CN111217254A - Light easy-to-install tower crane - Google Patents

Light easy-to-install tower crane Download PDF

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Publication number
CN111217254A
CN111217254A CN201911170502.8A CN201911170502A CN111217254A CN 111217254 A CN111217254 A CN 111217254A CN 201911170502 A CN201911170502 A CN 201911170502A CN 111217254 A CN111217254 A CN 111217254A
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CN
China
Prior art keywords
tower
pulley
upper support
crane
tower crane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911170502.8A
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Chinese (zh)
Inventor
孙延春
蔡雷
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201911170502.8A priority Critical patent/CN111217254A/en
Publication of CN111217254A publication Critical patent/CN111217254A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/16—Cranes 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/06—Cranes 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 mounted for jibbing or luffing movements
    • B66C23/08—Cranes 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 mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
    • B66C23/10—Cranes 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 mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/44—Foundations for machines, engines or ordnance

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The utility model provides a light-duty easy installation tower machine, is provided with the base including setting up the tower machine basis in the bottom on tower machine basis, is provided with slewing bearing on the base, is provided with the upper bracket on slewing bearing, installs the tower bottom on the upper bracket, still is provided with first vaulting pole connecting piece and second vaulting pole connecting piece respectively at the front end and the rear end of base. By adopting the structure, the structural design of the tower crane is simple and reasonable, the weight of each part is not more than 50 kg, and when the field operation is carried out, the parts of the tower crane can be carried by manpower without additionally using transportation equipment, so that the tower crane can adapt to the severe operation environment in which the transportation equipment cannot be used; meanwhile, the tower crane is simple and labor-saving in the assembling process, the tower body is erected through the winch and the pulley device after the tower crane is horizontally installed, the assembling device is not needed, the assembling mode is ingenious in design, the tower crane can adapt to severe field environment, the application range is wide, and the existing problems are solved.

Description

Light easy-to-install tower crane
Technical Field
The invention relates to a tower crane, in particular to a light tower crane easy to install.
Background
The tower crane is also called tower crane, and is a common hoisting device in construction sites. At present, most of universal tower cranes are assembled and molded by a plurality of components, the weight of each component of the universal tower crane is heavy, conveying equipment is generally needed in the conveying process, and hoisting equipment is generally needed in the assembling process. However, for field operation, such as building a base station for mobile communication in the field, the general tower crane is often difficult to use: firstly, the field operation environment is often severe, roads in some operation places are difficult to run or even have no roads, and parts of the tower crane are difficult to transport by using transport equipment; secondly, the assembly process of the general tower crane is complex, and generally, additional hoisting equipment is needed for auxiliary installation, and the field operation environment often cannot be matched with the use of the hoisting equipment, so that the assembly work of the tower crane is difficult to complete by manpower alone. With the active promotion of the western strategy of China and the rapid development of communication services, the situations of field operation of tower cranes are more and more, and therefore, the development of a light easy-to-install tower crane suitable for field operation in severe environment is urgently needed.
Disclosure of Invention
The invention provides a light easy-to-install tower crane which is reasonable in structural design and solves the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a light easy-to-install tower crane comprises a tower crane foundation arranged at the bottom, wherein a base is arranged on the tower crane foundation, a slewing bearing is arranged on the base, an upper support is arranged on the slewing bearing, a tower bottom is arranged on the upper support, a first supporting rod connecting piece and a second supporting rod connecting piece are further arranged at the front end and the rear end of the upper support respectively, a transition joint is arranged at the top of the tower bottom, a first supporting rod is arranged on the front side and the rear side of the first supporting rod connecting piece respectively, a second supporting rod is arranged on the front side and the rear side of the second supporting rod connecting piece respectively, the other ends of the first supporting rod and the second supporting rod are connected with the transition joint, a tower body is arranged at the top of the transition joint, the tower body comprises a plurality of mutually connected tower body joints, a small tower body joint is arranged at the topmost end of the tower body, a tower tip is arranged at the top of the small tower body, and a cargo boom is arranged at the top;
the tower crane is also provided with a pulley system, and the pulley system comprises a vertical pulley system which is arranged between the upper support and the tower bottom and used for vertically mounting the tower body and the crane boom; the amplitude variation pulley system is arranged between the upper support and the crane boom and used for adjusting the amplitude of the crane boom; and the hook pulley system is arranged on the tower body and the crane arm and used for adjusting the height of the hook.
The tower crane foundation comprises a concrete seat, the concrete strength grade of the concrete seat is C35, and foundation bolts are arranged on the concrete seat corresponding to the base at intervals.
The vertical pulley system comprises a first pulley combination arranged on the upper support and a tower bottom pulley combination arranged on the tower bottom and matched with the first pulley combination, and a rope sleeved on the first pulley combination and the tower bottom pulley combination is connected to a first winch arranged on the upper support.
The variable-amplitude pulley system comprises a variable-amplitude pulley combination arranged on the upper support and a movable pulley arranged at the rear end of the lifting arm, and a rope sleeved on the movable pulley bypasses the variable-amplitude pulley combination and is connected to a second winch arranged on the upper support.
The lifting hook pulley system comprises a lifting arm pulley arranged at the front end of the lifting arm and a plurality of tower body pulleys arranged on a tower body, one end of a rope of the lifting hook pulley system is connected to the lifting arm, the rope is sleeved on a lifting hook hung below the lifting arm, then the rope bypasses the lifting arm pulley and the tower body pulley and is finally connected to a third winch arranged on the upper support.
By adopting the structure, the tower crane is simple and reasonable in structural design, each part is light in weight, and when field operation is carried out, parts of the tower crane can be carried by manpower without additionally using transportation equipment, so that the tower crane can adapt to a severe operation environment in which the transportation equipment cannot be used; meanwhile, the tower crane is simple and labor-saving in the assembling process, the tower body is erected through the winch and the pulley device after the tower crane is horizontally installed, the assembling device is not needed, the assembling mode is ingenious in design, the tower crane can adapt to severe field environment, the application range is wide, and the existing problems are solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the upper support of the present invention.
Fig. 3 is a top view of fig. 2.
FIG. 4 is a schematic view of the structure of the bottom of the column of the present invention.
Fig. 5 is a right side view of fig. 4.
Fig. 6 is a schematic structural diagram of a transition section of the present invention.
Fig. 7 is a schematic structural view of a tower section of the present invention.
Fig. 8 is a schematic structural view of a small tower section of the present invention.
FIG. 9 is a schematic view of the tip of the present invention.
Fig. 10 is a schematic structural view of a boom of the present invention.
In the figure, 1, a tower crane foundation, 2, a base, 3, a slewing bearing, 4, an upper support, 5, a tower bottom, 6, a first support rod connecting piece, 7, a second support rod connecting piece, 8, a transition section, 9, a first support rod, 10, a second support rod, 11, a tower body, 12, a tower body section, 13, a small tower body section, 14, a tower tip, 15, a crane boom, 16, a first pulley combination, 17, a tower bottom pulley combination, 18, a first winch, 19, a movable pulley, 20, a second winch, 21, a crane boom pulley, 22, a tower body pulley, 23, a lifting hook, 24, a third winch, 25 and a luffing pulley combination.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-10, the structure of the present invention is:
a light easy-to-install tower crane comprises a tower crane foundation 1 arranged at the bottom, a base 2 is arranged on the tower crane foundation 1, a slewing bearing 3 is arranged on the base 2, an upper support 4 is arranged on the slewing bearing 3, a tower bottom 5 is arranged on the upper support 4, a first stay rod connecting piece 6 and a second stay rod connecting piece 7 are respectively arranged at the front end and the rear end of the upper support 4, a transition section 8 is arranged at the top of the tower bottom 5, a first stay rod 9 is respectively arranged at the front side and the rear side of the first stay rod connecting piece 6, a second stay rod 10 is respectively arranged at the front side and the rear side of the second stay rod connecting piece 7, the other ends of the first stay rod 9 and the second stay rod 10 are respectively connected with the transition section 8, a tower body 11 is arranged at the top of the transition section 8, the tower body 11 comprises a plurality of tower body sections 12 which are mutually connected, the tower body sections 12 are composed of four tower body sections, and the weight of each tower body section is less than 50 kg, a small tower body section 13 is arranged at the topmost end of the tower body 11, the weight of the small tower body section 13 is less than 50 kg, a tower tip 14 is arranged at the top of the small tower body section 13, and a crane arm 15 is arranged at the top of the tower tip 14;
a pulley system is also arranged on the tower crane, and the pulley system comprises a vertical pulley system which is arranged between the upper support 4 and the tower bottom 5 and used for vertically installing the tower body and the crane boom 15; a luffing pulley system arranged between the upper support 4 and the crane boom 15 and used for adjusting the amplitude of the crane boom 15; a hook pulley system provided on the tower 11 and the boom 15 for adjusting the height of the hook 23.
The tower crane foundation comprises a concrete seat, the concrete strength grade of the concrete seat is C35, reinforcing steel bars are arranged in the tower crane foundation 1, the reinforcing steel bars are 3-grade deformed steel bars, the ground resistance of the tower crane foundation 1 is not less than 160KPa, the horizontal error of the upper plane of the tower crane foundation 1 is less than 2 mm, a cushion layer with the thickness of more than 100 mm is poured under the tower crane foundation 1, the concrete strength grade of the cushion layer is more than C20, and the edge of the cushion layer is 100 mm. Foundation bolts are arranged on the concrete seat corresponding to the base at intervals.
The pulley system for raising comprises a first pulley combination 16 arranged on the upper support 4 and a tower bottom pulley combination 17 arranged on the tower bottom 5 and matched with the first pulley combination 16, and a rope sleeved on the first pulley combination 16 and the tower bottom pulley combination 17 is connected to a first winch 18 arranged on the upper support 4.
The variable amplitude pulley system 25 comprises a variable amplitude pulley combination arranged on the upper support 4 and further comprises a movable pulley 19 arranged at the rear end of the crane boom 15, and a rope sleeved on the movable pulley 19 bypasses the variable amplitude pulley combination 25 and is connected to a second winch 20 arranged on the upper support.
The lifting hook pulley system comprises a lifting arm pulley 21 arranged at the front end of the lifting arm 15 and a plurality of tower body pulleys 22 arranged on the tower body 11, one end of a rope of the lifting hook pulley system is connected to the lifting arm 15, the rope is hung on a lifting hook 23 below the lifting arm 15 in a sleeved mode, then the rope bypasses the lifting arm pulley 21 and the tower body pulley 22, and finally the rope is connected to a third winch 24 arranged on the upper support 4.
When the tower crane is installed, firstly, the tower crane foundation 1 and the base 2 are arranged, then the slewing bearing 3 is installed, the upper support 4 is installed on the slewing bearing 3, then the tower bottom 5, the transition joint 8, the tower body 11 and the crane boom 15 are installed in sequence, at the moment, the tower bottom 5, the transition joint, the tower body 11 and the crane boom 15 are all in a horizontal state, the first support rod 9 and the second support rod 10 are connected between the upper support 4 and the transition joint 8, and a standing pulley system between the upper support 4 and the tower bottom 5 is configured. Then a luffing pulley system and a hook pulley system are configured.
And starting the first winch 18 to enable the vertical pulley system to operate, gradually raising the tower bottom 5, the transition section 8, the tower body 11 and the crane boom 15 along with the tightening of the rope between the tower bottom pulley combination 17 and the first pulley combination 16 until the tower body 11 is in a vertical state, stopping the operation of the vertical pulley system, and inserting a pin shaft for connecting the tower bottom 5 and the upper support 4.
In the running process of the tower crane, the angle of the crane boom 15 can be adjusted through the running of the luffing pulley system, so that the lifting amplitude is adjusted. The hoisting of the heavy object is realized through the operation of the hook pulley system. The slewing of tower machine is realized through artifical promotion upper bracket 4, saves cost operation convenience. The working amplitude of the tower crane is 2.6-4 m, the lifting height is 19 m, and the maximum lifting weight can reach 0.7 ton.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.

Claims (5)

1. A light-duty tower machine of easily installing which characterized in that: the tower crane comprises a tower crane foundation arranged at the bottom, wherein a base is arranged on the tower crane foundation, a slewing bearing is arranged on the base, an upper support is arranged on the slewing bearing, a tower bottom is arranged on the upper support, a first supporting rod connecting piece and a second supporting rod connecting piece are further arranged at the front end and the rear end of the upper support respectively, a transition joint is arranged at the top of the tower bottom, a first supporting rod is arranged on the front side and the rear side of the first supporting rod connecting piece respectively, a second supporting rod is arranged on the front side and the rear side of the second supporting rod connecting piece respectively, the other ends of the first supporting rod and the second supporting rod are connected with the transition joint, a tower body is arranged at the top of the transition joint, the tower body comprises a plurality of mutually connected tower body joints, a small tower body joint is arranged at the topmost end of the tower body, a tower tip is arranged at the top of the small tower body joint, and a cargo boom is arranged at the;
the tower crane is also provided with a pulley system, and the pulley system comprises a vertical pulley system which is arranged between the upper support and the tower bottom and used for vertically mounting the tower body and the crane boom; the amplitude variation pulley system is arranged between the upper support and the crane boom and used for adjusting the amplitude of the crane boom; and the hook pulley system is arranged on the tower body and the crane arm and used for adjusting the height of the hook.
2. A light easy-to-install tower crane according to claim 1, characterized in that the tower crane foundation comprises a concrete base, the concrete strength grade of the concrete base is C35, and anchor bolts are arranged on the concrete base corresponding to the base at intervals.
3. A light easy-to-install tower crane according to claim 1, characterized in that: the vertical pulley system comprises a first pulley combination arranged on the upper support and a tower bottom pulley combination arranged on the tower bottom and matched with the first pulley combination, and a rope sleeved on the first pulley combination and the tower bottom pulley combination is connected to a first winch arranged on the upper support.
4. A light easy-to-install tower crane according to claim 1, characterized in that: the variable-amplitude pulley system comprises a variable-amplitude pulley combination arranged on the upper support and a movable pulley arranged at the rear end of the lifting arm, and a rope sleeved on the movable pulley bypasses the variable-amplitude pulley combination and is connected to a second winch arranged on the upper support.
5. A light easy-to-install tower crane according to claim 1, characterized in that: the lifting hook pulley system comprises a lifting arm pulley arranged at the front end of the lifting arm and a plurality of tower body pulleys arranged on a tower body, one end of a rope of the lifting hook pulley system is connected to the lifting arm, the rope is sleeved on a lifting hook hung below the lifting arm, then the rope bypasses the lifting arm pulley and the tower body pulley and is finally connected to a third winch arranged on the upper support.
CN201911170502.8A 2019-11-26 2019-11-26 Light easy-to-install tower crane Pending CN111217254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911170502.8A CN111217254A (en) 2019-11-26 2019-11-26 Light easy-to-install tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911170502.8A CN111217254A (en) 2019-11-26 2019-11-26 Light easy-to-install tower crane

Publications (1)

Publication Number Publication Date
CN111217254A true CN111217254A (en) 2020-06-02

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CN201911170502.8A Pending CN111217254A (en) 2019-11-26 2019-11-26 Light easy-to-install tower crane

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113753761A (en) * 2021-08-09 2021-12-07 浙江省建设工程机械集团有限公司 Tower crane with main and auxiliary hoisting systems

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2032611U (en) * 1987-10-15 1989-02-15 中国建筑科学研究院建筑机械化研究所 Folding type fast erecting tower crane
CN2329645Y (en) * 1998-03-31 1999-07-21 田奇 Self-standing tower-platform dual-purpose crane
CN101962156A (en) * 2010-10-18 2011-02-02 南京工业大学 Foldable fast-assembling tower crane
CN102642783A (en) * 2012-05-19 2012-08-22 南京工业大学 Tower crane capable of quickly mounting and dismounting counterweight and counterweight
CN202415019U (en) * 2012-01-01 2012-09-05 济宁四通工程机械有限公司 Rapidly erected tire type crane
CN202481962U (en) * 2012-03-13 2012-10-10 北京建筑机械化研究院 Light economical type fast-erecting crane
CN105271022A (en) * 2014-06-26 2016-01-27 胡新飞 Quick-assembly tower crane
CN211366754U (en) * 2019-11-26 2020-08-28 孙延春 Light easy-to-install tower crane

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2032611U (en) * 1987-10-15 1989-02-15 中国建筑科学研究院建筑机械化研究所 Folding type fast erecting tower crane
CN2329645Y (en) * 1998-03-31 1999-07-21 田奇 Self-standing tower-platform dual-purpose crane
CN101962156A (en) * 2010-10-18 2011-02-02 南京工业大学 Foldable fast-assembling tower crane
CN202415019U (en) * 2012-01-01 2012-09-05 济宁四通工程机械有限公司 Rapidly erected tire type crane
CN202481962U (en) * 2012-03-13 2012-10-10 北京建筑机械化研究院 Light economical type fast-erecting crane
CN102642783A (en) * 2012-05-19 2012-08-22 南京工业大学 Tower crane capable of quickly mounting and dismounting counterweight and counterweight
CN105271022A (en) * 2014-06-26 2016-01-27 胡新飞 Quick-assembly tower crane
CN211366754U (en) * 2019-11-26 2020-08-28 孙延春 Light easy-to-install tower crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113753761A (en) * 2021-08-09 2021-12-07 浙江省建设工程机械集团有限公司 Tower crane with main and auxiliary hoisting systems
CN113753761B (en) * 2021-08-09 2024-02-13 浙江省建设工程机械集团有限公司 Tower crane with main and auxiliary hoisting systems

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