CN212641438U - Steel reinforcement cage with prevent floating cage function - Google Patents
Steel reinforcement cage with prevent floating cage function Download PDFInfo
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- CN212641438U CN212641438U CN202020847524.5U CN202020847524U CN212641438U CN 212641438 U CN212641438 U CN 212641438U CN 202020847524 U CN202020847524 U CN 202020847524U CN 212641438 U CN212641438 U CN 212641438U
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Abstract
The utility model relates to the technical field of steel reinforcement cages, in particular to a steel reinforcement cage with anti-floating cage function, which comprises a plurality of cage bodies connected end to end in sequence, wherein the bottom of the cage body positioned at the lowest layer is provided with an anti-floating frame, the anti-floating frame comprises a plurality of first anti-floating rods and a plurality of second anti-floating rods staggered with the first anti-floating rods, and the two ends of the first anti-floating rods and the two ends of the second anti-floating rods are fixedly connected with the bottom of the cage body positioned at the lowest layer; every the cage body periphery is equipped with a plurality of circular shape and prevents floating the cushion, works as when the cage body is gone into the sleeve pipe in, it is a plurality of prevent floating the cushion and keep away from one side butt sleeve pipe inner wall of the cage body and make the axis of the cage body and the coincidence of sheathed tube axis. The utility model discloses a steel reinforcement cage with prevent cage function floats, is difficult for appearing the phenomenon of steel reinforcement cage come-up when the bored concrete pile construction, is favorable to improving and becomes stake quality and construction speed.
Description
Technical Field
The utility model relates to a steel reinforcement cage technical field, concretely relates to steel reinforcement cage with prevent floating cage function.
Background
In karst development areas, karst caves and cracks generally develop, and the geological structure is relatively complex. The karst cave generally comprises single and multilayer (bead-string-shaped) karst caves, small karst caves with the cave height less than or equal to 3m and large karst caves with the cave height more than 3m, and also comprises full-filled, half-filled and unfilled karst caves. When cast-in-place pile construction is carried out in a karst development area, the problem of upward floating of a reinforcement cage sometimes occurs, and pile forming quality and construction speed are influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a steel reinforcement cage with prevent floating cage function is difficult for appearing the phenomenon of steel reinforcement cage come-up when the bored concrete pile construction, is favorable to improving and becomes stake quality and construction speed.
The utility model provides a technical scheme that its technical problem adopted is:
a steel reinforcement cage with cage function of preventing floating, it includes a plurality of cage bodies that connect gradually end to end, the bottom located in the cage body of the lowest floor is equipped with and prevented the floating frame, prevent floating frame include several first prevent floating rod and several second prevent floating rod that stagger setting with first prevent floating rod while being said, both ends of several said first prevent floating rod and both ends of several said second prevent floating rod are fixedly connected with bottom located in the cage body of the lowest floor; every the cage body periphery is equipped with a plurality of circular shape and prevents floating the cushion, works as when the cage body is gone into the sleeve pipe in, it is a plurality of prevent floating the cushion and keep away from one side butt sleeve pipe inner wall of the cage body and make the axis of the cage body and the coincidence of sheathed tube axis.
The cage body comprises a main rib cage and a plurality of connecting rings arranged along the periphery of the main rib cage in a surrounding mode, the connecting rings are arranged along the length direction of the main rib cage at intervals, the connecting rings are fixedly connected with the main rib cage, and the anti-floating cushion blocks are arranged on the connecting rings in a rotating mode.
The cage comprises a cage body, wherein three connecting rings are arranged on the cage body, each connecting ring is provided with an anti-floating cushion block, and the horizontal distance between the anti-floating cushion blocks is equal to that between the anti-floating cushion blocks.
The anti-floating cushion block is a concrete anti-floating cushion block.
The cage body further comprises a plurality of stirrups which are arranged along the periphery of the main reinforcement cage in a surrounding mode, the stirrups are arranged along the length direction of the main reinforcement cage at intervals, and the stirrups are fixedly connected with the main reinforcement cage.
Wherein, it is a plurality of the cage body constitutes the cage main part, the cage main part periphery is encircleed and is used for blockking the metal wire mesh body of concrete coarse grained rubble to the outside diffusion of cage main part, the metal wire mesh body is equipped with the close mesh screen cloth that is used for blockking the cement mortar sand to the outside diffusion of cage main part outward, the bottom of close mesh screen cloth seals the setting, the bottom quilt cover of cage main part is located in the close mesh screen cloth, one side of anti-floating cushion block runs through the metal wire mesh body and close mesh screen cloth is located outside the close mesh screen cloth.
The cage main body comprises a plurality of sections of leakage-proof sections, when the pile hole is placed under the cage main body, the upper end of each leakage-proof section is located above one meter at the top of the karst cave, the lower end of each leakage-proof section is located below one meter at the bottom of the karst cave, the upper end and the lower end of the metal net body are respectively aligned with the upper end and the lower end of each leakage-proof section, and the plurality of leakage-proof sections of the cage main body correspond to the karst caves through which the pile hole passes one to one.
The dense mesh net sleeve is provided with a plurality of reinforcing rings at intervals, and the reinforcing rings surround the periphery of the dense mesh net sleeve to fixedly connect the dense mesh net sleeve with the metal net body and the cage body.
Wherein, the surface of the metal net body is provided with a zinc coating.
Wherein the density of the dense mesh net is 1900 meshes/100 cm22100 mesh/100 cm2。
The utility model has the advantages that:
the anti-floating frame is arranged at the bottom of the cage body positioned at the lowest layer, so that the anti-floating frame can be completely covered by the initially poured concrete, and the reinforcing cage can not float up due to the buoyancy of the concrete when the concrete is poured;
the utility model discloses set up a plurality of cushion blocks of preventing floating on the cage body, and a plurality of prevent floating the cushion block and keep away from one side of the cage body respectively butt sleeve pipe inner wall make the axis of the cage body and the coincidence of sheathed tube axis, and then make the sleeve pipe because receive a plurality of effects of blockking of preventing floating the cushion block when being pulled up, can not incline when the sleeve pipe upwards is pulled up, can keep the sleeve pipe to pull up perpendicularly upwards all the time, make sleeve pipe inner wall can not be because the slope and with steel reinforcement cage excessive contact or friction, and then make steel reinforcement cage can not because the concrete piece of being overlapped the inner wall hook-up or because the frictional force between sleeve pipe and the steel reinforcement cage is taken and is caused the problem of floating the cage. The anti-floating cushion block is set to be circular, because the contact area between the circular edge and the inner wall of the sleeve is smaller, the friction force between the anti-floating cushion block and the inner wall of the sleeve is favorably reduced, and then the steel bar cage is more favorably prevented from being taken up when the sleeve is pulled up, and the sleeve pulling speed is favorably improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
figure 2 is a side view of a cage according to an embodiment of the present invention;
fig. 3 is a top view of the anti-floating frame according to the embodiment of the present invention.
Description of reference numerals: 1. a cage body; 2. an anti-floating frame; 21. a first anti-float rod; 22. a second anti-floating rod; 3. an anti-floating cushion block; 4. a connecting ring; 5. hooping; 6. a main reinforcement cage; 7. a metal mesh body; 8. a dense mesh net cover; 9. a leakage-proof section; 10. a reinforcement ring; 11. and (4) cave filling.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.
The utility model provides a steel reinforcement cage with prevent cage function, as shown in fig. 1-3, it includes a plurality of head and the tail cage body 1 that connect gradually, and the bottom that is located the cage body 1 of lower floor is equipped with prevents floating frame 2, prevent that floating frame 2 includes that a plurality of roots are first prevent the buoy bar 21 and a plurality of roots and the crisscross second that sets up of buoy bar 21 prevent buoy bar 22, a plurality of the first both ends and a plurality of roots of preventing buoy bar 21 the both ends of buoy bar 22 are all prevented with the bottom fixed connection that is located the cage body 1 of lower floor to the second. Every 1 periphery of the cage body is equipped with a plurality of circular shape and prevents floating the cushion 3, works as when the sleeve pipe was put into under the cage body 1, it is a plurality of prevent floating the cushion 3 and keep away from one side of the cage body 1 butt quill inner wall respectively and make the axis of the cage body 1 coincide with sheathed tube axis.
The utility model discloses a bottom setting at the cage body 1 that is located the lower floor prevents floating frame 2, makes just pouring concrete can cover completely and prevent floating frame 2, and then the phenomenon that the steel reinforcement cage can not take place the come-up because of the buoyancy that receives the concrete when making the poured concrete. Specifically, a plurality of first anti-floating rods 21 and a plurality of second anti-floating rods 22 are arranged in a staggered mode to form a latticed anti-floating frame 2, and then when concrete is poured, partial concrete can flow into the bottom of the cage body 1 from meshes formed by the first anti-floating rods 21 and the second anti-floating rods 22 and is connected with the bottom of a pile hole of the cast-in-place pile, and the quality of the cast-in-place pile is improved.
When cast-in-place pile construction is carried out in a karst development area, generally, an impact and rotary drilling hole forming process is most commonly adopted, the stress of a drill bit is not uniform due to the inclination of a rock surface in the hole forming process, inclined holes, stuck drilling and falling drilling are easy to occur, rock blocks and clay are required to be backfilled repeatedly for impact drilling to correct the deviation, and cast-in-place concrete is required to treat deviated holes during rotary drilling so as to cause difficulty in drilling hole forming; when the karst cave 11, particularly the big unfilled karst cave 11, is encountered, mud leakage and hole collapse are easy to occur, and the problem of ground collapse is serious even caused. Therefore, when the bored pile pore-forming construction is carried out in a karst development area, in order to ensure the perpendicularity of a pile hole and avoid the influence of the leakage of the karst cave 11 on the pore-forming, a full-casing full-rotary drilling machine pore-forming process is adopted during drilling, a casing is driven to drill a pore-forming hole by utilizing the strong torque of the full-rotary drilling machine, the casing is drilled to the preset depth of the pile hole, then the reinforcement cage is lifted and placed into the casing, then concrete is poured into the reinforcement cage, and the casing is pulled out while the concrete is poured. Because partial concrete blocks may be adhered to the inner wall of the sleeve in the process of pulling out the sleeve, when the concrete blocks are contacted with the reinforcement cage, the concrete blocks are easy to contact with the reinforcement cage and even drive the reinforcement cage to move upwards along with the sleeve synchronously, in order to avoid the process of pulling out the sleeve, the reinforcement cage is driven by the sleeve to move upwards, the cage body 1 of the utility model is provided with a plurality of anti-floating cushion blocks 3, and one side of the anti-floating cushion blocks 3 far away from the cage body 1 is respectively abutted against the inner wall of the sleeve so that the central axis of the cage body 1 is superposed with the central axis of the sleeve, further, the sleeve can not be inclined when being pulled up due to the blocking effect of the anti-floating cushion blocks 3 when being pulled up, the sleeve can be always kept to be vertically pulled up, the inner wall of the sleeve can not be excessively contacted or rubbed with the reinforcement cage due to inclination, and the problem that the reinforcement cage floats due to the fact that the reinforcement cage is hooked by concrete blocks on the inner wall of the sleeve or due to the fact that friction force between the sleeve and the reinforcement cage is brought up is solved. The anti-floating cushion block 3 is set to be circular because the contact area between the circular edge and the inner wall of the sleeve is smaller, so that the friction force between the anti-floating cushion block 3 and the inner wall of the sleeve is favorably reduced, the steel bar cage is further favorably prevented from being brought up when the sleeve is pulled up, and the sleeve pulling-up speed is favorably improved.
Wherein, the cage body 1 includes main muscle cage 6 and encircles a plurality of go-between 4 that set up along 6 peripheries of main muscle cage, and is concrete, main muscle cage 6 is a plurality of by many main muscle go-between 4 sets up along 6 length direction intervals of main muscle cage, go-between 4 and 6 fixed connection of main muscle cage, prevent floating cushion block 3 and rotate and locate on go-between 4.
On locating go-between 4 through will preventing floating cushion block 3 and rotating, and then when making the sleeve pipe pull up, prevent floating cushion block 3 and can follow the sheathed tube direction of pulling up and rotate, be favorable to further reducing the sleeve pipe and prevent the frictional force between the floating cushion block 3, and then more be favorable to avoiding taking up the steel reinforcement cage when the sleeve pipe pulls up to further improve the speed that the sleeve pipe was pulled up.
Wherein, in order to reduce the installation quantity of preventing floating pad 3, improve steel reinforcement cage's preparation efficiency, can not take place the slope when guaranteeing simultaneously that the sleeve pipe pulls out and cause the condition that the sleeve pipe hooked up cage body 1, every be provided with three go-between 4 on the cage body 1, every be equipped with one on the go-between 4 and prevent floating pad 3, three on the same cage body 1 prevent floating pad 3's horizontal distance equals.
The anti-floating cushion block 3 is a concrete anti-floating cushion block 3, the concrete anti-floating cushion block 3 is high in strength, the manufacturing process is simple, and the concrete anti-floating cushion block can be used as a part of a cast-in-place pile after being cast in place, so that the quality of the cast-in-place pile is improved.
Wherein, the cage body 1 still includes and encircles a plurality of stirrups 5 that set up along 6 peripheries of main muscle cage, and is a plurality of stirrup 5 sets up along the length direction interval of main muscle cage 6, stirrup 5 and 6 fixed connection of main muscle cage, the setting of stirrup 5 do benefit to the bulk strength that improves the steel reinforcement cage, and then improves the quality of bored concrete pile.
Wherein, it is a plurality of the cage body 1 constitutes the cage main part (not marking in the picture), the cage main part periphery is encircleed and is arranged in stopping the metal dictyosome 7 that concrete coarse grained macadam diffused to the cage main part outside, metal dictyosome 7 is equipped with outward and is used for stopping the dense mesh cover 8 of cement mortar to the outside diffusion of cage main part, the setting is sealed to the bottom of dense mesh cover 8, the bottom quilt cover of cage main part is located in the dense mesh cover 8, one side of preventing floating pad piece 3 is run through metal dictyosome 7 and dense mesh cover 8 and is located dense mesh cover 8 outsidely.
The utility model discloses a set up metal mesh body 7 in the cage main part outside, can effectively reduce 11 sections concrete coarse grain rubbles in solution cavity and spread toward the steel reinforcement cage outside to set up close mesh net cover 8 in the 7 outsides of metal mesh body, flow toward the steel reinforcement cage outside with the material of further fine grain diameters such as separation cement mortar sand, guarantee the wholeness and the pile body integrality of concrete in the steel reinforcement cage. The strength and the toughness of the metal net body 7 are both large, and the metal net body is not easy to deform or break due to the pressure of concrete in the karst cave 11 section, so that the reduction of the concrete pouring amount is facilitated. One side of the anti-floating cushion block 3 penetrates through the metal net body 7 and the dense mesh net sleeve 8 and is arranged outside the dense mesh net sleeve 8, so that the anti-floating cushion block 3 is always abutted to the inner wall of the sleeve, and the dense mesh net sleeve 8 is prevented from being hung up when the inner wall of the sleeve is pulled out.
Wherein, the cage main part includes a plurality of sections leak protection sections 9, works as when the stake is downthehole under the cage main part, the upper end of leak protection section 9 is located cavern 11 top more than a meter, the lower extreme of leak protection section 9 is located cavern 11 bottom less than a meter, the upper and lower end of metal mesh body 7 is aligned with the upper and lower end of leak protection section 9 respectively, a plurality of leak protection section 9 of cage main part and the 11 one-to-one correspondences of cavern that the stake hole passed.
That is to say, the upper end of the metal net body 7 is located more than one meter at the top of the karst cave 11, and the lower end of the metal net body 7 is located less than one meter at the bottom of the karst cave 11, which is more beneficial to ensuring the effectiveness of the metal net body 7 in blocking concrete. Meanwhile, the upper portion and the lower portion of the metal net body 7 are subjected to the pressure of the inner wall of the sleeve, so that the metal net body 7 is not prone to being separated from the cage main body due to the pressure of the concrete in the 11 sections of the karst cave, and the whole structure is more stable.
A plurality of reinforcing rings 10 are arranged outside the dense mesh net sleeve 8 at intervals, and the reinforcing rings 10 surround the periphery of the dense mesh net sleeve 8 to fixedly connect the dense mesh net sleeve 8 with the metal mesh body 7 and the cage body 1. The reinforcing ring 10 is arranged to fix the dense mesh net sleeve 8 and reinforce the cage body 1 and the metal mesh body 7, so that the strength of the metal mesh body 7 and the cage body 1 is further improved, and the overall strength of the reinforcement cage is further improved.
Wherein, the surface of the metal net body 7 is provided with a zinc coating. The zinc coating can improve the corrosion resistance, safety and durability of the metal net body 7, improve the quality of the cast-in-place pile and prolong the service life of the pile body.
Wherein the mesh density of the dense mesh net sleeve 8 is 1900 meshes/100 cm22100 mesh/100 cm2Preferably 2000 mesh/100 cm2. The dense mesh net sleeve 8 is a high-density polyethylene net. The high-density polyethylene net has the advantages of high toughness, good elasticity, high corrosion resistance and the like, and is more favorable for preventing materials with fine particle diameters such as cement mortar and sand from diffusing to the outer layer of the cage main body by controlling the mesh density of the dense mesh net sleeve 8, and is favorable for avoiding concrete segregation.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. The utility model provides a steel reinforcement cage with prevent floating cage function which characterized in that: the anti-floating cage comprises a plurality of cage bodies which are sequentially connected end to end, wherein an anti-floating frame is arranged at the bottom of the cage body at the lowermost layer, the anti-floating frame comprises a plurality of first anti-floating rods and a plurality of second anti-floating rods which are staggered with the first anti-floating rods, and the two ends of the first anti-floating rods and the two ends of the second anti-floating rods are fixedly connected with the bottom of the cage body at the lowermost layer; every the cage body periphery is equipped with a plurality of circular shape and prevents floating the cushion, works as when the cage body is gone into the sleeve pipe in, it is a plurality of prevent floating the cushion and keep away from one side butt sleeve pipe inner wall of the cage body and make the axis of the cage body and the coincidence of sheathed tube axis.
2. The reinforcement cage with the anti-floating cage function as claimed in claim 1, wherein: the cage body includes main muscle cage and encircles a plurality of go-between that set up along main muscle cage periphery, and is a plurality of the go-between sets up along main muscle cage length direction interval, go-between and main muscle cage fixed connection, prevent floating the cushion and rotate and locate on the go-between.
3. The reinforcement cage with the anti-floating cage function as claimed in claim 2, wherein: each cage body is provided with three connecting rings, each connecting ring is provided with an anti-floating cushion block, and the horizontal distance between the anti-floating cushion blocks is equal.
4. The reinforcement cage with the anti-floating cage function as claimed in claim 1, wherein: the anti-floating cushion block is a concrete anti-floating cushion block.
5. The reinforcement cage with the anti-floating cage function as claimed in claim 1, wherein: the cage body still includes along a plurality of stirrups that main muscle cage periphery encircleed the setting, and is a plurality of the stirrup sets up along the length direction interval of main muscle cage, stirrup and main muscle cage fixed connection.
6. The reinforcement cage with the anti-floating cage function as claimed in claim 3, wherein: it is a plurality of the cage body constitutes the cage main part, the cage main part periphery is encircleed and is used for blockking the metal wire netting body of concrete coarse grained rubble to the outside diffusion of cage main part, the metal wire netting body is equipped with the close mesh screen cloth that is used for blockking the cement mortar sand to the outside diffusion of cage main part outward, the bottom of close mesh screen cloth seals the setting, the close mesh screen cloth is located to the bottom quilt cover of cage main part, one side of anti-floating cushion runs through the metal wire netting body and close mesh screen cloth is located close mesh screen cloth outside.
7. The reinforcement cage with the anti-floating cage function as claimed in claim 6, wherein: the cage main part includes a plurality of sections leak protection sections, works as when the stake is downthehole under the cage main part, the upper end of leak protection section is located the solution cavity top more than one meter, the lower extreme of leak protection section is located solution cavity bottom less than one meter, the upper and lower end of metal mesh body aligns with the upper and lower end of leak protection section respectively, the solution cavity one-to-one that a plurality of leak protection section and stake hole of cage main part passed.
8. The reinforcement cage with the anti-floating cage function as claimed in claim 6, wherein: and a plurality of reinforcing rings are arranged outside the dense mesh net at intervals, and the reinforcing rings surround the periphery of the dense mesh net to fixedly connect the dense mesh net with the metal mesh body and the cage body.
9. The reinforcement cage with the anti-floating cage function as claimed in claim 6, wherein: and a zinc coating is arranged on the surface of the metal net body.
10. The reinforcement cage with the anti-floating cage function as claimed in claim 6, wherein: the mesh density of the dense mesh net cover is 1900 meshes/100 cm22100 mesh/100 cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847524.5U CN212641438U (en) | 2020-05-18 | 2020-05-18 | Steel reinforcement cage with prevent floating cage function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847524.5U CN212641438U (en) | 2020-05-18 | 2020-05-18 | Steel reinforcement cage with prevent floating cage function |
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| CN212641438U true CN212641438U (en) | 2021-03-02 |
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| CN202020847524.5U Active CN212641438U (en) | 2020-05-18 | 2020-05-18 | Steel reinforcement cage with prevent floating cage function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356190A (en) * | 2021-05-08 | 2021-09-07 | 深圳市工勘岩土集团有限公司 | Pile forming method for cast-in-place pile in karst development area |
-
2020
- 2020-05-18 CN CN202020847524.5U patent/CN212641438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356190A (en) * | 2021-05-08 | 2021-09-07 | 深圳市工勘岩土集团有限公司 | Pile forming method for cast-in-place pile in karst development area |
| CN113356190B (en) * | 2021-05-08 | 2022-11-18 | 深圳市工勘岩土集团有限公司 | Pile forming method for cast-in-place pile in karst development area |
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