Multi-fulcrum balance beam

Abstract

The utility model relates to the technical field of hoisting, in particular to a multi-fulcrum balance beam which comprises a balance rod, an adjusting device is arranged at the bottom of the balance rod and comprises a limiting rod, a limiting groove and a positioning groove are formed in the limiting rod, and a movable support and a fixed support are arranged in the limiting groove. A first threaded cylinder and a second threaded cylinder are arranged in the movable support, a first threaded rod is arranged in the first threaded cylinder, and a second threaded rod is arranged in the second threaded cylinder. According to the multi-fulcrum balance beam, a second threaded cylinder, a second threaded rod and a rotating disc are used, so that the effect of pushing a fixing block to move is achieved, the effect of fixing a movable support is achieved through matched use of the fixing block, a positioning groove and a positioning groove, and the effect of conveniently adjusting the movable support is achieved by forming a limiting groove; and the position of a lifting point can be quickly changed, so that the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting, in particular to a multi-support point balance beam. Background Art

[0002] The balance beam is an important component of lifting equipment and is widely used in lifting projects. The balance beam, also known as the iron shoulder pole, can be used to maintain the balance of the hoisted equipment to prevent the sling from damaging the equipment; shorten the height of the sling and reduce the lifting height of the movable pulley; reduce the horizontal pressure on the equipment during lifting to avoid damage to the equipment.

[0003] Currently, there are existing balance beams, but the lifting ears are directly welded to the balance beam body. When lifting objects of different sizes and weights, the balance beam needs to be remade, resulting in low work efficiency. In addition, the upper lifting ears are mostly connected by welding, and the rust on the surface of the connecting shaft cannot be cleaned, resulting in a serious reduction in its service life. Therefore, a multi-support point balance beam is urgently needed to improve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a multi-support point balance beam to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a multi-point balance beam, including a balance rod, an adjustment device is provided at the bottom of the balance rod, the adjustment device includes a limit rod, a limit groove and a positioning groove are provided inside the limit rod, a movable bracket and a fixed bracket are provided inside the limit groove, a first threaded barrel and a second threaded barrel are provided inside the movable bracket, a first threaded rod is provided inside the first threaded barrel, a second threaded rod is provided inside the second threaded barrel, a turntable is provided at one end of the second threaded rod, a fixed block is provided at the other end of the second threaded rod, a positioning bar is provided on one side of the fixed block, and a handle is provided at one end of the first threaded rod.

[0007] The utility model is further configured as follows: the limiting rod is fixedly connected to the bottom of the balance rod, the movable bracket is slidably connected to the inside of the limiting groove, the fixed bracket is fixedly connected to the limiting rod, and the positioning bar is adapted to the positioning groove.

[0008] By adopting the above technical solution, the movable bracket is slidably connected to the inside of the limiting groove, which makes it easy to change the hanging point.

[0009] The utility model is further configured as follows: the first threaded barrel and the second threaded barrel are both fixedly connected to the inside of the movable bracket, the first threaded rod is rotatably connected to the inside of the limiting rod, and the fixed block is rotatably connected to one end of the second threaded rod.

[0010] By adopting the above technical solution, the first threaded rod is rotatably connected to the inside of the limiting rod, which facilitates the movement of the movable bracket.

[0011] The utility model is further configured as follows: a connecting device is provided at the top of the balance pole, the connecting device includes a mounting plate, a connecting shaft is provided on one side of the mounting plate, a connecting plate is provided on one side of the connecting shaft, mounting shafts are provided on both sides of the connecting plate, a mounting bracket is provided on the outside of the mounting shaft, a threaded hole is provided inside the connecting shaft, an internal angle bolt is provided inside the threaded hole, a protective sleeve is provided on the outside of the connecting shaft, and a limiting hole is provided inside the connecting plate.

[0012] By adopting the above technical solution, a connecting shaft is provided on one side of the mounting plate, which facilitates the fixing of the cable.

[0013] The utility model is further configured as follows: one end of the connecting shaft is fixedly connected to the mounting plate, the mounting plate and the mounting frame are both fixedly connected to the top of the balance pole, the mounting shaft is rotatably connected to the inside of the mounting frame, and the connecting shaft is fixedly connected to the connecting plate.

[0014] By adopting the above technical solution, the mounting shaft is rotatably connected to the inside of the mounting frame, which facilitates the rotation of the connecting plate.

[0015] The utility model is further configured as follows: the protective sleeve is rotatably connected to the outside of the connecting shaft, one end of the connecting shaft away from the mounting plate is clamped in the inside of the limiting hole, and the threaded hole is adapted to the internal angle bolt.

[0016] By adopting the above technical solution, the threaded hole is adapted to the internal angle bolt, which plays a role of limiting.

[0017] In summary, the beneficial technical effects of the present invention are:

[0018] 1. The multi-support point balance beam, through the cooperation of the first threaded rod, the first threaded cylinder and the handle, plays the role of driving the sliding of the movable bracket; through the use of the second threaded cylinder, the second threaded rod and the turntable, plays the role of pushing the fixed block to move; through the cooperation of the fixed block, the positioning groove and the positioning groove, plays the role of fixing the movable bracket; by providing the limit groove, plays the role of facilitating the adjustment of the movable bracket. By using the above structure, the position of the hanging point can be quickly changed, thereby effectively improving work efficiency;

[0019] 2. The multi-point balance beam, through the coordinated use of the mounting plate, the connecting plate and the limiting hole, plays the role of fixing the mounting connecting shaft; through the coordinated use of the mounting frame and the mounting shaft, plays the role of rotating the connecting plate; through the coordinated use of the connecting shaft, the threaded hole and the internal angle bolt, plays the role of installing the protective cover; by adding the protective cover, plays the role of delaying rust covering the connecting shaft; by using the above structure, when the protective cover is rusted, the protective cover can be quickly replaced, and the connecting shaft can be delayed from being covered by rust, thereby extending its service life.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 It is a structural diagram of the limit rod of the utility model;

[0024] Figure 3 It is a structural diagram of the mobile bracket of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the second threaded rod of the utility model;

[0026] Figure 5 It is a structural diagram of the connection device of the utility model;

[0027] Figure 6 It is a structural diagram of the mounting plate of the utility model;

[0028] Figure 7 It is a structural schematic diagram of the connecting plate of the utility model.

[0029] In the figure: 1. Balance bar; 2. Adjustment device; 3. Limit rod; 4. Limit slot; 5. Positioning slot; 6. Movable bracket; 7. Fixed bracket; 8. First threaded cylinder; 9. Second threaded cylinder; 10. First threaded rod; 11. Second threaded rod; 12. Turntable; 13. Fixed block; 14. Positioning bar; 15. Handle; 16. Connecting device; 17. Mounting plate; 18. Connecting shaft; 19. Connecting plate; 20. Mounting shaft; 21. Mounting bracket; 22. Threaded hole; 23. Internal angle bolt; 24. Protective cover; 25. Limiting hole. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] Example 1

[0032] Reference Figures 1 to 4 , is a multi-support balance beam disclosed by the utility model, comprising a balance bar 1, an adjusting device 2 is provided at the bottom of the balance bar 1, the adjusting device 2 comprises a limit rod 3, a limit groove 4 and a positioning groove 5 are provided inside the limit rod 3, a movable bracket 6 and a fixed bracket 7 are provided inside the limit groove 4, a first threaded cylinder 8 and a second threaded cylinder 9 are provided inside the movable bracket 6, a first threaded rod 10 is provided inside the first threaded cylinder 8, a second threaded rod 11 is provided inside the second threaded cylinder 9, a turntable 12 is provided at one end of the second threaded rod 11, a fixed block 13 is provided at the other end of the second threaded rod 11, a positioning bar 14 is provided on one side of the fixed block 13, and a handle 15 is provided at one end of the first threaded rod 10. In this embodiment, the limit rod 3 serves to facilitate the sliding of the movable bracket 6, the positioning groove 5 serves to limit the position, and the first threaded rod 10 serves to drive the movable bracket 6 to slide.

[0033] Reference Figures 1 to 4 The limiting rod 3 is fixedly connected to the bottom of the balance rod 1, the movable bracket 6 is slidably connected to the inside of the limiting groove 4, the fixed bracket 7 is fixedly connected to the limiting rod 3, and the positioning bar 14 is adapted to the positioning groove 5. In this embodiment, the fixed bracket 7 plays the role of cooperating with the movable bracket 6, and the positioning bar 14 plays the role of fixing the movable bracket 6.

[0034] Reference Figure 1 and Figure 3 The first threaded cylinder 8 and the second threaded cylinder 9 are both fixedly connected to the inside of the movable bracket 6, the first threaded rod 10 is rotatably connected to the inside of the limiting rod 3, and the fixed block 13 is rotatably connected to one end of the second threaded rod 11. In this embodiment, the second threaded rod 11 plays a role in pushing the fixed block 13 to move, and the fixed block 13 plays a role in facilitating the positioning bar 14 to be embedded in the positioning groove 5.

[0035] Reference Figure 5 、 Figure 6 and Figure 7A connecting device 16 is provided at the top of the balance pole 1, and the connecting device 16 includes a mounting plate 17, a connecting shaft 18 is provided on one side of the mounting plate 17, a connecting plate 19 is provided on one side of the connecting shaft 18, mounting shafts 20 are provided on both sides of the connecting plate 19, and a mounting frame 21 is provided on the outside of the mounting shaft 20. A threaded hole 22 is provided inside the connecting shaft 18, and an internal angle bolt 23 is provided inside the threaded hole 22. A protective cover 24 is provided on the outside of the connecting shaft 18, and a limiting hole 25 is provided inside the connecting plate 19. In this embodiment, the mounting plate 17 plays the role of installing the connecting shaft 18, the connecting shaft 18 plays the role of connecting the cable, and the protective cover 24 plays the role of protecting the connecting shaft 18.

[0036] Reference Figure 5 、 Figure 6 and Figure 7 One end of the connecting shaft 18 is fixedly connected to the mounting plate 17, the mounting plate 17 and the mounting bracket 21 are both fixedly connected to the top of the balance pole 1, the mounting shaft 20 is rotatably connected to the inside of the mounting bracket 21, and the connecting shaft 18 is fixedly connected to the connecting plate 19. In this embodiment, the mounting bracket 21 serves to facilitate the rotation of the connecting plate 19, and the connecting plate 19 serves to clamp the connecting shaft 18.

[0037] Reference Figure 5 and Figure 6 The protective cover 24 is rotatably connected to the outside of the connecting shaft 18, and the end of the connecting shaft 18 away from the mounting plate 17 is clamped in the inside of the limiting hole 25. The threaded hole 22 is adapted to the internal angle bolt 23. In this embodiment, the threaded hole 22 plays the role of adapting the internal angle bolt 23, and the internal angle bolt 23 plays the role of preventing the connecting shaft 18 from shaking.

[0038] The implementation principle of this embodiment is:

[0039] When it is necessary to hoist workpieces with different centers of gravity, the handle 15 is used to drive the first threaded rod 10 to rotate, and the first threaded rod 10 is used in conjunction with the first threaded cylinder 8 to drive the movable bracket 6 to slide, so as to change the position of the lifting point, which can effectively reduce the damage to the balance beam. After the position of the movable bracket 6 is moved to the appropriate position, the turntable 12 is rotated, and the turntable 12 is used to drive the second threaded rod 11 to push the fixed block 13 to move, so that the positioning bar 14 on one side of the fixed block 13 is embedded in the interior of the positioning groove 5. The positioning bar 14 is completely fitted into the positioning groove 5, which can effectively prevent the movable bracket 6 from sliding accidentally. The fixed block 13 is rotatably connected to one end of the second threaded rod 11, which facilitates the positioning bar 14 to be embedded in the positioning groove 5. The movable bracket 6 is used in conjunction with the fixed bracket 7 to hoist the workpiece.

[0040] When rust appears on the outer surface of the protective cover 24, first use a tool to remove the internal angle bolt 23 inside the threaded hole 22, and then rotate the connecting plate 19. When the connecting plate 19 rotates, the mounting shaft 20 rotates inside the mounting bracket 21, and one end of the connecting shaft 18 falls off from the inside of the limiting hole 25. Then, slide and remove the protective cover 24 on the outer surface of the connecting shaft 18. If the rust is not severe, use an angle grinding tool to clean the rust. When there is a large area of ​​rust, the protective cover 24 needs to be replaced. When installing the protective cover 24, a part of butter can be stored inside the protective cover 24 to prevent rust. During the entire maintenance process, there is no need to grind the connecting shaft 18, which can prevent the connecting shaft 18 from breaking due to wear and can extend its service life.

[0041] Compared with the prior art, the present invention has the following beneficial effects:

[0042] The first threaded rod 10, the first threaded cylinder 8 and the handle 15 are used in conjunction with each other to drive the mobile bracket 6 to slide. The second threaded cylinder 9, the second threaded rod 11 and the turntable 12 are used to push the fixed block 13 to move. The fixed block 13, the positioning groove 5 and the positioning groove 5 are used in conjunction with each other to fix the mobile bracket 6. The limit groove 4 is provided to facilitate the adjustment of the mobile bracket 6. By using the above structure, the position of the hanging point can be quickly changed, thereby effectively improving the work efficiency. The connection plate 19 is used in conjunction with the limiting hole 25 to fix the connecting shaft 18. The connection frame 21 is used in conjunction with the installation shaft 20 to rotate the connecting plate 19. The connection shaft 18, the threaded hole 22 and the internal angle bolt 23 are used in conjunction with each other to install the protective cover 24. By adding the protective cover 24, the rust covering of the connecting shaft 18 is delayed. By using the above structure, when the protective cover 24 is rusted, the protective cover 24 can be quickly replaced, and the connection shaft 18 can be delayed from being covered by rust, thereby extending its service life.

[0043] The embodiments of this specific implementation method are all preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A multi-support balance beam, characterized in that: The invention comprises a balancing rod (1), wherein an adjusting device (2) is provided at the bottom of the balancing rod (1), wherein the adjusting device (2) comprises a limiting rod (3), wherein a limiting groove (4) and a positioning groove (5) are provided inside the limiting rod (3), wherein a movable bracket (6) and a fixed bracket (7) are provided inside the limiting groove (4), wherein a first threaded cylinder (8) and a second threaded cylinder (9) are provided inside the movable bracket (6), wherein a first threaded rod (10) is provided inside the first threaded cylinder (8), wherein a second threaded rod (11) is provided inside the second threaded cylinder (9), wherein a turntable (12) is provided at one end of the second threaded rod (11), wherein a fixing block (13) is provided at the other end of the second threaded rod (11), wherein a positioning strip (14) is provided on one side of the fixing block (13), and wherein a handle (15) is provided at one end of the first threaded rod (10).

2. The multi-support balance beam according to claim 1, characterized in that: The limiting rod (3) is fixedly connected to the bottom of the balancing rod (1), the movable bracket (6) is slidably connected to the inside of the limiting groove (4), the fixed bracket (7) is fixedly connected to the limiting rod (3), and the positioning strip (14) is adapted to the positioning groove (5).

3. The multi-support balance beam according to claim 1, characterized in that: The first threaded barrel (8) and the second threaded barrel (9) are both fixedly connected to the inside of the movable bracket (6), the first threaded rod (10) is rotatably connected to the inside of the limiting rod (3), and the fixed block (13) is rotatably connected to one end of the second threaded rod (11).

4. The multi-support balance beam according to claim 1, characterized in that: A connecting device (16) is provided at the top of the balancing pole (1), and the connecting device (16) includes a mounting plate (17). A connecting shaft (18) is provided on one side of the mounting plate (17), a connecting plate (19) is provided on one side of the connecting shaft (18), mounting shafts (20) are provided on both sides of the connecting plate (19), a mounting frame (21) is provided on the outside of the mounting shaft (20), a threaded hole (22) is provided inside the connecting shaft (18), an internal angle bolt (23) is provided inside the threaded hole (22), a protective sleeve (24) is provided on the outside of the connecting shaft (18), and a limiting hole (25) is provided inside the connecting plate (19).

5. The multi-support balance beam according to claim 4, characterized in that: One end of the connecting shaft (18) is fixedly connected to the mounting plate (17), the mounting plate (17) and the mounting frame (21) are both fixedly connected to the top of the balancing pole (1), the mounting shaft (20) is rotatably connected to the inside of the mounting frame (21), and the connecting shaft (18) is fixedly connected to the connecting plate (19).

6. The multi-support balance beam according to claim 4, characterized in that: The protective sleeve (24) is rotatably connected to the outside of the connecting shaft (18), and one end of the connecting shaft (18) away from the mounting plate (17) is clamped inside the limiting hole (25), and the threaded hole (22) is adapted to the internal angle bolt (23).

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