CN215854733U - Swing arm type hoisting device - Google Patents

Abstract

The utility model discloses a swing arm type lifting device, which solves the problems of complex working structure and low efficiency of the lifting device in the prior art. The utility model comprises a supporting frame, wherein a fixed frame which can move relative to the supporting frame is arranged on the supporting frame, at least one swing arm is arranged on the fixed frame, and the swing arm is hinged with the fixed frame and swings around a hinged point through a swing driving piece; and a lifting appliance is arranged on the swing arm. The support frame is a frame capable of performing active motion or passive motion. The swing arm type lifting device utilizes the oil cylinder to provide power, can bear heavy weight, and has simple and reliable action; the telescopic swing arm is used for realizing material hoisting in a certain range, the structural design is simple, and the failure rate is low; hoisting can be realized through the stretching of the oil cylinder, and the hoisting efficiency is high; the swing arm oil cylinder and the movable oil cylinder can hoist within a large angle range from front to back, the hoisting range is large, the requirement on the position of a material is low, and the adaptability is good.

Description

Swing arm type hoisting device

Technical Field

The utility model relates to the technical field of material hoisting, in particular to a swing arm type hoisting device.

Background

In the field construction process, pipelines or other materials need to be hoisted. However, the existing mechanical hoisting device has poor adaptability due to limited construction space and frequent operation. The slurry pipe connecting auxiliary device at the back of the slurry shield trolley with the publication number of CN 107654730A and the slurry pipe hoisting device using the same are complex in structural composition due to the fact that an electrical system and a hydraulic system are combined in design, a hoist and an oil cylinder need to be controlled, the action is complex, and the hoisting efficiency is low. A mud pipe lifting device recorded by a moving rail type mud pipeline lifting system and a lifting method of an underground mud shield machine with the publication number of CN 106629389A has the advantages that one swing beam needs to be manually operated, and two hoists need to be adjusted and matched for lifting, so that the lifting efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a swing arm type lifting device, which solves the problems of complex working structure and low efficiency of the lifting device in the prior art.

The technical scheme of the utility model is realized as follows: a swing arm type lifting device comprises a supporting frame, wherein a fixed frame capable of moving relative to the supporting frame is arranged on the supporting frame, at least one swing arm is arranged on the fixed frame, and the swing arm is hinged with the fixed frame and swings around a hinged point through a swing driving piece; and a lifting appliance is arranged on the swing arm. The support frame is a frame capable of performing active motion or passive motion.

Further, the swing arm is a telescopic swing arm; the fixing frame is provided with two swing arms, the two swing arms are connected through a connecting piece, one end of the swing driving piece is hinged with the fixing frame, and the other end of the swing driving piece is hinged with the connecting piece.

Preferably, the swing arm includes swing arm outer tube and swing arm inner tube, and the swing arm inner tube cover is established in the swing arm outer tube and is connected with the swing arm outer tube through flexible hydro-cylinder. The swing arm outer pipe is hinged to the fixed frame, one end of the swing arm inner pipe is sleeved in the swing arm outer pipe, and the other end of the swing arm inner pipe is provided with a connecting hanging seat used for connecting a hanging tool; the telescopic oil cylinder is positioned inside the outer pipe of the swing arm.

Preferably, the swing driving piece is a swing oil cylinder, one end of the swing oil cylinder is connected with the swing arm or a connecting piece between two adjacent swing arms, and the other end of the swing oil cylinder is hinged on the fixed frame. The number of the swing oil cylinders is at least one.

Further, the mount is portable to be set up on the support frame and is connected with the support frame through removing the driving piece.

As a preferred mode, the movable driving piece is a movable oil cylinder, one end of the movable oil cylinder is hinged with the supporting frame, the other end of the movable oil cylinder is hinged with the fixing frame, and the movable oil cylinder drives the fixing frame to slide along the supporting frame.

As a preferred mode, the movable driving part is a small motor, and the small motor is fixed on the supporting frame and drives the fixing frame to slide along the supporting frame through a gear-rack pair.

The swing arm type lifting device utilizes the oil cylinder to provide power, can bear heavy weight, and has simple and reliable action; the telescopic swing arm is used for realizing material hoisting in a certain range, the structural design is simple, and the failure rate is low; hoisting can be realized through the stretching of the oil cylinder, and the hoisting efficiency is high; the swing arm oil cylinder and the movable oil cylinder can hoist within a large angle range from front to back, the hoisting range is large, the requirement on the position of a material is low, and the adaptability is good. The lifting device is simple in structure, can lift different materials in a large range, improves the flexibility and the applicability, and has high practical value and popularization value.

Drawings

In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic side view of the present invention in example 2.

Fig. 3 is a schematic view of the swing arm in the vertical state in embodiment 2.

Fig. 4 is a schematic diagram of the state that the swing arm swings 60 degrees to the right in embodiment 2.

Fig. 5 is a schematic view of the overall structure of the present invention in embodiment 4.

In the figure: the device comprises a swing oil cylinder 1, a moving oil cylinder 2, a swing arm 3, a material 4, a support frame 5, a fixing frame 6, a swing arm inner pipe 7, a swing arm outer pipe 8, a telescopic oil cylinder 9, a connecting lifting seat 10, a lifting appliance 11, a connecting piece 12 and a small motor 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, in embodiment 1, a swing arm type lifting device includes a support frame 5, and the support frame is a support structure of the whole lifting device. The support frame 5 is a frame capable of performing active motion or passive motion as required, namely, the hoisting device is arranged on the frame, and the support frame can adopt a trailer frame to perform active motion or perform passive follow-up along with a tunneling host machine in the shield construction process. The supporting frame 5 is provided with a fixing frame 6 which can move relative to the supporting frame 5, and the movement of the fixing frame is used for adjusting the position of the whole lifting device on the supporting frame, so that the lifting flexibility is improved. The fixing frame 6 is provided with at least one swing arm 3, and the number of the swing arms is set according to the requirements of a lifting range or lifting articles and the like. The swing arm 3 is hinged with the fixed frame 6 and swings around a hinged point through a swing driving piece; in the hoisting process, the swing arm is driven to swing up and down around the hinged point through the swing driving piece, the hoisting height and the hoisting range are changed, and accurate and efficient hoisting is carried out. The swing arm 3 is provided with a lifting appliance 11, preferably, the lifting appliance and the swing arm are connected in a replaceable manner, and when different materials 4 are lifted, different lifting appliances can be adopted to safely lift the materials.

As shown in fig. 2, in embodiment 2, a swing arm type hoisting device, in this embodiment, the swing arm 3 is a telescopic swing arm, and the telescopic swing arm is a support arm with an adjustable extension length, so that a hoisting range can be flexibly changed. In addition, the oil cylinder is used for providing power, the bearing crane is heavy, and the action is simple and reliable. Be equipped with two swing arms 3 that set up side by side on the mount 6 in this embodiment, two swing arms 3 connect into the H type through connecting piece 12, and the one end of swing driving piece is articulated with mount 6, the other end is articulated with connecting piece 12, and through the cooperation of swing driving piece and connecting piece, the synchronous swing of two swing arms is realized, improves handling factor of safety and handling efficiency.

Preferably, the swing arm 3 includes swing arm outer tube 8 and swing arm inner tube 7, and swing arm outer tube 8 and swing arm inner tube 7 all can adopt square tubular construction. The swing arm inner tube 7 is sleeved in the swing arm outer tube 8 and is connected with the swing arm outer tube 8 through the telescopic oil cylinder 9, and under the action of the telescopic oil cylinder, the swing arm inner tube performs telescopic motion in the swing arm outer tube, so that the overall length of the swing arm is changed. The swing arm outer pipe 8 is hinged to the fixed frame 6, one end of the swing arm inner pipe 7 is sleeved in the swing arm outer pipe 8, and the other end of the swing arm inner pipe is provided with a connecting hanging seat 10 for connecting a hanging tool 11; swing arm outer tube 8 and swing arm inner tube 7 all adopt the hollow tube, and flexible hydro-cylinder 9 is located swing arm outer tube 8 inside and sets up with swing arm inner tube 7 coaxial line, ensures going on smoothly of flexible action.

Further, the swing driving piece is a swing oil cylinder 1, and the number of the swing oil cylinders 1 is at least one. In this embodiment, two swing arms are adopted, and the swing oil cylinder can adopt 1. One end of the swing oil cylinder 1 is connected with the swing arm 3 or a connecting piece 12 between two adjacent swing arms; namely, when the swing arm is one, the swing arm can be driven by adopting a swing oil cylinder. When two swing arms are adopted, the two swing arms can respectively correspond to one swing oil cylinder. When the two swing arms are connected into an H shape through the connecting piece 12, a swing oil cylinder can be used for driving. The other end of the swing oil cylinder is hinged on the fixing frame 6, and the swing arm is driven to rotate around the hinged point through the extension of the swing oil cylinder, so that the lifting position and the lifting range of the swing arm are changed.

As shown in fig. 3 and 4, taking a swing cylinder as an example, when the swing cylinder is fully retracted, the swing arm swings 50 degrees to the left. When the swing oil cylinder extends out of a part, the swing arm is located at a vertical position. When the swing oil cylinder is completely extended out, the swing arm swings 60 degrees to the right; the range coverage of 110-degree angles can be achieved by stretching out and retracting the swing oil cylinder, different swing angle ranges can be formed by adjusting the stroke of the swing oil cylinder, and the larger hoisting range is achieved by matching the stretching of the inner pipe and the outer pipe of the swing arm. The other structure is the same as embodiment 1.

As shown in fig. 1, in embodiment 3, the fixed frame 6 is movably disposed on the supporting frame 5 and connected to the supporting frame 5 through a movable driving member. In this embodiment, the movable driving member is a movable oil cylinder 2, one end of the movable oil cylinder 2 is hinged to the support frame 5, the other end of the movable oil cylinder 2 is hinged to the fixing frame 6, and the movable oil cylinder 2 drives the fixing frame 6 to slide along the support frame 5. The oil cylinder is adopted to adjust the position of the fixing frame, the operation is convenient and fast, and the whole swing arm device can move back and forth by moving the telescopic of the oil cylinder.

The other structure is the same as embodiment 2.

As shown in fig. 5, in embodiment 4, the movable driving member is a small motor 13, and the small motor 13 is fixed on the supporting frame 5 and drives the fixing frame 6 to slide along the supporting frame 5 through a rack-and-pinion, in this embodiment, the swing arm type hoisting device is provided. Specifically, a rack is fixed on a fixing frame, a gear is installed on an output shaft of a small motor, the motor drives the gear to rotate, the gear is meshed with the rack, the fixing frame is driven by the rack to move, and the position of the fixing frame is accurately adjusted. Through the structural design of the motor and the gear-rack pair, the whole swing arm device can move back and forth along the support frame, and the lifting flexibility is improved.

The other structure is the same as embodiment 2.

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 utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a swing arm formula hoisting accessory which characterized in that: the device comprises a support frame (5), wherein a fixed frame (6) capable of moving relative to the support frame (5) is arranged on the support frame (5), at least one swing arm (3) is arranged on the fixed frame (6), and the swing arm (3) is hinged with the fixed frame (6) and swings around a hinged point through a swing driving piece; and a lifting appliance (11) is arranged on the swing arm (3).

2. The swing arm type lifting device of claim 1, wherein: the swing arm (3) is a telescopic swing arm; two swing arms (3) are arranged on the fixing frame (6), the two swing arms (3) are connected through a connecting piece (12), one end of the swing driving piece is hinged with the fixing frame (6), and the other end of the swing driving piece is hinged with the connecting piece (12).

3. The swing arm type lifting device according to claim 1 or 2, wherein: the swing arm (3) comprises a swing arm outer tube (8) and a swing arm inner tube (7), wherein the swing arm inner tube (7) is sleeved in the swing arm outer tube (8) and is connected with the swing arm outer tube (8) through a telescopic oil cylinder (9).

4. The swing arm type lifting device of claim 3, wherein: the swing arm outer pipe (8) is hinged on the fixed frame (6), one end of the swing arm inner pipe (7) is sleeved in the swing arm outer pipe (8), and the other end of the swing arm inner pipe is provided with a connecting lifting seat (10) used for connecting a lifting appliance (11); the telescopic oil cylinder (9) is positioned inside the swing arm outer pipe (8).

5. The swing arm type lifting device according to claim 1, 2 or 4, wherein: the swing driving piece is a swing oil cylinder (1), one end of the swing oil cylinder (1) is connected with the swing arm (3) or a connecting piece (12) between two adjacent swing arms, and the other end of the swing oil cylinder is hinged on the fixing frame (6).

6. The swing arm type lifting device of claim 5, wherein: the number of the swing oil cylinders (1) is at least one.

7. The swing arm lifting apparatus of claim 1, 2, 4 or 6, wherein: the fixing frame (6) is movably arranged on the support frame (5) and is connected with the support frame (5) through a movable driving piece.

8. The swing arm type lifting device of claim 7, wherein: the movable driving piece is a movable oil cylinder (2), one end of the movable oil cylinder (2) is hinged to the supporting frame (5), the other end of the movable oil cylinder is hinged to the fixing frame (6), and the movable oil cylinder (2) drives the fixing frame (6) to slide along the supporting frame (5).

9. The swing arm type lifting device of claim 7, wherein: the movable driving piece is a small motor (13), and the small motor (13) is fixed on the support frame (5) and drives the fixing frame (6) to slide along the support frame (5) through a gear-rack pair.

10. The swing arm lifting apparatus of claim 1, 6, 8 or 9, wherein: the support frame (5) is a frame capable of performing active motion or passive motion.

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