CN211920741U

CN211920741U - Small winch wire rope end protector

Info

Publication number: CN211920741U
Application number: CN202020577995.9U
Authority: CN
Inventors: 徐冀新
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-13
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a winch cable head protector, which comprises an inner cylinder, a cable rope and a fixing plate, wherein the steel wire rope is used for passing through a folded steel wire rope, one end of the fixing plate is fixed on one side of the inner cylinder, the other end of the fixing plate is provided with two fixing holes, and the two fixing holes are provided with U-shaped fixing bolts; the utility model has the advantages that: the winch has the advantages that personnel cooperation is not needed, the operation risk of elastic injury personnel is avoided, the winch is freely retracted and extended, the risk of injury of personnel is avoided, the cost for replacing the steel wire rope is reduced, the operation is simple, the processing is convenient, the equipment cost is low, the protection effect is good, and the application range is wide.

Description

Small winch wire rope end protector

Technical Field

The utility model belongs to the technical field of wire rope head protection device, and relates to a wire rope head protector of small winch, belongs to wire rope head protection device field.

Background

In the process of overhaul and sidetracking operation of the drilling machine, the use frequency of the small winch is high, the contact surface of personnel is large on a construction site, the rope head of the steel wire rope of the small winch with the diameter of 16mm is easy to crack after being used for multiple times in the construction process, so that the steel wire rope is frequently replaced, and the stopper (ratchet wheel and pawl) is arranged on the transmission mechanism for rotating the handle of the small winch, so that a heavy object can be kept at a required position. The hand winch for assembling or lifting heavy objects should also be provided with a safety handle and a brake. Hand winches are typically used in locations where the hoisting capacity is low, where the facility conditions are poor or where there is no power supply. The driving mechanism of the handle rotation of the hand winch is provided with a stopper (a ratchet wheel and a pawl) which can keep the heavy object at a required position. The hand winch for assembling or lifting heavy objects should also be provided with a safety handle and a brake.

In recent years, the overhaul sidetracking service is developed rapidly, the operation procedures are complex and various, the equipment runs 24 hours every day, the utilization rate is high, sidetracking operation needs to be carried out in an open hole section, a single piece is added frequently, the frequency of using a small winch is high, the rope end of a steel wire rope of the small winch is easy to crack, the small winch is an important component of equipment integrity and standard matching in the overhaul operation process, the labor intensity of workers is greatly saved in the construction, and the following defects exist: 1 risk of injury to the person. When small tools are hoisted, the guardrail and accessories of the drill floor are easily hoisted, and workers are injured by bullets. The lowering is easy to take a place of the barrier to generate a steel wire rope loosening state, if the driller makes a judgment error, the hanging object is suspended in a half-empty state, the lifting hook is easy to be lowered suddenly, and operators on the lower part are injured by a crashing object. The winch is lifted to the head of the steel wire rope, and the broken rope end of the steel wire rope is easy to injure the gloves and skin of operators, so that potential safety hazards are generated; 2 risk of damage to the equipment. If the attention of the driller is not focused, the rope head of the steel wire rope which is lifted and lowered is easily hung on an obstacle, so that the steel wire rope of the small winch is broken, and meanwhile, the small winch assembly is easily damaged, so that serious equipment damage is caused and higher economic loss is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to design a little winch wire rope head protector, easy operation, processing is convenient, and equipment cost is low, and the protection effect is good, and application scope is wide.

The technical scheme of the utility model is that:

the small winch steel wire rope head protector comprises an inner barrel and a steel wire rope, wherein the steel wire rope head protector is used for penetrating through a folded steel wire rope, one end of a fixing plate is fixed to one side of the inner barrel, two fixing holes are formed in the other end of the fixing plate, and U-shaped fixing bolts are arranged in the two fixing holes and used for fixing the steel wire rope firmly. The connection is simple, and the steel wire rope is more attached to the inner barrel.

The two fixing holes are respectively a circular rope clamping hole and an oval rope clamping adjusting hole.

The upper end of the inner cylinder is a 45-degree chamfer, so that a steel wire rope can conveniently penetrate into the inner cylinder, and the inner cylinder can slide through a barrier more easily.

The inner diameter of the inner barrel is 35mm, the length of the inner barrel is 120mm, the wall thickness of the steel plate is 5mm, the steel wire rope is tightly attached to the inner barrel, the operation is convenient, and the length is moderate.

Processing cast iron into an inner cylinder, and fixing the lower part of the inner cylinder with a steel wire rope; the operation mode is simple and convenient; the operation can be realized by 1 person.

The fixed plate is a circular steel plate with the wall thickness of 7mm, and the tail part of the fixed plate is welded on the inner cylinder. The wall thickness is 7mm, the length is 13cm, angle iron with the wall thickness of 7mm can be selected, the toughness is high, and the length is moderate.

When the device is used, the rope head of the steel wire rope penetrates through the inner barrel of the protector from top to bottom, the rope head penetrates through the lifting hook lifting ring and then is folded to penetrate into the inner barrel in a double-up mode from bottom to top, and the U-shaped steel wire rope clamp penetrates through the hole of the fixing plate to be fixed. And 2-3 rope clamps are arranged between the protector and the lifting hook according to the load requirement to fix and prevent the falling.

The utility model has the advantages that: the winch has the advantages that personnel cooperation is not needed, the operation risk of elastic injury personnel is avoided, the winch is freely retracted and extended, the risk of injury of personnel is avoided, the cost for replacing the steel wire rope is reduced, the operation is simple, the processing is convenient, the equipment cost is low, the protection effect is good, and the application range is wide.

The present invention will be further explained with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an inner cylinder of a rope end protector of a winch according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing plate of a rope end protector of a winch according to an embodiment of the present invention;

fig. 3 is a sectional view of the fixing plate of the rope end protector of the winch according to the embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.

Example 1

As shown in fig. 1-3, a winch cable head protector comprises an inner cylinder 1 for passing a folded steel cable with a diameter of 16mm, one side of the inner cylinder 1 is fixed with one end of a fixing plate 2, the other end of the fixing plate 2 is provided with two fixing holes, and the two fixing holes are provided with U-shaped fixing bolts for fixing the steel cable firmly.

The inner cylinder 1 and the fixing plate 2 are welded and fixed through a welding part 3.

The two fixing holes are respectively a circular rope clamping hole 21 and an oval rope clamping adjusting hole 22.

The upper end of the inner barrel 1 is a 45-degree chamfer, so that a steel wire rope can conveniently penetrate through the chamfer.

The inner diameter of the inner cylinder 1 is 35mm, the length of the inner cylinder is 120mm, and the wall thickness of the steel plate is 5 mm.

The rope end protector device is divided into a protection module (inner cylinder 1), a connecting module (inner cylinder and fixing plate welding part 3) and a fixing module (fixing plate 2).

Inner cylinder: the fixing is firm, two steel wire ropes with the diameter of 16mm can pass through the device at the same time, and the device does not shake. The angle iron is processed into an oval inner cylinder, the upper part of the inner cylinder is processed into a chamfer of 45 degrees, the inner diameter of the inner cylinder is 35mm, the length of the inner cylinder is 120mm, and the wall thickness of a steel plate is 5 mm. The connection is simple, and the steel wire rope is more attached to the inner barrel. The oval shape is more likely to slide over obstacles.

The inner diameter of the inner cylinder is 35mm, the length of the inner cylinder is 12cm, the inner diameter is 35mm, the steel wire rope is tightly attached to the inner cylinder, the operation is convenient, and the length is moderate.

Fixing a plate: the fixing is firm, the steel wire rope with the diameter of 16mm can be fixed, and the device does not shake. The angle iron is processed into a round object with a handle at the lower part, one end of the handle is welded on the inner cylinder, two screw holes capable of penetrating through the rope clip screw rod are arranged at the corresponding position of the fixing plate, and the tensile strength of 7mm is more than 5 tons. The connection is simple, the tensile strength is high, and the field standardization installation effect is more facilitated.

Material selection: 45# steel has high firmness and can resist high temperature of more than 150 ℃.

The specific operation method comprises the following steps: the rope clamps of the small winch are detached one by one, the small hook is taken out, the inner tube connecting and fixing plate of the rope head protector of the small winch is threaded into the main rope (the fixing plate faces downwards), the accessory rope is folded in half, the head of the accessory rope is threaded into the inner tube of the rope head protector, the fixing plate is connected to the main rope by using the 18mm rope clamp, and the lower part of the accessory rope is fixed by three rope clamps at intervals of 15 cm.

The inner diameter of the inner cylinder is 35mm, the top of the inner cylinder is processed into a chamfer angle of 45 degrees, the length of the inner cylinder is 120mm, and the bearing tension is more than 5 tons. The wall thickness of the steel plate is 5mm, and the bearable tension is more than 5 tons.

The wall thickness of the fixed plate is 7mm, the length of the fixed plate is 130mm, and the wall thickness can bear tension more than 5 tons.

Cost and cost: the market price of the angle iron is 0.7 yuan/kg, and the cost of manufacturing the angle iron is 14 yuan according to the mass of 20kg required by use.

Repair shop processing inner cylinder + fixing plate cost 186 yuan

The total cost is as follows: 14+186 =200 yuan.

In the operation of using the small winch, in order to prevent the wire rope head from hanging and colliding with the barrier, personnel are needed to cooperate, the personnel are easily injured by the small winch, the working strength of the personnel is high, and the personnel waste time and energy. The economic loss of personal injury and social impact cannot be estimated. After improvement, personnel cooperation is not needed, the operation risk of elastic injury personnel is avoided, the winch is freely retracted and extended, the risk of injury of the personnel is avoided, and the economic benefit cannot be estimated.

The normal operation needs 2 people cooperation operations, realizes now that 1 people's operation can accomplish the operation, and other personnel do other work simultaneously for the operation speed shortens duty cycle, improves work efficiency, and indirect improvement economic benefits can't estimate.

Because each well is added with a single small article. The hanging and collision times of the rope head of the steel wire rope are more every day, and the replacement is frequent. Material cost: the overhaul sidetracking branch company 13 teams need to cut off 2 meters when changing the rope ends of the steel wire ropes each time, and need to change 30 times each team every year, and the material cost is 15600 yuan according to the calculation of 1 meter and 20 yuan. Labor cost: the overhaul sidetracking branch company 13 teams need two persons for replacement each time according to the standard of 30 yuan/hour, the use time is 2 hours, the replacement is carried out 30 times per month, and the labor cost is 46800 yuan. The small winch steel wire rope end protector saves cost for major repair sidetracking branch companies each year: the material cost and the personnel cost are about 62400 yuan, and the injury benefit of the personnel cannot be estimated.

The optimized design of the protective sleeve for preventing the winch steel wire rope end from being loosened and injuring people effectively reduces the operation risk of workers during operation, and if the workers are injured due to the use of the winch, the economic loss and the social influence cannot be estimated.

Claims

1. The small winch wire rope end protector is characterized in that: the steel wire rope fixing device comprises an inner cylinder and a fixing plate, wherein the steel wire rope penetrates through the folded steel wire rope, one end of the fixing plate is fixed to one side of the inner cylinder, two fixing holes are formed in the other end of the fixing plate, and U-shaped fixing bolts are arranged in the two fixing holes.

2. The drawworks wire rope end protector of claim 1, wherein: the two fixing holes are respectively a circular rope clamping hole and an oval rope clamping adjusting hole.

3. The drawworks wire rope end protector of claim 1, wherein: the upper end of the inner cylinder is a 45-degree chamfer.

4. The drawworks wire rope end protector of claim 1, wherein: the inner diameter of the inner cylinder is 35mm, the length of the inner cylinder is 120mm, and the wall thickness of the steel plate is 5 mm.

5. The drawworks wire rope end protector of claim 1, wherein: the fixed plate is a circular steel plate with the wall thickness of 7mm, and the tail part of the fixed plate is welded on the inner cylinder.