CN112125135A - Self-lifting system for climbing of large tower crane and use method - Google Patents

Self-lifting system for climbing of large tower crane and use method Download PDF

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Publication number
CN112125135A
CN112125135A CN202011113431.0A CN202011113431A CN112125135A CN 112125135 A CN112125135 A CN 112125135A CN 202011113431 A CN202011113431 A CN 202011113431A CN 112125135 A CN112125135 A CN 112125135A
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China
Prior art keywords
gear
tower crane
plate
assembly
fixedly connected
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Application number
CN202011113431.0A
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Chinese (zh)
Inventor
乔杰
刘凯强
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Individual
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Individual
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Priority to CN202011113431.0A priority Critical patent/CN112125135A/en
Publication of CN112125135A publication Critical patent/CN112125135A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/445Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0237Multiple lifting units; More than one suction area
    • B66C1/025Divided cups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B66C23/166Simple cranes with jibs which may be fixed or can slew or luff
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2238/00Type of springs or dampers
    • F16F2238/02Springs
    • F16F2238/022Springs leaf-like, e.g. of thin, planar-like metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2238/00Type of springs or dampers
    • F16F2238/02Springs
    • F16F2238/026Springs wound- or coil-like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention relates to the technical field of tower crane application, in particular to a climbing self-lifting system of a large tower crane and a using method thereof, wherein the climbing self-lifting system comprises a base, a connecting column, a driving system, a lifting arm and a damping device; the top of the base is provided with a connecting column; the top of the connecting column is provided with a driving system; the side wall of the connecting column is provided with a lifting arm; a damping device is arranged inside the connecting column; the shock absorption device comprises a compression assembly and a sliding assembly; the compression assembly comprises a first connecting plate, a first spring, an elastic plate and a second connecting plate; the second connecting plate is fixedly connected to the top of the base; the top of the second connecting plate is fixedly connected with an elastic plate; the top of the elastic plate is provided with a first connecting plate; the bottom of the first connecting plate is provided with a first spring; greatly reducing the vibration generated by the tower crane.

Description

Self-lifting system for climbing of large tower crane and use method
Technical Field
The invention relates to the technical field of tower crane application, in particular to a large tower crane climbing self-lifting system and a use method thereof.
Background
The tower crane is the most common hoisting equipment on the construction site, also called as a tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete and steel pipes for construction, the tower crane is indispensable equipment on the construction site, and can be divided into a movable tower crane and a fixed tower crane according to the existence of a walking mechanism, can be divided into a pitching amplitude-variable crane arm and a trolley amplitude-variable crane arm tower crane according to the structural characteristics of the crane arm, can be divided into a lower-turning tower crane and an upper-turning tower crane according to the structure turning mode of a tower body, can be divided into a lower-turning tower crane and an upper-turning tower crane according to the different installation modes of the tower crane, can be divided into a fast-installation tower crane which is integrally erected by oneself and a tower crane which needs to be assembled and disassembled by means of an.
The conventional tower crane climbing self-lifting system is not provided with a damping device generally at a driving part or has poor damping effect, so that the vibration amplitude of the whole equipment is large, and the normal work of a tower crane is influenced.
Disclosure of Invention
The invention aims to provide a large tower crane climbing self-lifting system and a using method thereof, and aims to solve the technical problem that the normal work of a tower crane is influenced due to the fact that the whole equipment has large vibration amplitude because a damping device is not arranged in the conventional tower crane climbing self-lifting system.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-lifting system for climbing of a large tower crane comprises a base, a connecting column, a driving system, a lifting arm and a damping device; the top of the base is provided with a connecting column; the top of the connecting column is provided with a driving system; the side wall of the connecting column is provided with a lifting arm; a damping device is arranged inside the connecting column; the shock absorption device comprises a compression assembly and a sliding assembly; the compression assembly comprises a first connecting plate, a first spring, an elastic plate and a second connecting plate; the second connecting plate is fixedly connected to the top of the base; the top of the second connecting plate is fixedly connected with an elastic plate; the top of the elastic plate is provided with a first connecting plate; the bottom of the first connecting plate is provided with a first spring.
Further, the sliding assembly comprises a connecting rod, a sliding block, a second spring and a first shell; the first shell is fixedly connected to the top of the second connecting plate; the sliding block is arranged inside the first shell; the second spring is connected to the side wall of the sliding block; one end of the connecting rod is hinged to the sliding block, and the other end of the connecting rod is hinged to the bottom of the first connecting plate.
Furthermore, a cable is arranged inside the lifting arm; the bottom of the mooring rope is connected with a second shell; a clamping device is arranged in the second shell; the clamping device comprises a power assembly, a clamping assembly and an auxiliary assembly; the power assembly comprises a motor, a first gear and a second gear; the motor is arranged on the inner side wall of the shell; the first gear is connected to the output end of the motor; the second gear is rotatably connected to the side wall of the second shell.
Further, the clamping assembly comprises an L-shaped plate, a straight rod and a hollow groove; the L-shaped plate is fixedly connected to the side walls of the first gear and the second gear; the straight rod is fixedly connected to the end part of the L-shaped plate; the side wall of the L-shaped plate is also provided with a hollow groove.
Further, the auxiliary assembly comprises an air bag, an air guide pipe, a rubber pipe and a sucker; the air bag is arranged at the bottom of the empty groove; the surface of the air bag is connected with an air duct; the rubber tube is arranged in the L-shaped plate and is connected with the air bag through the air duct.
Furthermore, the bottom of base rigid coupling has the support frame.
A use method of a large tower crane climbing self-lifting system comprises the following steps:
s1: the motor drives the first gear to rotate, so that the second gear meshed with the first gear rotates, and the L-shaped plate fixedly connected to the bottoms of the first gear and the second gear begins to clamp articles;
s2: treat during the straight-bar inserts the dead slot, and then the extrusion gasbag, in the gas in the gasbag got into the rubber tube through the air duct, the rubber tube just began the inflation for the sucking disc adsorbs on the surface of article, starts the lift arm, and the pulling hawser promotes article.
The invention has the beneficial effects that:
in the invention, the damping device is arranged, and the compression assembly and the sliding assembly are matched for use, so that the vibration generated by the device is greatly reduced, the damage to the tower crane caused by mechanical vibration is reduced, the service life of the tower crane is prolonged, and the integral using effect of the device is also improved.
According to the invention, the clamping device is arranged, the heavy object can be stably lifted to the corresponding position by matching the power assembly, the clamping assembly and the auxiliary assembly, and the friction between the heavy object and the wall body is increased by using the auxiliary assembly, so that the integral using effect of the device is improved.
Drawings
FIG. 1 is a schematic overall structure diagram of a large tower crane climbing self-lifting system according to the present invention;
FIG. 2 is a schematic partial sectional structure view of a large tower crane climbing self-lifting system according to the present invention;
FIG. 3 is a view showing the structure of the area A in FIG. 2;
FIG. 4 is a view showing the structure of the area B in FIG. 2;
FIG. 5 is a view showing the structure of the area C in FIG. 4;
FIG. 6 is a view showing the structure of the area D in FIG. 5;
illustration of the drawings: 1. a base; 11. a support frame; 2. connecting columns; 3. a drive system; 4. a lift arm; 41. a cable; 5. a damping device; 51. a compression assembly; 511. a first connecting plate; 512. a first spring; 513. an elastic plate; 514. a second connecting plate; 52. a sliding assembly; 521. a connecting rod; 522. a slider; 523. a second spring; 524. a first housing; 6. a second housing; 7. a clamping device; 71. a power assembly; 711. a motor; 712. a first gear; 713. a second gear; 72. a clamping assembly; 721. an L-shaped plate; 722. a straight rod; 723. an empty groove; 73. an auxiliary component; 731. an air bag; 732. an air duct; 733. a rubber tube; 734. and (4) sucking discs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a large tower crane climbing self-lifting system comprises a base 1, a connecting column 2, a driving system 3, a lifting arm 4 and a damping device 5; the top of the base 1 is provided with a connecting column 2; the top of the connecting column 2 is provided with a driving system 3; the side wall of the connecting column 2 is provided with a lifting arm 4; a damping device 5 is arranged inside the connecting column 2; the shock-absorbing device 5 comprises a compression assembly 51 and a sliding assembly 52; the compression assembly 51 includes a first connection plate 511, a first spring 512, an elastic plate 513, and a second connection plate 514; the second connecting plate 514 is fixedly connected to the top of the base 1; the top of the second connecting plate 514 is fixedly connected with an elastic plate 513; a first connecting plate 511 is arranged at the top of the elastic plate 513; a first spring 512 is arranged at the bottom of the first connecting plate 511; in operation, after the driving system 3 generates a large vibration, the first connecting plate 511 presses the elastic plate 513 downward, and also compresses the first spring 512, thereby providing a certain buffering effect.
As an embodiment of the present invention, the sliding assembly 52 includes a link 521, a slider 522, a second spring 523, and a first housing 524; the first shell 524 is fixedly connected to the top of the second connecting plate 514; the slider 522 is disposed inside the first housing 524; the second spring 523 is connected to the side wall of the slider 522; one end of the connecting rod 521 is hinged to the sliding block 522, and the other end is hinged to the bottom of the first connecting plate 511; in operation, after the first connecting plate 511 downwardly presses the elastic plate 513, the sliding block 522 arranged inside the first housing 524 will move and press the second spring 523, so as to have a certain damping effect, thereby improving the overall use effect of the device.
As an embodiment of the invention, the lifting arm 4 is internally provided with a cable 41; the bottom of the cable 41 is connected with a second shell 6; a clamping device 7 is arranged inside the second shell 6; the clamping device 7 comprises a power assembly 71, a clamping assembly 72 and an auxiliary assembly 73; the power assembly 71 includes a motor 711, a first gear 712 and a second gear 713; the motor 711 is arranged on the inner side wall of the shell; the first gear 712 is connected to the output end of the motor 711; the second gear 713 is rotatably connected to a side wall of the second housing 6, and the first gear 712 and the second gear 713 are engaged with each other; in operation, the motor 711 rotates the first gear 712, thereby rotating the second gear 713 engaged therewith, and then the article can be released and clamped and lifted to a corresponding position by the action of the L-shaped plate 721.
As an embodiment of the present invention, clamping assemblies 72 are respectively fixed to the side walls of the first gear 712 and the second gear 713, and each clamping assembly 72 comprises an L-shaped plate 721, a straight rod 722 and a hollow groove 723; the two L-shaped plates 721 are respectively fixed to the side walls of the first gear 712 and the second gear 713; the two straight bars 722 are correspondingly and fixedly connected with the end parts of the corresponding L-shaped plates 721; the side walls of the two L-shaped plates 721 are also respectively provided with a hollow groove 723, the two hollow grooves 723 arranged on the two L-shaped plates 721 are arranged in a staggered manner, and the two straight bars 722 on the two corresponding L-shaped plates 721 are also arranged in a staggered manner, so that when the L-shaped plates 721 on the first gear 712 and the second gear 713 are clamped with each other, the straight bars 722 can be inserted into the hollow grooves 723 of each other, and the bidirectional locking and clamping effects are realized; in operation, when the motor 711 drives the first gear 712 to rotate, the second gear 713 engaged therewith also rotates, and the L-shaped plate 721 fixed to the bottom of the first gear 712 and the second gear 713 starts to clamp the object, and the straight bar 722 can be inserted into the empty slot 723.
As an embodiment of the present invention, the auxiliary assembly 73 includes a balloon 731, an airway tube 732, a rubber tube 733 and a suction cup 734; the air bag 731 is arranged at the bottom of the empty groove 723; the surface of the balloon 731 is connected with an airway tube 732; the rubber tube 733 is arranged inside the L-shaped plate 721 and is connected with the air bag 731 through an air duct 732; the bottom of the base 1 is fixedly connected with a support frame 11; in operation, when the straight rod 722 is inserted into the hollow 723 to press the air bag 731, the air in the air bag 731 enters the rubber tube 733 through the air duct 732, the rubber tube 733 starts to expand, and the suction cup 734 is attached to the surface of the article, so that friction between the article and the L-shaped plate 721 can be increased.
The working principle is as follows: in operation, after the driving system 3 generates a large vibration, the first connecting plate 511 presses the elastic plate 513 downward, and also compresses the first spring 512, so as to have a certain buffering effect, and at the same time, the slider 522 arranged inside the first housing 524 will move and press the second spring 523, so as to have a certain damping effect; when the heavy object is lifted, the motor 711 drives the first gear 712 to rotate, so that the second gear 713 engaged with the first gear is rotated, the L-shaped plate 721 fixedly connected to the bottoms of the first gear 712 and the second gear 713 starts to clamp the object, the straight rod 722 can be inserted into the hollow groove 723 to extrude the air bag 731, the air in the air bag 731 enters the rubber tube 733 through the air guide tube 732, the rubber tube 733 starts to expand, the air cannot enter the suction cup 734, the rubber tube 733 continuously thickens, the suction cup 734 generates forward displacement, the suction cup 734 is in contact with the object and is adsorbed on the surface of the object, at the moment, the suction cup 734 and the rubber tube 733 are attached to the surface of the object, the object is prevented from shaking, and the object can be stably lifted to a corresponding position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. A self-lifting system for climbing of a large tower crane is characterized by comprising a base (1), a connecting column (2), a driving system (3), a lifting arm (4) and a damping device (5); the top of the base (1) is provided with a connecting column (2); the top of the connecting column (2) is provided with a driving system (3); the side wall of the connecting column (2) is provided with a lifting arm (4); a damping device (5) is arranged inside the connecting column (2); the shock-absorbing device (5) comprises a compression assembly (51) and a sliding assembly (52); the compression assembly (51) comprises a first connection plate (511), a first spring (512), an elastic plate (513) and a second connection plate (514); the second connecting plate (514) is fixedly connected to the top of the base (1); the top of the second connecting plate (514) is fixedly connected with an elastic plate (513); a first connecting plate (511) is arranged at the top of the elastic plate (513); the bottom of the first connecting plate (511) is provided with a first spring (512).
2. The large tower crane climbing self-lifting system according to claim 1, wherein the sliding assembly (52) comprises a connecting rod (521), a sliding block (522), a second spring (523) and a first housing (524); the first shell (524) is fixedly connected to the top of the second connecting plate (514); the slider (522) is arranged inside the first shell (524); the second spring (523) is connected to the side wall of the sliding block (522); one end of the connecting rod (521) is hinged to the sliding block (522), and the other end of the connecting rod is hinged to the bottom of the first connecting plate (511).
3. The large tower crane climbing self-lifting system according to claim 2, wherein a cable (41) is arranged inside the lifting arm (4); the bottom of the cable (41) is connected with a second shell (6); a clamping device (7) is arranged in the second shell (6); the clamping device (7) comprises a power assembly (71), a clamping assembly (72) and an auxiliary assembly (73); the power assembly (71) comprises a motor (711), a first gear (712) and a second gear (713); the motor (711) is arranged on the inner side wall of the shell; the first gear (712) is connected to the output end of the motor (711); the second gear (713) is rotatably connected to the side wall of the second housing (6), and the first gear (712) is in meshed connection with the second gear (713).
4. The large tower crane climbing self-lifting system according to claim 3, wherein the clamping assembly (72) comprises an L-shaped plate (721), a straight rod (722) and a hollow groove (723); the L-shaped plate (721) is fixedly connected to the side walls of the first gear (712) and the second gear (713); the straight rod (722) is fixedly connected to the end part of the L-shaped plate (721); the side wall of the L-shaped plate (721) is also provided with a hollow groove (723).
5. The large tower crane climbing self-lifting system according to claim 4, wherein the auxiliary assembly (73) comprises a balloon (731), an air duct (732), a rubber tube (733) and a suction cup (734); the air bag (731) is arranged at the bottom of the empty groove (723); the surface of the air bag (731) is connected with an air duct (732); the rubber tube (733) is arranged inside the L-shaped plate (721) and is connected with the air bag (731) through the air guide tube (732).
6. The climbing self-lifting system of a large tower crane according to claim 1, wherein a support frame (11) is fixed to the bottom of the base (1).
7. The use method of the large tower crane climbing self-lifting system is characterized by comprising the following steps:
s1: the motor (711) drives the first gear (712) to rotate, so that the second gear (713) meshed with the first gear rotates, and the L-shaped plate (721) fixedly connected to the bottoms of the first gear (712) and the second gear (713) starts to clamp the article;
s2: when the straight rod (722) is inserted into the empty groove (723), the air bag (731) is further extruded, air in the air bag (731) enters the rubber tube (733) through the air guide tube (732), the rubber tube (733) starts to expand, the suction cup (734) is made to be adsorbed on the surface of an object, the lifting arm (4) is started, and the cable (41) is pulled to lift the object.
CN202011113431.0A 2020-10-17 2020-10-17 Self-lifting system for climbing of large tower crane and use method Withdrawn CN112125135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011113431.0A CN112125135A (en) 2020-10-17 2020-10-17 Self-lifting system for climbing of large tower crane and use method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011113431.0A CN112125135A (en) 2020-10-17 2020-10-17 Self-lifting system for climbing of large tower crane and use method

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Publication Number Publication Date
CN112125135A true CN112125135A (en) 2020-12-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011113431.0A Withdrawn CN112125135A (en) 2020-10-17 2020-10-17 Self-lifting system for climbing of large tower crane and use method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113602986A (en) * 2021-09-30 2021-11-05 南通杰品起重设备有限公司 Self-stabilizing cantilever of crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113602986A (en) * 2021-09-30 2021-11-05 南通杰品起重设备有限公司 Self-stabilizing cantilever of crane

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Application publication date: 20201225

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