CN110697586A - Low-altitude crane - Google Patents

Low-altitude crane Download PDF

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Publication number
CN110697586A
CN110697586A CN201910979607.1A CN201910979607A CN110697586A CN 110697586 A CN110697586 A CN 110697586A CN 201910979607 A CN201910979607 A CN 201910979607A CN 110697586 A CN110697586 A CN 110697586A
Authority
CN
China
Prior art keywords
connecting rod
telescopic
leg assembly
center pillar
low
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
CN201910979607.1A
Other languages
Chinese (zh)
Inventor
刘胜强
李维
王伟
刘涛
王晓科
廖荣华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Jiangwei Intelligent Automobile Ltd By Share Ltd
Original Assignee
Hubei Jiangwei Intelligent Automobile Ltd By Share Ltd
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 Hubei Jiangwei Intelligent Automobile Ltd By Share Ltd filed Critical Hubei Jiangwei Intelligent Automobile Ltd By Share Ltd
Priority to CN201910979607.1A priority Critical patent/CN110697586A/en
Publication of CN110697586A publication Critical patent/CN110697586A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B66C23/06Cranes 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
    • 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
    • B66C23/04Cranes 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 the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
    • 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
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • 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
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes

Abstract

The invention relates to the technical field of cranes, and particularly discloses a low-altitude crane which comprises a base assembly, wherein a tail leg assembly is connected and arranged on the left side of the base assembly, a telescopic leg assembly is arranged at the end point of the right side of the tail leg assembly, a rotary support is fixed on the telescopic leg assembly, a center pillar is connected and arranged on the rotary support, the top end of the center pillar is connected with an operating platform, the center pillar is connected with a first connecting rod and a second connecting rod together, the first connecting rod is positioned below the operating platform, the second connecting rod is connected to the center pillar, and the second connecting rod is positioned above the first connecting rod; the novel hydraulic power station adopts an independent hydraulic station, and adopts a motor as power, so that the chassis cost is reduced; the working in low and short spaces such as most warehouses, basements and the like can be freely carried out; fork truck fork carrying holes are reserved on four sides of a platform at the bottom of the crane, and the amplitude-variable oil cylinder adopts a connecting rod structure to increase the moment.

Description

Low-altitude crane
Technical Field
The invention relates to the technical field of cranes, in particular to a low-altitude crane.
Background
The crane is commonly known as a crane and widely applied to a series of heavy-duty products such as ships, equipment, machinery, molds and the like, and the power device comprises a motor, a speed reducer, a clutch, a brake, a rope drum, a steel wire rope and the like. The motor is a magnetizing single-phase capacitor motor and is provided with a mechanism which can brake when power is off; the motor is also provided with a thermal switch which can prevent the motor from being burnt out due to overheating; the speed reducer is a two-stage gear speed reducer and is fixedly connected with the motor; the clutch, the brake and the rope drum are integrated, but when the clutch is in a disengaged state, the clutch can quickly descend, and the descending speed can be controlled by operating the brake to avoid impact. The circular hole opened on the front surface of the power device shell can be used for installing a blower, and a user can be equipped with the blower to carry out forced cooling according to the requirement.
The existing low-altitude crane mainly comprises a crawler crane, wherein the crawler crane is limited by self characteristics, a suspension arm is short, the hoisting of the existing low-altitude crane is light, and the existing low-altitude crane is too numerous and heavy for transportation.
Disclosure of Invention
The invention aims to provide a low-altitude crane, which aims to solve the problems that the existing low-altitude crane crawler crane provided by the background technology is limited by self characteristics, the crane arm is short and the crane weight is light.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a low latitude loop wheel machine, includes the base assembly, the left side of base assembly is connected and is provided with tail leg assembly, the right side extreme department of tail leg assembly is provided with flexible leg assembly, be fixed with slewing bearing on the flexible leg assembly, the last connection of slewing bearing is provided with the center pillar, the top of center pillar is connected with the operation panel, the center pillar links together with first connecting rod and second connecting rod, just first connecting rod is located the below of operation panel, just the second connecting rod is located first connecting rod top.
As a further scheme of the invention: the base assembly is connected with the tail leg assembly through a pin shaft.
As a further scheme of the invention: the telescopic leg assembly is characterized in that a square fixing box is welded at the installation position of the telescopic leg assembly, the telescopic leg assembly is reduced according to a certain size and embedded into the fixing box, and two ends of a horizontal oil cylinder in the telescopic leg assembly are fixed on the base fixing box and the installation seat of the telescopic leg assembly through positioning pins respectively.
As a further scheme of the invention: the first connecting rod is connected with the center pillar through a first pin shaft, the top end of the center pillar is connected with a basic arm through a second pin shaft, the other end of the first connecting rod is connected with a variable amplitude oil cylinder through a fourth pin shaft, the right end of the variable amplitude oil cylinder is connected with the basic arm through a fifth pin shaft, the second connecting rod is connected with the basic arm through a third pin shaft, and the other end of the second connecting rod is connected with the variable amplitude oil cylinder through a fourth pin shaft.
As a further scheme of the invention: the accessories on the base assembly are fixed on the base assembly through bolts, and the base assembly and the inner ring hole of the slewing bearing are fixed through bolts.
As a further scheme of the invention: the middle post is connected with the slewing bearing outer ring through a bolt.
As a further scheme of the invention: the basic arm is provided with a first telescopic oil cylinder, the first telescopic arm is provided with a second telescopic oil cylinder, the second telescopic arm is provided with a third telescopic oil cylinder, the third telescopic arm is provided with a fourth telescopic oil cylinder, the third telescopic arm is fixed through a positioning pin, and the lifting lug is fixed through a screw by a pressing plate.
As a further scheme of the invention: the right side bottom of basic arm is provided with first flexible arm, second flexible arm, third flexible arm and fourth flexible arm side by side respectively.
As a further scheme of the invention: an oil tank is arranged behind the center pillar and is fixed on the base assembly.
Compared with the prior art, the invention has the beneficial effects that:
the novel hydraulic power station adopts an independent hydraulic station, and adopts a motor as power, so that the chassis cost is reduced; the whole vehicle is 2.5 meters in height, 2.2 meters in width and 4.2 meters in length, and can freely go in and out of most of low-rise space operation such as warehouses, basements and the like; fork carrying holes of a forklift are reserved on four sides of a platform at the bottom of the crane and can be transported by the forklift; the amplitude variation oil cylinder adopts a connecting rod structure to increase the moment, and the test shows that the lifting moment reaches 460KN.m and the full-out arm length can reach 12 meters; the crane is a counterweight, the crane is light and does not need a counterweight, and the crane can be additionally provided with a proper counterweight at the rear part of the platform.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic rear view of the present invention;
FIG. 3 is a top schematic view of the present invention.
In the figure: 1-tail leg assembly, 2-telescopic leg assembly, 3-base assembly, 4-slewing bearing, 5-center column, 6-operation table, 7-first pin shaft, 8-second pin shaft, 9-third pin shaft, 10-first connecting rod, 11-second connecting rod, 12-fourth pin shaft, 13-derricking oil cylinder, 14-fifth pin shaft, 15-basic arm, 16-first telescopic arm, 17-second telescopic arm, 18-third telescopic arm, 19-fourth telescopic arm, 20-first telescopic oil cylinder, 21-second telescopic oil cylinder, 22-third telescopic oil cylinder, 23-fourth telescopic oil cylinder and 24-oil tank.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1-3, in an embodiment of the present invention, a low-altitude crane includes a base assembly 3, a tail leg assembly 1 is connected to a left side of the base assembly 3, a telescopic leg assembly 2 is disposed at a right end of the tail leg assembly 1, a rotary support 4 is fixed on the telescopic leg assembly 2, a center pillar 5 is connected to the rotary support 4, an operation table 6 is connected to a top end of the center pillar 5, the center pillar 5 is connected to a first link 10 and a second link 11, the first link 10 is located below the operation table 6, and the second link 11 is located above the first link 10.
Further, in the embodiment of the present invention, the base assembly 3 is connected to the tail leg assembly 1 through a pin shaft, so as to realize 90-degree manual rotation of the tail leg.
Furthermore, in the embodiment of the present invention, a square fixing box is welded at the installation position of the telescopic leg assembly 2, the telescopic leg assembly 2 is reduced according to a certain size and embedded into the fixing box, two ends of a horizontal oil cylinder in the telescopic leg assembly 2 are respectively fixed on the base fixing box and the installation seat of the telescopic leg assembly 2 through positioning pins, and the telescopic leg is driven to stretch by stretching of the horizontal oil cylinder.
Further, in the embodiment of the present invention, the first connecting rod 10 is connected to the center pillar 5 through a first pin 7, and is connected to the base arm 15 at the top end of the center pillar 5 through a second pin 8, the other end of the first connecting rod 10 is connected to the luffing cylinder 13 through a fourth pin 12, the right end of the luffing cylinder 13 is connected to the base arm 15 through a fifth pin 14, and the second connecting rod 11 is connected to the base arm 15 through a third pin 9, and the other end thereof is connected to the luffing cylinder 13 through a fourth pin 12, so that adjustability between the components is high.
Further, in the embodiment of the present invention, the accessories on the base assembly 3 are fixed on the base assembly 3 by bolts, and the inner ring holes of the base assembly 3 and the slewing bearing 4 are fixed by bolts, so that the connection is more tight.
Further, in the embodiment of the invention, the center pillar 5 and the outer ring of the slewing bearing 4 are connected through bolts, so that the installation and the disassembly are convenient.
Furthermore, in the embodiment of the present invention, the basic arm 15 is provided with a first telescopic cylinder 20, the first telescopic arm is provided with a second telescopic cylinder 21, the second telescopic arm is provided with a third telescopic cylinder 22, and the third telescopic arm is provided with a fourth telescopic cylinder 23, and the basic arm is fixed by a positioning pin, and the lifting lug is fixed by a pressing plate through a screw, so that the positioning of the component is more accurate.
Further, in the embodiment of the present invention, a first telescopic arm 16, a second telescopic arm 17, a third telescopic arm 18 and a fourth telescopic arm 19 are respectively arranged in parallel at the bottom of the right side of the base arm 15, so as to facilitate fixing and working the lifting device at the same time.
Further, in the embodiment of the present invention, an oil tank 24 is disposed behind the center pillar 5 and fixed above the base assembly 3 to facilitate oil supply to the oil cylinder.
The working principle is as follows: when the crane reaches a designated position, the power supply of the distribution box is switched on, the motor is started to drive the oil pump to work, and the system obtains pressure oil. When the oil tank does not work, the oil returns to the oil tank from the middle position of the three-way valve; the three-way valve is switched to the upper vehicle, the amplitude variation oil cylinder, the telescopic oil cylinder and the rotating motor are respectively controlled through the triple multi-way valve, the amplitude variation angle of the crane is realized, the crane arm stretches and rotates with the part above the center post, and the hoisting operation is realized through the combination of all actions; the three-way valve is switched to get off the vehicle, the tail leg vertical oil cylinder is controlled to stretch out and draw back through the supporting leg multi-way valve respectively, and the front supporting leg and the rear supporting leg realize horizontal stretching and vertical stretching. When in hoisting, the telescopic supporting legs of the lower part are opened firstly, and the vertical oil cylinder extends out to keep larger span, so that the upper part is stable and reliable.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
The standard parts used by the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part can adopt the conventional means of mature bolts, rivets, welding and the like in the prior art, and the detailed description is not repeated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a low latitude loop wheel machine, includes base assembly (3), its characterized in that, the left side of base assembly (3) is connected and is provided with tail leg assembly (1), the right side endpoint department of tail leg assembly (1) is provided with flexible leg assembly (2), be fixed with slewing bearing (4) on flexible leg assembly (2), the connection is provided with center pillar (5) on slewing bearing (4), the top of center pillar (5) is connected with operation panel (6), center pillar (5) link together with first connecting rod (10) and second connecting rod (11), just first connecting rod (10) are located the below of operation panel (6), just second connecting rod (11) are located first connecting rod (10) top.
2. A low-altitude crane according to claim 1, wherein the base assembly (3) is connected with the tail leg assembly (1) through a pin shaft.
3. The low-altitude crane according to claim 1, wherein a square fixing box is welded at the installation position of the telescopic leg assembly (2), the telescopic leg assembly (2) is embedded into the fixing box in a reduced size, and two ends of a horizontal oil cylinder in the telescopic leg assembly (2) are respectively fixed on the base fixing box and a mounting seat of the telescopic leg assembly (2) through positioning pins.
4. A low-altitude crane according to claim 1, wherein the first connecting rod (10) is connected with the center pillar (5) through a first pin (7), and is connected with the basic arm (15) at the top end of the center pillar (5) through a second pin (8), the other end of the first connecting rod (10) is connected with the luffing cylinder (13) through a fourth pin (12), the right end of the luffing cylinder (13) is connected with the basic arm (15) through a fifth pin (14), and the second connecting rod (11) is connected with the basic arm (15) through a third pin (9), and the other end thereof is connected with the luffing cylinder (13) through the fourth pin (12).
5. A low-altitude crane according to claim 1, wherein the accessories on the base assembly (3) are fixed on the base assembly (3) through bolts, and the base assembly (3) and the inner ring hole of the slewing bearing (4) are fixed through bolts.
6. A low-altitude crane according to claim 1, wherein the center pillar (5) and the outer ring of the slewing bearing (4) are connected by bolts.
7. The low-altitude crane according to claim 4, wherein the basic arm (15) is provided with a first telescopic oil cylinder (20), the first telescopic arm is provided with a second telescopic oil cylinder (21), the second telescopic arm is provided with a third telescopic oil cylinder (22), the third telescopic arm is provided with a fourth telescopic oil cylinder (23), the basic arm is fixed by a positioning pin, and the lifting lug is fixed by a pressing plate through a screw.
8. A low-altitude crane according to claim 4 or 7, characterized in that the right-hand bottom part of the basic arm (15) is provided with a first telescopic arm (16), a second telescopic arm (17), a third telescopic arm (18) and a fourth telescopic arm (19) in parallel.
9. A low altitude crane according to claim 1, characterized in that an oil tank (24) is arranged behind the center pillar (5) and fixed on the base assembly (3).
CN201910979607.1A 2019-10-15 2019-10-15 Low-altitude crane Pending CN110697586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910979607.1A CN110697586A (en) 2019-10-15 2019-10-15 Low-altitude crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910979607.1A CN110697586A (en) 2019-10-15 2019-10-15 Low-altitude crane

Publications (1)

Publication Number Publication Date
CN110697586A true CN110697586A (en) 2020-01-17

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CN201910979607.1A Pending CN110697586A (en) 2019-10-15 2019-10-15 Low-altitude 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
CN115321443A (en) * 2022-08-19 2022-11-11 青岛九合机械科技有限公司 Overhead car round pin axle bears frame

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Publication number Priority date Publication date Assignee Title
KR200324684Y1 (en) * 2003-06-09 2003-08-27 동양기전 주식회사 A boom assembly of knuckle crane
CN102050392A (en) * 2011-01-31 2011-05-11 徐州徐工随车起重机有限公司 Large-tonnage lorry-mounted crane
CN202465130U (en) * 2011-12-29 2012-10-03 徐州徐工随车起重机有限公司 Suspension arm of large-tonnage straight-arm double-winch lorry-mounted crane
CN103832934A (en) * 2012-11-26 2014-06-04 徐州徐工随车起重机有限公司 Foldable car crane
CN105502181A (en) * 2015-12-18 2016-04-20 中联重科股份有限公司 Boom structure, engineering machinery and measuring display meter
CN105621265A (en) * 2016-03-29 2016-06-01 邹志勇 Lifting machine
CN107777627A (en) * 2017-11-27 2018-03-09 湖北江威智能汽车股份有限公司 A kind of integrated forklift truck lifting equipment
CN208791064U (en) * 2018-05-14 2019-04-26 湖北江威智能汽车股份有限公司 The collapsible arm of fork truck is hung
CN210655897U (en) * 2019-10-15 2020-06-02 湖北江威智能汽车股份有限公司 Low-altitude crane

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200324684Y1 (en) * 2003-06-09 2003-08-27 동양기전 주식회사 A boom assembly of knuckle crane
CN102050392A (en) * 2011-01-31 2011-05-11 徐州徐工随车起重机有限公司 Large-tonnage lorry-mounted crane
CN202465130U (en) * 2011-12-29 2012-10-03 徐州徐工随车起重机有限公司 Suspension arm of large-tonnage straight-arm double-winch lorry-mounted crane
CN103832934A (en) * 2012-11-26 2014-06-04 徐州徐工随车起重机有限公司 Foldable car crane
CN105502181A (en) * 2015-12-18 2016-04-20 中联重科股份有限公司 Boom structure, engineering machinery and measuring display meter
CN105621265A (en) * 2016-03-29 2016-06-01 邹志勇 Lifting machine
CN107777627A (en) * 2017-11-27 2018-03-09 湖北江威智能汽车股份有限公司 A kind of integrated forklift truck lifting equipment
CN208791064U (en) * 2018-05-14 2019-04-26 湖北江威智能汽车股份有限公司 The collapsible arm of fork truck is hung
CN210655897U (en) * 2019-10-15 2020-06-02 湖北江威智能汽车股份有限公司 Low-altitude crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115321443A (en) * 2022-08-19 2022-11-11 青岛九合机械科技有限公司 Overhead car round pin axle bears frame

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Address after: 441300 Yuchai Avenue, Zengdu Economic Development Zone, Suizhou City, Hubei Province

Applicant after: HUBEI JIANGWEI INTELLIGENT AUTOMOBILE Co.,Ltd.

Address before: 441300 Hubei Province, Suizhou city traffic road No. 789 (Hengtian Auto Industrial Park)

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