Pulley balance lifting appliance

Abstract

The utility model discloses a pulley balance lifting appliance which is applied to the field of lifting appliances and comprises a base plate, a base block is arranged at the top of the base plate, first fixing blocks are symmetrically welded to the top of the base plate, first connecting ropes are connected between the two sides of the base block and the first fixing blocks in a tying mode, a fixing plate is welded to the bottom of the base plate, and the first connecting ropes are connected with the fixing plates in a tying mode. Four fixing frames are arranged at the bottom of the fixing plate, pulleys are rotatably connected to the interiors of the fixing frames, steel wire ropes are slidably connected to the surfaces of the pulleys, U-shaped plates are symmetrically welded to the back faces of the fixing frames, baffles are arranged in through grooves in the front faces of the fixing frames, and moving plates are arranged on the back faces of the fixing frames. According to the steel wire rope hoisting device, good balance stability can be achieved, the steel wire rope is evenly stressed under the condition of free sliding, a hoisted object is prevented from being bent and broken, safety is high, meanwhile, workers can conveniently take down and load the steel wire rope independently, operation is easy and convenient, the dismounting burden of the workers is relieved, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the field of slings, in particular to a pulley balancing sling. Background Art

[0002] At present, the Chinese utility model with the announcement number CN209052273U discloses a prefabricated beam formwork lifting sling, which belongs to the technical field of bridge and highway construction, and includes a first sling, a second sling and a lifting rope; the second sling is connected to the first sling through the lifting rope, and the second sling is suspended below the first sling; the second sling includes a first connecting part, a first lifting part, and a clamping part; the first connecting part is installed on the first lifting part; the first connecting part is connected to the lifting rope; one end of the clamping part is connected to the first lifting part, and the other end of the clamping part is provided with a clamping member; the clamping part is connected to the prefabricated beam formwork through the clamping member. The prefabricated beam formwork lifting sling provided by this utility model not only solves the efficiency of the lifting and transportation of the prefabricated beam formwork, but also reduces the risk of lifting and transportation of the prefabricated beam formwork;

[0003] Although the existing slings can adjust the position of the lower fixing parts through the limit pins, there are still other problems during use, such as poor stability. The wire rope inside the fixing parts is connected when fixed. Since the number of lifting points of each weight is different, the length of the weight is different and the position of the lifting points is different, if the wire rope cannot slide adaptively, it will cause uneven force on each wire rope after the weight is lifted, which may easily cause the hoisted object to bend or break, and it is inconvenient to collect and put in the wire rope. When the vehicle sling is not in use, it will be lowered appropriately to reduce the roof height. After the sling is lowered, it is easy to cause the wire rope to move down and contact the ground. In order to avoid friction between the wire rope and the ground, personnel are usually required to use tools to remove the wire rope and the fixing parts, and then re-fix them with screws when in use. The operation is cumbersome and complicated. In order to solve the above problems, we propose a pulley balancing sling. Utility Model Content

[0004] The utility model aims to provide a pulley balancing sling, which solves the problems that the existing sling has poor balance stability and is inconvenient for removing and installing the steel wire rope separately.

[0005] The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a pulley balancing sling, comprising a base plate, a base block is provided on the top of the base plate, a first fixed block is symmetrically welded on the top of the base plate, a first connecting rope is connected between the two sides of the base block and the first fixed block, a fixed plate is welded on the bottom of the base plate, four fixed frames are provided on the bottom of the fixed plate, a pulley is rotatably connected to the inside of the fixed frame, a steel wire rope is slidably connected to the surface of the pulley, a U-shaped plate is symmetrically welded on the back of the fixed frame, a baffle is provided in the through groove on the front of the fixed frame, a movable plate is provided on the back of the fixed frame, a connecting rod is welded between the back of the baffle and the movable plate, and a limiting spring is bolted between the back of the movable plate and the U-shaped plate through a spring fixing sheet.

[0006] The above technical solution can achieve good balance and stability, so that the wire rope is evenly stressed during free sliding, avoiding bending and breaking of the suspended objects, and has high safety. At the same time, it can be convenient for personnel to remove and install the wire rope separately. The operation is simple and convenient, which reduces the dismantling burden of personnel and has good practicality.

[0007] The utility model is further configured as follows: heart rings are installed at both ends of the steel wire rope.

[0008] By adopting the above technical solution, the setting of the heart-shaped ring can allow the wire rope to be wound and shuttled back and forth in the sliding groove on its surface, thereby preventing the rope from being excessively worn by surrounding obstacles.

[0009] The utility model is further configured as follows: a connecting piece is welded through the top of the fixing frame, a first limiting groove is provided on the front and back sides of the connecting piece, and a second limiting groove is provided inside the fixing plate.

[0010] By adopting the above technical solution, through the provision of the connecting piece, the first limiting groove and the second limiting groove, it is convenient for personnel to fix the fixing frame to the fixing plate using the limiting pin.

[0011] The utility model is further configured as follows: a second fixing block is welded on the top of the base plate, and a second connecting rope is tied between the bottom of the base block and the second fixing block.

[0012] By adopting the above technical solution, the connection strength between the base plate and the base block can be improved through the provision of the second fixing block and the second connecting rope.

[0013] The utility model is further configured as follows: guide rods are symmetrically welded on the back side of the movable plate, and the other ends of the guide rods penetrate and extend to the back side of the U-shaped plate.

[0014] By adopting the above technical solution, the movable plate and the baffle can be limited by setting the guide rod, thereby preventing the movable plate and the baffle from tilting during the process of moving forward and backward.

[0015] The utility model is further configured as follows: a handle is welded on the back side of the movable plate.

[0016] By adopting the above technical solution and providing the pull handle, it is convenient for personnel to move the movable plate backward.

[0017] The utility model is further configured as follows: the surfaces of the base plate, the base block and the first connecting rope are all coated with anti-corrosion paint.

[0018] By adopting the above technical solution and providing the anti-corrosion coating, the anti-corrosion effect of the surface of the substrate, base block and first connecting rope can be improved, thereby extending the service life of the substrate, base block and first connecting rope.

[0019] In summary, the present invention has the following beneficial effects:

[0020] 1. The utility model lowers the sling when in use. The wire rope moves downward when the sling is first lowered. When the wire rope moves down to contact the weight, the heart-shaped ring is grasped by hand, and then the heart-shaped ring is placed on the hook of the weight. When both ends of the two wire ropes are connected to the weight, the sling is lifted. During the lifting process of the sling, the wire rope will be stretched straight by force. In the stretched state, the short end of the wire rope, that is, the higher end, will be affected by the weight. Under the guidance of gravity, the wire rope will slide along the pulley until the two ends are at the same height, which can achieve good balance and stability, make the wire rope evenly stressed when it slides freely, avoid bending and breaking of the hoisted object, and have high safety.

[0021] 2. The utility model is that when the sling is used, the user grabs the handle with his hand and moves it backward. When the handle is pulled backward, the movable plate will move backward. When the movable plate moves backward, it will not only compress the limit spring to make it enter a contracted state, but also drive the baffle to be retracted into the interior of the fixed frame through the fixation of the connecting rod. When the handle is pulled to the bottom, the wire rope can be taken out of the through slot on the front of the fixed frame with the other hand, which is convenient for personnel to remove and install the wire rope separately. The operation is simple and convenient, which reduces the dismantling burden of personnel and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the use of the utility model wire rope and the heart ring;

[0024] Figure 3 This is a partially enlarged sectional view of the left side of the structure of the utility model;

[0025] Figure 4 It is a partially enlarged cross-sectional view of the structure of the utility model from above.

[0026] Figure numerals: 1. Base plate; 2. Base block; 3. First fixed block; 4. First connecting rope; 5. Fixed plate; 6. Fixed frame; 7. Pulley; 8. Steel wire rope; 9. U-shaped plate; 10. Baffle; 11. Moving plate; 12. Connecting rod; 13. Limiting spring; 14. Heart ring; 15. Connecting piece; 16. First limiting groove; 17. Second limiting groove; 18. Second fixed block; 19. Second connecting rope; 20. Guide rod; 21. Handle. DETAILED DESCRIPTION

[0027] The present invention will be described in further detail below with reference to the accompanying drawings.

[0028] Example 1:

[0029] refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A pulley balancing sling includes a base plate 1, a base block 2 is provided on the top of the base plate 1, a first fixed block 3 is symmetrically welded on the top of the base plate 1, a first connecting rope 4 is connected between the two sides of the base block 2 and the first fixed block 3, a fixing plate 5 is welded on the bottom of the base plate 1, and four fixing frames 6 are provided at the bottom of the fixing plate 5. The internal rotation of the fixing frame 6 is connected to a pulley 7, and the surface of the pulley 7 is slidably connected to a wire rope 8. When the sling is lowered in use, the wire rope 8 moves down, and when the wire rope 8 moves down to contact with the weight, it is used Grab the heart-shaped ring 14 with your hand, and then put the heart-shaped ring 14 on the hook of the heavy object. When both ends of the two wire ropes 8 are connected to the heavy object, lift the sling. During the lifting process of the sling, the wire rope 8 will be stretched straight by the force. When the wire rope 8 is stretched straight, its short end, that is, the higher end, will be affected by the heavy object. Under the guidance of gravity, the wire rope 8 will slide along the pulley 7 until the two ends are at the same height, which can achieve good balance and stability, and make the wire rope 8 evenly stressed when it slides freely, avoiding bending and breaking of the hoisted object, and has high safety.

[0030] refer to Figure 2 Both ends of the steel wire rope 8 are equipped with heart-shaped rings 14. The setting of the heart-shaped rings 14 allows the steel wire rope 8 to be wound and shuttled back and forth in the surface groove thereof, avoiding excessive wear of the rope by surrounding obstacles.

[0031] refer to Figure 1 and Figure 3 A connecting piece 15 is welded through the top of the fixed frame 6, and a first limiting groove 16 is provided on the front and back of the connecting piece 15. A second limiting groove 17 is provided inside the fixed plate 5. Through the arrangement of the connecting piece 15, the first limiting groove 16 and the second limiting groove 17, it is convenient for personnel to fix the fixed frame 6 to the fixed plate 5 with a limiting pin.

[0032] refer to Figure 1A second fixed block 18 is welded to the top of the substrate 1, and a second connecting rope 19 is connected between the bottom of the base block 2 and the second fixed block 18. By setting the second fixed block 18 and the second connecting rope 19, the connection strength between the substrate 1 and the base block 2 can be improved.

[0033] refer to Figure 1 The surfaces of the substrate 1, base block 2 and the first connecting rope 4 are all coated with anti-corrosion coating. Through the setting of the anti-corrosion coating, the anti-corrosion effect of the surface of the substrate 1, base block 2 and the first connecting rope 4 can be improved, thereby extending the service life of the substrate 1, base block 2 and the first connecting rope 4.

[0034] Brief description of the usage process: When using, the wire rope 8 is lowered when the sling is lowered first. When the wire rope 8 moves down and contacts the weight, the heart-shaped ring 14 is grabbed by hand, and then the heart-shaped ring 14 is placed on the hook of the weight. When both ends of the two wire ropes 8 are connected to the weight, the sling is lifted. During the lifting process, the wire rope 8 will be stretched straight by the force. When the wire rope 8 is stretched straight, its short end, that is, the higher end, will be affected by the weight. Under the guidance of gravity, the wire rope 8 will slide along the pulley 7 until the two ends are at the same height.

[0035] Example 2:

[0036] refer to Figure 1 、 Figure 3 and Figure 4 When the sling is in use, the handle 21 is grasped by hand and moved backward, and the handle 21 is pulled back to drive the moving plate 11 to move backward. When the moving plate 11 moves backward, it will not only press the limit spring 13 to make it enter a retracted state, but also drive the baffle 10 to be retracted into the interior of the fixed frame 6 through the fixation of the connecting rod 12. When the handle 21 is pulled to the bottom, the wire rope 8 can be taken out of the through slot on the front of the fixed frame 6 with the other hand, which can facilitate personnel to remove and install the wire rope 8 separately. The operation is simple and convenient, which reduces the burden of dismantling of personnel and has good practicality.

[0037] refer to Figure 3 and Figure 4 A guide rod 20 is symmetrically welded on the back of the movable plate 11, and the other end of the guide rod 20 passes through and extends to the back of the U-shaped plate 9. Through the setting of the guide rod 20, the movable plate 11 and the baffle 10 can be limited to prevent the movable plate 11 and the baffle 10 from tilting during the forward and backward movement.

[0038] refer to Figure 4A handle 21 is welded on the back of the movable plate 11. The setting of the handle 21 makes it easy for personnel to move the movable plate 11 backward.

[0039] Brief description of the usage process: After the sling is used, grab the handle 21 with your hand and move it backward. When the handle 21 is pulled backward, it will drive the movable plate 11 to move backward. When the movable plate 11 moves backward, it will not only compress the limit spring 13 to make it enter a retracted state, but also drive the baffle 10 to be retracted into the interior of the fixed frame 6 through the fixation of the connecting rod 12. When the handle 21 is pulled to the bottom, use your other hand to take out the wire rope 8 from the through slot on the front of the fixed frame 6.

[0040] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A pulley balancing hanger, comprising a base plate (1), characterized in that: A base block (2) is provided on the top of the substrate (1), a first fixed block (3) is symmetrically welded on the top of the substrate (1), a first connecting rope (4) is connected between the two sides of the base block (2) and the first fixed block (3), a fixed plate (5) is welded on the bottom of the substrate (1), four fixed frames (6) are provided on the bottom of the fixed plate (5), a pulley (7) is rotatably connected inside the fixed frame (6), a steel wire rope (8) is slidably connected on the surface of the pulley (7), a U-shaped plate (9) is symmetrically welded on the back of the fixed frame (6), a baffle (10) is provided in the through groove on the front of the fixed frame (6), a movable plate (11) is provided on the back of the fixed frame (6), a connecting rod (12) is welded between the back of the baffle (10) and the movable plate (11), and a limiting spring (13) is bolted between the back of the movable plate (11) and the U-shaped plate (9) through a spring fixing sheet.

2. A pulley balancing hanger according to claim 1, characterized in that: Both ends of the steel wire rope (8) are equipped with heart rings (14).

3. A pulley balancing hanger according to claim 1, characterized in that: A connecting piece (15) is welded through the top of the fixing frame (6), a first limiting groove (16) is provided on the front and back sides of the connecting piece (15), and a second limiting groove (17) is provided inside the fixing plate (5).

4. A pulley balancing hanger according to claim 1, characterized in that: A second fixing block (18) is welded to the top of the base plate (1), and a second connecting rope (19) is connected between the bottom of the base block (2) and the second fixing block (18).

5. The pulley balancing hanger according to claim 1, characterized in that: A guide rod (20) is symmetrically welded to the back of the movable plate (11), and the other end of the guide rod (20) penetrates and extends to the back of the U-shaped plate (9).

6. A pulley balancing hanger according to claim 1, characterized in that: A pull handle (21) is welded to the back of the movable plate (11).

7. The pulley balancing hanger according to claim 1, characterized in that: The surfaces of the base plate (1), base block (2) and first connecting rope (4) are all coated with anti-corrosion paint.

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