High-altitude construction hanging basket for overcoming horizontal wind load by adopting non-contact vacuum adsorption technology

Abstract

The utility model discloses a high-altitude construction hanging basket for overcoming a horizontal wind load by adopting a non-contact vacuum adsorption technology. The high-altitude construction hanging basket comprises a suspension platform, according to the vacuum adsorption system, a vacuum suction cup installation frame is hinged to the handrail on one side through a rotating hinge, a non-contact vacuum suction cup is installed on the vacuum suction cup installation frame, and a first motor is installed on the suspension platform, provides power for the non-contact vacuum suction cup and drives the non-contact vacuum suction cup to generate airflow to form adsorption force, so that non-contact adsorption is achieved. The universal wheel system comprises four universal wheels with brake devices; the suspension mechanism comprises a suspension bracket mounted on the top platform of the cable bent tower and a first guide wheel arranged on the suspension bracket; a second motor drives a reel to rotate, one end of a guide steel wire rope winds the reel, and the other end of the guide steel wire rope sequentially bypasses a second guide wheel and a first guide wheel and then is fixed to a suspension support. Through dynamic adjustment and non-contact adsorption of the rotating hinge, the stability and adaptability problems of the high-altitude hanging basket on a complex cable bent tower curved surface are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of construction machinery and the field of bridge engineering, more specifically, the utility model relates to a high-altitude construction basket overcoming horizontal wind load by adopting non-contact vacuum adsorption technology. BACKGROUND

[0002] Due to the influence of technical level, environmental factors, structural form and the like, some bridge cable towers have diseases during the service period, and need to be repaired and reinforced. At present, the domestic and foreign bridge high tower maintenance mainly relies on the maintenance of the manned basket, and the electric basket is mainly used in the market. However, the basket has some problems in the bridge cable tower maintenance operation, such as difficult positioning outside the tower, poor wind resistance stability, difficult to reach the variable cross-section curve segment of the tower body, and the need for manual obstacle avoidance. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a high-altitude construction basket overcoming horizontal wind load by adopting non-contact vacuum adsorption technology, which solves the stability and adaptability problems of the high-altitude basket on the complex cable tower surface through dynamic adjustment of rotary hinge and non-contact adsorption.

[0004] The utility model adopts the technical scheme that provides a high-altitude construction basket overcoming horizontal wind load by adopting non-contact vacuum adsorption technology, which comprises:

[0005] The suspension platform is composed of a basket bottom arranged horizontally, a handrail arranged around the basket bottom and a lifting machine mounting rack fixed on the handrail;

[0006] The vacuum adsorption system comprises a vacuum chuck mounting rack, a non-contact vacuum chuck, a first motor and a rotary hinge, the vacuum chuck mounting rack is hinged to one side of the handrail through the rotary hinge, the non-contact vacuum chuck is installed on the side of the vacuum chuck mounting rack close to the structure to be maintained, the first motor is installed on the suspension platform and provides power for the non-contact vacuum chuck, drives the non-contact vacuum chuck to generate airflow to form adsorption force, and a gap is arranged between the non-contact vacuum chuck and the surface of the structure to be maintained to realize non-contact adsorption;

[0007] The universal wheel system comprises four universal wheels with brake devices and is installed at the four corners of the vacuum chuck mounting rack, and the wheel body is in contact with the surface of the structure to be maintained;

[0008] The suspension mechanism comprises a suspension support installed on the top platform of the cable tower and a first guide wheel arranged on the suspension support;

[0009] The lifting guide system is installed on the top of the lifting machine mounting rack and comprises a second motor, a winding drum, a second guide wheel and a guide steel wire rope, the second motor drives the winding drum to rotate, one end of the guide steel wire rope is wound around the winding drum, and the other end passes through the second guide wheel and the first guide wheel in sequence and is fixed with the suspension support.

[0010] Preferably, the high-altitude construction basket using non-contact vacuum adsorption technology to overcome horizontal wind load further comprises a safety device, the safety device comprises a safety lock and a safety wire rope, the safety lock is installed on the suspended platform, and one end of the safety wire rope is fixed to a ground anchor point, and the other end is connected with the suspended platform after being wound around the safety lock and a first guide wheel in sequence.

[0011] Preferably, the high-altitude construction basket using non-contact vacuum adsorption technology to overcome horizontal wind load, the vacuum adsorption system further comprises a limiting spring, a plurality of rotating hinges are horizontally and equally arranged in the middle of the vacuum sucker mounting rack, and a plurality of limiting springs corresponding to the rotating hinges are horizontally and equally arranged at the top and bottom of the vacuum sucker mounting rack, and the two ends of the limiting spring are connected with the vacuum sucker mounting rack and the railing respectively.

[0012] Preferably, the high-altitude construction basket using non-contact vacuum adsorption technology to overcome horizontal wind load, the height of the vacuum sucker mounting rack is lower than the top of the railing, and the bottom does not exceed the bottom surface of the suspended platform.

[0013] Preferably, the high-altitude construction basket using non-contact vacuum adsorption technology to overcome horizontal wind load, a turbine is arranged in the non-contact vacuum sucker, and a first motor drives the turbine to rotate to generate a rotational flow.

[0014] Preferably, the high-altitude construction basket using non-contact vacuum adsorption technology to overcome horizontal wind load, a plurality of bolt holes are reserved on the vacuum sucker mounting rack, and the universal wheel and the non-contact vacuum telescopic sucker are fixedly connected with the bolt holes through bolts.

[0015] The utility model at least has following beneficial effects:

[0016] 1, the utility model discloses a non-contact vacuum sucker is provided to the basket structure maintenance side to provide the adsorption force that promotes the basket to be close to the cable tower surface, makes the basket operation to be close to the tower wall, solves the problem that the conventional basket is difficult to reach in the cable tower curve section, and overcomes the wind suction force in the direction away from the tower wall.

[0017] 2, according to the adsorption force (490-980N) provided by single sucker, and the lateral wind load size that the basket bears, corresponding matching different number of adsorption disc, thereby promoting the universal wheel with brake function that is arranged to the basket structure maintenance side is close to the tower wall, and the friction between the universal wheel and the tower wall resists the horizontal wind load parallel to the tower wall, reduces the safety risk of basket construction, improves work efficiency, also saves the time of basket structure adjustment.

[0018] 3. By rotating the hinge dynamic adjustment and non-contact adsorption, the stability and adaptability problem of the high-altitude hanging basket on the complex cable tower surface is solved.

[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a high-altitude construction hanging basket in the present application, which adopts non-contact vacuum adsorption technology to overcome horizontal wind load, and is a suspension platform structure schematic diagram;

[0021] Figure 2 is a high-altitude construction hanging basket in the present application, which adopts non-contact vacuum adsorption technology to overcome horizontal wind load, and is a high-altitude construction hanging basket front elevation arrangement diagram;

[0022] Figure 3 is a high-altitude construction hanging basket in the present application, which adopts non-contact vacuum adsorption technology to overcome horizontal wind load, and is a high-altitude construction hanging basket side elevation arrangement diagram;

[0023] Figure 4 : is a high-altitude construction hanging basket in the present application, which adopts non-contact vacuum adsorption technology to overcome horizontal wind load, and is a high-altitude construction hanging basket climbing along the straight section and curved section of the cable tower wall schematic diagram;

[0024] The reference signs are explained as follows: 1, suspension platform, 1.1, basket bottom, 1.2, railing, 1.3, hoist mounting rack, 2, vacuum adsorption system, 2.1, non-contact vacuum chuck, 2.1.1, turbine, 2.2, first motor, 2.3, vacuum chuck mounting rack, 2.4, rotating hinge, 2.5, limit spring, 3, universal wheel system, 4, suspension mechanism, 4.1, suspension support, 4.2, first guide wheel, 5, lifting guide system, 5.1, second motor, 5.2, winding drum, 5.3, second guide wheel, 5.4, guide steel wire rope, 6, safety device, 6.1, safety lock, 6.2, safety steel wire rope. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement the present application according to the description.

[0026] The following description is used to disclose the present application so that those skilled in the art can implement the present application. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought by those skilled in the art. The basic principles of the present application defined in the following description can be applied to other embodiments, modifications, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present application.

[0027] Those skilled in the art should understand that in the disclosure of the utility model, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation on the utility model.

[0028] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0029] As Figures 1-4 shown, a preferred embodiment of the utility model provides a high-altitude construction basket overcoming horizontal wind load by adopting vacuum adsorption technology, comprising:

[0030] The suspension platform 1 is composed of a basket bottom 1.1 arranged horizontally, a railing 1.2 arranged around the basket bottom 1.1, and a hoist mounting rack 1.3 fixed on the railing 1.2; the suspension platform 1 is a factory customized product, which is a platform for carrying maintenance personnel and materials up and down and working, the structure size of the suspension platform 1 is adapted to the structure size of the cable tower to be maintained, and the railing 1.2 is made of steel material.

[0031] The vacuum adsorption system 2 comprises a vacuum chuck mounting rack 2.3, a non-contact vacuum chuck 2.1, a first motor 2.2, and a rotating hinge 2.4; the vacuum chuck mounting rack 2.3 is hinged to one side of the railing 1.2 through the rotating hinge 2.4; the non-contact vacuum chuck 2.1 is installed on the side of the vacuum chuck mounting rack 2.3 close to the structure to be maintained; the first motor 2.2 is installed on the suspension platform 1 and provides power for the non-contact vacuum chuck 2.1 to drive it to generate airflow to form adsorption force; a gap is provided between the non-contact vacuum chuck 2.1 and the surface of the structure to be maintained to realize non-contact adsorption; the first motor 2.2 is purchased according to the total power of the non-contact vacuum chuck 2.1. The vacuum chuck mounting rack 2.3 is a customized rectangular steel structure support, which is installed on the side of the suspension platform 1 close to the structure to be maintained and is parallel to the outer facade of the structure to be maintained. The size of the vacuum chuck mounting rack 2.3 needs to be determined and installed according to the number and position of the vacuum chucks, and the angle of the vacuum chuck mounting rack 2.3 can be adjusted according to the angle of the maintenance structure.

[0032] The universal wheel system 3 includes four universal wheels with brake devices, which are installed at the four corners of the vacuum chuck mounting frame 2.3, and the wheel bodies are in contact with the surface of the structure to be repaired. The universal wheel system 3 is a market-purchased product, and its structure and size need to be determined according to the distance between the suspension platform 1, the non-contact vacuum chuck 2.1 and the surface of the structure to be repaired. In this embodiment, a preferred embodiment is that the brake device can be a lever-type mechanical brake, and the brake pad is controlled by a handle to clamp or loosen the universal wheel shaft.

[0033] The suspension mechanism 4 includes a suspension bracket 4.1 installed on the top platform of the cable tower and a first guide wheel 4.2 arranged on the suspension bracket 4.1.

[0034] The lifting guide system 5 is installed on the top of the lifting machine mounting frame 1.3 and includes a second motor 5.1, a winding drum 5.2, a second guide wheel 5.3 and a guide steel wire rope 5.4. The second motor 5.1 drives the winding drum 5.2 to rotate, the guide steel wire rope 5.4 is wound around the winding drum 5.2 at one end, and the other end is wound around the second guide wheel 5.3 and the first guide wheel 4.2 in turn and then fixed to the suspension bracket 4.1. In this embodiment, a preferred embodiment is that the second motor 5.1 and the winding drum 5.2 are coaxially integrated, and the motor 5.1 output shaft directly drives the winding drum 5.2 to rotate, which can save space and has high transmission efficiency.

[0035] Further, the high-altitude construction basket using the non-contact vacuum adsorption technology to overcome the horizontal wind load further includes a safety device 6, the safety device 6 includes a safety lock 6.1 and a safety steel wire rope 6.2, the safety lock 6.1 is installed on the suspension platform 1, and the safety steel wire rope 6.2 is fixed to the ground anchor point at one end and connected to the suspension platform 1 after being wound around the safety lock 6.1 and the first guide wheel 4.2 in turn.

[0036] Further, the high-altitude construction basket for overcoming horizontal wind load by using non-contact vacuum adsorption technology, characterized in that the vacuum adsorption system 2 further comprises limiting springs 2.5, and a plurality of rotating hinges 2.4 are horizontally and equidistantly arranged at the middle part of the vacuum chuck mounting frame 2.3, so that the vacuum chuck mounting frame 2.3 can be flexibly rotated around the rotating hinge 2.4, and when facing the horizontal wind load, the angle can be adjusted according to the actual situation, so that the non-contact vacuum chuck 2.1 mounted on the side close to the structure to be maintained of the vacuum chuck mounting frame 2.3 can always approach the surface of the cable tower in the best posture, and the stability and adsorption effect of the vacuum adsorption system are enhanced, so that the influence of the horizontal wind load on the operation of the basket is effectively overcome; a plurality of limiting springs 2.5 corresponding to the rotating hinges 2.4 are horizontally and equidistantly arranged at the top and bottom of the vacuum chuck mounting frame 2.3, respectively, and the two ends of the limiting spring 2.5 are connected with the vacuum chuck mounting frame 2.3 and the railing 1.2, respectively, so as to limit the swing amplitude of the vacuum chuck mounting frame 2.3, and ensure the structural stability when the included angle between the vacuum chuck mounting frame 2.3 and the suspension platform 1 changes.

[0037] Further, the high-altitude construction basket for overcoming horizontal wind load by using non-contact vacuum adsorption technology, characterized in that the height of the vacuum chuck mounting frame 2.3 is lower than the top of the railing 1.2, and the bottom does not exceed the bottom surface of the suspension platform 1.

[0038] Further, the high-altitude construction basket for overcoming horizontal wind load by using non-contact vacuum adsorption technology, characterized in that the non-contact vacuum chuck 2.1 is internally provided with a turbine 2.1.1, and the first motor 2.2 drives the turbine 2.1.1 to rotate to generate a rotational flow. In this embodiment, the vacuum is formed by the flow channel of the chuck turbine 2.1.1 through compressed air, and the air is discharged through the gap between the non-contact vacuum chuck 2.1 and the structure to be maintained, so as to generate adsorption force on the structure to be maintained.

[0039] Further, the high-altitude construction basket for overcoming horizontal wind load by using non-contact vacuum adsorption technology, characterized in that a plurality of bolt holes are reserved on the vacuum chuck mounting frame 2.3, and the universal wheel and the non-contact vacuum telescopic chuck 2.1 are fixedly connected with the bolt holes through bolts.

[0040] The utility model also provides a specific operation process of bridge cable tower maintenance construction by using the basket, which is as follows:

[0041] S1: the suspension platform 1 is processed and manufactured according to the design drawing in the factory, and bolt mounting holes, rotating hinges 2.4 and limiting spring 2.5 buckles are reserved on the suspension platform 1. After the strength, rigidity and stability test of the suspension platform 1 and various accessories, the suspension platform 1 is transported to the site.

[0042] S2: In the factory according to the design drawings processing production suspension mechanism 4, assembled into a convenient transport components, and in the market to purchase the accessories required for the lifting guide system 5, safety device 6, and then transported to the site.

[0043] S3: In the factory according to the design drawings processing production vacuum chuck mounting rack 2.3, and in the market to purchase the supporting non-contact vacuum chuck 2.1, the first motor 2.2, rotating twist 2.4 and limit spring 2.5, after debugging, transported to the site.

[0044] S4: According to the installation sequence, hoist and install the lifting guide system 5, safety device 6 and first motor 2.2, and tighten the bolts.

[0045] S5: Install the suspension mechanism 4 on the top surface platform of the cable tower, connect and respectively lower the guide wire rope 5.4 and safety wire rope 6.2.

[0046] S6: According to the installation sequence, use the guide wire rope 5.4 and safety wire rope 6.2 to connect the lifting guide system 5, safety device 6 and suspension mechanism 4 respectively.

[0047] S7: Install the vacuum chuck mounting rack 2.3 on the suspension platform 1, and then according to the installation sequence, install the non-contact vacuum chuck 2.1, first motor 2.2, rotating twist 2.4 and limit spring 4.5 respectively.

[0048] S8: Start the lifting guide system 5, lift the suspension platform 1 to a safe height, conduct a lifting operation test, ensure normal lifting, and finally lower the suspension platform 1 to the bridge deck.

[0049] S9: Start the first motor 2.2 of the vacuum suction system 2, conduct a running test of the non-contact vacuum chuck 2.1, and close the power supply after meeting the requirements.

[0050] S10: Install the universal wheel system 3 on the reserved position of the vacuum chuck mounting rack 2.3, fix it well, and loosen the brake device of the universal wheel system 3.

[0051] S11: Wind one end of the guide wire rope 5.4 around the reel 5.2, and the other end around the second guide wheel 5.3 and the first guide wheel 4.2 in turn, and then fix it with the suspension bracket 4.1. Fix one end of the safety wire rope 6.2 to the ground anchor point, and the other end around the safety lock 6.1 and the first guide wheel 4.2 in turn, and then connect it with the suspension platform 1.

[0052] S12: Start the second motor 5.1 of the lifting guide system 5 again, test the coordination between the suspension platform 1, lifting guide system 5, vacuum suction system 2 and universal wheel system 3, and lower the basket to the bridge deck after meeting the requirements.

[0053] S13: Before formal operation, start the second motor 5.1 of the lifting guide system 5 and the first motor 2.2 of the vacuum adsorption system 2 respectively, and lift the high-altitude construction basket to a safe height.

[0054] S14: When climbing along the tower wall to the operation height of the linearly changing section of the tower wall, temporarily stop the second motor 5.1 of the lifting guide system 5, lock the safety device 6 and the brake device of the universal wheel system 3, adjust the angle of the vacuum chuck mounting frame 2.3 according to the angle of the tower wall, buckle the limiting spring 2.5 of the vacuum chuck mounting frame 2.3, and make the non-contact vacuum chuck 2.1 parallel to the tower wall.

[0055] S15: Release the brake device of the universal wheel system 3, start the second motor 5.1 of the lifting guide system 5 and the first motor 2.2 of the vacuum adsorption system 2, continue to go up to the operation height of the linearly changing section of the tower wall, fix the basket through the non-contact vacuum chuck 2.1, close the second motor 5.1 of the lifting guide system 5, lock the safety device 6 and the brake device of the universal wheel system 3, and then perform cable tower maintenance of this operation surface.

[0056] S16: When reaching the operation height of the curvedly changing section of the tower wall, repeat the operation of S14, make the non-contact vacuum chuck 2.1 parallel to the tower wall, and adjust the angle of the vacuum chuck mounting frame 2.3 through the rotating winch 2.4 at any time according to the angle change of the tower wall.

[0057] S17: Start the second motor 5.1 of the lifting guide system 5 again, release the brake device of the universal wheel system 3, continue to go up to the operation height of the curvedly changing section of the tower wall and fix it, repeat the operation of S15, and then perform cable tower maintenance of this operation surface.

[0058] S18: When reaching the operation height of the straight section of the tower wall, repeat the operations of S14 and S16, make the non-contact vacuum chuck 2.1 parallel to the tower wall, and keep the verticality of the suspension platform 1 unchanged.

[0059] S19: Repeat the operation of S17, continue to go up to the operation height of the straight section of the tower wall and fix it, and perform cable tower maintenance of this operation surface.

[0060] S20: When the bridge cable tower maintenance construction is completed, release the brake device of the universal wheel system 3 and the limiting spring 2.5, lower the high-altitude construction basket to the bridge deck or the ground, close the second motor 5.1 of the lifting guide system 5 and the first motor 2.2 of the vacuum adsorption system 2, and remove the devices in the suspension platform 1, the lifting guide system 5, the vacuum adsorption system 2 and the universal wheel system 3 in blocks in reverse order, and transport them away in blocks or as a whole.

[0061] S21: Complete the operation and installation and removal of the high-altitude construction basket.

[0062] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and it can be applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein.

Claims

1. A high altitude construction basket that overcomes horizontal wind load using non-contact vacuum suction technology, characterized by, The utility model relates to a kind of structure for the maintenance of high-rise building, including: Suspension platform, by the horizontal setting basket bottom, the fence around basket bottom is set, and the hoist mounting bracket fixed on the fence is composed; Vacuum adsorption system, including vacuum chuck mounting bracket, non-contact vacuum chuck, first motor and rotary hinge, the vacuum chuck mounting bracket is hinged with one side fence by rotary hinge, the non-contact vacuum chuck is installed on the vacuum chuck mounting bracket side close to the structure to be overhauled, first motor is installed on suspension platform and provides power for non-contact vacuum chuck, drives it to generate airflow to form adsorption force, gap is provided between the non-contact vacuum chuck and the surface of the structure to be overhauled, realizes non-contact adsorption; Universal wheel system, including four universal wheels with brake device, is installed in the four corners of vacuum chuck mounting bracket, and wheel body is in contact with the surface of the structure to be overhauled; Suspension mechanism, including suspension bracket installed on cable tower top platform and first guide wheel arranged on suspension bracket; Lifting guide system is installed on the top of hoist mounting bracket, including second motor, reel, second guide wheel and guide wire rope, second motor drives reel rotation, guide wire rope one end is wound around reel, the other end is sequentially wound around second guide wheel and first guide wheel and is fixed with suspension bracket.

2. The construction basket for high altitude construction that overcomes horizontal wind load using non-contact vacuum suction technology according to claim 1, wherein It further includes safety device, the safety device includes safety lock and safety wire rope, the safety lock is installed on suspension platform, one end of the safety wire rope is fixed to ground anchor point, the other end is sequentially wound around safety lock and first guide wheel and is connected with suspension platform.

3. The construction basket for high altitude construction that overcomes horizontal wind load using non-contact vacuum suction technology as claimed in claim 1, wherein The vacuum adsorption system further includes limiting spring, several rotary hinges are horizontally and equidistantly arranged in the middle of the vacuum chuck mounting bracket, the top and bottom of the vacuum chuck mounting bracket are each horizontally and equidistantly arranged with several limiting springs corresponding to the rotary hinge, and the two ends of the limiting spring are respectively connected with the vacuum chuck mounting bracket and the fence.

4. The construction basket for high altitude construction that overcomes horizontal wind load using non-contact vacuum suction technology according to claim 1, wherein The height of the vacuum chuck mounting bracket is lower than the top of the fence, and the bottom does not exceed the bottom surface of the suspension platform.

5. The construction basket for high altitude construction that overcomes horizontal wind load using non-contact vacuum suction technology according to claim 1, wherein The non-contact vacuum chuck is provided with a turbine inside, and the first motor drives the turbine to rotate to generate rotational flow airflow.

6. The construction basket for high altitude construction that overcomes horizontal wind load using non-contact vacuum suction technology as claimed in claim 1, wherein A plurality of bolt holes are reserved on the vacuum chuck mounting bracket, and the universal wheel and the non-contact vacuum chuck are fixedly connected with the bolt holes by bolts.

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