An intelligent and safe lifting system

Abstract

The present invention relates to the technical field of hoisting equipment, and specifically to an intelligent and safe hoisting system, comprising a fixed frame, a pair of support rods, a pair of connecting rods, a pair of supporting plates, two pairs of baffles and a driving mechanism for driving the supporting rods to rotate, wherein the fixed frame comprises a frame and a U-shaped plate, the top of the U-shaped plate is fixedly connected to the bottom of the frame, one end of the supporting rod is rotatably connected to the inner wall of the U-shaped plate, the connecting rod is located at the bottom of the support rod, the top of the supporting plate is fixedly connected to the bottom of the connecting rod, the two pairs of baffles are respectively installed on the tops of the two supporting plates, the driving mechanism is located in the frame, and also comprises a pair of extension plates, a pair of arc guide rails, a pair of semicircular plates, a pair of bolts and a pair of nuts. In order to facilitate the adjustment of the size of the supporting plate and the rotation angle of the clamp arm, the present invention rotates the extension plate to make it fit with the supporting plate, thereby expanding the size of the supporting plate, and the connecting rod can be slid along the support rod to make its side wall fit with the surface of the object, thereby preventing the object from shaking inside the clamp.

Description

Technical Field

[0001] The present invention relates to the technical field of slings, and in particular to an intelligent and safe hoisting system. Background Art

[0002] A sling refers to a device used in lifting machinery to lift heavy objects. The most commonly used slings for lifting finished objects are hooks and slings. Others include lifting rings, lifting suction cups, clamps and forks, which are widely used in the lifting and hoisting industry.

[0003] As a common lifting device, the clamp needs to move the support plate at the bottom of the clamp to the bottom of the lifting object during the lifting process, so as to limit the position of the lifting object inside the clamp, so as to achieve the purpose of making the object move with the clamp. Most existing lifting devices are not convenient for adjusting the size of the support plate, resulting in poor stability when lifting large objects, and it is not convenient to rotate the angle of the clamp arm, so that the contact area between the clamp and the side wall of the object is small, which easily causes the object to shake inside the clamp, and there is a risk of the object falling. Therefore, the present invention provides an intelligent safety lifting device that can adjust the size of the support plate and rotate the angle of the clamp arm. Summary of the invention

[0004] The object of the present invention is to provide an intelligent safety lifting device which can adjust the size of a supporting plate and rotate the angle of a clamp arm, thereby increasing the contact area between the clamp and the lifted object.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] Provided is an intelligent safety lifting system, comprising a fixed frame, a pair of support rods, a pair of connecting rods, a pair of supporting plates, two pairs of baffles and a driving mechanism for driving the supporting rods to rotate, wherein the fixed frame comprises a frame body and a U-shaped plate, the top of the U-shaped plate is fixedly connected to the bottom of the frame body, one end of the supporting rod is rotatably connected to the inner wall of the U-shaped plate, the connecting rod is located at the bottom of the supporting rod, the top of the supporting plate is fixedly connected to the bottom of the connecting rod, the two pairs of baffles are respectively installed on the tops of the two supporting plates, the driving mechanism is located in the frame body, and further comprises a pair of extension plates, a pair of arc guide rails, a pair of semicircular plates, a pair of bolts and a For the nut, one end of the extension plate is hinged to the supporting plate, the top of one end of the arc guide rail is fixedly connected to the supporting plate, an arc hole is opened at the top of the extension plate, the arc hole is slidably connected to the arc guide rail, one side of the semicircular plate is fitted with the arc guide rail, and a pair of circular holes are opened on one side of the arc guide rail. When the extension plate is located at the bottom of the supporting plate, the bottom of the semicircular plate is fixedly connected to the top of the extension plate, the bolt passes through the semicircular plate and one of the circular holes and is threadedly connected to the nut, when one end of the extension plate is fitted with the supporting plate, the semicircular plate is located at the bottom of the extension plate, the bolt passes through the semicircular plate and the other circular hole and is threadedly connected to the nut.

[0007] Preferably, it also includes a pair of rotating shafts, a pair of sleeves, a pair of electric push rods and a pair of pressure sensors, the sleeve is rotatably connected to the outer periphery of the rotating shaft, one end of the telescopic rod in the electric push rod is fixedly connected to the side wall of the sleeve, an empty groove and a slide groove are provided at the bottom of the support rod, the slide groove is connected to the empty groove, one end of the electric push rod is fixedly connected to the inner wall of the empty groove, the rotating shaft is slidably connected to the slide groove, the top of the connecting rod is located in the empty groove and has a groove, the sleeve is located in the groove, the rotating shaft passes through the connecting rod and is rotatably connected to the connecting rod, two pressure sensors are respectively installed at the opposite ends of the two connecting rods, and the pressure sensor is electrically connected to the electric push rod.

[0008] Preferably, it also includes a pair of square plug rods, a plurality of square plug holes are opened on one side of the support rod, the square plug holes are connected with the empty slots and the slide slots, a limiting hole is opened on one side of the rotating shaft, and the square plug rods are plugged into and matched with the square plug holes and the limiting holes.

[0009] Preferably, the driving mechanism includes a slider, a pair of racks and a pair of gears, the two racks are respectively installed at both ends of the slider, the two gears are respectively installed on the top of the two support rods, the gears are meshed with the racks, and a square groove is opened on the bottom wall of the frame, and the square groove is slidably connected to the slider.

[0010] Preferably, the driving mechanism further comprises a fixed block, two sides of which are fixedly connected to the inner wall of the square groove, and one side of the sliding block is provided with a through groove, which is slidably connected to the fixed block.

[0011] Preferably, the driving mechanism further comprises a first hydraulic rod, the top of the first hydraulic rod is fixedly connected to the top wall of the frame, and one end of the telescopic rod inside the first hydraulic rod is fixedly connected to the top of the sliding block.

[0012] Preferably, the driving mechanism further comprises a support plate, the top of the support plate is fixedly connected to the top wall of the frame, and one end of the first hydraulic rod passes through the support plate and is fixedly connected thereto.

[0013] Preferably, it further comprises a second hydraulic rod and a pressure block, wherein the second hydraulic rod is mounted at the bottom of the sliding block, and the top of the pressure block is fixedly connected to the bottom of the telescopic rod inside the second hydraulic rod.

[0014] Preferably, it also includes a cylinder, which is installed on the top of the frame and has a threaded groove on the top.

[0015] Beneficial effects of the present invention:

[0016] 1. In order to adjust the size of the support plate of the sling during the lifting of objects, the present invention rotates the extension plate along the arc guide rail to one side of the support plate and fits with the support plate, and then moves the bolt to pass through the semicircular plate and the circular hole on the end of the arc guide rail away from the support plate, and is threadedly connected with the nut, thereby fixing the extension plate to one side of the support plate, so as to expand the area of ​​the support plate and improve the stability when lifting objects.

[0017] 2. When lifting the object, in order to prevent the object from shaking in the clamp, it is necessary to adjust the angle of the clamp arm, move the support plate to the bottom of the object, pull out the square rod, and the connecting rod rotates to the bottom under the action of gravity. Then, energize the electric push rod to drive the rotating shaft to slide to the top in the slide groove, and the rotating shaft rotates in the sleeve. The two connecting rods approach each other and fit against the side wall of the lifted object. After the pressure sensor senses the pressure, it controls the electric push rod to be fixed through the electrical connection with the electric push rod, and then insert the square rod into the square slot and the limit slot to prevent the connecting rod from continuing to rotate, thereby rotating the two connecting rods to fit against the side wall of the object and fix them. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 .

[0020] Figure 2 It is a schematic diagram of the disassembly of the frame and the slider structure of the present invention.

[0021] Figure 3 The three-dimensional structure of the present invention is shown in FIG. Figure 2 .

[0022] Figure 4 The three-dimensional structure of the present invention is shown in FIG. Figure 3 .

[0023] Figure 5 It is a schematic diagram of the disassembly of the support rod and the connecting rod structure of the present invention.

[0024] Figure 6 The three-dimensional structure of the present invention is shown in FIG. Figure 4 .

[0025] Figure 7 It is a schematic diagram of the disassembly of the supporting plate and the extension plate structure of the present invention.

[0026] In the figure:

[0027] 1. Support rod; 2. Connecting rod; 3. Support plate; 4. Baffle; 5. Frame; 6. U-shaped plate; 7. Extension plate; 8. Arc guide rail; 9. Semicircular plate; 10. Bolt; 11. Nut; 12. Arc hole; 13. Round hole; 14. Rotating shaft; 15. Sleeve; 16. Electric push rod; 17. Pressure sensor; 18. Empty slot; 19. Slide slot; 20. Groove; 21. Square plug rod; 22. Square plug hole; 23. Limit hole; 24. Slider; 25. Rack; 26. Gear; 27. Square slot; 28. Fixed block; 29. ​​Through slot; 30. First hydraulic rod; 31. Support plate; 32. Second hydraulic rod; 33. Press block; 34. Cylinder; 35. Threaded groove. Implementation

[0028] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0029] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0030] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figures 1 to 7 As shown:

[0033] An intelligent safety lifting system comprises a fixing frame, a pair of support rods 1, a pair of connecting rods 2, a pair of supporting plates 3, two pairs of baffles 4 and a driving mechanism for driving the support rod 1 to rotate, the fixing frame comprises a frame 5 and a U-shaped plate 6, the top of the U-shaped plate 6 is fixedly connected to the bottom of the frame 5, one end of the support rod 1 is rotatably connected to the inner wall of the U-shaped plate 6, the connecting rod 2 is located at the bottom of the support rod 1, the top of the supporting plate 3 is fixedly connected to the bottom of the connecting rod 2, the two pairs of baffles 4 are respectively installed on the tops of the two supporting plates 3, the driving mechanism is located in the frame 5, and is characterized in that it also comprises a pair of extension plates 7, a pair of arc guide rails 8, a pair of semicircular plates 9, a pair of bolts 10 and a pair of nuts 11, One end of the extension plate 7 is hinged to the supporting plate 3, and the top of one end of the arc guide rail 8 is fixedly connected to the supporting plate 3. An arc hole 12 is provided at the top of the extension plate 7, and the arc hole 12 is slidably connected to the arc guide rail 8. One side of the semicircular plate 9 is fitted with the arc guide rail 8, and a pair of circular holes 13 are provided on one side of the arc guide rail 8. When the extension plate 7 is located at the bottom of the supporting plate 3, the bottom of the semicircular plate 9 is fixedly connected to the top of the extension plate 7, and the bolt 10 passes through the semicircular plate 9 and one of the circular holes 13 and is threadedly connected to the nut 11. When one end of the extension plate 7 is fitted with the supporting plate 3, the semicircular plate 9 is located at the bottom of the extension plate 7, and the bolt 10 passes through the semicircular plate 9 and the other circular hole 13 and is threadedly connected to the nut 11.

[0034] In order to adjust the size of the support plate 3 of the sling during the lifting of objects, the present invention rotates the extension plate 7 to make it rotate along the arc guide rail 8 to one side of the support plate 3 and fit with the support plate 3, and then moves the bolt 10 to pass through the semicircular plate 9 and the circular hole 13 on the end of the arc guide rail 8 away from the support plate 3, and is threadedly connected with the nut 11, thereby fixing the extension plate 7 to one side of the support plate 3, so as to expand the area of ​​the support plate 3.

[0035] like Figures 1 to 5 As shown:

[0036] It also includes a pair of rotating shafts 14, a pair of sleeves 15, a pair of electric push rods 16 and a pair of pressure sensors 17. The sleeve 15 is rotatably connected to the outer periphery of the rotating shaft 14. One end of the telescopic rod in the electric push rod 16 is fixedly connected to the side wall of the sleeve 15. An empty groove 18 and a slide groove 19 are provided at the bottom of the support rod 1. The slide groove 19 is communicated with the empty groove 18. One end of the electric push rod 16 is fixedly connected to the inner wall of the empty groove 18. The rotating shaft 14 is slidably connected to the slide groove 19. The top of the connecting rod 2 is located in the empty groove 18 and is provided with a groove 20. The sleeve 15 is located in the groove 20. The rotating shaft 14 passes through the connecting rod 2 and is rotatably connected thereto. Two pressure sensors 17 are respectively installed at the opposite ends of the two connecting rods 2. The pressure sensor 17 is electrically connected to the electric push rod 16.

[0037] It also includes a pair of square plug rods 21, a plurality of square plug holes 22 are opened on one side of the support rod 1, the square plug holes 22 are connected with the empty slots 18 and the slide slots 19, and a limiting hole 23 is opened on one side of the rotating shaft 14, and the square plug rods 21 are plugged into and matched with the square plug holes 22 and the limiting holes 23.

[0038] When lifting the object, in order to prevent the object from shaking in the clamp, it is necessary to adjust the angle of the clamp arm, move the supporting plate 3 to the bottom of the object, pull out the square plug rod 21, and the connecting rod 2 rotates to the bottom under the action of gravity, then energize the electric push rod 16 to drive the rotating shaft 14 to slide to the top in the slide groove 19, and the rotating shaft 14 rotates in the sleeve 15. The two connecting rods 2 approach each other and fit against the side wall of the lifted object. After the pressure sensor 17 senses the pressure, it controls the electric push rod 16 to be fixed through the electrical connection between it and the electric push rod 16, and then insert the square plug rod 21 into the square slot and the limit slot to prevent the connecting rod 2 from continuing to rotate, thereby rotating the two connecting rods 2 to fit against the side wall of the object and fix it.

[0039] like Figures 1 to 4 As shown:

[0040] The driving mechanism includes a slider 24, a pair of racks 25 and a pair of gears 26. The two racks 25 are respectively installed at both ends of the slider 24, and the two gears 26 are respectively installed on the top of the two support rods 1. The gears 26 are meshed with the racks 25. The bottom wall of the frame 5 is provided with a square groove 27, and the square groove 27 is slidably connected to the slider 24.

[0041] The driving mechanism further includes a fixed block 28 , both sides of which are fixedly connected to the inner wall of the square groove 27 , and a through groove 29 is formed on one side of the slider 24 , and the through groove 29 is slidably connected to the fixed block 28 .

[0042] The driving mechanism further includes a first hydraulic rod 30 , the top of which is fixedly connected to the top wall of the frame 5 , and one end of the telescopic rod inside the first hydraulic rod 30 is fixedly connected to the top of the slider 24 .

[0043] The driving mechanism further includes a support plate 31 , the top of which is fixedly connected to the top wall of the frame 5 , and one end of the first hydraulic rod 30 passes through the support plate 31 and is fixedly connected thereto.

[0044] When lifting objects, in order to move the supporting plate 3 to the bottom of the objects, firstly, the first hydraulic rod 30 is operated. Under the fixation of the supporting plate 31, the telescopic rod inside the first hydraulic rod 30 drives the slider 24 to slide downward stably in the square groove 27, and the fixed block 28 slides in the through groove 29. The rack 25 moves with the slider 24, and the meshing transmission of the rack 25 and the gear 26 drives the supporting rod 1 to rotate toward the top, so that the clamping arms of the clamp are opened to both ends, and then the frame 5 is moved to conveniently move the supporting plate 3 to the bottom of the object.

[0045] like Figures 1 to 3 As shown:

[0046] It also includes a second hydraulic rod 32 and a pressure block 33 . The second hydraulic rod 32 is installed at the bottom of the slide block 24 , and the top of the pressure block 33 is fixedly connected to the bottom of the telescopic rod inside the second hydraulic rod 32 .

[0047] Considering that when lifting objects, the objects will slide down between the two connecting rods 2 to the bottom and fit with the top of the supporting plate 3. In order to prevent the objects from moving up and down, the second hydraulic rod 32 is activated, and the telescopic rod inside it pushes the pressure block 33 downward to press against the objects, so that the objects move up and down.

[0048] like Figure 1 to Figure 2 As shown:

[0049] The frame 5 further comprises a cylinder 34 , which is mounted on the top of the frame 5 , and a threaded groove 35 is formed on the top of the cylinder 34 .

[0050] In order to facilitate the installation of the frame 5 on the lifting mechanism, the present invention can be directly threadedly connected to the lifting mechanism through the threaded groove 35 on the top of the cylinder 34, or can be threadedly connected to the pull ring, and then used in conjunction with the hook through the pull ring.

[0051] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. An intelligent safety lifting system, comprising a fixed frame, a pair of support rods (1), a pair of connecting rods (2), a pair of support plates (3), two pairs of baffles (4) and a driving mechanism for driving the support rods (1) to rotate, the fixed frame comprising a frame (5) and a U-shaped plate (6), the top of the U-shaped plate (6) is fixedly connected to the bottom of the frame (5), one end of the support rod (1) is rotatably connected to the inner wall of the U-shaped plate (6), the connecting rod (2) is located at the bottom of the support rod (1), the top of the support plate (3) is fixedly connected to the bottom of the connecting rod (2), the two pairs of baffles (4) are respectively installed on the tops of the two support plates (3), the driving mechanism is located in the frame (5), and is characterized in that: The invention also comprises a pair of extension plates (7), a pair of arc-shaped guide rails (8), a pair of semicircular plates (9), a pair of bolts (10) and a pair of nuts (11), one end of the extension plate (7) is hinged to the support plate (3), the top of one end of the arc-shaped guide rail (8) is fixedly connected to the support plate (3), the top of the extension plate (7) is provided with an arc-shaped hole (12), the arc-shaped hole (12) is slidably connected to the arc-shaped guide rail (8), one side of the semicircular plate (9) is in contact with the arc-shaped guide rail (8), and one side of the arc-shaped guide rail (8) is provided with a With respect to the circular hole (13), when the extension plate (7) is located at the bottom of the supporting plate (3), the bottom of the semicircular plate (9) is fixedly connected to the top of the extension plate (7), the bolt (10) passes through the semicircular plate (9) and one of the circular holes (13) and is threadedly connected to the nut (11); when one end of the extension plate (7) is in contact with the supporting plate (3), the semicircular plate (9) is located at the bottom of the extension plate (7), the bolt (10) passes through the semicircular plate (9) and the other circular hole (13) and is threadedly connected to the nut (11).

2. The intelligent safety lifting system according to claim 1, characterized in that: The invention also comprises a pair of rotating shafts (14), a pair of sleeves (15), a pair of electric push rods (16) and a pair of pressure sensors (17). The sleeves (15) are rotatably connected to the outer periphery of the rotating shafts (14). One end of the telescopic rod in the electric push rod (16) is fixedly connected to the side wall of the sleeve (15). A hollow groove (18) and a slide groove (19) are provided at the bottom of the support rod (1). The slide groove (19) is communicated with the hollow groove (18). One end of the electric push rod (16) is fixedly connected to the inner wall of the hollow groove (18). The rotating shaft (14) is slidably connected to the slide groove (19). The top of the connecting rod (2) is located in the hollow groove (18) and is provided with a groove (20). The sleeve (15) is located in the groove (20). The rotating shaft (14) passes through the connecting rod (2) and is rotatably connected thereto. Two pressure sensors (17) are respectively mounted on opposite ends of the two connecting rods (2). The pressure sensors (17) are electrically connected to the electric push rod (16).

3. The intelligent safety lifting system according to claim 2, characterized in that: It also comprises a pair of square plug rods (21), a plurality of square plug holes (22) are provided on one side of the support rod (1), the square plug holes (22) are connected to the empty slots (18) and the slide slots (19), a limiting hole (23) is provided on one side of the rotating shaft (14), and the square plug rods (21) are plugged and matched with the square plug holes (22) and the limiting hole (23).

4. The intelligent safety lifting system according to claim 1, characterized in that: The driving mechanism comprises a slider (24), a pair of racks (25) and a pair of gears (26); the two racks (25) are respectively mounted on both ends of the slider (24); the two gears (26) are respectively mounted on the tops of the two support rods (1); the gears (26) are meshed with the racks (25); a square groove (27) is formed on the bottom wall of the frame (5); and the square groove (27) is slidably connected to the slider (24).

5. The intelligent safety lifting system according to claim 4, characterized in that: The driving mechanism further comprises a fixed block (28), both sides of which are fixedly connected to the inner wall of the square groove (27), and a through groove (29) is formed on one side of the sliding block (24), and the through groove (29) is slidably connected to the fixed block (28).

6. The intelligent safety lifting system according to claim 4, characterized in that: The driving mechanism further comprises a first hydraulic rod (30), the top of the first hydraulic rod (30) being fixedly connected to the top wall of the frame (5), and one end of the telescopic rod inside the first hydraulic rod (30) being fixedly connected to the top of the slide block (24).

7. The intelligent safety lifting system according to claim 6, characterized in that: The driving mechanism further comprises a support plate (31), the top of the support plate (31) being fixedly connected to the top wall of the frame (5), and one end of the first hydraulic rod (30) passing through the support plate (31) and being fixedly connected thereto.

8. The intelligent safety lifting system according to claim 4, characterized in that: It also includes a second hydraulic rod (32) and a pressure block (33), wherein the second hydraulic rod (32) is mounted on the bottom of the slide block (24), and the top of the pressure block (33) is fixedly connected to the bottom of the telescopic rod inside the second hydraulic rod (32).

9. The intelligent safety lifting system according to claim 1, characterized in that: It also includes a cylinder (34), which is mounted on the top of the frame (5), and a threaded groove (35) is formed on the top of the cylinder (34).

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