CN218466553U

CN218466553U - Energy-saving drainage structure for foundation pit construction

Info

Publication number: CN218466553U
Application number: CN202222951821.6U
Authority: CN
Inventors: 李娟�; 梁建; 张蕾; 曾宪同; 吴俊�
Original assignee: Hubei Zhonglan Industrial Group Co ltd
Current assignee: Hubei Zhonglan Industrial Group Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-02-10
Anticipated expiration: 2032-11-03

Abstract

The application discloses energy-conserving drainage structures is used in foundation ditch construction relates to foundation ditch drainage technology field, and its technical scheme includes: locate a fender pole and drainage subassembly in the foundation ditch, a fender pole butt is used for supporting the foundation ditch lateral wall at the foundation ditch lateral wall, the drainage subassembly includes escape canal, sump pit and water pumper, the escape canal is located the foundation ditch bottom and is followed foundation ditch week side and extend the setting, the sump pit sets up in the escape canal and the undercut setting, the water pumper is used for discharging the water in the sump pit, and this application can improve drainage efficiency when using.

Description

Energy-saving drainage structure for foundation pit construction

Technical Field

The application relates to the technical field of foundation pit drainage, in particular to an energy-saving drainage structure for foundation pit construction.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation; before excavation, an excavation scheme is determined according to geological and hydrological data and by combining the conditions of buildings nearby the site, and waterproof drainage work is performed, because when a deep foundation pit is excavated in an area with a high underground water level, a soil water-bearing layer is cut off, underground water can continuously infiltrate into the foundation pit, and quicksand and side slope instability are caused or the bearing capacity of the foundation is reduced. When the deep foundation pit is excavated, a water-bearing layer in a foundation pit slope is cut off, and underground water can continuously seep out from the slope in a large area, so that a slope matrix is lost and deformed, the supporting force of the support is increased, and even the support system can deform and collapse.

At present, a drainage structure of a foundation pit comprises drainage pipes with a plurality of water seepage holes, pipe brackets and a filter layer, wherein a support guard plate is arranged on the side wall of the foundation pit, the cross section of each pipe bracket is V-shaped, the filter layer is arranged at the included angle of the pipe brackets, and the drainage pipes are inserted at the lower parts of the filter layers; the filter layer includes drainage cotton and infiltration layer, is cylindricly after drainage cotton wraps up infiltration layer and drain pipe to the mouth of pipe of drain pipe stretches out foundation ditch slope and a backplate, and the mouth of pipe of drain pipe is to one side bending simultaneously. The lower portion of the pipe orifice of each vertical row of drain pipes is provided with a water collecting tank fixed on the slope of the foundation pit, and the lower end of the water collecting tank extends into the drain ditch.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the supporting and protecting plate supports the side wall of the foundation pit, water on the side wall of the foundation pit can be discharged from the drain pipe only, the water on the side wall of the foundation pit needs to flow into the drain pipe firstly and then is discharged by the drain pipe, and the drainage efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The application provides an energy-conserving drainage structures is used in foundation ditch construction can improve drainage efficiency.

The application provides a pair of energy-conserving drainage structures is used in foundation ditch construction adopts following technical scheme:

the utility model provides an energy-conserving drainage structures is used in foundation ditch construction, is including locating a fender pole and a drainage subassembly in the foundation ditch, a fender pole butt is used for supporting the foundation ditch lateral wall at the foundation ditch lateral wall, the drainage subassembly includes escape canal, sump pit and water pumper, the escape canal is located the foundation ditch bottom and is just extended the setting along foundation ditch week side, the sump pit sets up in the escape canal and the undercut setting, the water pumper is used for discharging the water in the sump pit.

Through adopting above-mentioned technical scheme, support the lateral wall of foundation ditch through strutting the pole, can make the water of foundation ditch lateral wall directly flow through the escape canal then flow to the sump pit again, stretch into the sump pit with the drinking-water pipe of water pumper again, take out to the sump pit in with the water in the sump pit through the water pumper, can improve drainage efficiency.

Optionally, a guard rail is arranged between the adjacent supporting rods, the guard rail is used for supporting the side wall of the foundation pit, and a connecting piece is arranged between the supporting rods and the guard rail.

By adopting the technical scheme, the guard rails between the connected support rods can further support the side wall of the foundation pit, and the collapse of the side wall of the foundation pit is reduced.

Optionally, the connecting piece includes loop bar, threaded rod and thread bush, rectangular groove has been seted up to the rail guard higher authority, and the loop bar sets up at rectangular inslot along the length direction in rectangular groove, the thread bush rotates the one end of connecting at loop bar extension rectangular groove, the one end setting of threaded rod is inboard at the loop bar, just threaded rod and thread bush threaded connection, set up the confession on the bracing piece the slot that the threaded rod penetrated.

By adopting the technical scheme, the threaded sleeve is rotated, so that the threaded rod is displaced towards one side close to the supporting rod in the sleeve rod, and then the threaded rod is inserted into the slot of the supporting rod, and the supporting rod and the protective guard can be conveniently assembled and disassembled.

Optionally, a sliding block is further connected in the elongated groove in a sliding manner, one end of the sliding block is fixedly connected with one end, far away from the support rod, of the loop bar, a spring is arranged between the sliding block and the inside of the elongated groove, and the spring generates an acting force which enables the sliding block to move towards one side close to the protective guard.

Through adopting above-mentioned technical scheme, the sliding block sliding connection that sets up is at rectangular inslot, when adjusting the length between loop bar and the threaded rod, can cushion through the sliding block, make the threaded rod penetrate the slot, and at the in-process of adjusting, make the sliding block support and press the spring, the elastic force that can utilize the spring makes a fender rod be connected more firmly with the rail guard, and then make rail guard and a fender rod more firmly set up on the foundation ditch lateral wall, on the other hand, can the length demand on adaptation scene, the spring can also play the cushioning effect.

Optionally, a water permeable mesh plate is arranged in the guard rail.

Through adopting above-mentioned technical scheme, the otter board that permeates water that sets up can reduce the condition that silt falls into the escape canal on the one hand, and on the other hand can also make the water of foundation ditch lateral wall arrange to the escape canal from the otter board that permeates water, does not influence the drainage efficiency of foundation ditch lateral wall.

Optionally, the lower end of the supporting rod is provided with a conical inserted rod.

Through adopting above-mentioned technical scheme, the toper inserted bar that sets up can make that bracing piece and foundation ditch bottom are connected more firmly.

Optionally, the side wall of the water collecting well is provided with a reinforcing plate.

Through adopting above-mentioned technical scheme, can effectively reduce the condition that sump pit lateral wall collapses and appear.

Optionally, the bottom of the water collecting well is provided with a gravel water filtering layer.

By adopting the technical scheme, the pumping-out of silt can be reduced, and the bottom hole can be effectively prevented from being stirred when water is pumped.

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

1. the supporting rod and the drainage assembly are arranged, the side wall of the foundation pit is supported through the supporting rod, water on the side wall of the foundation pit can directly flow through the drainage ditch and then flow to the water collecting well, the water pumping pipe of the water pump extends into the water collecting well, and water in the water collecting well is pumped into the water collecting well through the water pump, so that the drainage efficiency can be improved;

2. the threaded sleeve is rotated to enable the threaded rod to move towards one side close to the supporting rod in the sleeve rod, so that the threaded rod is inserted into the slot of the supporting rod, and the supporting rod and the protective guard can be conveniently assembled and disassembled;

3. the sliding block and the spring that set up, sliding block sliding connection are at the rectangular inslot, when adjusting the length between loop bar and the threaded rod, can cushion through the sliding block, make the threaded rod penetrate the slot, and at the in-process of adjusting, make the sliding block support and press the spring, can utilize the elastic force of spring to make a fender pole be connected more firm with the rail guard, and then make the rail guard and support the more firm setting of pole on the foundation ditch lateral wall, on the other hand, can adapt to the length demand on scene.

Drawings

Fig. 1 is a schematic overall structure diagram of an energy-saving drainage structure for foundation pit construction according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional structural view of a guard rail and a support rod in an energy-saving drainage structure for foundation pit construction according to an embodiment of the present application, showing a connecting member;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Reference numerals: 1. a foundation pit; 2. a support assembly; 21. a support bar; 210. inserting slots; 211. a tapered plunger; 212. a night warning light; 22. protecting the fence; 220. a long groove; 221. a slider; 222. a spring; 23. a connecting member; 231. a loop bar; 232. a threaded rod; 234. a threaded sleeve; 24. a water permeable net plate; 3. a drainage assembly; 31. a drainage ditch; 32. a water collecting well; 321. a reinforcing plate; 322. breaking stone and filtering water; 33. a water pump; 34. a water collecting tank.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses energy-conserving drainage structures is used in foundation ditch construction, refer to fig. 1, including locating supporting component 2 and the drainage subassembly 3 in foundation ditch 1, supporting component 2 butt is used for supporting foundation ditch 1 lateral wall at foundation ditch 1 lateral wall, and drainage subassembly 3 retrieves foundation ditch 1 lateral wall exhaust water.

Referring to fig. 1, wherein the foundation pit 1 is a trapezoidal platform and the side wall is set to converge from the top to the bottom toward the center of the foundation pit 1, the supporting component 2 includes supporting rods 21 and guard rails 22 disposed between adjacent supporting rods 21, the supporting rods 21 are fixedly mounted on the inclined side wall of the foundation pit 1 through anchor rods, in this embodiment, the guard rails 22 include a plurality of cross rods and a plurality of vertical rods, and the plurality of cross rods and the plurality of vertical rods are fixedly connected, the guard rails 22 abut against the side wall of the foundation pit 1, and a water-permeable mesh plate 24 is disposed on one side of the guard rails 22 away from the side wall of the foundation pit 1, so that water on the side wall of the foundation pit 1 can be discharged along the water-permeable mesh plate 24, and soil can be prevented from falling.

In addition, in order to stably abut the support rod 21 and the guard rail 22 against the side wall of the foundation pit 1 and support the side wall of the foundation pit 1, a connecting member 23 is provided between the support rod 21 and the guard rail 22, referring to fig. 2 and 3, the connecting member 23 includes a loop bar 231, a threaded rod 232, and a threaded sleeve 234, in this embodiment, the guard rail 22 is horizontally provided with a long groove 220, a sliding block 221 is slidably connected in the long groove 220, a spring 222 is provided between the sliding block 221 and the inner wall of the long groove 220, the spring 222 generates an acting force that makes the sliding block move toward the side close to the guard rail 22, one end of the loop bar 231 extends into the long groove 220 and the sliding block 221 and is fixedly connected to the side far from the spring 222, the threaded sleeve 234 is rotatably connected to one end of the loop bar 231 extending out of the long groove 220, one end of the threaded rod 232 is screwed inside the loop bar 231, and the threaded sleeve 232 is screwed to the threaded sleeve 234, the support rod 21 is provided with a slot 210 into which the threaded rod 232 is provided, and the contact block is provided in a circular shape, and the size of the threaded rod 210 is adapted to the slot.

Referring to fig. 2 and 3, after the support rod 21 is fixed to the sidewall of the foundation pit 1, the guard rail 22 is also abutted against the sidewall of the foundation pit 1, so that the sleeve 231 on the guard rail 22 corresponds to the slot 210 on the support rod 21, then the threaded sleeve 234 is rotated outside the sleeve 231, so that the threaded rod 232 in the sleeve 231 is displaced toward the side close to the support rod 21, so that the abutment block is abutted against the inner wall of the slot 210, the sliding block 221 can tightly abut against the spring 222 in the elongated slot 220, the connection piece 23 can firmly connect the support rod 21 and the guard rail 22 by using the elastic restoring force of the spring 222, and the support rod 21 and the guard rail 22 can be tightly arranged against the sidewall of the foundation pit 1, so that the connection is more stable.

In addition, a tapered insertion rod 211 is provided at the lower end of the support rod 21 in order to further secure the connection of the support rod 21. The upper end of the support rod 21 is provided with a night warning lamp 212 which can play a warning role at night, and safety accidents can be reduced.

Referring to fig. 1, the drainage assembly 3 includes a drainage ditch 31, a water collection well 32 and a water pump 33, when the trench or the foundation pit 1 is excavated, the drainage ditch 31 is opened along the bottom of the foundation pit 1, the drainage ditch 31 is extended along the circumferential side of the foundation pit 1, so that water drained from the sidewall of the foundation pit 1 along the water-permeable mesh plate 24 flows into the drainage ditch 31, the water collection well 32 is disposed in the drainage ditch 31 and is recessed downward, the water collection well 32 is disposed along the center of the drainage ditch 31, so that water in the sidewall of the foundation pit 1 flows to the water collection well 32 through the drainage ditch 31, and a water collection pool 34 is disposed on the ground outside the foundation pit 1, in this embodiment, in order to reduce collapse of the sidewall of the water collection well 32, a reinforcing plate 321 is disposed on the sidewall of the water collection well 32, a water pump 33 is disposed on the ground near the foundation pit 1, a water pumping pipe of the water pump 33 extends into the water collection well 32, and a gravel water filtering layer 322 is disposed at the bottom of the water collection well 32, so as to prevent mud from being pumped out, and to prevent water from being stirred. One end part of a drain pipe of the water pump 33 extends into the water collecting tank 34 on the ground, water pumped by the water pump 33 is drained into the water collecting tank 34, and water in the water collecting tank 34 can be used, so that the effects of energy conservation and environmental protection are achieved.

The embodiment of the application provides an energy-conserving drainage structures's for foundation ditch construction implementation principle does: during construction, the drainage ditch 31 is excavated, the water collecting well 32 is excavated at the bottom of the drainage ditch 31, the bottom of the water collecting well 32 is provided with a gravel filtering layer, the reinforcing plate 321 is arranged on the peripheral side of the water collecting well 32 to effectively prevent collapse, the water pumping pipe of the water pump 33 extends into the water collecting well 32, and water in the water collecting well 32 is pumped into the water collecting tank 34 through the water pump 33. In order to further reduce the collapse of the side wall of the foundation pit 1, the side wall of the foundation pit 1 is provided with a support rod 21 and a guard rail 22, and a water-permeable net plate 24 in the guard rail 22 can enable water to flow into a drainage ditch 31.

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: equivalent changes in 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 foundation ditch construction is with energy-conserving drainage structures which characterized in that: including supporting rod (21) and drainage subassembly (3) of locating in foundation ditch (1), supporting rod (21) butt is used for supporting foundation ditch (1) lateral wall at foundation ditch (1) lateral wall, drainage subassembly (3) are including escape canal (31), sump pit (32) and water pumper (33), escape canal (31) are located foundation ditch (1) bottom and are extended the setting along foundation ditch (1) week side, sump pit (32) set up in escape canal (31) and the undercut setting, water pumper (33) are used for discharging the water in sump pit (32).

2. The energy-saving drainage structure for foundation pit construction according to claim 1, wherein: a protective guard (22) is arranged between the adjacent supporting rods (21), the protective guard (22) is used for supporting the side wall of the foundation pit (1), and a connecting piece (23) is arranged between each supporting rod (21) and each protective guard (22).

3. The energy-saving drainage structure for foundation pit construction according to claim 2, wherein: connecting piece (23) are including loop bar (231), threaded rod (232) and thread bush (234), rail guard (22) are improved level and have been seted up rectangular groove (220), and length direction setting along rectangular groove (220) of loop bar (231) is in rectangular groove (220), thread bush (234) are rotated and are connected the one end in loop bar (231) extension department rectangular groove (220), the one end setting of threaded rod (232) is inboard at loop bar (231), just threaded rod (232) and thread bush (234) threaded connection, offer the confession on bracing pole (21) slot (210) that threaded rod (232) penetrated.

4. The energy-saving drainage structure for foundation pit construction according to claim 3, wherein: still sliding connection has sliding block (221) in rectangular groove (220), the one end and loop bar (231) of sliding block (221) are kept away from a pole (21) one end fixed connection, and be provided with spring (222) between sliding block (221) and the inside of rectangular groove (220), spring (222) produce and make the slider to be close to the effort of rail guard (22) one side motion trend.

5. The energy-saving drainage structure for foundation pit construction according to claim 2, wherein: a water permeable net plate (24) is arranged in the guard rail (22).

6. The energy-saving drainage structure for foundation pit construction according to claim 1, wherein: the lower end of the supporting rod (21) is provided with a conical inserted rod (211).

7. The energy-saving drainage structure for foundation pit construction according to claim 1, wherein: the side wall of the water collecting well (32) is provided with a reinforcing plate (321).

8. The energy-saving drainage structure for foundation pit construction according to claim 1, wherein: and a gravel water filtering layer (322) is arranged at the bottom of the water collecting well (32).