CN212835459U

CN212835459U - Interim drainage system of foundation ditch

Info

Publication number: CN212835459U
Application number: CN202021191241.6U
Authority: CN
Inventors: 寸小娟; 马敏; 黄胜云
Original assignee: Shanghai River Construction Co ltd
Current assignee: Shanghai River Construction Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-30
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to an interim drainage system of foundation ditch belongs to foundation ditch drainage technology field, and it includes drainage well and catch basin, and drainage well and catch basin all are located the bottom of foundation ditch, and catch basin and drainage well intercommunication, are provided with the suction pump in the catch basin, and the suction pump intercommunication has the drain pipe, and the one end that the suction pump was kept away from to the drain pipe is located the top of foundation ditch, and the top of slope of foundation ditch is provided with the drainage ditch, and the drainage ditch is seted up in the two symmetrical tops of slope of foundation ditch length direction, and the one end of drainage ditch is provided with the subassembly that slowly flows, and the subassembly intercommunication that slowly flows has the pump drainage subassembly that takes out the water in the subassembly, the utility model discloses have the stability of guaranteeing the foundation ditch, reduce the operating time of water pump, reduce the effect of staff's work.

Description

Interim drainage system of foundation ditch

Technical Field

The utility model belongs to the technical field of the technique of foundation ditch drainage and specifically relates to a interim drainage system of foundation ditch is related to.

Background

The foundation trench refers to the trench bottom width of only along the basement excavation of strip foundation within 3 meters, and the trench length is greater than the slot of 3 times trench width, at the in-process of foundation trench excavation, excavation ground is less than groundwater water level often appears, thereby make continuous infiltration groundwater in the foundation trench, can have the rainwater to accumulate in overcast and rainy day and the inslot, in case this kind of condition appears and may lead to the foundation trench to appear side slope unstability, phenomenons such as quicksand, the bearing capacity of ground can be reduced with the piping to the bottom uplift even can appear in serious time, foundation trench drainage system is for discharging and the ponding and the rainwater in the inslot, in order to ensure that the foundation trench is interior not ponding during the construction.

The existing Chinese patent with reference to publication number CN204898698U discloses a foundation pit drainage system, which comprises a drainage well and a water collecting ditch, wherein a plurality of water collecting ditches are arranged and are communicated with the drainage well, the drainage well and the water collecting ditch are arranged below a foundation pit bottom plate, the upper end of the drainage well is communicated with a steel drainage cylinder, the upper end of the steel drainage cylinder extends out of the upper part of the foundation pit, a water suction pump is arranged in the drainage well, the water outlet of the water suction pump is connected with a water suction pipeline, and the water outlet of the water suction pipeline extends out of the upper end of the steel drainage cylinder; still be provided with the steel sheet net well lid in the drainage well, the steel sheet net well lid is located the suction pump top, and the steel sheet net well lid place plane is less than the export water place plane of catch basin, starts the suction pump during the use, and the water in the drainage well is taken out through the drinking-water pipe to the suction pump, at the effective drainage of the overall process homoenergetic of concrete placement construction.

The above prior art solutions have the following drawbacks: above-mentioned technical scheme can take out the water in the foundation ditch, and when overcast and rainy weather, probably there is a large amount of rainwater to leave through the lateral wall of foundation ditch, and a large amount of rainwater is irritated into the foundation ditch in, influences the stability of foundation ditch internal building, has increased the operating time of water pump simultaneously, has increased staff's work load.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interim drainage system of foundation ditch sets up the water cut-off device at the top of a slope of foundation ditch, prevents that the rainwater from getting into and the inslot, improves the waterproof performance of foundation ditch when guaranteeing drainage performance, reaches the stability of guaranteeing the foundation ditch, reduces the operating time of water pump, reduces the effect of staff's work load simultaneously.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an interim drainage system of foundation ditch, including drainage shaft and catch basin, drainage shaft and catch basin all are located the bottom of foundation ditch, and catch basin and drainage shaft intercommunication, be provided with the suction pump in the catch basin, the suction pump intercommunication has the drain pipe, the one end that the suction pump was kept away from to the drain pipe is located the top of foundation ditch, the top of slope of foundation ditch is provided with the drainage ditch, the drainage ditch is seted up in the two symmetrical top of slope of foundation ditch length direction, the one end of drainage ditch is provided with slowly flows the subassembly, slowly flow the subassembly intercommunication and have the pump drainage subassembly of taking out the water that will slowly flow in the subassembly.

Through adopting above-mentioned technical scheme, during overcast and rainy weather, the setting of drainage ditch can carry out the drainage with the water of earth's surface flow direction basal trough and drain away, when the precipitation is big, the setting of slow flow subassembly can reduce the drainage pressure of drainage ditch, use the pump drainage subassembly to carry out the pump drainage with the water of slow flow subassembly simultaneously, the rainwater that directly descends in the basal trough collects in the drain through the catch bowl, water in using suction pump and drain pipe to take away the drain in with the drain, the protection basal trough does not receive the erosion of rainwater, guaranteed to practice thrift stability, the operating time of reduction water pump, reduce the effect of staff's work load simultaneously.

The utility model discloses further set up to: the slow flow component comprises a water collecting well and a protective cover, the water collecting well is arranged at one end of the drainage ditch and communicated with the drainage ditch, and the protective cover is fixedly connected above the water collecting well.

Through adopting above-mentioned technical scheme, when rainfall is great, the drainage ditch can not be timely with near rainwater drainage way's irrigation canals and ditches, the rainwater that can temporarily store up of setting up of sump pit has guaranteed the stability of foundation ditch, and staff's safety can be guaranteed in the setting of protective cover, has reached the effect of guaranteeing foundation ditch stability.

The utility model discloses further set up to: the pump drainage assembly comprises a pump drainage pump and a pump drainage pipe, the pump drainage pump is located at the bottom end of the water collecting well, the pump drainage pipe is communicated with the pump drainage pump, and one end, far away from the pump drainage pump, of the pump drainage pipe is communicated with a nearby river channel.

Through adopting above-mentioned technical scheme, the pump drainage pump is opened to the pump drainage subassembly when using, will catch water the ditch of nearby of rainwater pump drainage in the well through the pump drainage pipe, has reached the stability of having guaranteed the foundation ditch when guaranteeing the sump pit stability.

The utility model discloses further set up to: and a water retaining wall is arranged on the top slope of the foundation trench, is positioned on one side of the drainage channel close to the bottom of the foundation trench, and is fixedly arranged on two side walls in the length direction of the foundation trench.

Through adopting above-mentioned technical scheme, when rainfall is enough big, drainage ditch, slow flow subassembly and pump drainage subassembly simultaneous working all can not in time be with the rainwater of basic groove top of slope when removing, the setting up of breakwater can guarantee that the rainwater of basic groove top of slope can not flow to the basic inslot through the lateral wall of basic groove, has reached the effect of guaranteeing the basic groove stability.

The utility model discloses further set up to: the gravel layer is laid at the bottom end of the water collecting well, and the pumping and draining pump is positioned above the gravel layer.

Through adopting above-mentioned technical scheme, when using the rainwater in the pump drainage sump pit, the setting up of metalling can prevent that the pump drainage pump from taking away the silt in the sump pit, has guaranteed the job stabilization nature of pump drainage pump to the stability of pump drainage subassembly has been guaranteed.

The utility model discloses further set up to: the circumference lateral wall of sump pit is provided with the reinforcement subassembly, and the reinforcement subassembly includes reinforcing ring and inserted bar, and the reinforcing ring is provided with a plurality ofly, the circumference outer wall of reinforcing ring and the inner wall butt of sump pit, the vertical setting of inserted bar, reinforcing ring equidistance fixed connection in the length direction of inserted bar.

Through adopting above-mentioned technical scheme, the setting of reinforcement subassembly can prevent that long-time rainfall rainwater from soaking the sump pit and leading to the sump pit to loosen and collapse, and the setting of reinforcement subassembly can prevent that the sump pit from collapsing, has guaranteed pump drainage subassembly job stabilization nature.

The utility model discloses further set up to: diversion channels are formed in two side walls of the length direction of the foundation trench, the top end of each diversion channel is located at the top of the slope of the foundation trench and is located on one side, close to the foundation trench, of the water retaining wall, and the bottom end of each diversion channel is communicated with the water collecting channel.

Through adopting above-mentioned technical scheme, during the rainfall rainwater can flow to the catch basin in through the guiding gutter, in rethread catch basin flow direction drain well, then use suction pump and drain pipe to carry out the pump drainage, reached the possibility that prevents foundation ditch lateral wall soil erosion and water loss, reached the effect of protection foundation ditch.

The utility model discloses further set up to: the protective cover is of a net structure and is matched with the water collecting well.

Through adopting above-mentioned technical scheme, network structure's protective cover when guaranteeing that the staff can not receive the sump pit threat, the rainwater can also play better unhurried current effect in the protective cover flow direction sump pit, has reached the effect of guaranteeing foundation ditch stability.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the drainage ditch can drain rainwater on the top of the foundation trench, the top end of the water retaining wall is higher than the upper surface of the top of the foundation trench, so that the rainwater is prevented from flowing into the foundation trench, and the water retaining wall can prevent the rainwater from flowing into the foundation trench, so that the effect of ensuring the stability of the foundation trench is achieved;

2. the slow flow component and the pumping drainage component are arranged to drain and pump rainwater outside the slope top of the foundation pit, so that the rainwater is prevented from flowing into the foundation pit, the working time of the water pump is reduced, and the workload of workers is reduced;

3. the arrangement of the gravel layer can prevent the pumping and drainage pump from pumping away the sediment in the sump well during operation, and the effect of ensuring the working efficiency of the pumping and drainage pump is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial cross-sectional view showing a suction pump and a drain pipe;

FIG. 3 is a partial cross-sectional view of the reinforcement assembly;

in the figure, 1, a drainage well; 11. a water pump; 12. a drain pipe; 2. a water collecting ditch; 3. a base groove; 4. a drainage ditch; 5. a slow flow component; 51. a water collecting well; 511. a crushed stone layer; 52. a protective cover; 6. a pumping and draining assembly; 61. a pump-out pump; 62. a tube drawing and discharging tube; 7. a water retaining wall; 8. a reinforcement assembly; 81. reinforcing rings; 82. inserting a rod; 9. a water diversion groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the temporary drainage system of the foundation trench disclosed by the present invention, comprising a drainage well 1 and a water collection trench 2, wherein the drainage well 1 is arranged at the central position of the bottom of the foundation trench 3, the water collection trench 2 is arranged in the circumferential direction of the bottom of the foundation trench 3, the water collection trench 2 is communicated with the drainage well 1, a water suction pump 11 is arranged in the drainage well 1, the water suction pump 11 is communicated with a drainage pipe 12, one end of the drainage pipe 12 away from the water suction pump 11 is led into a ditch outside the foundation trench 3, drainage trenches 4 are arranged on two symmetrical slope tops in the length direction of the foundation trench 3, one end of each drainage trench 4 is communicated with a slow flow component 5 (refer to fig. 3), a pumping component 6 (refer to fig. 3) for pumping rainwater in the slow flow component 5 is arranged in the slow flow component 5, when rainfall occurs, water in the foundation trench 3 flows into the drainage well 1 through the water collection trench 2, the water suction pump 11 and, drainage ditch 4 sets up the rainwater that can carry out the drainage with 3 hilltops of foundation ditch, prevents the rainwater backward flow with rainwater drainage to near irrigation canals and ditches, and when rainfall was great, the setting of slow flow subassembly 5 can reduce drainage pressure of drainage ditch 4, and the water of reuse pump drainage subassembly 6 in with slow flow subassembly 5 is pumped drainage, has guaranteed foundation ditch 3's stability, has reduced the operating time of water pump simultaneously, has reduced staff's work load.

Referring to fig. 3, slow flow subassembly 5 includes sump 51 and protective cover 52, sump 51 and 4 intercommunications of drainage ditch and the one end that is located drainage ditch 4, protective cover 52 fixed connection is in sump 51 top, sump 51 has laid metalling 511 in the bottom, protective cover 52 is network structure, when drainage ditch 4 can not lead the rainwater to near irrigation canals and ditches completely when rainfall is great, sump 51 set up can be temporary store the rainwater and prevent rainwater flow direction base tank 3 in, network structure's protective cover 52 is when guaranteeing staff's safety, can also guarantee that rainwater can flow to sump 51 in through protective cover 52, metalling 511 sets up and can prevent pump drainage subassembly 6 from pumping the silt at the bottom of sump 51, the stability of pump drainage subassembly 6 work has been guaranteed, the effect of base tank 3 stability has been reached.

Referring to fig. 3, the pumping and draining assembly 6 comprises a pumping and draining pump 61 and a pumping and draining pipe 62, the pumping and draining pump 61 is located in the water collecting well 51, the pumping and draining pump 61 is placed above the gravel layer 511, one end of the pumping and draining pipe 62 is communicated with one end of the pumping and draining pump 61 to lead to a ditch nearby, the water of the water collecting well 51 can be pumped and drained in time by the arrangement of the water pumping pump 11, the stability of the water collecting well 51 is ensured, and meanwhile, the stability of the slow flow assembly 5 is ensured.

Referring to fig. 1 and 2, 3 length direction bisymmetry hilltops of foundation ditch 3 are provided with breakwater 7, breakwater 7 is located drainage ditch 4 and is close to one side at 3 centers of foundation ditch, the top of breakwater 7 is higher than the upper surface at 3 hilltops of foundation ditch, when rainfall is very big, drainage ditch 4, when slowing stream subassembly 5 and pump drainage subassembly 6 can not in time be with the rainwater pump drainage, the setting of breakwater 7 can prevent rainwater flow direction and inslot, the stability of foundation ditch 3 has been guaranteed, the operating time of suction pump 11 has been reduced simultaneously.

Referring to fig. 2, the diversion trench 9 has been seted up to the foundation ditch 3 lateral wall, and the top of diversion trench 9 communicates with the top of slope of foundation ditch 3, and the top of diversion trench 9 is located one side that waterwall 7 is close to the foundation ditch 3 center, and the bottom of diversion trench 9 communicates with catch basin 2, and in overcast and rainy day, the rainwater can flow to catch basin 2 through diversion trench 9 in, has reduced the soil erosion and water loss of foundation ditch 3 lateral wall, has guaranteed the stability of foundation ditch 3.

Referring to fig. 3, be provided with in the sump pit 51 and consolidate subassembly 8, consolidate subassembly 8 and include reinforcing ring 81 and inserted bar 82, reinforcing ring 81 is provided with a plurality ofly, and reinforcing ring 81's circumference outer wall and sump pit 51's inner wall butt, inserted bar 82 is provided with a plurality ofly, inserted bar 82 equidistance fixed connection is in reinforcing ring 81's circumference, reinforcing ring 81 equidistance fixed connection is in the length direction of inserted bar 82, the stability of sump pit 51 has been guaranteed in setting up of consolidating subassembly 8, the stability of subassembly 5 that slowly flows has been guaranteed simultaneously.

The implementation principle of the embodiment is as follows: during rainfall, the rainwater of 3 lateral walls of foundation ditch passes through in the diversion trench 9 flow direction catch basin 2, rethread catch basin 2 flow direction drainage well 1, then use suction pump 11 and drain pipe 12 to discharge water, the rainwater on 3 hillsides of foundation ditch passes through catch basin 4 and leads the rainwater to near irrigation canals and ditches, when rainfall is great, the pressure of drainage of catch basin 4 can be reduced in the setting of slow flow subassembly 5 and pump drainage subassembly 6, finally use pump drainage pump 61 and pump drainage pipe 62 to pump drainage the rainwater in the catch basin 51, when the rainfall is very big, the setting of breakwater 7 can prevent that the rainwater from flowing to foundation ditch 3, the foundation ditch 3 stability of having reached assurance, reduce staff's work load simultaneously, reduce suction pump 11 operating time's effect.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a temporary drainage system of foundation ditch, includes drainage well (1) and catchment ditch (2), drainage well (1) and catchment ditch (2) all are located the bottom of foundation ditch (3), and catchment ditch (2) and drainage well (1) intercommunication, are provided with suction pump (11) in catchment well (51), and suction pump (11) intercommunication has drain pipe (12), and the one end that suction pump (11) were kept away from in drain pipe (12) is located the top of foundation ditch (3), its characterized in that: the slope top of foundation ditch (3) is provided with drainage ditch (4), and drainage ditch (4) are seted up in foundation ditch (3) length direction's two symmetrical slope tops, and the one end of drainage ditch (4) is provided with unhurried current subassembly (5), and unhurried current subassembly (5) intercommunication has pump drainage subassembly (6) of taking out the water in unhurried current subassembly (5).

2. A foundation pit temporary drainage system according to claim 1, wherein: slowly flow subassembly (5) including sump pit (51) and protective cover (52), sump pit (51) are seted up in the one end of drainage ditch (4) and are communicated with drainage ditch (4), and protective cover (52) fixed connection is in the top of sump pit (51).

3. A foundation pit temporary drainage system according to claim 2, wherein: the pumping and draining assembly (6) comprises a pumping and draining pump (61) and a pumping and draining pipe (62), wherein the pumping and draining pump (61) is located at the bottom end of the water collecting well (51), the pumping and draining pipe (62) is communicated with the pumping and draining pump (61), and one end, far away from the pumping and draining pump (61), of the pumping and draining pipe (62) is communicated with a nearby river channel.

4. A foundation pit temporary drainage system according to claim 1, wherein: and a water retaining wall (7) is arranged on the top slope of the base groove (3), the water retaining wall (7) is positioned on one side of the drainage channel (4) close to the bottom of the base groove (3), and the water retaining wall (7) is fixedly arranged on two side walls of the base groove (3) in the length direction.

5. A foundation pit temporary drainage system according to claim 2, wherein: and a gravel layer (511) is laid at the bottom end of the water collecting well (51), and the pumping and draining pump (61) is positioned above the gravel layer (511).

6. A foundation pit temporary drainage system according to claim 2, wherein: the circumference lateral wall of sump pit (51) is provided with reinforcement subassembly (8), and reinforcement subassembly (8) are provided with a plurality ofly including reinforcing ring (81) and inserted bar (82), reinforcing ring (81), the circumference outer wall of reinforcing ring (81) and the inner wall butt of sump pit (51), and inserted bar (82) vertical setting, reinforcing ring (81) equidistance fixed connection are in the length direction of inserted bar (82).

7. The foundation trench temporary drainage system of claim 4, wherein: diversion channels (9) are formed in two side walls of the length direction of the base groove (3), the top end of each diversion channel (9) is located on the top of the slope of the base groove (3) and located on one side, close to the base groove (3), of the water retaining wall (7), and the bottom end of each diversion channel is communicated with the water collecting ditch (2).

8. A foundation pit temporary drainage system according to claim 2, wherein: the protective cover (52) is of a net structure and is matched with the water collecting well (51).