CN215105423U - A novel cofferdam for deep water foundation construction - Google Patents

A novel cofferdam for deep water foundation construction Download PDF

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Publication number
CN215105423U
CN215105423U CN202120094306.3U CN202120094306U CN215105423U CN 215105423 U CN215105423 U CN 215105423U CN 202120094306 U CN202120094306 U CN 202120094306U CN 215105423 U CN215105423 U CN 215105423U
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CN
China
Prior art keywords
fender
periphery
deep water
foundation construction
post
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120094306.3U
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Chinese (zh)
Inventor
张亮奎
姜云朴
范长森
陈政
王垒
王启超
刘昊
兰周
刘迪
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CCCC Tunnel Engineering Co Ltd
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CCCC Tunnel Engineering Co Ltd
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Priority to CN202120094306.3U priority Critical patent/CN215105423U/en
Application granted granted Critical
Publication of CN215105423U publication Critical patent/CN215105423U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a novel cofferdam for deep water foundation construction relates to water conservancy construction field. This a novel cofferdam for deep water foundation construction includes that the periphery keeps off and central stand, and the inboard that the periphery kept off is provided with the interior fender that encloses, and the interior inboard middle fixed central stand that is provided with that keeps off, and the side bolted connection that the periphery kept off has the rammer post, and sliding connection has the diaphragm between rammer post and the periphery fender, and solid fixed ring's side fixedly connected with lead screw, the one end meshing of lead screw is connected with the telescopic link, and the pneumatic cylinder has been cup jointed in the side slip of telescopic link. This a novel cofferdam for deep water foundation construction utilizes inside and outside two-layer to enclose the fender and sets up, and the inboard of keeping off at the periphery is consolidated the fender with rammer post and diaphragm, sets up bracing piece and strengthening rib between the fender and the periphery fender at the periphery and enclose in and consolidate, and it provides the balancing force to support to enclose the fender through central column in keeping off the inboard again, and the reinforcing is enclosed and is kept off the compressive property to peripheral hydraulic.

Description

A novel cofferdam for deep water foundation construction
Technical Field
The utility model relates to a water conservancy construction technical field specifically is a novel cofferdam for deep water foundation construction.
Background
The cofferdam is a temporary enclosure structure constructed for constructing permanent hydraulic facilities in hydraulic engineering construction, has the function of preventing water and soil from entering the construction position of a building so as to facilitate drainage in the cofferdam, excavation of a foundation pit and construction of the building, is generally mainly used in hydraulic buildings, and is generally dismantled after being used up except being used as a part of a formal building.
The height of the existing cofferdam is generally required to be higher than the highest water level which can appear in the construction period, the existing cofferdam is usually stabilized by utilizing the mutual counteraction of ramming columns or pressures on two opposite sides, the pressure on the side wall of the cofferdam is also larger along with the increase of the height of the cofferdam and the increase of the peripheral water level, the water pressure acts on the side wall of the whole cofferdam, the invagination deformation of the cofferdam can be possibly caused by the support of a few support points, and the stability of the cofferdam is not enough, so that the technical personnel in the field provide a novel cofferdam for the deep water foundation construction, and the problem that the side wall of the cofferdam is inwards deformed under the action of the water pressure on the support points is solved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model discloses a novel cofferdam for deep water foundation construction to solve the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel cofferdam for deepwater foundation construction comprises an outer wall baffle, a ramming column, an inner wall baffle and a central upright column, the inner side of the peripheral barrier is provided with a rammer column, the inner side of the peripheral barrier is provided with an inner barrier, the middle of the inner side of the inner barrier is fixedly provided with a central upright column, the side surface of the peripheral baffle and the middle of the two peripheral baffles are connected with a rammer column through bolts, a transverse plate is connected between the rammer column and the peripheral baffles in a sliding way, the transverse plate is connected with the side face of the peripheral baffle through a bolt, the side face of the central upright post is provided with a fixing groove, a fixing ring is movably sleeved on the side surface of the central upright post and positioned at the fixing groove, the side surface of the fixing ring is fixedly connected with a screw rod, the one end that solid fixed ring was kept away from to the lead screw runs through and the meshing is connected with the telescopic link, the pneumatic cylinder has been cup jointed in the side slip that lead screw one end was kept away from to the telescopic link, the one end that the telescopic link was kept away from to the pneumatic cylinder keeps off fixed connection with interior circumference.
Preferably, one side of each tamper column close to the peripheral baffle is provided with a sliding groove, two ends of the transverse plate are respectively connected in the sliding grooves on the side surfaces of the two tamper columns in a sliding mode, a connecting bolt penetrates through the side surfaces of the tamper columns and the transverse plate, the tamper columns and the transverse plate are fixedly connected with the peripheral baffle through the connecting bolt, and the bottom ends of the tamper columns are fixedly connected with the ground breaking cones.
Preferably, the outer wall keeps off and encloses fixedly connected with bracing piece between keeping off with the inner wall, the bracing piece sets up alternately, just bracing piece cross fixedly connected with strengthening rib.
Preferably, the side of the fixed ring is provided with a fixing bolt in a penetrating manner, and the fixing bolt penetrates through the fixed ring and is in threaded connection with the central upright post.
Preferably, one end, far away from the telescopic link, of the hydraulic cylinder is fixedly connected with a connecting table, and the connecting table is connected with a side face bolt of the inner enclosure.
Preferably, one side of the telescopic rod, which is close to the screw rod, is provided with an adjusting screw hole matched with the screw rod, and the screw rod is in threaded connection with the telescopic rod through the adjusting screw hole.
The utility model discloses a novel cofferdam for deep water foundation construction, its beneficial effect who possesses as follows:
1. this a novel cofferdam for deep water foundation construction, reform transform on the basis of current cofferdam, utilize inside and outside two-layer fender to set up, the fender is kept apart inside and outside the periphery, and consolidate the stability of fender with rammer post and diaphragm at the inboard of fender of periphery, the fender is kept off in the inboard setting of fender of periphery, set up bracing piece and strengthening rib between fender and the fender of periphery in the periphery and consolidate, it supports to keep off the fender to enclose through the central pillar provides the balancing force in the fender inboard in enclosing again, the reinforcing is enclosed and is kept off the compressive property to peripheral hydraulic pressure.
2. This a novel cofferdam for deep water foundation construction, the utility model discloses the device is on the basis of current cofferdam, will be used in the water pressure that the periphery kept off the side all to share used rammer post through setting up rammer post and diaphragm, encloses the bracing piece that keeps off fixed connection between fender and the periphery in the rethread and encloses the fender in with water pressure sharing, and the middle utilization rammer post is to ground pressure release, encloses the fender including the pressure effect after weakening, encloses the range of bearing of fender pressure at the center pillar in, makes the utility model discloses the device can bear bigger water pressure, improves device's result of use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a partial schematic view of the present invention,
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the structure of the center pillar of the present invention.
In the figure: 1. a peripheral barrier; 2. tamping the column; 3. an inner enclosure; 4. a central upright post; 5. a transverse plate; 6. fixing grooves; 7. a fixing ring; 8. a screw rod; 9. a telescopic rod; 10. a hydraulic cylinder; 11. a chute; 12. a connecting bolt; 13. a soil breaking cone; 14. a support bar; 15. reinforcing ribs; 16. fixing the bolt; 17. a connecting table; 18. and adjusting the screw hole.
Detailed Description
The embodiment of the utility model discloses a novel cofferdam for construction of deep water basis, as shown in fig. 1-4, including periphery fender 1, ramming post 2, interior fender 3 and central pillar 4, the inboard of periphery fender 1 is provided with ramming post 2, the inboard of periphery fender 1 is provided with interior fender 3, fixedly connected with bracing piece 14 between periphery fender 1 and the interior fender 3, bracing piece 14 cross arrangement, and bracing piece 14 cross section fixedly connected with strengthening rib 15, the fixed central pillar 4 that is provided with in the middle of 3 inboards of interior fender, the side of periphery fender 1 just is located two periphery 1 intermediate bolts and is connected with ramming post 2, sliding connection has diaphragm 5 between ramming post 2 and the periphery fender 1, diaphragm 5 and the side bolted connection of periphery fender 1.
Fixed slot 6 has been seted up to the side of center pillar 4, the side of center pillar 4 just is located the activity of fixed slot 6 and has cup jointed solid fixed ring 7, gu fixed ring 7's side is run through and is provided with fixing bolt 16, fixing bolt 16 run through gu fixed ring 7 and with center pillar 4 threaded connection, gu fixed ring 7's side fixedly connected with lead screw 8, the one end that solid fixed ring 7 was kept away from to lead screw 8 runs through and the meshing is connected with telescopic link 9, pneumatic cylinder 10 has been cup jointed in the side slip of 8 one ends of lead screw to telescopic link 9, the one end that telescopic link 9 was kept away from to pneumatic cylinder 10 keeps off 3 fixed connection with interior.
One side of each ramming column 2 close to the peripheral baffle 1 is provided with a chute 11, the two ends of the transverse plate 5 are respectively connected in the chutes 11 on the side surfaces of the two ramming columns 2 in a sliding manner, the side surfaces of the ramming columns 2 and the transverse plate 5 are provided with connecting bolts 12 in a penetrating manner, the ramming columns 2 and the transverse plate 5 are fixedly connected with the peripheral baffle 1 through the connecting bolts 12, and the bottom end of each ramming column 2 is fixedly connected with a soil breaking cone 13.
Pneumatic cylinder 10 keeps away from the one end fixedly connected with of telescopic link 9 and connects platform 17, connects platform 17 and encloses the side bolted connection that keeps off 3 in, connects platform 17 and enlarges the connection area between the two, thereby through enlarging the effect of the lifting force area reduction, prevents to enclose in damaging because lifting force area is little and keeps off 3.
One side of the telescopic rod 9 close to the screw rod 8 is provided with an adjusting screw hole 18 matched with the screw rod 8, the screw rod 8 is in threaded connection with the telescopic rod 9 through the adjusting screw hole 18, the total length of the aggregate of the screw rod 8 and the telescopic rod 9 can be adjusted through the adjusting screw hole 18, and the central upright post 4 is adjusted to support the inner enclosure 3.
The working principle is as follows: the utility model discloses the device is in the in-service use, the periphery keeps off 1 and will enclose and keep off interior partition, keep off 1 junction at two peripheries and set up rammer post 2, rammer post 2 is through the broken soil awl 13 nail of bottom fixed connection and is gone into ground, fixing bolt 16 and periphery are kept off 1 fixed connection are passed through to the side of rammer post 2, keep off 1 for the periphery and provide the holding power, with rammer post 2 and periphery keep off 1 fixed back, diaphragm 5 slides from the spout 11 of rammer post 2 and periphery fender formation between 1, and keep off bolted connection between 1 through fixing bolt 16 and periphery, divide the water pressure that the periphery kept off 1 and received to each rammer post 2, and shunt ground from rammer post 2.
The inboard of keeping off 1 at the periphery sets up and keeps off 3 than the little interior fender of periphery 1, keeps off 1 and interior fender 3 between connecting through bracing piece 14, and the pressure transmission after subducting the reposition of redundant personnel keeps off 3 to interior fender, and interior fender 3 supports through center pillar 4, and the side that keeps off 3 is connected with interior through pneumatic cylinder 10 to the center pillar 4 side, and the pressure regulation that keeps off 3 receives is balanced in with both sides, and has reduced center pillar 4's pressure through 2 reposition of redundant personnel pressures of rammer post, makes the utility model discloses the tolerance range increase of device, protection device are not damaged.
The utility model discloses device in use can be through the junction of adjustment lead screw 8 and telescopic link 9, through the supporting force of control lead screw 8's length control center stand 4 internal enclosure fender 3, makes the utility model discloses the cofferdam that the device can be applicable to various specifications uses, and the supporting force of central stand 4 internal enclosure fender 3 simultaneously can be adjusted, prevents because the integrality of enclosure fender 3 in the too big destruction of supporting force, keeps off 1 inboard through 5 balanced enclosures of diaphragm 1 atress in the enclosure simultaneously, and the mode of 2 decompression of rethread rammer post increases the utility model discloses the device is to hydraulic resistance, makes the utility model discloses the device can use in the darker engineering of depth of water, has practical use and worth.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a novel cofferdam for deep water foundation construction, includes that periphery keeps off (1), tamp (2), interior fender (3) and center pillar (4), its characterized in that: the novel anti-collision device is characterized in that a ramming column (2) is arranged on the inner side of the peripheral baffle (1), an inner peripheral baffle (3) is arranged on the inner side of the peripheral baffle (1), a central upright column (4) is fixedly arranged in the middle of the inner side of the inner peripheral baffle (3), the sides of the peripheral baffle (1) are connected with the ramming column (2) through bolts in the middle of the two peripheral baffles (1), a transverse plate (5) is connected between the ramming column (2) and the peripheral baffle (1) in a sliding manner, the transverse plate (5) is connected with the sides of the peripheral baffle (1) through bolts, a fixing groove (6) is formed in the side of the central upright column (4), a fixing ring (7) is movably sleeved at the side of the central upright column (4) and is located at the fixing groove (6), a lead screw (8) is fixedly connected to the side of the fixing ring (7), one end, far away from the fixing ring (7), of the lead screw (8), penetrates through and is connected with a telescopic rod (9) in a meshing manner, the side face, far away from one end of the screw rod (8), of the telescopic rod (9) is sleeved with a hydraulic cylinder (10) in a sliding mode, and one end, far away from the telescopic rod (9), of the hydraulic cylinder (10) is fixedly connected with the inner enclosure (3).
2. The novel cofferdam for deep water foundation construction as claimed in claim 1, wherein: one side that ramming post (2) is close to peripheral fender (1) has seted up spout (11), the both ends difference sliding connection of diaphragm (5) is in spout (11) of two ramming post (2) sides, the side of ramming post (2) and diaphragm (5) is run through and is provided with connecting bolt (12), ramming post (2) and diaphragm (5) are through connecting bolt (12) and peripheral fender (1) fixed connection, the bottom fixedly connected with of ramming post (2) bores (13) that breaks ground.
3. The novel cofferdam for deep water foundation construction as claimed in claim 1, wherein: enclose fender (1) and enclose fixedly connected with bracing piece (14) between fender (3) in with, bracing piece (14) cross arrangement, just bracing piece (14) intersection fixedly connected with strengthening rib (15).
4. The novel cofferdam for deep water foundation construction as claimed in claim 1, wherein: the side surface of the fixing ring (7) is provided with a fixing bolt (16) in a penetrating mode, and the fixing bolt (16) penetrates through the fixing ring (7) and is in threaded connection with the central upright post (4).
5. The novel cofferdam for deep water foundation construction as claimed in claim 1, wherein: one end of the hydraulic cylinder (10) far away from the telescopic rod (9) is fixedly connected with a connecting table (17), and the connecting table (17) is connected with a side face bolt of the inner enclosure (3).
6. The novel cofferdam for deep water foundation construction as claimed in claim 1, wherein: one side of the telescopic rod (9) close to the screw rod (8) is provided with an adjusting screw hole (18) matched with the screw rod (8), and the screw rod (8) is in threaded connection with the telescopic rod (9) through the adjusting screw hole (18).
CN202120094306.3U 2021-01-14 2021-01-14 A novel cofferdam for deep water foundation construction Expired - Fee Related CN215105423U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120094306.3U CN215105423U (en) 2021-01-14 2021-01-14 A novel cofferdam for deep water foundation construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120094306.3U CN215105423U (en) 2021-01-14 2021-01-14 A novel cofferdam for deep water foundation construction

Publications (1)

Publication Number Publication Date
CN215105423U true CN215105423U (en) 2021-12-10

Family

ID=79323897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120094306.3U Expired - Fee Related CN215105423U (en) 2021-01-14 2021-01-14 A novel cofferdam for deep water foundation construction

Country Status (1)

Country Link
CN (1) CN215105423U (en)

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

Granted publication date: 20211210

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