A hanging basket retreating device for a low tower cable-stayed bridge

Abstract

A kind of low tower cable-stayed bridge hanging basket retreating device, the upper surface of the steel rail is contacted with sliding pile, the lower surface of the sliding pile is fixedly connected with connecting leg, the outer wall left side of the connecting leg is rotatably connected with roller through bearing, the outer wall of the roller is contacted with the outer wall of steel rail, the outer wall front side of the sliding pile is fixedly connected with connecting buckle.The low tower cable-stayed bridge hanging basket special retreating device, when using, several steel rails are spliced, the length can be conveniently adjusted, then the support mechanism is moved by deflecting the first hinged plate, it can be easily moved to the contact position of hanging basket, the top plate is lifted by the working of hydraulic lift, the connecting buckle is moved by external traction device, the position of hanging basket is adjusted, it is convenient to move.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of low tower cable-stayed bridge, in particular to a hanging basket retreating device for low tower cable-stayed bridge. BACKGROUND

[0002] After the closure section construction of the low tower cable-stayed bridge is completed, the hanging basket needs to be removed, but if the removal position is above the operating line, the safety risk during construction is high, which threatens the safety of the operating line, so after the closure of the midspan, the hanging basket needs to be retreated to the range outside the bridge operating line for removal, so as to ensure the safety of the operating line, and meanwhile, the hanging basket needs to be retreated to avoid the stay cable to ensure the safety of the new bridge structure. SUMMARY

[0003] In view of the above problems, the present application provides a hanging basket retreating device for low tower cable-stayed bridge, which achieves the purpose of facilitating the retreat of the hanging basket.

[0004] To achieve the above purpose, the present application is realized by the following technical scheme: a hanging basket retreating device for low tower cable-stayed bridge, comprising a steel rail, the upper surface of the steel rail is in contact with a sliding pile, the lower surface of the sliding pile is fixedly connected with a connecting leg, the outer wall left side of the connecting leg is rotatably connected with a roller through a bearing, the outer wall of the roller is in contact with the outer wall of the steel rail, the outer wall front side of the sliding pile is fixedly connected with a connecting buckle, the left side of the sliding pile is hingedly connected with a first hinged plate, the upper end of the first hinged plate is hingedly connected with a second hinged plate, the lower side of the second hinged plate is hingedly connected with a third hinged plate, and the lower side of the third hinged plate is provided with a supporting mechanism.

[0005] Preferably, the supporting mechanism comprises a sliding block, an exhaust pipe, a spoiler, a sliding plate, a supporting rod, a sliding block, a first fixed block, a second fixed block, a hydraulic elevator, a top plate, an air cylinder, a sealing plate, a connecting leg, a rotating mechanism, the outer wall of the sliding block is in sliding connection with the inner wall of the sliding pile, the upper surface of the sliding block is hinged to the lower side of the third hinged plate, the sliding block is provided with a cavity, the lower side of the exhaust pipe is in communication with the inside of the cavity, the upper side of the exhaust pipe is in communication with the upper side of the sliding block, an opening is formed in the left side of the exhaust pipe, the inner wall of the exhaust pipe is fixedly connected with the right side of the spoiler, the inner cavity wall of the sliding block is in sliding connection with the outer wall of the sliding plate, the lower surface of the sliding plate is fixedly connected with the upper end of the supporting rod, the lower end of the supporting rod is fixedly connected with the outer wall of the sliding block, the lower side of the cavity is in communication with the air pipe, the outer wall of the sliding block is in sliding connection with the inner wall of the air pipe, the right end of the air pipe penetrates through the sliding block, the second fixed block and extends to the middle of the second fixed block and is in communication with the inside of the air cylinder, the left side of the second fixed block is fixedly connected with the outer wall of the sliding block, the outer wall of the second fixed block is fixedly connected with the lower side of the hydraulic elevator, the output rod upper end of the hydraulic elevator is fixedly connected with the outer wall of the top plate, the side wall of the top plate is in sliding connection with the inner wall of the first fixed block, the left side of the first fixed block is fixedly connected with the right side of the outer wall of the sliding block, the outer wall bottom of the air cylinder is fixedly connected with the outer wall of the second fixed block, the inner wall of the air cylinder is in sliding connection with the outer wall of the sealing plate, the upper surface of the sealing plate is fixedly connected with the lower end of the connecting leg, the upper end of the connecting leg penetrates through the air cylinder and extends to the upper side of the air cylinder and is fixedly connected with the lower surface of the top plate, and the rotating mechanism is arranged on the right side of the sliding block.

[0006] Preferably, the rotating mechanism comprises a fixed rod, a clock spring, a rotating drum, a fixed shell, a bent rod, a connecting pipe and a limiting mechanism, the front end and the rear end of the fixed rod are fixedly connected with the outer wall of the sliding block, the outer wall of the fixed rod is connected with the inner wall of the rotating drum through the clock spring, the outer wall of the rotating drum is in sliding connection with the inner wall of the fixed shell, the outer wall of the fixed shell is fixedly connected with the outer wall of the sliding block, the outer wall of the rotating drum is fixedly connected with the left end of the bent rod, the upper end of the connecting pipe is in communication with the inside of the fixed shell, the lower end of the connecting pipe is in communication with the lower side of the sliding plate, and the limiting mechanism is arranged in the inside of the bent rod.

[0007] Preferably, the limiting mechanism comprises a counterweight, a rotating shaft, a clamping block, a plug rod and an elastic rope, the inside of the curved rod is provided with a sliding cavity, the inner wall of the sliding cavity is in sliding connection with the outer wall of the counterweight, the lower side of the sliding cavity is provided with an air groove, the upper side of the air groove is in communication with the right side of the sliding cavity, the outer wall of the plug rod is in sliding connection with the inner wall of the curved rod, the upper end of the plug rod penetrates through the curved rod and extends to the inside of the air groove, the upper end of the plug rod is connected with the upper inner wall of the air groove through the elastic rope, the lower end of the plug rod is fixedly connected with the outer wall of the clamping block, the right inner wall of the clamping block is rotatably connected with the outer wall of the rotating shaft through a bearing, and the rear end and the front end of the rotating shaft are fixedly connected with the outer wall of the curved rod.

[0008] Preferably, the front side of the steel rail is provided with a plug groove, a threaded hole is formed in the right side of the plug groove, and the right side of the plug groove is in communication with the outer side of the steel rail through the threaded hole.

[0009] Preferably, the left side and the right side of the steel rail are both provided with connecting holes.

[0010] Preferably, the right side of the fixed shell is provided with an opening.

[0011] The present application provides a low tower cable-stayed bridge hanging basket retreating device.

[0012] 1. The low tower cable-stayed bridge hanging basket retreating device can be conveniently adjusted in length by splicing several steel rails, and then the supporting mechanism is moved by deflecting the first hinged plate, so that it can be easily moved to the contact position of the hanging basket.

[0013] 2. When the top plate rises, the connecting leg drives the sealing plate to move upwards, the sealing plate discharges the gas in the air cylinder into the air pipe, the sliding block moves upwards, the sliding plate moves upwards, the gas on the upper side of the sliding plate is discharged through the exhaust pipe while making a sound, and the outside is prompted.

[0014] 3. When the sliding plate rises, a larger space is formed between the sliding plate and the sliding block, the connecting pipe inhales air downward, the curved rod deflects, the curved rod can limit the contact position of the hanging basket and the top plate, and the hanging basket is more stable during position adjustment.

[0015] 4. When the curved rod deflects, the counterweight moves, the counterweight extrudes the gas in the sliding cavity into the air groove, the clamping block is raised, and the friction between the curved rod and the contact position of the hanging basket is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0017] Figure 2 is a schematic view of the front cross-sectional structure of the present application;

[0018] Figure 3 is a schematic view of the enlarged front cross-sectional structure of the support mechanism of the present application;

[0019] Figure 4 is a schematic view of the enlarged structure of A in the present application; Figure 3

[0020] Figure 5 is a schematic view of the enlarged structure of B in the present application. Figure 3

[0021] In the figure: 1 steel rail, 2 sliding pile, 3 connecting leg, 4 roller, 5 connecting buckle, 6 first hinged plate, 7 second hinged plate, 8 third hinged plate, 9 support mechanism, 901 sliding block, 902 exhaust pipe, 903 spoiler, 904 sliding plate, 905 support rod, 906 sliding block, 907 first fixed block, 908 second fixed block, 909 hydraulic elevator, 910 top plate, 911 air cylinder, 912 sealing plate, 913 connecting leg, 914 rotating mechanism, 401 fixed rod, 402 clockwork spring, 403 rotating drum, 404 fixed shell, 405 bent rod, 406 connecting pipe, 407 limiting mechanism, 701 counterweight, 702 rotating shaft, 703 clamping block, 704 insertion rod, 705 elastic rope. EMBODIMENTS

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0023] Examples of the described embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, but cannot be understood as a limitation of the present application.

[0024] Please refer to Figures 1-5 ​​The application provides a technical scheme: a hanging basket retreating device for a low tower cable-stayed bridge, which comprises a steel rail 1, the upper surface of the steel rail 1 is in contact with a sliding pile 2, the front side of the steel rail 1 is provided with a slot, the right side of the slot is provided with a threaded hole, the right side of the slot is in communication with the outside of the steel rail 1 through the threaded hole, the rear side of the steel rail 1 is provided with a protrusion, the right side of the protrusion is provided with a second threaded hole, the left side and the right side of the steel rail 1 are both provided with connecting holes, the lower surface of the sliding pile 2 is fixedly connected with a connecting leg 3, the outer wall left side of the connecting leg 3 is rotatably connected with a roller 4 through a bearing, the outer wall of the roller 4 is in contact with the outer wall of the steel rail 1, the outer wall front side of the sliding pile 2 is fixedly connected with a connecting buckle 5, the left side of the sliding pile 2 is hingedly connected with a first hinged plate 6, the upper end of the first hinged plate 6 is hingedly connected with a second hinged plate 7, the lower side of the second hinged plate 7 is hingedly connected with a third hinged plate 8, and the lower side of the third hinged plate 8 is provided with a supporting mechanism 9.

[0025] The supporting mechanism 9 comprises a sliding block 901, an exhaust pipe 902, a spoiler 903, a sliding plate 904, a supporting rod 905, a sliding block 906, a first fixed block 907, a second fixed block 908, a hydraulic elevator 909, a top plate 910, an air cylinder 911, a sealing plate 912, a connecting leg 913 and a rotating mechanism 914, the outer wall of the sliding block 901 is in sliding connection with the inner wall of the sliding pile 2, the upper surface of the sliding block 901 is hingedly connected with the lower side of the third hinged plate 8, the sliding block 901 is provided with a cavity, the lower side of the exhaust pipe 902 is in communication with the inside of the cavity, the upper side of the exhaust pipe 902 is in communication with the upper side of the sliding block 901, the left side of the exhaust pipe 902 is provided with an opening, the inner wall of the exhaust pipe 902 is fixedly connected with the right side of the spoiler 903, the inner cavity wall of the sliding block 901 is in sliding connection with the outer wall of the sliding plate 904, the lower surface of the sliding plate 904 is fixedly connected with the upper end of the supporting rod 905, the lower end of the supporting rod 905 is fixedly connected with the outer wall of the sliding block 906, the lower side of the cavity is in communication with an air pipe, the outer wall of the sliding block 906 is in sliding connection with the inner wall of the air pipe, the right end of the air pipe penetrates through the sliding block 901, the second fixed block 908 and extends to the middle of the second fixed block 908 and is in communication with the inside of the air cylinder 911, the left side of the second fixed block 908 is fixedly connected with the outer wall of the sliding block 901, the outer wall upper side of the second fixed block 908 is fixedly connected with the lower side of the hydraulic elevator 909, the output rod upper end of the hydraulic elevator 909 is fixedly connected with the outer wall of the top plate 910, the side wall of the top plate 910 is in sliding connection with the inner wall of the first fixed block 907, the left side of the first fixed block 907 is fixedly connected on the right side of the outer wall of the sliding block 901, the outer wall bottom of the air cylinder 911 is fixedly connected with the outer wall of the second fixed block 908, the inner wall of the air cylinder 911 is in sliding connection with the outer wall of the sealing plate 912, the upper surface of the sealing plate 912 is fixedly connected with the lower end of the connecting leg 913, the upper end of the connecting leg 913 penetrates through the air cylinder 911 and is fixedly connected with the lower surface of the top plate 910 on the upper side of the air cylinder 911, and the rotating mechanism 914 is arranged on the right side of the sliding block 901.

[0026] The rotating mechanism 914 comprises a fixed rod 401, a clock spring 402, a rotating drum 403, a fixed shell 404, a bent rod 405, a connecting pipe 406 and a limiting mechanism 407. The front end and the rear end of the fixed rod 401 are fixedly connected to the outer wall of the sliding block 901. The outer wall of the fixed rod 401 is connected to the inner wall of the rotating drum 403 through the clock spring 402. The outer wall of the rotating drum 403 is slidably connected to the inner wall of the fixed shell 404. The outer wall of the fixed shell 404 is fixedly connected to the outer wall of the sliding block 901. The right side of the fixed shell 404 is provided with an opening. The outer wall of the rotating drum 403 is fixedly connected to the left end of the bent rod 405. The upper end of the connecting pipe 406 is in communication with the inside of the fixed shell 404. The lower end of the connecting pipe 406 is in communication with the lower side of the sliding plate 904. The limiting mechanism 407 is arranged in the inside of the bent rod 405.

[0027] The limiting mechanism 407 comprises a counterweight 701, a rotating shaft 702, a clamping block 703, a plug rod 704 and an elastic rope 705. The inside of the bent rod 405 is provided with a sliding cavity. The inner wall of the sliding cavity is slidably connected to the outer wall of the counterweight 701. The lower side of the sliding cavity is provided with an air groove. The upper side of the air groove is in communication with the right side of the inside of the sliding cavity. The outer wall of the plug rod 704 is slidably connected to the inner wall of the bent rod 405. The upper end of the plug rod 704 penetrates through the bent rod 405 and extends to the inside of the air groove and is connected to the inner wall of the upper side of the air groove through the elastic rope 705. The lower end of the plug rod 704 is fixedly connected to the outer wall of the clamping block 703. The right side inner wall of the clamping block 703 is rotatably connected to the outer wall of the rotating shaft 702 through a bearing. The rear end and the front end of the rotating shaft 702 are fixedly connected to the outer wall of the bent rod 405.

[0028] In use, according to the distance and length to be moved by the basket, a plurality of rails 1 are sequentially inserted and fixed by bolts, and then fixed on the bridge deck by bolts, and then a plurality of sliding piles 2 are sequentially installed on the upper side of the rails 1, and then a weighing structure is installed at a height higher than the top plate 910 on the basket, and then the sliding block 901 is moved to move the top plate 910 to the lower side of the basket weighing device, and then the hydraulic lift 909 is started to lift the top plate 910 to contact the weighing device, and then the basket is lifted, and the lower side of the top plate 910 drags the connecting leg 913 to rise at the same time as the top plate 910 rises, the gas in the air cylinder 911 is squeezed into the inside of the air duct from the upper side of the sealing plate 912, the sliding block 906 is lifted, the sliding block 906 supports the support rod 905 to lift the sliding plate 904, the gas on the upper side of the sliding plate 904 is discharged through the exhaust pipe 902, and the gas flow is discharged through the exhaust pipe 902 at the same time. 902 will remind the outside when the gas flow is discharged through the exhaust pipe 902, when the sliding plate 904 is lifted, a larger space is formed between the sliding plate 904 and the sliding block 906, the connecting pipe 406 inhales downward, the inside of the fixed shell 404 generates negative pressure, the rotating drum 403 rotates, the bent rod 405 deflects, the bent rod 405 can limit the contact part of the basket and the top plate 910, the basket is more stable when adjusting the position, the counterweight 701 moves at the same time as the bent rod 405 rotates, the counterweight 701 squeezes the gas in the sliding cavity into the air groove, the plug rod 704 is pushed out from the air groove, the elastic rope 705 is deformed, the plug rod 704 pushes the clamping block 703 to deflect, the clamping block 703 is raised, and the friction between the bent rod 405 and the contact part of the basket is increased. After the movement is completed, the hydraulic lift 909 is retracted, the top plate 910 is lowered, the air cylinder 911 inhales, the exhaust pipe 902 emits a sound, and the sliding plate 904 is lowered, the bent rod 405 is rotated, the counterweight 701 is reset, the air pressure in the air groove is restored, and the plug rod 704 is reset.

Claims

1. A tower cable-stayed bridge hanging basket retreating device comprising a steel rail (1), characterized in that: The upper surface of the steel rail (1) is in contact with a sliding pile (2), the lower surface of the sliding pile (2) is fixedly connected with a connecting leg A (3), the outer wall left side of the connecting leg A (3) is rotatably connected with a roller (4) through a bearing, the outer wall of the roller (4) is in contact with the outer wall of the steel rail (1), the outer wall front side of the sliding pile (2) is fixedly connected with a connecting buckle (5), the left side of the sliding pile (2) is hingedly connected with a first hinged plate (6), the upper end of the first hinged plate (6) is hingedly connected with a second hinged plate (7), the lower side of the second hinged plate (7) is hingedly connected with a third hinged plate (8), and the lower side of the third hinged plate (8) is provided with a supporting mechanism (9). The support mechanism (9) includes a sliding block A (901), an exhaust pipe (902), a spoiler (903), a sliding plate (904), a support rod (905), a sliding block B (906), a first fixed block (907), a second fixed block (908), a hydraulic elevator (909), a top plate (910), an air cylinder (911), a sealing plate (912), a connecting leg B (913), a rotating mechanism (914), the outer wall of the sliding block A (901) is in sliding connection with the inner wall of the sliding pile (2), the upper surface of the sliding block A (901) is hinged to the lower side of the third hinged plate (8), the sliding block A (901) is provided with a cavity, the lower side of the exhaust pipe (902) is in communication with the inside of the cavity, the upper side of the exhaust pipe (902) is in communication with the upper side of the sliding block A (901), the left side of the exhaust pipe (902) is provided with an opening, the inner wall of the exhaust pipe (902) is fixedly connected with the right side of the spoiler (903), the inner cavity wall of the sliding block A (901) is in sliding connection with the outer wall of the sliding plate (904), the lower surface of the sliding plate (904) is fixedly connected with the upper end of the support rod (905), the lower end of the support rod (905) is fixedly connected with the outer wall of the sliding block B (906), the lower side of the cavity is in communication with the air pipe, the outer wall of the sliding block B (906) is in sliding connection with the inner wall of the air pipe, the right end of the air pipe penetrates the sliding block A (901), the second fixed block (908) and extends to the middle of the second fixed block (908) and is in communication with the inside of the air cylinder (911), the left side of the second fixed block (908) is fixedly connected with the outer wall of the sliding block A (901), the outer wall of the second fixed block (908) is fixedly connected with the lower side of the hydraulic elevator (909), the output rod upper end of the hydraulic elevator (909) is fixedly connected with the outer wall of the top plate (910), the side wall of the top plate (910) is in sliding connection with the inner wall of the first fixed block (907), the left side of the first fixed block (907) is fixedly connected with the right side of the outer wall of the sliding block A (901), the outer wall bottom of the air cylinder (911) is fixedly connected with the outer wall of the second fixed block (908), the inner wall of the air cylinder (911) is in sliding connection with the outer wall of the sealing plate (912), the upper surface of the sealing plate (912) is fixedly connected with the lower end of the connecting leg B (913), the upper end of the connecting leg B (913) penetrates the air cylinder (911) and extends to the upper side of the air cylinder (911) and is fixedly connected with the lower surface of the top plate (910), and the rotating mechanism (914) is arranged on the right side of the sliding block A (901).

2. The device according to claim 1, characterized in that: The rotating mechanism (914) comprises a fixed rod (401), a clock spring (402), a rotating drum (403), a fixed shell (404), a bent rod (405), a connecting pipe (406) and a limiting mechanism (407), the front end and the rear end of the fixed rod (401) are fixedly connected to the outer wall of the sliding block A (901), the outer wall of the fixed rod (401) is connected with the inner wall of the rotating drum (403) through the clock spring (402), the outer wall of the rotating drum (403) is slidably connected with the inner wall of the fixed shell (404), the outer wall of the fixed shell (404) is fixedly connected with the outer wall of the sliding block A (901), the outer wall of the rotating drum (403) is fixedly connected with the left end of the bent rod (405), the upper end of the connecting pipe (406) is in communication with the inside of the fixed shell (404), the lower end of the connecting pipe (406) is in communication with the lower side of the sliding plate (904), and the limiting mechanism (407) is arranged in the inside of the bent rod (405).

3. The device according to claim 2, characterized in that: The limiting mechanism (407) comprises a counterweight (701), a rotating shaft (702), a clamping block (703), a plug rod (704) and an elastic rope (705), the inside of the bent rod (405) is provided with a sliding cavity, the inner wall of the sliding cavity is slidably connected with the outer wall of the counterweight (701), the lower side of the sliding cavity is provided with an air groove, the upper side of the air groove is in communication with the right side of the inside of the sliding cavity, the outer wall of the plug rod (704) is slidably connected with the inner wall of the bent rod (405), the upper end of the plug rod (704) penetrates through the bent rod (405) and extends to the inside of the air groove and is connected with the inner wall of the upper side of the air groove through the elastic rope (705), the lower end of the plug rod (704) is fixedly connected with the outer wall of the clamping block (703), the right side of the inner wall of the clamping block (703) is rotatably connected with the outer wall of the rotating shaft (702) through a bearing, and the rear end and the front end of the rotating shaft (702) are fixedly connected with the outer wall of the bent rod (405).

4. The device according to claim 1, characterized in that: The front side of the steel rail (1) is provided with a slot, a threaded hole is formed in the right side of the slot, the right side of the slot is in communication with the outer side of the steel rail (1) through the threaded hole, the rear side of the steel rail (1) is provided with a protrusion, and the right side of the protrusion is provided with a second threaded hole.

5. The device according to claim 1, characterized in that: The left side and the right side of the steel rail (1) are provided with connecting holes.

6. The short tower cable-stayed bridge hanging basket retreating device according to claim 2, characterized in that: The right side of the fixed shell (404) is provided with an opening.

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