80results about How to "Avoid sticking out" patented technology

A telescoping clamp assembly for a material handling system includes an inner shaft, an outer shaft, a clamping device, and a retaining element. The inner shaft has a longitudinal guide portion along an outer surface of the inner shaft. The outer shaft has a bore adapted to receive the inner shaft. The clamping device is located at the outer shaft and is configured to tighten the outer shaft about the inner shaft. The retaining element is adjustable to adjust a degree of clamping of the clamping collar at the outer shaft. The retaining element also engages the longitudinal guide portion of the inner shaft to limit extension and/or extraction of the inner shaft from the outer shaft.

The invention provides a novel range hood. The novel range hood comprises a flow guide cover, a smoke exhauster and a smoke exhaust pipe, wherein an opening of the flow guide cover is aligned to an oil smoke source, the smoke exhaust pipe communicates with the top of the flow guide cover and the exterior of the novel range hood, and the smoke exhauster guides air inside the flow guide cover out of the novel range hood through the smoke exhaust pipe; a flow separation cavity and an air inlet fan are arranged outside the flow guide cover, an air inlet communicating with the exterior is formed in a wall of the flow separation cavity, the flow separation cavity is provided with an air outlet, and the air inlet fan blows the air to the periphery of the oil smoke source through the air outlet of the flow separation cavity, so that an air curtain is formed. The air in the flow separation cavity is exhausted through the air outlet and then is blown to the periphery of the oil smoke source, the air curtain is formed around the oil smoke source, diffusion or escape of the smoke is prevented, and the smoke is forced to be gathered towards the middle and can be conveniently exhausted out of the novel range hood by the smoke exhauster.

The invention provides a protective cover capable of being opened by remote control, comprising a housing with an opening and a seal cap mounted on the opening, wherein a liftable mounting table is mounted in the housing, and fixedly connected with the seal cap; and a driving device for driving the mounting table to rise and a control mechanism capable of fixing and exciting the mounting table to rise are mounted in the housing. According to the protective cover capable of being opened by remote control, a sensor can be mounted on the mounting table, and then the opening is covered with the seal cap to seal the housing, thereby protecting the sensor located within the housing and prolonging the service life of the sensor. When needing to open the housing to use the sensor on the mounting table, the mounting table is allowed to rise and the seal cap is opened, so that the sensor can be in contact with the environment outside the housing and can detect the environment nearby. The protective cover is simple in integral structure, capable of effectively protecting a meteorological sensor, convenient to open when needed, and high in use flexibility; moreover, the influence of the environment on the sensor is reduced to the utmost extent, and the service life of the sensor is prolonged.

The invention discloses a reversing valve, a hydraulic actuator reversing control loop and an engineering machine. The reversing valve comprises a valve body which is at least provided with an oil feed port (P), an oil return port (T), a first working oil port (A) and a second working oil port (B), wherein a valve element (102) is arranged in a valve element matching cavity of the valve body, a moving stroke range of the valve element at least comprises a first working position, a second working position and a middle position, the first working position, the second working position and the middle position are used for controlling the reversing of a hydraulic actuator, the moving stroke range of the valve element at least further comprises a first transition position, and at the first transition position, the first working oil port (A) and the second working oil port (B) are both communicated with the oil return port (T). The reversing valve has a special transition function, the valve element of the reversing valve is made to pass through the first transition position in the reversing process of the valve element of the reversing valve from the first working position to the middle position to enable low oil pressure or no oil pressure is remained in the first oil port of the reversing valve, and high pressure is formed and maintained in the first working oil port when the middle position is impacted by pressure.

The invention relates to a safe position-limiting mechanism for an automatic rotary table conveying device. The safe position-limiting mechanism for the automatic rotary table conveying device comprises a stopper arranged on a rotary table roller way, and a pressing plate arranged on a conveying roller way, wherein the stopper comprises two sleeves arranged on a bottom plate of the rotary table roller way; support rods are inserted into the two sleeves; one ends of the two support rods are connected with the bottom plate of the rotary table roller way through springs; the other ends of the twosupport rods are connected with the bottom part of one long strip-shaped stopper block; the top part of the stopper block is located above the rotary table roller way so as to stop a workpiece; the bottom part of the stopper block is connected with one end of a connecting rod; a rolling wheel seat and a rolling wheel are arranged at the other end, penetrating through the bottom plate of the rotary table roller way, of the connecting rod; two sections of inclined surfaces with opposite inclined directions are arranged at the bottom end of the pressing plate; the pressing plate is located on arotation path of the rolling wheel rotating along with the rotary table roller way, so that the rolling wheel contacts one section of the two sections of inclined surfaces and rolls along the inclinedsurface so as to drive the stopper block to move downwards, and the top part of the stopper block is located under the rotary table roller way; and through the elastic acting forces of the springs, the stopper block is reset after the rolling wheel and the pressing plate are separated.

The invention provides a cotton-feeding cubing-roll device for a cover plate type carding machine, comprising a roller (12), a fiber feeding board (11), a cubing roll (13) and a cubing-roll housing plate (16), wherein the fiber feeding board (11) is arranged under the roller (12); the cubing roll (13) is arranged on one side of the roller; the cubing-roll housing plate (16) is arranged above the roller (13); a mote knife (14) and a small screen (15) are arranged under the cubing roll (13); the mote knife (14) is arranged on one side of the cubing roll (13) close to the roller (12); and a wrapping angle a of the small screen (15) is between 109 and 140 degrees. The cotton-feeding cubing-roll device for the cover plate type carding machine can effectively improve the utilization rate of fibrilia, and ensure even slivering, good quality of final yarn, and stabilize the blending ratio with cotton and other fibers.

The invention relates to a method for preparing a sandwich composite wall body by utilizing industrial wastes. The method comprises the following steps: (1) crushing foamed plastic product wastes intofoamed plastic product waste grains with the grain diameter less than 3mm; (2) building an external sandwich wall and an internal sandwich wall and pre-embedding a connection pull rod; (3) uniformlymixing and stirring the foamed plastic product waste grains obtained by step (1), desulfurized building gypsum, chopped fibers, polyvinyl alcohol, a concrete waterproof agent, sodium dodecyl sulfate and water according to a ratio; injecting the mixture into a cavity between the external sandwich wall and the internal sandwich wall and compacting by utilizing a vibrator.

The invention discloses an automatic vending machine and a commodity conveying method, and relates to the field of automatic vending. The automatic vending machine includes a cabinet, a plurality of commodity channels, a commodity funnel, a commodity funnel driving mechanism, a first door blocking mechanism, a second door blocking mechanism and a controller; wherein the surface of the cabinet is provided with a commodity picking opening; the commodity channels are used for storing commodities; the commodity funnel is provided with a commodity inlet and a commodity outlet, the commodity inlet is used for receiving commodities to be conveyed from the commodity channels, and the commodity outlet is used for being in butt joint with the commodity picking opening; the commodity funnel driving mechanism is used for driving the commodity funnel to move in the cabinet; the first door blocking mechanism is used for blocking or opening the commodity inlet; the second door blocking mechanism is used for blocking or opening the commodity outlet; the controller is used for controlling the first door blocking mechanism to open the commodity inlet when the commodity inlet is in butt joint with the commodity channels, and controlling the second door blocking mechanism to block the commodity outlet. Through adoption of the automatic vending machine of the invention, when the commodity enters the commodity funnel, the commodity cannot extend to the outside of the commodity funnel through the commodity outlet, so that collision between the commodity to be conveyed and other structures of theautomatic vending machine is avoided, and normal movement of the commodity funnel is ensured.

The invention belongs to the field of building equipment and particularly discloses a crushing device. The crushing device comprises a rack, a pressing plate, a bottom plate, positioning pins and air cylinders, wherein a formwork is fixedly mounted on the ground and baffles are arranged at the periphery of the rack; the pressing plate is in sliding connection with the rack; a hydraulic cylinder is fixedly arranged above the pressing plate; the hydraulic cylinder drives the pressing plate to ascend or descend; the bottom plate is fixed on the ground, is fixedly connected with the rack, is located just below the pressing plate, and is provided with connecting holes; the positioning pins are located in the connecting holes; the positioning pins are in sliding connection with the bottom plate; a sphere-crown-shaped crown head is arranged at the upper part of each positioning pin; the air cylinders are buried below the bottom plate; each positioning pin is connected with the corresponding air cylinder; the air cylinders are respectively used for driving the positioning pins to stretch out or retract back; connecting pipes, which are communicated with one another, are arranged among all the air cylinders; the connecting pipes are provided with pressure leaking pipes. Aiming at the technical problems that small stone blocks are easily splashed to injure people and large ores are difficult to fix in a primary crushing process, the invention provides the crushing device.

The invention discloses an automatic cleaning machine for a gum film of a modularized integrated circuit chip. A cross beam is arranged the top of a stander, a grinding guide rail is arranged in the middle of the stander; a plurality of grinding mechanisms are mounted on the cross beam on the stander in an equal interval manner and comprise reciprocating driving devices, sliding blocks, pressure sensors and bow-shaped grinding assemblies; the reciprocating driving devices are fixed on the cross beam; the sliding blocks are connected with the grinding guide rail; the reciprocating driving devices drive the sliding blocks to slide in a reciprocating manner on the grinding guide rail; the tops of the pressure sensors are fixedly connected with the sliding blocks, and the bottoms of the pressure sensors are fixedly connected with the bow-shaped grinding assemblies; the bow-shaped grinding assemblies are arranged above the integrated circuit chip; and a chip fixing mechanism is arranged atthe bottom in the stander, and the integrated circuit chip is fixedly placed on the chip fixing mechanism. The grinding mechanisms are modularized and can be mounted on the cross beam of the stander in an equal interval manner, so that the modularized combined mounting is realized, and the formation of a flow production line is facilitated.

The invention discloses a portal scaffold, which comprises a framework, a platform mechanism, universal wheels and a fixing mechanism, wherein the framework comprises first rods, second rods and third rods; the first rods and the second rods form an included angle alpha with the ground, and alpha is greater than or equal to 55 degrees but smaller than or equal to 75 degrees; the third rods are arranged in a way of being parallel to the ground; the adjacent first rods and second rods are fixedly connected through the third rods for forming portal frames A; the two adjacent first rods are fixedly connected through the third rods for forming portal frames B; the two adjacent second rods are fixedly connected through the third rods for forming portal frames C; any two portal frames A are mutually parallel; the portal frames B and the portal frames C form an included angle beta, and beta is greater than or equal to 0 degrees but smaller than or equal to 55 degrees; in the platform mechanism, a first flat plate, a second flat plate and a third flat plate are respectively hinged to a support frame; and a slide rod in the fixing mechanism upwards or downwards moves to the uppermost part or the bottommost part along the first rods and the second rods so that the universal wheels or a support seat is in contact with the ground. The portal scaffold has the advantages that the structure is simple, and the portal scaffold is of a platform-shaped structure, so the scaffold cannot easily turn over, and the universal wheels cannot easily roll in the use process.

The invention discloses a high-precision automatic removing machine for a back adhesive film of an integrated circuit chip. A cross beam is arranged at the top of a rack, and a plurality of grinding guide rails are arranged in the middle of the rack. The grinding mechanisms are mounted on the cross beam of the rack at equal intervals. Each grinding mechanism comprises a reciprocating device, a sliding block, a pressure sensor and an arc-shaped grinding assembly, wherein the reciprocating device is fixed to the cross beam, the sliding block is slidably connected with the corresponding grindingguide rail, and the reciprocating device drives the sliding block to reciprocate on the corresponding grinding guide rail; the top of the pressure sensor is fixedly connected with the sliding block, and the bottom of the pressure sensor is fixedly connected with the arc-shaped grinding assembly; and the arc-shaped grinding assembly is arranged above the integrated circuit chip. A chip fixing mechanism is arranged at the inner bottom of the rack. The integrated circuit chip is fixedly placed on the chip fixing mechanism. According to the high-precision automatic removing machine, the grinding pressure is measured through the pressure sensors, and then the working pressure and reciprocating frequency of the arc-shaped grinding assemblies are accurately controlled, so that the adhesive removal effect is effectively ensured, and the production efficiency is improved.

The invention discloses a rotating-bent pedal of an electromobile. A pedal body is perpendicularly connected with a connecting handle, an arched sliding rail is arranged at one end of the connecting handle, the pedal body is connected with the arched sliding rail, stretchable rods are arranged at the other end of the connecting handle, and the stretching directions of the stretchable rods face the pedal body. An inverse-T-shaped sliding groove is formed in the middle of the arched sliding rail, a T-shaped clamped-connection block is arranged at the tail end of the pedal body and arranged in the sliding groove, a positioning piece is arranged at the tail end of the connecting handle, and the pedal body is supported by the positioning piece to be perpendicular to the connecting handle. Each stretchable rod comprises an inner rod and an outer rod which are connected together in a sleeved mode, wherein a circular hole is formed in the side wall of the end, facing the pedal body, of each outer rod, protruding buckles are arranged at the two ends of each inner rod respectively and penetrate through the inner rod, elastic elements abutting against the protruding buckles are arranged in the inner rods, and the protruding buckles can be located in the circular holes. By means of the rotating-bent pedal, the pedal body can be rotated to be combined with the connecting handle, the pedal body and the connecting handle can be fixed through the stretchable rods, the pedal body can be prevented from extending out of the left side and the right side of the electromobile, and the use safety of the electromobile can be improved.

The invention discloses a furniture hinge device. The furniture hinge device comprises a lower die holder and an upper die holder. The lower die holder is internally provided with a die cavity with anopening facing upwards. The left end wall and the right end wall of the die cavity are internally and symmetrically provided with pad holes with openings facing the die cavity. Conical cavities are formed in the lower end walls of the pad holes. A chip removing groove communicating with the outside is formed in the bottom wall of each conical cavity. An ejection component is arranged in the bottom wall of the die cavity. A telescopic cavity with an opening facing downwards is formed in the upper die holder. A die column matched with the die cavity is slidably mounted in the telescopic cavity.Through holes communicating with the outside are formed in the top wall of the telescopic cavity. A hydraulic device is fixedly mounted on the top end surface of the upper die holder. Hydraulic rodsof the hydraulic device penetrate through the through holes and are fixedly connected with the upper end surface of the die column. The die column is internally provided with a trepanning assembly. Through the furniture hinge device, the hinge machining efficiency can be improved, and the furniture hinge device is simple in structure, easy to use, safe and reliable.

The invention relates to the technical field of tissue culture seedling planting, and discloses a strip-shaped tissue culture seedling inoculation device. The strip-shaped tissue culture seedling inoculation device comprises a workbench, a visual detection unit, a stem segmentation unit, a to-be-grafted seedling pickup unit and an inoculation unit, wherein the workbench is provided with a cuttingarea and an inoculation area; the visual detection unit and the stem segment segmentation unit are both mounted in the cutting area of the workbench; the stem segmentation unit is located below the visual detection unit, and the to-be-grafted seedling pickup unit comprises a first manipulator and a tissue culture seedling pickup mechanism; the first mechanical arm is mounted on the workbench, thetissue culture seedling pickup mechanism is mounted on the first mechanical arm, and the inoculation unit comprises second mechanical arms and inoculation handles; and the second mechanical arms are mounted on the workbench, and each inoculation handle is mounted on the corresponding second mechanical arm. The strip-shaped tissue culture seedling inoculation device has the beneficial effects thatthe inoculation work of strip-shaped tissue culture seedlings can be automatically completed, the labor intensity of workers is reduced, the number of operators is reduced, and the production cost issaved for enterprises.

The invention discloses a covered stent which comprises a plurality of wave rings, and the wave rings are arranged in the axial direction. The covering film is arranged on the multiple wave rings, the covering film and the multiple wave rings form a hollow tubular structure with openings in the two ends, and the covering film is formed by weaving wires; the binding piece is arranged on the edge of an opening in at least one end of the hollow tubular structure, and the end of the covering film is wrapped by the binding piece, so that the wire at the end of the covering film is bound. According to the covered stent, the binding piece is arranged at the opening of at least one end of the hollow tube formed by the covering film and the multiple wave rings, the end of the covering film is wrapped by the binding piece, and therefore the wire at the end of the covering film is bound, and the cut edge wire of the covering film can be effectively prevented from stretching out of a hole of the binding piece; the situation that the blood vessel of the implanted part is stimulated and damaged by rough edge fibers on the edge of the covering film is avoided, and unnecessary damage to a patient is reduced.

The invention discloses a turnover learning desk. The problem that a user is likely to be injured by a locking piece is solved. According to the technical scheme, the learning desk mainly comprises adesk frame, a desk board and desk legs, wherein the desk board is installed on the table frame, the desk legs are used for supporting the desk frame, the desk board is hinged to the desk frame and overturned relative to the desk frame. A locking piece of an arc-shaped structure is hinged to the back side of the table board, the locking piece bends and extends to the direction of the desk legs fromthe hinged end in the forward and backward directions, an arc-shaped sliding groove which bends and extends in the forward and backward directions is formed in the locking piece, the circle center corresponding to the center line of the arc-shaped sliding groove and the circle center corresponding to the center line of the locking piece are located on the same side of the arc-shaped sliding groove, a locking screw matched with the locking piece for locking is arranged on the desk frame, and the locking screw extends into the arc-shaped sliding groove and slides relative to the arc-shaped sliding groove when the desk board is overturned. According to the learning desk, the height of the locking piece is reduced when the desk board is stored, it is avoided that the portion, stretching out of the bottom surface of the desk board, of the locking piece is over long, and the risk that the knees and legs of a learner are injured by the locking piece is reduced.