CN218374338U

CN218374338U - Elevator foundation ditch and fire control sump pit integral structure

Info

Publication number: CN218374338U
Application number: CN202222540653.1U
Authority: CN
Inventors: 舒开明; 柯燃; 王胜猛; 彭江浪
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-24
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses an elevator foundation ditch and fire control sump pit integral structure, including setting up the fire control sump pit under elevator foundation ditch's elevator foundation ditch bottom plate, the sump pit lateral wall of fire control sump pit and the elevator foundation ditch lateral wall of elevartor shaft foundation ditch are relative and pouring structure as an organic whole from top to bottom, and the sump pit diapire of fire control sump pit and elevator foundation ditch lateral wall pouring structure as an organic whole, are provided with floor drain and fire control sump pit opening on the elevator foundation ditch bottom plate, are provided with fire control sump pit apron on the fire control sump pit opening, are provided with the suction pump in the fire control sump pit, and the suction pump is connected with liquid level switch through the PLC controller. The utility model not only solves the problem of easy water accumulation and difficult water drainage of the building engineering elevator foundation pit, but also has simple and practical construction operation and strong universality; under the action of the water suction pump, the PLC and the liquid level switch, the requirement of the automatic water pumping function can be met. Particularly, the utility model discloses not only can in time, take ponding out high-efficiently, the suction pump can not take place unloaded moreover.

Description

Elevator foundation ditch and fire control sump pit integral structure

Technical Field

The utility model relates to a technical field of elevator foundation ditch drainage especially indicates an elevator foundation ditch and fire control sump pit integral structure.

Background

With the development of science and technology and the building industry, people have higher and higher requirements on the practicability of buildings, and elevators are widely applied to high-rise and super high-rise residences. Because the building function requires, and under the higher condition of ground water level, waterproofing membrane quality can not ensure completely waterproof, can have the seepage problem, consequently can need to set up the fire control sump pit by elevator foundation ditch for collect the ponding of elevator foundation ditch and in time discharge, thereby avoid ponding to invade the bubble elevator and cause the elevator to damage and influence the use.

When a basement sump or an elevator foundation pit is excavated, a small water collecting chamber is excavated at the edge of the foundation pit, the inner cushion layer and the waterproof method of the water collecting chamber are the same as those of the sump or the elevator foundation pit, and when raining occurs, water accumulated at the bottom of the pit is timely drained by placing a water pump in the small sump pit.

Although ponding can be stored to the collecting chamber among the above-mentioned technical scheme, the ponding in with the collecting chamber is discharged through the water pump, nevertheless has following not enough: (1) The water collecting chamber has a small space, so that the amount of water stored is very limited, and the amount of water stored in the water collecting chamber needs to be concerned all the time, otherwise two very adverse conditions can occur: one is that the power of the water pump cannot keep up with the water collecting speed of the water collecting chamber, and the accumulated water in the water collecting chamber overflows to damage the elevator equipment; the other is that the water storage in the water collecting chamber is less, and the water pump is in an idle state; (2) The collecting chamber is in open state, and ponding can directly get into the collecting chamber, and debris such as spot also can directly get into the collecting chamber along with rivers, need use dedicated water pump just can avoid the problem of jam, still need work such as regularly cleaning.

SUMMERY OF THE UTILITY MODEL

Not enough to among the above-mentioned background art, the utility model provides an elevator foundation ditch and fire control sump pit integral structure has solved the inconvenient technical problem who just has the potential safety hazard of current drip chamber use.

The technical scheme of the utility model is realized like this: the utility model provides an elevator foundation ditch and fire control sump pit integral structure, is including setting up the fire control sump pit under the elevator foundation ditch's elevator foundation ditch bottom plate, the sump pit lateral wall of fire control sump pit and the elevator foundation ditch lateral wall of elevartor shaft foundation ditch are relative and pouring structure as an organic whole from top to bottom, and the sump pit diapire of fire control sump pit and elevator foundation ditch lateral wall pouring structure as an organic whole, be provided with floor drain and fire control sump pit opening on the elevator foundation ditch bottom plate, be provided with fire control sump pit apron on the fire control sump pit opening, be provided with the suction pump in the fire control sump pit, the suction pump is connected with liquid level switch through the PLC controller.

Further, the liquid level switch comprises a lower liquid level switch and an upper liquid level switch, the lower liquid level switch feeds a stop signal back to the water suction pump, the upper liquid level switch and the lower liquid level switch feed a start signal back to the water suction pump, the upper liquid level switch and the lower liquid level switch are both arranged on the side wall of the water collecting well, the distance between the lower liquid level switch and the bottom wall of the water collecting well is 15cm-30cm, the distance between the upper liquid level switch and the bottom wall of the water collecting well is 0.5m-1m, and the distance between the upper liquid level switch and the bottom plate of the elevator foundation pit is 2m-3m.

Furthermore, a filtering barrel which corresponds to the floor drain up and down is arranged in the fire-fighting water collecting well, a filtering outlet is formed in the side wall of the filtering barrel, and the cross section size of the filtering barrel is smaller than that of the opening of the fire-fighting water collecting pit.

Furthermore, be provided with the locating piece on the sump pit diapire, the filter vat joint is between sump pit lateral wall and locating piece.

Further, the sump pit diapire is provided with the slope face that is greater than 0.05, the lauter tun is located the higher department of slope face, the suction pump is located the lower department of slope face.

Furthermore, the filtering outlet is positioned on the side wall of the lower part of the filtering barrel, and the side wall of the upper part of the filtering barrel is of a circumferential closed cylindrical structure.

Furthermore, go up liquid level switch and be located the filter vat, go up liquid level switch and pass the upper portion lateral wall and install on the sump pit lateral wall, lower liquid level switch installs outside the filter vat.

Furthermore, the fire-fighting water collecting pit cover plate is a stainless steel cover plate or a concrete cover plate with a handle.

The utility model discloses but the construction at elevator foundation ditch position among the building engineering of wide application guarantees that there is not ponding in the elevator foundation ditch, ensures the normal use of elevator. The utility model not only solves the problem of easy water accumulation and difficult water drainage of the building engineering elevator foundation pit, but also has simple and practical construction operation and strong universality; the utility model discloses after the input, under suction pump, PLC controller and liquid level switch's effect, can satisfy the automatic functional requirement that draws water, can be by wide application. Particularly, the utility model discloses not only can in time, take ponding out high-efficiently, prevent that ponding in the drip chamber is excessive, the suction pump can not take place unloaded moreover.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a top view of FIG. 1;

wherein:

1. an elevator foundation pit; 11. the side wall of the elevator foundation pit;

2. a fire-fighting water collecting well; 21. a side wall of the sump well; 22. a bottom wall of the water collecting well;

3. opening a fire-fighting water collection pit; 31. a fire-fighting sump cover plate;

4. a floor drain; 5. a floor of the elevator foundation pit;

6. a lower liquid level switch; 7. an upper liquid level switch;

8. a filter vat; 81. a filtration outlet; 82. positioning a block; 83. a lower side wall; 84. an upper side wall.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

The utility model provides an elevator foundation ditch and fire control sump pit integral structure, as shown in fig. 1, including setting up fire control sump pit 2 under elevator foundation ditch bottom plate 5 of elevator foundation ditch 1, relative and as an organic whole casting structure about sump pit lateral wall 21 of fire control sump pit 2 and the elevator foundation ditch lateral wall 11 of elevator shaft foundation ditch 1, the sump pit diapire 22 of fire control sump pit 2 and elevator foundation ditch lateral wall 11 are casting structure as an organic whole.

When the elevator foundation pit 1 is constructed, a fire-fighting water collection pit 2 is arranged at the lower part of the elevator foundation pit 1, and then the elevator foundation pit 1 is constructed. Adopt reinforced concrete board as elevator foundation ditch bottom plate 5 between elevator foundation ditch 1 and the fire control sump pit 2, play elevator foundation ditch 1 and fire control sump pit 2's effect simultaneously. A floor drain 4 and a fire-fighting water collecting pit opening 3 are arranged on the elevator foundation pit bottom plate 5, and a fire-fighting water collecting pit cover plate 31 is arranged on the fire-fighting water collecting pit opening 3. In a preferred embodiment, the fire-fighting water-collecting pit cover plate 31 is a stainless steel cover plate with a handle or a concrete cover plate.

When using, if elevator foundation ditch 1 has ponding, ponding can get into fire control sump pit 2 through the floor drain, and after the ponding of fire control sump pit 2 reached certain degree of depth, the suction pump can be opened automatically and draw water, discharges the water in the fire control sump pit 2, also can open sump pit apron 31 and maintain if the trouble appears in fire control sump pit 2.

Specifically, set up the suction pump in the fire control sump pit 2, the suction pump is connected with liquid level switch through the PLC controller. The liquid level switch collects water quantity information in the fire-fighting water collecting well 2, when the water level is too low, the liquid level switch sends a corresponding signal to the PLC, and the PLC controls the water suction pump to be automatically closed; when the water level reaches a certain height, the liquid level switch sends a corresponding signal to the PLC controller, and the PLC controller controls the water suction pump to be automatically started.

As a preferred implementation mode, the PLC selects an intelligent water pump controller of Anhui intelligent environmental protection science and technology Limited, specifically an SM5-A1 series with the model of SM5-A1-2200; the liquid level switch adopts a product of Jiangsu Mike automation instrument company Limited, and the model number of the liquid level switch is MKYC700, and the order number of the liquid level switch is MKYC700-02; the water pump is a product of Nanjing Lanjiang pump industry Co., ltd, and a WQ type submersible sewage pump with the specification of WQ10-10-0.75 and the standard number of 20200824-55 is selected.

In a preferred embodiment, the liquid level switches include a lower liquid level switch 6 for feeding back a stop signal to the water pump, and an upper liquid level switch 7 for feeding back a start signal to the water pump. The upper liquid level switch 7 and the lower liquid level switch 6 are both arranged on the side wall 21 of the water collecting well, and the distance between the lower liquid level switch 6 and the bottom wall 22 of the water collecting well is 15cm-30cm, so that the water suction requirement of the water suction pump is met. The distance between the upper liquid level switch 7 and the bottom wall 22 of the water collecting well is 0.5m-1m, and the distance between the upper liquid level switch 7 and the bottom plate 5 of the elevator foundation pit is 2m-3m.

As a preferable embodiment, a filtering barrel 8 corresponding to the floor drain 4 up and down is arranged in the fire-fighting water collecting well 2, a filtering outlet 81 is arranged on the side wall of the filtering barrel 8, and the cross-sectional size of the filtering barrel 8 is smaller than that of the fire-fighting water collecting pit opening 3. Set up filter vat 8 and floor drain 4 and form two-stage filtration, not only can further guarantee the filter effect, avoid causing the damage to the suction pump, also be convenient for periodic maintenance moreover. During regular maintenance, the filter barrel 8 can be directly taken out, and impurities such as sludge in the filter barrel can be cleaned.

As a preferred embodiment, the bottom wall 22 of the water collecting well is provided with a positioning block 82, and the filter barrel 8 is clamped between the side wall 21 of the water collecting well and the positioning block 82 to prevent the filter barrel from deviating in position in the fire-fighting water collecting chamber 2.

In a preferred embodiment, the bottom wall 22 of the water collecting well is provided with a slope surface larger than 0.05, the filter vat 8 is positioned at a higher part of the slope surface, and the water pump is positioned at a lower part of the slope surface, so as to facilitate the sufficient water pumping.

In a preferred embodiment, the filtering outlet 81 is located on a lower side wall 83 of the filtering barrel 8, and an upper side wall 84 of the filtering barrel 8 is a cylindrical structure with a closed circumference, so that the sewage flowing into the water collecting chamber 2 from the fire fighting can be firstly settled in the filtering barrel 8 and then enter the water suction pump through the filtering outlet 81.

In a preferred embodiment, the upper level switch 7 is located inside the filter vat 8, the upper level switch 7 is mounted on the sump side wall 21 through the upper side wall 84, and the lower level switch 6 is mounted outside the filter vat 8. Because there is the effect of secondary filter, so the inside and outside liquid level of filter vat 8 is or keeping level, or the liquid level in the filter vat 8 is higher than the outside liquid level of filter vat 8, consequently, will go up liquid level switch 7 and set up in filter vat 8, can absolutely guarantee that the suction pump draws water in time, avoid producing the excessive because of local jam. Similarly, the lower liquid level switch 6 is arranged outside the filter vat 8, so as to ensure that the water suction pump can be closed in time and avoid idling.

The present invention is not exhaustive and is well known to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an elevator foundation ditch and fire control sump pit integral structure, includes fire control sump pit (2) that set up under elevator foundation ditch bottom plate (5) of elevartor shaft foundation ditch (1), its characterized in that: relative and as an organic whole pouring structure from top to bottom in sump pit lateral wall (21) of fire control sump pit (2) and elevator foundation pit lateral wall (11) of elevartor shaft foundation pit (1), sump pit diapire (22) and elevator foundation pit lateral wall (11) of fire control sump pit (2) are pouring structure as an organic whole, be provided with floor drain (4) and fire control sump pit opening (3) on elevator foundation pit bottom plate (5), be provided with fire control sump pit apron (31) on fire control sump pit opening (3), be provided with the suction pump in fire control sump pit (2), the suction pump is connected with liquid level switch through the PLC controller.

2. The integrated structure of the elevator foundation pit and the fire-fighting water collection pit according to claim 1, characterized in that: the liquid level switch comprises a lower liquid level switch (6) feeding back a stop signal to the water suction pump, and an upper liquid level switch (7) feeding back a starting signal to the water suction pump, wherein the upper liquid level switch (7) and the lower liquid level switch (6) are both arranged on the side wall (21) of the water collecting well, the distance between the lower liquid level switch (6) and the bottom wall (22) of the water collecting well is 15cm-30cm, the distance between the upper liquid level switch (7) and the bottom wall (22) of the water collecting well is 0.5m-1m, and the distance between the upper liquid level switch (7) and the bottom plate (5) of the elevator foundation pit is 2m-3m.

3. The integrated structure of the elevator foundation pit and the fire-fighting water collection pit as claimed in claim 2, wherein: the fire-fighting water collecting well (2) is internally provided with a filter barrel (8) which vertically corresponds to the floor drain (4), the side wall of the filter barrel (8) is provided with a filtering outlet (81), and the cross section of the filter barrel (8) is smaller than that of the fire-fighting water collecting pit opening (3).

4. The integrated structure of the elevator foundation pit and the fire-fighting water collection pit according to claim 3, characterized in that: the bottom wall (22) of the water collecting well is provided with a positioning block (82), and the filter barrel (8) is clamped between the side wall (21) of the water collecting well and the positioning block (82).

5. The integrated structure of the elevator foundation pit and the fire-fighting water collection pit as claimed in claim 4, wherein: sump pit diapire (22) are provided with the slope face that is greater than 0.05, filter vat (8) are located the higher department of slope face, the suction pump is located the lower department of slope face.

6. The integrated structure of the elevator foundation pit and the fire fighting water collection pit according to any one of claims 3 to 5, wherein: the filtering outlet (81) is positioned on the lower side wall (83) of the filtering barrel (8), and the upper side wall (84) of the filtering barrel (8) is of a cylindrical structure with a closed circumferential direction.

7. The integrated structure of the elevator foundation pit and the fire-fighting water collection pit according to claim 6, characterized in that: the upper liquid level switch (7) is positioned in the filter barrel (8), the upper liquid level switch (7) penetrates through the upper side wall (84) to be installed on the side wall (21) of the water collecting well, and the lower liquid level switch (6) is installed outside the filter barrel (8).

8. The integrated structure of the elevator foundation pit and the fire fighting water collection pit according to any one of claims 1-5 and 7, wherein: the fire-fighting water collecting pit cover plate (31) is a stainless steel cover plate or a concrete cover plate with a handle.