阅读说明：本技术 煤机摇臂用电缆防护装置 (Cable protection device for coal machine rocker arm ) 是由 徐步瑜 高强 张埃明 侯佑虎 张建杰 于 2019-09-18 设计创作，主要内容包括：本发明公开了煤机摇臂用电缆防护装置,包括U型卡,U型卡的开口处固定安装有挡销,挡销与U型卡开口之间形成卡接空间,U型卡固定安装有防尘套,防尘套遮盖U型卡一侧U型端面,防尘套中心位置预留有第一连接孔,第一连接孔固定连接有旋合器。本发明避免了煤机销子外窜导致的煤机截割电缆损坏现象,节约了大量材料的费用,同时,在U型卡的一面设置有防尘套,用于防止灰尘进入卡接空间,保证灰尘不会进入卡接空间导致的机构卡死,确保各机构能够正常运转。(The invention discloses a cable protection device for a rocker arm of a coal machine, which comprises a U-shaped clamp, wherein a stop pin is fixedly arranged at an opening of the U-shaped clamp, a clamping space is formed between the stop pin and the opening of the U-shaped clamp, a dustproof sleeve is fixedly arranged on the U-shaped clamp, the dustproof sleeve covers the U-shaped end face on one side of the U-shaped clamp, a first connecting hole is reserved in the center of the dustproof sleeve, and a screwing device is fixedly connected with the first connecting hole. The invention avoids the damage phenomenon of a coal machine cutting cable caused by the outward movement of a pin of the coal machine, saves a large amount of material cost, and meanwhile, one surface of the U-shaped clamp is provided with the dustproof sleeve for preventing dust from entering the clamping space, ensuring that the dust cannot enter the clamping space to cause the mechanism to be locked, and ensuring that each mechanism can normally operate.)

1. Coal machine cable protector for rocking arm, its characterized in that, including U type card (1), the opening part fixed mounting of U type card (1) has backing pin (2), form joint space (3) between backing pin (2) and U type card (1) opening, U type card (1) fixed mounting has dirt proof boot (4), dirt proof boot (4) cover U type card (1) one side U type terminal surface, dirt proof boot (4) central point puts and reserves first connecting hole (4-1), first connecting hole (4-1) fixedly connected with closes ware (5) soon.

2. The cable protection device for the coal machine rocker arm according to claim 1, wherein sliding grooves (1-1) are symmetrically formed in two inner walls of the U-shaped clamp (1), the stop pin (2) is arranged in the sliding grooves (1-1), a plurality of through holes (1-2) are formed in two side walls of the U-shaped clamp (1) along the opening direction, the cable protection device further comprises a fixing pin (7), and the fixing pin (7) penetrates through the through holes (1-2) to fix the stop pin (2) and the U-shaped clamp (1).

3. The cable protection device for the coal machine rocker arm according to claim 2, wherein through holes (2-1) are formed in two ends of the stop pin (2), and the fixing pin (7) sequentially penetrates through the through holes (1-2) and the through holes (2-1) to fix the stop pin (2) and the U-shaped clamp (1).

4. The cable protection device for the coal machine rocker arm as claimed in claim 3, wherein concave platform planes (2-2) are arranged at two ends of the stop pin (2), the through hole (2-1) is located on the concave platform planes (2-2), and the concave platform planes (2-2) are attached to the inner wall of the sliding groove (1-1).

5. The cable protector for coal machine rocker arm according to claim 1, characterized in that the swivel (5) comprises a first fixed ring (5-1), one end of the first fixing ring (5-1) is welded with the first connecting hole (4-1), the other end of the first fixing ring (5-1) is rotationally connected with the sliding ring (5-2), the sliding ring (5-2) is provided with a plurality of connecting pieces (5-3) along the circumferential direction, the connecting pieces (5-3) are respectively hinged with one end of a blade (5-4), the other end of the blade (5-4) is hinged with a second fixed ring (5-5), a handle (5-6) is arranged on the sliding ring (5-2), the rotating handle (5-6) drives a plurality of blades (5-4) on the rotating and combining device (5) to close or move away from each other.

6. The cable protector for the coal machine rocker arm according to claim 5, characterized in that at least three stoppers (5-7) are arranged on the circumference of the surface of the first fixing ring (5-1) rotationally connected with the sliding ring (5-2), at least three sliding grooves (5-8) are arranged on the circumference of the sliding ring (5-2), and the stoppers (5-7) are arranged in the sliding grooves (5-8).

7. The cable protector for the coal machine rocker arm according to claim 6, characterized in that the vanes (5-4) are five, the stoppers (5-7) are four, and the sliding grooves (5-8) are four.

8. The cable protection device for the coal machine rocker arm is characterized by further comprising a cover body (5-9), wherein the cover body (5-9) is rotatably connected with the first fixing ring (5-1), a second connecting hole (5-10) is formed in the top center of the cover body (5-9), a third connecting hole (5-11) is formed beside the second connecting hole (5-10), and the handle (5-6) penetrates through the third connecting hole (5-11).

9. The cable protector for the coal machine rocker arm according to claim 3, characterized in that the through holes (1-2) are five groups.

Technical Field

The invention belongs to the technical field of coal mining, and particularly relates to a cable protection device for a rocker arm of a coal machine.

Background

The coal cutter is one of the main devices of the fully mechanized mining complete equipment, and the coal cutter is developed and evolved from a coal cutter. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused.

In the daily production process of the fully mechanized mining face, the rocker arm expansion sleeve of the coal mining machine frequently moves outwards, so that the rocker arm pin shaft is frequently dropped, the cutting cable of the middle coal mining machine is damaged, particularly dust, oil stain and the like are easy to move into, and the raw coal mining work of the fully mechanized mining face is influenced.

Disclosure of Invention

The invention aims to provide a cable protection device for a rocker arm of a coal mining machine, which solves the problems that in the prior art, a rocker arm pin shaft frequently falls off due to frequent outward movement of a rocker arm expansion sleeve of the coal mining machine, the coal mining machine cuts off a cable and enters dust.

The invention adopts the technical scheme that the cable protection device for the coal machine rocker arm comprises a U-shaped clamp, wherein a stop pin is fixedly arranged at an opening of the U-shaped clamp, a clamping space is formed between the stop pin and the opening of the U-shaped clamp, a dustproof sleeve is fixedly arranged on the U-shaped clamp, the dustproof sleeve covers the U-shaped end face on one side of the U-shaped clamp, a first connecting hole is reserved in the center of the dustproof sleeve, and a screwing device is fixedly connected with the first connecting hole.

The invention is also characterized in that:

the U-shaped card is characterized in that sliding grooves are symmetrically formed in the two inner walls of the U-shaped card, the stop pin is arranged in the sliding grooves, a plurality of through holes are formed in the two side walls of the U-shaped card in the opening direction, and the U-shaped card further comprises a fixing pin which penetrates through the through holes to fix the stop pin and the U-shaped card.

Through holes are formed in two ends of the stop pin, and the fixing pin penetrates through the through holes and the through holes in sequence to fix the stop pin and the U-shaped card.

The two ends of the stop pin are provided with concave platform planes, the through hole is positioned on the concave platform planes, and the concave platform planes are attached to the inner wall of the sliding chute.

The rotary closing device comprises a first fixing ring, one end of the first fixing ring is welded with a first connecting hole, the other end of the first fixing ring is rotatably connected with a sliding ring, a plurality of connecting pieces are arranged on the sliding ring in the circumferential direction, the connecting pieces are respectively hinged with one end of a blade, the other end of the blade is hinged with a second fixing ring, a handle is arranged on the sliding ring, and a plurality of blades on the rotary closing device are driven to be mutually folded or to be mutually kept away through rotating the handle.

The first fixed ring is provided with at least three dog with the slip ring swivelling joint's one side circumference, and the slip ring circumference is provided with at least three sliding tray, and the sliding tray is arranged in to the dog.

Five blades, four stoppers and four sliding grooves are arranged.

Still include the lid, lid and first solid fixed ring swivelling joint, lid top central point puts and is provided with the second connecting hole, and the second connecting hole is other to be provided with the third connecting hole, and the handle passes the third connecting hole.

The through holes are five groups.

The invention has the beneficial effects that: