Double dust-proof two-hand handle mining single hydraulic prop

Abstract

The invention discloses a single hydraulic prop for mines with double dust-proof and two-hand handles, which solves the problems of the existing device, such as inconvenient handling, poor dust-proof effect, and is characterized in that the handle body is originally placed in the groove of the guide ring Cut deep to form a D-shaped dust-proof guide ring installation groove on the handle body. The width of the groove remains unchanged. Install the D-shaped dust-proof guide ring on the handle body. The annular groove of the D-shaped dust-proof guide ring on the handle body faces outward; The handle is erected vertically, and the mobile locking auxiliary handle body is installed at 50-80mm above the base of the pillar and on the outer circle of the cylinder body. The invention is provided with double dust-proof rings, which are dust-proof together with the original first dust-proof ring of the handle body, and are guided to increase the service life of the pillar; the original handle body and the handle of the moving and locking auxiliary handle body The handlebars are placed vertically, which is convenient for transportation and support, and the probability of smashing the handlebars and pillars can be greatly reduced, which effectively improves the safety.

Description

technical field [0001] The invention relates to a single hydraulic prop for mining, more precisely, to a multi-functional single hydraulic prop for mining with double dust-proof and two handles. Background technique [0002] At present, single hydraulic props for mines are developing to be suitable for large mining height coal seams, and the supporting height reaches more than 5 meters, resulting in long, large and heavy props, which brings great difficulties to the handling, loading, supporting and recycling of props. Heavy physical labor and potential safety hazards. In general, there are following deficiencies: one, in the pillars of various forms and models now, the handle form of the handle body is horizontal, that is, the handle and the pillar body are crossed in a "ten" shape. According to the front-line workers, this kind of handle often does not hurt the wrist when carrying and loading underground. Because at this time, when the palm of the hand is holding the han...

AI Technical Summary

Problems solved by technology

[0002] At present, single hydraulic props for mines are developing to be suitable for large mining height coal seams, and the supporting height reaches more than 5 meters, resulting in long, large and heavy props, which brings great difficulties to the handling, loading, supporting and recycling of props. Heavy physical labor and potential safety hazards

In general, there are the following deficiencies: 1. Among the pillars of various forms and models, the handles of the handle body are placed horizontally, that is, the handle and the pillar body are crossed in a "ten" shape.

Because at this time, when the palm of the hand is holding the handle, the wrist and the pillar are crossed in the shape of a "ten". When swinging, only the wrist can use force, but the arm cannot use force. don't hurt your wrist

2. Due to the bulky pillar, the workers reported that when two people carried it, the low end of the pillar had no grip, the person in front grabbed it, and the person behind could only hold the pillar to carry it. happens sometimes

3. For a long time, all domestic pillars of different forms and models have only been designed with one dust-proof ring, and the shape of the dust-proof ring is the same, and the lip is very narrow, so that the dust-proof effect of all the pillars is not good.

The inner cavity of the pillar is a sealed hydraulic system, and the hydraulic system requires a clean internal environment. Once small dust enters the system, it will damage the seal at least, or pull the sealing surface of the cylinder wall, causing the pillar to be damaged or scrapped.

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