CN212375888U - Steel hanging box plugging device - Google Patents
Steel hanging box plugging device Download PDFInfo
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- CN212375888U CN212375888U CN202020451632.0U CN202020451632U CN212375888U CN 212375888 U CN212375888 U CN 212375888U CN 202020451632 U CN202020451632 U CN 202020451632U CN 212375888 U CN212375888 U CN 212375888U
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- plugging
- capsule
- steel
- plugging device
- shutoff
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Abstract
The utility model relates to a steel hanging box plugging device. The steel hanging box plugging device comprises a steel pile casing, a bottom plate, a circumferential ring beam and a plugging device, wherein the circumferential ring beam is arranged on the inner side of the bottom plate and forms a pile casing hole site, the steel pile casing penetrates through the pile casing hole site to form a gap with the circumferential ring beam, the plugging device is arranged in the gap and comprises a plugging capsule and a plugging concrete layer, the plugging capsule is arranged at the lower part of the gap and forms a filling cavity by matching with the circumferential ring beam and the steel pile casing, and the plugging concrete layer is poured in the filling cavity and is matched with the plugging capsule to plug the gap; the plugging capsule comprises a capsule shell and a mortar filling body filled in the capsule shell. The utility model discloses in, carry out the shutoff in clearance by the plugging device of shutoff capsule and shutoff concrete layer combination, effectively resist the buoyancy effect of shutoff gasbag, and what pour into in the shutoff capsule is the mortar, have characteristics such as easy flow, solidify, prevent effectively that the shutoff capsule from breaking, gas leakage and leak phenomenons such as, guaranteed the shutoff effect.
Description
Technical Field
The utility model relates to a steel hanging box installation technical field, more specifically say, relate to a steel hanging box plugging device.
Background
In the construction of a bearing platform of an underwater bridge engineering, a steel suspension box cofferdam is frequently used, and the common plugging mode at present comprises that an air bag filled with air or water is adopted to plug the gap between a steel suspension box bottom plate and a steel protection cylinder, the air bag filled with air or water is lighter, and is easy to slide under the action of buoyancy, and meanwhile, the air bag is easy to leak air or water in collision, so that the plugging effect is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned gasbag of prior art produce easily slide, leak gas or leak water phenomenon, lead to the defect that the shutoff effect is poor, provide a steel hanging box plugging device.
The utility model provides a technical scheme that its technical problem adopted is: the steel hanging box plugging device comprises a steel protective cylinder, a penetrating bottom plate, a circumferential ring beam and a plugging device, wherein the circumferential ring beam is arranged on the inner side of the bottom plate and forms a protective cylinder hole site, the steel protective cylinder penetrates through the protective cylinder hole site and forms a gap between the circumferential ring beam, and the plugging device is arranged in the gap to plug the gap, and is characterized in that:
the plugging device comprises a plugging capsule and a plugging concrete layer, the plugging capsule is arranged at the lower part of the gap and is matched with the inner wall surface of the annular ring beam and the outer wall surface of the steel casing to form a filling cavity, the plugging concrete layer is poured in the filling cavity and is matched with the plugging capsule to plug the gap; the plugging capsule comprises a capsule shell and a mortar filling body filled in the capsule shell.
Preferably, the circumferential ring beam protrudes from the lower position of the circumferential ring beam in the direction of the steel casing to form a bearing part, and the plugging capsule is arranged between the bearing part and the steel casing so as to form the bottom of the filling cavity by matching with the bearing part.
Preferably, the bearing part is provided with a groove with an opening facing the steel casing direction, and the bearing part is sleeved on the periphery of the plugging capsule through the groove to fix the plugging capsule.
Preferably, the groove is arranged in a U-shaped structure so as to be matched with the shape of the plugging capsule.
Preferably, the capsule shell is an annular membrane bag, and the inner diameter of the capsule shell is consistent with the outer diameter of the steel casing.
Preferably, the capsule shell is provided with a grouting port and a slurry outlet, and the grouting port and the slurry outlet are respectively connected with an external mortar conveying and recovering device through a grouting pipe and a slurry outlet pipe.
Preferably, the grouting pipe comprises a capsule shell end grouting pipe and an external device end grouting pipe, the grout outlet pipe comprises a capsule shell end grout outlet pipe and an external device end grout outlet pipe, and the capsule shell end grouting pipe and the capsule shell end grout outlet pipe are detachably connected with the external device end grouting pipe and the external device end grout outlet pipe through connector assemblies respectively.
Preferably, the mud jacking pipe and the mud discharging pipe are PVC pipes.
Preferably, the plugging concrete layer is a micro-expansion underwater non-segregation concrete layer.
Preferably, the mortar filling body is a quick-setting mortar filling body.
Implement the utility model discloses a steel sheet pile cofferdam wall body has following beneficial effect:
the plugging device combined by the plugging capsule and the plugging concrete layer is used for plugging the gap between the bottom plate and the steel casing, the buoyancy effect of the plugging air bag is effectively resisted, mortar is injected into the plugging capsule, the plugging capsule has the characteristics of easy flowing, solidification and the like, the phenomena of cracking, air leakage, water leakage and the like of the plugging capsule are effectively prevented, and the plugging effect is ensured.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic view of a connection between a bottom plate and a circumferential ring beam of an embodiment of the steel suspension box plugging device of the present invention;
FIG. 2 is a cross-sectional view taken along line C-C of FIG. 1;
fig. 3 is a schematic structural diagram of an embodiment of the steel suspension box plugging device of the present invention;
FIG. 4 is a partial enlarged view of the area B in FIG. 3;
fig. 5 is a cross-sectional view a-a shown in fig. 3.
In the attached drawing, 1, a steel casing, 2, a bottom plate, 3, a circumferential ring beam, 31, a bearing part, 311, a groove, 4, a plugging device, 41, a plugging capsule, 411, a capsule shell, 4111, a grouting port, 4112, a grout outlet, 412, a mortar filling body, 42, a concrete layer, 5, a grouting pipe, 6, a grout outlet pipe and 7, casing hole sites are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, in conjunction with the examples and the accompanying drawings, is intended to illustrate the present invention in further detail, and the exemplary embodiments and the description thereof are only used for explaining the present invention, and are not intended to limit the present invention.
As shown in fig. 3, be an embodiment of the utility model discloses a steel hanging box plugging device, this steel hanging box plugging device include that the steel protects a 1, the bottom plate 2, the hoop girt 3 and the plugging device 4 that run through, and hoop girt 3 sets up and protects a hole site 7 at 2 inboards of bottom plate and formation, and a steel protects a 1 and passes and protects a hole site 7, and hoop girt 3 between form a clearance, and plugging device 4 sets up in the clearance with this clearance of shutoff.
Specifically, the ring beam 3 and the bottom plate 2 are connected as shown in fig. 1 and fig. 2, the inner side of the bottom plate 2 is through to form a through hole for arranging the ring beam 3, the ring beam 3 is of an annular structure and is embedded in the through hole at the inner side of the bottom plate 2, so that the inner side of the ring beam 3 serves as a pile casing hole position 7 for the steel pile casing 1 to pass through. Wherein, its bottom of hoop gird 3 is flushed with the bottom of bottom plate 2, and its top upwards extends in the thickness direction, makes its thickness be greater than the thickness of bottom plate 2 to strengthen the bulk rigidity of bottom plate 2.
After the steel casing 1 penetrates through the casing hole position 7, a gap is formed between the steel casing 1 and the annular ring beam 3, and the plugging device 4 is arranged in the gap to plug the gap. Wherein the plugging device 4 comprises a plugging capsule 41 and a plugging concrete layer 42. Specifically, the inner diameter of the plugging bladder 41 is equal to the outer diameter of the steel casing 1, and the plugging bladder 41 is disposed in the gap and abuts against the inner wall surface of the annular ring beam 3 and the outer wall surface of the steel casing 1 to plug the gap.
As shown in fig. 4, the plugging capsule 41 includes a capsule shell 411 and a mortar filling body 412 filled in the capsule shell 411, wherein the capsule shell 411 may be an annular film bag with an inner diameter consistent with an outer diameter of the steel casing 1, and the mortar filling body 412 may be filled with rapid-setting mortar in the prior art or with mortar of different mixing ratios according to requirements.
It can be understood that, in the prior art, the material filled in the capsule shell 411 is water or air, and the air bag is prone to leakage during collision, in this embodiment, the material filled in the capsule shell 411 is mortar, by utilizing the fluidity of the mortar, the whole plugging capsule 41 is filled in the process of filling the mortar, and the mortar is solidified within a certain time, so that the plugging capsule 41 becomes a solid whole, and the air bag is effectively prevented from leakage during collision.
The plugging capsule 41 is arranged in the gap and is abutted against the inner wall surface of the annular ring beam 3 and the outer wall surface of the steel casing 1, and the plugging capsule 41, the inner wall surface of the annular ring beam 3 and the outer wall surface of the steel casing 1 form a filling cavity in a surrounding mode. By pouring the plugging concrete layer 42 in the filling cavity, that is, the plugging concrete layer 42 covers the upper surface of the plugging capsule 41, the plugging capsule 41 and the plugging concrete layer 42 are combined into a whole of the plugging device 4, and the function of resisting the buoyancy of the plugging capsule 41 is achieved. It will be appreciated that the plugging concrete layer 42 is poured after the mortar filling 412 in the plugging capsule 41 has set. The plugging concrete layer 42 is a micro-expansion underwater non-segregation concrete layer, and micro-expansion underwater non-segregation concrete layers with different mixing ratios can be selected according to requirements in the specific implementation process.
Preferably, the plugging capsule 41 is arranged at the lower position of the gap, and the plugging concrete layer 42 is flush with the upper surface of the circumferential ring beam 3, so that the plugging device 4 fills the whole gap in the longitudinal direction, and the plugging effect is better.
Referring to fig. 2, 4 and 5, the circumferential ring beam 3 protrudes from the lower portion thereof in the direction of the steel casing 1 to form a load-bearing portion 31, and the plugging capsule 41 is disposed between the load-bearing portion 31 and the steel casing 1 to form the bottom of the filling chamber in cooperation with the load-bearing portion 31. It can be understood that the plugging capsule 41 is disposed between the load bearing part 31 and the steel casing 1, and simultaneously abuts against the load bearing part 31 and the steel casing 1, so that the plugging capsule 41 plugs the gap in the lateral direction in cooperation with the load bearing part 31. As can be understood, the load-bearing part 31 and the plugging capsule 41 bear the load of the plugging concrete layer 42, so that the integrity of the plugging capsule 41 and the annular ring beam 3 is enhanced, and the stress of the plugging capsule 41 in the longitudinal direction is reduced.
Furthermore, the bearing part 31 is provided with a groove 311 with an opening facing the steel casing 1, and the bearing part 31 is sleeved on the periphery of the plugging capsule 41 through the groove 311 to fix the plugging capsule 41. Specifically, the bearing portion 31 has a groove 311 between the upper and lower ends thereof, and the direction of the groove 311 faces the direction of the gap for inserting the plugging capsule 41. In other words, the bearing part 31 is sleeved on the periphery of the plugging capsule 41 through the groove 311, so that the integrity of the plugging capsule 41 and the bearing part 31 is enhanced, meanwhile, the position of the plugging capsule 41 is limited, and the plugging capsule 41 is prevented from sliding under the action of buoyancy. Preferably, the depth of the groove 311 is greater than the lateral distance between the bearing part 31 and the steel casing 1, so that the fixing effect on the plugging capsule 41 is better.
Further, the groove 311 is provided in a U-shaped configuration to match the shape of the plugging capsule 41. It can be understood that the plugging capsule 41 can be completely attached to the inner wall of the groove 311 after being filled, so that no gap exists between the plugging capsule 41 and the groove 311, and the plugging capsule 41 does not need to be matched with the groove 311 through deformation, so that the service life of the plugging capsule 41 is prolonged while the plugging effect is better.
It can be understood that the plugging capsule 41 comprises a fixing portion disposed in the recess 311 and a filling portion disposed outside the recess 311, wherein two ends of the filling portion extend towards two ends of the gap, so that the height of the filling portion is greater than that of the fixing portion, the longitudinal filling space of the plugging capsule 41 in the gap is increased, the load-bearing effect is better, and the material consumption of the plugging concrete layer 42 is saved. Preferably, the extension of the bottom end of the filling portion does not exceed the bottom position of the weight-bearing portion 31, so as to reduce the lateral force of the plugging capsule 41.
Wherein, the casing of shutoff capsule 41 can adopt annular membrane bag, and this membrane bag is equipped with injection mouth 4111, grout outlet 4112, and injection mouth 4111, grout outlet 4112 are connected with outside mortar transport and recovery unit through mud jacking pipe 5, grout outlet pipe 6 respectively. It should be understood that the mortar conveying and recycling device may be an integrated device or a separate device, the grouting port 4111 and the slurry outlet port 4112 of the membrane bag may be connected with the grouting pipe 5 and the slurry outlet pipe 6 through a galvanized pipe and a bolt, and the grouting pipe 5 and the slurry outlet pipe 6 are connected with an external mortar conveying and recycling device through a connection method in the prior art, which is well known to those skilled in the art, and common knowledge is not described in detail herein. Wherein, the mud jacking pipe 5 and the mud discharging pipe 6 can adopt PVC pipes.
Further, in order to facilitate the connection and the removal of the mud jacking pipe 5 and the mud outlet pipe 6 with an external mortar conveying and recovering device, the mud jacking pipe 5 comprises a capsule shell end mud jacking pipe and an external device end mud jacking pipe, the mud outlet pipe 6 comprises a capsule shell end mud outlet pipe and an external device end mud outlet pipe, and the capsule shell end mud jacking pipe and the capsule shell end mud outlet pipe are detachably connected with the external device end mud jacking pipe and the external device end mud outlet pipe through connecting head assemblies respectively, which are not shown in the figure.
In some embodiments, the connecting ends of the capsule shell end grouting pipe, the capsule shell end slurry outlet pipe, the external device end grouting pipe and the external device end slurry outlet pipe are provided with internal threads, and the connecting head assembly can adopt PVC (polyvinyl chloride) screw connectors with corresponding sizes, so that the connection and the removal of the grouting pipe 5 and the slurry outlet pipe 6 can be realized. Preferably, the grouting pipe at the capsule shell end and the grout outlet pipe at the capsule shell end extend from the grouting port 4111 and the grout outlet port 4112 to be flush with the top of the transverse ring beam, so as to meet the construction requirements.
The utility model discloses in, the plugging in clearance between bottom plate and the steel casing is carried out to the plugging device that adopts by the combination of shutoff capsule and shutoff concrete layer, effectively resists the buoyancy effect of shutoff gasbag, and what pour into in this shutoff capsule is the mortar, has characteristics such as easy flow, solidification, effectively prevents phenomenons such as shutoff capsule fracture, gas leakage leak, has guaranteed the shutoff effect.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The utility model provides a steel hanging box plugging device, includes that steel protects a section of thick bamboo (1), bottom plate (2), the hoop girt (3) and plugging device (4) that run through, hoop girt (3) set up bottom plate (2) are inboard and form and protect a section of thick bamboo hole site (7), a section of thick bamboo (1) is protected to the steel passes protect a section of thick bamboo hole site (7), with form a clearance between hoop girt (3), plugging device (4) set up in the clearance with the shutoff clearance, its characterized in that:
the plugging device (4) comprises a plugging capsule (41) and a plugging concrete layer (42), the plugging capsule (41) is arranged at the lower part of the gap and is matched with the inner wall surface of the annular ring beam (3) and the outer wall surface of the steel casing (1) to form a filling cavity, the plugging concrete layer (42) is poured in the filling cavity and is matched with the plugging capsule (41) to plug the gap; wherein the plugging capsule (41) comprises a capsule shell (411) and a mortar filling body (412) filled in the capsule shell (411).
2. The steel suspension box plugging device of claim 1, wherein:
the annular ring beam (3) protrudes towards the steel casing (1) at the lower part to form a bearing part (31), and the plugging capsule (41) is arranged between the bearing part (31) and the steel casing (1) to match with the bearing part (31) to form the bottom of the filling cavity.
3. The steel suspension box plugging device of claim 2, wherein:
be equipped with on bearing portion (31) opening orientation recess (311) of steel casing (1) direction, bearing portion (31) pass through recess (311) cover is established on the periphery of shutoff capsule (41), in order to fix shutoff capsule (41).
4. The steel suspension box plugging device of claim 3, wherein:
the groove (311) is arranged in a U-shaped structure to be matched with the shape of the plugging capsule (41).
5. The steel suspension box plugging device of claim 1, wherein:
the capsule shell (411) is an annular membrane bag, and the inner diameter of the capsule shell is consistent with the outer diameter of the steel casing (1).
6. The steel suspension box plugging device of claim 5, wherein:
the capsule shell (411) is provided with a grouting port (4111) and a slurry outlet (4112), wherein the grouting port (4111) and the slurry outlet (4112) are respectively connected with an external mortar conveying and recycling device through a grouting pipe (5) and a slurry outlet pipe (6).
7. The steel suspension box plugging device of claim 6, wherein:
the grouting pipe (5) comprises a capsule shell end grouting pipe and an external device end grouting pipe, the grout outlet pipe (6) comprises a capsule shell end grout outlet pipe and an external device end grout outlet pipe, and the capsule shell end grouting pipe and the capsule shell end grout outlet pipe are detachably connected with the external device end grouting pipe and the external device end grout outlet pipe through connector assemblies respectively.
8. The steel suspension box plugging device of claim 6, wherein:
the mud jacking pipe (5) and the mud discharging pipe (6) are PVC pipes.
9. The steel suspension box plugging device of claim 1, wherein:
the plugging concrete layer (42) is a micro-expansion underwater non-segregation concrete layer.
10. The steel suspension box plugging device of claim 1, wherein:
the mortar filling body (412) is a quick-setting mortar filling body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020451632.0U CN212375888U (en) | 2020-03-31 | 2020-03-31 | Steel hanging box plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020451632.0U CN212375888U (en) | 2020-03-31 | 2020-03-31 | Steel hanging box plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212375888U true CN212375888U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020451632.0U Active CN212375888U (en) | 2020-03-31 | 2020-03-31 | Steel hanging box plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212375888U (en) |
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2020
- 2020-03-31 CN CN202020451632.0U patent/CN212375888U/en active Active
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