CN207824361U - A kind of hydraulic bolt tightening device for tightening a variety of bolts - Google Patents
A kind of hydraulic bolt tightening device for tightening a variety of bolts Download PDFInfo
- Publication number
- CN207824361U CN207824361U CN201721766699.8U CN201721766699U CN207824361U CN 207824361 U CN207824361 U CN 207824361U CN 201721766699 U CN201721766699 U CN 201721766699U CN 207824361 U CN207824361 U CN 207824361U
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- CN
- China
- Prior art keywords
- screw shell
- bolt
- tightening
- variety
- piston
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of hydraulic bolt tightening devices for tightening a variety of bolts, including pretension bolt, fuel inlet fitting and hydraulic cylinder, it is provided with locking nut on the outside of the pretension bolt, and it is equipped on the right side of locking nut and stirs handle, the first screw shell is fixed with below the pretension bolt, and first screw shell be internally provided with the second screw shell, support ring is installed on the left of the pretension bolt, and piston is fixed on the right side of support ring, it is provided with high-pressure oil pipe on the right side of the piston, and oil pump is installed on the right side of high-pressure oil pipe, it is provided with oil pump on the left of the fuel inlet fitting, it is fixed with oil cylinder below the piston, and oil outlet fitting is installed on the left of oil cylinder.The hydraulic bolt tightening device for being used to tighten a variety of bolts is provided with the first screw shell and the second screw shell, thus can be in regulating piston by the first screw shell and the second screw shell size.
Description
Technical field
The utility model is related to bolt technical field, specially a kind of bolt hydraulicefficiency tightening dress for tightening a variety of bolts
It sets.
Background technology
Now with the continuous development of society, the machinery field development in China is getting faster, such as our common spiral shells
Bolt, bolt are applied to all trades and professions, and as the range that bolt is applied is wider, spanner in the market cannot be well by bolt
It tightens, therefore occurs hydraulic bolt tightening device in the market, which mainly carries out the bolt on larger machine
Tightly, make the degree that bolt tightens consistent, although there are many type of hydraulic bolt tightening device currently on the market, there is also
Some shortcomings, such as traditional bolt fastening device cannot tighten the bolt of different size, this results in bolt
The use scope of hydraulic bolting device is limited to, and also hydraulic bolt tightening device cannot adjust height according to the region of work
Degree, and then cause hydraulic bolt tightening device that cannot work well, artificial support is needed, therefore we have proposed for tightening
The hydraulic bolt tightening device of a variety of bolts can be good at solving problem above.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic bolt tightening devices for tightening a variety of bolts, to solve
The bolt fastening device traditional currently on the market that above-mentioned background technology proposes cannot tighten the bolt of different size, this
The use scope of hydraulic bolt tightening device is resulted in be limited to, also hydraulic bolt tightening device cannot be according to the area of work
Domain and adjust height, and then the problem of cause hydraulic bolt tightening device that cannot work well, need artificial support.
To achieve the above object, the utility model provides the following technical solutions：A kind of bolt for tightening a variety of bolts
Hydraulic bolting device, including pretension bolt, fuel inlet fitting and hydraulic cylinder are provided with locking nut on the outside of the pretension bolt,
And be equipped on the right side of locking nut and stir handle, the first screw shell, and the first spiral shell are fixed with below the pretension bolt
Line sleeve is internally provided with the second screw shell, and support ring, and the right side of support ring are equipped on the left of the pretension bolt
It is fixed with piston, high-pressure oil pipe is provided on the right side of the piston, and oil pump is installed on the right side of high-pressure oil pipe, the oil inlet connects
The left side of head is provided with oil pump, oil cylinder is fixed with below the piston, and oil outlet fitting is equipped on the left of oil cylinder, the oil
It is provided with seat ring below cylinder, and is fixed with pre-load nut below seat ring, preload work is installed below the pre-load nut
Part, and telescopic rod is provided with below pre- clamping of workpieces, clamping support, and the left side peace of clamping support are fixed on the left of the hydraulic cylinder
Equipped with the second screw shell.
Preferably, the oil pump and fuel inlet fitting are detaching structure, and oil pump is structure as a whole with high-pressure oil pipe.
Preferably, the inside of first screw shell is thread-like structure, and the outside of the first screw shell is smooth
Structure, and the overall diameter of the first screw shell is less than the interior diameter of piston.
Preferably, the connection type of second screw shell and the first screw shell is to be connected together.
Preferably, the " U "-shaped structure of the clamping support, and the both ends of clamping support are rotational structure, and the two of clamping support
End is thread-like structure.
Preferably, there are two the telescopic rod settings, and telescopic rod is symmetrical about the center line of pretension bolt.
Compared with prior art, the utility model has the beneficial effects that：This is used to tighten the bolt hydraulic pressure of a variety of bolts
Tight device is provided with the first screw shell and the second screw shell, therefore can be with by the first screw shell and the second screw shell
The bolt of different size is tightened,
（1）It is provided with the first screw shell and the second screw shell, therefore passes through the first screw shell and the second thread bush
Cylinder can be in regulating piston size, and then enable to whole device that can tighten the bolt of different size so that the device
Use scope it is wide, meet the demand of different bolts；
（2）Clamping support is installed, the first screw shell or the second screw shell are fixed by clamping support, clamping support it is another
Side is fixed with hydraulic cylinder, and then hydraulic cylinder drives clamping support movement, to by the first screw shell or the second screw shell from
It is removed in piston；
（3）It is fixed with telescopic rod, the height of whole device can be adjusted by telescopic rod, then enables whole device
The bolt for tightening different height also improves working efficiency to save labour.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic view；
Fig. 3 is the utility model piston overlooking structure diagram；
Fig. 4 is the utility model piston and hydraulic cylinder attachment structure schematic diagram.
In figure：1, pretension bolt, 2, support ring, 3, high-pressure oil pipe, 4, oil pump, the 5, first screw shell, 6, oil outlet fitting,
7, piston, 8, oil cylinder, 9, seat ring, 10, locking nut, 11, stir handle, 12, fuel inlet fitting, 13, pre-load nut, 14, pre-tighten
Workpiece, the 15, second screw shell, 16, clamping support, 17, hydraulic cylinder, 18, telescopic rod.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of bolt hydraulic pressure for tightening a variety of bolts
Fastening device, including pretension bolt 1, support ring 2, high-pressure oil pipe 3, oil pump 4, the first screw shell 5, oil outlet fitting 6, piston 7,
Oil cylinder 8, locking nut 10, stirs handle 11, fuel inlet fitting 12, pre-load nut 13, pre- clamping of workpieces 14, the second thread bush at seat ring 9
Cylinder 15, clamping support 16, hydraulic cylinder 17 and telescopic rod 18, the outside of pretension bolt 1 are provided with locking nut 10, and locking nut 10
Right side be equipped with and stir handle 11, the lower section of pretension bolt 1 is fixed with the first screw shell 5, and the first screw shell 5 is interior
Portion is provided with the second screw shell 15, and the inside of the first screw shell 5 is thread-like structure, and the outside of the first screw shell 5
For smooth structure, and the overall diameter of the first screw shell 5 is less than the interior diameter of piston 7, therefore the first screw shell 5 is well
It is embedded in the inside of piston 7, the left side of pretension bolt 1 is equipped with support ring 2, and the right side of support ring 2 is fixed with piston 7, living
The right side of plug 7 is provided with high-pressure oil pipe 3, and the right side of high-pressure oil pipe 3 is equipped with oil pump 4, and oil pump 4 is dismounting with fuel inlet fitting 12
Structure, and oil pump 4 is structure as a whole with high-pressure oil pipe 3, provides power by oil pump 4 for whole device so that pre- clamping of workpieces 14
The left side of work well, fuel inlet fitting 12 is provided with oil pump 4, and the lower section of piston 7 is fixed with oil cylinder 8, and the left side peace of oil cylinder 8
Equipped with oil outlet fitting 6, the lower section of oil cylinder 8 is provided with seat ring 9, and the lower section of seat ring 9 is fixed with pre-load nut 13, pre-load nut 13
Lower section pre- clamping of workpieces 14 is installed, and the lower section of pre- clamping of workpieces 14 is provided with telescopic rod 18, and there are two the settings of telescopic rod 18, and
Telescopic rod 18 is symmetrical about the center line of pretension bolt 1, therefore the height of whole device is adjusted by telescopic rod 18, just
It works well in device, the left side of hydraulic cylinder 17 is fixed with clamping support 16, and the left side of clamping support 16 is equipped with the second screw thread
Sleeve 15,16 " U "-shaped structure of clamping support, and the both ends of clamping support 16 are rotational structure, and the both ends of clamping support 16 are spiral shell
First screw shell 5 or the second screw shell 15 are taken out out of piston 7 by clamping support 16, and then can consolidated by striated structure
Determine the bolt of different model, the connection type of the second screw shell 15 and the first screw shell 5 is to be connected together, therefore the first spiral shell
Line sleeve 5 and the second screw shell 15 can be good at fixed and mobile.
Operation principle：When being used to tighten the hydraulic bolt tightening device of a variety of bolts using this, first, by whole device
Bottom fixed by pedestal and 18 phase of telescopic rod, then whole device is moved in working region, according to pretension bolt 1
Height carrys out the height of adjustable telescopic rod 18, then fixes whole device, pretension bolt 1 and pre-load nut 13 is placed on solid
On fixed position, corresponding screw shell, hydraulic cylinder 17 is selected to start to work according to the specification of pretension bolt 1,17 band of hydraulic cylinder
The screw shell that dynamic clamping support 16 is fixed inside piston 7 selects suitable screw shell, then hydraulic cylinder 17 as needed
Suitable screw shell is taken out of, then one end of pretension bolt 1 and 10 phase of locking nut are fixed, locking nut 10 is inserted into
It inside screw shell, is fixed, then oil pump 4 is started to work, and fuel inlet fitting 12 is started to work, and high-pressure oil pipe 3 transports oil
Into oil cylinder 8, power is converted by oil liquid pressure, pre- clamping of workpieces 14 is driven to tighten pretension bolt 1, primary entire work
Just finish, during being tightened to pretension bolt 1, seat ring 9 plays the role of protection to oil cylinder 8, avoids oil cylinder 8
Interior oil spill goes out, while pre-load nut 13 plays the role of again pretension bolt 1 fixed, after entire work, passes through
This rotation stirs handle 11 and disassembles locking nut 10 from pretension bolt 1, then again by locking nut 10 from piston 7
It disassembles, then proceedes to next make-up work, the content not being described in detail in specification belongs to this field professional technique
The prior art well known to personnel.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of hydraulic bolt tightening device for tightening a variety of bolts, including pretension bolt（1）, fuel inlet fitting（12）And liquid
Cylinder pressure（17）, it is characterised in that：The pretension bolt（1）Outside be provided with locking nut（10）, and locking nut（10）'s
Right side, which is equipped with, stirs handle（11）, the pretension bolt（1）Lower section be fixed with the first screw shell（5）, and the first screw thread
Sleeve（5）Be internally provided with the second screw shell（15）, the pretension bolt（1）Left side support ring is installed（2）, and prop up
Pushing out ring（2）Right side be fixed with piston（7）, the piston（7）Right side be provided with high-pressure oil pipe（3）, and high-pressure oil pipe（3）'s
Right side is equipped with oil pump（4）, the fuel inlet fitting（12）Left side be provided with oil pump（4）, the piston（7）Lower section be fixed with
Oil cylinder（8）, and oil cylinder（8）Left side oil outlet fitting is installed（6）, the oil cylinder（8）Lower section be provided with seat ring（9）, and seat
Circle（9）Lower section be fixed with pre-load nut（13）, the pre-load nut（13）Lower section pre- clamping of workpieces is installed（14）, and pre-tighten
Workpiece（14）Lower section be provided with telescopic rod（18）, the hydraulic cylinder（17）Left side be fixed with clamping support（16）, and clamping support
（16）Left side the second screw shell is installed（15）.
2. a kind of hydraulic bolt tightening device for tightening a variety of bolts according to claim 1, it is characterised in that：Institute
State oil pump（4）With fuel inlet fitting（12）For detaching structure, and oil pump（4）With high-pressure oil pipe（3）It is structure as a whole.
3. a kind of hydraulic bolt tightening device for tightening a variety of bolts according to claim 1, it is characterised in that：Institute
State the first screw shell（5）Inside be thread-like structure, and the first screw shell（5）Outside be smooth structure, and the
One screw shell（5）Overall diameter be less than piston（7）Interior diameter.
4. a kind of hydraulic bolt tightening device for tightening a variety of bolts according to claim 1, it is characterised in that：Institute
State the second screw shell（15）With the first screw shell（5）Connection type be connected together.
5. a kind of hydraulic bolt tightening device for tightening a variety of bolts according to claim 1, it is characterised in that：Institute
State clamping support（16）" U "-shaped structure, and clamping support（16）Both ends be rotational structure, and clamping support（16）Both ends be spiral shell
Striated structure.
6. a kind of hydraulic bolt tightening device for tightening a variety of bolts according to claim 1, it is characterised in that：Institute
State telescopic rod（18）There are two settings, and telescopic rod（18）About pretension bolt（1）Center line it is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766699.8U CN207824361U (en) | 2017-12-18 | 2017-12-18 | A kind of hydraulic bolt tightening device for tightening a variety of bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766699.8U CN207824361U (en) | 2017-12-18 | 2017-12-18 | A kind of hydraulic bolt tightening device for tightening a variety of bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207824361U true CN207824361U (en) | 2018-09-07 |
Family
ID=63387951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721766699.8U Expired - Fee Related CN207824361U (en) | 2017-12-18 | 2017-12-18 | A kind of hydraulic bolt tightening device for tightening a variety of bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207824361U (en) |
-
2017
- 2017-12-18 CN CN201721766699.8U patent/CN207824361U/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 |
Granted publication date: 20180907 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |