Coal mine car type hydraulic support
A hydraulic support and car-type technology, which is applied in mine roof support, mining equipment, earthwork drilling and mining, etc., can solve the problems affecting the stability and strength of hydraulic support support, hydraulic rods are easy to be damaged under pressure, hydraulic rods and guard plates are small, etc. problem, to achieve good support effect, improve support strength, and improve work efficiency
Active Publication Date: 2020-10-02
盐城市群力工矿机械有限公司
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Problems solved by technology
[0003] However, when the existing hydraulic support is in use, the guard plate is controlled to rotate through the hydraulic rod at the bottom of the front beam and supports the inclined plane of the working face, which makes the angle between the hydraulic rod and the guard plate smaller, resulting in the support force of the hydraulic rod The supply is large, the energy consumption is increased, and the support strength is low, and the first hydraulic rod directly supports the roof beam, and the pressure of the roof beam support is the largest, resulting in the hydraulic rod supporting the roof beam being easily damaged by pressure and affecting the hydraulic pressure. The support stability and strength of the bracket
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] see Figure 1-7, a car-type hydraulic support for coal mines, including a support 1 and a push mechanism 2, the bottom of the support 1 is provided with an inner groove, and the middle part of the support 1 is provided with a downward guide groove, and the movement in the guide groove The first wedge-shaped block 101 that moves up and down is sleeved, and both ends of the first wedge-shaped block 101 extend to the outside of the inner groove at the bott...
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The invention relates to the field of support equipment for coal mining and discloses a coal mine car type hydraulic support. The coal mine car type hydraulic support comprises a support base and a push mechanism. The bottom of the support base is provided with an inner groove. A guide groove is formed in the middle of the support base, wherein the guide groove faces downwards. A first wedge blockis movably mounted in the guide groove in a sleeved manner, wherein the first wedge block moves upwards and downwards. The two ends of the first wedge block extend out of the inner groove in the bottom of the support base. According to the coal mine car type hydraulic support, by means of the structural design that a locating plate at the bottom of a front beam is matched with a limiting plate atone end of a first protection plate, when the support work is conducted through the hydraulic support, supporting is conducted through the two ends of a second protection plate; compared with the existing one end supporting mode, the supporting strength is improved, and energy losses of hydraulic supporting is reduced; and the second protection plate is supported by a third hydraulic rod on the limiting plate, the second protection plate can be stably attached to the mined side wall, and supporting stability of the hydraulic support is further guaranteed.
Description
technical field [0001] The invention relates to the field of support equipment for coal mine mining, in particular to a car-type hydraulic support for coal mines. Background technique [0002] Hydraulic support is one of the most important equipment in coal mine fully mechanized mining equipment. It is mainly used to support the roof of the underground working face of the coal mine to protect the safety of equipment and personnel. The number of hydraulic supports in a coal mine fully mechanized mining face is about 100. According to the mining height, slope, mineral structure and environment of each coal mine, the hydraulic support is designed and used. The hydraulic support is mainly composed of top beam, front beam, guard plate, cover beam, front connecting rod, rear connecting rod, base, pushing mechanism, other auxiliary devices. [0003] However, when the existing hydraulic support is in use, the guard plate is controlled to rotate through the hydraulic rod at the bott...
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IPC IPC(8): E21D23/04E21D23/08
CPCE21D23/04E21D23/08
Inventor 袁秋根
Owner 盐城市群力工矿机械有限公司