A wind blocking device for prestressed concrete pipe pile welding
By combining the supporting frame and the fireproof cotton windproof cover, the inconvenience of traditional windbreaks in typhoon areas is solved, achieving efficient wind protection and smoke and dust discharge, and improving the efficiency and safety of prestressed concrete pipe pile welding and splicing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA CONSTR THIRD BUREAU GRP (HAINAN) CO LTD
- Filing Date
- 2023-03-06
- Publication Date
- 2026-04-24
AI Technical Summary
In typhoon-prone coastal areas, traditional windbreaks are inconvenient to erect, dismantle, and move, and the poor site conditions result in low efficiency in welding and splicing prestressed concrete pipe piles, affecting the construction period.
Design a windbreak device that includes a support frame, support rods, and a fireproof cotton windbreak cover. The device uses hexagonal plum-head bolts to lock the column and screws to screw in and out, adapting to the diameter of the pipe pile. Combined with a roller mechanism, the position of the windbreak cover is adjusted to form a semi-enclosed welding construction space.
It achieves easy loading and unloading, convenient movement, and can adjust the position of the windshield according to the wind direction, improve welding efficiency, timely discharge of smoke and harmful gases, improve the working environment, and reduce the construction period.
Smart Images

Figure CN116252076B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of engineering construction technology, and in particular to a windbreak device for welding and splicing prestressed concrete pipe piles. Background Technology
[0002] Areas near the coast are prone to typhoons, and wind speeds often exceed the environmental requirements for welding operations. Therefore, appropriate wind protection measures must be taken, with the traditional measure being the construction of windbreaks.
[0003] 1. As disclosed in Chinese Patent No. CN112192097B, a portable foldable windbreak for connecting piles includes a first baffle; a second baffle, one side of which is rotatably connected to one side of the first baffle; a third baffle, one side of which is rotatably connected to the other side of the second baffle; a fourth baffle, one side of which is rotatably connected to the other side of the third baffle; and a fixing mechanism, which consists of multiple mechanisms corresponding to each baffle and fixedly installed at the lower end of each baffle. The first, second, third, and fourth baffles each include a connecting frame with a rectangular frame structure and a connecting plate fixed within the rectangular frame structure of the connecting frame. The upper end of the second air guide plate of the connecting plate and the connecting frame form an air guide window, and an air guide channel is formed between the first air guide plate and the second air guide plate. This solution has a good windproof effect, is not prone to lateral displacement, and can guide a certain amount of airflow, so as not to interfere with the welding operation and disperse the irritating gas generated during the welding process.
[0004] 2. A PHC pipe pile splice welding windbreak plate (publication number CN214444064U) includes an arc-shaped windbreak plate installed in a frame. Support legs are provided on both sides and in the middle of the frame, and a traveling wheel is provided at the bottom of the frame. Each support leg includes a sleeve and a core tube. A steel drill sleeve is fixedly connected to the lower end of the core tube, and a ground-inserting steel drill is fixed in the steel drill sleeve. The upper end of the core tube is inserted into the sleeve, and several locking nuts are evenly provided in the overlapping portion of the core tube and the sleeve. The upper end of the sleeve is connected to the frame. The traveling wheel includes a caster, a support plate, a ball bearing shaft, and a connecting plate. The caster is installed at the lower end of the support plate, and the ball bearing shaft is installed at the upper end of the support plate. The upper side of the ball bearing shaft is connected to the connecting plate. The connecting plate is fixed to the bottom of the keel. The windbreak plate is not only easy to fix, but also more stable with three-point fixing, and the traveling wheel facilitates the movement of the device.
[0005] However, some projects have a large number of prestressed concrete pipe piles and a wide distribution area, making it inconvenient to erect, dismantle, and move windbreaks. In addition, some projects have poor site conditions, making it difficult to fix the windbreaks and easy for them to tip over. In coastal areas where typhoons are frequent, inadequate wind protection measures will greatly affect the efficiency of welding and splicing prestressed concrete pipe piles, thereby affecting the construction period.
[0006] Therefore, it is necessary to propose a windbreak device for welding and splicing prestressed concrete pipe piles. Summary of the Invention
[0007] In view of the shortcomings of the prior art, the purpose of this invention is to provide a windbreak device for welding and splicing prestressed concrete pipe piles to solve the above problems.
[0008] A windbreak device for welding and splicing prestressed concrete pipe piles includes a support frame, support rods, and a fireproof cotton windbreak cover. The support frame includes a left ring and a right ring, both ends of which are provided with holes. One end of the left ring 1 is movably connected to one end of the right ring 2 by a hollow bolt 4. The other ends of the left and right rings are locked together by hexagonal plum-head bolts 5 to form a closed ring. The upper circumference of the ring is provided with several threaded holes, through which the support rods pass. A guide rail is provided in the lower inner part of the ring, and several roller mechanisms are provided on the guide rail. The lower part of the roller mechanisms is connected to the fireproof cotton windbreak cover. The fireproof cotton windbreak cover is fitted with several vertically distributed reinforcing rods, the bottom of which is connected to a counterweight. The roller mechanism includes rollers, T-shaped rods, and metal ring buckles. The upper ends of the T-shaped rods are connected to the rollers, and the metal ring buckles are connected to the lower ends of the T-shaped rods.
[0009] Preferably, the roller is covered with a rubber protective layer.
[0010] Preferably, the fireproof cotton windproof cover 11 has several round holes on its upper part, and air holes 12 are fastened to the round holes.
[0011] Preferably, the support rod includes a screw, a hexagonal nut, a guide sleeve, and a pressure plate. The screw is threaded into a threaded hole, one end of the screw is connected to the hexagonal nut, and the other end of the screw is connected to the guide sleeve via a bearing. The guide sleeve is bolted to the pressure plate.
[0012] Preferably, a cylindrical helical compression spring is provided inside the guide sleeve, and a cover plate is provided at the connection between the screw and the guide sleeve.
[0013] Preferably, the outer end face of the pressure plate is connected to an anti-slip rubber pad.
[0014] Preferably, the anti-slip pad has a triangular pattern.
[0015] Preferably, the outer side of the fireproof cotton windshield is covered with a waterproof layer, and the inner side of the fireproof cotton windshield is covered with a layer of fireproof cotton.
[0016] Preferably, the lower two corners of the fireproof cotton windshield are provided with through holes.
[0017] Preferably, the through hole is fitted with a fixing ring, and the fixing ring is fixed to the platform frame by a connecting rope.
[0018] Compared with the prior art, the present invention has the following advantages:
[0019] 1. This invention uses a rotating hexagonal plumb bob bolt to open the support frame. Based on the height of the welding operator, the device is attached to the corresponding position on the prestressed concrete pipe pile and secured with the hexagonal plumb bob bolt. Then, the screw is screwed in and out to adapt to the diameter of the prestressed concrete pipe pile. Continuing to screw in the screw compresses the cylindrical helical compression spring, which deforms under pressure, providing axial return force. This allows the device to better adhere to the prestressed concrete pipe pile. Finally, a roller mechanism adjusts the position of the fireproof cotton windproof cover according to the wind direction, forming a semi-enclosed welding construction space to achieve a windproof effect.
[0020] 2. This invention is easy to load and unload, and convenient to move. Because it is attached to the prestressed concrete pipe pile, it does not require specific site conditions. The position of the fireproof cotton windproof cover can be changed according to the wind direction, which also increases the mobility of this invention. The semi-enclosed welding construction space not only serves as a windbreak, but also allows for the timely discharge of welding fumes and harmful gases, thereby improving the working environment. In coastal areas where there are many windy days, it can effectively improve the efficiency of welding and splicing prestressed concrete pipe piles, thereby reducing the construction period. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 and Figure 2 This is a structural diagram of a windbreak device for welding and splicing prestressed concrete pipe piles according to an embodiment of the present invention;
[0023] Figure 3 This is a top view of the original invention;
[0024] Figure 4 This is a schematic diagram of the activity of the present invention;
[0025] Figure 5 This is a front view of the supporting frame and fireproof cotton windshield of the present invention;
[0026] Figure 6 This is a top view of the supporting frame and fireproof cotton windshield of the present invention;
[0027] Figure 7 yes Figure 4 AA cross-section view;
[0028] Figure 8This is a structural diagram of the roller mechanism of the present invention;
[0029] Figure 9 and Figure 10 This is a structural diagram of the support rod of the present invention;
[0030] Figure 11 This is a structural diagram of the pressure plate of the present invention;
[0031] Figure 12 yes Figure 9 A schematic diagram of the cross-section of BB;
[0032] Figure 13 yes Figure 10 A schematic diagram of the CC section;
[0033] Figure 14 yes Figure 11 Schematic diagram of the DD cross section;
[0034] Figure 15 This is a schematic diagram of the support rod of the present invention in its unfolded state;
[0035] Figure 16 This is a schematic diagram showing the connection between one end of the left ring and the right ring of the present invention;
[0036] Figure 17 This is a schematic diagram showing the connection between the other ends of the left and right rings of the present invention;
[0037] Figure 18 This is a schematic diagram of the windbreak device for connecting piles according to the present invention installed on the pipe piles;
[0038] Figure 19 This is a cross-sectional structural diagram of the fireproof cotton windshield cover of the present invention.
[0039] Reference numerals: 1. Left ring; 2. Right ring; 3. Bolt; 4. Hollow bolt; 5. Hexagonal plumb bob bolt; 6. Nut; 7. Roller; 8. Rubber protective layer; 9. T-bar; 10. Metal ring buckle; 11. Fireproof cotton windproof cover; 12. Air vent buckle; 13. Screw; 14. Hexagonal plumb bob nut; 15. Bearing; 16. Cylindrical helical compression spring; 17. Guide sleeve; 18. Cover ring; 19. Bolt; 20. Pressure plate; 21. Anti-slip rubber pad; 22. Guide rail; 23. Circular ring; 24. Threaded hole; 25. Roller mechanism; 26. Reinforcing rod; 27. Counterweight bar; 28. Waterproof layer; 29. Fireproof cotton; 30. Support frame; 31. Through hole; 32. Fixing ring; 33. Connecting rope; 34. Platform frame; 40. Support rod; 50. Prestressed concrete pipe pile. Detailed Implementation
[0040] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.
[0041] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.
[0042] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0043] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.
[0044] like Figure 1 and combined Figures 2 to 19 As shown, a windbreak device for welding and splicing prestressed concrete pipe piles includes a support frame 30, support rods 40, and a fireproof cotton windbreak cover 50. The support frame 30 includes a left ring 1 and a right ring 2, both ends of which are provided with holes. One end of the left ring 1 and one end of the right ring 2 are movably connected by a hollow bolt 4. The other ends of the left ring 1 and the right ring 2 are locked together by hexagonal plum-head bolts 5 to form a closed circular ring 23. The upper circumference of the ring 23 has several threaded holes 24. The support rod 40 passes through the threaded holes 24 of the ring 23. The lower inner part of the ring 23 has a guide rail 22 with several roller mechanisms 25. The lower part of the roller mechanisms 25 is connected to the fireproof cotton windproof cover 11. The fireproof cotton windproof cover 11 is fitted with several vertically distributed reinforcing rods 26. The bottom of the reinforcing rods 26 is connected to a counterweight 27. The reinforcing rods 26 and the counterweight 27 can prevent the fireproof cotton windproof cover 11 from being blown over in strong winds.
[0045] Furthermore, the roller mechanism 25 includes a roller 7, a T-shaped rod 9, and a metal ring 10. The upper two ends of the T-shaped rod 9 are connected to the roller 7, and the metal ring 10 is connected to the lower end of the T-shaped rod 9.
[0046] Furthermore, the roller 7 is covered with a rubber protective layer 8.
[0047] Furthermore, the fireproof cotton windproof cover 11 has several round holes on its upper part, and air holes 12 are fastened to the round holes.
[0048] Furthermore, the support rod 40 includes a screw 13, a hexagonal nut 14, a guide sleeve 17, and a pressure plate 20. The screw 13 is threadedly connected to the threaded hole 24. One end of the screw 13 is connected to the hexagonal nut 14, and the other end of the screw 13 is connected to the guide sleeve 17 via a roller 7. The guide sleeve 17 is bolted to the pressure plate 20.
[0049] Furthermore, a cylindrical helical compression spring 16 is provided inside the guide sleeve 17, and a cover ring 18 is provided at the connection between the screw 13 and the guide sleeve 17.
[0050] Furthermore, the outer end face of the pressure plate 20 is connected to an anti-slip rubber pad 21.
[0051] Furthermore, the anti-slip pad 21 has a triangular pattern.
[0052] Furthermore, the outer side of the fireproof cotton windshield cover 11 is covered with a waterproof layer 28, and the inner side of the fireproof cotton windshield cover 11 is covered with a layer of fireproof cotton 29.
[0053] Furthermore, the lower two corners of the fireproof cotton windproof cover 11 are provided with through holes 31.
[0054] Furthermore, a fixing ring 32 is fitted around the through hole 31, and the fixing ring 32 is fixed to the platform frame 34 by a connecting rope 33. The lower part of the fireproof cotton windproof cover 11 is fixed to the platform frame 34 by a connecting rope 33, further preventing the fireproof cotton windproof cover 11 from being affected by strong winds.
[0055] Compared with the prior art, the present invention has the following advantages:
[0056] 1. The present invention rotates the hexagonal plumb head bolt 5 to open the support frame 30. According to the height of the welding operator, the device is fastened to the corresponding position of the prestressed concrete pipe pile 50 and locked with the hexagonal plumb head bolt 5. Then, the screw 13 is screwed in and out to adapt to the diameter of the prestressed concrete pipe pile 50. Then, the screw 13 is screwed in to compress the cylindrical spiral compression spring 16. The cylindrical spiral compression spring 16 is deformed under pressure, providing axial return force, so that the device can better attach to the prestressed concrete pipe pile 50. Finally, the position of the fireproof cotton windproof cover 11 is adjusted according to the wind direction by the roller mechanism 25 to form a semi-enclosed welding construction space to achieve the effect of wind protection.
[0057] 2. This invention is easy to load and unload, and easy to move. Because it is attached to the prestressed concrete pipe pile 50, it does not require specific site conditions. The position of the fireproof cotton windproof cover 11 can be changed according to the wind direction, which also increases the mobility of this invention. The semi-enclosed welding construction space not only serves as a windbreak, but also allows for the timely discharge of welding fumes and harmful gases, thereby improving the working environment. In coastal areas where there are many windy days, it can effectively improve the efficiency of welding and splicing of prestressed concrete pipe piles 50, thereby reducing the construction period.
[0058] The roller 7 is covered with a rubber protective layer 8, which increases the roughness of the roller surface, thereby increasing the friction and avoiding the risk of the roller slipping during movement. The metal ring 10 passes through the air hole buckle 12 and is connected to the fireproof cotton windproof cover 11. Therefore, when the fireproof cotton windproof cover is damaged, the metal ring 10 can be opened and replaced freely.
[0059] The support rod includes a screw 13, which has external threads at both ends and in the middle. The end with the larger cross-sectional diameter is connected to a hexagonal nut 14, and the middle part is connected to the support frame. The end with the smaller cross-sectional diameter is connected to a bearing 15. The bearing 15 has a raised bottom and is connected to a cylindrical helical compression spring 16. The cylindrical helical compression spring 16 is installed in a guide sleeve 17. The spring is fixed by a raised bottom part inside the guide sleeve 17, and one end is covered with a cover ring 18. The other end has four holes and is connected to a pressure plate 20 with bolts 19. The side of the pressure plate 20 has a convex hole, and an anti-slip pad 21 is fixed to the pressure plate 20 through the convex hole. The anti-slip pad 21 has a triangular pattern.
[0060] The screw 13 can be screwed in and out to adapt to the diameter of the prestressed concrete pipe pile 50, with an adjustment range of 270-620mm. This is suitable for most commonly used prestressed concrete pipe piles 50. After the support member adapts to the diameter of the prestressed concrete pipe pile, the screw 13 can be screwed in further to compress the cylindrical helical compression spring 16. The cylindrical helical compression spring 16 deforms under pressure, providing axial pressure, allowing the device to better adhere to the prestressed concrete pipe pile. A convex hole is pre-drilled on the side of the pressure plate 20, through which the anti-slip pad 21 is fixed. Therefore, the anti-slip pad 21 can be freely replaced when worn. Furthermore, the triangular texture of the anti-slip pad 21 increases friction.
[0061] The four nuts, three long rods, and two short rods in the left ring 1 and right ring 2 are a whole, while the semi-circular square tube at the bottom is made separately and welded to the bottom of the four nuts.
[0062] The left ring 1 and right ring 2 are made by welding, which increases the overall integrity of the support frame. The long rod is designed to be flat, which reduces the self-weight of the support frame to the greatest extent. The welded parts at both ends of the long rod are designed as flanges, which can increase its shear resistance.
[0063] Holes are pre-drilled at both ends of the left ring 1 and the right ring 2. One-third of the upper and lower parts of the pre-drilled hole at one end of the left ring 1 are cut off, and one-third of the middle part of the pre-drilled hole at the other end is cut off. The pre-drilled holes at both ends of the right ring 2 are drilled in the opposite way to those of the left ring 1. The hexagonal plumb bob bolt 5 passes through the pre-drilled holes of the left ring 1 and the right ring 2, and is then fixed with a nut 6 to lock the left ring 1 and the right ring 2. This method of pre-drilling holes makes the left ring 1 and the right ring 2 completely identical, which is convenient for manufacturing.
[0064] The semi-circular square tube is closed at one end and open at the other, and is designed with a toothed shape. Two semi-circular guide rails protrude from the bottom inside the semi-circular square tube. A semi-circular notch is provided in the middle of the rubber protective layer 8 to accommodate the guide rails. The bearing 7 has protrusions at the upper and lower parts. The T-shaped rod 9 has grooves at both ends where it connects to the bearing 7. The fireproof cotton windshield cover 11 has a vertical length of two meters and a horizontal length half the circumference of the ring. Four air holes 12 are evenly distributed on its upper part, and it is connected to four sets of rollers via metal ring buckles 10 and the T-shaped rod 9.
[0065] In practical applications, rotating the hexagonal plumb head bolt 5 opens the support frame. The toothed shape at one end of the semi-circular square tube opening increases the overall integrity of the connection between the two square tube sections. The two semi-circular guide rails protruding from the bottom of the semi-circular square tube are adapted to the semi-circular notch in the middle of the rubber protective layer 8, allowing the roller to roll along a certain track. The fireproof cotton windshield 11 is only half the circumference of the ring and can be adjusted according to the wind direction, saving materials.
[0066] The device is attached to the corresponding position of the prestressed concrete pipe pile 50 according to the height of the welding operator, and locked with hexagonal plumb bob bolts 5. Then, the screw 13 is screwed in and out to adapt to the diameter of the prestressed concrete pipe pile 50. Next, the screw is screwed in to compress the cylindrical helical compression spring 16. The cylindrical helical compression spring 16 is deformed under pressure, providing axial return force, so that the device can be better attached to the prestressed concrete pipe pile 50. Finally, the position of the fireproof cotton windproof cover 11 is adjusted according to the wind direction by the roller mechanism 25 to form a semi-enclosed welding construction space to achieve the effect of wind protection.
[0067] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.
Claims
1. A windbreak device for welding and splicing prestressed concrete pipe piles, characterized in that: The device includes a support frame (30), support rods (40), and a fireproof cotton windproof cover (11). The support frame (30) includes a left ring (1) and a right ring (2). Both ends of the left ring (1) and the right ring (2) are provided with holes. One end of the left ring (1) is movably connected to one end of the right ring (2) by a hollow bolt (4). The other ends of the left ring (1) and the right ring (2) are locked together by a hexagonal plum-head bolt (5) to form a closed ring (23). The upper circumference of the ring (23) is provided with several threaded holes (24). The support rods (40) pass through the threaded holes (24) of the ring (23). The lower inner part of the ring (23) is provided with a guide rail (22). The guide rail (22) is provided with several roller mechanisms (25). The lower part of the roller mechanism (25) is connected to the fireproof cotton windproof cover (11). The fireproof cotton windproof cover (11) is fitted with several vertically distributed reinforcing rods (26), and the bottom of the reinforcing rods (26) is connected to a counterweight strip (27); the roller mechanism (25) includes a roller (7), a T-shaped rod (9) and a metal ring (10), the upper two ends of the T-shaped rod (9) are connected to the roller (7), and the metal ring (10) is connected to the lower end of the T-shaped rod (9); the support rod (40) includes a screw (13), a hexagonal plum blossom nut (14), a guide sleeve (17) and a pressure plate (20), the screw (13) is threaded to the threaded hole (24), one end of the screw (13) is connected to the hexagonal plum blossom nut (14), and the other end of the screw (13) is connected to the guide sleeve (17) through a bearing (15), and the guide sleeve (17) is bolted to the pressure plate (20).
2. The windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 1, characterized in that: The roller (7) is covered with a rubber protective layer (8).
3. The windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 1, characterized in that: The fireproof cotton windproof cover (11) has several round holes on its upper part, and air holes (12) are fastened to the round holes.
4. A windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 1, characterized in that: A cylindrical helical compression spring (16) is provided inside the guide sleeve (17), and a cover ring (18) is provided at the connection between the screw (13) and the guide sleeve (17).
5. A windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 1, characterized in that: The outer end face of the pressure plate (20) is connected to an anti-slip rubber pad (21).
6. A windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 5, characterized in that: The anti-slip pad (21) has a triangular pattern.
7. A windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 1, characterized in that: The outer side of the fireproof cotton windproof cover (11) is covered with a waterproof layer (28), and the inner side of the fireproof cotton windproof cover (11) is covered with a layer of fireproof cotton (29).
8. A windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 1, characterized in that: The fireproof cotton windproof cover (11) has through holes (31) at both lower corners.
9. A windbreak device for welding and splicing prestressed concrete pipe piles as described in claim 8, characterized in that: The through hole (31) is fitted with a fixing ring (32), which is fixed to the platform frame (34) by a connecting rope (33).
Citation Information
Patent Citations
A reusable and portable folding splice windbreak
CN112192097B
Tubular pile gas shield welding windproof device
CN115635171A
Portable windproof cover for high-altitude welding operation
CN211939460U