A self-elevating aerial work basket

Abstract

The present invention discloses an aerial work basket capable of self-lifting, comprising: a basket body, on one side of which a plurality of telescopic devices are arranged at intervals; each of the telescopic devices is vertically arranged and detachably connected to the side wall of the basket body; an upper suction cup is fixedly connected to the upper end of each of the telescopic devices; a bottom of each telescopic device is fixedly connected with an angle adjusting device for adjusting the inclination angle of the telescopic device in a vertical plane; at the lower end of the basket body, a lower suction cup is arranged corresponding to each of the upper suction cups. The present invention can realize the vertical and oblique climbing and descending of the basket, reduce the shaking of the basket, improve the safety of using the basket, and is applicable to the operation of the outer facade of various buildings.

Description

Technical Field

[0001] The present invention relates to the field of suspended scaffolds for working at heights. More specifically, the present invention relates to a self-elevating suspended scaffold for working at heights. Background Art

[0002] With the development and progress of technology, new changes have taken place in the field of civil engineering. Structures such as high-rise buildings and long-span bridges emerge in an endless stream, greatly alleviating problems such as the shortage of land resources. At the same time, it has also brought problems such as difficulties in the construction and maintenance of high-rise buildings and high piers and towers of bridges, and it is difficult to reach. Especially for buildings over 100m, they are vulnerable to strong winds at high altitudes and have relatively high safety risks.

[0003] A suspended scaffold is a kind of aerial work equipment that can replace traditional scaffolding and fixed platforms, can reduce labor intensity, improve work efficiency, and can be reused. The structure of the suspended scaffold generally runs up and down along the vertical surfaces of high piers and towers of bridges and high-rise buildings through a lifting system, providing a working platform for workers.

[0004] When the suspended scaffold is working, the suspended scaffold uses the lifting system to run up and down on a soft track. Since the working height of the suspended scaffold is generally relatively large, under the action of wind force and other environments, the suspended scaffold is prone to lateral or swing away from the building surface, posing relatively high safety hazards. At the same time, the suspended scaffold can only move horizontally or obliquely by setting guide ropes or swinging, which is neither safe nor easy to accurately reach the preset working position, affecting work efficiency. Summary of the Invention

[0005] An object of the present invention is to solve at least the above problems and provide at least the advantages described hereinafter.

[0006] To achieve these objects and other advantages according to the present invention, a self-elevating suspended scaffold for working at heights is provided, including: a suspended scaffold body, on one side of which a plurality of telescopic devices are arranged at intervals; each of the telescopic devices is arranged vertically and is detachably connected to the side wall of the suspended scaffold body; the upper end of each telescopic device is fixedly connected with an upper suction cup; the bottom of each telescopic device is fixedly connected with an angle adjusting device for adjusting the inclination angle of the telescopic device in the vertical plane; at the lower end of the suspended scaffold body, a lower suction cup is arranged corresponding to each upper suction cup.

[0007] Preferably, each of the upper suction cups and each of the lower suction cups are vacuum suction cups, and each of the upper suction cups and each of the lower suction cups are respectively connected to a vacuum generator through a pipeline, and the vacuum generator is fixedly arranged on the suspended scaffold body.

[0008] Preferably, each of the upper suction cups and each of the lower suction cups is an electromagnetic suction cup. Each of the upper suction cups and each of the lower suction cups is respectively connected to a control circuit through a cable, and the control circuit is used to control the energization or de-energization of the upper suction cup or the lower suction cup.

[0009] Preferably, the telescopic device is a large-stroke hydraulic cylinder. On one side of each telescopic device facing the hanging basket body, there is a fixed mounting base, and the mounting base is detachably connected to the side wall of the hanging basket body through bolts.

[0010] Preferably, on one side of each mounting base connected to the hanging basket body, there are at least two rows of the bolts arranged up and down corresponding to each other; arc-shaped sliding grooves are opened on the side wall of the hanging basket body at positions corresponding to the bolts on each mounting base, and the central angles of each arc-shaped sliding groove are equal.

[0011] Preferably, at the lower end of the hanging basket body, an axle rod is respectively arranged at a position corresponding to each lower suction cup. The axle rod is perpendicular to the side wall of the hanging basket body, and one end of it is fixedly connected to the side wall of the hanging basket body, and the other end of the axle rod is fixedly connected to a corresponding lower suction cup.

[0012] Preferably, each angle adjustment device includes a bearing, a connecting frame and a rotating gear; one bearing is fitted over one axle rod, the connecting frame in each angle adjustment device is sleeved on the bearing, the top of the connecting frame is fixedly connected to the bottom of the corresponding telescopic device, the rotating gear is fixedly arranged at one end of the connecting frame facing the hanging basket body, and a through hole is opened at the center of the rotating gear, and the diameter of the through hole is greater than or equal to the outer diameter of the bearing.

[0013] Preferably, each angle adjustment device further includes a driving motor and a driving gear. The driving motor is fixedly arranged on the hanging basket body, the output end of the driving motor is fixedly connected to the center of the driving gear, and the driving gear is meshed with the corresponding rotating gear.

[0014] Preferably, a control unit is further included, and the control unit is electrically connected to each of the large-stroke hydraulic cylinders and each of the driving motors respectively.

[0015] Preferably, a spare lifting device, a working rope and a safety rope are further included. One ends of the working rope and the safety rope are connected to the top of the hanging basket body through a sling, and the other ends of the working rope and the safety rope are connected to the spare lifting device. The spare lifting device is arranged outside the hanging basket body and is used to lift the hanging basket body when the telescopic device, the upper suction cup or the lower suction cup fails.

[0016] The present invention has at least the following beneficial effects:

[0017] The self - elevating aerial work basket provided by the present invention uses suction cups to fix the basket on the building facade, which can reduce the shaking of the basket, improve the safety of using the basket, and has strong applicability, being applicable to the outer facades of various buildings such as high - rise buildings, high piers of bridges, and high towers. Through the cooperation of the telescopic device, the scheduling and adjusting device, and the upper and lower suction cups, not only can the automatic lifting of the basket in the vertical direction be realized, but also the oblique climbing and descending of the basket can be realized.

[0018] Other advantages, objectives, and features of the present invention will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the aerial work basket described in an embodiment of the present invention;

[0020] Figure 2 It is a rear view of the aerial work basket described in the above - mentioned embodiment of the present invention;

[0021] Figure 3 It is a left view of the aerial work basket described in the above - mentioned embodiment of the present invention;

[0022] Figure 4 It is a schematic structural diagram of the angle - adjusting device described in the above - mentioned embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further detailed description of the present invention is provided in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description in the specification.

[0024] It should be noted that the experimental methods described in the following implementation schemes are all conventional methods unless otherwise specified, and the reagents and materials can be obtained from commercial channels unless otherwise specified; in the description of the present invention, the orientation or positional relationships indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0025] Such as Figure 1As shown in the figure, the present invention provides an aerial work basket that can be self-lifted, including: a basket body 1, on one side of which a plurality of telescopic devices 2 are arranged at intervals; each of the telescopic devices 2 is vertically arranged and detachably connected to the side wall of the basket body 1; the upper end of each telescopic device 2 is fixedly connected with an upper suction cup 3; the bottom of each telescopic device is fixedly connected with an angle adjustment device 9, and the angle adjustment device 9 is used to adjust the inclination angle of the telescopic device 2 in the vertical plane; at the lower end of the basket body 1, a lower suction cup 8 is arranged corresponding to each upper suction cup 3.

[0026] In this technical solution, the basket body is fixed on the building facade through each upper suction cup 3 and the lower suction cup 8, reducing the shaking of the basket body and improving the use safety of the basket body. In this embodiment, two telescopic devices 2 are provided. During actual use, a plurality of telescopic devices 2 can be set according to the width of the basket body and the requirements of the adsorption capacity. When the basket needs to climb, close the upper suction cup 3 on one of the telescopic devices 2, extend the telescopic device 2, and open the upper suction cup 3 after rising to a predetermined height; then close the upper suction cup 3 on the other telescopic device 2, extend the telescopic device 2, and open the upper suction cup 3 after rising to a predetermined height; at the same time, close the lower suction cups 8 corresponding to the lower parts of the two upper suction cups 3, and retract the two telescopic devices 2 at the same time to drive the basket body 1 to complete the climb. After climbing to a predetermined position, open the two lower suction cups 8. When the basket needs to move obliquely, first disconnect one of the telescopic devices 2 from the basket body 1, close the upper suction cup 3 thereon, and make it deflect obliquely by a preset angle through the angle adjustment device 9 under the telescopic device 2, then open the upper suction cup 3, and fix the telescopic device 2 to the basket body 1. Close the upper suction cup 3 again, extend the telescopic device 2 to a predetermined height and then open the upper suction cup 3; repeat the above process to complete the oblique movement of the other telescopic device 2; then close the lower suction cups 8 corresponding to the lower parts of the two upper suction cups 3 at the same time, and retract the two telescopic devices 2 at the same time to drive the basket body 1 to complete the climb. After climbing to a predetermined position, open the two lower suction cups 8; finally, disconnect one of the telescopic devices 2 from the fixed connection of the basket body 1, close the upper suction cup 3 thereon, reverse the deflection of the telescopic device 2 through the corresponding angle adjustment device 9 to make the telescopic device 2 return to the vertical state, then open the upper suction cup 3, and fix the telescopic device 2 to the basket body 1 to complete the attitude restoration of one telescopic device 2, and complete the attitude restoration of the other telescopic device 2 according to the same steps.

[0027] Considering the usage scenarios of the hanging basket, which may be high piers and high towers of bridges or other high-rise buildings. Further, each of the upper suction cups 3 and each of the lower suction cups 8 are provided as vacuum suction cups, and each of the upper suction cups 3 and each of the lower suction cups 8 are respectively connected to a vacuum generator through pipelines. The vacuum generator is fixedly arranged on the hanging basket body 1 to be applicable to glass curtain walls of high-rise buildings, steel tower walls of bridge piers and towers, and buildings with smooth surfaces such as flawless concrete.

[0028] For structures such as steel tower walls and reinforced concrete of high piers and high towers that can be adsorbed by electromagnets, each of the upper suction cups 3 and each of the lower suction cups 8 can also be electromagnetic suction cups. Each of the upper suction cups 3 and each of the lower suction cups 8 are respectively connected to a control circuit through cables, and the control circuit is used to control the energization or de-energization of the upper suction cup 3 or the lower suction cup 8.

[0029] Considering the self-weight of the hanging basket, operating equipment and the weight of the staff, to meet the requirement of climbing ability, the telescopic device 2 is a large-stroke hydraulic cylinder. On one side of each telescopic device 2 facing the hanging basket body 1, an installation base 10 is fixedly connected, and the installation base 10 is detachably connected to the side wall of the hanging basket body 1 through bolts 6. The detachable connection between the telescopic device 2 and the hanging basket body 1 is realized through the bolts 6.

[0030] In another embodiment, at least two rows of the bolts 6 are arranged on one side of each installation base 9 connected to the hanging basket body 1, and the two rows of bolts 6 are arranged corresponding to each other up and down; arc-shaped sliding grooves 7 are respectively opened on the side wall of the hanging basket body 1 at positions corresponding to the bolts 6 on each installation base, and the central angles of each arc-shaped sliding groove 7 are equal. The deflection range of the telescopic device 2 in the vertical plane is limited through the arc-shaped sliding grooves 7, and the stability during the oblique deflection process of the telescopic device 2 is improved.

[0031] In another embodiment, at the lower end of the hanging basket body 1, an axis rod 11 is respectively arranged at a position corresponding to each lower suction cup 8. The axis rod 11 is perpendicular to the side wall of the hanging basket body 1, and one end of it is fixedly connected to the side wall of the hanging basket body 1, and the other end of the axis rod 11 is fixedly connected to a corresponding lower suction cup 8. It can be understood that to ensure that the hanging basket body 1 itself is in a vertical state, the length of the axis rod should satisfy that the adsorption surfaces of the upper and lower suction cups corresponding up and down are in the same vertical plane.

[0032] In another embodiment, each of the angle adjusting devices 9 includes a bearing 93, a connecting frame 91, and a rotating gear 92; one of the bearings 93 is fitted over one of the central shafts 11, the connecting frame 91 in each of the angle adjusting devices 9 is sleeved on the bearing, the top of the connecting frame 91 is fixedly connected to the bottom of the corresponding telescopic device 2, the rotating gear 92 is fixedly arranged at one end of the connecting frame 91 facing the hanging basket body, a through hole is formed in the center of the rotating gear 92, and the diameter of the through hole is greater than or equal to the outer diameter of the bearing 93.

[0033] In this technical solution, the diameter of the through hole in the center of the rotating gear 92 is greater than or equal to the outer diameter of the bearing 93, so that both the bearing 93 and the central shaft 11 can pass through the through hole. When the rotating gear 92 is rotated, it will not affect the central shaft 11. By rotating the rotating gear 92, the connecting frame 91 is driven to rotate, and then the corresponding telescopic device 2 is driven to rotate with its bottom as the center of the circle. When the connecting frame 91, the rotating gear 92, the bearing 93, and the central shaft 11 are coaxially arranged, the telescopic device 2 can be driven to rotate around the center of the central shaft 11, so as to accurately control each telescopic device 2 to deflect by the same angle. By adopting this technical solution, the adsorption surfaces of the upper suction cup and the lower suction cup corresponding up and down can be in the same vertical plane through the central shaft 11, and the central shaft 11 can also provide support when debugging the deflection angle of the telescopic device 2.

[0034] Considering the inconvenience and laboriousness of manually rotating the rotating gear 92, further, each of the angle adjusting devices 9 further includes a driving motor and a driving gear. The driving motor is fixedly arranged on the hanging basket body 1, the output end of the driving motor is fixedly connected to the center of the driving gear, and the driving gear is meshed with the corresponding rotating gear 92. By controlling the driving motor to drive the rotating gear 92 to rotate, the adjustment of the deflection angle of the telescopic device 2 is realized.

[0035] In another embodiment, a control unit is further included. The control unit is electrically connected to each of the large-stroke hydraulic cylinders and each of the driving motors respectively. By connecting the control unit to the electromagnetic reversing valves in each of the large-stroke hydraulic cylinders respectively, the synchronous or independent jacking and retraction of each of the large-stroke hydraulic cylinders are realized to ensure the precise control of the hanging basket body 1 during the climbing process. The control unit can also integrally control each of the driving motors to improve the convenience of operation for the staff. The control unit can adopt a conventional PLC controller.

[0036] In another embodiment, to further ensure the safety of the hanging basket, a spare lifting device, a working rope 4 and a safety rope 5 are further included. One end of the working rope 4 and the safety rope 5 is connected to the top of the hanging basket body 1 through a sling, and the other ends of the working rope 4 and the safety rope 5 are connected to the spare lifting device. The spare lifting device is arranged outside the hanging basket body 1 and is used to lift the hanging basket body 1 when the telescopic device 2, the upper suction cup 3 or the lower suction cup 8 fails.

[0037] During use, the specific operation process of the self-elevating aerial work hanging basket provided by the present invention is as follows:

[0038] In the initial state, each of the upper suction cups 3 and each of the lower suction cups 8 are opened and adsorbed on the building facade.

[0039] When the hanging basket climbs vertically:

[0040] SA1: Close the upper suction cup 3 on one of the large-stroke hydraulic cylinders 2, open the lifting cylinder of the large-stroke hydraulic cylinder 2, and open the upper suction cup 3 thereon after rising to a predetermined height;

[0041] SA2: Close the upper suction cup 3 on the other large-stroke hydraulic cylinder 2, open the lifting cylinder of the large-stroke hydraulic cylinder 2, and open the upper suction cup 3 thereon after rising to a predetermined height;

[0042] SA3: Close the two lower suction cups 8 at the lower end of the hanging basket body 1, open the retracting cylinders of the two large-stroke hydraulic cylinders 2 to drive the hanging basket body 1 to complete vertical climbing. After climbing to a predetermined position, open the two lower suction cups 8;

[0043] SA4: Repeat SA1 - SA3, and the hanging basket continuously climbs to the specified height.

[0044] When the hanging basket climbs obliquely:

[0045] SB1: Loosen the bolt 6 on the mounting base 10 of one of the large-stroke hydraulic cylinders 2, close the upper suction cup 3 on the large-stroke hydraulic cylinder 2, rotate the rotating gear 92 of the angle adjustment device 9 to drive the connecting frame 91 to deflect the large-stroke hydraulic cylinder 2 to the right by a preset angle, open the upper suction cup 3 thereon, and tighten the bolt 6 on the mounting base 10;

[0046] SB2: Close the upper suction cup 3 on the large-stroke hydraulic cylinder 2 in step SB1, open the large-stroke hydraulic cylinder 2 to lift to a predetermined stroke, and then open the upper suction cup 3;

[0047] SB3: Refer to steps SB1 - SB2 and deflect the other large-stroke hydraulic cylinder 2 to the right by the same angle;

[0048] SB4: Close the two lower suction cups 8 at the lower end of the hanging basket body 1, and at the same time, activate the cylinder retraction of the two large-stroke hydraulic cylinders 2 to drive the hanging basket to climb obliquely. After climbing to the predetermined position, activate the two lower suction cups 8;

[0049] SB5: Loosen the bolts 5 on the mounting base 10 of one of the large-stroke hydraulic cylinders 2, close the upper suction cup 3 thereon, rotate the rotating gear 92 of the angle adjustment device 9, drive the connecting frame 91 to deflect the large-stroke hydraulic cylinder 2 to the left until the large-stroke hydraulic cylinder 2 returns to the vertical state, activate the upper suction cup 3 thereon, and tighten the bolts 6 on the mounting base 10;

[0050] SB6: Refer to step SB5 to return the zero large-stroke hydraulic cylinder 2 to the vertical state;

[0051] SB7: Repeat steps SB1 - SB7, adjust the rotation direction as required, and the hanging basket can move at various oblique angles.

[0052] The principles of the vertical descent and oblique descent processes of the hanging basket are the same as above. Specifically, taking the vertical descent of the hanging basket as an example:

[0053] SC1: Close the two lower suction cups 8 at the lower end of the hanging basket body 1, activate the rope cylinder of the two large-stroke hydraulic cylinders 2 to drive the hanging basket body 1 to complete vertical descent. After descending to the predetermined position, activate the two lower suction cups 8;

[0054] SC2: Close the upper suction cup 3 on one of the large-stroke hydraulic cylinders 2, activate the cylinder retraction of this large-stroke hydraulic cylinder 2, and activate the upper suction cup 3 thereon after retracting to the predetermined height;

[0055] SC3: Close the upper suction cup 3 on the other large-stroke hydraulic cylinder 2, activate the cylinder retraction of this large-stroke hydraulic cylinder 2, and activate the upper suction cup 3 thereon after retracting to the predetermined height;

[0056] SC4: Repeat SC1 - SC3, and the hanging basket continuously descends to the specified height.

[0057] Although the embodiments of the present invention have been disclosed as above, it is not limited to only the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to specific details and the illustrations shown and described herein.

Claims

1. An aerial work basket that can be self-lifted, characterized in that, Comprising: A hanging basket body, on one side of which a plurality of telescopic devices are arranged at intervals; each of the telescopic devices is vertically arranged and detachably connected to the side wall of the hanging basket body; the upper end of each of the telescopic devices is fixedly connected with an upper suction cup; the bottom of each telescopic device is fixedly connected with an angle adjusting device for adjusting the inclination angle of the telescopic device in the vertical plane; at the lower end of the hanging basket body, a lower suction cup is arranged corresponding to each of the upper suction cups; at the lower end of the hanging basket body, an axle rod is respectively arranged corresponding to the position where each of the lower suction cups is located, the axle rod is arranged perpendicular to the side wall of the hanging basket body, and one end of the axle rod is fixedly connected with the side wall of the hanging basket body, and the other end of the axle rod is fixedly connected with a corresponding lower suction cup; each of the angle adjusting devices includes a bearing, a connecting frame and a rotating gear; a bearing is sleeved on an axle rod in a matching manner, the connecting frame in each of the angle adjusting devices is sleeved on the bearing, the top of the connecting frame is fixedly connected with the bottom of the corresponding telescopic device, the rotating gear is fixedly arranged at one end of the connecting frame facing the hanging basket body, a through hole is opened in the center of the rotating gear, and the diameter of the through hole is greater than or equal to the outer diameter of the bearing; further comprising a standby lifting device, a working rope and a safety rope, one ends of the working rope and the safety rope are connected to the top of the hanging basket body through a sling, and the other ends of the working rope and the safety rope are connected to the standby lifting device, and the standby lifting device is arranged outside the hanging basket body for lifting the hanging basket body when a failure occurs in the telescopic device, the upper suction cup or the lower suction cup.

2. The self-elevating aerial work basket according to claim 1, characterized in that, Each of the upper suction cups and each of the lower suction cups are vacuum suction cups, and each of the upper suction cups and each of the lower suction cups are respectively connected to a vacuum generator through a pipeline, and the vacuum generator is fixedly arranged on the hanging basket body.

3. The self-elevating aerial work basket according to claim 1, wherein Each of the upper suction cups and each of the lower suction cups are electromagnetic suction cups, and each of the upper suction cups and each of the lower suction cups are respectively connected to a control circuit through a cable, and the control circuit is used for controlling the energization or de-energization of the upper suction cup or the lower suction cup.

4. The self-elevating aerial work basket according to claim 1, characterized in that, The telescopic device is a large-stroke hydraulic cylinder, and an installation base is fixedly connected to one side of each of the telescopic devices facing the hanging basket body, and the installation base is detachably connected to the side wall of the hanging basket body through bolts.

5. The self-elevating aerial work basket according to claim 4, wherein, At least two rows of bolts are arranged on one side of each of the installation bases connected to the hanging basket body, and the two rows of bolts are arranged corresponding to each other up and down; arc-shaped sliding grooves are opened on the side wall of the hanging basket body corresponding to the positions of the bolts on each of the installation bases, and the arc central angles of each of the arc-shaped sliding grooves are equal.

6. The self-elevating aerial work basket according to claim 1, wherein, Each of the angle adjusting devices further includes a driving motor and a driving gear, the driving motor is fixedly arranged on the hanging basket body, the output end of the driving motor is fixedly connected to the center of the driving gear, and the driving gear is meshed with the corresponding rotating gear.

7. The self-elevating aerial work basket according to claim 6, characterized in that, Further comprising a control unit, and the control unit is electrically connected to each of the large-stroke hydraulic cylinders and each of the driving motors respectively.

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