Column needle type concrete pouring construction system and method for concrete filled steel tube

Abstract

The invention discloses a column needle type concrete pouring construction system and method for steel tube concrete, and relates to the technical field of steel tube concrete pouring, the system comprises a lifting hopper, a material receiving pipe is installed in the middle of one side of the outer curved surface of the lifting hopper, a base is installed at the bottom of the lifting hopper, and a plurality of rotating columns are installed at the top end of the base in the circumferential direction at equal angles; a rotary disc is rotatably mounted in the base, a hollow disc seat is mounted at the top end of the rotary disc, and a reel pipe is mounted on one side of the outer curved surface of the hollow disc seat. The pouring work of the steel pipe concrete is more flexible and efficient, it is effectively guaranteed that the concrete can be evenly filled into each layer in the steel pipe column from bottom to top, the synchronism and compatibility adaptability of the concrete pouring speed and the column needle lifting speed in the concrete pouring process are improved, and the forming effect after concrete pouring is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete casting for concrete-filled steel tubes, and specifically to a column needle-type concrete casting construction system and method for concrete-filled steel tubes. Background Technique

[0002] Concrete-filled steel tube refers to a structural member formed by filling concrete in a steel tube, and the steel tube and its core concrete can jointly bear the external load. According to different cross-sectional forms, it can be divided into circular concrete-filled steel tube, square and rectangular concrete-filled steel tube, and polygonal concrete-filled steel tube, etc. The Chinese patent discloses a concrete casting device for concrete-filled steel tubes, with the application number: 201921265087.X. This device can improve the stability of the concrete casting construction platform inside the column, reduce the difficulty of erecting the construction platform, and improve the quality of concrete casting inside the column; However, currently, during the concrete casting process, there is an over-reliance on external tower crane lifting devices, which not only occupies the working time of the external tower crane lifting devices, slows down the construction progress, but also the lifting speed of the tower crane lifting devices does not match the conveying speed of the concrete. As a result, the concrete is prone to stratification and dispersion during the casting process, resulting in the lack of guarantee for the density, strength, durability, service life, and safety performance of the formed concrete-filled steel tube, leading to poor construction quality and low construction efficiency. Summary of the Invention

[0003] The present invention provides a column needle-type concrete casting construction system for concrete-filled steel tubes, which can effectively solve the problem proposed in the above background technique that currently, during the concrete casting process, there is an over-reliance on external tower crane lifting devices, occupying the working time of the external tower crane lifting devices, and the lifting speed of the tower crane lifting devices does not match the conveying speed of the concrete, resulting in the easy occurrence of stratification and dispersion of the concrete during the casting process.

[0004] To achieve the above object, the present invention provides the following technical solution: A column needle-type concrete casting construction system for concrete-filled steel tubes, including a hopper, a receiving pipe is installed in the middle of one side of the outer curved surface of the hopper, and a casting lifting mechanism is installed at the bottom of the hopper; The casting lifting mechanism includes a base; A base is installed at the bottom of the hopper. A plurality of rotating columns are installed at equal angles along the circumferential direction at the top of the base. A turntable is rotatably installed inside the base. A hollow disc seat is installed at the top of the turntable. A coiling pipe is installed on one side of the outer curved surface of the hollow disc seat. A hollow rotating head is rotatably installed at the bottom of the coiling pipe. A guide seat is installed at the bottom of the hollow rotating head. A plurality of column needles are installed at equal distances and evenly at the bottom of the guide seat; One side of the bottom end of the base is provided with a lower groove, and the other side of the top end of the base is provided with an upper groove. A turbine is rotatably installed inside the hopper, an impeller is installed at the top end of the turbine, an air inlet valve is installed in the middle of the top end of the hopper, an air outlet valve is installed at the top of one side of the outer curved surface of the hopper, a trachea is installed at the end of the air outlet valve, the bottom end of the base is embedded and slidably installed with a base, a plug plate is installed at the top end of the base, an air cushion is embedded and installed at the bottom of the inner wall of the base, and a plurality of air ports are equiangularly arranged along the circumferential direction at the top end of the plug plate.

[0005] Preferably, a resistance disk is installed in the middle of the bottom end of the turntable, and the deflection direction of the resistance disk is opposite to the deflection direction of the turntable. A bottom shell is installed at the position of the base bottom end corresponding to the resistance disk. One side of the bottom end of the bottom shell is installed with a thin tube, and a gas valve is installed at the end of the thin tube.

[0006] Preferably, the hollow disk seat is rotatably connected with the hopper, and the inner cavity of the hopper is communicated with the coiling tube through the hollow disk seat. The top end of the rotating column is rotatably connected with the hopper, and the distance between two adjacent rotating columns matches the outer diameter of the coiling tube. One side of the outer curved surface of the base is installed with a guiding ear, and a positioning frame is installed at the top of the inner wall of the base. A plurality of rotating beads are embedded and rotatably installed equiangularly along the circumferential direction on the inner wall of the positioning frame, and both the guiding ear and the rotating beads match the coiling tube.

[0007] Preferably, a rotating cavity is provided inside the base corresponding to the turntable position. Both the lower groove and the upper groove are communicated with the rotating cavity, and the rotating cavity matches the turntable. The end of the trachea is communicated with the space inside the base at the bottom of the base. Both the air inlet valve and the air outlet valve are one-way valves.

[0008] Preferably, a sliding cavity is provided inside the base corresponding to the plug plate position. The air cushion is communicated with the sliding cavity through the air port. A solenoid valve is embedded and installed on one side of the outer curved surface of the sliding cavity, and the inside of the sliding cavity is filled with air.

[0009] Preferably, a vibrating strengthening mechanism is installed on the outside of the hollow rotating head, and the vibrating strengthening mechanism includes a hanging box; A hanging box is installed on the outside of the hollow rotating head. A wheel rail disk is installed at the bottom end of the hanging box. A rotating disk is embedded and rotatably installed at the bottom end of the wheel rail disk. Sliding plates are embedded and slidably installed at both ends of the hanging box. A hub is rotatably installed at the end of the sliding plate. Sleeve is embedded and rotatably installed at both sides of the side end face of the sliding plate at both sides of the hub. Bevel gears are installed at the middle of both side end faces of the hub and one end of the sleeve. A hexagonal rod is embedded and slidably installed at the other end of the sleeve. A worm is installed at the end of the hexagonal rod. A worm gear is installed on the outer curved surface of the hollow rotating head corresponding to the worm position; The bottom end of the rotating disk is located on both sides of the guide seat and a suspension rod is symmetrically installed for rotation. A rotating wheel is installed at the top of the outer curved surface of the suspension rod corresponding to the position of the wheel-rail disk. A ring is slidably sleeved on the bottom of the outer curved surface of the suspension rod, and a vibrating frame is installed at the bottom of the ring. Extension rods are embedded and slidably installed at the bottom of the end surfaces of both sides of the vibrating frame, and balls are embedded and rolled on the inner wall of the ring. A rail groove is opened at the position of the ball on the outer curved surface of the suspension rod, and a weight plate is installed on the top of the hanging box, and an electromagnet is installed on the top edge of the weight plate.

[0010] Preferably, the guide seat is rotatably connected to the winding tube via a hollow turntable, the top of the hanging box is fixedly connected to the hollow turntable, the bottom of the hanging box is rotatably connected to the hollow turntable, and the bottom of the outer curved surface of the hollow turntable is fixedly connected to the rotating disk.

[0011] Preferably, the wheel hub is connected to the shaft sleeve via a bevel gear, the hexagonal rod is rotatably connected to the hanging box, the worm wheel is meshingly connected to the worm via gear teeth, and the interior of the hanging box is filled with compressed air at a position between two sliding plates.

[0012] Preferably, the rotating wheel fits with the wheel-rail disc, the rail groove fits with the ball bearing, the rail groove is inclined along the outer curved surface of the suspension rod, the rail groove is elliptical, and the interior of the vibrating frame is filled with compressed air at a position between two extension rods.

[0013] The column-pin type concrete pouring method for steel tube concrete comprises the following steps: S1. Use an external connecting pipe to connect the material receiving pipe with the external concrete conveying device, and adjust the air pressure on the resistance plate through the air valve according to actual construction requirements to adjust the air pressure during the concrete pouring process; S2. Use an external tower crane to transport the device to the designated location, send the column needle into the steel pipe to be cast, clamp the base on the top of the steel pipe to be cast, and gradually lower the bucket so that the air cushion holds the steel pipe to be cast inside under the action of air pressure; S3. Release the magnetic adsorption force on the load plate, the column needle will fall down accordingly, and the coiled tube on the outer side of the hollow plate seat will be released accordingly, completing the installation and fixing work of a single bucket, and releasing the connection between the bucket and the external tower crane device; S4. The above process can be repeated according to actual needs to realize the installation of multiple buckets, and then realize the synchronous pouring of multiple steel pipes, or the pouring work can be directly carried out. After the installation of the bucket is completed, the occupation of the external tower crane device can be released; S5. The external concrete conveying device delivers the concrete into the bucket through the external pipeline via the reel. After the concrete is secondary diverted inside the guide seat, it flows into different column needles and is evenly discharged into the steel pipe to be poured through the column needles. S6. The air inside the steel pipe is squeezed and flows upward, forming a confluence with the air pumped by the impeller, forcing the turntable to drive the hollow disk seat to wind up the coiled pipe under the action of air pressure, and automatically adjusting the height of the column needle; S7. The hub rolls along the steel pipe, forcing the hollow rotating head to drive each column needle to deflect synchronously, expanding the pouring surface, and enabling the vibrating frame to synchronously vibrate the concrete inside the steel pipe under the limitation of the collar; S8. After the pouring work is completed, the hopper can be lifted again by using the external tower crane device to complete the finishing work.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: The structure of the present invention is scientific and reasonable, and it is safe and convenient to use; 1. There is a pouring lifting mechanism. Through the cooperation of the turbine, impeller, air inlet valve, air outlet valve and air pipe, the conveying pressure of the concrete can be synchronously converted, improving the effective utilization rate of energy during the pouring process. Coupled with the transmission conversion of the turntable, hollow disk seat, lower groove and upper groove, a power conversion structure can be constructed, and the flowing pressure of the concrete during the casting of steel pipe concrete can be secondarily utilized. While automatically adjusting the height of the column needle, the synchronous winding of the coiled pipe can be realized, getting rid of the dependence on external lifting devices, enabling the synchronous casting of multiple steel pipe concretes, reducing the constraints of the construction space and the length of the concrete conveying pipe, making the pouring work more quickly applicable to various complex construction environments, and making the casting work of steel pipe concrete more flexible and efficient; And it can make full use of the flowing pressure of the concrete. Without an external lifting device, the height of the column needle can be automatically adjusted according to needs during the concrete pouring process, effectively ensuring that the concrete can be evenly filled from bottom to top into each layer of the steel pipe column, avoiding the layering phenomenon caused by poor fluidity in the traditional pouring method. It not only effectively improves the energy utilization rate during the concrete pouring process, equivalently achieves an energy-saving effect, but also can effectively reduce the occupation time of the tower crane, improve the construction efficiency. At the same time, it can effectively improve the synchronism and compatibility between the concrete pouring speed and the column needle lifting speed during the concrete pouring process, fully ensuring the stability during the process of filling the concrete into the steel pipe, effectively avoiding the discrete phenomenon of the concrete during the concrete pouring process, effectively improving the forming effect after the concrete pouring, improving the adhesion between the concrete and the steel pipe, and enhancing the strength, durability, service life and safety performance of the formed steel pipe concrete.

[0015] 2. By cooperating with the base, rotating column and base, a limit guiding structure can be constructed to quickly achieve the docking between the hopper and the steel pipe during the casting process of concrete-filled steel tube, improving the construction efficiency in the early stage. On the one hand, it can cooperate with the plug plate, air cushion and air port to synchronously convert and utilize the self-weight of the device, elastically lock and fix the hopper and the steel pipe, and effectively offset the vibration during the casting process, effectively avoiding the dislocation and inclination of the device during the casting process of concrete-filled steel tube, making the casting process of concrete more balanced and stable, further ensuring the pouring effect of concrete. At the same time, it can effectively improve the matching of the device with steel pipes of different specifications, enabling the device to be applied to the casting work of concrete-filled steel tubes of more specifications and types, effectively expanding the applicable range of the device; On the other hand, it can improve the sealing performance at the connection of the top of the steel pipe during the concrete casting process, can limit the flow of air, and with the limit adjustment function of the guide seat, bottom shell, resistance disc, thin pipe and air valve, it can flexibly limit the air pressure at the top of the concrete during the concrete casting process, can further limit the dropping height of the concrete and the winding speed of the coiled pipe, further improving the adaptability of the concrete casting work to steel pipes of different specifications, and can fully utilize the air pressure to compact the concrete, improving the compactness of the concrete. By cooperating with the rotating column and the hollow rotating head, the compatibility and adaptability between various operations during the casting process of concrete-filled steel tube can be effectively improved.

[0016] 3. A vibration strengthening mechanism is provided. By cooperating with the hanging box, sliding plate, hub, bushing, bevel gear, hexagonal rod, worm gear, rotating disc and worm, a transmission conversion structure can be constructed to reuse the kinetic energy during the lifting process of the column needle, further improving the energy utilization efficiency of the device. On the one hand, it can dynamically adjust the angle of the column needle, replacing static casting with dynamic casting, effectively expanding the casting surface, effectively improving the uniformity and stability of concrete pouring on the same layer, and improving the casting effect. On the other hand, it can drive the vibrating frame to initially stir and level the concrete, improving the effectiveness and sufficiency of concrete filling during the concrete casting process, making the concrete more compact, and further avoiding the stratification phenomenon; On the other hand, by cooperating with the wheel rail disc, hanging rod, runner, collar, vibrating frame, extension rod, ball and rail groove, a secondary linkage structure can be formed to further conduct and convert the driving force to achieve compound stirring. Using the vibrating frame to perform compound vibration on the concrete in a multi-dimensional and compound manner can make the vibration work of the concrete more efficient, stable and reliable, improving the effectiveness, sufficiency and efficiency of the concrete vibration work, effectively avoiding the occurrence of voids and defects during the concrete casting process, avoiding casting cavities, and greatly improving the casting quality.

[0017] In summary, during the pouring process of concrete-filled steel tubes, the column needle type concrete pouring construction system can effectively reduce the dependence on external lifting devices, significantly reduce the occupation time of external tower crane devices, and can achieve synchronous pouring of multiple steel tubes. At the same time, it can effectively enhance the adaptability between the concrete conveying speed and the column needle lifting speed, and achieve dynamic pouring and synchronous composite vibration, effectively solving the layering phenomenon, avoiding pouring cavities, effectively improving the density of concrete, and synchronously improving the pouring speed and pouring quality of concrete-filled steel tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention.

[0019] In the accompanying drawings: Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic structural diagram of the coiling tube installation of the present invention; Figure 3 is a schematic structural diagram of the column needle installation of the present invention; Figure 4 is a schematic structural diagram of the pouring and lifting mechanism of the present invention; Figure 5 is a partial explosion view of the present invention; Figure 6 is a schematic structural diagram of the vibration strengthening mechanism of the present invention; Figure 7 is a schematic structural diagram of the worm gear installation of the present invention; Figure 8 is a schematic structural diagram of the ball installation of the present invention; Figure 9 is a step flow chart of the pouring construction method of the present invention; Reference numerals in the figures: 1, hopper; 2, receiving pipe; 3, coiling tube; 4, column needle; 200, pouring and lifting mechanism; 201, base; 202, rotating column; 203, turntable; 204, hollow disc base; 205, lower groove; 206, upper groove; 207, turbine; 208, impeller; 209, intake valve; 210, exhaust valve; 211, air pipe; 212, base; 213, plug plate; 214, air cushion; 215, air port; 216, hollow drill head; 217, guide seat; 218, bottom shell; 219, resistance plate; 220, thin pipe; 221, air valve; 31, guiding ear; 32, positioning frame; 33, rotating ball; 2031, rotating cavity; 2131, sliding cavity; 2132, solenoid valve; 300. Vibration intensifying mechanism; 301. Suspension box; 302. Wheel-rail disc; 303. Rotating disc; 304. Slide plate; 305. Hub; 306. Bush; 307. Bevel gear; 308. Hexagonal rod; 309. Worm gear; 310. Worm; 311. Suspension rod; 312. Runner; 313. Collar; 314. Vibration frame; 315. Extension rod; 316. Ball; 317. Rail groove; 318. Load-bearing disc; 319. Electromagnet. Detailed implementation mode

[0020] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Embodiment: As Figures 1-8 shown, the present invention provides a technical solution for a column needle type concrete pouring construction system for concrete-filled steel tubes, including a hopper 1. A receiving pipe 2 is installed in the middle of one side of the outer curved surface of the hopper 1, and a pouring lifting mechanism 200 is installed at the bottom of the hopper 1; The pouring lifting mechanism 200 includes a base 201; A base 201 is installed at the bottom of the hopper 1. A plurality of rotating columns 202 are installed at equal angles along the circumferential direction at the top end of the base 201. A turntable 203 is rotatably installed inside the base 201. A resistance disc 219 is installed in the middle of the bottom end of the turntable 203, and the deflection direction of the resistance disc 219 is opposite to the deflection direction of the turntable 203. A bottom shell 218 is installed at the position corresponding to the resistance disc 219 at the bottom end of the base 201. A thin pipe 220 is installed on one side of the bottom end of the bottom shell 218, and an air valve 221 is installed at the end of the thin pipe 220 to limit the air pressure during the pouring process. A hollow disc seat 204 is installed at the top end of the turntable 203. A coiled pipe 3 is installed on one side of the outer curved surface of the hollow disc seat 204. A hollow rotating head 216 is rotatably installed at the bottom end of the coiled pipe 3. A guide seat 217 is installed at the bottom end of the hollow rotating head 216. A plurality of column needles 4 are installed at equal distances and evenly at the bottom end of the guide seat 217; A lower groove 205 is opened on one side of the bottom end of the base 201, and an upper groove 206 is opened on the other side of the top end of the base 201. A turbine 207 is rotatably installed inside the hopper 1. An impeller 208 is installed at the top end of the turbine 207. An air inlet valve 209 is installed in the middle of the top end of the hopper 1. An air outlet valve 210 is installed at the top of one side of the outer curved surface of the hopper 1. A trachea 211 is installed at the end of the air outlet valve 210. A rotating cavity 2031 is opened inside the base 201 corresponding to the position of the turntable 203. The lower groove 205 and the upper groove 206 are both communicated with the rotating cavity 2031, and the rotating cavity 2031 fits with the turntable 203. The end of the trachea 211 is communicated with the space inside the base 212 at the bottom of the base 201. Both the air inlet valve 209 and the air outlet valve 210 are one-way valves to convert and utilize the driving force; A base 212 is slidably installed by being embedded at the bottom end of a base 201. A hollow disc base 204 is rotatably connected to a hopper 1, and the inner cavity of the hopper 1 is communicated with a coiled pipe 3 through the hollow disc base 204. The top end of a rotating column 202 is rotatably connected to the hopper 1, and the distance between two adjacent rotating columns 202 fits the outer diameter of the coiled pipe 3. On one side of the outer curved surface of the base 201, a guiding ear 31 is installed. At the top of the inner wall of the base 212, a positioning frame 32 is installed. A number of rotating beads 33 are installed by being embedded and rolling along the circumferential direction at equal angles on the inner wall of the positioning frame 32, and both the guiding ear 31 and the rotating beads 33 fit the coiled pipe 3 to perform limiting and guiding, so as to improve the pouring effect; A plug plate 213 is installed at the top end of the base 212. An air cushion 214 is embedded and installed at the bottom of the inner wall of the base 212. A number of air ports 215 are opened at equal angles along the circumferential direction at the top end of the plug plate 213. A sliding cavity 2131 is opened at the position corresponding to the plug plate 213 inside the base 201. The air cushion 214 is communicated with the sliding cavity 2131 through the air ports 215. A solenoid valve 2132 is embedded and installed on one side of the outer curved surface of the sliding cavity 2131, and the inside of the sliding cavity 2131 is filled with air to improve the connection stability of the device.

[0022] A vibration strengthening mechanism 300 is installed on the outside of a hollow rotating head 216. The vibration strengthening mechanism 300 includes a hanging box 301, a wheel-rail disc 302, a rotating disc 303, a sliding plate 304, a hub 305, a bushing 306, a bevel gear 307, a hexagonal rod 308, a worm gear 309, a worm 310, a suspension rod 311, a runner 312, a collar 313, a vibration frame 314, an extension rod 315, a ball 316, a rail groove 317, a load-bearing disc 318, and an electromagnet 319; A hanging box 301 is installed on the outside of the hollow rotating head 216. A wheel-rail disc 302 is installed at the bottom end of the hanging box 301. A rotating disc 303 is rotatably installed by being embedded at the bottom end of the wheel-rail disc 302. Sliding plates 304 are slidably installed by being embedded at both ends of the hanging box 301. A hub 305 is rotatably installed at the end of the sliding plate 304. Bushing 306 are rotatably installed by being embedded at both sides of the side end face of the sliding plate 304 at positions on both sides of the hub 305. Bevel gears 307 are installed at the middle of both end faces of the hub 305 and one end of the bushing 306, and a hexagonal rod 308 is slidably installed at the other end of the bushing 306; A worm 310 is installed at the end of the hexagonal rod 308. A worm gear 309 is installed on the outer curved surface of the hollow rotating head 216 at a position corresponding to the worm 310. The hub 305 is connected to the bushing 306 through the bevel gear 307. The hexagonal rod 308 is rotatably connected to the hanging box 301. The worm gear 309 is meshed and connected to the worm 310 through teeth. Compressed air is filled at the position between the two sliding plates 304 inside the hanging box 301 to perform linkage conversion on the driving force; At both sides of the guide seat 217 at the bottom end of the rotating disc 303, suspension rods 311 are symmetrically and rotatably installed. At the top of the outer surface of the suspension rod 311 corresponding to the position of the wheel-rail disc 302, a runner 312 is installed. A collar 313 is slidably sleeved on the outer surface of the bottom of the suspension rod 311. At the bottom end of the collar 313, a vibrating frame 314 is installed. At the bottom of both side end faces of the vibrating frame 314, extension rods 315 are embedded and slidably installed. At the inner wall of the collar 313, balls 316 are embedded and rotatably installed. At the position of the outer surface of the suspension rod 311 corresponding to the ball 316, a rail groove 317 is formed. The runner 312 is fitted with the wheel-rail disc 302, and the rail groove 317 is fitted with the ball 316. The rail groove 317 is inclined along the outer surface of the suspension rod 311. The rail groove 317 is elliptical. Inside the vibrating frame 314, between the two extension rods 315, compressed air is filled to improve the adaptability to steel pipes of different specifications and achieve composite vibration. The guide seat 217 is rotationally connected to the coiled pipe 3 through a hollow rotary head 216. The top end of the hanging box 301 is fixedly connected to the hollow rotary head 216, and the bottom end of the hanging box 301 is rotationally connected to the hollow rotary head 216. The bottom of the outer surface of the hollow rotary head 216 is fixedly connected to the rotating disc 303 to achieve dynamic pouring. At the top end of the hanging box 301, a weight plate 318 is installed. At the edge of the top end of the weight plate 318, an electromagnet 319 is installed.

[0023] As Figure 9 shown, a column needle type concrete pouring method for concrete filled steel tube includes the following steps: S1. Using an external external pipeline, connect the material receiving pipe 2 with an external concrete conveying device, and according to the actual construction requirements, adjust the air pressure received by the resistance disc 219 through the air valve 221 to adjust the air pressure during the concrete pouring process; S2. Using an external tower crane device to transfer the device to the designated position, send the column needle 4 into the steel tube to be poured, clamp the base 212 on the top end of the steel tube to be poured, and gradually lower the hanging bucket 1 so that the air cushion 214 tightly holds the inner steel tube to be poured under the action of air pressure; S3. Release the magnetic adsorption force received by the weight plate 318, the column needle 4 will correspondingly drop, and the coiled pipe 3 wound around the outer side of the hollow disc seat 204 will be correspondingly released to complete the installation and fixation work of a single hanging bucket 1, and disconnect the connection between the hanging bucket 1 and the external tower crane device; S4. According to the actual needs, the foregoing process can be repeated to achieve the installation work of multiple hanging buckets 1, and subsequent synchronous pouring of multiple steel pipes can be realized, or the pouring work can be directly carried out. After the installation of the hanging bucket 1 is completed, the occupation of the external tower crane device can be released; S5. The external concrete conveying device sends concrete into the hanging bucket 1 through the external pipeline and the coiled pipe 3. After the concrete is secondarily split inside the guide seat 217, it flows into different column needles 4 and is evenly discharged into the steel tube to be poured through the column needles 4; S6. The air inside the steel pipe is squeezed and flows upward, forming a confluence with the air pumped by the impeller 208, forcing the turntable 203 to drive the hollow disc seat 204 under the action of air pressure to wind up the coiling pipe 3 and automatically adjust the height of the column needle 4; S7. The hub 305 rolls along the steel pipe, forcing the hollow rotating head 216 to drive each column needle 4 to deflect synchronously, expanding the pouring surface, and enabling the vibrating frame 314 to vibrate the concrete inside the steel pipe synchronously under the limitation of the collar 313; S8. After the pouring work is completed, the hopper 1 can be lifted again by using the external tower crane device to complete the finishing work.

[0024] The working principle and usage process of the present invention: In the actual use process of this column needle type concrete pouring construction system for steel pipe concrete, first, according to the actual requirements, that is, according to the actual construction distance, select the external pipeline with the corresponding length, connect the feeding pipe 2 with the external concrete conveying device by using the external external pipeline, and according to the actual construction requirements, inject air into the inner part of the bottom shell 218 through the air valve 221 via the thin pipe 220, or release the air inside the bottom shell 218, adjust the air pressure received by the resistance disc 219, adjust the air pressure during the concrete pouring process, and achieve an equivalent limitation on the lifting speed of the column needle 4 during the concrete pouring process; Subsequently, connect the hopper 1 with the external tower crane device, use the external tower crane device to transfer the device to the designated position, press the extension rod 315 and the hub 305 in sequence, shorten the distance between the two extension rods 315 and the distance between the two sliding plates 304, send the column needle 4 into the steel pipe to be poured, align the bottom opening of the base 212 with the steel pipe to be poured, sleeved the base 212 on the top of the steel pipe to be poured, and gradually lower the hopper 1. At this time, the hopper 1 will slide relative to the base 212 under its own weight, and then the plug plate 213 will slide along the sliding cavity 2131, press the air inside the sliding cavity 2131 into the air cushion 214 through the air port 215, so that the air cushion 214 expands correspondingly under the action of air pressure and tightly holds the inner steel pipe to be poured; The existence of the air cushion 214 can effectively adapt to steel pipes to be poured with different specifications. While ensuring the sealing performance of the connection and enabling the gas to flow along the specified path during the pouring process, it can slow down the vibration during the pouring process and maintain the stability of the device. Subsequently, turn off the electromagnet 319 to release the magnetic adsorption force received by the load-bearing disc 318. Under its own weight, the column needle 4 will fall correspondingly and drag the coiling pipe 3, so that the coiling pipe 3 wound around the outside of the hollow disc seat 204 is released correspondingly, completing the installation and fixation work of a single hopper 1, and disconnecting the connection between the hopper 1 and the external tower crane device; Subsequently, according to actual requirements, the foregoing process can be repeated to complete the installation and fixation of multiple hanging buckets 1 and connect them to an external concrete conveying device, so as to achieve synchronous pouring of multiple steel pipes during subsequent pouring, improve the performance consistency of the formed concrete-filled steel pipes, and improve the pouring efficiency. Alternatively, the pouring work can be directly carried out one by one. After the installation and fixation of the hanging bucket 1 are completed, the occupation of the external tower crane device can be released, and at this time, the external tower crane device can be applied to other construction operations; During the pouring of concrete, the external concrete conveying device sends the concrete into the hanging bucket 1 through an external pipeline via the coiling pipe 3. Subsequently, the concrete flows into the coiling pipe 3 through the hollow disc base 204, and under the diversion of the coiling pipe 3, it flows into the guide base 217 through the hollow rotating head 216, and realizes secondary diversion inside the guide base 217, and finally flows into different column needles 4 through the corresponding column needle 4 ports, and is evenly discharged into the steel pipe to be poured through the column needle 4; When the concrete flows into the hanging bucket 1, it will impact the turbine 207, forcing the turbine 207 to rotate accordingly. During the rotation of the turbine 207, on the one hand, it will improve the uniformity of the concrete, and on the other hand, it will drive the impeller 208 to rotate synchronously, forcing the external air to enter the cavity where the impeller 208 is located under the traction of the impeller 208, and being pressed into the space at the bottom of the lower groove 205 inside the base 212 by the impeller 208 under the restriction of the air outlet valve 210; Meanwhile, as the concrete is injected into the steel pipe to be poured, the air inside the steel pipe to be poured will also flow upward under extrusion, forming a confluence with the air pressed by the impeller 208. The confluent air flow will enter the rotating cavity 2031 through the lower groove 205, and press the turntable 203, forcing the turntable 203 to rotate accordingly under the action of air pressure, and finally being discharged through the upper groove 206; During the rotation of the turntable 203, it will drive the hollow disc base 204 to rotate synchronously. Under the guidance of the rotating column 202, the guiding ear 31, the positioning frame 32 and the rotating bead 33, the hollow disc base 204 will wind up the coiling pipe 3 and reduce the friction force received during the winding process of the coiling pipe 3. As the coiling pipe 3 is wound up, it will drag the guide base 217 through the hollow rotating head 216, forcing the column needle 4 to rise accordingly. In the absence of an external lifting device, the height of the column needle 4 can be automatically adjusted during pouring, so that the concrete can be evenly filled into each layer inside the steel pipe column from bottom to top; During the process of the air flow pressing the turntable 203, the turntable 203 will receive the reverse resistance given by the resistance disc 219. The resistance given by the resistance disc 219 to the turntable 203 in turn comes from the pressure of the air inside the bottom shell 218 on the resistance disc 219. That is, during pouring, only when the pressure of the air flow on the turntable 203 is sufficient to offset the pressure received by the resistance disc 219, will the turntable 203 rotate to drive the hollow disc base 204 to wind up the coiling pipe 3; Through the driving mechanism of the turntable 203, the air pressure inside the steel pipe during the pouring process can be maintained at the air pressure when the turntable 203 rotates. By regulating the air pressure inside the bottom shell 218, the lifting node of the column needle 4 can be adjusted, the throwing height of the concrete slurry can be flexibly controlled, and at the same time, the air pressure at the top of the concrete inside the steel pipe during the pouring process can be limited to compact the concrete. Since the air pressure that drives the rotation of the turntable 203 mainly comes from the air flow conveyed by the impeller 208, and the driving force for the rotation of the impeller 208 comes from the impact force given to the turbine 207 during the flow of concrete. That is, during the concrete pouring process, the faster the concrete conveying speed, the faster the air flow conveyed by the impeller 208, and correspondingly, the faster the turntable 203 rotates. In addition, another part of the air pressure that drives the rotation of the turntable 203 comes from the extrusion of the air inside the steel pipe to be poured by the concrete. That is, the faster the concrete is conveyed, the faster the air inside the steel pipe to be poured will be pressed out, driving the turntable 203 to rotate faster, making the rotation speed of the turntable 203 rise and fall synchronously with the concrete conveying speed. Further, the winding speed of the coiling pipe 3 rises and falls synchronously with the concrete conveying speed, and finally, the lifting speed of the column needle 4 rises and falls synchronously with the concrete conveying speed, which can effectively ensure the coordination and synchronization between the concrete pouring speed and the height adjustment work of the column needle 4. During the process of the hollow drill head 216 being pulled and lifted by the coiling pipe 3, it will drag the hanging box 301 to rise synchronously. Under the action of the air pressure inside the hanging box 301, the sliding plate 304 will give elastic support to the hub 305, forcing the hub 305 to closely adhere to the inner wall of the steel pipe to be poured. As the hanging box 301 rises, the hub 305 rolls along the inner wall of the steel pipe to be poured, and drives the hexagonal rod 308 to rotate through the bevel gear 307. The hexagonal rod 308 will drive the worm 310 to rotate synchronously, and drive the worm gear 309 to rotate through the worm 310, forcing the hollow drill head 216 to drive each column needle 4 to deflect synchronously through the guide seat 217 under the drive of the worm gear 309, expanding the pouring surface. At the same time, the hollow drill head 216 will also drive the rotating disk 303 to rotate synchronously. The rotating disk 303 will drive the hanging rod 311 to deflect correspondingly, and make the vibrating frame 314 deflect synchronously with the hanging rod 311 under the limitation of the collar 313. While the hanging rod 311 deflects with the rotating disk 303, the runner 312 will roll along the side of the wheel rail disk 302 and drive the hanging rod 311 to rotate. As the hanging rod 311 rotates, the ball 316 will roll along the rail groove 317 and drive the vibrating frame 314 to reciprocate up and down through the collar 313. In addition, the extension rod 315 fits with the inner wall of the steel pipe under the action of the air pressure inside the vibrating frame 314, which can more comprehensively realize the synchronous vibration of the concrete inside the steel pipe. With the action of the top air pressure, the compactness of the concrete pouring is improved. After the pouring work is completed, the hopper 1 can be lifted again by using the external tower crane device. During the lifting process of the hopper 1, the plug plate 213 will slide down relative to the sliding cavity 2131, thereby pumping the air inside the air cushion 214 into the sliding cavity 2131, releasing the extrusion of the air cushion 214 on the steel pipe, so as to quickly transfer the device and complete the finishing work.

[0025] Finally, it should be noted that the above are only preferred examples of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A pin-type concrete pouring construction system for steel tube concrete, comprising a bucket (1), characterized in that: A material receiving pipe (2) is installed in the middle of one side of the outer curved surface of the bucket (1), and a pouring and lifting mechanism (200) is installed at the bottom of the bucket (1); The pouring and lifting mechanism (200) comprises a base (201); A base (201) is installed at the bottom of the bucket (1), a plurality of rotating columns (202) are installed at equal angles on the top of the base (201) along the circumferential direction, a rotating disk (203) is rotatably installed inside the base (201), a hollow disk seat (204) is installed on the top of the rotating disk (203), a reel (3) is installed on one side of the outer curved surface of the hollow disk seat (204), a hollow rotating head (216) is rotatably installed at the bottom end of the reel (3), a guide seat (217) is installed at the bottom end of the hollow rotating head (216), and a plurality of column needles (4) are evenly and equidistantly installed at the bottom end of the guide seat (217); A lower groove (205) is provided on one side of the bottom end of the base (201), and an upper groove (206) is provided on the other side of the top end of the base (201); a turbine (207) is rotatably mounted inside the bucket (1), and an impeller (208) is mounted on the top end of the turbine (207); an air inlet valve (209) is mounted in the middle of the top end of the bucket (1); an air outlet valve (210) is mounted on the top end of one side of the outer curved surface of the bucket (1), and an air pipe (211) is mounted on the end of the air outlet valve (210); a base (212) is embedded and slidably mounted on the bottom end of the base (201), a plug plate (213) is mounted on the top end of the base (212), an air cushion (214) is embedded and mounted on the bottom of the inner wall of the base (212), and a plurality of air ports (215) are opened at equal angles along the circumferential direction on the top end of the plug plate (213).

2. The pin-type concrete pouring construction system for steel tube concrete according to claim 1 is characterized in that: A resistance disk (219) is installed in the middle of the bottom end of the rotating disk (203), and the deflection direction of the resistance disk (219) is opposite to the deflection direction of the rotating disk (203). A bottom shell (218) is installed at the bottom end of the base (201) at a position corresponding to the resistance disk (219). A thin tube (220) is installed at one side of the bottom end of the bottom shell (218), and an air valve (221) is installed at the end of the thin tube (220).

3. The pin-type concrete pouring construction system for steel tube concrete according to claim 1 is characterized in that: The hollow disc seat (204) is rotatably connected to the bucket (1), and the inner cavity of the bucket (1) is connected to the reel (3) through the hollow disc seat (204). The top of the rotating column (202) is rotatably connected to the bucket (1), and the distance between two adjacent rotating columns (202) matches the outer diameter of the reel (3). A guide ear (31) is installed on one side of the outer curved surface of the base (201), and a positioning frame (32) is installed on the top of the inner wall of the base (212). A plurality of rotating beads (33) are embedded and rollingly installed on the inner wall of the positioning frame (32) at equal angles along the circumferential direction, and the guide ear (31) and the rotating beads (33) are both in harmony with the reel (3).

4. The pin-type concrete pouring construction system for steel tube concrete according to claim 1 is characterized in that: A rotating chamber (2031) is provided inside the base (201) at a position corresponding to the rotating disk (203); the lower groove (205) and the upper groove (206) are both in communication with the rotating chamber (2031), and the rotating chamber (2031) fits with the rotating disk (203); the end of the air pipe (211) is in communication with a space located inside the base (212) at the bottom of the base (201); and the air inlet valve (209) and the air outlet valve (210) are both one-way valves.

5. The pin-type concrete pouring construction system for steel tube concrete according to claim 1, characterized in that: A sliding cavity (2131) is provided inside the base (201) at a position corresponding to the plug plate (213); the air cushion (214) is connected to the sliding cavity (2131) via an air port (215); a solenoid valve (2132) is embedded and installed on one side of the outer curved surface of the sliding cavity (2131); and the interior of the sliding cavity (2131) is filled with air.

6. The pin-type concrete pouring construction system for steel tube concrete according to claim 1, characterized in that: A vibration reinforcement mechanism (300) is installed on the outer side of the hollow rotor (216), and the vibration reinforcement mechanism (300) comprises a hanging box (301); A hanging box (301) is installed on the outside of the hollow rotor (216), a wheel-rail disc (302) is installed on the bottom end of the hanging box (301), a rotating disc (303) is embedded and rotatably installed on the bottom end of the wheel-rail disc (302), sliding plates (304) are embedded and slidably installed at both ends of the hanging box (301), a wheel hub (305) is rotatably installed at the end of the sliding plate (304), a shaft sleeve (306) is embedded and rotatably installed at the side end surface of the sliding plate (304) at the position on both sides of the wheel hub (305), a bevel gear (307) is installed at the middle of the end surfaces on both sides of the wheel hub (305) and one end of the shaft sleeve (306), a hexagonal rod (308) is embedded and slidably installed at the other end of the shaft sleeve (306), a worm (310) is installed at the end of the hexagonal rod (308), and a worm wheel (309) is installed at the position of the outer curved surface of the hollow rotor (216) corresponding to the worm (310); The bottom end of the rotating disk (303) is symmetrically rotatably mounted with a suspension rod (311) at positions on both sides of the guide seat (217); a rotating wheel (312) is mounted at a position corresponding to the wheel-rail disk (302) on the top of the outer curved surface of the suspension rod (311); a sleeve ring (313) is slidably sleeved on the bottom of the outer curved surface of the suspension rod (311); a vibrating frame (314) is mounted at the bottom of the sleeve ring (313); extension rods (315) are slidably mounted on the bottom of both side end surfaces of the vibrating frame (314); a ball bearing (316) is slidably mounted on the inner wall of the sleeve ring (313); a rail groove (317) is provided at a position corresponding to the ball bearing (316) on the outer curved surface of the suspension rod (311); a weight plate (318) is mounted on the top end of the hanging box (301); and an electromagnet (319) is mounted on the top edge of the weight plate (318).

7. The pin-type concrete pouring construction system for steel tube concrete according to claim 6, characterized in that: The guide seat (217) is rotatably connected to the winding tube (3) via a hollow rotating head (216); the top end of the hanging box (301) is fixedly connected to the hollow rotating head (216); the bottom end of the hanging box (301) is rotatably connected to the hollow rotating head (216); and the bottom of the outer curved surface of the hollow rotating head (216) is fixedly connected to the rotating disk (303).

8. The pin-type concrete pouring construction system for steel tube concrete according to claim 6, characterized in that: The wheel hub (305) is connected to the shaft sleeve (306) via a bevel gear (307), the hexagonal rod (308) is rotationally connected to the hanging box (301), the worm wheel (309) is meshingly connected to the worm (310) via gear teeth, and the interior of the hanging box (301) is filled with compressed air at a position between the two sliding plates (304).

9. The pin-type concrete pouring construction system for steel tube concrete according to claim 6, characterized in that: The rotating wheel (312) fits with the wheel-rail disc (302), the rail groove (317) fits with the ball bearing (316), the rail groove (317) is arranged obliquely along the outer curved surface of the suspension rod (311), the rail groove (317) is elliptical, and the interior of the vibrating frame (314) between the two extension rods (315) is filled with compressed air.

10. A method for pouring column-needle concrete for steel tube concrete, according to claim 6, characterized in that: The steps include: S1, using an external connecting pipe to connect the material receiving pipe (2) with an external concrete conveying device, and adjusting the air pressure on the resistance plate (219) through the air valve (221) according to actual construction requirements, so as to adjust the air pressure during the concrete pouring process; S2. Use an external tower crane to transport the device to a designated location, insert the column needle (4) into the steel pipe to be cast, clamp the base (212) on the top of the steel pipe to be cast, and gradually lower the bucket (1) so that the air cushion (214) holds the steel pipe to be cast inside under the action of air pressure; S3, the magnetic adsorption force on the load plate (318) is released, the column needle (4) will fall down accordingly, and the coiled tube (3) wound outside the hollow plate seat (204) will be released accordingly, completing the installation and fixing work of the single bucket (1), and releasing the connection between the bucket (1) and the external tower crane device; S4. The above process can be repeated according to actual needs to realize the installation of multiple buckets (1), and then realize the synchronous pouring of multiple steel pipes, or the pouring work can be directly carried out. After the installation of the bucket (1) is completed, the occupation of the external tower crane device can be released; S5, the external concrete conveying device delivers the concrete into the bucket (1) through the external pipeline via the reel (3); after the concrete is secondary-divided inside the guide seat (217), it flows into different column needles (4) and is evenly discharged into the steel pipe to be poured through the column needles (4); S6. The air inside the steel pipe is squeezed and flows upward, and merges with the air delivered by the impeller (208), forcing the rotating disk (203) to drive the hollow disk seat (204) to reel the reel (3) under the action of air pressure, thereby automatically adjusting the height of the column needle (4); S7, the wheel hub (305) rolls along the steel pipe, forcing the hollow rotating head (216) to drive each column needle (4) to deflect synchronously, thereby expanding the casting surface, and allowing the vibrating frame (314) to synchronously vibrate the concrete inside the steel pipe under the limitation of the sleeve ring (313); S8. After the pouring work is completed, the bucket (1) is lifted again using the external tower crane device to complete the finishing work.

Images