Mobile fall arrest device

Abstract

The application discloses a mobile anti-falling device, which comprises a first support frame, at least two second support frames, each of which is connected with the first support frame and is arranged along the length direction of the first support frame in sequence and at intervals, and a walking unit arranged on the second support frame and capable of moving and walking in different directions. The application discloses the mobile anti-falling device to solve the problem of unsatisfactory effect of the existing anti-falling mode.

Description

Technical Field

[0001] This application relates to the field of wind power generation technology, and more specifically, to a mobile fall arrest device. Background Technology

[0002] With the vigorous promotion of clean energy, wind power resources are being utilized extensively, and wind turbines are widely used. Blades are one of the important components of wind turbines. The blade production process involves multiple operational steps, and after blade forming, there are also multiple processes, known as blade post-processing. During the implementation of blade processing procedures, there may be areas that are too high or difficult to access, requiring operators to work on the blades, which poses safety risks.

[0003] Currently, blade post-treatment operations include two methods. The first method utilizes overhead cranes or forklifts to form a safety protection frame or operating platform, enabling safe operation through mechanized means. The disadvantages are: large operational errors, the need for forklifts or overhead cranes, high personnel and mechanization requirements, limited operating space, and the risk of blade damage from improper operation. The second method utilizes fixed steel wires or steel structures to form a fixed operating platform. The disadvantages are: fixed area construction, limited operating space, the risk of blade damage from improper operation, and high difficulty for personnel to operate.

[0004] Therefore, a mobile fall arrest device is needed to solve the above problems. Utility Model Content

[0005] In view of this, the purpose of this application is to propose a mobile fall protection device to solve the problem that the existing fall protection methods are not effective.

[0006] To achieve the above objectives, this application provides a mobile fall arrest device, comprising:

[0007] First support frame;

[0008] At least two second support frames, each of which is connected to the first support frame and is arranged at intervals along the length of the first support frame;

[0009] The walking unit is mounted on the second support frame and is capable of moving and walking in different directions.

[0010] Optionally, it further includes: oblique reinforcing ribs, the opposite ends of which are connected to the first support frame and the second support frame, respectively.

[0011] Optionally, the first support frame includes a first frame body and a plurality of first reinforcing ribs, the second support frame is connected to the first frame body, and the plurality of first reinforcing ribs are evenly distributed along the length direction within the first frame body.

[0012] Optionally, the second support frame includes a second frame body and a plurality of second reinforcing ribs. The second frame body is connected to the first support frame, the walking unit is connected to the second frame body, and the plurality of second reinforcing ribs are evenly distributed along the height direction within the second frame body.

[0013] Optionally, the width of the second frame body gradually increases from top to bottom.

[0014] Optionally, the second support frame further includes a plurality of third reinforcing ribs, which are evenly distributed along the width direction within the second frame body.

[0015] Optionally, both the first support frame and the second support frame are made of angle steel.

[0016] Optionally, the walking unit is provided with a locking component, which can be opened and closed to switch the walking unit between a locked state and an unlocked state.

[0017] Optionally, a cushioning pad is wrapped around the corner where the first support frame and the second support frame connect.

[0018] Optionally, the surface of the first support frame is at least partially covered with a buffer layer.

[0019] As can be seen from the above, the mobile fall arrestor provided in this application has the following advantages compared with the prior art: the mobile fall arrestor provides support and protection for operators, improving safety performance; the walking unit can be moved easily, making it convenient for use in different occasions without site restrictions; the mobile fall arrestor does not come into direct contact with the blades, avoiding the risk of blade damage. Attached Figure Description

[0020] The above features and technical advantages of this application will become clearer and easier to understand from the following description of its embodiments in conjunction with the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of a mobile fall arrestor used in a specific embodiment of this application.

[0022] Figure 2 for Figure 1 Side view of the mobile fall arrestor shown.

[0023] Figure 3 for Figure 1 Another side view of the mobile fall arrestor shown.

[0024] Figure 4 for Figure 1Another side view of the mobile fall arrestor shown.

[0025] The attached figures are labeled as follows:

[0026] 1. Second support frame; 11. Second frame main body; 12. Second reinforcing rib; 13. Third reinforcing rib; 2. First support frame; 21. First frame main body; 22. First reinforcing rib; 3. Diagonal reinforcing rib; 4. Casters. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings. The terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0028] Figure 1 This is a schematic diagram of a mobile fall arrestor used in a specific embodiment of this application. Figure 2 for Figure 1 Side view of the mobile fall arrestor shown. Figure 3 for Figure 1 Another side view of the mobile fall arrestor shown. Figure 4 for Figure 1 Another side view of the mobile fall arrestor shown. Figures 1 to 4 As shown, the mobile fall arrestor includes a first support frame 2, at least two second support frames 1, and a walking unit.

[0029] The mobile fall arrestor includes a first support frame 2, at least two second support frames 1, and a walking unit; each second support frame 1 is connected to the first support frame 2 and is arranged at intervals along the length of the first support frame 2; the walking unit is arranged on the second support frame 1 and is capable of moving in different directions.

[0030] The second support frame 1 provides vertical support for the first support frame 2, and the first support frame 2 provides horizontal support. Workers can step on the first support frame 2 or move to the blade to work with the help of the first support frame 2. The walking unit is installed on the second support frame 1, and under the action of external force, the walking unit can carry the first support frame 2 and the second support frame 1 to move and walk.

[0031] The aforementioned mobile fall arrestor provides support and protection for operators, enhancing safety performance; the mobile unit is easily movable, making it convenient for use in different situations without site restrictions; the mobile fall arrestor does not come into direct contact with the blades, avoiding the risk of blade damage.

[0032] The walking unit includes, but is not limited to, wheels. Each second support frame 1 is equipped with at least one wheel, typically two, spaced apart along the width of the second support frame 1. Wheels include, but are not limited to, casters 4, rubber wheels, etc. Using casters 4 reduces the difficulty of driving the mobile fall arrestor and facilitates installation. Using rubber wheels improves the cushioning performance of the mobile fall arrestor.

[0033] In one embodiment of this application, the walking unit includes four omnidirectional wheels 4, namely wheel 1, wheel 2, wheel 3 and wheel 4. Wheel 1 and wheel 3 are mounted on the left second support frame 1 of the mobile fall arrest device, and wheel 2 and wheel 4 are mounted on the right second support frame 1 of the mobile fall arrest device.

[0034] In one embodiment of this application, the number of second support frames 1 is determined according to the length of the first support frame 2; the longer the first support frame 2 is, the more second support frames 1 are required. Multiple second support frames 1 are arranged sequentially at intervals along the length direction of the first support frame 2.

[0035] In one embodiment of this application, the mobile fall arrestor further includes a climbing ladder, which can be equipped independently, for example, the climbing ladder can be attached to the first support frame 2 or the second support frame 1. The climbing ladder can also be combined with one of the second support frames 1, that is, a plurality of ladders are provided on the second support frame 1 along the height direction to facilitate climbing up and down the first support frame 2.

[0036] Optionally, the mobile fall arrestor further includes: an oblique reinforcing rib 3, the opposite ends of which are connected to the first support frame 2 and the second support frame 1, respectively. The oblique reinforcing rib 3 is used to enhance the connection stability of the first support frame 2 and the second support frame 1 and improve the overall structural strength.

[0037] The number of diagonal reinforcing bars is usually multiple. In one embodiment of this application, there are four diagonal reinforcing bars. Two diagonal reinforcing bars are located at the left end of the first support frame 2 and are respectively arranged on opposite sides in the width direction of the first support frame 2. The other two diagonal reinforcing bars are located at the right end of the first support frame 2 and are respectively arranged on opposite sides in the width direction of the first support frame 2. The two diagonal reinforcing bars on the same side of the first support frame 2 are symmetrically arranged along the centerline of the length direction of the first support frame 2.

[0038] The tilt angle of the oblique reinforcing bar is typically between 30° and 60°. In one embodiment of this application, the tilt angle of the oblique reinforcing bar is typically 45°.

[0039] Optionally, the first support frame 2 includes a first frame body 21 and a plurality of first reinforcing ribs 22. A second support frame 1 is connected to the first frame body 21, and the plurality of first reinforcing ribs 22 are evenly distributed along the length of the first frame body 21. The top ends of the two second support frames 1 are respectively connected to both ends of the first frame body 21. If the length of the first frame body 21 is relatively longer, the number of second support frames 1 can be increased to enhance the support strength for the middle section of the first frame body 21. By setting the first reinforcing ribs 22, the structural strength of the first frame body 21 can be increased, meeting the strength requirements of the first support frame 2.

[0040] In one embodiment of this application, the first frame body 21 includes two horizontal bars and two vertical bars, which are spaced apart and connected sequentially to form a closed structure. Typically, the length of the first frame body 21 is much greater than its width, that is, the length of the horizontal bars is much greater than the length of the vertical bars. Therefore, the first reinforcing ribs 22 are arranged parallel to each other with the vertical bars and are spaced apart sequentially along the length direction of the horizontal bars.

[0041] Optionally, the second support frame 1 includes a second frame body 11 and a plurality of second reinforcing ribs 12. The second frame body 11 is connected to the first support frame 2, and the walking unit is connected to the second frame body 11. The plurality of second reinforcing ribs 12 are evenly distributed along the height direction within the second frame body 11. The top end of the second frame body 11 is connected to the first frame body 21, and the bottom end of the second frame body 11 is connected to the walking unit. By providing the second reinforcing ribs 12, the structural strength of the second frame body 11 can be increased, which is sufficient to support the first support frame 2.

[0042] In one embodiment of this application, the second frame body 11 includes two side bars and two cross bars. The cross bars and side bars are spaced apart and connected in sequence to form a closed structure. Typically, the height of the second frame body 11 is much greater than its width, that is, the length of the side bars is much greater than the length of the cross bars. Therefore, the second reinforcing ribs 12 are arranged parallel to each other with the cross bars and are spaced apart in sequence along the length direction of the side bars.

[0043] To improve the stability of the second support frame 1, the width of the second frame body 11 may optionally increase gradually from top to bottom. Typically, the width of the bottom of the second frame body 11 is 2-4 times the width of the top.

[0044] In one embodiment of this application, the second frame body 11 has a trapezoidal structure, and the width of the bottom of the second frame body 11 is three times the width of the top.

[0045] Optionally, the second support frame 1 further includes a plurality of third reinforcing ribs 13, which are evenly distributed along the width direction within the second frame body 11. By adding the third reinforcing ribs 13, the stability of the second support frame 1 can be improved, thereby enhancing the stable support for the first support frame 2.

[0046] In one embodiment of this application, there are two third reinforcing ribs 13, which are evenly distributed along the width direction within the second frame body 11. The third reinforcing ribs 13, together with the sides and bottom of the second frame body 11, form a triangular structure.

[0047] In one embodiment of this application, the oblique reinforcing rib 3 and the first reinforcing rib 22 can be fixedly connected to the first frame body 21, such as by welding, or they can be detachably connected, such as by bolts or straps. The oblique reinforcing rib 3, the second reinforcing rib 12, and the third reinforcing rib 13 can be fixedly connected to the second frame body 11, such as by welding, or they can be detachably connected, such as by bolts or straps.

[0048] In one embodiment of this application, one or more connecting rods can be provided between adjacent second support frames 1. By adding connecting rods, the integrity and stability of the mobile fall arrest device can be improved.

[0049] In one embodiment of this application, the second support frame 1 further includes a transmission rod, which can be used for auxiliary driving. For example, the two ends of the transmission rod are respectively connected to the second support frame 1 and the driving mechanism. The driving mechanism provides driving force, and the transmission rod transmits the driving force to the walking unit below the second support frame 1.

[0050] Optionally, both the first support frame 2 and the second support frame 1 are made of angle steel. Angle steel has advantages such as high strength, light weight, flexible construction, and good economy. Using angle steel to make the first support frame 2 and the second support frame 1 allows for the use of locally available materials, and it has a high yield point and tensile strength, enabling it to withstand greater tensile and compressive forces. Depending on the specific environment, angle steel of appropriate length is cut, and then rapid assembly is achieved. Adjacent angle steels can be fixed together using triangular washers and bolts and nuts.

[0051] Optionally, the walking unit is equipped with a locking component. Opening and closing the locking component allows the walking unit to switch between a locked state and an unlocked state. Activating the locking component locks the walking unit, preventing it from moving; closing the locking component unlocks the walking unit, allowing it to move.

[0052] In one embodiment of this application, the locking component includes, but is not limited to, a foot brake pad connected to the wheel, which is opened and closed by lifting or stepping on it.

[0053] Optionally, a cushioning pad is provided at the corner where the first support frame 2 and the second support frame 1 connect. By providing a cushioning pad, the buffering performance at the corner can be improved, preventing cuts from sharp objects and enhancing the safety performance of the mobile fall arrestor.

[0054] In one embodiment of this application, the cushioning pad includes, but is not limited to, rubber cushioning pads, sponge cushioning pads, etc.

[0055] In one embodiment of this application, the cushioning pad includes three corner protectors, wherein two corner protectors are at the same height, extend in the same direction and are perpendicular to each other; the third corner protector is perpendicularly connected to the two corner protectors mentioned above, and the three together form a corner protector groove. The corner protector includes two mutually perpendicular protective plates, and the corner protector partially wraps around the first frame body 21 or the second frame body 11, with the protective plates fitting against the first frame body 21 or the second frame body 11.

[0056] Optionally, the surface of the first support frame 2 is at least partially covered with a buffer layer. By providing a buffer layer, the buffering performance of the first support frame 2 can be improved, thereby enhancing the safety performance of the mobile fall arrestor.

[0057] In one embodiment of this application, the buffer layer includes, but is not limited to, a rubber buffer layer, a sponge buffer layer, etc.

[0058] The following section further describes the usage process of the mobile fall arrestor.

[0059] The second support frame 1 provides vertical support for the first support frame 2, and the first support frame 2 provides horizontal support. Workers can step on the first support frame 2 or use it to move onto the blade for work. A walking unit is mounted on the second support frame 1 and, under the action of a drive mechanism or manual intervention, can carry both the first and second support frames 1. A buffer layer and a buffer pad enhance the safety performance of the first support frame 2.

[0060] As can be seen from the above description and practice, the mobile fall arrest device provided in this application has the following advantages compared with the prior art: the above-mentioned mobile fall arrest device provides support and protection for operators, improving safety performance; the walking unit can be moved easily, making it convenient to use in different occasions without site restrictions; the mobile fall arrest device does not come into direct contact with the blades, avoiding the risk of blade damage.

[0061] Those skilled in the art should understand that the above description is merely a specific embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the scope of this application should be included within the protection scope of this application.

Claims

1. A mobile fall arrestor, characterized in that, include: First support frame; At least two second support frames, each of which is connected to the first support frame and is arranged at intervals along the length of the first support frame; The walking unit is mounted on the second support frame and is capable of moving and walking in different directions.

2. The mobile fall arrestor according to claim 1, characterized in that: Also includes: The oblique reinforcing ribs are connected at opposite ends to the first support frame and the second support frame, respectively.

3. The mobile fall arrestor according to claim 1 or 2, characterized in that: The first support frame includes a first frame body and a plurality of first reinforcing ribs. The second support frame is connected to the first frame body, and the plurality of first reinforcing ribs are evenly distributed along the length direction within the first frame body.

4. The mobile fall arrestor according to claim 1 or 2, characterized in that: The second support frame includes a second frame body and a plurality of second reinforcing ribs. The second frame body is connected to the first support frame, and the walking unit is connected to the second frame body. The plurality of second reinforcing ribs are evenly distributed along the height direction within the second frame body.

5. The mobile fall arrestor according to claim 4, characterized in that: The width of the second frame body gradually increases from top to bottom.

6. The mobile fall arrestor according to claim 5, characterized in that: The second support frame further includes a plurality of third reinforcing ribs, which are evenly distributed along the width direction within the second frame body.

7. The mobile fall arrestor according to claim 1 or 2, characterized in that: Both the first support frame and the second support frame are made of angle steel.

8. The mobile fall arrestor according to claim 1 or 2, characterized in that: The walking unit is equipped with a locking component, which can be opened and closed to switch the walking unit between a locked state and an unlocked state.

9. The mobile fall arrestor according to claim 1 or 2, characterized in that: The corner where the first support frame and the second support frame connect is covered with a cushioning pad.

10. The mobile fall arrestor according to claim 1 or 2, characterized in that: The surface of the first support frame is at least partially covered with a buffer layer.

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