Efficient drainage structure for foundation pit slope
Technical Field
The application relates to the field of foundation pit side slope drainage technology, in particular to a foundation pit side slope efficient drainage structure.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, and a side slope is formed in the foundation pit construction process, so that constructors can use a supporting structure to support and protect the side slope and can also set a drainage structure to drain water so as to reduce the condition that the side slope is loosened due to rainwater erosion and infiltration and reduce the stability of the side slope support to support and protect the side slope.
The current chinese patent with patent application number CN201620788736.4 proposes a side slope drainage structure, including drainage channel, drainage inner tube and filter layer, drainage inner tube detachable inserts and arranges in drainage channel and the front end exposes drainage channel's front end, and has seted up first hole of permeating water on this drainage inner tube, the filter layer is arranged in drainage channel and the periphery of cladding in the drainage inner tube, still including the drainage outer tube that has the second hole of permeating water, this drainage outer tube inserts and arranges in drainage channel and the periphery of cover arrangement filter layer in, filter layer detachable presss from both sides and arranges in between drainage inner tube and the drainage outer tube.
Aiming at the related technologies, the inventor thinks that the inner drainage pipe and the outer drainage pipe are inserted in the drainage channel, the outer drainage pipe and the opening of the drainage channel are fixed through a cement layer, but because a gap is arranged between the inner drainage pipe and the outer drainage pipe, the inner drainage pipe and the drainage channel are not firmly connected, the inner drainage pipe is easy to fall off from the drainage channel in the later use process, the drainage structure is not fastened, and the defect of incomplete drainage function exists.
SUMMERY OF THE UTILITY MODEL
In order to improve the unstable problem of drainage inner tube and side slope connection, this application provides a foundation ditch side slope efficient drainage structures.
The application provides a foundation ditch side slope efficient drainage structures adopts following technical scheme:
a foundation pit side slope efficient drainage structure relates to the field of foundation pit side slope drainage technology and comprises a drainage outer pipe and a drainage inner pipe, wherein a plurality of drainage holes are formed in a side slope body, the drainage outer pipe is inserted in the drainage holes, a plurality of drainage holes are formed in the drainage outer pipe in a penetrating manner, the outer end of the drainage outer pipe is provided with a connecting ring, the connecting ring is fixedly connected with the side slope body, the drainage inner pipe is installed in the drainage outer pipe, the drainage inner pipe is provided with a plurality of filter holes in a penetrating manner, the outer end of the drainage inner pipe is fixedly connected with an installation ring, the connecting ring is provided with a clamping groove which penetrates through the inner wall of the connecting ring, the installation ring is clamped in the clamping groove, the connecting ring is symmetrically provided with sliding grooves on the inner wall of the clamping groove, inserting rods are arranged in the two sliding grooves in a sliding manner, and the clamping holes are symmetrically formed in the installation ring, one end of the insertion rod is clamped in the clamping hole.
By adopting the technical scheme, after the drainage outer pipe is inserted in the drainage hole of the side slope body, the drainage inner pipe is inserted in the drainage outer pipe, after the side slope body is sprayed with concrete and fixed, the drainage outer pipe is fixed on the side slope body, the mounting ring fixedly connected with the drainage inner pipe is clamped in the clamping groove of the connecting ring fixedly connected with the drainage outer pipe, the inserting rod in the connecting ring is inserted in the clamping hole of the mounting ring, the inserting rod limits the movement of the mounting ring in the clamping hole, the symmetrically arranged inserting rods clamp the mounting ring, the mounting ring is further stably installed in the clamping groove of the connecting ring, the drainage inner pipe is connected and fastened with the drainage outer pipe, and therefore underground water in the side slope body is discharged through the drainage hole of the drainage outer pipe and the filtration hole of the drainage inner pipe.
Optionally, two fixed rings are fixedly connected to the inner portions of the chutes, sliding holes are formed in the fixed rings in a penetrating mode, one ends of the insertion rods penetrate through the sliding holes, limiting blocks are fixedly connected to the other ends of the insertion rods, elastic connecting pieces are arranged between the limiting blocks and the fixed rings, and driving pieces for driving the insertion rods to slide in the chutes are arranged on the connecting rings.
Through adopting above-mentioned technical scheme, the spliced pole passes the slide opening on solid fixed ring, slides in solid fixed ring's slide opening, gu fixed ring passes through the slide opening promptly and restricts the direction of movement of spliced pole at the spout, plays the guide effect to the spliced pole, and is connected through elastic connection spare between the stopper of spliced pole tip and the solid fixed ring, consequently when the spliced pole removes in the spout under the effect of driving piece, the spliced pole can not break away from the go-between all the time.
Optionally, the driving piece sets up to the actuating lever, the collar in waist type groove has been seted up to the inner wall of spout, waist type groove runs through the collar terminal surface, actuating lever sliding connection be in waist type inslot, the one end of actuating lever with stopper side fixed connection, the other end of actuating lever passes waist type groove.
Through adopting above-mentioned technical scheme, the tip that the actuating lever passed waist type groove is located the outer terminal surface of go-between, and the removal of the grafting pole in the control connection ring can be controlled through the removal of control actuating lever outside the go-between promptly to make the grafting pole realize with the connection and the separation of collar, the simple operation.
Optionally, the elastic connecting piece is a spring, the spring is sleeved on the insertion rod, and two ends of the spring are respectively far away from the end face of the mounting ring and the side face of the limiting block close to the fixing ring.
Through adopting above-mentioned technical scheme, the stopper of spring with the grafting rod tip is connected with the solid fixed ring in the spout, the actuating lever outside the drive go-between, make the actuating lever remove in solid fixed ring's slide opening, the spring is stretched, the grafting rod shifts out from the spliced opening promptly, the separation of realization drainage inner tube and drainage outer tube can be taken out from the joint inslot of go-between to the collar, when the spring is tensile, the actuating lever is when the link, with the collar joint in the joint inslot of go-between, loosen the actuating lever, the actuating lever can be in the joint of collar downthehole under the rebound effect of spring, realize the fixed of drainage inner tube and drainage outer tube.
Optionally, the drainage hole is arranged towards the slope body of the side slope in an inclined mode.
By adopting the technical scheme, the drain hole is obliquely arranged, and the underground water permeates into the drainage inner pipe through the filter hole and flows out to the opening of the drainage inner pipe under the action of gravity, so that the accumulation is avoided, and the drainage efficiency is accelerated.
Optionally, the driving rod penetrates through the end of the waist-shaped groove and is fixedly connected with a grab handle.
Through adopting above-mentioned technical scheme, the grab handle sets up the area of contact of increase and actuating lever, is convenient for remove the operation to the actuating lever.
Optionally, the opening diameter of the inner drainage pipe is smaller than that of the outer drainage pipe, and the inner drainage pipe is coated with filter cloth.
By adopting the technical scheme, the underground water enters the gap between the outer drainage pipe and the inner drainage pipe after passing through the drainage hole of the outer drainage pipe, and then enters the inner drainage pipe after being filtered by the filter cloth, the filter cloth separates silt and the like carried by the infiltrated underground water on the filter cloth, so that the filter holes of the inner drainage pipe are prevented from being blocked, and the filter cloth can be replaced after the inner drainage pipe is taken out from the outer drainage pipe.
Optionally, a pebble pile is arranged around the drainage hole.
Through adopting above-mentioned technical scheme, the pebble heap sets up the holding power that increases the soil around the drainage outer tube, and the clearance between the pebble is defecated and is gathered around the drainage outer tube and get into the drainage inner tube through the drain pipe and discharge in groundwater.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the mounting ring at the end part of the drainage inner pipe is clamped on the connecting ring at the end part of the drainage outer pipe, the inserting rod in the connecting ring is clamped in the inserting hole of the mounting ring, and the mounting ring and the connecting ring are fixed by the inserting rod, so that the drainage inner pipe is stably connected with the drainage outer pipe;
2. the peg graft pole passes through the solid fixed ring elastic connection in spring and the spout, and the go-between is passed to the one end of the stopper fixed connection's of peg graft pole tip actuating lever, and the removal of control actuating lever outside the go-between can control the spout in-plug pole and the joint and the separation of collar, realizes dismantling of collar and go-between to be connected, and the drainage inner tube of being convenient for is installed in the drainage outer tube and is taken out.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an exploded view of a slope body, an outer drainage pipe and an inner drainage pipe in an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a connection ring, a limiting block, an insertion rod, a fixing ring and a mounting ring in the embodiment of the present application;
fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Reference numerals: 1. filtering cloth; 2. an outer drainage pipe; 3. a drainage inner pipe; 4. a water drain hole; 5. a drain hole; 6. filtering holes; 7. a connecting ring; 8. a mounting ring; 9. a clamping groove; 10. a plug rod; 11. a chute; 12. a clamping hole; 13. a fixing ring; 14. a slide hole; 15. a limiting block; 16. a drive rod; 17. a waist-shaped groove; 18. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses foundation ditch side slope efficient drainage structures. Referring to fig. 1 and 2, foundation ditch side slope efficient drainage structures includes drainage outer tube 2 and drainage inner tube 3, through soil nail fixedly connected with reinforcing bar net on the side slope body 1, and a plurality of outlet 4 have been seted up on the side slope body, a plurality of outlet 4 rectangle arrangement sets up on the side slope body, be provided with the cobble heap around outlet 4, the soil clearance around cobble heap increase outlet 4, increase groundwater flow space, make groundwater change the infiltration get into in outlet 4, outlet 4 sets up towards slope body bottom slope, the groundwater of the infiltration entering of being convenient for is discharged to the side slope body outward, accelerate drainage efficiency, reduce the long-pending.
Drainage outer tube 2 pegs graft in outlet 4, 2 tip fixedly connected with go-between 7 of drainage outer tube, go-between 7 is close to the side of drainage outer tube 2 and the domatic butt of side slope body, after reinforcing bar net on the side slope body sprays concrete and fixes, 2 orificial go-between 7 of drainage outer tube and side slope body pass through concrete layer and fix, drainage inner tube 3 is installed in drainage outer tube 2, 3 tip fixedly connected with collar 8 of drainage inner tube, joint groove 9 has been seted up on go-between 7, the diameter size of joint groove 9 is greater than the diameter size of collar 8, joint groove 9 runs through the inner wall of go-between 7, 8 joints of collar are in joint groove 9, the lateral surface of collar 8 and the inner wall butt of joint groove 9.
A plurality of drain holes 5 are formed in the outer drainage pipe 2 in a penetrating mode, filtering holes 6 are formed in the inner drainage pipe 3 in a penetrating mode, the opening diameter of each drain hole 5 is larger than that of each filtering hole 6, the inner drainage pipe 3 is coated with filter cloth 1, after groundwater in a side slope body permeates into the corresponding drainage hole 4, the groundwater enters a gap formed by the inner drainage pipe 3 and the outer drainage pipe 2 through the corresponding drain hole 5 in the outer drainage pipe 2, and after being filtered through the filter cloth 1, the groundwater enters the inner drainage pipe 3 through the corresponding filtering hole 6 and is discharged out of the side slope body 1.
Refer to fig. 3 and fig. 4, spout 11 has been seted up in the inner wall symmetry of joint groove 9 to go-between 7, spout 11 sets up along vertical direction, it is provided with peg graft pole 10 all to slide in two spout 11, the solid fixed ring 13 of equal fixedly connected with in two spout 11, it is provided with slide opening 14 to run through on the fixed ring 13, the opening diameter size of slide opening 14 is greater than the diameter size of peg graft pole 10 terminal surface, two peg graft pole 10 slide respectively and set up in two spout 11, and peg pole 10's one end passes slide opening 14, peg pole 10's other end fixedly connected with stopper 15, stopper 15 is the cake form, and stopper 15's diameter size is greater than the opening diameter size of slide opening 14, be provided with flexible connecting piece between stopper 15 and the solid fixed ring 13.
Elastic connection spare sets up to spring 18, spring 18's diameter size is greater than the opening diameter size of slide opening 14 and is less than the diameter size of stopper 15, spring 18 cover is established outside grafting pole 10, and spring 18's both ends respectively with solid fixed ring 13 keep away from the terminal surface of collar 8 and stopper 15 side near solid fixed ring 13, joint hole 12 has been seted up to the symmetry on the collar 8, when spring 18 is in natural stretching state, grafting pole 10 passes the tip grafting of slide opening 14 in the joint hole 12 of collar 8, and the terminal surface of grafting pole 10 and the inner wall butt in joint hole 12, be provided with on the go-between 7 and be used for driving grafting pole 10 gliding driving piece in spout 11.
The driving piece is set as a driving rod 16, the mounting ring 8 is provided with a waist-shaped groove 17 on the inner wall of the sliding groove 11, the central line of the waist-shaped groove 17 is perpendicular to the central line of the sliding groove 11, the waist-shaped groove 17 penetrates through the end face of the connecting ring 7, the driving rod 16 is slidably connected in the waist-shaped groove 17, the length of the driving rod 16 is greater than the opening depth of the waist-shaped groove 17, one end of the driving rod 16 is fixedly connected with the side face of the limiting block 15, the other end of the driving rod 16 penetrates through the waist-shaped groove 17, the end part of the driving rod 16 penetrating through the waist-shaped groove 17 is fixedly connected with a handle, the handle is provided to conveniently control the driving rod 16 to move up and down in the waist-shaped groove 17, so as to drive the limiting block 15 fixedly connected with the driving rod 16 to move in the sliding groove 11, namely drive the inserting rod 10 to move in the sliding groove 11, when the end part of the inserting rod 10 is clamped in the clamping hole 12 of the mounting ring 8, the circumferential wall of the driving rod 16 is abutted against the inner wall of the bottom of the waist-shaped groove 17, the driving rod 16 is slid upwards, the spring 18 is stretched, the end part of the insertion rod 10 is separated from the clamping hole 12, and then the mounting ring 8 can be taken out from the connecting ring 7, and the filter cloth 1 outside the drainage inner pipe 3 is replaced.
The implementation principle of a foundation ditch side slope efficient drainage structures of this application embodiment is: the drainage outer tube 2 is pegged graft in outlet 4 and fixed back, promote actuating lever 16 to the upper end inner wall butt with waist type groove 17, spring 18 is stretched, peg graft pole 10 is located go-between 7's spout 11 completely, the drainage outer tube 2 is inserted to the drainage inner tube 3 that the cladding has filter cloth 1, the joint of collar 8 is in the joint groove 9 of go-between 7, and spout 11 and joint hole 12 intercommunication, loosen actuating lever 16, peg graft pole 10 is in joint 12 under spring 18's resilience effect promptly, peg graft pole 10 is fixed collar 8 and go-between 7, otherwise, collar 8 is kept away from to actuating lever 16, spring 18 is stretched, peg graft pole 10 is located go-between 7 completely, can take out drainage inner tube 3 from drainage outer tube 2, and then clear up or change filter cloth 1.
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.