Double-hook electric hoist structure
The load sensor and limit device of the double-hook electric hoist structure solve the stability and weight detection problems of existing electric hoists when lifting large cargoes, achieving safe and reliable lifting operations and extending the life of the equipment.
Patent Information
- Application Number
- CN202423031376.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing electric hoists have poor stability when lifting larger cargo and cannot detect the weight of the cargo, which can easily exceed the limit and cause equipment damage.
It adopts a double hook structure, equipped with a load sensor and a limit device. The controller controls the motor to drive the reel to reel in the wire rope. Combined with the fire limiter and limit block, it prevents the wire rope from breaking, thereby realizing the detection and safety protection of the cargo weight.
It improves the hoisting stability, prevents the wire rope from breaking, extends the equipment life, increases safety and practicality, and reduces equipment damage.
Smart Images

Figure CN223458010U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoisting equipment technical field, concretely is double hook electric hoist structure. BACKGROUND
[0002] Electric hoist is a kind of hoisting equipment, is installed on crown block, gantry crane, electric hoist has small volume, light weight, simple operation, it is easy to use etc., is used in industrial and mining enterprises, warehouse, wharf etc.
[0003] The prior art CN214828612U patent presents an electric hoist, including box and crossbeam, its characterized in that, one side in the box is provided with reel device, the lower portion of reel device is connected with bearing device, the lower end of box is provided with limiting device, the other side in the box is fixedly connected with boss, the side of boss is provided with power device one, the other side of boss is provided with power device two, boss is embedded with control device, the upper end of box is fixedly connected with sliding block, the upper end in sliding block is provided with sliding groove and is slidably provided with crossbeam, beneficial effect: through the power device one and power device two that setting, the motor can be speed-regulated according to the article of hoisting when running, can save time when electric hoist hoists light weight article, through the limiting device that setting, can make the steel wire rope not to separate from the rope groove when contracting.
[0004] But because the prior art disclosure CN214828612U patent technology is used when the stability of the goods of larger size hoisted by a hook is poor, and the weight of the goods cannot be detected, it is easy to exceed the limit and cause the electric hoist to be damaged. Utility model content
[0005] (1) technical problem solved
[0006] The utility model aims at providing double hook electric hoist structure to solve the problem that the stability of the goods of larger size hoisted by a hook is poor when used, and the weight of the goods cannot be detected, which is easy to exceed the limit and cause the electric hoist to be damaged.
[0007] (2) technical scheme
[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: double hook electric hoist structure, including travelling trolley, the lower end left and right sides of travelling trolley are each installed with reel, the left end of reel is installed with motor, the right end of reel is installed with speed reducer, and the motor and speed reducer are connected through shaft coupling;
[0009] Preferably, the outer end of the winding drum is wound with a steel wire rope, the lower end of the steel wire rope is provided with a load sensor, the lower end of the load sensor is provided with a hook, one end of the electric motor is provided with a transmission line, the other end of the transmission line is provided with a controller, and the controller is electrically connected with the load sensor.
[0010] Preferably, the steel wire rope is made of galvanized steel wire rope, and the hook is made of manganese steel.
[0011] Preferably, the outer end of the speed reducer is provided with a fire breaking limiter, and the left end of the fire breaking limiter is provided with a limiting rod.
[0012] Preferably, the outer end of the limiting rod is provided with a left limiting block, and the right side of the left limiting block is provided with a right limiting block.
[0013] Preferably, the outer end of the winding drum is movably provided with a rope guide, and the rope guide is provided with a hole for facilitating the passing of the steel wire rope.
[0014] Preferably, the front end of the controller is provided with a display screen, the lower end of the display screen is provided with a control button, the upper end of the controller is provided with an alarm lamp, and the left side of the alarm lamp is provided with a buzzer.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1、The double-hook electric hoist structure is formed by the two groups of winding drums, the electric motor, the speed reducer, the steel wire rope, the load sensor and the hook arranged below the walking trolley, in use, the electric hoist is controlled to run by the controller, the electric motor drives the winding drum to wind the steel wire rope, thereby lifting the large-sized goods by the two hooks, the stability is higher, the load sensor can detect the weight of the goods when the goods are lifted, the load sensor sends a signal when the goods exceed the design limit of the electric hoist, finally the controller automatically controls the electric hoist to stop running, reduces the damage to the electric hoist, prolongs the service life of the electric hoist, and improves the practicability of the double-hook electric hoist structure.
[0017] 2、The double-hook electric hoist structure is provided with the fire breaking limiter, the limiting rod, the left limiting block, the right limiting block and the rope guide, when the hook rises, the rope guide on the steel wire rope moves right, when it collides with the right limiting block on the limiting rod, the fire breaking limiter acts, and the hook immediately stops rising, when the hook descends, the rope guide on the steel wire rope moves left, when it collides with the left limiting block on the limiting rod, the fire breaking limiter acts, and the hook immediately stops, the lifting steel wire rope can be prevented from being pulled off, the accident of heavy goods falling is avoided, the electric hoist equipment is avoided from being damaged, and the safety of the double-hook electric hoist structure is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the three-dimensional structure schematic view of the utility model;
[0019] Figure 2 It is the electric hoist structure schematic view of the utility model;
[0020] Figure 3 It is the electric hoist partial enlarged structure schematic view of the utility model;
[0021] Figure 4 It is the controller structure schematic view of the utility model.
[0022] In the drawing: 1, walking trolley; 2, winding drum; 3, motor; 4, speed reducer; 5, steel wire rope; 6, load sensor; 7, lifting hook; 8, transmission line; 9, controller; 10, fire breaking stopper; 11, limiting rod; 12, left side limiting block; 13, right side limiting block; 14, rope guide; 15, display screen; 16, control button; 17, alarm lamp; 18, buzzer. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0025] Double-lifting-hook electric hoist structure, including walking trolley 1, the lower end of walking trolley 1 left and right sides each installation has winding drum 2, the left end of winding drum 2 is installed with motor 3, the right end of winding drum 2 is installed with speed reducer 4, motor 3 and speed reducer 4 are connected through shaft coupling.
[0026] In the embodiment, the outer end of winding drum 2 is preferably wound with steel wire rope 5, the lower end of steel wire rope 5 is installed with load sensor 6, the lower end of load sensor 6 is installed with lifting hook 7, one end of motor 3 is installed with transmission line 8, the other end of transmission line 8 is installed with controller 9, and controller 9 is electrically connected with load sensor 6.
[0027] In the embodiment, the material of steel wire rope 5 is preferably galvanized steel wire rope, and the material of lifting hook 7 is manganese steel.
[0028] In the embodiment, the outer end of speed reducer 4 is preferably installed with fire breaking stopper 10, and the left end of fire breaking stopper 10 is installed with limiting rod 11.
[0029] Preferably, the outer end of the limiting rod 11 is provided with a left limiting block 12, and the right side of the left limiting block 12 is provided with a right limiting block 13.
[0030] Preferably, the outer end of the winding drum 2 is movably provided with a rope guide 14, and the rope guide 14 is provided with a hole through which the steel wire rope 5 passes.
[0031] Preferably, the front end of the controller 9 is provided with a display screen 15, the lower end of the display screen 15 is provided with a control button 16, the upper end of the controller 9 is provided with an alarm lamp 17, and the left side of the alarm lamp 17 is provided with a buzzer 18.
[0032] When the double-hook electric hoist structure of the embodiment is used, two groups of winding drums 2, motors 3, reducers 4, steel wire ropes 5, load sensors 6 and hooks 7 arranged at the walking trolley 1 form a double-hook electric hoist structure, and the electric hoist is controlled to run by the controller 9 in use, so that the motor 3 drives the winding drum 2 to wind the steel wire rope 5, thereby lifting large-size goods by the two hooks 7, and the stability is higher. When the goods are lifted, the weight of the goods can be detected by the load sensor 6, and when the goods exceed the design limit of the electric hoist, the load sensor 6 sends a signal, and finally the controller 9 automatically controls the electric hoist to stop running, reduces the damage to the electric hoist, and the alarm lamp 17 and the buzzer 18 send sound and light alarms to remind the staff to handle it in time. Through the arrangement of the flameout limiter 10, the limiting rod 11, the left limiting block 12, the right limiting block 13 and the rope guide 14, when the hook 7 rises, the rope guide 14 on the steel wire rope 5 moves to the right, and when it collides with the right limiting block 13 on the limiting rod 11, the flameout limiter 10 acts, and the hook 7 immediately stops rising. When the hook 7 descends, the rope guide 14 on the steel wire rope 5 moves to the left, and when it collides with the left limiting block 12 on the limiting rod 11, the flameout limiter 10 acts, and the hook 7 immediately stops, which can prevent the lifting steel wire rope 5 from being pulled off and avoid accidents of heavy objects falling, and also avoid damage to the electric hoist equipment. Finally, it should be noted that the above content is only used to illustrate the technical scheme of the utility model, and is not a limitation on the protection scope of the utility model. Simple modifications or equivalent replacements of the technical scheme of the utility model made by ordinary technical personnel in the art do not deviate from the essence and scope of the technical scheme of the utility model.
Claims
1. Double hook electric hoist structure, comprising a travelling trolley (1), characterized in that: The lower end of the walking trolley (1) is provided with a winding drum (2) on each side, the left end of the winding drum (2) is provided with a motor (3), the right end of the winding drum (2) is provided with a speed reducer (4), the motor (3) and the speed reducer (4) are connected through a shaft coupling; The outer end of the winding drum (2) is wound with a steel wire rope (5), the lower end of the steel wire rope (5) is provided with a load sensor (6), the lower end of the load sensor (6) is provided with a hook (7), one end of the motor (3) is provided with a transmission line (8), the other end of the transmission line (8) is provided with a controller (9), the controller (9) is electrically connected with the load sensor (6).
2. The double hook electric hoist structure according to claim 1, characterized in that: The material of the steel wire rope (5) is galvanized steel wire rope, and the material of the hook (7) is manganese steel.
3. The double hook electro-hoist structure according to claim 2, characterized in that: The outer end of the speed reducer (4) is provided with a fire breaking limiter (10), the left end of the fire breaking limiter (10) is provided with a limiting rod (11).
4. The double hook electro-hoist structure according to claim 3, characterized in that: The outer end of the limiting rod (11) is provided with a left limiting block (12), the right side of the left limiting block (12) is provided with a right limiting block (13).
5. The double hook electro-hoist structure according to claim 4, characterized in that: The outer end of the winding drum (2) is movably provided with a rope guide (14), and the rope guide (14) is provided with a hole through which the steel wire rope (5) passes.
6. Double hook electro-hoist structure according to claim 5, characterized in that: The front end of the controller (9) is provided with a display screen (15), the lower end of the display screen (15) is provided with a control button (16), the upper end of the controller (9) is provided with an alarm lamp (17), and the left side of the alarm lamp (17) is provided with a buzzer (18).
Citation Information
Patent Citations
Electric hoist
CN214828612U