CN209614736U - The angle hole edge R pressurizing unit - Google Patents
The angle hole edge R pressurizing unit Download PDFInfo
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- CN209614736U CN209614736U CN201920244589.8U CN201920244589U CN209614736U CN 209614736 U CN209614736 U CN 209614736U CN 201920244589 U CN201920244589 U CN 201920244589U CN 209614736 U CN209614736 U CN 209614736U
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- piston
- oil cylinder
- bushing
- hole edge
- pull rod
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Abstract
The utility model discloses a kind of angle hole edge R pressurizing units, it includes squeeze cylinder (A) and compression tool (B), the squeeze cylinder includes oil cylinder (7), the inner cavity of oil cylinder is divided into left chamber and right chamber by piston (11), spring (2) are set between the left side of the piston and the end cap (1) of the oil cylinder, the piston right end is fixedly connected with the compression tool；The compression tool includes the pull rod (15) being fixedly connected with piston right end, washer (14) is set gradually on the pull rod from left to right, squeezes bushing (13) and nut (12), the extruding bushing includes the left bushing (131) and right bushing (132) being oppositely arranged, and the opposite end of left and right bushing inside contracts to be formed and the matched extrusion sections mounting portion (133) in the hole of extrusion sections (16)；The right chamber of the oil cylinder is connected to pipe nipple (6), and pipe nipple is connect with the hydraulic oil with pressure.
Description
Technical field
The utility model relates to cold holes expansion tools, the especially a kind of angle hole edge R pressurizing unit.
Background technique
The failure of aviation part is to have very because fatigue failure causes to be broken to the fatigue life of aviation part mostly
High requirement.As design of part becomes increasingly complex, part material intensity increases, and part fatigue fracture mostly occurs concentrates in stress
Region, and the hole on part makes one of the position that structure is discontinuously located and part stress is concentrated, and improves the tired of hole surrounding components
Intensity and the service life in hole can be improved in labor performance, and cold holes expansion can make hole fatigue life improve 5 times or so, and enhancements can also
Improve anticorrosive, stress corrosion and hydrogen embrittlement performance.External existing cold holes expansion equipment is strengthened just for hole wall, and for hole edge
But without relevant device, therefore hole edge coldworking strengthened to part failure probability is reduced, there is critically important intensity at raising part aperture
Meaning.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortage of prior art, and provides one kind and is able to achieve to extruding
The angle the hole edge R pressurizing unit of the angle the hole edge R coldworking strengthened of part.
In order to solve the above technical problems, the utility model uses a kind of following technical scheme: the angle hole edge R pressurizing unit,
Including squeeze cylinder and compression tool, the squeeze cylinder includes oil cylinder, and the inner cavity of oil cylinder is divided into left chamber and right chamber by piston, described
Spring, the right end of the piston and the compression tool fixed company are set between the left side of piston and the end cap of the oil cylinder
It connects；The compression tool includes the pull rod being fixedly connected with the piston right end, sets gradually pad from left to right on the pull rod
Circle squeezes bushing and nut, and the extruding bushing includes the left bushing and right bushing being oppositely arranged, the opposite end of left and right bushing
Inside contract to be formed with the matched extrusion sections mounting portion in the hole of extrusion sections, and formed on extrusion sections mounting portion with extrusion sections
The matched angle extruding R in the angle R；The right chamber of the oil cylinder is connected to pipe nipple, and the pipe nipple is connect with the hydraulic oil with pressure.
Utility model works principle are as follows: first nut, right bushing are laid down, extrusion sections are set on left bushing, then
It is inserted into right bushing, and is fixed the hole of extrusion sections by nut, the hydraulic oil with pressure is passed through from pipe nipple, works as hydraulic oil
Right chamber pusher piston full of oil cylinder moves to the left, the pull rod to link together at this time with piston can with together with piston to
It moves left, the washer on pull rod can withstand top cover, and the extruding bushing of hole two sides can squeeze the angle hole edge R with pressure increase, work as pipe
The oil pressure decline at mouth is connect, piston can move to right under the promotion of left side spring with pull rod, and the pressure for being subject to extruding bushing is applied
It puts, nut can be removed at this time and squeezes bushing, check the extruding quality at the angle hole edge R, it is determined whether reach requirement.
Further, the oil cylinder one end end cap envelope set, the other end connect top cover, the pull rod through top cover with it is described
Piston is fixedly connected, and is acted directly on oil cylinder to avoid the pressure of pull rod, to protect to oil cylinder.
Further, piston rod is respectively set in the left and right both ends of the piston, and left end piston rod stretches out the end cap, right
It holds piston rod to stretch out oil cylinder, and is respectively set between the piston and the oil cylinder and between the right end piston rod and oil cylinder
Retaining ring and sealing ring to prevent the axial float of piston, and guarantee the sealing of right cavity of cylinder.
Further, handle is set on the oil cylinder, to hold when being easy to use.
Further, the axis of the pull rod is overlapped with the axis in the hole of the extrusion sections, to guarantee squeezing for the angle hole edge R
Press precision.
Compared with the prior art, the advantages of the utility model are:
1. the utility model pressurizing unit is compact-sized, quality is smaller, easy to carry and fixed；
2. the utility model is mobile by hydraulic drive piston, to keep pull rod mobile to squeeze hole edge, make extrusion process
Steadily, operation is controllable, and it is high to squeeze hole edge quality；
3. the utility model compression tool can be according to different pore size processing component, it is only necessary to consistent with piston connecting pin；
It, can be high-efficient with repetitive operation, high reliablity 4. the utility model pressurizing unit is convenient for disassembly and assembly.
Detailed description of the invention
Fig. 1 is the main sectional view of the angle the utility model hole edge R pressurizing unit structure.
Fig. 2 is the utility model compression tool structure sectional view.
Fig. 3 is the utility model extrusion principle schematic diagram.
Specific embodiment
The utility model is further described below in conjunction with specific preferred embodiment, but does not therefore limit this reality
With novel protection scope.
For ease of description, the description of the relative positional relationship (such as: upper and lower, left and right) of each component is according to explanation
Restriction effect is not played to the structure of this patent come what is be described in the Butut direction of book attached drawing.
Embodiment 1:
As Figure 1-Figure 2, the angle the utility model hole edge R pressurizing unit, including squeeze cylinder A(are as shown in Figure 1) and squeeze
Tool B(is as shown in Figure 2).Squeeze cylinder A includes end cap 1, spring 2, handle 3, retaining ring 4,8, sealing ring 5,9, pipe nipple 6, oil cylinder
7, top cover 10, piston 11, wherein one end of oil cylinder 7 is set with 1 envelope of end cap, and the other end connects top cover 10, and piston is arranged in oil cylinder 7
11, the inner cavity of oil cylinder 7 is divided into left chamber and right chamber by piston 11.Piston rod is respectively set in the left and right both ends of piston 11, and left end is living
Stopper rod stretches out end cap 1, and right end piston rod stretches out oil cylinder 7, and is fixedly connected with the pull rod of compression tool B 15, and the right chamber of oil cylinder 7
Retaining ring 4,8 and sealing ring 5,9 are set between the piston 11 and oil cylinder 7 at both ends, it is close to avoid the axial float and guarantee of piston 11
Envelope.Pipe nipple 6 is set in the right chamber of oil cylinder 7, which connect with the hydraulic oil with pressure.The left side of piston 11 with
Spring 2 is set between end cap 1.Handle 3 is set on oil cylinder 7, in order to hold.
Compression tool B includes nut 12, squeezes bushing 13, washer 14, pull rod 15, and pull rod 15 is inserted into the top cover of squeeze cylinder A
It in 10, and is fixedly connected with piston 11, sets gradually washer 14 from left to right on the pull rod 15 outside top cover 10, squeezes lining
Set 13 and nut 12, wherein squeezing bushing 13 includes the left bushing 131 and right bushing 132 being oppositely arranged, left bushing 131 and right lining
The opposite end of set 132 inside contracts to form extrusion sections mounting portion 133, and is formed and extrusion sections 16 on extrusion sections mounting portion 133
The matched angle extruding R 134 in the angle R.It will be apparent that compression tool B can customize corresponding size component according to aperture difference.
When the utility model is used, as shown in figure 3, specific implementation method are as follows:
1. getting out the extruding bushing 13 of corresponding size, whether Glabrous pierces the compressive plane of inspection extruding bushing 13；
2. the piston 11 of pull rod 15 and squeeze cylinder A is fixed；
3. successively loading onto washer 14, left bushing 131 on pull rod 15 according to sequence shown in Fig. 2, then lifting squeeze cylinder A
So that the free end of pull rod 15 is passed through the aperture for needing extrusion sections 16, and left bushing 131 is made to compress the hole edge of aperture, right lining is installed
Set 132, and it is fixed with nut 12；
4. checking whether each connection consolidates, the hole of the axis and extrusion sections 16 of the fixed position of confirmation pull rod 15 is coaxial；
5. being passed through hydraulic oil from pipe nipple 6, pressure is become larger, and keeps pressure for a period of time；
6. releasing stress, removes nut 12, squeezes bushing 13 and squeeze cylinder A, hole edge R cutin amount is checked, if not reaching
It is required that can squeeze again.
The above method extruding angle hole edge R is high-efficient, easy to process, easy to operate.
The above is only the preferred embodiment of the application, not does any type of limitation to the application, although this Shen
Please disclosed as above with preferred embodiment, however not to limit the application, any person skilled in the art is not taking off
In the range of technical scheme, a little variation or modification are made using the technology contents of the disclosure above and is equal to
Case study on implementation is imitated, is belonged in technical proposal scope.
Claims (5)
1. a kind of angle hole edge R pressurizing unit, it is characterised in that including squeeze cylinder (A) and compression tool (B), the squeeze cylinder includes
The inner cavity of oil cylinder (7), oil cylinder is divided into left chamber and right chamber, the end cap of the left side of the piston and the oil cylinder by piston (11)
(1) spring (2) are set between, the right end of the piston is fixedly connected with the compression tool；The compression tool includes and institute
The pull rod (15) that piston right end is fixedly connected is stated, washer (14) is set gradually on the pull rod from left to right, squeezes bushing (13)
And nut (12), the extruding bushing include the left bushing (131) and right bushing (132) being oppositely arranged, left and right bushing it is opposite
End inside contract to be formed with the matched extrusion sections mounting portion (133) in the hole of extrusion sections (16), and formed on extrusion sections mounting portion
With the matched angle extruding R (134) in the angle R of extrusion sections；The right chamber of the oil cylinder is connected to pipe nipple (6), the pipe nipple and band
There is the hydraulic oil of pressure to connect.
2. the angle hole edge R according to claim 1 pressurizing unit, which is characterized in that one end of the oil cylinder is sealed with end cap (1)
If the other end connects top cover (10), the pull rod is fixedly connected through top cover with the piston.
3. the angle hole edge R according to claim 1 pressurizing unit, which is characterized in that the left and right both ends of the piston are set respectively
Piston rod is set, left end piston rod stretches out the end cap, and right end piston rod stretches out oil cylinder, and between the piston and the oil cylinder,
And retaining ring and sealing ring is respectively set between the right end piston rod and oil cylinder.
4. the angle hole edge R according to claim 1 pressurizing unit, which is characterized in that handle (3) are arranged on the oil cylinder.
5. the angle hole edge R according to claim 1 pressurizing unit, which is characterized in that the axis of the pull rod and the extruding
The axis in the hole of part is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244589.8U CN209614736U (en) | 2019-02-27 | 2019-02-27 | The angle hole edge R pressurizing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244589.8U CN209614736U (en) | 2019-02-27 | 2019-02-27 | The angle hole edge R pressurizing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209614736U true CN209614736U (en) | 2019-11-12 |
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ID=68454867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920244589.8U Active CN209614736U (en) | 2019-02-27 | 2019-02-27 | The angle hole edge R pressurizing unit |
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| Country | Link |
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| CN (1) | CN209614736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227216A (en) * | 2021-12-23 | 2022-03-25 | 北京星航机电装备有限公司 | Installation device of oil-free lubrication bearing sleeve |
-
2019
- 2019-02-27 CN CN201920244589.8U patent/CN209614736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227216A (en) * | 2021-12-23 | 2022-03-25 | 北京星航机电装备有限公司 | Installation device of oil-free lubrication bearing sleeve |
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