Anti-falling safety device for hanging beam of pneumatic hoist
By designing support frames, chains and connection plates in the pneumatic hoist hanging beam, the shaking and drop problems caused by the connection rope and hook are not on the same center line when hanging heavy objects, and a more stable suspension and use are achieved.
Patent Information
- Application Number
- CN202420927386.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-29
AI Technical Summary
When hanging heavy objects on the pneumatic hoist hangs, the connecting rope and hook are not on the same center line, causing the heavy objects to shake, causing the pneumatic hoist and hook to be affected by the offset force, which leads to falling.
A pneumatic hoist hanging beam anti-fall safety device is designed, including support frame, chain and connection plate. Through auxiliary hooks, limit rods, slide balls and arc grooves, the stability of hooks and connecting ropes is improved and the stability of hooks and connecting ropes is reduced. Friction and shaking to prevent falling.
It effectively improves the stability of hanging heavy objects in pneumatic hoist hanging beams, reduces the occurrence of fall, and protects the interests of heavy objects and users.
Smart Images
Figure CN222293431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pneumatic hoists, in particular to a pneumatic hoist beam anti-fall safety device. Background Art
[0002] A pneumatic hoist is a device that drives air to make the internal mechanism reach the working requirements of lifting heavy objects. When the hoist is started and used, there is a chance that it will fall due to the hanging heavy objects, causing damage to the heavy objects.
[0003] According to the "Pneumatic hoist beam anti-fall safety device" with Chinese patent publication number CN206553091U, it mainly describes that the problem of falling of the existing pneumatic hoist during long-term use is solved by arranging a first support plate, a second support plate, a clamping plate, a bolt, a first nut, a reverse threaded rod, a second nut, a third support plate, a movable plate, a connecting column, a baffle, a spring, a clamping rod and a clamping groove. The pneumatic hoist beam anti-fall safety device has the advantage of anti-fall, avoids the damage of the lifted object due to the fall of the pneumatic hoist, protects the economic interests of the user, and facilitates the use of the user. In this process, the connecting rope for hanging the heavy object and the hook of the pneumatic hoist are not on the same center line, resulting in the heavy object shaking when the pneumatic hoist hook pulls up the heavy object, thereby causing the pneumatic hoist and the hook to shake due to the offset force, and even the falling phenomenon occurs.
[0004] Therefore, a pneumatic hoist beam anti-fall safety device is proposed to solve the problem that during this process, the connecting rope for hanging the heavy object and the hook of the pneumatic hoist are not on the same center line, resulting in the heavy object shaking when the pneumatic hoist hook pulls up the heavy object, thereby causing the pneumatic hoist and the hook to shake due to the offset force, and even fall. Utility Model Content
[0005] The technical problem to be solved by the utility model is as follows: in this process, the connecting rope for hanging the heavy object and the hook of the pneumatic hoist are not on the same center line, which causes the heavy object to shake when the pneumatic hoist hook pulls up the heavy object, thereby causing the pneumatic hoist and the hook to shake due to the offset force, and even fall. Therefore, a pneumatic hoist beam anti-fall safety device is proposed.
[0006] The technical solution adopted by the utility model to solve the technical problem is: a pneumatic hoist beam anti-fall safety device, including a support frame, a chain and a connecting plate, the bottom end of the connecting plate is fixedly connected with a main hook, the four sides of the upper end of the connecting plate are fixedly connected with electric push rods, the output end of the electric push rod is fixedly connected to the support frame, the four sides of the bottom end of the support frame are rotatably connected with auxiliary hooks, the main hook is in contact with a connecting ring, the bottom end of the connecting ring is fixedly connected with the support plate, the bottom side of the support plate is provided with a storage frame, the side of the support plate opposite to the storage frame is fixedly connected with a connecting ring, a connecting rope is fixedly connected between the opposite connecting rings, a fixing ring is sleeved on the connecting rope, the fixing ring is sleeved with an auxiliary hook, the auxiliary hook is inserted with a through hole and the through hole is located on the connecting plate.
[0007] As a preferred technical solution of the utility model, the connecting plate is located in the through hole and is rotatably embedded with a sliding ball, and the sliding ball contacts the auxiliary hook. By providing the sliding ball, the friction force of the auxiliary hook plugging into the through hole is reduced.
[0008] As a preferred technical solution of the utility model, two limit rods are threadedly connected to the connecting plate, and the limit rods are in contact with the main hook. By setting the limit rods, the main hook can be limited to improve the stability of the main hook hanging heavy objects.
[0009] As a preferred technical solution of the utility model, a pad is fixedly connected to the bottom end of the connecting plate, and an arc-shaped groove is provided on the pad, and the arc-shaped groove corresponds to the annular area of the auxiliary hook. By arranging the pad to cooperate with the arc-shaped groove, the limiting of the connecting rope can be improved, and the stable limiting of the connecting rope can be improved.
[0010] As a preferred technical solution of the utility model, a support rod is fixedly connected to the upper side of the auxiliary hook, a ball is rotatably embedded in the upper end of the support rod and the ball contacts the support frame, and the stability of the auxiliary hook is improved by setting the support rod.
[0011] The utility model has the following advantages: auxiliary hooks are installed on the four sides of the main hook, the fixing ring is limited by the through hole, and then the fixing ring limits the connecting rope of the storage frame, so that the storage frame is limited on the four sides, the stability of the storage frame is improved, and the falling phenomenon of the pneumatic hoist beam is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a side view cross-sectional structural diagram of a pneumatic hoist beam anti-fall safety device of a preferred embodiment of the utility model;
[0013] Figure 2 It is a three-dimensional structural schematic diagram of the connection plate of the pneumatic hoist beam anti-fall safety device of a preferred embodiment of the utility model;
[0014] Figure 3 It is a schematic diagram of the enlarged structure of position A of a pneumatic hoist beam anti-fall safety device in a preferred embodiment of the utility model.
[0015] Explanation of the reference numerals: 1. support frame; 2. chain; 3. connecting plate; 4. electric push rod; 5. auxiliary hook; 6. limit rod; 7. main hook; 8. connecting ring; 9. support plate; 10. storage frame; 11. connecting ring; 12. connecting rope; 13. fixing ring; 14. through hole; 15. sliding ball; 16. pad; 17. support rod. DETAILED DESCRIPTION
[0016] The utility model will be further described below in conjunction with the accompanying drawings.
[0017] Please refer to Figure 1-3 The pneumatic hoist beam anti-fall safety device shown comprises a support frame 1, a chain 2 and a connecting plate 3, the bottom end of the connecting plate 3 is fixedly connected with a main hook 7, the four sides of the upper end of the connecting plate 3 are fixedly connected with electric push rods 4, the output end of the electric push rod 4 is fixedly connected to the support frame 1, the electric push rod 4 can drive the support frame 1 and the connecting plate 3 to move relatively away, the four sides of the bottom end of the support frame 1 are rotatably connected with auxiliary hooks 5, the auxiliary hooks 5 are connected with the fixing ring 13, can limit the connecting rope 12, can provide further connection for the connecting rope 12, thereby stabilizing the storage frame 1 0, a connecting ring 8 is in contact with the main hook 7, a supporting plate 9 is fixedly connected to the bottom end of the connecting ring 8, a storage frame 10 is arranged on the bottom side of the supporting plate 9, connecting rings 11 are fixedly connected to the sides of the supporting plate 9 opposite to the storage frame 10, a connecting rope 12 is fixedly connected between the opposite connecting rings 11, a fixing ring 13 is sleeved on the connecting rope 12, the fixing ring 13 is sleeved on the auxiliary hook 5, the auxiliary hook 5 is inserted with a through hole 14 and the through hole 14 is located on the connecting plate 3, the auxiliary hook 5 is inserted into the through hole 14, the bottom side of the auxiliary hook 5 can be closed, thereby improving the stability of the storage frame 10.
[0018] The auxiliary hook 5 contacts the sliding ball 15 , and the sliding ball 15 is rotatably embedded in the through hole 14 of the connecting plate 3 . The friction between the auxiliary hook 5 and the through hole 14 can be reduced by providing the sliding ball 15 .
[0019] Among them, the main hook 7 is in contact with the limiting rod 6, and the limiting rod 6 is threadedly connected to the connecting plate 3. By setting the limiting rod 6, the main hook 7 can be limited, the shaking of the main hook 7 can be reduced, and the stability of the storage frame 10 can be improved.
[0020] Among them, the annular area of the auxiliary hook 5 corresponds to the arc-shaped groove, the arc-shaped groove is located on the pad 16, and the pad 16 is fixedly connected to the bottom end of the connecting plate 3. By setting the pad 16 and the arc-shaped groove, the fixed ring 13 can be limited, so as to facilitate the connection of the connecting rope 12, thereby improving the stability of the storage frame 10, thereby reducing the shaking of the pneumatic hoist and reducing the falling phenomenon of the pneumatic hoist beam.
[0021] The support frame 1 is in contact with the ball, and the ball is rotatably embedded in the upper end of the support rod 17 . The support rod 17 is fixedly connected to the upper side of the auxiliary hook 5 . The stability of the auxiliary hook 5 can be improved by providing the support rod 17 .
[0022] Working principle: connect the main hook 7 with the connecting ring 8, then connect the connecting rope 12 with the fixing ring 13 and limit it through the auxiliary hook 5. At this time, start the electric push rod 4, the support frame 1 moves up, and the auxiliary hook 5 moves up. At this time, one end of the auxiliary hook 5 is inserted into the through hole 14, and the fixing ring 13 contacts the arc-shaped groove of the cushion block 16, thereby stabilizing the limiting connecting rope 12, and making the storage frame 10 stably bear the heavy objects, and improving the stability between the main hook 7 and the chain 2, reducing the shaking of the pneumatic hoist, and reducing the falling phenomenon of the pneumatic hoist beam.
[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.
[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A pneumatic hoist beam anti-fall safety device, comprising a support frame (1), a chain (2) and a connecting plate (3), wherein the bottom end of the connecting plate (3) is fixedly connected with a main hook (7), characterized in that: The four sides of the upper end of the connection plate (3) are fixedly connected to electric push rods (4), the output end of the electric push rod (4) is fixedly connected to the support frame (1), the four sides of the bottom end of the support frame (1) are rotatably connected to auxiliary hooks (5), the main hook (7) is in contact with a connection ring (8), the bottom end of the connection ring (8) is fixedly connected to a support plate (9), the bottom side of the support plate (9) is provided with a storage frame (10), the side of the support plate (9) opposite to the storage frame (10) is fixedly connected to a connection ring (11), a connection rope (12) is fixedly connected between the opposite connection rings (11), a fixing ring (13) is sleeved on the connection rope (12), the fixing ring (13) is sleeved with the auxiliary hook (5), the auxiliary hook (5) is inserted with a through hole (14), and the through hole (14) is located on the connection plate (3).
2. The pneumatic hoist beam anti-fall safety device according to claim 1, characterized in that: The connecting plate (3) is located in the through hole (14) and is rotatably embedded with a sliding ball (15), and the sliding ball (15) is in contact with the auxiliary hook (5).
3. The pneumatic hoist beam anti-fall safety device according to claim 2, characterized in that: Two limiting rods (6) are threadedly connected to the connecting plate (3), and the limiting rods (6) are in contact with the main hook (7).
4. The pneumatic hoist beam anti-fall safety device according to claim 3, characterized in that: A cushion block (16) is fixedly connected to the bottom end of the connection plate (3), and an arc-shaped groove is formed on the cushion block (16), and the arc-shaped groove corresponds to the annular area of the auxiliary hook (5).
5. The pneumatic hoist beam anti-fall safety device according to claim 4, characterized in that: The upper side of the auxiliary hook (5) is fixedly connected to a support rod (17), and a round ball is rotatably embedded in the upper end of the support rod (17), and the round ball is in contact with the support frame (1).