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 kind of tight space track-mounted electric lifting appliance

Technical field

The utility model relates to a kind of tight space track-mounted electric lifting appliance.

Background technology

Current crane is mostly by truck cap, crane operator's compartment, thick lifting principal arm system, large-scale elevator landing system, complicated hydraulic efficiency pressure system and needs large-area leg system, and chassis consists of tire or crawler belt.Operating principle is to start oil pressure pump, the power produced makes the motions such as arm, supporting leg by the control of control lever, by hydraulic efficiency pressure system, drive wire rope lifting or the moving heavy object on winch band running block again, the defect of this crane is: when parking and use, need larger space, and often in little spatial dimension (in such as substation around charging equipment) also usually need have medium-and-large-sized mechanical equipment to move, and adopt crane just can't carry out operation, use very inconvenient.

Summary of the invention

The utility model provides a kind of tight space track-mounted electric lifting appliance, and it not only can improve operating efficiency, and has improved the person and the safety factor of equipment and the power supply reliability of system.

The utility model has adopted following technical scheme: a kind of tight space track-mounted electric lifting appliance, it comprises the lifting body frame, tackling system, drive system and endless track installation, described endless track installation comprises crawler body, top at crawler body is provided with platform, crawler body inside is provided with tension wheel, road wheel and drive wheel, crawler body passes through tension wheel, road wheel and drive wheel carry out supporting and location, on drive wheel, be connected with HM Hydraulic Motor, platform is provided with lifting body frame and drive system, described lifting body frame comprises the shaking rotating disk, lower arm and upper boom portion, the bottom of shaking rotating disk is positioned on platform with platform for being rotationally connected, one end of lower arm is positioned at shaking rotating disk top, the other end of lower arm and upper boom portion are for being rotationally connected, described drive system comprises driving running gear and electronic press pump, between upper boom portion and lower arm, be provided with the hydraulic supporting strut, electronic press pump and hydraulic supporting strut are for being in transmission connection, start electronic press pump and drive the upper boom portion rise by the hydraulic supporting strut, described driving running gear comprises diesel engine and hydraulic power unit, the oil pump of diesel engine and hydraulic power unit is for being in transmission connection, the mouth of oil pump is connected with HM Hydraulic Motor by hydraulic oil pipe, on hydraulic oil pipe, be provided with control cock, described tackling system comprises electric winch and assembly pulley, the stay cord of the electric capstan of electric winch is connected with hook successively after assembly pulley, electric winch drives hook and rises or descend.

The other end of described lower arm by hinge and upper boom portion for being rotationally connected.Described assembly pulley comprises pulley I, pulley II and pulley III, the pulley I is arranged on lower arm, the pulley II is positioned at the bottom of upper boom portion, and the pulley III is positioned at the top of upper boom portion, and the stay cord of electric capstan is connected with hook with the pulley III through pulley I, pulley II successively.Platform one side at described crawler body top is provided with feet, and feet comprises cross bar and longitudinal rod, and an end of cross bar is connected with platform, and the other end of cross bar is connected with the top of longitudinal rod, and the bottom of longitudinal rod is provided with and turns pin.Described lower arm and upper boom portion are aluminium-alloy pipe.

The utlity model has following beneficial effect: after having adopted above technical scheme, hydraulic hoisting system dynamic of the present utility model is powerful, oil circuit is succinct, drive running gear flexible movements, safe and reliable, whole device external form is small and exquisite, lifting power is large, though also can safety on narrow space or broken terrain carry out operation.The place in operation of this device only needs 2-3 people just can successfully lift by crane 2 tons with the medium-sized electrical equipment on interior 3 meters high trestles! As the 110KV voltage transformer of the 600KG left and right that weighs, the 110KV current transformer of 800KG left and right and the small distribution voltage transformer of 800KG left and right etc.Applicable electricity is built the changing of engineering, enlarging, newly-built and repairing operation.The handling expense that makes annual electricity build engineering can save 1/3, and operating efficiency can promote 2-3 doubly, and the person and the safety factor of equipment and the power supply reliability of system are further enhanced.

The accompanying drawing explanation

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

The specific embodiment

In Fig. 1, the utility model provides a kind of tight space track-mounted electric lifting appliance, it comprises the lifting body frame, tackling system, drive system and endless track installation, described endless track installation comprises crawler body 1, at the top of crawler body 1, be provided with platform 2, crawler body 1 inside is provided with tension wheel, road wheel and drive wheel, crawler body 1 passes through tension wheel, road wheel and drive wheel carry out supporting and location, on drive wheel, be connected with HM Hydraulic Motor, platform 2 is provided with lifting body frame and drive system, described lifting body frame comprises shaking rotating disk 3, lower arm 4 and upper boom portion 5, the bottom of shaking rotating disk 3 is positioned on platform 2 with platform 2 for being rotationally connected, one end of lower arm 4 is positioned at shaking rotating disk 3 tops, the other end of lower arm 4 and upper boom portion 5 are for being rotationally connected, the other end of lower arm 4 by hinge 20 with upper boom portion 5 for being rotationally connected, lower arm 4 and upper boom portion 5 are the wall thickness of 8mm and the aluminium-alloy pipe of 100mm, described drive system comprises driving running gear and electronic press pump 7, between upper boom portion 5 and lower arm 4, be provided with hydraulic supporting strut 6, electronic press pump 7 and hydraulic supporting strut 6 are for being in transmission connection, start electronic press pump 7 and drive upper boom portion 5 rises by hydraulic supporting strut 6, described driving running gear comprises diesel engine and hydraulic power unit 8, the oil pump of diesel engine and hydraulic power unit 8 is for being in transmission connection, hydraulic power unit 8 is set to the hydraulic power unit of four-way, the mouth of oil pump is connected with HM Hydraulic Motor by hydraulic oil pipe 9, on hydraulic oil pipe 9, be provided with control cock 10, by control cock 10, drive hydraulic power unit 8 hydraulic oil pipe 9 hydraulic oil are conveyed into to HM Hydraulic Motor, thereby drive crawler body 1 and realize all around walking flexibly, on control cock, be provided with hydraulic handle, by controlling hydraulic handle control realization driving crawler body, all around walk, the crawler belt of crawler body is of a size of 1.2 meters of 1 meter *, described tackling system comprises electric winch 11 and assembly pulley, electric winch 11 is set to the 3T electric winch, the stay cord 12 of the electric capstan of electric winch 11 is connected with hook 13 successively after assembly pulley, assembly pulley comprises pulley I 14, pulley II 15 and pulley III 16, pulley I 14 is arranged on lower arm 4, pulley II 15 is positioned at the bottom of upper boom portion 5, pulley III 16 is positioned at the top of upper boom portion 5, the stay cord 12 of electric capstan passes through pulley I 14 successively, pulley II 15 is connected with hook 13 with pulley III 16, the diameter of stay cord 12 is 6mm, electric winch 11 drives hook 13 and rises or descend, platform 2 one sides at described crawler body 1 top are provided with feet, feet comprises cross bar 17 and longitudinal rod 18, cross bar 17 and longitudinal rod 18 are that the 10# channel-section steel of 1.2 meters is made, one end of cross bar 17 is connected with platform 2, the other end of cross bar 17 is connected with the top of longitudinal rod 18, the bottom of longitudinal rod 18 is provided with and turns pin 19, the diameter that turns pin 19 is 20 mm, feet can be opened by turning pin the corner of 120 °.By control cock 10, drive hydraulic power unit 8 oil stream is conveyed into to HM Hydraulic Motor through hydraulic oil pipe 9, realize that all around walking flexibly is to appointed place thereby drive crawler body 1; Open feet, connect the 380V power supply, start electronic press pump 7, utilize hydraulic supporting strut 6 to rise upper boom portion 5; Start electric winch 11, by electric capstan, the stay cord 12 on assembly pulley is slowly rolled, the weight driven on hook 13 rises or descends, and by shaking rotating disk 11, weight is placed into to correct position.

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.

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