Lifting hook protection mechanism of dry quenching elevator
By designing a hook protection mechanism for the dry quenching hoist including lifting beam, cylinder, pushing plate and pushing mechanism, the problem of collision between the hook and the coke tank truck is solved, and the rapid lifting of the hook and the coke tank are achieved. Stable and fixed, avoiding equipment damage and coke tank falling off.
Patent Information
- Application Number
- CN202421138435.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The hooks of the existing dry-extinguishing hoist are prone to collision when walking under the coking tank truck, causing the hook to bend and deform and affecting the normal operation of the equipment.
A hook protection mechanism including lifting beams, cylinders, push plates, wedge blocks, draw ropes and push mechanisms is designed. The push plates and push mechanisms are driven by the cylinders to quickly lift the hooks to a safe distance, reducing the coke tank trucks and The collision risk of hooks and prevents the coke tank from falling off through torsion springs and baffles.
It effectively prevents the coking tank truck from colliding with the hook, avoids damage to the hook, and improves the efficiency by reducing the friction between the roller and the pull rope, and prevents losses caused by the coking tank falling off.
Smart Images
Figure CN222293387U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dry coke quenching, in particular to a dry coke quenching hoist hook protection mechanism. Background Art
[0002] The dry quenching coke elevator is one of the important equipment in the dry quenching coke production of coal chemical industry. It is a special equipment needed to transport the dry quenched red coke to the dry quenching tank.
[0003] As disclosed in the patent CN214359765U, a hook protection device for a dry coke quenching elevator, there is a problem in the prior art that when the coke tank car is traveling under the dry coke quenching elevator, the coke tank car often collides with the hook, causing the hook to bend and deform, seriously affecting the normal operation of the dry coke quenching. The fundamental reason is that when the hook of the dry coke quenching elevator has not been lifted to a safe position, the coke tank car is traveling under the dry coke quenching elevator, causing the problem of the coke tank car. In order to solve such problems, the present application proposes a hook protection mechanism with a new structure. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a dry quenching coke hoist hook protection mechanism.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A dry quenching coke hoist hook protection mechanism comprises an upper lifting beam, the top of the upper lifting beam is fixedly connected to a cylinder, and the piston rod of the cylinder passes through the upper lifting beam and is fixedly connected to a connecting plate, a dovetail groove is provided on the top of the connecting plate, and two push plates are slidably connected in the dovetail groove, the bottom of the upper lifting beam is fixedly connected to a wedge block, and the wedge block is in contact with the two push plates, the bottom of the connecting plate is fixedly connected to two multi-section telescopic rods, the other ends of the two multi-section telescopic rods are fixedly connected to a lower beam, the bottom of the connecting plate is fixedly connected to multiple pull ropes, and the other ends of the pull ropes are fixed to the lower beam, both sides of the two push plates are provided with a pushing mechanism for pushing the pull ropes, and the bottom of the lower beam is rotatably connected to a hook body.
[0007] As a further solution of the utility model, the pushing mechanism is a plurality of connecting frames, the plurality of connecting frames are fixedly connected to both sides of the two push plates, and one side of the plurality of connecting frames is rotatably connected to a roller.
[0008] As a further solution of the utility model, slots are provided on the outer sides of the circumferences of the plurality of connecting frames.
[0009] As a further solution of the utility model, baffles are rotatably connected to both sides of the hook body, torsion springs are fixedly connected to both sides of the baffles, and the other end of the torsion spring is fixed to the hook body.
[0010] As a further solution of the utility model, an L-shaped plate is fixedly connected to the bottom of the connecting plate.
[0011] As a further solution of the utility model, a positioning column is fixedly connected in the dovetail groove, and the positioning column is slidably connected to the push plate.
[0012] As a further solution of the utility model, a spring is fixedly connected to one side of the two push plates, and both ends of the spring are fixed to the dovetail groove.
[0013] The beneficial effects of the utility model are:
[0014] 1. The utility model drives the push plate to move upward through the connecting plate, and at the same time, the inclined surface of the wedge block pushes the two push plates to move outward, the push plate drives the pushing mechanism to move outward, the pushing mechanism pushes the pull rope to bend, and at the same time, the pull rope pulls the lower cross beam to move upward, and the lower cross beam drives the hook body to move upward, thereby realizing the rapid lifting of the hook to a safe distance and preventing the coke tank car from colliding with the hook and causing damage to the hook.
[0015] 2. The utility model drives the connecting frame to move outwards through the push plate, and the connecting frame drives the roller to move outwards, and the roller pushes the notch to bend, thereby pushing the pull rope, and the roller rotates, which greatly reduces the friction between the roller and the pull rope.
[0016] 3. The utility model uses the torsion force of the torsion spring, which drives the baffle to rotate, so that the baffle contacts one end of the hook body, thereby preventing the dry quenching tank hooked by the hook body from falling off and causing certain losses. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the upper three-dimensional structure of a hook protection mechanism of a dry coke quenching hoist proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of a hook protection mechanism for a dry coke quenching hoist proposed by the utility model;
[0019] Figure 3 The utility model is a schematic diagram of the enlarged structure of part A of the hook protection mechanism of the dry coke quenching hoist.
[0020] In the figure: 1. wedge block; 2. upper lifting beam; 3. cylinder; 4. push plate; 5. connecting plate; 6. multi-section telescopic rod; 7. L-shaped plate; 8. lower beam; 9. pull rope; 10. dovetail groove; 11. positioning column; 12. spring; 13. hook body; 14. baffle; 15. torsion spring; 16. notch; 17. roller; 18. connecting frame. DETAILED DESCRIPTION
[0021] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.
[0022] Reference Figure 1-Figure 3 A hook protection mechanism for a dry quenching coke hoist comprises an upper lifting beam 2, a cylinder 3 is fixed to the top of the upper lifting beam 2 by bolts, and a piston rod of the cylinder 3 passes through the upper lifting beam 2 and is fixed to a connecting plate 5 by bolts, a dovetail groove 10 is provided on the top of the connecting plate 5, two push plates 4 are slidably connected in the dovetail groove 10, a wedge block 1 is fixed to the bottom of the upper lifting beam 2 by bolts, and the wedge block 1 is in contact with the two push plates 4, two multi-section telescopic rods 6 are fixed to the bottom of the connecting plate 5 by bolts, the other ends of the two multi-section telescopic rods 6 are fixed to a lower beam 8 by bolts, a plurality of pull ropes 9 are fixed to the bottom of the connecting plate 5 by bolts, and the pull ropes 9 The other end is fixed to the lower cross beam 8, and both sides of the two push plates 4 are provided with a pushing mechanism for pushing the pull rope 9. The bottom of the lower cross beam 8 is rotatably connected to the hook body 13, and the cylinder 3 is started. The piston rod of the cylinder 3 drives the connecting plate 5 to move upward, and the connecting plate 5 drives the push plate 4 to move upward. At the same time, the inclined surface of the wedge block 1 pushes the two push plates 4 to move outward, and the push plate 4 drives the pushing mechanism to move outward. The pushing mechanism pushes the pull rope 9 to bend, and at the same time, the pull rope 9 pulls the lower cross beam 8 to move upward, and the lower cross beam 8 drives the hook body 13 to move upward, thereby realizing the rapid lifting of the hook to a safe distance and preventing the coke tank car from colliding with the hook and causing damage to the hook.
[0023] In the utility model, the pushing mechanism is a plurality of connecting frames 18, and the plurality of connecting frames 18 are fixed on both sides of the two push plates 4 by bolts. One side of the plurality of connecting frames 18 is rotatably connected with a roller 17. The push plates 4 drive the connecting frames 18 to move outward, and the connecting frames 18 drive the roller 17 to move outward. The roller 17 pushes the slot 16 to bend, thereby pushing the pull rope 9. The rotation of the roller 17 greatly reduces the friction between the roller 17 and the pull rope 9.
[0024] In the present invention, notches 16 are provided on the outer circumferences of the plurality of connecting frames 18 , and the notches 16 can prevent the pull rope 9 from being out of contact with the roller 17 .
[0025] In the utility model, baffles 14 are rotatably connected to both sides of the hook body 13, torsion springs 15 are fixed to both sides of the baffle 14 by bolts, and the other end of the torsion spring 15 is fixed to the hook body 13. Through the torsion force of the torsion spring 15, the torsion spring 15 drives the baffle 14 to rotate, so that the baffle 14 contacts with one end of the hook body 13, thereby preventing the dry quenching tank hooked by the hook body 13 from falling off and causing certain losses.
[0026] In the utility model, an L-shaped plate 7 is fixed to the bottom of the connecting plate 5 by bolts, and the L-shaped plate 7 can prevent the lower cross beam 8 from being separated when the pull rope 9 is broken.
[0027] In the utility model, a positioning column 11 is fixed in the dovetail groove 10 by bolts, and the positioning column 11 is slidably connected with the push plate 4, so that the positioning column 11 makes the push plate 4 slide more smoothly.
[0028] In the utility model, a spring 12 is fixed to one side of the two push plates 4 by bolts, and both ends of the spring 12 are fixed to the dovetail groove 10 , so that the spring 12 can assist the push plates 4 to quickly reset.
[0029] Working principle: When protection is needed, start the cylinder 3, and the piston rod of the cylinder 3 drives the connecting plate 5 to move upward, and the connecting plate 5 drives the push plate 4 to move upward, and the inclined surface of the wedge block 1 pushes the two push plates 4 to move outward, and the push plate 4 drives the connecting frame 18 to move outward, and the connecting frame 18 drives the roller 17 to move outward, and the roller 17 pushes the notch 16 to bend, and the pull rope 9 pulls the lower beam 8 to move upward, and the lower beam 8 drives the hook body 13 to move upward, thereby realizing the rapid lifting of the hook to a safe distance, preventing the coke tank car from colliding with the hook and causing damage to the hook.
[0030] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A dry coke quenching hoist hook protection mechanism, comprising an upper lifting beam (2), characterized in that: The top of the upper lifting beam (2) is fixedly connected to a cylinder (3), and the piston rod of the cylinder (3) passes through the upper lifting beam (2) and is fixedly connected to a connecting plate (5). A dovetail groove (10) is provided on the top of the connecting plate (5), and two push plates (4) are slidably connected in the dovetail groove (10). The bottom of the upper lifting beam (2) is fixedly connected to a wedge block (1), and the wedge block (1) is in contact with the two push plates (4). The bottom of the connecting plate (5) is fixedly connected to two multi-section telescopic rods (6), and the other ends of the two multi-section telescopic rods (6) are fixedly connected to a lower beam (8). The bottom of the connecting plate (5) is fixedly connected to a plurality of pull ropes (9), and the other ends of the pull ropes (9) are fixed to the lower beam (8). Both sides of the two push plates (4) are provided with a pushing mechanism for pushing the pull ropes (9), and the bottom of the lower beam (8) is rotatably connected to a hook body (13).
2. A dry coke quenching hoist hook protection mechanism according to claim 1, characterized in that: The pushing mechanism is a plurality of connecting frames (18), the plurality of connecting frames (18) are fixedly connected to the two sides of the two push plates (4), and one side of the plurality of connecting frames (18) is rotatably connected to a roller (17).
3. A dry quenching hoist hook protection mechanism according to claim 2, characterized in that: The outer sides of the circumferences of the plurality of connecting frames (18) are all provided with slots (16).
4. A dry quenching hoist hook protection mechanism according to claim 1, characterized in that: Baffles (14) are rotatably connected to both sides of the hook body (13), torsion springs (15) are fixedly connected to both sides of the baffles (14), and the other end of the torsion spring (15) is fixed to the hook body (13).
5. The dry quenching hoist hook protection mechanism according to claim 1, characterized in that: An L-shaped plate (7) is fixedly connected to the bottom of the connecting plate (5).
6. A dry quenching hoist hook protection mechanism according to claim 1, characterized in that: A positioning column (11) is fixedly connected in the dovetail groove (10), and the positioning column (11) is slidably connected to the push plate (4).
7. A dry quenching hoist hook protection mechanism according to claim 6, characterized in that: A spring (12) is fixedly connected to one side of the two push plates (4), and one end of the spring (12) is fixed to the dovetail groove (10).