CN212612558U

CN212612558U - Foundation pit drainage structure

Info

Publication number: CN212612558U
Application number: CN202021010623.4U
Authority: CN
Inventors: 刘振财; 黄辉; 卓良国
Original assignee: Fujian Heshengda Construction Engineering Co ltd
Current assignee: Fujian Heshengda Construction Engineering Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-02-26
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a foundation ditch drainage structures, including seting up the open drain around the bottom of the foundation ditch hole, the sump pit that links to each other with the open drain is still seted up at the bottom of the foundation ditch hole, the upper end of foundation ditch is equipped with the suction pump, be connected with the drinking-water pipe that extends to in the sump pit on the suction pump, install the header tank in the sump pit, the header tank includes two first curb plates that are parallel to each other and two second curb plates that are parallel to each other, two the water inlet that is linked together with the open drain is all seted up on the second curb plate, two be connected with first bracing piece between the first curb plate, hang the filter frame that supplies the drinking-water pipe to place on the first bracing piece. The utility model has the advantages of improve the sump pit efficiency of drawing water.

Description

Foundation pit drainage structure

Technical Field

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

Background

At present, a foundation pit is an earth pit excavated at a foundation design position according to the base elevation and the base plane size. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed.

Among the prior art foundation ditch 1 drainage structures, as shown in fig. 4, including foundation ditch 1, open drain 2 has been seted up around the foundation ditch 1 bottom of the pit, and open drain 2's trench bottom is equipped with catch basin 3, and during the excavation of foundation ditch 1, groundwater flows to open drain 2 from the underground, flows to catch basin 3 by open drain 2 to take away the water in the catch basin 3 through suction pump 4.

The above prior art solutions have the following drawbacks: when groundwater and the water of drainage open drain 2 assemble to the sump well 3 in, the lateral wall of sump well 3 takes place to collapse easily for remain more silt in the sump well 3, lead to suction pump 4 in the in-process of drawing water, bring the silt in the sump well 3 into in the suction pipe 5 easily, cause the jam of suction pipe 5, reduce the efficiency of drawing water.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a foundation ditch drainage structure, it has the advantage that improves the sump pit efficiency of drawing water.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a foundation pit drainage structure, is including seting up the open drain around the foundation pit end, the sump pit that links to each other with the open drain is still seted up at the foundation pit end, the upper end of foundation pit is equipped with the suction pump, be connected with the drinking-water pipe that extends to in the sump pit on the suction pump, install the header tank in the sump pit, the header tank includes two first curb plates that are parallel to each other and two second curb plates that are parallel to each other, two all set up the water inlet that is linked together with the open drain on the second curb plate, two be connected with first bracing piece between the first curb plate, hang the filter frame that supplies the drinking-water pipe to place on the first bracing piece.

Through adopting above-mentioned technical scheme, the setting of header tank can be strutted the lateral wall of sump pit, and simultaneously, the rivers that assemble on the open drain can get into in the header tank for the silt of reserving in the header tank is less, and a small amount of silt deposits in the bottom of header tank, through placing the drinking-water pipe in the filtration frame that hangs, can further reduce in silt gets into the drinking-water pipe, and then improves the efficiency of drawing water.

The present invention may be further configured in a preferred embodiment as: the filter frame is provided with a hook, and the first support rod is provided with a groove matched with the hook.

Through adopting above-mentioned technical scheme, in the filter frame detained the recess on first bracing piece through the hook, realize the installation of filter frame, can make things convenient for the installation and the dismantlement of filter frame.

The present invention may be further configured in a preferred embodiment as: and a second supporting rod is arranged between the two first side plates, and the first supporting rod and the second supporting rod are arranged vertically.

Through adopting above-mentioned technical scheme, through first bracing piece and the second bracing piece that sets up, can improve the structural strength of header tank.

The present invention may be further configured in a preferred embodiment as: the both ends of first bracing piece and second bracing piece all extend there is the lug, two the gliding first spout of lug on supplying the first bracing piece is all seted up to one side that first side board is close to, and the gliding second spout of lug on supplying the second bracing piece is all seted up to one side that two second side boards are close to, the direction of height of header tank is all followed to first spout and second spout.

By adopting the technical scheme, the first supporting rod and the second supporting rod are respectively connected in the first sliding groove and the second sliding groove in a sliding manner through the convex blocks, so that the first supporting rod and the second supporting rod can be conveniently mounted, dismounted and replaced.

The present invention may be further configured in a preferred embodiment as: the lug, the first sliding groove and the second sliding groove are all of T-shaped structures.

By adopting the technical scheme, because the lug, the first chute and the second chute are of T-shaped structures, the stability of connection between the first supporting rod and the two first side plates and the stability of connection between the second supporting rod and the two second side plates can be improved.

The present invention may be further configured in a preferred embodiment as: the dovetail grooves are formed in two ends, close to one side, of the first side plate, mounting strips matched with the dovetail grooves are arranged on two side walls, close to the first side plate, of the second side plate, and the mounting strips and the dovetail grooves are fixed through bolts.

Through adopting above-mentioned technical scheme, because the cooperation through dovetail and mounting bar realizes the installation between first curb plate and the second curb plate to realize fixing through the bolt, the area of reducible header tank when the transportation reduces cost of transportation.

The present invention may be further configured in a preferred embodiment as: the height of one end of the drainage open ditch, which is far away from the water collecting well, is gradually reduced towards one end communicated with the water collecting well.

Through adopting above-mentioned technical scheme, through the open drain that sets up to sump pit one side slope, the speed that multiplicable rivers gathered to the header tank.

The present invention may be further configured in a preferred embodiment as: two the equipartition has seted up the hole of permeating water on the first curb plate.

Through adopting above-mentioned technical scheme, through seting up the hole of permeating water on first curb plate for groundwater accessible on the sump pit lateral wall permeates water the hole and gets into the header tank in, increases the water-collecting speed of header tank.

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

1. the side wall of the water collecting well can be supported through the arrangement of the water collecting tank, so that the amount of silt in the water collecting tank is reduced, and the water pumping pipe is placed in the suspended filter frame, so that the silt can be reduced from entering the water pumping pipe, and the water pumping efficiency is improved;

2. because the header tank is assembled by first curb plate and second curb plate and forms, can transport the header tank to foundation ditch department, splice again, and then reduce cost of transportation.

Drawings

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

FIG. 2 is an enlarged schematic view at A in FIG. 1 of the present embodiment;

FIG. 3 is an exploded view of the highlighted water collection tank of the present embodiment;

fig. 4 is a schematic diagram of a prior art structure.

Reference numerals: 1. a foundation pit; 2. draining the open ditch; 3. a water collecting well; 4. a water pump; 5. a water pumping pipe; 6. a water collection tank; 7. a first side plate; 8. a second side plate; 9. a first support bar; 10. a second support bar; 11. a water inlet; 12. a filter frame; 13. hooking; 14. a groove; 15. a bump; 16. a first chute; 17. a second chute; 18. a dovetail groove; 19. mounting a bar; 20. a threaded hole; 21. a through hole; 22. lifting lugs; 23. water permeable holes; 24. and (4) bolts.

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 utility model discloses a foundation pit drainage structure, including offering the open drain 2 around the bottom of foundation pit 1 hole and offering the sump pit 3 that links to each other with open drain 2 at the bottom of foundation pit 1 hole. The upper end of foundation ditch 1 is equipped with suction pump 4, is connected with the drinking-water pipe 5 that extends to in the sump pit 3 on the suction pump 4. Install header tank 6 in sump pit 3, header tank 6 includes two first curb plates 7 that are parallel to each other and two second curb plates 8 that are parallel to each other, is connected with first bracing piece 9 between two first curb plates 7, is connected with second bracing piece 10 between two second curb plates 8, and first bracing piece 9 and second bracing piece 10 mutually perpendicular, and set up the water inlet 11 that is linked together with open drain 2 on the second curb plate 8. Furthermore, the height of one end of the open drainage ditch 2, which is far away from the water collecting well 3, is gradually reduced towards one end communicated with the water collecting well 3, so that water on the open drainage ditch 2 is quickly gathered into the water collecting tank 6.

The water collection tank 6 can carry out certain support to the lateral wall of the water collection well 3, increases the structural strength of the water collection well 3, prevents the silt of the lateral wall of the water collection well 3 from dropping, the structural strength of the water collection tank 6 can be improved by the first support rod 9 and the second support rod 10, the water in the open drain 2 can enter the water collection tank 6 from the water inlet 11 of the second lateral plate 8, and then the water in the water collection well 3 is pumped away by the suction pump 4.

Referring to fig. 2 and 3, a filter frame 12 is mounted on the first support rod 9, a hook 13 is arranged on the filter frame 12, and a groove 14 matched with the first support rod 9 is formed in the first support rod 9. The filter frame 12 is hung on the groove 14 of the first supporting rod 9 through the hook 13, and the water pumping pipe 5 is placed in the filter frame 12. Because the water entering the water collecting tank 6 from the open drainage ditch 2 can be deposited at the bottom of the water collecting well 3 with silt, and the water pumping pipe 5 is suspended in the water collecting tank 6 through the filter frame 12, the water pumping pipe 5 is not in contact with the bottom of the water collecting well 3, and the silt entering the water pumping pipe 5 can be reduced.

Referring to fig. 2 and 3, the two ends of the first support rod 9 and the second support rod 10 are extended with the protruding blocks 15 having the T-shaped structures, the first sliding grooves 16 for sliding the protruding blocks 15 on the first support rod 9 are provided on the side where the two first side plates 7 are close to each other, the second sliding grooves 17 for sliding the protruding blocks 15 on the second support rod 10 are provided on the side where the two second side plates 8 are close to each other, and the first sliding grooves 16 and the second sliding grooves 17 are extended along the height direction of the water collecting tank 6. During installation, the first support rod 9 with the filter frame 12 enters the groove bottom of the first sliding groove 16 from the notch of the first sliding groove 16 at the upper end of the water collecting tank 6, and then the first support rod 9 is installed at the groove bottom of the second sliding groove 17.

Referring to fig. 2 and 3, dovetail grooves 18 are formed at two ends of each of the two first side plates 7 close to one side, and mounting bars 19 matched with the dovetail grooves 18 are arranged on two side walls of the second side plate 8 close to the first side plates 7. A bolt 24 for fixing the mounting bar 19 in the dovetail groove 18 is arranged between the mounting bar 19 and the dovetail groove 18, further, a threaded hole 20 for screwing the bolt 24 is formed in the mounting bar 19, and a through hole 21 penetrating through the dovetail groove 18 is formed in one side of the two first side plates 7 which are away from each other. Lifting lugs 22 are welded on the upper end faces of the two first side plates 7, and therefore the water collection tank 6 can be conveniently hoisted. When the mounting bar 19 is inserted into the dovetail groove 18, the through hole 21 and the threaded hole 20 are located at the same axial position, and the bolt 24 passes through the through hole 21 and is screwed into the threaded hole 20 to fix the mounting bar 19 in the dovetail groove 18, so that the first side plate 7 and the second side plate 8 are fixedly connected.

Referring to fig. 3, in order to increase the water inflow of the water collection tank 6, the first side plate 7 is uniformly provided with water permeable holes 23, and the groundwater permeating from the side wall of the water collection well 3 can enter the water collection tank 6 through the water permeable holes 23.

The using process of the embodiment is as follows:

the water collecting tank 6 is placed in the water collecting well 3, so that the water inlet 11 on the second side plate 8 corresponds to the open drain 2, then the water pumping pipe 5 is placed in the filter frame 12, and water in the water collecting tank 6 is pumped out.

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 foundation ditch drainage structures, is including seting up drainage open drain (2) around the bottom of foundation ditch (1) hole, still set up sump pit (3) that link to each other with drainage open drain (2) at the bottom of foundation ditch (1) hole, the upper end of foundation ditch (1) is equipped with suction pump (4), be connected with on suction pump (4) and extend to suction pipe (5) in sump pit (3), its characterized in that: install header tank (6) in sump pit (3), header tank (6) include two first curb plate (7) that are parallel to each other and two second curb plate (8) that are parallel to each other, two all set up water inlet (11) that are linked together with open drain (2) on second curb plate (8), two be connected with first bracing piece (9) between first curb plate (7), hang on first bracing piece (9) and have the filtration frame (12) that supply drinking-water pipe (5) to place.

2. A foundation pit drainage structure according to claim 1, wherein: the filter frame (12) is provided with a hook (13), and the first supporting rod (9) is provided with a groove (14) matched with the hook (13).

3. A foundation pit drainage structure according to claim 1, wherein: a second supporting rod (10) is arranged between the two second side plates (8), and the first supporting rod (9) and the second supporting rod (10) are arranged perpendicularly.

4. A foundation pit drainage structure according to claim 3, wherein: protruding block (15) have all been extended at the both ends of first bracing piece (9) and second bracing piece (10), two the gliding first spout (16) of protruding block (15) on supplying first bracing piece (9) is all seted up to one side that first curb plate (7) are close to mutually, and the gliding second spout (17) of protruding block (15) on supplying second bracing piece (10) is all seted up to one side that two second curb plates (8) are close to mutually, the direction of height of header tank (6) is all followed in first spout (16) and second spout (17) and is extended.

5. A foundation pit drainage structure according to claim 4, wherein: the convex block (15), the first sliding groove (16) and the second sliding groove (17) are all of T-shaped structures.

6. A foundation pit drainage structure according to claim 4, wherein: two dovetail grooves (18) have all been seted up at both ends that first curb plate (7) are close to one side mutually, second curb plate (8) are pressed close to all to be equipped with mounting bar (19) with dovetail groove (18) adaptation on the both sides wall of first curb plate (7), it is fixed through bolt (24) between mounting bar (19) and dovetail groove (18).

7. A foundation pit drainage structure according to claim 1, wherein: the height of one end, far away from the water collecting well (3), of the drainage open ditch (2) is gradually reduced towards one end communicated with the water collecting well (3).

8. A foundation pit drainage structure according to claim 5, wherein: and water permeable holes (23) are uniformly distributed on the two first side plates (7).