CN219507458U - Overweight alarm device of jack-up hoist - Google Patents

Abstract

The utility model belongs to the technical field of lifting appliance early warning, and particularly relates to an overweight warning device of a lifting appliance, which comprises a lifting hook, wherein a pin is movably arranged on the surface of the lifting hook, stop blocks are fixedly arranged at two ends of the pin, an elastic belt is fixedly arranged on the surface of each stop block, a fixing block is fixedly connected to the tail part of each elastic belt, a steel wire rope is fixedly connected to the tail part of each fixing block, a U-shaped block is arranged on the surface of each steel wire rope in a contact manner, and a through hole is formed in each U-shaped block. According to the utility model, the steel wire rope can pass through the U-shaped block by contacting the steel wire rope with the steel wire groove formed on the surface of the U-shaped block, the steel wire is deeply fixed in the U-shaped block by the U-shaped fixing device, so that the steel wire rope can be bound, the data for pulling force can be expressed by connecting the U-shaped block with the pulling force sensor, the feedback device and the pulling force sensor can be timely fed back by connecting the feedback device with the pulling force sensor through the signal wire, and the operation safety is improved.

Description

Overweight alarm device of jack-up hoist

Technical Field

The utility model belongs to the technical field of lifting appliance early warning, and particularly relates to an overweight alarm device of a lifting appliance.

Background

The crane mainly comprises a lifting mechanism, an operating mechanism, an amplitude changing mechanism, a rotating mechanism, a metal structure and the like, wherein the lifting mechanism is a basic working mechanism of the crane and mostly consists of a hanging system and a winch, and also comprises a lifting heavy object through a hydraulic system, the operating mechanism is used for longitudinally and horizontally moving the heavy object or adjusting the working position of the crane and is generally composed of a motor, a speed reducer, a brake and wheels.

Patent number: CN201921613790.5 discloses: an overweight alarm device for a crane sling; the device comprises a mounting shell, wherein a round roller is movably arranged in the mounting shell, a lifting ring is fixedly arranged at the periphery of the round roller, a connecting block is fixedly arranged at the bottom of the lifting ring, a hook is movably arranged in the connecting block through a rotating shaft, a connecting rod is fixedly arranged on the side wall of the round roller, a spring is fixedly arranged in the mounting shell, a cushion block is fixedly arranged at the top of the spring, a pressure sensor is fixedly arranged at the bottom of the spring, a processor is electrically connected with the pressure sensor, and a warning device is electrically connected with the processor; the crane has the advantages of detecting load and alarming in time, and simultaneously can eliminate the rotation of a steel cable caused by torque force during lifting, so that the problems that when a crane lifts an overweight object, the load of a power device of the crane is overlarge, the device is faulty, and accidents such as damage and even rollover of a suspension arm are caused in serious conditions are solved.

The overweight alarm device for the crane sling in the above text has the following disadvantages that 1. When the pressure sensor is installed and the distance between the hanger is relatively close, and the hanger is in direct contact with the sensor, the sensor is not easy to detach and replace when the sensor is damaged, and meanwhile, numerical values cannot be directly fed back. 2. The design to the couple lacks the unexpected risk of unhooking that causes when great to the hoist and mount article, lacks to set up the dog in couple department, and factor of safety is lower, has certain working risk.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an overweight alarm device of a lifting sling, which has the characteristic of safer operation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a lifting hook, a tension sensor and a feedback device, wherein a pin is movably arranged on the surface of the lifting hook, stop blocks are fixedly arranged at two ends of the pin, an elastic belt is fixedly arranged on the surface of each stop block, a fixing block is fixedly connected with the tail part of each elastic belt, a steel wire rope is fixedly connected with the tail part of each fixing block, a U-shaped block is arranged on the surface of each steel wire rope in a contact manner, and a through hole is formed in each U-shaped block.

As an overweight alarm device of the lifting sling, the utility model adopts the preferable technical scheme that the surface of the U-shaped block is provided with the steel wire groove, the surface of the steel wire groove is provided with the steel wire rope in a contact manner, and the tail part of the steel wire rope is provided with the fixed block in a contact manner.

As an overweight alarm device of the lifting sling, the utility model adopts the preferable technical scheme that the surface of the through hole is provided with the steel wire rope in a contact manner, and the surface of the steel wire rope is provided with the U-shaped fixing device in a contact manner.

As an overweight alarm device of the lifting sling, the utility model adopts the preferable technical scheme that the surface of the U-shaped fixing device is provided with threads, the surfaces of the threads are meshed with bolts, the surfaces of the bolts are contacted with tension sensors, and the surfaces of the tension sensors are fixedly provided with signal wires.

As an overweight alarm device of the lifting sling, the utility model adopts the preferable technical scheme that a feedback device is fixedly arranged on the surface of the tension sensor, a display screen is fixedly arranged on the surface of the feedback device, and alarms are fixedly arranged on two sides of the display screen.

As an overweight alarm device of the lifting sling, the utility model adopts the preferable technical scheme that the surface of the feedback device is fixedly connected with a signal wire, and the tail part of the signal wire is fixedly connected with a tension sensor.

1. When the device is used, the tension sensor and the rope are indirectly contacted through the U-shaped block, so that a hoisted article can be weighed through the tension of the rope, the tension sensor and the U-shaped fixing device can be directly measured by contacting the rope with the steel wire groove on the surface of the U-shaped block, meanwhile, the U-shaped fixing device and the tension sensor are fixed through bolts, so that the trouble of later maintenance and replacement is avoided, and meanwhile, the display screen is arranged on the surface of the feedback device, so that the weight display is more obvious;

2. when the lifting hook is used, the lifting hook can be closed by arranging the pins on the surface of the lifting hook and fixedly connecting the pins with the tail parts of the stop blocks, and the stop blocks can be automatically reset by connecting the stop blocks with the elastic belts, so that the unhooking phenomenon when a heavy object is lifted is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the front view of the structure of the present utility model;

FIG. 2 is a schematic diagram of the left side of the structure of the present utility model;

FIG. 3 is a schematic view of a U-shaped block structure according to the present utility model;

FIG. 4 is a schematic diagram of a feedback device according to the present utility model;

fig. 5 is a schematic structural diagram of a tension sensor according to the present utility model.

In the figure: 1. a lifting hook; 2. a stop block; 3. an elastic belt; 4. a pin; 5. a fixed block; 6. a wire rope; 7. a U-shaped block; 71. a wire groove; 72. a through hole; 8. a feedback device; 81. a display screen; 82. an alarm; 9. a thread; 10. a bolt; 11. a tension sensor; 111. u-shaped fixing device; 112. and a signal line.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, the present utility model provides the following technical solutions: including lifting hook 1, tension sensor 11, feedback device 8, the surface movable mounting of lifting hook 1 has pin 4, and the both ends fixed mounting of pin 4 has dog 2, and the fixed surface of dog 2 installs elastic webbing 3, and the afterbody fixedly connected with fixed block 5 of elastic webbing 3, the afterbody fixedly connected with wire rope 6 of fixed block 5, and U-shaped piece 7 is installed in the surface contact of wire rope 6, and through-hole 72 has been seted up to the inside of U-shaped piece 7.

The pin 4 is arranged inside the lifting hook 1, so that the stop block 2 can move inside the lifting hook 1, and the stop block 2 can be automatically returned by arranging an elastic belt on the surface of the lifting hook 1 and connecting the elastic belt with the fixed block 5, so that the steel wire rope 6 is fixed by arranging the fixed block 5 at the tail part of the steel wire rope 6.

Example two

Referring to fig. 2-3, a steel wire groove 71 is formed in the surface of the u-shaped block 7, a steel wire rope 6 is mounted on the surface of the steel wire groove 71 in a contact manner, and a fixing block 5 is mounted on the tail portion of the steel wire rope 6 in a contact manner.

The surface contact of the through hole 72 is provided with a steel wire rope 6, and the surface contact of the steel wire rope 6 is provided with a U-shaped fixing device 111.

The U-shaped fixing means 111 is able to fix the wire rope 6 by contacting it with the U-shaped block 7 and threading its tail into the through hole 72.

Example III

Referring to fig. 4-5, the surface of the u-shaped fixing device 111 is provided with threads 9, the surface of the threads 9 is engaged with a bolt 10, the surface of the bolt 10 is contacted with a tension sensor 11, and the surface of the tension sensor 11 is fixedly provided with a signal wire 112.

The surface of the tension sensor 11 is fixedly provided with a feedback device 8, the surface of the feedback device 8 is fixedly provided with a display screen 81, and both sides of the display screen 81 are fixedly provided with alarms 82.

The surface of the feedback device 8 is fixedly connected with a signal wire 112, and the tail part of the signal wire 112 is fixedly connected with a tension sensor 11.

The screw thread 9 is arranged at the tail of the U-shaped fixing device 111 and is meshed with the bolt 10, so that the tension sensor 11 can directly feed back tension, the feedback device 8 is connected with the tension sensor 11 through the signal line 112, and the numerical value can be displayed.

The working principle and the using flow of the utility model are as follows: in the use process, when the device is used for the first time, the steel wire rope 6 is connected with the hoisting machine, after the connection and the fastening are confirmed, the steel wire rope 6 is penetrated into the through hole 72 and is in contact with the steel wire groove 71, the steel wire rope 6 is fixed with the fixed block 5, unhooking caused by loose rope fixing is avoided when the device is hoisted, the U-shaped fixing device 111 is arranged on the surface of the U-shaped block 7 and is internally in contact with the steel wire rope 6, the steel wire rope 6 and the U-shaped block 7 are enabled to be arc-shaped, finally the tension sensor 11 is connected with the tail of the U-shaped fixing device, the feedback device 8 is connected with the tension sensor 11, the device is installed, the lifting hook 1 is connected with an article unhooking rope when a heavy object is hoisted, the stop block 2 is sealed with the lifting hook 1 after that the unhooking phenomenon during hoisting is avoided, the steel wire rope 6 is stretched when the heavy object is hoisted, the arc-shaped steel wire rope 6 is enabled to be straight, the tension sensor 11 is enabled to act, the tension force can be fed back into the feedback device 8, and the use safety of the lifting tool is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an overweight alarm device of jack-up hoist, includes lifting hook (1), tension sensor (11), feedback device (8), its characterized in that: the lifting hook is characterized in that a pin (4) is movably arranged on the surface of the lifting hook (1), a stop block (2) is fixedly arranged at two ends of the pin (4), an elastic belt (3) is fixedly arranged on the surface of the stop block (2), a fixing block (5) is fixedly connected to the tail of the elastic belt (3), a steel wire rope (6) is fixedly connected to the tail of the fixing block (5), a U-shaped block (7) is arranged in surface contact with the steel wire rope (6), and a through hole (72) is formed in the U-shaped block (7).

2. An overweight alarm device for a lifting appliance according to claim 1, characterized in that: the surface of U-shaped piece (7) has seted up wire groove (71), wire rope (6) are installed in the surface contact in wire groove (71), fixed block (5) are installed in the afterbody contact in wire rope (6).

3. An overweight alarm device for a lifting appliance according to claim 1, characterized in that: the surface contact of through-hole (72) is installed wire rope (6), the surface contact of wire rope (6) is installed U-shaped fixing device (111).

4. An overweight alarm device for a lifting appliance according to claim 3, characterized in that: screw threads (9) are formed in the surface of the U-shaped fixing device (111), bolts (10) are installed on the surfaces of the screw threads (9) in a meshed mode, a tension sensor (11) is installed on the surface of each bolt (10) in a contact mode, and a signal wire (112) is fixedly installed on the surface of each tension sensor (11).

5. An overweight alarm device for a lifting appliance according to claim 1, characterized in that: the surface of the tension sensor (11) is fixedly provided with a feedback device (8), the surface of the feedback device (8) is fixedly provided with a display screen (81), and both sides of the display screen (81) are fixedly provided with alarms (82).

6. An overweight alarm device for a lifting appliance according to claim 1, characterized in that: the surface of the feedback device (8) is fixedly connected with a signal wire (112), and the tail part of the signal wire (112) is fixedly connected with a tension sensor (11).