CN208289788U - A kind of bolt hydraulic stretcher dismounting bracket - Google Patents
A kind of bolt hydraulic stretcher dismounting bracket Download PDFInfo
- Publication number
- CN208289788U CN208289788U CN201820127462.3U CN201820127462U CN208289788U CN 208289788 U CN208289788 U CN 208289788U CN 201820127462 U CN201820127462 U CN 201820127462U CN 208289788 U CN208289788 U CN 208289788U
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- China
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- pedestal
- seat ring
- bracket
- blowout patche
- hydraulic
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Abstract
The utility model provides a kind of bolt hydraulic stretcher dismounting bracket.It is characterized by: the seat ring (1) is welded on pedestal (4) bottom, pedestal (4) surrounding is provided with hole；Seat ring (1) top and blowout patche (3) lower part are machined with identical ring raceway, blowout patche (3) and ball (2) and roll along seat ring (1) ring raceway, wherein ball (2) is rotated along raceway axial line, and hack lever (5) is welded in pedestal (4) outer circle.The beneficial effects of the utility model are: solving, hydraulic elongator is dismantled, operating personnel's erect-position is crowded and difficult because of too heavy caused dismounting in installation process, keep disassembly, the installation process of hydraulic bolt tensioning jack safer, quick, it improves work efficiency, while in turn avoiding the excessive physical demands of service personnel.Can be for the bracket of the hydraulic bolt tensioning jack production corresponding size of different model, bracket parts machining is simple and easy.
Description
Technical field
The utility model provides a kind of bolt hydraulic stretcher dismounting bracket.
Background technique
Bolt hydraulic stretcher is summarized: the hydraulic source that bolt hydraulic stretcher is provided by hydraulic pump, according to bolt material
Tensile strength, yield factor and elongation determine drawing force, make that bolt is drawn to be elongated in its elastic deformation area, bolt is long
Slight deformation is spent, so that nut be made to be easy to loosen.Because bolt hydraulic stretcher directly elongates bolt using simple tension, no torsion is cut
Power and lateral force can pre-tighten more while accurately control bolt pretightening to the contact surface of bolt-connection without frictionally damage
The advantages that bolt and be widely used in high intensity, large scale, big pre-tighten force request or pre-tighten the stringenter occasion of force request.
The job specification of bolt hydraulic stretcher determines that its weight is generally heavier, gently then more than ten kilograms, public affairs heavy then up to a hundred
Jin.Before stretcher tensile bolt, first has to a stretcher and couple with work bolt thread, upward or side for bolt direction
To bolt for, no much difficulties are installed, but for the bolt being directed downward, the disassembly of hydraulic bolt tensioning jack,
Installation is dismounted extremely difficult due to its heavier-weight.By taking my company's high pressure scrubber 304C lower head as an example, bolt specification is
M80 × 4 amount to 24, and using the hydraulic elongator of 4 sets of model M80 × 4, every hydraulic elongator adds support base gross weight
Amount is up to 40 kilograms.It dismantles and returns every time and load demolition, installation hydraulic elongator 216 times repeatedly of end socket needs.Because bolt is downward, hydraulic
Stretcher conventional mounting arrangements need three people cooperation, and two people manually lift hydraulic elongator and support base, stretching nut with
Work bolt centering, and for a people by stretcher precession bolt, this method circumgyration stretch device is extremely difficult, while dismounting personnel's erect-position
It is crowded, the long time can not be supported, disassembly process will cause serious physical demands.Sometimes because dismounting personnel can not adhere to propping up
Supportting its weight leads to the failure of demolition, installation repeatedly or even will cause personnel and injure by a crashing object, time-consuming and laborious, can safe operation risk it is big.
Utility model content
The purpose of this utility model is: providing a kind of bolt hydraulic stretcher dismounting bracket.
The utility model is that technical solution used by solving its technical problem is:
A kind of bolt hydraulic stretcher dismounting bracket, including seat ring, ball, blowout patche, pedestal, hack lever, feature exist
In: the seat ring is welded on base bottom, plays support and positioning action jointly with pedestal, in order to mitigate bracket overall weight, bottom
Seat surrounding is provided with hole；Seat top and blowout patche lower part are machined with identical ring raceway, blowout patche and ball along seat ring ring raceway
It rolls, wherein ball is rotated along raceway axial line, and the friction between components is become rolling friction, reduces rotating friction force；
Blowout patche top is equipped with the groove of chamfering, and automatic centering when groove makes hydraulic elongator fall avoids hydraulic elongator when rotated
Frictional resistance is generated with base inner wall；；Hack lever is welded in pedestal outer circle.
Further, the pedestal surrounding is provided with 2~6 holes using engraved structure, and the hack lever is four by stainless steel
Pipe is made.
Further, the ball uses plain bearing ball.
Further, the blowout patche top is equipped with the groove with chamfering, automatic centering when groove makes hydraulic elongator fall,
Hydraulic elongator is avoided to generate frictional resistance with base inner wall when rotated；Blowout patche is axially and radially being kept with seat ring and pedestal
The gap 1~3mm avoids blowout patche from generating frictional resistance with seat ring or pedestal in rotary course.
Hydraulic bolt tensioning jack and support base: need to only be put into pedestal by application method when installation, and stretching device assembly will be certainly
Dynamic to fall in the groove on blowout patche top, two manpowers hold hack lever and hold up bracket and hydraulic tensioning device assembly, stretch nut and work
Bolt centering, a people is in lower section by hydraulic elongator precession bolt.
When disassembly, 2 people lift bracket, its blowout patche are gently leaned against hydraulic bolt tensioning jack bottom, a people revolves stretcher
Bolt out, stretcher are automatically fallen into groove, are then moved at next bolt and are installed.
The beneficial effects of the utility model are: hydraulic bolt tensioning jack dismounting bracket solves hydraulic elongator and tears open
Unload, operating personnel's erect-position is crowded and because dismounting caused by too heavy is difficult in installation process, make hydraulic bolt tensioning jack disassembly,
Installation process is safer, quick, improves work efficiency, while in turn avoiding the excessive physical demands of service personnel.Make to dismount
What process became can be continuous.Furthermore it is possible to the bracket of the hydraulic bolt tensioning jack production corresponding size for different model, bracket zero
Component processing is simple and easy.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the half-sectional main view of the utility model structure.
Fig. 2 is the utility model structure top view.
In figure: 1. seat rings, 2. balls, 3. blowout patches, 4. pedestals, 5. hack levers.
Specific embodiment
Embodiment 1:
A kind of bolt hydraulic stretcher dismounting bracket, including seat ring 1, ball 2, blowout patche 3, pedestal 4, hack lever 5, it is special
Sign is: the seat ring 1 is welded on 4 bottom of pedestal, plays support and positioning action jointly with pedestal 4, in order to mitigate bracket entirety
Weight, 4 surrounding of pedestal are provided with 2 holes；1 top of seat ring and 3 lower part of blowout patche are machined with identical ring raceway, blowout patche 3 and ball 2
It is rolled along 1 ring raceway of seat ring, wherein ball 2 is rotated along raceway axial line, and the friction between components is become to roll mill
It wipes, reduces rotating friction force；Hack lever 5 is welded in 4 outer circle of pedestal.
4 surrounding of pedestal is provided with 2 holes using engraved structure, and the hack lever 5 is made by four of stainless steel tube.
The ball 2 uses plain bearing ball.
3 top of blowout patche is equipped with the groove of chamfering, and automatic centering when groove makes hydraulic elongator fall avoids hydraulic drawing
It stretches device and generates frictional resistance with base inner wall when rotated；Blowout patche 3 with seat ring 1 and pedestal 4 between axially and radially keeping 1mm
Gap avoids blowout patche 3 from generating frictional resistance with seat ring 1 or pedestal 4 in rotary course.
Embodiment 2:
A kind of bolt hydraulic stretcher dismounting bracket, including seat ring 1, ball 2, blowout patche 3, pedestal 4, hack lever 5, it is special
Sign is: the seat ring 1 is welded on 4 bottom of pedestal, plays support and positioning action jointly with pedestal 4, in order to mitigate bracket entirety
Weight, 4 surrounding of pedestal are provided with 4 holes；1 top of seat ring and 3 lower part of blowout patche are machined with identical ring raceway, blowout patche 3 and ball 2
It is rolled along 1 ring raceway of seat ring, wherein ball 2 is rotated along raceway axial line, and the friction between components is become to roll mill
It wipes, reduces rotating friction force；Hack lever 5 is welded in 4 outer circle of pedestal.
4 surrounding of pedestal is provided with 4 holes using engraved structure, and the hack lever 5 is made by four of stainless steel tube.
The ball 2 uses plain bearing ball.
3 top of blowout patche is equipped with the groove with chamfering, and automatic centering when groove makes hydraulic elongator fall avoids hydraulic
Stretcher generates frictional resistance with base inner wall when rotated；Blowout patche 3 with seat ring 1 and pedestal 4 between axially and radially keeping 2mm
Gap avoids blowout patche 3 from generating frictional resistance with seat ring 1 or pedestal 4 in rotary course.
Embodiment 3:
A kind of bolt hydraulic stretcher dismounting bracket, including seat ring 1, ball 2, blowout patche 3, pedestal 4, hack lever 5, it is special
Sign is: the seat ring 1 is welded on 4 bottom of pedestal, plays support and positioning action jointly with pedestal 4, in order to mitigate bracket entirety
Weight, 4 surrounding of pedestal are provided with 6 holes；1 top of seat ring and 3 lower part of blowout patche are machined with identical ring raceway, blowout patche 3 and ball 2
It is rolled along 1 ring raceway of seat ring, wherein ball 2 is rotated along raceway axial line, and the friction between components is become to roll mill
It wipes, reduces rotating friction force；Hack lever 5 is welded in 4 outer circle of pedestal.
4 surrounding of pedestal is provided with 6 holes using engraved structure, and the hack lever 5 is made by four of stainless steel tube.
The ball 2 uses plain bearing ball.
3 top of blowout patche is equipped with the groove of chamfering, and automatic centering when groove makes hydraulic elongator fall avoids hydraulic drawing
It stretches device and generates frictional resistance with base inner wall when rotated；Blowout patche 3 with seat ring 1 and pedestal 4 between axially and radially keeping 3mm
Gap avoids blowout patche 3 from generating frictional resistance with seat ring 1 or pedestal 4 in rotary course.
Claims (4)
1. a kind of bolt hydraulic stretcher dismounts bracket, including seat ring (1), ball (2), blowout patche (3), pedestal (4), hack lever
(5), it is characterised in that: the seat ring (1) is welded on pedestal (4) bottom, plays support and positioning action jointly with pedestal (4), is
Mitigation bracket overall weight, pedestal (4) surrounding are provided with hole；Seat ring (1) top and blowout patche (3) lower part are machined with identical annular
Raceway, blowout patche (3) and ball (2) are rolled along seat ring (1) ring raceway, wherein ball (2) is rotated along raceway axial line, by zero
Friction between component becomes rolling friction, reduces rotating friction force；Blowout patche (3) top is equipped with the groove with chamfering, and groove makes
Automatic centering when hydraulic elongator falls avoids hydraulic elongator from generating frictional resistance with base inner wall when rotated；Hack lever (5)
It is welded in pedestal (4) outer circle.
2. a kind of bolt hydraulic stretcher according to claim 1 dismounts bracket, it is characterised in that: the pedestal
(4) surrounding is provided with 2~6 holes using engraved structure, and the hack lever (5) is made of four stainless steel tubes.
3. a kind of bolt hydraulic stretcher according to claim 1 or 2 dismounts bracket, it is characterised in that: the rolling
Pearl (2) uses plain bearing ball.
4. a kind of bolt hydraulic stretcher according to claim 1 or 2 dismounts bracket, it is characterised in that: blowout patche (3)
Axially and radially keeping the gap 1~3mm with seat ring (1) and pedestal (4), avoid blowout patche (3) in rotary course with seat ring (1)
Or pedestal (4) generates frictional resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127462.3U CN208289788U (en) | 2018-01-25 | 2018-01-25 | A kind of bolt hydraulic stretcher dismounting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127462.3U CN208289788U (en) | 2018-01-25 | 2018-01-25 | A kind of bolt hydraulic stretcher dismounting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208289788U true CN208289788U (en) | 2018-12-28 |
Family
ID=64698012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820127462.3U Active CN208289788U (en) | 2018-01-25 | 2018-01-25 | A kind of bolt hydraulic stretcher dismounting bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208289788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329966A (en) * | 2019-06-18 | 2019-10-15 | 沪东中华造船(集团)有限公司 | Crane bolt tensioning jack lifting apparatus |
-
2018
- 2018-01-25 CN CN201820127462.3U patent/CN208289788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329966A (en) * | 2019-06-18 | 2019-10-15 | 沪东中华造船(集团)有限公司 | Crane bolt tensioning jack lifting apparatus |
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