12 results about "Coal shovel" patented technology

The invention discloses a coal shoveling structure type coal mining machine roller, relates to the field of coal mining equipment, and aims at solving the problems that an existing roller is low in coal loading efficiency and large in float coal accumulation amount. The roller comprises a roller body and spiral blades which are spirally arranged, and a coal shoveling rib plate is arranged between every two adjacent blades; the rib plates are designed according to blade parameters, extend downwards and inwards from the outer edges of the blades, are of an inclined structure with high outside, low inside and high front and low back, and define a semi-closed bucket (the outer side is closed, and the inner side is communicated with a coal conveying channel) with the blades. The structure can actively shovel in machine way float coal, guide falling coal into a coal conveying channel, prevent coal flow leakage, enhance coal flow interaction force, accelerate the flow speed and reduce the'endless cycle 'coal quantity.

The utility model relates to the technical field of coal mine conveying, and discloses a coal mine excavation conveying device which comprises two sets of baffles, a frame is placed on one side between the two sets of baffles, and a transverse frame is fixedly installed at the bottom of the frame. A bottom plate is fixedly installed at the bottoms of the two baffles, and supporting rods are fixedly installed at the four corners of the bottom plate. Servo motors are fixedly mounted on the two sides of the front wall of the frame. According to the coal conveying device, the frame, the conveying belt and the transverse frame are arranged, in the using process of the conveying device, the frame can be stably supported through the transverse frame and the bottom plate, meanwhile, the servo motor drives the transmission roller to rotate, the transmission roller drives the conveying belt to move, coal can be conveyed to the bottom plate, meanwhile, the conveying belt is obliquely designed, and one end of the conveying belt is located at the low position; when a worker uses the shovel for shoveling, the shovel does not need to be lifted to a higher height, and the coal shoveling burden of the worker is reduced.

The utility model discloses a height-adjustable coal mining machine which comprises a rack, a coal shoveling plate, a supporting sliding shoe, a first height adjusting part, a guide sliding shoe, a pin rail and a second height adjusting part, the supporting sliding shoe is arranged on the rack, the first height adjusting part is arranged on the supporting sliding shoe and used for adjusting the height of the supporting sliding shoe, the guide sliding shoe is arranged on the rack, and the pin rail is arranged on the first height adjusting part and used for adjusting the height of the guide sliding shoe. The supporting sliding shoe is used for sliding on the coal shoveling plate; the guide sliding shoe is arranged on the machine frame, the pin rail is arranged on the coal shoveling plate and connected with the guide sliding shoe in a matched mode so that the guide sliding shoe can move on the pin rail, and the second height adjusting component is arranged between the pin rail and the coal shoveling plate and used for adjusting the height of the pin rail. The height-adjustable coal mining machine disclosed by the utility model can better adapt to complex coal mining environments and special production process requirements, and meets the mining requirements of an ultra-long working surface of a medium-thickness thin coal seam.

The present application belongs to the technical field of coal mine electromechanical, and particularly relates to a coal mine electromechanical transport device. The coal shoveling assembly in the device is arranged at the front of the vehicle body, and is used for shoveling coal and conveying the coal to the inside of the vehicle body through the upper end of the vehicle body; the coal pressing assembly comprises a lower pressing piece, the lower pressing piece is movably arranged in the inside of the vehicle body along the front-rear direction of the vehicle body and is capable of moving up and down, and the lower pressing piece is capable of moving to a avoiding state and a working state; when the lower pressing piece is in the avoiding state, the lower pressing piece is located at the upper part of the rear side of the vehicle body, and the coal shoveling assembly is capable of conveying the coal to the inside of the vehicle body through the upper side of the front of the vehicle body; when the lower pressing piece is in the working state, the lower pressing piece is capable of moving along the front-rear direction of the vehicle body and moving up and down, so as to compact the coal in the inside of the vehicle body. Thus, the device realizes the improvement of the filling compactness of the coal on the transport equipment, thereby improving the effective payload of single transport, reducing the transport energy consumption and the dust, and improving the transport efficiency of the equipment.

1. The name of the product under this design: Shovel (coal digging shovel). 2. Purpose of this design product: used for coal mining. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. Name of the design product: combination shovel. 2. Use of the design product: combination shovel suitable for use in various occasions such as gardening, construction site, livestock farm, coal shovel for heating, snow removal, etc. 3. Design points of the design product: in shape. 4. Picture or photograph best indicating the design points: perspective view.

The utility model relates to the technical field of self-moving machine tails of belt conveyors of underground coal mine crossheading equipment, in particular to a coal shoveling plate assembly capable of automatically clearing coal. The device mainly comprises a coal shoveling plate, an upper hydraulic cylinder, a side hydraulic cylinder, a left connecting plate, a right connecting plate, a left coal cleaning plate and a right coal cleaning plate. The coal cleaning device is arranged on a tail end frame of the self-moving tail of the belt conveyor, and the left coal cleaning plate and the right coal cleaning plate do reciprocating motion by taking the hydraulic cylinder as power so as to clean coal slime scraped from a tail roller by a coal scraping plate. The utility model provides a coal shoveling plate assembly capable of automatically cleaning coal, which can completely replace a traditional coal cleaning plate which relies on manual coal cleaning, can reduce the labor intensity of underground coal mine workers, saves the labor cost, and improves the use performance of a self-moving tail of a belt conveyor. The device is simple in structure and smooth in reciprocating motion.

This invention relates to an anti-slip device for scraper conveyors, belonging to the field of scraper conveyors. This invention solves the technical problem of existing scraper conveyors, which use chain-connected anti-slip methods, easily sliding downwards along the coal seam's inclination during the pushing process, resulting in slippage and reduced production efficiency. A sleeve is fixedly installed on the lower left side of a fixed plate. Anti-slip spikes are slidably installed inside the sleeve. One end of a spring is connected to the right end face of the anti-slip spike, and the other end is connected to the fixed plate. The spring is in a compressed state and exerts a leftward elastic force on the anti-slip spike. A positioning port is provided at the top of the sleeve, and a positioning groove is provided at the top of the anti-slip spike. A positioning pin simultaneously passes through the positioning port and the positioning groove to fix the anti-slip spike. The fixed plate of the anti-slip mechanism is installed on the outer wall of the coal shovel side of the middle trough of the scraper conveyor. The anti-slip spikes are always pressed against the working face by the spring force, preventing slippage during the pushing process. This invention is used for scraper conveyors.

The present application relates to a kind of auxiliary loading mechanism of rocker arm of suspended machine body coal mining machine and suspended machine body coal mining machine, the auxiliary loading mechanism includes the machine body of coal mining machine, coal shovel plate, center shaft and torsion spring, the center shaft is along front and back direction and is passed through the lower end of the machine body left and right direction towards the side of rocker arm and the upper end of corresponding side coal shovel plate, the hinge of machine body and coal shovel plate is realized, the front and back ends of center shaft are detachably fixed on the machine body, at least two torsion springs are set on a center shaft, the two ends of torsion spring are respectively resisted on the machine body and coal shovel plate;The suspended machine body coal mining machine includes auxiliary loading mechanism and support skid shoe, the rear end of coal shovel plate covers the part of the side of support skid shoe from the outside of left and right direction.The present application can keep the effective contact of coal shovel plate and floor, improve loading effect, when not need loading, also can make coal shovel plate separate from floor, to ensure that the discharge of machine body under floating material and the passability of coal mining machine.

The utility model discloses a coal mining machine coal shoveling plate structure capable of being automatically adjusted, and relates to the field of coal mining machines, the coal mining machine coal shoveling plate structure comprises a hanging machine body and a coal shoveling plate body, the hanging machine body and the coal shoveling plate body are provided with a connecting assembly used for rapid installation, and the connecting assembly comprises fixing plates fixedly connected to the two sides of the lower portion of one end of the hanging machine body; through cooperative arrangement of the fixing plates, the connecting block, the long pin shaft and other structures, during use, the connecting block is placed between the two fixing plates, then the long pin shaft is inserted into the two fixing plates and the connecting block, the connecting block is connected with the fixing plates, the coal shoveling plate body is installed, the connecting block is connected with the fixing plates, and the coal shoveling plate body is installed. The connecting block swings on the long pin shaft by pressing the coal shoveling plate body through the self weight, the bottom end of the coal shoveling plate body is in contact with the bottom plate, coal is shoveled and transported, and the problem that the walking resistance of the whole machine is increased due to the fact that coal rocks are easily reserved behind a roller and are accumulated below a suspended machine body is avoided as much as possible.

The utility model relates to the technical field of coal mine underground mining, and discloses a pneumatic mining underground transport vehicle which comprises a vehicle frame, a vehicle hopper and a pneumatic hydraulic system, the vehicle hopper and the pneumatic hydraulic system are installed on the vehicle frame, a crawler-type walking part is connected to the lower portion of the vehicle frame, and the pneumatic hydraulic system is connected with the crawler-type walking part. The crawler-type walking part is arranged on the vehicle hopper and drives the crawler-type walking part to walk, and the vehicle hopper is provided with a coal shoveling piece and a driving part for driving the coal shoveling piece to move along the interior of the vehicle hopper; through the arrangement of the coal shoveling piece and the driving part, the driving part can be used for driving the coal shoveling piece to move along the interior of the car hopper after the car hopper unloads materials, so that the interior of the car hopper is shoveled through the shoveling plate, and the interior of the car hopper is brushed through the sweeping piece, and therefore the interior of the car hopper is cleaned, coal mine is prevented from being left in the car hopper, and the working efficiency is improved. And a coal miner does not need to manually clean the car hopper, so that the labor intensity of the coal miner can be greatly reduced, and the working efficiency of the coal miner is favorably improved.

The utility model discloses a system for cleaning coal adhered to a belt at the bottom of a conveyor in coal mine production, which comprises a primary cleaning device, a secondary cleaning device and a secondary cleaning device, the primary cleaning device is used for blocking large-particle coal materials at the top of the coal materials adhered to the belt, so that the large-particle coal materials fall off from one side of the belt under the guidance of the primary cleaning device; the installation direction of the primary cleaning device, the installation direction of the intermediate cleaning device and the installation direction of the final cleaning device are not perpendicular to the coming direction of the belt; the coal shoveling device is good in coal shoveling effect, long in service life, capable of shoveling coal in batches and capable of thoroughly removing areas with serious coal accumulation on the belt.