Flat lifting belt for pipeline lifting

Abstract

The utility model relates to the technical field of pipeline lifting, and discloses a pipeline lifting flat sling which comprises a fixing box, a first hand wheel is arranged on the surface of the side end of one side of the fixing box, the outer wall of one side of a worm is in meshed connection with a worm gear, a first rotating rod is fixedly connected into the worm gear, and a winding drum is installed in the middle of the outer wall of the first rotating rod. The end, away from the worm, of the first rotating rod is fixedly connected with a first gear, the outer wall of one side of the first gear is in meshed connection with a second gear, four spring dampers are fixedly connected to the surface of the bottom end of the fixing box, and the ends, away from the fixing box, of the four spring dampers are fixedly connected with the same abutting plate. According to the pipeline hoisting device, the first rotating rod, the second rotating rod and the abutting plate are arranged, the flat hoisting belt body is matched with the abutting plate, a pipeline is fixed, the phenomenon that the pipeline falls off in the hoisting process can be avoided, and safety accidents are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline lifting, in particular to a flat lifting belt for pipeline lifting. Background Art

[0002] A flat sling is a device used to carry and transport heavy objects, and is widely used in industries such as logistics, construction, and manufacturing. Flat slings are an indispensable tool in modern lifting operations, playing a vital role in various industries due to their high strength, lightness, and flexibility.

[0003] During pipeline transportation, flat slings are usually used to lift the pipelines. However, the pipelines are usually hung on the inner wall of the flat slings, so the pipelines can move and cannot be effectively fixed. The pipelines are very easy to fall from the flat slings, which can easily cause safety accidents. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a flat sling for lifting pipelines, which aims to improve the problem that the pipeline is very easy to fall off the flat sling.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a flat sling for pipe lifting, comprising a fixed box, a side end surface of which is provided with a first hand wheel, the first hand wheel passes through the side end of the fixed box and extends to the interior of the fixed box and is fixedly connected to a worm gear. An outer wall of one side of the worm gear is meshed with a worm gear, and an inner portion of the worm gear is fixedly connected to a first rotating rod, and a winding drum is installed in the middle of the outer wall of the first rotating rod, an end of the first rotating rod away from the worm gear is fixedly connected to the first gear, an outer wall of one side of the first gear is meshed with a second gear, and an inner portion of the second gear is fixedly connected to a second rotating rod, the second rotating rod passes through the side end surface of the fixed box and extends to the interior of the fixed box, another winding drum is installed in the middle of the outer wall of the second rotating rod, the two winding drums are wrapped around the same flat sling body, four spring dampers are fixedly connected to the bottom end surface of the fixed box, and the four spring dampers are fixedly connected to the same abutment plate at one end away from the fixed box, another fixed box is provided on the right side of the fixed box, and a spacing adjustment component is provided between the two fixed boxes.

[0006] Preferably, the spacing adjustment assembly includes a fixed cylinder, a threaded rod and an adjusting cylinder, one of the fixed box is fixedly connected to the fixed cylinder in the middle of one end surface adjacent to the first handwheel, a second handwheel is provided on the outer wall of the fixed cylinder, the second handwheel is fixedly connected to the second rotating shaft near one end surface of the fixed cylinder, the second rotating shaft passes through the outer wall of the fixed cylinder and extends to the inside of the fixed cylinder, the outer wall of the second rotating shaft is fixedly connected to the first bevel gear, one side outer wall of the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly connected to the threaded rod away from the bottom end of the first bevel gear, the outer wall of the threaded rod is threadedly connected to the fixing plate, the outer wall of the fixing plate is fixedly connected to the adjusting cylinder, the outer wall of the adjusting cylinder is slidably connected to the inner wall of the fixed cylinder, and the end surface of the adjusting cylinder away from the fixed cylinder is fixedly connected to the other fixed box.

[0007] Preferably, the upper end surfaces of the two fixed boxes are fixedly connected to the lifting rings.

[0008] Preferably, the end surface of the worm away from the first hand wheel is fixedly connected to the first rotating shaft, and the end of the first rotating shaft away from the worm is rotatably connected to the inner wall of the fixed box.

[0009] Preferably, the first gear is arranged outside the fixing box, and a through hole corresponding to the flat sling body is opened at the bottom end of the fixing box.

[0010] Preferably, two telescopic rods are provided between the two fixed boxes.

[0011] Preferably, the inner wall of the fixing cylinder is fixedly connected to a mounting plate, and the second bevel gear is installed inside the mounting plate.

[0012] Preferably, an end surface of the threaded rod away from the second bevel gear is fixedly connected to a limiting plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, through the arrangement of the first rotating rod, the second rotating rod and the abutment plate, the first hand wheel controls the rotation of the first rotating rod through the worm gear and the worm, and then the second rotating rod is rotated in the opposite direction to the first rotating rod through the first gear and the second gear, so that the two reel-ups retract the flat sling, and the pipe can be moved to the bottom end of the abutment plate. The flat sling body cooperates with the abutment plate to fix the pipe, which can prevent the pipe from falling during the lifting process and reduce the occurrence of safety accidents.

[0015] 2. In the present invention, through the setting of the spacing adjustment mechanism, the second hand wheel transmits the rotation to the threaded rod by controlling the second rotating shaft, the first bevel gear and the second bevel gear, so that the fixed plate moves with the adjustment cylinder, thereby changing the spacing between the two fixed boxes, so that the two flat sling bodies can balance pipes of different lengths, further improving the stability of the lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of a flat sling for lifting pipes proposed in the utility model;

[0017] Figure 2 This is a structural schematic diagram of a first rotating rod, a second rotating rod and a winding drum of a flat sling for lifting pipes proposed in the utility model;

[0018] Figure 3 This is a front cross-sectional view of a fixing tube and an adjusting tube of a flat lifting belt for lifting pipes proposed in the utility model;

[0019] Figure 4 This is a structural schematic diagram of the second rotating wheel, threaded rod and fixed plate of a pipeline lifting flat sling proposed by the utility model.

[0020] Legend:

[0021] 1. Fixed box; 2. Lifting ring; 3. Flat sling body; 4. First handwheel; 5. Telescopic rod; 6. Fixed cylinder; 7. Adjusting cylinder; 8. Stop plate; 9. Spring damper; 10. Worm; 11. First rotating shaft; 12. Worm gear; 13. First rotating rod; 14. Winding drum; 15. First gear; 16. Second gear; 17. Second rotating rod; 18. Second rotating shaft; 19. First bevel gear; 20. Second bevel gear; 21. Mounting plate; 22. Threaded rod; 23. Fixed plate; 24. Limit plate; 25. Second handwheel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Reference Figure 1-Figure 2The utility model provides an embodiment: a flat sling for lifting pipes, comprising a fixed box 1, a first hand wheel 4 is provided on the side end surface of one side of the fixed box 1, the first hand wheel 4 passes through the side end of the fixed box 1 and extends to the interior of the fixed box 1 and is fixedly connected to a worm 10, an end surface of the worm 10 away from the first hand wheel 4 is fixedly connected to a first rotating shaft 11, an end of the first rotating shaft 11 away from the worm 10 is rotatably connected to the inner wall of the fixed box 1, an outer wall of one side of the worm 10 is meshed with a worm wheel 12, an interior of the worm wheel 12 is fixedly connected to a first rotating rod 13, a winding drum 14 is installed in the middle of the outer wall of the first rotating rod 13, an end of the first rotating rod 13 away from the worm 10 is fixedly connected to a first gear 15, the first gear 15 is provided on the outside of the fixed box 1, and the first gear 15 One side outer wall is engaged with the second gear 16, and the inside of the second gear 16 is fixedly connected to the second rotating rod 17. The second rotating rod 17 passes through the side end surface of the fixed box 1 and extends to the inside of the fixed box 1. Another winding drum 14 is installed in the middle of the outer wall of the second rotating rod 17. The two winding drums 14 are wrapped around the same flat sling body 3. The bottom end of the fixed box 1 is provided with a through hole corresponding to the flat sling body 3. Four spring dampers 9 are fixedly connected to the bottom end surface of the fixed box 1. The four spring dampers 9 are fixedly connected to the same back plate 8 at one end away from the fixed box 1. The back plate 8 is located in the middle of the through hole, that is, in the middle of the flat sling body 3. Another fixed box 1 is provided on the right side of the fixed box 1, and a spacing adjustment component is provided between the two fixed boxes 1.

[0024] Specifically, the first hand wheel 4 controls the rotation of the worm 10, thereby controlling the rotation of the worm gear 12 and the first rotating rod 13, and then the first gear 15 and the second gear 16 make the second rotating rod 17 rotate in the opposite direction of the first rotating rod 13, so that the two winding drums 14 retract the flat sling body 3, so that the pipe suspended on the inner wall of the flat sling body 3 is lifted so that it contacts the ground of the abutment plate 8. This arrangement uses the inner wall of the flat sling body 3 and the abutment plate 8 to fix the pipe to prevent the pipe from falling.

[0025] Reference Figure 1 、 Figure 3 and Figure 4, the spacing adjustment assembly includes a fixed cylinder 6, a threaded rod 22 and an adjustment cylinder 7. Two telescopic rods 5 are arranged between the two fixed boxes 1. The telescopic rods 5 are convenient for assisting the spacing adjustment assembly to adjust the distance between the two fixed boxes 1. The middle part of the end surface of one fixed box 1 adjacent to the first hand wheel 4 is fixedly connected to the fixed cylinder 6. A second hand wheel 25 is provided on the outer wall of the fixed cylinder 6. The second hand wheel 25 is fixedly connected to the second rotating shaft 18 near the end surface of the fixed cylinder 6. The second rotating shaft 18 passes through the outer wall of the fixed cylinder 6 and extends to the interior of the fixed cylinder 6. The outer wall of the second rotating shaft 18 is fixedly connected to the first bevel gear 19. The outer wall of one side of the first bevel gear 19 is meshed with the second bevel gear 20. The inner wall of the fixed cylinder 6 The mounting plate 21 is fixedly connected, and the second bevel gear 20 is installed inside the mounting plate 21. The mounting plate 21 limits the movement of the fixing plate 23 on the one hand, and provides an installation position for the second bevel gear 20 on the other hand. The second bevel gear 20 is fixedly connected to the threaded rod 22 away from the bottom end of the first bevel gear 19, and the threaded rod 22 is fixedly connected to the limiting plate 24 on one end surface away from the second bevel gear 20. The limiting plate 24 can prevent the fixing plate 23 from falling off. The outer wall of the threaded rod 22 is threadedly connected to the fixing plate 23, and the outer wall of the fixing plate 23 is fixedly connected to the adjusting cylinder 7. The outer wall of the adjusting cylinder 7 is slidably connected to the inner wall of the fixing cylinder 6, and the end surface of the adjusting cylinder 7 away from the fixing cylinder 6 is fixedly connected to another fixing box 1.

[0026] Specifically, the second hand wheel 25 can indirectly control the rotation of the first bevel gear 19, and then transmit the rotation to the threaded rod 22 through the second bevel gear 20, and then the adjustment cylinder 7 can be extended and retracted through the fixed plate 23, thereby realizing the distance adjustment between the two fixed boxes 1, and can provide balanced support for pipelines of different lengths, ensuring the stability of the pipeline during lifting.

[0027] Reference Figure 1 The upper end surfaces of the two fixed boxes 1 are fixedly connected with the lifting rings 2.

[0028] Specifically, the lifting ring 2 is used to lift and fix the box 1.

[0029] Working principle: According to the length of the hoisted pipe, rotating the second hand wheel 25 can control the rotation of the second rotating shaft 18, and then transmit the rotation to the threaded rod 22 through the first bevel gear 19 and the second bevel gear 20, so that the fixed plate 23 can drive the adjusting cylinder 7 to extend and retract, so the distance between the two fixed boxes 1 changes, balancing the stability of pipes of different lengths; then by rotating the first hand wheel 4, the worm 10 drives the worm wheel 12 to rotate, thereby rotating the first rotating rod 13, and then through the first gear 15 and the second gear 16, the rotation direction of the second rotating rod 17 is different from that of the first rotating rod 13, so the two winding drums 14 can make the flat sling body 3 shrink, drive the pipe to move upward, and then abut the pipe through the abutment plate 8, cooperate with the flat sling body 3 to achieve fixation of the pipe.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flat sling for lifting pipes, comprising a fixing box (1), characterized in that: A first hand wheel (4) is provided on the side end surface of one side of the fixed box (1), the first hand wheel (4) passes through the side end of the fixed box (1) and extends to the interior of the fixed box (1) to be fixedly connected to a worm (10), an outer wall of one side of the worm (10) is meshedly connected to a worm wheel (12), the interior of the worm wheel (12) is fixedly connected to a first rotating rod (13), a winding drum (14) is installed in the middle of the outer wall of the first rotating rod (13), an end of the first rotating rod (13) away from the worm (10) is fixedly connected to a first gear (15), an outer wall of one side of the first gear (15) is meshedly connected to a second gear (16), and the second gear (16) The interior of the fixed box (1) is fixedly connected to a second rotating rod (17), the second rotating rod (17) passes through the side end surface of the fixed box (1) and extends to the interior of the fixed box (1), another winding drum (14) is installed in the middle of the outer wall of the second rotating rod (17), and the two winding drums (14) are wound around the same flat sling body (3), and the bottom end surface of the fixed box (1) is fixedly connected to four spring dampers (9), and the ends of the four spring dampers (9) away from the fixed box (1) are fixedly connected to the same abutment plate (8), and another fixed box (1) is arranged on the right side of the fixed box (1), and a spacing adjustment component is provided between the two fixed boxes (1).

2. A pipe lifting flat sling according to claim 1, characterized in that: The spacing adjustment assembly comprises a fixed cylinder (6), a threaded rod (22) and an adjustment cylinder (7); a fixed box (1) is fixedly connected to the fixed cylinder (6) at the middle of one end surface adjacent to the first hand wheel (4); a second hand wheel (25) is provided on the outer wall of the fixed cylinder (6); the second hand wheel (25) is fixedly connected to the second rotating shaft (18) near one end surface of the fixed cylinder (6); the second rotating shaft (18) passes through the outer wall of the fixed cylinder (6) and extends to the interior of the fixed cylinder (6); the outer wall of the second rotating shaft (18) is fixedly connected to the first cone A gear (19), an outer wall of one side of the first bevel gear (19) is meshedly connected to a second bevel gear (20), a bottom end of the second bevel gear (20) away from the first bevel gear (19) is fixedly connected to a threaded rod (22), an outer wall of the threaded rod (22) is threadedly connected to a fixing plate (23), an outer wall of the fixing plate (23) is fixedly connected to an adjusting cylinder (7), an outer wall of the adjusting cylinder (7) is slidably connected to an inner wall of a fixing cylinder (6), and an end surface of the adjusting cylinder (7) away from the fixing cylinder (6) is fixedly connected to another fixing box (1).

3. The flat sling for lifting pipes according to claim 1, characterized in that: The upper end surfaces of the two fixed boxes (1) are both fixedly connected with lifting rings (2).

4. The flat sling for lifting pipes according to claim 1, characterized in that: The end surface of the worm (10) away from the first hand wheel (4) is fixedly connected to the first rotating shaft (11), and the end of the first rotating shaft (11) away from the worm (10) is rotatably connected to the inner wall of the fixed box (1).

5. The flat sling for lifting pipes according to claim 1, characterized in that: The first gear (15) is arranged outside the fixed box (1), and a through hole corresponding to the flat sling body (3) is opened at the bottom end of the fixed box (1).

6. The flat sling for lifting pipes according to claim 1, characterized in that: Two telescopic rods (5) are arranged between the two fixed boxes (1).

7. The flat sling for lifting pipes according to claim 2, characterized in that: The inner wall of the fixed cylinder (6) is fixedly connected to a mounting plate (21), and a second bevel gear (20) is installed inside the mounting plate (21).

8. The flat sling for lifting pipes according to claim 2, characterized in that: An end surface of the threaded rod (22) away from the second bevel gear (20) is fixedly connected to a limiting plate (24).

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