CN112276857A - Device and method for disassembling pin in narrow space of part - Google Patents
Device and method for disassembling pin in narrow space of part Download PDFInfo
- Publication number
- CN112276857A CN112276857A CN202011180685.4A CN202011180685A CN112276857A CN 112276857 A CN112276857 A CN 112276857A CN 202011180685 A CN202011180685 A CN 202011180685A CN 112276857 A CN112276857 A CN 112276857A
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- transmission screw
- pin
- support
- screwed
- top block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a device and a method for disassembling a pin in a narrow space of a part, wherein the device comprises the following components: the top block and a force transmission screw screwed with the horizontal end of the top block through threads; the two guide plates are fixedly distributed on the support at intervals, grooves are formed in the guide plates, the grooves and the intervals on the two guide plates form a slide way which can be in sliding fit with the vertical end on the top block, and the vertical end of the top block is vertical to the horizontal end of the top block; the transmission screw is screwed in the threaded through hole in the upper part of the support in a threaded manner and can push the jacking block to slide on the slideway; the two limiting blocks are fixed at the lower part of the support at intervals, and the outer parts of the limiting blocks are arc surfaces consistent with the radian of the through holes in the middle of the disc piece; the power transmission screw is screwed into the threaded hole in the pin in a rotating mode, the transmission screw located outside the disc piece is rotated rapidly, and the problems that the operation speed is low in the narrow space below the disc piece and the sharp portion below the disc piece cuts an operator are solved.
Description
Technical Field
The invention relates to a device and a method for disassembling a pin in a narrow space of a part, and belongs to the technical field of auxiliary disassembling and assembling equipment.
Background
The disc part and the rotor blade of the aircraft engine need to be fixedly connected by pins, sometimes the disc part and the rotor blade need to be disassembled and decomposed, and the adhesion among the pins, the disc part and the rotor blade is increased due to the reasons of material diffusion or dirt and the like of the pins with matched tightness, and the traditional method is to disassemble and decompose the pins by using an impact pin puller, so that the pins can be shattered by instant impulse released when the pin puller decomposes the pins, and splashed to hurt workers, the rotor blade and the disc part;
chinese patent No. 2013205070092 discloses an aeroengine compressor blade positioning pin puller, wherein a threaded pull rod is fixed with a pin, and then the pin is screwed out by a threaded sleeve, so that the problem of shattering and splashing of the pin ejected by the pin puller is solved, but the operation speed of the pin in a narrow space below a disc is low, and a sharp part is arranged below the disc and is easy to cut operators; the supporting part is arranged on the inner wall of one side of the disc part when the threaded sleeve is rotated, and the thin rotor blade can be deformed and damaged.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device for disassembling a pin in a narrow space of a part.
The invention also provides a method for disassembling the pin in the narrow space of the part
The invention is realized by the following technical scheme.
The invention provides a device for disassembling a pin in a narrow space of a part, which comprises: the top block and a force transmission screw screwed with the horizontal end of the top block through threads;
the two guide plates are fixedly distributed on the support at intervals, grooves are formed in the guide plates, the grooves and the intervals on the two guide plates form a slide way which can be in sliding fit with the vertical end on the top block, and the vertical end of the top block is vertical to the horizontal end of the top block;
the transmission screw is screwed in the threaded through hole in the upper part of the support in a threaded manner and can push the jacking block to slide on the slideway;
the limiting blocks are fixed on the lower portion of the support at intervals, and arc surfaces consistent with the radian of the through holes in the middle of the disc piece are arranged outside the limiting blocks.
Be fixed with the extensible member between two stoppers for adjust the interval distance between two stoppers, when the extensible member extends, make behind two stoppers increases inseparabler with dish spare middle part through-hole cambered surface contact, improve adaptability.
A method for disassembling a pin in a narrow space of a part uses the device for disassembling the pin in the narrow space of the part, and comprises the following steps:
step one, a limiting block is matched with a through hole cambered surface in the middle of a disc piece to obtain a supporting point, a force transmission screw is screwed into a threaded hole in a pin in a rotating mode, the end face of the force transmission screw is not in contact with the pin, and a gap is reserved between the force transmission screw and the pin;
step two, the transmission screw is screwed on a support positioned outside the disc piece to rotate rapidly; the transmission screw rod stably pushes the ejector block to slide downwards on the slideway formed by the grooves and the intervals on the two guide plates, and the ejector block drives the force transmission screw to enable the pin to be stably and quickly detached, decomposed and separated from the disc piece and the rotor blade.
The invention has the beneficial effects that: the power transmission screw is rotated and screwed into the threaded hole in the pin, the transmission screw rod located outside the disc piece is rotated rapidly, the problems that the operation speed is slow in the narrow space below the disc piece and the sharp part below the disc piece cuts an operator are solved, the limiting block is matched with the arc surface of the through hole in the middle of the disc piece to obtain a supporting point, and the problem that the inner wall of the single side of the disc piece in the prior art can be deformed and damaged as a rotor blade of a supporting part is solved.
Drawings
FIG. 1 is a schematic sectional view of the present invention in a front view;
FIG. 2 is a schematic diagram of the right-side view of the present invention based on FIG. 1;
in the figure: 1-a support; 2-a top block; 3-a pin; 4-a guide plate; 5-force-transmitting screws; 7-a screw; 8-a drive screw; 9-a limiting block; 11-a telescopic member; 41-groove; 42-limiting plate.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-2.
The invention discloses a device for disassembling a pin in a narrow space of a part, which comprises: the device comprises a top block 2 and a force transmission screw 5 screwed with the horizontal end of the top block 2 through threads;
the device comprises a support 1 and guide plates 4, wherein the two guide plates 4 are fixedly distributed on the support 1 at intervals, grooves 41 are formed in the guide plates 4, the grooves 41 in the two guide plates 4 and the vertical ends on the jacking blocks 2 form slide ways at intervals to be in slidable fit, and the vertical ends of the jacking blocks 2 are vertical to the horizontal ends of the jacking blocks 2;
the transmission screw 8 is screwed in the threaded through hole at the upper part of the support 1 through threads of the transmission screw 8 and can push the jacking block 2 to slide on the slideway;
the limiting blocks 9 are fixed on the lower portion of the support 1 at intervals, and the limiting blocks 9 are arc surfaces which are consistent with the radian of the through holes in the middle of the disc piece 10.
The working principle is as follows: the power transmission screw 5 is screwed into a threaded hole in the pin 3 in a rotating mode, the transmission screw 8 located outside the disc part 10 rotates rapidly, the problems that the operation speed is low in the narrow space below the disc part and the sharp part below the disc part cuts an operator are solved, the limiting block 9 is matched with the arc surface of the through hole in the middle of the disc part 10 to obtain a supporting point, the problem that the inner wall of one side of the disc part 10 in the prior art can be deformed and damaged as the rotor blade 13 of the supporting part is solved, the transmission screw 8 stably pushes the ejector block 2 to slide downwards on the slide way formed by the grooves and the intervals on the two guide plates 4, and the ejector block 2 drives the power transmission screw 5 to enable the pin 3 to be stably and rapidly detached, decomposed and separated from the disc part.
The transmission screw 8 is screwed in the threaded through hole on the support 1 and then contacts with the ejector block 2, and the transmission screw 8 rotates to lift and push the ejector block 2 to slide on the slideway.
The transmission screw 8 is screwed in the threaded through hole on the support 1 and then fixedly connected with the ejector block 2, and the transmission screw 8 rotates to lift and push the ejector block 2 to slide on the slideway.
And the transmission screw 8 is screwed in the threaded through hole on the support 1 and then is fixed with the top block 2 in a threaded or welded or interference riveting manner.
The transmission screw 8 is screwed in the threaded through hole on the support 1, and then the top block 2 is pushed to slide on the slideway from the joint of the vertical end and the horizontal end of the top block 2, so that the uniformity of the force application of the transmission screw 8 to the top block 2 is improved.
The bottom of the groove 41 at the bottom of the guide plate 4 is provided with a limiting plate 42 which limits the vertical end of the top block 2 from sliding downwards excessively, so that the damage caused by collision of the horizontal end of the top block 2 with some parts on the disc piece under the carelessness condition is avoided.
The guide plate 4 is fixed on the support 1 through a plurality of screws 7, so that the guide plate is convenient to detach and replace.
Be fixed with extensible member 11 between two stopper 9 for adjust the interval distance between two stopper 9, when extensible member 11 extends, make behind two stopper 9 increases more inseparabler with dish 10 middle part through-hole cambered surface contact, improve the adaptability.
The telescopic member 11 is a block or a telescopic rod made of an elastic material.
A method for disassembling a pin in a narrow space of a part uses the device for disassembling the pin in the narrow space of the part, and comprises the following steps:
firstly, a limiting block 9 is matched with a through hole cambered surface in the middle of a disc piece 10 to obtain a supporting point, a force transmission screw 5 is screwed into a threaded hole in a pin 3 in a rotating mode, the end face of the force transmission screw 5 is not in contact with the pin 3, and a gap is reserved between the force transmission screw 5 and the pin 3;
step two, the transmission screw 8 is screwed on the support 1 positioned outside the disc 10 to rotate rapidly; the transmission screw rod 8 stably pushes the jacking block 2 to slide downwards on the slideway formed by the grooves and the intervals on the two guide plates 4, and the jacking block 2 drives the force transmission screw 5 to enable the pin 3 to be stably and quickly detached, decomposed and separated from the disc part 10 and the rotor blade 13.
Claims (10)
1. The utility model provides a device that narrow and small space pin of part was dismantled which characterized in that includes: the jacking block (2) and a force transmission screw (5) screwed with the horizontal end of the jacking block (2) through threads;
the device comprises a support (1) and guide plates (4), wherein the two guide plates (4) are fixedly distributed on the support (1) at intervals, grooves (41) are formed in the guide plates (4), the grooves (41) in the two guide plates (4) and the intervals form a slide way which can be in sliding fit with the vertical end of a top block (2), and the vertical end of the top block (2) is vertical to the horizontal end of the top block (2);
the transmission screw (8) is screwed in the threaded through hole at the upper part of the support (1) in a threaded manner, and then the ejector block (2) can be pushed to slide on the slideway;
the limiting blocks (9), the two limiting blocks (9) are fixed at the lower part of the support (1) at intervals, and the outer parts of the limiting blocks (9) are arc surfaces consistent with the radian of the middle through hole of the disc piece (10).
2. The apparatus for disassembling pins in small spaces of parts according to claim 1, wherein: the transmission screw (8) is screwed in the threaded through hole on the support (1) and then is contacted with the top block (2).
3. The apparatus for disassembling pins in small spaces of parts according to claim 1, wherein: the transmission screw rod (8) is screwed in the threaded through hole on the support (1) in a threaded manner and then is fixedly connected with the top block (2).
4. The device for disassembling the pin in the narrow space of the part according to claim 3, wherein: the transmission screw (8) is screwed in the thread through hole on the support (1) and then fixed with the top block (2) through threads or welded or riveted in an interference manner.
5. The apparatus for disassembling pins in small spaces of parts according to claim 1, wherein: the transmission screw (8) is screwed in the threaded through hole on the support (1) in a threaded manner and then pushes the top block (2) to slide on the slideway from the joint of the vertical end and the horizontal end of the top block (2).
6. The apparatus for disassembling pins in small spaces of parts according to claim 1, wherein: and a limiting plate (42) is arranged at the bottom of the groove (41) at the bottom of the guide plate (4) and used for limiting the vertical end of the top block (2) from sliding downwards excessively.
7. The apparatus for disassembling pins in small spaces of parts according to claim 1, wherein: the guide plate (4) is fixed on the support (1) through a plurality of screws (7).
8. The apparatus for disassembling pins in small spaces of parts according to claim 1, wherein: and a telescopic piece (11) is fixed between the two limit blocks (9).
9. The apparatus for the narrow space pin removal of parts according to claim 8, wherein: the telescopic piece (11) is a block body or a telescopic rod made of elastic materials.
10. A method for disassembling a pin in a narrow space of a part by using the device for disassembling a pin in a narrow space of a part according to any one of claims 1 to 9, comprising the steps of:
firstly, a limiting block (9) is matched with a through hole cambered surface in the middle of a disc piece (10) to obtain a supporting point, a force transmission screw (5) is screwed into a threaded hole in a pin (3) in a rotating mode, the end face of the force transmission screw (5) is not in contact with the pin (3), and a gap is reserved between the force transmission screw and the pin (3);
step two, the transmission screw (8) is screwed on the support (1) positioned outside the disc (10) to rotate rapidly; the transmission screw (8) stably pushes the ejector block (2) to slide downwards on the slideway formed by the grooves and the intervals on the two guide plates (4), and the ejector block (2) drives the force transmission screw (5) to enable the pin (3) to be stably and rapidly detached, decomposed and separated from the disc piece (10) and the rotor blade (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180685.4A CN112276857B (en) | 2020-10-29 | 2020-10-29 | Device and method for disassembling pin in narrow space of part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180685.4A CN112276857B (en) | 2020-10-29 | 2020-10-29 | Device and method for disassembling pin in narrow space of part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112276857A true CN112276857A (en) | 2021-01-29 |
| CN112276857B CN112276857B (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011180685.4A Active CN112276857B (en) | 2020-10-29 | 2020-10-29 | Device and method for disassembling pin in narrow space of part |
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| Country | Link |
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| CN (1) | CN112276857B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952709A (en) * | 2022-06-29 | 2022-08-30 | 中国航发动力股份有限公司 | Positioning pin replacing device and method |
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|---|---|---|---|---|
| CN102717366A (en) * | 2012-06-15 | 2012-10-10 | 平高集团有限公司 | Auxiliary tool for assembling bolts |
| CN203956849U (en) * | 2014-07-15 | 2014-11-26 | 安徽江淮汽车股份有限公司 | For dismantling the specific purpose tool of fork alignment pin |
| CN204094495U (en) * | 2014-09-05 | 2015-01-14 | 天津赛瑞机器设备有限公司 | A kind of sleeping carriage cylinder class work pieces process supplemental support frock |
| CN205021469U (en) * | 2015-09-30 | 2016-02-10 | 北汽福田汽车股份有限公司 | Spring sectional fixture |
| KR101874924B1 (en) * | 2017-11-21 | 2018-07-11 | 이종균 | Portable Pin Removing Device of Molding Frame |
| CN208117690U (en) * | 2018-04-11 | 2018-11-20 | 广州市优泰安防技术有限公司 | A kind of adjustable nut spanner suitable for elongate slot |
| CN110856916A (en) * | 2018-08-22 | 2020-03-03 | 中核核电运行管理有限公司 | Oval self sealss manhole cover plate dismouting device |
-
2020
- 2020-10-29 CN CN202011180685.4A patent/CN112276857B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717366A (en) * | 2012-06-15 | 2012-10-10 | 平高集团有限公司 | Auxiliary tool for assembling bolts |
| CN203956849U (en) * | 2014-07-15 | 2014-11-26 | 安徽江淮汽车股份有限公司 | For dismantling the specific purpose tool of fork alignment pin |
| CN204094495U (en) * | 2014-09-05 | 2015-01-14 | 天津赛瑞机器设备有限公司 | A kind of sleeping carriage cylinder class work pieces process supplemental support frock |
| CN205021469U (en) * | 2015-09-30 | 2016-02-10 | 北汽福田汽车股份有限公司 | Spring sectional fixture |
| KR101874924B1 (en) * | 2017-11-21 | 2018-07-11 | 이종균 | Portable Pin Removing Device of Molding Frame |
| CN208117690U (en) * | 2018-04-11 | 2018-11-20 | 广州市优泰安防技术有限公司 | A kind of adjustable nut spanner suitable for elongate slot |
| CN110856916A (en) * | 2018-08-22 | 2020-03-03 | 中核核电运行管理有限公司 | Oval self sealss manhole cover plate dismouting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952709A (en) * | 2022-06-29 | 2022-08-30 | 中国航发动力股份有限公司 | Positioning pin replacing device and method |
| CN114952709B (en) * | 2022-06-29 | 2023-09-26 | 中国航发动力股份有限公司 | Positioning pin replacement device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112276857B (en) | 2022-06-17 |
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