CN202785449U - Rope coiling-and-uncoiling all-in-one crane - Google Patents

Abstract

The utility model discloses a hoisting integrated machine for retracting and unwinding wires, which belongs to the technical field of hoisting machinery and comprises a freely movable base, a wire wheel for winding a steel wire rope, a support arm and a power source, the wire wheel, the support arm and the power source The power sources are all fixed on the base, and the power output by the power source is connected to the wire wheel through the speed regulating device, and the wire rope wound on the wire wheel is connected to the hook through the pulley set on the support arm in the middle of the base. The utility model has the advantages of simple structure and convenient operation, and can automatically take in and out the wire when lifting heavy objects, saves time and labor, and has high working efficiency.

Description

Take-up and release line lifting machine

technical field

The utility model relates to a device for hoisting heavy objects by using steel wire ropes, which belongs to the technical field of hoisting machinery, in particular to an integrated machine capable of automatically retracting and releasing wires and lifting.

Background technique

At present, in the process of power grid construction, it is often necessary to move large-volume spools, transformers and other equipment. Due to the large size and weight of these equipment, it is very uneconomical to use manual work. Some commonly used lifting devices can carry heavy objects in the construction process, such as cranes in construction machinery, etc. Although these large mechanical devices can be easily carried, these devices are large in size and cannot be used in some narrow construction sites. It is easy to operate, and the cost of renting or purchasing these equipment is huge, which is difficult for general construction units to bear.

In order to easily and freely carry heavy objects in various construction sites, on-site construction personnel have developed some small-scale heavy object handling devices based on experience. These devices generally include a movable base, and a lifting mechanism is provided on the base. When in use, it is convenient and fast to use the lifting mechanism to lift the equipment that needs to be transported. However, the lifting mechanism needs to use the steel wire retraction operation. Generally, these are manually turned by the operating handle to retract and release the wire. This method is time-consuming and laborious, and the work efficiency is very low.

Utility model content

The technical problem to be solved by the utility model is to provide an all-in-one hoisting machine for retracting and unwinding wires. The equipment has a simple structure and is easy to operate. efficiency.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: an all-in-one machine for lifting and unwinding wires, which is characterized in that it includes a base that can move freely, a wire wheel for winding a wire rope, a support arm and a power source. The wire wheel, support arm and power source are all fixed on the base, wherein the power source is connected with the wire wheel through the speed regulating device, and the wire rope wound on the wire wheel is connected with the hook through the pulley set on the support arm in the middle of the base.

To further limit the above structure, the speed regulating device is provided with a differential for adjusting the direction of rotation, and the differential is connected to the shift lever on the upper surface of the case. The utility model uses a differential to control the positive and negative rotation of the speed regulating device to realize the winding and unwinding of the wire wheel. The external shift lever has two gear positions, which are connected with the differential and controlled by the internal differential device to realize The positive and negative rotation of the speed regulating device is convenient for operation.

To further restrict the above structure, a clutch and two brakes are also provided in the speed regulating device, and the clutch and the two brakes are respectively connected to three external pedals. The utility model also uses three external pedals to connect with the clutch and two brakes, and the pedals that control the clutch realize the on-off of the speed regulating device. There are two brake pedals, and one brake pedal is used to control the lifting of the hook. The other brake pedal is used to control the rotating speed of the wire wheel to realize the speed control of wire take-up, which saves time and effort, and is easy to operate. This structure is similar to the control mode of motor vehicles, and is also easily accepted by ordinary operators.

To further limit the above structure, the support arm is located between the wire wheel and the differential, on the axis of the base, and its structure is a cantilever rod that can rotate around a vertical axis, and fixed pulleys are fixed at both ends of the horizontal cantilever. The wire rope passing on the fixed pulley connects the suspension hook with the wire wheel. The supporting arm in the utility model freely rotates around its fixed shaft, which expands the range of its lifting. When lifting different equipment, the height of the supporting arm can be adjusted to expand its applicable range.

To further limit the above structure, the top of the support arm is provided with a fixed line connected to the base. The utility model can connect the top of the support arm with the base through several fixing wires, so as to strengthen the firmness of the support arm and improve safety.

To further limit the above structure, a pull rod is provided at the right end of the base. The pull rod in the utility model can be used to move the device to realize rapid movement.

The beneficial effects produced by adopting the above technical solution are: the utility model is an independently designed all-in-one machine that can automatically take in and out the wire and lift heavy objects. It can lift heavy objects, has a simple structure and is easy to use. It can effectively replace large-scale lifting equipment and is used for lifting and hoisting work on transmission lines such as spools and transformers in narrow areas. In addition, this equipment is based on the operating habits of general motor vehicles. Using three pedals and a shift lever to control the speed and direction of the wire wheel rotation, no need to manually turn the operating handle to take in and out the wire, which is not only convenient for the user to operate, but also can greatly improve work efficiency.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

Among them: 1. Hook, 2. Wire wheel, 3. Base, 4. Support arm, 5. Reinforcement wire, 6. Shift lever, 7. Differential, 8. Power source, 9. Pedal, 10. Pull rod .

Detailed ways

As can be seen from the accompanying drawings, the utility model specifically relates to an all-in-one machine for lifting and unwinding wires, including a freely movable base 3, a wire wheel 2 for winding a steel wire rope, a support arm 4 and a power source 8, and three wheels are arranged under the base 3 , is used to support and move the equipment. In actual use, the power source 8 generally uses fuel power, such as a diesel engine or a gasoline engine. Since it may be constructed in the field, it is not recommended to use an electric motor.

The wire wheel 2, the support arm 4 and the diesel engine 8 in the utility model are all fixed on the base 3, wherein the power output by the diesel engine is connected with the wire wheel 2 through the speed regulating device, and the winding steel wire rope on the wire wheel 2 is arranged on the base 3 The block pulley on the support arm 4 in the middle is connected with the suspension hook 1 . The utility model utilizes mechanical transmission, dynamic and fixed pulley group mechanical working principle, utilizes support arm 4 to carry out hoisting, and support arm 4 generally adopts steel pipe, and lifting height is through manual control, simple and flexible.

The speed regulating device is provided with a differential gear 7 for adjusting the direction of rotation, and the differential gear 7 is connected with the shift lever 6 on the upper surface of the casing. A clutch and two brakes are also arranged in the speed regulating device, and the clutch and the two brakes are respectively connected with three external pedals 9 . The speed regulating device is controlled by brakes, one brake is used for lifting, and the second brake is used for winding, which is easy to operate. The equipment is small in size and easy to operate. It is suitable for narrow spaces where large mechanical equipment cannot be used for construction. This machine can hoist transformers and spools. Combined with the construction method of using old lines with new lines, the winding and unwinding can be completed at one time, saving time and labor. , Improve work efficiency and effectiveness.

The support arm 4 is located between the wire pulley 2 and the differential 7, on the axis of the base 3, and its structure is a cantilever rod that can rotate around a vertical axis. The two ends of the horizontal cantilever are fixed with fixed pulleys. The passing wire rope connects the suspension hook 1 with the wire wheel 2. The top of the support arm 4 is provided with a fixed line 5 connected to the base 3 . The right end of the base 3 is provided with a pull rod 10 .

The utility model is applied to the construction and maintenance of transmission lines. It can hoist transformers and hoist spools. Combined with the construction method of bringing new lines with old lines, the line can be retracted and unwound once, saving time and labor, and improving work efficiency and benefits. Due to the increasing difficulty of construction due to the increase of the line path, this machine effectively overcomes the time-consuming and labor-intensive phenomenon of manual take-up and release, and only two people can complete the work of take-up and take-off. This equipment has been widely used in the urban upgrading and renovation project of Xinhe County, and has saved more than 100,000 yuan in labor costs and other expenses. the

Claims (6)

1. retractable cable hoisting integrated machine, it is characterized in that comprising the base (3) that can move freely, line wheel (2), hold-down arm (4) and the propulsion source (8) of lay winding wire ropes, described line wheel (2), hold-down arm (4) and propulsion source (8) all are fixed on the base (3), wherein propulsion source (8) is connected with line wheel (2) through speed regulation device, and the upper steel rope that twines of line wheel (2) is connected with suspension hook (1) through the assembly pulley on the hold-down arm (4) that is arranged at base (3) middle part.

2. retractable cable hoisting integrated machine according to claim 1 is characterized in that being provided with the diff (7) of regulating rotation direction in the described speed regulation device, and described diff (7) is connected with the gear level (6) of its casing upper surface.

3. retractable cable hoisting integrated machine according to claim 2 is characterized in that also being provided with in the described speed regulation device power-transfer clutch and two brakes, and described power-transfer clutch is connected with three pedals (9) of outside respectively with two brakes.

4. retractable cable hoisting integrated machine according to claim 3, it is characterized in that described hold-down arm (4) is positioned between line wheel (2) and the diff (7), on the axis of base (3), its structure is the cantilever lever that can rotate around vertical axes, the two ends of its horizontal boom are fixed with fixed pulley, and the steel rope that passes through on the described fixed pulley is connected suspension hook (1) with line wheel (2).

5. retractable cable hoisting integrated machine according to claim 4 is characterized in that the top of described hold-down arm (4) is provided with the static line (5) that is connected with base (3).

6. the described retractable cable hoisting integrated machine of any one according to claim 1-5 is characterized in that the right-hand member of described base (3) is provided with pull bar (10).

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