CN212359682U

CN212359682U - Floating moving mud device for drilling dewatering well in ultra-deep foundation pit of earth wall enclosure

Info

Publication number: CN212359682U
Application number: CN202020384771.6U
Authority: CN
Inventors: 杨前; 杨安琪
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-01-15
Anticipated expiration: 2030-03-24

Abstract

The utility model provides a precipitation well drilling is with floating removal mud device in super deep foundation ditch is protected to basement, includes that a plurality of steels protect a section of thick bamboo, mud case, flotation pontoon, slush pump, its characterized in that: the steel protects a section of thick bamboo for cooperating the whole steel of vertical setting that the interior precipitation well drilling of earth wall enclosure ultra-deep foundation ditch was used and protects, the mud case is the open steel sheet in top box that welds, and the both sides of mud case respectively weld the flotation pontoon through horizontal flotation pontoon leg joint, and the nearly apical aperture position in one side of mud case is equipped with the check valve that is used for making the overflow, and the opposite side of the mud case opposite with the check valve sets up rubber pad and lantern ring, the slush pump sets up in mud case box internal bottom, and the slush pump is equipped with the mud discharge pipe with the outside mud sedimentation tank intercommunication of foundation ditch. The utility model discloses an advantage that has the structure and set up ingeniously, it is convenient that showy traction on water removes, and mud can not be excessive during the drilling, can concentrate and deal with the non-staining environment, and the drilling floats and removes mud device can repetitious usage and reduce engineering cost many times.

Description

Floating moving mud device for drilling dewatering well in ultra-deep foundation pit of earth wall enclosure

Technical Field

The utility model relates to a float and remove mud device, specifically speaking is a precipitation well drilling is with floating and remove mud device in ultra-deep foundation ditch is protected to basement wall.

Background

During construction of the ultra-deep foundation pit, the enclosure structure is adopted to form a closed enclosure waterproof curtain for the foundation pit, and then earth excavation and structural construction are carried out in the foundation pit. Confined water of the lower part of the foundation pit can cause the damage of gushing suddenly to the soil body inside the foundation pit during the earth excavation of the ultra-deep foundation pit, and the water and soil loss which appears when the confined water of the lower part of the foundation pit occurs the gushing suddenly can bring serious damage to the foundation pit and the surrounding environment. Therefore, when the foundation pit suddenly gushes, water injection into the foundation pit can be adopted to balance the upward jacking force of the confined water, the height of the water injection is required to be consistent with the height of the confined water head, the effect of pressure balance is achieved, and the pressure reduction water pipe well is generally required to be constructed inside and outside the suddenly gushing foundation pit after the water injection, so that the height of the confined water head is reduced, and the requirements of safe excavation and internal structure construction of the foundation pit are met. Therefore, the floating mobile mud device for drilling the dewatering well in the ground wall enclosure ultra-deep foundation pit, which meets the requirements of safe excavation of the foundation pit and construction of an internal structure, becomes a technical problem to be solved urgently in the field.

Disclosure of Invention

The utility model aims at providing a ground wall enclosure precipitation well drilling in ultra-deep foundation ditch is with showy removal mud device for solving in the ultra-deep foundation ditch underwater protects a precipitation well drilling mud circulation replacement entirely.

In order to achieve the above object, the technical solution of the present invention is:

the utility model provides a precipitation well drilling is with floating removal mud device in super deep foundation ditch is protected to basement, includes that a plurality of steels protect a section of thick bamboo, mud case, flotation pontoon, slush pump, its characterized in that:

the steel casing is a vertically arranged all-steel casing for drilling a dewatering well in an ultra-deep foundation pit and is matched with a ground wall for enclosing, a steel casing slurry discharge pipe is arranged at the top of the steel casing, and the steel casing is distributed at each position in the foundation pit;

the mud box is a box body formed by welding steel plates with an opening at the top, the two sides of the mud box are respectively welded with a buoy connected through a horizontal buoy bracket, and the bottom of the buoy is provided with a buoy bracket fixedly welded with the side surface of the mud box; one side of the mud box, which is close to the top opening, is provided with a one-way valve for overflowing, and the one-way valve can prevent mud in the mud box from being filled fully and overflow out of the box body; the other side of the mud box opposite to the one-way valve is provided with a rubber pad and a lantern ring, the rubber pad is divided into an upper block and a lower block which are respectively bound and fixed with the mud box so as to prevent the mud box from colliding with the steel casing when the mud box is in sliding connection with the steel casing; the lantern rings are fixedly welded on two sides of the mud box, the steel rings are connected with the lantern ropes, the mud box is movably connected with the steel protective cylinder in a surrounding manner by the lantern ropes, and the mud discharging pipe of the steel protective cylinder is aligned to the top opening of the mud box;

the mud pump is arranged at the bottom in the mud box body and is provided with a mud discharge pipe communicated with a mud sedimentation tank outside the foundation pit.

The utility model discloses a precipitation well drilling is with floating removal mud device in ultra-deep foundation ditch of ground wall enclosure can also adopt following technical measure to further realize.

According to the floating slurry moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall, the slurry discharge pipe of the steel casing is a bent pipe in a curved ruler shape, one end of the slurry discharge pipe is welded and communicated with the steel casing, and the other end of the slurry discharge pipe is vertically downward.

According to the floating slurry moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall, the size of the box body is larger than or equal to 3000mm in length, larger than or equal to 2000mm in width and larger than or equal to 2500mm in height.

The floating slurry moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall is characterized in that the slurry pump is electrically connected with a power supply.

The floating and moving mud box can float and move on the water surface of the irrigation water in the foundation pit.

According to the floating mobile mud device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall, the casing rope is a steel wire rope.

The floating mobile mud device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall is characterized in that the steel plate is made of Q345B, and the thickness of the steel plate is more than or equal to 25 mm.

According to the floating slurry moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall, the buoy is a cylindrical barrel, the length is more than or equal to 2800mm, and the diameter is more than or equal to 800 mm.

According to the floating mobile mud device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall, the rubber pad is more than or equal to 1000mm in length, more than or equal to 300mm in width and more than or equal to 30mm in thickness.

After the technical scheme is adopted, the utility model discloses a precipitation well drilling is with floating removal mud device in ultra-deep foundation ditch of ground wall enclosure has following advantage:

1. the floating moving slurry device is skillfully arranged, and is convenient to float, pull and move on water;

2. the mud can not overflow when drilling, can be disposed intensively and does not pollute the environment;

3. the drilling floating moving mud device can be repeatedly used for many times, and the engineering cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a floating mobile mud device according to an embodiment of the present invention;

3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3

Fig. 3 is a cross-sectional view of B-B in fig. 1.

In the figure: 1 steel protects a section of thick bamboo, 2 mud casees, 3 flotation pontoons, 4 check valves, 5 rubber pads, 6 set ropes, 7 lantern rings, 8 steel protects a section of thick bamboo mud pipe, 9 mud discharge pipes, 10 slush pumps, 11 foundation ditch surface of water, 12 flotation pontoon brackets, 13 flotation pontoon supports.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Example 1

The utility model discloses a precipitation well drilling is with floating removal mud circulating device in ultra-deep foundation ditch of ground wall enclosure is a float removal mud device of a whole section of thick bamboo drilling that protects under water, including mud tank 2, balanced flotation pontoon 3, lantern ring 7, set rope 6, check valve 4, slush pump 10 etc. are constituteed, balanced flotation pontoon 3 is fixed on the mud box by flotation pontoon support 13 and flotation pontoon bracket 12 welded connection, the lantern ring, set rope 6 because the showy removal mud device of interim fixed drilling and steel protect a section of thick bamboo 1, the slush pump is used for drilling mud to discharge, the check valve is used for mud in the mud tank to prevent to fill one-way overflow.

3 referring 3 to 3 fig. 3 1 3 to 3 3 3, 3 fig. 3 1 3 is 3 a 3 schematic 3 structural 3 diagram 3 of 3 a 3 floating 3 slurry 3 moving 3 device 3 according 3 to 3 an 3 embodiment 3 of 3 the 3 present 3

invention

3, 3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 of 3 a 3- 3 a 3 in 3 fig. 3 1 3, 3 and 3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 of 3 b 3- 3 b 3 in 3 fig. 3 1 3. 3 As shown, the floating mobile mud device floats on the surface 11 of the foundation pit. When the device is used, a hole is formed in the upper part of a steel casing 1 in an ultra-deep foundation pit after irrigation, a steel casing slurry discharge pipe 8 is welded, then a drilling floating moving slurry device floats on water and is drawn to the position of the steel casing of a continuous drilling hole, the upper opening of a slurry box is open, slurry can be conveniently poured into the steel casing and observed in the slurry level, the length of the slurry box is 3000mm, the width of the slurry box is 2000mm, the height of the slurry box is 2500mm, the length of a balance buoy is 2800mm, the diameter of the slurry box is 800mm, the drilling floating moving slurry device and the steel casing are fixed by using a lantern ring and a sleeve rope after being aligned with the slurry discharge pipe opening of the steel casing, the specifications of two buffer rubber pads are 1000mm, 300mm and 30mm in length, the two buffer rubber pads are fixedly anchored on the surface of the slurry box butted with the steel casing, and the functions of buffering and protecting the; when the slurry in the steel casing is full to 8 openings of the slurry discharge pipe of the steel casing during drilling, the slurry flows into the slurry tank, the balance buoy can play a role in balance, overturn prevention and bearing after the slurry tank bears the weight, when the slurry amount reaches the discharge volume, the slurry pump is started to discharge the slurry to a slurry sedimentation tank outside the foundation pit through the slurry discharge pipe 9, and the slurry is sent to the steel casing for recycling after sedimentation; after the well hole is drilled, the drilling floating moving mud device is dragged to the next steel casing to be drilled in a floating mode, and the operation is repeated, so that the operation is repeated, and the underwater full casing drilling operation in the ultra-deep water injection foundation pit is completed.

The utility model has the advantages of substantively characteristics and the technological progress that is showing, the utility model discloses a precipitation well drilling is with showy removal mud device sets up exquisitely in the ultra-deep foundation ditch of ground wall enclosure, can float on water conveniently and pull the removal, and mud can not be excessive during the drilling, can concentrate and deal with the non-staining environment, and the drilling floats and removes mud device repeatedly usable many times.

The above embodiments are provided only for the purpose of illustration, and not for the purpose of limitation, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention, which is defined by the claims.

Claims

1. The utility model provides a precipitation well drilling is with floating removal mud device in super deep foundation ditch is protected to basement, includes that a plurality of steels protect a section of thick bamboo, mud case, flotation pontoon, slush pump, its characterized in that:

the mud box is a box body formed by welding steel plates with an opening at the top, the two sides of the mud box are respectively welded with a buoy connected through a horizontal buoy bracket, and the bottom of the buoy is provided with a buoy bracket fixedly welded with the side surface of the mud box; one side of the mud box, which is close to the top opening, is provided with a one-way valve for overflowing, and the one-way valve can prevent mud in the mud box from being filled fully and overflow out of the box body; the other side of the mud box opposite to the one-way valve is provided with a rubber pad and a lantern ring, the rubber pad is divided into an upper block and a lower block, and the upper block and the lower block are fixedly anchored on the surface in butt joint with the steel casing respectively with the mud box so as to prevent the mud box from colliding with the steel casing when the mud box is in sliding connection with the steel casing; the lantern rings are fixedly welded on two sides of the mud box, the steel rings are connected with the lantern ropes, the mud box is movably connected with the steel protective cylinder in a surrounding manner by the lantern ropes, and the mud discharging pipe of the steel protective cylinder is aligned to the top opening of the mud box;

2. The floating slurry moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall as claimed in claim 1, wherein the slurry discharge pipe of the steel casing is a bent pipe with a curved ruler shape, one end of the slurry discharge pipe is in welding communication with the steel casing, and the other end of the slurry discharge pipe is vertically downward.

3. The floating slurry moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall as claimed in claim 1, wherein the size of the box body is more than or equal to 3000mm in length, more than or equal to 2000mm in width and more than or equal to 2500mm in height.

4. The floating mud moving device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall according to claim 1, wherein the mud pump is electrically connected with a power supply.

5. The apparatus of claim 1, wherein the mud tank is capable of moving in a floating manner on the surface of the water to be poured in the foundation pit.

6. The device of claim 1, wherein the casing rope is a steel wire rope.

7. The floating mobile mud device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall as claimed in claim 1, wherein the steel plate is made of Q345B and has a thickness of 25 mm.

8. The device for floating and moving the slurry for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall as claimed in claim 1, wherein the buoy is a cylindrical barrel with a length of 2800mm or more and a diameter of 800mm or more.

9. The floating mobile mud device for drilling the dewatering well in the ultra-deep foundation pit surrounded by the ground wall as claimed in claim 1, wherein the rubber pad has a specification length of more than or equal to 1000mm, a width of more than or equal to 300mm and a thickness of more than or equal to 30 mm.