31results about How to "Improve gravel effect" patented technology

The invention discloses a full-automatic stone crushing device. The full-automatic stone crushing device comprises a frame (1); the frame (1) is provided with a conveying platform (2); a conveying jawmechanism is arranged on one side of the conveying platform (2), and a stone crushing mechanism is arranged on the other side; and a conveying mechanism is arranged below the conveying platform (2).Containers for containing stones can be carried onto the conveying platform through the conveying jaw mechanism, and then, are shifted to the stone crushing mechanism at intervals by the conveying mechanism; and the stones are crushed by the stone crushing mechanism, so that the stones can be effectively crushed, the labor intensity is reduced, and the production efficiency is improved.

The invention provides a mud-water circulation and gravel system of a shield machine, which includes a slurry inlet pipe, an air cushion cabin, a discharge pipe, a mud pipeline crusher, a slurry discharge pump and a slurry discharge pipe connected in series through pipelines; The pipe is used to transport the mud and gravel in the air cushion cabin to the mud pipeline breaker, and the mud pipeline breaker breaks the stones from the air cushion cabin; and the mud pipeline breaker contains a sealed A closed jaw crusher with a pad, a frame and a movable jaw assembly, and the inside of which can seal the mud fluid with a pressure above 0.5MPa. The crusher in the system provided by the present invention has greater crushing capacity than the hydraulic jaw crusher in the air cushion cabin of the shield machine, has a long service life and high reliability, and solves the problem of stagnation in the water-rich sand and pebbles of the existing shield machine. Discharge, blockage and other issues. And it is installed on a trailer, which reduces the number of repairs of the press-in cabin by personnel, reduces the use cost and construction risk of the shield machine, and improves the geological adaptability and tunneling efficiency of the shield machine.

The invention provides a multipurpose stone breaker for civil engineering. The multipurpose stone breaker comprises a footstand, support pillars, a powder box, a handle, a discharge door, crushing roller structures, a guide hopper, a broken stone box, a support plate, a primary switch, a secondary switch, a buffer broken stone driver structure, a feed hopper, a sprinkler head structure, a connecting shaft and a connecting plate, wherein the footstand is in threaded connection with the lower ends of the support pillars, and the support pillars are longitudinally welded at the four corners of the bottom of the powder box respectively; the handle is connected with the middle of the lower part of the discharge door through screws, and the discharge door is mounted on the front side of the bottom outlet of the powder box through hinges; the crushing roller structures are transversely mounted in the powder box in pairs; and the lower end of the guide hopper is in threaded connection with theupper part of the powder box. The multipurpose stone breaker can be convenient to replace interior components and can also crush limestone. The multipurpose stone breaker has a water spraying function, can reduce dust pollution, and is convenient to operate.

The invention provides a mud pipeline crusher used in a shield machine, the mud pipeline crusher is a closed jaw crusher whose internal pressure can reach a mud fluid above 0.5MPa, and the mud pipeline The road crusher includes a frame, a movable jaw assembly and a sealing gasket that jointly form an internal sealed space, a fixed jaw plate located inside the frame, and a motor drive assembly and a belt located outside the frame; the motor drive assembly and the belt are used The movable jaw assembly is driven to make a reciprocating extrusion movement relative to the fixed jaw plate to crush and crush the stones sandwiched between the two; the movable jaw assembly includes an eccentric shaft arranged on the frame and a The inner movable jaw plate forms a rotating and dynamic seal between the movable jaw assembly and the frame. The mud pipeline crusher provided by the invention has strong crushing capacity, good maintainability, and can provide a sealed environment for high-pressure crushing.

The invention discloses a device for bridge construction. The device comprises a machine seat and a stone crusher installed in the machine seat. The stone crusher is internally provided with a crushing portion, the inner top wall on the right side of the crushing portion is provided with a stone inlet in a penetrated manner, and the inner bottom wall on the left side of the crushing portion is internally provided with a movement guide cavity. The position, on the right side of the movement guide cavity, of the inner bottom wall of the crushing portion is internally provided with a lower discharging opening in a penetrated manner, and the top of the lower discharging opening is provided with a conical groove. The movement guide cavity is internally connected with a rising-landing slippage block extending upwards in a slippage fit manner, the extending segment at the top of the rising-landing slippage block stretches into the crushing portion, and the top, stretching into the crushing portion, of the rising-landing slippage block is provided with an arc surface extending in the lower right direction. The movement guide cavity under the bottom of the rising-landing slippage block is internally provided with first elastic pieces, the inner wall on the left side of the crushing portion is internally provided with a transfer groove, the inner top wall on the left side of the transfer groove is internally provided with a square groove in a connected manner, and right side of the transfer groove is internally provided with a first movement guide groove extending vertically in a penetrated manner. The device is simple in structure and convenient to operate, the crushing effect of hardened fertilizer is improved, the amount of labor is reduced, and stone crushing uniformity is improved.

The invention provides a muddy water circulation and stone crushing method of a shield machine, comprising: muck and stones cut by the cutter head and mud injected from outside the tunnel are mixed in the excavation cabin to form a fluid into the air cushion cabin, and then discharged into the air cushion cabin. Under the action of the slurry pump, the fluid in the air cushion cabin is transported to the mud pipeline breaker outside the air cushion cabin, and the stones from the air cushion cabin are broken in the mud pipeline crusher, and the broken stones follow the mud from The slurry is discharged out of the tunnel through the discharge pipe; the slurry pipeline crusher is a closed jaw crusher that includes a gasket, a frame and a movable jaw assembly and can seal the slurry fluid with a pressure above 0.5MPa. The invention provides a method for improving the crushing capacity of the mud-water circulation system of the shield machine, which improves the performance of the mud-water circulation system and improves its ability to carry ballast; the method provided by the invention improves the geological adaptability and excavation performance of the shield machine. efficiency.

The invention discloses a bridge device. The bridge device comprises a machine base and a stone crushing machine arranged in the machine base; a fragmentation part is arranged in the stone crushing machine, a stone inlet is formed in the inner top wall of the right side of the fragmentation part, and a guide moving cavity is formed in the inner bottom wall of the left side of the fragmentation part; a lower discharge opening runs through the inner bottom wall of the fragmentation part on the right side of the guide moving cavity, and a conical groove is formed in the top of the lower dischargeopening; a lifting sliding block which extends upwards is connected with the interior of the guide moving cavity in a sliding and matched mode; the extension section of the top of the lifting slidingblock extends into the fragmentation part; the top, extending into the fragmentation part, of the lifting sliding block is provided with an arc-shaped surface extending to the right lower portion; afirst elastic element is arranged at the position, below the bottom of the lifting sliding block, in the guide moving cavity; a transmission groove is formed in the inner wall of the left side of thefragmentation part, a square groove is communicated with the interior of the inner top wall of the left side of the transmission groove, and a first guide moving groove extending up and down runs through the right side of the transmission groove. The bridge device is simple in structure and convenient to operate, improves the crushing effect of hardened fertilizer, reduces the manual workload, andimproves the stone crushing uniformity.

The invention discloses a furnace feeding device capable of removing dust, capable of cleaning dust and gravel generated during the feeding process, and simultaneously continuously feeding the furnace in batches, with good continuity and without affecting the smelting quality of the furnace. The key points of its technical scheme are: including a material distribution mechanism and a dust removal mechanism. In the transport bin, the distribution floor is provided with an outlet for discharging, and the outlet is connected to the discharge structure. The distribution bottom plate can cover the lower openings of multiple transportation bins. The dust removal mechanism includes multiple dust suction ports, dust removal channels and vacuum cleaners. A plurality of dust suction ports are arranged on the bottom surface of the rotating distribution part, and the dust removal channel includes a first dust removal channel and a second dust removal channel, the first dust removal channel and the second dust removal channel are connected in rotation, the dust suction port, the first dust removal channel The dust removal channel, the second dust removal channel and the vacuum cleaner are connected in sequence.