A hydrophilic platform for seawall construction

Abstract

The present invention relates to the field of hydrophilic platforms, specifically a hydrophilic platform for seawall construction, comprising a control box, a support assembly, a platform assembly, and a support pontoon. The bottom surface of the control box is fixedly connected to a pre-buried pile body, and the control box is rotatably connected to a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are both fixedly connected to a transmission gear and a winding roller. The present invention enables a steel cable to drive the platform assembly to move up and down using a connecting block. The support rod in the support assembly can maintain its stability when the platform assembly is raised and lowered, avoiding unnecessary shaking of the platform on the water surface, thereby enhancing the safety of the platform and the comfort of the user. The flip assembly drives the support pontoon to flip when the platform assembly is raised, so that the staff can perform comprehensive inspection and maintenance work. This method not only saves labor costs, but also greatly improves maintenance efficiency, ensuring that the platform can maintain a good condition for a long time.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrophilic platforms, and in particular to a hydrophilic platform for seawall construction. Background Art

[0002] A platform that extends from land to water, making it easier for visitors to reach the water they want to reach, is called a hydrophilic platform. Attractions that rely on water resources, such as parks, lakes, rivers, wetlands, and beaches, pay great attention to the construction of hydrophilic platforms, which are mainly manifested in landscape floating bridges, water trails, and viewing corridors. They are used to view blooming flowers in the pond, walk on the sparkling water, play with lively fish in the water, and appreciate the beautiful scenery along the coast. Usually, laying antiseptic wood on the floating platform can complete a practical and beautiful hydrophilic platform.

[0003] Chinese patent application number 201110443085.7 discloses a hydrophilic platform that can rise and fall with the water level. It uses PE floats and can rise and fall freely according to changes in the water level, meeting people's needs for water play in any season; it uses anti-corrosion sleepers, anti-corrosion wooden boards, stainless steel wire and stainless steel threaded nails, which will not be submerged in water and cause rot, and has a service life longer than ordinary hydrophilic platforms; using 8 cm long stainless steel threaded nails, several 5 cm thick anti-corrosion sleepers are screwed to the upper side of the 5 cm thick anti-corrosion wooden boards. It is suitable for rivers and lakes with multiple water levels, and is simple and beautiful.

[0004] Since seawater in the seawall environment is corrosive to a certain extent, maintenance personnel usually spray paint on the buoys to enhance their corrosion resistance. In the above solution, the buoys are set below the platform, which makes it difficult to paint and maintain the buoys after the platform is put into use. In addition, the platform is supported only by the buoys. When people move on the platform, the hydrophilic platform will rise and fall on the water surface, and its stability is poor.

[0005] Therefore, the present invention provides a hydrophilic platform for seawall construction to solve the above problems. Summary of the Invention

[0006] In view of the above situation, in order to overcome the defects of the existing technology, the present invention provides a hydrophilic platform for seawall construction to solve the problem that it is difficult to paint and maintain the buoys after the above-mentioned platform is put into use, and the platform is only supported by the buoys. When people move on the platform, the hydrophilic platform will fluctuate and sway on the water surface, resulting in poor stability.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is:

[0008] A hydrophilic platform for seawall construction, comprising a control box, a support assembly, a platform assembly and a support floating box. The bottom surface of the control box is fixedly connected with embedded pile bodies. The control box is rotatably connected with a first rotating shaft and a second rotating shaft. Both the first rotating shaft and the second rotating shaft are fixedly connected with transmission gears and winding rollers. The two transmission gears are meshed with each other. A guiding roller is installed in the control box. The control box is fixedly connected with a vertical rod. The top end of the vertical rod penetrates through the control box and is installed with a transfer roller. A steel cable pull rope is wound on the winding roller. One end of the steel cable pull rope sequentially penetrates through the guiding roller and the transfer roller and is fixedly connected with a connecting block, and the connecting block is installed on the platform assembly.

[0009] The support assembly includes a storage tube. The bottom end of the storage tube is fixedly connected to the control box. A storage cavity is provided on the storage tube. A support rod is slidably connected in the storage cavity, and the top end of the support rod is fixedly connected to the platform assembly.

[0010] A flipping assembly for flipping the support floating box during the lifting process of the platform assembly is arranged on the platform assembly. The flipping assembly includes a support shaft and a transmission shaft. One end of the support shaft is rotatably connected to the platform assembly, and the other end of the support shaft is fixedly connected to the support floating box. One end of the transmission shaft is rotatably connected to the platform assembly, and the other end of the transmission shaft is fixedly connected with a linkage gear. The control box is fixedly connected with a fixed rod. A first rack is fixedly connected to the fixed rod, and the first rack is meshed with the linkage gear. Belt pulleys are fixedly connected to both the support shaft and the transmission shaft, and the two belt pulleys are connected by a belt.

[0011] A driving assembly for providing rotational driving force to the first rotating shaft is arranged on one side of the control box. A limiting assembly for limiting the control box after movement is arranged on the control box.

[0012] Preferably, the platform assembly includes a platform frame, and connecting floors arranged at equal intervals are installed on the platform frame.

[0013] Preferably, a guardrail is fixedly connected to the platform frame, and a slope plate is hinged to one side surface of the platform frame.

[0014] Preferably, the driving assembly includes a fixed frame. A motor is fixedly connected to the fixed frame. The output rotating shaft of the motor is fixedly connected with a driving shaft. A worm is fixedly connected to the driving shaft. A worm gear is fixedly connected to the first rotating shaft, and the worm gear is meshed with the worm.

[0015] Preferably, a concrete pile is fixedly connected to the bottom surface of the fixed frame, a protective shell is fixedly connected to the fixed frame, the motor is located in the protective shell, and the middle section of the driving shaft is rotatably connected to the protective shell.

[0016] Preferably, the limit assembly includes two L-shaped rods and a bidirectional cylinder, the bidirectional cylinder is fixedly connected to the fixed frame, the two telescopic ends of the bidirectional cylinder are respectively fixedly connected to the two L-shaped rods, the side surfaces of the two L-shaped rods close to each other are fixedly connected with a second rack, and the driving shaft is fixedly connected with a limit gear.

[0017] Preferably, both side surfaces of the fixing frame are fixedly connected with guide rods, and the two L-shaped rods are slidably connected to the two guide rods respectively.

[0018] Preferably, two guide grooves are provided on the control box, and the two L-shaped rods are respectively slidably connected in the two guide grooves, a connecting plate is fixedly connected to the L-shaped rod, an insertion rod is fixedly connected to the connecting plate, a socket is provided on the support rod, a through hole matching the socket is provided on the storage tube, and the end of the insertion rod away from the L-shaped rod passes through the through hole and is inserted into the socket.

[0019] Preferably, a limiting frame is fixedly connected to the storage tube, and the connecting plate is slidably connected to the limiting frame.

[0020] The beneficial effects of the present invention are:

[0021] 1. Through the coordination between the steel cable pull system, the support assembly and the flip assembly, that is, after the driving assembly provides power to the first rotating shaft and the second rotating shaft, the winding roller drives the steel cable pull rope through the guide roller and the transfer roller to drive the platform assembly to move up and down using the connecting block. The support rod in the support assembly can keep the platform assembly stable when it is raised and lowered, avoiding unnecessary shaking of the platform on the water surface, thereby enhancing the safety of the platform and the comfort of the user. The flip assembly will drive the supporting pontoon to flip when the platform assembly is rising, so that the staff can carry out comprehensive inspection and maintenance work. This method not only saves labor costs, but also greatly improves maintenance efficiency, ensuring that the platform can maintain a good condition for a long time.

[0022] 2. By setting up a limit assembly, that is, using L-shaped rods, two-way cylinders, racks, gears and other structures, the platform assembly can be firmly locked after being adjusted to the required height to prevent accidental movement of the platform due to external factors, thereby significantly improving the overall stability of the platform and ensuring the safety of tourists. When maintaining the supporting pontoon, the platform can be fixed at a certain height through the limit assembly, making it easier to pull the supporting pontoon out of the water for maintenance work such as flipping and painting, simplifying the entire maintenance process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a perspective view of the present invention.

[0024] Figure 2 It is a top view of the present invention.

[0025] Figure 3 For the present invention Figure 2 is an enlarged schematic view of the structure at location A in the present invention.

[0026] Figure 4 is an installation schematic view of the present invention on the seawall.

[0027] Figure 5 is an overall structural schematic view of the drive assembly of the present invention.

[0028] Figure 6 is a cross-section of the present invention Figure 1 .

[0029] Figure 7 For the present invention Figure 6 is an enlarged schematic view of the structure at location B in the present invention.

[0030] Figure 8 is a cross-section of the present invention Figure 2 .

[0031] Figure 9 For the present invention Figure 8 is an enlarged schematic view of the structure at location C in the present invention.

[0032] In the figure: 1, control box; 2, embedded pile body; 3, steel cable guy; 4, first rotating shaft; 5, support assembly; 6, flipping assembly; 7, limiting assembly; 8, drive assembly; 9, platform assembly; 10, guiding roller; 11, vertical pole; 12, transfer roller; 13, connecting block; 14, supporting floating box; 15, transmission gear; 16, winding roller; 17, guiding groove; 18, second rotating shaft; 5, support assembly; 51, receiving tube; 52, support rod; 53, receiving cavity; 6, flipping assembly; 61, support shaft; 62, transmission shaft; 63, linkage gear; 64, pulley; 65, fixed rod; 66, first rack; 7, limiting assembly; 71, L-shaped rod; 72, guiding rod; 73, double-acting cylinder; 74, second rack; 75, limiting gear; 76, limiting frame; 77, connecting plate; 78, insertion rod; 79, insertion hole; 8, drive assembly; 81, fixing bracket; 82, motor; 83, protective shell; 84, worm; 85, worm gear; 86, concrete pile; 87, drive shaft; 9, platform assembly; 91, platform frame; 92, connecting floor; 93, guardrail; 94, slope plate. Specific embodiments

[0033] Next, each embodiment of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention. Figures 1 to 9

[0034] A waterside platform for seawall construction, as Figure 1 ​, Figure 2 , Figure 4 , Figure 6 and Figure 8 As shown in Figure 2 , Figure 4 , Figure 6 and Figure 8 , it includes a control box 1, a support assembly 5, a platform assembly 9 and a support floating box 14. The bottom surface of the control box 1 is fixedly connected with a pre-embedded pile body 2, and the pre-embedded pile body 2 is fixed to the bottom of the pond by a pile driver. The control box 1 can be fixed on the pre-embedded pile body 2 by welding or other means. A first rotating shaft 4 and a second rotating shaft 18 are rotatably connected to the control box 1. The first rotating shaft 4 and the second rotating shaft 18 are symmetrically designed. Transmission gears 15 and winding rollers 16 are fixedly connected to both the first rotating shaft 4 and the second rotating shaft 18. The two transmission gears 15 mesh with each other. Since the first rotating shaft 4 and the second rotating shaft 18 are driven by the two transmission gears 15, the first rotating shaft 4 and the second rotating shaft 18 rotate in opposite directions when rotating. A guiding roller 10 is installed in the control box 1. A vertical rod 11 is fixedly connected to the control box 1. The top end of the vertical rod 11 penetrates through the control box 1 and is provided with a transfer roller 12. A steel cable pull rope 3 is wound around the winding roller 16, and one end of the steel cable pull rope 3 sequentially penetrates through the guiding roller 10 and the transfer roller 12 and is fixedly connected with a connecting block 13, and the connecting block 13 is installed on the platform assembly 9. The steel cable pull rope 3 can be guided by the guiding roller 10 and the transfer roller 12. When the first rotating shaft 4 drives the winding roller 16 to rotate, the connecting block 13 drives the platform assembly 9 to move up and down by winding or loosening the steel cable pull rope 3 on the winding roller 16.

[0035] As Figure 8 and Figure 9 As shown in Figure 8 and Figure 9 , the support assembly 5 includes a storage tube 51. The bottom end of the storage tube 51 is fixedly connected to the control box 1. A storage cavity 53 is provided on the storage tube 51. A support rod 52 is slidably connected in the storage cavity 53, and the top end of the support rod 52 is fixedly connected to the platform assembly 9. When the platform assembly 9 moves up and down, the platform assembly 9 drives the support rod 52 to slide in the storage cavity 53, thereby guiding the movement of the platform assembly 9 and preventing the platform assembly 9 from shaking left and right.

[0036] As Figure 1 , Figure 3 and Figure 4As shown in the figure, a flipping component 6 is provided on the platform component 9 for flipping the supporting floating box 14 during the lifting process of the platform component 9. The flipping component 6 includes a support shaft 61 and a transmission shaft 62. One end of the support shaft 61 is rotatably connected to the platform component 9, and the other end of the support shaft 61 is fixedly connected to the supporting floating box 14. One end of the transmission shaft 62 is rotatably connected to the platform component 9, and a linkage gear 63 is fixedly connected to the other end of the transmission shaft 62. A fixed rod 65 is fixedly connected to the control box 1, and a first rack 66 is fixedly connected to the fixed rod 65, and the first rack 66 meshes with the linkage gear 63. Pulley wheels 64 are fixedly connected to both the support shaft 61 and the transmission shaft 62, and the two pulley wheels 64 are connected by a belt in a transmission manner.

[0037] When it is necessary to paint and maintain the supporting floating box 14, the winch roller 16 can be used to wind up the steel cable rope 3 to drive the platform component 9 to move upward, that is, the platform component 9 will move above the control box 1 and pull the supporting floating box 14 out of the water. When the platform component 9 moves, the linkage gear 63 will mesh with the first rack 66 on the fixed rod 65, causing the transmission shaft 62 to rotate. Under the action of the pulley wheels 64 and the belt, the support shaft 61 will rotate following the transmission shaft 62, so that the bottom end of the supporting floating box 14 will flip after being removed from the water. This not only can pull the supporting floating box 14 out of the water for convenient painting and maintenance, but also the supporting floating box 14 can rotate while being removed, facilitating the all-round maintenance of the supporting floating box 14 by workers.

[0038] As Figure 1 shown, Figure 2 the Figure 4 platform Figure 8 component 9 includes a platform frame 91. Connecting floors 92 arranged at equal intervals are installed on the platform frame 91. A guardrail 93 is fixedly connected to the platform frame 91. A slope plate 94 is hinged to one side surface of the platform frame 91. The top end of the support rod 52 is fixed to the bottom of the platform frame 91. The platform frame 91, the connecting floors 9, the guardrail 93 and the slope plate 94 are all made of anti-corrosion materials and have a long service life in the seawall environment. One end of the slope plate 94 will abut against the seawall slope protection, and the slope plate 94 will rotate when the platform frame 91 moves up and down to form a slope for people to enter and exit on the connecting floor 92. Moreover, anti-slip patterns can be set on the slope plate 94 to prevent people from slipping on the slope plate 94.

[0039] As Figure 4 shown Figure 5As shown, a drive assembly 8 for providing rotational driving force to the first rotating shaft 4 is provided on one side of the control box 1. The drive assembly 8 includes a fixed frame 81, and a motor 82 is fixedly connected to the fixed frame 81. The output shaft of the motor 82 is fixedly connected to the drive shaft 87, and the drive shaft 87 is fixedly connected to the worm 84. The first rotating shaft 4 is fixedly connected to a worm wheel 85, and the worm wheel 85 is engaged with the worm 84. The fixed frame 81 is installed on the seawall slope protection. After the output shaft of the motor 82 drives the drive shaft 87 to rotate, it will drive the first rotating shaft 4 to rotate clockwise or counterclockwise through the engagement of the worm 84 and the worm wheel 85.

[0040] like Figure 4 and Figure 5 As shown, the bottom surface of the fixing frame 81 is fixedly connected with a concrete pile 86, and the fixing frame 81 is fixedly connected with a protective shell 83. The motor 82 is located in the protective shell 83, and the middle section of the drive shaft 87 is rotatably connected to the protective shell 83. The concrete pile 86 needs to be pre-buried in the ground to improve the stability of the fixing frame 81. The protective shell 83 can shield the motor 82 and thereby protect the motor 82.

[0041] like Figure 5 、 Figure 6 and Figure 7 As shown, the control box 1 is provided with a limit assembly 7 for limiting the control box 1 after movement. The limit assembly 7 includes two L-shaped rods 71 and a two-way cylinder 73. The two-way cylinder 73 is fixedly connected to the fixed frame 81. The two telescopic ends of the two-way cylinder 73 are respectively fixedly connected to the two L-shaped rods 71. The side of the two L-shaped rods 71 close to each other is fixedly connected with a second rack 74. A limit gear 75 is fixedly connected to the drive shaft 87. The two side surfaces of the fixed frame 81 are fixedly connected with guide rods 72. The two L-shaped rods 71 are respectively slidably connected to the two guide rods 72. After the height of the platform assembly 9 is adjusted, the telescopic ends of the two-way cylinder 73 can be used to make the two L-shaped rods 71 move closer to each other on the guide rods 72, and the second racks 74 on the two L-shaped rods 71 are inserted into the adjacent teeth on the limit gear 75, and then the drive shaft 87 is rotationally limited by the limit gear 75.

[0042] like Figure 1 、 Figure 6 、 Figure 8 and Figure 9As shown in the figure, two guiding grooves 17 are formed in the control box 1. Two L-shaped rods 71 are respectively slidably connected in the two guiding grooves 17. A connecting plate 77 is fixedly connected to the L-shaped rod 71. An inserting rod 78 is fixedly connected to the connecting plate 77. A jack 79 is formed in the support rod 52. A through hole matching the jack 79 is formed in the receiving pipe 51. One end of the inserting rod 78 away from the L-shaped rod 71 penetrates through the through hole and is inserted into the jack 79. A limiting frame 76 is fixedly connected to the receiving pipe 51. The connecting plate 77 is slidably connected to the limiting frame 76. When it is necessary to move the platform assembly 9 upward, the L-shaped rod 71 can be driven to move by the double-acting cylinder 73, and the L-shaped rod 71 can drive the inserting rod 78 to be withdrawn from the jack 79 through the connecting plate 77, so as to release the limit on the support rod 52. After the height adjustment of the platform assembly 9 is completed, the L-shaped rod 71 drives the inserting rod 78 to be inserted into the jack 79 through the connecting plate 77 to limit the support rod 52 and improve the stability of the platform assembly 9.

[0043] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description, rather than indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] In addition, it should also be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0045] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

1. A waterside platform for seawall construction, characterized in that It includes a control box (1), a support assembly (5), a platform assembly (9) and a support floating box (14). The bottom surface of the control box (1) is fixedly connected with a pre-buried pile body (2). A first rotating shaft (4) and a second rotating shaft (18) are rotatably connected to the control box (1). Transmission gears (15) and winding rollers (16) are fixedly connected to both the first rotating shaft (4) and the second rotating shaft (18). The two transmission gears (15) are meshed with each other. A guiding roller (10) is installed in the control box (1). A vertical rod (11) is fixedly connected to the control box (1). The top end of the vertical rod (11) penetrates through the control box (1) and is provided with a transfer roller (12). A steel cable pull rope (3) is wound around the winding roller (16). One end of the steel cable pull rope (3) sequentially penetrates through the guiding roller (10) and the transfer roller (12) and is fixedly connected with a connecting block (13), and the connecting block (13) is installed on the platform assembly (9). The support assembly (5) includes a receiving tube (51). The bottom end of the receiving tube (51) is fixedly connected to the control box (1). A receiving cavity (53) is formed in the receiving tube (51). A support rod (52) is slidably connected in the receiving cavity (53), and the top end of the support rod (52) is fixedly connected to the platform assembly (9). A flipping assembly (6) for flipping the support floating box (14) during the lifting process of the platform assembly (9) is arranged on the platform assembly (9). The flipping assembly (6) includes a support shaft (61) and a transmission shaft (62). One end of the support shaft (61) is rotatably connected to the platform assembly (9), and the other end of the support shaft (61) is fixedly connected to the support floating box (14). One end of the transmission shaft (62) is rotatably connected to the platform assembly (9), and a linkage gear (63) is fixedly connected to the other end of the transmission shaft (62). A fixed rod (65) is fixedly connected to the control box (1). A first rack (66) is fixedly connected to the fixed rod (65), and the first rack (66) is meshed with the linkage gear (63). Pulley wheels (64) are fixedly connected to both the support shaft (61) and the transmission shaft (62), and the two pulley wheels (64) are connected by a belt in a transmission manner. A driving assembly (8) for providing a rotational driving force to the first rotating shaft (4) is arranged on one side of the control box (1). The driving assembly (8) includes a fixed frame (81). A motor (82) is fixedly connected to the fixed frame (81). A driving shaft (87) is fixedly connected to the output rotating shaft of the motor (82). A worm (84) is fixedly connected to the driving shaft (87). A worm gear (85) is fixedly connected to the first rotating shaft (4), and the worm gear (85) is meshed with the worm (84). A limit component (7) for limiting the control box (1) after movement is provided on the control box (1). The limit component (7) includes two L-shaped rods (71) and a double-acting cylinder (73). The double-acting cylinder (73) is fixedly connected to a fixed frame (81). Two telescopic ends of the double-acting cylinder (73) are respectively fixedly connected to the two L-shaped rods (71). Second racks (74) are fixedly connected to one side surface of the two L-shaped rods (71) close to each other. A limit gear (75) is fixedly connected to the drive shaft (87). After the height of the platform component (9) is adjusted, the two L-shaped rods (71) are moved closer to each other by the telescopic ends of the double-acting cylinder (73), and the second racks (74) on the two L-shaped rods (71) are inserted into adjacent teeth of the limit gear (75), so as to limit the rotation of the drive shaft (87) through the limit gear (75). Two guide grooves (17) are formed on the control box (1). The two L-shaped rods (71) are respectively slidably connected in the two guide grooves (17). A connecting plate (77) is fixedly connected to the L-shaped rod (71). A plug rod (78) is fixedly connected to the connecting plate (77). A jack (79) is formed on the support rod (52). A through hole matching the jack (79) is formed on the receiving pipe (51), and one end of the plug rod (78) far from the L-shaped rod (71) penetrates through the through hole and is inserted into the jack (79).

2. A waterside platform for seawall construction according to claim 1, characterized in that, The platform component (9) includes a platform frame (91), and connecting floors (92) arranged at equal intervals are installed on the platform frame (91).

3. The hydrophilic platform for seawall construction according to claim 2, wherein, A guardrail (93) is fixedly connected to the platform frame (91), and a slope plate (94) is hinged to one side surface of the platform frame (91).

4. A waterside platform for seawall construction according to claim 1, characterized in that, A concrete pile (86) is fixedly connected to the bottom surface of the fixed frame (81). A protective shell (83) is fixedly connected to the fixed frame (81). The motor (82) is located in the protective shell (83), and the middle section of the drive shaft (87) is rotatably connected to the protective shell (83).

5. A waterside platform for seawall construction according to claim 1, characterized in that, Guide rods (72) are fixedly connected to both side surfaces of the fixed frame (81). The two L-shaped rods (71) are respectively slidably connected to the two guide rods (72).

6. The hydrophilic platform for seawall construction according to claim 1, wherein, A limiting frame (76) is fixedly connected to the receiving pipe (51). The connecting plate (77) is slidably connected to the limiting frame (76).

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