CN208601433U - A kind of large-diameter flanged dismantling device - Google Patents
A kind of large-diameter flanged dismantling device Download PDFInfo
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- CN208601433U CN208601433U CN201820968297.4U CN201820968297U CN208601433U CN 208601433 U CN208601433 U CN 208601433U CN 201820968297 U CN201820968297 U CN 201820968297U CN 208601433 U CN208601433 U CN 208601433U
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- trapezoidal thread
- push rod
- support frame
- shaped support
- flat thin
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Abstract
The utility model relates to a kind of large-diameter flanged dismantling devices, including U-shaped support frame, trapezoidal thread pipe, trapezoidal thread push rod, slide damper and linear thrust bar；The trapezoidal thread pipe is fixed on the U-shaped support frame；Two sides of the U-shaped support frame are provided with hole or slot；The linear thrust bar is set in the hole or slot；The trapezoidal thread push rod and the linear thrust bar are mounted on inside the trapezoidal thread pipe；The slide damper lower end surface is equipped with sliding slot, and the lower end surface of the U-shaped support frame is installed on by screw；One end of the linear thrust bar is contacted with the slide damper；Other end is contacted with the trapezoidal thread push rod；The inner face of the trapezoidal thread push rod is equipped with plane needle roller thrust bearing.The precession thrust that trapezoidal thread push rod generates is converted to plane thrust by plane needle roller thrust bearing, so that slide damper is mobile to improve propulsive efficiency and labour-saving effect to reach.
Description
Technical field
The utility model relates to flange dismantling device technical fields, and in particular to a kind of large-diameter flanged dismantling device.
Background technique
Flanged fitting is dismounted, generally dismounts flange with spanner, it, will also be by means of when dismounting large-diameter flanged and its pipe fitting
Crowbar, cucurbit etc., such operating difficulties are time-consuming and laborious.Flanged (FLGD) pipe fitting such as flow instrument, valve and large-scale petrochemical dress
Temperature-measuring part thermocouple COT flange sleeve is set, period coke cleaning is needed and dismantles COT flange, and COT casing is because of processing medium coking
There is the difficult problem of disassembly in bonding.
There are also flange dismounting auxiliary tools to exist at present, but pushes gear by the precession of trapezoidal thread push bolt
Plate and u-bracket make opposite direction movement, and since trapezoid thread screw and baffle are plane contacts, frictional resistance is huge, use
When it is relatively elaborate.
Utility model content
Relatively elaborate technical problem when to solve huge existing flange dismounting auxiliary tool frictional resistance, use, this
Utility model provides a kind of large-diameter flanged dismantling device.
In order to solve the above technical problems, the utility model provides the following technical solution:
A kind of large-diameter flanged dismantling device, including U-shaped support frame, trapezoidal thread pipe, trapezoidal thread push rod, slide damper
With linear thrust bar；The trapezoidal thread pipe is fixed on the U-shaped support frame；Two sides of the U-shaped support frame are provided with
Hole or slot；The linear thrust bar is set in the hole or slot；The trapezoidal thread push rod and the linear thrust bar are installed
Inside the trapezoidal thread pipe；The slide damper lower end surface is equipped with sliding slot, and is installed on the U-shaped support frame by screw
Lower end surface；One end of the linear thrust bar is contacted with the slide damper；Other end connects with the trapezoidal thread push rod
The inner face of touching, the trapezoidal thread push rod is equipped with plane needle roller thrust bearing.
Further, the inner face of the trapezoidal thread push rod is equipped with the first flat thin magnet；The linear thrust bar with it is described
The end face of trapezoidal thread push rod contact is equipped with the second flat thin magnet；First flat thin magnet and the second flat thin magnet polarity on the contrary,
So that linear thrust bar is in contact under magneticaction with plane needle roller thrust bearing；Push away linear thrust bar with trapezoidal thread
The shift position of bar is consistent.
Further, first flat thin magnet and second flat thin magnet are neodium magnet, and quality is hard, performance is stable,
With preferable magnetic property.
Further, the plane needle roller thrust bearing is fixed by the outer circlip circlip of 304 stainless steels, and 304 is stainless
The surface-brightening of the outer circlip circlip of steel, corrosion resistance, heat resistance, mechanical performance are outstanding.
Further, the material of the U-shaped support frame is steel plate, good mechanical property.
Compared with prior art, the beneficial effects of the utility model are as follows:
A kind of large-diameter flanged dismantling device of the utility model, passes through trapezoidal thread push rod, linear thrust bar and sliding
The disassembly and installation of baffle fit realization flange.The precession thrust that plane needle roller thrust bearing generates trapezoidal thread push rod is converted
For plane thrust, so that slide damper is mobile to improve propulsive efficiency and labour-saving effect to reach.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained with reference to the accompanying drawings.
Fig. 1 is the structure chart of the large-diameter flanged dismantling device of the utility model；
Fig. 2 is schematic diagram when the large-diameter flanged dismantling device of the utility model uses.
In figure: 1, U-shaped support frame；2, trapezoidal thread pipe；3, trapezoidal thread push rod；4, slide damper；5, linear thrust bar；
6, the first flat thin magnet；7, the outer circlip circlip of 304 stainless steels；8, plane needle roller thrust bearing；9, bolt；10, the second magnet
Piece；11, flange.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The utility model embodiment includes:
As shown in Fig. 1, a kind of large-diameter flanged dismantling device, including U-shaped support frame 1, trapezoidal thread pipe 2, trapezoidal spiral shell
Line push rod 3, slide damper 4 and linear thrust bar 5；The trapezoidal thread pipe 2 is fixed on the U-shaped support frame 1；It is described U-shaped
Two sides of support frame are provided with hole or slot；The linear thrust bar 5 is set in the hole or slot；The trapezoidal thread push rod
3 are mounted on inside the trapezoidal thread pipe 2 with the linear thrust bar 5；4 lower end surface of slide damper is equipped with sliding slot, and leads to
Cross the lower end surface that screw 9 is installed on the U-shaped support frame 1；One end of the linear thrust bar 5 is contacted with the slide damper 4；
Other end is contacted with the trapezoidal thread push rod 3, and the inner face of the trapezoidal thread push rod is equipped with plane needle roller thrust bearing
8。
Further, the inner face of the trapezoidal thread push rod 3 is equipped with the first flat thin magnet 6；The linear thrust bar 5 and institute
The end face for stating the contact of trapezoidal thread push rod 3 is equipped with the second flat thin magnet 10；First flat thin magnet 6 and 10 pole of the second flat thin magnet
Property is on the contrary, make linear thrust bar be in contact under magneticaction with plane needle roller thrust bearing；Make linear thrust bar with ladder
The shift position of shape screw putter is consistent.
Further, first flat thin magnet 6 and second flat thin magnet 10 are neodium magnet, and quality is hard, performance is steady
It is fixed, there is preferable magnetic property.
Further, the plane needle roller thrust bearing 8 is fixed by the outer circlip circlip 7 of 304 stainless steels, and 304 are not
The surface-brightening of the outer circlip circlip of the steel that becomes rusty, corrosion resistance, heat resistance, mechanical performance are outstanding.
Further, the material of the U-shaped support frame 1 is steel plate, good mechanical property.
As shown in Fig. 2,11a and 11b is flange to be torn open respectively.The interior span of U-shaped support frame 1 is greater than the thickness of flange
The diameter of degree, the gap of flange periphery when less than two flanges of thickness of plate fit together, linear thrust bar 5 is less than flange hole
Diameter, the gap of flange periphery when less than two flanges of thickness of slide damper 4 fit together.When disassembly, lower flange is first unloaded
On all fixing bolts, by 1 alignment flange hole site of U-shaped support frame, and be stuck on the edge of flange 11, then the trapezoidal spiral shell of precession
Line push rod 3, firmly rotates, and each flange 11 separately can be removed gasket.When installation, first with this tool by pipe fitting flange or pipeline
Flange separates, and after being inserted into gasket, the interior span for retracting U-shaped support frame 1 is greater than the thickness of flange, and the thickness of plate is less than two
Trapezoidal thread push rod 3 on 1 when flange fits together, pipeline restore and clamp gasket, and the interior span for removing U-shaped support frame 1 is big
In the thickness of flange, 1 when less than two flanges of thickness of plate fit together, loads onto and the bolt for tightening mounting flange is pacified
It installs complete.
Compared with prior art, the beneficial effects of the utility model are as follows:
A kind of large-diameter flanged dismantling device of the utility model, passes through trapezoidal thread push rod, linear thrust bar and sliding
The disassembly and installation of baffle fit realization flange.The precession thrust that plane needle roller thrust bearing generates trapezoidal thread push rod is converted
For plane thrust, so that slide damper is mobile to improve propulsive efficiency and labour-saving effect to reach.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of large-diameter flanged dismantling device, which is characterized in that pushed away including U-shaped support frame, trapezoidal thread pipe, trapezoidal thread
Bar, slide damper and linear thrust bar；The trapezoidal thread pipe is fixed on the U-shaped support frame；The two of the U-shaped support frame
A side is provided with hole or slot；The linear thrust bar is set in the hole or slot；The trapezoidal thread push rod and the straight line
Distance rod is mounted on inside the trapezoidal thread pipe；The slide damper lower end surface is equipped with sliding slot, and is installed on institute by screw
State the lower end surface of U-shaped support frame；One end of the linear thrust bar is contacted with the slide damper；Other end with it is described trapezoidal
Screw putter contact；The inner face of the trapezoidal thread push rod is equipped with plane needle roller thrust bearing.
2. large-diameter flanged dismantling device according to claim 1, which is characterized in that the inner end of the trapezoidal thread push rod
Face is equipped with the first flat thin magnet；The end face that the linear thrust bar is contacted with the trapezoidal thread push rod is equipped with the second flat thin magnet；Institute
It is opposite with the second flat thin magnet polarity to state the first flat thin magnet.
3. large-diameter flanged dismantling device according to claim 2, which is characterized in that first flat thin magnet and described the
Two flat thin magnets are neodium magnet.
4. large-diameter flanged dismantling device according to claim 1, which is characterized in that the plane needle roller thrust bearing is logical
The outer circlip circlip of 304 stainless steels is crossed to fix.
5. large-diameter flanged dismantling device according to claim 1, which is characterized in that the material of the U-shaped support frame is
Steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968297.4U CN208601433U (en) | 2018-06-22 | 2018-06-22 | A kind of large-diameter flanged dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968297.4U CN208601433U (en) | 2018-06-22 | 2018-06-22 | A kind of large-diameter flanged dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208601433U true CN208601433U (en) | 2019-03-15 |
Family
ID=65665637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820968297.4U Active CN208601433U (en) | 2018-06-22 | 2018-06-22 | A kind of large-diameter flanged dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208601433U (en) |
-
2018
- 2018-06-22 CN CN201820968297.4U patent/CN208601433U/en active Active
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