CN206824940U - A kind of adjustable hydraulic bolt tensioning jack - Google Patents
A kind of adjustable hydraulic bolt tensioning jack Download PDFInfo
- Publication number
- CN206824940U CN206824940U CN201720665286.4U CN201720665286U CN206824940U CN 206824940 U CN206824940 U CN 206824940U CN 201720665286 U CN201720665286 U CN 201720665286U CN 206824940 U CN206824940 U CN 206824940U
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- CN
- China
- Prior art keywords
- nut
- connection port
- adjustable hydraulic
- tensioning jack
- 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 adjustable hydraulic bolt tensioning jack, including stretcher main body and connection port, the holder head is internally provided with nut, and nut interior is provided with bolt, snap joint is connected with the right side of the connection port, and connection port is internally provided with spring, shell is installed above the snap joint, and snap joint passes on left connection port and is connected with piston, the access aperture bottom is provided with holder head and nut sleeve, the stretching nut bottom is connected with piston, and is connected with oil cylinder on the outside of piston.The installation of the adjustable hydraulic bolt tensioning jack connection port contained spring is in order to which the elastomeric material in the intraoral portion of timely butt joint is tightened up, fallen into so that not having dust during oil cylinder is operated, and then extend the operating efficiency of whole device, the disassembling shell structure of stretching nut can be very good the sleeve stretched outside nut being connected through a screw thread and take out and screw in, and reach regulation into the purpose of pore diameter size.
Description
Technical field
Bolt tensioning jack technical field is the utility model is related to, specially a kind of adjustable hydraulic bolt tensioning jack.
Background technology
Adjustable hydraulic bolt tensioning jack is that one kind is easy to lead electric power, shipping industry, metallurgical colliery and heavy-duty machinery etc.
The bolt of domain needs is fixed, and the mechanical energy of prime mover is converted into liquid hair pressure energy, and then save manpower thing
The effect of power, and the use range of existing general hydraulic bolt tensioning jack is single, can only be directed to a certain bolt and be drawn
Stretch, while during hydraulic bolt drawing work, impurity and dust are often entered in oil cylinder, in turn results in whole hydraulic pressure
The problem of service life of bolt expansion bend shortens and operating efficiency reduces, so, hydraulic bolt expansion bend currently on the market
It is hydraulic bolt tensioning jack that although species, which with large number of, still needs a kind of suitable plurality of specifications bolt use,.
Utility model content
The purpose of this utility model is to provide a kind of adjustable hydraulic bolt tensioning jack, carried with solving above-mentioned background technology
The hydraulic screw stretcher use range in the market gone out is single and can not effectively solve the problems, such as to enter ash fouling in oil cylinder.
To achieve the above object, the utility model provides following technical scheme：A kind of adjustable hydraulic bolt tensioning jack, bag
Stretcher main body and connection port are included, shell and oil cylinder are installed above the stretcher main body, and oil cylinder bottom is fixed with bearing,
The holder top is connected with holder head, and the holder head is internally provided with nut, and nut interior is provided with bolt, the spiral shell
Female outside is provided with nut sleeve, and is provided with screwed hole above nut sleeve, and the bolt external stability is provided with access aperture, and enters
Enter and stretching nut and piston are connected on the right side of hole, be connected with snap joint on the right side of the connection port, and set inside connection port
Be equipped with spring, shell be installed above the snap joint, and snap joint passes on left connection port and is connected with piston, it is described enter
Enter bottom hole portion and be provided with holder head and nut sleeve, the stretching nut bottom is connected with piston, and is connected with oil cylinder on the outside of piston.
Preferably, the material of the shell is made up of heat-barrier material.
Preferably, the holder head is concentric circles structure, and its internal outside is evenly distributed with 8 springs, and is propped up
Material inside seat head is rubber.
Preferably, the nut sleeve is non-close shape structure, and nut sleeve inner materials are made up of magnet, and nut sleeve
Outside is evenly distributed with 5 screwed holes.
Preferably, the connection port is stretching structure, and its top is roughness structure.
Preferably, the stretching nut is demountable structure.
Compared with prior art, the beneficial effects of the utility model are：The adjustable hydraulic bolt tensioning jack is provided with outer
Shell, it is possible thereby to well heat caused by oil cylinder internal work be absorbed by the material of shell, reaches easy to disassemble
The effect of carrying, the installation of holder head can be very good that nut is fixed, while also allow for hydraulic elongator position really
It is fixed, and then the effect used of Fast Installation, indirectly improve the operating efficiency of whole device, the setting of snap joint
Can be very good simultaneously to be attached two stretcher main bodys so that two devices can the work of oil-feed simultaneously, and mutually
Do not influence, the installation of connection port contained spring is in order to which the elastomeric material in the intraoral portion of timely butt joint is tightened up so that in oil
Cylinder does not have dust during being operated and fallen into, and then extends the operating efficiency of whole device, stretches the shell of nut
Detaching structure can be very good the sleeve stretched outside nut being connected through a screw thread and take out and screw in, and it is straight to reach regulation access aperture
The purpose of footpath size.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model connection port structural representation；
Fig. 3 is the utility model nut sleeve structural representation；
Fig. 4 is the utility model nut sleeve overlooking the structure diagram.
In figure：1st, stretcher main body, 2, shell, 3, oil cylinder, 4, bearing, 5, holder head, 6, nut, 7, bolt, 8, nut
Set, 9, connection port, 10, snap joint, 11, screwed hole, 12, access aperture, 13, stretching nut, 14, piston, 15, spring.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of adjustable hydraulic bolt tensioning jack, including
Stretcher main body 1, shell 2, oil cylinder 3, bearing 4, holder head 5, nut 6, bolt 7, nut sleeve 8, connection port 9, snap joint 10,
Screwed hole 11, access aperture 12, stretching nut 13, piston 14 and spring 15, the top of stretcher main body 1 are provided with shell 2 and oil cylinder
3, and the bottom of oil cylinder 3 is fixed with bearing 4, the top of bearing 4 is connected with holder head 5, and the material of shell 2 is made up of heat-barrier material, by
This is easy to take to the stretcher main body 1 just using completion, and then is easy to second of use, and holder head 5 is concentric circles
Shape structure, and its internal outside is evenly distributed with 8 springs 15, and the material inside holder head 5 is rubber, passes through spring 15
Timely elongation with shrinking, and then solve the problems, such as clan's ash in oil cylinder 3, holder head 5 is internally provided with nut 6, and nut 6
Inside is provided with bolt 7, and nut sleeve 8 is provided with outside nut 6, and screwed hole 11 is provided with above nut sleeve 8, outside bolt 7
Access aperture 12 is fixedly installed, and the right side of access aperture 12 is connected to stretching nut 13 and piston 14, the right side of connection port 9 connects
There is snap joint 10, and connection port 9 is internally provided with spring 15, connection port 9 is stretching structure, and its top is roughness
Structure, it is possible thereby to quickly be positioned to stretcher main body 1, reach rapid operation and put forward efficient purpose, fast quick access
First 10 top is provided with shell 2, and snap joint 10 passes on left connection port 9 and is connected with piston 14, and the bottom of access aperture 12 is set
There are holder head 5 and nut sleeve 8, nut sleeve 8 is non-close shape structure, and the inner materials of nut sleeve 8 are made up of magnet, and nut
5 screwed holes 11 are evenly distributed with outside set 8, can both complete the fastener cycle of nut 6, and can prevents that the outside of nut 6 is impaired,
Stretching nut 13 bottom is connected with piston 14, and the outside of piston 14 is connected with oil cylinder 3, and stretching nut 13 is demountable structure, by
This can be very good the size that access aperture 12 is selected according to the size of the diameter of bolt 7, and then improve the use of stretcher main body 1
Scope.
Operation principle：When using the adjustable hydraulic bolt tensioning jack, first, stretcher main body 1 is taken to required solid
Determine the place of bolt 7, nut 6 is installed in fixing hole, oil is entered into oil cylinder 3 by snap joint 10 at connection port 9
Inside, in crossing in title for oil-feed, by timely contraction and the elongation of the spring 15 inside connection port 9, and then cause in connection port 9
The rubber in portion shrinks and elongation, reaches and occurs the problem of preventing 3 inside ash charge of oil cylinder, and then extends whole stretcher main body 1
Service life, the length scale inside stretching nut 13 is then selected according to the diameter of bolt 7, if the diameter of nut sleeve 8 is big,
The outer sleeve for stretching nut 13 is screwed out, then passes through the screw thread knot inside the helicitic texture outside bolt 7 and access aperture 12
Structure matches, and completes bolt 7 and the fixation of stretcher main body 1, and holder head 5 completes the fixation of nut 6, starts oil cylinder 3 so that draws
The axial tension that nut 13 completes bolt 7 is stretched, miniature deformation occurs, by a waddy, is screwed in the screwed hole 11 outside nut sleeve 8
Portion, rotating nut 6 is finally completed, remove stretcher main body 1, so as to complete a series of activities.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (6)
1. a kind of adjustable hydraulic bolt tensioning jack, including stretcher main body（1）And connection port（9）, it is characterised in that：The drawing
Stretch device main body（1）Top is provided with shell（2）And oil cylinder（3）, and oil cylinder（3）Bottom is fixed with bearing（4）, the bearing（4）
Top is connected with holder head（5）, the holder head（5）It is internally provided with nut（6）, and nut（6）Inside is provided with bolt
（7）, the nut（6）Outside is provided with nut sleeve（8）, and nut sleeve（8）Top is provided with screwed hole（11）, the bolt
（7）External stability is provided with access aperture（12）, and access aperture（12）Right side is connected to stretching nut（13）And piston（14）,
The connection port（9）Right side is connected with snap joint（10）, and connection port（9）It is internally provided with spring（15）, the fast quick access
Head（10）Top is provided with shell（2）, and snap joint（10）Pass on left connection port（9）With piston（14）Connection, it is described enter
Enter hole（12）Bottom is provided with holder head（5）And nut sleeve（8）, the stretching nut（13）Bottom is connected with piston（14）, and
Piston（14）Outside is connected with oil cylinder（3）.
A kind of 2. adjustable hydraulic bolt tensioning jack according to claim 1, it is characterised in that：The shell（2）Material
Matter is made up of heat-barrier material.
A kind of 3. adjustable hydraulic bolt tensioning jack according to claim 1, it is characterised in that：The holder head（5）For
Concentric circles structure, and its internal outside is evenly distributed with 8 springs（15）, and holder head（5）Internal material is rubber.
A kind of 4. adjustable hydraulic bolt tensioning jack according to claim 1, it is characterised in that：The nut sleeve（8）For
Non-close shape structure, and nut sleeve（8）Inner materials are made up of magnet, and nut sleeve（8）Outside is evenly distributed with 5 screw threads
Hole（11）.
A kind of 5. adjustable hydraulic bolt tensioning jack according to claim 1, it is characterised in that：The connection port（9）For
Stretching structure, and its top is roughness structure.
A kind of 6. adjustable hydraulic bolt tensioning jack according to claim 1, it is characterised in that：The stretching nut（13）
For demountable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665286.4U CN206824940U (en) | 2017-06-09 | 2017-06-09 | A kind of adjustable hydraulic bolt tensioning jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665286.4U CN206824940U (en) | 2017-06-09 | 2017-06-09 | A kind of adjustable hydraulic bolt tensioning jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206824940U true CN206824940U (en) | 2018-01-02 |
Family
ID=60775119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720665286.4U Expired - Fee Related CN206824940U (en) | 2017-06-09 | 2017-06-09 | A kind of adjustable hydraulic bolt tensioning jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206824940U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788710A (en) * | 2018-08-16 | 2018-11-13 | 安徽星瑞齿轮传动有限公司 | A kind of axle bolt of two axis nut of automotive transmission/bis- tightens component |
| CN110774205A (en) * | 2019-10-07 | 2020-02-11 | 江苏擎邦机械有限公司 | Ball socket wrench |
| CN111408931A (en) * | 2020-04-10 | 2020-07-14 | 王德志 | Hydraulic bolt stretcher |
-
2017
- 2017-06-09 CN CN201720665286.4U patent/CN206824940U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788710A (en) * | 2018-08-16 | 2018-11-13 | 安徽星瑞齿轮传动有限公司 | A kind of axle bolt of two axis nut of automotive transmission/bis- tightens component |
| CN108788710B (en) * | 2018-08-16 | 2024-06-04 | 安徽星瑞齿轮传动有限公司 | Two-shaft nut/two-shaft bolt tightening assembly of automobile transmission |
| CN110774205A (en) * | 2019-10-07 | 2020-02-11 | 江苏擎邦机械有限公司 | Ball socket wrench |
| CN111408931A (en) * | 2020-04-10 | 2020-07-14 | 王德志 | Hydraulic bolt stretcher |
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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: 20180102 Termination date: 20190609 |