Dual-purpose lorry-mounted crane for hoisting and aloft working

Abstract

The utility model discloses a lorry-mounted crane and relates to the technical field of aloft work, in particular to a dual-purpose lorry-mounted crane for lifting and aloft work, which comprises a rotary column, a telescopic arm, an expansion arm, a hanging basket device, a leveling cylinder I and a leveling cylinder II, one end of the telescopic arm is hinged with the rotary column, a cylinder rod of the leveling cylinder I is hinged on the rotary column, and the other end of the telescopic arm is hinged on the expansion arm. A cylinder barrel of the first leveling cylinder is hinged to the telescopic arm, the expansion arm is connected to the telescopic arm, the hanging basket device is hinged to the expansion arm, a cylinder rod of the second leveling cylinder is hinged to the expansion arm, and a cylinder barrel of the second leveling cylinder is hinged to the hanging basket device. The lorry-mounted crane disclosed by the utility model can be used for normal hoisting operation and high-altitude operation, is dual-purpose, and widens the application range of the lorry-mounted crane.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of truck crane, high altitude operation, and particularly relates to a truck crane with functions of hoisting and high altitude operation. BACKGROUND

[0002] In the prior art, the truck crane on the market has the following problems: generally only having the hoisting function, when the high altitude operation function is needed, the flange plate welded at the front end of the arm head is used to install the basket device through the bolt. The basket device cannot be completely folded and recovered after being arranged on the folding arm crane, unless the basket device is disassembled. The straight arm crane cannot realize the negative angle amplitude variation, and the position of the basket device is high, which causes inconvenience and safety hazards to the operators. Since the actual use frequency of the high altitude operation basket device is not high, the special arrangement of the high altitude operation vehicle will inevitably cause great waste of resources of the enterprise. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a truck crane with functions of hoisting and high altitude operation, which can realize normal hoisting operation and high altitude operation, and has the functions of one machine with two uses, thereby widening the application range of the truck crane and solving the above problems.

[0004] The utility model discloses a truck crane with functions of hoisting and high altitude operation, which can realize normal hoisting operation and high altitude operation, and has the functions of one machine with two uses, thereby widening the application range of the truck crane and solving the above problems.

[0005] Compared with the prior art, the utility model has the beneficial effects that: the basket device is connected with the extension arm and the telescopic arm only through the peg, the connection form is simple, the disassembly and assembly are quick and convenient, when the basket device is not arranged, the basket device can be recovered on the side of the chassis vehicle, and the installation space is not occupied; when the basket device is needed, the basket device can be directly lowered to the cargo box flat plate behind the chassis. The basket device can be lowered to the ground, the operators can conveniently enter and exit, and the safety requirement is met. The truck crane can realize normal hoisting operation and high altitude operation, has the functions of one machine with two uses, and widens the application range of the truck crane.

[0006] As a further improvement of the utility model, the side surface of the rotating column is welded with the leveling cylinder support two, the cylinder rod of the leveling cylinder one is hinged with the leveling cylinder support two through the pin shaft three, and the rear side of the telescopic arm is welded with the leveling cylinder support one, and the cylinder barrel of the leveling cylinder one is hinged with the leveling cylinder support one through the pin shaft four.

[0007] As a further improvement of the present application, the lower part of the rotating column is hinged to the cylinder barrel of the amplitude cylinder, and the cylinder rod of the amplitude cylinder is also hinged to the telescopic arm.

[0008] As a further improvement of the present application, the basket device comprises a basket body and a basket support, and two upper and lower spaced pin shafts I are arranged at the rear side of the basket support. The basket body is in the shape of a "bucket", only the top and the front side are open, and a guardrail and a rod are arranged on the front side, and the back and bottom of the basket body are bolted to the basket support.

[0009] As a further improvement of the present application, a socket is arranged at the other end of the telescopic arm, the rear end of the expansion arm is inserted into the socket, and the expansion arm and the telescopic arm are locked by a pin, a pin shaft II is arranged at the upper part of the expansion arm, the pin shaft I below the basket support is hinged to the front end of the expansion arm, the pin shaft II of the expansion arm is hinged to the cylinder rod of the leveling cylinder II, and the cylinder barrel of the leveling cylinder II is hinged to the pin shaft I above the basket support.

[0010] As a further improvement of the present application, the leveling cylinder I and the leveling cylinder II are both double-acting hydraulic cylinders. The double-acting hydraulic cylinder comprises a cylinder barrel and a cylinder rod, and two oil ports are arranged on the cylinder barrel, which are connected to the large cavity and the small cavity of the leveling cylinder respectively. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the present application.

[0012] Figure 2 It is a side view of the basket device in the present application.

[0013] Figure 3 It is a top view of the basket device in the present application.

[0014] Figure 4 It is a side view of the expansion arm in the present application.

[0015] Figure 5 It is a top view of the expansion arm in the present application.

[0016] Figure 6 It is a structural schematic view of the leveling cylinder I in the present application.

[0017] Among them, 1 rotating column, 2 telescopic arm, 3 expansion arm, 4 basket device, 5 leveling cylinder I, 6 leveling cylinder II, 7 basket support, 8 basket body, 9 pin shaft I, 10 pin shaft II, 11 pin, 12 leveling cylinder support I, 13 leveling cylinder support II, 14 leveling cylinder I cylinder barrel, 15 leveling cylinder I cylinder rod, 16 pin shaft III, 17 pin shaft IV, 18 amplitude cylinder. DETAILED DESCRIPTION

[0018] As Figures 1-6As shown, it is a truck crane for hoisting and aerial work, comprising a rotating column 1, an extendable arm 2, an extension arm 3, a basket device 4, a leveling cylinder one 5 and a leveling cylinder two 6, one end of the extendable arm 2 is hinged to the rotating column 1, the cylinder rod 15 of the leveling cylinder one is hinged to the rotating column 1, the cylinder barrel 14 of the leveling cylinder one is hinged to the extendable arm 2, the extension arm 3 is connected to the extendable arm 2, the basket device 4 is hinged to the extension arm 3, the cylinder rod of the leveling cylinder two 6 is hinged to the extension arm 3, and the cylinder barrel of the leveling cylinder two 6 is hinged to the basket device 4. The side of the rotating column 1 is welded with a leveling cylinder support two 13, the cylinder rod 15 of the leveling cylinder one is hinged to the leveling cylinder support two 13 through the shaft three 16, the rear side of the extendable arm 2 is welded with a leveling cylinder support one 12, and the cylinder barrel 14 of the leveling cylinder one is hinged to the leveling cylinder support one 12 through the shaft four 17. The lower part of the rotating column 1 is hinged to the cylinder barrel of the luffing cylinder 18, and the cylinder rod of the luffing cylinder 18 is also hinged to the extendable arm 2. The luffing cylinder 18 drives the extendable arm 2 to swing.

[0019] The basket device 4 comprises a basket body 8 and a basket support 7, and the rear side of the basket support 7 is respectively provided with two upper and lower spaced shafts one 9. The basket body 8 is in the shape of a "barrel", only the top and the front are open, and guardrails and rods are arranged on the front, and the back and bottom of the basket body 8 are bolted to the basket support 7.

[0020] The other end of the extendable arm 2 is provided with a socket, the rear end of the extension arm 3 is inserted into the socket, the extension arm 3 and the extendable arm 2 are locked by a plug pin 11, the upper part of the extension arm 3 is provided with a shaft two 10, the shaft one 9 below the basket support 7 is hinged to the front end of the extension arm 3, the shaft two 10 of the extension arm 3 is hinged to the cylinder rod of the leveling cylinder two 6, and the cylinder barrel of the leveling cylinder two 6 is hinged to the shaft one 9 above the basket support 7. When the basket device 4 for aerial work is needed, the extension arm 3 is inserted into the extendable arm 2 and connected with the extendable arm 2 through the plug pin 11.

[0021] The leveling cylinder one 5 and the leveling cylinder two 6 are both double-acting hydraulic cylinders. The double-acting hydraulic cylinder comprises a cylinder barrel and a cylinder rod, and the cylinder barrel is provided with two oil ports connected with the large cavity and the small cavity of the leveling cylinder. When aerial work is needed, the extendable arm 2 is luffed, and the hydraulic oil in the leveling cylinder one 5 and the leveling cylinder two 6 is mutually compensated, so that the self-balancing of the basket is realized through hydraulic leveling, without artificial control, and the structure is simple and reliable.

[0022] The advantages of the basket device 4 are that the extension arm 3 and the extendable arm 2 are connected only by the plug pin 11, the connection form is simple, the disassembly and assembly are quick and convenient, when the basket is not needed, the basket can be recycled on the side of the chassis, and the installation space is not occupied; when the basket is needed, the basket can be directly lowered to the flat plate of the cargo box behind the chassis. The basket can be lowered to the ground, and the operator can conveniently enter and exit, and the safety requirement is met. The truck crane can be used for normal hoisting work and aerial work, and is one machine with two functions, so that the application range of the truck crane is widened.

[0023] The utility model discloses not limited to above-mentioned embodiment, on the basis of the technical scheme disclosed in the utility model, the technical content disclosed in the utility model is not needed to be creative labor to make some replacement and deformation to some technical features among them according to, and these replacement and deformation are all within the protection scope of the utility model.

Claims

1. A truck-mounted crane for both lifting and aerial work, characterized in that: It includes a rotating column, a telescopic arm, an expansion arm, a hanging basket device, a leveling cylinder 1 and a leveling cylinder 2. One end of the telescopic arm is hinged to the rotating column, the cylinder rod of the leveling cylinder 1 is hinged to the rotating column, the cylinder barrel of the leveling cylinder 1 is hinged to the telescopic arm, the expansion arm is connected to the telescopic arm, the hanging basket device is hinged to the expansion arm, the cylinder rod of the leveling cylinder 2 is hinged to the expansion arm, and the cylinder barrel of the leveling cylinder 2 is hinged to the hanging basket device.

2. The dual-purpose truck-mounted crane for lifting and aerial work according to claim 1, characterized in that: A leveling cylinder support 2 is welded on the side of the rotating column, and the cylinder rod of the leveling cylinder is hinged to the leveling cylinder support 2 via a distribution shaft 3. A leveling cylinder support 1 is welded on the rear side of the telescopic arm, and the cylinder barrel of the leveling cylinder is hinged to the leveling cylinder support 1 via a distribution shaft 4.

3. A truck-mounted crane for lifting and aerial work according to claim 1 or 2, characterized in that: The lower part of the rotating column is hinged to the cylinder barrel of the luffing cylinder, and the cylinder rod of the luffing cylinder is also hinged to the telescopic arm.

4. A truck-mounted crane for lifting and aerial work according to claim 1 or 2, characterized in that: The hanging basket device comprises a hanging basket body and a hanging basket bracket, and two pin shafts spaced up and down are respectively provided on the rear side of the hanging basket bracket.

5. The dual-purpose truck-mounted crane for lifting and aerial work according to claim 4, characterized in that: A socket is provided at the other end of the telescopic arm, and the rear end of the expansion arm is inserted into the socket. The pin locks the expansion arm and the telescopic arm. A pin shaft 2 is provided on the upper part of the expansion arm, and the pin shaft 1 below the hanging basket bracket is hinged to the front end of the expansion arm. The pin shaft 2 of the expansion arm is hinged to the cylinder rod of the leveling cylinder 2, and the cylinder barrel of the leveling cylinder 2 is hinged to the pin shaft 1 above the hanging basket bracket.

6. The truck-mounted crane for lifting and aerial work according to claim 3, characterized in that: The first leveling cylinder and the second leveling cylinder are both double-acting hydraulic cylinders.

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