Steel bar connecting structure of prefabricated part

Abstract

The invention discloses a steel bar connecting structure of a prefabricated part, and belongs to the technical field of constructional engineering.The steel bar connecting structure of the prefabricated part comprises two barrels, the outer ends of the two barrels are both rotationally connected with connecting-in pipes, and a plurality of mounting holes are formed in the two connecting-in pipes; balls are rotationally connected into the multiple mounting holes, clamping mechanisms are arranged in the two barrels, and an auxiliary mechanism is arranged between the two barrels. An auxiliary mechanism is designed, a sliding ring is slid by controlling a moving block, the butt joint can be welded only by inserting a welding gun into an inserting hole by a constructor, different positions of the steel bar butt joint can be welded only by sliding the sliding ring, operation is easy and fast, and the welding efficiency is improved. And a constructor does not need to lift a welding gun to weld the reinforcing steel bars, so that the welding quality and efficiency are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of construction engineering, and in particular relates to a steel bar connection structure of a prefabricated component. Background Art

[0002] As the construction industry moves towards industrialization, efficiency and sustainable development, the application of prefabricated components is becoming more and more extensive. Prefabricated components are building parts pre-made in factories, including prefabricated wall panels, prefabricated floor slabs, prefabricated columns, prefabricated beams, etc. These prefabricated components are assembled on the construction site, which greatly shortens the construction period and improves the controllability of building quality. At the same time, it reduces the noise, dust and other pollution caused by on-site construction. In order to connect the prefabricated components, tools are needed to connect the steel bars between the prefabricated components so that the two prefabricated components are connected together, so as to continuously assemble them until the required prefabricated components are installed.

[0003] Traditional steel bar connection structures still use binding connection and welding connection. The binding operation requires a lot of manpower and is inefficient in the large-scale production and rapid assembly of prefabricated components. This requires a large amount of manpower to bind the steel bars. Although welding connections can provide higher connection strength, they require higher skills from construction workers. In addition, welding operations may generate sparks and pose safety hazards. In addition, workers need to hold welding tools continuously for a long time during welding. The work intensity and welding quality continue to decrease as the working time increases. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide a steel bar connection structure for prefabricated components.

[0005] The technical solution adopted to solve the above technical problems is: a steel bar connection structure of a prefabricated component, comprising two cylinders, the outer ends of the two cylinders are rotatably connected with access pipes, the interiors of the two access pipes are provided with a plurality of mounting holes, the interiors of the plurality of mounting holes are rotatably connected with balls, and the interiors of the two cylinders are provided with clamping mechanisms;

[0006] The inner ends of the two cylinders are each provided with a first limiting sliding groove, the insides of the two cylinders are each fixedly connected with a fixing ring, the inner ends of the two fixing rings are each provided with a second limiting sliding groove, and a plurality of fastening screws are rotatably connected between the two fixing rings and the two cylinders;

[0007] An auxiliary mechanism is arranged between the two cylinders.

[0008] Furthermore, the plurality of mounting holes are distributed on the inner wall of the access pipe.

[0009] Through the above technical solution, multiple evenly distributed installation holes can evenly distribute the force on the inner wall of the access tube. No matter from which angle the steel bar is inserted into the access tube, the ball inside the access tube will guide the steel bar into the interior of the cylinder for subsequent work.

[0010] Furthermore, the clamping mechanism includes a fixed tube fixedly connected to the inside of the cylinder, the outer end of the fixed tube is provided with a guide port, the inside of the fixed tube is provided with a plurality of mounting grooves, the inside of the plurality of mounting grooves are fixedly connected with springs, the other ends of the plurality of springs are fixedly connected with sliding blocks, and a clamping tube is fixedly connected between every two sliding blocks.

[0011] Through the above technical solution, after the steel bar enters the clamping mechanism through the access tube, it will first contact the guide port at the outer end of the fixed tube. The guide port plays a role of preliminary positioning and guiding, similar to the opening of a funnel, which can make it easier for the object to enter the center position of the clamping mechanism. When the object enters the fixed tube, it will contact the clamping tube. As the object is further inserted, the clamping tube will be pushed outward. Since the clamping tube is fixedly connected between every two sliding blocks, the external force on the clamping tube will be transmitted to the sliding block. The sliding block is connected to the spring in the mounting groove. Under the action of external force, the sliding block will slide outward in the mounting groove. At this time, the spring is compressed, and the direction of the elastic force generated by the spring is opposite to the sliding direction of the sliding block, that is, it will generate a pulling force toward the center on the sliding block. This adaptive clamping method can adapt to objects of different sizes and improve the versatility of the clamping mechanism.

[0012] Furthermore, the outer wall of the guide port is coated with a wear-resistant ceramic coating.

[0013] Through the above technical solution, in the process of clamping objects such as steel bars, the objects frequently contact and rub against the guide opening. The hardness of the wear-resistant ceramic coating is much higher than that of ordinary materials, and it can withstand such repeated friction without being easily worn. Compared with the guide opening that is not coated with the wear-resistant ceramic coating, the service life of the coated guide opening will be greatly extended, reducing the cost and time of frequent replacement or repair due to wear.

[0014] Furthermore, the auxiliary mechanism includes a sliding ring rotating between two cylinders, a first limit ring and a second limit ring are fixedly connected to both sides of the sliding ring, a fixed block is fixedly connected to the outer wall of the sliding ring, a plug hole is provided on the top of the fixed block, a switch button is installed on the top of the fixed block, a high-pressure gas cylinder is installed on the top of the fixed block, a pressure reducing valve and a flow regulating valve corresponding to the high-pressure gas cylinder are respectively installed inside the fixed block, a nozzle is fixedly connected to the inner wall of the sliding ring, and a connecting wire is fixedly connected between the flow regulating valve and the switch button.

[0015] Through the above technical solution, when the target steel bar is clamped and connected, the sliding ring is rotated by controlling the fixed block. After it is turned to the appropriate position, the construction personnel can insert the welding gun with the welding rod into the socket hole to make the welding rod contact the contact point of the steel bar for welding. The high-pressure gas cylinder is started by pressing the switch button to spray protective gas to the welding point, and the welding position is adjusted by continuously rotating the sliding ring, which is convenient for the construction personnel to carry out multi-directional welding.

[0016] Furthermore, the first limiting ring fits with the corresponding first limiting sliding groove, and the second limiting ring fits with the corresponding second limiting sliding groove.

[0017] Through the above technical solution, this fitting method can accurately limit the displacement of the sliding ring in the axial direction, ensuring that the auxiliary mechanism works stably within a preset position range.

[0018] Furthermore, the high-pressure gas cylinder is connected to the fixing block by threads.

[0019] Through the above technical solution, the threaded connection method is adopted, which makes it easy to operate the high-pressure gas cylinder when it is installed on the fixed block. The operator only needs to align the bottle mouth thread of the high-pressure gas cylinder with the corresponding thread on the fixed block, and then install it by rotating the high-pressure gas cylinder. This installation method does not require complicated tools or special equipment, and the installation can be completed quickly even in more complicated environments such as construction sites.

[0020] Furthermore, the high-pressure gas cylinder is filled with argon-carbon dioxide mixed gas.

[0021] Through the above technical solution, argon is an inert gas that can provide a stable arc environment during the welding process. When mixed with carbon dioxide, the arc burns more stably due to the presence of argon, reducing the fluttering and flickering of the arc. For common metal materials such as carbon steel and low-alloy steel, the argon-carbon dioxide mixed gas can play a good protective role and provide suitable welding conditions.

[0022] The beneficial effects of the present invention are as follows: (1) The present invention designs an auxiliary mechanism and controls the moving block to slide the sliding ring. The construction personnel only need to insert the welding gun into the plug-in hole to weld the joint. The construction personnel only need to slide the sliding ring to weld different positions of the steel bar joint. The operation is simple and quick. The construction personnel no longer need to hold the welding gun to weld the steel bars, thereby improving the quality and efficiency of welding. (2) The present invention designs a clamping mechanism. When the target steel bar enters the mechanism, a plurality of clamping tubes will clamp the steel bar. When the size of the steel bar changes, the clamping tubes will clamp the steel bar under the change of the elastic force of the spring. This adaptive characteristic can ensure that a stable clamping force can be provided for objects of different diameters, ensuring that the position of the object is fixed during the working process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a stereogram of the present invention;

[0024] Figure 2 for Figure 1 A transverse cross-sectional view of

[0025] Figure 3 It is a schematic diagram of the access pipe structure of the present invention;

[0026] Figure 4 is a schematic diagram of the clamping mechanism of the present invention;

[0027] Figure 5 It is a schematic diagram of the spring structure of the present invention;

[0028] Figure 6 It is a schematic diagram of the fastening screw structure of the present invention;

[0029] Figure 7 It is a schematic diagram of the fixing ring structure of the present invention;

[0030] Figure 8 is a schematic diagram of the auxiliary mechanism of the present invention;

[0031] Fig. 9 It is a schematic diagram of the internal structure of the fixing block of the present invention.

[0032] 1004. The invention relates to a cylinder having a plurality of first and second limit switches, and a plurality of first and second limit switches. The plurality of first and second limit switches are connected to each other via a plurality of connecting rods. The plurality of first and second limit switches are connected via a plurality of connecting rods. The plurality of first and second limit switches are connected via a plurality of connecting rods. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0034] like Figure 1 - Figure 3 As shown, a steel bar connection structure of a prefabricated component in this embodiment includes two cylinders 1, the outer ends of the two cylinders 1 are rotatably connected to access pipes 2, and multiple mounting holes 3 are opened inside the two access pipes 2. The multiple mounting holes 3 are evenly distributed on the inner wall of the access pipe 2. The multiple evenly distributed mounting holes 3 can make the force evenly distributed on the inner wall of the access pipe 2. No matter from which angle the steel bar is inserted into the access pipe 2, the ball 4 inside the access pipe 2 will guide the steel bar into the interior of the cylinder 1 for subsequent work, and the interiors of the multiple mounting holes 3 are rotatably connected to the ball 4.

[0035] like Figure 4 and Figure 5As shown, a clamping mechanism 5 is provided inside the two cylinders 1, and the clamping mechanism 5 includes a fixed tube 501 fixedly connected to the inside of the cylinder 1, and a guide port 502 is provided at the outer end of the fixed tube 501, and the outer wall of the guide port 502 is coated with a wear-resistant ceramic coating. In the process of clamping objects such as steel bars, the objects frequently contact and rub against the guide port 502. The hardness of the wear-resistant ceramic coating is much higher than that of ordinary materials, and it can withstand such repeated friction and is not easy to wear. Compared with the guide port 502 not coated with the wear-resistant ceramic coating, the service life of the coated guide port 502 will be greatly extended, reducing the cost and time of frequent replacement or maintenance due to wear. A plurality of mounting grooves 503 are provided inside the fixed tube 501, and springs 504 are fixedly connected inside the plurality of mounting grooves 503, and sliding blocks 505 are fixedly connected at the other ends of the plurality of springs 504, and a clamping tube 506 is fixedly connected between every two sliding blocks 505. When the steel bar passes through the access tube 2 and enters the clamping mechanism 5, it will first contact the guide opening 502 at the outer end of the fixed tube 501. The guide opening 502 plays a role of preliminary positioning and guiding, similar to the opening of a funnel, which can make it easier for the object to enter the center position of the clamping mechanism 5. When the object enters the fixed tube 501, it will contact the clamping tube 506. As the object is further inserted, the clamping tube 506 will be pushed outward. Since the clamping tube 506 is fixedly connected between every two sliding blocks 505, the external force on the clamping tube 506 will be transmitted to the sliding block 505. The sliding block 505 is connected to the spring 504 in the installation groove 503. Under the action of the external force, the sliding block 505 will slide outward in the installation groove 503. At this time, the spring 504 is compressed. The direction of the elastic force generated by the spring 504 is opposite to the sliding direction of the sliding block 505, that is, it will generate a pulling force toward the center on the sliding block 505. This adaptive clamping method can adapt to objects of different sizes, thereby improving the versatility of the clamping mechanism 5.

[0036] like Figure 6 and Figure 7 As shown, a first limiting groove 6 is provided at the inner end of the two cylinders 1, a fixing ring 7 is fixedly connected inside the two cylinders 1, a second limiting groove 8 is provided at the inner end of the two fixing rings 7, and a plurality of fastening screws 9 are rotatably connected between the two fixing rings 7 and the two cylinders 1.

[0037] like Figure 8 and Fig. 9As shown, an auxiliary mechanism 10 is arranged between the two cylinders 1, and the auxiliary mechanism 10 includes a sliding ring 1001 rotating between the two cylinders 1, and the two sides of the sliding ring 1001 are respectively fixedly connected with a first limiting ring 1002 and a second limiting ring 1003, the first limiting ring 1002 is fitted with the corresponding first limiting groove 6, and the second limiting ring 1003 is fitted with the corresponding second limiting groove 8. This fitting method can accurately limit the displacement of the sliding ring 1001 in the axial direction, ensuring that the auxiliary mechanism 10 works stably within a preset position range, and the outer wall of the sliding ring 1001 is fixedly connected with a fixed block 1004, and the fixed block The top of the fixing block 1004 is provided with a plug hole 1005, the top of the fixing block 1004 is provided with a switch button 1006, the top of the fixing block 1004 is provided with a high-pressure gas cylinder 1007, and the high-pressure gas cylinder 1007 is connected to the fixing block 1004 by threaded connection. The threaded connection method makes it easy to operate the high-pressure gas cylinder 1007 when it is installed on the fixing block 1004. The operator only needs to align the bottle mouth thread of the high-pressure gas cylinder 1007 with the corresponding thread on the fixing block 1004, and then install it by rotating the high-pressure gas cylinder 1007. This installation method does not require complicated tools or special equipment, and can be used even in complex places such as construction sites. The installation can be completed quickly even in an environment. The high-pressure gas cylinder 1007 is installed with an argon-carbon dioxide mixed gas. Argon is an inert gas that can provide a stable arc environment during welding. When mixed with carbon dioxide, the arc burns more stably due to the presence of argon, reducing the arc's fluttering and flickering. For common metal materials such as carbon steel and low-alloy steel, the argon-carbon dioxide mixed gas can play a good protective role and provide suitable welding conditions. The fixed block 1004 is respectively installed with a pressure reducing valve 1008 and a flow regulating valve 1009 corresponding to the high-pressure gas cylinder 1007. The inner wall of the sliding ring 1001 is solid. A nozzle 1010 is fixedly connected, and a connecting wire 1011 is fixedly connected between the flow regulating valve 1009 and the switch button 1006. When the target steel bar is clamped and connected, the sliding ring 1001 is rotated by holding the fixed block 1004. After it is turned to the appropriate position, the construction personnel can insert the welding gun with the welding rod into the socket hole 1005 to make the welding rod contact the contact point of the steel bar for welding, and start the high-pressure gas cylinder 1007 by pressing the switch button 1006 to spray protective gas to the welding point, and provide continuous rotation of the sliding ring 1001 to adjust the welding position, so as to facilitate the construction personnel to carry out multi-directional welding.

[0038] The working principle of this embodiment is as follows. After the staff completes the installation of the device and ensures that the auxiliary mechanism 10 can rotate freely, the staff inserts the two target steel bars into the cylinder 1 through the access tube 2 respectively. No matter from which angle the steel bars are inserted into the access tube 2, the ball 4 inside the access tube 2 will guide the steel bars into the cylinder 1. After the steel bars pass through the access tube 2 and enter the clamping mechanism 5, they will first contact the guide port 502 at the outer end of the fixed tube 501. The guide port 502 plays a role of preliminary positioning and guiding, similar to the opening of a funnel, which can make it easier for the object to enter the center position of the clamping mechanism 5. When the object enters the fixed tube 501, it will contact the clamping tube 506. As the object is further inserted, the clamping tube 506 will adapt to the size of the steel bar and tightly wrap the steel bar so that the steel bar is in the center until it is docked.

[0039] After completing the clamping and docking work, the sliding ring 1001 is rotated by holding the fixed block 1004. After it is turned to the appropriate position, the construction personnel can insert the welding gun with the welding rod into the socket hole 1005, so that the welding rod contacts the contact point of the steel bar, and weld. The high-pressure gas cylinder 1007 is started by pressing the switch button 1006 to spray protective gas to the welding point, and the sliding ring 1001 is continuously rotated to adjust the welding position, so as to facilitate the construction personnel to carry out multi-directional welding. After completing the welding work, the welding rod and the welding gun are removed, the supply of the high-pressure gas cylinder 1007 is turned off, and the entire device is slid out to carry out the next cycle of steel bar butt welding.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A steel bar connection structure of a prefabricated component, comprising two cylinders (1), characterized in that: The outer ends of the two cylinders (1) are rotatably connected to access tubes (2), the interiors of the two access tubes (2) are provided with a plurality of mounting holes (3), the interiors of the plurality of mounting holes (3) are rotatably connected to balls (4), and the interiors of the two cylinders (1) are provided with clamping mechanisms (5); The inner ends of the two cylinders (1) are each provided with a first limiting sliding groove (6), the interiors of the two cylinders (1) are each fixedly connected with a fixing ring (7), the inner ends of the two fixing rings (7) are each provided with a second limiting sliding groove (8), and a plurality of fastening screws (9) are rotatably connected between the two fixing rings (7) and the two cylinders (1); An auxiliary mechanism (10) is arranged between the two cylinders (1).

2. The steel bar connection structure of prefabricated components according to claim 1, characterized in that: The plurality of mounting holes (3) and the like are distributed on the inner wall of the access pipe (2).

3. The steel bar connection structure of prefabricated components according to claim 1, characterized in that: The clamping mechanism (5) comprises a fixed tube (501) fixedly connected to the inside of the cylinder (1); the outer end of the fixed tube (501) is provided with a guide port (502); the inside of the fixed tube (501) is provided with a plurality of mounting grooves (503); the insides of the plurality of mounting grooves (503) are fixedly connected with springs (504); the other ends of the plurality of springs (504) are fixedly connected with sliding blocks (505); and a clamping tube (506) is fixedly connected between every two sliding blocks (505).

4. The steel bar connection structure of prefabricated components according to claim 3, characterized in that: The outer wall of the guide port (502) is coated with a wear-resistant ceramic coating.

5. The steel bar connection structure of prefabricated components according to claim 1, characterized in that: The auxiliary mechanism (10) comprises a sliding ring (1001) rotating between two cylinders (1), a first limiting ring (1002) and a second limiting ring (1003) being fixedly connected to both sides of the sliding ring (1001), a fixing block (1004) being fixedly connected to the outer wall of the sliding ring (1001), a plug hole (1005) being provided on the top of the fixing block (1004), and a switch button (1006) being installed on the top of the fixing block (1004). 1006), a high-pressure gas cylinder (1007) is installed on the top of the fixed block (1004), a pressure reducing valve (1008) and a flow regulating valve (1009) corresponding to the high-pressure gas cylinder (1007) are installed inside the fixed block (1004), a nozzle (1010) is fixedly connected to the inner wall of the sliding ring (1001), and a connecting wire (1011) is fixedly connected between the flow regulating valve (1009) and the switch button (1006).

6. The steel bar connection structure of prefabricated components according to claim 5, characterized in that: The first limiting ring (1002) fits in with the corresponding first limiting sliding groove (6), and the second limiting ring (1003) fits in with the corresponding second limiting sliding groove (8).

7. The steel bar connection structure of prefabricated components according to claim 5, characterized in that: The high-pressure gas cylinder (1007) is connected to the fixing block (1004) by means of threads.

8. The steel bar connection structure of prefabricated components according to claim 7, characterized in that: The high-pressure gas cylinder (1007) is filled with argon-carbon dioxide mixed gas.

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