Lifting hook for lifting explosion-proof container door
By using limit rods, engaging rods, rubber pads and spiral locking structures in explosion-proof container door hooks, the problem that the hook cannot guarantee the stability of the container door and the spark caused by the friction of the iron hook is achieved, and a higher level of safety and stability.
Patent Information
- Application Number
- CN202421191847.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing explosion-proof container door hook cannot guarantee the stability of the container door during movement, and the iron hook is prone to friction and sparks when in contact with the container door.
A hook for lifting explosion-proof container doors is designed, using limit rods, engaging rods, rubber pads and spiral locking structures. The protective effect of the hook is increased through sliding and rotating structures to avoid direct iron hooks and container doors. Contact, use rubber pads and spiral blocks to increase friction and stability.
The limiting effect and safety of the hook on the container door is improved, the risk of sparks is avoided, and the long-term stability and safety performance of the hook is ensured through the replacement of rubber pads and spiral blocks.
Smart Images
Figure CN222273889U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of explosion-proof container doors, in particular to a lifting hook for lifting an explosion-proof container door. Background Art
[0002] Explosion-proof container doors are an important part of explosion-proof containers. They have explosion-proof functions and are designed to prevent explosions from causing damage to personnel and equipment. They are mainly used in the transportation and storage of flammable and explosive items in industries such as petroleum, chemical, and natural gas. During the installation of explosion-proof container doors, a lifting device is used to move the container door to a suitable position for assembly.
[0003] When the lifting device is in use, the hooks need to be engaged and placed on the four sides of the explosion-proof container door, so that the container door can be lifted and moved by the hooks. However, the existing hooks cannot ensure the stability of the container door during movement, and the iron hooks directly contact the container door, which is prone to friction and sparks. Therefore, a hook for lifting explosion-proof container doors is proposed to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a lifting hook for explosion-proof container door, so as to solve the problems in the prior art that the stability of the container door during movement cannot be ensured by the hook alone during use, and the iron hook directly contacts the container door and easily causes sparks and other dangerous situations due to friction.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting hook for lifting an explosion-proof container door, comprising a lifting hook, wherein the lifting hook is provided with a connecting head at the upper end, and a lifting rope is provided on the upper part of the connecting head, and the other end of the lifting rope is connected to a lifting device, the connecting head is provided with a rotating rod at the lower end surface, and a limiting rod is provided on the outer wall of the rotating rod, the limiting rod is provided with a sliding groove on the outer side, and a slider is inserted in the sliding groove, and one end of the slider is provided with a clamping rod in the limiting rod, and the clamping rod is inserted on the lifting hook;
[0006] The hook is provided with a rubber pad on the inner side, and grooves are respectively opened at the upper end surfaces of the two ends of the rubber pad, and bolts are respectively screwed in the grooves of the rubber pad, and the other end of the bolt is screwed in the hook;
[0007] The hook is inserted with a rubber rod at the vertical rod, and the other end of the rubber rod is connected to a spiral block, the spiral block is inserted in the fixed block, and a limiting plate is provided on the other side of the fixed block, and a soft rubber pad is provided on the other end of the limiting plate.
[0008] Preferably, the limiting rod forms a rotating structure with the hook through the rotating rod, and the engaging rod forms a sliding structure with the limiting rod in the sliding groove through the sliding block.
[0009] Preferably, the rubber pad is screwed into the spiral groove by a bolt to form a spiral locking structure with the hook.
[0010] Preferably, the limiting plate forms a spiral locking structure through the fixing block, the spiral block and the rubber rod, and the spiral block forms a clamping limiting structure through the rubber rod and the hook.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the limit rod of the explosion-proof container door lifting hook forms a rotating structure with the hook through a rotating rod, and the engaging rod forms a sliding structure with the limit rod in the slide groove through a slider, so that the limiting effect of the limit rod on the explosion-proof container door assembly in the hook is increased by the sliding engaging rod, thereby increasing the safety of the hook, and the rubber pad of the device is screwed in the spiral groove through a bolt to form a spiral locking structure with the hook, thereby increasing the direct friction between the explosion-proof container door assembly and the hook through the spirally installed rubber pad, and avoiding direct contact and friction between the container door and the iron hook, the limit plate of the device forms a spiral locking structure through a fixed block, a spiral block and a rubber rod, and the spiral block forms a clamping limiting structure with the hook through the rubber rod, thereby squeezing and limiting the explosion-proof container door assembly through the clamping installed limiting plate, thereby increasing the stability of the container door during lifting. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of a lifting hook structure for lifting an explosion-proof container door according to the utility model;
[0013] Figure 2 This is a schematic diagram of the structure of a hook clamping rod assembly for lifting an explosion-proof container door according to the utility model;
[0014] Figure 3 This is a schematic diagram of the structure of a hook limit plate assembly for lifting an explosion-proof container door according to the utility model;
[0015] Figure 4 The utility model is a schematic diagram of a top view of a spiral installation assembly of a rubber pad of a lifting hook for lifting an explosion-proof container door.
[0016] In the figure: 1, hook, 2, connector, 3, lifting rope, 4, rotating rod, 5, limiting rod, 6, locking rod, 7, slider, 8, slide groove, 9, rubber pad, 10, bolt, 11, rubber rod, 12, screw block, 13, fixing block, 14, limiting plate. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-4 The utility model provides a technical solution: a lifting hook for lifting an explosion-proof container door, comprising a lifting hook 1, a connecting head 2 is provided at the upper end of the lifting hook 1, and a lifting rope 3 is provided on the upper part of the connecting head 2, and the other end of the lifting rope 3 is connected to a lifting device, a rotating rod 4 is provided at the lower end surface of the connecting head 2, and a limiting rod 5 is provided on the outer wall of the rotating rod 4, a sliding groove 8 is opened on the outer side of the limiting rod 5, and a sliding block 7 is inserted in the sliding groove 8, and a clamping rod 6 is provided at one end of the sliding block 7 in the limiting rod 5, and the clamping rod 6 is inserted on the lifting hook 1.
[0019] Furthermore, the limit rod 5 forms a rotating structure with the hook 1 through the rotating rod 4, and the engaging rod 6 forms a sliding structure with the limit rod 5 in the sliding groove 8 through the slider 7, thereby increasing the protective effect of the limit rod 5 on the explosion-proof container door assembly in the hook 1 by inserting the engaging rod 6 in the hook 1.
[0020] The hook 1 is provided with a rubber pad 9 on the inner side, and grooves are respectively formed at the upper end surfaces of both ends of the rubber pad 9 , and bolts 10 are respectively screwed in the grooves of the rubber pad 9 , and the other end of the bolt 10 is screwed in the hook 1 .
[0021] Furthermore, the rubber pad 9 is screwed into the spiral groove by the bolt 10 to form a spiral locking structure with the hook 1, so that the rubber pad 9 can prevent the explosion-proof container door assembly from directly contacting the iron hook 1 and causing sparks and other dangerous situations.
[0022] The hook 1 has a rubber rod 11 inserted through the vertical rod, and the other end of the rubber rod 11 is connected to a spiral block 12, the spiral block 12 is inserted into a fixed block 13, and a limit plate 14 is provided on the other side of the fixed block 13, and a soft rubber pad is provided on the other end of the limit plate 14.
[0023] Furthermore, the limit plate 14 forms a spiral locking structure through the fixed block 13, the spiral block 12 and the rubber rod 11, and the spiral block 12 forms a clamping limit structure with the hook 1 through the rubber rod 11, so that the limit plate 14 squeezes and limits the explosion-proof container door assembly through the rubber rod 11, and the limit plate 14 can be replaced regularly through the spiral block 12.
[0024] Working principle: When using the lifting hook for explosion-proof container door, during the lifting process of explosion-proof container door, the explosion-proof container door related components are placed on the hook 1, and the rubber pad 9 is used to prevent the explosion-proof container door components from directly contacting with the iron hook 1 to generate sparks and other dangerous situations. Then, the limit rod 5 can be driven to rotate by the rotating rod 4, so that the protection of the hook 1 to the explosion-proof container door components can be ensured by the limit rod 5. When the rotation of the limit rod 5 is completed, the locking rod 6 can be slid downward by the slider 7, so that the locking rod 6 is inserted into the hook 1, so that the locking rod 6 installed by the locking rod 6 is increased. The hook 1 is added to enhance the protection of the explosion-proof container door; then the limit plate 14 can be pushed to the inside of the hook 1 through the rubber rod 11, so that the explosion-proof container door assembly is squeezed and limited by the soft rubber pad on the limit plate 14, thereby increasing the stability of the explosion-proof container door during the lifting process; and the bolt 10 can be removed regularly during the use of the hook 1 to replace the rubber pad 9, and the limit plate 14 assembly can be replaced by the spiral block 12, thereby ensuring the limiting effect of the hook 1 on the explosion-proof container door assembly. This is the use process of the hook for lifting the explosion-proof container door.
[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A lifting hook for lifting an explosion-proof container door, comprising a lifting hook (1), wherein the lifting hook (1) is provided with a connecting head (2) at the upper end, and a lifting rope (3) is provided above the connecting head (2), and the other end of the lifting rope (3) is connected to a lifting device, characterized in that: The connector (2) is provided with a rotating rod (4) on the lower end surface, and the rotating rod (4) is provided with a limiting rod (5) on the outer wall, the limiting rod (5) is provided with a sliding groove (8) on the outer side, and a sliding block (7) is inserted into the sliding groove (8), and one end of the sliding block (7) is provided with a locking rod (6) in the limiting rod (5), and the locking rod (6) is inserted into the hook (1); The hook (1) is provided with a rubber pad (9) on the inner side, and grooves are respectively formed at the two ends of the rubber pad (9) on the upper end surface, and bolts (10) are respectively screwed in the grooves of the rubber pad (9), and the other end of the bolt (10) is screwed in the hook (1); The hook (1) is inserted with a rubber rod (11) at the vertical rod, and the other end of the rubber rod (11) is connected to a spiral block (12), the spiral block (12) is inserted into a fixed block (13), and a limiting plate (14) is provided on the other side of the fixed block (13), and a soft rubber pad is provided at the other end of the limiting plate (14).
2. The explosion-proof container door lifting hook according to claim 1, characterized in that: The limiting rod (5) forms a rotating structure with the hook (1) through the rotating rod (4), and the engaging rod (6) forms a sliding structure with the limiting rod (5) in the sliding groove (8) through the sliding block (7).
3. The explosion-proof container door lifting hook according to claim 1, characterized in that: The rubber pad (9) is screwed into the spiral groove via a bolt (10) to form a spiral locking structure with the hook (1).
4. The explosion-proof container door lifting hook according to claim 1, characterized in that: The limiting plate (14) forms a spiral locking structure through the fixing block (13), the spiral block (12) and the rubber rod (11), and the spiral block (12) forms a clamping limiting structure through the rubber rod (11) and the hook (1).