CN111305226B

CN111305226B - Building foundation pit supporting device with prevent sinking and dewatering

Info

Publication number: CN111305226B
Application number: CN202010212847.1A
Authority: CN
Inventors: 刘衍桄; 胡娅; 吴雅群
Original assignee: Shanghai Jiucheng Geotechnical Technology Co ltd
Current assignee: Shanghai Jiucheng Construction Technology Group Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-10-01
Anticipated expiration: 2040-03-24
Also published as: CN111305226A

Abstract

The invention relates to the technical field of building foundation pits, and discloses a building foundation pit supporting device with functions of sinking prevention and water removal, which comprises a base, wherein the base comprises: the rotary column, the arc-shaped groove, the column-shaped groove, the rectangular groove, the filter screen and the upper metal sheet are connected, the outer side of the second idler wheel is connected with the second belt, the upper end of the air bag is connected with the lower metal sheet corresponding to the upper metal sheet, the sliding grooves are respectively formed in the rear side and the right side of the conical column, the push rod is connected inside the conical column, and the outer side end of the push rod is connected with the extension plate. Promote the sliding plate downstream through the whole gravity increase of water tank, the sliding plate passes through the connecting rod and drives the toper post downstream, spout extrusion push rod on the toper post moves to the outside, the push rod drives the extension board and moves to the outside, this structure has reached the lifting surface area of increase base to avoid soil to soften, slope and sunken easily appear in foundation ditch wall supporting device, further guaranteed the effect of strutting of building foundation ditch.

Description

Building foundation pit supporting device with prevent sinking and dewatering

Technical Field

The invention relates to the technical field of building foundation pits, in particular to a building foundation pit supporting device with functions of sinking prevention and water removal.

Background

The foundation pit refers to a space below the ground excavated for the construction of a building foundation and a basement. And excavating soil pits 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 the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting side slope to make the earth slope stable, and the size of the slope is determined according to the relevant construction project. When a deeper and adjacent building is excavated, a foundation pit wall supporting method can be used. In the process of building a foundation pit, open ditches and a water collecting well are often needed to be added for precipitation, and the method is a manual precipitation method and has the characteristics of convenient construction, simple tools and low cost.

At present, the open trench is used for removing water in a foundation pit of a building, the water is only led to a simply dug water collecting well and then is emptied by a water pump, the water in the foundation pit is collected in the water collecting well after long-term use, so that the pressure of soil layers in the foundation pit is uneven, the bearing capacity of the soil layers in different areas is different when the building is built, the damage to the buildings in the foundation pit is easy to cause, and the existing foundation pit wall supporting device and the drainage and precipitation device are separately carried out, when water is removed, the water permeates into the soil, so that the soil is softened, the foundation pit wall supporting device is easy to incline and sink, so that the pit wall supporting device cannot achieve the ideal effect, in addition, the open trench drainage needs to be additionally dug, the pit wall supporting device needs to be filled after being used, therefore, the process is complicated, and in order to solve the problem, the building foundation pit supporting device with sinking prevention and water removal functions is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a building foundation pit supporting device with functions of sinking prevention and water removal, which has the advantages of automatic drainage, automatic support surface adjustment and working strength reduction, and solves the problems that the existing building foundation pit supporting device cannot automatically drain water, cannot automatically adjust the support surface and has high working strength.

(II) technical scheme

In order to achieve the purposes of automatic drainage, automatic support surface adjustment and working strength reduction, the invention provides the following technical scheme: the utility model provides a building excavation supporting device with prevent sinking and dewatering, includes the base, the base includes: the rotary column, the arc wall, the cylindrical slot, the rectangular channel, filter screen and last sheetmetal, the left side upper portion of base just rotates in the outside of rotary column and is connected with the backup pad, the right side of backup pad is provided with guide ring one, the inside of guide ring one and be provided with the picture peg on the base, the inside right front side rotation of base is connected with the gear, the inside of gear just is in base fixedly connected with pivot, the left side back meshing of gear is connected with first gyro wheel partially, the lower part outside of first gyro wheel is provided with annular tooth, the internal thread of first gyro wheel has the landing leg, the landing leg includes: the lower end of the lower leg is fixedly connected with a tripod roller, the outer part of the upper part of the first roller is connected with a first belt in a rolling way, the right front side of the gear is engaged with a second roller on the upper side of the base, the inner thread of the second roller is connected with a fixing nail, the outer side of the second roller is connected with a second belt in a rolling way, the middle part between the second rollers is provided with a water tank on the base, the right end of the water tank is fixedly connected with a water pipe, the left side of the lower part of the water pipe is provided with a floating plate at the position of the filter screen, the upper side of the floating plate is provided with an air bag in the base, the upper end of the air bag is fixedly connected with a lower metal sheet corresponding to the upper metal sheet, the inner part of the water tank is connected with a sliding plate in a sliding way, the left side and the right side of the lower end of the sliding plate are respectively fixedly connected with springs, the middle side of the lower part of the sliding plate is fixedly connected with a connecting rod, and the lower end of the connecting rod is fixedly connected with a conical column, the spout has been seted up respectively on the rear side and the right side of toper post, the inside of toper post and sliding connection has the push rod in the spout, the inboard end of push rod seted up with the corresponding guide block of spout, the equal fixedly connected with extension plate of outside end of push rod.

Preferably, the upper side of the left part of the base is provided with a first guide ring corresponding to the second guide ring, so that the left part of the base is flush with the support plate.

Preferably, the outer side of the upper leg and the inner side of the first roller are provided with corresponding threads, so that the first roller drives the upper leg to move up and down.

Preferably, a rolling bearing is connected between the upper leg and the lower leg, so that the upper leg is ensured to drive the lower leg to move up and down, the upper part of the cylindrical groove is cylindrical, and the lower part of the cylindrical groove is provided with a rectangular groove, so that the lower leg is further ensured to only slide up and down in the cylindrical groove.

Preferably, the three support legs of the three-leg roller are respectively connected with the joints in a sliding manner, and are internally provided with damping springs, so that climbing movement on uneven ground is facilitated.

Preferably, the size of the rectangular groove is matched with that of the tripod roller, so that the tripod roller is convenient to fold and unfold.

Preferably, the upper outer side of the first roller is provided with an annular groove corresponding to the first belt, so that the stability of the movement of the first belt is ensured.

Preferably, the gears are located at the inner and upper parts of the base and are respectively engaged with the outer sides of the first and second rollers, thereby reducing additional driving devices.

Preferably, corresponding threads are arranged inside the second roller and outside the fixing nail, so that the second roller drives the fixing nail to move up and down.

Preferably, the base is internally provided with a sliding groove corresponding to the extension plate, so that the extension plate is ensured to be folded and unfolded, and the overall space utilization is further reduced.

(III) advantageous effects

Compared with the prior art, the invention provides a building foundation pit supporting device with functions of sinking prevention and water removal, which has the following beneficial effects:

1. this building foundation pit supporting device with prevent sinking and dewatering, drive the corotation of gear through the drive pivot, the gear drives second gyro wheel and first gyro wheel rotation through its upper portion and tooth of lower part respectively, first gyro wheel drives upper portion leg spiral upwards, because the lower part leg is provided with the spout in the lower part of cylindricality groove, then the upper portion leg drives lower part leg rebound through antifriction bearing, the lower part leg drives the shrink of tripod gyro wheel, and simultaneously, the second gyro wheel drives the staple and moves down, the staple advances to the ground end fixedly, four first gyro wheels and four second gyro wheels simultaneous movement are guaranteed respectively to first belt and second belt, this structure has reached the effect of simultaneous control tripod gyro wheel and staple simultaneous working, thereby avoid loaded down with trivial details and too much working strength of adjusting one by one.

2. This building foundation ditch supporting device with prevent sinking and dewatering, promote the kickboard through water and shift up, the air that its upside was extruded to the kickboard enters into the gasbag, the gasbag inflation drives lower sheetmetal on it and contacts with last sheetmetal, circuit between sheetmetal and the last sheetmetal is linked together down, water pumping device takes out the water of base downside through the water pipe in the water tank, the effect of automatic dewatering is reached to this structure, thereby avoid water infiltration in soil, thereby make soil soft, the condition of slope and sunken easily appears in foundation ditch wall supporting device.

3. This building foundation ditch supporting device with prevent sinking and dewatering, the continuous increase of water through in the water tank, the water gravity increase in the water tank promotes sliding plate extrusion spring downstream, the sliding plate passes through the connecting rod and drives toper post downstream, spout extrusion push rod on the toper post moves to the outside, the push rod drives the extension board and moves to the outside, this structure has reached the lifting surface area of increase base, thereby avoid soil to soften, slope and sunken easily appear in foundation ditch wall supporting device, the effect of strutting of building foundation ditch has further been guaranteed.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;

FIG. 3 is a cross-sectional view of the structure of FIG. 1 taken along line B-B in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

FIG. 5 is a cross-sectional view of the structure of FIG. 2 taken at D-D in accordance with the present invention;

FIG. 6 is a schematic top view of a base portion of the present invention;

FIG. 7 is a cross-sectional view of the structure of FIG. 6 at E in accordance with the present invention;

FIG. 8 is a sectional view of the right internal part of the base of the present invention.

In the figure: 1 base, 101 rotating columns, 102 arc-shaped grooves, 103 column-shaped grooves, 104 rectangular grooves, 105 filter screens, 106 upper metal sheets, 2 supporting plates, 201 guide ring I, 3 inserting plates, 4 gears, 401 rotating shafts, 5 first rollers, 501 annular teeth, 6 supporting legs, 601 upper legs, 602 lower legs, 7 tripod rollers, 8 first belts, 9 second rollers, 10 fixing nails, 11 second belts, 12 water tanks, 13 water pipes, 14 floating plates, 15 air bags, 1501 lower metal sheets, 16 sliding plates, 17 springs, 18 connecting rods, 19 conical columns, 1901 sliding grooves, 20 push rods, 2001 guide blocks and 21 extension plates.

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. 1-8, a building foundation pit supporting device with sinking prevention and water removal functions comprises a base 1, wherein the base 1 comprises: rotating column 101, arc groove 102, cylindrical groove 103, rectangular channel 104, filter screen 105 and last sheetmetal 106, the left side upper portion of base 1 just rotates in the outside of rotating column 101 and is connected with backup pad 2, and the right side of backup pad 2 is provided with guide ring one 201, and base 1's left part upside has been seted up with two 202 corresponding guide ring one 201 of guide ring to guarantee the parallel and level of the left part of base 1 and backup pad 2. The inside of guide ring 201 just is provided with picture peg 3 on base 1, and the right front side rotation in inside of base 1 is connected with gear 4, and the inside of gear 4 just is in base 1 fixedly connected with pivot 401, and the left side meshing of inclining backward of gear 4 is connected with first gyro wheel 5, and the lower part outside of first gyro wheel 5 is provided with annular tooth 501, and the internal thread of first gyro wheel 5 is connected with landing leg 6, and landing leg 6 includes: the upper leg 601 and the lower leg 602, the outer side of the upper leg 601 and the inner side of the first roller 5 are provided with corresponding threads, so that the first roller 5 is ensured to drive the upper leg 601 to move up and down, a rolling bearing is connected between the upper leg 601 and the lower leg 602, so that the upper leg 601 is ensured to drive the lower leg 602 to move up and down, the upper part of the cylindrical groove 103 is cylindrical, the lower part of the cylindrical groove is provided with a rectangular groove, and the lower leg 602 can only slide up and down in the cylindrical groove 103. The lower end of the lower leg 602 is fixedly connected with the tripod roller 7, the size of the rectangular groove 104 is matched with the size of the tripod roller 7, so that the tripod roller 7 can be conveniently folded and unfolded, the three support legs of the tripod roller 7 are respectively connected with the joints in a sliding manner, and a damping spring is arranged in the three support legs, so that the three support legs can conveniently climb on the uneven ground. The outside roll connection in upper portion of first gyro wheel 5 has first belt 8, and the ring channel corresponding with first belt 8 is seted up in the upper portion outside of first gyro wheel 5 to guarantee the stability of first belt 8 motion.

A second roller 9 is engaged and connected to the right front side of the gear 4 and the upper side of the base 1, and the gear 4 is located inside and above the base 1 and engaged and connected to the outer sides of the first roller 5 and the second roller 9, respectively, thereby reducing additional driving means. The inside threaded connection of second gyro wheel 9 has staple 10, and the inside of second gyro wheel 9 and the outside of staple 10 are provided with corresponding screw thread to guarantee that second gyro wheel 9 drives staple 10 and reciprocates. A second belt 11 is connected with the outer side of the second roller 9 in a rolling manner, a water tank 12 is arranged in the middle between the second rollers 9 and on the base 1, a water pipe 13 is fixedly connected with the right end of the water tank 12, a floating plate 14 is arranged on the left side of the lower part of the water pipe 13 and on the position of the filter screen 105, an air bag 15 is arranged on the upper side of the floating plate 14 and in the base 1, a lower metal sheet 1501 corresponding to the upper metal sheet 106 is fixedly connected with the upper end of the air bag 15, a sliding plate 16 is connected with the inner part of the water tank 12 in a sliding manner, springs 17 are respectively fixedly connected with the left side and the right side of the lower end of the sliding plate 16, a connecting rod 18 is fixedly connected with the middle side of the lower part of the sliding plate 16, a conical column 19 is fixedly connected with the lower end of the connecting rod 18, sliding grooves 1901 are respectively formed in the rear side and the right side of the conical column 19, a push rod 20 is connected with the sliding in the sliding manner, and a guide block 2001 corresponding to the sliding groove 1901 is formed in the inner side of the push rod 20, the outside end of push rod 20 all fixedly connected with extends board 21, and the corresponding spout with extending board 21 is seted up to the inside of base 1 to guarantee the receiving and releasing of extending board 21, further reduce its holistic space and use.

The working principle is as follows: the building foundation pit supporting device with sinking prevention and water removal functions is characterized in that when the building foundation pit supporting device works, a supporting plate 2 is erected around a rotating column 101 and then fixed through an inserting plate 3 and a guide ring 201, the supporting plate 2 is abutted against the supporting plate 2 by pushing the whole device to the position of a foundation pit wall, at the moment, a gear 4 is driven to rotate forwards through a driving rotating shaft 401, the gear 4 drives a second roller 9 and a first roller 5 to rotate through upper teeth and lower teeth of the gear 4 respectively, the first roller 5 drives an upper leg 601 to rotate upwards, the upper leg 601 drives a lower leg 602 to move upwards through a rolling bearing due to the fact that a sliding groove is formed in the lower portion of a cylindrical groove 103, the lower leg 602 drives a three-foot roller 7 to contract, meanwhile, the second roller 9 drives a fixing nail 10 to move downwards, the fixing nail 10 enters the ground to be fixed, and the first belt 8 and the second belt 11 respectively ensure that the four first rollers 5 and the four second rollers 9 move simultaneously, this structure has reached the effect of controlling tripod gyro wheel 7 and staple 10 simultaneous working simultaneously to avoid the loaded down with trivial details and too much working strength who adjusts one by one. When needs dewatering, promote the kickboard 14 through water and move up, the air that kickboard 14 extrudeed its upside enters into gasbag 15, gasbag 15 inflation drives lower sheetmetal 1501 on it and last sheetmetal 106 contact, at this moment, circuit between sheetmetal 1501 and the last sheetmetal 106 is linked together, water pumping device draws the water of base 1 downside to water tank 12 through water pipe 13, the effect of automatic dewatering is reached to this structure, thereby avoid water infiltration in soil, thereby make soil soft, the condition of slope and sunken easily appears in foundation ditch wall supporting device. Through the continuous increase of water in the water tank 12, the water gravity increase in the water tank 12 promotes the sliding plate 16 and extrudes spring 17 and move down, sliding plate 16 drives toper post 19 through connecting rod 18 and moves down, spout 1901 extrusion push rod 20 on the toper post 19 moves to the outside, push rod 20 drives extension board 21 and moves to the outside, this structure has reached the lifting surface area who increases base 1, thereby avoid soil to become soft, slope and sunken easily appear in foundation ditch wall supporting device, the supporting effect of building foundation ditch has further been guaranteed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building foundation ditch support device with prevent sinking and dewatering, includes base (1), its characterized in that: the base (1) comprises: rotating column (101), arc wall (102), column groove (103), rectangular channel (104), filter screen (105) and last sheetmetal (106), the left side upper portion of base (1) just rotates in the outside of rotating column (101) and is connected with backup pad (2), the right side of backup pad (2) is provided with guide ring (201), the inside of guide ring (201) just is provided with picture peg (3) on base (1), the inside right side front side of base (1) rotates and is connected with gear (4), the inside of gear (4) just is in base (1) fixedly connected with pivot (401), the left side back meshing of gear (4) is connected with first gyro wheel (5) partially, the lower part outside of first gyro wheel (5) is provided with annular tooth (501), the internal thread of first gyro wheel (5) is connected with landing leg (6), landing leg (6) include: the lower end of the lower leg (602) is fixedly connected with a three-foot roller (7), the outer part of the upper part of the first roller (5) is connected with a first belt (8) in a rolling manner, the right front side of the gear (4) is meshed with a second roller (9) on the upper side of the base (1), the inner part of the second roller (9) is connected with a fixing nail (10) in a threaded manner, the outer side of the second roller (9) is connected with a second belt (11) in a rolling manner, a water tank (12) is arranged on the base (1), the water tank (12) is positioned in the middle between the second rollers (9), the right end of the water tank (12) is fixedly connected with a water pipe (13), the left side of the lower part of the water pipe (13) is provided with a floating plate (14) at the position of the filter screen (105), an air bag (15) is arranged on the upper side of the floating plate (14) and in the base (1), the upper end of the air bag (15) is fixedly connected with a lower metal sheet (1501) corresponding to the upper metal sheet (106), the inside sliding connection of water tank (12) has sliding plate (16), the lower extreme left and right sides of sliding plate (16) is fixedly connected with spring (17) respectively, side fixedly connected with connecting rod (18) in the lower part of sliding plate (16), the lower extreme fixedly connected with toper post (19) of connecting rod (18), spout (1901) have been seted up respectively to the rear side and the right side of toper post (19), the inside of toper post (19) and sliding connection have push rod (20) in spout (1901), guide block (2001) corresponding with spout (1901) have been seted up to the inboard end of push rod (20), the equal fixedly connected with extension board (21) of outside end of push rod (20).

2. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: and a second guide ring (202) corresponding to the first guide ring (201) is arranged on the upper side of the left part of the base (1).

3. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: corresponding threads are arranged on the outer side of the upper leg (601) and the inner side of the first roller (5).

4. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: a rolling bearing is connected between the upper leg (601) and the lower leg (602).

5. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: the three support legs of the three-leg roller (7) are respectively connected at the joints in a sliding manner, and damping springs are arranged in the three support legs.

6. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: the size of the rectangular groove (104) is adapted to the size of the three-foot roller (7).

7. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: and an annular groove corresponding to the first belt (8) is formed in the outer side of the upper part of the first roller (5).

8. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: the gears (4) are positioned inside and on the upper part of the base (1) and are respectively meshed and connected with the outer sides of the first roller (5) and the second roller (9).

9. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: corresponding threads are arranged inside the second roller (9) and outside the fixing nail (10).

10. The building foundation pit supporting device with sinking prevention and water removal functions according to claim 1, wherein: the base (1) is internally provided with a sliding chute corresponding to the extension plate (21).