Hoisting rigging
By designing a lifting sling with fixed counterweight blocks, steel cables, fixing devices, and buffers, the problems of instability and safety hazards in traditional lifting slings during steel pipe lifting are solved. This achieves stable fixing and stress buffering of steel pipes of different diameters, improving the safety and stability of the lifting process.
Patent Information
- Application Number
- CN202423016420.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Traditional wire rope lifting slings are unstable and pose safety hazards when lifting steel pipes, and different sizes of clamps are required for different sizes of steel pipes to ensure stability.
A lifting sling was designed, including a fixed counterweight block, steel cable, fixing device and buffer. The fixing device achieves stable fixation of steel pipes of different diameters through a turntable and locking structure, and the buffer buffers the stress at the moment of lifting.
It achieves stable fixing of steel pipes of different diameters, simplifies the operation process, and avoids breakage at the steel cable connection through the buffer, thereby improving the safety and stability of hoisting.
Smart Images
Figure CN223575918U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hoisting rigging technical field, especially relate to a hoisting rigging. BACKGROUND
[0002] The main role of hoisting rigging is to connect heavy objects to lifting equipment (such as cranes, hoists, hoisting ropes, etc.), and to provide support and suspension. Hoisting rigging needs to have sufficient strength and durability to withstand loads and maintain stability and reliability. At the same time, in order to ensure the safety of use, hoisting rigging needs to comply with relevant safety standards and regulations, and be correctly used and maintained. Common hoisting rigging includes steel wire rope hoisting rigging, chain hoisting rigging, synthetic fiber hoisting rigging, etc. They are widely used in industry, construction, aviation, shipping, etc.
[0003] Traditional steel wire rope hoisting rigging mostly uses the way of bundling to fix the two ends of the steel pipe for hoisting in the process of hoisting the steel pipe. This hoisting method has safety hazards and is unstable in the hoisting process and is easy to fall off the steel pipe. The second way is to match the auxiliary fixing clamp relative to the steel pipe. However, the diameter deviation of different sizes of steel pipes is large. In order to ensure the stability of hoisting, different sizes of hoisting auxiliary clamps need to be replaced when hoisting different sizes of steel pipes. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of hoisting rigging, the fixing device designed in the application can be connected and fixed to the one end of steel pipe of different size and diameter, keep stable in the process of hoisting steel pipe, and the design of buffer can buffer the lifting stress in the moment of lifting steel pipe by the device designed in the application, avoid the fracture of steel cable connection due to long time influence, to solve the problems raised in the above background.
[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of hoisting rigging, including fixed counterweight lifting block, the lower part of fixed counterweight lifting block is symmetrically distributed with two steel cables, and the end of steel cable away from fixed counterweight lifting block is provided with fixed device, and steel pipe body is arranged between the two fixed devices;
[0006] The two ends of steel cable are hinged with buffer between fixed counterweight lifting block and fixed device;
[0007] The fixed device includes fixed sleeve, rotating disc rotatingly connected at one end of fixed sleeve, and handle is fixedly connected outside rotating disc, the inside of fixed device is annularly and equidistantly distributed with clamping plate, the inside of clamping plate is attached to the outside of one end of steel pipe body, and rubber pad is fixed to the side of clamping plate close to steel pipe body;
[0008] The inside of the fixed sleeve is fixed with a fixed support of cross structure near the position of the rotating disc, one end of the clamping plate is fixed with a connecting block near the fixed support, a sliding slot is formed in the fixed support, and the connecting block is slidably connected in the sliding slot.
[0009] Preferably, the rotating disc is provided with a driving groove of arc structure on the side corresponding to the connecting block.
[0010] Preferably, the sliding slot and the connecting block are designed in a cross structure.
[0011] Preferably, a locking structure is arranged between the rotating disc and the fixed sleeve, the locking structure comprises a rotating groove formed in one end of the fixed sleeve, a rotating ring fixed with the rotating disc is rotatably connected in the rotating groove, a plurality of driving lock teeth of arc structure are fixed on the outer ring of the rotating ring at equal distances, a passive lock tooth is arranged between any two driving lock teeth, and the adjacent surfaces of the driving lock teeth and the passive lock tooth are vertically matched.
[0012] Preferably, a receiving groove is formed in the rotating groove and corresponding to the passive lock tooth, the passive lock tooth is movably connected in the receiving groove, a connecting rod is movably connected through the fixed sleeve and corresponding to the receiving groove, the bottom of the connecting rod is fixed with the passive lock tooth, a reset spring is sleeved on the outer part of the connecting rod outside the fixed sleeve, one end of the reset spring is fixed with the connecting rod, and the other end of the reset spring is fixed with the fixed sleeve.
[0013] Preferably, the buffer comprises a buffer rod, a buffer sleeve and a buffer spring, one end of the buffer rod extends into the buffer sleeve, the end of the buffer rod in the buffer sleeve is designed in a T-shaped structure, the buffer spring is sleeved on the outer part of the buffer rod in the buffer sleeve, the end of the buffer rod away from the buffer sleeve is fixedly connected with the steel cable, and one end of the buffer sleeve is hingedly connected with the fixed counterweight lifting block and the fixed sleeve respectively.
[0014] Compared with the prior art, the fixing device designed in the application can be used for sleeving and fixing one end of a steel pipe with different sizes and diameters, can keep the steel pipe stable during hoisting, is simple and convenient to operate, and the buffer can buffer the hoisting stress at the moment when the hoisting machine hoists the steel pipe through the device designed in the application, so that the steel cable connection is prevented from being broken for a long time. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure view of the application.
[0016] Figure 2 It is a whole structure front view of the application.
[0017] Figure 3 It is the sectional view of the fixing device of the utility model;
[0018] Figure 4 It is the combination schematic view of the fixing sleeve and the fixing support of the utility model;
[0019] Figure 5 It is the combination schematic view of the rotating disc and the driving groove of the utility model;
[0020] Figure 6 It is the sectional view of the locking structure of the utility model;
[0021] Figure 7 It is the sectional view of the buffer of the utility model.
[0022] Legend:
[0023] 1, fixed counterweight lifting block, 2, steel cable, 3, buffer, 4, fixing device, 5, handle, 6, steel pipe body, 7, rotating disc, 8, locking structure, 9, fixing sleeve, 10, clamping plate, 11, fixing support, 12, connecting block, 13, sliding groove, 14, driving groove, 15, rotating groove, 16, driving lock tooth, 17, passive lock tooth, 18, storage groove, 19, connecting rod, 20, return spring, 21, rotating ring, 22, buffer rod, 23, buffer sleeve, 24, buffer spring. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Please refer to Figures 1-7 The utility model provides a technical scheme:
[0026] A hoisting rigging, including fixed counterweight lifting block 1, the lower symmetry of fixed counterweight lifting block 1 is distributed with two steel cables 2, and the end of steel cable 2 away from fixed counterweight lifting block 1 is provided with fixing device 4, and two fixing devices 4 are provided with steel pipe body 6 between them;
[0027] The both ends of steel cable 2 are hinged with fixed counterweight lifting block 1 and fixing device 4 and are provided with buffer 3 between them;
[0028] The fixed device 4 comprises a fixed sleeve 9, a rotating disc 7 rotatably connected to one end of the fixed sleeve 9, and a handle 5 fixedly connected to the outside of the rotating disc 7, the inside of the fixed device 4 is annularly and equidistantly distributed with clamping plates 10, the inner side of the clamping plates 10 is attached to the outside of one end of the steel pipe body 6, and rubber pads are fixed to the side of the clamping plates 10 close to the steel pipe body 6;
[0029] A cross-shaped fixed support 11 is fixed to the inside of the fixed sleeve 9 close to the rotating disc 7, one end of the clamping plates 10 close to the fixed support 11 is fixedly connected with a connecting block 12, a sliding groove 13 is formed in the fixed support 11, and the connecting block 12 is slidingly connected in the sliding groove 13.
[0030] Specifically, the rotating disc 7 is close to the connecting block 12, and an arc-shaped driving groove 14 is formed in the corresponding position of the connecting block 12, the connecting block 12 is designed in a cylindrical structure, one end of the connecting block 12 is located in the driving groove 14, and the sliding groove 13 and the connecting block 12 are designed in a cross-shaped structure, and they are mutually matched, first, the user sleeves the fixed sleeve 9 on both ends of the steel pipe body 6, the clamping plates 10 in the fixed sleeve 9 are distributed on the outside of the steel pipe body 6, at this time, the user rotates the rotating disc 7 counterclockwise, the rotating disc 7 is rotated at one end of the fixed sleeve 9 in cooperation with the locking structure 8, at this time, the connecting block 12 in the arc-shaped driving groove 14 on the inner side of the rotating disc 7 is extruded by the arc-shaped structure of the arc-shaped driving groove 14, the connecting block 12 is slidingly limited in displacement in cooperation with the sliding groove 13, and then the clamping plates 10 fixed with the connecting block 12 are simultaneously displaced inward to extrude and wrap the one end of the steel pipe body 6.
[0031] Specific, the rotating disc 7 and the fixed sleeve 9 are provided with locking structure 8, locking includes opening and fixed sleeve 9 one end rotating groove 15, and rotating groove 15 inside rotating connection with rotating disc 7 fixed rotating ring 21, the rotating ring 21 outside annular equidistant fixed with arc structure driving lock tooth 16, wherein two driving lock tooth 16 between provided with passive lock tooth 17, the adjacent surface of the driving lock tooth 16 and passive lock tooth 17 is perpendicular to the surface, the rotating groove 15 in and passive lock tooth 17 corresponding position opening storage groove 18, and passive lock tooth 17 is located inside the storage groove 18 movable connection, the fixed sleeve 9 outside and storage groove 18 corresponding position through and movable connection has connecting rod 19, and connecting rod 19 bottom and passive lock tooth 17 fixed, located outside the fixed sleeve 9 connecting rod 19 outside sleeve has reset spring 20, and one end of reset spring 20 and connecting rod 19 fixed, the other end and fixed sleeve 9 fixed, in order to fix the position of the clamping plate 10, the rotating angle of the rotating disc 7 needs to be limited, so in the rotating process of rotating disc 7 through rotating ring 21 rotating in rotating groove 15, driving lock tooth 16 displacement, counterclockwise rotating driving lock tooth 16 and passive lock tooth 17 arc surface contact extrusion passive lock tooth 17 up to storage groove 18 inside and passive lock tooth 17 dislocation, when the rotating disc 7 stops rotating, the vertical surface of the driving lock tooth 16 and passive lock tooth 17 is opposite to each other, the angle of the rotating disc 7 is limited, after the subsequent use is finished, the rotating disc 7 is released, the user pulls up the connecting rod 19, the passive lock tooth 17 is displaced to the storage groove 18, and is separated from the driving lock tooth 16.
[0032] Specific, the buffer 3 includes buffer rod 22, buffer sleeve 23 and buffer spring 24, wherein one end of the buffer rod 22 extends to the inside of the buffer sleeve 23, the end of the buffer rod 22 inside the buffer sleeve 23 is T-shaped structure design, and the buffer rod 22 outside the buffer sleeve 23 is sleeved with the buffer spring 24, the end of the buffer rod 22 away from the buffer sleeve 23 is fixedly connected with the steel cable 2, one end of the buffer sleeve 23 is hingedly connected with the fixed counterweight lifting block 1 and the fixed sleeve 9, then the lifting device is fixed with the fixed counterweight block through the steel cable 2, the buffer 3 and the fixer 4 to lift the steel pipe body 6, and in order to avoid the damage to the device by the instantaneous lifting force in the lifting process, the buffer rod 22 and the buffer sleeve 23 in the buffer 3 are movably connected to compress the buffer sleeve 23 to buffer the instantaneous lifting force.
[0033] Working principle:
[0034] In use, first, the user sets the fixed sleeve 9 on both ends of the steel pipe body 6, and the clamping plates 10 in the fixed sleeve 9 are distributed outside the steel pipe body 6, at this time, the user rotates the rotating disc 7 counterclockwise, the rotating disc 7 rotates at one end of the fixed sleeve 9 in cooperation with the locking structure 8, at this time, the connecting block 12 in the arc-shaped structure driving groove 14 on the inner side of the rotating disc 7 is extruded by the arc-shaped structure of the arc-shaped structure driving groove 14, the connecting block 12 slides and is limited in displacement in cooperation with the sliding groove 13, and then the clamping plates 10 fixed with the connecting block 12 are simultaneously displaced inward to extrude and fix one end of the steel pipe body 6, the rubber pads designed on the inner side of the clamping plates 10 have three functions, the first function is that the clamping plates 10 are in flexible contact with the steel pipe body 6 to avoid hard contact and mutual friction damage, the second function is that the rubber pads provide friction contact force for the clamping plates 10 and the steel pipe body 6 to keep the two in stable adhesion, and the third function is that the rubber pads have elastic deformation, and when the clamping plates 10 extrude the outer arc surface of the steel pipe body 6, the rubber pads are extruded to be arc-shaped and better adhere to the outer arc surface of the steel pipe body 6, in order to fix the position of the clamping plates 10, the rotating angle of the rotating disc 7 needs to be limited, therefore, the rotating ring 21 rotates in the rotating groove 15 to drive the driving lock teeth 16 to displace during the rotation of the rotating disc 7, the driving lock teeth 16 rotating counterclockwise are in contact with and extrude the arc surface of the passive lock teeth 17, the passive lock teeth 17 are moved upward to the storage groove 18 and are out of position with the passive lock teeth 17, when the rotating disc 7 stops rotating, the vertical surfaces of the driving lock teeth 16 and the passive lock teeth 17 are in contact with each other to limit the angle of the rotating disc 7, after the use is finished, the limitation of the rotating disc 7 is released, the user pulls the connecting rod 19 upward to displace the passive lock teeth 17 to the storage groove 18, and the passive lock teeth 17 can be separated from the driving lock teeth 16, then the hoisting device and the fixed counterweight are fixed, the steel pipe body 6 is hoisted by the steel cable 2, the buffer 3 and the fixer 4, and in order to avoid damage to the device caused by the instantaneous hoisting force during the hoisting process, the buffer rod 22 and the buffer sleeve 23 are movably connected to compress the buffer sleeve 23 to buffer the instantaneous hoisting force.
[0035] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A lifting sling, comprising a fixed counterweight block (1), characterized in that, Two steel cables (2) are symmetrically distributed below the fixed counterweight block (1), and a fixing device (4) is provided at the end of the steel cable (2) away from the fixed counterweight block (1), and a steel pipe body (6) is provided between the two fixing devices (4). Both ends of the steel cable (2) are hinged with buffers (3) between the fixed counterweight block (1) and the fixing device (4); The fixture (4) includes a fixing sleeve (9), a turntable (7) rotatably connected to one end of the fixing sleeve (9), and a handle (5) fixedly connected to the outside of the turntable (7). The fixture (4) has clamps (10) distributed in a ring at equal intervals inside. The inner side of the clamps (10) is attached to the outside of one end of the steel pipe body (6), and a rubber pad is fixed on the side of the clamps (10) close to the steel pipe body (6). A cross-shaped fixing bracket (11) is fixed inside the fixing sleeve (9) near the turntable (7). A connecting block (12) is fixed at one end of the clamp (10) near the fixing bracket (11). A sliding groove (13) is provided inside the fixing bracket (11). The connecting block (12) is located inside the sliding groove (13) and is slidably connected.
2. The lifting sling according to claim 1, characterized in that, The turntable (7) is located on the side close to the connecting block (12), and a drive groove (14) with an arc shape is provided at the position corresponding to the connecting block (12). The connecting block (12) has a cylindrical structure design, and one end of the connecting block (12) is located in the drive groove (14).
3. A lifting sling according to claim 2, characterized in that, The groove (13) and the connecting block (12) are designed in a cross shape and fit together.
4. A lifting sling according to claim 3, characterized in that, A locking structure (8) is provided between the turntable (7) and the fixed sleeve (9). The locking includes a rotating groove (15) at one end of the fixed sleeve (9), and a rotating ring (21) fixed to the turntable (7) is rotatably connected inside the rotating groove (15). The rotating ring (21) is surrounded by arc-shaped active locking teeth (16) at equal intervals. A passive locking tooth (17) is provided between two active locking teeth (16). The adjacent surfaces of the active locking teeth (16) and the passive locking teeth (17) are perpendicular to each other.
5. A lifting sling according to claim 4, characterized in that, A storage groove (18) is opened in the rotating groove (15) at the position corresponding to the passive locking tooth (17), and the passive locking tooth (17) is movably connected inside the storage groove (18). A connecting rod (19) is movably connected through the outside of the fixed sleeve (9) at the position corresponding to the storage groove (18), and the bottom of the connecting rod (19) is fixed to the passive locking tooth (17). A return spring (20) is sleeved on the outside of the connecting rod (19) located outside the fixed sleeve (9), and one end of the return spring (20) is fixed to the connecting rod (19), and the other end is fixed to the fixed sleeve (9).
6. A lifting sling according to claim 5, characterized in that, The buffer (3) comprises a buffer rod (22), a buffer sleeve (23), and a buffer spring (24). One end of the buffer rod (22) extends into the interior of the buffer sleeve (23). The buffer rod (22) located inside the buffer sleeve (23) has a T-shaped structure. The buffer spring (24) is sleeved on the outside of the buffer rod (22) located inside the buffer sleeve (23). The end of the buffer rod (22) away from the buffer sleeve (23) is fixedly connected to the steel cable (2). One end of the buffer sleeve (23) is hinged to the fixed counterweight block (1) and the fixed sleeve (9).