CN216129253U - Cargo boom of lorry-mounted crane - Google Patents

Cargo boom of lorry-mounted crane Download PDF

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Publication number
CN216129253U
CN216129253U CN202122878193.9U CN202122878193U CN216129253U CN 216129253 U CN216129253 U CN 216129253U CN 202122878193 U CN202122878193 U CN 202122878193U CN 216129253 U CN216129253 U CN 216129253U
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CN
China
Prior art keywords
pulley
control base
mechanical arm
lorry
steel cable
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Active
Application number
CN202122878193.9U
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Chinese (zh)
Inventor
李春秋
张伟
张祥云
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JINING SITONG ENGINEERING MACHINERY CO LTD
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JINING SITONG ENGINEERING MACHINERY CO LTD
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Priority to CN202122878193.9U priority Critical patent/CN216129253U/en
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Publication of CN216129253U publication Critical patent/CN216129253U/en
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Abstract

The utility model discloses a cargo boom of a lorry-mounted crane, which comprises a device main body, wherein the device main body comprises a vehicle body, a control base, a hydraulic cylinder, a mechanical arm and a steel cable, the bottom of the control base is fixedly connected with the top of the vehicle body, one side of the control base is movably connected with the mechanical arm, the mechanical arm comprises a telescopic suspension arm and a pulley seat, the mechanical arm is connected with five groups of telescopic suspension arms through a steel cable, one group of the five groups of the telescopic suspension arms is connected with the pulley seat through bolts, cargo lifting at different distances can be completed through the telescopic suspension arms, the lifting range of the cargo boom is greatly improved, meanwhile, four groups of pulleys are arranged on the surfaces of the five groups of the telescopic suspension arms through the arrangement of the first pulleys and the second pulleys, and four steel cables can be simultaneously connected during lifting so as to improve the pulling force of the arms, and greatly improve the safety during lifting.

Description

Cargo boom of lorry-mounted crane
Technical Field
The utility model relates to the technical field of cargo booms, in particular to a cargo boom of a lorry-mounted crane.
Background
The lorry-mounted crane is a multi-action hoisting machine which is arranged on an automobile chassis and is used for vertically lifting and horizontally transporting heavy objects within a certain range, and the existing lorry-mounted crane on the market remembers that a crane boom has the following defects: (1) because the size of the crane boom is fixed, the crane can only hoist the goods within a fixed distance range during hoisting operation, has non-expansibility, can not hoist the goods beyond the crane boom or less than the length of the crane boom, greatly limits the hoisting operation range of the lorry-mounted crane, and has certain limitation; (2) the steel cable that current jib loading boom is connected hangs the transport ability poor, has the cracked risk that appears easily when transferring heavier goods, brings very big danger for peripheral staff.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a cargo boom of a lorry-mounted crane, which solves the problem that the hoisting operation range of the existing crane is small; and the problem of poor steel cable hoisting capacity of the existing crane boom is solved.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a cargo boom of lorry-mounted crane, includes the device main part, the device main part includes automobile body, control base, pneumatic cylinder, arm and steel cable, the top of control base's bottom fixed connection automobile body, one side swing joint of control base has the arm, the arm includes flexible davit and pulley holder, the arm passes through wire rope and connects five groups of flexible davits, and five groups one of them group of flexible davit has the pulley holder through bolted connection.
Preferably, the pulley seat comprises a first pulley and a second pulley, one side of the pulley seat is movably connected with the first pulley, the other side of the pulley seat is movably connected with the second pulley, and the first pulley is connected with the second pulley through a steel cable.
Preferably, the control base comprises a winch and a balancing weight, one side of the control base is movably connected with the winch, a steel cable is wound on the first outer wall of the winch, and one side of the outer wall of the control base is connected with one side of the balancing weight through a bolt.
Preferably, the other side of the control base is connected with one side of the end part of the hydraulic cylinder through a bolt, the other side of the end part of the hydraulic cylinder is connected with one side of the connecting seat through a bolt, and one side of the connecting seat is connected with one side of the outer wall of the mechanical arm in a welding mode.
Preferably, one side of the steel cable penetrates through the pulley seat and is fixedly connected with the lifting hook.
(III) advantageous effects
The utility model has the following beneficial effects:
(1) through the extension and retraction of the telescopic suspension arm, the hoisting of goods at different distances can be completed, the hoisting range of a crane boom is greatly improved, and meanwhile, the stability of the mechanical arm in lifting can be effectively improved due to the arrangement of the two groups of hydraulic rods;
(2) through the setting of first pulley and second pulley, its surface all is equipped with four groups of pulleys, can connect four steel cables simultaneously during hoist and mount to improve the pulling force of arm among them, with the cooperation of capstan winch during the use, but homodisperse pulling force has improved the security when hoist and mount greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of a second sheave of the present invention;
FIG. 3 is a schematic structural diagram of a control base according to the present invention;
fig. 4 is a schematic structural diagram of the telescopic boom of the present invention.
In the figure, 1-a device body, 2-a vehicle body, 3-a control base, 301-a winch, 302-a balancing weight, 4-a hydraulic cylinder, 5-a mechanical big arm, 501-a telescopic suspension arm, 502-a pulley seat, 503-a first pulley, 504-a second pulley, 6-a connecting seat, 7-a steel cable and 8-a lifting hook.
Detailed Description
Referring to fig. 1-4, the device comprises a device body 1, wherein the device body 1 comprises a vehicle body 2, a control base 3, a hydraulic cylinder 4, a mechanical arm 5 and a steel cable 7, the bottom of the control base 3 is fixedly connected to the top of the vehicle body 2, one side of the control base 3 is movably connected with the mechanical arm 5, the mechanical arm 5 comprises a telescopic suspension arm 501 and a pulley seat 502, the mechanical arm 5 is connected with five groups of telescopic suspension arms 501 through the steel cable, one group of the five groups of telescopic suspension arms 501 is connected with the pulley seat 502 through bolts, the pulley seat 502 comprises a first pulley 503 and a second pulley 504, one side of the pulley seat 502 is movably connected with the first pulley 503, the other side of the pulley seat 502 is movably connected with the second pulley 504, and the first pulley 503 is connected with the second pulley 504 through the steel cable 7.
In this embodiment, the mechanical arm 5 is provided with five groups of telescopic booms 501, and the five groups of telescopic booms 501 are driven by the steel wire rope to extend the hoisting distance, and a group of connected pulley bases 502 in the five groups of telescopic booms 501, and the connected first pulley 503 and second pulley 504 are connected with the steel cable 7, so that the pulling force of the steel cable 7 can be uniformly distributed, and simultaneously, the mechanical arm is more stable when hoisting objects.
Control base 3 includes capstan winch 301 and balancing weight 302, one side swing joint of control base 3 has capstan winch 301, the first winding of outer wall of capstan winch 301 has steel cable 7, just one side of bolted connection balancing weight 302 is passed through to control base 3's outer wall one side, 4 tip one sides of bolted connection pneumatic cylinder are passed through to control base 3's opposite side, just one side of bolted connection connecting seat 6 is passed through to the tip opposite side of pneumatic cylinder 4, one side of connecting seat 7 is connected through the welded mode outer wall one side of arm 5, one side of steel cable 7 runs through to the inside of pulley housing 502, and with 8 fixed connection of lifting hook.
In this embodiment, two sets of the winches 301 are provided, and the two sets rotate in the same direction, when the wire rope 7 is wound or unwound, one set is responsible for winding or unwinding the wire rope 7, and the other set assists in winding or unwinding the wire rope 7, so as to uniformly disperse the pulling force, thereby improving the stability of the winches 301 when winding or unwinding the wire rope 7 and prolonging the service life of the winches 301.
It should be noted that, when the boom of the lorry-mounted crane is used, the equipment is moved to a proper position through the vehicle body 2, the wire rope 7 passes through the first pulley 503 and the second pulley 504 to be connected with the hook 8, the mechanical arm 5 is driven by the hydraulic cylinder 4 to be lifted upwards to a certain height, the five groups of telescopic booms 501 are driven by the wire rope to be telescopic, at this time, the winch 301 starts to rotate, the wire rope 7 extends out to keep the same length as the telescopic booms 501, when the hoisting distance is timely, the extension of the telescopic booms 501 stops, then the winch 301 continues to release the wire rope 7, under the action of gravity, the first pulley 503 and the second pulley 504 start to rotate, so as to drive the hook 8 to descend, when the hoisting position is needed, the winch 301 stops rotating, then the goods are hoisted, the first pulley 503 and the second pulley 504 are driven to rotate reversely by the contraction of the winch 301, so as to lift the goods, four groups of pulleys are arranged on the surfaces of the first pulley 503 and the second pulley 504, and four steel cables 7 can be connected simultaneously during hoisting so as to improve the tension of arms therein.

Claims (5)

1. A boom of an lorry-mounted crane, comprising a device body (1), characterized in that: the device main part (1) comprises a vehicle body (2), a control base (3), a hydraulic cylinder (4), a mechanical arm (5) and a steel cable (7), the top of the bottom of the control base (3) is fixedly connected with the vehicle body (2), one side of the control base (3) is movably connected with the mechanical arm (5), the mechanical arm (5) comprises a telescopic suspension arm (501) and a pulley seat (502), the mechanical arm (5) is connected with five groups of telescopic suspension arms (501) through the steel cable, and the five groups of telescopic suspension arms (501) are connected with the pulley seat (502) through bolts.
2. A boom of a lorry-mounted crane according to claim 1, characterized in that: the pulley seat (502) comprises a first pulley (503) and a second pulley (504), one side of the pulley seat (502) is movably connected with the first pulley (503), the other side of the pulley seat (502) is movably connected with the second pulley (504), and the first pulley (503) is connected with the second pulley (504) through a steel cable (7).
3. A boom of a lorry-mounted crane according to claim 1, characterized in that: control base (3) include capstan winch (301) and balancing weight (302), one side swing joint of control base (3) has capstan winch (301), the outer wall winding of capstan winch (301) has steel cable (7), just one side of bolted connection balancing weight (302) is passed through to outer wall one side of control base (3).
4. A boom of a lorry-mounted crane according to claim 1, characterized in that: the other side of the control base (3) is connected with one side of the end part of the hydraulic cylinder (4) through a bolt, the other side of the end part of the hydraulic cylinder (4) is connected with one side of the connecting seat (6) through a bolt, and one side of the connecting seat (6) is connected with one side of the outer wall of the mechanical arm (5) in a welding mode.
5. A boom of a lorry-mounted crane according to claim 1, characterized in that: one side of the steel cable (7) penetrates into the pulley seat (502) and is fixedly connected with the lifting hook (8).
CN202122878193.9U 2021-11-23 2021-11-23 Cargo boom of lorry-mounted crane Active CN216129253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122878193.9U CN216129253U (en) 2021-11-23 2021-11-23 Cargo boom of lorry-mounted crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122878193.9U CN216129253U (en) 2021-11-23 2021-11-23 Cargo boom of lorry-mounted crane

Publications (1)

Publication Number Publication Date
CN216129253U true CN216129253U (en) 2022-03-25

Family

ID=80779116

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122878193.9U Active CN216129253U (en) 2021-11-23 2021-11-23 Cargo boom of lorry-mounted crane

Country Status (1)

Country Link
CN (1) CN216129253U (en)

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