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a tensioner

A technology of tensioner and reeling shaft, which is applied in the direction of wire tensioning appliances, parts of bundling machinery, manufacturing tools, etc., can solve problems such as troublesome operation, reduced transmission efficiency of transmission ratio, and reduced practicability of tensioner. , to achieve the effect of convenient operation and strong practicability

Active Publication Date: 2018-11-13
ZHEJIANG TOPSUN LOGISTIC CONTROL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this patent, only the belt shaft is driven by worm gear transmission. Although the worm gear transmission can save labor, the transmission efficiency is reduced due to the high transmission ratio, so that it takes a long time to bind the goods, which greatly reduces the tensioner. Practicality, but in order to improve the transmission efficiency, the labor-saving effect of the worm gear will inevitably be reduced; in addition, the worm gear structure is located on one side of the frame body, so when the handle is used to turn the worm, the overall force on the tensioner is uneven, so the process of turning the handle The middle tensioner will inevitably shake, and the operation is very troublesome

Method used

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Experimental program
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Effect test

Embodiment 1

[0030] Such as figure 1 , figure 2 and image 3 As shown, the tensioner includes a bracket 1 and a take-up shaft 2, the webbing can be wound onto the take-up shaft 2, the bracket 1 includes two side plates 11 arranged at intervals, and the take-up shaft 2 is arranged between the side plates 11 , the two ends of the take-up shaft 2 pass through the side plates 11 respectively, and the two ends of the take-up shaft 2 are fixed with handwheels 22, the take-up shaft 2 can rotate relative to the side plates 11 along its axis, and the two sides of the side plates 11 There is also a power transmission shaft 3 parallel to the take-up shaft 2, the two ends of the transmission shaft 3 pass through the side plates 11 respectively, and the transmission shaft 3 can rotate relative to the side plates 11 along its axis; There is a worm wheel 4 and the worm wheel 4 is located between two side plates 11. In the first embodiment, the worm wheel is machined on the rotating shaft 3, and the di...

Embodiment 2

[0038] The structure and principle of this embodiment are basically the same as that of Embodiment 1, except that the one-way limit structure includes a limit piece, and the lower bushing is fixed in the mounting hole of the second mounting plate, and the outer end of the lower bushing passes through the Out of the mounting plate 2, the sliding section connected to the mounting plate 2 on the worm passes through the lower bushing, and the stopper is detachably fixed on the end of the sliding section. When the worm rotates to drive the worm wheel to rotate The outer end faces against. The limiter can be a limit pin or a nut. When the worm rotates to drive the worm wheel to rotate, the worm tends to move toward the mounting plate. The abutment between the limiter and the lower bushing can prevent the worm from moving toward the mounting plate. Therefore, when the worm rotates to drive the worm gear to rotate, the axial movement of the worm is avoided, so that the worm can stably...

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Abstract

The invention provides a tensioner, belongs to the technical field of transportation, and solves such technical problems as inconvenience for operation and no labor saving in a traditional tensioner. The tensioner comprises a bracket and a take-up spool; the bracket includes two spaced side plates; the take-up spool is arranged between the two side plates, and can rotate along the axis of the take-up spool relative to the side plates; a transmission shaft parallel to the take-up spool is arranged between the two side plates, and can rotate along the axis of the transmission shaft relative to the side plates; the transmission shaft is provided with a worm wheel; the worm wheel is positioned between the two side plates; the bracket is provided with a worm capable of being engaged with the worm wheel; a handle is fixed on the worm; and a labor-saving gear set capable of driving the take-up spool to rotate in rotation of the transmission shaft is arranged between the transmission shaft and the take-up spool. The tensioner has the advantages of labor saving, more stable rotation of the handle and realization of tensioning of a braid.

Description

technical field [0001] The invention belongs to the technical field of transportation and relates to a tensioner. Background technique [0002] During the transportation of goods, it is often necessary to tie up the goods to prevent the goods from falling or moving. The tensioner is a device that can firmly bind the goods to the car, and has been widely used in the current logistics field. [0003] Traditional tensioners, such as a tensioning ratchet device for straps disclosed in Chinese patent literature [publication number CN1056088A], etc., its basic principle is to move through the ratchet and pawl, so that the webbing is gradually wound around the half-moon key of the hand puller. so that the goods on the truck are tied tightly to achieve the purpose of safe transportation. In order to ensure the stability of cargo binding, the binding device is required to have a certain amount of tension when binding the goods. However, with the increase of the tension force of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B25/00B65B13/22
CPCB25B25/00B65B13/22
Inventor 肖招银朱正中
Owner ZHEJIANG TOPSUN LOGISTIC CONTROL CO LTD