CN205991278U - A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement - Google Patents
A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement Download PDFInfo
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- CN205991278U CN205991278U CN201620843325.0U CN201620843325U CN205991278U CN 205991278 U CN205991278 U CN 205991278U CN 201620843325 U CN201620843325 U CN 201620843325U CN 205991278 U CN205991278 U CN 205991278U
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- corrugated tube
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Abstract
A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement, is connected using hinge type, the problems such as making expansion joint no flow resistance and the pressure loss, and can solve the problem that Pipe installing spaces compact.
Description
Technical field
This utility model belongs to bellows expansion joint application, be specifically designed one kind can absorb axially, laterally and
The external pressure straight pipe pressure-balancing type expansion joint of angular displacement, is provided simultaneously with the notable technology of no medium flow resistance and the pressure loss etc. excellent
Gesture.
Background technology
Metal corrugated pipe expansion joint is the modern times to be heated pipe network and equipment carries out one of critical component of thermal compensation, has displacement
The effect of compensation, vibration and noise reducing and sealing.Be widely used at present metallurgy, oil refining, petrochemical industry, electric power (thermoelectricity, water power and
Nuclear power), heat supply network, ship, building, cement, the heating pipeline of each industrial department, craft piping, machine, pump and the pressure such as aerospace and machinery
On the equipment such as force container.But the construction featuress due to corrugated tube itself, corrugated tube can produce pressure to the two ends at coupled place
Push power, can act on further on the equipment at connected end, equipment can be damaged when serious, cause serious consequence.
Fig. 1 is the piping schematic with equipment and bellows expansion joint, arranges a ripple between equipment and fixed support
Pipe expansion joint is used for compensating the axial thermal walking between equipment and fixed support.One end of bellows expansion joint is connected with equipment,
The other end is connected with pipeline fixing bracket.When there being pressure in pipeline, corrugated tube can be born with pipeline fixing bracket end swollen
The pressure thrust of swollen section, and can act on equipment with the pressure thrust of equipment connection end.
General interior die mould straight pipe pressure-balancing type expansion joint can absorb axial direction, lateral displacement and angular displacement, but needs
Want larger installing space, and carry water conservancy diversion barrel structure, there is certain flow resistance, there is the pressure loss；And general external pressure straight tube
Pressure balanced expansion joint is only capable of absorbing axial displacement, minimum lateral displacement, but can not absorb angular displacement, and installing space
Larger, carry water conservancy diversion barrel structure simultaneously, there is certain flow resistance, there is the pressure loss.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of external pressure straight tube pressure for absorbing compound displacement to put down
Weighing apparatus expansion joint, no flow resistance and the pressure loss, and the problems such as can solve the problem that Pipe installing spaces compact.
For realizing above-mentioned technical purpose, be employed technical scheme comprise that：A kind of external pressure straight tube for absorbing compound displacement
Pressure balance expanding joint, is provided with external pressure straight tube pressure expansion section component, is provided with angle in outer straightening pipe pressure expansion joint member exterior
Displacement absorbent assembly, described angular displacement absorbent assembly include the first ring flat-plate, the second ring flat-plate, the 3rd ring flat-plate, the 4th ring flat-plate, first
Secondary flap, the first main hinge plate, the second secondary flap and the second main hinge plate, the first ring flat-plate is sheathed to be fixed on inlet tube,
Second ring flat-plate is sheathed to be fixed in the outer tube assembly of work corrugated tube, and the 3rd ring flat-plate is sheathed to be fixed on the outer tube assembly of balance corrugated tube
On, Fourth Ring sleeve-board sets and is fixed on outlet, and one end of the second main hinge plate is fixedly connected with the 4th ring flat-plate, its other end with
Second secondary flap is hinged, and the other end of the second secondary flap sequentially passes through the 3rd ring flat-plate, is fixed on the second ring after the second ring flat-plate
On plate, horizontal slide opening is opened in the one end being connected with the second ring flat-plate in the second secondary flap, and one end insertion of the first main hinge plate is laterally
Slide opening, its other end is hinged with the first secondary flap, and the other end of the first secondary flap is fixedly connected with the first ring flat-plate.
First ring flat-plate described in the utility model, the second ring flat-plate, the 3rd ring flat-plate and the 4th ring flat-plate are adpting flange.
Second main hinge plate described in the utility model is made up of two blocks of flaps being parallel to each other, between two blocks of flaps
For horizontal slide opening.
External pressure straight tube pressure expansion section component described in the utility model includes two work corrugated tubes and a balance wave
Stricture of vagina pipe, the first work bellows-sheathed is located on inlet tube, and the second work bellows-sheathed is located on outlet, works corrugated tube and enters
Surround not subjected to pressure chamber between mouth tube wall, outlet tube wall, surround between work corrugated tube and the outer tube assembly of work corrugated tube and be subject to
Pressure chamber A, balance bellows-sheathed is located in the outer tube assembly of work corrugated tube, between balance corrugated tube and the outer tube assembly of work corrugated tube
Surround not subjected to pressure chamber, between balance corrugated tube and the outer tube assembly of balance corrugated tube, surround pressurized chamber B, inlet tube and outlet it
Between be provided with gap, gap is connected with pressurized chamber A, pressurized chamber B.
First main hinge plate described in the utility model and the first secondary flap pass through the first hinge.
Second main hinge plate described in the utility model and the second secondary flap pass through the second hinge.
The beneficial effects of the utility model are：This utility model both can guarantee that expansion joint absorbed axial displacement, lateral displacement
And angular displacement, it is avoided that medium washing away and wear and tear to corrugated tube again, and the pressure thrust that corrugated tube produces can be flat with self
Weighing apparatus, no water conservancy diversion barrel structure, no flow resistance and the pressure loss, improves the security reliability of pipeline.
Brief description
Fig. 1 carries the piping schematic of equipment and bellows expansion joint for this utility model；
Fig. 2 is structural representation of the present utility model；
In figure：1st, the first ring flat-plate, the 2, first secondary flap, the 3, first bearing pin, the 4, second ring flat-plate, the 5, first main hinge plate,
6th, the outer tube assembly of work corrugated tube, the 7, first work corrugated tube, 8, inlet tube, 9, end ring, 10, balance corrugated tube, 11, transition
Section, 12, the outer tube assembly of balance corrugated tube, the 13, the 3rd ring flat-plate, the 14, second secondary flap, 15, outer tube assembly, the 16, second main hinge
Carrier bar, the 17, second work corrugated tube, the 18, second bearing pin, 19, outlet, the 20, the 4th ring flat-plate, 21, hold-down support, 22, pipeline,
23rd, work corrugated tube, and 24, equipment.
Specific embodiment
In conjunction with the drawings and specific embodiments, this utility model is illustrated, but, this utility model is not limited to this
A little embodiments.
A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement, is provided with external pressure straight tube pressure expansion section structure
Part, is provided with angular displacement absorbent assembly in outer straightening pipe pressure expansion joint member exterior, and described angular displacement absorbent assembly includes
One ring flat-plate, the second ring flat-plate, the 3rd ring flat-plate, the 4th ring flat-plate, the first secondary flap, the first main hinge plate, the second secondary flap and the
Two main hinge plates, the first ring flat-plate is welded and located on inlet tube, and the second ring flat-plate is welded and located in the outer tube assembly of work corrugated tube,
3rd ring flat-plate is welded and located in the outer tube assembly of balance corrugated tube, and Fourth Ring plate is welded and located on outlet, the second main hinge
One end of plate is connected with Fourth Ring plate weld, and its other end is hinged with the second secondary flap, and the other end of the second secondary flap is worn
Cross the 3rd ring flat-plate, be welded on the second ring flat-plate after the second ring flat-plate, between the second secondary flap and the 3rd ring flat-plate can relative movement,
Horizontal slide opening is opened in one end that second secondary flap is connected with the second ring flat-plate, and horizontal slide opening is inserted in one end of the first main hinge plate, its
The other end is hinged with the first secondary flap, and the other end of the first secondary flap is welded to connect with the first ring flat-plate.
Articulated form between first main hinge plate and the first secondary flap, is two pieces of phase flat shapes using the first secondary flap
Flap be welded on the first ring flat-plate, one end of two blocks of flaps is inserted in one end of the first main hinge plate, and bearing pin passes through hinge
Plate, the first main hinge plate, flap, both are hinged.
Articulated form between second main hinge plate and the second secondary flap, is two pieces of phase flat shapes using the second secondary flap
The structure of flap, has certain space between two blocks of flaps, and flap passes through the 3rd ring flat-plate, the second ring flat-plate, and secondary by second
Flap is weldingly fixed on the second ring flat-plate, inserts the second main hinge plate, bearing pin passes through between the other end of the second secondary flap
Flap, the second main hinge plate, flap, both are hinged, and the first main hinge plate inserts the space between the second secondary flap
（Laterally slide opening）, with the use of external pressure straight tube pressure expansion section component, the first main hinge plate moves in space, realizes adjustment
Balance.
As shown in Fig. 2 external pressure straight tube pressure expansion section component includes two work corrugated tubes and a balance corrugated tube, the
One work bellows-sheathed is located on inlet tube, and the second work bellows-sheathed is located on outlet, and work corrugated tube and inlet tube pipe
Surround not subjected to pressure chamber between wall, outlet tube wall, between work corrugated tube and the outer tube assembly of work corrugated tube, surround pressurized chamber A,
Balance bellows-sheathed is located in the outer tube assembly of work corrugated tube, surrounds non-between balance corrugated tube and the outer tube assembly of work corrugated tube
Pressurized chamber, surrounds pressurized chamber B between balance corrugated tube and the outer tube assembly of balance corrugated tube, is provided between inlet tube and outlet
Gap, gap is connected with pressurized chamber A, pressurized chamber B.A kind of external pressure straight tube pressure expansion section component this form more than, work ripple
Pipe can be formed in the form of multiple series connection, and balance corrugated tube may also be employed the form composition of multiple series connection, only need to ensure ripple
Manage the presence in pressurized chamber and not subjected to pressure chamber.
Two groups work corrugated tube be the first work corrugated tube and second work corrugated tube produce pressure thrust pass through work
The outer tube assembly 6 of corrugated tube, the outer tube assembly 12 of balance corrugated tube, outer tube assembly 15 are delivered to angular displacement absorbent assembly and balance ripple
The pressure thrust that pipe 10 produces mutually balances.
All in the outside of corrugated tube, all and atmosphere, and all there is one end the inner side of three groups of work corrugated tubes to working media
For floating structure.If left end is fixed, when expansion joint working condition is compression displacement, work corrugated tube outer tube assembly 6, balance wave
Outer tube assembly 12, the outer tube assembly 15 all lateral movements to the left of stricture of vagina pipe, the first work corrugated tube 7 and the second work corrugated tube 17 are compression
State, and balancing corrugated tube 10 is extended state.The effective area of balance wave is 2 times of operating wave limited areal, the pressure of work
Power of pushing is transferred to balance the outer tube assembly 12 of corrugated tube by the outer tube assembly 6 of outer work corrugated tube, outer tube assembly 15, by major-minor
Flap makes it mutually balance, and bearing pin makes expansion joint have the function of compensating angular displacement.
Claims (6)
1. a kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement, is provided with external pressure straight tube pressure expansion section structure
Part it is characterised in that：It is provided with angular displacement absorbent assembly in outer straightening pipe pressure expansion joint member exterior, described angular displacement absorbs
Assembly includes the first ring flat-plate（1）, the second ring flat-plate（4）, the 3rd ring flat-plate（13）, the 4th ring flat-plate（20）, the first secondary flap（2）,
One main hinge plate（5）, the second secondary flap（14）With the second main hinge plate（16）, the first ring flat-plate（1）Sheathed it is fixed on inlet tube
（8）On, the second ring flat-plate（4）Sheathed it is fixed on the outer tube assembly of work corrugated tube（6）On, the 3rd ring flat-plate is sheathed to be fixed on balance ripple
Manage outer tube assembly（12）On, Fourth Ring sleeve-board sets and is fixed on outlet（19）On, the second main hinge plate（16）One end and the 4th
Ring flat-plate（20）It is fixedly connected, its other end and the second secondary flap（14）Hinged, the second secondary flap（14）The other end successively
Through the 3rd ring flat-plate（13）, the second ring flat-plate（4）After be fixed on the second ring flat-plate（4）On, in the second secondary flap（14）With the second ring
Plate（4）Horizontal slide opening, the first main hinge plate are opened in the one end connecting（5）One end insert horizontal slide opening, its other end with first pair
Flap（2）Hinged, the first secondary flap（2）The other end be fixedly connected with the first ring flat-plate.
2. a kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement as claimed in claim 1, its feature exists
In：The first described ring flat-plate（1）, the second ring flat-plate（4）, the 3rd ring flat-plate（13）With the 4th ring flat-plate（20）For adpting flange.
3. a kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement as claimed in claim 1, its feature exists
In：The second described main hinge plate（16）It is made up of two blocks of flaps being parallel to each other, be horizontal slide opening between two blocks of flaps.
4. a kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement as claimed in claim 1, its feature exists
In：Described external pressure straight tube pressure expansion section component includes two work corrugated tubes and a balance corrugated tube（10）, the first work
Make corrugated tube（7）It is set in inlet tube（8）On, the second work corrugated tube（17）It is set in outlet（19）On, work corrugated tube
With inlet tube（8）Tube wall, outlet（19）Not subjected to pressure chamber, work corrugated tube outer tube assembly with work corrugated tube is surrounded between tube wall
（6）Between surround pressurized chamber A, balance corrugated tube（10）It is set in the outer tube assembly of work corrugated tube（6）On, balance corrugated tube（10）
The outer tube assembly with work corrugated tube（6）Between surround not subjected to pressure chamber, balance corrugated tube（10）The outer tube assembly with balance corrugated tube
（12）Between surround pressurized chamber B, in inlet tube（8）And outlet（19）Between be provided with gap, gap and pressurized chamber A, pressurized chamber B
Connection.
5. a kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement as claimed in claim 1, its feature exists
In：The first described main hinge plate（5）With the first secondary flap（2）By the first bearing pin（3）Hinged.
6. a kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement as claimed in claim 1, its feature exists
In：The second described main hinge plate（16）With the second secondary flap（14）By the second bearing pin（18）Hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843325.0U CN205991278U (en) | 2016-08-05 | 2016-08-05 | A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843325.0U CN205991278U (en) | 2016-08-05 | 2016-08-05 | A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement |
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| Publication Number | Publication Date |
|---|---|
| CN205991278U true CN205991278U (en) | 2017-03-01 |
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ID=58107282
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620843325.0U Active CN205991278U (en) | 2016-08-05 | 2016-08-05 | A kind of external pressure straight-pipe pressure balanced expansion joint for absorbing compound displacement |
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| CN (1) | CN205991278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969228A (en) * | 2017-05-25 | 2017-07-21 | 江苏省埃迪机电设备实业有限公司 | A kind of nested external pressure FlexbleJoint |
-
2016
- 2016-08-05 CN CN201620843325.0U patent/CN205991278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969228A (en) * | 2017-05-25 | 2017-07-21 | 江苏省埃迪机电设备实业有限公司 | A kind of nested external pressure FlexbleJoint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |