CN112459097A

CN112459097A - Be used for deep sand type soil deep basal pit excavation water level control device

Info

Publication number: CN112459097A
Application number: CN202011273013.8A
Authority: CN
Inventors: 熊巧云; 王焕发
Original assignee: Individual
Current assignee: Hunan Hengbang Construction Project Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-03-09
Anticipated expiration: 2040-11-14
Also published as: CN112459097B

Abstract

The invention discloses a water level control device for deep foundation pit excavation of deep sand soil. The invention has the beneficial effects that: one end of the supporting plate, which is far away from the base, is connected with a first supporting rod in a sliding manner, and the first supporting rod is connected with a second supporting rod in a sliding manner, so that the bottom end of the second supporting rod can be enabled to be always abutted against the bottom of the foundation pit in the excavation process of the foundation pit, the distance from the floating ball to the bottom of the foundation pit can be controlled, the water level in the foundation pit can be controlled conveniently, and the foundation pit can be excavated conveniently; lantern ring sliding connection is in the second bracing piece, and the lantern ring is located between first bracing piece and the floater, is favorable to controlling the position of floater on the second bracing piece, is convenient for control the unchangeable of the water level of ponding in the foundation ditch, is favorable to pumping water of the mechanism that draws water on the floater, makes things convenient for the excavation of foundation ditch.

Description

Be used for deep sand type soil deep basal pit excavation water level control device

Technical Field

The invention relates to a water level control device, in particular to a water level control device for deep foundation pit excavation of deep sand soil, and belongs to the technical field of buildings.

Background

The foundation pit is a soil pit excavated 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 the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a building is excavated deeply and nearby, the method of supporting the foundation pit wall, the method of protecting the wall by spraying concrete, the method of interlocking a large foundation pit even by adopting an underground continuous wall and column type cast-in-situ bored piles and the like can be used for preventing the outside soil layer from collapsing.

However, after the foundation pit is excavated, due to the gradual reduction of the bottom of the foundation pit, rainwater can be accumulated at the bottom of the foundation pit in rainy days, and the side wall of the foundation pit can seep water to enter the foundation pit for accumulation at the bottom of the foundation pit, so that a mud layer at the bottom of the foundation pit can be softened by storing a certain amount of accumulated water at the bottom of the foundation pit, and the excavation is facilitated; however, once the accumulated water is too deep, a certain amount of resistance is generated to the excavation work of the foundation pit, and the machine can be soaked in serious conditions, so that the machine cannot work; the water pump is utilized to pump water to the bottom end of the foundation pit in the prior art, drainage of the foundation pit is facilitated, but when the water pump is used, the water level cannot be controlled, and water in the foundation pit can be completely pumped out, so that the excavation work of the foundation pit is influenced.

Disclosure of Invention

The invention aims to solve the problems and provide a water level control device for deep foundation pit excavation of deep sand soil, which can control the water level in the foundation pit, is convenient for draining accumulated water and is convenient for excavation of the foundation pit.

The invention realizes the aim through the following technical scheme, and the water level control device for excavation of the deep foundation pit of the deep sand soil comprises a base, wherein a sliding mechanism is fixed on the base and comprises a supporting plate, a first supporting rod and a second supporting rod, the supporting plate is fixedly connected to the side wall of the base, one end, deviating from the base, of the supporting plate is connected with the first supporting rod in a sliding manner, the first supporting rod is connected with the second supporting rod in a sliding manner, and the second supporting rod is connected with a spherical floating ball in a sliding manner; the floating ball is fixedly connected with a water pumping mechanism, and the water pumping mechanism is arranged at the top end of the base; the second bracing piece sliding connection has stop gear, stop gear includes the lantern ring, lantern ring sliding connection in the second bracing piece, the lantern ring is located first bracing piece with between the floater.

Preferably, in order to prevent the first support rod from being detached from the support plate, the sliding mechanism further includes a projection, a cylindrical shape of which is fixed to a top end of the first support rod, and a diameter of the projection is larger than a diameter of the first support rod.

Preferably, in order to enable the second support rod to slide only in the first support rod without rotating, the sliding mechanism further comprises sliding blocks, the sliding blocks are symmetrically fixed on the side wall of the second support rod, and the sliding blocks are slidably connected to the first support rod.

Preferably, in order to prevent the floating ball from being separated from the second support rod, the sliding mechanism further includes a fixing plate, and the fixing plate is fixed to an end of the second support rod, which is away from the protrusion.

Preferably, in order to facilitate the positioning of the lantern ring, the limiting mechanism further comprises a stop pin, the stop pin is in threaded connection with the lantern ring, and the stop pin abuts against the outer wall of the second support rod.

Preferably, in order to realize the function of drawing water, the mechanism of drawing water includes water pump, outlet pipe, inlet tube and fixed block, water pump fixed mounting in on the base, the water pump has cup jointed the outlet pipe, the water pump has cup jointed the inlet tube, the fixed block is fixed in the outer wall of floater, the inlet tube deviate from cup joint in of outlet pipe the fixed block.

Preferably, in order to protect the water pump, the pumping mechanism further comprises a filter screen, and the filter screen is fixed on the inner wall of one end, deviating from the water pump, of the water inlet pipe.

The invention has the beneficial effects that: one end of the supporting plate, which is far away from the base, is connected with a first supporting rod in a sliding manner, and the first supporting rod is connected with a second supporting rod in a sliding manner, so that the bottom end of the second supporting rod can be enabled to be always abutted against the bottom of the foundation pit in the excavation process of the foundation pit, the distance from the floating ball to the bottom of the foundation pit can be controlled, the water level in the foundation pit can be controlled conveniently, and the foundation pit can be excavated conveniently; lantern ring sliding connection is in the second bracing piece, and the lantern ring is located between first bracing piece and the floater, is favorable to controlling the position of floater on the second bracing piece, is convenient for control the unchangeable of the water level of ponding in the foundation ditch, is favorable to pumping water of the mechanism that draws water on the floater, makes things convenient for the excavation of foundation ditch.

Drawings

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

FIG. 2 is a schematic view of a connection structure of the sliding mechanism and the float ball shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of a connection structure of the pumping mechanism and the sliding mechanism shown in fig. 1.

In the figure: 1. the base, 2, pumping mechanism, 21, water pump, 22, outlet pipe, 23, inlet tube, 24, fixed block, 25, filter screen, 3, slide mechanism, 31, backup pad, 32, first bracing piece, 33, lug, 34, second bracing piece, 35, fixed plate, 36, slider, 4, floater, 5, stop gear, 51, the lantern ring, 52, stop pin.

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. 1-4, a water level control device for excavation of a deep foundation pit in deep sand soil comprises a base 1, wherein a sliding mechanism 3 is fixed on the base 1, the sliding mechanism 3 comprises a supporting plate 31, a first supporting rod 32 and a second supporting rod 34, the supporting plate 31 is fixedly connected to the side wall of the base 1, one end of the supporting plate 31, which is far away from the base 1, is slidably connected with the first supporting rod 32, the first supporting rod 32 is slidably connected with the second supporting rod 34, and the second supporting rod 34 is slidably connected with a spherical floating ball 4; the floating ball 4 is fixedly connected with a water pumping mechanism 2, and the water pumping mechanism 2 is arranged at the top end of the base 1; the second support rod 34 is slidably connected with a limiting mechanism 5, the limiting mechanism 5 comprises a lantern ring 51, the lantern ring 51 is slidably connected with the second support rod 34, and the lantern ring 51 is arranged between the first support rod 32 and the floating ball 4.

As a technical optimization solution of the present invention, the sliding mechanism 3 further includes a protrusion 33, the cylindrical protrusion 33 is fixed on the top end of the first support rod 32, and the diameter of the protrusion 33 is larger than the diameter of the first support rod 32.

As a technical optimization scheme of the present invention, the sliding mechanism 3 further includes a sliding block 36, the sliding block 36 is symmetrically fixed on a side wall of the second supporting rod 34, and the sliding block 36 is slidably connected to the first supporting rod 32.

As a technical optimization scheme of the present invention, the sliding mechanism 3 further includes a fixing plate 35, and the fixing plate 35 is fixed to an end of the second support rod 34 away from the protrusion 33.

As a technical optimization scheme of the present invention, the limiting mechanism 5 further includes a stop pin 52, the stop pin 52 is in threaded connection with the collar 51, and the stop pin 52 abuts against an outer wall of the second support rod 34.

As a technical optimization scheme of the present invention, the water pumping mechanism 2 includes a water pump 21, a water outlet pipe 22, a water inlet pipe 23 and a fixing block 24, the water pump 21 is fixedly installed on the base 1, the water pump 21 is sleeved with the water outlet pipe 22, the water pump 21 is sleeved with the water inlet pipe 23, the fixing block 24 is fixed on the outer wall of the floating ball 4, and the water inlet pipe 23 is away from the water outlet pipe 22 and is sleeved with the fixing block 24.

As a technical optimization scheme of the present invention, the water pumping mechanism 2 further includes a filter screen 25, and the filter screen 25 is fixed on an inner wall of one end of the water inlet pipe 23 facing away from the water pump 21.

When the device is used, the base 1 is fixed on the ground at the top end of a foundation pit by using screws, the fixing plate 35 fixed at the bottom end of the second supporting rod 34 is abutted to the bottom end of the foundation pit, the lantern ring 51 on the second supporting rod 34 is slid, the distance between the lantern ring 51 and the fixing plate 35 is adjusted, and then the stop pin 52 is screwed down, so that the sliding distance of the floating ball 4 on the second supporting rod 34 is controlled, and the water level in the foundation pit is conveniently controlled; then the power is switched on, the water pump 21 starts to work, the water inlet pipe 23 sleeved with the fixed block 24 on the floating ball 4 sucks water under the action of the water pump 21, then the water is discharged from the water outlet pipe 22 through the water pump 21, and the filter screen 25 filters silt and small stones in the water to protect the water pump 21; in the process of digging under the foundation pit, the gravity of the fixing plate 35 of the second support rod 34 is greater, so that the second support rod 34 is driven to connect the first support rod 32 to slide in the support plate 31 in the direction of the fixing plate 35, and the floating ball 4, the fixing plate 35 and the second support rod 34 can slide in the direction away from the base 1, when the protrusion 33 abuts against the support plate 31, when the foundation pit continues to dig deeply, the fixing plate 35 can drive the second support rod 34 to slide in the first support rod 32, and the slider 36 can drive the second support rod 34 to slide and not rotate, so as to facilitate the sliding of the second support rod 34, the water inlet pipe 23 cannot be wound on the second support rod 34, and when the first support rod 32 slides on the support plate 31 under the driving of the fixing plate 35 and the second support rod 34 slides in the first support rod 32, the depth of the foundation pit is increased, so that the depth of the accumulated water in the foundation pit is increased, floater 4 removes to the direction that deviates from base 1 along with fixed plate 35, because fixed plate 35 contradicts at the bottom of the pit in the foundation ditch all the time to make the distance between floater 4 and the foundation ditch pit bottom certain, when the degree of depth grow of ponding, inlet tube 23 on the floater 4 exceeds the ponding of floater 4 suction under the effect of water pump 21, thereby be convenient for control the water level of the ponding in the foundation ditch, be favorable to the excavation of foundation ditch.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a be used for dark sand type soil deep basal pit excavation water level control device, includes base (1), its characterized in that: a sliding mechanism (3) is fixed on the base (1), the sliding mechanism (3) comprises a supporting plate (31), a first supporting rod (32) and a second supporting rod (34), the supporting plate (31) is fixedly connected to the side wall of the base (1), one end, away from the base (1), of the supporting plate (31) is connected with the first supporting rod (32) in a sliding mode, the first supporting rod (32) is connected with the second supporting rod (34) in a sliding mode, and the second supporting rod (34) is connected with a spherical floating ball (4) in a sliding mode; the floating ball (4) is fixedly connected with a water pumping mechanism (2), and the water pumping mechanism (2) is arranged at the top end of the base (1); second bracing piece (34) sliding connection has stop gear (5), stop gear (5) are including lantern ring (51), lantern ring (51) sliding connection in second bracing piece (34), lantern ring (51) are located first bracing piece (32) with between floater (4).

2. The device for controlling the water level for the excavation of the deep foundation pit with the deep sand soil according to claim 1, wherein: the sliding mechanism (3) further comprises a convex block (33), the convex block (33) is cylindrical and is fixed at the top end of the first supporting rod (32), and the diameter of the convex block (33) is larger than that of the first supporting rod (32).

3. The device for controlling the water level for the excavation of the deep foundation pit with the deep sand soil according to claim 1, wherein: the sliding mechanism (3) further comprises a sliding block (36), the sliding block (36) is symmetrically fixed on the side wall of the second supporting rod (34), and the sliding block (36) is connected to the first supporting rod (32) in a sliding mode.

4. The device for controlling the water level of the deep foundation pit excavation for the deep sand type soil according to claim 2, wherein: the sliding mechanism (3) further comprises a fixing plate (35), and the fixing plate (35) is fixed at one end, deviating from the lug (33), of the second supporting rod (34).

5. The device for controlling the water level for the excavation of the deep foundation pit with the deep sand soil according to claim 1, wherein: the limiting mechanism (5) further comprises a stop pin (52), the stop pin (52) is in threaded connection with the lantern ring (51), and the stop pin (52) abuts against the outer wall of the second supporting rod (34).

6. The device for controlling the water level for the excavation of the deep foundation pit with the deep sand soil according to claim 1, wherein: draw water mechanism (2) and include water pump (21), outlet pipe (22), inlet tube (23) and fixed block (24), water pump (21) fixed mounting in on base (1), water pump (21) have been cup jointed outlet pipe (22), water pump (21) have been cup jointed inlet tube (23), fixed block (24) are fixed in the outer wall of floater (4), inlet tube (23) deviate from cup joint in of outlet pipe (22) fixed block (24).

7. The device for controlling the water level of the deep foundation pit excavation for the deep sand type soil according to claim 6, wherein: the water pumping mechanism (2) further comprises a filter screen (25), and the filter screen (25) is fixed on the inner wall of one end, deviating from the water pump (21), of the water inlet pipe (23).