CN212297952U

CN212297952U - Large-scale adjustable steel pipeline buttress

Info

Publication number: CN212297952U
Application number: CN202020388545.5U
Authority: CN
Inventors: 王松生; 万朝梅; 包凯
Original assignee: Sinopec Engineering Group Co Ltd; Sinopec Guangzhou Engineering Co Ltd
Current assignee: Sinopec Engineering Group Co Ltd; Sinopec Guangzhou Engineering Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-05
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a large-scale adjustable steel pipeline buttress to there is subside, behind the height deviation in solving current cast in situ concrete pipe pier, on-the-spot rectification work load is big, the degree of difficulty is high, the slow scheduling problem of progress. The height-adjusting support comprises a cross beam and a plurality of height-adjusting supports arranged below the cross beam, wherein each height-adjusting support comprises a support top plate, a support pipe with external threads, a steel sleeve with internal threads and a support bottom plate, the cross beam is fixedly connected with the upper surface of the support top plate, the upper end of the support pipe is fixedly connected with the lower surface of the support top plate, the lower end of the steel sleeve is fixedly connected with the upper surface of the support bottom plate, and the lower end of the support pipe is screwed into the steel sleeve and forms threaded connection with the steel sleeve.

Description

Large-scale adjustable steel pipeline buttress

Technical Field

The utility model relates to a pipeline buttress in petrochemical industry building engineering field, specifically speaking relates to a large-scale adjustable steel pipeline buttress.

Background

In the petrochemical industry, a large number of pipe piers for supporting pipelines are generally of an independent cast-in-place reinforced concrete pier type structure, a plain concrete cushion layer is firstly manufactured during construction, then steel bars are bound, embedded parts and templates are installed, then concrete pouring is carried out, the templates are removed after curing for a certain time, and a concrete floor is constructed after the templates are removed.

Many petrochemical engineering projects are located the place of enclosing sea hydraulic reclamation, backfill or having soft soil layer such as mucky soil, the foundation bearing capacity is low, the settlement volume is big, all need carry out the foundation and handle or adopt the pile foundation, because of the less small-size structures of pipe pier class load is in large quantity in the engineering, arrange irregularly, and reasons such as site operation process, it is inhomogeneous not adopting pile foundation or foundation to handle often to appear some pipe piers, lead to the pipe pier settlement in the use, the pipeline and the condition that the pipe pier is thrown off, cause the pipeline atress inequality, cause certain potential safety hazard. When the problems are rectified, the workload is large, and the construction difficulty is high.

The pipeline installation is generally carried out after the construction of the pipe pier and the concrete terrace, and the pipeline installation progress is often greatly influenced due to the fact that the quantity of pipelines is large, the arrangement is complex, and the pipeline supporting point and the pipe pier are staggered, the height of the pipe pier is higher or lower and the like due to the fact that large construction errors or pipeline position adjustment often occurs in the construction, so that the pipeline supporting and fixing are influenced, a part of the terrace or the pipe pier has to be chiseled on site for re-construction, and the pipeline installation progress is often greatly influenced due to the fact that the re-construction is large in workload and high in.

SUMMERY OF THE UTILITY MODEL

After subside, the height deviation appear in order to solve current cast in situ concrete pipe pier existence, on-the-spot rectification work load is big, the degree of difficulty is high, the progress technical problem such as slow, the utility model provides a large-scale adjustable steel pipeline buttress.

The technical scheme of the utility model is that:

the utility model provides a large-scale adjustable steel pipeline buttress, its characterized in that: the large-scale adjustable steel pipeline buttress comprises a cross beam and a plurality of heightening supports arranged below the cross beam, wherein each heightening support comprises a bearing top plate, a bearing pipe with external threads, a steel sleeve with internal threads and a bearing bottom plate, the cross beam is fixedly connected with the upper surface of the bearing top plate, the upper end of the bearing pipe is fixedly connected with the lower surface of the bearing top plate, the lower end of the steel sleeve is fixedly connected with the upper surface of the bearing bottom plate, the lower end of the bearing pipe is screwed into the steel sleeve to form threaded connection with the steel sleeve, and the purpose that the bearing pipe and the steel sleeve move relatively through threads is achieved.

The utility model discloses further technical characterized in that: and stiffening plates are symmetrically arranged around the steel sleeve of each heightening support, and are fixedly connected with the outer wall of the steel sleeve and the upper surface of the supporting base plate respectively so as to ensure the rigidity of the support.

The utility model discloses further technical characterized in that: the large-scale adjustable steel pipeline buttress still includes limiting plate and gag lever post, the limiting plate sets up the inside lower extreme at the supporting tube, the gag lever post is the gag lever post of upper end area amplification head lower extreme outband screw thread, the through-hole is opened at the limiting plate center, threaded hole is opened at the supporting baseplate center, the mounting hole is opened at the supporting roof center, the through-hole of limiting plate is passed to the gag lever post lower extreme, and twist the threaded hole at supporting baseplate center and form screw thread fixed connection, thereby guarantee necessary relative motion displacement and the minimum connection length that needs between the supporting tube of support and the steel casing pipe, the effective transmission of load of being convenient for. The end part of the amplifying head at the upper end of the limiting rod is preferably provided with a cross-shaped or hexagonal clamping groove, the amplifying head at the upper end of the limiting rod can be screwed by a common screwdriver and other tools through a central mounting hole of the supporting top plate, and the limiting rod is screwed into the supporting bottom plate for fixing. The limiting plate is preferably in a strip shape.

The utility model discloses further technical characterized in that: two groups of mounting holes are reserved at the connecting parts of the supporting top plates of the heightening supports corresponding to the lower flanges of the cross beam respectively, and circular-arc-shaped openings are reserved in the supporting top plates so as to ensure that the heightening supports are reliably connected with the cross beam after being adjusted respectively. After the supporting top plates at all positions are adjusted along with the rotation of the supporting pipes, proper mounting holes on the lower flange of the cross beam are selected and connected and fixed through bolts.

The utility model relates to a large-scale adjustable steel pipeline buttress, the whole body of which can adopt galvanization treatment, and the thread part adopts grease protection; the supporting bottom plate of the height-adjustable support and the steel sleeve connected with the supporting bottom plate can be covered and protected by plain concrete after being installed in place.

The utility model discloses among the mainly used petrochemical industry building engineering field, especially, be used for supporting the condition of more pipeline. When the pipeline is installed in place, the whole set of large adjustable steel pipeline buttress is fixedly connected with a concrete foundation or a terrace through bolts at corresponding positions, and meanwhile, the buttress height is adjusted according to the actual condition of the pipeline, so that the buttress installation can be completed. When the buttress is separated from the pipeline due to settlement in the using process, an operator can adjust the height of the buttress and tightly push the buttress and the pipeline again.

Compared with the prior art, the utility model the technical effect lie in: the utility model discloses simple structure can arrange in a flexible way, simultaneously according to load, buttress size serialization production preparation the utility model discloses a helicitic texture of adjustable height has solved all sorts of problems that traditional cast in situ reinforced concrete buttress exists, has simplified the site operation, provides convenience for the production maintenance in the future simultaneously.

The present invention will be described in further detail with reference to the following drawings and detailed description, but the scope of the invention is not limited thereto.

Drawings

FIG. 1 is the utility model relates to an overall structure schematic diagram of large-scale adjustable steel pipeline buttress.

Fig. 2 is the utility model relates to a structural schematic diagram overlooks of support increases in large-scale adjustable steel pipeline buttress.

FIG. 3 is the utility model relates to a limiting plate and gag lever post assembly schematic in large-scale adjustable steel pipeline buttress.

Fig. 4 is the utility model relates to a supporting roof's overlook schematic diagram in large-scale adjustable steel pipeline buttress.

FIG. 5 is the utility model relates to a bolt mounting hole schematic diagram is reserved to large-scale adjustable steel pipeline buttress middle cross beam.

FIG. 6 is the utility model relates to an initial installation state diagram of large-scale adjustable steel pipeline buttress.

FIG. 7 is the utility model relates to a state diagram after large-scale adjustable steel pipeline buttress height-adjusting.

The reference symbols shown in the figures are:

1-supporting top plate, 2-supporting pipe, 3-steel sleeve, 4-supporting bottom plate, 5-bolt, 6-stiffening plate, 7-limiting plate, 8-limiting rod, 9-limiting rod upper end enlarging head, 10-fixing bolt, 11-beam and 12-concrete foundation.

Detailed Description

As shown in fig. 1-7, the utility model relates to a large-scale adjustable steel pipeline buttress, including a crossbeam 11 and a plurality of heightening supports of setting under the crossbeam, every heightening support comprises bearing roof 1, outband thread's supporting tube 2, in-band screw thread steel casing pipe 3 and supporting baseplate 4, and crossbeam 11 is connected with fixed surface on the bearing roof 1, adopts usually to fix through fixing bolt. The upper end of the supporting pipe 2 is fixedly connected with the lower surface of the supporting top plate 1, the lower end of the steel sleeve 3 is fixedly connected with the upper surface of the supporting bottom plate 4, the lower end of the supporting pipe 2 is screwed into the steel sleeve 3 to form threaded connection with the steel sleeve 3, the purpose that the supporting pipe and the steel sleeve move relatively through threads is achieved, and the supporting top plate 1 is preferably circular.

The recommended value that the size of the central mounting hole on the top bearing plate 1 is larger than the size of the enlarged head 9 at the upper end of the limiting rod is usually 4-5 mm, and four arc-shaped openings are symmetrically reserved around the central mounting hole of the top bearing plate 1 according to the position of the mounting hole of the cross beam 11.

The lower surface of each supporting top plate 1 is welded with a supporting pipe 2 with external threads.

A strip-shaped fixed limiting plate 7 is arranged inside each supporting pipe 2 (a welding mode is recommended), a through hole is formed in the center of the limiting plate 7, and the size of the through hole is 2-3 mm larger than the rod diameter of the limiting rod 8.

A steel sleeve 3 with an internal thread is matched according to the thread size of the supporting pipe 2, and the lower end of the steel sleeve 3 is welded and fixed on a supporting base plate 4. The periphery of the steel sleeve 3 is uniformly provided with stiffening plates 6.

The center of each supporting bottom plate 4 is provided with a threaded hole with internal threads. Mounting holes are reserved at four corners of the supporting base plate 4, and bolts 5 with corresponding quantity are configured according to design requirements.

The limiting rod 8 with the upper end provided with the amplifying head and the lower end provided with the external screw thread matched with the central threaded hole of the supporting baseplate 4 in size can pass through the central through hole of the limiting plate 7 and be screwed into the threaded hole in the center of the supporting baseplate 4 for fixation.

The length of the limiting rod 8 is determined according to the requirement of the minimum connection length required by calculation between the bearing 2 and the steel sleeve 3, and the top surface of the amplifying head 9 at the upper end of the limiting rod is provided with a cross-shaped or hexagonal clamping groove, so that the limiting rod is convenient to mount.

The bearing top plate 1, the bearing 2, the steel sleeve 3, the bearing bottom plate 4, the bolts 5, the stiffening plate 6, the limiting plate 7, the limiting rod 8, the fixing bolts 10 and the cross beam 11 can be prefabricated in an integral factory and transported to a construction site in batches after galvanization treatment.

Before construction, the cross beam 11 with the mounting holes and the bearing top plate 1 with the mounting holes at the centers of the height-adjusting supports can be prefabricated in batches according to design requirements, two groups of mounting holes are reserved at the connecting parts of the lower flange of the cross beam 11, corresponding to the supporting top plates of the height-adjusting supports, respectively, and a group of fixing bolts 10 are configured according to the design requirements. The stop rods 8 can be passed through the stop plates 7 and screwed into the support base plate 4 by a tool such as a screwdriver to ensure the minimum connection length between the support pipe 2 and the steel casing 3. When the on-site pipeline is installed in place, bolts 5 of all places are installed at corresponding positions on a constructed concrete foundation 12 according to design requirements, a supporting bottom plate 4 of a steel buttress is fixed through the bolts 5, then the bottom of a cross beam 11 and supporting top plates of all places of height-adjusting supports are pre-connected through bolts 10 according to the actual installation height of the pipeline, the top of the cross beam is tightly propped against the bottom of the pipeline support, supporting pipes 2 with external threads are adjusted at all places in a rotating mode, the supporting top plates 1 of all places are tightly propped against the lower surfaces of the cross beam 11, then the cross beam 11 and the supporting top plates 1 of all places are tightly screwed through the fixing bolts 10, and installation. When the buttress height is not enough or the foundation subsides to cause the buttress to be disengaged from the pipeline in use, an operator can loosen the fixing bolts 10 at each part, rotate the bearing top plate 1 connected with the bearing pipes 2 at each part, heighten the buttress and tighten the fixing bolts 10 again, thereby conveniently and quickly realizing the jacking with the supported pipeline.

When the adjustable height of the steel buttress exceeds the adjustable range due to overlarge foundation settlement and the like in use, the specification of the steel buttress is directly changed.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these are examples only, and that any insubstantial modifications of the invention, including those made with the spirit and scope of the present invention, are within the scope of the present invention.

Claims

1. The utility model provides a large-scale adjustable steel pipeline buttress which characterized in that: the large-scale adjustable steel pipeline buttress comprises a cross beam and a plurality of heightening supports arranged below the cross beam, wherein each heightening support comprises a supporting top plate, a supporting pipe with external threads, a steel sleeve with internal threads and a supporting bottom plate, the cross beam is fixedly connected with the upper surface of the supporting top plate, the upper end of the supporting pipe is fixedly connected with the lower surface of the supporting top plate, the lower end of the steel sleeve is fixedly connected with the upper surface of the supporting bottom plate, and the lower end of the supporting pipe is screwed into the steel sleeve to form threaded connection with the steel sleeve.

2. The large adjustable steel pipeline buttress as claimed in claim 1, wherein: the supporting top plate is circular.

3. The large adjustable steel pipeline buttress as claimed in claim 1, wherein: and stiffening plates are symmetrically arranged around the steel sleeve and are respectively fixedly connected with the outer wall of the steel sleeve and the upper surface of the supporting base plate.

4. The large adjustable steel pipeline buttress as claimed in claim 1, wherein: the large-scale adjustable steel pipeline buttress still includes limiting plate and gag lever post, and the limiting plate setting is at the inside lower extreme of supporting tube, and the gag lever post is the gag lever post of upper end area amplification head lower extreme outband screw thread, and the through-hole is opened at the limiting plate center, and threaded hole is opened at the supporting baseplate center, and the mounting hole is opened at the supporting roof center, and the through-hole of limiting plate is passed to the gag lever post lower extreme to twist and form screw thread fixed connection in the threaded hole at supporting baseplate center.

5. The large adjustable steel pipeline buttress of claim 4, characterized in that: the end part of the upper end amplifying head of the limiting rod is provided with a cross-shaped or hexagonal clamping groove.

6. The large adjustable steel pipeline buttress of claim 4, characterized in that: the diameter of the central mounting hole of the supporting top plate is larger than the maximum size of the amplifying head at the upper end of the limiting rod, and the diameter of the central through hole of the limiting plate is smaller than the maximum size of the amplifying head at the upper end of the limiting rod.

7. The large adjustable steel pipeline buttress as claimed in claim 1, wherein: two groups of mounting holes are reserved at the connecting parts of the supporting top plates of the heightening supports corresponding to the lower flanges of the cross beam respectively, and circular-arc-shaped holes are reserved in the supporting top plates.

8. The large adjustable steel pipeline buttress of claim 4, characterized in that: the diameter of the central mounting hole on the supporting top plate is 4-5 mm larger than the size of the enlarged head at the upper end of the limiting rod, and four arc-shaped openings are symmetrically reserved around the central mounting hole of the supporting top plate according to the position of the beam mounting hole.

9. The large adjustable steel pipeline buttress of claim 4, characterized in that: a through hole is formed in the center of the limiting plate, and the diameter of the through hole is 2-3 mm larger than that of the limiting rod.