Pipeline supporting device for backfilling of gas engineering
Technical Field
The utility model relates to the technical field of pipelines, in particular to a pipeline supporting device for backfilling of gas engineering.
Background
With the improvement of living standard, the urban gas industry rapidly develops, and the consumption, the number of users and the popularity are obviously increased. Especially the wide application of natural gas promotes the leap of the urban gas industry. The gas pipeline is a core part of the gas transmission and distribution system.
With rapid expansion of cities and continuous increase of municipal engineering, direct pressure is applied to pipelines in the building construction and other construction processes, and under the conditions of running vehicles above the pipelines, temporarily stacking objects and the like. Such pressure can lead to the pipeline to be in a strong dynamic stress state for a long time, and can lead to the pipeline to be fatigued and further to crack or break over time, which constitutes a great threat to the safe operation of the pipeline, and the existing buried gas pipeline protection facilities have the problems of single design and insufficient protection efficiency. If these pipes are damaged, significant losses can result.
Disclosure of utility model
The utility model aims to provide a pipeline supporting device for backfilling of a fuel gas project, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a gas engineering is backfilled and is used pipeline strutting arrangement, buries in underground slot, includes that a pair of trapezoidal supporting base that is the symmetry setting, detachable frame are located the semicircle arch on two trapezoidal bases and are unloaded the gland, connect and embedded respectively in two parallel arrangement's of two trapezoidal base bottoms fixed horizontal bar, detachable connect the pipeline supporting seat on two fixed horizontal bars and be fixed in the gas pipeline on the pipeline supporting seat through wire rope.
The trapezoid support base comprises a trapezoid main body, a first limiting clamping groove arranged at one side, close to the semicircular arch pressure relief cover, of the top of the trapezoid main body, a connecting round hole arranged at the bottom of the first limiting clamping groove and a second limiting clamping groove arranged at the bottom of the trapezoid main body and matched with the fixed transverse bar.
The semicircular arch pressure relief cover comprises a semicircular arch main body, clamping convex strips which are arranged at two ends of the semicircular arch main body and matched with the first limiting clamping grooves, and penetrating round notches which are arranged on the clamping convex strips, wherein the clamping convex strips are in limiting abutting connection with the first limiting clamping grooves, and the connecting round holes are connected with the penetrating round notches through bolts.
The pipeline supporting seat comprises a double-web I-steel main body and a semicircular pipeline supporting seat connected to the top of the double-web I-steel main body, connecting lugs are respectively arranged at two ends of the semicircular pipeline supporting seat, and the steel wire rope penetrates through the connecting lugs to fix the gas pipeline on the pipeline supporting seat.
The fixed transverse bar is connected with the bottom of the groove, a pipeline protection chamber is formed between the semicircular arch unloading gland and the trapezoid support base, first backfill is filled in the protection chamber, second backfill is filled above the semicircular arch unloading gland and the trapezoid support base, and fine-grained soil is used for backfilling the first backfill.
Preferably, the fixed cross bars and the trend of the gas pipeline are mutually perpendicular, so that the stability of the whole structure is maintained.
Preferably, the two ends of the fixed cross bar are provided with convex clamping convex blocks, correspondingly, the bottom of the second limiting clamping groove is provided with clamping grooves matched with the clamping convex blocks, and the clamping convex blocks and the clamping grooves are in limiting clamping, so that the gas pipeline is more stable and reliable in integral structure, disturbance to the gas pipeline due to external factors such as displacement is reduced, and the service life of the gas pipeline is prolonged.
Preferably, the trapezoid support base, the semicircular arch unloading gland and the fixed transverse bar all comprise reinforced concrete prefabricated main bodies, split type design is convenient for prefabricating and quick installing, and prefabricated components can mutually support after being assembled, so that the stability of the structure is ensured.
Preferably, the surface of the pipeline supporting seat is sprayed with a sintered epoxy powder coating, so that the component has good corrosion resistance in an underground soil layer and longer service life.
Compared with the prior art, the pipeline supporting device for gas engineering backfill has the following beneficial effects:
The semicircular arch pressure relief cover can uniformly disperse the upper pressure to the supporting points at the two ends, reduces the lateral force of the structure, ensures that the arch structure is very stable when bearing vertical load, and the lower trapezoid support base can transmit the load force transmitted by the semicircular arch pressure relief cover to the lower soil layer on one hand, and on the other hand, the trapezoid structure can effectively reduce the influence of the lateral force on the trapezoid support base, so that the trapezoid support base is more stable and reliable, and the protection of an indoor pipeline is realized. The fixed horizontal bar of bottom both can prevent overall structure aversion, improves overall stability, by can fixed pipeline supporting seat, reduces the aversion of pipeline, improves its life. The prefabricated components are integrally used, so that the construction efficiency is improved while the connection accuracy and reliability are ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a connection state after burying according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a connection structure of a trapezoid support base, a semicircular arch gland and a fixed cross bar in an embodiment of the present utility model;
FIG. 4 is an exploded view of the three structures of the trapezoid support base, the semi-circular arch gland and the fixed cross bar in the embodiment of the utility model;
FIG. 5 is an exploded view of a structure of a fixed rail and a trapezoidal support base according to an embodiment of the present utility model.
The device comprises a trapezoid supporting base, a trapezoid main body, a first limiting clamping groove, a connecting round hole, a second limiting clamping groove, a 2-semicircle arch pressure unloading cover, a 21-semicircle arch main body, a 22-clamping convex strip, a 23-semicircle notch, a 3-fixing transverse strip, a 31-clamping convex block, a 4-pipeline supporting seat, a 41-double web I-steel main body, a 42-semicircle pipeline supporting seat, a 43-connecting lug, a 5-steel wire rope, a 6-gas pipeline, a 7-pipeline protection chamber, a 8-first backfill and a 9-second backfill.
Detailed Description
The following is a further detailed description of the embodiments:
Example 1
As shown in fig. 1-5, this embodiment illustrates a pipeline supporting device for backfilling in gas engineering, which is buried in an underground trench and comprises a pair of symmetrically arranged trapezoid supporting bases 1, a semicircular arch unloading cover 2 detachably erected on the two trapezoid bases, two parallel fixed cross bars 3 connected with and respectively embedded in the bottoms of the two trapezoid bases, a pipeline supporting seat 4 detachably connected to the two fixed cross bars 3, and a gas pipeline 6 fixed on the pipeline supporting seat 4 through a steel wire rope 5.
In this embodiment, the trapezoid support base 1 includes a trapezoid main body 11, a first limit slot 12 disposed at the top of the trapezoid main body 11 and near to one side of the semi-circular arch unloading gland 2, a connection round hole 13 disposed at the bottom of the first limit slot 12, and a second limit slot 14 disposed at the bottom and matched with the fixed cross bar 3. Specifically, the trapezoidal support base 1 can transmit the load force transmitted by the semicircular arch unloading cover 2 to the soil layer below on one hand, and on the other hand, the trapezoidal structure can effectively reduce the influence of lateral force on the trapezoidal support base 1, so that the trapezoidal support base is more stable and reliable, and the indoor pipeline is protected.
The semicircular arch unloading gland 2 in this embodiment includes a semicircular arch main body 21, clamping convex strips 22 arranged at two ends of the semicircular arch main body 21 and matched with the first limiting clamping grooves 12, and penetrating circular notches 23 arranged on the clamping convex strips 22, wherein the clamping convex strips 22 are in limiting abutting connection with the first limiting clamping grooves 12, and the connecting round holes 13 are connected with the penetrating circular notches 23 through bolts. Specifically, the semicircular arch pressure relief cover 2 can uniformly disperse the pressure above to the supporting points at the two ends, so that the lateral force of the structure is reduced, and the arch structure is very stable when bearing vertical load.
In this embodiment, the pipe support base 4 includes a double-web i-steel main body 41 and a semicircular pipe support base 42 connected to the top of the double-web i-steel main body 41, two ends of the semicircular pipe support base 42 are respectively provided with a connecting lug 43, the steel wire rope 5 passes through the connecting lug 43 to fix the gas pipe 6 on the pipe support base 4, thereby stably and reliably supporting the gas pipe 6, and the steel wire rope 5 is matched with the semicircular pipe support base 42, so as to meet the fixed connection of the gas pipe 6 within a certain specification range, and the pipe support base has strong adaptability, stability and reliability.
In the embodiment, the fixed cross bar 3 and the trapezoid support base 1 are connected to the bottom of a groove, a pipeline protection chamber 7 is formed between the semicircular arch unloading cover 2 and the trapezoid support base 1, first backfill soil 8 is filled in the protection chamber, second backfill soil 9 is filled above the semicircular arch unloading cover 2 and the trapezoid support base 1, fine-grained soil backfill is adopted for the first backfill soil 8, and raw soil during groove digging can be used for the second backfill soil 9. In actual operation, the first backfill 8 in the protection room may have a smaller compaction than the second backfill 9 outside the protection room.
During concrete installation, the fixed cross bar 3 is fixed at the bottom of the groove, the trapezoid support base 1 and the pipeline support base 4 are connected, after the gas pipeline 6 is fixed, fine soil is backfilled in the protection room, then the semicircular arch unloading gland 2 is connected with the trapezoid support base 1 through bolts, and the upper part of the device is covered and compacted through backfill soil.
Example 2
As shown in fig. 1-5, another embodiment shows a pipe supporting device for backfilling of gas engineering, and further illustrates that, in a further possible implementation manner of this embodiment, as shown in fig. 3, the fixing cross bars 3 and the gas pipes 6 are arranged in a direction perpendicular to each other, so as to maintain the stability of the overall structure.
Further, in these embodiments, as shown in fig. 5, the two ends of the fixing cross bar 3 are provided with protruding clamping convex blocks 31, corresponding to each other, the bottom of the second limiting clamping groove 14 is provided with a clamping groove matched with the clamping convex blocks 31, and the clamping convex blocks 31 and the clamping grooves are in limiting clamping connection, so that the overall structure is more stable and reliable, disturbance to the gas pipeline 6 due to external factors such as displacement is reduced, and the service life of the gas pipeline 6 is prolonged.
Example 3
Another embodiment, as shown in fig. 1-5, illustrates a gas engineering backfill pipe support device. Further, in other possible implementations of this embodiment, as shown in fig. 3 to 4, the trapezoidal support base 1, the semicircular arch unloading cover 2 and the fixing cross bar 3 all include reinforced concrete prefabricated main bodies, the split design is convenient for prefabricating and quick installing, and the prefabricated components can mutually support after assembling, so that the stability of the structure is ensured.
Further, in other possible implementations of this embodiment, the surface of the pipe support seat 4 is sprayed with a sintered epoxy powder coating, so that the component has good corrosion resistance in the underground soil layer and longer service life.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.