CN114542803A - Pipe rack overhead pipeline heat insulation slidable support - Google Patents
Pipe rack overhead pipeline heat insulation slidable support Download PDFInfo
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- CN114542803A CN114542803A CN202111621736.7A CN202111621736A CN114542803A CN 114542803 A CN114542803 A CN 114542803A CN 202111621736 A CN202111621736 A CN 202111621736A CN 114542803 A CN114542803 A CN 114542803A
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a pipe gallery overhead pipeline heat insulation sliding support which comprises a first support and a second support, wherein the first support is used for being welded to an overhead pipeline, the second support is fixed to a foundation, and the first support is connected to the second support in a sliding mode so as to be capable of moving relative to the second support along the axial direction of the overhead pipeline. The heat-insulating slidable support for the pipe gallery overhead pipeline, provided by the invention, has the advantages that the first support welded on the overhead pipeline and the second support fixed on the foundation can axially and relatively move, so that when the overhead pipeline deforms due to thermal expansion and cold contraction, the first support relatively moves relative to the second support to correspond to the deformation, and the probability of deformation, cracks and even breakage of the supports is reduced and even eliminated.
Description
Technical Field
The invention relates to the pipeline technology, in particular to a heat-insulating slidable support for a pipe gallery overhead pipeline.
Background
In recent years, because planning, design, construction are all more convenient, and later maintenance is comparatively simple with the maintenance, and the installation of underground piping is the piping lane ization gradually, to cables such as electric power, communication, its installation in the piping lane is comparatively convenient, directly arrange can, but to jumbo size insulating tube way such as heat transfer, chemical industry, the piping erection in the piping lane is still efficient lower. Generally speaking, before the installation, these have the heat preservation and insulate against heat outer overhead line hang into the utility tunnel in through reserving the hoist and mount mouth, carry to target installation position by the dolly afterwards, during the installation, install electric block on the reservation interface at utility tunnel top and hang overhead line and place the target location, carry out welded fastening afterwards. Such an arrangement is provided in the patent application publication CN 108119702A.
Because the underground pipe gallery is designed in a standardized way, the sizes of the overhead pipes are different and larger, the overhead pipes with the heat-insulating outer layers are not directly arranged on the reserved cross bar supports, but a supporting support is independently arranged, the overhead pipes are welded on the supporting support, the supporting support is supported on the reserved cross bar supports, in addition, in order to connect the temperature, partial heat-insulating layers of the overhead pipes are required to be cut off on site to expose the outer walls of the overhead pipes, the supporting support is directly welded on the outer walls of the overhead pipes, the heat-insulating layers are reset, for example, the invention patent with the publication number of CN110657316B in the prior application, the publication date of 2020, 03.07 and 03.07 is named as an overhead polyurethane heat-insulating pipe, the invention patent comprises an inner support and an outer support, the inner support is connected with working steel pipes of the polyurethane heat-insulating pipes, and the outer support is connected with supporting plates of the outer support through outer support columns, the inner support and the outer support are connected through the inner support and the outer support through the fixing bolts to form an insulating layer.
The patent is a generation product, and its weak point lies in the application, and the overhead line that has the heat preservation can experience great difference in temperature in the use, and the connection of above-mentioned structure is mostly for the welding, and few parts are the spiro union for the product lacks deformability, and the expend with heat and contract with cold that the difference in temperature brought makes phenomenons such as crackle, fracture and even slope appear on the support.
Disclosure of Invention
The invention aims to provide a heat-insulating slidable support for a duct corridor overhead pipeline, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a pipe corridor overhead conduit heat insulation slidable support comprises a first support and a second support, wherein the first support is used for being welded to the overhead conduit, the second support is fixed to a foundation, and the first support is slidably connected to the second support so as to be capable of moving relative to the second support along the axial direction of the overhead conduit.
Foretell pipe gallery overhead line heat-insulating slidable support, first support is welded including the laminating interior arc on the overhead line outer wall and with the well arc that the heat preservation radial dimension of overhead line is the same, interior arc with be provided with insulation material between the well arc.
The heat-insulating slidable support for the pipe gallery overhead pipeline further comprises an outer arc plate attached to the outer side of the middle arc plate, the outer arc plate is detachably connected with the middle arc plate, and the outer arc plate is used for moving along the axial direction of the overhead pipeline between the second supports.
Foretell pipe gallery overhead line heat-insulating slidable support, be provided with spacing track on the second support, first support sliding connection in order to realize in the spacing track with relative movement on the second support.
Foretell pipe gallery overhead line heat-insulating slidable support, the second support includes the bottom plate, the relative both sides of bottom plate respectively rotate and are connected with a rotating turret, the rotating turret has horizontal position and inclined position on the rotation stroke inclined position, two the rotating turret expandes in order to support the overhead line who is located installation welding position horizontal position realizes first support sliding connection in on the second support.
Foretell pipe gallery overhead line heat-insulating slidable support horizontal position, two the rotating turret superposes mutually, first support sliding connection is in the upper strata on the rotating turret.
The heat-insulating sliding support for the pipe rack overhead pipeline is characterized in that the edge part of the rotating frame is abutted to the foundation in the inclined position.
Foretell pipe rack overhead line heat-insulating slidable support, the pivot of rotating turret perpendicular to overhead line's axis direction.
In the heat-insulating slidable support for the pipe rack overhead pipeline, the rotating frame is supported at the inclined position on the heat-insulating pipeline and connected with the axial outer side of the position of the first support.
Foretell pipe gallery overhead line heat-insulating slidable support still includes the auxiliary frame the inclined position, two are connected respectively at the both ends of auxiliary frame the rotating turret.
In the technical scheme, the heat-insulating slidable support for the pipe gallery overhead pipeline provided by the invention has the advantages that the first support welded on the overhead pipeline and the second support fixed on the foundation can axially and relatively move, so that when the overhead pipeline deforms due to thermal expansion and cold contraction, the first support relatively moves relative to the second support to correspond to the deformation, and the probability of deformation, cracks and even fracture of the supports is reduced and even eliminated.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a diagram illustrating a second stand according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a state of use of the heat-insulating slidable support for the gallery overhead conduit according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second bracket according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second bracket according to another embodiment of the present invention;
FIG. 5 is a schematic structural view of a turret according to another embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a turret according to yet another embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a turret according to yet another embodiment of the present invention;
fig. 8 is a schematic partial structural view of a radial expansion link according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of the tilted position of the turret according to another embodiment of the invention;
FIG. 10 is a schematic view of a horizontal position of a turret according to another embodiment of the invention;
fig. 11 is a schematic structural diagram of a sliding leg according to an embodiment of the present invention.
Description of reference numerals:
1. an overhead pipe; 2. a foundation; 3. a first bracket; 3.1, an inner arc plate; 3.2, a middle arc-shaped plate; 3.3, an outer arc plate; 4. a second bracket; 4.1, a convex part; 4.2, a bottom plate; 4.3, rotating the frame; 4.4, limiting the track; 5. an auxiliary frame; 5.1, an axial rod; 5.2, radial telescopic rods; 5.21, a first rod; 5.22, a second rod; 5.23, blind holes; 5.24, limiting bulges; 5.25, an expansion part; 6. a strip-shaped hole groove; 6.1, abutting the port; 7. a sliding leg; 7.1, splitting rods; 7.2, rolling elements.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
In the embodiments of the present invention, unless otherwise specified, the upper, lower, axial, radial, and the like are based on the fact that the heat-insulating slidable support of the pipe rack overhead pipe supports the overhead pipe, in this case, the overhead pipe is on the upper side, the first support and the second support are on the lower side, the axial direction refers to the axial direction of the overhead pipe, the radial direction refers to the radial direction of the overhead pipe, and the like.
As shown in fig. 1 to 11, an embodiment of the invention provides an insulated slidable support for a pipe gallery overhead line 1, which includes a first support 3 for welding to the overhead line 1 and a second support 4 fixed to a foundation 2, wherein the first support 3 is slidably connected to the second support 4 so as to be movable relative to the second support 4 along an axial direction of the overhead line 1.
Specifically, the pipeline of overhead line 1 for having insulating layer, heat preservation or thermal-insulated heat preservation, like the heating power pipeline, the thermal-insulated slidable support of pipe corridor overhead line 1 that this embodiment provided is used for supporting overhead line 1 to basic 2 in the piping lane on, and this basis 2 is the pipeline or the cable support structure of reserving in the piping lane, can be the whippletree, and the majority is the cement pier, also has the direct mount to subaerial. Pipe rack overhead pipeline 1 slidable support that insulates against heat includes first support 3 and second support 4, wherein, first support 3 directly welds on overhead pipeline 1, second support 4 is connected to on basis 2, if through rag screw spiro union to cement pier or subaerial or other reserve on the piece, the gliding connection of first support 3 is on second support 4, if first support 3 directly overlap joint on second support 4, the slip direction is overhead pipeline 1's axial, so on the one hand through first support 3, second support 4 has realized the support to overhead pipeline 1, on the other hand when overhead pipeline 1 has axial displacement, like expend with heat and contract with cold etc. first support 3 can take place to slide for second support 4 relatively.
In this embodiment, the specific structures of the first support 3 and the second support 4 can refer to various support structures in the prior art, such as a three-dimensional frame structure composed of a cross rod, a vertical rod and a longitudinal rod, and it is only necessary to ensure that the first support 3 and the second support 4 can slide relatively in the axial direction.
The pipe gallery overhead line 1 heat-insulating slidable support provided by the embodiment of the invention has the advantages that the first support 3 welded on the overhead line 1 and the second support 4 fixed on the foundation 2 can axially and relatively move, so that when the overhead line 1 deforms due to thermal expansion and cold contraction, the first support 3 relatively moves with respect to the second support 4 to correspond to the deformation, and the probability of deformation, cracks and even fracture of the supports is reduced and even eliminated.
In another embodiment provided by the present invention, further, the first bracket 3 includes an inner arc-shaped plate 3.1 which is welded to the outer wall of the overhead pipeline 1 in an attaching manner, and a middle arc-shaped plate 3.2 which has the same radial dimension as the heat-insulating layer of the overhead pipeline 1, the outer shape of the inner arc-shaped plate 3.1 is the same as the radial dimension of the outer wall of the overhead pipeline 1, so as to better wrap the overhead pipeline 1, the outer shape of the middle arc-shaped plate 3.2 is the same as the outer shape of the heat-insulating layer, so that the outer dimensions are substantially the same after installation, and a heat-insulating material is disposed between the inner arc-shaped plate 3.1 and the middle arc-shaped plate 3.2, so as to continuously insulate the overhead pipeline 1.
Still further, still including the laminating in the outer arc plate 3.3 in the well arc 3.2 outside, outer arc plate 3.3 with can dismantle the connection between well arc 3.2, like spiro union or joint, outer arc plate 3.3 be used for with along between second support 4 the axial direction of overhead pipeline 1 removes, so when weld assembly, can now weld the outer wall of overhead pipeline 1 with the structure that interior arc 3.1 and well arc 3.2 are constituteed on, and outer arc plate 3.3 is connected again afterwards, and interference during welding operation still less, and welding operation is more convenient.
In another embodiment provided by the present invention, further, the second support 4 is provided with a limiting track, the first support 3 is slidably connected to the limiting track to achieve a relative movement with the second support 4, for example, two rows of vertical rods are welded on the second support 4, and a limiting track is formed between the two rows of vertical rods, that is, an axial sliding stroke of the first support 3, in an optional manner, an edge of the first support 3 may be attached to the limiting track, for example, directly slide on the vertical rods, at this time, the first support 3 cannot move radially (radial deformation is small, and is not substantially affected), preferably, a gap is provided between the edge of the first support 3 and the limiting track, and the gap enables the first support 3 to have a certain radial movement range.
In still another embodiment of the present invention, the second frame 4 includes a bottom plate 4.2, two opposite sides of the bottom plate 4.2 are respectively and rotatably connected with a rotating frame 4.3, the rotating frames 4.3 are rotatably connected to the bottom plate 4.2 through rotating shafts, the rotating frame 4.3 is a flat structure, i.e. the length and width of the flat structure are much larger than the thickness of the flat structure, for example, a frame structure formed by welding only horizontal rods and vertical rods, one rotating frame 4.3 can be rotatably connected to two axial sides of the bottom plate 4.2, at this time, the rotating shaft of the rotating frame 4.3 is perpendicular to the axial direction of the overhead pipe 1, or two rotating frames 4.3 are rotatably arranged at two radial sides of the bottom plate 4.2, at this time, the rotating shaft of the rotating frame 4.3 is parallel to the axial direction of the overhead pipe 1, the rotating frame 4.3 has a horizontal position and an inclined position in the rotating stroke, at the inclined position, the rotating frame 4.3 is arranged obliquely, and two rotating frames 4.3 are unfolded upwards, the two rotating frames 4.3 are arranged in an inverted splayed shape to support the overhead pipeline 1 at the installation welding position, and the two opposite sides of the overhead pipeline 1 are respectively pressed on the two rotating frames 4.3 in a one-to-one correspondence manner, so that the arrangement has the advantages that in the prior art, the overhead pipeline 1 is placed into a pipe gallery in a section and then welded, in the prior art, an independent positioning trolley is configured by relying on an electric hoist in the lifting, installation and welding operations, the electric hoist is lifted and the positioning trolley is positioned, the embodiment is equivalent to integrating the supporting function on the second support 4, the second support 4 has two positions, the inclined position is used for supporting the pipeline during installation and/or welding, a positioning trolley is omitted, in the horizontal position, the first support 3 is connected to the second support 4 in a sliding manner, and at the moment, the supporting position is the supporting position, the two rotating frames 4.3 are overlapped, and the first support 3 is connected to the rotating frame 4.3 on the upper layer in a sliding mode.
In an alternative embodiment, the protruding portions and the groove portions of the two rotating frames 4.3 may be alternatively arranged, and the two rotating frames 4.3 are alternatively arranged in a horizontal position to form a supporting surface, that is, the two rotating frames 4.3 are located at the same height, for example, both the two rotating frames 4.3 are in a tooth-shaped structure, so that the two rotating frames 4.3 can be directly and alternatively arranged in a horizontal position to form a supporting surface without forming an upper-layer structure and a lower-layer structure.
When the first support 3 comprises the middle arc-shaped plate 3.2 and the outer arc-shaped plate 3.3, the appearance of the overhead pipeline 1 is still a complete circle during welding, and the rotating frame 4.3 in the inclined position can better support the overhead pipeline 1, so that the problem that the rotating frame 4.3 supports the edge of the first support 3 is solved.
Furthermore, in the tilted position, the edge portion of the turret 4.3 abuts against the foundation 2, by means of a profile arrangement, such as a projection 4.1 provided at the edge portion of the turret 4.3, when the rotating frame 4.3 rotates to the inclined position, the convex part 4.1 is abutted to the foundation 2, or the raised portion 4.1, is abutted to the foundation 2, the position of the rotating frame 4.3 is an inclined position, in this embodiment, preferably, the protrusions 4.1 are limit rails, i.e. in a horizontal position, a sliding space of the first bracket 3 is formed between the two sets of protrusions 4.1, in the inclined position, the lug boss 4.1 is abutted to the foundation 2 to support the rotating frames 4.3, because the two rotating frames 4.3 in the inclined position are inverted splayed, it has a greater adaptability to the radial dimensions of the overhead line 1, so that within a larger tilting range, a support of the overhead line 1 within a certain radial range is achieved.
In another embodiment provided by the present invention, preferably, the rotating frame 4.3 is supported on the axially outer side of the position of the overhead pipe 1 connected to the first support 3, that is, the rotating frame 4.3 is unfolded in the axial direction, the rotating shaft is perpendicular to the axial direction, and in the inclined position, the top of the rotating frame 4.3 is in an inward concave arc shape, so as to adapt to the shape of the overhead pipe 1, and the supporting effect is better.
In another embodiment provided by the invention, the device further comprises an auxiliary frame 5, two ends of the auxiliary frame 5 are respectively connected with the two rotating frames 4.3 in an inclined position, the two rotating frames 4.3 bear extremely large pressure and are open ends, so that the rotating frames 4.3 are easy to deform, the two auxiliary frames 5 are mutually supported by connecting the two rotating frames 4.3 through the auxiliary frame 5, on one hand, the supporting capacity of the rotating frames 4.3 on the overhead pipeline 1 is improved, on the other hand, the pressure applied to the rotating frames 4.3 by the overhead pipeline 1 is reduced, and the direction of the pulling force applied to the overhead pipeline 1 by the auxiliary frame 5 is opposite, so that the probability of deformation of the auxiliary frame 5 is reduced.
In the embodiment, a concrete structure of two auxiliary frames 5 is provided, one of which is a steel wire rope, two ends of the steel wire rope are respectively connected with two rotating frames 4.3, and the end part of the steel wire rope is connected with the rotating frame 4.3 through a rolling mechanism, one end part of the steel wire rope can be provided with the rolling mechanism, or two ends of the steel wire rope can be respectively provided with the rolling mechanism, the automatic rolling and releasing of the rope structure or the strip structure can be realized through a coil spring in the rolling mechanism, which is prior art, such as a safety belt, and detailed description thereof is omitted, in this embodiment, the length of the wire rope is set to be between one quarter and one half of the circumferential length of the overhead pipe 1, and the effect of such setting is that, when the overhead pipe 1 is supported, its complete pressure relies on wire rope pocket to live overhead pipe 1 on wire rope, realizes the support to overhead pipe 1, also wire rope has support frame overhead pipe 1 and connects the dual function of rotating turret 4.3.
Its two of the concrete structure of auxiliary frame 5 are flexible member, flexible member includes axial rod 5.1 and radial telescopic link 5.2, axial rod 5.1 of each rigid coupling in both ends of radial telescopic link 5.2, all have the opening on two rotating turret 4.3, all be provided with bar hole groove 6 on the relative both sides wall of open-ended, bar hole groove 6 indicates bar hole or bar groove, axial rod 5.1's both ends are rotated and sliding connection in two bar hole grooves 6, radial telescopic link 5.2 is located the opening, in the inclined position, the overhead pipeline 1 pushes down compression radial telescopic link 5.2, radial telescopic link 5.2 drives two axial rods 5.1 and moves down along bar hole groove 6, overhead pipeline 1 on until two rotating turret 4.3 butts, rely on the gravity of overhead pipeline 1 to realize two rotating turrets 4.3 and the butt of a telescopic link to overhead pipeline 1 simultaneously. The most important point of this embodiment is that, in the inclined position, the two turrets 4.3 support the overhead pipe 1 with their first side faces (the opposite side faces in the inclined position) and the strip-shaped telescopic rods with their top faces (the inclined position is the reference, and the face is located above at this time), and since the weight of the overhead pipe 1 is large, the turrets 4.3, and in particular the strip-shaped telescopic rods, may deform, and when the deformation occurs, the turrets 4.3 and the strip-shaped telescopic rods are both pressed to be concave, but when the turrets 4.3 rotate from the inclined position to the horizontal position, the turrets 4.3 turn over due to the rotation, and the radial telescopic rods 5.2 also turn over in the process of folding in, that is, the originally concave part becomes convex by turning over, and in the horizontal position, the turrets 4.3 and the concave part of the strip-shaped telescopic rods in the inclined position become convex parts of the horizontal part, while the upper convex part is used for carrying the first bracket 3 as well as the overhead conduit 1, at which time the automatic resetting of the deformed part can be realized by means of the weight of the overhead conduit 1. More preferably, the floor is provided with a deformation part of the abutting column, and the upper convex part is abutted by the abutting column after being reset, so that the concave deformation of the horizontal position is avoided in the using process.
During the rotation from the inclined position to the horizontal position, the radial telescopic rod 5.2 is turned inside the opening to avoid the interference caused by the rotation of the rotating frame 4.3.
In another embodiment of the present invention, further, the axial rod 5.1 is slidably connected to the slot 6 through a sliding leg 7, wherein the sliding leg 7 includes a main rod and two branch rods 7.1 connected to one end of the main rod, the main rod is connected to the axial rod 5.1, the ends of the two branch rods 7.1 are provided with rolling members 7.2, such as rollers or rolling balls, and the two rolling members 7.2 of the two branch rods 7.1 simultaneously roll on one side wall of the slot 6, so that when the pressure of the overhead pipe 1 is not uniform (such as pressing on one end of the bar-shaped telescopic rod), so that the bar-shaped telescopic rod cannot move horizontally downward and tilt, the lower branch rod 7.1 of the two branch rods 7.1 at the lower end of the bar-shaped telescopic rod is lifted, the upper branch rod 7.1 of the two branch rods 7.1 at the upper end of the bar-shaped telescopic rod is lifted, and the end of the branch rod 7.1 is directly abutted to the wall of the slot 6, also, the sliding legs 7 are clamped in the strip-shaped hole grooves 6 and do not slide any more, so that the strip-shaped telescopic rods are directly clamped and stuck when inclined, and the safety degree is improved.
In this embodiment, furthermore, the end of the strip-shaped slot 6 close to the rotating shaft of the rotating frame 4.3 extends downwards to form the abutment 6.1, where the downward extension is for the rotating frame 4.3 in the horizontal position, where the strip-shaped slot 6 is entirely horizontal, but its end close to the rotating shaft of the rotating frame 4.3 extends downwards to form the abutment 6.1, and correspondingly, in the inclined position, the end of the strip-shaped slot 6 close to the rotating shaft of the rotating frame 4.3 extends inwards to form the abutment 6.1, where the inner side refers to the direction facing the other rotating frame 4.3, while the radially telescopic rod 5.2 comprises a first rod 5.21 and a second rod 5.22 which are sleeved together, the end of the first rod 5.21 is provided with a blind hole 5.23, the opening of the blind hole 5.23 is provided with a stop projection 5.24, and the second rod 5.22 is slidably connected in the blind hole 5.23 with an expanded portion 5.25 of its end, which results in that the radially telescopic rod 5.2 has the maximum length and the minimum length in the telescopic stroke, when the maximum length is that the portion of expanding 5.25 butt spacing arch 5.24, when minimum length is that portion of expanding 5.25 butt blind hole 5.23 diapire, radial telescopic link 5.2 and bar hole groove 6's positional relationship is configured as: in the horizontal position, the radial expansion link 5.2 is the minimum length, namely can't shorten, two axial poles 5.1 of its both ends are located in two abutting ports 6.1 of two bar hole grooves 6 respectively at this moment, because the radial expansion link 5.2 can't compress, and two axial poles 5.1 are limited by the abutting ports 6.1 extending downwards of two bar hole grooves 6, can't break away from under the action of gravity, especially when two rotating frames 4.3 are located on the same height, at this moment, two rotating frames 4.3 of the radial expansion link 5.2 abut and limit, have brought two effects, on one hand, the end of the rotating frame 4.3 is connected on the bottom plate 4.2 through the rotating shaft rotation, the fit clearance between the two makes the rotating frame 4.3 have certain radial movement amplitude of the rotating shaft, two rotating frames 4.3 abut and limit each other through the radial expansion link 5.2, have eliminated its movement amplitude, on the other hand, when the first support 3 and the overhead pipeline 1 exert radial force on one of the rotating frames 4.3, for example, due to earthquake, deformation and the like, the rotating frame 4.3 can transmit the force to the other rotating frame 4.3 through the radial telescopic rod 5.2, and the radial force is borne by two rotating shafts of the two rotating frames 4.3 together instead of a single rotating shaft, so that the stability is better. It should be noted that, at this time, the radial expansion link 5.2 is only incompressible and still can be elongated, so the limit at this time is unidirectional, that is, the limit is the direction of compressing the radial expansion link 5.2. When the rotating frame 4.3 needs to be rotated from the horizontal position to the inclined position, the axial rod 5.1 needs to be pulled out of the abutting opening 6.1 manually.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A pipe corridor overhead conduit heat insulation sliding support is characterized by comprising a first support and a second support, wherein the first support is used for being welded to an overhead conduit, the second support is fixed to a foundation, and the first support is connected to the second support in a sliding mode so as to be capable of moving relative to the second support along the axial direction of the overhead conduit.
2. The heat-insulating slidable support for the pipe rack overhead pipeline according to claim 1, wherein the first support comprises an inner arc-shaped plate which is welded to the outer wall of the overhead pipeline in an attaching manner, and a middle arc-shaped plate which has the same radial dimension as the heat-insulating layer of the overhead pipeline, and a heat-insulating material is arranged between the inner arc-shaped plate and the middle arc-shaped plate.
3. The thermally insulated slidable support for a pipe rack overhead pipe of claim 2, further comprising an outer arc plate attached to an outer side of said middle arc plate, said outer arc plate being removably attached to said middle arc plate, said outer arc plate being adapted to move with said second support in an axial direction of said overhead pipe.
4. The thermally insulated slidable support for a pipe rack overhead pipeline according to claim 1, wherein a stop track is provided on the second support, the first support being slidably connected in the stop track for relative movement with the second support.
5. The thermally insulated slidable support for a pipe rack overhead conduit according to claim 1, wherein said second support comprises a base plate, each of opposite sides of said base plate being pivotally connected to a rotating frame, said rotating frame having a horizontal position and an inclined position in a pivotal travel, wherein in said inclined position both of said rotating frames are deployed to support an overhead conduit in an installation welding position, wherein said first support is slidably connected to said second support.
6. The thermally insulated slidable rack for pipe rack overhead piping according to claim 5, wherein in said horizontal position, two of said turrets are stacked, said first rack being slidably connected to said turrets on an upper level.
7. A pipe rack overhead pipe heat insulating slidable support according to claim 6, characterized in that in the inclined position the edge part of the turret abuts against the foundation.
8. Pipe rack overhead pipe heat insulation slidable support according to claim 5 or 6, characterized in that the rotation axis of the rotating rack is perpendicular to the axial direction of the overhead pipe.
9. The thermally insulated slidable support for a pipe rack overhead pipe of claim 8, wherein in the tilted position the turret is supported axially outward of the location on the insulated pipe where the first support is attached.
10. The thermally insulated slidable support for a pipe rack overhead pipeline according to claim 5, further comprising an auxiliary frame, wherein two of said turrets are connected to each end of said auxiliary frame in said tilted position.
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| CN202111621736.7A CN114542803B (en) | 2021-12-28 | 2021-12-28 | Heat-insulating sliding support for overhead pipeline of pipe gallery |
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| CN202111621736.7A CN114542803B (en) | 2021-12-28 | 2021-12-28 | Heat-insulating sliding support for overhead pipeline of pipe gallery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258406A (en) * | 2022-06-30 | 2022-11-01 | 安徽省天然气开发股份有限公司 | Turnover frame for production of natural gas conveying pipeline |
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| CN114542803B (en) | 2023-09-01 |
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