2014-09-20 2015-03-04 弗瑞斯阀门(宁波)有限公司 Auxiliary valve body assembly tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102323141A (en) * 2011-08-18 2012-01-18 上海华碧检测技术有限公司 Universal material testing machine sample placement positioner and application method thereof
CN102323141B (en) * 2011-08-18 2013-09-25 上海华碧检测技术有限公司 Universal material testing machine sample placement positioner and application method thereof
GB2502384A (en) * 2012-05-21 2013-11-27 Adey Holdings 2008 Ltd Separator device
GB2502384B (en) * 2012-05-21 2020-06-03 Adey Holdings 2008 Ltd Separator device
CN104385196A (en) * 2014-09-20 2015-03-04 弗瑞斯阀门(宁波)有限公司 Auxiliary valve body assembly tool

Similar Documents

Publication Publication Date Title
CN201175836Y (en) Drilling jig for shaft-like parts
CN201287270Y (en) Mandrel body for lathe work of pressure booster primary shaft
CN201020623Y (en) Internal-bulging type hydraulic cylinder for positioning engine cylinder
CN201333630Y (en) Processing clamp for connecting bolt holes on bottom surface of support saddle of cross beam of oil pumping unit
CN105290737A (en) Machining method for casing casting part
CN101293337A (en) Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof
CN201183185Y (en) Special fixture for welding automobile rear axle assembly
CN101450442B (en) Press-fitting tool between the nozzle of electro-hydraulic servo valve and nozzle shell
CN201833304U (en) Assembling jig for receiver and pilot valve in electro-hydraulic servo valve
CN202278401U (en) Cylinder hole clamp for positioning and fine boring of main and auxiliary shaft holes
CN102101195B (en) Hydraulic milling fixture for multi-position precision machining of square housing
CN201346678Y (en) Fast welding tooling
CN101176971A (en) Tools for processing and loading clamp armature component of electro-hydraulic servo valve
CN204967562U (en) Rotor permanent magnet bonds and fixes a position frock
CN202224789U (en) Tooling for processing thin-walled parts easy to deform
CN106002416B (en) A kind of gauge for rotating processing gas inlet rocking arm
CN102248418B (en) Automatic positioning wrench work clamp
CN201579698U (en) Grinding jig ensuring high accuracy and coaxiality
CN203751791U (en) Disc type special-shaped part two-end-surface turning and inclined hole processing clamp
CN101293326A (en) Clamping apparatus for primary seat boring machine of electrohydraulic servo valve
CN209157145U (en) A kind of tailstock assemblies of lathe
CN209424822U (en) It is a kind of for clamping the tooling of irregular workpiece
CN202147025U (en) Power chuck assembly
CN104439415A (en) Special double spring pin drill jig for hydraulic motor shell
CN101450394B (en) Processing clamp for through-hole on armature of electrohydraulic servo valve

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20081029