A hoist for a suspended platform

Abstract

The utility model discloses a hoist for a suspension platform, comprising: an outer shell and a steel wire rope, a driving disk being rotatably connected in the middle part of the outer shell, a rope outlet tube being fixedly connected to the upper side wall of the outer shell above the left side of the driving disk, the upper end of the rope outlet tube extending to the outside of the outer shell, and a rope inlet tube being fixedly connected to the lower side wall of the outer shell below the left side of the driving disk, the lower end of the rope inlet tube extending to the outside of the outer shell, and a fixed pulley being rotatably connected in the outer shell below the left side of the rope outlet tube; the utility model can sense the tightness of the steel wire rope through the cooperation of a pressure sensing mechanism and a movable pulley, thereby sensing the size of the load of the suspension platform, the pressure sensing mechanism can drive the translation adjustment mechanism to operate through a transmission mechanism, the translation adjustment mechanism can adjust the extrusion force of two rope pressure wheels on the steel wire rope outside the driving disk, and make the extrusion force of the two rope pressure wheels on the steel wire rope outside the driving disk proportional to the load of the suspension platform.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a hoist for a suspension platform. Background Art

[0002] The hanging basket is a construction tool for high-altitude operations in construction projects, used for curtain wall installation and exterior wall cleaning. The cantilever frame is generally set on the roof near the parapet, and uses a lifting mechanism to drive the suspension platform, which is a construction facility that runs up and down along the outer facade of the building through wire ropes. The suspension platform serves as a working platform for the staff, and the load of the suspension platform is mainly affected by the hoist. The rope pulley in the hoist squeezes the wire rope around the outside of the drive disc, and the protective wire rope slips on the outside of the drive disc. That is, the greater the squeezing force of the rope pulley on the wire rope outside the drive disc, the greater the load of the suspension platform can be designed.

[0003] In order to ensure the load capacity of the suspension platform, the existing hoisting machine will design the squeezing force of the rope pressing wheel on the outer wire rope of the driving disc to be larger from the beginning.

[0004] However, at the beginning, the excessive squeezing pressure of the rope pulley on the outer side of the drive disc will greatly increase the load of the drive disc, that is, greatly increase the friction when the drive disc rotates. In this way, even if the suspension platform is carrying lighter materials and personnel, the excessive friction when the drive disc rotates will increase the energy consumption of the motor to drive the drive disc to rotate. Utility Model Content

[0005] The utility model aims to provide a hoist for a suspended platform to solve the technical problem that the extrusion force of the pressure rope wheel in the hoist on the outer wire rope of the driving disc is always large, thereby increasing the energy consumption of the hoist during operation.

[0006] The utility model solves the above-mentioned technical problem with the technical scheme as follows: a kind of hoist for suspending platform, comprises a shell and a steel wire rope, the middle part of the shell is rotatably connected with a driving disk, the upper side wall of the shell is fixedly connected with a rope outlet tube above the left side of the driving disk, the upper end of the rope outlet tube extends outside the shell, the lower side wall of the shell is fixedly connected with a rope inlet tube below the left side of the driving disk, the lower end of the rope inlet tube extends outside the shell, the shell is rotatably connected with a fixed pulley below the left side of the rope outlet tube, the fixed pulley is located above the driving disk, a moving frame is slidably connected with the shell in the left and right directions, the moving frame is rotatably connected with the moving pulley on the left side, the moving pulley is located between the driving disk and the fixed pulley, and moving blocks are symmetrically arranged on the left and right sides below the driving disk in the shell, the moving blocks are slidably connected with the inner wall of the shell in the left and right directions, the upper sides of the moving blocks are fixedly connected with a U-shaped frame, the upper sides of the U-shaped frame are rotatably connected with a rope pressing wheel, and the two rope pressing wheels are respectively close to the left and right sides of the bottom of the driving disk wheel rim.

[0007] The steel wire rope is wound around the outer side of the driving disk in a clockwise direction, the lower end of the steel wire rope is extended to the outside of the housing through the rope inlet tube, and the upper end of the steel wire rope is extended to the outside of the housing through the left side of the movable pulley, the right side of the fixed pulley and the rope outlet tube in sequence, a pressure sensing mechanism is arranged on the right side of the movable frame, a translation adjustment mechanism is arranged between the two movable blocks, the translation adjustment mechanism can drive the two movable blocks to move toward and away from each other, a transmission mechanism is arranged between the pressure sensing mechanism and the translation adjustment mechanism, and the pressure sensing mechanism can drive the translation adjustment mechanism to operate through the transmission mechanism.

[0008] The utility model adopts the above-mentioned hoist for suspending a platform, and further: the pressure sensing mechanism includes a sliding rod, the left end of the sliding rod is fixedly connected to the right side of the movable frame, the outer right end of the sliding rod is slidably connected to a first rotating sleeve, the first rotating sleeve is fixedly connected to the inner wall of the outer shell, and a spring is provided on the outer side of the sliding rod between the movable frame and the first rotating sleeve.

[0009] The utility model adopts the above-mentioned hoist for suspending a platform, and further: the transmission mechanism includes a rack, the rack is fixedly connected to the left end of the slide rod, the rack is meshed with a column gear, the column gear is rotatably connected to the inner wall of the shell, the rotating shaft of the column gear is fixedly connected to a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is rotatably connected to the inner wall of the shell.

[0010] The utility model adopts the above-mentioned hoist for suspending a platform, and further: the translation adjustment mechanism includes a bidirectional threaded rod, the left and right ends of the outer side of the bidirectional threaded rod are respectively threadedly connected to the left and right moving blocks, the threads on the left and right ends of the outer side of the bidirectional threaded rod are in opposite directions, the left and right ends of the bidirectional threaded rod are rotatably connected to a second rotating sleeve, the second rotating sleeve is fixedly connected to the inner wall of the outer shell, and the bidirectional threaded rod is fixedly connected to the rotating shaft of the second bevel gear.

[0011] The utility model adopts the above-mentioned hoist for suspending a platform, further: the rear side of the movable frame is fixedly connected with a first T-shaped slider, the rear side of the first T-shaped slider is slidably connected with a first T-shaped slide groove, and the rear side of the first T-shaped slide groove is fixedly connected to the inner wall of the shell.

[0012] The utility model adopts the above-mentioned hoist for suspending a platform, and further: the rear sides of the moving blocks are fixedly connected with a second T-shaped slider, the rear sides of the two second T-shaped sliders are commonly slidably connected with a second T-shaped slot, and the rear sides of the second T-shaped slots are fixedly connected to the inner wall of the outer shell.

[0013] The utility model adopts the hoist for suspending a platform as described above, and further: a reinforcement frame is fixedly connected to the upper end of the outer wall of the rope inlet pipe, and the reinforcement frame is fixedly connected to the inner wall of the outer shell.

[0014] The beneficial effects of the utility model are:

[0015] The utility model can sense the tightness of the wire rope through the cooperation of the pressure sensing mechanism and the movable pulley, thereby sensing the load size of the suspension platform; the pressure sensing mechanism can drive the translation adjustment mechanism to operate through the transmission mechanism; the translation adjustment mechanism can adjust the squeezing pressure of the two rope-pressing wheels on the steel wire rope outside the driving disk, and make the squeezing pressure of the two rope-pressing wheels on the steel wire rope outside the driving disk proportional to the load of the suspension platform, thereby avoiding setting an excessive squeezing pressure of the rope-pressing wheels on the steel wire rope outside the driving disk from the beginning, thereby avoiding the load on the driving disk caused by the always excessive squeezing pressure, thereby reducing the energy consumption of the motor driving the driving disk to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or other advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings, which are only schematic and do not limit the present invention, wherein:

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the housing and its internal structure of an embodiment of the utility model;

[0019] Figure 3 for Figure 2 A local enlarged schematic diagram of point A in the middle.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Shell; 2. Drive plate; 3. Rope outlet tube; 4. Rope inlet tube; 5. Fixed pulley; 6. Moving frame; 7. Moving pulley; 8. Moving block; 9. U-shaped frame; 10. Rope pressing wheel; 11. Slide rod; 12. First rotating sleeve; 13. Spring; 14. Rack; 15. Column gear; 16. First bevel gear; 17. Second bevel gear; 18. Bidirectional threaded rod; 19. Second rotating sleeve; 20. First T-shaped slider; 21. First T-shaped slide groove; 22. Second T-shaped slider; 23. Second T-shaped slide groove; 24. Reinforcement frame. DETAILED DESCRIPTION

[0022] Hereinafter, embodiments of a hoist for suspending a platform according to the present invention will be described with reference to the accompanying drawings.

[0023] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0024] The drawings of this specification are schematic diagrams, which assist in explaining the concept of the utility model and schematically show the shapes of various parts and their mutual relationships. Please note that in order to clearly show the structure of various components of the embodiments of the utility model, the drawings are not drawn according to the same scale. The same reference numerals are used to represent the same parts.

[0025] Figure 1-3 The utility model shows an embodiment of a hoist for a suspended platform, which includes: a housing 1 and a steel wire rope, wherein a driving disc 2 is rotatably connected to the middle of the housing 1, a rope outlet pipe 3 is fixedly connected to the upper side wall of the housing 1 above the left side of the driving disc 2, and the upper end of the rope outlet pipe 3 extends to the outside of the housing 1, and a rope inlet pipe 4 is fixedly connected to the lower side wall of the housing 1 below the left side of the driving disc 2, and the lower end of the rope inlet pipe 4 extends to the outside of the housing 1, and a fixed pulley 5 is rotatably connected to the lower left side of the rope outlet pipe 3 in the housing 1, and the fixed pulley 5 is located on the upper side of the driving disc 2. A movable frame 6 is slidably connected to the outer shell 1 in the left and right directions, and a movable pulley 7 is rotatably connected to the left side of the movable frame 6. The movable pulley 7 is located between the driving disk 2 and the fixed pulley 5. Moving blocks 8 are symmetrically arranged on the left and right sides below the driving disk 2 in the outer shell 1. The moving blocks 8 are slidably connected to the inner wall of the outer shell 1 in the left and right directions, and a U-shaped frame 9 is fixedly connected to the upper side of the moving blocks 8. A rope pressing wheel 10 is rotatably connected to the upper side of the U-shaped frame 9, and the two rope pressing wheels 10 are respectively close to the left and right sides of the bottom of the rim of the driving disk 2.

[0026] The steel wire rope is wound around the outer side of the driving disk 2 in a clockwise direction, the lower end of the steel wire rope is extended to the outside of the outer shell 1 through the rope inlet tube 4, and the upper end of the steel wire rope is extended to the outside of the outer shell 1 through the left side of the movable pulley 7, the right side of the fixed pulley 5 and the rope outlet tube 3 in sequence. A pressure sensing mechanism is arranged on the right side of the movable frame 6, and a translation adjustment mechanism is arranged between the two movable blocks 8. The translation adjustment mechanism can drive the two movable blocks 8 to move toward and away from each other. A transmission mechanism is arranged between the pressure sensing mechanism and the translation adjustment mechanism, and the pressure sensing mechanism can drive the translation adjustment mechanism to operate through the transmission mechanism.

[0027] The pressure sensing mechanism includes a sliding rod 11, the left end of the sliding rod 11 is fixedly connected to the right side of the moving frame 6, the outer right end of the sliding rod 11 is slidably connected to a first rotating sleeve 12, the first rotating sleeve 12 is fixedly connected to the inner wall of the outer shell 1, and a spring 13 is sleeved on the outer side of the sliding rod 11 between the moving frame 6 and the first rotating sleeve 12.

[0028] The transmission mechanism includes a rack 14, which is fixedly connected to the left end of the slide rod 11, and the rack 14 is meshed with a column gear 15, and the column gear 15 is rotatably connected to the inner wall of the shell 1, and the rotating shaft of the column gear 15 is fixedly connected to a first bevel gear 16, and the first bevel gear 16 is meshed with a second bevel gear 17, and the second bevel gear 17 is rotatably connected to the inner wall of the shell 1.

[0029] The translation adjustment mechanism includes a bidirectional threaded rod 18, and the left and right ends of the outer side of the bidirectional threaded rod 18 are respectively threadedly connected to the left and right moving blocks 8, and the threads on the left and right ends of the outer side of the bidirectional threaded rod 18 are in opposite directions. The left and right ends of the bidirectional threaded rod 18 are rotatably connected to the second rotating sleeve 19, and the second rotating sleeve 19 is fixedly connected to the inner wall of the outer shell 1, and the bidirectional threaded rod 18 is fixedly connected to the rotating shaft of the second bevel gear 17.

[0030] The rear side of the movable frame 6 is fixedly connected with a first T-shaped slider 20, the rear side of the first T-shaped slider 20 is slidably connected with a first T-shaped slot 21, and the rear side of the first T-shaped slot 21 is fixedly connected to the inner wall of the outer shell 1; through the setting of the first T-shaped slider 20 and the first T-shaped slot 21, the movable frame 6 can be stably translated along the inner wall of the outer shell 1.

[0031] The rear sides of the moving blocks 8 are fixedly connected with second T-shaped sliders 22, and the rear sides of the two second T-shaped sliders 22 are slidably connected with second T-shaped grooves 23, and the rear sides of the second T-shaped grooves 23 are fixedly connected with the inner wall of the outer shell 1; through the setting of the second T-shaped sliders 22 and the second T-shaped grooves 23, the moving blocks 8 can be stably translated along the inner wall of the outer shell 1.

[0032] A reinforcement frame 24 is fixedly connected to the upper end of the outer wall of the rope inlet pipe 4, and the reinforcement frame 24 is fixedly connected to the inner wall of the outer shell 1; by setting the reinforcement frame 24, the strength of the connection between the reinforcement frame 24 and the outer shell 1 can be increased.

[0033] Working principle:

[0034] When the hoist drives the suspension platform to descend, the driving disc 2 rotates clockwise under the drive of the motor, and the two rope-pressing wheels 10 press the wire rope on the outside of the driving disc 2 to prevent the wire rope from slipping on the outside of the driving disc 2; the wire rope continuously enters the housing 1 through the rope inlet tube 4 as the driving disc 2 rotates, and continuously extends out of the housing 1 through the rope outlet tube 3 under the action of the gravity of the suspension platform, thereby lowering the suspension platform; when the hoist drives the suspension platform to rise, the same principle applies, and reverse driving is sufficient; when the hoist drives the suspension platform to rise and fall, the squeezing force of the wire rope on the moving pulley 7 is proportional to the load of the suspension platform. When the load of the suspension platform increases, the wire rope presses on the moving pulley 7 The extrusion force increases, the spring 13 is further compressed, and the movable frame 6 and the slide bar 11 move right along with the movable pulley 7 under the extrusion of the wire rope, and the slide bar 11 pushes the rack 14 to move right, and the rack 14 drives the column gear 15 to rotate, and the column gear 15 drives the second bevel gear 17 to rotate through the first bevel gear 16, and the second bevel gear 17 drives the two-way threaded rod 18 to rotate, and the two-way threaded rod 18 drives the left and right moving blocks 8 to move toward each other, so that the two rope-pressing wheels 10 further press the wire rope on the outside of the driving disk 2; when the load of the suspension platform is reduced, the same principle is followed, and the transmission is reversed, so that the extrusion of the wire rope on the outside of the driving disk 2 by the two rope-pressing wheels 10 is correspondingly reduced.

[0035] To sum up, the hoist can sense the tension of the wire rope through the cooperation of the pressure sensing mechanism and the movable pulley 7, thereby sensing the load size of the suspension platform. The pressure sensing mechanism can drive the translation adjustment mechanism to operate through the transmission mechanism. The translation adjustment mechanism can adjust the squeezing pressure of the two rope-pressing wheels 10 on the outer wire rope of the driving disc 2, and make the squeezing pressure of the two rope-pressing wheels 10 on the outer wire rope of the driving disc 2 proportional to the load of the suspension platform, thereby avoiding setting too large squeezing pressure of the rope-pressing wheels 10 on the outer wire rope of the driving disc 2 at the beginning, thereby avoiding the load of the driving disc 2 due to always too large squeezing pressure, thereby reducing the energy consumption of the motor driving the driving disc 2 to rotate.

[0036] The technical features disclosed above are not limited to the disclosed combinations with other features. Those skilled in the art may also make other combinations between the technical features according to the purpose of the utility model to achieve the purpose of the utility model.

Claims

1. A hoist for a suspended platform, characterized in that: include: A housing (1) and a steel wire rope, wherein a driving disk (2) is rotatably connected to the middle of the housing (1), a rope outlet tube (3) is fixedly connected to the upper side wall of the housing (1) above the left side of the driving disk (2), and the upper end of the rope outlet tube (3) extends to the outside of the housing (1), and a rope inlet tube (4) is fixedly connected to the lower side wall of the housing (1) below the left side of the driving disk (2), and the lower end of the rope inlet tube (4) extends to the outside of the housing (1), and a fixed pulley (5) is rotatably connected to the lower side of the left side of the rope outlet tube (3) in the housing (1), and the fixed pulley (5) is located above the driving disk (2), and the housing (1) is fixed to the left and right sides. A movable frame (6) is slidably connected upwards, and a movable pulley (7) is rotatably connected on the left side of the movable frame (6), and the movable pulley (7) is located between the driving disk (2) and the fixed pulley (5). Moving blocks (8) are symmetrically arranged on the left and right sides below the driving disk (2) in the housing (1), and the moving blocks (8) are slidably connected to the inner wall of the housing (1) in the left and right directions. The upper sides of the moving blocks (8) are fixedly connected to a U-shaped frame (9), and the upper sides of the U-shaped frame (9) are rotatably connected to a rope pressing wheel (10), and the two rope pressing wheels (10) are respectively close to the left and right sides of the bottom of the wheel rim of the driving disk (2); The steel wire rope is wound around the outside of the driving disk (2) in a clockwise direction, the lower end of the steel wire rope is extended to the outside of the housing (1) through the rope inlet tube (4), the upper end of the steel wire rope is extended to the outside of the housing (1) through the left side of the movable pulley (7), the right side of the fixed pulley (5) and the rope outlet tube (3) in sequence, a pressure sensing mechanism is arranged on the right side of the movable frame (6), a translation adjustment mechanism is arranged between the two movable blocks (8), the translation adjustment mechanism can drive the two movable blocks (8) to move towards and away from each other, a transmission mechanism is arranged between the pressure sensing mechanism and the translation adjustment mechanism, and the pressure sensing mechanism can drive the translation adjustment mechanism to operate through the transmission mechanism.

2. A hoist for a suspended platform according to claim 1, characterized in that: The pressure sensing mechanism comprises a slide bar (11), the left end of the slide bar (11) is fixedly connected to the right side of the moving frame (6), the outer right end of the slide bar (11) is slidably connected to a first rotating sleeve (12), the first rotating sleeve (12) is fixedly connected to the inner wall of the housing (1), and a spring (13) is sleeved on the outer side of the slide bar (11) between the moving frame (6) and the first rotating sleeve (12).

3. A hoist for a suspended platform according to claim 2, characterized in that: The transmission mechanism comprises a rack (14), the rack (14) being fixedly connected to the left end of the slide rod (11), the rack (14) being meshed with a column gear (15), the column gear (15) being rotatably connected to the inner wall of the housing (1), the rotation shaft of the column gear (15) being fixedly connected to a first bevel gear (16), the first bevel gear (16) being meshed with a second bevel gear (17), the second bevel gear (17) being rotatably connected to the inner wall of the housing (1).

4. A hoist for a suspended platform according to claim 3, characterized in that: The translation adjustment mechanism comprises a bidirectional threaded rod (18), the left and right ends of the outer side of the bidirectional threaded rod (18) are respectively threadedly connected to the left and right moving blocks (8), the threads of the left and right ends of the outer side of the bidirectional threaded rod (18) are oriented in opposite directions, the left and right ends of the bidirectional threaded rod (18) are rotatably connected to a second rotating sleeve (19), the second rotating sleeve (19) is fixedly connected to the inner wall of the housing (1), and the bidirectional threaded rod (18) is fixedly connected to the rotating shaft of the second bevel gear (17).

5. The hoist for suspending a platform according to claim 1, characterized in that: The rear side of the movable frame (6) is fixedly connected to a first T-shaped sliding block (20), the rear side of the first T-shaped sliding block (20) is slidably connected to a first T-shaped sliding groove (21), and the rear side of the first T-shaped sliding groove (21) is fixedly connected to the inner wall of the housing (1).

6. The hoist for suspending a platform according to claim 1, characterized in that: The rear sides of the moving blocks (8) are fixedly connected to second T-shaped sliding blocks (22), the rear sides of the two second T-shaped sliding blocks (22) are slidably connected to a second T-shaped sliding groove (23), and the rear sides of the second T-shaped sliding groove (23) are fixedly connected to the inner wall of the housing (1).

7. The hoist for suspending a platform according to claim 1, characterized in that: A reinforcement frame (24) is fixedly connected to the upper end of the outer wall of the rope inlet pipe (4), and the reinforcement frame (24) is fixedly connected to the inner wall of the outer shell (1).

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