CN112122846A - Self-adaptive compressing and positioning tool and positioning method for lock wire lug - Google Patents
Self-adaptive compressing and positioning tool and positioning method for lock wire lug Download PDFInfo
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- CN112122846A CN112122846A CN201910547939.2A CN201910547939A CN112122846A CN 112122846 A CN112122846 A CN 112122846A CN 201910547939 A CN201910547939 A CN 201910547939A CN 112122846 A CN112122846 A CN 112122846A
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- pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a self-adaptive compressing and positioning tool and a self-adaptive compressing and positioning method for a lock wire lug, wherein the positioning tool comprises a tool main body, a compressing assembly and a connecting assembly, and the tool main body is provided with a positioning hole for inserting a first end of the lock wire lug; the pressing assembly is mounted on the tool main body and used for pressing the second end of the lock wire lug; the connecting assembly is installed on the tool main body, and the connecting assembly is used for fixing the tool main body and the casing. The self-adaptive compressing and positioning tool and the positioning method for the lockwire lug are designed with the aim of practical site and convenient operation during positioning and clamping of the lockwire lug on the aero-engine case, and the design idea of self-adaptive rapid positioning and compressing is applied, so that one-time clamping and positioning of the lockwire lug is realized, the clamping and positioning operation before welding of the lockwire lug is simplified, the processing efficiency is improved, the processing cost is saved, and the stability and the consistency of welding of the lockwire lug are finally ensured.
Description
Technical Field
The invention relates to a self-adaptive compressing and positioning tool for a lock wire lug.
The invention also relates to a locking wire lug positioning method.
Background
The aeroengine, usually work under adverse circumstances, its mechanical material receives the coupling effect of strong impact load, thermal stress, mechanical load, and the casing rigidity and vibration frequency usually receive the influence of bolt quantity, bolt distribution and bolt pretightning force, and the bolt usually needs to cooperate with the lock wire lug that welds on the casing and the fuse that installs on the lock wire lug to fix in the connection process.
The locking wire lug is generally welded by manual positioning, but is smaller and L-shaped, is inconvenient to fix and is not clamped by a fixed clamping tool. In the welding process, the worker is held by hands to fix, the position of the lock wire lug is difficult to guarantee, the reference is not aligned well, and the lock wire lug is generally positioned by experience, so that the consistency after the fuse is finally installed is poor, the moment of the fuse is insufficient, the nut is easy to fall off in the long-term use process, and even serious accidents are caused. In addition, in the manual alignment process, the time consumption is large, and the production efficiency is low.
Disclosure of Invention
The invention aims to provide a self-adaptive compressing and positioning tool and a self-adaptive compressing and positioning method for a lockwire lug, and the problem that the lockwire lug is difficult to position in the welding process is solved.
In order to solve the above problems, the present invention provides the following technical solutions:
the invention provides a self-adaptive compressing and positioning tool for a lock wire lug, which is used for fixing the lock wire lug, wherein two ends of the lock wire lug are respectively a first end and a second end, and the positioning tool comprises:
the tool main body is provided with a positioning hole for inserting the first end of the lock wire lug;
the pressing assembly is mounted on the tool main body and used for pressing the second end of the lock wire lug;
and the connecting assembly is arranged on the tool main body, and the connecting assembly is used for fixing the tool main body and the casing.
In the technical scheme, the first end and the second end of the lock wire lug are positioned through the positioning hole and the pressing assembly, the tool main body and the case are fixed through the connecting assembly, so that the positions of the lock wire lug and the case are relatively fixed, the position stability of the lock wire lug in the welding process is ensured, the clamping is simple, and the repeatability is good.
Preferably, the pressing assembly comprises a pressing rod and a pressing spring, a limiting flange protruding outwards in the radial direction is formed at one end of the pressing rod, a pressing surface is formed at the other end of the pressing rod, a through mounting hole is formed in the tool main body, the pressing rod penetrates through the mounting hole, the pressing spring is sleeved on the pressing rod, and two ends of the pressing spring are respectively connected to the limiting flange and the tool main body; when the pressing surface of the pressing rod presses the second end of the lock wire lug, the pressing spring is in a stretching state.
In the technical scheme, when the pressing surface of the pressing rod presses the second end of the lock wire lug, the pressing spring is in a stretching state, and the pressing surface of the pressing rod always applies certain pressure to the second end of the lock wire lug to fix the second end of the lock wire lug.
Preferably, one end, far away from the limiting flange, of the pressing rod is provided with a pressing block, and the pressing surface is located on the pressing block.
In the technical scheme, the diameter of the pressing block is determined according to the area requirement of the pressing surface, so that the pressing surface has enough pressing force when pressing the second end of the locking wire lug, and the positioning effect is ensured.
Preferably, the tool main body is provided with a positioning surface for being attached to the casing; when the pressing assembly is not stressed, the pressing surface and the positioning surface are on the same plane.
In this technical scheme, when the second end of lockwire auricle was located the below of pressing the face, the locating surface laminated with the machine casket mutually, the second end of lockwire auricle was pressed the subassembly by pressing on the machine casket.
Preferably, a threaded hole is formed in the casing; the connecting component comprises a connecting bolt, the tool main body is provided with a through connecting hole, and the connecting bolt penetrates through the connecting hole and then is in threaded connection with a threaded hole of the casing.
In the technical scheme, when the connecting bolt is not screwed down, the tool main body can rotate around the connecting bolt to adjust the position of the tool main body; after the tool main body is adjusted in place, the connecting bolt is screwed down, and the tool main body and the casing can be fixed.
Preferably, the tool main body is further provided with a datum plane, and the datum plane is used for being attached to a positioning datum.
In the technical scheme, when the reference surface is attached to the positioning reference, the tool main body is installed in place, and then the tool main body and the casing can be fixed.
Preferably, the first end of the locking wire lug is perpendicular to the second end of the locking wire lug, the pressing component is provided with a pressing surface for pressing the second end of the locking wire lug, and the pressing surface is perpendicular to the extending direction of the positioning hole.
In the technical scheme, the first end of the lock wire lug is perpendicular to the second end of the lock wire lug, and the pressing surface needs to be perpendicular to the extending direction of the positioning hole and can be matched with the shape of the lock wire lug.
The invention provides a locking wire lug positioning method, which uses the positioning tool and comprises the following steps:
s1, inserting the first end of the lock wire lug into the positioning hole of the tool main body, and placing the second end of the lock wire lug below the pressing component;
s2, mounting the tool main body on the casing through the connecting component;
s3, adjusting the tool main body to a preset position;
s4, the tool main body and the casing are fixed through the connecting assembly, and the second end of the lockwire lug is pressed on the casing through the pressing assembly.
In the technical scheme, after the position between the lock wire lug and the casing is fixed by the positioning method, the welding work of the lock wire lug can be carried out.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the self-adaptive compressing and positioning tool and the positioning method for the lockwire lug are designed with the aim of practical site and convenient operation during positioning and clamping of the lockwire lug on the aero-engine case, and the design idea of self-adaptive rapid positioning and compressing is applied, so that one-time clamping and positioning of the lockwire lug is realized, the clamping and positioning operation before welding of the lockwire lug is simplified, the processing efficiency is improved, the processing cost is saved, and the stability and the consistency of welding of the lockwire lug are finally ensured.
Drawings
Fig. 1 is a schematic structural view of the self-adaptive compressing and positioning tool for the lock wire lug.
Fig. 2 is a schematic structural view of a tool main body of the locking wire lug self-adaptive pressing and positioning tool shown in fig. 1.
Fig. 3 is a combined schematic view of the locking wire lug self-adaptive pressing and positioning tool shown in fig. 1 and a locking wire lug connected with each other.
Description of the reference numerals
Lockwire tab 100, first end 101, second end 102;
the tool comprises a tool main body 1, positioning holes 11, mounting holes 12, positioning surfaces 13, connecting holes 14 and a reference surface 15; the pressing assembly 2, the pressing rod 21, the pressing spring 22, the limiting flange 23, the pressing surface 24 and the pressing block 25; the connecting component 3 is connected with the bolt 31.
Detailed Description
The present invention is further described in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from those described herein, and it will be readily appreciated by those skilled in the art that the present invention can be implemented in many different forms without departing from the spirit and scope of the invention.
Fig. 1 shows an embodiment of a self-adaptive compressing and positioning tool for lock wire lugs according to the present invention. The locking wire lug is fixed by using the positioning tool as shown in fig. 3, wherein two ends of the locking wire lug 100 are respectively a first end 101 and a second end 102, the locking wire lug 100 is integrally L-shaped, and the first end 101 of the locking wire lug 100 is perpendicular to the second end 102 of the locking wire lug 100.
As shown in fig. 1 to 3, the positioning tool comprises a tool body 1, a pressing component 2 and a connecting component 3, wherein the tool body 1 is provided with a positioning hole 11 for inserting a first end 101 of a lockwire lug 100; the pressing component 2 is installed on the tool main body 1, and the pressing component 2 is used for pressing the second end 102 of the lockwire lug 100; coupling assembling 3 installs on tool body 1, and coupling assembling 3 is used for fixing tool body 1 and machine casket.
The first end 101 and the second end 102 of the lock wire lug 100 are positioned through the positioning hole 11 and the pressing component 2, the tool body 1 and the casing are fixed through the connecting component 3, the positions of the lock wire lug 100 and the casing are relatively fixed, the stability of the position of the lock wire lug 100 in the welding process is guaranteed, the clamping is simple, and the repeatability is good.
The pressing assembly 2 comprises a pressing rod 21 and a pressing spring 22, a limiting flange 23 protruding outwards in the radial direction is formed at one end of the pressing rod 21, a pressing surface 24 is formed at the other end of the pressing rod 21, a through mounting hole 12 is formed in the tool main body 1, the pressing rod 21 penetrates through the mounting hole 12, the pressing spring 22 is sleeved on the pressing rod 21, and two ends of the pressing spring 22 are respectively connected to the limiting flange 23 and the tool main body 1; when the pressing surface 24 of the pressing lever 21 presses the second end 102 of the locking wire tab 100, the pressing spring 22 is in a stretched state.
The hold down spring 22 is in tension as the hold down surface 24 of the hold down lever 21 presses against the second end 102 of the lockwire tab 100. Therefore, the pressing surface 24 of the pressing rod 21 always applies a certain pressure to the second end 102 of the lockwire tab 100, and the second end 102 of the lockwire tab 100 is fixed.
In order to ensure the area of the pressing surface 24 and achieve a better pressing effect, a pressing block 25 is arranged at one end of the pressing rod 21 away from the limiting flange 23, and the pressing surface 24 is located on the pressing block 25. The diameter of the pressing block 25 is determined according to the area requirement of the pressing surface 24, so that the pressing surface 24 has sufficient pressing force when pressing the second end 102 of the lock wire lug 100, and the positioning effect is ensured.
Since the locking wire lug 100 is L-shaped as a whole, the first end 101 of the locking wire lug 100 is perpendicular to the second end 102 of the locking wire lug 100, and the pressing surface 24 needs to be set to be perpendicular to the extending direction of the positioning hole 11.
The tool body 1 is provided with a positioning surface 13 for being attached to a casing; when the pressing assembly 2 is not stressed, the pressing surface 24 and the positioning surface 13 are on the same plane. When the second end 102 of the lockwire tab 100 is located below the pressing surface 24, the positioning surface 13 is attached to the casing, and the second end 102 of the lockwire tab 100 is pressed against the casing by the pressing member 2.
The casing is usually provided with a threaded hole. Therefore, the connecting assembly 3 comprises a connecting bolt 31, the tool main body 1 is provided with a through connecting hole 14, and the connecting bolt 31 penetrates through the connecting hole 14 and then is in threaded connection with a threaded hole of the casing. When the connecting bolt 31 is not tightened, the tool body 1 can rotate around the connecting bolt 31 to adjust the position of the tool body 1. After the tool body 1 is adjusted in place, the connecting bolt 31 is screwed down, and the tool body 1 and the casing can be fixed together.
The tool body 1 is further provided with a datum plane 15, and the datum plane 15 is used for being attached to a positioning datum. When the reference surface 15 is attached to the positioning reference, the tool body 1 is already installed in place, and the tool body 1 and the casing can be fixed together.
The positioning method for positioning the lock wire lug by using the positioning tool comprises the following steps:
s1, inserting the first end 101 of the lockwire lug 100 into the positioning hole 11 of the tool main body 1, and placing the second end 102 of the lockwire lug 100 below the pressing surface 24 of the pressing component 2;
s2, mounting the tool main body 1 on the casing through the connecting component 3; the connecting bolt 31 is threaded with the threaded hole of the casing after penetrating through the connecting hole 14;
s3, adjusting the tool main body 1 to a preset position to enable the datum plane 15 to be attached to the positioning datum;
s4, fixing the tool main body 1 and the casing through the connecting component 3, and pressing the second end 102 of the lockwire lug 100 through the pressing component 2; specifically, the connecting bolt 31 is tightened to fix the tool body 1 and the casing; the pressing rod 21 is lifted, the pressing surface 24 presses the second end 102 of the lockwire tab 100, and the pressing spring 22 keeps a stretching state, so that the pressing surface 24 always keeps a certain pressing force on the second end 102 of the lockwire tab 100.
After the position between the locking wire lug 100 and the casing is fixed, the welding operation of the locking wire lug 100 can be performed.
The self-adaptive compressing and positioning tool and the positioning method for the lock wire lug are designed based on structural characteristics of an engine case and the position relation between a bolt hole and the lock wire lug, aiming at the problem that the lock wire lug is small and inconvenient to fix.
This locking wire auricle self-adaptation compresses tightly location frock, the precision is high, satisfies the welding position requirement based on aeroengine casket self structural feature, and design locating hole and compress tightly fix the position of face locking wire auricle, adjust the locking wire auricle position through the benchmark face, finally reach the position requirement in the drawing, guarantee finally welding process, the uniformity of locking wire auricle position.
This location frock, the clamping is simple, and the repeatability is good, and the workman only need screw up connecting bolt fixed and with the lock silk auricle insert the locating hole in, through the reference surface to the adjustment of lock silk auricle, easy operation, the repeatability is good. The positioning tool is simple in structure and low in cost, consists of a tool main body, two bolts and a compression spring, and is few in constituent elements, and the tool main body is simple in structure, so that the manufacturing cost of tool machining is reduced.
Although the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the invention, and variations and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of protection defined by the claims of the present invention, unless departing from the content of the technical solution of the present invention.
Claims (8)
1. The utility model provides a lock silk auricle self-adaptation compresses tightly location frock, location frock is used for fixed lock silk auricle, the both ends of lock silk auricle are first end and second end respectively, its characterized in that, location frock includes:
the tool main body is provided with a positioning hole for inserting the first end of the lock wire lug;
the pressing assembly is mounted on the tool main body and used for pressing the second end of the lock wire lug;
and the connecting assembly is arranged on the tool main body, and the connecting assembly is used for fixing the tool main body and the casing.
2. The self-adaptive compressing and positioning tool for the lock wire lug plates according to claim 1, characterized in that: the pressing assembly comprises a pressing rod and a pressing spring, a limiting flange which protrudes outwards in the radial direction is formed at one end of the pressing rod, a pressing surface is formed at the other end of the pressing rod, a through mounting hole is formed in the tool main body, the pressing rod penetrates through the mounting hole, the pressing spring is sleeved on the pressing rod, and two ends of the pressing spring are connected to the limiting flange and the tool main body respectively; when the pressing surface of the pressing rod presses the second end of the lock wire lug, the pressing spring is in a stretching state.
3. The self-adaptive compressing and positioning tool for the lock wire lug plate according to claim 2, characterized in that: and a pressing block is arranged at one end, away from the limiting flange, of the pressing rod, and the pressing surface is located on the pressing block.
4. The self-adaptive compressing and positioning tool for the lock wire lug plate according to claim 2, characterized in that: the tool main body is provided with a positioning surface which is used for being attached to the casing; when the pressing assembly is not stressed, the pressing surface and the positioning surface are on the same plane.
5. The self-adaptive compressing and positioning tool for the lock wire lug plates according to claim 1, characterized in that: the casing is provided with a threaded hole; the connecting component comprises a connecting bolt, the tool main body is provided with a through connecting hole, and the connecting bolt penetrates through the connecting hole and then is in threaded connection with a threaded hole of the casing.
6. The self-adaptive compressing and positioning tool for the lock wire lug plates according to claim 1, characterized in that: the tool main body is further provided with a datum plane, and the datum plane is used for being attached to a positioning datum.
7. The self-adaptive compressing and positioning tool for the lock wire lug plates according to claim 1, characterized in that: the first end of the lock wire lug is perpendicular to the second end of the lock wire lug, the pressing assembly is provided with a pressing surface used for pressing the second end of the lock wire lug, and the pressing surface is perpendicular to the extending direction of the positioning hole.
8. A lockwire lug plate positioning method, which uses the positioning tool of any one of claims 1 to 7, and is characterized by comprising the following steps:
s1, inserting the first end of the lock wire lug into the positioning hole of the tool main body, and placing the second end of the lock wire lug below the pressing component;
s2, mounting the tool main body on the casing through the connecting component;
s3, adjusting the tool main body to a preset position;
s4, the tool main body and the casing are fixed through the connecting assembly, and the second end of the lockwire lug is pressed on the casing through the pressing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547939.2A CN112122846A (en) | 2019-06-24 | 2019-06-24 | Self-adaptive compressing and positioning tool and positioning method for lock wire lug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547939.2A CN112122846A (en) | 2019-06-24 | 2019-06-24 | Self-adaptive compressing and positioning tool and positioning method for lock wire lug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112122846A true CN112122846A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910547939.2A Pending CN112122846A (en) | 2019-06-24 | 2019-06-24 | Self-adaptive compressing and positioning tool and positioning method for lock wire lug |
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|---|---|
| CN (1) | CN112122846A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011590A (en) * | 2000-06-28 | 2002-01-15 | Sumitomo Wiring Syst Ltd | Jig for laser beam welding |
| CN202377724U (en) * | 2011-12-01 | 2012-08-15 | 南车青岛四方机车车辆股份有限公司 | Flexible pressing device |
| CN104261128A (en) * | 2014-09-15 | 2015-01-07 | 安徽巨一自动化装备有限公司 | Gripping hoist pressing mechanism with various pressing heights |
| CN205343303U (en) * | 2016-01-29 | 2016-06-29 | 苏州华尔迪胶粘五金制品有限公司 | Die cutting machine |
| CN107803758A (en) * | 2017-11-30 | 2018-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of casing coating test piece preparation clamping mechanism that can compensate thrust automatically |
| CN208196605U (en) * | 2018-05-11 | 2018-12-07 | 无锡威孚力达催化净化器有限责任公司 | Constant force hold-down mechanism |
-
2019
- 2019-06-24 CN CN201910547939.2A patent/CN112122846A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011590A (en) * | 2000-06-28 | 2002-01-15 | Sumitomo Wiring Syst Ltd | Jig for laser beam welding |
| CN202377724U (en) * | 2011-12-01 | 2012-08-15 | 南车青岛四方机车车辆股份有限公司 | Flexible pressing device |
| CN104261128A (en) * | 2014-09-15 | 2015-01-07 | 安徽巨一自动化装备有限公司 | Gripping hoist pressing mechanism with various pressing heights |
| CN205343303U (en) * | 2016-01-29 | 2016-06-29 | 苏州华尔迪胶粘五金制品有限公司 | Die cutting machine |
| CN107803758A (en) * | 2017-11-30 | 2018-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of casing coating test piece preparation clamping mechanism that can compensate thrust automatically |
| CN208196605U (en) * | 2018-05-11 | 2018-12-07 | 无锡威孚力达催化净化器有限责任公司 | Constant force hold-down mechanism |
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Application publication date: 20201225 |
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| RJ01 | Rejection of invention patent application after publication |