CN114182957A - Device for blocking stubbles of high-low grade concrete air bags of beam column sections and construction method thereof - Google Patents
Device for blocking stubbles of high-low grade concrete air bags of beam column sections and construction method thereof Download PDFInfo
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- CN114182957A CN114182957A CN202111644714.2A CN202111644714A CN114182957A CN 114182957 A CN114182957 A CN 114182957A CN 202111644714 A CN202111644714 A CN 202111644714A CN 114182957 A CN114182957 A CN 114182957A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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Abstract
The invention discloses a device for blocking stubbles of high-low grade concrete air bags of beam-column joints and a construction method thereof. According to the invention, after the air release pipe is inserted into the inner side of the top of the reserved end, the downward pressing plug at the bottom pushes the plugging piece at the inner side of the reserved end downwards, so that the airflow in the stubble blocking air bag is released through the air hole, and after the clamping beads are tightly clamped in the fastening grooves b, the air release plug-in unit always extrudes the plugging piece at the bottom to keep an air release state, and the arrangement of the quick connection end for air inflation is matched, so that the stubble blocking construction efficiency of the concrete air bag can be greatly improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a device for blocking stubbles of high-low grade concrete air bags of beam column sections and a construction method thereof.
Background
Different intensity grade concrete placement need set up in building engineering and block the stubble, but traditional stubble instrument of blocking is mostly the combination reinforcing bar support body, and the installation is very loaded down with trivial details and inefficiency, and the construction quality who blocks the stubble moreover is difficult to guarantee, and when blocking the setting of stubble wire netting and not good, will cause the waste of high-grade concrete to increase construction cost, also influence construction quality. Based on the above description, the concrete complete isolation of different strength grades in the beam-column node core area gradually becomes the technical bottleneck of cost control and quality improvement, a new process is urgently needed for field construction, a beam-column node concrete isolation device which is simple and convenient to operate and efficient is found and applied to the large-area construction process, so that the problem that in the prior art, the isolation device has quality risks or cannot be recycled is solved, and the problem that the one-time investment cost is high is solved. Therefore, the high-low grade concrete stubble blocking air bags are produced at the same time.
In the prior art, for example, Chinese patent numbers are: CN 109610821A 'a beam column node non-equal strength concrete construction isolation gasbag and construction method thereof', the top of the gasbag body is connected with an air inlet and outlet hole. The construction method of the beam column node unequal strength concrete construction isolation airbag comprises the following steps: firstly, evacuating the gas in the isolation air bag before use; synchronously placing an isolation air bag and a binding steel wire mesh when binding reinforcing steel bars and erecting templates; binding structural reinforcing bars simultaneously, placing a steel wire mesh on the bottom layer structural reinforcing bars, and placing cushion blocks for fixing air bags at the bottoms of the bottom layer structural reinforcing bars; fourthly, after the template installation and the steel bar binding are finished, the isolation air bag is inflated before column concrete pouring; and fifthly, after the beam concrete is poured and before the concrete is initially set, exhausting the air in the air bag and extracting the air bag to finish the concrete vibration work at the node.
However, in the prior art, after the isolation airbags are filled into the building structure, the isolation airbags need to be inflated one by one before concrete is poured, due to the shielding effect of steel bar binding and template building, the problem that the inflation ports of the isolation airbags which are not inflated and are shriveled are difficult to be aligned to the external inflation pipes to inflate during the building interval, and the ports of the isolation airbags are easy to fall off during inflation or deflation is caused, so that field constructors need to repeatedly inflate for many times, or each isolation airbag is communicated with one inflation pipe before being filled, but in the inflation and deflation mode, a great number of inflation hoses need to be erected on the field, the time consumed by stubble blocking construction of the concrete airbags is prolonged, and the construction efficiency is reduced.
Therefore, the device for blocking stubbles of the high-low grade concrete air bags of the beam-column sections and the construction method thereof are provided so as to solve the problems.
Disclosure of Invention
The invention aims to provide a device for blocking stubbles of high-low grade concrete air bags of beam-column joints and a construction method thereof, aiming at solving the problems that after the isolation air bags proposed by the background technology are filled into a building structure, the isolation air bags need to be inflated one by one before the concrete is poured, and due to the shielding effect of steel bar binding and template building, the isolation air bags which are not inflated but shriveled are in the building interval, the inflation ports of the isolation air bags are difficult to be aligned by external inflation pipes for inflation, and the ports are easy to fall off during inflation or deflation, so that field constructors need to repeatedly inflate for many times, or each isolation air bag is communicated with one inflation pipe before being filled, but the inflation and deflation modes need to build a great number of inflation hoses on the field, thereby prolonging the time consumption of stubbles blocking construction of the concrete air bags and reducing the construction efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a device that high low grade concrete gasbag of beam column festival blocked stubble, is including blocking stubble gasbag, gasbag connection end, inflatable tip, bi-polar screwed pipe, gas tube and gassing plug-in components, the top of blocking the stubble gasbag is passed through gasbag connection end and is inflated the bottom threaded mounting of end, the inflatable tip is including reserving end and meet the end soon, the bottom of reserving the end and the top threaded connection of gasbag connection end, and the top of reserving the end and the bottom movable mounting who meets the end soon, the top of meeting the end and the top threaded connection of bi-polar screwed pipe soon, and the top of bi-polar screwed pipe and the bottom threaded connection of gas tube, the bottom of gassing plug-in components and the top movable mounting who reserves the end, and the gassing plug-in components only need be used in blocking the stubble gasbag and replace the quick-connection end when taking in gassing, it includes pipe fitting an to reserve the end, the inboard movable mounting of pipe fitting an has joint spare, and the inboard movable mounting of joint spare has reset spring, reset spring's top movable mounting has the shutoff piece, the extrusion groove has been seted up in the top outside of pipe fitting an, and the inboard movable mounting in extrusion groove has extrusion spring, the stop collar has been cup jointed in the outside activity of extrusion spring, the inside activity of a plurality of has evenly been seted up at pipe fitting a's top and has been provided with the bell mouth that blocks the pearl.
Preferably, the stubble blocking air bag comprises an outer layer air bag, an inner layer air bag and an adhesive tape, the inner side of the outer layer air bag is fixedly connected with the outer side of the inner layer air bag through the adhesive tape, and the inner side of the adhesive tape is provided with a through hole a in a penetrating mode.
Preferably, the gasbag connecting end includes interior pole, the bottom outside fixed mounting of interior pole has card a, and the bottom of interior pole is linked together with the top of inlayer gasbag, evenly run through the bottom of interior pole and seted up a plurality of through-holes b, and the outside of every through-hole b all is linked together with the top of outer gasbag.
Preferably, the top outside fixed mounting of interior pole has card b, the top of card b and the inboard activity joint in top of outer gasbag, the top of card a and the inboard fixed joint in top of inlayer gasbag.
Preferably, the quick-connecting end comprises an insertion pipe, a fastening groove a is formed in the outer side of the bottom of the insertion pipe, a threaded groove is formed in the inner side of the top of the insertion pipe, the outer side of the fastening groove a is movably clamped with the inner side of a clamping bead, and the inner side of the threaded groove is in threaded connection with the bottom of a double-end threaded pipe.
Preferably, the bottom of the double-end threaded pipe is fixedly sleeved with a sealing ring, and the bottom of the sealing ring is movably mounted with the inner side of the top of the insertion pipe.
Preferably, the deflation plug-in comprises an air release pipe, an anti-slip sleeve is sleeved on the outer side of the top of the air release pipe, a pressing plug is welded at the bottom of the air release pipe, and a plurality of air holes are uniformly formed in the bottom of the plugging piece in a penetrating mode.
Preferably, the bottom outside of the air release pipe is provided with a fastening groove b, and the outside of the fastening groove b is movably clamped with the inner side of the clamping bead.
A construction method of a device for blocking stubbles of high-low grade concrete air bags of beam-column sections comprises the following steps:
s1, before landfill installation, the air in the stubble blocking air bag is exhausted by using the air discharging plug-in piece, so that the stubble blocking air bag keeps a dry-flat state;
s2, synchronously placing the stubble blocking air bags and the bound steel wire meshes when steel bars are bound and templates are erected;
s3, binding structural reinforcing bars, placing a steel wire mesh on the bottom layer structural reinforcing bars, and binding reinforcing bars for fixing the stubble blocking air bags at the bottoms of the bottom layer structural reinforcing bars;
s4, after the binding is finished, using an external inflation device to inflate the preset stubble blocking air bag for landfill;
and S5, after the beam concrete is poured and before the concrete is initially set, exhausting the air in the stubble blocking air bags by using the air discharging plug-in units again, and extracting the dry stubble blocking air bags from the concrete to finish the concrete stubble blocking work at the joints.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the stubble blocking air bag, due to the arrangement of the inflation end, when the stubble blocking air bag is inflated, the quick limiting installation of the quick connection end is realized through the matching of the clamping beads, the limiting sleeve and the return spring, so that the quick connection end communicated with the inflation pipe can be quickly communicated with the inflation end and is installed in a limiting way, the quick connection end and the inflation end are kept in tight connection when the stubble blocking air bag is inflated, and the phenomenon that the inflation pipe falls off in the inflation process is avoided;
2. according to the invention, through the arrangement of the inflation end, when the inflation tube inflates gas into the pipe fitting a, the blocking piece is pushed downwards under the action of air pressure to extrude the return spring, so that the airflow channel at the top of the blocking piece is opened, the stubble blocking airbag at the bottom is inflated, after inflation is finished, the continuous air flow introduction is stopped, the blocking piece is jacked up under the action of the upward air pressure at the bottom and the elasticity of the return spring to block the airflow channel at the top, and airflow leakage is prevented;
3. according to the invention, through the arrangement of the inflatable end, after the air exhaust pipe is inserted into the inner side of the top of the reserved end, the downward pressing plug at the bottom pushes the plugging piece at the inner side of the reserved end downwards, so that the airflow in the stubble blocking air bag is exhausted through the air hole, after the clamping beads are clamped and fastened in the fastening groove b, the air exhaust plug-in unit always extrudes the plugging piece at the bottom, the air exhaust state is kept, and the stubble blocking construction efficiency of the concrete air bag can be greatly improved by matching with the arrangement of the quick connection end for inflation.
Drawings
FIG. 1 is a perspective view of a device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to the invention;
FIG. 2 is a schematic structural view of a partial section of a device for blocking stubbles of a high-low grade concrete air bag of a beam-column section according to the invention;
FIG. 3 is a schematic view of a top part of a device for blocking stubbles of a high-low grade concrete air bag of a beam-column section in a partial cross-sectional structure;
FIG. 4 is a structural perspective view of the top of the device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to the invention;
FIG. 5 is a schematic structural view of a reserved end of the device for blocking stubbles of the high-low grade concrete air bags of the beam column sections;
FIG. 6 is a schematic structural view of a quick connection end of the device for blocking stubbles of a beam-column section high-low grade concrete air bag of the invention;
FIG. 7 is a schematic cross-sectional view of the top of the device for stopping stubbles of a high-low grade concrete air bag of a beam-column section according to the invention;
FIG. 8 is a schematic view of the use of the air-bleeding plug of the device for blocking stubbles of the high-low grade concrete air bags of the beam-column section of the invention;
fig. 9 is an enlarged schematic view of a portion a of fig. 8.
In the figure:
1. a stubble blocking air bag; 2. the air bag is connected with the end; 3. an inflation end; 4. a double-ended threaded pipe; 5. an inflation tube; 6. a deflation plug-in; 30. reserving a tip; 31. quickly connecting an end socket; 301. a pipe fitting a; 302. a clamping piece; 303. a return spring; 304. a blocking member; 305. extruding a groove; 309. a compression spring; 306. a limiting sleeve; 307. a tapered hole; 308. clamping the beads; 10. an outer air bag; 11. an inner air bag; 12. an adhesive tape; 13. a through hole a; 20. an inner rod; 22. a card a; 21. a through hole b; 23. a card b; 310. inserting a tube; 312. a fastening groove a; 311. a thread groove; 40. a seal ring; 60. discharging the air pipe; 7. an anti-slip sleeve; 62. pressing down the plug; 3041. air holes; 61. and (b) fastening grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a device for blocking stubbles of a high-low grade concrete air bag of a beam column section comprises a stubbles blocking air bag 1, an air bag connecting end 2, an inflating end 3, a double-end threaded pipe 4, an inflating pipe 5 and an air discharging plug-in 6, wherein the top of the stubbles blocking air bag 1 is fixedly installed with the bottom of the air bag connecting end 2, the top of the air bag connecting end 2 is installed with the bottom of the inflating end 3 through threads, the inflating end 3 comprises a reserved end 30 and a quick connecting end 31, the bottom of the reserved end 30 is connected with the top of the air bag connecting end 2 through threads, the top of the reserved end 30 is movably installed with the bottom of the quick connecting end 31, the top of the quick connecting end 31 is connected with the top of the double-end threaded pipe 4 through threads, the top of the double-end threaded pipe 4 is connected with the bottom of the inflating pipe 5 through threads, the bottom of the air discharging plug-in 6 is movably installed with the top of the reserved end 30, and the air discharging plug-in 6 is only used for replacing the quick connecting end 31 when the stubbles blocking air bag 1 needs to be discharged and stored, the reserved end 30 comprises a pipe fitting a301, a clamping piece 302 is movably mounted on the inner side of the pipe fitting a301, a return spring 303 is movably mounted on the inner side of the clamping piece 302, a plugging piece 304 is movably mounted on the top of the return spring 303, an extrusion groove 305 is formed in the outer side of the top of the pipe fitting a301, an extrusion spring 309 is movably mounted on the inner side of the extrusion groove 305, a limiting sleeve 306 is movably sleeved on the outer side of the extrusion spring 309, a plurality of tapered holes 307 are uniformly formed in the top of the pipe fitting a301, a clamping bead 308 is movably mounted on the inner side of each tapered hole 307, the air bag connecting end 2 is communicated and fixedly mounted with the stubble blocking air bag 1, the reserved end 30 of the inflatable end 3 is in threaded connection with the top of the air bag connecting end 2 and is communicated, the stubble blocking air bag 1 is placed in a pre-buried position, the top of the quick connecting end 31 of the inflatable end 3 is communicated and mounted with the bottom of the inflatable tube 5 through a double-end threaded tube 4, when the stubble blocking air bag 1 needs to be inflated, firstly the reserved end 30 at the top of the stubble blocking air bag 1 is taken out, after the stop collar 306 at the top of the pipe fitting a301 is pulled downwards, the pressing spring 309 is compressed downwards, then the quick-connect end 31 is inserted into the inner side of the top of the pipe fitting a301, the outside of the quick-connect end 31 pushes the clamping bead 308 towards the inner side of the tapered hole 307, after the stop collar 306 is loosened, the stop collar 306 is pushed towards the top due to the elastic deformation of the extrusion spring 309, so that the clamping bead 308 is pushed out of the tapered hole 307 until the clamping bead is clamped at the outer side of the quick-connection end 31, so as to quickly limit and install the quick connection end 31, so that the quick connection end 31 communicated with the inflation tube 5 can be quickly communicated with the inflation end 3 and limited and installed, and through the clamping and limiting action of the clamping balls 308, the fast connecting end 31 and the inflating end 3 can be kept to be tightly connected when the stubble blocking air bag 1 is inflated, and the situation that the inflating pipe 5 falls off in the inflating process is avoided.
As shown in figure 2, the stubble blocking air bag 1 comprises an outer layer air bag 10, an inner layer air bag 11 and an adhesive tape 12, wherein the inner side of the outer layer air bag 10 is fixedly connected with the outer side of the inner layer air bag 11 through the adhesive tape 12, the inner side of the adhesive tape 12 is provided with a through hole a13 in a penetrating mode, the stubble blocking air bag 1 of the stubble blocking air bag device is provided with two layers, namely the outer layer air bag 10 and the inner layer air bag 11, and the two layers are connected through the adhesive tape 12, so that the problem that the air bags are extruded or scratched in a building structure to be directly cracked is solved, and the structural strength of the stubble blocking air bag 1 is improved.
As shown in fig. 3 and 4, the airbag connection end 2 includes an inner rod 20, a card a22 is fixedly mounted on the outer side of the bottom of the inner rod 20, the bottom end of the inner rod 20 is communicated with the top of the inner airbag 11, a plurality of through holes b21 are uniformly formed in the bottom of the inner rod 20 in a penetrating manner, the outer side of each through hole b21 is communicated with the top of the outer airbag 10, and the airbag connection end 2 inflates the outer airbag 10 and the inner airbag 11 through the bottom end and the through hole b21 respectively.
As shown in fig. 3, a card b23 is fixedly mounted on the outer side of the top of the inner rod 20, the top of the card b23 is movably clamped with the inner side of the top of the outer layer airbag 10, the top of the card a22 is fixedly clamped with the inner side of the top of the inner layer airbag 11, and the inner rod 20 is fixedly mounted with the outer layer airbag 10 and the inner layer airbag 11 through the card a22 and the card b 23.
As shown in fig. 6, the quick-connection end 31 includes an insertion tube 310, a fastening groove a312 is formed in the outer side of the bottom of the insertion tube 310, a threaded groove 311 is formed in the inner side of the top of the insertion tube 310, the outer side of the fastening groove a312 is movably clamped with the inner side of the clamping bead 308, the inner side of the threaded groove 311 is in threaded connection with the bottom of the double-ended threaded pipe 4, and after the outer side of the fastening groove a312 is clamped with the clamping bead 308, the quick-connection end 31 and the reserved end 30 can be fastened and installed.
As shown in fig. 6, the bottom of the double-ended threaded pipe 4 is fixedly sleeved with the sealing ring 40, and the bottom of the sealing ring 40 is movably mounted with the inside of the top of the insertion pipe 310, so that the sealing ring 40 improves the air tightness between the double-ended threaded pipe 4 and the insertion pipe 310.
As shown in fig. 8 and 9, the air release plug 6 includes an air release pipe 60, the anti-slip cover 7 is sleeved on the outer side of the top of the air release pipe 60, a downward pressing plug 62 is welded at the bottom of the air release pipe 60, a plurality of air holes 3041 are uniformly formed through the bottom of the blocking piece 304, after the air release pipe 60 is inserted into the inner side of the top of the reserved tip 30, the downward pressing plug 62 at the bottom pushes the blocking piece 304 inside the reserved tip 30 downward, so that the air flow in the stubble blocking air bag 1 is released through the air holes 3041.
As shown in fig. 9, a fastening groove b61 is opened on the outer side of the bottom of the air releasing pipe 60, the outer side of the fastening groove b61 is movably clamped with the inner side of the clamping bead 308, and after the clamping bead 308 is clamped in the fastening groove b61, the air releasing plug 6 always extrudes the blocking piece 304 at the bottom to keep the air releasing state.
The use method and the working principle of the device are as follows: the stubble blocking air bag 1 of the device is divided into two layers, namely an outer air bag 10 and an inner air bag 11, and the two layers are connected through an adhesive tape 12, so that the problem that the air bag is extruded or scratched in a building structure to be directly cracked is solved, the structural strength of the stubble blocking air bag 1 is improved, the air bag connecting end 2 and the stubble blocking air bag 1 are communicated and fixedly installed, the reserved end 30 of the inflating end 3 is in threaded connection and communication with the top of the air bag connecting end 2, and after the stubble blocking air bag 1 is placed at a pre-embedded position, the top of the quick connecting end 31 of the inflating end 3 is communicated and installed with the bottom of the inflating pipe 5 through the double-end threaded pipe 4.
When the stubble blocking air bag 1 needs to be inflated, firstly, the reserved end 30 at the top of the stubble blocking air bag 1 is taken out, the limiting sleeve 306 at the top of the pipe fitting a301 is pulled downwards, the extrusion spring 309 is compressed downwards, then the quick-connection end 31 is inserted into the inner side of the top of the pipe fitting a301, the clamping bead 308 is pushed towards the inner side of the tapered hole 307 by the outer side of the quick-connection end 31, after the limiting sleeve 306 is loosened, the limiting sleeve 306 is pushed towards the top due to the elastic deformation recovery of the extrusion spring 309, so that the clamping bead 308 is pushed out of the tapered hole 307 until being clamped at the outer side of the quick-connection end 31, so as to quickly limit and install the quick-connection end 31, so that the quick-connection end 31 communicated with the inflation tube 5 can be quickly communicated with the inflation end 3 and limited and installed, through the clamping limiting action of the clamping beads 308, the quick-connection end 31 and the inflation end 3 can be kept firmly connected when the stubble blocking air bag 1 is inflated, and the situation that the inflation tube 5 falls off in the inflation process is avoided, when the air tube 5 fills air into the tube fitting a301, the blocking piece 304 is pushed downwards under the action of air pressure to extrude the return spring 303, so that the airflow channel at the top of the blocking piece 304 is opened, the blocking air bag 1 at the bottom is inflated, after the inflation is completed, the air flow stops being continuously introduced, the blocking piece 304 is jacked up under the action of the air pressure at the bottom and the elasticity of the return spring 303, the airflow channel at the top of the blocking piece is blocked, and the airflow leakage is prevented.
When the stubble blocking air bag 1 needs to be deflated, after the air exhaust pipe 60 is inserted into the inner side of the top of the reserved end 30, the downward pressing plug 62 at the bottom pushes the blocking piece 304 at the inner side of the reserved end 30 downwards, so that the air flow in the stubble blocking air bag 1 is exhausted through the air hole 3041, and after the clamping bead 308 is tightly clamped in the fastening groove b61, the deflation plug 6 always extrudes the blocking piece 304 at the bottom to keep the deflation state.
A device for blocking stubbles of high-low grade concrete air bags of beam column sections comprises the following steps:
firstly, before landfill installation, the air in the stubble blocking air bag 1 is exhausted by using the air exhaust plug 6, so that the stubble blocking air bag 1 keeps a dry and flat state.
And step two, synchronously placing the stubble blocking air bag 1 and the bound steel wire mesh when binding the steel bars and erecting the template.
And step three, binding structural reinforcement, namely placing the steel wire mesh on the bottom layer structural reinforcement, and binding the steel bars for fixing the stubble blocking air bags 1 at the bottom of the bottom layer structural reinforcement.
And step four, after the binding is finished, using external inflation equipment to inflate the preset stubble blocking air bag 1 for landfill.
And fifthly, after the beam concrete is poured and before the concrete is initially set, exhausting the gas in the stubble blocking air bag 1 by using the air discharging plug-in unit 6 again, and extracting the dry-out stubble blocking air bag 1 from the concrete to finish the stubble blocking work of the concrete at the node.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The device for blocking the stubbles of the high-low grade concrete air bags of the beam column sections is characterized by comprising a stubbles blocking air bag (1), an air bag connecting end (2), an inflating end (3), a double-end threaded pipe (4), an inflating pipe (5) and an air discharging plug-in piece (6), wherein the top of the stubbles blocking air bag (1) is installed with the bottom of the inflating end (3) through the air bag connecting end (2) in a threaded manner, the inflating end (3) comprises a reserved end (30) and a quick connecting end (31), the bottom of the reserved end (30) is in threaded connection with the top of the air bag connecting end (2), the top of the reserved end (30) is movably installed with the bottom of the quick connecting end (31), the top of the quick connecting end (31) is in threaded connection with the top of the double-end threaded pipe (4), and the top of the double-end threaded pipe (4) is in threaded connection with the bottom of the inflating pipe (5), the bottom of gassing plug-in components (6) and the top movable mounting who reserves end (30), reserve end (30) and include pipe fitting a (301), the inboard movable mounting of pipe fitting a (301) has joint spare (302), and the inboard movable mounting of joint spare (302) has reset spring (303), the top movable mounting of reset spring (303) has shutoff piece (304), extrusion groove (305) have been seted up in the top outside of pipe fitting a (301), and the inboard movable mounting of extrusion groove (305) has extrusion spring (309), stop collar (306) have been cup jointed in the outside activity of extrusion spring (309), bell mouth (307) that a plurality of inside activity was provided with card pearl (308) have evenly been seted up at the top of pipe fitting a (301).
2. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 1, is characterized in that: the stubble blocking air bag (1) comprises an outer air bag (10), an inner air bag (11) and an adhesive tape (12), wherein the inner side of the outer air bag (10) is fixedly connected with the outer side of the inner air bag (11) through the adhesive tape (12), and a through hole a (13) is formed in the inner side of the adhesive tape (12) in a penetrating mode.
3. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 2, is characterized in that: end (2) are connected including interior pole (20) to the gasbag, the bottom outside fixed mounting of interior pole (20) has card a (22), and the bottom of interior pole (20) is linked together with the top of inlayer gasbag (11), evenly run through the bottom of interior pole (20) and seted up a plurality of through-holes b (21), and the outside of every through-hole b (21) all is linked together with the top of outer gasbag (10).
4. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 3, is characterized in that: the top outside fixed mounting of interior pole (20) has card b (23), the top of card b (23) and the inboard activity joint in top of outer gasbag (10), the top of card a (22) and the inboard fixed joint in top of inlayer gasbag (11).
5. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 1, is characterized in that: the quick-connecting end (31) comprises an insertion pipe (310), a fastening groove a (312) is formed in the outer side of the bottom of the insertion pipe (310), a threaded groove (311) is formed in the inner side of the top of the insertion pipe (310), the outer side of the fastening groove a (312) is movably clamped with the inner side of a clamping bead (308), and the inner side of the threaded groove (311) is in threaded connection with the bottom of a double-end threaded pipe (4).
6. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 5, is characterized in that: the bottom of the double-end threaded pipe (4) is fixedly sleeved with a sealing ring (40), and the bottom of the sealing ring (40) and the inner side of the top of the insertion pipe (310) are movably installed.
7. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 1, is characterized in that: the air bleeding plug-in piece (6) comprises an air bleeding pipe (60), an anti-slip sleeve (7) is sleeved on the outer side of the top of the air bleeding pipe (60), a pressing plug (62) is welded at the bottom of the air bleeding pipe (60), and a plurality of air holes (3041) are uniformly formed in the bottom of the plugging piece (304) in a penetrating mode.
8. The device for blocking stubbles of high-low grade concrete air bags of beam-column sections according to claim 1, is characterized in that: the bottom outside of bleeder (60) is seted up fastening groove b (61), and the outside of fastening groove b (61) and the inboard activity joint of card pearl (308).
9. A construction method of a device for blocking stubbles of high-low grade concrete airbags of beam-column sections is characterized in that the device for blocking stubbles of high-low grade concrete airbags of beam-column sections, which is described in any one of the above 1-8, is used, and comprises the following steps:
s1, before landfill installation, the air in the stubble blocking air bag 1 is exhausted by using the air discharging plug-in 6, so that the stubble blocking air bag 1 keeps a dry and flat state;
s2, synchronously placing the stubble blocking air bag 1 and the bound steel wire mesh when binding steel bars and erecting templates;
s3, binding structural reinforcing bars, placing a steel wire mesh on the bottom layer structural reinforcing bars, and binding reinforcing steel bars for fixing the stubble blocking air bags 1 at the bottoms of the bottom layer structural reinforcing bars;
s4, after binding, using an external inflation device to inflate the preset stubble blocking air bag 1;
and S5, after the beam concrete is poured and before the concrete is initially set, the air in the stubble blocking air bag 1 is exhausted by using the air discharging plug-in part 6 again, the dry and flat stubble blocking air bag 1 is extracted from the concrete, and the concrete stubble blocking work at the node is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199042A (en) * | 2022-08-12 | 2022-10-18 | 中建三局集团有限公司 | Turnover type high-low grade concrete interception safety double-layer protection system |
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| CN205678305U (en) * | 2016-06-03 | 2016-11-09 | 国家电网公司 | Insulating gas gas-charging connection |
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| CN114182957B (en) | 2022-09-09 |
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