66results about How to "Reliable mechanical structure" patented technology

An electric pressure cooker is composed of a cooker body with control circuit and sensor on its top edge, and a cover with an elastic sealing sleeve and a pressure driver consisting of lining sleeve embedded in said elastic sealing sleeve, an axially moving piston and a rotary part driven by said piston and with fixed long arm and inductor.

The invention relates to an underground repetitive shock irritation device and shock irritation method for oil and gas well drilling. The underground repetitive shock irritation device is characterized by comprising an outer cylinder of which the middle part is provided with a shoulder, an upper connector is inserted inside the outer cylinder, and the upper connector is connected with an upper opening of the outer cylinder; a spring which is connected with an impact hammer is sleeved between the middle part of the upper connector and the outer cylinder, and a sleeve is clamped between the impact hammer and the outer cylinder in a sliding way; three structure slots on each of which an arc card is clamped are uniformly distributed on the upper part of the sleeve, and a thrust collar is sleeved at the lower part of each of the structure slots; a stop collar is arranged on the inner wall of the outer cylinder below the thrust collars; a circle of anvil is arranged at the middle part of the inner diameter of the sleeve, a plurality of communicating holes are arranged along the vertical direction of the anvil, an operating sleeve is sleeved on the inner diameter of low-half sleeve in a sliding way, and the operating sleeve is connected at the tail end of the upper connector; a circle of convex plate is arranged at the periphery of the upper opening of the operating sleeve; an external spline which is in sleeve connection with a connector of an internal spline is arranged at the outer diameter of the low-half sleeve, and a lower opening of the outer cylinder is fixedly connected with the connector of the internal spline; and the tail end of the external spline is connected with a lower connector. The repetitive shock irritation device and the shock irritation method disclosed by the invention can be widely used underground repetitive shock irritation in oil and gas well drilling operations in which signals are required.

The invention relates to the mining and conveying field of a fully-mechanized coal mining face of an underground coal mine, in particular to a big-lump-coal crushing device for a medium-thickness-coal-seam face and a crushing process, and solves the problem that the unloading point of a face conveyor and the entry point of a reversed loader are blocked by big lump coal. The big-lump-coal crushing device comprises a fixed base, a revolving seat, a revolving shaft, a rocker arm, a vertical swinging oil cylinder, a pressing block, a crushing fixing frame, a hydraulic hammer attitude control oil cylinder, a small connecting rod, a crushing rotating frame, a fully-hydraulic crushing hammer, a horizontal swinging oil cylinder and a scraper bucket, wherein the fully-hydraulic crushing hammer can be adjusted in the horizontal direction, the vertical direction, the fore-and-after direction, the crushing angle and the like, and the scraper bucket can be flexibly mounted and dismounted according to requirements of the face. The crushing process adopts the optimal crushing angle to respectively crush still big lump coal and moving big lump coal, and has a relatively high crushing efficiency. The big-lump-coal crushing device is compact in structure and simple to operate, can reduce the labor intensity of workers, and effectively meets the quick-mining and quick-pushing objective demand of the fully-mechanized coal mining face of a coal mine.

The invention discloses a method and device for sleeving a central air-conditioning capillary tube with a heat shrink tube. The method comprises the following steps: (1) clamping the outer surface at one end of the heat shrink tube by using a clamp; (2) putting the capillary tube on the surface of a V-shaped track, and aligning the center of the capillary tube to the center of the heat shrink tube; (3) driving the capillary tube to move to the clamp through a first driving device, and inserting the capillary tube into the heat shrink tube. The technical scheme is reliable in mechanical structure, simple in action and capable of greatly improving the production efficiency and reducing the labor strength.

The invention discloses a volume-adjustable multi-mould quantitative pouring trough, wherein a melt pouring main body (1) is supported by a support, a plurality of independent quantitative pouring troughs (9) partitioned by partition plates (5) are arranged on the melt pouring main body (1), adjusting bar supporting plates (4) are fixedly arranged on the quantitative pouring troughs (9), adjusting bar supports (3) are fixedly arranged on the adjusting bar supporting plates (4), adjusting bars (2) are arranged on the adjusting bar supports (3) and are inserted into the quantitative pouring troughs (9), all the quantitative pouring troughs (9) are connected with a liquid inlet (10) and an overflow gate (11), and a heating device is arranged at the bottom of the melt pouring main body (1). An external driving device is utilized to drive the whole body of the pouring troughs to rotate around a support shaft, and then multi-mould quantitative pouring can be realized. According to the volume-adjustable multi-mould quantitative pouring trough of the invention, the production effectiveness and product quality can be improved, and the timely regulation of the ingot weight and heat insulation to melts can be realized.

The invention discloses an anti-paper-jam self-service bill processing terminal and a bill processing method thereof. According to the method, a bill scanner scans a bill, and a scanning result is displayed in a display module, and if paper jam occurs during scanning, locking of an opening and closing cover plate can be automatically released to provide convenience for taking out the bill. The scanned bill falls into a bill temporary storage assembly for waiting for a user to confirm at an operation assembly end, if the bill processing flow needs to be aborted, instruction information for taking out the bill is input through an input module, a main control chip circuit commands a limiting device to execute an opening action, the bill is taken out through a bill exit window, and the bill processing flow is terminated. If the scanned bill is accurate, the main control chip circuit sends an opening instruction to a baffle, the baffle is opened, and the bill falls into a bill storage platform for storage under the action of the gravity. The mechanical structure is simple and reliable. If it is found that the bill is incorrect, the bill is controlled to be taken out by the user, after the bill is taken out, the bill processing flow is immediately terminated, and the damage to paper bills caused by continuing of the flow is avoided.

The invention discloses a shaft mill, and relates to ore grinding equipment to solve the problems that an existing ore mill is extremely low in powder grinding efficiency and extremely large in energyconsumption. Double-mill shafts rotating at a relatively-high speed are used for punching ores to crush the ores. According to the technical principle, the shaft mill comprises components of the double-mill shafts, a motor, a bearing, a rack and the like, two grinding shafts which rotate at a relatively-high speed are adopted as grinding pieces, and the two grinding shafts are spaced by a certaincrack according to the powder grinding requirement of the ores; the multiple double-mill shafts are horizontally arranged in the rack from top to bottom in sequence; the width of the crack of the double grinding shafts is determined according to ore grinding requirement; and the ores are sequentially arranged according to the requirements that coarse materials are located above, and fine materials are located below, the ores are crushed under punching of the double-mill shafts rotating at the relatively-high speed, the crushed fine particles directly fall and are not continuously pressed andground any more, electric energy waste caused by repeated pressing and grinding is avoided, the two grinding shafts rotating relatively do not make contact, impact abrasion between the grinding piecesis avoided, and scrap iron is not generated in the ore grinding process. The powder passing rate after ore grinding reaches 100%.

The invention provides a membrane type gas meter vertical shaft feeding device. The feeding device comprises a base plate provided with stand columns, and the upper ends of the stand columns are provided with a top plate; a discharging base and a vertical shaft compression mechanism are arranged above the top plate; a discharging pipe is arranged on the discharging base; a linear guideway and an air cylinder are arranged below the top plate, a sliding block is arranged on the linear guideway and fixed to the lower surface of the top plate, a connecting block is arranged at one end, provided with a guide rail, of the linear guideway, the fixed end of the air cylinder is fixed to the top plate, and the stretchable end of the air cylinder is connected with the guide rail and drives the guide rail to slide relative to the sliding block; a pneumatic sliding table is installed on a vertical face of the connecting block, a material receiving block is arranged on a sliding part of the pneumatic sliding table, and a material receiving hole is formed in the material receiving block; and a first material passing hole and a transverse groove communicated with the first discharging hole are formed in the discharging base, and the transverse groove is matched with a pressing head arranged on the vertical shaft compression mechanism. By means of the feeding device, a reliable mechanical structure is used, manpower can be replaced, and rapid and accurate feeding of a vertical shaft is completed.

The invention discloses an underwater hose plugging connection device suitable for deep-sea mining. The underwater hose plugging connection device comprises a female joint, a male plug, a hydraulic locking mechanism and a guide cylinder, wherein the hydraulic locking mechanism is fixedly connected to the female joint and is used for axial locking when the male plug enters the female joint, and the guide cylinder is used for guiding when the male plug enters the female joint. The mechanical mechanism of the device is reliable and can be remotely operated, the hose laying and connecting operation process is simplified, and the recovery operation efficiency and the emergency recovery capacity of deep-sea mining engineering are improved.

The invention provides a vertical shaft feeder convenient to charge for diaphragm gas meters. The feeder can replace manual work and feed vertical shafts accurately and quickly. The feeder comprises a bottom plate and a top plate, wherein the bottom plate and the top plate are connected through vertical columns; a vertical shaft limiting block, an electric horizontal moving mechanism and a vertical shaft pressing mechanism are arranged on the upper surface of the top plate; a discharging base is arranged on the vertical shaft limiting block and is connected to the top plate in a sliding mode, and a gap is reserved between the vertical shaft limiting block and the discharging base; four or more discharging pipes are arranged on the discharging base; a linear guide rail and an air cylinder are arranged on the lower surface of the top plate, sliding blocks of the linear guide rail are fixed to the lower surface of the top plate, a connection block is arranged at the tip end of a guide rail body of the linear guide rail and is connected to the telescopic end of the air cylinder, a pneumatic sliding table is installed on the vertical surface of the connection block, and a receiving block is arranged at a sliding part of the pneumatic sliding table; the discharging base is provided with a horizontal groove matched with a pressure head of the vertical shaft pressing mechanism. According to the feeder, the vertical shafts can be fed accurately and quickly, charging is convenient and fast, and a halt is not needed in the charging process.

The invention relates to the technical field of pasty material production, in particular to a pasty material conveying device and a pasty material conveying system. The pasty material conveying devicecomprises a rack, a feeding unit, a transferring unit and a control unit, wherein the transferring unit comprises an elastic mechanism and a transferring feed cylinder; the elastic mechanism is arranged on the rack; the transferring feed cylinder is eccentrically hinged onto the elastic mechanism, and can rotate around a hinged point so as to switch between a holding state and an inclining state;the feeding unit is arranged above the transferring unit and is used for guiding an upstream material into the transferring feed cylinder; and the control unit is arranged opposite to the transferring feed cylinder, and is used for controlling the feeding unit to feed or cut materials according to the action of the transferring feed cylinder. The whole pasty material conveying device is simple instructure, low in cost, reliable in mechanical structure action, and capable of semi-automatically and quantitatively conveying the pasty materials.

The invention discloses a risk-avoiding satellite navigation system for flood prevention and a use method thereof.The risk-avoiding satellite navigation system comprises two fixing frames which are symmetrically arranged up and down, the upper side face and the lower side face of each fixing frame are in an arc shape, and the outward arc surface region of each fixing frame is large; the left side faces of the two fixing frames are connected through a first air bag, the right side faces of the two fixing frames are connected through a second air bag, and the first air bag, the second air bag and the annular faces of the fixing frames jointly form a wearing cavity. The risk-avoiding satellite navigation system for flood prevention is only a fixing frame fixed to the chest and the back when being not triggered, and the flood prevention operation of workers cannot be influenced; the state of flood prevention personnel can be recognized through a mechanical structure, the air bag can be automatically inflated when the flood prevention personnel encounter danger, and the mechanical structure is stable and reliable; a navigation block is arranged in the system and can be automatically triggered in a specific state, and the position can be fed back in real time.