CN117399475A - Manual pipe bending device of oil supply pipeline of turbojet engine - Google Patents
Manual pipe bending device of oil supply pipeline of turbojet engine Download PDFInfo
- Publication number
- CN117399475A CN117399475A CN202311730129.3A CN202311730129A CN117399475A CN 117399475 A CN117399475 A CN 117399475A CN 202311730129 A CN202311730129 A CN 202311730129A CN 117399475 A CN117399475 A CN 117399475A
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- Prior art keywords
- pipeline
- seat
- follow
- guide rail
- compression
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- 238000005452 bending Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000006835 compression Effects 0.000 claims description 56
- 238000007906 compression Methods 0.000 claims description 56
- 238000000034 method Methods 0.000 abstract description 12
- 238000003825 pressing Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The application discloses a manual pipe bending device of an oil supply pipeline of a turbojet engine, which comprises a rotary pushing mechanism, a bending distance adjusting mechanism and a bending mechanism; the rotary pushing mechanism includes: a base; a guide rail; a movable seat; the pipeline clamp is rotationally arranged on the movable seat; a first dial; the first pointer points to the first dial and is used for determining the rotation angle of the pipeline clamp; the locking assembly is used for locking the pipeline clamp after the pipeline clamp rotates in place; the bending distance adjusting mechanism includes: an adjusting plate having a bar-shaped hole; the elastic pull pins are arranged at the strip-shaped holes of the adjusting plate, can move along the length direction of the strip-shaped holes and are fixed on the adjusting plate after moving in place, and are used for being matched with the moving seat to quickly position the position of the moving seat on the guide rail; and the bending mechanism is used for bending the pipeline. The method and the device can shorten operation steps, greatly improve working efficiency, and can be suitable for the bending operation of the three-dimensional space complex pipeline.
Description
Technical Field
The invention relates to the field of pipe bending tools, in particular to a manual pipe bending device of an oil supply pipeline of a turbojet engine.
Background
On the narrow space layout of the engine, the external pipeline of the engine needs to be bent with different bent pipe radiuses to avoid other accessories of the engine, thereby realizing the installation of the pipeline.
Patent literature with the authority bulletin number of CN 216705576U discloses a pipe bender compatible with multi-size pipelines, including unable adjustment base, return bend handle and return bend wheel, be equipped with the fixed block that is used for fixed different pipe diameter steel pipes on the return bend handle, the fixed block is installed in return bend handle and return bend wheel junction, the return bend handle passes through the return bend wheel to be connected on unable adjustment base, unable adjustment base is firmly fixed the pipe bender main part on machine or desktop, provide more stable return bend condition, the steel pipe is put into return bend wheel and return bend handle junction, the user is handed the return bend handle and is buckled required steel pipe through return bend wheel rotation.
The above patent documents have the following problems:
(1) If the bending number of the same pipeline is large, the bending distance of the pipeline cannot be accurately controlled, and the consistency of mass production is poor;
(2) The same pipeline is repeatedly disassembled and assembled in a large quantity, the required interval is measured, and the steps are complicated;
(3) The bending of the pipeline with complex three-dimensional space cannot be realized.
Disclosure of Invention
The invention aims at the problems and overcomes at least one defect, and provides a manual pipe bending device of an oil supply pipeline of a turbojet engine.
The technical scheme adopted by the invention is as follows:
a manual pipe bending device of an oil supply pipeline of a turbojet engine comprises a rotary pushing mechanism, a bending distance adjusting mechanism and a bending mechanism;
the rotary pushing mechanism includes:
a base;
the guide rail is fixed on the base;
the movable seat is slidably arranged on the guide rail;
the pipeline clamp is rotatably arranged on the movable seat, the rotation axis of the pipeline clamp is parallel to the guide rail, and the pipeline clamp is used for allowing a pipeline to pass through and clamping the pipeline to be treated;
the first dial is arranged on the pipeline clamp, and the axis of the first dial is coincident with the rotation axis of the pipeline clamp;
the first pointer is fixed relative to the movable seat, points to the first dial and is used for determining the rotation angle of the pipeline clamp; and
the locking assembly is arranged on the movable seat and used for locking the pipeline clamp after the pipeline clamp rotates in place;
the bending distance adjusting mechanism includes:
the adjusting plate is fixed on the base and positioned at one side of the guide rail, and a strip-shaped hole is formed in the adjusting plate; and
the elastic pull pins are arranged at the strip-shaped holes of the adjusting plate, can move along the length direction of the strip-shaped holes and are fixed on the adjusting plate after moving in place, and are used for being matched with the movable seat to quickly position the movable seat on the guide rail;
the bending mechanism is arranged on the base and is adjacent to one end of the guide rail, and the bending mechanism is used for bending the pipeline.
According to the method, the quick positioning of the movable seat can be realized through the arrangement of the bending distance adjusting mechanism, namely, the position of the elastic pull pin is determined firstly, the determination of the movable seat can be realized quickly through the positioning of the elastic pull pin, the mode can effectively ensure the consistency of mass production of pipelines, and when one pipeline is bent at a plurality of positions, the operation steps can be shortened, the working efficiency is greatly improved, and the cost is reduced; the pipeline clamp, the first dial, the first pointer and the locking assembly are designed, so that the rotation angle of the pipeline can be accurately adjusted, and the three-dimensional space complex pipeline bending operation can be applied.
In practical use, the elastic pull pin is positioned in various ways, such as by inserting into a positioning hole of the movable seat; the positioning is also carried out, for example, by two groups of elastic pull pins, the mobile seat being located between two adjacent elastic pull pins.
In an embodiment of the invention, the bending distance adjusting mechanism further includes a scale fixed relative to the base, and the scale is parallel to the guide rail.
The design of the graduated scale is convenient for adjusting the position of the elastic pull pin according to the process requirement (bending position), and in addition, the position of the movable seat can be visually checked.
In one embodiment of the present invention, the pipeline clamp is a three-jaw chuck; the pipeline clamp is rotatably arranged on the movable seat through a rotating shaft;
the locking assembly includes:
the adjusting press block is arranged on the movable seat, and the rotating shaft of the pipeline clamp is positioned between the adjusting press block and the movable seat;
the end part of the locking screw rod passes through the adjusting press block and then is in threaded connection with the movable seat, and the locking screw rod is used for adjusting the clamping force of the adjusting press block and the movable seat on the rotating shaft.
When the three-dimensional space bent pipe is needed, the locking screw rod is unscrewed, the pipeline clamp can rotate at the moment, the reading of the first pointer pointing to the first dial is observed according to the process requirement to determine the rotation angle, and after the first pointer rotates in place, the pipeline clamp is fixed on the movable seat again by screwing the screw rod.
In one embodiment of the present invention, the rotary pushing mechanism further includes a hand wheel fixed to the rotation shaft of the pipe clamp.
The design of the hand wheel is convenient for adjusting the rotation position of the pipeline clamp.
In one embodiment of the present invention, the elastic pull pin includes:
the body is provided with external threads and penetrates through the strip-shaped hole of the adjusting plate;
the locking nut is in threaded connection with the external thread of the body and is used for fixing the body on the adjusting plate;
the positioning pin is arranged on the body in a sliding way, a first end of the positioning pin penetrates through the body and extends to one side of the guide rail, the first end of the positioning pin is used for being matched with the moving seat, a second end of the positioning pin penetrates through the body, and the second end of the positioning pin is provided with a force application part for being pulled by a human hand;
and the elastic piece is arranged in the body and matched with the positioning pin, and is used for enabling the first end of the positioning pin to have a movement trend of sliding towards one side of the guide rail.
The body, the locating pin and the elastic piece are of a conventional elastic pull pin structure, threads are arranged on the body, and the body can be quickly fixed on the adjusting plate after the body moves in place by combining the locking nut; the design of the force application part is convenient for pulling the positioning pin fast. In practice, the force application portion is preferably a rod-like member parallel to the guide rail.
In an embodiment of the invention, the bending mechanism includes:
the rotating seat is rotatably arranged on the base;
the second dial is arranged on the rotating seat, and the axis of the second dial is coincident with the rotating axis of the rotating seat;
the second pointer is fixed relative to the base, points to the second dial and is used for determining the rotation angle of the rotating seat;
the follower wheel is fixed on the rotating seat and is provided with a first groove matched with the pipeline, and the rotating axis of the follower wheel is overlapped with the rotating axis of the rotating seat;
the compression fixing block is slidably mounted on the rotating seat and is provided with a second groove matched with the pipeline, the compression fixing block is provided with a first compression working position and a first non-compression working position, and the compression fixing block moves to one side of the follower wheel when in the first compression working position and is used for being matched with the follower wheel to compress the pipeline;
the first quick pushing type quick clamp is arranged on the rotating seat and connected with the compression fixing block and used for enabling the compression fixing block to be switched between a first compression working position and a first non-compression working position;
the fixed seat is fixed on the base;
the follow-up assembly is provided with a sliding frame, a follow-up fixed block and an elastic reset piece, the follow-up fixed block is provided with a third groove matched with the pipeline, the sliding frame is slidably mounted on the fixed seat, the sliding direction of the sliding frame is perpendicular to the length direction of the guide rail, the follow-up fixed block is slidably mounted on the sliding frame, the sliding direction of the follow-up fixed block is parallel to the length direction of the guide rail, one end of the elastic reset piece is abutted against the sliding frame, the other end of the elastic reset piece is abutted against the follow-up fixed block, and the elastic reset piece is used for resetting the follow-up fixed block when the follow-up fixed block is not subjected to external force, the follow-up assembly is provided with a second compression working position and a second non-compression working position, and when the second compression working position is used for compressing the pipeline, the sliding frame moves towards one side of the follow-up wheel and is matched with the follow-up wheel;
the second quick pushing type quick clamp is arranged on the fixing seat and connected with the sliding frame and used for enabling the follow-up assembly to be switched between a second compression working position and a second non-compression working position.
The second dial and the second pointer are matched with each other, so that an operator can know a specific bending angle, and accurate bending is convenient to perform according to process requirements; when the pipe is bent, the follow-up fixed block of the follow-up assembly moves along with the bending of the pipeline under the action of friction force, so that the integrity of the bent cross section of the pipeline is ensured.
In one embodiment of the present invention, the first groove includes a circular arc portion and a straight line portion tangent to the circular arc portion,
the compression fixed block is positioned on one side of the follow-up fixed block far away from the movable seat, the rotary seat is provided with a zero position, when the rotary seat is at the zero position and the compression fixed block is in a first compression working position, the compression fixed block is matched with the linear part, and the linear part is parallel to the guide rail;
when the rotating seat is at the zero position and the follow-up assembly is at the second compression working position, the follow-up fixed block is in contact fit or clearance fit with the compression fixed block.
The pipeline can be compressed tightly after compressing tightly fixed block and sharp portion cooperation, can make the pipeline carry out reliable return bend operation after rotating the seat, combines the follow-up fixed block, can effectively guarantee return bend quality.
During practical use, the rotating seat is in the zero position, and the follow-up assembly is in the second compaction working position, and one end of the follow-up fixed block, which is close to the compaction fixed block, is located at the junction of the arc-shaped part and the straight line part.
In one embodiment of the present invention, the following fixed block is fixed with a mounting rod, and the elastic restoring member is a compression spring and is sleeved on the mounting rod. The installation rod is arranged to facilitate the installation and reliable resetting work of the elastic resetting piece.
In one embodiment of the invention, the follower wheels are detachably mounted on the rotating seat, and the follower wheels are multiple and different in size;
the compression fixing blocks are detachably arranged on the rotating seat, a plurality of compression fixing blocks are arranged, and the sizes of different compression fixing blocks are different;
the follow-up fixed block is detachably arranged on the sliding frame, a plurality of follow-up fixed blocks are arranged, and the sizes of different follow-up fixed blocks are different.
The device can be suitable for bending pipelines with different pipe diameters and different bending radiuses by replacing different follower wheels, compressing fixed blocks and follower fixed blocks, and has stronger adaptability.
In one embodiment of the present invention, the moving seat includes:
the first sliding seat is slidably mounted on the guide rail and is provided with a track, and the length direction of the track is perpendicular to the length direction of the guide rail;
the second sliding seat is slidably mounted on the rail;
the fixing structure is used for fixing the second sliding seat and the first sliding seat after the second sliding seat moves in place.
The movable seat is arranged in such a way that the transverse position can be adjusted, and the applicability of the device is stronger.
The beneficial effects of the invention are as follows: according to the method, the quick positioning of the movable seat can be realized through the arrangement of the bending distance adjusting mechanism, namely, the position of the elastic pull pin is determined firstly, the determination of the movable seat can be realized quickly through the positioning of the elastic pull pin, the mode can effectively ensure the consistency of mass production of pipelines, and when one pipeline is bent at a plurality of positions, the operation steps can be shortened, the working efficiency is greatly improved, and the cost is reduced; the pipeline clamp, the first dial, the first pointer and the locking assembly are designed, so that the rotation angle of the pipeline can be accurately adjusted, and the three-dimensional space complex pipeline bending operation can be applied.
Drawings
FIG. 1 is a schematic illustration of a manual pipe bending apparatus for an oil supply line of a turbojet engine;
FIG. 2 is a schematic illustration of another angle of a manual pipe bending device of an oil supply line of a turbojet engine;
FIG. 3 is an enlarged view at A in FIG. 1;
fig. 4 is an enlarged view at B in fig. 1;
fig. 5 is an enlarged view at C in fig. 1;
fig. 6 is an enlarged view at D in fig. 2.
The reference numerals in the drawings are as follows:
1. a rotary pushing mechanism; 11. a base; 12. a guide rail; 13. a movable seat; 131. a first slider; 1311. a track; 132. a second slider; 14. a pipeline clamp; 141. a rotating shaft; 15. a first dial; 16. a first pointer; 17. a locking assembly; 171. adjusting the pressing block; 172. locking the screw rod; 18. a hand wheel; 2. a bending distance adjusting mechanism; 21. an adjustment plate; 211. a bar-shaped hole; 22. an elastic pull pin; 221. a body; 222. a lock nut; 223. a positioning pin; 223a, a first end; 223b, a second end; 2231. a force application part; 23. a graduated scale; 3. a bending mechanism; 31. a rotating seat; 311. a second dial; 312. a follower wheel; 3121. a first groove; 3121a, a circular arc portion; 3121b, a straight portion; 313. compressing the fixed block; 3131. a second groove; 314. a first quick push type quick clamp; 32. a second pointer; 33. a fixing seat; 331. a follower assembly; 3311. a carriage; 3312. a follow-up fixed block; 33121. a third groove; 33122. a mounting rod; 3313. an elastic reset piece; 332. and a second quick push type quick clamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, a manual pipe bending device of an oil supply pipeline of a turbojet engine comprises a rotary pushing mechanism 1, a bending distance adjusting mechanism 2 and a bending mechanism 3;
the rotary pushing mechanism 1 includes:
a base 11;
a guide rail 12 fixed to the base 11;
a movable seat 13 slidably mounted on the guide rail 12;
the pipeline clamp 14 is rotatably arranged on the movable seat 13, the rotation axis 141 of the pipeline clamp 14 is parallel to the guide rail 12, and the pipeline clamp 14 is used for allowing a pipeline to pass through and clamping the pipeline to be treated;
the first dial 15 is arranged on the pipeline clamp 14, and the axis of the first dial 15 coincides with the rotation axis 141 of the pipeline clamp 14;
the first pointer 16 is fixed relative to the movable seat 13, and the first pointer 16 points to the first dial 15 and is used for determining the rotating angle of the pipeline clamp 14; and
a locking assembly 17 mounted on the movable base 13 for locking the pipeline clamp 14 after the pipeline clamp 14 is rotated in place;
the bending distance adjusting mechanism 2 includes:
an adjusting plate 21 fixed on the base 11 and located at one side of the guide rail 12, wherein the adjusting plate 21 has a bar-shaped hole 211; and
the elastic pull pins 22 are arranged at the strip-shaped holes 211 of the adjusting plate 21, the elastic pull pins 22 can move along the length direction of the strip-shaped holes 211 and are fixed on the adjusting plate 21 after moving in place, and the elastic pull pins 22 are used for being matched with the movable seat 13 to quickly position the movable seat 13 on the guide rail 12;
the bending mechanism 3 is arranged on the base 11 and is adjacent to one end of the guide rail 12, and the bending mechanism 3 is used for bending a pipeline.
According to the method, the quick positioning of the movable seat 13 can be realized through the arrangement of the bending distance adjusting mechanism 2, namely, the position of the elastic pull pin 22 is determined firstly, the position of the movable seat 13 can be quickly determined through the positioning of the elastic pull pin 22, the mode can effectively ensure the consistency of mass production of pipelines, and when one pipeline is subjected to multi-position bending, the operation steps can be shortened, the working efficiency is greatly improved, and the cost is reduced; the pipeline clamp 14, the first dial 15, the first pointer 16 and the locking assembly 17 are designed, so that the rotation angle of a pipeline can be accurately adjusted, and the three-dimensional complex pipeline bending operation can be applied.
In practical use, the elastic pull pin 22 of the present application can be positioned in various ways, for example, by inserting into the positioning hole of the movable seat 13; again, for example, by means of two groups of elastic pull pins 22, with the mobile seat 13 between two adjacent elastic pull pins 22.
As shown in fig. 2 and 3, in the present embodiment, the movable base 13 includes:
the first sliding seat 131 is slidably mounted on the guide rail 12, the first sliding seat 131 is provided with a track 1311, and the length direction of the track 1311 is perpendicular to the length direction of the guide rail 12;
a second slider 132 slidably mounted on the rail 1311;
a fixing structure (not shown) for fixing the second slider 132 to the first slider 131 after the second slider 132 is moved into position.
The movable seat 13 is arranged in such a way that the transverse position can be adjusted, and the applicability of the device is stronger. In practice, the fixing structure may be a screw screwed on the second sliding seat 132.
As shown in fig. 1 and 2, in the present embodiment, the bending distance adjusting mechanism 2 further includes a scale 23 fixed relative to the base 11, and the scale 23 is parallel to the guide rail 12.
The design of the graduated scale 23 facilitates the adjustment of the position of the elastic pull pin 22 according to the process requirements (bending position), and in addition, the position of the movable seat 13 can be visually checked.
As shown in fig. 3, in the present embodiment, the pipe clamp 14 is a three-jaw chuck; the pipeline clamp 14 is rotatably arranged on the movable seat 13 through a rotating shaft 141;
the locking assembly 17 includes:
an adjusting press block 171 mounted on the moving seat 13, and a rotating shaft 141 of the pipe clamp 14 is positioned between the adjusting press block 171 and the moving seat 13;
the end part of the locking screw rod 172 passes through the adjusting press block 171 and then is in threaded connection with the movable seat 13, and the locking screw rod 172 is used for adjusting the clamping force of the adjusting press block 171 and the movable seat 13 on the rotating shaft 141.
When the three-dimensional space pipe bending is needed, the locking screw 172 is unscrewed, the pipe clamp 14 can rotate at this time, the reading of the first pointer 16 pointing to the first dial 15 is observed according to the process requirement to determine the rotation angle, and after the pipe clamp is rotated in place, the pipe clamp 14 is fixed on the movable seat 13 again by screwing the screw 172.
As shown in fig. 1, 2 and 3, in the present embodiment, the rotary pushing mechanism 1 further includes a hand wheel 18 fixed to the rotation shaft 141 of the line clamp 14. The design of the hand wheel 18 facilitates adjustment of the rotational position of the line clamp 14.
As shown in fig. 4, in the present embodiment, the elastic pull pin 22 includes:
a body 221, the body 221 having external threads thereon, the body 221 passing through the bar-shaped hole 211 of the adjustment plate 21;
a lock nut 222 screwed with the external thread of the body 221, the lock nut 222 being used to fix the body 221 on the adjustment plate 21;
the positioning pin 223 is slidably arranged on the body 221, a first end 223a of the positioning pin 223 passes through the body 221 and extends to one side of the guide rail 12, the first end 223a of the positioning pin 223 is used for being matched with the movable seat 13, a second end 223b of the positioning pin 223 passes through the body 221, and the second end 223b of the positioning pin 223 is provided with a force application part 2231 for being manually pulled;
an elastic member (not shown) is provided in the body 221 to be engaged with the positioning pin 223, for making the first end 223a of the positioning pin 223 have a movement tendency to slide toward the side of the guide rail 12.
The body 221, the positioning pin 223 and the elastic piece are of a conventional elastic pull pin 22 structure, threads are arranged on the body 221, and the body 221 can be quickly fixed on the adjusting plate 21 after the body 221 moves in place by combining the locking nut 222; the biasing portion 2231 is designed to facilitate quick pulling of the alignment pin 223. In actual use, the force application portion 2231 is preferably a rod-like member parallel to the guide rail 12.
As shown in fig. 5 and 6, in the present embodiment, the bending mechanism 3 includes:
a rotation seat 31 rotatably installed on the base 11;
the second dial 311 is arranged on the rotating seat 31, and the axis of the second dial 311 is coincident with the rotating shaft 141 of the rotating seat 31;
the second pointer 32 is fixed relative to the base 11, and the second pointer 32 points to the second dial 311 for determining the rotation angle of the rotating seat 31;
a follower wheel 312 fixed on the rotary seat 31, wherein the follower wheel 312 is provided with a first groove 3121 matched with the pipeline, and the rotation axis 141 of the follower wheel 312 coincides with the rotation axis 141 of the rotary seat 31;
the pressing fixed block 313 is slidably mounted on the rotating seat 31, the pressing fixed block 313 is provided with a second groove 3131 matched with the pipeline, the pressing fixed block 313 is provided with a first pressing working position and a first non-pressing working position, and the pressing fixed block 313 moves to the follower wheel 312 side in the first pressing working position and is used for being matched with the follower wheel 312 to press the pipeline;
a first quick push type quick clamp 314 mounted on the rotating base 31, the first quick push type quick clamp 314 being connected with the pressing fixed block 313 for switching the pressing fixed block 313 between a first pressing working position and a first non-pressing working position;
a fixed base 33 fixed to the base 11;
the follower component 331, the follower component 331 has the slide frame 3311, follower fixed block 3312 and elastic reset piece 3313, the follower fixed block 3312 has the bar-shaped third recess 33121 cooperating with pipeline, the slide frame 3311 is slipped and installed on fixed base 33, the sliding direction of the slide frame 3311 is perpendicular to length direction of the guide rail 12, the follower fixed block 3312 is slipped and installed on slide frame 3311, the sliding direction of the follower fixed block 3312 is parallel to length direction of the guide rail 12, one end of elastic reset piece 3313 is abutted against slide frame 3311, another end is abutted against follower fixed block 3312, used for making follower fixed block 3312 reset when the follower fixed block 3312 is not stressed by the external force, the follower component 331 has second and compresses the working position of second, in the second compresses the working position, the slide frame 3311 moves to the side of follower wheel 312, the follower fixed block 3312 cooperates with follower wheel 312, compress the pipeline;
a second quick-push type quick clamp 332, mounted on the fixed base 33, the second quick-push type quick clamp 332 is connected with the carriage 3311 for switching the follower assembly 331 between the second pressing operation position and the second non-pressing operation position.
The second dial 311 and the second pointer 32 are matched with each other, so that an operator can know a specific bending angle, and accurate bending is convenient according to process requirements; when the pipe is bent, the follow-up fixing block 3312 of the follow-up component 331 moves along with the bending of the pipe under the action of friction force, so that the integrity of the bent cross section of the pipe is ensured.
As shown in fig. 5, in the present embodiment, the first groove 3121 includes a circular arc portion 3121a and a straight portion 3121b tangent to the circular arc portion 3121a,
the pressing fixed block 313 is located on one side of the follow-up fixed block 3312 away from the movable seat 13, the rotary seat 31 has a zero position, when the rotary seat 31 is at the zero position, and when the pressing fixed block 313 is in the first pressing working position, the pressing fixed block 313 is matched with the linear part 3121b, and the linear part 3121b is parallel to the guide rail 12;
the follower block 3312 is in contact or clearance fit with the press-fit block 313 when the rotary seat 31 is in the zero position and the follower assembly 331 is in the second press-fit operating position.
The pressing fixing block 313 can press the pipeline after being matched with the straight line part 3121b, the pipeline can be reliably bent after the rotating seat 31 is rotated, and the quality of the bent pipe can be effectively ensured by combining the follow-up fixing block 3312.
In actual use, when the rotating seat 31 is at the zero position and the follower component 331 is at the second pressing position, one end of the follower fixing block 3312, which is close to the pressing fixing block 313, is located at the junction of the circular arc portion 3121a and the straight line portion 3121 b.
As shown in fig. 5 and 6, in the present embodiment, the mounting rod 33122 is fixed on the follower fixing block 3312, the elastic restoring member 3313 is a compression spring, and the elastic restoring member 3313 is sleeved on the mounting rod 33122. The mounting bar 33122 is provided to facilitate the mounting and reliable resetting operation of the resilient resetting member 3313.
In the present embodiment, the follower wheels 312 are detachably mounted on the rotating base 31, and there are a plurality of follower wheels 312, and the sizes of different follower wheels 312 are different;
the compression fixing blocks 313 are detachably arranged on the rotating seat 31, a plurality of compression fixing blocks 313 are arranged, and the sizes of different compression fixing blocks 313 are different;
the follower fixing block 3312 is detachably mounted on the carriage 3311, and there are a plurality of follower fixing blocks 3312, and the sizes of different follower fixing blocks 3312 are different.
The arrangement can be suitable for the pipeline bending with different pipe diameters and different bending radiuses by replacing the follower wheels 312, the compression fixing blocks 313 and the follower fixing blocks 3312, and the adaptability of the device is stronger.
The manual pipe bending device of the oil supply pipeline of the turbojet engine comprises the following specific working procedures:
firstly, corresponding follower wheel 312, compression fixed block 313 and follower fixed block 3312 are selected for installation according to the required radius of the bent pipe and the diameter of the pipeline (stainless steel pipe), then hand wheel 18 is adjusted to enable first pointer 16 to point to the zero position of first dial 15, rotating seat 31 is adjusted to enable second pointer 32 to point to the zero position of second dial 311.
The pipe to be bent is taken to pass through the pipe clamp 14, the first quick push type quick clamp 314 is controlled, the compression fixed block 313 is pushed to the follower wheel 312, the second quick push type quick clamp 332 is controlled, the follower fixed block 3312 is pushed to the follower wheel 312, at the moment, the pipe is embedded into the corresponding groove and compressed, the pipe is fixed on the pipe clamp 14, the locking screw 172 is screwed, and the pipe clamp 14 is prevented from driving the pipe to rotate.
According to the required bending angle, the rotating seat 31 is rotated, the rotating angle of the rotating seat 31 is checked in real time by utilizing the second dial 311 and the second pointer 32, and in the rotating process, the follow-up fixing block 3312 moves along with the bending of the pipeline under the action of friction force, so that the integrity of the bending cross section of the pipeline is ensured.
After reaching the designated bending angle, the two quick push type quick clamps are released, at this time, the follow-up fixed block 3312 returns to the initial position under the action of the elastic reset piece 3313, and the distance between the movable seat 13 and the guide rail 12 is quickly adjusted by pulling the elastic pull pin 22 according to the bending position of the next section. If the pipeline is bent in three dimensions, the locking screw 172 is unscrewed, the hand wheel 18 is rotated according to the feedback of the first dial 15 and the first pointer 16, the pipeline clamp 14 is rotated to a required angle, and the locking screw 172 is re-screwed. Then, the rotating seat 31 is adjusted to the zero position, the first quick pushing type quick clamp 314 and the first quick pushing type quick clamp 314 are controlled again, so that the pressing fixed block 313 and the follow-up fixed block 3312 press the pipeline, and the bending action is repeated according to the required bending angle.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover all equivalent structures as modifications within the scope of the invention, either directly or indirectly, as may be contemplated by the present invention.
Claims (10)
1. The manual pipe bending device of the oil supply pipeline of the turbojet engine is characterized by comprising a rotary pushing mechanism, a bending distance adjusting mechanism and a bending mechanism;
the rotary pushing mechanism includes:
a base;
the guide rail is fixed on the base;
the movable seat is slidably arranged on the guide rail;
the pipeline clamp is rotatably arranged on the movable seat, the rotation axis of the pipeline clamp is parallel to the guide rail, and the pipeline clamp is used for allowing a pipeline to pass through and clamping the pipeline to be treated;
the first dial is arranged on the pipeline clamp, and the axis of the first dial is coincident with the rotation axis of the pipeline clamp;
the first pointer is fixed relative to the movable seat, points to the first dial and is used for determining the rotation angle of the pipeline clamp; and
the locking assembly is arranged on the movable seat and used for locking the pipeline clamp after the pipeline clamp rotates in place;
the bending distance adjusting mechanism includes:
the adjusting plate is fixed on the base and positioned at one side of the guide rail, and a strip-shaped hole is formed in the adjusting plate; and
the elastic pull pins are arranged at the strip-shaped holes of the adjusting plate, can move along the length direction of the strip-shaped holes and are fixed on the adjusting plate after moving in place, and are used for being matched with the movable seat to quickly position the movable seat on the guide rail;
the bending mechanism is arranged on the base and is adjacent to one end of the guide rail, and the bending mechanism is used for bending the pipeline.
2. The manual pipe bending device of an oil supply pipeline of a turbojet engine according to claim 1, wherein the bending distance adjusting mechanism further comprises a graduated scale which is relatively fixed with the base, and the graduated scale is parallel to the guide rail.
3. The manual pipe bending device of an oil supply pipeline of a turbojet engine according to claim 1, wherein the pipeline clamp is a three-jaw chuck; the pipeline clamp is rotatably arranged on the movable seat through a rotating shaft;
the locking assembly includes:
the adjusting press block is arranged on the movable seat, and the rotating shaft of the pipeline clamp is positioned between the adjusting press block and the movable seat;
the end part of the locking screw rod passes through the adjusting press block and then is in threaded connection with the movable seat, and the locking screw rod is used for adjusting the clamping force of the adjusting press block and the movable seat on the rotating shaft.
4. A manual pipe bending device for an oil supply pipeline of a turbojet engine according to claim 3, wherein the rotary pushing mechanism further comprises a hand wheel fixed with a rotating shaft of the pipeline clamp.
5. The manual pipe bending device of an oil supply pipeline of a turbojet engine according to claim 1, wherein the elastic pull pin comprises:
the body is provided with external threads and penetrates through the strip-shaped hole of the adjusting plate;
the locking nut is in threaded connection with the external thread of the body and is used for fixing the body on the adjusting plate;
the positioning pin is arranged on the body in a sliding way, a first end of the positioning pin penetrates through the body and extends to one side of the guide rail, the first end of the positioning pin is used for being matched with the moving seat, a second end of the positioning pin penetrates through the body, and the second end of the positioning pin is provided with a force application part for being pulled by a human hand;
and the elastic piece is arranged in the body and matched with the positioning pin, and is used for enabling the first end of the positioning pin to have a movement trend of sliding towards one side of the guide rail.
6. The manual pipe bending device of an oil supply pipeline of a turbojet engine of claim 1, wherein the bending mechanism comprises:
the rotating seat is rotatably arranged on the base;
the second dial is arranged on the rotating seat, and the axis of the second dial is coincident with the rotating axis of the rotating seat;
the second pointer is fixed relative to the base, points to the second dial and is used for determining the rotation angle of the rotating seat;
the follower wheel is fixed on the rotating seat and is provided with a first groove matched with the pipeline, and the rotating axis of the follower wheel is overlapped with the rotating axis of the rotating seat;
the compression fixing block is slidably mounted on the rotating seat and is provided with a second groove matched with the pipeline, the compression fixing block is provided with a first compression working position and a first non-compression working position, and the compression fixing block moves to one side of the follower wheel when in the first compression working position and is used for being matched with the follower wheel to compress the pipeline;
the first quick pushing type quick clamp is arranged on the rotating seat and connected with the compression fixing block and used for enabling the compression fixing block to be switched between a first compression working position and a first non-compression working position;
the fixed seat is fixed on the base;
the follow-up assembly is provided with a sliding frame, a follow-up fixed block and an elastic reset piece, the follow-up fixed block is provided with a third groove matched with the pipeline, the sliding frame is slidably mounted on the fixed seat, the sliding direction of the sliding frame is perpendicular to the length direction of the guide rail, the follow-up fixed block is slidably mounted on the sliding frame, the sliding direction of the follow-up fixed block is parallel to the length direction of the guide rail, one end of the elastic reset piece is abutted against the sliding frame, the other end of the elastic reset piece is abutted against the follow-up fixed block, and the elastic reset piece is used for resetting the follow-up fixed block when the follow-up fixed block is not subjected to external force, the follow-up assembly is provided with a second compression working position and a second non-compression working position, and when the second compression working position is used for compressing the pipeline, the sliding frame moves towards one side of the follow-up wheel and is matched with the follow-up wheel;
the second quick pushing type quick clamp is arranged on the fixing seat and connected with the sliding frame and used for enabling the follow-up assembly to be switched between a second compression working position and a second non-compression working position.
7. The manual pipe bending device for an oil supply pipeline of a turbojet engine according to claim 6, wherein the first groove comprises a circular arc-shaped part and a straight line part tangent to the circular arc-shaped part,
the compression fixed block is positioned on one side of the follow-up fixed block far away from the movable seat, the rotary seat is provided with a zero position, when the rotary seat is at the zero position and the compression fixed block is in a first compression working position, the compression fixed block is matched with the linear part, and the linear part is parallel to the guide rail;
when the rotating seat is at the zero position and the follow-up assembly is at the second compression working position, the follow-up fixed block is in contact fit or clearance fit with the compression fixed block.
8. The manual pipe bending device of an oil supply pipeline of a turbojet engine according to claim 6, wherein the follow-up fixed block is fixedly provided with a mounting rod, the elastic restoring piece is a pressure spring, and the elastic restoring piece is sleeved on the mounting rod.
9. The manual pipe bending device of an oil supply pipeline of a turbojet engine according to claim 6, wherein the follower wheels are detachably arranged on the rotating seat, and the plurality of follower wheels are different in size;
the compression fixing blocks are detachably arranged on the rotating seat, a plurality of compression fixing blocks are arranged, and the sizes of different compression fixing blocks are different;
the follow-up fixed block is detachably arranged on the sliding frame, a plurality of follow-up fixed blocks are arranged, and the sizes of different follow-up fixed blocks are different.
10. The manual pipe bending device of an oil supply pipeline of a turbojet engine according to claim 1, wherein the movable seat comprises:
the first sliding seat is slidably mounted on the guide rail and is provided with a track, and the length direction of the track is perpendicular to the length direction of the guide rail;
the second sliding seat is slidably mounted on the rail;
the fixing structure is used for fixing the second sliding seat and the first sliding seat after the second sliding seat moves in place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311730129.3A CN117399475B (en) | 2023-12-15 | 2023-12-15 | Manual pipe bending device of oil supply pipeline of turbojet engine |
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| CN202311730129.3A CN117399475B (en) | 2023-12-15 | 2023-12-15 | Manual pipe bending device of oil supply pipeline of turbojet engine |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7380430B1 (en) * | 2007-03-16 | 2008-06-03 | Christopher J. Rusch | Rotary draw tube bender |
| CN102304975A (en) * | 2011-06-30 | 2012-01-04 | 河南国基建设集团有限公司 | Beam bottom reinforcing bar-planting hole forming device |
| KR20120046945A (en) * | 2010-11-03 | 2012-05-11 | 주식회사 우진정공 | Fold type band apparatus to set the length of material of horizontal bending device |
| CN203061626U (en) * | 2013-02-04 | 2013-07-17 | 山东高机工业机械有限公司 | Numerically-controlled copper rod bending machine |
| CN105818360A (en) * | 2016-05-17 | 2016-08-03 | 安徽中鼎金亚汽车管件制造有限公司 | Automatic pipe bending equipment for automobile nylon fuel pipe |
| CN207876263U (en) * | 2017-08-25 | 2018-09-18 | 襄阳立金塑业有限公司 | Universal turnover box |
| CN109894539A (en) * | 2019-04-25 | 2019-06-18 | 汤宇 | The traction device of bull multistation for machine-building processing |
| CN111496087A (en) * | 2020-04-29 | 2020-08-07 | 芜湖等莱智能科技有限公司 | Processing grinding apparatus based on U type staple bolt subassembly |
| CN214321398U (en) * | 2020-12-01 | 2021-10-01 | 西峡县内燃机进排气管有限责任公司 | High-precision high-efficiency manual pipe bending device |
| CN115488195A (en) * | 2022-11-02 | 2022-12-20 | 广州华茂机械模具有限公司 | High-precision three-dimensional manual pipe bender |
| CN218397721U (en) * | 2022-07-21 | 2023-01-31 | 沈阳飞机工业（集团）有限公司 | Rotary type composite marking clamp |
| CN115897732A (en) * | 2022-11-22 | 2023-04-04 | 厦门曼科特卫浴有限公司 | Water tap |
| CN115921612A (en) * | 2022-11-10 | 2023-04-07 | 浙江赛豪实业有限公司 | Multi-angle pipeline forming machine of mould |
-
2023
- 2023-12-15 CN CN202311730129.3A patent/CN117399475B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7380430B1 (en) * | 2007-03-16 | 2008-06-03 | Christopher J. Rusch | Rotary draw tube bender |
| KR20120046945A (en) * | 2010-11-03 | 2012-05-11 | 주식회사 우진정공 | Fold type band apparatus to set the length of material of horizontal bending device |
| CN102304975A (en) * | 2011-06-30 | 2012-01-04 | 河南国基建设集团有限公司 | Beam bottom reinforcing bar-planting hole forming device |
| CN203061626U (en) * | 2013-02-04 | 2013-07-17 | 山东高机工业机械有限公司 | Numerically-controlled copper rod bending machine |
| CN105818360A (en) * | 2016-05-17 | 2016-08-03 | 安徽中鼎金亚汽车管件制造有限公司 | Automatic pipe bending equipment for automobile nylon fuel pipe |
| CN207876263U (en) * | 2017-08-25 | 2018-09-18 | 襄阳立金塑业有限公司 | Universal turnover box |
| CN109894539A (en) * | 2019-04-25 | 2019-06-18 | 汤宇 | The traction device of bull multistation for machine-building processing |
| CN111496087A (en) * | 2020-04-29 | 2020-08-07 | 芜湖等莱智能科技有限公司 | Processing grinding apparatus based on U type staple bolt subassembly |
| CN214321398U (en) * | 2020-12-01 | 2021-10-01 | 西峡县内燃机进排气管有限责任公司 | High-precision high-efficiency manual pipe bending device |
| CN218397721U (en) * | 2022-07-21 | 2023-01-31 | 沈阳飞机工业（集团）有限公司 | Rotary type composite marking clamp |
| CN115488195A (en) * | 2022-11-02 | 2022-12-20 | 广州华茂机械模具有限公司 | High-precision three-dimensional manual pipe bender |
| CN115921612A (en) * | 2022-11-10 | 2023-04-07 | 浙江赛豪实业有限公司 | Multi-angle pipeline forming machine of mould |
| CN115897732A (en) * | 2022-11-22 | 2023-04-04 | 厦门曼科特卫浴有限公司 | Water tap |
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