CN108612950B - Wen Chengli resistant combined frame - Google Patents
Wen Chengli resistant combined frame Download PDFInfo
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- CN108612950B CN108612950B CN201810755773.9A CN201810755773A CN108612950B CN 108612950 B CN108612950 B CN 108612950B CN 201810755773 A CN201810755773 A CN 201810755773A CN 108612950 B CN108612950 B CN 108612950B
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- 230000000712 assembly Effects 0.000 claims abstract description 41
- 238000000429 assembly Methods 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008646 thermal stress Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000035882 stress Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to a Wen Chengli-resistant combined frame, which comprises pipelines, wherein two ends of the pipeline are respectively provided with end pipelines connected with the pipeline through corrugated pipes, and each end pipeline is respectively provided with a group of outer frames and inner frames; the outer frame is positioned outside the inner frame; the outer frame comprises a top plate and a bottom plate, and upright posts correspondingly connected with two ends of the top plate and the bottom plate; the top plate and the bottom plate are connected with the end pipeline through a first connecting cylinder; the upright post is provided with a supporting device connected with the end pipeline; the inner frames are connected with the adjacent outer frames through end pull plate assemblies; the inner frame is also connected with the pipeline through an intermediate pull plate assembly and a second connecting cylinder; the end pull plate assemblies are disposed at 90 degrees to the intermediate pull plate assemblies. The invention can bear the pressure thrust and additional load and simultaneously release the thermal stress caused by high temperature, thereby achieving the purpose of normal work without generating cracks under long-term high temperature.
Description
Technical Field
The invention relates to a petrochemical device, in particular to a force bearing device of a petrochemical pipeline, and specifically relates to a Wen Chengli-resistant combined frame.
Background
Along with the development of national economy, petrochemical industry devices are developed to be large-scale, the process and design conditions of process pipelines are harsh, the design temperature is high and reaches 650-875 ℃, and the caliber is continuously increased along with the large-scale of the devices. In order to ensure the normal operation of a process pipeline system, a compound expansion joint is required to be arranged between a pipeline and equipment, and under the working condition of high Wen Keke, a bearing device is required to be arranged on the compound expansion joint to absorb the pressure thrust and the axial additional load of a corrugated pipe and ensure the stability and the safety of the system, and when the pipeline arrangement is compact, a spring is also required to be arranged on the expansion joint to bear the weight of the expansion joint and the related pipeline, and the bearing device is required to be capable of meeting the functional requirement of the compound expansion joint on absorbing displacement while bearing the pressure thrust and the axial additional load. Because the pipe diameter is big, medium temperature is high, conventional welded type load-carrying structure can lead to very big thermal stress, and too big stress extremely easily leads to the welding seam to crack, and load-carrying structure inefficacy causes very big threat to the safe operation of system.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a Wen Chengli combined frame, which enables the compound expansion of a high-temperature and large-caliber process pipeline to bear larger pressure thrust and additional load and can meet the requirement of the compound expansion joint on absorption displacement.
The technical scheme of the invention is as follows:
the Wen Chengli-resistant combined frame comprises pipelines, wherein two ends of the pipelines are respectively provided with end pipelines connected with the pipelines through corrugated pipes, and each end pipeline is respectively provided with a group of outer frames and inner frames; the structures of the two groups of outer frames and the two groups of inner frames are respectively the same; the outer frame is positioned outside the inner frame; the outer frame comprises a top plate and a bottom plate, and upright posts correspondingly connected with two ends of the top plate and the bottom plate; the top plate and the bottom plate are connected with the end pipeline through a first connecting cylinder; the upright post is provided with a supporting device connected with the end pipeline to prevent the end pipeline from shifting; the inner frames are connected with the adjacent outer frames through end pull plate assemblies; the inner frame is also connected with the pipeline through an intermediate pull plate assembly and a second connecting cylinder; the end pull plate assemblies are disposed at 90 degrees to the intermediate pull plate assemblies.
Further, the inner frame is formed by mutually splicing two transverse side plates and two vertical side plates, and four corners are reinforced by round steel or steel plates; the end pulling plate assembly is connected with the vertical side plate and the upright post; the middle pulling plate component is connected with the transverse side plates of the two groups of inner frames.
Further, the inner frame is rolled into a round shape by a plate, and the end pull plate assembly and the middle pull plate assembly are respectively connected with the side walls of the end pull plate assembly and the middle pull plate assembly.
Further, the supporting devices are four groups which are symmetrically arranged, and each group comprises a vertical plate; one end of the vertical plate is connected with one upright post, and the other end of the vertical plate is provided with an arc-shaped supporting plate; the bottom surface of the arc-shaped supporting plate is arc-shaped, is matched with the surface of the end pipeline, is parallel to the surface of the end pipeline and is provided with a gap so as to meet the requirement of thermal expansion; the outer wall of the end pipeline is provided with a plurality of groups of arc-shaped shear plate assemblies, each group of arc-shaped shear plate assemblies comprises at least two arc-shaped shear plates, and the arc-shaped shear plates are oppositely arranged along the axial direction of the end pipeline, so that the arc-shaped support plates can be just arranged between the two arc-shaped shear plates; the shape of the arc shear plate is matched with the surface of the end pipeline and is fixed on the end pipeline in a fitting way; at least two groups of arc shear plate assemblies which are parallel to each other and arranged at intervals are arranged around each arc support plate, wherein the outer edges of the two groups of arc shear plate assemblies which are positioned at the two ends of the arc support plates are flush with the end parts of the arc support plates, so that the end part pipeline can be effectively limited to move along the axial direction, and the outer frame is limited to deflect along the direction vertical to the axis of the pipeline.
Further, the end pull plate assemblies are four groups, are symmetrically arranged at two ends of the pipeline in pairs along the section of the axis of the pipeline, and are parallel to the axis of the pipeline; each group of end pull plate assemblies comprises a short pull plate, one end of the short pull plate is inserted into a mounting Kong arranged on the upright post, and the other end of the short pull plate is provided with a first clamping plate assembly which can be clamped on a vertical side plate of the inner frame and hinged with the vertical side plate; the middle pulling plate assemblies are symmetrically arranged on the upper side and the lower side of the pipeline, and the plane formed by the centers of the middle pulling plate assemblies and the pipeline axis are in the same plane; each group of middle pulling plate components comprises a long pulling plate, the long pulling plate is in a strip shape, and two ends of the long pulling plate are respectively provided with a second clamping plate component which can be respectively clamped on the transverse side plates of the two groups of inner frames and hinged with the transverse side plates; the middle of the long pulling plate is connected with the pipeline through a second connecting cylinder, and the central line of the long pulling plate is coplanar with the axis of the pipeline.
Further, the first and second cleat assemblies each include an upper cleat and a lower cleat; the upper clamping plate and the lower clamping plate are identical in shape and size, are arranged in parallel, and can clamp the vertical side plate or the horizontal side plate of the corresponding inner frame; one ends of the upper clamping plate and the lower clamping plate are connected with the end parts of the short pulling plate or the long pulling plate, and the other ends of the upper clamping plate and the lower clamping plate are provided with sealing plates for connecting the upper clamping plate and the lower clamping plate, so that the deformation of the opening due to stress is avoided; corresponding pin holes are arranged on the upper clamping plate, the lower clamping plate and the corresponding vertical side plates of the inner frame or the corresponding horizontal side plates of the inner frame, so that the hinge is conveniently carried out through a pin shaft; pin shaft clamps are respectively arranged above the pin holes of the upper clamping plate and the lower clamping plate; the pin shaft clamp is of a folded plate structure and fixedly connected to the upper clamping plate and the lower clamping plate, and the longitudinal end face of the pin shaft clamp is trapezoid, so that the pin shaft can freely rotate and simultaneously limit the up-down displacement of the pin shaft.
Further, the first connecting cylinder and the second connecting cylinder are two groups and are symmetrically distributed on the upper side and the lower side of the end pipeline or the pipeline; the first connecting cylinder or the second connecting cylinder comprises a cylinder body without a top and a bottom, the lower end of the cylinder body is fixedly connected with the end pipeline or the pipeline, the upper end of the cylinder body is provided with a cover plate, and the inside of the cylinder body is provided with a heat insulation component; the cover plate is connected to a top plate or a bottom plate or a long pulling plate of the outer frame through a pin shaft; the outer end of the pin shaft is provided with a pressing ring which is connected with the top plate or the bottom plate or the long pulling plate.
Further, the lower part of the cylinder body is respectively provided with a plurality of elongated grooves which are distributed along the axial direction of the cylinder body, the elongated grooves are internally and externally communicated and are uniformly distributed, and the height of the elongated grooves is 1/3-1/2 of the height of the first connecting cylinder or the second connecting cylinder.
Furthermore, a gap is arranged between the cover plate and the top plate or the bottom plate or the long pulling plate, so that the requirement of thermal expansion can be met.
Further, the upright post is made of steel pipes, and a spring seat is arranged on the upright post; the bottom plate is extended to one side, and the middle of the extension section is provided with a hole, so that the lifting is convenient.
The invention has the beneficial effects that:
according to the invention, the end pull plate assemblies connected with the frames at the two ends of the pipeline and the middle pull plate assembly positioned in the middle are connected with the middle frame at 90 degrees, so that the functional requirement of the compound expansion joint on absorbing space transverse displacement can be met, the thermal stress caused by high temperature can be effectively released while the pressure thrust and additional load are borne, the purpose that the combined frame can normally work at high temperature for a long time without generating cracks is achieved, the reliability and safety of the process pipeline are improved, and the requirement of full-load long-period safe operation of the high-temperature and large-caliber process pipeline can be completely met.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the second connecting cylinder.
Fig. 3 is a front view and a top view of the pin clamp.
Wherein: 1-a pipeline; 2-end pipe; 3-an outer frame; 301-top plate; 302-an upright; 303-a bottom plate; 4-inner frame; 401-transverse side plates; 402-vertical side plates; 501-vertical plates; 502-arc-shaped support plates; 6-arc shear plates; 701-short pulling plate; 702-a first cleat assembly; 801-long pulling plate; 802-a second cleat assembly; 9-a first connecting cylinder; 10-a second connecting cylinder; 1001-a cylinder; 1002-cover plate; 11-an elongated slot; 12-spring seat; 13-pin shaft clamps; 14-sealing plates; 15-a bellows; 16-pin shafts; 17-a compression ring; 18-a thermal insulation assembly.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 3.
A Wen Chengli resistant composite frame, comprising a pipeline 1, two ends of which are respectively provided with end pipelines 2 connected with the pipeline through a corrugated pipe 15, wherein each end pipeline 2 is respectively provided with a group of outer frames 3 and inner frames 4; the structures of the two groups of outer frames and the two groups of inner frames are respectively the same; the outer frame 3 is located outside the inner frame 4; the outer frame 3 comprises a top plate 301 and a bottom plate 303, and upright posts 302 correspondingly connected with two ends of the top plate 301 and the bottom plate 303; the top plate 301 and the bottom plate 303 are respectively connected with the end pipeline 2 through a first connecting cylinder 9, play a role in positioning the outer frame 3, and resist the torque of the pipeline 1 on the fixed outer frame 3; the upright post 302 is provided with a supporting device connected with the end pipeline 2 to prevent the end pipeline 2 from shifting; the inner frames 4 are connected with the adjacent outer frames 3 through end pulling plate assemblies; the inner frame 4 is also connected to the pipe 1 by means of an intermediate pulling plate assembly and a second connecting cylinder 10; the end pull plate assemblies are disposed at 90 degrees to the intermediate pull plate assemblies. Thus, the rotation of the outer frame 3 in the pipe axis direction can be restricted and the torque applied to the end pipe 2 by the system can be received.
The inner frame 4 is formed by mutually splicing two transverse side plates 401 and two vertical side plates 402 into a rectangular shape, and four corners are reinforced by round steel or steel plates; the end pull plate assembly connects the vertical side plate 402 and the upright 302; the intermediate tie plate assembly connects the transverse side plates 401 of the two sets of inner frames. Alternatively, the inner frame 4 may be rolled into a circular shape from a single plate, and the end plate assemblies and the intermediate plate assemblies are respectively connected to side walls thereof.
The supporting devices are four groups symmetrically arranged, and each group comprises a vertical plate 501; one end of the vertical plate 501 is connected to one of the vertical columns 302, and the other end is provided with an arc-shaped supporting plate 502. The bottom surface of the arc-shaped supporting plate 502 is arc-shaped, and is adapted to the surface of the end pipe and can be parallel to the surface of the end pipe 2. When installed, the arc-shaped support plate 502 and the surface of the end pipe can be provided with a certain clearance so as to counteract the radial expansion of the end pipe 2 when the end pipe is expanded by heating; the surface of the end pipeline 2 is provided with a plurality of groups of arc-shaped shear plate assemblies, each group of arc-shaped shear plate assemblies comprises at least two arc-shaped shear plates 6, and the arc-shaped shear plates are oppositely arranged along the axial direction of the end pipeline 2, so that the arc-shaped support plates 502 can be exactly arranged between the two arc-shaped shear plates 6. The shape of the arc-shaped shear plate 6 is matched with the surface of the end pipeline 2, and is fixed on the end pipeline 2 in a fitting way. At least two groups of arc shear plate assemblies which are parallel to each other and arranged at intervals are arranged around each arc support plate 502, wherein the outer edges of the two groups of arc shear plate assemblies which are positioned at two ends of the arc support plates are flush with the end parts of the arc support plates 502, so that the end part pipeline 2 can be effectively limited to move along the axial direction, and the outer frame is limited to deflect along the direction vertical to the axis of the pipeline.
The end pulling plate assemblies are four groups, are symmetrically arranged at two ends of the pipeline 1 along the axial section of the pipeline 1 in pairs, and are parallel to the axial line of the pipeline 1; each group of end pulling plate assemblies comprises a short pulling plate 701, wherein the short pulling plate 701 is in a strip shape, one end of the short pulling plate 701 is inserted into a mounting Kong arranged on the upright post 302, and the other end of the short pulling plate is provided with a first clamping plate assembly 702 which can be clamped on the vertical side plate 402 of the inner frame and hinged with the vertical side plate 402. The middle pulling plate assemblies are symmetrically arranged on the upper side and the lower side of the pipeline 1, and the plane formed by the centers of the middle pulling plate assemblies and the axis of the pipeline 1 are in the same plane; each group of middle pulling plate components comprises a long pulling plate 801, the long pulling plate 801 is in a long strip shape, two ends of the long pulling plate 801 are respectively provided with a second clamping plate component 802, and the long pulling plate 801 can be respectively clamped on the transverse side plates 401 of the two groups of inner frames 4 and hinged with the transverse side plates 401. The middle of the long pulling plate 801 is connected with the pipeline 1 through a second connecting cylinder 10, and the center line of the long pulling plate is coplanar with the axis of the pipeline 1.
The first cleat assembly 702 and the second cleat assembly 802 each include an upper cleat and a lower cleat; the upper and lower clamping plates have the same shape and size, are arranged in parallel, and can clamp the corresponding vertical side plates 402 of the inner frame or the corresponding horizontal side plates 401 of the inner frame; one ends of the upper and lower clamping plates are respectively clamped at the end parts of the short pulling plate or the long pulling plate up and down and welded with the end parts of the short pulling plate or the long pulling plate, and the other ends of the upper and lower clamping plates are provided with sealing plates 14 for connecting the upper and lower clamping plates, so that the end parts can be prevented from being deformed due to tension. Corresponding pin holes are arranged on the upper clamping plate, the lower clamping plate and the corresponding vertical side plates of the inner frame or the corresponding horizontal side plates of the inner frame, so that the hinge is conveniently carried out through a pin shaft; pin shaft clamps 13 are respectively arranged above the pin holes of the upper clamping plate and the lower clamping plate. The pin shaft clamp 13 is of a folded plate structure and fixedly connected to the upper clamping plate and the lower clamping plate, the longitudinal end face of the pin shaft clamp is trapezoid, the up-down displacement of the pin shaft can be limited, the rotation of the pin shaft is not limited, and the deformation resistance of the expansion joint and the stress of the inner frame and the outer frame can be reduced.
The first connecting cylinders 9 are two groups and symmetrically distributed on the upper side and the lower side of the end pipeline 2. The second connecting cylinders 10 are also two groups and symmetrically distributed on the upper side and the lower side of the pipeline 1. The second connecting cylinder 10 comprises a cylinder 1001 without top and bottom, the lower end of the cylinder is welded with the pipeline 1, the upper end of the cylinder is provided with a cover plate 1002, and the inside of the cylinder is provided with a heat insulation component 18, so that the heat conduction outwards in the pipeline 1 can be reduced. The cover plate 1001 is connected to the long pulling plate 801 by a pin 16. The outer end of the pin 16 is provided with a pressing ring 17, and the pressing ring 17 is connected with the long pulling plate 801 to prevent the pin 16 from being separated. Preferably, the thermal insulation component may be a ceramic fiber blanket. During installation, a certain gap can be reserved between the cover plate 1002 and the long pulling plate 801, so that the expansion amount of the cylinder body when heated is absorbed, and the deformation caused by jacking the top plate or the bottom plate or the long pulling plate II is avoided, so that the bearing combined frame bears additional force and influences the normal deformation of the expansion joint. The lower part of the cylinder 1001 is respectively provided with a plurality of elongated grooves 11 distributed along the axial direction, the elongated grooves 11 are internally and externally communicated and uniformly distributed, the height of the elongated grooves is 1/3-1/2 of the height of the cylinder 1001, and the elongated grooves can effectively release thermal stress when the pipeline 1 or the end pipeline 2 radially expands, reduce the expansion stress of the cylinder 1001 and the stress of a connecting weld joint and prevent the connecting weld joint from generating fatigue cracks. The first connecting cylinder 9 has the same structure as the second connecting cylinder 10, the lower end of the cylinder body is welded on the end pipeline, and the upper end of the cylinder body is connected with the top plate 301 or the bottom plate 303 of the outer frame 3. The height and diameter of the first and second connection cylinders may be different, and are determined according to the design size of the inner frame 4, the outer diameter of the pipe 1, etc.
The upright post 302 is made of steel pipes, and is provided with spring seats 12, so that springs can be connected during installation, the number of spring brackets of the system can be reduced, and the cost of the system can be reduced. The bottom plate 303 extends to one side, and is provided with a hole in the middle of the extension section, so that lifting lugs can be replaced, lifting and transportation are facilitated, and a plurality of lifting lugs which are specially arranged in the prior art are replaced.
The invention has the following advantages:
1. through the symmetrical arrangement of the two groups of inner frames and the outer frames, the connection of the end pull plate assembly and the middle pull plate assembly, the connection of the corresponding connecting cylinder and the pipeline and the end pipeline, and the arrangement of the supporting device, a complete Wen Chengli combined frame capable of meeting the requirement of transverse dislocation deformation of the space of the compound expansion joint vertical to the axial direction is formed. The combined frame can bear pressure thrust and additional load and simultaneously effectively release thermal stress caused by high temperature, so that the combined frame can work normally at high temperature for a long time without generating cracks.
2. According to the invention, through the joint action of the connection of the first connecting cylinder and the outer frame and the plurality of groups of arc-shaped shear plate assemblies which are flush with the outer edge end parts of the arc-shaped support plates, the axial movement of the end pipeline can be effectively limited, and the deflection and rotation of the outer frame along the direction vertical to the axis of the pipeline can be limited. The whole combined frame has excellent torsion resistance besides the function of bearing axial force.
3. Through the design of the heat insulation structure and the expansion absorption structure, the inner frame, the outer frame, the end pull plate assembly and the middle pull plate assembly of the whole combined frame can be ensured to work at a lower working temperature and are not influenced by high-temperature media, so that the length of the whole expansion joint can be well maintained in the running process, and the equipment connected with the end parts is prevented from bearing excessive thermal stress and even being damaged due to the fact that the total length of the expansion joint is changed due to the thermal expansion of an external constraint part.
The invention is not related in part to the same as or can be practiced with the prior art.
Claims (8)
1. The Wen Chengli-resistant combined frame comprises pipelines, wherein two ends of the pipeline are respectively provided with end pipelines connected with the pipeline through corrugated pipes, and the Wen Chengli-resistant combined frame is characterized in that a group of outer frames and inner frames are respectively arranged at each end pipeline; the structures of the two groups of outer frames and the two groups of inner frames are respectively the same; the outer frame is positioned outside the inner frame; the outer frame comprises a top plate and a bottom plate, and upright posts correspondingly connected with two ends of the top plate and the bottom plate; the top plate and the bottom plate are connected with the end pipeline through a first connecting cylinder; the upright post is provided with a supporting device connected with the end pipeline to prevent the end pipeline from shifting; the inner frames are connected with the adjacent outer frames through end pull plate assemblies; the inner frame is also connected with the pipeline through an intermediate pull plate assembly and a second connecting cylinder; the end pull plate assembly and the middle pull plate assembly are arranged at 90 degrees;
the supporting devices are four groups which are symmetrically arranged, and each group comprises a vertical plate; one end of the vertical plate is connected with one upright post, and the other end of the vertical plate is provided with an arc-shaped supporting plate; the bottom surface of the arc-shaped supporting plate is arc-shaped, is matched with the surface of the end pipeline, is parallel to the surface of the end pipeline and is provided with a gap so as to meet the requirement of thermal expansion; the surface of the end pipeline is provided with a plurality of groups of arc-shaped shear plate assemblies, each group of arc-shaped shear plate assemblies comprises at least two arc-shaped shear plates, and the arc-shaped shear plates are oppositely arranged along the axial direction of the end pipeline, so that the arc-shaped support plates can be just arranged between the two arc-shaped shear plates; the shape of the arc shear plate is matched with the surface of the end pipeline and is fixed on the end pipeline in a fitting way; at least two groups of arc shear plate assemblies which are parallel to each other and are arranged at intervals are arranged around each arc support plate, wherein the outer edges of the two groups of arc shear plate assemblies positioned at the two ends of the arc support plates are flush with the end parts of the arc support plates, so that the axial movement of an end pipeline can be effectively limited, and the deflection of the outer frame along the direction vertical to the axis of the pipeline can be limited;
the end pull plate assemblies are four groups, are symmetrically arranged at two ends of the pipeline in pairs along the section of the axis of the pipeline, and are parallel to the axis of the pipeline; each group of end pull plate assemblies comprises a short pull plate, one end of the short pull plate is inserted into a mounting Kong arranged on the upright post, and the other end of the short pull plate is provided with a first clamping plate assembly which can be clamped on a vertical side plate of the inner frame and hinged with the vertical side plate; the middle pulling plate assemblies are symmetrically arranged on the upper side and the lower side of the pipeline, and the plane formed by the centers of the middle pulling plate assemblies and the pipeline axis are in the same plane; each group of middle pulling plate components comprises a long pulling plate, the long pulling plate is in a strip shape, and two ends of the long pulling plate are respectively provided with a second clamping plate component which can be respectively clamped on the transverse side plates of the two groups of inner frames and hinged with the transverse side plates; the middle of the long pulling plate is connected with the pipeline through a second connecting cylinder, and the central line of the long pulling plate is coplanar with the axis of the pipeline.
2. The Wen Chengli resistant composite frame according to claim 1, wherein said inner frame is rectangular in shape with two transverse side plates and two vertical side plates joined to each other, four corners being reinforced with round steel or steel plates; the end pulling plate assembly is connected with the vertical side plate and the upright post; the middle pulling plate component is connected with the transverse side plates of the two groups of inner frames.
3. A Wen Chengli resistant composite frame according to claim 1, wherein said inner frame is rolled into a circular shape from a single sheet, said end and intermediate pull plate assemblies being connected to respective side walls thereof.
4. The Wen Chengli resistant composite frame of claim 1, wherein said first and second cleat assemblies each comprise an upper cleat and a lower cleat; the upper clamping plate and the lower clamping plate are identical in shape and size and are arranged in parallel, so that the corresponding vertical side plates and the corresponding horizontal side plates of the inner frame can be clamped; one ends of an upper clamping plate and a lower clamping plate of the first clamping plate assembly are connected to the end parts of the short pulling plates, sealing plates for connecting the upper clamping plate and the lower clamping plate are arranged at the other ends of the upper clamping plate and the lower clamping plate of the second clamping plate assembly, one ends of the upper clamping plate and the lower clamping plate of the second clamping plate assembly are connected to the end parts of the long pulling plates, and sealing plates for connecting the upper clamping plate and the lower clamping plate are arranged at the other ends of the upper clamping plate and the lower clamping plate, so that the opening deformation caused by stress is avoided; corresponding pin holes are arranged on the upper clamping plate, the lower clamping plate, the corresponding vertical side plates of the inner frame and the corresponding transverse side plates of the inner frame, so that the hinge is conveniently carried out through a pin shaft; pin shaft clamps are respectively arranged above the pin holes of the upper clamping plate and the lower clamping plate; the pin shaft clamp is of a folded plate structure and fixedly connected to the upper clamping plate and the lower clamping plate, and the longitudinal end face of the pin shaft clamp is trapezoid, so that the pin shaft can freely rotate and simultaneously limit the up-down displacement of the pin shaft.
5. The Wen Chengli resistant composite frame according to claim 1, wherein said first connecting cylinders are in two groups symmetrically disposed on the upper and lower sides of said end pipe; the second connecting cylinders are two groups and symmetrically distributed on the upper side and the lower side of the pipeline; the first connecting cylinder and the second connecting cylinder comprise a cylinder without a top and a bottom, the lower ends of the cylinder are fixedly connected with the end pipeline and the pipeline respectively, the upper ends of the cylinder are provided with cover plates, and the inside of the cylinder is provided with a heat insulation component; the cover plate of the first connecting cylinder is connected to the top plate and the bottom plate of the outer frame through pin shafts; the outer end of the pin shaft is provided with a compression ring; the compression ring is connected with the top plate and the bottom plate; the cover plate of the second connecting cylinder is connected to the long pulling plate through a pin shaft; the outer end of the pin shaft is provided with a compression ring; the compression ring is connected with the long pulling plate.
6. The Wen Chengli resistant composite frame of claim 5, wherein the lower portion of the cylinder is provided with a plurality of elongated grooves extending along the axial direction thereof, the elongated grooves being internally and externally through and being uniformly distributed, and the height of the elongated grooves being 1/3 to 1/2 of the height of the first connecting cylinder or the second connecting cylinder.
7. The Wen Chengli resistant composite frame of claim 5 wherein a gap is provided between said cover plate and said top or bottom plate or long pulling plate to accommodate thermal expansion.
8. The Wen Chengli resistant composite frame of claim 1, wherein said posts are made of steel tubing with spring seats thereon; the bottom plate is extended to one side, and the middle of the extension section is provided with a hole, so that the lifting is convenient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755773.9A CN108612950B (en) | 2018-07-11 | 2018-07-11 | Wen Chengli resistant combined frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755773.9A CN108612950B (en) | 2018-07-11 | 2018-07-11 | Wen Chengli resistant combined frame |
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| Publication Number | Publication Date |
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| CN108612950A CN108612950A (en) | 2018-10-02 |
| CN108612950B true CN108612950B (en) | 2024-02-13 |
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| CN201810755773.9A Active CN108612950B (en) | 2018-07-11 | 2018-07-11 | Wen Chengli resistant combined frame |
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| CN103148309A (en) * | 2013-03-27 | 2013-06-12 | 江苏星光波纹管有限公司 | Universal angle hinge type expansion joint |
| CN204345157U (en) * | 2014-11-28 | 2015-05-20 | 青岛松灵电力环保设备有限公司 | A kind of high-temperature expansion joint |
| CN208535426U (en) * | 2018-07-11 | 2019-02-22 | 南京晨光东螺波纹管有限公司 | A kind of heatproof load group frame |
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2018
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| JPH10252945A (en) * | 1997-03-14 | 1998-09-22 | Burest Kogyo Kenkyusho Co Ltd | Piping device, and its cover connection device |
| CN2364318Y (en) * | 1998-01-13 | 2000-02-16 | 南京晨光东螺波纹管有限公司 | By-pass axial pressure balance type bellows compensator |
| CN202215890U (en) * | 2011-09-01 | 2012-05-09 | 安徽海螺建材设计研究院 | Expansion joint structure of connection pipeline for connecting kiln tail smoke chamber with decomposition furnace |
| CN103148309A (en) * | 2013-03-27 | 2013-06-12 | 江苏星光波纹管有限公司 | Universal angle hinge type expansion joint |
| CN204345157U (en) * | 2014-11-28 | 2015-05-20 | 青岛松灵电力环保设备有限公司 | A kind of high-temperature expansion joint |
| CN208535426U (en) * | 2018-07-11 | 2019-02-22 | 南京晨光东螺波纹管有限公司 | A kind of heatproof load group frame |
Also Published As
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|---|---|
| CN108612950A (en) | 2018-10-02 |
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