CN203306937U - Crawler type electric hoisting device with compact space - Google Patents

Abstract

The utility model discloses a crawler-type electric hoisting device in a compact space. A platform (2) is arranged on the top of the crawler chassis (1). The upper part is connected with a hydraulic motor, and the platform (2) is equipped with a lifting main frame and a driving system. One end is located on the upper part of the hand-operated turntable (3), the other end of the lower boom (4) is rotationally connected to the upper boom (5), the electric pressure pump (7) is connected to the hydraulic support rod (6), and the diesel engine and The oil pump of the hydraulic pump station (8) is connected by transmission. The output end of the oil pump is connected to the hydraulic motor through the hydraulic oil pipe (9). Stay rope (12) is connected with lifting hook (13) behind the block of pulleys successively.

Description

A compact space crawler electric lifting device

technical field

The utility model relates to a compact space crawler type electric hoisting device. the

Background technique

Most of the current cranes are composed of a truck cab, a crane cab, a large hoisting main arm system, a large winch lifting system, a complex hydraulic system, and a large-area outrigger system. The chassis is composed of tires or crawlers. The principle of action is to start the hydraulic pump, and the generated power is controlled by the operating lever to move the boom, outriggers, etc., and then drive the hoist through the hydraulic system to drive the wire rope on the pulley block to lift or move heavy objects. The defects of this kind of crane are: It requires a large space when parking and using, and often in a small space (such as around live equipment in a substation) it is often necessary to move medium and large mechanical equipment, and it is inconvenient to use a crane because it cannot be used for operations. the

Contents of the invention

The utility model provides a crawler-type electric hoisting device in a compact space, which can not only improve the construction efficiency, but also improve the safety factor of people and equipment and the power supply reliability of the system. the

The utility model adopts the following technical solutions: a compact space crawler-type electric hoisting device, which includes a hoisting main frame, a hoisting system, a drive system and a crawler walking system, and the crawler walking system includes a crawler chassis. There is a platform, and the crawler chassis is equipped with tensioning wheels, traveling wheels and driving wheels. The crawler chassis is supported and positioned through the tensioning wheels, traveling wheels and driving wheels. A hydraulic motor is connected to the driving wheels. Frame and drive system, the lifting main frame includes a hand-operated turntable, a lower arm and an upper arm, the bottom of the hand-operated turntable is located on the platform and connected to the platform in rotation, and one end of the lower arm is located on the upper part of the hand-operated turntable , the other end of the lower boom is rotationally connected to the upper boom, the drive system includes a drive travel system and an electric pressure pump, a hydraulic support rod is arranged between the upper boom and the lower boom, the electric pressure pump and the hydraulic support rod For transmission connection, start the electric pressure pump to drive the upper boom to rise through the hydraulic support rod. The driving walking system includes a diesel engine and a hydraulic pump station. The diesel engine and the oil pump of the hydraulic pump station are connected by transmission. The output end of the oil pump is connected to The hydraulic motor is connected, and a control valve is provided on the hydraulic oil pipe. The lifting system includes an electric hoist and a pulley block. The pull rope of the electric winch of the electric hoist passes through the pulley block in turn and is connected with a lifting hook. The electric hoist drives the lifting hook to rise or fall. the

The other end of the lower boom is rotationally connected with the upper boom through a hinge. The pulley block includes pulley Ⅰ, pulley Ⅱ and pulley Ⅲ, pulley Ⅰ is set on the lower boom, pulley Ⅱ is located at the bottom of the upper boom, pulley Ⅲ is located at the top of the upper boom, and the pull rope of the electric winch passes through pulley Ⅰ and pulley Ⅱ in sequence. And the pulley III is connected with the lifting hook. One side of the platform at the top of the crawler chassis is provided with a supporting foot, the supporting foot includes a cross bar and a longitudinal bar, one end of the cross bar is connected with the platform, the other end of the cross bar is connected with the top of the longitudinal bar, and the bottom of the longitudinal bar is provided with Turn your feet. The lower boom and the upper boom are aluminum alloy tubes. the

The utility model has the following beneficial effects: after adopting the above technical scheme, the hydraulic lifting system of the utility model has strong power, simple oil circuit, flexible movement of the driving walking system, safety and reliability, and the whole device is compact in appearance and large in lifting force, even in the It can also work safely in narrow spaces or on uneven ground. When the device is put into use, only 2-3 people can successfully lift medium-sized electrical equipment on a 3-meter-high bracket within 2 tons! Such as 110KV voltage transformer weighing about 600KG, 110KV current transformer weighing about 800KG, and small distribution transformer weighing about 800KG. It is suitable for the reconstruction, expansion, new construction and emergency repair of power construction projects. It can save 1/3 of the hoisting cost of the annual power construction project, increase the construction efficiency by 2-3 times, and further improve the safety factor of people and equipment and the reliability of power supply of the system. the

Description of drawings

Fig. 1 is the structural representation of the utility model. the

Detailed ways

In Fig. 1, the utility model provides a compact space crawler-type electric hoisting device, which includes a hoisting main frame, a hoisting system, a drive system and a crawler walking system, and the crawler walking system includes a crawler chassis 1, and the crawler chassis The top of 1 is provided with a platform 2, and the inside of the crawler chassis 1 is provided with tensioning wheels, traveling wheels and driving wheels. The crawler chassis 1 is supported and positioned through the tensioning wheels, traveling wheels and driving wheels, and a hydraulic motor is connected to the driving wheels. Platform 2 is provided with lifting main frame and driving system, and described lifting main frame comprises hand-operated turntable 3, lower boom 4 and upper boom 5, and the bottom of hand-operated turntable 3 is positioned on platform 2 and platform 2 is for rotation Connected, one end of the lower boom 4 is located at the top of the hand-operated turntable 3, the other end of the lower boom 4 is rotationally connected with the upper boom 5, and the other end of the lower boom 4 is rotationally connected with the upper boom 5 through a hinge 20, and the lower boom 4 is rotationally connected with the upper boom 5. The boom 4 and the upper boom 5 are aluminum alloy tubes with a wall thickness of 8mm and 100mm. The drive system includes a driving system and an electric pressure pump 7. A hydraulic support rod is provided between the upper boom 5 and the lower boom 4. 6. The electric pressure pump 7 and the hydraulic support rod 6 are in a transmission connection, and the electric pressure pump 7 is started to drive the upper boom 5 to rise through the hydraulic support rod 6. The driving walking system includes a diesel engine and a hydraulic pump station 8, and the diesel engine and the hydraulic pump The oil pump in station 8 is connected by transmission, and the hydraulic pump station 8 is set as a four-channel hydraulic pump station. The output end of the oil pump is connected to the hydraulic motor through a hydraulic oil pipe 9, and a control valve 10 is arranged on the hydraulic oil pipe 9, which is driven by the control valve 10. The hydraulic pump station 8 sends the hydraulic oil from the hydraulic oil pipe 9 into the hydraulic motor, thereby driving the crawler chassis 1 to realize flexible walking front, rear, left, and right. A hydraulic handle is provided on the control valve, and the crawler chassis is driven to move forward, backward, left, and right by controlling the hydraulic handle. The size of the track is 1 meter * 1.2 meters. The lifting system includes an electric hoist 11 and a pulley block. The electric hoist 11 is set to a 3T electric hoist. The stay rope 12 of the electric winch of the electric hoist 11 passes through the pulley block successively and is connected with a lifting hook 13 , the pulley block includes pulley I14, pulley II15 and pulley III16, pulley I14 is set on the lower boom 4, pulley II15 is located at the bottom of the upper boom 5, pulley III16 is located at the top of the upper boom 5, and the pull rope 12 of the electric winch passes through the pulleys I14, The pulley II15 and the pulley III16 are connected with the lifting hook 13, the diameter of the stay rope 12 is 6mm, the electric winch 11 drives the lifting hook 13 to rise or fall, and the platform 2 side at the top of the crawler chassis 1 is provided with supporting feet, and the supporting feet include Cross bar 17 and longitudinal bar 18, cross bar 17 and longitudinal bar 18 are made of 10# channel steel of 1.2 meters, one end of cross bar 17 is connected with platform 2, and the other end of cross bar 17 is connected with the top of longitudinal bar 18, The bottom of longitudinal bar 18 is provided with turning foot 19, and the diameter of turning foot 19 is 20 mm, and support foot can open the corner of 120 ° by turning foot. The hydraulic pump station 8 is driven by the control valve 10, and the oil flow is delivered to the hydraulic motor through the hydraulic oil pipe 9, thereby driving the crawler chassis 1 to realize flexible walking front, rear, left, and right to the designated place; open the supporting legs, connect the 380V power supply, and start the electric pressure pump 7, Utilize the hydraulic support rod 6 to lift the upper boom 5; start the electric hoist 11, slowly roll up the stay rope 12 on the pulley block by the electric winch, drive the weight on the lifting hook 13 to rise or fall, and turn the weight by the hand-operated turntable 11 put the item in the proper position. the

Claims (5)

1. A crawler-type electric lifting device in a compact space, characterized in that it includes a lifting main frame, a lifting system, a drive system and a crawler walking system, and the crawler walking system includes a crawler chassis (1), on which the crawler chassis (1) There is a platform (2) on the top of the track chassis (1), and the inside of the crawler chassis (1) is equipped with tensioning wheels, traveling wheels and driving wheels. The crawler chassis (1) is supported and positioned through the tensioning wheels, traveling wheels and driving wheels. On the driving wheels A hydraulic motor is connected, and the platform (2) is equipped with a lifting main frame and a drive system. The lifting main frame includes a hand-operated turntable (3), a lower boom (4) and an upper boom (5). The bottom of the turntable (3) is located on the platform (2) and connected to the platform (2) in rotation, one end of the lower boom (4) is positioned on the upper part of the hand-operated turntable (3), and the other end of the lower boom (4) is connected to the upper hanging The arm (5) is rotatably connected, and the drive system includes a drive travel system and an electric pump (7). A hydraulic support rod (6) is provided between the upper boom (5) and the lower boom (4). The pressure pump (7) is in transmission connection with the hydraulic support rod (6), and the electric pressure pump (7) is activated to drive the upper boom (5) to rise through the hydraulic support rod (6). The driving walking system includes a diesel engine and a hydraulic pump station (8), the diesel engine is connected to the oil pump of the hydraulic pump station (8), the output end of the oil pump is connected to the hydraulic motor through the hydraulic oil pipe (9), and the control valve (10) is set on the hydraulic oil pipe (9). The lifting system described above includes an electric hoist (11) and a pulley block, the pull rope (12) of the electric winch of the electric hoist (11) passes through the pulley block in turn and is connected with a lifting hook (13), and the electric hoist (11) drives the lifting hook (13) up or down. 2. The compact space crawler-type electric lifting device according to claim 1, characterized in that the other end of the lower boom (4) is rotationally connected to the upper boom (5) through a hinge (20). 3. The compact space crawler-type electric lifting device according to claim 1, characterized in that the pulley block includes pulley I (14), pulley II (15) and pulley III (16), and pulley I (14) is set on the bottom On the boom (4), the pulley II (15) is located at the bottom of the upper boom (5), the pulley III (16) is located at the top of the upper boom (5), and the pull rope (12) of the electric winch passes through the pulley I (14) in turn. , pulley II (15) and pulley III (16) are connected with lifting hook (13). 4. The compact space crawler-type electric lifting device according to claim 1, characterized in that the platform (2) side on the top of the crawler chassis (1) is provided with supporting feet, and the supporting feet include cross bars (17) and Longitudinal bar (18), one end of cross bar (17) is connected with platform (2), and the other end of cross bar (17) is connected with the top of longitudinal bar (18), and the bottom of longitudinal bar (18) is provided with turning foot ( 19). 5. The compact space crawler-type electric lifting device according to claim 1, characterized in that the lower boom (4) and the upper boom (5) are made of aluminum alloy tubes.

Images