CN216865253U

CN216865253U - Straight-through hand hole well of fire-fighting basement

Info

Publication number: CN216865253U
Application number: CN202220610905.0U
Authority: CN
Inventors: 吴欢
Original assignee: Chongqing Yunyi Construction And Installation Engineering Co ltd
Current assignee: Chongqing Yunyi Construction And Installation Engineering Co ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-07-01
Anticipated expiration: 2032-03-19

Abstract

The utility model belongs to the technical field of the technique of the building engineering construction and specifically relates to a fire control basement's straight-through hand hole well is related to, including bed course, hand hole well body, well lid and pre-buried steel pipe at the lateral wall of hand hole well body, the sump pit has been seted up at the top of bed course, and the rubble has been laid to the bottom of sump pit, and the lateral wall of hand hole well body is pre-buried to have the drain pipe, and the drain pipe is used for being connected with the rainwater well, and the drain pipe is located the below of steel pipe. On the rainwater that enters into hand hole well body falls the bed course, enters into the sump pit after that, the rubble in the sump pit filters the rainwater in the sump pit, then arranges in the rainwater well through the drain pipe, and in addition, the steel pipe has good water corrosion resistance effect, improves the drainage effect of hand hole well.

Description

Straight-through hand hole well of fire-fighting basement

Technical Field

The application relates to the technical field of constructional engineering construction, in particular to a straight-through hand hole well of a fire-fighting basement.

Background

The hand hole well is a well which cannot enter people and can only stretch into hands for facilitating cable laying in building or municipal engineering, is convenient to thread and mainly adopts a cement brick structure. Fire-fighting basements generally employ straight-through hand-hole wells.

At present, a common straight-through hand hole well comprises a cushion layer, a well wall and a well lid, wherein the well wall is arranged on the cushion layer, the well lid is used for sealing an opening of the well wall, a pipeline is pre-embedded in the well wall, and a cable is installed in the pipeline.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: in case the rainwater enters into the wall of a well from the well lid to pile up in hand hole well, inconvenient follow-up staff maintains the cable, in addition, when piling up the cable of installing in hand hole well in the rainwater flooding of hand hole well, cause the short circuit easily, have the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to improve the drainage effect of hand hole well, this application provides a straight through hand hole well of fire control basement.

The application provides a straight through hand hole well of fire control basement adopts following technical scheme:

the utility model provides a fire control basement's straight through hand hole well, includes bed course, hand hole well body, well lid and pre-buried steel pipe at the lateral wall of hand hole well body, the sump pit has been seted up at the top of bed course, the rubble has been laid to the bottom of sump pit, the pre-buried drain pipe that has of lateral wall of hand hole well body, the drain pipe is used for being connected with the rainwater well, the drain pipe is located the below of steel pipe.

Through adopting above-mentioned technical scheme, on the rainwater whereabouts to the bed course that enters into hand hole well body, enter into the sump pit after that, the rubble in the sump pit filters the rainwater in the sump pit, then in arranging the rainwater well through the drain pipe, in addition, the steel pipe has good water corrosion resistance effect, improves the drainage effect of hand hole well.

Optionally, the hand hole well body comprises a top plate and side plates, the top plate is arranged at the tops of the side plates, the well cover is arranged on the top plate, the steel pipe and the drain pipe are both pre-buried on the side plates, a cable support is fixedly arranged on the side plates, and the cable support is used for being in contact with a cable.

Optionally, the cable support comprises a vertical support and a horizontal support, the vertical support is fixedly arranged on the side plate along the vertical direction, the horizontal support is fixedly arranged on the vertical support along the horizontal direction, a bearing plate is arranged at the top of the vertical support, and the top of the bearing plate is used for contacting with a cable.

Through adopting above-mentioned technical scheme, the loading board has enlarged the area of contact of cable and cable support, and is better to the support effect of cable.

Optionally, an inclined bracket is arranged at the bottom of the horizontal bracket, one end of the inclined bracket is fixedly connected with the horizontal bracket, and the other end of the inclined bracket is fixedly connected with the vertical bracket.

Through adopting above-mentioned technical scheme, the slant support improves the connection stability of horizontal stand and vertical support.

Optionally, the bottom of the top plate is fixedly provided with a fixing plate, the inner side wall of the fixing plate abuts against the outer side wall of the side plate, and a gravel cushion layer is laid on the outer side wall of the fixing plate.

Through adopting above-mentioned technical scheme, receive the in-process that pressure compressed down when the roof, drive the fixed plate and remove to the direction that is close to the bed course, the rubble bed course carries out the pressure release, improves the compressive capacity of hand hole well.

Optionally, a telescopic tube is arranged between the fixing plate and the side plate, the telescopic tube is hollow and is provided with an upper opening and a lower opening, and the length of the telescopic tube is telescopic along the height direction of the side plate.

Through adopting above-mentioned technical scheme, the telescopic tube effectively hinders the soil in the fixed plate outside to be close to the inside of hand hole well body, improves the sealed effect of hand hole well body.

Optionally, a bearing plate is fixedly arranged between the top plate and the fixing plate.

Through adopting above-mentioned technical scheme, the bearing plate improves the joint strength of roof and fixed plate.

Optionally, a medium coarse sand backfill soil layer is laid on the outer side wall of the side plate.

In summary, the present application includes at least one of the following beneficial technical effects:

the rainwater entering the hand hole well body falls onto the cushion layer and then enters the water collecting pit, the broken stones in the water collecting pit filter the rainwater in the water collecting pit and then are discharged into the rainwater well through the water discharging pipe, and in addition, the steel pipe has a good water corrosion resisting effect and improves the water discharging effect of the hand hole well;

the contact area between the cable and the cable support is enlarged by the bearing plate, and the supporting effect on the cable is better;

when the top plate is compressed downwards under pressure, the fixing plate is driven to move towards the direction close to the cushion layer, the broken stone cushion layer is decompressed, and the pressure resistance of the hand hole well is improved.

Drawings

Fig. 1 is a partial cross-sectional view of a straight hand hole well of a fire fighting basement according to an embodiment of the application.

Description of reference numerals: 1. a cushion layer; 2. a hand hole well body; 21. a top plate; 22. a side plate; 3. a well cover; 4. a steel pipe; 5. a sump; 6. crushing stone; 7. a drain pipe; 8. a cable holder; 81. a vertical support; 82. a horizontal support; 83. a carrier plate; 84. an oblique bracket; 9. a fixing plate; 10. a gravel cushion layer; 11. a telescopic sleeve; 12. a pressure bearing plate; 13. and (5) backfilling the soil layer with medium and coarse sand.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses fire control basement's straight through hand hole well. Referring to fig. 1, the hand hole well includes bed course 1, hand hole well body 2, well lid 3 and pre-buried steel pipe 4 at the lateral wall of hand hole well body 2, sump pit 5 has been seted up at the top of bed course 1, the pre-buried drain pipe 7 that has of lateral wall of hand hole well body 2, the rainwater that gets into hand hole well body 2 falls on bed course 1, then enter into in sump pit 5, then discharge through drain pipe 7, effectively avoid the rainwater to pile up in hand hole well body 2, improve the drainage effect of hand hole well.

Referring to fig. 1, the staff excavates the buried bore that is used for installing hand hole well body 2 subaerial to laid bed course 1 in the bottom in buried bore, bed course 1 adopts C25 concrete to lay and forms, and bed course 1 is used for the flattening road surface, easy to assemble hand hole well body 2.

Referring to fig. 1, the one deck rubble 6 is laid on the diapire upper berth of sump 5, and the silt that enters into the rainwater of sump 5 is filtered by rubble 6, prevents effectively that silt from blockking up drain pipe 7, effectively ensures the drainage effect of drain pipe 7.

Referring to fig. 1, hand hole well body 2 is installed on bed course 1, and the top of bed course 1 and the lateral wall that is located hand hole well body 2 are laid and are equipped with well coarse sand backfill soil layer 13, and well coarse sand backfill soil layer 13 wraps up the outside one end that is located the hand hole well with the pipeline. The medium coarse sand backfill soil layer 13 has the advantages of good water permeating effect, firm bonding with adjacent soil layers, better extrusion resistance, effective prevention of damage of the pipeline due to extrusion by external force and improvement of the integrity of the pipeline.

Referring to fig. 1, the hand-hole well body 2 includes a top plate 21 and a side plate 22, the top plate 21 is a plate formed by pouring C25 concrete, a well lid 3 hole for installing the well lid 3 is reserved in the center of the top plate 21, and the well lid 3 is fixedly installed in the well lid 3 hole. The side plates 22 are formed by building MU20 baked bricks on the cushion layer 1, the number of the side plates 22 is four, the four side plates 22 enclose a rectangle, cable holes for installing the steel pipes 4 are reserved on two opposite side plates 22, and nine cable holes are reserved in the embodiment. The steel pipe 4 adopts the inside hollow steel pipeline, and steel pipe 4 fixed mounting is installed on the lateral wall of cable hole on the steel pipe 4 is interior to install the cable. The roof 21 is located curb plate 22 directly over, and the staff opens the well lid 3 on the roof 21, maintains the cable of installing in the hand hole well.

Referring to fig. 1, a drain hole for installing the drain pipe 7 is reserved on the side plate 22, the drain pipe 7 is made of PVC pipe, and the drain pipe 7 is fixedly installed on the side wall of the drain hole and is located right above the sump 5 and below the steel pipe 4.

Referring to fig. 1, a bearing plate 12 is fixedly mounted at the bottom of a top plate 21, the bearing plate 12 is a plate formed by pouring C25 reinforced concrete, the bearing plate 12 is located above a side plate 22, and the bearing plate 12 is used for bearing the load force applied to the top plate 21, so that the hand hole well is effectively prevented from collapsing, and the stability of the hand hole well is improved.

Referring to fig. 1, a fixing plate 9 is fixedly mounted at the bottom of the pressure bearing plate 12, and the fixing plate 9 is made of an alloy material and has an L-shaped cross section. The fixing plate 9 abuts on the outer side wall of the side plate 22, and the fixing plate 9 is slidably connected to the outer side wall of the side plate 22 along the height direction of the side wall. And a gravel cushion layer 10 is paved on the outer side wall of the fixing plate 9, and the gravel cushion layer 10 is positioned between the ground and a medium and coarse sand backfill soil layer 13. When the top plate 21 is stressed to move towards the direction close to the side plate 22, the fixing plate 9 also moves towards the direction close to the side plate 22 along with the top plate 21, gaps between the top plate 21 and the side plate 22 are sealed, and the broken stone cushion layer 10 blocks the movement of the top plate 21 towards the direction close to the side plate 22, so that the stress on the top plate 21 is relieved, and the pressure resistance of the manhole is improved.

Referring to fig. 1, an expansion tube 11 is installed between a fixed plate 9 and a side plate 22, the top of the expansion tube 11 is fixedly connected with the fixed plate 9, and the bottom of the expansion tube 11 is fixedly connected with the top of the side plate 22. The telescopic tube 11 is made of elastic metal, the inside of the telescopic tube 11 is hollow and is opened up and down, and the length of the telescopic tube 11 is telescopic along the height direction of the side plate 22. The opening of the telescopic tube 11 communicates with the top plate 21 and the side plate 22. The telescopic tube 11 effectively hinders soil in the fixed plate 9 outside to be close to the inside of hand hole well body 2 to fill the gap between fixed plate 9 and curb plate 22 in real time, improve the sealed effect of hand hole well body 2.

Referring to fig. 1, a cable support 8 is fixedly mounted on the side plate 22, and the cable support 8 is used for contacting with a cable, supporting the cable and improving the stability of the cable in the hand hole well. The cable holders 8 are made of alloy materials, and the cable holders 8 are arranged on the side plates 22 in an array mode. The cable support 8 comprises a vertical support 81 and a horizontal support 82, the vertical support 81 is fixedly installed on the side wall of the side plate 22 along the vertical direction, the horizontal support 82 is fixedly installed at one end, away from the side plate 22, of the vertical support 81 along the horizontal direction, a bearing plate 83 is installed at the top of the vertical support 81, the bearing plate 83 is a rectangular plate made of alloy materials, and the width of the bearing plate 83 is larger than that of the vertical support 81. The staff places the cable on the loading board 83, and the loading board 83 has enlarged the area of contact of cable and cable support 8, and is better to the support effect of cable.

Referring to fig. 1, an inclined bracket 84 is installed at the bottom of the horizontal bracket 82, the inclined bracket 84 is a plate made of an alloy material, one end of the inclined bracket 84 is fixedly connected with the horizontal bracket 82, and the other end of the inclined bracket 84 is fixedly connected with the vertical bracket 81, so that a triangle is formed among the inclined bracket 84, the horizontal bracket 82 and the vertical bracket 81, and the connection stability of the horizontal bracket 82 and the vertical bracket 81 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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

1. The utility model provides a fire control basement's straight-through hand hole well, includes bed course (1), hand hole well body (2), well lid (3) and pre-buried steel pipe (4) at the lateral wall of hand hole well body (2), sump pit (5) have been seted up at the top of bed course (1), rubble (6) have been laid to the bottom of sump pit (5), the lateral wall of hand hole well body (2) is pre-buried to have drain pipe (7), drain pipe (7) are used for being connected with the rainwater well, drain pipe (7) are located the below of steel pipe (4).

2. The straight-through hand hole well of the fire fighting basement as claimed in claim 1, wherein: hand hole well body (2) include roof (21) and curb plate (22), roof (21) set up the top at curb plate (22), well lid (3) set up on roof (21), steel pipe (4) and drain pipe (7) are all pre-buried on curb plate (22), fixed cable support (8) of being provided with on curb plate (22), cable support (8) are used for contacting with the cable.

3. The straight-through hand hole well of the fire fighting basement as claimed in claim 2, wherein: the cable support (8) comprises a vertical support (81) and a horizontal support (82), the vertical support (81) is fixedly arranged on the side plate (22) along the vertical direction, the horizontal support (82) is fixedly arranged on the vertical support (81) along the horizontal direction, a bearing plate (83) is arranged at the top of the vertical support (81), and the top of the bearing plate (83) is used for being in contact with a cable.

4. The straight-through hand hole well of the fire fighting basement as claimed in claim 3, wherein: the bottom of horizontal stand (82) is provided with slant support (84), one end horizontal stand (82) fixed connection, the other end and vertical support (81) fixed connection of slant support (84).

5. The straight-through hand hole well of the fire fighting basement as claimed in claim 2, wherein: the bottom of roof (21) is fixed and is provided with fixed plate (9), the inside wall butt of fixed plate (9) is on the lateral wall of curb plate (22), rubble bed course (10) have been laid to the lateral wall of fixed plate (9).

6. The straight-through hand hole well of the fire fighting basement as claimed in claim 5, wherein: be provided with telescopic tube (11) between fixed plate (9) and curb plate (22), telescopic tube (11) inside cavity and upper and lower opening, telescopic tube (11) length is scalable along the direction of height of curb plate (22).

7. The straight-through hand hole well of the fire fighting basement as claimed in claim 5, wherein: and a bearing plate (12) is fixedly arranged between the top plate (21) and the fixing plate (9).

8. The straight-through hand hole well of the fire fighting basement as claimed in claim 5, wherein: and a medium coarse sand backfill soil layer (13) is paved on the outer side wall of the side plate (22).