485results about How to "Avoid hard contact" patented technology

Provided is a movable type hole drilling device. The movable type hole drilling device comprises a shell (2). The lower portion of the shell (2) is fixedly connected with an idler wheel installation part (14). The lower portion of the idler wheel installation part (14) is provided with idler wheels (20) used for moving the hole drilling device. The upper portion of the idler wheel installation part (14) is capable of removably placing weight blocks (140) used for providing downward pressure during the hole drilling process. The upper portion of the shell (120) is provided with a hole drilling driving motor (2). The hole drilling driving motor (2) is in power connection with spline housing pipe fittings (5). The spline housing pipe fittings (5) are matched with spline shafts arranged on the upper portions of spline shaft connecting pieces (4). The lower portions of the spline shaft connecting pieces (4) are provided with a coupling sleeve. A concave portion of the coupling sleeve is used for containing a minor diameter part (42) on the upper portion of a drill driving shaft (40), and the coupling sleeve is fixedly connected with the drill driving shaft (40) through longitudinal extending fastening bolts (52).

The invention discloses a mechanical type dual-cavity seeding apparatus. Two cavities are bilaterally symmetric. The mechanical type dual-cavity seeding apparatus comprises a seed box, shells, a seed feeding pipe, a seed charging nozzle, a left overturning type seed discharging cover, a right overturning type seed discharging cover, a left seed separating hairbrush, a right seed separating hairbrush, a seed discharging disc and a seed discharging shaft. A groove of the seed discharging disc, wall surfaces of the left shell and the right shell, the left seed separating hairbrush and the right seed separating hairbrush form a left seed filling cavity and a right seed filling cavity which are communicated with the seed feeding pipe, holes are formed in disc surfaces of two sides of the seed discharging disc, a left arc-shaped seed removing and protecting plate and a right arc-shaped seed removing and protecting plate as well as the left seed separating hairbrush and the right seed separating hairbrush are arranged on the inner sides of the left shell and the right shell, the left seed separating hairbrush and the right seed separating hairbrush prevent seeds from directly entering the seed charging nozzle from the left seed filling cavity and the right seed filling cavity, an upper end opening of the seed charging nozzle is aligned to the holes in the seed discharging disc, and seeds are filled in the holes along with the rotation of the seed discharging disc in a seed filling region, and then enter a seed removing region and a seed protecting region to complete seed removing and seed protecting, and finally enter a seed charging region to complete seed filling. The mechanical type dual-cavity seeding apparatus is novel in structure; by adopting a manner of filling the seeds, protecting the seeds and discharging seeds on the side edge of a dual-cavity vertical disc, the mechanical type dual-cavity seeding apparatus is compact in structure, capable of achieving precise and less hole sowing, and adjustable in row spacing.

The invention relates to the field of motor vehicle speed changer structures, in particular to a six-gear directly selecting structure for an automobile speed changer. The six-gear directly selecting structure comprises a first-gear and second-gear positioning pin (4), an elastic element (5) and a back gear limiting device; the back gear limiting device comprises a limiting pin (6) contacted and matched with a concave groove of the first-gear and second-gear positioning pin (4), and a rising device connected with the upper end of the limiting pin (6); the limiting pin (6) is glidingly arranged in a sliding cavity of an operating cover (3) above the first-gear and second-gear positioning pin (4); at the initial position, the bottom of the limiting pin (6) is contacted and matched with the bottom of the concave groove of the first-gear and second-gear positioning pin (4) to realize limitation on left and right movement of the first-gear and second-gear positioning pin (4), and upward moves to a position above the sliding cavity of the first-gear and second-gear positioning pin (4) along the sliding cavity of the operating cover (3) under the action of the rising device. By using the scheme, the service life of the monolithic structure can be extended, and the situation of mistakenly putting into the back gear can be avoided basically.

The invention discloses a wire reel clamping jaw and a using method thereof. The wire reel clamping jaw comprises a connection base, the front end face of the connection base is provided with a bearing plate, a base plate and an air cylinder, the air cylinder is fixed to the base plate, and an air cylinder shaft is connected with a transmission plate. The transmission plate is connected with at least three jaw bodies through a linkage type transmission mechanism fixed to the bearing plate, one ends of the jaw bodies are in pivoted connection with the base plate, the other ends of the jaw bodies extend to the front end of the bearing plate, and each jaw body is in pivoted connection with the codirectional ends of a first driving rod and a second driving rod of the linkage type transmissionmechanism, and is driven by the air cylinder to rotate around a pivot shaft connected with the base plate. According to the scheme, a baffle at one end of a wire reel is clamped with the jaw bodies which can synchronously shrink and expand, and the problem is effectively prevented that in the prior art, when baffles at the two ends are clamped, a clamping jaw interferes with a wire reel placementtable top. By using the linkage type transmission structure, double linkages are adopted to be connected with the jaw bodies, the rigidity of the jaw bodies is effectively improved, the bearing capacity is improved, and a guarantee is provided for transverse placement of the wire reel.

The invention belongs to the technical field of broadleaf holly leaf processing, and particularly relates to a dryer for broadleaf holly leaves. The dryer comprises a casing and an air heater, wherein a casing cover is fixed at the top of the casing; a feeding hopper is arranged at the upper end of the casing; a main hot air inlet connected with the air heater is formed in the casing cover; the dryer also comprises a conical barrel which is fixedly connected with the lower end of the casing; a discharge opening is formed in the lower end of the conical barrel; a separating board is arranged inside the casing; an inner cavity of the casing is divided into a left chamber and a right chamber by the separating board; the feeding hopper is positioned above the left chamber; first folded plates and second folded plates which are mutually staggered are arranged in the left chamber; free ends of the first folded plates and the second folded plates are separately downwards inclined; a vertical cylinder is arranged in the right chamber; a rotating shaft extending into the cylinder is rotationally connected onto the top cover; the lower end of the rotating shaft extends into the conical barrel; and a spiral blade is welded on the rotating shaft. The dryer disclosed by the invention is simple in structure; and compared with a traditional dryer, the dryer disclosed by the invention has the advantages that tea can be sufficiently contacted with hot air, and the influence on final modeling of the tea is avoided.

The invention discloses an automatic wire reel feeding and discharging system and a feeding and discharging method thereof, and a wire winding production line. The feeding and discharging system involves a wire reel transportation trolley, a wire reel feeding and discharging trolley and a wire reel feeding and discharging station; the wire reel transportation trolley is provided with a platform for placing at least two wire reels, and can be moved to at least one processing device; the wire reel feeding and discharging trolley is provided with a structure for transferring the wire reels between the wire reel transportation trolley and the processing device and can be moved between the processing device and the wire reel feeding and discharging station; and the wire reel feeding and discharging station is fixed in position and is provided with a wire reel placement table and a transferring mechanism for transferring the wire reels between the wire reel transportation trolley and the wire reel placement table. According to the scheme, the dead weight of each trolley can be effectively reduced, so that the power requirement is reduced, the problem that the trolley feeding and discharging and the wire winding machine feeding and discharging can not be simultaneously carried out in an existing structure is effectively avoided, the time loss caused by the trolley stopping for feedingand discharging is saved, the processing beat is improved, and the processing efficiency is improved.

The invention discloses a construction machinery transfer device with good stability, comprising a fixed box, the top of the fixed box is fixedly connected with a mechanical body, both sides of the fixed box are fixedly connected with first brackets, and the first The bottom of the support is movably connected with a first roller, the right side of the top of the fixed box inner wall is fixedly connected with a support plate, the bottom of the left side of the support plate is provided with a motor, and the output end of the motor is fixedly connected with a disc. In the present invention, a fixed box, a support plate, a motor, a disc, an elliptical groove, a hollow column, a movable rod, a fixed block, a trapezoidal block, a guide rod, a chute, a sliding rod, a partition, a second bracket, a second roller, The cooperative use of the support rod, the spring and the bottom plate achieves the effect of improving the stability of the construction machinery transfer device, and solves the problem that the device reduces the stability of the construction machinery transfer device, so that it is convenient for users to use and improves the stability of the construction machinery transfer device. practicality.

The invention discloses a mechanical auxiliary negative pressure collecting jujube leaf separation automatic jujube-picking machine. The machine comprises a mechanical arm, wherein the mechanical armis attached with a jujube-conveying pipe; the front part and the rear part of the jujube-conveying pipe are respectively connected with an air-suction negative-pressure pipe; the air-suction negative-pressure pipe is connected with the fan; one end of the jujube conveying pipe is communicated with the jujube suction opening on the mechanical arm, the other end is communicated with the jujube leafseparation device, the front part of the jujube suction opening is provided with a jujube claw, and the jujube leaf separation device is used for separating the jujube and the jujube leaf, and a red jujube grading device is arranged at the next station of the jujube leaf separation device, the red jujube grading device is used for grading the red jujube; and the tail end of the red jujube gradingdevice is provided with a red jujube collecting device. The machie adopts a negative-pressure air-suction type jujube-absorbing and a jujube claw auxiliary picking mode, so that the working efficiencyis improved, the hard contact of the picking device and the red jujube is avoided, the peel of the jujube is protected, and the jujube picking is more thorough.

The invention relates to a jaw crusher for rare earth minerals and a crushing method of the jaw crusher. The jaw crusher for the rare earth minerals and the crushing method of the jaw crusher mainly solve the problems that an existing crusher is low in efficiency and poor in smashing effect and a lining plate is abraded easily. The jaw crusher for the rare earth minerals comprises a rack, a transmission mechanism, a movable jaw mechanism, a movable jaw pull rod mechanism and an adjusting mechanism, wherein the transmission mechanism, the movable jaw mechanism, the movable jaw pull rod mechanism and the adjusting mechanism are arranged on the rack, a tooth-shaped lining plate is perpendicularly arranged on the front wall inside the rack, a cement pouring layer is arranged between the tooth-shaped lining plate and the rack, the bottom of the movable jaw mechanism is connected with the movable jaw pull rod mechanism and the adjusting mechanism, the top of the movable jaw mechanism is connected with the transmission mechanism, and a crushing cavity is formed between the tooth-shaped lining plate and the movable jaw mechanism. The technical scheme solves the problems well and can be used for crushing of the rare earth minerals.

The invention discloses an efficient heat insulation guide pipe bracket which comprises an upper hoop, heat insulation tile blocks, high-temperature-resistant soft heat preservation materials, bolt fasteners, a lower hoop, a base and a foundation bed. The upper hoop and the lower hoop are each of a semi-ring structure, and the two sides of the upper hoop and the two sides of the lower hoop extend to form fixing ends. The heat insulation tile blocks are poured on both the inner wall of the upper hoop and the inner wall of the lower hoop. The high-temperature-resistant soft heat preservation materials adhere to the inner walls of the heat insulation tile blocks. The upper hoop and the lower hoop are connected through the bolt fasteners arranged at the fixing ends. The lower hoop is connected to the base in a welded mode. The bottom of the base is provided with an upper sliding plate which is arranged on a lower sliding plate above the foundation bed. Accordingly, the efficient heat insulation guide pipe bracket is formed. Anchor nails and pull rods are additionally arranged between the upper hoop and the heat insulation tile blocks and additionally arranged between the lower hoop and the heat insulation tile blocks. According to the efficient heat insulation guide pipe bracket, by the adoption of the structural form that the anchor nails and the pull rods are additionally arranged between the upper hoop and the heat insulation tile blocks and additionally arranged between the lower hoop and the heat insulation tile blocks, the load bearing capacity of the pipe bracket is ensured, the loading capacity is high, and the heat transfer insulating effect is good.

The invention relates to an automatic device used for cleaning a tail yarn on a spindle blade of a spinning frame. The automatic device replaces manual cleaning, saves time and improves production efficiency. The device for automatically cleaning the tail yarn comprises a guide rail and a support frame, wherein the guide rail is horizontally and suitably arranged at one side of the spindle blade of the spinning frame; the support frame can do reciprocating motion along the guide rail; a horizontal panel is arranged on the support frame; and the horizontal panel is provided with at least a connecting arm; a rotary knife flywheel is arranged at the free end of the connecting arm; the central shaft of the knife flywheel is arranged vertically; and the knife flywheel is formed by laminating multiple layers of zigzag blades.

The invention provides a household screen window decontaminating device combining clockwise and anticlockwise circumferential brushing and negative pressure suction, relates to the mechanical field and solves the problem that an arranged screen window is hardly cleaned. The household screen window decontaminating device combining clockwise and anticlockwise circumferential brushing and negative pressure suction comprises a fixed outer housing. A mounting inner shell is adhered to the fixed outer housing through a connecting block, a humidifying and deoiling mechanism is arranged between the fixed outer housing and the mounting inner shell, an opening is formed in the left end of the fixed outer housing, and a tail connecting protecting barrel is adhered to the right end of the fixed outerhousing. According to the household screen window decontaminating device combining clockwise and anticlockwise circumferential brushing and negative pressure suction, a control motor controls cleaninghairbrushes on the end parts of a driving rotating rod and a driven rotating rod to rotate to clean dust on the surface of the screen window, so that the condition that the local part of the screen window is not cleaned as a result of unidirectional rotation is avoided. The motor controls a telescopic protecting part to beat the screen window continuously to simulate the action of flickering thewindow with a finger, so that dust is scattered effectively.

The invention discloses a self-adaptive press-fitting machine, an automatic press-fitting system and a press-fitting method thereof. The self-adaptive press-fitting machine comprises a pressure head and a driving device for driving the pressure head to move in a first direction and a second direction in a reciprocating mode, the pressure head is connected with the driving device through a coaxiality fine adjustment device. According to the scheme, the design is ingenious, the structure is simple, and the coaxiality fine adjustment device is arranged between the pressure head and the driving device, so that the pressure head can swing slightly with respect to the driving device; when press fitting is carried out, if a column-shaped body and a hole or a groove are not in a co-axial state, the column-shaped body clamped by the pressure head can be coaxial with the hole or the groove through slight swinging of the pressure head, so that the coaxiality is improved, and smooth press fittingis facilitated; and meanwhile, the damage of the column-shaped body or a workpiece easily caused by direct rigid pressing can be avoided, and the safety of press fitting is guaranteed.

The invention discloses a color sorter for rice. The color sorter comprises a machine body, a feed hopper, a vibrating feeder, a rice sliding channel, a light source, a background plate, a CCD lens, an electronic optical analysis meter, an electronic airflow ejector and a discharge bin are installed in the machine body, the discharge bin comprises a first-grade bin collecting high-quality rice and a second-grade bin collecting poor-quality rice, a speed reducing mechanism and a vibrating screen are arranged inside the first-grade bin, the speed reducing mechanism comprises a receiving hopper and a speed reducing channel, the receiving hopper communicates with the speed reducing channel and is located below the rice sliding channel to receive the high-quality rice, speed reducing plates are arranged inside the speed reducing channel, and the speed reducing channel is located right above the vibrating screen and is used for conveying the high-quality rice to the vibrating screen. According to the color sorter, a screening machine adopted before color sorting is eliminated innovatively, a screening mechanism is designed inside the color sorter, the rice undergoes color sorting firstly to screen out the poor-quality rice and the high-quality rice, then the high-quality rice is screened by size, and therefore color sorting and screening are combined, and the working pressure of the screening step is lowered.

The invention discloses a seed sieving device which comprises a bottom plate. A motor is fixedly installed on the left side of the top of the bottom plate. The output end of the motor is fixedly connected with a rotating rod. A U-shaped rotating rod is fixedly connected to the top of the rotating rod. The surface of the U-shaped rotating rod is sleeved with a sleeve. A fixing base is fixedly connected to the right side of the sleeve. A moving rod is movably connected into the fixing base through a rotating shaft. A connecting rod is movably connected with one end, away from the fixing base, of the moving rod through a rotating shaft. A limiting rod is fixedly connected with the portion, located on the right side of the motor, of the top of the bottom plate. According to the seed sieving device, by means of cooperation of the motor, the rotating rod, the U-shaped rotating rod, the sleeve, the fixing base, the moving rod, the connecting rod, a sieving box, a sieving screen, rolling wheels and a sliding rail, the sieving box can shake left and right, thus, wizened seeds or seeds with the small size are sieved out under the effect of the sieving screen, manual sieving is replaced, the sieving efficiency is high, and manual labor intensity is reduced.

The invention discloses a convenient clamping textile transportation device, which comprises a box body, a handle is fixedly connected to the top of the right side of the box body, a fixed block is fixedly connected to the left side of the bottom of the inner wall of the box body, and the fixed The front of the block is movably connected with the first support, the top of the first support is movably connected with the first roller, the right side at the bottom of the inner wall of the box is fixedly connected with the first connecting block, and the front of the first connecting block is movably connected with an electric telescopic rod. The present invention sets fixed block, first bracket, first roller, first connecting block, electric telescopic rod, second connecting block, chute, sliding rod, partition plate, trapezoidal plate, polished rod, slip ring, transmission rod, connecting The combined use of the rod and the clamping plate solves the problem that the existing textile transportation device is inconvenient to use and cannot clamp the textile. Perform clamping.

The invention discloses cutter polishing equipment with a good polishing effect. The cutter polishing equipment comprises a fixed base, a fixed rod is arranged on the fixed base, a movable groove is formed in the fixed rod, movable blocks are symmetrically arranged in the movable groove, motors are arranged at the front ends of the movable blocks, polishing wheels are arranged on motor shafts of the motors, and pushing springs capable of pushing the movable blocks to the middle of the movable groove are arranged between the movable blocks and the fixed rod; and an adjusting device capable of adjusting the distance between the two movable blocks is arranged between the two movable blocks, a fixing device capable of fixing a cutter is arranged at the position, at the front end of a polishing wheel, of the fixed base, and a movement mechanism capable of driving the fixing device to move front and back is arranged at the position, on one side of the fixing device, of the fixing base. The cutter polishing equipment is simple in structure and convenient to use.

The invention discloses a mixing device for preparing an amino acid organic fertilizer. The device includes a bottom plate, wherein output shafts of two electric hydraulic cylinders are fixedly connected with the two sides of the bottom end of a top plate correspondingly. An output shaft of a stirring motor penetrates through the top plate and is fixedly connected with a stirring shaft in a tank cover; a scraping plate is mounted on one side of each of a plurality of buffer devices; the inner wall of a heating shell is fixedly sleeved with the outer wall of the tank body. According to the disclosed mixing device, the plurality of scraping plates connected with the buffer devices are arranged on the two sides of the stirring shaft; the scraping plates can be in contact with the inner wall of the tank body to clean raw materials adhered to the inner wall surface of the tank body and guarantee uniform mixing, meanwhile, when the tank body is placed obliquely, the buffer devices provide buffer force for the scraping plates, hard contact between scrapers and the inner wall of the tank body is avoided, the scrapers and the tank body are effectively protected, and meanwhile, a stirring bottom block is arranged to mix the raw materials at the bottom of the tank body.

The invention discloses a textile trolley convenient to fix. The textile trolley comprises a box body, a fixing plate is fixedly connected with the right side of the top part of the box body, a motor is arranged at the rear face of the inner wall of the box body, and an ellipse is fixedly connected with the output end of the motor; a guiding groove is formed in the front face of the ellipse, a polished rod is fixedly connected with the top part of the right side of the inner wall of the box body, and the left end of the polished rod is fixedly connected with the top part of the left side of the inner wall of the box body; sliding rings are slidably connected to the two sides of the surface of the polished rod, and guiding rods are fixedly connected with rear faces of the sliding rings. Through cooperative using of the box body, the fixing plate, the motor, the ellipse, the guiding groove, the polished rod, the sliding rings, the guiding rods, the connecting plate, a transversal plate, a sliding rod, a sliding groove, a supporting rod, supports and rolling wheels, the effect of fixing the trolley is achieved, and the problems that the existing textile trolley is not provided with a fixing function, using for a user is not convenient, and practicality of the textile trolley is reduced are solved.