CN207348077U - A kind of cushion cap foundation pit structure - Google Patents

A kind of cushion cap foundation pit structure Download PDF

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Publication number
CN207348077U
CN207348077U CN201721244868.1U CN201721244868U CN207348077U CN 207348077 U CN207348077 U CN 207348077U CN 201721244868 U CN201721244868 U CN 201721244868U CN 207348077 U CN207348077 U CN 207348077U
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China
Prior art keywords
pipe
pipes
foundation pit
horizontal brace
cofferdam
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CN201721244868.1U
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Chinese (zh)
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高云
李华
姜伟军
黄洪兰
范斌华
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(group) Co Ltd Is Built In Pudong New Area Shanghai
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(group) Co Ltd Is Built In Pudong New Area Shanghai
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Abstract

The utility model provides a kind of cushion cap foundation pit structure, including being sequentially connected the cofferdam main body enclosed and be set as by multiple steel sheet piles, cofferdam main body is connected with horizontal brace between opposite two sides, the horizontal brace includes No.1 pipe and No. two pipes, two sides opposite with cofferdam main body are connected respectively for the No.1 pipe and No. two pipes, are provided between the No.1 pipe and No. two pipes for making No.1 pipe and No. two manage regulating part that is close to each other or being located remotely from each other.Horizontal brace is connected between the opposite sides side in cofferdam, when the size in cofferdam changes, by adjusting the regulating part being connected between No.1 pipe and No. two pipes, No.1 pipe and No. two pipes occur close to each other or are located remotely from each other the length for changing horizontal brace, it is set to be supported between various sizes of cofferdam, horizontal brace can pass through the various sizes of cofferdam of flexible matching of itself.

Description

A kind of cushion cap foundation pit structure
Technical field
The realm of building construction is the utility model is related to, more specifically, being a kind of cushion cap foundation pit structure.
Background technology
Cushion cap refers to that to bear, being distributed by the load of pier shaft transmission what is set at the top of pile foundation is coupled the steel of each stake top Reinforced concrete platform.During construction, Farm Planning is carried out first, for example, place leveling, foundation pit surrounding beat the low bank of earth between fields and dig intercepting ditch, is prevented Only surface water flows into foundation pit.Catch pit is generally set in foundation pit, and immersible pump draws water, it is ensured that foundation pit is in anhydrous state all the time.Base Hole is sized to meet cushion cap formwork erection working width and keeps stability of slope, and intensity can bear binder structure weight and construction Load, when the cross a river road bridge to being easily subject to water impact to act on is constructed, the construction of foundation pit cannot use existing Slope or simple supporting, it is necessary to it is a kind of can the river region of features as poor geologic condition construct supporting construction, so as to foundation pit Smoothly excavate.
At present, Authorization Notice No. is that the Chinese patent of CN206052741U discloses a kind of steel for supporting cushion cap foundation pit Sheet-pile cofferdam, including inner support and the cofferdam main body enclosed and set is sequentially connected by multiple steel plates, the section of cofferdam main body is square Shape;Inner support is located in the main body of cofferdam, and inner support includes side bar and horizontal brace, and horizontal brace both ends are opposite with cofferdam main body respectively Two sides connect.
In above-mentioned technical proposal, horizontal brace is supported between being connected to the two sides in two pairs of cofferdam, but the length of horizontal brace Degree is fixed, it is impossible to which suitable for various sizes of cofferdam, there are improved shortcoming for the prior art.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of cushion cap foundation pit structure, wherein Horizontal brace can pass through the various sizes of cofferdam of flexible matching of itself.
The utility model provides following technical solution to achieve the above object:A kind of cushion cap foundation pit structure, including by more A steel sheet pile is sequentially connected the cofferdam main body enclosed and be set as, and horizontal brace, the water are connected between the opposite two sides of cofferdam main body Support and managed including No.1 pipe and No. two, two sides opposite with cofferdam main body are connected respectively for the No.1 pipe and No. two pipes Connect, be provided between the No.1 pipe and No. two pipes for making No.1 pipe and No. two manage adjusting that is close to each other or being located remotely from each other Part.
By using above-mentioned technical proposal, horizontal brace is connected between the opposite sides side in cofferdam, when the size in cofferdam is sent out During raw change, by adjusting the regulating part being connected between No.1 pipe and No. two pipes, No.1 pipe and No. two pipes occur close to each other Or be located remotely from each other change horizontal brace length, it is supported between various sizes of cofferdam, horizontal brace can by itself The flexible various sizes of cofferdam of matching.
The utility model is further arranged to:The regulating part is the double end spiral shell being connected between No.1 pipe and No. two pipes Line pipe, the double thread pipe both ends are respectively placed in No.1 pipe with matching somebody with somebody in No. two pipes and with the No.1 pipe and No. two pipe screw threads Close.
By using above-mentioned technical proposal, double thread pipe both ends are engaged with No.1 pipe and No. two pipes respectively, are rotated double During head thread pipe, No.1 pipe and No. two Guan Junyu double thread pipes relatively rotate, and No.1 pipe and No. two pipes are in double thread Pipe both ends slide, and the both ends screw thread of double thread pipe is opposite and pitch is consistent, and opposite direction occurs for No.1 pipe and No. two pipes Displacement and apart from equal, between No.1 pipe and No. two pipes closer or far from so as to fulfill the flexible of horizontal brace.
The utility model is further arranged to:Section is hexagon in the middle part of the double thread pipe.
By using above-mentioned technical proposal, adjust when No.1 pipe the distance between is managed with No. two, it is necessary to rotate double thread Pipe, double thread pipe middle part is hexagonal, and double thread pipe is clamped easy to worker and carries out rotation adjusting.
The utility model is further arranged to:It is connected between the No.1 pipe and No. two pipes for hiding the double end The protective jacket of screwed pipe.
By using above-mentioned technical proposal, No.1 pipe and No. two pipe surfaces usually require to prevent corrosion by painting, double Due to needing the thread fitting between No.1 pipe and No. two pipes, surface is not easy to paint head thread pipe, and double thread pipe is exposed to sky In gas, corrosion easily occurs, it is harder when rotating double thread pipe, and the connection reduced between No.1 pipe and No. two pipes is strong Degree, protective jacket are used to make double thread pipe reduce the contact with air and moisture, slow down the corrosion of double thread pipe, extend horizontal The service life of support.
The utility model is further arranged to:The protective jacket is rubber bellows, the rubber bellows and No.1 It is to be detachably connected between pipe and between the rubber bellows and No. two pipes.
By using above-mentioned technical proposal, since No.1 pipe and No. two the distance between are managed adjustable, rubber bellows can To be connected to by adjusting its length between No.1 pipe and No. two pipes.When adjusting double thread pipe, first by rubber bellows Disassemble, double thread pipe is adjusted, be installed on by rubber bellows between No.1 pipe and No. two pipes to double end spiral shell Line pipe is hidden.
The utility model is further arranged to:It is both provided with the No.1 pipe and No. two pipes for fixing the rubber The retainer plate of bellows, the retainer plate are the annular resilient collar with opening, are provided with the retainer plate for adjusting institute State the screw bolt and nut of retainer plate internal diameter.
, can be by the size of rotating nut adjustment retainer plate opening, so as to change solid by using above-mentioned technical proposal Surely for the internal diameter enclosed when dismantling retainer plate, rotating nut expands the opening of retainer plate, the no longer fixed rubber bellows of retainer plate, rubber Glue bellows can be moved on No.1 pipe or No. two pipes, and double thread pipe exposes, can be adjusted, to double thread After pipe is adjusted, rubber bellows are positioned between No.1 pipe and No. two pipes, by rotating nut, reduce the internal diameter pair of retainer plate Rubber bellows are locked.
The utility model is further arranged to:Being horizontally disposed with the cofferdam main body has side bar, the horizontal brace both ends Set and pass through flanged joint between the side bar.
By using above-mentioned technical proposal, side bar is used to install horizontal brace, side bar and horizontal brace both ends by flanged joint, The contact area of flanged joint is big, stable connection, the stability of winding level support installation.
The utility model is further arranged to:It is connected between the horizontal brace both ends and steel sheet pile described in being used to support The brace of horizontal brace.
By using above-mentioned technical proposal, brace is used to be supported horizontal brace, the stability for the support that can improve the standard.
In conclusion the utility model has the advantages that:
One:The length of horizontal brace can be adjusted by double thread pipe, horizontal brace is applied and difference In the cofferdam main body of size;
Secondly:Rubber bellows can reduce contact of the double thread pipe with air and moisture, prevent double thread pipe from becoming rusty Erosion, extends its service life.
Brief description of the drawings
Fig. 1 is cushion cap foundation pit structure overall schematic;
Fig. 2 is the structure diagram of cofferdam main body and horizontal brace;
Fig. 3 is the structure diagram of horizontal brace and rubber bellows;
Fig. 4 is the structure diagram of retainer plate.
In figure:1st, steel sheet pile;11st, foundation pit;2nd, cofferdam main body;3rd, horizontal brace;31st, No.1 pipe;32nd, No. two pipes;33rd, double end Screwed pipe;4th, side bar;5th, brace;6th, rubber bellows;7th, retainer plate;71st, bolt;72nd, nut.
Embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
A kind of cushion cap foundation pit structure, as shown in Figure 1, including being sequentially connected the cofferdam main body enclosed and be set as by multiple steel sheet piles 1 2, the inside of cofferdam main body 2 is foundation pit 11, and cofferdam main body 2 is used to play foundation pit 11 protective action, the opposite both sides of cofferdam main body 2 Horizontal brace 3 is connected between side, horizontal brace 3 is in being horizontally disposed with, for being supported to the structure of cofferdam main body 2.
As shown in Fig. 2, in different engineerings, the size of foundation pit 11 and cofferdam main body 2 can also change, horizontal at this time Support 3 can not be installed on various sizes of cofferdam main body opposite sides side between, horizontal brace 3 is cylindrical, including No.1 pipe 31 with No. two pipes 32, are connected with regulating part between No.1 pipe 31 and No. two pipes 32, regulating part can make No.1 pipe 31 and No. two 32 phases of pipe Mutually closer or far from so that horizontal brace 3 is flexible, horizontal length changes, and may be mounted at various sizes of cofferdam master On body 2.
As shown in figure 3, in the present embodiment, regulating part is double thread pipe 33, and 33 both ends of double thread pipe are respectively placed in one In number pipe 31 and No. two pipes 32, No.1 pipe 31 and No. two pipes 32 with 33 thread fitting of double thread pipe, 33 spiral shell of double thread pipe Line is opposite and pitch is consistent, and when rotating double thread pipe 33, No.1 pipe 31 occurs with No. two pipes 32 with double thread pipe 33 Relatively rotate, No.1 pipe 31 and No. two pipes 32 occur the equidistant of opposite direction and slide, and No.1 can be made by rotating double thread pipe 33 Pipe 31 and No. two pipes 32 are close to each other or remote, make horizontal brace 3 flexible.The middle part section of double thread pipe 33 is hexagon, just It is clamped and is rotated in worker.
As shown in figure 3, usually require japanning on No.1 pipe 31 and No. two pipes 32 to prevent corrosion, but double thread pipe 33 with Equal thread fitting between No.1 pipe 31 and double thread pipe 33 and No. two pipes 32, surface are not easy to paint.Double thread pipe 33 holds Corrosion easily occurs, reduces the bonding strength between No.1 pipe 31 and No. two pipes 32, while can compare rotating double thread pipe 33 Arduously.Protective jacket is connected between No.1 pipe 31 and No. two pipes 32, protective jacket can be hidden double thread pipe 33, reduce The contact with air and moisture of double thread pipe 33, slows down the corrosion of double thread pipe 33, extends the service life of horizontal brace 3.
As shown in figure 3, in the present embodiment, protective jacket selects rubber bellows 6, due to No.1 pipe 31 and No. two pipes 32 it Between distance be not fixed, rubber bellows 6 change its length by flexible, be connected to different spacing No.1 pipe 31 and No. two Between pipe 32, double thread pipe 33 is covered and hidden all the time, it is protected, but adjusting double thread pipe 33 When, rubber bellows 6 can stop double thread pipe 33, rubber bellows 6 and No.1 pipe 31 and rubber bellows 6 with It is to be detachably connected between No. two pipes 32, can unload rubber bellows 6 when adjusting double thread pipe 33 prevents rubber Bellows 6 stops double thread pipe 33, after adjusting, then to double between No.1 pipe 31 and No. two pipes 32 Head thread pipe 33 is protected.
As shown in figure 4, being both provided with retainer plate 7 on No.1 pipe 31 and No. two pipes 32, retainer plate 7 is used for rubber bellows 6 are installed, and retainer plate 7 is the annular resilient collar with opening, and 7 opening of retainer plate is provided with bolt 71 and nut 72. Under the action of the thread fitting of bolt 71 and nut 72, rotating nut 72, can adjust the internal diameter of retainer plate 7, realize to rubber The fixation of bellows 6, retainer plate 7 realize being detachably connected between rubber bellows 6 and No.1 pipe 31 and No. two pipes 32.
As shown in figure 3, being provided with horizontal side bar 4 in cofferdam main body 2, pass through flange between 3 both ends of horizontal brace and side bar 4 Connection.Flange increases the contact area between horizontal brace 3 and side bar 4, makes both stable connections, and it is in installation to improve horizontal Stability.Brace 5 is connected between horizontal brace 3 and steel sheet pile 1, brace 5 can be supported horizontal brace 3, support 3 of improving the standard Stability.
Specific implementation process:After cofferdam main body 2 installs, the distance between measurement 2 opposite side of cofferdam main body, rotating nut 72, increase the internal diameter of the retainer plate 7 on horizontal brace 3, rubber bellows 6 are moved on No.1 pipe 31, rotated using instrument double Head thread pipe 33, No.1 pipe 31 and No. two pipes 32 are close to each other or remote, change horizontal brace 3 length, by 3 both ends of horizontal brace with Side bar 4 welds brace 5 by flanged joint between horizontal brace 3 and steel sheet pile 1.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but As long as all protected in the right of the utility model be subject to Patent Law.

Claims (8)

1. a kind of cushion cap foundation pit structure, including by multiple steel sheet piles(1)It is sequentially connected the cofferdam main body enclosed and be set as(2), cofferdam master Body(2)Horizontal brace is connected between opposite two sides(3), it is characterised in that the horizontal brace(3)Including No.1 pipe(31)With No. two pipes(32), the No.1 pipe(31)With described No. two pipes(32)Respectively with cofferdam main body(2)Two opposite sides are connected Connect, the No.1 pipe(31)With No. two pipes(32)Between be provided with for making No.1 pipe(31)With No. two pipes(32)It is close to each other or The regulating part being located remotely from each other.
2. a kind of cushion cap foundation pit structure according to claim 1, it is characterised in that the regulating part is to be connected to No.1 pipe (31)With No. two pipes(32)Between double thread pipe(33), the double thread pipe(33)Both ends are respectively placed in No.1 pipe(31) With No. two pipes(32)It is interior and with the No.1 pipe(31)With No. two pipes(32)Thread fitting.
A kind of 3. cushion cap foundation pit structure according to claim 2, it is characterised in that the double thread pipe(33)Middle part is cut Face is hexagon.
A kind of 4. cushion cap foundation pit structure according to claim 2, it is characterised in that the No.1 pipe(31)With No. two pipes (32)Between be connected with for hiding the double thread pipe(33)Protective jacket.
5. a kind of cushion cap foundation pit structure according to claim 4, it is characterised in that the protective jacket is rubber bellows (6), the rubber bellows(6)With No.1 pipe(31)Between and the rubber bellows(6)With No. two pipes(32)Between To be detachably connected.
A kind of 6. cushion cap foundation pit structure according to claim 5, it is characterised in that the No.1 pipe(31)With No. two pipes (32)On be both provided with for fixing the rubber bellows(6)Retainer plate(7), the retainer plate(7)For with opening Annular resilient collar, the retainer plate(7)On be provided with for adjusting the retainer plate(7)The bolt of internal diameter(71)And nut (72).
A kind of 7. cushion cap foundation pit structure according to claim 1, it is characterised in that the cofferdam main body(2)On be provided with Horizontal side bar(4), the horizontal brace(3)Both ends are set and the side bar(4)Between pass through flanged joint.
A kind of 8. cushion cap foundation pit structure according to claim 7, it is characterised in that the horizontal brace(3)Both ends and steel plate Stake(1)Between be connected with and be used to support the horizontal brace(3)Brace(5).
CN201721244868.1U 2017-09-26 2017-09-26 A kind of cushion cap foundation pit structure Active CN207348077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721244868.1U CN207348077U (en) 2017-09-26 2017-09-26 A kind of cushion cap foundation pit structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721244868.1U CN207348077U (en) 2017-09-26 2017-09-26 A kind of cushion cap foundation pit structure

Publications (1)

Publication Number Publication Date
CN207348077U true CN207348077U (en) 2018-05-11

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109778875A (en) * 2019-03-06 2019-05-21 戴向胜 The combination Circular Steel Support structure of axle power command displacement
CN114150688A (en) * 2021-11-08 2022-03-08 鸿厦建设有限公司 Stagnant water envelope of soft soil foundation building foundation ditch
CN115059104A (en) * 2022-08-01 2022-09-16 山东省大通公路工程有限责任公司 Cofferdam structure for construction of underwater tie beam and construction method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109778875A (en) * 2019-03-06 2019-05-21 戴向胜 The combination Circular Steel Support structure of axle power command displacement
CN114150688A (en) * 2021-11-08 2022-03-08 鸿厦建设有限公司 Stagnant water envelope of soft soil foundation building foundation ditch
CN115059104A (en) * 2022-08-01 2022-09-16 山东省大通公路工程有限责任公司 Cofferdam structure for construction of underwater tie beam and construction method thereof
CN115059104B (en) * 2022-08-01 2024-03-12 山东省大通建设集团有限公司 Cofferdam structure for underwater tie beam construction and construction method thereof

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