CN208309609U - Lock catch device and its locking notch structure for cofferdam - Google Patents

Lock catch device and its locking notch structure for cofferdam Download PDF

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Publication number
CN208309609U
CN208309609U CN201820834582.7U CN201820834582U CN208309609U CN 208309609 U CN208309609 U CN 208309609U CN 201820834582 U CN201820834582 U CN 201820834582U CN 208309609 U CN208309609 U CN 208309609U
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China
Prior art keywords
cofferdam
tube
steel
tube body
locking notch
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CN201820834582.7U
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Chinese (zh)
Inventor
吴建勋
丘润兴
余珈
陈尚星
姚明洲
虞璇
高贞
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Lead Heavy (shanghai) Heavy Duty Cold Rolling Co Ltd
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Lead Heavy (shanghai) Heavy Duty Cold Rolling Co Ltd
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Abstract

The utility model provides a kind of lock catch device and its locking notch structure for cofferdam, is related to cofferdam technical field, solves the technical problem of existing cofferdam locking notch structure water-stagnating effect difference.The lock catch device for cofferdam includes cofferdam ontology, the first tube body and the second tube body that directly or indirectly connect with cofferdam ontology, first tube body is circular tube structure, second tube body is along the round tube for itself being axially arranged with opening, the internal diameter of first tube body less than the second tube body internal diameter and be greater than the width dimensions of opening, the axial direction of the first tube body is parallel with the axial direction of the second tube body;The locking notch structure for cofferdam includes at least two lock catch devices for being used for cofferdam, one of them can be inserted in the second tube body of adjacent another for the lock catch device in cofferdam for first tube body of the lock catch device in cofferdam and form interlocked connecting mechanism when cofferdam.The utility model is used to be modified to the water-stagnating effect of the locking notch structure in cofferdam.

Description

Lock catch device and its locking notch structure for cofferdam
Technical field
The utility model relates to cofferdam technical fields, more particularly, to a kind of lock catch device for cofferdam and its fore shaft knot Structure.
Background technique
With the continuous development of deep water foundation engineering technology, fore shaft steel-pipe pile is big with its section rigidity, flexing resistance is good, can weigh It is widely used in the construction of steel cofferdam the features such as utilization again.But steel-pipe pile in the prior art and steel-pipe pile or steel pipe It is but often not fully up to expectations using connection structure between stake and cofferdam plate.The processing of early stage connection structure is simple, and easy leak causes to apply Pumping for water pump must be used for a long time during work, or even also need to launch clay Slag Blend on the outside of fore shaft to be stopped Water increases a large amount of manpower and material resources costs;Some engineering project utility models can tight water lock structure, but component compared with More, steel usage amount is big, and processing complexity has dragged slowly entire project progress.
The type of attachment of fore shaft mainly has the dominant forms such as L-T type and C-T type at present.
Existing steel pipe pile locking notch structure or water-stagnating effect is general or processing method is complicated, must prepare a large amount of auxiliary products.Its In, L-T type water-stagnating effect in several major class is poor;C-T type water-stagnating effect is general and is not easy accurately to determine during inserting piling Position, is unfavorable for constructing.
Applicants have discovered that at least there is following technical problem in the prior art: existing cofferdam locking notch structure water-stagnating effect Difference.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of lock catch device and its locking notch structure for cofferdam The technical problem of cofferdam locking notch structure water-stagnating effect difference present in technology.In many technical solutions provided by the utility model Many technical effects elaboration as detailed below that optimal technical scheme can be generated.
To achieve the above object, the utility model provides following technical scheme:
Lock catch device provided by the utility model for cofferdam, including cofferdam ontology, with the cofferdam ontology directly or The first tube body and the second tube body that person is indirectly connected with, in which: first tube body is circular tube structure, and second tube body is along certainly Body is axially arranged with the round tube of opening, and the internal diameter of first tube body is less than the internal diameter of second tube body and is greater than the opening Width dimensions, the axial direction of first tube body are parallel with the axial direction of second tube body.
The utility model additionally provides a kind of locking notch structure for cofferdam, the lock including being used for cofferdam described at least two Mouth device, wherein the first tube body of one of them lock catch device for cofferdam can be inserted in another adjacent when cofferdam Interlocked connecting mechanism is formed in second tube body of the lock catch device for cofferdam.
Further, the cofferdam ontology is steel pipe or steel cofferdam plate, and first tube body is steel floral tube, second pipe Body is cylindrical steel tube.
Further, the bottom of the steel floral tube is taper, when cofferdam the steel floral tube bottom and the cofferdam ontology Bottom is squeezed into together in underwater earth's surface.
Further, the spray of molten steel bottom of the tube closing, and at least two rows of slurry holes thoroughly, the steel are circumferentially opened in the steel floral tube bottom end The position for starching hole is higher than underwater earth's surface after floral tube is inserted into underwater earth's surface, and sealing material can ooze out into institute from the slurry hole It states between steel floral tube and the cylindrical steel tube.
Further, the slurry hole is towards inside cofferdam, sealing material from the slurry hole ooze out into the steel floral tube with The side inside cofferdam is flow to when between the cylindrical steel tube first.
Further, the steel floral tube and/or the cylindrical steel tube pass through stiffener respectively and are connected with the cofferdam ontology, institute It states in the plane that the axial line of steel floral tube and/or the cylindrical steel tube is located at where the coupled stiffener.
Further, between the stiffener being connected with the steel floral tube and the stiffener being connected with the cylindrical steel tube Angle be 180 degree, 90 degree, acute angle or obtuse angle.
Further, the cylindrical steel tube elevation of bottom is apart from the cofferdam body bottom portion absolute altitude 3-5m.
Further, the outer diameter of the cylindrical steel tube than the steel floral tube internal diameter more than 50-70mm.
The utility model has the following beneficial effects: the utility model utilizes the difference in internal diameters of the first tube body and the second tube body, and First tube body is inserted in the second tube body of adjacent locking notch structure in inserting piling and forms a kind of pipe by the opening in the second tube body axial direction The interlocking connection locking notch structure of pipe combination, since the camber line of the outer surface of the first tube body can be the same as the camber line of the inner surface of the second tube body It matches to form more strict enclosure space, water-stagnating effect is preferable, no longer needs to pumping for water pump be used for a long time or outside fore shaft Clay Slag Blend is launched to carry out sealing in side, thus decreases construction cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is schematic diagram of the utility model for the locking notch structure in cofferdam;
Fig. 2 is schematic diagram of the utility model for one embodiment of the lock catch device in cofferdam;
Fig. 3 is schematic diagram of the utility model for another embodiment of the lock catch device in cofferdam.
1 in figure, cofferdam ontology;2, stiffener;3, stiffener;4, steel floral tube;5, cylindrical steel tube.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1-3, the lock catch device provided by the utility model for cofferdam, including cofferdam ontology 1 and cofferdam sheet The first tube body and the second tube body that body 1 directly or indirectly connects, the first tube body are circular tube structure, and the second tube body is along itself axis To the round tube for being equipped with opening, the internal diameter of the first tube body less than the second tube body internal diameter and be greater than the width dimensions of opening, the first pipe The axial direction of body is parallel with the axial direction of the second tube body.
The utility model additionally provides a kind of locking notch structure for cofferdam, the fore shaft dress including at least two for cofferdam It sets, one of them can be inserted in adjacent another for first tube body of the lock catch device in cofferdam and be used for the fore shaft in cofferdam when cofferdam The locking notch structure of interlocking connection is formed in second tube body of device.The utility model utilizes the internal diameter of the first tube body and the second tube body Difference and the second tube body opening that axially upper side is arranged, when being used for the lock catch device in cofferdam for assembled two by the first tube body It is inserted in the interlocking connection locking notch structure that a kind of pipe pipe combination is formed in the second tube body of adjacent locking notch structure, due to the first tube body The camber line of outer surface can match to form more strict enclosure space with the camber line of the inner surface of the second tube body, water-stagnating effect compared with It is good, it no longer needs to that pumping for water pump is used for a long time or launches clay Slag Blend on the outside of fore shaft to carry out sealing, thus also subtract Construction cost is lacked.
Optionally embodiment, cofferdam ontology 1 are steel pipe or steel cofferdam plate, and the first tube body is steel floral tube 4, second Tube body is cylindrical steel tube 5.Steel pipe and steel sheet pile are larger as 1 intensity of cofferdam ontology, and material is easy to get, and processing is relatively convenient;Similarly, the spray of molten steel Pipe 4 and cylindrical steel tube 5 are sufficiently large as the strength of parts of locking notch structure, and material is easy to get, and processing is relatively convenient;Steel floral tube 4 is round tube knot Structure, a side opening of the cylindrical steel tube 5 along own axes.
Optionally embodiment, the bottom of steel floral tube 4 are taper, the bottom of steel floral tube 4 and cofferdam ontology 1 when cofferdam Bottom squeezed into underwater earth's surface together.Steel floral tube 4 compares its bottom with common steel tube with taper processing, such work progress In with while steel sheet pile or steel pipe are driven into underwater earth's surface steel floral tube 4 be also driven into underwater earth's surface, at this moment steel floral tube 4 bore The bottom of shape reduces earth's surface and fights each other fashionable resistance, reduces difficulty of construction.
At least two rows of slurry holes thoroughly are circumferentially opened in optionally embodiment, the closing of 4 bottom of steel floral tube, and 4 bottom end of steel floral tube, Steel floral tube 4 is inserted into after underwater earth's surface the position for starching hole thoroughly higher than underwater earth's surface, and sealing material can ooze out into steel floral tube 4 from saturating slurry hole Between cylindrical steel tube 5.Since the locking notch structure that steel floral tube 4 and cylindrical steel tube 5 are formed still has certain gap, in the spray of molten steel At least two rows of slurry holes thoroughly are circumferentially opened in 4 bottom end of pipe, facilitate injection sealing material and can be automatically filled in steel floral tube 4 and steel in locking notch structure Gap between round tube 5;And steel floral tube 4 is inserted into after underwater earth's surface the position for starching hole thoroughly higher than underwater earth's surface, starches hole not thoroughly in this way It can be blocked;The embodiment of specific slip casting are as follows: liquid sealing material is injected into steel floral tube 4, sealing material can pass through the spray of molten steel The saturating slurry hole of pipe 4 itself is exuded to the gap between steel floral tube 4 and cylindrical steel tube 5, blocks inside lateral seepage on the outside of cofferdam.
Optionally embodiment, starches hole towards inside cofferdam thoroughly, sealing material from saturating slurry hole ooze out into steel floral tube 4 with The side inside cofferdam is flow to when between cylindrical steel tube 5 first.Position of the slurry hole on steel floral tube 4 is provided towards in cofferdam thoroughly Portion, such sealing material flow to the side inside cofferdam when oozing out between steel floral tube 4 and cylindrical steel tube 5 from saturating slurry hole first, and It will be sealed up first inside cofferdam, avoid slurry hole from entering sealing material in water towards cofferdam outside, waste sealing material, Reduce solidification and sealing effect.
Optionally embodiment, steel floral tube 4 and cylindrical steel tube 5 pass through stiffener 2 and stiffener 3 and cofferdam ontology respectively 1 is connected, and the axial line of steel floral tube 4 and cylindrical steel tube 5 is located at the flat of coupled 3 place of stiffener 2 and stiffener In face.It is welded with stiffener 2 and stiffener 3 respectively between cofferdam ontology 1 and steel floral tube 4, between cofferdam ontology 1 and cylindrical steel tube 5, this Sample increases the visual length of locking notch structure, and construction is facilitated to position;Simultaneously lengthen locking notch structure in a disguised form reduce steel sheet pile or The dosage of person's steel pipe, is greatly saved material;In the present embodiment, the length range of stiffener 2 and stiffener 3 is 20mm- 2000mm, specific length depends on execution conditions, and it is with a thickness of 12mm.
Optionally embodiment, the stiffener 2 being connected with steel floral tube 4 and the stiffener 3 being connected with cylindrical steel tube 5 Between angle be 180 degree, 90 degree, acute angle or obtuse angle.When cofferdam ontology 1 is steel pipe, embodiment as shown in Figure 2 is being spelled When connecing linear type cofferdam locking notch structure, the structure of the lock catch device used are as follows: along the axis of steel pipe, welded in opposite two sides The stiffener 2 and stiffener 3 of 12mm thickness, make the stiffener being connected with steel floral tube 42 and the stiffener being connected with cylindrical steel tube 53 Between angle be 180 degree, length is designed depending on requirement of engineering;
Embodiment as shown in Figure 3, when the locking notch structure at the right angle corner of cofferdam is built in splicing, the lock catch device that uses Structure are as follows: along the axis of steel pipe, in the stiffener 2 of side welding 12mm thickness, in another axis of intersection perpendicular to the axis Upper welding stiffener 3, makes the angle between the stiffener being connected with steel floral tube 42 and the stiffener being connected with cylindrical steel tube 53 It is 90 degree, length is designed depending on requirement of engineering;
In the locking notch structure for the corner that the irregular angle in cofferdam is built in splicing, the structure of the lock catch device used are as follows: Along the axis of steel pipe, in the stiffener 2 of side welding 12mm thickness, in another that the angle to axis is corresponding obtuse angle or acute angle Stiffener 3, the angle between the stiffener 2 being connected with steel floral tube 4 and the stiffener 3 being connected with cylindrical steel tube 5 are welded on axis Degree is acute angle or obtuse angle, and length is designed depending on requirement of engineering;
When cofferdam ontology 1 be steel sheet pile when the case where with steel pipe the case where it is similar, respectively with 5 phase of steel floral tube 4 and cylindrical steel tube The shape in cofferdam determines when angle between the stiffener 2 and stiffener 3 of connection should be built cofferdam by splicing.
Optionally embodiment, 5 elevation of bottom of cylindrical steel tube is apart from 1 elevation of bottom 3-5m of cofferdam ontology.In order to save Material, cylindrical steel tube 5 need not be consistent with the length of cofferdam ontology 1 or steel floral tube 4, therefore set 5 elevation of bottom of cylindrical steel tube to Apart from 1 elevation of bottom 3-5m of cofferdam ontology, it not only can guarantee that cylindrical steel tube 5 and steel floral tube 4 formed firm locking notch structure, but also energy in this way Save material.
Optionally embodiment, the outer diameter of cylindrical steel tube 5 than steel floral tube 4 internal diameter more than 50-70mm.Steel floral tube 4 allows Size is increased accordingly from 42~Φ of Φ 108, cylindrical steel tube 5;If cylindrical steel tube 5 is smaller than 4 size of steel floral tube too many, 4 appearance of steel floral tube The camber line in face cannot obtain preferably being bonded effect with the camber line of the inner surface of cylindrical steel tube 5, and the two size difference is too small, then applies Difficulty is larger when steel floral tube 4 is inserted in the cylindrical steel tube 5 of adjacent locking notch structure by working hour;Ideal water-stagnating effect in order to obtain, at this The outer diameter of cylindrical steel tube 5 is slightly larger than the internal diameter about 50-70mm of steel floral tube 4 in embodiment.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of lock catch device for cofferdam, which is characterized in that including cofferdam ontology and the cofferdam ontology directly or The first tube body and the second tube body connect in succession, in which: first tube body is circular tube structure, and second tube body is along itself axis To the round tube for being equipped with opening, the internal diameter of first tube body is less than the internal diameter of second tube body and is greater than the width of the opening Size, the axial direction of first tube body are parallel with the axial direction of second tube body.
2. a kind of locking notch structure for cofferdam, which is characterized in that described in claim 1 for cofferdam including at least two Lock catch device, wherein the first tube body of one of them lock catch device for cofferdam can be inserted in adjacent another when cofferdam Interlocked connecting mechanism is formed in a second tube body for the lock catch device in cofferdam.
3. the locking notch structure according to claim 2 for cofferdam, which is characterized in that the cofferdam ontology be steel pipe or Steel cofferdam plate, first tube body are steel floral tube, and second tube body is cylindrical steel tube.
4. the locking notch structure according to claim 3 for cofferdam, which is characterized in that the bottom of the steel floral tube is cone Shape, when cofferdam the bottom of the steel floral tube squeezed into underwater earth's surface together with the bottom of the cofferdam ontology.
5. the locking notch structure according to claim 3 for cofferdam, which is characterized in that the spray of molten steel bottom of the tube closing, and At least two rows of slurry holes thoroughly are circumferentially opened in the steel floral tube bottom end, and the steel floral tube is inserted into the position height in the slurry hole after underwater earth's surface In underwater earth's surface, sealing material can ooze out between the steel floral tube and the cylindrical steel tube from the slurry hole.
6. the locking notch structure according to claim 5 for cofferdam, which is characterized in that the slurry hole is towards in cofferdam Portion, sealing material flow to one inside cofferdam when oozing out between the steel floral tube and the cylindrical steel tube from the slurry hole first Side.
7. the locking notch structure according to claim 3 for cofferdam, which is characterized in that the steel floral tube and/or the steel Round tube passes through stiffener respectively and is connected with the cofferdam ontology, the axial line difference of the steel floral tube and/or the cylindrical steel tube In the plane where the coupled stiffener.
8. the locking notch structure according to claim 7 for cofferdam, which is characterized in that the institute being connected with the steel floral tube The angle between stiffener and the stiffener being connected with the cylindrical steel tube is stated as 180 degree, 90 degree, acute angle or obtuse angle.
9. the locking notch structure according to claim 3 for cofferdam, which is characterized in that the cylindrical steel tube elevation of bottom distance The cofferdam body bottom portion absolute altitude 3-5m.
10. the locking notch structure according to claim 3 for cofferdam, which is characterized in that the outer diameter of the cylindrical steel tube compares institute State the more 50-70mm of internal diameter of steel floral tube.
CN201820834582.7U 2018-05-31 2018-05-31 Lock catch device and its locking notch structure for cofferdam Active CN208309609U (en)

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CN201820834582.7U CN208309609U (en) 2018-05-31 2018-05-31 Lock catch device and its locking notch structure for cofferdam

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Application Number Priority Date Filing Date Title
CN201820834582.7U CN208309609U (en) 2018-05-31 2018-05-31 Lock catch device and its locking notch structure for cofferdam

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108547309A (en) * 2018-05-31 2018-09-18 欧领特(上海)重型冷轧有限公司 Lock catch device and its locking notch structure for cofferdam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108547309A (en) * 2018-05-31 2018-09-18 欧领特(上海)重型冷轧有限公司 Lock catch device and its locking notch structure for cofferdam

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