CN210507495U - Deep foundation pit drainage structure - Google Patents

Abstract

The utility model discloses a deep basal pit drainage structures has solved the problem that the difficulty was torn open in well lid ann in the drainage well among the prior art, and its technical essential is: the utility model provides a deep basal pit drainage structures, including the deep basal pit, the drainage shaft and with the blind ditch of drainage shaft intercommunication, the drainage shaft bottom is provided with the subassembly that draws water, the subassembly top level that draws water is provided with the well lid that is used for separating the drainage shaft, the well lid includes two compoboards of rotating the connection, the activity is provided with two sets of supporting components on the well lid bottom surface, supporting component is including fixing the fixed column in one of them compoboard bottom surface and sliding the slip post of installing in two sets of compoboard bottom surfaces, the length of fixed column place one side compoboard on two sets of compoboards array orientation is greater than the opposite. Through above-mentioned scheme, slip post slidable mounting is in the well lid bottom surface, and its top upwards passes the well lid and can ensure that constructor removes it in the top of well lid to slip post, and the setting element can guarantee that the slip post can fix in suitable position, realizes that the well lid is stably installed.

Description

Deep foundation pit drainage structure

Technical Field

The utility model belongs to the technical field of the technique of deep basal pit construction and specifically relates to a deep basal pit drainage structures is related to.

Background

With the rapid development of modern building industry, high-rise and super high-rise buildings are increasing. High-rise and super high-rise buildings mostly adopt compensatory foundations due to large upper load, and generally a multi-layer basement is arranged to be beneficial to the stability of the buildings, but the foundation burial depth is large and the foundation pit excavation depth is deep. Particularly, when a deep foundation pit is excavated in an area with a high ground water level, a soil water-bearing layer is cut off, and ground water can continuously infiltrate into the foundation pit to cause quicksand and slope instability or reduce the bearing capacity of the foundation. Therefore, a drainage structure is generally arranged in the foundation pit during the construction of the existing foundation pit.

Chinese patent No. CN207436078U discloses a deep foundation pit drainage structure, which comprises a deep foundation pit, a drainage well and an underdrain communicated with the drainage well, the drainage well is arranged at the bottom surface of the deep foundation pit, the blind ditch is obliquely arranged, the side wall of the drainage well is provided with a blind pipe positioned below the blind ditch, a water pumping assembly for draining water in the drainage well is arranged in the deep foundation pit and comprises a water filtering cover positioned in the drainage well, the water filtering cover is of a hollow structure with an opening at the upper end, the upper end of the water filtering cover is rotatably connected with an end cover for sealing the water filtering cover, a submersible pump is arranged in the water filtering cover, a water outlet of the submersible pump is sleeved with a water discharging tube, the other end of the water discharging tube penetrates through the side wall of the water filtering cover and is fixedly connected to the side wall of the water filtering cover, the water draining device is characterized in that a water supply pipe is fixedly connected to the water draining cylinder, and a water pumping valve is arranged at the upper end of the water supply pipe. The utility model discloses a through the guard action of drainage cover and end cover, solved the immersible pump and buried the problem that can not smooth drainage by foundation ditch soil.

However, the above patents still have the following problems: its well lid that sets up in the top of the subassembly that draws water is owing to need set up in the drain well and be in the below of both sides blind ditch, and well lid is at the installation back and is followed the intermittent type and break the drain well promptly, can't stand on the well lid in the installation simultaneously, leads to needing operating personnel to stand and install through the mode that hoists the decline outside the drain well when installing the well lid, and in the same way, also need utilize hoisting structure when dismantling, causes the ann to tear the process open very inconvenient, reduces drainage efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ann tears convenient deep basal pit drainage structures open.

The utility model discloses a can realize through following technical scheme:

a drainage structure of a deep foundation pit comprises the deep foundation pit, a drainage well and an underdrain communicated with the drainage well, wherein the drainage well is arranged on the bottom surface of the deep foundation pit, a water pumping assembly for draining accumulated water in the drainage well is arranged at the bottom of the drainage well, and a well cover for separating the drainage well is horizontally arranged above the water pumping assembly; the manhole cover comprises two combined plates which are rotatably connected at one side edge, two groups of supporting components used for supporting the manhole cover are movably arranged on the bottom surface of the manhole cover, each supporting component comprises a fixed column fixed on the bottom surface of one combined plate and a sliding column slidably mounted on the bottom surfaces of the two combined plates, and the length of the combined plate on one side where the fixed column is located in the arrangement direction of the two combined plates is larger than that of the combined plate on the other side.

Through adopting above-mentioned technical scheme, the well lid that utilizes the well lid of placing in the drainage well to form the well lid of sealing the drainage well, the well lid comprises two compoboards that turn over the connection simultaneously, and sliding connection has the slip post that is used for supporting below a set of well lid wherein, make whole well lid can be in advance with fold condition convenient and fast place into the drainage well when needs are installed, and make operating personnel stand to the partial plate body that two sets of plywood do not coincide after placing on, rotate two sets of compoboards again and locate in same horizontal plane to both and seal the drainage well, can slide the post in the supporting component from the fixed column place compoboard and slide to carry out more stable support to whole well lid in another compoboard afterwards, and then realize the swift installation of well lid, and can follow-up when demolising with opposite operation and withdraw the well lid from the drainage well fast, improve drainage well treatment efficiency.

Further setting the following steps: run through on the well lid and offer the sliding tray that is used for slidable mounting slip post, the mounting groove has been seted up to the both sides inner wall of sliding tray, the slip post passes be provided with on the cylinder when the sliding tray and stretch into slide the sliding block that touches in the mounting groove and with the sliding of mounting groove both sides inner wall, the both ends of sliding tray are in two respectively on the equipment board and be provided with and be used for the location the setting element of slip post.

Through adopting above-mentioned technical scheme, the sliding column passes through the mounting groove on sliding tray and the sliding tray both sides inner wall and realizes slidable mounting in the well lid bottom surface, and its top upwards passes the well lid and can ensure that constructor operates it in the top of well lid and remove to the sliding column, makes the well lid build smoothly, and the setting element at sliding tray both ends can guarantee that the sliding column can fix after sliding to suitable position simultaneously, guarantees the stable installation of well lid.

Further setting the following steps: the setting element sets up including rotating sliding tray one side upset pole on the compoboard and being used for rotating the installation the rotation ear seat of upset pole, the extending direction of the rotation face perpendicular to compoboard and sliding tray of upset pole, the length of upset pole is greater than the sliding tray to the distance of rotating the ear seat, the upset pole to sliding tray one side rotate when to the horizontality with be in the sliding tray the slip post lateral wall butt, the upset pole is kept away from the one end of rotating the ear seat is provided with the grabbing pole perpendicularly.

Through adopting above-mentioned technical scheme, after the slip post slides to the tip of sliding tray, rotatable lie in slip upset pole make its body of rod and slip post butt make it unable to slide to the opposite side of sliding tray, realize fixing a position the slip post with simple swift mode, the grab bar of its tip can carry out the gripping when needs rotate the compoboard simultaneously, realizes quick laborsaving rotation compoboard.

Further setting the following steps: the equal level in two sides rotates about the sliding block and is provided with the roller bearing, roller bearing circumference outer wall with the mounting groove inner wall pastes touch just roller bearing axial perpendicular to mounting groove extending direction.

Through adopting above-mentioned technical scheme, reduce the sliding block with the help of the roller bearing and remove the produced resistance of in-process with the mounting groove inner wall to the realization reduces the resistance of sliding column at the removal in-process, conveniently removes the adjustment, and then improves work efficiency.

Further setting the following steps: the combination board is provided with a plurality of through holes in a penetrating way.

Through adopting above-mentioned technical scheme, can make the constructor of well lid top observe the infiltration water that leaves on the well lid top drainage well inner wall can flow to the drainage well bottom from the perforation when the drainage well bottom condition is observed through the perforation.

Further setting the following steps: the bottom end of the sliding column is provided with a moving wheel used for reducing resistance generated by the bottom surface of the drainage well during moving.

Through adopting above-mentioned technical scheme, reduce the resistance of sliding column its bottom and drainage well bottom at the removal in-process, improve sliding column's removal efficiency.

Further setting the following steps: the water pumping assembly comprises a submersible pump located in a drainage well, a drainage pipe is sleeved at a water outlet of the submersible pump, and the other end of the drainage pipe upwards penetrates through the well cover and extends to the outside of the deep foundation pit.

Through adopting above-mentioned technical scheme, through the effect of drawing water of immersible pump, make the interior water of drainage well discharge smoothly along the drain pipe, avoid influencing the construction of deep basal pit.

Further setting the following steps: the top of deep basal pit is equipped with the escape canal, the one end that the drain pipe is close to the deep basal pit top is located the escape canal.

Through adopting above-mentioned technical scheme, the drainage ditch is arranged along the drain pipe to the water that the immersible pump extracted in the drain well, dredges through the drainage ditch, the drainage of being convenient for.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the well cover on the pumping assembly is convenient and quick to install, and the installation effect is stable and safe through the positioning piece;

(2) through the effect of drawing water of immersible pump, the interior water pipe of drainage shaft discharges to dredge through the escape canal, make things convenient for the foundation ditch drainage.

Drawings

Fig. 1 is a schematic end view of the present invention;

fig. 2 is the well lid schematic diagram of the utility model.

Reference numerals: 1. a deep foundation pit; 2. a drainage well; 3. undermining the ditch; 4. a well cover; 5. a composition board; 6. fixing a column; 7. a sliding post; 8. a sliding groove; 9. mounting grooves; 10. a roller; 11. a moving wheel; 12. a turning rod; 13. a grasping rod; 14. a submersible pump; 15. a drain pipe; 16. a drainage ditch; 17. perforating; 18. and a slider.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a deep basal pit 1 drainage structures, including deep basal pit 1, the drainage shaft 2 of offering downwards in deep basal pit 1 bottom and offer in the soil layer of drainage shaft 2 both sides and with the blind ditch 3 of drainage shaft 2 intercommunication. The groundwater seeping from the cut aquifer will collect through the underdrain 3 and flow into the drainage well 2. The bottom of the drainage well 2 is provided with a water pumping assembly for discharging water accumulated at the bottom of the drainage well 2, and a well cover 4 for shielding the water pumping assembly and separating the drainage well 2 is arranged above the water pumping assembly, wherein the well cover 4 is arranged below the bottom ends of the blind ditches 3 on the two sides.

Referring to fig. 2, the manhole cover 4 includes two rectangular combination boards 5 hinged to each other at one side edge, and the two combination boards 5 have the same length at the connection side, but the length of one combination board 5 in the arrangement direction of the two combination boards 5 is longer than that of the other combination board 5. Simultaneously be provided with the same supporting component who is used for the installation to support well lid 4 of two sets of structures in the below of well lid 4, two sets of supporting component are located well lid 4 bottom surface respectively and are on a parallel with the both sides of two sets of compoboards 5 array orientation, and supporting component is including installing fixed column 6 in the great one side compoboard 5 bottom surface of length and sliding column 7 of installing in the 5 bottom surfaces of two sets of compoboards that slide, and the line is on a parallel with the array orientation of two sets of compoboards 5 between fixed column 6 and the sliding column 7.

Referring to fig. 2, a sliding groove 8 is formed in one side of the fixing column 6, the extending direction of the sliding groove is parallel to the arrangement direction of the two sets of plywood 5, the sliding groove 8 penetrates through the plywood 5, and two ends of the sliding groove 8 are respectively located on the two sets of plywood 5. One end of the sliding groove 8 is located at the side of the composite board 5 with the larger length close to the other composite board 5, and the other end of the sliding groove 8 is located at the side of the composite board 5 with the smaller length far from the other composite board 5. The sliding column 7 passes through the sliding groove 8 to the upper side of the well lid 4 from the lower side of the well lid 4 along the vertical direction, and meanwhile, the installation grooves 9 which are horizontally inward and used for sliding installation and limiting the sliding column 7 are formed in the inner walls of the two sides of the sliding groove 8.

Referring to fig. 2, the two sides of the sliding column 7 are integrally provided with sliding blocks 18 extending into the mounting groove 9, two sets of rollers 10 rolling and contacting the inner wall of the mounting groove 9 are rotatably arranged on the upper and lower surfaces of the sliding blocks 18, and the two sets of rollers 10 are spaced and perpendicular to the extending direction of the sliding groove 8. The sliding installation of the sliding column 7 below the well lid 4 is realized by means of the sliding block 18 and the rolling shaft 10, so that the sliding column 7 can slide by driving the part of the sliding column 7 above the well lid 4 when the sliding is needed, and the sliding mode of the sliding column 7 is to keep the horizontal integral sliding in a vertical state. Meanwhile, in order to reduce the frictional resistance between the sliding column 7 and the bottom surface of the drainage well 2 during sliding, a moving wheel 11 is provided at the bottom end of the sliding column 7.

Referring to fig. 2, meanwhile, a positioning member for fixing the sliding column 7 at both ends of the sliding groove 8 is provided above the manhole cover 4, and the sliding column 7 can be more stable when supporting the manhole cover 4 by means of the positioning member. The setting element is including rotating the rotation ear seat of installing upset pole 12 on 8 one sides compoboards of sliding tray 5 and being used for rotating installation upset pole 12, and the rotation face perpendicular to compoboards 5 of upset pole 12 and the extending direction of sliding tray 8, and the length of upset pole 12 is greater than the distance of sliding tray 8 to rotating the ear seat, but makes upset pole 12 rotate to the lateral wall of sliding column 7 to sliding tray 8 one side when the horizontality, carries on spacingly to it. A grabbing rod 13 perpendicular to the turnover rod 12 is arranged at one end, away from the rotating lug seat, of the turnover rod 12, the grabbing rod 13 is located at one side, away from the end portion of the sliding groove 8, of the turnover rod 12, and the combined plate 5 can be rotated more quickly and more conveniently through the grabbing rod 13 by means of the grabbing rod 13 when the combined plate 5 needs to be rotated.

Referring to fig. 1, the subassembly that draws water then is including being located the immersible pump 14 of drainage well 2 and cup jointing the drain pipe 15 at the 14 delivery ports of immersible pump, the vertical inner wall of drain pipe 15 body subsides at drainage well 2 upwards passes well lid 4 and extends to outside deep basal pit 1 through the opening of seting up at well lid 4 border, be provided with escape canal 16 outside deep basal pit 1's top simultaneously, the top of drain pipe 15 lets in escape canal 16 after stretching out deep basal pit 1 in, thereby with drainage well 2 interior accumulated water discharge deep basal pit 1 and handle with the help of escape canal 16, and in the infiltration water that makes well lid 4 top can flow to drainage well 2, it is provided with a plurality of perforation 17 to run through on well lid 4.

The implementation principle and the beneficial effects of the embodiment are as follows:

carry out well lid 4's installation after the subassembly installation of drawing water in the drain well, can rotate two sets of plywood 5 outside drain well 2 to piling up the coincidence, make the sliding column 7 in two sets of supporting components slide to one side compoboard 5 below, and settle well lid 4 in taking to drain well 2 by constructor, constructor can stand to rotate the compoboard 5 of top to being in same horizontality with another compoboard 5 on the two sets of 5 coincidence part plate bodies after placing, and then make two sets of plywood 5 form well lid 4 and separate drain well 2, can slide sliding column 7 to 8 tip of sliding tray in another compoboard 5 after rotating, and utilize upset rod 12 to carry on spacingly to sliding column 7, and then carry out the outrigger to well lid 4 in the four corners of well lid 4, realize quick stable installation well lid 4. On the contrary, when the well lid 4 needs to be removed, the limit of the turnover rod 12 can be removed, the sliding column 7 can slide into the combined plate 5 on one side of the fixed column 6, the combined plates 5 on the two sides can be rapidly rotated by the aid of the grabbing rod 13 to be overlapped and stacked, and then the constructor can move to the lower side of the well lid 4 to rapidly remove the well lid 4 and the water pumping assembly.

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 (8)

1. The utility model provides a deep basal pit drainage structures, includes deep basal pit (1), drainage shaft (2) and blind ditch (3) that are linked together with drainage shaft (2), drainage shaft (2) set up deep basal pit (1) bottom surface, its characterized in that: a water pumping assembly for draining accumulated water in the drainage well (2) is arranged at the bottom of the drainage well (2), and a well cover (4) for separating the drainage well (2) is horizontally arranged above the water pumping assembly;

the manhole cover (4) comprises two combined plates (5) which are rotatably connected at one side edge, two groups of supporting components used for supporting the manhole cover (4) are movably arranged on the bottom surface of the manhole cover (4), each supporting component comprises a fixed column (6) fixed on the bottom surface of one combined plate (5) and a sliding column (7) slidably mounted on the bottom surfaces of the two combined plates (5), and the length of the combined plate (5) on one side where the fixed column (6) is located in the arrangement direction of the two combined plates (5) is greater than that of the combined plate (5) on the other side.

2. The deep foundation pit drainage structure of claim 1, wherein: run through on well lid (4) and offer sliding tray (8) that are used for slidable mounting sliding column (7), mounting groove (9) have been seted up to the both sides inner wall of sliding tray (8), sliding column (7) pass be provided with on the cylinder when sliding tray (8) stretch into sliding block (18) that contact are slided to interior and with mounting groove (9) both sides inner wall of mounting groove (9), the both ends of sliding tray (8) are in two respectively on compoboard (5) and be provided with and be used for the location the setting element of sliding column (7).

3. The deep foundation pit drainage structure of claim 2, wherein: the setting element is in including rotating the setting the rotation pole (12) on sliding tray (8) one side and being used for rotating the installation the rotation ear seat of upset pole (12), the extending direction of the rotation face perpendicular to combined tray (5) and sliding tray (8) of upset pole (12), the length of upset pole (12) is greater than sliding tray (8) to the distance of rotating the ear seat, and upset pole (12) rotate to sliding tray (8) one side when to the horizontality with be in sliding tray (8) slip post (7) lateral wall butt, keep away from upset pole (12) the one end of rotating the ear seat is provided with perpendicularly and grabs holding rod (13).

4. The deep foundation pit drainage structure according to claim 3, wherein: the equal level in both sides rotates about sliding block (18) and is provided with roller bearing (10), roller bearing (10) circumference outer wall with mounting groove (9) inner wall pastes and touches just roller bearing (10) axial perpendicular to mounting groove (9) extending direction.

5. The deep foundation pit drainage structure of claim 1, wherein: the combination plate (5) is provided with a plurality of through holes (17) in a penetrating way.

6. The deep foundation pit drainage structure of claim 1, wherein: the bottom end of the sliding column (7) is provided with a moving wheel (11) used for reducing resistance generated by the bottom surface of the drainage well (2) during moving.

7. The deep foundation pit drainage structure of claim 1, wherein: the water pumping assembly comprises a submersible pump (14) located in the drainage well (2), a water outlet of the submersible pump (14) is sleeved with a drainage pipe (15), and the other end of the drainage pipe (15) upwards penetrates through the well cover (4) and extends to the outside of the deep foundation pit (1).

8. The deep foundation pit drainage structure according to claim 7, wherein: the top of deep basal pit (1) is equipped with escape canal (16), drain pipe (15) are close to the one end at deep basal pit (1) top and are located escape canal (16).

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