Spliced hanging basket with high-rise personnel protection function

Abstract

The utility model discloses a spliced hanging basket with a high-rise personnel protection function, and relates to the technical field of building mechanical equipment. The device comprises a suspension unit, a suspension platform, an elevator, a safety lock and a safety steel wire rope, according to the utility model, the two suspension platforms are aligned and placed together, and the two suspension platforms are fixed into a whole through the assembly mechanism, so that the rapid assembly of the two suspension platforms can be completed, the rapid assembly of the suspension platforms is conveniently realized, and the assembly convenience of the suspension platforms is effectively improved; by heightening the protection assembly, adjusting the height of the movable column and the protection rod and fixing the lifted movable column, adjustment of the protection height of the suspension platform is conveniently achieved, high aerial work personnel can be effectively protected, and the situation that the protection effect is affected due to the fact that the protection height is low is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of construction machinery and equipment, in particular to a spliced ​​hanging basket with a high-rise personnel protection function. Background Art

[0002] The hanging basket is a construction tool used for aerial work in construction projects, and is used for curtain wall installation and exterior wall cleaning. It is a new type of high-altitude work equipment that can replace traditional scaffolding, reducing labor intensity, improving work efficiency, and is reusable. The use of construction hanging baskets has gradually become a trend and has been widely recognized in high-altitude operations such as exterior wall construction, curtain wall installation, insulation construction, and exterior wall maintenance and cleaning of high-rise and multi-story buildings. It can also be used for operations on large tanks, bridges, dams, and other projects.

[0003] However, the hanging basket in the prior art still has some defects:

[0004] 1. The assembly of the suspension platform of the hanging basket in the prior art mostly relies on the installation of angle irons and bolts, which makes the assembly of the hanging basket relatively inconvenient and makes it impossible to quickly form multiple suspension platforms into a whole. At the same time, the protection height of the suspension platform in the prior art cannot be adjusted, which makes it inconvenient to effectively protect workers with tall heights working at heights.

[0005] 2. At the same time, since the lifting and lowering of the suspension platform is controlled by the suspension mechanism, during the specific construction process, the height of the suspension platform after lifting and lowering cannot be accurately matched with the construction site, resulting in the operating range of the high-altitude workers being unable to accurately match the construction site, making high-altitude construction more inconvenient. Utility Model Content

[0006] In order to solve the problems that the suspension platform in the hanging basket is inconvenient to assemble quickly, the protection height is low, and it is inconvenient to fine-tune the height of the workers working at height; the purpose of this utility model is to provide a splicing hanging basket with high-rise personnel protection function.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions: a spliced ​​hanging basket with high-rise personnel protection function, comprising a suspension unit, a suspension platform, a hoist, a safety lock and a safety wire rope, the hoist and the safety lock are assembled on the suspension platform, one end of the safety wire rope is assembled on the suspension unit, and the other end of the safety wire rope is assembled on the safety lock, the suspension platform comprises a platform bottom plate, a column rod, a reinforcement rod and a roller, the column rod is assembled on the upper surface of the platform bottom plate, the reinforcement rod is assembled between two adjacent column rods, the roller is assembled on the lower surface of the platform bottom plate, the column rod is provided with an assembling mechanism, the column rod is also provided with a heightening protection component, and the platform bottom plate and the column rod are provided with a lifting mechanism;

[0008] The assembling mechanism comprises a plurality of first fixing bases and a plurality of second fixing bases, wherein two adjacent first fixing bases are fixedly installed on the middle part of one stand column, two adjacent second fixing bases are fixedly installed on another stand column, the inner wall of the first fixing base is slidably installed with a splicing block, one end of the second fixing base is provided with a splicing groove, the inner wall of the splicing block and the splicing groove is movably inserted, the upper surface of the second fixing base is threadedly rotatably installed with two locking bolts, the upper surface of the splicing block is provided with two first threaded holes, one end of the locking bolt is threadedly rotatably connected with the inner wall of the first threaded hole, one end of the first fixing base is threadedly rotatably installed with a threaded rod, and one end of the threaded rod is rotatably connected with one end of the splicing block.

[0009] The heightening protection assembly comprises a plurality of movable columns, the movable columns are fixedly installed with protection rods between the movable columns, the end of the stand column, away from the platform bottom plate, is provided with a cavity, and one end of the movable column movably contacts with the inner wall of the cavity.

[0010] The end of the stand column, away from the platform bottom plate, is threadedly rotatably installed with a fastening bolt, and a plurality of second threaded holes are uniformly arranged on the movable column, and one end of the fastening bolt is threadedly rotatably connected with the inner wall of one second threaded hole.

[0011] The lifting mechanism comprises a lifting plate, the upper surface of the platform bottom plate is provided with a notch, the inner wall of the notch is slidably installed with four sliding blocks, the upper surface of the sliding block is fixedly installed with a first connecting seat, the lower surface of the lifting plate is fixedly installed with four second connecting seats which are uniformly distributed, four lifting rods are arranged in the notch, one end of one lifting rod is hingedly connected with one first connecting seat, and the other end of one lifting rod is hingedly connected with one second connecting seat.

[0012] The inner wall of the notch is rotatably installed with two double-headed screw rods, one double-headed screw rod penetrates through two sliding blocks and is threadedly rotatably connected with the two sliding blocks, one end of each double-headed screw rod is fixedly installed with a synchronous wheel, the two synchronous wheels are drivingly installed with a synchronous belt, the lower surface of the platform bottom plate is fixedly provided with a motor, the driving output end of the motor is fixedly installed with a rotating rod, one end of the rotating rod and one end of one double-headed screw rod are fixedly installed with bevel gears, and the two bevel gears are meshed with each other.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、In the utility model, two suspension platforms are aligned and placed together, and the two suspension platforms are fixedly formed as a whole through the assembling mechanism, so that the quick assembling of the two suspension platforms is completed, the quick assembling of the suspension platform is conveniently realized, and the convenience of the assembling of the suspension platform is effectively improved.

[0015] 2、The utility model discloses, through the high -rise protection assembly, the height of movable column and protection rod is adjusted, and the movable column after lifting is fixed, thereby conveniently realize the adjustment of the height of protection of the suspension platform, and then the high -altitude operation personnel of height is convenient to the effective protection, avoid the influence of protection effect because of the low protection height;

[0016] 3、The utility model discloses, through the lifting mechanism, drive the lifting plate of lifting mechanism small -amplitude lifting, make the height of the high -altitude operation personnel who stands on the lifting plate with the height of construction point position match, thereby conveniently realize the fine adjustment of the height of the high -altitude operation personnel on the suspension platform, and then the high -altitude operation personnel is convenient to the high -altitude operation construction of completion. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the component structure schematic diagram of the utility model of a kind of splicing type hanging basket with high-level personnel protection function.

[0019] Figure 2 It is the assembly state schematic diagram of the utility model suspension platform.

[0020] Figure 3 It is the separation state schematic diagram of the utility model suspension platform.

[0021] Figure 4 It is the structure schematic diagram of the utility model assembly mechanism.

[0022] Figure 5 It is the cut structure schematic diagram of the utility model first fixed seat.

[0023] Figure 6 It is the separation schematic diagram of the utility model high -rise protection assembly and stand column.

[0024] Figure 7 It is the structure schematic diagram of the utility model Figure 6 A part enlarged schematic diagram in the utility model.

[0025] Figure 8 It is the cut structure schematic diagram of the utility model platform bottom plate and lifting mechanism.

[0026] Figure 9The separation diagram of the lifting plate and the second hinged seat is shown in the utility model.

[0027] In the figure: 1, hanging unit; 2, suspension platform; 3, elevator; 4, safety lock; 5, safety steel wire rope; 21, platform bottom plate; 22, stand column; 23, reinforcing rod; 24, roller; 6, assembling mechanism; 61, first fixed seat; 62, second fixed seat; 63, splicing block; 64, splicing groove; 65, locking bolt; 66, first threaded hole; 67, guide rod; 68, sliding hole; 69, threaded rod; 691, rotating handle; 7, heightening protection assembly; 71, movable column; 72, protection rod; 73, telescopic rod; 74, cavity; 75, fastening bolt; 76, second threaded hole; 8, lifting mechanism; 81, lifting plate; 82, guide groove; 83, guide block; 84, connecting plate; 85, notch; 86, sliding block; 87, first connecting seat; 88, second connecting seat; 89, lifting rod; 9, double-headed screw rod; 91, synchronous wheel; 92, synchronous belt; 93, motor; 94, L-shaped support frame; 95, rotating rod; 96, bevel gear. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Embodiment: as Figures 1-9The utility model provides a kind of splicing type hanging basket with high-level personnel protection function, including suspension unit 1, suspension platform 2, elevator 3, safety lock 4 and safety wire rope 5, elevator 3 and safety lock 4 are assembled on suspension platform 2, one end of safety wire rope 5 is assembled on suspension unit 1, the other end of safety wire rope 5 is assembled on safety lock 4, suspension platform 2 includes platform bottom plate 21, column rod 22, reinforcing rod 23 and gyro wheel 24, column rod 22 is assembled on the upper surface of platform bottom plate 21, reinforcing rod 23 is assembled between two adjacent column rods 22, gyro wheel 24 is assembled on the lower surface of platform bottom plate 21, column rod 22 is equipped with splicing mechanism 6, column rod 22 is also equipped with heightening protection subassembly 7, platform bottom plate 21 and column rod 22 are equipped with lifting mechanism 8, suspension platform 2 is used to carry operating personnel, construction equipment, construction tool and construction material, suspension unit 1 is assembled on building, the lifting of suspension platform 2 is realized by controlling safety wire rope 5, for operating personnel to complete high-altitude construction work, this is prior art, not do here, by setting splicing mechanism 6, splicing mechanism 6 can be easily realized the quick splicing of two suspension platforms 2, by setting heightening protection subassembly 7, heightening protection subassembly 7 can improve the protection height of suspension platform 2, to effectively protect the height of high-altitude operating personnel, by setting lifting mechanism 8, lifting mechanism 8 can improve the height of operating personnel, the height where operating personnel is located is fine-tuned, to facilitate operating personnel to carry out construction work;

[0030] The assembling mechanism 6 comprises a plurality of first fixing bases 61 and a plurality of second fixing bases 62, wherein two adjacent first fixing bases 61 are fixedly installed on the middle part of one stand column 22, two adjacent second fixing bases 62 are fixedly installed on another stand column 22, the inner wall of the first fixing base 61 is slidably installed with a splicing block 63, one end of the second fixing base 62 is provided with a splicing groove 64, the splicing block 63 can be conveniently inserted into the splicing groove 64 to quickly assemble two suspension platforms 2, the inner wall of the splicing block 63 and the splicing groove 64 is movably inserted, two locking bolts 65 are threadedly rotatably installed on the upper surface of the second fixing base 62, two first threaded holes 66 are provided on the upper surface of the splicing block 63, one end of the locking bolt 65 is threadedly rotatably connected with the inner wall of the first threaded hole 66, the splicing block 63 in the splicing groove 64 can be locked by rotating the locking bolt 65 into the first threaded hole 66, so that the first fixing base 61 and the second fixing base 62 are firmly fixed, two guide rods 67 are fixedly installed on the inner wall of the first fixing base 61, two sliding holes 68 are provided on the splicing block 63, the guide rods 67 penetrate through the sliding holes 68 and are slidably connected with the inner wall of the sliding holes 68, the guide rods 67 guide the splicing block 63 to move in the horizontal direction through the sliding holes 68, so that the splicing block 63 moves in the horizontal direction, one end of the first fixing base 61 is threadedly rotatably installed with a threaded rod 69, one end of the threaded rod 69 is rotatably connected with one end of the splicing block 63, a rotating handle 691 is fixedly installed on the end of the threaded rod 69 away from the splicing block 63, the rotating handle 691 can drive the threaded rod 69 to rotate by manually rotating the rotating handle 691, and the threaded rod 69 can drive the splicing block 63 to move in the horizontal direction.

[0031] The heightening protection assembly 7 comprises a plurality of movable columns 71, a protection rod 72 is fixedly installed between the movable columns 71, a cavity 74 is formed in an end of the stand column rod 22 away from the platform bottom plate 21, one end of the movable column 71 is in movable contact with an inner wall of the cavity 74, a plurality of telescopic rods 73 are uniformly distributed and fixedly installed on the reinforcing rod 23, a piston end of the telescopic rod 73 is fixedly connected with the protection rod 72, a fastening bolt 75 is threadedly rotatably installed at the end of the stand column rod 22 away from the platform bottom plate 21, a plurality of second threaded holes 76 are uniformly formed in the movable column 71, one end of one of the fastening bolts 75 is threadedly rotatably connected with an inner wall of one of the second threaded holes 76, the movable column 71 can be vertically lifted along the inner wall of the cavity 74 by arranging the movable column 71, the protection rod 72 and the cavity 74, so that the height of the movable column 71 and the protection rod 72 can be adjusted, and the overall protection height is adjusted, the piston end of the telescopic rod 73 is stretched when the movable column 71 and the protection rod 72 are vertically lifted by arranging the telescopic rod 73, so that the stability of the movable column 71 and the protection rod 72 is improved, the movable column 71 after being vertically lifted can be fixed by arranging the fastening bolt 75 and the second threaded hole 76, and the fastening bolt 75 can be screwed into the second threaded hole 76.

[0032] The lifting mechanism 8 comprises a lifting plate 81. When the operator stands on the upper surface of the lifting plate 81, the lifting plate 81 is driven to a small extent to rise, thereby adjusting the standing height of the operator, so that the operator can conveniently work. One side of the stand column 22 is provided with a guide groove 82. One end of the guide groove 82 is slidably provided with a guide block 83. One side of the guide block 83 is fixedly provided with a connecting plate 84. One end of the connecting plate 84 is fixedly connected with the lifting plate 81. The guide groove 82, the guide block 83 and the connecting plate 84 are arranged. The guide block 83 vertically slides in the guide groove 82 and can vertically guide the lifting plate 81 through the connecting plate 84, so that the lifting plate 81 vertically rises and falls. The upper surface of the platform bottom plate 21 is provided with a slot 85. Four sliding blocks 86 are slidably arranged in the inner wall of the slot 85. The upper surface of each sliding block 86 is fixedly provided with a first connecting seat 87. The lower surface of the lifting plate 81 is fixedly provided with four second connecting seats 88 which are evenly distributed. Four lifting rods 89 are arranged in the slot 85. One end of each lifting rod 89 is hingedly connected with one first connecting seat 87. The other end of each lifting rod 89 is hingedly connected with one second connecting seat 88. Two adjacent sliding blocks 86 are driven to slide towards each other or away from each other. The two sliding blocks 86 can make the lifting plate 81 vertically rise or fall through the first connecting seat 87, the lifting rod 89 and the second connecting seat 88. Two double-headed screws 9 are rotatably arranged in the inner wall of the slot 85. One double-headed screw 9 penetrates through two sliding blocks 86 and is threadedly rotatably connected with the two sliding blocks 86. The double-headed screw 9 can drive two adjacent sliding blocks 86 to slide towards each other or away from each other by rotating. One end of each double-headed screw 9 is fixedly provided with a synchronous wheel 91. A synchronous belt 92 is drivingly arranged between the two synchronous wheels 91. When one double-headed screw 9 rotates, the other double-headed screw 9 can be synchronously and uniformly rotated by the two synchronous wheels 91 and the synchronous belt 92. The lower surface of the platform bottom plate 21 is fixedly provided with a motor 93. A rotating rod 95 is fixedly arranged on the driving output end of the motor 93. A bevel gear 96 is fixedly arranged on one end of the rotating rod 95 and one end of one double-headed screw 9. The two bevel gears 96 are meshed with each other. The motor 93 can make the rotating rod 95 rotate by driving the shaft. The rotating rod 95 can make one double-headed screw 9 rotate by the two bevel gears 96. The bottom end of the motor 93 is fixedly provided with an L-shaped support frame 94. One end of the L-shaped support frame 94 is fixedly connected with the lower surface of the platform bottom plate 21. The L-shaped support frame 94 can support and fix the motor 93, thereby improving the stability of the motor 93.

[0033] Working principle: when two suspended platforms 2 need to be assembled, the workers first align and place two suspended platforms 2 together, at this time, a plurality of first fixing seats 61 correspond horizontally with a plurality of second fixing seats 62, then a plurality of rotating handles 691 are rotated, a plurality of threaded rods 69 are rotated, a plurality of splicing blocks 63 are driven to move horizontally towards the side of the corresponding splicing groove 64, until the plurality of splicing blocks 63 are completely inserted into the corresponding splicing groove 64, then the plurality of rotating handles 691 are stopped, then the plurality of locking bolts 65 are screwed into the corresponding first threaded holes 66, at this time, the two suspended platforms 2 are fixed together and form a whole, thereby conveniently realizing the quick assembly of the suspended platform 2, and effectively improving the convenience of the assembly of the suspended platform 2;

[0034] When the height of the overhead worker needs to be protected according to the height of the overhead worker, the workers first unscrew the plurality of fastening bolts 75 counterclockwise, so that the plurality of fastening bolts 75 are separated from the corresponding second threaded holes 76, then the movable column 71 and the protection rod 72 are pulled upward or downward to adjust the height of the movable column 71 and the protection rod 72, then the plurality of fastening bolts 75 are screwed into the corresponding second threaded holes 76 to fix the lifted movable column 71, thereby conveniently adjusting the protection height of the suspended platform 2, and effectively protecting the overhead worker with high height, avoiding the influence on the protection effect due to the low protection height;

[0035] When the suspension unit 1 lifts the height of the suspended platform 2 by controlling the safety steel wire rope 5, after stopping, the overhead worker performs overhead work on the suspended platform 2, when the height of the overhead worker does not correspond to the construction point, the overhead worker stands on the lifting plate 81, then the motor 93 is started, the driving shaft of the motor 93 drives the rotating rod 95 to rotate, the rotating rod 95 drives the corresponding one double-headed screw rod 9 to rotate through the two bevel gears 96, one double-headed screw rod 9 drives the other double-headed screw rod 9 to rotate synchronously and in the same direction through the two synchronous pulleys 91 and the synchronous belt 92, the two double-headed screw rods 9 drive the adjacent two sliding blocks 86 to move away from each other, at this time, the four sliding blocks 86 drive the lifting plate 81 to vertically rise through the corresponding first connecting seat 87, lifting rod 89 and second connecting seat 88, until the height of the overhead worker standing on the lifting plate 81 corresponds to the construction point, then the motor 93 is turned off, thereby conveniently realizing the fine adjustment of the height of the overhead worker on the suspended platform 2, and facilitating the overhead worker to conveniently complete the overhead work.

[0036] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A spliced hanging basket with high-level personnel protection function, comprising a suspension unit (1), a suspension platform (2), a hoist (3), a safety lock (4) and a safety steel wire rope (5), the hoist (3) and the safety lock (4) are assembled on the suspension platform (2), one end of the safety steel wire rope (5) is assembled on the suspension unit (1), and the other end of the safety steel wire rope (5) is assembled on the safety lock (4), characterized in that: The suspension platform (2) comprises a platform bottom plate (21), a column rod (22), a reinforcing rod (23) and a roller (24), the column rod (22) is assembled on the upper surface of the platform bottom plate (21), the reinforcing rod (23) is assembled between two adjacent column rods (22), the roller (24) is assembled on the lower surface of the platform bottom plate (21), the column rod (22) is provided with an assembly mechanism (6), and the column rod (22) is also provided with a heightening protection assembly (7); the platform bottom plate (21) and the column rod (22) are provided with a lifting mechanism (8). The assembly mechanism (6) comprises a plurality of first fixing seats (61) and a plurality of second fixing seats (62), wherein two adjacent first fixing seats (61) are fixedly installed on the middle part of one column rod (22), and two adjacent second fixing seats (62) are fixedly installed on another column rod (22); a slidingly installed splicing block (63) is arranged on the inner wall of the first fixing seat (61); a splicing groove (64) is formed in one end of the second fixing seat (62); the inner walls of the splicing block (63) and the splicing groove (64) are movably inserted; two locking bolts (65) are threadedly rotatably installed on the upper surface of the second fixing seat (62); two first threaded holes (66) are formed in the upper surface of the splicing block (63); one end of the locking bolt (65) is threadedly rotatably connected with the inner wall of the first threaded hole (66); and a threaded rod (69) is threadedly rotatably installed at one end of the first fixing seat (61), and one end of the threaded rod (69) is rotatably connected with one end of the splicing block (63).

2. The spliced hanging basket with high-level personnel protection function according to claim 1, characterized in that, Two guide rods (67) are fixedly installed on the inner wall of the first fixing seat (61), and two sliding holes (68) are formed in the splicing block (63); the guide rods (67) penetrate through the sliding holes (68) and are slidably connected with the inner walls of the sliding holes (68).

3. The spliced hanging basket with high-level personnel protection function according to claim 1, characterized in that, A rotating handle (691) is fixedly installed at the end of the threaded rod (69) away from the splicing block (63).

4. The spliced hanging basket with high-level personnel protection function according to claim 1, characterized in that, The heightening protection assembly (7) comprises a plurality of movable columns (71), the movable columns (71) are fixedly installed between the protection rods (72), one end of the movable column (71) is movably in contact with the inner wall of the cavity (74) formed in the end of the column rod (22) away from the platform bottom plate (21).

5. The spliced hanging basket with high-level personnel protection function according to claim 4, characterized in that, A plurality of uniformly distributed telescopic rods (73) are fixedly installed on the reinforcing rod (23), and the piston end of the telescopic rod (73) is fixedly connected with the protection rod (72).

6. The spliced hanging basket with high-level personnel protection function according to claim 4, characterized in that, A fastening bolt (75) is threadedly rotatably installed at the end of the column rod (22) away from the platform bottom plate (21), a plurality of second threaded holes (76) are uniformly formed in the movable column (71), and one end of one fastening bolt (75) is threadedly rotatably connected with the inner wall of one second threaded hole (76).

7. The spliced hanging basket with high-level personnel protection function according to claim 1, characterized in that, The lifting mechanism (8) includes a lifting plate (81), the upper surface of the platform bottom plate (21) is provided with a notch (85), the inner wall of the notch (85) is slidably installed with four sliding blocks (86), the upper surface of the sliding block (86) is fixedly installed with a first connecting seat (87), the lower surface of the lifting plate (81) is fixedly installed with four second connecting seats (88) which are uniformly distributed, four lifting rods (89) are arranged in the notch (85), one end of the lifting rod (89) is hinged to the first connecting seat (87), and the other end of the lifting rod (89) is hinged to the second connecting seat (88).

8. The spliced hanging basket with high-level personnel protection function according to claim 7, characterized in that, One side of the column rod (22) is provided with a guide groove (82), one end of the guide groove (82) is slidably installed with a guide block (83), one side of the guide block (83) is fixedly installed with a connecting plate (84), and one end of the connecting plate (84) is fixedly connected with the lifting plate (81).

9. The spliced harness with high-level personnel protection function according to claim 7, characterized in that, The inner wall of the notch (85) is rotatably installed with two double-head screws (9), one of the double-head screws (9) penetrates through the two sliding blocks (86) and is threadedly rotatably connected with the two sliding blocks (86), one end of the two double-head screws (9) is fixedly installed with a synchronous wheel (91), the two synchronous wheels (91) are drivingly installed with a synchronous belt (92) between them, the lower surface of the platform bottom plate (21) is fixedly provided with a motor (93), the driving output end of the motor (93) is fixedly installed with a rotating rod (95), one end of the rotating rod (95) and one end of the double-head screw (9) are fixedly installed with a bevel gear (96), and the two bevel gears (96) are meshed with each other.

10. The spliced harness with high-level personnel protection function according to claim 9, characterized in that, The bottom end of the motor (93) is fixedly installed with an L-shaped support frame (94), one end of the L-shaped support frame (94) is fixedly connected with the lower surface of the platform bottom plate (21).

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