CN215759118U

CN215759118U - Multi-step type dewatering and recharging device for deep foundation pit of large-scale building engineering

Info

Publication number: CN215759118U
Application number: CN202121075858.6U
Authority: CN
Inventors: 黄志明; 黄哲波; 姚震亚; 李琴峰
Original assignee: Zhejiang Hongxiang Construction Group Co ltd
Current assignee: Zhejiang Hongxiang Construction Group Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-02-08
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to the technical field of foundation pit dewatering recharging, in particular to a multi-step dewatering recharging device for a deep foundation pit of large-scale building engineering, which comprises a water pump and a filter box, wherein the top end of the water pump is communicated with a water outlet pipe, the right end of the water pump is communicated with a water inlet pipe, the top end of the inner side of the filter box is fixedly connected with a backwashing rack, the bottom end of the outer side of the backwashing rack is communicated with a sludge discharge pipe, and the inner side of the backwashing rack is rotatably connected with a rotary plate. And the components in the device are well protected, and the service life of the device is prolonged.

Description

Multi-step type dewatering and recharging device for deep foundation pit of large-scale building engineering

Technical Field

The utility model relates to the technical field of foundation pit dewatering recharge, in particular to a multi-stage dewatering recharge device for a deep foundation pit of large-scale building engineering.

Background

The foundation pit precipitation recharge is to reduce the groundwater in the foundation pit engineering, also called groundwater control, namely in the foundation pit engineering construction process, the groundwater needs to meet the requirements of supporting structure and earth digging construction, and does not bring harm to the environment and facilities around the foundation pit due to the change of groundwater level, when the deep foundation pit construction is carried out on the dense site of the building, the problem of the groundwater of the foundation pit is not enough only to be considered, and the problems of uneven settlement and displacement of the original foundation of the building around caused by excessive precipitation are also considered, the uneven settlement and displacement can cause the settlement, cracking or inclination of the original building, in addition, if a large amount of pumped groundwater is not recharged, a large amount of waste of water resources can be caused, therefore, the pumped groundwater is recharged and utilized again, which is an inevitable trend of precipitation construction, along with the continuous development of society, the application of precipitation recharge devices is more and more, however, the precipitation recharging device used in the multi-step precipitation recharging system for the deep foundation pit of part of large-scale building engineering cannot well filter the sediment in the pumped water when in use, and although some precipitation recharging devices capable of filtering exist, the cleaning effect on the filtering mechanism is not good when in use, the friction generated between the internal component and the filtering mechanism is large, the internal component cannot be well protected, and therefore the service life of the whole device is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-stage type precipitation recharging device for a deep foundation pit of a large-scale building engineering, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a multistage formula precipitation recharging device of deep basal pit of large-scale building engineering, includes water pump and rose box, water pump top intercommunication has the outlet pipe, water pump right-hand member intercommunication has the inlet tube, the inboard top fixedly connected with recoil frame of rose box, recoil frame outside bottom intercommunication has the mud pipe, the inboard rotation of recoil frame is connected with the carousel, the carousel inboard is equipped with the filter screen, recoil frame top intercommunication has the switching pipe, carousel bottom central point puts fixedly connected with fixed axle, fixed axle outside central point puts fixedly connected with impeller, the inboard bottom of recoil frame is equipped with the cover that catchments, rose box top central point puts the intercommunication and has fixed pipe, fixed pipe top and switching pipe left side are all rotated and are connected with the sleeve pipe.

Preferably, the filter screen and carousel fixed connection, the filter screen has 4, and the even distribution of filter screen is inboard at the carousel.

Preferably, the water collecting cover is arranged in a frustum shape and is fixedly connected with the filter box.

Preferably, the top end of the inner side of the water collecting cover is fixedly connected with a coarse strainer, the fixing shaft penetrates through the coarse strainer, and the fixing shaft is rotatably connected with the coarse strainer.

Preferably, the bottom end of the coarse filter screen is slidably connected with a scraping rod, and the scraping rod is fixedly connected with the fixed shaft.

Preferably, the top end of the inner side of the sleeve is spirally connected with a threaded sleeve, the top end of the threaded sleeve is communicated with a connecting pipe, the connecting pipe on the left side is communicated with the water outlet pipe, the connecting pipe on the right side is communicated with the water inlet pipe, and the diameter of the connecting pipe on the right side is 3 times that of the connecting pipe on the left side.

Preferably, the bottom end of the inner side of the sleeve is fixedly connected with a sealing ring, the sealing ring is in sliding connection with the threaded sleeve, and the sealing ring is made of a rubber plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the multi-stage rainfall recharge system, the impeller, the rotary table, the backflushing frame and the water collecting cover are arranged, the arrangement is matched with the fixed connection of the water collecting cover and the filter box, the communication of the backflushing frame, the adapter pipe and the sludge discharge pipe, the fixed connection of the rotary table and the filter screen and the fixed connection of the impeller and the fixed shaft, when the device is used in the multi-stage rainfall recharge system, the cleaning effect of the filter mechanism is better, the friction between the component and the filter mechanism is reduced to the greatest extent, the component in the device is well protected, and the service life of the device is prolonged.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a filter box according to the present invention;

FIG. 3 is a schematic cross-sectional view of the bushing of the present invention;

FIG. 4 is a schematic view of the installation structure of the filter net of the present invention;

fig. 5 is a schematic view of the overall structure of the recoil frame of the present invention.

In the figure: 1-water pump, 2-water outlet pipe, 3-water inlet pipe, 4-filter box, 5-backflushing frame, 6-rotary table, 7-filter screen, 8-adapter pipe, 9-fixed shaft, 10-impeller, 11-scraping rod, 12-coarse filter screen, 13-water collecting cover, 14-fixed pipe, 15-sleeve pipe, 16-screw sleeve, 17-sealing ring, 18-mud discharging pipe and 19-connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a multistage formula precipitation recharge device of large-scale building engineering deep basal pit, including water pump 1 and

rose box

4, 1 top intercommunication of water pump has

outlet pipe

2, 1 right-hand member intercommunication of water pump has inlet

tube

3, 4 inboard top fixedly connected with recoil framves 5 of rose box, 5 outside bottom intercommunications of recoil frame have

mud pipe

18, 5 inboard rotations of recoil frame are connected with

carousel

6, 6 inboard filter screens 7 that are equipped with of carousel, 5 top intercommunications of recoil frame have switching

pipe

8, 6 bottom central points of carousel put fixedly connected with

fixed axle

9, 9 outside central points of fixed axle put fixedly connected with

impeller

10, 5 inboard bottoms of recoil frame are equipped with

water catch bowl

13, 4 top central points of rose box put the intercommunication have fixed pipe 14, fixed pipe 14 tops and 8 left sides of switching pipe are all rotated and are connected with sleeve pipe 15.

The filter screens 7 are fixedly connected with the rotary table 6, 4 filter screens 7 are arranged, the filter screens 7 are uniformly distributed on the inner side of the rotary table 6, the arrangement realizes that the filter screens 7 can be cleaned while filtering, and the friction generated by cleaning the filter screens 7 is reduced, the water collecting cover 13 is arranged in a frustum shape, the water collecting cover 13 is fixedly connected with the filter box 4, the arrangement is convenient for intensively accelerating water so as to stably drive the impeller 10 to rotate, the top end of the inner side of the water collecting cover 13 is fixedly connected with the coarse filter screen 12, the fixing shaft 9 penetrates through the coarse filter screen 12, the fixing shaft 9 is rotatably connected with the coarse filter screen 12, the arrangement is convenient for filtering large-particle silt, thereby having good protection effect on the impeller 10, the bottom end of the coarse filter screen 12 is slidably connected with the scraping rod 11, the scraping rod 11 is fixedly connected with the fixing shaft 9, the arrangement is convenient for scraping and cleaning the coarse filter screen 12, so that water can pass through the coarse filter screen 12, the top end of the inner side of the sleeve 15 is spirally connected with a threaded sleeve 16, the top end of the threaded sleeve 16 is communicated with a connecting pipe 19, the left connecting pipe 19 is communicated with a water outlet pipe 2, the right connecting pipe 19 is communicated with a water inlet pipe 3, the diameter of the right connecting pipe 19 is 3 times that of the left connecting pipe 19, the arrangement facilitates the connection between the water pump 1 and the filter box 4, and the normal back washing of the filter screen 7 is ensured, the bottom end of the inner side of the sleeve 15 is fixedly connected with a sealing ring 17, the sealing ring 17 is in sliding connection with the threaded sleeve 16, the sealing ring 17 is made of a plate made of rubber materials, and the arrangement ensures the sealing performance of the joint of the water pump 1 and the filter box 4.

The working process is as follows: when the device is used, the water outlet pipe 2 is connected with an external water pipe, the left threaded sleeve 16 is in threaded connection with the left sleeve 15, the right threaded sleeve 16 is in threaded connection with the right sleeve 15, a rubber sealing ring 17 is fixed in the sleeve 15, so that the sealing performance of the joint is good, the filter box 4 is installed at the bottom of a step in a foundation pit, and then the device is used, when the device is used, the device is started, the water pump 1 can pump water through the water inlet pipe 3 at the moment, the outside water can enter the filter box 4 after being concentrated through the water collecting cover 13, then large-particle stones are filtered through the coarse filter screen 12, the impeller 10 is well protected, the water can drive the impeller 10 to rotate after entering the filter box 4, so that the scraper bar 11 and the rotary table 6 are driven to rotate through the fixing shaft 9, the coarse filter screen 12 can be continuously scraped and cleaned when the scraper bar 11 rotates, guaranteed that water normally passes coarse strainer 12, it is through fixed pipe 14 after filter 7 carries out the filtration of tiny particle silt to follow water, sleeve pipe 15 on right side, connecting pipe 19 and the inlet tube 3 on right side are extracted, water discharges through outlet pipe 2 at last, at the exhaust in-process, because the diameter of right side connecting pipe 19 is three times of the diameter of left side connecting pipe 19, so when water discharges, partial water can be through left connecting pipe 19, left swivel nut 16, left sleeve pipe 15 and switching pipe 8 discharge to the recoil frame 5 in, when filter screen 7 of carousel 6 inboard is rotated to the recoil frame 5 in, can constantly carry out the recoil clearance through switching pipe 8 exhaust water to filter screen 7, thereby guaranteed the normal use of device, the silt of recoil is discharged through mud pipe 18 at last.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a large building engineering deep basal pit multistage formula precipitation device of recharging, includes water pump (1) and rose box (4), its characterized in that: the top end of the water pump (1) is communicated with a water outlet pipe (2), the right end of the water pump (1) is communicated with a water inlet pipe (3), the top end of the inner side of the filter box (4) is fixedly connected with a backflushing frame (5), the bottom end of the outer side of the backflushing frame (5) is communicated with a sludge discharge pipe (18), the inner side of the recoil frame (5) is rotatably connected with a rotary table (6), the inner side of the rotary table (6) is provided with a filter screen (7), the top end of the recoil frame (5) is communicated with a switching tube (8), the central position of the bottom end of the rotary disc (6) is fixedly connected with a fixed shaft (9), the central position of the outer side of the fixed shaft (9) is fixedly connected with an impeller (10), a water collecting cover (13) is arranged at the bottom end of the inner side of the backflushing frame (5), a fixed pipe (14) is communicated with the center position of the top end of the filter box (4), the top end of the fixed pipe (14) and the left side of the adapter pipe (8) are rotatably connected with a sleeve (15).

2. The large-scale building engineering deep foundation pit multistage type precipitation recharging device of claim 1, characterized in that: filter screen (7) and carousel (6) fixed connection, filter screen (7) have 4, and filter screen (7) even distribution is inboard in carousel (6).

3. The large-scale building engineering deep foundation pit multistage type precipitation recharging device of claim 1, characterized in that: the water collecting cover (13) is arranged in a frustum shape, and the water collecting cover (13) is fixedly connected with the filter box (4).

4. The large-scale building engineering deep foundation pit multistage type precipitation recharging device of claim 3, characterized in that: the inside top end fixedly connected with coarse strainer (12) of cover (13) catchments, and coarse strainer (12) are run through to fixed axle (9), fixed axle (9) and coarse strainer (12) rotate to be connected.

5. The large-scale building engineering deep foundation pit multistage type precipitation recharging device of claim 4, characterized in that: the bottom end of the coarse filter screen (12) is connected with a scraping rod (11) in a sliding mode, and the scraping rod (11) is fixedly connected with the fixed shaft (9).

6. The large-scale building engineering deep foundation pit multistage type precipitation recharging device of claim 1, characterized in that: the utility model discloses a water purifier, including sleeve pipe (15), connecting pipe (3), connecting pipe (19) and outlet pipe (2), the inboard top spiral connection of sleeve pipe (15) has swivel nut (16), swivel nut (16) top intercommunication has connecting pipe (19), and left connecting pipe (19) and outlet pipe (2) intercommunication, right side connecting pipe (19) and inlet tube (3) intercommunication, right side the diameter of connecting pipe (19) is 3 times of left connecting pipe (19) diameter.

7. The large-scale building engineering deep foundation pit multistage type precipitation recharging device of claim 6, characterized in that: the inner side bottom end of the sleeve (15) is fixedly connected with a sealing ring (17), the sealing ring (17) is in sliding connection with the threaded sleeve (16), and the sealing ring (17) is made of a rubber plate.