CN216707365U - Fastener puller for aircraft - Google Patents
Fastener puller for aircraft Download PDFInfo
- Publication number
- CN216707365U CN216707365U CN202220027071.0U CN202220027071U CN216707365U CN 216707365 U CN216707365 U CN 216707365U CN 202220027071 U CN202220027071 U CN 202220027071U CN 216707365 U CN216707365 U CN 216707365U
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- China
- Prior art keywords
- connecting rod
- chuck
- gravity hammer
- locking bolt
- puller
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- Expired - Fee Related
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- 230000005484 gravity Effects 0.000 claims abstract description 30
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000005485 electric heating Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a fastener puller for an airplane, which comprises a high-locking bolt, wherein the puller comprises a clamping head, a connecting rod, a gravity hammer and an impact part; the clamping head is a cylinder body provided with a groove, and a clamping groove for hooking the head of the high-locking bolt is formed in the end part of one end of the clamping head along the horizontal direction; the other end of the chuck is fixedly connected with the connecting rod and coaxially arranged with the chuck; a gravity hammer for impact is sleeved on the connecting rod, and an impact part matched with the gravity hammer is arranged at one end of the connecting rod, which is far away from the chuck; the gravity hammer is movable between the chuck and the striking member. The utility model adopts the puller to disassemble the fastener, so that the disassembly is completed under the condition of not influencing the surrounding structure of the fastener. The novel multifunctional electric heating cooker has the advantages of simple structure, convenience in use, low cost, wide application range and high use efficiency.
Description
Technical Field
The utility model relates to the field of aircraft assembly and manufacturing, in particular to a fastener puller for an aircraft.
Background
The high-locking bolt (HI-LOK) is a fastener made of steel or titanium alloy, and is a bolt for improving the fatigue strength of a joint by utilizing the combined action of interference fit and higher pretightening force caused by the interference of the bolt and a nut. High lock bolts play an extremely important role in aircraft construction. The method is used for assembling important structural components such as aircraft skins, engine hangers, keel beams, large wings and the like.
In routine structural repair work, it is often necessary to remove a large number of high lock bolts (HI-LOK). For the disassembly of longer high-locking bolts, according to different positions of the high-locking bolts on site, the following disassembly modes are commonly used, and for the position with good position openness, a longer punch can be selected to punch out the high-locking bolt; because the high-locking bolt (HI-LOK) is extremely high in hardness, unexpected conditions such as slippage and shaking of the drill bit can be easily caused under the action of stress in the drilling process, the drill bit cannot be guaranteed to be always stabilized on the central point of the high-locking bolt (HI-LOK), maintenance deviation is caused, and the damage to structures around the fastener can be caused by slight carelessness. For the position with poor position openness, firstly, knocking out a part of the high-locking bolt to enable the head of the high-locking bolt to be higher than the outer surface of the skin, and then pulling out the high-locking bolt by using tools such as locking pliers and the like. The method of pulling out the high-locking bolt by adopting the locking pliers wastes time and labor, is inconvenient to use and causes low efficiency.
Disclosure of Invention
Aiming at the problems, the utility model provides the aircraft fastener puller which is simple in structure, convenient to use, wide in application range, high in use efficiency and low in cost.
The technical scheme of the utility model is as follows:
a fastener puller for an aircraft is provided, wherein the fastener comprises a high-locking bolt, and the puller comprises a clamping head, a connecting rod, a gravity hammer and an impact part;
the clamping head is a cylinder body provided with a groove, and a clamping groove for hooking the head of the high-locking bolt is formed in the end part of one end of the clamping head along the horizontal direction; the other end of the chuck is fixedly connected with the connecting rod, and the connecting rod and the chuck are coaxially arranged; a gravity hammer for impact is slidably sleeved on the connecting rod, and an impact part matched with the gravity hammer is arranged at one end of the connecting rod, which is far away from the chuck; the gravity hammer is movable between the chuck and the striking member.
The groove is a through groove, the clamping groove is a U-shaped clamping groove, and the width of an opening of the U-shaped clamping groove is larger than the outer diameter of a screw rod of the high-locking bolt and smaller than the outer diameter of the head of the high-locking bolt.
The connecting rod with the dop is connected with detachable helicitic texture.
The connecting rod is a round rod with the outer diameter smaller than that of the chuck, and the gravity hammer is columnar and is provided with a through hole in clearance fit with the connecting rod.
The impact part is a clamping head arranged at the other end of the connecting rod.
The clamping head and the impact part are arranged in parallel between the surface facing the gravity hammer and the upper end surface and the lower end surface of the gravity hammer.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model discloses a fastener puller for an airplane, which comprises a clamping head, a connecting rod and a gravity hammer. The clamping head is a cylinder body provided with a groove, and one end of the clamping head is provided with a clamping groove used for hooking the head of the high-locking bolt along the horizontal direction; the clamping groove of the puller is matched with the head of the high-locking bolt, and finally the high-locking bolt is directly pulled out by operating the gravity hammer to perform reverse impact. The problem that unexpected conditions such as slippage and shaking of a drill bit easily occur under the action of stress in the drilling process is solved, and therefore damage to structures around the fastener is reduced/prevented. Meanwhile, a method of pulling out the high-locking bolt by using time-consuming and labor-consuming locking pliers is adopted; by adopting the technical measure, the technical effect of quick disassembly can be achieved, and the quick disassembly device has the advantages of simple structure, convenience in use, low cost and high use efficiency.
2. The groove of the chuck is a through groove, and the head of high-lock bolts with different sizes can be accommodated by adopting a through groove structure, so that the application range is wide, meanwhile, the technical measure can reduce the weight of the whole puller, and meanwhile, the puller is convenient to process and has the technical advantages of simple structure and convenience in use; the draw-in groove is for adopting U type draw-in groove structure, can clamp the head of high locking bolt in the draw-in groove fast, has simple structure, advantage that the availability factor is high.
3. The connecting rod is connected with the chuck through a detachable thread structure. By adopting the technical measure, the installation and the replacement are convenient, and different chucks can be replaced aiming at high locking bolts with different diameters. It has simple structure and convenient use.
4. The impact part is a clamping head arranged at the other end of the connecting rod, the clamping heads on the two sides can be different U-shaped clamping grooves, and the high-lock bolt fastening device can be suitable for different high-lock bolts without frequently replacing the clamping heads or replacing different pulling tools. Therefore, by adopting the technical measure, the application range and the use efficiency can be effectively improved.
5. The chuck and the impact member of the present invention are disposed in parallel between the surface facing the gravity weight and the upper and lower end surfaces of the gravity weight. By adopting the technical measure, the impact force generated by the gravity hammer can not deviate, so that the high-locking bolt can be ensured to be pulled out quickly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
reference numerals: 1-clamping head; 11-a card slot; 12-a groove; 2-a connecting rod; 3-gravity hammer; 4-impact part.
Detailed Description
Specific embodiments of the present invention are described below with reference to the accompanying drawings:
as shown in figure 1, the utility model discloses a fastener puller for an airplane, wherein the fastener comprises a high-locking bolt and a high-locking nut matched with the high-locking bolt, and the puller comprises a clamping head 1, a connecting rod 2, a gravity hammer 3 and an impact part 4.
Specifically, the chuck 1 is a cylinder provided with a groove 12, the groove 12 is used for accommodating the head of the high-locking bolt to be pulled out, a clamping groove 11 used for hooking the head of the high-locking bolt is formed in the end part of one end of the chuck 1 along the horizontal direction, one end of the connecting rod 2 is fixedly connected with the chuck 1, and the connecting rod 2 and the chuck 1 are coaxially arranged; a gravity hammer 3 for impact is slidably sleeved on the connecting rod 2, the connecting rod 2 is a round rod with the outer diameter smaller than that of the chuck 1, and the gravity hammer 3 is columnar and is provided with a through hole in clearance fit with the connecting rod 2; the end of the connecting rod 2 remote from the chuck 1 is provided with an impact member 4 for cooperating with a gravity hammer 3. The weight 3 has a vertical length smaller than that of the connecting rod 2, and the weight 3 can move between the chuck 1 and the striking member 4.
In actual use, the striking member 4 is a cylinder or a disk, and the surfaces of the chuck 1 and the striking member 4 facing the weight 3 are parallel to the upper and lower end surfaces of the weight 3. By adopting the technical measure, the high-locking bolt, the clamping head 1, the connecting rod 2, the gravity hammer 3 and the impact part 4 can be conveniently axially centered, so that the impact force generated by the gravity hammer 3 can not deviate, and the high-locking bolt can be rapidly pulled out.
When the high-locking bolt pulling tool is used in practice, a special tool is used for detaching the high-locking nut (the back locking is removed, the special tool is the prior art), then a punch is used for punching the high-locking bolt, so that a pulling space is reserved at one end of the head of the high-locking bolt, then a clamping groove 11 of the pulling tool is matched with the head of the high-locking bolt, and finally the high-locking bolt is directly pulled out by operating a gravity hammer 3 to impact an impact part 4 on one side, away from a chuck 1. The problem that unexpected conditions such as slippage and shaking of a drill bit can easily occur under the action of stress in the drilling process is solved, and therefore damage to structures around the fastening piece is reduced/prevented. Meanwhile, a method of pulling out the high-locking bolt by using time-consuming and labor-consuming locking pliers is adopted; by adopting the technical measure, the technical effect of quick disassembly can be achieved, and the quick disassembly device has the advantages of simple structure, convenience in use, low cost and high use efficiency.
As shown in fig. 1, the groove 12 of the chuck 1 is a through groove, and the through groove structure can accommodate heads of high-lock bolts of different sizes, so that the application range is wide, and meanwhile, the technical measure can reduce the weight of the whole puller, and is convenient to process, and has the technical advantages of simple structure and convenient use.
The clamping groove 11 is a U-shaped clamping groove, and the width of the opening of the U-shaped clamping groove is larger than the outer diameter of the screw rod of the high-locking bolt and smaller than the outer diameter of the head of the high-locking bolt. When in actual use, the U-shaped clamping groove structure is adopted, the head of the high-locking bolt can be clamped in the clamping groove quickly, and the high-locking bolt clamping device has the advantages of being simple in structure and high in use efficiency.
In practical use, the connecting rod 2 is connected with the chuck 1 in a detachable threaded structure. By adopting the technical measure, the installation and the replacement are convenient, and different clamping heads 1 can be replaced aiming at high locking bolts with different diameters. It has simple structure and convenient use.
As shown in fig. 1, the striking member 4 is a chuck 1 disposed at the other end of the connecting rod, and the chucks 1 at both sides thereof may be disposed as different U-shaped slots, so that the puller may be adapted to different high-lock bolts without frequent replacement of the chuck 1 or replacement of different pullers. Therefore, by adopting the technical measure, the application range and the use efficiency can be effectively improved.
The technical solutions of the above embodiments are only used for illustrating the present invention, and not for limiting the same. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical scheme can be modified, or part of technical characteristics can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (6)
1. The utility model provides a fastener puller for aircraft, the fastener includes high-locking bolt, its characterized in that: the puller comprises a clamping head (1), a connecting rod (2), a gravity hammer (3) and an impact part (4);
the clamping head (1) is a cylinder provided with a groove (12), and a clamping groove (11) used for hooking the head of the high-locking bolt is formed in the end part of one end of the clamping head (1) along the horizontal direction; the other end of the clamping head (1) is fixedly connected with the connecting rod (2), and the connecting rod (2) and the clamping head (1) are coaxially arranged; a gravity hammer (3) for impact is slidably sleeved on the connecting rod (2), and an impact part (4) matched with the gravity hammer (3) is arranged at one end, far away from the chuck (1), of the connecting rod (2); the gravity hammer (3) can move between the chuck (1) and the impact part (4).
2. The aircraft fastener puller of claim 1, wherein: the groove (12) is a through groove, the clamping groove (11) is a U-shaped clamping groove, and the width of an opening of the U-shaped clamping groove is larger than the outer diameter of a screw rod of the high-locking bolt and smaller than the outer diameter of the head of the high-locking bolt.
3. The aircraft fastener puller of claim 1, wherein: the connecting rod (2) is connected with the chuck (1) through a detachable threaded structure.
4. The aircraft fastener puller of claim 1, wherein: the connecting rod (2) is a round rod with the outer diameter smaller than that of the clamping head (1), and the gravity hammer (3) is columnar and is provided with a through hole in clearance fit with the connecting rod (2).
5. The aircraft fastener puller of claim 1, wherein: the impact part (4) is a clamping head (1) arranged at the other end of the connecting rod.
6. The aircraft fastener puller of claim 1 or 5, wherein: the clamping head (1) and the impact part (4) are arranged in parallel between the surface facing the gravity hammer (3) and the upper end surface and the lower end surface of the gravity hammer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220027071.0U CN216707365U (en) | 2022-01-06 | 2022-01-06 | Fastener puller for aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220027071.0U CN216707365U (en) | 2022-01-06 | 2022-01-06 | Fastener puller for aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216707365U true CN216707365U (en) | 2022-06-10 |
Family
ID=81888914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220027071.0U Expired - Fee Related CN216707365U (en) | 2022-01-06 | 2022-01-06 | Fastener puller for aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216707365U (en) |
-
2022
- 2022-01-06 CN CN202220027071.0U patent/CN216707365U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |