CN219671400U - Steel sheet pile cofferdam structure - Google Patents

Abstract

The utility model discloses a steel sheet pile cofferdam structure which comprises a coaming, a steel frame and a supporting frame, wherein the supporting frame is arranged in the coaming, the top of the supporting frame is fixedly connected with a plurality of fixing columns, convex grooves are formed in the fixing columns, T-shaped frames are connected in a sliding mode in the convex grooves, inserting rods are fixedly connected to the bottoms of the T-shaped frames, pressing blocks are fixedly connected to the tops of the T-shaped frames, springs are fixedly connected to the bottoms of the T-shaped frames, fixing plates are fixedly connected to one sides of the fixing columns, and the fixing plates are fixed with the springs. The utility model not only can stably support the steel frame through the support frame, the fixing column and the inserted link, and improves the supporting effect of the device, but also can increase the bearing capacity of the side surface of the bottom of the coaming through the supporting component, improves the using effect of the device, and can enable the support frame to firmly support the steel frame through the limit bolts, thereby improving the fixing effect of the device.

Description

Steel sheet pile cofferdam structure

Technical Field

The utility model relates to the technical field of cofferdam structures, in particular to a steel sheet pile cofferdam structure.

Background

The steel sheet pile cofferdam is a temporary enclosing form widely applied in bridge deep water foundation construction, and is usually reinforced by a steel frame on the inner wall of a steel sheet pile enclosing plate in the enclosing process, so that the enclosing plate can keep a stable enclosing effect.

Through retrieving, the patent of publication number CN215759108U discloses a steel sheet pile cofferdam structure, will consolidate the piece and keep away from the one side of connecting cylinder through the conical head and push, has effectively promoted the structural stability of bounding wall, but in the actual work progress, the steelframe is direct fixation at the inner wall of bounding wall usually, and the steelframe bottom lacks the support for the steelframe exists the risk that drops with the bounding wall separation, influences the construction safety of steel sheet pile cofferdam.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a steel sheet pile cofferdam structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a steel sheet pile cofferdam structure, includes bounding wall, steelframe and support frame, the support frame sets up the inside at the bounding wall, the top fixedly connected with of support frame a plurality of fixed columns, protruding type groove has been seted up to the inside of fixed column, and the inside sliding connection in protruding type groove has T type frame, the bottom fixedly connected with inserted bar of T type frame, the top fixedly connected with briquetting of T type frame, the bottom fixedly connected with spring of T type frame, one side fixedly connected with fixed plate of fixed column, and the fixed plate is fixed mutually with the spring, the recess has all been seted up at the top and the bottom of steelframe, one side of fixed column is provided with the supporting component who supports bounding wall bottom.

As still further scheme of the utility model, the support assembly comprises a sliding block which is connected in the fixed column in a sliding way, and one end of the sliding block is fixedly connected with a baffle plate.

As a still further scheme of the utility model, the two sides of the fixed columns are fixedly connected with reinforcing ribs, and the reinforcing ribs are fixed with the supporting frame.

As a still further scheme of the utility model, one side of each of the plurality of fixing columns is fixedly connected with a guide block.

As a still further scheme of the utility model, a plurality of avoidance holes are formed in the steel frame.

As still further scheme of the utility model, the tops of the fixing columns are all connected with limit bolts in a threaded manner.

As a still further scheme of the utility model, the bottoms of the plurality of inserted bars are all provided with conical surfaces.

The beneficial effects of the utility model are as follows:

1. through the cooperation of support frame, fixed column and inserted bar, put into the inside of bounding wall with the support frame, then put into the inside of bounding wall with the steelframe hoist and mount next, steelframe extrudees the briquetting downwards, the briquetting drives T type frame and moves down, T type frame drives the inserted bar and moves down, thereby make the inserted bar insert in earth through the conical surface that the bottom was seted up, and then make the inserted bar play fixed action to the support frame, prevent that the support frame from taking place horizontal displacement, the recess of steelframe bottom forms the grafting with the top of fixed column, thereby make the fixed column support the steelframe in the inside of bounding wall, and then carry out firm support to the steelframe, avoid taking place steelframe and bounding wall separation and drop, the supporting effect of device has been improved.

2. Through the setting of installation supporting component on the fixed column, the inclined plane of slider one side can be extruded to its conical surface when inserted bar downwardly moving to make the slider remove to the direction of bounding wall in the fixed column, the slider drives baffle and bounding wall contact, thereby makes the baffle play the effect of supporting the protection to the bounding wall, makes the bearing capacity of the bottom side of bounding wall increase, has improved the result of use of device.

3. Through the setting of installing limit bolt on the fixed column, twist limit bolt, make limit bolt move downwards in the fixed column with the upper surface contact of T type frame to make limit bolt jack-up T type frame, thereby make T type frame push down the inserted bar and keep fixed in earth, and then make the support frame more firm to the support of steelframe, improved the fixed effect of device.

Drawings

Fig. 1 is a schematic perspective view of a steel sheet pile cofferdam structure according to the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a coaming of a steel sheet pile cofferdam structure;

FIG. 3 is a schematic diagram of a steel frame cross-sectional structure of a steel sheet pile cofferdam structure provided by the utility model;

fig. 4 is an enlarged schematic view of a portion a of a cofferdam structure of a steel sheet pile according to the present utility model;

fig. 5 is a schematic diagram of a cross-sectional structure of a fixing column of a steel sheet pile cofferdam structure according to the present utility model.

In the figure: 1. coaming plate; 2. a groove; 3. a steel frame; 4. a support frame; 5. fixing the column; 6. reinforcing ribs; 7. a baffle; 8. a slide block; 9. a guide block; 10. a rod; 11. briquetting; 12. a T-shaped frame; 13. a convex groove; 14. a clearance hole; 15. a limit bolt; 16. a fixing plate; 17. and (3) a spring.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for the purpose of illustration only and are not intended to limit the present utility model.

Referring to fig. 1-5, a steel sheet pile cofferdam structure, including bounding wall 1, steelframe 3 and support frame 4, support frame 4 sets up the inside at bounding wall 1, the top welding of support frame 4 has a plurality of fixed columns 5, protruding type groove 13 has been seted up to the inside of fixed column 5, the inside sliding connection of protruding type groove 13 has T type frame 12, the bottom welding of T type frame 12 has inserted bar 10, the top of T type frame 12 has briquetting 11 through the bolt fastening, the bottom welding of T type frame 12 has spring 17, one side of fixed column 5 has fixed plate 16 through the bolt fastening, and fixed plate 16 is fixed with spring 17 mutually, recess 2 has all been seted up at the top and the bottom of steelframe 3, and the recess 2 and the fixed column 5 of steelframe 3 bottom peg graft mutually, one side of fixed column 5 is provided with the supporting component that supports bounding wall 1 bottom, put into the inside of bounding wall 1 with support frame 4, then with the hoist and mount 3, the inside of bounding wall 1 is put into, 3 downwardly extrusion briquetting 11, briquetting 11 drives T type frame 12 downwardly moving, T type frame 12 drive inserted bar 10 downwardly moving, thereby make inserted bar 10 have the conical surface that makes inserted bar 10 take place in the recess 2 and then the fixed column 3 takes place, thereby the fixed column 3 takes place the bottom 1, and prevent that the bottom from taking place, and the fixed column 3 is separated from taking place, thereby, and the bottom 3 is fixed to take place 3 is fixed to the bottom through the bottom, and is kept off, and is kept down in order to be fixed, and is stable.

In the utility model, the supporting component comprises a sliding block 8, the sliding block 8 is slidingly connected in the fixed column 5, one end of the sliding block 8 is fixedly provided with a baffle 7 through a bolt, the inserting rod 10 moves downwards, the conical surface of the inserting rod 10 presses the inclined surface at one side of the sliding block 8, so that the sliding block 8 moves in the fixed column 5 towards the direction of the coaming 1, the sliding block 8 drives the baffle 7 to contact with the coaming 1, the baffle 7 plays a role in supporting and protecting the coaming 1, the pressure bearing capacity of the side surface of the bottom of the coaming 1 is increased, the two sides of a plurality of fixed columns 5 are fixedly provided with reinforcing ribs 6 through bolts, the reinforcing ribs 6 are fixedly provided with a supporting frame 4, the fixed columns 5 are kept vertical by the reinforcing ribs 6, the fixed columns 5 are prevented from inclining and deforming, one sides of the fixed columns 5 are fixedly provided with guide blocks 9 through bolts, the guide blocks 9 are slidingly connected with the inserting rods 10 when the inserting rods 10 are downwards inserted into soil, a plurality of avoidance holes 14 are formed in the steel frame 3, the avoidance holes 14 are symmetrically distributed, the avoidance holes 14 enable limit bolts 15 to pass through the steel frame 3 smoothly, the tops of the fixing columns 5 are connected with the limit bolts 15 in a threaded manner, the tops of the limit bolts 15 pass through the avoidance holes 14, the bottoms of the limit bolts 15 are contacted with the tops of the T-shaped frames 12, the limit bolts 15 are screwed, the limit bolts 15 move downwards in the fixing columns 5 to be contacted with the upper surfaces of the T-shaped frames 12, so that the limit bolts 15 are propped against the T-shaped frames 12, the T-shaped frames 12 are pressed against the inserted bars 10 to be fixed in soil, the support frame 4 supports the steel frame 3 more firmly, conical surfaces are arranged at the bottoms of the insert bars 10, the inserted bars 10 can be inserted into the soil better through the tips of the bottoms of the conical surfaces, and the inclined plane of the sliding block 8 is extruded by the conical surface, so that the sliding block 8 drives the baffle 7 to move.

Working principle: when the steel sheet pile cofferdam is required to be constructed, the bottom of the coaming 1 is inserted into soil to a designated depth, the coaming 1 forms a water-retaining cofferdam, the support frame 4 is slidably arranged in the coaming 1 from the top of the coaming 1, the support frame 4 is contacted with the soil at the bottom, the bottom of the support frame 4 is set to be wide, so that the support frame 4 increases the contact area with the soil, further, the support frame 4 plays a good supporting role, then the steel frame 3 is hoisted and placed in the coaming 1, the bottom of the steel frame 3 is firstly contacted with the pressing block 11 when the steel frame 3 moves downwards, the pressing block 11 drives the T-shaped frame 12 to move downwards in the convex groove 13, the spring 17 is compressed and shortened at the moment, the T-shaped frame 12 drives the inserted rod 10 to move downwards in the guide block 9, so that the inserted rod 10 is inserted into the soil through the conical surface formed at the bottom, the inserted link 10 is further used for fixing the supporting frame 4, so that the supporting frame 4 is prevented from horizontally displacing, the inserted link 10 moves downwards, the conical surface of the inserted link 10 can squeeze the inclined surface on one side of the sliding block 8, so that the sliding block 8 moves in the fixing column 5 towards the direction of the coaming 1, the sliding block 8 drives the baffle 7 to contact with the coaming 1, the baffle 7 plays a role in supporting and protecting the coaming 1, the bearing capacity of the bottom side surface of the coaming 1 is improved, when the steel frame 3 contacts with the fixing column 5, the groove 2 at the bottom of the steel frame 3 is spliced with the top of the fixing column 5, the steel frame 3 is supported in the coaming 1 by the fixing column 5, the side surface of the steel frame 3 contacts with the coaming 1 in a fitting way, the coaming 1 is supported and fixed by the steel frame 3, deformation of the coaming 1 is avoided, finally, the limit bolt 15 passes through the clearance hole 14 to be in threaded connection with the fixing column 5, and then the limit bolt 15 is screwed, the limit bolts 15 are moved downward to contact the upper surface of the T-shaped frame 12, so that the limit bolts 15 are pressed against the T-shaped frame 12, and the insert rod 10 can be kept fixed.

In the description of the present utility model, the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Claims (7)

1. The utility model provides a steel sheet pile cofferdam structure, includes bounding wall (1), steelframe (3) and support frame (4), support frame (4) set up the inside at bounding wall (1), a serial communication port, the top fixedly connected with of support frame (4) is a plurality of fixed columns (5), protruding type groove (13) have been seted up to the inside of fixed column (5), the inside sliding connection of protruding type groove (13) has T type frame (12), the bottom fixedly connected with inserted bar (10) of T type frame (12), the top fixedly connected with briquetting (11) of T type frame (12), the bottom fixedly connected with spring (17) of T type frame (12), one side fixedly connected with fixed plate (16) of fixed column (5), and fixed plate (16) are fixed mutually with spring (17), recess (2) are all seted up to the top and the bottom of steelframe (3), one side of fixed column (5) is provided with the supporting component that supports bounding wall (1) bottom.

2. A steel sheet pile cofferdam structure as claimed in claim 1, characterized in that the supporting assembly comprises a slide block (8), the slide block (8) is slidably connected inside the fixed column (5), and one end of the slide block (8) is fixedly connected with a baffle plate (7).

3. A steel sheet pile cofferdam structure as claimed in claim 1, wherein a plurality of said fixing columns (5) are fixedly connected with reinforcing ribs (6) on both sides thereof, and the reinforcing ribs (6) are fixed to the supporting frame (4).

4. A steel sheet pile cofferdam structure as in claim 3, wherein a plurality of said fixed columns (5) are fixedly connected with guide blocks (9) on one side.

5. A steel sheet pile cofferdam structure as claimed in claim 1, characterized in that a plurality of clearance holes (14) are formed in the steel frame (3).

6. A steel sheet pile cofferdam structure as claimed in claim 4, wherein the tops of a plurality of the fixing columns (5) are all screwed with limit bolts (15).

7. A steel sheet pile cofferdam structure as in claim 1, wherein the bottoms of a plurality of said inserted bars (10) are each provided with a tapered surface.