CN214657160U - Light-duty well point of subway foundation ditch - Google Patents

Light-duty well point of subway foundation ditch Download PDF

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Publication number
CN214657160U
CN214657160U CN202120608733.9U CN202120608733U CN214657160U CN 214657160 U CN214657160 U CN 214657160U CN 202120608733 U CN202120608733 U CN 202120608733U CN 214657160 U CN214657160 U CN 214657160U
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CN
China
Prior art keywords
pipe
head
wall
neck
well point
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Expired - Fee Related
Application number
CN202120608733.9U
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Chinese (zh)
Inventor
牛文
简强林
李绛峰
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CCCC Tunnel Engineering Co Ltd
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CCCC Tunnel Engineering Co Ltd
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Priority to CN202120608733.9U priority Critical patent/CN214657160U/en
Application granted granted Critical
Publication of CN214657160U publication Critical patent/CN214657160U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a light-duty well point of subway foundation ditch, concretely relates to light-duty well point technical field, its technical scheme is: including afterbody pipe, neck pipe and head pipe, the neck union coupling is in afterbody pipe right side, the head union coupling is in neck pipe right side still includes: the positioning device is arranged at the joint of the tail pipe, the neck pipe and the head pipe and the outer wall of the tail pipe, the neck pipe and the head pipe; the positioning device comprises a connecting ring, the connecting ring is welded on the inner walls of the right ends of the tail pipe and the neck pipe, threaded nozzles are welded at the left ends of the neck pipe and the head pipe, the threaded nozzles are in threaded connection with the inner walls of the connecting ring, buckling grooves are formed in the outer walls of the left ends of the neck pipe and the head pipe, the left end of the tail pipe is in threaded connection with a cover plate, and a clamping ring is welded on the outer wall of the tail pipe; the utility model has the advantages that: by arranging the positioning device on the pipe wall, the pipeline can be taken out and disassembled while being upwards.

Description

Light-duty well point of subway foundation ditch
Technical Field
The utility model relates to a light-duty well point technical field especially relates to a light-duty well point of subway foundation ditch.
Background
A light well point is a method for artificially reducing underground water level, which is characterized in that a well pipe with a thinner diameter is sunk into a water-containing layer deeper than a base along the periphery or one side of a foundation pit, the upper part of the well pipe is connected with a main pipe, underground water is continuously pumped out of the well pipe by utilizing a water pumping device through the main pipe, so that the original underground water level is reduced to be below the base, the light well point is called a vacuum well point, the light well point is arranged and main equipment is arranged into a ring according to engineering geological characteristics and plane dimensions, a light well point system comprises a well point pipe, a water collecting main pipe, a water pumping device and the like, when the foundation pit is excavated to the base, the active continuous water leakage in a silt layer is found, as the fact that whether the water leaked from a ground connecting wall seam or the water contained in the silt layer in the foundation pit can not be judged, the excavation is not easy to catch the blind, and the working efficiency of an excavator is seriously influenced when the base is in a water-containing state, so that the base is exposed for a long time, the dug wet soil is difficult to transport outwards, the light well points are adopted to lower the silt layer in the foundation pit, the foundation soil is dried, the bottom-closing work efficiency of the digging machine is improved, the investment of manpower and materials is reduced, and the construction progress is accelerated.
The prior art has the following defects: the well point pipe used by the existing light well point is inconvenient to take out and fast disassemble after being sent into the ground for pumping water.
Therefore, the invention is necessary to invent a light well point of the subway foundation pit.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a light-duty well point of subway foundation ditch through setting up positioner to the pipe wall, makes things convenient for the pipeline limit upwards to take out the limit and dismantles to the inconvenient problem of taking out quick dismantlement of well point pipe that the solution light-duty well point used.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a light-duty well point of subway foundation ditch, including afterbody pipe, neck pipe and head pipe, the neck union coupling is in afterbody pipe right side, the head union coupling be in neck pipe right side still includes: the positioning device is arranged at the joint of the tail pipe, the neck pipe and the head pipe and the outer wall of the tail pipe, the neck pipe and the head pipe;
positioner includes the go-between, the go-between welding the afterbody pipe with neck pipe right-hand member inner wall, the neck pipe with head pipe left end welding screw thread mouth, screw thread mouth threaded connection is in the go-between inner wall, the neck pipe with the catching groove is seted up to head pipe left end outer wall, afterbody pipe left end threaded connection apron, afterbody union coupling snap ring, the snap ring with be equipped with the draw-in groove between the apron.
Furthermore, a connecting seat is fixedly installed at the left end of the cover plate, and the left end of the connecting seat is in threaded connection with the flow distribution nozzle.
Furthermore, the inner wall of the flow distribution nozzle is detachably provided with two groups of hoses.
Furthermore, the inner wall of the right end of the head pipe is welded with a connecting block, the inner wall of the connecting block is provided with a connecting pipe in a threaded manner, the right end of the connecting pipe is fixedly provided with a pressure dividing head, and the diameter of the pressure dividing head is larger than that of the head pipe.
Furthermore, a through hole is formed in the inner wall of the pressure dividing head.
Furthermore, a water inlet nozzle is fixedly installed at the right end of the pressure dividing head.
Furthermore, the inner wall of the head pipe is provided with a water inlet hole.
Further, the catching groove is annular.
Further, the inner wall of the hose is provided with a spring.
Furthermore, a pull block is welded at the side end of the tail pipe.
In the technical scheme, the utility model provides a pair of light-duty well point of subway foundation ditch has following beneficial effect:
the positioning device comprises a connecting ring, the positioning device has the effect of facilitating the well point pipe to be taken out from the underground and to be rapidly disassembled, the connecting ring has the effect of connecting a threaded nozzle, the connecting ring is welded on the inner walls of the right ends of the tail pipe and the neck pipe, the threaded nozzles are welded at the left ends of the neck pipe and the head pipe, the threaded nozzles have the effect of sequentially connecting the tail pipe, the neck pipe and the head pipe, the assembly and the disassembly are facilitated, the threaded nozzles are in threaded connection with the inner walls of the connecting ring, buckling grooves are formed in the outer walls of the left ends of the neck pipe and the head pipe, the buckling grooves have the effect of facilitating the steel wire rope to be sleeved on the neck pipe to be pulled upwards, the left end of the tail pipe is in threaded connection with the cover plate, the cover plate has the effect of installing and connecting seats, the outer wall of the tail pipe is welded with a clamping ring, the clamping ring has the effect of fixing the steel wire rope, a clamping groove is arranged between the clamping ring and the cover plate, the clamping groove has the effect of conveniently placing the steel wire rope, and is conveniently fixed on the inner side of the clamping groove, by arranging the positioning device on the pipe wall, the pipeline can be taken out and disassembled while being upwards.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a structural diagram of embodiment 1 provided in the embodiment of the present invention;
fig. 2 is a front view of embodiment 1 provided in the embodiment of the present invention;
fig. 3 is a left side view of a cover plate in example 1 according to an embodiment of the present invention;
fig. 4 is a front view of a head pipe in example 1 according to an embodiment of the present invention;
fig. 5 is a front view of embodiment 2 according to an embodiment of the present invention.
In the figure: the device comprises a tail pipe 1, a cover plate 11, a connecting seat 12, a flow distribution nozzle 13, a hose 14, a neck pipe 2, a head pipe 3, a connecting block 31, a connecting pipe 32, a flow distribution head 33, a through hole 34, a water inlet nozzle 35, a water inlet hole 36, a positioning device 4, a buckling groove 41, a threaded nozzle 42, a connecting ring 43, a clamping ring 44, a clamping groove 45 and a pulling block 46.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1 to 4, the light well point of the subway foundation pit of the embodiment comprises a tail pipe 1, a neck pipe 2 and a head pipe 3;
preferably, the neck tube 2 is connected to the right side of the tail tube 1, and the head tube 3 is connected to the right side of the neck tube 2, and further includes: the positioning device 4 is arranged at the joint and the outer wall of the tail pipe 1, the neck pipe 2 and the head pipe 3, the head pipe 3 is the head of the well point pipe and is arranged in the well, the head pipe 3 has the function of pumping underground water upwards, the neck pipe 2 is used as the body part of the well point pipe, the neck pipe 2 can be connected with multiple sections to work according to the well depth, the tail pipe 1 is used as the tail of the well point pipe and protrudes above the soil layer, and the positioning device 4 has the function of conveying underground water outwards;
the positioning device 4 comprises a connecting ring 43, the connecting ring 43 is welded on the inner walls of the right ends of the tail pipe 1 and the neck pipe 2, the left end of the neck pipe 2 and the left end of the head pipe 3 is welded with a threaded nozzle 42, the threaded nozzle 42 is in threaded connection with the inner wall of the connecting ring 43, a fastening groove 41 is formed in the outer walls of the left ends of the neck pipe 2 and the head pipe 3, the left end of the tail pipe 1 is in threaded connection with a cover plate 11, the outer wall of the tail pipe 1 is welded with a clamping ring 44, a clamping groove 45 is formed between the clamping ring 44 and the cover plate 11, the positioning device 4 has the effect of facilitating the well point pipe to be taken out from the underground and to be rapidly disassembled, the connecting ring 43 is arranged in an annular shape, the connecting ring 43 has the effect of connecting the threaded nozzle 42, the threaded nozzle 42 has the effect of enabling the tail pipe 1, the neck pipe 2 and the head pipe 3 to be sequentially connected, the assembly and disassembly are convenient, the fastening groove 41 has the effect of facilitating the steel wire rope to be sleeved on the neck pipe 2 to be pulled upwards, make neck pipe 2 upwards pull the limit and dismantle, apron 11 has the effect of erection joint seat 12, and apron 11 still has the effect that makes things convenient for wire rope to exert oneself and upwards stimulate afterbody pipe 1, and snap ring 44 sets up to the annular, and snap ring 44 has fixed wire rope's effect, and draw-in groove 45 has the effect of conveniently placing wire rope, makes things convenient for wire rope to fix at draw-in groove 45 inboardly.
Preferably, the connecting seat 12 is fixedly installed at the left end of the cover plate 11, the shunting nozzle 13 is connected to the left end of the connecting seat 12 in a threaded mode, the connecting seat 12 has the effect of being connected with the shunting nozzle 13, the shunting nozzle 13 has the effect of enabling water inside a well point pipe to be shunted and enter a main pipe, and water pressure is placed to damage the pipeline.
Preferably, the hoses 14 are detachably mounted on the inner wall of the flow distribution nozzle 13, the two sets of hoses 14 are arranged, and the hoses 14 have the effect of facilitating underground water to enter the header pipe, so that the impact of water pressure is reduced, and the water delivery efficiency is improved.
Preferably, 3 right-hand member inner wall welded connection blocks 31 of head pipe, 31 inner wall screw thread erection joint pipe 32 of connecting block, connecting pipe 32 right-hand member fixed mounting divides pressure head 33, the diameter that divides pressure head 33 is greater than the diameter of head pipe 3, connecting block 31 sets up to the annular, and connecting block 31 has the effect of fixed joint pipe 32, and connecting pipe 32 has the fixed effect that divides pressure head 33, and pressure head 33 has the effect that reduces water to the pipe pressure, divides pressure head 33 still to have the effect of intaking in the pipe, and the diameter that divides pressure head 33 is big, makes things convenient for the well point pipe to go into in the well down, avoids the well point pipe to have too much friction with the wall of a well to influence the decline of well point pipe.
Preferably, the inner wall of the pressure distributing head 33 is provided with a through hole 34, and the through hole 34 has the function of facilitating the groundwater to enter the head pipe 3.
Preferably, the water inlet nozzle 35 is fixedly installed at the right end of the pressure dividing head 33, and the water inlet nozzle 35 has the function of facilitating underground water to enter the head pipe 3.
Preferably, the inner wall of the head pipe 3 is provided with a water inlet hole 36, and the water inlet hole 36 has the function of facilitating the groundwater to directly enter from the side wall of the head pipe 3.
Preferably, the catching groove 41 is annular, so that the steel wire rope can be conveniently fixed, and the neck pipe 2 and the head pipe 3 can be conveniently pulled.
Preferably, the inner wall of the hose 14 is provided with a spring, and the spring supports the inside of the hose 14 to prevent the inside of the hose 14 from flattening.
The utility model discloses a use as follows: when the utility model is used, the neck pipe 2 is connected on the right side of the tail pipe 1, the head pipe 3 is connected on the right side of the neck pipe 2, the positioning device 4 is also included, the positioning device 4 is arranged at the joint and the outer wall of the tail pipe 1, the neck pipe 2 and the head pipe 3, the head pipe 3 is the head of the well point pipe and is put into the well, the head pipe 3 has the function of pumping underground water upwards, the neck pipe 2 is the body part of the well point pipe, the neck pipe 2 can be connected with a plurality of sections to work according to the well depth, the tail pipe 1 is the tail of the well point pipe and is protruded above the soil layer, the positioning device 4 has the function of transmitting underground water outwards, the positioning device 4 comprises a connecting ring 43, the connecting ring 43 is welded on the inner wall at the right end of the tail pipe 1 and the neck pipe 2, the threaded nipple 42 is welded at the left end of the neck pipe 2 and the head pipe 3, the threaded nipple 42 is connected on the inner wall of the connecting ring 43, the left end outer wall of the neck pipe 2 and the head pipe 3 is provided with a catching groove 41, the left end of the tail pipe 1 is in threaded connection with a cover plate 11, the outer wall of the tail pipe 1 is welded with a clamping ring 44, a clamping groove 45 is arranged between the clamping ring 44 and the cover plate 11, the left end of the cover plate 11 is fixedly provided with a connecting seat 12, the left end of the connecting seat 12 is in threaded connection with a flow distribution nozzle 13, the inner wall of the flow distribution nozzle 13 is detachably provided with a hose 14, the two groups of hoses 14 are arranged, the inner wall of the right end of a head pipe 3 is welded with a connecting block 31, the inner wall of the connecting block 31 is in threaded connection with a connecting pipe 32, the right end of the connecting pipe 32 is fixedly provided with a flow distribution head 33, the diameter of the flow distribution head 33 is larger than that of the head pipe 3, the connecting block 31 is arranged in an annular shape, a through hole 34 is formed in the inner wall of the flow distribution head pipe 33 to facilitate the underground water to enter the head pipe 3, a buckling groove 41 is arranged in an annular shape, the inner wall of the hose 14 is provided with a spring, when a well point pipe needs to be taken out from the well, a steel wire rope is fixed inside the clamping groove 45, the tail pipe 1 is lifted upwards by a crane, the tail pipe 2, when the neck pipe 2 is taken out two sections upwards, and taking down the pipeline above the soil layer, quickly fixing the steel wire rope on the inner side of the buckling groove 41, pulling the neck pipe 2 upwards, and sequentially taking down the neck pipe 2 until the neck pipe 2 and the head pipe 3 are taken out.
Example 2:
referring to fig. 5, the bracelet thermometer for facilitating operation of the embodiment includes a tail tube 1, a neck tube 2 and a head tube 3;
furthermore, a pulling block 46 is welded at the side end of the tail pipe 1, and the pulling block 46 has the function of facilitating the connection of the steel wire rope with the tail pipe 1 and facilitating the upward pulling of the tail pipe 1.
The utility model discloses a use as follows: when the utility model is used, the neck pipe 2 is connected on the right side of the tail pipe 1, the head pipe 3 is connected on the right side of the neck pipe 2, the positioning device 4 is also included, the positioning device 4 is arranged at the joint and the outer wall of the tail pipe 1, the neck pipe 2 and the head pipe 3, the head pipe 3 is the head of the well point pipe and is put into the well, the head pipe 3 has the function of pumping underground water upwards, the neck pipe 2 is the body part of the well point pipe, the neck pipe 2 can be connected with a plurality of sections to work according to the well depth, the tail pipe 1 is the tail of the well point pipe and is protruded above the soil layer, the positioning device 4 has the function of transmitting underground water outwards, the positioning device 4 comprises a connecting ring 43, the connecting ring 43 is welded on the inner wall at the right end of the tail pipe 1 and the neck pipe 2, the threaded nipple 42 is welded at the left end of the neck pipe 2 and the head pipe 3, the threaded nipple 42 is connected on the inner wall of the connecting ring 43, the left end outer wall of the neck pipe 2 and the head pipe 3 is provided with a catching groove 41, the pull block 46 is welded at the side end of the tail pipe 1, and the pull block 46 has the function of facilitating the connection of the steel wire rope with the tail pipe 1 and facilitating the upward pulling out of the tail pipe 1.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (10)

1. The utility model provides a light-duty well point of subway foundation ditch, includes afterbody pipe (1), neck pipe (2) and head pipe (3), neck pipe (2) are connected afterbody pipe (1) right side, head pipe (3) are connected neck pipe (2) right side, its characterized in that still includes: the positioning device (4) is arranged at the joint of the tail pipe (1), the neck pipe (2) and the head pipe (3) and the outer wall of the positioning device (4);
positioner (4) include go-between (43), go-between (43) welding afterbody pipe (1) with neck pipe (2) right-hand member inner wall, neck pipe (2) with head pipe (3) left end welding screw thread mouth (42), screw thread mouth (42) threaded connection be in go-between (43) inner wall, neck pipe (2) with catching groove (41) are seted up to head pipe (3) left end outer wall, afterbody pipe (1) left end threaded connection apron (11), afterbody pipe (1) outer wall welding snap ring (44), snap ring (44) with be equipped with draw-in groove (45) between apron (11).
2. A light well point of a subway foundation pit as claimed in claim 1, wherein said cover plate (11) is fixedly installed with a connecting base (12) at left end, said connecting base (12) is connected with a shunting nozzle (13) at left end by screw thread.
3. A light well point of a subway foundation pit as claimed in claim 2, wherein said inner wall of said flow dividing nozzle (13) is detachably mounted with flexible pipes (14), and said flexible pipes (14) are arranged in two groups.
4. A light well point of a subway foundation pit as claimed in claim 1, wherein said head pipe (3) right end inner wall is welded with a connecting block (31), said connecting block (31) inner wall is screw-mounted with a connecting pipe (32), said connecting pipe (32) right end is fixed with a pressure dividing head (33), said pressure dividing head (33) diameter is larger than said head pipe (3) diameter.
5. A light well point of a subway foundation pit as claimed in claim 4, wherein said pressure dividing head (33) is provided with through holes (34) on its inner wall.
6. A light well point of a subway foundation pit as claimed in claim 5, wherein said pressure dividing head (33) is fixedly installed with a water inlet nozzle (35) at its right end.
7. A light well point of a subway foundation pit as claimed in claim 1, wherein said head pipe (3) has an inlet opening (36) in its inner wall.
8. A light well point of a foundation pit of a subway according to claim 1, characterized in that said catching groove (41) is arranged in a ring shape.
9. A light well point of a foundation pit of a subway as claimed in claim 3, wherein said hose (14) is provided with a spring on its inner wall.
10. A light well point of a subway foundation pit as claimed in claim 1, wherein said tail pipe (1) side end welding tie block (46).
CN202120608733.9U 2021-03-25 2021-03-25 Light-duty well point of subway foundation ditch Expired - Fee Related CN214657160U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120608733.9U CN214657160U (en) 2021-03-25 2021-03-25 Light-duty well point of subway foundation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120608733.9U CN214657160U (en) 2021-03-25 2021-03-25 Light-duty well point of subway foundation ditch

Publications (1)

Publication Number Publication Date
CN214657160U true CN214657160U (en) 2021-11-09

Family

ID=78456124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120608733.9U Expired - Fee Related CN214657160U (en) 2021-03-25 2021-03-25 Light-duty well point of subway foundation ditch

Country Status (1)

Country Link
CN (1) CN214657160U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211109

CF01 Termination of patent right due to non-payment of annual fee