CN203442400U - High temperature expansion joint for absorbing axial and angular displacement simultaneously - Google Patents
High temperature expansion joint for absorbing axial and angular displacement simultaneously Download PDFInfo
- Publication number
- CN203442400U CN203442400U CN201320490389.3U CN201320490389U CN203442400U CN 203442400 U CN203442400 U CN 203442400U CN 201320490389 U CN201320490389 U CN 201320490389U CN 203442400 U CN203442400 U CN 203442400U
- Authority
- CN
- China
- Prior art keywords
- circular hole
- adapter
- expansion joint
- cylinder
- hinge plate
- 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
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a high temperature expansion joint for absorbing axial and angular displacement simultaneously. The high temperature expansion joint is characterized by comprising a left connection pipe, a right connection pipe and a corrugated pipe, wherein the left connection pipe and the right connection pipe are arranged at the left end and the right end of the corrugated pipe respectively. Cylinders are arranged on the outer lateral walls of the left connection pipe and the right connection pipe. Temperature insulation assemblies are arranged in the cylinders. The inner sides of the temperature insulation assemblies are supported by supporting parts. Certain distances are reversed between the supporting parts and the left connection pipe and the right connection pipe. One end of the cylinder on the left side is connected with the left connection pipe, and the other end of the cylinder on the left side is connected with a round hole hinge plate, one end of the cylinder on the right side is connected with the right connection pipe, and the other end of the cylinder on the right side is connected with a long groove hinge plate. Pin shafts are arranged in a round hole in the round hole hinge plate and a long groove hole in the long groove hinge plate. Under the normal operating state, the expansion joint has no abnormal deformation, is stable in medium flow, and can absorb large axial displacement and angular displacement simultaneously at the high temperature. Meanwhile, the excessive deformation of the expansion joint caused by failure or insufficient strength of a system fixing support is prevented.
Description
Technical field
The utility model relates to a kind of chemical plant installations process pipe.
Background technique
The technique of chemical plant installations process pipe and design condition are comparatively harsh, design temperature is higher, flow velocity is higher, also will absorb angular displacement when needing expansion joint to absorb larger axial displacement on process pipe, and prior art not yet has and meets the above expansion joint requiring simultaneously.
Summary of the invention
The purpose of this utility model is exactly for above-mentioned the deficiencies in the prior art, provide a kind of under normal operating state expansion joint without abnormal deformation, media flow steadily, can at high temperature absorb larger axial displacement and angular displacement simultaneously, and can anti-locking system fixed support lose efficacy or insufficient strength causes the expansion joint of expansion joint excessive deformation.
The technical solution adopted in the utility model is as follows:
A kind of while absorption axes to angular displacement high-temperature expansion joint, it is characterized in that it comprises left adapter, right adapter and bellows, described left adapter, right adapter are arranged on respectively the left and right end of described bellows, cylinder is all installed on the outer side wall of described left adapter and right adapter, in cylinder, be provided with thermal insulation assembly, the inner side of thermal insulation assembly is supported by support, and the left adapter of described support distances and right adapter one segment distance; Cylinder one end in left side is connected with left adapter, the other end connects circular hole hinge plate, cylinder one end in right side is connected with right adapter, and the other end connects elongated slot hinge plate, in the circular hole on described circular hole hinge plate and the slotted hole on elongated slot hinge plate, bearing pin is installed.
The utility model also provides another technological scheme, as follows:
A kind of while absorption axes to angular displacement high-temperature expansion joint, it is characterized in that it comprises left adapter, right adapter and bellows, described left adapter, right adapter are arranged on respectively the left and right end of described bellows, cylinder is all installed on the outer side wall of described left adapter and right adapter, in cylinder, be provided with thermal insulation assembly, the inner side of thermal insulation assembly is supported by support, and the left adapter of described support distances and right adapter one segment distance; Cylinder one end in left side is connected with left adapter, the other end connects elongated slot hinge plate, cylinder one end in right side is connected with right adapter, the other end connects without circular hole hinge plate, and upper circular hole hinge attachment strap and lower circular hole hinge attachment strap are connected to form assembly parts with the top and bottom of hinge plate without circular hole respectively; Elongated slot hinge plate and being arranged on respectively between upper circular hole hinge attachment strap and lower circular hole hinge attachment strap without the both sides up and down of the hinge plate of circular hole, the connection bearing pin of described upper circular hole hinge attachment strap and lower circular hole hinge attachment strap passes from the slotted hole of elongated slot hinge plate, and described bearing pin is simultaneously through the circular hole on upper circular hole hinge attachment strap and lower circular hole hinge attachment strap.
Thermal insulation assembly in above-mentioned two schemes forms after being preferably and Stainless Steel Cloth parcel folding by ceramic fiber blanket.
Support in above-mentioned two schemes is preferably stainless steel strip barrier.
On left adapter in above-mentioned two schemes and the outer wall of right adapter, be equipped with support otic placode, between two support otic placodes, by pull bar, be connected, the two ends mounting nuts of pull bar.
Fixed plate can be installed in the end of described bearing pin.
The beneficial effects of the utility model have:
1, for anti-locking system fixed support lost efficacy or insufficient strength causes expansion joint excessive deformation, expansion joint need arrange limit stoper; Because pipe temperature is higher, for reducing the link of limit stoper and the temperature stress of pipeline junction, link adopts cylindrical structure and the inner heat isolating structure that adopts the thermal insulation material of predetermined thickness and pass through to calculate.At stainless steel strip barrier and between taking over, on the cylinder position without ceramic fiber blanket, open pore.This structure can effectively reduce the take root localized stress at position of bearing member, and linkage structure is simple, the ability of structure-bearing is strong and good rigidity; On cylinder position, open pore and can make cylinder interior air and outside circulation, avoid the pressure that the cylinder interior air of sealing causes because medium temperature raises to raise; Cylinder interior heat isolating structure can also reduce the temperature of external hinge plate effectively, improves the bearing capacity of external hinge plate.
2, the hinge plate that Characteristics for Single Staggered or dual crossing are arranged connects by bearing pin, one of them hinge plate has slotted hole, by the rotation between hinge plate and bearing pin and slip, drive the displacement to axial of bellows to reach expansion joint while absorption axes to the object with angular displacement with relative angular deflection, the gap of staying between the hinge plate that Characteristics for Single Staggered or dual crossing are arranged can make expansion joint absorb the angular displacement in another direction simultaneously; Slotted hole on hinge plate is by the design axial displacement design that meets expansion joint, and when axial displacement surpasses design displacement, slotted hole plays the effect of limit excessive displacement, avoids expansion joint excessive deformation, effectively protects expansion joint;
3, pull bar with bidirectionally limited nut being set as stabilizer with the be separated by position of 90 ° of expansion joint hinge component, can improve the stability of expansion joint, avoid expansion joint to carry or larger distortion occurs in the effect of deadweight because of outer.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the plan structure schematic diagram of elongated slot hinge plate in the utility model Fig. 1.
Fig. 3 is the structural representation of the utility model first scheme.
Fig. 4 is external overall structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, it be the utility model band Characteristics for Single Staggered arrange hinge plate structure time schematic diagram, specifically comprise left adapter 1, right adapter 9 and bellows 11, left adapter 1, right adapter 9 are arranged on respectively the left and right end of described bellows 11, left adapter 1 is connected with the left end of bellows 11, right adapter 9 is connected with the right-hand member of bellows 11, forms the basic structure of corrugated expansion joint; Cylinder 2 is connected with right adapter 9 with left adapter 1 respectively in the left and right sides of bellows 11.The inner upper of cylinder 2 is equipped with thermal insulation assembly 8, and thermal insulation assembly 8 can be by forming after the folding also Stainless Steel Cloth of ceramic fiber blanket parcel.The bottom of thermal insulation assembly 8 is supported with supporting 10, and supporting 10 distance adapters has certain distance, and this distance is passed through calculative determination according to the difference of design temperature.Support 10 and preferably adopt stainless steel strip barrier.Cylinder 2 one end in left side are connected with left adapter 1, the other end connects circular hole hinge plate 3, cylinder 2 one end in right side are connected with right adapter 9, and the other end connects elongated slot hinge plate 6, in the circular hole on described circular hole hinge plate 3 and the slotted hole 7 on elongated slot hinge plate 6, bearing pin 4 is installed.Bearing pin 4 is connected and bottom and the position remaining unchanged being connected of circular hole hinge plate 3 by top and fixed plate 5.Elongated slot hinge plate 6 has slotted hole 7(as shown in Figure 2), by circular hole hinge plate 3, drive bearing pin 4 to carry out axial displacement and angular motion along slotted hole 7, reach bulk expansion joint and realize absorption axes to the object with angular displacement.As shown in Figure 4, on the outer wall of the left adapter 1 of the utility model and right adapter 9, be equipped with between support otic placode 14, two support otic placodes 14 and be connected by pull bar 15, the two ends mounting nuts 16 of pull bar 15.Support between otic placode 14 and cylinder 2 by being separated by the location arrangements of 90 °, pull bar 15 support otic placode 14 through left and right two ends parallel with expansion joint axis, nut 16 is distributed in the both sides of supporting otic placode 14 and is connected with pull bar 15, limit pull bar along the displacement of axis in scope of design.
Shown in Fig. 3 is the another kind of scheme of the utility model, it has the hinge plate structure that dual crossing is arranged, concrete structure is for including left adapter 1, right adapter 9 and bellows 11, left adapter 1, right adapter 9 are arranged on respectively the left and right end of described bellows 11, on the outer side wall of left adapter 1 and right adapter 9, cylinder 2 is all installed, in cylinder 2, be provided with thermal insulation assembly 8, the inner side of thermal insulation assembly 8 is supported by supporting 10, and the described support 10 left adapter 1 of distance and right adapter 9 one segment distances.Cylinder 2 one end in left side are connected with left adapter 1, the other end connects elongated slot hinge plate 6, cylinder 2 one end in right side are connected with right adapter 9, the other end connects without circular hole hinge plate 3, and upper circular hole hinge attachment strap 12 and lower circular hole hinge attachment strap 13 are connected to form assembly parts with the top and bottom of hinge plate 3 without circular hole respectively; Elongated slot hinge plate 6 and being arranged on respectively between upper circular hole hinge attachment strap 12 and lower circular hole hinge attachment strap 13 without the both sides up and down of the hinge plate 3 of circular hole, the connection bearing pin 4 of described upper circular hole hinge attachment strap 12 and lower circular hole hinge attachment strap 13 passes from the slotted hole of elongated slot hinge plate 6, and described bearing pin 4 is simultaneously through the circular hole on upper circular hole hinge attachment strap 12 and lower circular hole hinge attachment strap 13.Now the two ends of bearing pin 4 are all provided with fixed plate 5.The fixed plate 5 on top is connected with upper circular hole hinge attachment strap 12, and the fixed plate 5 of bottom is connected with lower circular hole hinge attachment strap 13, and bearing pin 4 is clipped between the fixed plate 5 of top and the bottom.
The utility model first scheme except hinged plate part-structure different, when other main body is identical with the first scheme, as thermal insulation assembly 8, support 10, the support otic placode 14 of outside, pull bar 15 etc.
Other undeclared part that the utility model relates to is same as the prior art.
Claims (10)
- One kind simultaneously absorption axes to angular displacement high-temperature expansion joint, it is characterized in that it comprises left adapter (1), right adapter (9) and bellows (11), described left adapter (1), right adapter (9) are arranged on respectively the left and right end of described bellows (11), cylinder (2) is all installed on the outer side wall of described left adapter (1) and right adapter (9), in cylinder (2), be provided with thermal insulation assembly (8), the inner side of thermal insulation assembly (8) is supported by supporting (10), and described support (10) distance left adapter (1) and right adapter (9) one segment distances; Cylinder in left side (2) one end is connected with left adapter (1), the other end connects circular hole hinge plate (3), cylinder in right side (2) one end is connected with right adapter (9), the other end connects elongated slot hinge plate (6), in the slotted hole (7) on the circular hole on described circular hole hinge plate (3) and elongated slot hinge plate (6), bearing pin (4) is installed.
- While absorption axes according to claim 1 to angular displacement high-temperature expansion joint, it is characterized in that described thermal insulation assembly (8) is comprised of after folding and Stainless Steel Cloth parcel ceramic fiber blanket.
- While absorption axes according to claim 1 to angular displacement high-temperature expansion joint, it is characterized in that described support (10) is for stainless steel strip barrier.
- While absorption axes according to claim 1 to angular displacement high-temperature expansion joint, it is characterized in that being equipped with and supporting otic placode (14) on the outer wall of described left adapter (1) and right adapter (9), between two support otic placodes (14), by pull bar (15), be connected, the two ends mounting nuts (16) of pull bar (15).
- While absorption axes according to claim 1 to angular displacement high-temperature expansion joint, it is characterized in that described bearing pin (4) one end is connected with the outside of fixed plate (5), the other end is connected with the outside of circular hole hinge plate (3).
- One kind simultaneously absorption axes to angular displacement high-temperature expansion joint, it is characterized in that it comprises left adapter (1), right adapter (9) and bellows (11), described left adapter (1), right adapter (9) are arranged on respectively the left and right end of described bellows (11), cylinder (2) is all installed on the outer side wall of described left adapter (1) and right adapter (9), in cylinder (2), be provided with thermal insulation assembly (8), the inner side of thermal insulation assembly (8) is supported by supporting (10), and described support (10) distance left adapter (1) and right adapter (9) one segment distances; Cylinder in left side (2) one end is connected with left adapter (1), and the other end connects elongated slot hinge plate (6), and the cylinder in right side (2) one end is connected with right adapter (9), and the other end connects the hinge plate (3) without circular hole; Upper circular hole hinge attachment strap (12) and lower circular hole hinge attachment strap (13) are connected to form assembly parts with the top and bottom of hinge plate (3) without circular hole respectively; Elongated slot hinge plate (6) and being arranged on respectively between upper circular hole hinge attachment strap (12) and lower circular hole hinge attachment strap (13) without the both sides up and down of the hinge plate (3) of circular hole, the connection bearing pin (4) of described upper circular hole hinge attachment strap (12) and lower circular hole hinge attachment strap (13) passes from the slotted hole of elongated slot hinge plate (6), and described bearing pin (4) is simultaneously through the circular hole on upper circular hole hinge attachment strap (12) and lower circular hole hinge attachment strap (13).
- While absorption axes according to claim 6 to angular displacement high-temperature expansion joint, it is characterized in that described thermal insulation assembly (8) is comprised of after folding and Stainless Steel Cloth parcel ceramic fiber blanket.
- While absorption axes according to claim 6 to angular displacement high-temperature expansion joint, it is characterized in that described support (10) is for stainless steel strip barrier.
- While absorption axes according to claim 6 to angular displacement high-temperature expansion joint, it is characterized in that being equipped with and supporting otic placode (14) on the outer wall of described left adapter (1) and right adapter (9), between two support otic placodes (14), by pull bar (15), be connected, the two ends mounting nuts (16) of pull bar (15).
- While absorption axes according to claim 6 to angular displacement high-temperature expansion joint, the two ends that it is characterized in that described bearing pin (4) are provided with fixed plate (5), the fixed plate on top (5) is connected with upper circular hole hinge attachment strap (12), the fixed plate of bottom (5) is connected with lower circular hole hinge attachment strap (13), and bearing pin (4) is clipped between the fixed plate (5) of top and the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490389.3U CN203442400U (en) | 2013-08-13 | 2013-08-13 | High temperature expansion joint for absorbing axial and angular displacement simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490389.3U CN203442400U (en) | 2013-08-13 | 2013-08-13 | High temperature expansion joint for absorbing axial and angular displacement simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442400U true CN203442400U (en) | 2014-02-19 |
Family
ID=50093456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490389.3U Expired - Fee Related CN203442400U (en) | 2013-08-13 | 2013-08-13 | High temperature expansion joint for absorbing axial and angular displacement simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411083A (en) * | 2013-08-13 | 2013-11-27 | 南京晨光东螺波纹管有限公司 | High temperature expansion joint for absorbing axial and angular displacement simultaneously |
| CN109140105A (en) * | 2018-10-11 | 2019-01-04 | 南京晨光东螺波纹管有限公司 | A kind of improved universal type expansion joint |
-
2013
- 2013-08-13 CN CN201320490389.3U patent/CN203442400U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411083A (en) * | 2013-08-13 | 2013-11-27 | 南京晨光东螺波纹管有限公司 | High temperature expansion joint for absorbing axial and angular displacement simultaneously |
| CN103411083B (en) * | 2013-08-13 | 2015-09-02 | 南京晨光东螺波纹管有限公司 | Simultaneously stability axis and angular displacement high-temperature expansion joint |
| CN109140105A (en) * | 2018-10-11 | 2019-01-04 | 南京晨光东螺波纹管有限公司 | A kind of improved universal type expansion joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201568641U (en) | Apparatus for limiting horizontal pipe displacement | |
| CN103411083B (en) | Simultaneously stability axis and angular displacement high-temperature expansion joint | |
| CN202647047U (en) | Complex type hinge transverse type expansion joint | |
| CN203442400U (en) | High temperature expansion joint for absorbing axial and angular displacement simultaneously | |
| CN103398261B (en) | A kind of can the internal pressure type straight pipe pressure balance type of compensate for lateral displacement | |
| CN202660138U (en) | Pressure-balance corrugated expansion joint for straight pipe | |
| CN104373736A (en) | Axial-translation ripple compensator | |
| CN203068042U (en) | Simplex articulated type corrugated compensator | |
| CN204692883U (en) | A kind of corrugated expansion joint | |
| CN204739343U (en) | Adjustable hinge rubber expansion joint of double entry | |
| CN203348795U (en) | Draw-bar transverse type air cooling pipeline | |
| CN214064199U (en) | Compound connecting rod type expansion joint | |
| CN202392346U (en) | Bellows compensator | |
| CN204300596U (en) | Air cooling pipeline BHU expansion joint | |
| CN206206881U (en) | A kind of Novel hinge type bellows expansion joint | |
| CN205037019U (en) | Straight pipe pressure balance type compensator | |
| CN217482291U (en) | Composite hinge type expansion joint combination device | |
| CN201944476U (en) | Bypassing balanced compensator for communicating pipes refraining from erosion and vibration | |
| CN217108645U (en) | Combined sealing type corrugated pipe compensator | |
| CN103712025A (en) | Ultralow-temperature corrugated pipe compensator | |
| CN201934844U (en) | Pressure balance universal hinge type corrugated compensator for straight pipe | |
| CN201561233U (en) | Externally braced high-pressure anti-accumulation pressure balanced universal expansion joint | |
| CN101487551A (en) | Novel high-temperature metal expansion joint | |
| CN213871656U (en) | Pipeline compensator with flow measuring device | |
| CN201925661U (en) | Straight-pipe balance type expansion joint with compact structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140219 Termination date: 20160813 |