CN217758857U - Pipeline foundation trench backfilling structure - Google Patents

Abstract

The application discloses structure is backfilled to pipeline foundation ditch, relate to pipeline buried technical field underground, including the ground, the top of ground is connected with the road surface layer, the foundation ditch body is installed to the inner chamber of ground, the ground is close to one side of foundation ditch body and has seted up the slot, install the inserted block in the slot on the ground, be provided with the loading board between two sets of inserted blocks, install the cavity between loading board and the road surface layer, the inner chamber of cavity is provided with the reinforcing bar subassembly, the gravel layer is installed to the bottom of foundation ditch body inner chamber, the coarse sand layer in the top of gravel layer is installed, be provided with rubber modified layer between medium coarse sand layer and the loading board. This application sets up through the cooperation of loading board, rubber modified layer, inserted block and slot, and the road surface layer receives decurrent load transfer and gives the loading board to make on the loading board transmits the inserted block left and right respectively, can cushion load under the elastic action through the setting on rubber modified layer simultaneously, avoid the pipeline body to receive the rigidity extrusion to take place to damage or warp as far as possible.

Description

Pipeline foundation trench backfilling structure

Technical Field

The application relates to the technical field of pipeline embedding, in particular to a pipeline foundation trench backfill structure.

Background

The pipeline engineering becomes an important lifeline engineering component for promoting social development, the operation mode of the pipeline is changed along with the increase of population and rapid development of economy in countries and regions, the pipeline is not only used for energy transportation singly, but also becomes an indispensable part for building town infrastructure, is closely related to human life, and in order to meet the rapid development of urban economy, pipelines are additionally arranged on urban roads, so that a large amount of pipeline excavation and backfilling work exists on the urban roads, and the pipeline groove backfilling is an important work for laying pipelines on the existing roads.

In the process of implementing the present application, the inventor finds that at least the following problems exist in the prior art, the prior structure is easy to bear the load from the ground surface in the process of using the pipeline, and the backfill structure is simple, so that the load from the ground surface is easy to directly act on the pipeline, and the pipeline is extruded and deformed or even broken.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the existing structure is easily subjected to downward ground load during the use of the pipeline, and the backfill structure is simple, so that the load on the ground is easily directly applied to the pipeline, and the pipeline is extruded and deformed or even broken, the application provides a pipeline foundation ditch backfill structure.

The application provides a structure is backfilled to pipeline foundation ditch adopts following technical scheme:

the utility model provides a structure is backfilled to pipeline foundation ditch, includes the ground, the top of ground is connected with the pavement layer, the foundation ditch body is installed to the inner chamber of ground, the ground is close to the slot has been seted up to one side of foundation ditch body, install the inserted block in the slot on the ground, and is two sets of be provided with the loading board between the inserted block, the loading board with install the cavity between the pavement layer, the inner chamber of cavity is provided with the reinforcing bar subassembly, the gravel layer is installed to the bottom of foundation ditch body inner chamber, the coarse sand layer in the top of gravel layer is installed, well coarse sand layer with be provided with rubber modified layer between the loading board, rubber modified layer with install down protective sheath and last protective sheath between the gravel layer respectively, lower protective sheath with go up and be provided with the pipeline body between the protective sheath.

Through adopting above-mentioned technical scheme, when receiving decurrent load on the road surface layer, transmit the reinforcing bar subassembly this moment on with load to continue transmitting for the loading board downwards, the load that the loading board received transmits the inserted block left respectively and right on, the load that two sets of inserted blocks received transmits in the ground, and partial load continues transmitting downwards for the rubber modified layer, and the rubber modified layer can cushion load under the elastic action, avoids the pipeline body to receive rigidity extrusion to take place to damage or warp as far as possible.

Optionally, the reinforcing bar subassembly includes the second reinforcing bar, the equidistant arrangement of second reinforcing bar is in the inner chamber of cavity, be connected with first reinforcing bar between the second reinforcing bar, first reinforcing bar with contained angle between the second reinforcing bar is 90, first reinforcing bar with the tip of second reinforcing bar stretches into respectively the inside of ground.

Through adopting above-mentioned technical scheme, when the reinforcing bar subassembly was pushed down, the edge top of first reinforcing bar and second reinforcing bar was in the inside of ground to can form the rigid support to the loading board, and then prevent that the pipeline body from lasting the pressurized.

Optionally, the lower protective sleeve and one end of the upper protective sleeve close to the pipeline body are both connected with a rubber pad.

Through adopting above-mentioned technical scheme for the pipeline body is more steady when using.

Optionally, the bottom of the lower protective sleeve is connected with bumps at equal intervals, and one end of the bump, which is far away from the lower protective sleeve, extends into the gravel layer.

Through adopting above-mentioned technical scheme, conveniently insert the lug in the gravel layer, it is fixed with protective sheath down, the condition of displacement appears in the protective sheath under avoiding as far as possible.

Optionally, a positioning assembly is arranged between the lower protective sleeve and the upper protective sleeve, the positioning assembly comprises two groups of positioning columns, the two groups of positioning columns are respectively installed at two ends of the bottom of the upper protective sleeve, and positioning grooves matched with the positioning columns in an inserted manner are formed in two ends of the top of the lower protective sleeve.

Through adopting above-mentioned technical scheme, with constant head tank and reference column grafting cooperation, fix a position fast lower protective sheath and last protective sheath to make lower protective sheath and last protective sheath establish better on the pipeline body.

Optionally, the lower protective sleeve and the upper protective sleeve are both EPS foam protective sleeves.

Through adopting above-mentioned technical scheme to can protect the pipeline body better.

Optionally, the longitudinal section of the bearing plate is an inverted isosceles trapezoid structure, and the width of the upper end of the bearing plate is greater than the distance between the two groups of the top surfaces of the insertion blocks.

Through adopting above-mentioned technical scheme to when making the loading board receive load, can transmit the inserted block left respectively with right with load on.

In summary, the present application includes at least one of the following benefits:

(1) Through the cooperation setting of loading board, rubber modified layer, inserted block and slot, the road surface layer receives decurrent load and transmits for the loading board to make the loading board transmit the inserted block left respectively and right on, can cushion load under the elastic action through the setting on rubber modified layer simultaneously, avoid the pipeline body to receive the rigidity extrusion to take place to damage or warp as far as possible.

(2) Through the cooperation setting of lower protective sheath and last protective sheath, place the pipeline body under between protective sheath and last protective sheath to can further protect the pipeline body, through the setting of rubber pad, and then guarantee the stability of pipeline body when using.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of a rebar assembly of the present application;

fig. 3 is a schematic structural diagram at a in fig. 1 of the present application.

In the figure: 1. a pavement layer; 2. a cavity; 3. a reinforcement bar assembly; 301. a first reinforcing bar; 302. a second reinforcing bar; 4. carrying a plate; 5. a foundation; 6. a base cell body; 7. a rubber-modified layer; 8. a medium-coarse sand layer; 9. a gravel layer; 10. a lower protective sleeve; 11. a positioning assembly; 1101. positioning a groove; 1102. a positioning column; 12. a pipe body; 13. an upper protective sleeve; 14. inserting a block; 15. inserting slots; 16. a rubber pad; 17. and (4) a bump.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1 of the drawings, the present application provides an embodiment: the utility model provides a structure is backfilled to pipeline foundation ditch, includes ground 5, and the top of ground 5 is connected with pavement layer 1, and foundation ditch body 6 is installed to the inner chamber of ground 5, and slot 15 has been seted up to one side that ground 5 is close to foundation ditch body 6, installs inserted block 14 in the slot 15 on the ground 5, and the level is provided with loading board 4 between two sets of inserted blocks 14, and the isosceles trapezoid structure of loading board 4's longitudinal section for invering, and the upper end width of loading board 4 is greater than the distance between two sets of inserted block 14 top surfaces. So that when the carrier plate 4 is loaded, it can transmit the load to the insert block 14 to the left and right, respectively.

Please refer to fig. 1 and fig. 2 in the drawings of the specification, a cavity 2 is installed between a bearing plate 4 and a pavement layer 1, a reinforcing steel bar assembly 3 is arranged in an inner cavity of the cavity 2, the reinforcing steel bar assembly 3 includes second reinforcing steel bars 302, the second reinforcing steel bars 302 are arranged in the inner cavity of the cavity 2 at equal intervals, first reinforcing steel bars 301 are fixedly connected between the second reinforcing steel bars 302, an included angle between the first reinforcing steel bars 301 and the second reinforcing steel bars 302 is 90 °, and end portions of the first reinforcing steel bars 301 and the second reinforcing steel bars 302 respectively extend into the foundation 5. When the steel bar assembly 3 is pressed down, the edges of the first steel bar 301 and the second steel bar 302 are pressed against the inside of the foundation 5, so that a rigid support can be formed for the bearing plate 4, thereby preventing the pipeline body 12 from being continuously pressed.

Referring to fig. 1 and 3 in the attached drawings of the specification, a gravel layer 9 is installed at the bottom of an inner cavity of a foundation trench body 6, a medium-coarse sand layer 8 is installed at the top of the gravel layer 9, a rubber modified layer 7 is arranged between the medium-coarse sand layer 8 and a bearing plate 4, a lower protective sleeve 10 and an upper protective sleeve 13 are respectively installed between the rubber modified layer 7 and the gravel layer 9, a plurality of bumps 17 are connected to the bottom of the lower protective sleeve 10 at equal intervals, and one ends of the bumps 17 far away from the lower protective sleeve 10 extend into the gravel layer 9. The lug 17 is conveniently inserted into the gravel layer 9, the lower protective sleeve 10 is fixed, and the situation that the lower protective sleeve 10 displaces is avoided as much as possible.

Referring to fig. 1 and 3 in the drawings of the specification, a pipeline body 12 is arranged between a lower protective sleeve 10 and an upper protective sleeve 13, and the lower protective sleeve 10 and the upper protective sleeve 13 are sleeved on the pipeline body 12, so that the pipeline body 12 can be further protected. The rubber pads 16 are fixedly connected to the ends, close to the pipeline body 12, of the lower protective sleeve 10 and the upper protective sleeve 13, so that the pipeline body 12 is more stable in use.

Referring to fig. 1 and 3 in the drawings of the specification, a positioning assembly 11 is disposed between the lower protective sleeve 10 and the upper protective sleeve 13, the positioning assembly 11 includes two sets of positioning posts 1102, the two sets of positioning posts 1102 are respectively fixedly mounted at two ends of the bottom of the upper protective sleeve 13, and positioning slots 1101 are respectively formed at two ends of the top of the lower protective sleeve 10 and are in inserting fit with the positioning posts 1102. Positioning groove 1101 and positioning column 1102 are matched in an inserting manner to quickly position lower protective sleeve 10 and upper protective sleeve 13, so that lower protective sleeve 10 and upper protective sleeve 13 are better sleeved on pipeline body 12. The lower protective sheath 10 and the upper protective sheath 13 are both EPS foam protective sheaths. Thereby enabling better protection of the pipe body 12.

The working principle is as follows: when using this structure, when receiving decurrent load on pavement layer 1, transmit reinforcing bar subassembly 3 with load this moment on to continue transmitting down to loading board 4, the load that loading board 4 received transmits left respectively and right on inserting block 14, the load that two sets of inserting blocks 14 received transmits in ground 5, partial load continues transmitting down to rubber modified layer 7, rubber modified layer 7 can cushion the load under the elastic action, avoids as far as possible that pipeline body 12 receives rigid extrusion and takes place to damage or warp.

Through the cooperation setting of first reinforcing bar 301 and second reinforcing bar 302, formed rigid support on loading board 4 upper portion, when reinforcing bar subassembly 3 was pushed down, the inside at ground 5 was pushed up to the edge of first reinforcing bar 301 and second reinforcing bar 302 to can form rigid support to loading board 4, and then prevent that pipeline body 12 from lasting the pressurized.

Simultaneously through the grafting cooperation of constant head tank 1101 and reference column 1102, can establish lower protective sheath 10 and upper protective sheath 13 cover on pipeline body 12 to can further protect pipeline body 12, through the setting of rubber pad 16, make pipeline body 12 more steady when using, and then prolonged the life of pipeline body 12.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a pipeline foundation ditch backfill structure, includes ground (5), its characterized in that: the top of ground (5) is connected with pavement layer (1), basic groove body (6) are installed to the inner chamber of ground (5), ground (5) are close to slot (15) have been seted up to one side of basic groove body (6), install inserted block (14) in slot (15) on ground (5), and are two sets of be provided with between inserted block (14) loading board (4), loading board (4) with install cavity (2) between pavement layer (1), the inner chamber of cavity (2) is provided with reinforcing bar subassembly (3), gravel layer (9) are installed to the bottom of basic groove body (6) inner chamber, coarse sand layer (8) in the top of gravel layer (9) is installed, well coarse sand layer (8) with be provided with rubber improvement layer (7) between loading board (4), rubber improvement layer (7) with install down protective sheath (10) and last protective sheath (13) between gravel layer (9) respectively, down protective sheath (10) with be provided with pipeline body (12) between last protective sheath (13).

2. The pipe foundation trench backfill structure according to claim 1, wherein: reinforcing bar subassembly (3) include second reinforcing bar (302), second reinforcing bar (302) equidistant arrange the inner chamber of cavity (2), be connected with first reinforcing bar (301) between second reinforcing bar (302), first reinforcing bar (301) with contained angle between second reinforcing bar (302) is 90, first reinforcing bar (301) with the tip of second reinforcing bar (302) stretches into respectively the inside of ground (5).

3. The pipe foundation trench backfill structure according to claim 1, wherein: the lower protective sleeve (10) and one end, close to the pipeline body (12), of the upper protective sleeve (13) are both connected with a rubber pad (16).

4. The pipe foundation trench backfill structure according to claim 1, wherein: the bottom of lower protective sheath (10) is equidistant to be connected with lug (17), lug (17) are kept away from the one end of lower protective sheath (10) stretches into the inside of gravel layer (9).

5. The pipe foundation trench backfill structure according to claim 1, wherein: lower protective sheath (10) with be provided with locating component (11) between last protective sheath (13), locating component (11) include two sets of reference column (1102), and two sets of reference column (1102) are installed respectively go up the both ends of protective sheath (13) bottom, the both ends at lower protective sheath (10) top all seted up with reference column (1102) grafting complex constant head tank (1101).

6. The pipe foundation trench backfill structure according to claim 1, wherein: the lower protective sleeve (10) and the upper protective sleeve (13) are both EPS foam protective sleeves.

7. The pipe foundation trench backfill structure according to claim 1, wherein: the longitudinal section of the bearing plate (4) is an inverted isosceles trapezoid structure, and the width of the upper end of the bearing plate (4) is larger than the distance between the top surfaces of the two groups of the inserting blocks (14).

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