Protective device of hydraulic machine

Abstract

The utility model relates to the technical field of hydraulic machinery, in particular to a protective device of hydraulic machinery, which comprises a screw rod, a movable protective plate and an annular protective cover, the lower end of the screw rod is fixedly connected with a base, the screw rod penetrates through the movable protective plate and is connected with a sleeve in the movable protective plate, and the upper end of the screw rod is connected with a screw rod motor. One side of the top plate is fixedly connected with a fixing block, the lower end of the fixing block is fixedly connected with an electric telescopic rod, and the lower end of the electric telescopic rod is fixedly connected with an annular protective cover. Through the device, the electric telescopic rod can control the annular shield to ascend and descend, so that the annular shield is controlled to cover the working area of the machine, and when the hydraulic machine works to punch materials, the annular shield can descend to further protect operators from accidental injuries and avoid damage to the mechanical device; and when the hydraulic machine does not work, the annular protective cover can be lifted, so that an operator can observe and operate the hydraulic machine conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic machinery, in particular to a protective device for hydraulic machinery. Background Art

[0002] During the operation of hydraulic machinery, operators face a variety of safety risks, including the possibility of accidental injury and damage to mechanical devices. Since hydraulic machinery will produce high-speed moving parts and flying debris during operation, effective protective measures are required to ensure safety. Hydraulic machinery protective devices in related technologies are often fixed or not flexible enough to adjust, which limits operators from making adjustments according to different operating requirements. In addition, while providing protection, these protective devices may hinder the operator's observation and operation of the work area, thereby affecting operational efficiency and accuracy. In view of this, it is necessary to improve the current hydraulic machinery protective devices to solve the above problems;

[0003] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0004] The utility model aims to provide a protective device for hydraulic machinery to solve the problem that the protective devices for hydraulic machinery proposed in the above background technology are often fixed or not flexible enough to adjust, which limits the operator to adjust according to different operation requirements. In addition, while providing protection, these protective devices may hinder the operator's observation and operation of the working area, thereby affecting the operation efficiency and accuracy.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A protective device for a hydraulic machinery comprises a screw rod, a movable guard plate and an annular guard cover, wherein the lower end of the screw rod is fixedly connected to a base, the screw rod passes through a sleeve connected to the movable guard plate, the upper end of the screw rod is connected to a screw rod motor, and the upper end of the base is fixedly connected to a top plate through a support column, one side of the top plate is fixedly connected to a fixed block, the lower end of the fixed block is fixedly connected to an electric telescopic rod, and the lower end of the electric telescopic rod is fixedly connected to the annular guard cover.

[0007] As a preferred technical solution, a hydraulic cylinder mounting seat is provided at the upper end of the top plate, a hydraulic cylinder is fixedly installed inside the hydraulic cylinder mounting seat, and a hydraulic rod is connected to the lower end of the hydraulic cylinder.

[0008] As a preferred technical solution, the hydraulic rod passes through the movable guard plate to connect the stamping block, the lower end of the stamping block is provided with a stamping groove, and the stamping groove is provided at the upper end of the base.

[0009] As a preferred technical solution, a through hole is provided inside the annular shield, and the support column and the hydraulic rod pass through the through hole.

[0010] As a preferred technical solution, a controller is disposed inside the base, and the controller is electrically connected to the screw motor, the hydraulic cylinder, and the electric telescopic rod.

[0011] The beneficial effects of the utility model are:

[0012] Through this device, the screw motor can drive the screw to rotate, and then drive the movable guard plate to move up and down along the screw to adapt to the operation requirements of different heights, so that the movable guard plate 3 can adjust its position according to the changes in the working environment, provide flexible protection for the operator, and protect the operator from accidental injury and damage to the mechanical device when the hydraulic machinery is operating to stamp materials. The electric telescopic rod can control the lifting and lowering of the annular shield, thereby controlling the annular shield to cover the working area of ​​the machinery. When the hydraulic machinery is working to stamp materials, the annular shield can be lowered to further protect the operator from accidental injury and damage to the mechanical device, and protect the hydraulic machinery from dust and debris. When the hydraulic machinery is not working, the annular shield can be raised to facilitate observation and operation by the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a protective device for hydraulic machinery proposed by the utility model;

[0014] Figure 2 The utility model is a structural schematic diagram of an annular shield of a protective device for hydraulic machinery.

[0015] In the figure: 1 screw, 2 base, 201 support column, 3 movable guard plate, 4 sleeve, 5 screw motor, 6 top plate, 7 hydraulic cylinder mounting seat, 8 hydraulic cylinder, 801 hydraulic rod, 802 punching block, 9 fixed block, 901 electric telescopic rod, 10 annular shield, 101 through hole, 11 punching groove, 12 controller. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0019] Reference Figure 1-2 A protective device for a hydraulic machinery includes a screw rod 1, a movable guard plate 3 and an annular guard 10, the lower end of the screw rod 1 is fixedly connected to a base 2, the screw rod 1 passes through the movable guard plate 3 and is connected to a sleeve 4 inside the movable guard plate 3, the upper end of the screw rod 1 is connected to a screw motor 5, and the upper end of the base 2 is fixedly connected to a top plate 6 through a support column 201.

[0020] Through this design, the screw motor 5 can drive the screw 1 to rotate, and then drive the movable guard plate 3 to move up and down along the screw 1 to adapt to the operation requirements at different heights, so that the movable guard plate 3 can adjust its position according to changes in the working environment, providing flexible protection for the operator, and can protect the operator from accidental injuries and avoid damage to the mechanical device when the hydraulic machinery is operating to stamp materials.

[0021] Among them, one side of the top plate 6 is fixedly connected to the fixed block 9, the lower end of the fixed block 9 is fixedly connected to the electric telescopic rod 901, the lower end of the electric telescopic rod 901 is fixedly connected to the annular shield 10, and a through hole 101 is provided inside the annular shield 10, and the support column 201 and the hydraulic rod 801 pass through the through hole 101.

[0022] Through this design, the electric telescopic rod 901 can control the raising and lowering of the annular shield 10, thereby controlling the annular shield 10 to cover the working area of ​​the machine. When the hydraulic machine is working to punch materials, the annular shield 10 can be lowered to further protect the operator from accidental injuries and damage to the mechanical device, and protect the hydraulic machine from dust and debris. When the hydraulic machine is not working, the annular shield 10 can be raised to facilitate observation and operation by the operator.

[0023] In other embodiments, a hydraulic cylinder mounting seat 7 is provided at the upper end of the top plate 6, and a hydraulic cylinder 8 is fixedly installed inside the hydraulic cylinder mounting seat 7. The lower end of the hydraulic cylinder 8 is connected to a hydraulic rod 801, and the hydraulic rod 801 passes through the movable guard plate 3 to connect the stamping block 802. A stamping groove 11 is provided at the lower end of the stamping block 802, and the stamping groove 11 is provided at the upper end of the base 2.

[0024] Through this design, the hydraulic cylinder 8 can drive the punching block 802 to move up and down through the hydraulic rod 801 to perform punching operations. The punching groove 11 is used in conjunction with the punching block 802 to ensure the accuracy and safety of the punching process and is suitable for materials of various thicknesses and materials.

[0025] In other embodiments, a controller 12 is disposed inside the base 2 , and the controller 12 is electrically connected to the screw motor 5 , the hydraulic cylinder 8 , and the electric telescopic rod 901 .

[0026] In this embodiment, the screw motor 5 can drive the screw 1 to rotate, and then drive the movable guard plate 3 to move up and down along the screw 1 to adapt to the operation requirements of different heights, so that the movable guard plate 3 can adjust its position according to the changes in the working environment, provide flexible protection for the operator, and protect the operator from accidental injury and damage to the mechanical device when the hydraulic machinery is operating to stamp materials. The electric telescopic rod 901 can control the lifting and lowering of the annular shield 10, thereby controlling the annular shield 10 to cover the working area of ​​the machine. When the hydraulic machinery is working to stamp materials, the annular shield 10 can be lowered to further protect the operator from accidental injury and damage to the mechanical device, and protect the hydraulic machinery from dust and debris. When the hydraulic machinery is not working, the annular shield 10 can be raised to facilitate observation and operation by the operator.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A protective device for a hydraulic machine, comprising a screw rod (1), a movable guard plate (3) and an annular guard (10), characterized in that: The lower end of the screw rod (1) is fixedly connected to the base (2), the screw rod (1) passes through the movable guard plate (3) and is connected to the sleeve (4) inside the movable guard plate (3), the upper end of the screw rod (1) is connected to the screw rod motor (5), and the upper end of the base (2) is fixedly connected to the top plate (6) through a support column (201), one side of the top plate (6) is fixedly connected to a fixed block (9), the lower end of the fixed block (9) is fixedly connected to an electric telescopic rod (901), and the lower end of the electric telescopic rod (901) is fixedly connected to an annular protective cover (10).

2. A protective device for hydraulic machinery according to claim 1, characterized in that: A hydraulic cylinder mounting seat (7) is provided at the upper end of the top plate (6), a hydraulic cylinder (8) is fixedly mounted inside the hydraulic cylinder mounting seat (7), and the lower end of the hydraulic cylinder (8) is connected to a hydraulic rod (801).

3. A protective device for hydraulic machinery according to claim 2, characterized in that: The hydraulic rod (801) passes through the movable guard plate (3) and is connected to the punching block (802). The lower end of the punching block (802) is provided with a punching groove (11), and the punching groove (11) is provided at the upper end of the base (2).

4. A protective device for hydraulic machinery according to claim 1, characterized in that: A through hole (101) is provided inside the annular shield (10), and a support column (201) and a hydraulic rod (801) pass through the through hole (101).

5. A protective device for hydraulic machinery according to claim 1, characterized in that: A controller (12) is disposed inside the base (2), and the controller (12) is electrically connected to the screw motor (5), the hydraulic cylinder (8), and the electric telescopic rod (901).

Images