Dual emergency locking device

Abstract

The utility model relates to the field of locking devices, and discloses a dual emergency locking device which comprises a base, a locking mechanism and a locking mechanism. The two universal wheels are fixedly installed at the positions, close to the two ends, of the bottom of the base respectively, a supporting rod is fixedly installed at the top of the base, and a mounting plate is fixedly installed at the top of the supporting rod; the sleeve is fixedly mounted at the top of the mounting plate, and a main rod is rotationally mounted in the sleeve; the locking assembly is arranged at the end of the sleeve and used for locking the main rod in the sleeve, and first locking is achieved through cooperation of a screw and a round hole and cooperation of a locking rod and a locking hole A; when the screw is rotated into the hexagon nut, the bottom of the screw is rotated into the round hole in the outer wall of the main rod through the hollow groove in the top of the sleeve, further locking is achieved, the double locking mechanism greatly improves the locking reliability, and the dangerous situations that due to locking failure under complex working conditions, heavy objects are out of control and fall, and shaking is aggravated are effectively prevented; and the safety of hoisting operation is ensured.

Description

Technical Field

[0001] This utility model relates to the field of locking devices, specifically a dual emergency locking device. Background Technology

[0002] In the field of hoisting operations, the stability and safety of equipment are paramount. Hoisting operations typically involve lifting, moving, and positioning heavy objects. During this process, hoisting equipment and its related components must withstand enormous loads and operate under various complex environmental conditions. Traditional hoisting equipment has limitations in its locking mechanisms. In most cases, only a single locking method is used to fix the position of the hoisted components, such as relying solely on mechanical latches or simple friction. This single locking method often fails to provide sufficient locking strength and stability in the face of emergencies, such as excessive swaying of the heavy object, impact from external forces, or equipment malfunction. Once the single locking mechanism fails, the heavy object may fall uncontrollably or experience increased swaying, causing serious damage not only to the hoisting equipment itself but also posing a significant safety threat to surrounding personnel and equipment, potentially leading to a serious safety accident. Therefore, we propose a dual emergency locking device. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a dual emergency locking device that solves the aforementioned problems.

[0004] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a dual emergency locking device, comprising:

[0005] Base;

[0006] Two sets of casters are fixedly installed at the bottom of the base near both ends. A support rod is fixedly installed on the top of the base, and a mounting plate is fixedly installed on the top of the support rod.

[0007] A sleeve is fixedly installed on the top of the mounting plate. A main rod is rotatably installed inside the sleeve. Two sets of mounting sleeves are fitted on the outer wall of the main rod. An integrated component rod is fixedly connected to the bottom of the mounting sleeve.

[0008] A locking assembly, located at the end of the sleeve, is used to lock the main rod inside the sleeve.

[0009] Preferably, one end of the main rod is fixedly connected to a linkage shaft, and the main rod is fixedly connected to a circular first locking disc via the linkage shaft.

[0010] Preferably, the first locking disc has several sets of interpenetrating locking holes A on both sides;

[0011] Several sets of locking holes A are distributed in a ring at equal intervals.

[0012] Preferably, the locking assembly includes a second locking disc, a locking hole B, and a sealing disc. One end of the sleeve is fixedly connected to an integrated second locking disc. A locking hole B is provided on one side of the second locking disc corresponding to a plurality of sets of locking holes A. A sealing disc for sealing the locking hole B is fixedly installed in the locking hole B.

[0013] The second locking disc is annular, and the linkage shaft is rotatably connected to the inner wall of the second locking disc. The second locking disc and the first locking disc fit together.

[0014] Preferably, the locking assembly further includes a return spring, a locking rod, and a positioning bead. A return spring is fixedly connected to the inner side of several sets of sealing discs, and a locking rod is slidably installed in several sets of locking holes B. A positioning bead is fixedly connected to one side of the locking rod corresponding to the sealing disc.

[0015] The positioning bead is half-spherical and its outer wall is fixed to one end of the return spring. The outer wall of the locking rod is completely fitted with the inner wall of the locking hole A.

[0016] Preferably, the main rod is hollow inside, and a circular hole is formed on the outer wall of the main rod;

[0017] There are four sets of circular holes, and the included angle between two adjacent sets of circular holes is ninety degrees.

[0018] Preferably, a hexagonal nut is fixedly installed on the top of the sleeve, and a slot is opened in the top of the sleeve corresponding to the hexagonal nut.

[0019] Compared with the prior art, the present invention provides a dual emergency locking device, which has the following advantages:

[0020] Enhanced locking reliability: The first locking is achieved through the engagement of the screw and the round hole, and the engagement of the locking rod and the locking hole A. When the main rod rotates so that the locking hole A on the first locking plate and the locking hole B on the second locking plate are completely aligned, the locking rod in the locking hole B is pushed outward into the locking hole A under the action of the return spring. When the screw is rotated into the hexagonal nut, the bottom of the screw rotates through the empty groove at the top of the sleeve into the round hole on the outer wall of the main rod, achieving further locking. This double locking mechanism greatly improves the reliability of locking and effectively prevents dangerous situations such as uncontrolled falling of heavy objects and increased shaking caused by locking failure under complex working conditions, thus ensuring the safety of hoisting operations. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the first locking disc and locking hole A of this utility model;

[0023] Figure 3 This is a schematic diagram of the linkage and circular hole of this utility model;

[0024] Figure 4 for Figure 1 A magnified view of part A in the diagram;

[0025] Figure 5 This is a cross-sectional schematic diagram of the sleeve and the second locking disc of this utility model.

[0026] In the diagram: 1. Base; 2. Caster wheel; 3. Support rod; 4. Mounting plate; 5. Sleeve; 6. Main rod; 7. First locking disc; 8. Locking hole A; 9. Second locking disc; 10. Locking hole B; 11. Sealing disc; 12. Return spring; 13. Locking rod; 14. Positioning bead; 15. Mounting cylinder; 16. Component rod; 17. Linkage shaft; 18. Round hole; 19. Hexagonal nut. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5 A dual emergency locking device, comprising:

[0029] Base 1;

[0030] Two sets of casters 2 are fixedly installed at the bottom of the base 1 near both ends. A support rod 3 is fixedly installed on the top of the base 1, and a mounting plate 4 is fixedly installed on the top of the support rod 3.

[0031] Sleeve 5 is fixedly installed on the top of mounting plate 4. Main rod 6 is rotatably installed inside sleeve 5. Two sets of mounting cylinders 15 are sleeved on the outer wall of main rod 6. An integrated component rod 16 is fixedly connected to the bottom of mounting cylinder 15.

[0032] A locking assembly, located at the end of the sleeve 5, is used to lock the main rod 6 inside the sleeve 5.

[0033] One end of the main rod 6 is fixedly connected to a linkage shaft 17, and the main rod 6 is fixedly connected to a circular first locking disc 7 via the linkage shaft 17.

[0034] The first locking disc 7 has several sets of interpenetrating locking holes A8 on both sides.

[0035] Several sets of locking holes A8 are distributed in a ring at equal intervals.

[0036] The locking assembly includes a second locking disc 9, a locking hole B10, and a sealing disc 11. One end of the sleeve 5 is fixedly connected to an integrated second locking disc 9. A locking hole B10 is provided on one side of a number of locking holes A8 respectively. A sealing disc 11 is fixedly installed in the locking hole B10 to block the locking hole B10.

[0037] The second locking disc 9 is annular, and the linkage shaft 17 is rotatably connected to the inner wall of the second locking disc 9. The second locking disc 9 and the first locking disc 7 are in close contact with each other.

[0038] The locking assembly also includes a return spring 12, a locking rod 13 and a positioning bead 14. The inner side of several sets of sealing discs 11 is fixedly connected to the return spring 12, and the locking rod 13 is slidably installed in several sets of locking holes B10. The locking rod 13 is fixedly connected to the positioning bead 14 on one side of the sealing disc 11 corresponding to the sealing disc 11.

[0039] The positioning bead 14 is half-spherical, and its outer wall is fixed to one end of the return spring 12. The outer wall of the locking rod 13 is completely fitted with the inner wall of the locking hole A8. When rotation locking is required, simply remove the screw to rotate the main rod within the sleeve. The operation is simple and convenient. In emergency situations, it can quickly and effectively lock or unlock the hoisting components to meet the needs of rapid response in actual operations and improve the efficiency of hoisting operations.

[0040] The interior of the main rod 6 is hollow, and a round hole 18 is opened on the outer wall of the main rod 6;

[0041] There are four sets of circular holes 18, and the included angle between two adjacent sets of circular holes 18 is ninety degrees.

[0042] A hexagonal nut 19 is fixedly installed on the top of the sleeve 5. A slot is opened in the top of the sleeve 5 corresponding to the hexagonal nut 19. In hoisting operations, if the locking device fails, it will not only cause serious damage to the hoisting equipment, but also pose a huge safety threat to the surrounding personnel and equipment facilities, causing serious safety accidents. The dual emergency locking device of this device ensures the stable fixation of the hoisting components in various complex environments through dual protection, reduces the risk of safety accidents caused by locking failure, provides reliable safety protection for hoisting operations, and protects the lives and property of personnel.

[0043] Working principle: During use, the main rod 6 rotates within the sleeve 5. Simultaneously, the linkage shaft 17 rotates synchronously on the inner wall of the second locking disc 9. The first locking disc 7 rotates synchronously via the linkage shaft 17. The locking hole A8 on the first locking disc 7 gradually overlaps with the locking hole B10 on the second locking disc 9. When the locking hole A8 and locking hole B10 are completely overlapped, the locking rod 13 within the locking hole B10 is locked by the return force of the return spring 12. Pushing 13 outward, the locking rod 13 slides outward in the locking hole B10 to the locking hole A8 on the first locking disc 7. By inserting the locking rod 13 into the locking hole A8, the first locking disc 7 is locked to the side of the second locking disc 9, preventing the main rod 6 from rotating freely in the sleeve 5. Alternatively, by rotating the screw into the hexagonal nut 19, the bottom of the screw rotates through the slot into the round hole 18, locking the main rod 6 in the sleeve 5, further enhancing the locking function.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dual emergency locking device, comprising: Base (1); Two sets of casters (2) are fixedly installed at the bottom of the base (1) near both ends, characterized in that: a support rod (3) is fixedly installed on the top of the base (1), and an installation plate (4) is fixedly installed on the top of the support rod (3). Sleeve (5) is fixedly installed on the top of mounting plate (4). Main rod (6) is rotatably installed inside sleeve (5). Two sets of mounting sleeves (15) are sleeved on the outer wall of main rod (6). An integrated component rod (16) is fixedly connected to the bottom of mounting sleeve (15). A locking assembly is provided at the end of the sleeve (5) for locking the main rod (6) inside the sleeve (5).

2. The dual emergency locking device according to claim 1, characterized in that: One end of the main rod (6) is fixedly connected to a linkage shaft (17), and the main rod (6) is fixedly connected to a first locking disc (7) in a circular shape through the linkage shaft (17).

3. The dual emergency locking device according to claim 2, characterized in that: The first locking disc (7) has several sets of intersecting locking holes A (8) on both sides. Several sets of locking holes A (8) are distributed in a ring at equal intervals.

4. The dual emergency locking device according to claim 1, characterized in that: The locking assembly includes a second locking disc (9), a locking hole B (10), and a sealing disc (11). One end of the sleeve (5) is fixedly connected to an integrated second locking disc (9). A locking hole B (10) is provided on one side of the second locking disc (9) corresponding to a number of locking holes A (8). A sealing disc (11) is fixedly installed in the locking hole B (10) to block the locking hole B (10). The second locking disc (9) is in the shape of a ring, and the linkage shaft (17) is rotatably connected to the inner wall of the second locking disc (9). The second locking disc (9) and the first locking disc (7) fit together.

5. A dual emergency locking device according to claim 4, characterized in that: The locking assembly also includes a return spring (12), a locking rod (13) and a positioning bead (14). The inner sides of several sets of sealing discs (11) are fixedly connected with return springs (12), and several sets of locking holes B (10) are slidably installed with locking rods (13). The locking rods (13) are fixedly connected with positioning beads (14) on the side of the sealing discs (11) corresponding to the locking discs (11). The positioning bead (14) is half-sphere in shape and its outer wall is fixed to one end of the return spring (12). The outer wall of the locking rod (13) is completely fitted with the inner wall of the locking hole A (8).

6. A dual emergency locking device according to claim 2, characterized in that: The interior of the main rod (6) is hollow, and the outer wall of the main rod (6) has a round hole (18). There are four sets of round holes (18), and the included angle between two adjacent sets of round holes (18) is ninety degrees.

7. A dual emergency locking device according to claim 4, characterized in that: A hexagonal nut (19) is fixedly installed on the top of the sleeve (5), and a slot is opened in the top of the sleeve (5) corresponding to the hexagonal nut (19).

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