CN111188341A - Precipitation device for sandy soil foundation pit - Google Patents
Precipitation device for sandy soil foundation pit Download PDFInfo
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- CN111188341A CN111188341A CN202010246106.5A CN202010246106A CN111188341A CN 111188341 A CN111188341 A CN 111188341A CN 202010246106 A CN202010246106 A CN 202010246106A CN 111188341 A CN111188341 A CN 111188341A
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- fixedly connected
- foundation
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- limiting plate
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a precipitation device for a sandy soil foundation pit, which comprises a water suction pump positioned at the edge of the top of the foundation pit, a water pipe connected with the water suction pump and positioned in the foundation pit, a fixing mechanism for stabilizing the surface of the foundation pit, and a fixing mechanism for supporting the water pump and fixing the water pipe, wherein a water level linkage mechanism for linking the water level of the foundation pit and the working state of the water suction pump is arranged on the fixing mechanism.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a precipitation device for a sandy soil foundation pit.
Background
In recent years, with the continuous development and utilization of underground spaces, a large number of ultra-large deep foundation pit projects emerge. In order to protect the safety of adjacent buildings, roads and municipal pipe networks around a foundation pit, the requirements on the construction technology of the deep foundation pit are higher and higher, particularly, the foundation pit is excavated in a stratum with higher underground water level and stronger water permeability, the safety, the convenience and the economy of foundation pit precipitation construction are highly emphasized by engineering technicians, in the prior art, a water pipe is arranged at the bottom of the foundation pit for drainage, but the water pipe is not firmly fixed, the position is unstable due to easy displacement in the construction process, the ground settlement amount corresponds to the underground water level falling amount, the curved surface distribution of the underground water level falling inevitably causes uneven settlement of the adjacent buildings, so the existing foundation pit precipitation needs to be subjected to site investigation and strict calculation, and a special person needs to be arranged to check the water pumping condition of a water pump in turn in the whole water pumping process, the existing precipitation device for the foundation pit is not provided with a foundation pit water level monitoring device, the water level of the foundation pit needs to be checked specially by workers, if the workers neglect for a while, the underground water is possibly pumped excessively, and safety accidents such as excessive settlement of the periphery are caused.
Therefore, the sand foundation precipitation device for the foundation pit is convenient to fix the water pipe and enable the foundation pit water level and the water pump working state to be linked.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the precipitation device for the sandy soil foundation pit, which is convenient for fixing a water pipe and enables the water level of the foundation pit and the working state of a water pump to be linked.
The purpose of the invention is realized as follows:
a precipitation device for a sand foundation pit comprises a water suction pump, a water pipe, a fixing mechanism, a water pump and a water level linkage mechanism, wherein the water suction pump is arranged at the edge of the top of the foundation pit, the water pipe is connected with the water suction pump and is positioned in the foundation pit, the fixing mechanism is used for stabilizing the surface of the foundation pit, the fixing mechanism is used for supporting the water pump and fixing the water pipe, the fixing mechanism is provided with the water level linkage mechanism used for enabling the water level of the foundation pit to be linked with the working state of the water suction pump, the water level linkage mechanism comprises a shell fixed with the fixing mechanism, a containing cavity positioned in the shell, a floating drum movably connected with the side wall of the containing cavity through a sliding mechanism, a connecting mechanism fixedly connected with the top of the floating drum, a second limiting plate positioned above the floating drum, a first limiting plate positioned above the second limiting plate, an induction switch fixedly connected with the, the inductive switch is connected with the water pump and the power supply in series, and the extrusion switch is connected with the water pump and the power supply in series.
The lower part of casing is equipped with a plurality of inlet openings, coupling mechanism include with the top fixed connection of flotation pontoon and pass the connecting rod of second limiting plate, with the top fixed connection's of connecting rod connecting plate, the connecting rod passes the second limiting plate and removes in vertical direction.
The extrusion switch comprises a spacing block fixedly connected with the lower surface of the connecting plate and a conductive mechanism fixedly connected with the lower surface of the second limiting plate, the conductive mechanism comprises a fixed seat fixedly connected with the lower surface of the second limiting plate, an installation cavity positioned in the fixed seat, a first binding post fixedly connected with the bottom of the installation cavity, a second binding post, a first fixed piece fixedly connected with the top of the first binding post, and a second fixed piece fixedly connected with the top of the second binding post, a first wedge-shaped tip is arranged at the left end of the first fixed piece, a spring piece is arranged at the right end of the second fixed piece, a second wedge-shaped tip is arranged at the right end of the spring piece, the position of the first wedge-shaped tip corresponds to the position of the second wedge-shaped tip, a third wedge-shaped tip is arranged at the bottom of the spacing block, the third wedge-shaped tip is positioned between the first wedge-shaped tip and the second wedge-shaped tip, the first binding post and the second binding post are connected in series with the power supply and the water suction pump through conducting wires.
The right-hand member of second stationary blade is equipped with the holding tank that the opening is right, and the rigid coupling has the spring in the holding tank, and the left end of shell fragment passes through spring fixed connection in the holding tank.
Slide mechanism includes the slider with the surface fixed connection of flotation pontoon, be located the surface that holds the chamber and with slider complex spout, the length direction of spout is vertical direction, the flotation pontoon passes through the cooperation of slider and spout and removes in vertical direction.
The supporting mechanism comprises a plurality of supporting piles which are fixedly connected with the surface of the foundation pit and are in the vertical direction, supporting columns which are connected with two adjacent supporting piles and are in the horizontal direction, supporting plates which are fixedly connected with the tops of the supporting piles and are positioned outside the foundation pit, and a water suction pump is fixedly connected with the upper surfaces of the supporting plates.
The fixing mechanism comprises a reinforcement cage fixedly connected with the support column, and the water pipe and the shell are fixedly connected with the reinforcement cage.
The top of holding the chamber is equipped with the lid, the surface threaded connection of lid and casing.
The first limiting plate is fixedly connected with the side wall containing the cavity through the placing mechanism, the placing mechanisms are arranged in the vertical direction at equal intervals, and the placing mechanism comprises a first placing groove located on the left side face containing the cavity and provided with a right opening, a second placing groove located on the right side face containing the cavity and provided with a left opening, and a spring located in the first placing groove and the second placing groove.
Has the positive and beneficial effects that: the arrangement of the fixing mechanism ensures the stability of the foundation pit, the arrangement of the supporting mechanism is convenient for fixing the water suction pump and the water pipe, and the arrangement of the water level linkage mechanism is convenient for monitoring the water level in the foundation pit and controlling the working state of the water suction pump simultaneously, thereby avoiding safety accidents such as excessive settlement of the periphery and the like caused by excessive underground water extraction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a water level linkage mechanism according to the present invention;
FIG. 3 is a schematic view of the structure of the squeeze switch of the present invention;
FIG. 4 is a circuit diagram of the inductive switch, squeeze switch and suction pump of the present invention;
in the figure, the following steps are carried out: foundation ditch 1, support pile 2, support column 3, steel reinforcement cage 4, backup pad 5, suction pump 6, water pipe 7, water level link gear 8, casing 9, hold chamber 10, flotation pontoon 11, connecting rod 12, connecting plate 13, second limiting plate 14, first touching 15, response piece 16, first limiting plate 17, spacing piece 18, electrically conductive mechanism 19, inlet opening 20, first standing groove 21, second standing groove 22, spring 23, lid 24, slider 25, spout 26, fixing base 27, installation cavity 28, first terminal 29, second terminal 30, first stationary blade 31, second stationary blade 32, shell fragment 33, first wedge point 34, the simple 35 of second wedge, third wedge point 36.
Detailed Description
The invention is further illustrated by the following figures and examples.
Example 1
As shown in fig. 1, a sand ground foundation is precipitation device for pit, including the suction pump 6 that is located 1 top edge of foundation ditch, be connected with suction pump 6 and be located the water pipe 7 in the foundation ditch, still including the fixed establishment that is used for stabilizing 1 surface of foundation ditch, be used for supporting the fixed establishment of suction pump 6 and fixed water pipe 7, be equipped with the water level link gear 8 that is used for making the operating condition linkage of 1 water level of foundation ditch and suction pump 6 on the fixed establishment, support mechanism includes and is connected and be in a plurality of support piles 2 of vertical direction with the fixed surface of foundation ditch 1, is connected and is in the support column 3 of horizontal direction with two adjacent support piles 2, and just is located the outside backup pad 5 of foundation ditch 1 with the top fixed connection of support pile 2, and the upper surface fixed connection of suction pump 6 and backup pad 5. Fixing mechanism includes reinforcing bar 4 with 3 fixed connection of support column, and water pipe 7 and 4 accessible clamp fixed connection of steel reinforcement cage, a plurality of support pile 2 and support column 3 are convenient for with the fixed surface of foundation ditch 1, provide the guarantee for precipitation work, and the setting of steel reinforcement cage 4 makes water pipe 7 and steel reinforcement cage 4 fixed, avoids water pipe 7 to rock and damage.
As shown in fig. 2, the water level linkage mechanism 8 includes a housing fixed to the steel reinforcement cage 4, a containing cavity 10 located in the housing 9, a float 11 movably connected to a side wall of the containing cavity 10 through a sliding mechanism, a connecting mechanism fixedly connected to a top of the float 11, a second limiting plate 14 located above the float 11, a first limiting plate 17 located above the second limiting plate 14, an inductive switch fixedly connected to the first limiting plate 17 and the connecting mechanism, and a squeeze switch fixedly connected to the second limiting plate 14 and the connecting mechanism, the inductive switch 15 is connected in parallel to the squeeze switch, the inductive switch 15 is connected in series to the water pump 6 and the power supply, the squeeze switch is connected in series to the water pump 6 and the power supply to prevent the inductive switch from being damaged and unable to drain water, an inductive piece 16 matched with the inductive switch is disposed at a top of the connecting mechanism, an inductive distance of the inductive switch 15 is a distance between the first limiting plate 17 and the second limiting plate, when inductive switch 15 or extrusion switch are closed, then suction pump 6 begins to work, when the water level in foundation ditch 1 made coupling mechanism's top reach the position between first limiting plate 17 and the second limiting plate 15, inductive switch 15 is closed, then suction pump 6 begins to draw water, when the water level in the foundation ditch made coupling mechanism's top reach the position of second limiting plate 14, inductive switch 15 disconnection, then suction pump 6 stop work, flotation pontoon 11 adopts sealed cylindrical plastic tank, the area of contact with water has been increased, make flotation pontoon 11's buoyancy bigger. Casing 9's lower part is equipped with a plurality of inlet openings 20, be convenient for the water entering in the foundation ditch 1 holds in the chamber 10, avoid the grit entering to hold chamber 10 simultaneously, coupling mechanism includes the connecting rod 12 that just passes second limiting plate 14 with the top fixed connection of flotation pontoon 11, connecting plate 13 with the top fixed connection of connecting rod 12, connecting rod 12 passes second limiting plate 14 and removes in vertical direction, the bottom of connecting rod 12 passes through the adhesive with the top of flotation pontoon 11 and pastes, the top of connecting rod 12 passes through the adhesive with the lower surface of connecting plate 13 and pastes fixedly, when the water level in foundation ditch 1 rises, then flotation pontoon 11 rises, flotation pontoon 11 drives connecting rod 12 and connecting plate 13 and rises, then inductive switch 15 switches on.
As shown in fig. 3 and 4, the squeeze switch includes a spacer 18 fixedly connected to a lower surface of the connection plate 13, and a conductive mechanism 19 fixedly connected to a lower surface of the second limitation plate 14, the spacer 18 is made of a non-conductive material, a top of the spacer 18 is fixedly attached to the lower surface of the connection plate 13 by an adhesive, the conductive mechanism 19 includes a fixing seat 27 fixedly connected to the lower surface of the second limitation plate 14, an installation cavity 28 located in the fixing seat 27, a first terminal 29 fixedly connected to a bottom of the installation cavity 28, a second terminal 30, a first fixing plate 31 fixedly connected to a top of the first terminal 29, and a second fixing plate 32 fixedly connected to a top of the second terminal 30, a first wedge-shaped tip 34 is disposed at a left end of the first fixing plate 31, a spring plate 33 is disposed at a right end of the second fixing plate 32, a second wedge-shaped tip 35 is disposed at a right end of the spring plate 33, a position of the first wedge-shaped tip 34 corresponds to a position of the second, the bottom of the spacer 18 is provided with a third wedge-shaped tip 36, the third wedge-shaped tip 36 is positioned right above the joint of the first wedge-shaped tip 34 and the second wedge-shaped tip 35, the bottom of the spacer 18 penetrates through the fixed seat 27 and moves in the mounting cavity 28, and the first binding post 29 and the second binding post 30 are connected with the power supply and the water pump 6 in series through conducting wires. The right end of the second fixing piece 32 is provided with a containing groove with a rightward opening, a spring is fixedly connected in the containing groove, the left end of the elastic piece 33 is fixedly connected in the containing groove through the spring, the first wedge-shaped tip 34 is in contact with the second wedge-shaped tip 35, and the first wiring terminal 29 is conducted with the second wiring terminal 30.
The sliding mechanism comprises a sliding block 25 fixedly connected with the outer surface of the floating barrel 11, a sliding groove 26 located on the surface of the accommodating cavity 10 and matched with the sliding block 25, the length direction of the sliding groove 26 is the vertical direction, the floating barrel 11 moves in the vertical direction through the matching of the sliding block 25 and the sliding groove 26, and the floating barrel 11 is convenient to move in the vertical direction, so that the inductive switch and the extrusion switch are switched on or off.
When the water level in the foundation pit rises, the buoy 11 moves upwards, the buoy 11 drives the connecting rod 12 and the connecting plate 13 to move upwards together, the inductive switch 15 conducts electricity, the water pump 6 starts to work, if the inductive switch 15 is broken and cannot work, when the water in the foundation pit 1 is raised all the time, the spacer 18 moves upward until the connection plate 13 contacts the lower surface of the first restriction plate 17, at which time the third wedge tip 36 is separated from the first wedge tip 34 and the second wedge tip 35, the first wedge tip 34 and the second wedge tip 35 are connected, namely, the first terminal 29 and the second terminal 30 are conducted, the water pump 6 starts to work, the water level in the foundation pit 1 is lowered, the buoy 11 drives the connecting rod 12 and the connecting plate 13 to move downwards, the third wedge tip 36 moves downward to separate the first wedge tip 34 from the second wedge tip 35 and the water pump 6 stops operating.
Example 2
As shown in fig. 1, a sand ground foundation is precipitation device for pit, including the suction pump 6 that is located 1 top edge of foundation ditch, be connected with suction pump 6 and be located the water pipe 7 in the foundation ditch, still including the fixed establishment that is used for stabilizing 1 surface of foundation ditch, be used for supporting the fixed establishment of suction pump 6 and fixed water pipe 7, be equipped with the water level link gear 8 that is used for making the operating condition linkage of 1 water level of foundation ditch and suction pump 6 on the fixed establishment, support mechanism includes and is connected and be in a plurality of support piles 2 of vertical direction with the fixed surface of foundation ditch 1, is connected and is in the support column 3 of horizontal direction with two adjacent support piles 2, and just is located the outside backup pad 5 of foundation ditch 1 with the top fixed connection of support pile 2, and the upper surface fixed connection of suction pump 6 and backup pad 5. Fixing mechanism includes reinforcing bar 4 with 3 fixed connection of support column, and water pipe 7 and 4 accessible clamp fixed connection of steel reinforcement cage, a plurality of support pile 2 and support column 3 are convenient for with the fixed surface of foundation ditch 1, provide the guarantee for precipitation work, and the setting of steel reinforcement cage 4 makes water pipe 7 and steel reinforcement cage 4 fixed, avoids water pipe 7 to rock and damage.
As shown in fig. 2, the water level linkage mechanism 8 includes a housing fixed to the steel reinforcement cage 4, a containing cavity 10 located in the housing 9, a float 11 movably connected to a side wall of the containing cavity 10 through a sliding mechanism, a connecting mechanism fixedly connected to a top of the float 11, a second limiting plate 14 located above the float 11, a first limiting plate 17 located above the second limiting plate 14, an inductive switch fixedly connected to the first limiting plate 17 and the connecting mechanism, and a squeeze switch fixedly connected to the second limiting plate 14 and the connecting mechanism, the inductive switch 15 is connected in parallel to the squeeze switch, the inductive switch 15 is connected in series to the water pump 6 and the power supply, the squeeze switch is connected in series to the water pump 6 and the power supply to prevent the inductive switch from being damaged and unable to drain water, an inductive piece 16 matched with the inductive switch is disposed at a top of the connecting mechanism, an inductive distance of the inductive switch 15 is a distance between the first limiting plate 17 and the second limiting plate, when inductive switch 15 or extrusion switch are closed, then suction pump 6 begins to work, when the water level in foundation ditch 1 made coupling mechanism's top reach the position between first limiting plate 17 and the second limiting plate 15, inductive switch 15 is closed, then suction pump 6 begins to draw water, when the water level in the foundation ditch made coupling mechanism's top reach the position of second limiting plate 14, inductive switch 15 disconnection, then suction pump 6 stop work, flotation pontoon 11 adopts sealed cylindrical plastic tank, the area of contact with water has been increased, make flotation pontoon 11's buoyancy bigger. Casing 9's lower part is equipped with a plurality of inlet openings 20, be convenient for the water entering in the foundation ditch 1 holds in the chamber 10, avoid the grit entering to hold chamber 10 simultaneously, coupling mechanism includes the connecting rod 12 that just passes second limiting plate 14 with the top fixed connection of flotation pontoon 11, connecting plate 13 with the top fixed connection of connecting rod 12, connecting rod 12 passes second limiting plate 14 and removes in vertical direction, the bottom of connecting rod 12 passes through the adhesive with the top of flotation pontoon 11 and pastes, the top of connecting rod 12 passes through the adhesive with the lower surface of connecting plate 13 and pastes fixedly, when the water level in foundation ditch 1 rises, then flotation pontoon 11 rises, flotation pontoon 11 drives connecting rod 12 and connecting plate 13 and rises, then inductive switch 15 switches on.
As shown in fig. 3 and 4, the squeeze switch includes a spacer 18 fixedly connected to a lower surface of the connection plate 13, and a conductive mechanism 19 fixedly connected to a lower surface of the second limitation plate 14, the spacer 18 is made of a non-conductive material, a top of the spacer 18 is fixedly attached to the lower surface of the connection plate 13 by an adhesive, the conductive mechanism 19 includes a fixing seat 27 fixedly connected to the lower surface of the second limitation plate 14, an installation cavity 28 located in the fixing seat 27, a first terminal 29 fixedly connected to a bottom of the installation cavity 28, a second terminal 30, a first fixing plate 31 fixedly connected to a top of the first terminal 29, and a second fixing plate 32 fixedly connected to a top of the second terminal 30, a first wedge-shaped tip 34 is disposed at a left end of the first fixing plate 31, a spring plate 33 is disposed at a right end of the second fixing plate 32, a second wedge-shaped tip 35 is disposed at a right end of the spring plate 33, a position of the first wedge-shaped tip 34 corresponds to a position of the second, the bottom of the spacer 18 is provided with a third wedge-shaped tip 36, the third wedge-shaped tip 36 is positioned right above the joint of the first wedge-shaped tip 34 and the second wedge-shaped tip 35, the bottom of the spacer 18 penetrates through the fixed seat 27 and moves in the mounting cavity 28, and the first binding post 29 and the second binding post 30 are connected with the power supply and the water pump 6 in series through conducting wires. The right end of the second fixing piece 32 is provided with a containing groove with a rightward opening, a spring is fixedly connected in the containing groove, the left end of the elastic piece 33 is fixedly connected in the containing groove through the spring, the first wedge-shaped tip 34 is in contact with the second wedge-shaped tip 35, and the first wiring terminal 29 is conducted with the second wiring terminal 30.
The sliding mechanism comprises a sliding block 25 fixedly connected with the outer surface of the floating barrel 11, a sliding groove 26 located on the surface of the accommodating cavity 10 and matched with the sliding block 25, the length direction of the sliding groove 26 is the vertical direction, the floating barrel 11 moves in the vertical direction through the matching of the sliding block 25 and the sliding groove 26, and the floating barrel 11 is convenient to move in the vertical direction, so that the inductive switch and the extrusion switch are switched on or off.
As shown in fig. 2, a cover body 24 is provided at the top of the accommodating chamber 10, and the cover body 24 is screwed with the outer surface of the housing 9 to prevent water from entering from the top of the accommodating chamber 10. First limiting plate 17 is through placing the mechanism and the lateral wall fixed connection who holds chamber 10, a plurality of placing mechanism are equidistant to be set up in vertical direction, placing mechanism is including being located the left surface that holds chamber 10 and the first standing groove 21 that the opening is right, be located the right flank that holds chamber 10 and the second standing groove 22 that the opening is left, be located the spring 23 of first standing groove 21 and second standing groove 22, placing mechanism's setting, can set up different maximum water level values, adjust as required, the setting of spring, it is firm to be convenient for first remaining first standing groove 21 of limiting plate 17 and the joint of second standing groove 22, it is convenient to dismantle simultaneously.
When the water level in the foundation pit rises, the buoy 11 moves upwards, the buoy 11 drives the connecting rod 12 and the connecting plate 13 to move upwards together, the inductive switch 15 conducts electricity, the water pump 6 starts to work, if the inductive switch 15 is broken and cannot work, when the water in the foundation pit 1 is raised all the time, the spacer 18 moves upward until the connection plate 13 contacts the lower surface of the first restriction plate 17, at which time the third wedge tip 36 is separated from the first wedge tip 34 and the second wedge tip 35, the first wedge tip 34 and the second wedge tip 35 are connected, namely, the first terminal 29 and the second terminal 30 are conducted, the water pump 6 starts to work, the water level in the foundation pit 1 is lowered, the buoy 11 drives the connecting rod 12 and the connecting plate 13 to move downwards, the third wedge tip 36 moves downward to separate the first wedge tip 34 from the second wedge tip 35 and the water pump 6 stops operating.
The arrangement of the fixing mechanism ensures the stability of the foundation pit, the arrangement of the supporting mechanism is convenient for fixing the water suction pump and the water pipe, and the arrangement of the water level linkage mechanism is convenient for monitoring the water level in the foundation pit and controlling the working state of the water suction pump simultaneously, thereby avoiding safety accidents such as excessive settlement of the periphery and the like caused by excessive underground water extraction.
Claims (9)
1. The utility model provides a sand ground foundation is precipitation device for pit, is connected and is located the water pipe of foundation ditch, its characterized in that including the suction pump that is located foundation ditch top edge, with the suction pump: still including the fixed establishment that is used for firm foundation ditch surface, the fixed establishment that is used for supporting water pump and fixed water pipe, be equipped with the water level link gear that is used for making foundation ditch water level and the operating condition linkage of water pump on the fixed establishment, water level link gear include with the fixed casing of fixed establishment, be located the chamber that holds in the casing, with the lateral wall that holds the chamber pass through slide mechanism swing joint's flotation pontoon, with flotation pontoon top fixed connection's coupling mechanism, be located the second limiting plate of flotation pontoon top, be located the first limiting plate of second limiting plate top, with first limiting plate and coupling mechanism fixed connection's inductive switch, with second limiting plate and coupling mechanism fixed connection's extrusion switch, inductive switch and extrusion switch are parallelly connected, inductive switch and suction pump and power are established ties, extrusion switch and suction pump and power are established ties.
2. The sand foundation is precipitation device for foundation ditch of claim 1, characterized in that: the lower part of casing is equipped with a plurality of inlet openings, coupling mechanism include with the top fixed connection of flotation pontoon and pass the connecting rod of second limiting plate, with the top fixed connection's of connecting rod connecting plate, the connecting rod passes the second limiting plate and removes in vertical direction.
3. The sand foundation is precipitation device for foundation ditch of claim 2, characterized in that: the extrusion switch comprises a spacing block fixedly connected with the lower surface of the connecting plate and a conductive mechanism fixedly connected with the lower surface of the second limiting plate, the conductive mechanism comprises a fixed seat fixedly connected with the lower surface of the second limiting plate, an installation cavity positioned in the fixed seat, a first binding post fixedly connected with the bottom of the installation cavity, a second binding post, a first fixed piece fixedly connected with the top of the first binding post, and a second fixed piece fixedly connected with the top of the second binding post, a first wedge-shaped tip is arranged at the left end of the first fixed piece, a spring piece is arranged at the right end of the second fixed piece, a second wedge-shaped tip is arranged at the right end of the spring piece, the position of the first wedge-shaped tip corresponds to the position of the second wedge-shaped tip, a third wedge-shaped tip is arranged at the bottom of the spacing block, the third wedge-shaped tip is positioned between the first wedge-shaped tip and the second wedge-shaped tip, the first binding post and the second binding post are connected in series with the power supply and the water suction pump through conducting wires.
4. The sand foundation is precipitation device for foundation ditch of claim 3, characterized in that: the right-hand member of second stationary blade is equipped with the holding tank that the opening is right, and the rigid coupling has the spring in the holding tank, and the left end of shell fragment passes through spring fixed connection in the holding tank.
5. The sand foundation is precipitation device for foundation ditch of claim 1, characterized in that: slide mechanism includes the slider with the surface fixed connection of flotation pontoon, be located the surface that holds the chamber and with slider complex spout, the length direction of spout is vertical direction, the flotation pontoon passes through the cooperation of slider and spout and removes in vertical direction.
6. The sand foundation is precipitation device for foundation ditch of claim 1, characterized in that: the supporting mechanism comprises a plurality of supporting piles which are fixedly connected with the surface of the foundation pit and are in the vertical direction, supporting columns which are connected with two adjacent supporting piles and are in the horizontal direction, supporting plates which are fixedly connected with the tops of the supporting piles and are positioned outside the foundation pit, and a water suction pump is fixedly connected with the upper surfaces of the supporting plates.
7. The sand foundation is precipitation device for foundation ditch of claim 1, characterized in that: the fixing mechanism comprises a reinforcement cage fixedly connected with the support column, and the water pipe and the shell are fixedly connected with the reinforcement cage.
8. The sand foundation is precipitation device for foundation ditch of claim 1, characterized in that: the top of holding the chamber is equipped with the lid, the surface threaded connection of lid and casing.
9. The sand foundation is precipitation device for foundation ditch of claim 1, characterized in that: the first limiting plate is fixedly connected with the side wall containing the cavity through the placing mechanism, the placing mechanisms are arranged in the vertical direction at equal intervals, and the placing mechanism comprises a first placing groove located on the left side face containing the cavity and provided with a right opening, a second placing groove located on the right side face containing the cavity and provided with a left opening, and a spring located in the first placing groove and the second placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246106.5A CN111188341A (en) | 2020-03-31 | 2020-03-31 | Precipitation device for sandy soil foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246106.5A CN111188341A (en) | 2020-03-31 | 2020-03-31 | Precipitation device for sandy soil foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188341A true CN111188341A (en) | 2020-05-22 |
Family
ID=70705506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010246106.5A Pending CN111188341A (en) | 2020-03-31 | 2020-03-31 | Precipitation device for sandy soil foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144555A (en) * | 2020-07-01 | 2020-12-29 | 中国建筑一局(集团)有限公司 | Dewatering and cutting method for elevator foundation pit |
-
2020
- 2020-03-31 CN CN202010246106.5A patent/CN111188341A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144555A (en) * | 2020-07-01 | 2020-12-29 | 中国建筑一局(集团)有限公司 | Dewatering and cutting method for elevator foundation pit |
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