CN113483001A - Quick positioning bolt locking device - Google Patents
Quick positioning bolt locking device Download PDFInfo
- Publication number
- CN113483001A CN113483001A CN202110715766.8A CN202110715766A CN113483001A CN 113483001 A CN113483001 A CN 113483001A CN 202110715766 A CN202110715766 A CN 202110715766A CN 113483001 A CN113483001 A CN 113483001A
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- CN
- China
- Prior art keywords
- seat
- pressing nut
- pin
- positioning pin
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/041—Releasable devices
Abstract
The invention discloses a quick positioning bolt locking device which comprises a flange seat, a lower pressing nut, a positioning pin and a fixing pin seat, wherein the flange seat is internally provided with internal threads, the lower pressing nut is externally provided with external threads, the positioning pin is embedded in the lower pressing nut, the fixing pin seat is used for fixing the positioning pin, a fixing hole is formed in the middle of the fixing pin seat, and a flange plate is arranged at the end part of the fixing pin seat; the lower pressing nut is in threaded connection with the inside of the flange seat, a flange plate is arranged at one end, extending out of the flange seat, of the lower pressing nut, the flange plate of the lower pressing nut is matched with the flange plate at the end part of the fixed pin seat, and a tooth cover is arranged at the other end, arranged in the flange seat, of the lower pressing nut; the middle part of the positioning pin is provided with a chain wheel matched with the tooth cover. The invention compensates the clearance between the tooling equipment and the fixed guide rail platform through the staged engagement and separation of the tooth cover and the tooth disc, generates great locking force, can effectively solve the defects of the traditional positioning mode, and can quickly and conveniently complete the locking and positioning actions; avoid the bolt to cause crooked damage, lead to the location inefficacy, suitable extensive popularization and application.
Description
Technical Field
The invention relates to the technical field of airplane component assembling, positioning and locking equipment, in particular to a quick positioning bolt locking device.
Background
Because the overall dimension of aircraft fuselage section part is big, the structure is complicated, in order to adapt to aircraft structure and guarantee the spaciousness of aircraft assembly processing, consequently aircraft assembly tooling equipment's volume, weight also grow thereupon. And along with the popularization of digital manufacturing, large-scale assembly tool equipment needs to possess the production line characteristic, can carry out the station along fixed guide and transport, and after the transportation process, tool equipment need rely on reliable and stable location locking device to realize self location. Because the close range laminating of tool equipment and fixed guide platform can't be accomplished, produce certain clearance, it is big, inertia big to equip the quality at large-scale, if only rely on the bolt spacing, have higher requirement to the size specification of bolt, consequently traditional location bolt will receive the shearing force that external force brought and because of the too big moment of bending that produces in clearance, final bolt is buckled and is leaded to the location inefficacy.
Disclosure of Invention
The invention aims to provide a quick positioning bolt locking device which can make up the clearance between tooling equipment and a fixed guide rail platform and realize quick positioning and locking.
The invention is realized by the following technical scheme: a quick positioning bolt locking device comprises a flange seat with internal threads, a lower pressing nut with external threads, a positioning pin embedded in the lower pressing nut and a fixing pin seat for fixing the positioning pin, wherein the inner part of the flange seat is provided with the internal threads; the lower pressing nut is in threaded connection with the inside of the flange seat, a flange plate is arranged at one end, extending out of the flange seat, of the lower pressing nut, the flange plate of the lower pressing nut is matched with the flange plate at the end part of the fixed pin seat, and a tooth cover is arranged at the other end, arranged in the flange seat, of the lower pressing nut; and a chain wheel matched with the tooth cover is arranged in the middle of the positioning pin.
The operating principle of the technical scheme is that after the tooling equipment is transported in place, the hand wheel is manually rotated and connected with the positioning pin, at the moment, under the action of the spring, the clamping teeth of the positioning pin are meshed with the tooth cover, the tooth cover is fixedly connected with the pressing nut, the pressing nut is driven by the hand wheel to rotate finally, the pressing nut is matched with the trapezoidal thread of the flange seat by virtue of the pressing action of the pressing nut, the contact with the fixed pin seat is completed, so that the gap between the tooling equipment and the fixed guide rail platform is compensated, and the effect of supporting the tooling equipment is achieved. The friction force of the end face contact can play a part of fixing and positioning role for the tooling equipment. After the pressing nut is contacted with the fixed pin base, the hand wheel is pressed down, the elastic force of the spring is overcome, the clamping teeth of the positioning pin are disengaged from the tooth cover, meanwhile, the hand wheel is rotated, the threaded part of the positioning pin is screwed into the fixed pin base, and final positioning is completed after screwing.
In order to better realize the invention, the positioning pin comprises an insertion part inserted into the fixing hole in the middle of the fixing pin seat, a smooth shaft part arranged in the lower pressing nut and matched with the hole shaft, a toothed disc matched with the toothed cover and a driving end for driving the positioning pin to move from left to right.
In order to better realize the invention, further, the insertion part of the positioning pin is provided with an external thread, the fixing hole in the middle of the fixing pin seat is provided with an internal thread, and the insertion part of the positioning pin is connected with the fixing hole in the middle of the fixing pin seat through a thread.
In order to better realize the invention, the tooth cover is fixed with the end part of the lower pressing nut, at least two convex teeth extending towards the direction of the fixed pin base are arranged on the tooth cover, and the tooth disc in the middle of the positioning pin is provided with clamping grooves matched with the number and the positions of the convex teeth on the tooth cover.
In order to better realize the invention, a spring is further nested on the optical axis part of the positioning pin, one end of the spring abuts against the chain wheel, the other end of the spring abuts against a boss of the inner hole of the lower pressing nut, and the chain wheel is pushed to the tooth cover by using elasticity.
In order to better realize the invention, further, the driving end of the positioning pin is also provided with an adapter, and a hand wheel is installed on the adapter.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention designs a locking device with linkage type two-stage positioning, which can realize the quick positioning and locking of large-scale guide rail moving equipment and realize the positioning and locking of moving tooling equipment after a fixed guide rail platform is transported;
(2) the invention compensates the clearance between the tooling equipment and the fixed guide rail platform through the staged engagement and separation of the tooth cover and the tooth disc, generates great locking force, can effectively solve the defects of the traditional positioning mode, and can quickly and conveniently complete the locking and positioning actions;
(3) the invention has simple structure and perfect functions, can meet the stable positioning requirement and the rapid positioning and locking action of large-scale guide rail moving equipment, avoids the bending damage caused by the bolt to cause positioning failure, and is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic view of the construction of the locating pin of the present invention;
FIG. 3 is a schematic top view of the tooth cover of the present invention;
FIG. 4 is a front view of the tooth cover of the present invention;
FIG. 5 is a schematic top view of the dental plate of the present invention;
FIG. 6 is a flow chart of a process of use of the present invention.
Wherein: the device comprises a fixing pin seat, a pressing nut, a tooth cover, a hand wheel, a flange seat, a spring, a positioning pin, an insertion part, an optical axis part 72, a tooth disk 73, a driving end 74, an adapter part 8, a convex tooth 9 and a clamping groove 10.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1, includes a flange seat 5 having an internal thread inside, a down nut 2 having an external thread outside, a positioning pin 7 inserted into the down nut 2, and a fixing pin seat 1 for fixing the positioning pin 7, wherein a fixing hole is formed in the middle of the fixing pin seat 1, and a flange is formed at the end of the fixing pin seat; the lower pressing nut 2 is in threaded connection with the inside of the flange seat 5, a flange plate is arranged at one end, extending out of the flange seat 5, of the lower pressing nut 2, the flange plate of the lower pressing nut 2 is matched with the flange plate at the end part of the fixed pin seat 1, and a tooth cover 3 is arranged at the other end, arranged in the flange seat 2, of the lower pressing nut 2; the middle part of the positioning pin 7 is provided with a chain wheel 73 matched with the tooth cover 3.
The specific implementation process is, as shown in fig. 6, the locking process:
the method comprises the following steps: the tooling equipment is transported in place.
Step two: at this moment, the positioning pin 7 is manually rotated (action one), the toothed disc 73 of the positioning pin 7 is meshed with the toothed cover 3, the toothed cover 3 is fixedly connected with the pressing nut 2, finally, the positioning pin 7 drives the pressing nut 2 to rotate, the pressing action of the pressing nut 2 is realized by means of the trapezoidal thread fit of the pressing nut 2 and the flange base, and the contact with the fixing pin base 1 is completed.
Step three: and (4) pressing down the positioning pin 7 (action two) to disengage the chain wheel 73 of the positioning pin 7 from the tooth cover 3, rotating the positioning pin 7 (action three) to insert the positioning pin 7 into the fixing pin base 1, and screwing to finish final positioning.
Example 2:
the present embodiment further defines the structure of the positioning pin 7 on the basis of the above embodiment, as shown in fig. 2, the positioning pin 7 comprises, from left to right, an insertion portion 71 inserted into the central fixing hole of the fixing pin base 1, a smooth shaft portion 72 disposed in the push nut 2 and axially engaged with the hole thereof, a toothed disc 73 engaged with the toothed cap 3, and a driving end 74 for driving the positioning pin 7 to move. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
the present embodiment further defines the structure of the positioning pin 7 on the basis of the above embodiments, as shown in fig. 1 and 2, the insertion portion 71 of the positioning pin 7 is provided with an external thread, the fixing hole in the middle of the fixing pin seat 1 is provided with an internal thread, and the insertion portion 71 of the positioning pin 7 is connected with the fixing hole in the middle of the fixing pin seat 1 through a thread. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in this embodiment, the structure of the positioning pin 7 is further limited on the basis of the above embodiments, as shown in fig. 3, 4 and 5, the tooth cover 3 is fixed to the end of the push-down nut 2, at least two convex teeth 9 extending towards the direction of the fixing pin base 1 are arranged on the tooth cover 3, and the tooth disc 73 in the middle of the positioning pin 7 is provided with slots 10 matching the number and positions of the convex teeth 9 on the tooth cover 3. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
in the present embodiment, the structure of the positioning pin 7 is further limited, as shown in fig. 1 and fig. 2, a spring 6 is further nested on the optical axis portion 72 of the positioning pin 7, one end of the spring 6 abuts against the toothed disc 73, and the other end abuts against the boss of the inner hole of the lower pressing nut 2, so that the toothed disc 73 is pushed to the toothed cover 3 by the elastic force. The specification of the spring 6 is determined by the elastic force requirement, the wire diameter, the middle warp and the initial length, the spring 6 should meet the condition that the elastic force under a certain compression amount is slightly larger than the gravity of the positioning pin 7, so that the positioning pin 7 is supported, the chain wheel 73 of the positioning pin 7 is meshed with the tooth cover 3, and the chain wheel 73 can be separated from the tooth cover 3 only by overcoming little force when the positioning pin 7 is pressed downwards. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
In this embodiment, on the basis of the above embodiments, the structure of the positioning pin 7 is further defined, as shown in fig. 1 and fig. 2, the driving end 74 of the positioning pin 7 is further provided with an adaptor 8, and the hand wheel 4 is mounted on the adaptor 8. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It will be appreciated that the principles and operation of the locking device structure, such as the hand wheel 4 and the spring 6, according to one embodiment of the present invention are well known in the art and will not be described in detail herein.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A quick positioning bolt locking device is characterized by comprising a flange seat (5) with an internal thread, a pressing nut (2) with an external thread, a positioning pin (7) embedded in the pressing nut (2) and a fixing pin seat (1) for fixing the positioning pin (7), wherein the inside of the flange seat is provided with the internal thread, the outside of the pressing nut is provided with the external thread, the middle part of the fixing pin seat (1) is provided with a fixing hole, and the end part of the fixing pin seat is provided with a flange plate; the pressing nut (2) is in threaded connection with the inside of the flange seat (5), a flange plate is arranged at one end, extending out of the flange seat (5), of the pressing nut (2), the flange plate of the pressing nut (2) is matched with the flange plate at the end part of the fixed pin seat (1), and a tooth cover (3) is arranged at the other end, arranged in the flange seat (2), of the pressing nut (2); and a chain wheel (73) matched with the tooth cover (3) is arranged in the middle of the positioning pin (7).
2. The quick positioning bolt locking device according to claim 1, characterized in that the positioning pin (7) comprises an insertion part (71) inserted into the middle fixing hole of the fixing pin base (1), a smooth shaft part (72) arranged in the lower pressing nut (2) and axially matched with the hole of the lower pressing nut, a chain wheel (73) matched with the chain cover (3), and a driving end (74) for driving the positioning pin (7) to move from left to right.
3. A quick positioning bolt locking device according to claim 2, characterized in that the insertion part (71) of the positioning pin (7) is provided with an external thread, the fixing hole in the middle of the fixing pin holder (1) is provided with an internal thread, and the insertion part (71) of the positioning pin (7) is in threaded connection with the fixing hole in the middle of the fixing pin holder (1).
4. The quick positioning bolt locking device according to any one of claims 1 to 3, characterized in that the tooth cover (3) is fixed to the end of the push-down nut (2), at least two convex teeth (9) extending towards the direction of the fixed bolt seat (1) are arranged on the tooth cover (3), and a clamping groove (10) matched with the number and position of the convex teeth (9) on the tooth cover (3) is arranged on the tooth disc (73) in the middle of the positioning pin (7).
5. A quick positioning bolt locking device according to claim 4, characterized in that the light shaft part (72) of the positioning pin (7) is further nested with a spring (6), one end of the spring (6) is against the chain wheel (73), the other end is against the boss of the inner hole of the down-pressing nut (2), and the chain wheel (73) is pushed to the tooth cover (3) by the elastic force.
6. A quick positioning bolt locking device according to any one of claims 1 to 3, characterized in that the driving end (74) of the positioning pin (7) is further provided with an adaptor (8), and a hand wheel (4) is mounted on the adaptor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715766.8A CN113483001B (en) | 2021-06-28 | 2021-06-28 | Quick positioning bolt locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715766.8A CN113483001B (en) | 2021-06-28 | 2021-06-28 | Quick positioning bolt locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113483001A true CN113483001A (en) | 2021-10-08 |
| CN113483001B CN113483001B (en) | 2022-05-10 |
Family
ID=77937222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110715766.8A Active CN113483001B (en) | 2021-06-28 | 2021-06-28 | Quick positioning bolt locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113483001B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4339987A1 (en) * | 1992-11-27 | 1994-06-01 | Markus Jehle | Pin extractor tool - consists of striker piece with spring=loaded catchpin that is held in spiral track to rotate shaft as striker piece is pushed downwards to drive adaptor screw into pin |
| CN201696419U (en) * | 2010-02-08 | 2011-01-05 | 哈尔滨飞机工业集团有限责任公司 | Steel-ball one-way nut compressing positioning pin |
| CN105003511A (en) * | 2015-06-29 | 2015-10-28 | 南通蒂龙针织制衣有限公司 | Locating pin |
| CN206588894U (en) * | 2017-03-28 | 2017-10-27 | 北京现代汽车有限公司 | Disassembling positioning pin device |
| CN107414734A (en) * | 2017-04-22 | 2017-12-01 | 广东鸿图南通压铸有限公司 | It is a kind of to switch the method and device for tightening two kinds of bolt collars |
| CN212497523U (en) * | 2020-04-24 | 2021-02-09 | 舟山市定海海利电器有限公司 | Mould and anchor clamps locating pin cover extracting tool |
| CN212601616U (en) * | 2020-07-08 | 2021-02-26 | 国投曹妃甸港口有限公司 | Tool for removing bucket pin of bucket-wheel reclaimer |
-
2021
- 2021-06-28 CN CN202110715766.8A patent/CN113483001B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4339987A1 (en) * | 1992-11-27 | 1994-06-01 | Markus Jehle | Pin extractor tool - consists of striker piece with spring=loaded catchpin that is held in spiral track to rotate shaft as striker piece is pushed downwards to drive adaptor screw into pin |
| CN201696419U (en) * | 2010-02-08 | 2011-01-05 | 哈尔滨飞机工业集团有限责任公司 | Steel-ball one-way nut compressing positioning pin |
| CN105003511A (en) * | 2015-06-29 | 2015-10-28 | 南通蒂龙针织制衣有限公司 | Locating pin |
| CN206588894U (en) * | 2017-03-28 | 2017-10-27 | 北京现代汽车有限公司 | Disassembling positioning pin device |
| CN107414734A (en) * | 2017-04-22 | 2017-12-01 | 广东鸿图南通压铸有限公司 | It is a kind of to switch the method and device for tightening two kinds of bolt collars |
| CN212497523U (en) * | 2020-04-24 | 2021-02-09 | 舟山市定海海利电器有限公司 | Mould and anchor clamps locating pin cover extracting tool |
| CN212601616U (en) * | 2020-07-08 | 2021-02-26 | 国投曹妃甸港口有限公司 | Tool for removing bucket pin of bucket-wheel reclaimer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113483001B (en) | 2022-05-10 |
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