High-safety lifting appliance special for pipe pile flange
By designing a special spreader for pipe pile flange with a limiting plate and a motor, the problem of sliding between the inner wall of the pipe pile and the contact part of the spreader in the prior art is solved, and the stability and safety improvement during the lifting process is achieved.
Patent Information
- Application Number
- CN202422329092.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-24
AI Technical Summary
During the lifting process of existing pipe pile flange special slings, the contact parts of the inner wall of the pipe pile and the sling are prone to slide, resulting in an increase in the risk of lifting operations.
A spreader including a spreader body, a limiting disk, a motor, a mounting plate, a bearing, a screw rod and a moving block is designed. The screw rod is driven to rotate through the motor to adjust the position of the moving block and the insertion rod to ensure that the insertion rod is fixed in the through groove of the pipe pile flange and avoid sliding.
By setting up the insertion rod on the limit plate to insert the through groove on the side wall of the pipe pile flange and adjusting the position of the pipe pile pole with the motor, the risk during the lifting process is reduced and the stability and safety of the pipe pile flange during the lifting process is ensured.
Smart Images
Figure CN222974707U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pipe pile lifting tools, and particularly relates to a special pipe pile flange lifting tool with high safety. Background Technique
[0002] The special pipe pile flange lifting tool is mainly used for hoisting and transporting pipe piles, especially those with flange connections. It can ensure the stability and safety of the pipe pile and its flange during the hoisting process, and reduce the damage or accidents that may occur during the hoisting process. The open end of the special pipe pile flange lifting tool is abutted against the inner wall of the pipe pile, and then the through groove on the connecting ear above is connected to the hook, so as to facilitate the hoisting device to hoist and move the pipe pile. However, the device still has the following defects: when the above-mentioned equipment is used, the existing lifting tool is directly inserted into the through groove on the inner wall of the pipe pile, and then the pipe pile is hoisted and moved by the hoisting device. During the movement, the contact part between the inner wall of the pipe pile and the lifting tool is prone to sliding, thus bringing risks to the hoisting operation. Content of the Utility Model
[0003] The purpose of the utility model is to provide a special pipe pile flange lifting tool with high safety, aiming to solve the problem that when the above-mentioned equipment is used in the prior art, the existing lifting tool is directly inserted into the through groove on the inner wall of the pipe pile, and then the pipe pile is hoisted and moved by the hoisting device. During the movement, the contact part between the inner wall of the pipe pile and the lifting tool is prone to sliding, thus bringing risks to the hoisting operation.
[0004] To achieve the above purpose, the utility model provides the following technical solution: a special pipe pile flange lifting tool with high safety, including: a lifting tool body, a limiting disc is connected to one side of the lifting tool body, a motor is installed on the top of the lifting tool body, the transmission shaft of the motor penetrates through the mounting plate and a bearing is sleeved at the intersection, the transmission shaft of the motor is connected to a lead screw by bolts, a moving block is threadedly connected to the surface of the lead screw, an extension rod is connected to one side of the moving block, the other side of the extension rod is connected to a vertical rod by a fixing bolt, the bottom of the vertical rod is connected to an adjusting shaft, the front end of the adjusting shaft horizontally penetrates through and is connected to a limiting frame, a connecting ring is sleeved at the front end of the adjusting shaft, an ear on the surface of the connecting ring is rotatably connected to a first connecting rod by a first rotating shaft, the other side of the first connecting rod is rotatably connected to a second connecting rod by a second rotating shaft, the other side of the second connecting rod is rotatably connected to an inserting rod by a third rotating shaft, and the inserting rod is slidably connected to the limiting disc.
[0005] In order to drive the lead screw to rotate by the motor so that the moving block thereon moves, as a preferred embodiment of the special pipe pile flange lifting tool with high safety of the utility model, the motor, the mounting plate, the bearing, the lead screw and the moving block form a threaded connection structure.
[0006] In order to use the cross bar between the mounting plates to limit the parallel movement of the moving block, as an optimal choice for a special sling for pipe pile flanges with high safety in the present utility model, a circular through groove is opened at the upper end of the side wall of the moving block, and its shape and size match the cross bar between the two mounting plates, and a sliding connection structure is formed between the moving block and the cross bar of the mounting plate.
[0007] In order to use the connecting ear and the first rotating shaft on the limiting ring to enable the first connecting rod to rotate thereon, as an optimal choice for a special sling for pipe pile flanges with high safety in the present utility model, six groups of connecting ears are provided on the outer side of the connecting ring, and a rotating connection structure is formed by the connecting ring, the first rotating shaft and the first connecting rod.
[0008] In order to use the sliding groove on the limiting disk to facilitate the adjustment of the position of the insertion rod, as an optimal choice for a special sling for pipe pile flanges with high safety in the present utility model, six sliding grooves are annularly distributed on the surface of the limiting disk, and their shape and size match the insertion rod.
[0009] In order to use five insertion rods except the top insertion rod to adjust the position and fix the pipe pile flange, as an optimal choice for a special sling for pipe pile flanges with high safety in the present utility model, the six insertion rods are annularly distributed on the surface of the limiting disk, and all the insertion rods except the top insertion rod penetrate through the surface sliding grooves.
[0010] Compared with the prior art, the beneficial effects of the present utility model are:
[0011] By inserting the insertion rod on the limiting disk on one side into the through groove on the side wall of the pipe pile flange to be hoisted, and at the same time inserting the open end of the sling body into the inner wall of the pipe pile flange to fix its position, the risk during the hoisting process is reduced;
[0012] Utilize the motor arranged at the top of the sling body to start and drive the connected lead screw to rotate, thereby adjusting the position of the moving block, and further enabling the connected adjusting shaft to drive several rotating shafts and connecting rods to rotate, thereby adjusting the position of the insertion rod on the limiting disk, so that the insertion rod can fix pipe pile flanges of various models. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings are used to provide further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:
[0014] Figure 1 is the front view structural schematic diagram of the present utility model;
[0015] Figure 2 is the front view sectional structural schematic diagram of the present utility model;
[0016] Figure 3 is the side view sectional structural schematic diagram of the present utility model;
[0017] Figure 4 This is a partially enlarged sectional structural schematic diagram of the adjusting shaft and the limiting frame of the present utility model.
[0018] In the figure: 1, sling body; 2, limiting disc; 3, motor; 4, mounting plate; 5, bearing; 6, lead screw; 7, moving block; 8, extension rod; 9, vertical rod; 10, adjusting shaft; 11, limiting frame; 12, connecting ring; 13, first rotating shaft; 14, first connecting rod; 15, second rotating shaft; 16, second connecting rod; 17, third rotating shaft; 18, inserting rod. Specific embodiments
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1-4 , the present utility model provides the following technical solutions: A special sling for pipe pile flanges with high safety, comprising: a sling body 1, a limiting disc 2 is connected to one side of the sling body 1, a motor 3 is installed on the top of the sling body 1, the transmission shaft of the motor 3 penetrates through the mounting plate 4 and a bearing 5 is sleeved at the intersection, the transmission shaft of the motor 3 is connected to the lead screw 6 by bolts, a moving block 7 is threadedly connected to the surface of the lead screw 6, an extension rod 8 is connected to one side of the moving block 7, the other side of the extension rod 8 is connected to a vertical rod 9 by a fixing bolt, the bottom of the vertical rod 9 is connected to an adjusting shaft 10, the front end of the adjusting shaft 10 horizontally penetrates and is connected to a limiting frame 11, a connecting ring 12 is sleeved on the front end of the adjusting shaft 10, an ear on the surface of the connecting ring 12 is rotatably connected to a first connecting rod 14 by a first rotating shaft 13, the other side of the first connecting rod 14 is rotatably connected to a second connecting rod 16 by a second rotating shaft 15, the other side of the second connecting rod 16 is rotatably connected to an inserting rod 18 by a third rotating shaft 17, and the inserting rod 18 is slidably connected to the limiting disc 2.
[0021] Preferably: The motor 3, the mounting plate 4, the bearing 5, the lead screw 6 and the moving block 7 form a threaded connection structure.
[0022] During specific use, start the motor 3 so that it drives the connected lead screw 6 to rotate on the bearing 5 inside the mounting plate 4, thereby causing the moving block 7 to move on the lead screw 6.
[0023] Preferably: A circular through-hole is opened at the upper end of the side wall of the moving block 7, and its shape and size match the cross bar between the two mounting plates 4, and the cross bar between the moving block 7 and the mounting plate 4 forms a sliding connection structure.
[0024] During specific use, the cross bar arranged between the two mounting plates 4 enables the moving block 7 to move parallelly on the lead screw 6 under the threaded action of the lead screw 6.
[0025] Preferably: Six groups of connecting lugs are arranged on the outer side of the connecting ring 12, and the connecting ring 12, the first rotating shaft 13 and the first connecting rod 14 form a rotary connection structure.
[0026] During specific use, the six groups of connecting lugs outside the connecting ring 12 facilitate the fixed connection between the connecting ring 12 and the first rotating shaft 13.
[0027] Preferably: Six chutes are annularly distributed on the surface of the limiting disk 2, and the shape and size thereof are consistent with those of the inserting rod 18.
[0028] During specific use, the chutes opened on the surface of the limiting disk 2 facilitate adjusting the position of the inserting rod 18 thereon, so as to adjust the diameter of the ring formed by the six inserting rods 18.
[0029] Preferably: The six inserting rods 18 are annularly distributed on the surface of the limiting disk 2, and except for the top inserting rod 18, the other inserting rods 18 all penetrate through the chutes on the surface of the limiting disk 2.
[0030] During specific use, the cooperation between the bearing 5 and the inserting rod 18 penetrating through the limiting disk 2 facilitates inserting into the pipe pile flange to fix its position.
[0031] Working principle: When the pipe pile flange needs to be moved, the opening end of the lifting tool body 1 is abutted against the two opening parts of the pipe pile flange, and then the motor 3 is started to drive the connected lead screw 6 to rotate on the bearing 5 inside the mounting plate 4, so as to drive the moving block 7 to move parallelly on the lead screw 6. When the moving block 7 moves, the extension rod 8 and the vertical rod 9 connected to the other side thereof drive the connected adjusting shaft 10 to move together, so that the adjusting shaft 10 moves under the limitation of the limiting frame 11 on one side of the limiting disk 2. When it moves, the first connecting rod 14 and the second connecting rod 16 on the connecting ring 12 sleeved on the front end thereof drive the inserting rod 18 to expand and contract on the limiting disk 2 through the rotating actions of the connected first rotating shaft 13, the second rotating shaft 15 and the third rotating shaft 17, so as to adjust the diameter of the inserting rod 18 according to the model of the pipe pile flange to be hoisted, and enable the five annularly distributed inserting rods 18 to be inserted into the through slots of the pipe pile flange to further fix its position and avoid the danger caused by its displacement during the hoisting process.
[0032] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A special lifting device for pipe pile flange with high safety, comprising: The sling body (1) is characterized in that: one side of the sling body (1) is connected to a limit plate (2), a motor (3) is installed on the top of the sling body (1), a transmission shaft of the motor (3) passes through a mounting plate (4) and a bearing (5) is sleeved at the intersection, the transmission shaft of the motor (3) is connected to a screw rod (6) by a bolt, the surface of the screw rod (6) is threadedly connected to a moving block (7), one side of the moving block (7) is connected to an extension rod (8), the other side of the extension rod (8) is connected to a vertical rod (9) by a fixing bolt, and the bottom of the vertical rod (9) is connected to an adjustment shaft (10), the front end of the adjusting shaft (10) passes through the connecting limit frame (11) transversely, the front end of the adjusting shaft (10) is sleeved with a connecting ring (12), the connecting ear on the surface of the connecting ring (12) is rotatably connected to a first connecting rod (14) by means of a first rotating shaft (13), the other side of the first connecting rod (14) is rotatably connected to a second connecting rod (16) by means of a second rotating shaft (15), the other side of the second connecting rod (16) is rotatably connected to an insertion rod (18) by means of a third rotating shaft (17), and the insertion rod (18) is slidably connected to the limit plate (2).
2. The special lifting device for pipe pile flange with high safety according to claim 1 is characterized in that: The motor (3), the mounting plate (4), the bearing (5), the screw rod (6) and the moving block (7) form a threaded connection structure.
3. The special lifting device for pipe pile flange with high safety according to claim 1 is characterized in that: A circular through groove is provided at the upper end of the side wall of the moving block (7), the shape and size of which are consistent with the cross bar between the two mounting plates (4), and the cross bar between the moving block (7) and the mounting plate (4) forms a sliding connection structure.
4. The special lifting device for pipe pile flange with high safety according to claim 1 is characterized in that: Six groups of connection ears are provided on the outer side of the connection ring (12), and the connection ring (12), the first rotating shaft (13) and the first connecting rod (14) form a rotating connection structure.
5. The special lifting device for pipe pile flange with high safety according to claim 1 is characterized in that: The surface of the limiting plate (2) has six sliding grooves distributed in an annular manner and the shape and size of the grooves are consistent with those of the insertion rod (18).
6. The special lifting device for pipe pile flange with high safety according to claim 1 is characterized in that: The six insertion rods (18) are distributed in an annular manner on the surface of the limiting plate (2), and except for the top insertion rod (18), the other insertion rods (18) all pass through the surface slide groove of (2).