Hoisting equipment for observation platform

Abstract

The invention relates to the technical field of hoisting equipment, in particular to hoisting equipment for an observation platform, and provides the following scheme aiming at the defects that a steel wire rope is knotted and the working efficiency is influenced due to the fact that the steel wire rope is inconvenient to uniformly wind on a wind-up roller in the hoisting working process of the hoisting equipment in the prior art. The device comprises a base and an observation platform. The first rotating shaft is rotatably mounted at the top of the base, a rotating disc is fixedly mounted at one end of the first rotating shaft, the rotating disc is rotatably mounted on the base, a first mounting box is fixedly mounted at the bottom of the base, and a first stepping motor is fixedly mounted on the inner wall of the first mounting box; an output shaft of the first stepping motor is fixedly connected with the first rotating shaft; according to the steel wire rope winding device, a steel wire rope can be uniformly wound on the winding roller in the hoisting working process, so that the steel wire rope is prevented from being knotted, and the working efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hoisting equipment, and in particular to a hoisting device for an observation platform. Background Art

[0002] The hoisting device for an observation platform is a hoisting machine specially used for installing and maintaining observation platform components (such as anemometers, jacket platforms, etc.). The hoisting device for a quartz observation platform is a special equipment designed for the installation of precision instruments or quartz observation devices, and is a hoisting device that needs to take into account stability, shock resistance and micron-level positioning accuracy.

[0003] The patent document with the publication number CN219526080U discloses a hoisting device for a floating platform, including: a floating platform, a rotating base is installed on one side of the floating platform; a hoisting component, the hoisting component is arranged on one side of the rotating base and is used for hoisting work during use; a balancing component, the balancing component is arranged on one side inside the rotating base and is connected to the hoisting component, and is used for balancing the center of gravity during the work of the hoisting component; when the floating platform hoisting device is hoisting, the hoisting component is used for hoisting work, and during hoisting, the balancing component on one side of the hoisting component will perform balancing work during hoisting on one side of the floating platform, thereby preventing the device from collapsing during hoisting.

[0004] However, the above-mentioned hoisting device for an observation platform is not convenient for evenly winding the steel wire rope on the winding roller during the hoisting work, which will cause the steel wire rope to knot and affect the work efficiency. Summary of the Invention

[0005] The purpose of the present invention is to solve the defect that the existing hoisting device is not convenient for evenly winding the steel wire rope on the winding roller during the hoisting work, which will cause the steel wire rope to knot and affect the work efficiency, and to propose a hoisting device for an observation platform.

[0006] The hoisting device for an observation platform provided by the present invention adopts the following technical solutions: A hoisting device for an observation platform, including: A base and an observation platform; A first rotating shaft is rotatably installed on the top of the base, and a turntable is fixedly installed at one end of the first rotating shaft. The turntable is rotatably installed on the base, and a first installation box is fixedly installed at the bottom of the base. A first stepping motor is fixedly installed on the inner wall of the first installation box, and the output shaft of the first stepping motor is fixedly connected to the first rotating shaft; The first fixed column is fixedly installed on the top of the turntable. A first lead screw is threadedly connected to the top of the first fixed column. A second fixed column is rotatably installed on the first lead screw. The second fixed column is slidably installed on the first fixed column. A second mounting box is fixedly installed on the second fixed column. A first driving motor is fixedly installed on the inner wall of the second mounting box. The output shaft of the first driving motor is fixedly connected to the first lead screw; There are two fixing plates, and both fixing plates are fixedly installed on one side of the second fixed column. The same second rotating shaft is rotatably installed on the two fixing plates. A third fixed column is fixedly installed on the second rotating shaft. A second driving motor is installed on one side of the third fixed column. A fourth fixed column is slidably installed on one side of the third fixed column. Fixed pulleys are fixedly installed on the second fixed column, the second mounting box, the third fixed column and the fourth fixed column; There are two support plates, and both support plates are fixedly installed on the top of the turntable; The moving component is rotatably installed on the third fixed column; The supporting component is rotatably installed on the top of the base; The lifting and hoisting component is rotatably installed on the two support plates; The reciprocating component is rotatably installed on the two support plates.

[0007] Further, the moving component includes a second lead screw, and the second lead screw is rotatably installed on the third fixed column. The output shaft of the second driving motor is fixedly connected to the second lead screw. The second lead screw is threadedly connected to the fourth fixed column. One of the two fixing plates is fixedly installed with a third mounting box. A second stepping motor is fixedly installed on the inner wall of the third mounting box. The output shaft of the second stepping motor is fixedly connected to the second rotating shaft.

[0008] Further, the lifting and hoisting component includes a winding roller, and the winding roller is rotatably installed on the two support plates. The reciprocating component includes a reciprocating lead screw, and the reciprocating lead screw is rotatably installed on the two support plates. The same sliding rod is fixedly installed on the two support plates. A moving block is threadedly connected to the reciprocating lead screw. The moving block is slidably installed on the sliding rod. A guiding wheel is fixedly installed on the moving block. A steel wire rope is wound around the winding roller. The steel wire rope is connected to the observation platform through the guiding wheel and multiple fixed pulleys.

[0009] Further, the supporting component includes four third lead screws, and the four third lead screws are all rotatably installed on the top of the base. U-shaped frames are threadedly connected to the four third lead screws. Two moving plates are respectively fixedly installed on the four U-shaped frames. Two telescopic limiting rods are fixedly installed on the bottom of the base. The two telescopic limiting rods are respectively fixedly connected to the two moving plates.

[0010] Furthermore, first sprockets are fixedly installed on two of the four third lead screws, and first chains are meshed with both of the two first sprockets. Second sprockets are meshed with both of the two first chains, and the two second sprockets are respectively fixedly installed on the other two of the four third lead screws. A fourth installation box is fixedly installed on the top of the base, and a third driving motor is fixedly installed on the inner wall of the fourth installation box. The output shaft of the third driving motor is fixedly connected to one of the four third lead screws.

[0011] Furthermore, a third sprocket is fixedly installed on one of the four third lead screws fixedly connected to the output shaft of the third driving motor, and a second chain is meshed with the third sprocket. A fourth sprocket is meshed with the second chain, and the fourth sprocket is fixedly installed on the other one of the four third lead screws away from the third driving motor.

[0012] Furthermore, a support block is fixedly installed on the second fixed column, and a first transmission shaft is rotatably installed on the support block. A second transmission shaft is slidably installed at one end of the first transmission shaft, and the second transmission shaft is rotatably installed on the top of the turntable. A fifth sprocket is fixedly installed on the first lead screw, and a third chain is meshed with the fifth sprocket. A sixth sprocket is meshed with the third chain, and the sixth sprocket is fixedly installed on the first transmission shaft.

[0013] Furthermore, a worm is rotatably installed on the top of the turntable, and a worm gear is meshed with the worm. The worm gear is fixedly installed on the winding roller.

[0014] Furthermore, a seventh sprocket is fixedly installed on the second transmission shaft, and a fourth chain is meshed with the seventh sprocket. An eighth sprocket is meshed with the fourth chain, and the eighth sprocket is fixedly installed on the worm.

[0015] Furthermore, a ninth sprocket is fixedly installed on the winding roller, and a fifth chain is meshed with the ninth sprocket. A tenth sprocket is meshed with the fifth chain, and the tenth sprocket is fixedly installed on the reciprocating lead screw.

[0016] In summary, the present invention includes at least one of the following beneficial technical effects: 1. By starting the first stepping motor, the first stepping motor drives the first rotating shaft to rotate, and the first rotating shaft drives the turntable to rotate, facilitating horizontal angle adjustment. 2. The reciprocating lead screw can drive the moving block to reciprocate, and the moving block drives the guide wheel to reciprocate, facilitating the uniform winding of the wire rope on the winding roller, avoiding knotting of the wire rope, and improving work efficiency. 3. It is capable of driving four U-shaped frames to move respectively through four third lead screws, and the four U-shaped frames drive two moving plates to move respectively. By making the two moving plates contact the ground, the four moving wheels are lifted off the ground, improving the working stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. 6 is a front view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 2 FIG. 7 is a front view and side view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 3 FIG. 8 is a rear view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 4 FIG. 9 is a rear view and side view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 5 FIG. 10 is a sectional view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 6 FIG. 11 is a bottom view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 7 FIG. 12 is a front view and side view partial sectional view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 8 FIG. 13 is a rear view and side view partial sectional view structural schematic diagram of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 9 FIG. 14 is a structural schematic diagram of a lifting and hoisting assembly of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 10 FIG. 15 is a structural schematic diagram of a sprocket drive of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 11 FIG. 16 is a sectional view structural schematic diagram of a second installation box of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 12 FIG. 17 is a sectional view structural schematic diagram of a second fixing column of a hoisting device for an observation platform in Embodiment 1 of the present invention; Figure 13 FIG. 18 is Figure 7 an enlarged schematic view of part A in FIG. 18; Figure 14 FIG. 19 is Figure 5 an enlarged schematic view of part B in FIG. 19; Figure 15 FIG. 20 is Figure 3 an enlarged schematic view of part C in FIG. 20.

[0018] Reference numerals: 1, base; 2, first rotating shaft; 3, turntable; 4, first mounting box; 5, first stepping motor; 6, first fixing column; 7, first lead screw; 8, second fixing column; 9, second mounting box; 10, first driving motor; 11, fixing plate; 12, second rotating shaft; 13, third fixing column; 14, second driving motor; 15, second lead screw; 16, fourth fixing column; 17, observation platform; 18, third mounting box; 19, second stepping motor; 20, fixed pulley; 21, support plate; 22, winding roller; 23, reciprocating lead screw; 24, slide bar; 25, moving block; 26, steel wire rope; 27, third lead screw; 28, first sprocket; 29, first chain; 30, second sprocket; 31, fourth mounting box; 32, third driving motor; 33, third sprocket; 34, second chain; 35, fourth sprocket; 36, support block; 37, first transmission shaft; 38, second transmission shaft; 39, fifth sprocket; 40, third chain; 41, sixth sprocket; 42, worm; 43, worm gear; 44, seventh sprocket; 45, fourth chain; 46, eighth sprocket; 47, ninth sprocket; 48, fifth chain; 49, tenth sprocket; 50, U-shaped frame; 51, moving plate; 52, telescopic limit rod. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Embodiment 1

[0021] Referring to Figures 1-15 , a hoisting device for an observation platform, comprising: A base 1 and an observation platform 17. A circular groove and four first through holes are formed in the top of the base 1, and a second through hole is formed in the bottom inner wall of the groove; Moving wheels, four of them are provided, and all four moving wheels are fixedly installed on the bottom of the base 1; A first rotating shaft 2 is rotatably installed in the second through hole, and a turntable 3 is fixedly installed at one end of the first rotating shaft 2. The turntable 3 is rotatably installed on the inner wall of the circular groove, and a first mounting box 4 is fixedly installed at the bottom of the base 1. A first stepping motor 5 is fixedly installed on the inner wall of the first mounting box 4, and the output shaft of the first stepping motor 5 is fixedly connected to the first rotating shaft 2; The first fixed column 6 is fixedly installed on the top of the turntable 3, and a first threaded hole is opened at the top of the first fixed column 6. A first lead screw 7 is threadedly connected to the first threaded hole, and a second fixed column 8 is rotatably installed on the first lead screw 7. The second fixed column 8 is slidably installed on the first fixed column 6, and a second mounting box 9 is fixedly installed on the second fixed column 8. A first driving motor 10 is fixedly installed on the inner wall of the second mounting box 9, and the output shaft of the first driving motor 10 is fixedly connected to the first lead screw 7; The fixing plates 11 are provided with two, and both of the two fixing plates 11 are fixedly installed on one side of the second fixed column 8. The same second rotating shaft 12 is rotatably installed on the two fixing plates 11, and a third fixed column 13 is fixedly installed on the second rotating shaft 12. A chute is opened on one side of the third fixed column 13, and a second driving motor 14 is fixedly installed on the inner wall of the chute. A fourth fixed column 16 is slidably installed in the chute, and a second threaded hole is opened on the fourth fixed column 16. Fixed pulleys 20 are fixedly installed on the second fixed column 8, the second mounting box 9, the third fixed column 13, and the fourth fixed column 16; The support plates 21 are provided with two, and both of the two support plates 21 are fixedly installed on the top of the turntable 3; The moving component is rotatably installed in the chute; The support component is rotatably installed in the four first through holes; The hoisting and lifting component is rotatably installed on the two support plates 21; The reciprocating component is rotatably installed on the two support plates 21.

[0022] Specifically, the moving component includes a second lead screw 15, and the second lead screw 15 is rotatably installed in the chute. The output shaft of the second driving motor 14 is fixedly connected to the second lead screw 15, and the second lead screw 15 is threadedly connected to the second threaded hole. A third mounting box 18 is fixedly installed on one of the two fixing plates 11, and a second stepping motor 19 is fixedly installed on the inner wall of the third mounting box 18. The output shaft of the second stepping motor 19 is fixedly connected to the second rotating shaft 12.

[0023] Specifically, the hoisting and lifting component includes a winding roller 22, and the winding roller 22 is rotatably installed on the two support plates 21. The reciprocating component includes a reciprocating lead screw 23, and the reciprocating lead screw 23 is rotatably installed on the two support plates 21. The same slide bar 24 is fixedly installed on the two support plates 21, and a moving block 25 is threadedly connected to the reciprocating lead screw 23. The moving block 25 is slidably installed on the slide bar 24, and a guide wheel is fixedly installed on the moving block 25. A steel wire rope 26 is wound around the winding roller 22, and the steel wire rope 26 is connected to the observation platform 17 through the guide wheel and a plurality of fixed pulleys 20.

[0024] Specifically, the supporting component includes four third lead screws 27, and the four third lead screws 27 are respectively rotatably installed in four first through holes. U-shaped frames 50 are threadedly connected to the four third lead screws 27, and two moving plates 51 are respectively fixedly installed on the four U-shaped frames 50. Two telescopic limiting rods 52 are fixedly installed at the bottom of the base 1, and the two telescopic limiting rods 52 are respectively fixedly connected to the two moving plates 51.

[0025] Specifically, first sprockets 28 are fixedly installed on two of the four third lead screws 27, and the two first sprockets 28 are both engaged with a first chain 29. The two first chains 29 are both engaged with a second sprocket 30, and the two second sprockets 30 are respectively fixedly installed on the other two of the four third lead screws 27. A fourth installation box 31 is fixedly installed at the top of the base 1, and a third driving motor 32 is fixedly installed on the inner wall of the fourth installation box 31. The output shaft of the third driving motor 32 is fixedly connected to one of the four third lead screws 27.

[0026] Specifically, a third sprocket 33 is fixedly installed on one of the four third lead screws 27 that is fixedly connected to the output shaft of the third driving motor 32, and the third sprocket 33 is engaged with a second chain 34. The second chain 34 is engaged with a fourth sprocket 35, and the fourth sprocket 35 is fixedly installed on the other of the four third lead screws 27 that is far away from the third driving motor 32.

[0027] Specifically, a support block 36 is fixedly installed on the second fixed column 8, and a first transmission shaft 37 is rotatably installed on the support block 36. A rectangular groove is formed at one end of the first transmission shaft 37, and a second transmission shaft 38 is slidably installed in the rectangular groove. The second transmission shaft 38 is rotatably installed on the top of the turntable 3, and a fifth sprocket 39 is fixedly installed on the first lead screw 7. The fifth sprocket 39 is engaged with a third chain 40, and the third chain 40 is engaged with a sixth sprocket 41, and the sixth sprocket 41 is fixedly installed on the first transmission shaft 37.

[0028] Specifically, a worm 42 is rotatably installed on the top of the turntable 3, and the worm 42 is engaged with a worm gear 43. The worm gear 43 is fixedly installed on the winding roller 22.

[0029] Specifically, a seventh sprocket 44 is fixedly installed on the second transmission shaft 38, and the seventh sprocket 44 is engaged with a fourth chain 45. The fourth chain 45 is engaged with an eighth sprocket 46, and the eighth sprocket 46 is fixedly installed on the worm 42.

[0030] Specifically, a ninth sprocket 47 is fixedly installed on the winding roller 22, and the ninth sprocket 47 is engaged with a fifth chain 48. The fifth chain 48 is engaged with a tenth sprocket 49, and the tenth sprocket 49 is fixedly installed on the reciprocating lead screw 23.

[0031] The implementation principle of a hoisting device for an observation platform in an embodiment of the present invention is as follows: When in use, it is moved to a suitable position through four moving wheels. At this time, the third driving motor 32 is started, and the third driving motor 32 drives one of the four third lead screws 27 to rotate. One of the four third lead screws 27 fixedly connected to the output shaft of the third driving motor 32 drives the third sprocket 33 to rotate. The third sprocket 33 drives the fourth sprocket 35 to rotate through the second chain 34. The fourth sprocket 35 drives the other third lead screw 27 among the four third lead screws 27 that is far from the third driving motor 32 to rotate. Two of the four third lead screws 27 respectively drive two first sprockets 28 to rotate. The two first sprockets 28 respectively drive two second sprockets 30 to rotate through two first chains 29. The two second sprockets 30 respectively drive the other two third lead screws 27 among the four third lead screws 27 to rotate. The four third lead screws 27 respectively drive four U-shaped frames 50 to move. The four U-shaped frames 50 respectively drive two moving plates 51 to move. By making the two moving plates 51 contact the ground, the four moving wheels are lifted off the ground. Through its working stability, at this time, the first driving motor 10 and the second driving motor 14 are respectively and simultaneously started. The first driving motor 10 drives the first lead screw 7 to rotate according to the first threaded hole, so that the first lead screw 7 is lifted and lowered as a whole. At the same time, the first lead screw 7 drives the second fixed column 8 to be lifted and lowered. The second fixed column 8 drives the second mounting box 9 to be lifted and lowered. The second mounting box 9 drives the first driving motor 10 to rotate. At the same time, the second fixed column 8 drives two fixing plates 11 to move. The two fixing plates 11 drive the same second rotating shaft 12 to move. The second rotating shaft 12 drives the third fixed column 13 to move as a whole. The third fixed column 13 drives the second driving motor 14 and the fourth fixed column 16 to move. The second fixed column 8, the second mounting box 9, the third fixed column 13, and the fourth fixed column 16 respectively drive a plurality of fixed pulleys 20 to move for height adjustment. At the same time, the second driving motor 14 drives the second lead screw 15 to rotate. The second lead screw 15 drives the fourth fixed column 16 to move for length adjustment. At the same time, the first lead screw 7 drives the fifth sprocket 39 to rotate. The fifth sprocket 39 drives the sixth sprocket 41 to rotate through the third chain 40. The sixth sprocket 41 drives the first transmission shaft 37 to rotate. The first transmission shaft 37 drives the second transmission shaft 38 to rotate. The second transmission shaft 38 drives the seventh sprocket 44 to rotate. The seventh sprocket 44 drives the eighth sprocket 46 to rotate through the fourth chain 45. The eighth sprocket 46 drives the worm 42 to rotate. The worm 42 drives the worm gear 43 to rotate. The worm gear 43 drives the winding roller 22 to rotate. Through the transmission of the worm 42 and the worm gear 43, the rotation speed of the winding roller 22 can be reduced, which is convenient for automatically adjusting the winding of the steel wire rope 26 and the observation platform 17 according to the height and length. At the same time, the second stepping motor 19 is started. The second stepping motor 19 drives the second rotating shaft 12 to rotate as a whole. The second rotating shaft 12 drives the third fixed column 13 and the fourth fixed column 16 to rotate as a whole.It is convenient to realize the fine adjustment of the inclination angle of the observation platform 17, and it supports folding and storage to reduce space occupation. At the same time, the winding roller 22 drives the ninth sprocket 47 to rotate, the ninth sprocket 47 drives the tenth sprocket 49 to rotate through the fifth chain 48, the tenth sprocket 49 drives the reciprocating lead screw 23 to rotate, the reciprocating lead screw 23 drives the moving block 25 to move reciprocally, and the moving block 25 drives the guide wheel to move reciprocally, which is convenient for evenly winding the wire rope 26 on the winding roller 22, avoiding knotting of the wire rope 26, improving work efficiency, and by starting the first stepping motor 5, the first stepping motor 5 drives the first rotating shaft 2 to rotate, and the first rotating shaft 2 drives the turntable 3 to rotate, which is convenient for horizontal angle adjustment.

[0032] Embodiment 2

[0033] The difference between this embodiment and Embodiment 1 is that an integrated magnetic base, a balance bar, a laser projection light, and a digital sensor are installed on the top of the turntable 3. The deviation is amplified by the laser projected onto the observation platform 17 to monitor the balance state of the crossbeam or the hoisting platform in real time, and through the digital sensor, remote monitoring and automatic calibration of the levelness during the hoisting process are realized.

[0034] The above are all the preferred embodiments of the present invention. The protection scope of the present invention is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A hoisting device for an observation platform, characterized in that: Including: A base (1) and an observation platform (17); A first rotating shaft (2) rotatably mounted on the top of the base (1), and a turntable (3) fixedly mounted at one end of the first rotating shaft (2). The turntable (3) is rotatably mounted on the base (1), and a first mounting box (4) is fixedly mounted at the bottom of the base (1). A first stepping motor (5) is fixedly mounted on the inner wall of the first mounting box (4), and the output shaft of the first stepping motor (5) is fixedly connected to the first rotating shaft (2); A first fixing column (6) fixedly mounted on the top of the turntable (3), and a first lead screw (7) threadedly connected to the top of the first fixing column (6). A second fixing column (8) is rotatably mounted on the first lead screw (7); Two fixing plates (11) are provided, and both of the two fixing plates (11) are fixedly mounted on one side of the second fixing column (8); Two support plates (21) are provided, and both of the two support plates (21) are fixedly mounted on the top of the turntable (3); A moving assembly rotatably mounted on the third fixing column (13); A support assembly rotatably mounted on the top of the base (1); A hoisting and lifting assembly rotatably mounted on the two support plates (21); A reciprocating assembly rotatably mounted on the two support plates (21).

2. The hoisting device for an observation platform according to claim 1, characterized in that: The second fixing column (8) is slidably mounted on the first fixing column (6), and a second mounting box (9) is fixedly mounted on the second fixing column (8). A first driving motor (10) is fixedly mounted on the inner wall of the second mounting box (9), and the output shaft of the first driving motor (10) is fixedly connected to the first lead screw (7); The same second rotating shaft (12) is rotatably mounted on the two fixing plates (11), and a third fixing column (13) is fixedly mounted on the second rotating shaft (12). A second driving motor (14) is provided on one side of the third fixing column (13), and a fourth fixing column (16) is slidably mounted on one side of the third fixing column (13). Fixed pulleys (20) are fixedly mounted on the second fixing column (8), the second mounting box (9), the third fixing column (13) and the fourth fixing column (16); The moving assembly includes a second lead screw (15) rotatably mounted on the third fixing column (13). The output shaft of the second driving motor (14) is fixedly connected to the second lead screw (15), and the second lead screw (15) is threadedly connected to the fourth fixing column (16). A third mounting box (18) is fixedly mounted on one of the two fixing plates (11), and a second stepping motor (19) is fixedly mounted on the inner wall of the third mounting box (18). The output shaft of the second stepping motor (19) is fixedly connected to the second rotating shaft (12).

3. The hoisting device for an observation platform according to claim 2, characterized in that: The lifting and hoisting assembly includes a winding roller (22), and the winding roller (22) is rotatably installed on two support plates (21). The reciprocating assembly includes a reciprocating lead screw (23), and the reciprocating lead screw (23) is rotatably installed on the two support plates (21). The same slide bar (24) is fixedly installed on the two support plates (21), and a moving block (25) is threadedly connected to the reciprocating lead screw (23). The moving block (25) is slidably installed on the slide bar (24), and a guide wheel is fixedly installed on the moving block (25). A steel wire rope (26) is wound around the winding roller (22), and the steel wire rope (26) is connected to the observation platform (17) through the guide wheel and a plurality of fixed pulleys (20).

4. The hoisting equipment for an observation platform according to claim 3, characterized in that: The support assembly includes four third lead screws (27), and the four third lead screws (27) are all rotatably installed on the top of the base (1). U-shaped frames (50) are threadedly connected to the four third lead screws (27), and two moving plates (51) are respectively fixedly installed on the four U-shaped frames (50). Two telescopic limiting rods (52) are fixedly installed on the bottom of the base (1), and the two telescopic limiting rods (52) are respectively fixedly connected to the two moving plates (51).

5. The hoisting device for an observation platform according to claim 4, characterized in that: One of the two first sprockets (28) is fixedly installed on each of the four third lead screws (27), and the two first sprockets (28) are both engaged with a first chain (29). The two first chains (29) are both engaged with a second sprocket (30), and the two second sprockets (30) are respectively fixedly installed on the other two of the four third lead screws (27). A fourth installation box (31) is fixedly installed on the top of the base (1), and a third driving motor (32) is fixedly installed on the inner wall of the fourth installation box (31). The output shaft of the third driving motor (32) is fixedly connected to one of the four third lead screws (27).

6. The hoisting device for an observation platform according to claim 5, characterized in that: A third sprocket (33) is fixedly installed on one of the four third lead screws (27) that is fixedly connected to the output shaft of the third driving motor (32), and the third sprocket (33) is engaged with a second chain (34). The second chain (34) is engaged with a fourth sprocket (35), and the fourth sprocket (35) is fixedly installed on the other of the four third lead screws (27) that is far from the third driving motor (32).

7. The hoisting equipment for an observation platform according to claim 6, characterized in that: A support block (36) is fixedly installed on the second fixed column (8), and a first transmission shaft (37) is rotatably installed on the support block (36). A second transmission shaft (38) is slidably installed at one end of the first transmission shaft (37), and the second transmission shaft (38) is rotatably installed on the top of the turntable (3). A fifth sprocket (39) is fixedly installed on the first lead screw (7), and the fifth sprocket (39) is engaged with a third chain (40). The third chain (40) is engaged with a sixth sprocket (41), and the sixth sprocket (41) is fixedly installed on the first transmission shaft (37).

8. The hoisting equipment for an observation platform according to claim 7, characterized in that: A worm (42) is rotatably mounted on the top of the turntable (3), and the worm (42) meshes with a worm wheel (43), and the worm wheel (43) is fixedly mounted on the winding roller (22).

9. The hoisting equipment for an observation platform according to claim 8, characterized in that: A seventh sprocket (44) is fixedly mounted on the second transmission shaft (38), and the seventh sprocket (44) meshes with a fourth chain (45), the fourth chain (45) meshes with an eighth sprocket (46), and the eighth sprocket (46) is fixedly mounted on the worm (42).

10. The hoisting device for an observation platform according to claim 9, characterized in that: A ninth sprocket (47) is fixedly mounted on the winding roller (22), and the ninth sprocket (47) meshes with a fifth chain (48), the fifth chain (48) meshes with a tenth sprocket (49), and the tenth sprocket (49) is fixedly mounted on the reciprocating lead screw (23).

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