CN113371623B - Universal combination method for super-lifting mast, crane and arm support - Google Patents

Universal combination method for super-lifting mast, crane and arm support Download PDF

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Publication number
CN113371623B
CN113371623B CN202110736202.2A CN202110736202A CN113371623B CN 113371623 B CN113371623 B CN 113371623B CN 202110736202 A CN202110736202 A CN 202110736202A CN 113371623 B CN113371623 B CN 113371623B
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China
Prior art keywords
mast
arm
crane
super
main arm
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Active
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CN202110736202.2A
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Chinese (zh)
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CN113371623A (en
Inventor
陈品超
沈明
孙雪峰
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Sany America Inc
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Sany America Inc
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Priority to CN202110736202.2A priority Critical patent/CN113371623B/en
Publication of CN113371623A publication Critical patent/CN113371623A/en
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Classifications

    • 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
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention provides a general combination method of a super-lifting mast, a crane and an arm support, which belongs to the technical field of engineering machinery and comprises the following steps: the mast comprises a mast body, wherein a first end of the mast body is provided with a first interface structure, the first interface structure is suitable for being connected with the upper end of a turntable or a main arm of a crane, and a second end of the mast body is provided with a first pulley structure and a first installation part suitable for installing a second pulley structure. According to the super-lift mast, the first interface structure is arranged at the first end of the mast body, and the first installation part for installing the second pulley structure is arranged at the second end of the mast body, so that the super-lift mast can be used as an amplitude-variable auxiliary arm and a light main arm after the pulleys are installed on the first installation part, the universality of the arm support is strong, the utilization rate of the arm support is improved, and the cost is saved.

Description

Universal combination method for super-lifting mast, crane and arm support
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a general combination method of a super-lift mast, a crane and a boom.
Background
The number of the arm frames of the arm frame type crane is large, the types of combined working conditions are large, and different arm shapes have large differences due to the weight and the size as well as the weight and the size of accessories matched with the arm frame type crane, so that the arm frame type crane also corresponds to different lifting performances, and further corresponds to different use requirements and costs. With the development of all-terrain cranes to ultra-large tonnage, fixed auxiliary arms, tower auxiliary arms and luffing auxiliary arms have been applied to all-terrain cranes. Therefore, different arm frames are usually required to be equipped corresponding to different use environments and the weight of the hoisted articles, and the universality among the different arm frames is poor, so that the cost is wasted.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of low universality and cost waste among different arm supports in the prior art.
In order to solve the technical problems, the invention provides a super-lift mast, comprising:
the mast comprises a mast body, wherein a first end of the mast body is provided with a first interface structure, the first interface structure is suitable for being connected with the upper end of a turntable or a main arm of a crane, and a second end of the mast body is provided with a first pulley structure and a first installation part suitable for installing a second pulley structure.
The first end of the mast body is provided with a first section arm, the first interface structure is arranged on the first section arm, the second end of the mast body is provided with a second section arm, and the first mounting part is arranged on the second section arm.
The first end of the mast body is provided with a backward tilting prevention structure.
The invention also provides a crane, which comprises a turntable, a main arm and the super-lift mast.
The crane is provided with a first combination state, and in the first combination state, two super-lift masts are arranged, wherein the second end of one super-lift mast is connected with the turntable, and the second end of the other super-lift mast is connected with the main arm and forms an amplitude auxiliary arm.
The crane has a second combined state, and in the second combined state, the first end of the super-lift mast is connected with the upper end of the main arm and forms an amplitude-variable auxiliary arm.
The crane has a third combined state in which the first end of the superlift mast is connected with the turret and forms a lightweight main arm.
The crane has a fourth combined state in which the lower end of the main arm is connected with the turntable, the first end of the superlift mast is also connected with the turntable, and the main arm forms a superlift main arm.
The upper end of the main arm is provided with an arm head, and the first interface structure is suitable for being connected with the arm head.
The invention also provides a general combination method of the arm support, which is applied to the crane, wherein the crane has a recombination state, and in the recombination state, the super-lift mast is connected with the main arm to serve as an amplitude-variable auxiliary arm, or the super-lift mast replaces the main arm to serve as a light main arm.
The technical scheme of the invention has the following advantages:
1. according to the super-lift mast, the first interface structure is arranged at the first end of the mast body, and the first installation part for installing the second pulley structure is arranged at the second end of the mast body, so that the super-lift mast can be used as an amplitude-variable auxiliary arm and a light main arm after the pulleys are installed on the first installation part, the universality of the arm support is strong, the utilization rate of the arm support is improved, and the cost is saved.
2. According to the super-lift mast, the first interface structure is arranged on the first section arm, the first installation part is arranged on the second section arm, and the first section arm and the second section arm are detachably arranged at the two ends of the mast body, so that the use state of the super-lift mast can be converted, and the super-lift mast is more flexible to use.
3. According to the super-lift mast, the backward tilting prevention structure is arranged at the lower end of the mast body, so that the super-lift mast is prevented from backward tilting when in use.
4. The crane provided by the invention comprises the turntable, the main arm and the super-lifting mast, and can be used in different combinations with the turntable and the main arm by utilizing the universality of the super-lifting mast so as to meet different working condition demands, and the crane has high utilization rate and saves cost.
5. According to the crane provided by the invention, two super-lifting masts are arranged, one super-lifting masts is connected with the turntable to serve as the super-lifting masts, the other super-lifting masts are connected with the main arm to serve as the amplitude-variable auxiliary arm, and the crane can be used under the working condition of the super-lifting amplitude-variable auxiliary arm.
6. According to the crane provided by the invention, the super-lift mast is connected with the main arm to serve as the luffing auxiliary arm, and the crane can be used under the luffing auxiliary arm working condition.
7. According to the crane provided by the invention, the super-lift mast is connected with the turntable to serve as the main arm, and the crane can be used under the working condition of the light main arm.
8. According to the crane provided by the invention, the super-lifting mast is connected with the turntable and is matched with the main arm to form the super-lifting main arm, so that the crane can be used under the working condition of the super-lifting main arm.
9. According to the crane provided by the invention, the arm head is arranged at the upper end of the main arm, the arm head is connected with the first interface structure, the lower ends of different arm supports are arranged to be the same first interface structure, and the connection with various arm supports can be realized only by arranging one group of interfaces on the arm head, so that the connection and replacement of the arm supports are more convenient and quicker.
10. The universal combination method for the arm support, which is provided by the invention, is applied to the crane, and the super-lift mast is used not only under the super-lift working condition, but also as an amplitude-variable auxiliary arm or a light main arm, so that the universality of the arm support is strong, the utilization rate of the arm support is improved, and the cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a third arm of a first arm or luffing jib of a super-lift mast provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a second arm or a fourth arm of a luffing jib of a super-lift mast provided by an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the second boom of the super lift mast provided by the embodiment of the invention with a second pulley structure or a fourth boom of the luffing jib with a fourth pulley structure;
fig. 4 is a schematic structural diagram of a crane according to an embodiment of the present invention in a first combined state;
fig. 5 is a schematic structural diagram of a crane according to an embodiment of the present invention in a second combined state;
fig. 6 is a schematic structural diagram of a crane according to an embodiment of the present invention in a third combined state;
fig. 7 is a schematic structural diagram of a crane according to an embodiment of the present invention in a fourth combined state.
Reference numerals illustrate:
10. super-lifting the mast; 11. a first arm; 111. a first interface structure; 112. a backward tilting prevention structure; 12. a second arm segment; 121. a first pulley structure; 122. a first mounting portion; 20. a turntable; 30. a main arm; 31. an arm head; 40. a luffing jib; 41. a third arm section; 411. a second interface structure; 42. a fourth arm section; 421. a third pulley structure; 422. a second mounting portion; 50. a first mast; 60. and a second mast.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
One embodiment of the superlift mast as shown in fig. 1-3, comprises: the mast body, a first knuckle arm 11 detachably connected to a first end of the mast body, and a second knuckle arm 12 detachably connected to a second end of the mast body, the first knuckle arm 11 being provided with a first interface structure 111 adapted to be connected with the turntable 20 or the main arm 30, the second knuckle arm 12 being provided with a first pulley structure 121, and a first mounting portion 122 adapted to mount the second pulley structure.
In this embodiment, the first end of the mast body is the lower end of the mast body, the first arm 11 is the lower arm, the second end of the mast body is the upper end of the mast body, and the second arm 12 is the upper arm.
By arranging the first interface structure 111 and the first mounting part 122, the super-lift mast can be used as an amplitude-variable auxiliary arm and a light main arm after a pulley is mounted on the first mounting part 122, so that the universality of the arm support is strong, the utilization rate of the arm support is improved, and the cost is saved; the first interface structure 111 is provided on the first arm 11, the first mounting portion 122 is provided on the second arm 12, and the first arm 11 and the second arm 12 are detachably provided at both ends of the mast body, so that the super-lift mast can be converted into a use state, and the super-lift mast can be used more flexibly.
In the present embodiment, as shown in fig. 1, one side of the first arm 11 is provided with a backward tilting prevention structure 112. The anti-recline structure 112 may be a spring bar or cylinder structure connected between the super mast and other boom.
As shown in fig. 4 to 7, a specific embodiment of the crane is also provided, comprising the above-mentioned super mast 10, further comprising a turntable 20, a main arm 30. The universality of the super-lifting mast 10 is utilized, and the super-lifting mast can be used with the turntable 20 and the main arm 30 in different combinations so as to meet different working condition demands, and the crane has high utilization rate and saves cost.
As shown in fig. 4, the crane is in a first combined state, at this time, two super-lift masts 10 are provided, the lower end of the first super-lift mast 10 is connected with the turntable 20, the lower end of the second super-lift mast 10 is connected with the upper end of the main arm 30 to form an amplitude auxiliary arm, and the first installation part 122 of the second super-lift mast 10 is connected with a second pulley structure. A first mast 50 and a second mast 60 are also provided, the first mast 50 and the second mast 60 are both connected with the upper end of the main arm 30, and a backward tilting prevention structure 112 is provided between the lower end of the second super lift mast 10 and the lower end of the first mast 50. When the crane is in the first combined state, the crane can be used under the working condition of the super-lifting luffing jib.
In this embodiment, as shown in fig. 1 to 3, there may be further provided a luffing jib 40, the luffing jib 40 including a jib body, a third knuckle arm 41 detachably connected to a first end of the jib body, and a fourth knuckle arm 42 detachably connected to a second end of the jib body, the third knuckle arm 41 being provided with a second interface structure 411, the fourth knuckle arm 42 being provided with a third pulley structure 421, and a second mounting portion 422 adapted to mount the fourth pulley structure. The two ends of the amplitude-variable auxiliary arm 40 and the two ends of the super-lift mast 10 have the same structure, so that the universality of the amplitude-variable auxiliary arm 40 and the super-lift mast 10 is realized.
In this embodiment, as shown in fig. 4, when the crane is in the first combined state, the super-lift mast 10 and the luffing jib 40 are both set to be one, the lower end of the super-lift mast 10 is connected with the turntable 20, the lower end of the luffing jib 40 is connected with the upper end of the main jib 30, and the second installation part 422 of the luffing jib 40 is connected with a fourth pulley structure. The anti-roll back structure 112 is disposed between the lower end of the luffing jib 40 and the lower end of the first mast 50.
As shown in fig. 5, the crane is in the second combined state, at this time, the lower end of the main arm 30 is connected with the turntable 20, the upper end of the main arm 30 is connected with the super-lift mast 10, the first mounting portion 122 of the super-lift mast 10 is provided with the second pulley structure, the main arm 30 is also connected with the first mast 50 and the second mast 60, and the anti-backward tilting structure 112 is provided between the super-lift mast 10 and the first mast 50. When the crane is in the second combined state, the crane can be used under the working condition of the luffing jib.
As shown in fig. 6, the crane is in the third combined state, the lower end of the super mast 10 is connected to the turntable 20, and the second pulley structure is provided on the first mounting portion 122 of the super mast 10. When the crane is in the third combined state, the crane can be used under the working condition of the light main arm.
As shown in fig. 7, the crane is in a fourth combined state, the lower end of the main arm 30 is connected to the turret 20, and the lower end of the superlift mast 10 is also connected to the turret 20. When the crane is in the fourth combined state, the crane can be used under the working condition of the super-lifting main arm.
In this embodiment, as shown in fig. 4 and 5, the upper end of the main arm 30 is provided with an arm head 31, and the first interface structure 111 of the super-lift mast 10 or the second interface structure 411 of the luffing jib 40 may be connected to the arm head 31. Because of the universality of the first interface structure 111 and the second interface structure 411, the connection with various arm frames can be realized only by arranging a group of interfaces on the arm head 31, and the connection and replacement of the arm frames are more convenient and quick.
In this embodiment, the superlift luffing winch of the crane may be disposed on the turntable 20 or on the lower jib of the superlift mast 10, if disposed on the lower jib of the superlift mast 10, when the superlift mast 10 is used as the luffing jib 40, the superlift luffing winch needs to be detached first, and if the superlift luffing winch is disposed on the turntable 20, the superlift mast 10 may be directly used as the luffing jib 40.
When the crane of the embodiment is used, the main arm 30, the amplitude-variable auxiliary arm 40 and the super-lift mast 10 can be combined according to different use requirements on site to form different combination states so as to meet different working condition requirements.
The specific implementation mode of the boom general combination method is also provided, and the boom of the crane can be recombined, and the super-lift mast 10 can be used not only under the super-lift working condition, but also connected with the main boom 30 to serve as an amplitude auxiliary boom, or can be used as a light main boom instead of the main boom 30. The boom has strong universality, improves the utilization rate of the boom and saves the cost.
In summary, the super-lift mast provided in this embodiment can also be used as an amplitude-variable auxiliary arm and a light main arm after the pulley is mounted on the first mounting portion, so that the universality of the arm support is strong, the utilization rate of the arm support is improved, and the cost is saved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (9)

1. A super lift mast, comprising:
a mast body, a first end of which is provided with a first interface structure (111), the first interface structure (111) being adapted to be connected with the upper end of a turntable (20) or a main arm (30) of a crane, a second end of which is provided with a first pulley structure (121), and a first mounting part (122) adapted to mount a second pulley structure;
a first arm (11) is arranged at the first end of the mast body, the first interface structure (111) is arranged on the first arm (11), and the first arm (11) is detachably connected with the first end of the mast body; the second end of the mast body is provided with a second knuckle arm (12), the first installation part (121) is arranged on the second knuckle arm (12), and the second knuckle arm (12) is detachably connected with the second end of the mast body.
2. Super mast according to claim 1, characterized in that the first end of the mast body is provided with anti-recline structure (112).
3. A crane, characterized by comprising a turret (20), a main arm (30) and a super lift mast according to claim 1 or 2.
4. A crane according to claim 3, characterized in that the crane has a first combined condition in which the superlift mast (10) is provided in two, one of the superlift masts (10) having a first end connected to the turret (20) and the other superlift mast (10) having a first end connected to the main arm (30) and forming a luffing jib.
5. A crane according to claim 3, characterized in that the crane has a second combined condition in which the first end of the superlift mast (10) is connected to the upper end of the main arm (30) and forms a luffing jib.
6. A crane according to claim 3, characterized in that the crane has a third combined state in which the first end of the super lift mast (10) is connected with the turret (20) and forms a lightweight main arm.
7. A crane according to claim 3, characterized in that the crane has a fourth combined condition in which the lower end of the main arm (30) is connected to the turret (20), the first end of the superlift mast (10) also being connected to the turret (20), the main arm (30) forming a superlift main arm.
8. A crane according to claim 3, characterized in that the upper end of the main arm (30) is provided with an arm head (31), the first interface structure (111) being adapted to be connected with the arm head (31).
9. -universal boom combination method, characterized in that it is applied to a crane according to any of claims 3-8, said crane having a re-combination state in which the superlift mast (10) is connected with the main arm (30) as a luffing auxiliary arm, or in that the superlift mast (10) replaces the main arm (30) as a light main arm.
CN202110736202.2A 2021-06-30 2021-06-30 Universal combination method for super-lifting mast, crane and arm support Active CN113371623B (en)

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CN113371623B true CN113371623B (en) 2023-08-15

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145075A (en) * 1990-10-15 1992-09-08 Bucyrus-Erie Boom point construction
CN102092646A (en) * 2011-03-08 2011-06-15 上海三一科技有限公司 Multifunctional arm head of crane
CN202148155U (en) * 2011-06-29 2012-02-22 上海三一科技有限公司 Novel variable-amplitude mast and crane with same
CN102718156A (en) * 2012-06-29 2012-10-10 三一重工股份有限公司 Crane arm support system and crane
CN202542747U (en) * 2012-03-30 2012-11-21 徐工集团工程机械股份有限公司 Crawler crane with multiple combination modes
CN105060142A (en) * 2015-08-06 2015-11-18 徐工集团工程机械股份有限公司 Integrally mounted and transported luffing fly jib of crawler crane
CN105174089A (en) * 2015-10-10 2015-12-23 徐工集团工程机械股份有限公司 Auxiliary arm system and arm rack system
CN212222260U (en) * 2020-07-30 2020-12-25 浙江三一装备有限公司 Connecting joint, auxiliary arm mechanism and crane

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145075A (en) * 1990-10-15 1992-09-08 Bucyrus-Erie Boom point construction
CN102092646A (en) * 2011-03-08 2011-06-15 上海三一科技有限公司 Multifunctional arm head of crane
CN202148155U (en) * 2011-06-29 2012-02-22 上海三一科技有限公司 Novel variable-amplitude mast and crane with same
CN202542747U (en) * 2012-03-30 2012-11-21 徐工集团工程机械股份有限公司 Crawler crane with multiple combination modes
CN102718156A (en) * 2012-06-29 2012-10-10 三一重工股份有限公司 Crane arm support system and crane
CN105060142A (en) * 2015-08-06 2015-11-18 徐工集团工程机械股份有限公司 Integrally mounted and transported luffing fly jib of crawler crane
CN105174089A (en) * 2015-10-10 2015-12-23 徐工集团工程机械股份有限公司 Auxiliary arm system and arm rack system
CN212222260U (en) * 2020-07-30 2020-12-25 浙江三一装备有限公司 Connecting joint, auxiliary arm mechanism and crane

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