A spreader for adjusting the attitude of a load

Abstract

The utility model discloses a kind of lifting appliance of adjustable goods posture, for solving the problem of complicated, low efficiency of goods posture adjustment in hoisting operation.The lifting appliance includes upper hanger, oil cylinder, hydraulic circuit, lower hanger, rigging and solenoid control system.Through remote control electromagnetic valve, and then control the on-off of hydraulic circuit, utilize goods self gravity drive oil cylinder telescopic, realize accurate adjustment to goods posture, without external power source, easy to operate, simple and reliable structure, wide application range, especially suitable for the occasion of inconvenient to provide external power supply.The lifting appliance adopts closed hydraulic circuit and normally closed solenoid, to ensure safety and reliability.

Description

Technical Field

[0001] This utility model relates to the field of lifting equipment technology, specifically a lifting device for adjusting the aerial posture of lifted goods. Background Technology

[0002] In lifting operations, especially in installation and other applications requiring precise positioning, it is frequently necessary to adjust the aerial posture of the lifted goods. Traditional adjustment methods typically rely on manual adjustment of sling length or the use of complex mechanical structures, which are cumbersome, inefficient, and pose safety hazards. Especially in situations where external power is unavailable, traditional electric or hydraulic adjustment devices are difficult to apply.

[0003] Therefore, a lifting device that can adjust the aerial posture of the lifted goods is needed to solve the problems existing in the prior art. Utility Model Content

[0004] Purpose of the utility model: To provide a lifting device that is simple in structure, easy to operate, and requires no external power source, so as to solve the problems of cumbersome adjustment methods, low efficiency, and limited applicability in the existing technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An adjustable cargo lifting device, comprising: Upper gantry: Used to connect lifting equipment.

[0006] Hydraulic cylinders: There are two or more cylinders used to support and adjust the height of the lower hanger.

[0007] Hydraulic circuit: Connected to the hydraulic cylinder, used to control the extension and retraction of the cylinder. The hydraulic circuit is a closed circuit and includes a solenoid valve.

[0008] Lower hanger: Used to connect goods.

[0009] Rigging: Used to connect the upper and lower slings, as well as the lower sling and the cargo.

[0010] Solenoid valve control system: Includes solenoid valves, batteries, and remote controllers. The solenoid valves control the on / off state of the hydraulic circuit, the batteries provide power to the solenoid valves, and the remote controllers are used to remotely control the switching on and off of the solenoid valves.

[0011] The upper hanger is connected to the lower hanger via rigging, the hydraulic cylinder is connected between the upper and lower hangers, the hydraulic circuit is connected to the hydraulic cylinder, and the solenoid valve control system controls the on / off state of the hydraulic circuit.

[0012] Furthermore: The number of hydraulic cylinders can be two, three, or four or more, to achieve left-right or front-back posture adjustment.

[0013] The hydraulic circuit is a closed circuit containing hydraulic oil.

[0014] The solenoid valve is a normally closed solenoid valve, and the hydraulic circuit is locked when the power is off.

[0015] Compared with the prior art, the beneficial effects of this utility model are: The hydraulic cylinder extends and retracts using the weight of the cargo itself. It only requires a battery to power the solenoid valve and does not require an external power source. It is suitable for various lifting occasions that require aerial attitude adjustment, and is especially suitable for occasions where it is inconvenient to provide an external power source. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the present invention when adjusting its posture.

[0018] In the diagram: 1. Upper lifting frame; 2. Hydraulic cylinder; 3. Hydraulic circuit; 4. Lower lifting frame; 5. Rigging; 6. Cargo. Detailed Implementation

[0019] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0020] like Figure 1-2 As shown, the adjustable cargo 6 lifting device of this embodiment includes: an upper lifting frame 1 for connecting lifting equipment; two or more hydraulic cylinders 2 for supporting and adjusting the height of the lower lifting frame 4; a hydraulic circuit 3 connected to the hydraulic cylinders 2 for controlling the extension and retraction of the hydraulic cylinders 2, the hydraulic circuit 3 being a closed circuit and including a solenoid valve; a lower lifting frame 4 for connecting cargo 6; a rigging 5 for connecting the upper lifting frame 1 and the lower lifting frame 4; and a solenoid valve control system (specific structure and installation position not shown in the figure), including a solenoid valve, a battery, and a remote controller. The solenoid valve is used to control the on / off state of the hydraulic circuit 3, the battery provides power to the solenoid valve, and the remote controller is used to remotely control the opening and closing of the solenoid valve. The upper lifting frame 1 is connected to the lower lifting frame 4 via the rigging 5, the hydraulic cylinders 2 are connected between the upper lifting frame 1 and the lower lifting frame 4, the hydraulic circuit 3 is connected to the hydraulic cylinders 2, and the solenoid valve control system controls the on / off state of the hydraulic circuit 3.

[0021] A further technical solution in this embodiment includes: the number of hydraulic cylinders 2 is two, three, four, or more, used to adjust the left-right or front-back posture. The hydraulic circuit 3 is a closed circuit containing hydraulic oil. The solenoid valve is a normally closed solenoid valve, and the hydraulic circuit 3 locks when power is off.

[0022] like Figure 1-2 As shown, the adjustable cargo 6 lifting device of this utility model includes an upper lifting frame 1, a hydraulic cylinder 2, a hydraulic circuit 3, a lower lifting frame 4, a rigging 5, and the cargo 6.

[0023] The upper suspension frame 1 is connected to the lower suspension frame 4 via rigging 5, and the hydraulic cylinder 2 is connected between the upper suspension frame 1 and the lower suspension frame 4. The hydraulic circuit 3 is connected to the hydraulic cylinder 2, and the solenoid valve control system (not shown in the figure) controls the on / off state of the hydraulic circuit 3.

[0024] Working principle: 1. Before lifting: The lower lifting frame 4 is placed on the ground, and the weight of the upper lifting frame 1 compresses the hydraulic cylinder 2 back. At this time, the solenoid valve is in the closed state, and the hydraulic circuit 3 is locked.

[0025] 2. During lifting: The lifting equipment lifts the upper frame 1. Due to the locking of the hydraulic circuit 3, the oil cylinder 2 cannot extend or retract, and the lifting device is in a stable state.

[0026] 3. Attitude Adjustment: When it is necessary to adjust the attitude of cargo 6, such as lowering the right side height, the operator opens the solenoid valve corresponding to the right-side cylinder 2 via remote control, connecting the hydraulic circuit 3. Due to the gravity of cargo 6, the right-side cylinder 2 slowly extends, and the right side of the lower lifting frame 4 descends, thereby lowering the height of the right side of cargo 6.

[0027] 4. Fixed posture: When the cargo 6 is adjusted to the appropriate position, the operator closes the solenoid valve corresponding to the right cylinder 2 via remote control, the hydraulic circuit 3 locks again, the cylinder 2 remains stationary, and the posture of the cargo 6 is fixed.

[0028] 5. Left side adjustment: If you need to lower the left side height, the operation method is the same as that for the right side adjustment.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A lifting device with adjustable cargo posture, characterized in that, include: Upper hanger, used to connect lifting equipment; Two or more hydraulic cylinders are used to support and adjust the height of the lower hanger. The hydraulic circuit, connected to the oil cylinder, is used to control the extension and retraction of the oil cylinder. The hydraulic circuit is a closed circuit and includes a solenoid valve. Lower hanger, used to connect goods; Rigging, used to connect the upper and lower gantry frames; The solenoid valve control system includes a solenoid valve, a battery, and a remote controller. The solenoid valve is used to control the on / off state of the hydraulic circuit, the battery provides power to the solenoid valve, and the remote controller is used to remotely control the switching on and off of the solenoid valve. The upper hanger is connected to the lower hanger via rigging, the hydraulic cylinder is connected between the upper and lower hangers, the hydraulic circuit is connected to the hydraulic cylinder, and the solenoid valve control system controls the on / off state of the hydraulic circuit.

2. The adjustable cargo lifting device according to claim 1, characterized in that: The number of hydraulic cylinders is two or more, used to adjust the left-right or front-back posture.

3. The adjustable cargo lifting device according to claim 1, characterized in that: The hydraulic circuit is a closed circuit containing hydraulic oil.

4. The adjustable cargo lifting device according to claim 1, wherein the solenoid valve is a normally closed solenoid valve, and the hydraulic circuit is locked when power is cut off.

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