CN202656119U - Tight rope tensioning device - Google Patents

Abstract

The utility model belongs to the technical field of machinery, in particular to a rope tensioning device applied to various brackets to mechanically and stably bind objects carried by the brackets. A tensioning device for a tight rope, comprising a rotating shaft, a rotating arm arranged on the rotating shaft, and a driving part that drives the rotating arm to rotate around the rotating shaft, the rotating arm has a spoon head at the bottom and a spoon at the top Spoon handle; the head of the spoon is fixedly connected to the rotating shaft; the top of the spoon handle is connected to the tight rope through a tensioner; the driving part is a telescopic oil cylinder; the piston rod of the telescopic oil cylinder is connected to the spoon The bottom of the head; the bottom of the telescopic oil cylinder is provided with mounting parts; the two ends of the rotating shaft are provided with rotating mounting parts. The device can effectively bind the material to the carrying equipment more firmly. Moreover, the device has a simple structure, small volume, convenient installation, low requirements on carrying equipment, can be flexibly installed on various carrying equipment, and has a wide range of applications.

Description

A tensioning device for a tight rope

technical field

The utility model belongs to the technical field of machinery, in particular to a rope tensioning device applied to various brackets to mechanically and stably bind objects carried by the brackets. the

Background technique

When using mechanical brackets and other equipment to carry or lift large materials (especially round tubular materials), in order to prevent damage and danger caused by the material falling off the bracket due to vibration, the materials need to be reinforced and bound during loading. Since the handling equipment needs greater flexibility and simplicity, and there are a variety of materials to be loaded, it is not suitable for installing cumbersome and specific binding tensions on the equipment. Some existing easy methods are to install manually operated ratchet tensioning devices on load bearing equipment such as brackets for tensioning the tight ropes used for binding. the

Such as application number 200410062101.8, the patent titled "tensioning device for belts or the like", discloses a tensioning device, which includes a tensioning frame, a tensioning handle that is rotatably mounted on the tensioning frame, For actuating a webbing reel rotatably mounted in a tensioning frame, and a drive and locking mechanism having a drive pawl and a locking pawl, the drive pawl engaging at least one ratchet, the tensioning device can be compared It is easy and labor-saving to manually bind the material bundles on the bracket. However, due to the limited tensile force of such a small-sized device itself, and the large limitation of manual operation manpower, when binding heavy materials, even if the ratchet rotates to the limit during installation, it cannot resist the shock caused by the material. Due to the excessive inertial force generated, this tensioning device cannot give the material a firm and stable binding force. a

Utility model content

The purpose of this utility model is to provide a simple and convenient automatic rope tensioning device that can bind materials more tightly to the load-carrying equipment to solve the above-mentioned problems. the

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A tensioning device for a tight rope, comprising a rotating shaft, a rotating arm arranged on the rotating shaft, and a driving part that drives the rotating arm to rotate around the rotating shaft, the rotating arm has a spoon head at the bottom and a spoon at the top Spoon handle; the head of the spoon is fixedly connected to the rotating shaft; the top of the spoon handle is connected to the tight rope through a tensioner; the driving part is a telescopic oil cylinder; the piston rod of the telescopic oil cylinder is connected to the spoon The bottom of the head; the bottom of the telescopic oil cylinder is provided with mounting parts; the two ends of the rotating shaft are provided with rotating mounting parts.

After the initial tensioning by the manual tensioner until the manual tension can no longer be adjusted, the telescopic oil cylinder is electrically controlled to make the spoon handle drive the tensioner to pull the whole back, and the tensioner further drives the tensioner to tighten. Make the material more firmly tied to the carrying equipment, to ensure that the material will not fall off and be damaged due to road conditions, equipment problems or the weight of the material itself during the transportation process. the

Preferably, the telescopic oil cylinder and the spoon handle are inclined to the same side. the

Preferably, the bottom end of the spoon head extends downward toward the spoon handle to form a mounting part; the top of the piston rod is hinged to the mounting part. the

The mounting part and the spoon handle are arranged in a structure that half surrounds the rotating shaft, so that the relatively short mounting part rotates under the thrust force of the piston rod, and drives the longer spoon handle to rotate in the opposite direction. Because the spoon handle is longer, the torque is relatively small. Large, so that the smaller piston rod thrust is converted and output from the end of the spoon handle with a larger pulling force, pulling the tight rope to bind the material more tightly. Therefore, the requirement on the telescopic force of the oil cylinder is also reduced, and the required tension force can be achieved by using a common telescopic oil cylinder with low cost and small volume. the

Preferably, the installation part includes two symmetrically arranged raised connecting plates on the outer side of which are provided with the lower lugs of the tensioning device; High link plate hinged. the

The hinge at the bottom of the oil cylinder ensures that the oil cylinder can swing slightly with the rotation of the hinged mounting part during the telescopic process of the piston rod, preventing the tensile force generated by the solid connection during swing. The piston rod flexibly swings with the mounting part and transmits the telescopic force to the mounting part with maximum power. the

Preferably, the rotating installation part includes a bearing seat and a bearing arranged in the bearing seat and fixedly connected to the end of the rotating shaft.

Preferably, the two sides of the bearing housing are provided with upper ear plates for installing tensioning devices. the

Preferably, the upper ear plate and the lower ear plate are located on the same plane. the

When installing, you only need to install the upper and lower ear plates on the load-bearing equipment through bolts, and then you can work. The upper and lower ear plates are small in size and difficult to install after installation. They can be installed on small poles and can be applied to various load-bearing equipment. Wide range of applications. the

Preferably, the telescopic oil cylinder forms an included angle of 5-20 degrees with the plane where the upper ear plate and the lower ear plate are located. the

Raise the connecting plate to raise the bottom of the oil cylinder, so that the oil cylinder and the plane where the upper and lower ear plates are located form a certain angle, so that the piston rod and the mounting part can form the best connection angle and use the smallest force to push the mounting part to rotate. Ensure that the telescopic oil shrink works with maximum efficiency. the

Preferably, the tensioner is hinged to the top of the spoon handle; an elastic member is provided for interference between the hinge at the top of the spoon handle and the tensioner. The tensioner is connected to the handle of the spoon along the direction of the handle of the spoon. the

Through the buffer hinge of the elastic parts, it is ensured that the tensioner will not hang on the spoon handle and shake at will, so that there is no stable fulcrum during manual tensioning, which makes the operation inconvenient. At the same time, when the spoon handle rotates to drive the tensioner, the tensioner The angle between the spoon handle and the spoon handle can be adjusted by itself, so that the pulling force of the spoon handle can be maximized for pulling back the tensioner, thus saving more labor. the

Preferably, one or more rotating arms are arranged on the rotating shaft. Only one telescopic oil cylinder needs to be installed on the same carrying device, and when the piston rod is in operation, it can drive all the rotating arms on the rotating shaft to work accordingly. In summary, the utility model has the following beneficial effects:

1. The device can effectively bind the material to the carrying equipment more firmly;

2. The solid connection between the spoon head and the rotating shaft, the rotatability of the rotating shaft, the hinge joint between the spoon handle and the tensioner, the mounting part and the piston rod, the bottom of the oil cylinder and the lifting connecting plate ensure the stretching force on the piston rod It can be transmitted to the spoon handle with the maximum effect, and at the same time, the small stretching force on the piston rod can be converted into a large pulling force output;

3. The telescopic force of the piston rod has high transmission efficiency in the whole structure, which reduces the requirements for the telescopic oil cylinder and the strength of the device;

4. The device is simple in structure, small in size, easy to install, low in requirements for carrying equipment, can be flexibly installed on various carrying equipment, and has a wide range of applications;

5. The device has simple structure and low production cost.

Description of drawings

Fig. 1 is a structural schematic diagram of a tensioning device for a tight rope;

Fig. 2 is a structural schematic diagram two of the tight rope tensioning device;

In the figure 1-rotating shaft, 11-bearing, 12 bearing seat, 13-upper ear plate, 2-rotating arm, 21-spoon head, 22-spoon handle, 3-telescopic oil cylinder, 31-piston rod, 32- Raise connecting plate, 33-lower lug plate.

Detailed ways

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

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law. the

Example:

As shown in the accompanying drawings, a tight rope tensioning device includes a rotating shaft 1, a rotating arm 2 arranged on the rotating shaft 1, and a driving part that drives the rotating arm 2 to rotate with the rotating shaft as the axis, and the rotating arm 2 It has a spoon head 21 located at the bottom and a spoon handle 22 located at the top; the spoon head 21 is fixedly connected to the rotating shaft 1; the top of the spoon handle 22 is connected to a tight rope through a tensioner; the drive The component is a telescopic oil cylinder 3; the piston rod 31 of the telescopic oil cylinder 3 is connected to the bottom of the spoon head 21; the bottom of the telescopic oil cylinder 3 is provided with mounting parts; the two ends of the rotating shaft 1 are provided with rotating mounting parts.

The telescopic oil cylinder 3 and the spoon handle 22 are inclined to the same side. The bottom end of the spoon head 21 extends downward toward the spoon handle 22 to form a mounting portion; the top of the piston rod 31 is hinged to the mounting portion. The installation part includes two symmetrically arranged outer sides that are provided with an elevated connecting plate 32 for installing a lower ear plate 33 of a tensioning device; Raise the connecting plate 32 to be hinged. The rotating installation part includes a bearing seat 12 and a bearing 11 arranged in the bearing seat 12 and fixedly connected to the end of the rotating shaft 1 . Both sides of the bearing seat 12 are provided with upper ear plates 13 for installing tensioning devices. The upper ear plate 13 and the lower ear plate 33 are located on the same plane. The telescopic oil cylinder 3 forms an included angle of 5-20 degrees with the plane where the upper ear plate 13 and the lower ear plate 33 are located. The tensioner is hinged to the top end of the spoon handle part 22 ; an elastic member is provided between the hinged top end of the spoon handle part 22 and the tensioner. Two rotating arms 2 are arranged on the rotating shaft 1 . the

After the manual tensioner is preliminarily tensioned until the manual tension can no longer be adjusted, the telescopic oil cylinder 3 is electrically controlled to make the spoon handle part 22 drive the tensioner to pull the whole back, and the tensioner further drives the tight rope to tighten up. Make the material more firmly tied to the carrying equipment. the

The device can effectively bind the material to the carrying equipment more firmly. Moreover, the device has a simple structure, small volume, convenient installation, low requirements on carrying equipment, can be flexibly installed on various carrying equipment, and has a wide range of applications. the

Claims (10)

1. A rope tensioning device, comprising a rotating shaft (1), a rotating arm (2) arranged on the rotating shaft (1), and a driving part that drives the rotating arm (2) to rotate around the rotating shaft as the axis, its The feature is that: the rotating arm (2) has a spoon head (21) at the bottom and a spoon handle (22) at the top; the spoon head (21) is fixedly connected to the rotating shaft (1); The top of the spoon handle (22) is connected to the tight rope through a tensioner; the driving part is a telescopic oil cylinder (3); the piston rod (31) of the telescopic oil cylinder (3) is connected to the spoon head (21 ) bottom; the bottom of the telescopic oil cylinder (3) is provided with mounting parts; the two ends of the rotating shaft (1) are provided with rotating mounting parts. 2 . The rope tensioning device according to claim 1 , characterized in that: the telescopic oil cylinder ( 3 ) and the spoon handle ( 22 ) are inclined to the same side. 3 . 3. A rope tensioning device according to claim 1 or 2, characterized in that: the bottom end of the spoon head (21) extends downward toward the spoon handle (22) to form a mounting part; the piston The top of the rod (31) is hinged with the installation part. 4. A rope tensioning device according to claim 3, characterized in that: the installation part includes two symmetrically arranged raised connecting plates with lower lugs (33) on the outside for installing the tensioning device (32); the bottom of the telescopic oil cylinder (3) is hinged to the lifting connection plate (32) through the oil cylinder connection plate integrally connected with the telescopic oil cylinder (3). 5. A rope tensioning device according to claim 4, characterized in that: the rotating installation part includes a bearing seat (12) and is fixed in the bearing seat (12) and connected to the end of the rotating shaft (1) bearing (11). 6. A rope tensioning device according to claim 5, characterized in that: upper ear plates (13) for installing the tensioning device are arranged on both sides of the bearing seat (12). 7. The rope tensioning device according to claim 6, characterized in that: the upper lug (13) and the lower lug (33) are located on the same plane. 8. A rope tensioning device according to claim 7, characterized in that: the telescopic oil cylinder (3) is at an angle of 5-20 degrees to the plane where the upper lug plate (13) and the lower lug plate (33) are located angle. 9. A rope tensioning device according to claim 8, characterized in that: the tensioner is hinged to the top of the spoon handle (22); the hinge at the top of the spoon handle (22) is connected to the tension There are elastic parts for the interference between the tensioners. 10. The rope tensioning device according to claim 9, characterized in that one or more rotating arms (2) are arranged on the rotating shaft (1).

Images