阅读说明：本技术 一种制作钢丝绳梨形头的方法 (Method for manufacturing pear-shaped head of steel wire rope ) 是由 张君 杨荣青 董辉 段文明 于 2019-11-06 设计创作，主要内容包括：本发明提供一种制作钢丝绳梨形头的方法,包括以下步骤：第一步：施工准备,切断钢丝绳至所需长度；第二步：将钢丝绳沿正向穿入梨形头；第三步：将梨形头放入拉紧装置中的卡槽内,且将钢丝绳的端部与拉紧装置中的驱动件相连,启动驱动件拉动钢丝绳且钢丝绳被反向拉动,直至钢丝绳拉紧；第四步：取出梨形头,完成钢丝绳与梨形头的定位拉紧。本发明通过在拉紧装置一端的卡槽固定梨形头,在装置另一端利用驱动件拉紧钢丝的方法,解决了现有技术中制作梨形头效率低,大锤敲击梨形头的过程中易打偏、打滑、打空,损伤钢丝绳的问题。(The invention provides a method for manufacturing a pear-shaped head of a steel wire rope, which comprises the following steps: the first step is as follows: construction preparation, cutting the steel wire rope to a required length; the second step is that: the steel wire rope is inserted into the pear-shaped head along the positive direction; the third step: placing the pear-shaped head into a clamping groove in a tensioning device, connecting the end part of the steel wire rope with a driving part in the tensioning device, starting the driving part to pull the steel wire rope, and pulling the steel wire rope reversely until the steel wire rope is tensioned; the fourth step: and taking out the pear-shaped head to complete the positioning and tensioning of the steel wire rope and the pear-shaped head. According to the invention, the pear-shaped head is fixed by the clamping groove at one end of the tensioning device, and the steel wire is tensioned by the driving part at the other end of the device, so that the problems that the efficiency of manufacturing the pear-shaped head is low, the pear-shaped head is easy to deflect, slip and blank in the process of knocking the pear-shaped head by a sledge hammer, and the steel wire rope is damaged in the prior art are solved.)

1. A method of making a pear-shaped head of steel wire rope, comprising the steps of:

the first step is as follows: construction preparation, cutting the steel wire rope to a required length;

the second step is that: the steel wire rope is inserted into the pear-shaped head along the positive direction;

the third step: placing the pear-shaped head into a clamping groove in a tensioning device, connecting the end part of the steel wire rope with a driving part in the tensioning device, starting the driving part to pull the steel wire rope, and pulling the steel wire rope reversely until the steel wire rope is tensioned;

the fourth step: and taking out the pear-shaped head to complete the positioning and tensioning of the steel wire rope and the pear-shaped head.

2. A method of making a wire rope pear head according to claim 1, wherein: in the tensioning device, the clamping groove and the driving piece are positioned at two opposite ends of the tensioning device.

3. A method of making a wire rope pear-shaped head according to claim 2, wherein: the tensioning device comprises a supporting frame, the clamping groove is located on the upper surface of the supporting frame, and the driving piece is arranged in the supporting frame.

4. A method of making a wire rope pear head according to claim 3, wherein: and the bottom of the supporting frame is provided with a roller.

5. A method of making a wire rope pear head according to claim 3, wherein: the upper surface of the supporting frame is also provided with a guide groove for guiding the steel wire rope to move.

6. A method of making a wire rope pear head according to claim 1, wherein: the driving piece is an electric hoist.

7. A method of making a wire rope pear head according to claim 6, wherein: and the electric block is fixedly connected with the end part of the steel wire rope through a locking chain.

8. A method of making a wire rope pear head according to claim 1, wherein: the end of the steel cable is broken up before the steel cable is connected with the driving member.

Technical Field

The invention relates to a method for manufacturing a pear-shaped head of a steel wire rope, in particular to a method for manufacturing a pear-shaped head of a steel wire rope for a grab bucket.

Background

The traditional method for manufacturing the pear-shaped head of the steel wire rope comprises the following steps: and after the steel wire rope passes through the pear-shaped head, beating the rope head of the steel wire rope into a strand of the steel wire rope, knocking the pear-shaped head back to the position of the broken steel wire rope by using a sledge hammer, and finally performing lead pouring operation on the pear-shaped head. In the construction process of carrying out the pyriform head and knocking back, single pyriform head need use the sledgehammer repeatedly and strike 6 ~ 10 times, because the appearance characteristic of pyriform head, the strike face of sledgehammer is minimum, often takes place the sledgehammer to beat the condition that damages wire rope and sledgehammer beat partially, skid, beat sky, and the efficiency of construction is low, and has certain potential safety hazard.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a method for manufacturing a pear-shaped head of a steel wire rope, which is used for solving the problems that in the prior art, a plurality of pear-shaped heads are manufactured at a time, the construction efficiency is low, and the steel wire rope is easy to deviate, slip and empty in the process of knocking the pear-shaped heads by a sledge hammer and is damaged.

To achieve the above and other related objects, the present invention provides a method for manufacturing a pear-shaped head of a steel wire rope, comprising the steps of:

the first step is as follows: construction preparation, cutting the steel wire rope to a required length;

the second step is that: the steel wire rope is inserted into the pear-shaped head along the positive direction;

the third step: placing the pear-shaped head into a clamping groove in a tensioning device, connecting the end part of the steel wire rope with a driving part in the tensioning device, starting the driving part to pull the steel wire rope, and pulling the steel wire rope reversely until the steel wire rope is tensioned;

the fourth step: and taking out the pear-shaped head to complete the positioning and tensioning of the steel wire rope and the pear-shaped head.

Preferably, in the tensioning device, the clamping groove and the driving piece are positioned at two opposite ends of the tensioning device.

Preferably, the tensioning device comprises a support frame, the clamping groove is located on the upper surface of the support frame, and the driving piece is arranged in the support frame.

Preferably, the bottom of the supporting frame is provided with a roller.

Preferably, the upper surface of the support frame is further provided with a guide groove for guiding the travel of the steel wire rope.

Preferably, the driving member is an electric block.

Preferably, the electric hoist is fixedly connected with the end part of the steel wire rope through a locking chain.

Preferably the end of the cable is broken before the cable is connected to the drive member.

As mentioned above, the method for manufacturing the pear-shaped head of the steel wire rope has the following beneficial effects:

according to the invention, the pear-shaped head is fixed in the clamping groove at one end of the tensioning device, and the steel wire rope is tensioned by the driving part at the other end of the tensioning device, so that the steel wire rope is reversely bent and tensioned and positioned with the pear-shaped head, and the problems that the pear-shaped head is low in manufacturing efficiency, and the steel wire rope is easily deflected, slipped, emptied and damaged in the process of knocking the pear-shaped head by a sledge hammer in the prior art are solved.

Drawings

Fig. 1 shows a schematic view of a process flow for manufacturing a pear-shaped head of a steel wire rope according to the invention.

Fig. 2 shows a top view of the steel cable pear-shaped head locking device of the present invention.

Fig. 3 shows a front view of the pear lock of the present invention.

1 card slot

2 driving member

3 support frame

100 locking device

Detailed Description

The invention discloses a method for manufacturing a pear-shaped head of a steel wire rope, which comprises the following steps as shown in figure 1:

the first step is as follows: construction preparation, cutting the steel wire rope to a required length;

the second step is that: the steel wire rope is inserted into the pear-shaped head along the positive direction;

the third step: placing the pear-shaped head into a clamping groove in a tensioning device, connecting the end part of the steel wire rope with a driving part in the tensioning device, starting the driving part to pull the steel wire rope, and pulling the steel wire rope reversely until the steel wire rope is tensioned;

the fourth step: and taking out the pear-shaped head to complete the positioning and tensioning of the steel wire rope and the pear-shaped head.

According to the invention, the pear-shaped head is fixed in the clamping groove at one end of the tensioning device, and the steel wire rope is tensioned by the driving part at the other end of the tensioning device, so that the steel wire rope is reversely bent and tensioned and positioned with the pear-shaped head, and the problems that the pear-shaped head is low in manufacturing efficiency, and the steel wire rope is easily deflected, slipped, emptied and damaged in the process of knocking the pear-shaped head by a sledge hammer in the prior art are solved.

In order to better realize the third step, specifically, as shown in fig. 2 to 3, in the tensioning device 100, the clamping groove 1 and the driving part 2 are located at opposite ends of the tensioning device 100, the tensioning device 100 includes a supporting frame 3, the clamping groove 1 is located on an upper surface of the supporting frame 3, as shown in fig. 2, the driving part 2 is arranged in the supporting frame 3, as shown in fig. 3, the driving part 3 is an electric block, the electric block is fixedly connected with an end of the steel wire rope through a locking chain, in the tensioning process, the pear-shaped head is placed in the clamping groove of the tensioning device, the end of the steel wire rope placed in the pear-shaped head is scattered, the other end of the steel wire rope is connected with the driving part of the tensioning device, the driving part is started to pull the steel wire rope, and the steel wire rope is pulled reversely until. In the tensioning and positioning of the steel wire rope and the pear-shaped head, the hammer head is not needed to be manually beaten and bent, the tensioning device is adopted to automatically realize the reverse bending and tensioning of the steel wire rope, and the manufacturing efficiency of the pear-shaped head of the steel wire rope is improved.

In conclusion, the method for fixing the pear-shaped head through the clamping groove at one end of the tensioning device and stretching the steel wire at the other end of the device by using the driving piece solves the problems that the efficiency of manufacturing the pear-shaped head is low, and the pear-shaped head is easy to deviate, slip and empty and damage the steel wire rope in the process of knocking the pear-shaped head by the sledge hammer in the prior art. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.