171results about How to "Not prone to loosening" patented technology

A method for designing the non-air-gap smooth-filling casting features controlling the filling smoothness, lowering the filling speed, preventing air and oxidized film from coming in molten metal, reducing the size of pouring channel, and increasing the technological output rate. Its casting system has a pouring cup, a plug rod system connected with said pouring cup and opened when filled molten metal in the pouring cup reaches its 1/2-1/3 height, and the arc corner between vertical and horizontal pouring channels. Its pouring speed is 0.5-1.0 m/s.

The invention discloses a fixture suitable for a circuit board testing table. The fixture is characterized by comprising a lower plate, an upper press plate rotationally connected with the lower plate and an air pressure spring with both ends respectively fixed on the lower plate and the upper press plate; the lower plate is provided with a lower needle plate, a probe protecting plate and a carrier plate and further provided with a baffle, a guiding pillar and a locating pillar in order to limit the horizontal movement of the upper press plate, in this way, the location precision of the upper press plate and the stability of the structure of a main fixture body are enhanced, the property of a circuit board to be tested is protected in the direction with the adoption of a static grounded copper chip; the upper press plate is provided with an upper needle plate, a press bar, a lifting handle and a press plate handle, so that the upper plate is convenient to lift and convey; the upper press plate is opened and closed by the air pressure spring so that the fixture can be opened and closed easily and conveniently, the operation is human-based, the lifting angle from 60 DEG to 85 DEG is formed between the upper press plate and the lower plate when the upper press plate is lifted, an operator is unlikely to strike a part when arranging the circuit board to be tested, in this way, the safety of the circuit board to be tested is ensured, and meanwhile, the stable structure of the fixture is ensured. With the common function of the structure, the stability of the main structure of the fixture is enhanced, the looseness situation is unlikely to happen, and meanwhile, the testing stability is enhanced.

The invention discloses an industrial robot arm capable of doing linear motion, and relates to the technical field of mechanical arms. The industrial robot arm comprises a base, a mounting seat and a supporting column, wherein a moving mechanism is arranged at the bottom of the mounting seat; and the moving mechanism comprises a rectangular frame body, sliding rails, sliding blocks, a screw rod, rolling wheels, rectangular grooves, a low-speed motor, mounting grooves and sliding grooves. During use of the industrial robot arm capable of doing linear motion, when goods need to be conveyed linearly after being clamped, the low-speed motor is started to drive the screw rod to rotate; the screw rod is in threaded connection with the mounting seat, and the bottom of the mounting seat is slidably connected to the rectangular frame body through the sliding rails and the sliding blocks, so that the mounting seat can perform linear motion; and therefore, the whole mechanism can perform linear motion so as to achieve linear conveying of the goods.

The invention discloses a casting mold of a motor housing of a new energy large energy storage fly wheel and a process method thereof. The casting mold comprises an integrated fly wheel housing casting mold and a split flywheel housing casting mold; the mold is a resin sand mold which is core-pulled and formed by an aluminum mold; an outer mold adopts at least 30 fan-shaped modules which are tightly spliced to form the round barrel-shaped outer mold; the angles of central angles corresponding to the fan-shaped modules are equally divided angles of the central angles, the resin sand core mold and a base are positioned and assembled in an inner hole of the barrel by means of hoisting equipment; the split flywheel housing comprises a barrel and a bottom plate, and the barrel and the bottom plate are perpendicularly formed mutually by means of robot welding, and the motor housing is manufactured by means of an integrated casting mold process method and a split casting mold process method.The flywheel housing disclosed by the invention adopts an aluminum-silicon alloy and American standard A356, and is produced by means of a resin sand molding low-pressure pouring process, so that thecasting mold is high in production efficiency, low in cost, stable and reliable in product quality and high in rate of finished products.

The invention provides a cloth winding machine for clothing processing and production, and belongs to the technical field of cloth winding machines. The problem that batching rollers of an existing winding machine need frequent disassembly and maintenance when being used, in the process of disassembling the batching rollers, the convenience of the batching rollers during disassembly is reduced dueto the fact that bearing seats of the two ends are fixed by a mass of bolts is solved. The cloth winding machine comprises a machine frame, two transmission rollers are rotatably connected to the upper part of the rear side of the machine frame through rotary shafts, and a cleaning mechanism is arranged at the position, located between the two transmission rollers, of the upper part of the machine frame. When two batching rollers are required to be disassembled for maintenance, a plug-in mechanism is manually and clockwise rotated, so that two driving plates move in the contrary directions under the action of two reversing threads, plug-in columns on the two driving plates are pulled out from through holes in rectangular plug-in blocks, so that the rectangular plug-in blocks lose the limiting action, then the two batching rollers are lifted upwards to be disassembled, and thus the convenience of the disassembly of the batching rollers is improved.

The invention discloses a small agricultural application agricultural solid waste crusher and an operation method thereof. The crusher comprises a mounting rack, a fixed plate, a front supporting plate, mounting lugs, a first edge plate, two sliding grooves, a protective plate, a first crusher roll, a second crusher roll, a second edge plate, a driving gear, a driven gear, a power supply box, beltpulleys and a power box. The fixed plate is installed on the front surface of the mounting rack in an inlaid manner. The font supporting plate, the first edge plate, the second edge plate, the powersupply box and the power box are all fixedly installed on the upper surface of the mounting rack. According to the small agricultural application agricultural solid waste crusher and the operation method thereof, because of cooperation between the protective plate and the sliding grooves, the safety of the crusher during feeding can be improved, and it is beneficial for positioning the feeding direction during feeding; because a heat conduction rod is arranged on the outer surface of a movable roll, and winches are in mutual clamping connection through clamping columns and butt joint notches,the stability of the winches is improved, and loss of the winches is reduced; and because a material guide plate is arranged, crushed solid waste can be guided out conveniently.

The invention discloses a textile dye mixing device, and the device comprises a fixed frame and is characterized in that stirring devices are fixedly connected to the inner walls of the two sides of the fixed frame, stirrers are arranged at the tops of the stirring devices, feeding ports are formed in the middles of the left sides of the front faces of the stirring devices, and observation windowsare formed in the right sides of the front faces of the stirring devices; a collecting device is arranged on the inner walls of the two sides of the fixed frame and located at the bottom of the stirring device, a controller is fixedly connected to the right side of the top of the front face of the collecting device, and a discharging port is formed in the bottom of the collecting device. The invention relates to the technical field of textiles. According to the textile dye mixing device, the cutting mechanism in the stirring device rotates along with the stirring rod, the stirring device makes contact with dye before the dye is smashed and stirred, some blocky dyes are convenient to smash and mix, the quality of textile finished products is not affected, the stirring process and the stirring degree are convenient to observe, and therefore adjustment is conducted in time.

The invention discloses a pipeline robot. The pipeline robot comprises a horizontal frame and a water splashing motor; the lower side of the horizontal frame is provided with two walking units arranged front and rear; the lower side of a motor shell of the water splashing motor is integrally provided with a lower locking plate, and the lower locking plate is locked on the upper side face of the front portion of the horizontal frame through a plurality of bolts; a water splashing output rotating shaft of the water splashing motor extends forwards. According to the pipeline robot, cleaning liquid sprayed out of a spraying port tangentially collides a concave arc surface, the cleaning liquid sprayed out forwards in a fan-shaped divergent mode is uniformly intercepted by various continuously rotating water splashing brushes and splashed around in a divergent mode under the centrifugal function of water splashing rods of all the water splashing brushes, the cleaning liquid splashed around quickly collides and cleans the inner walls of a pipeline where the robot is located, and as the robot advances, the inner walls of the whole pipeline can be cleaned once.

The invention relates to the technical field of road engineering, in particular to an asphalt mixture and a preparation method thereof. The preparation method comprises the following steps: preparingmaterials and performing hot melting, wherein the step of preparing the materials comprises a substep of preparing asphalt, rubber, water-soluble silicate, ceramsite, perlite, slag and river sand; thestep of performing hot melting comprises the substeps of performing hot melting for the first time, performing hot melting for the second time, performing hot melting for the third time and performing hot melting for the fourth time; the substep of performing hot melting for the first time further comprises the substeps of adding asphalt into a preheated hot melting tank, heating at 150-160 DEG Cfor 20-30 min, and then heating to 170-185 DEG C; the substep of performing hot melting for the second time further comprises the substeps of adding the water-soluble silicate and the ceramsite to the hot-melt asphalt, and performing hot stirring together; the substep of performing hot melting for the third time further comprises the substeps of adding the rubber into a mixture obtained after hotmelting for the second time, heating and stirring; the substep of performing hot melting for the fourth time further comprises the substeps of adding the perlite, the slag and the river sand into a mixture obtained after hot melting for the third time, and performing hot stirring. By the preparation method, the performance of the asphalt mixture can be improved, and the prepared asphalt mixture has improved cracking resistance after being paved.

The invention provides a die pressing device of an extruding machine, which is mounted at the upper side of an extruding machine die seat, wherein the die seat has a U-shaped groove structure with an upward opening; a module can be arranged into the die seat from a mounting opening at the upper side of the die seat; the pressing device comprises a power device and a pressing head; the power device faces to the center of the die seat and is vertically mounted at the upper side of the die seat; the pressing head is mounted at the lower end of the power device; and the power device can downwards push the pressing head to tightly press the module in the die seat. The power device is utilized for controlling the pressing and the looseness of the module by the pressing head so that each part of the module can be well pressed. The invention further provides a die fixing device provided with the pressing device, comprising a front beam, an upper guide frame, a lower guide frame, the die seat, the module, the die pressing device, an intra-die shearing cylinder, and main shears. Therefore, the pressing device is applied to the extruding machine and is matched with the pressing device so as to well guarantee the operation of the extruding machine.

The invention belongs to the technical field of electric vehicle equipment, and particularly relates to a rotating angle adjustable operation handle for an electric balance vehicle. The rotating angle adjustable operation handle for the electric balance vehicle solves the technical problems of turning regulation inconvenience and the like of the existing operation handle of the electric balance vehicle. The rotating angle adjustable operation handle comprises a handle body and a rotating angle shaft seat fixed on an operation rod, and is characterized in that the rotating angle shaft seat is provided with a transverse extending connection passage; the handle body and the connection passage are rotationally connected; a clutch positioning mechanism capable of positioning the handle body relative to the peripheral direction of the rotating corner shaft seat or relieving the peripheral positioning is arranged between the rotating angle shaft seat and the handle body; in addition, the handle body can be positioned at different peripheral rotating angles by the clutch positioning mechanism. The rotating angle adjustable operation handle has the advantages that the operation handle can conveniently rotate, so that the operation handle of the electric balance car has various holding postures; after the rotation, the state of the operation handle is firmly locked; the stability is high; a loosening phenomenon cannot easily occur.

The invention provides a light power transmission line suspension clamp pin mounting device and a using method thereof. The suspension clamp comprises a U-shaped frame, a clamp hull is arranged in theU-shaped frame, a sliding block is installed at the bottom of the clamp hull, a sliding rail is arranged at the bottom of an inner cavity of the U-shaped frame, the sliding rail is in sliding connection with the sliding block through the sliding block in the sliding rail, and a first spring is installed on one side of the sliding block. Second spring, a riveting aluminum pressing plate and a plastic wire pressing plate match one another. A cable penetrates through the hollow inner part of the ship clamping body. The second springs on the two sides are used for telescopic extrusion; the riveting aluminum pressing plates on the two sides and the plastic wire pressing plates on the two sides extrude each other, so that cables and the clamp ship body are clamped, the loosening phenomenon isnot prone to occurring, relative movement between the cables and the clamp ship body can be reduced, abrasion of the cables can be effectively reduced, the overall weight of the clamp is not heavy, and the load of a tower can also be reduced.

The invention discloses a novel high-pressure composite gas cylinder. The novel high-pressure composite gas cylinder comprises an inner liner, a bottle mouth, an inner lining, top tape, a sealing ring, a bottom flange, bottom tape and a winding layer, a sealing structure is arranged at one end of the inner liner and matched with the bottle mouth to realize the fixation to the inner liner, the inner lining is arranged at one end of the inner liner, the joint between the inner liner and the inner lining is wrapped and fixed by the top tape, the sealing ring is fixed to the sealing structure, thebottom flange is arranged at the bottom end of the inner liner, the joint between the bottom flange and the inner liner is wrapped and fixed by the bottom tape, and the winding layer is arranged on the outer wall of the inner liner and fixed to the inner liner by winding. According to the novel high-pressure composite gas cylinder, the sealing structure is designed, the sealing performance is high, the structural strength is high, the structural performance of a bottle body is high, and the weight of the gas cylinder is light.

The invention discloses a height-adjustable built-in control cabinet, which includes fasteners and a moisture-proof base. A power cabinet shell is installed on the moisture-proof base, and an aluminum-plastic plate is installed on the inner wall of the power cabinet shell. A stainless steel telescopic rod is connected to the top of the telescopic cylinder, and a support rod is fixed on the side of the component placement plate close to the moisture-proof base. L-shaped fixed iron rods are arranged at the centers of both ends of the power cabinet shell, and the L-shaped fixed iron rod A compression spring is fixed at one end of the iron rod, and a stainless steel support plate is installed at one end of the compression spring, and a transparent observation window is fixed at the center of the outer surface of the cabinet door. In the present invention, four component placement plates are arranged inside the cabinet shell of the power cabinet, telescopic tubes are arranged between adjacent component placement plates, and the telescopic length of the stainless steel telescopic rod can be controlled by manually adjusting the height adjustment bolts on the telescopic tubes, thereby The distance between adjacent component placement boards can be changed to realize the control of the internal space of the electrical cabinet.

The invention discloses a circulating hot air drying furnace, which comprises a drying furnace shell and a rotating main shaft. A motor is installed at the center of the bottom end of the drying furnace shell, and the output rotating shaft of the motor is connected with the rotating main shaft through a coupling. One end of the rotating main shaft is equipped with an impurity collection cylinder, one end of the fixed shaft is equipped with a slider, and the inside of the drying furnace shell is equipped with a disc track, and the disc track is connected with four sliders , the top of the drying furnace shell is equipped with a hot air blower, one end of the hot air blower is connected with a hot air pipe, the hot air pipe is connected with the drying furnace shell, and the gas filter and the circulating fan are connected with a A gas pipeline, a furnace door is arranged on the surface of the drying furnace shell. In the present invention, due to the action of centrifugal force, the porous cylinder can throw the impurities in the raw materials into the impurity collection cylinder to realize the removal of impurities from the raw materials, and at the same time speed up the contact surface between the raw materials and the hot air, so as to speed up the drying efficiency of the materials.

The invention discloses a sand sculpture manufacturing method. The method solves the problem that a sculpture sand pile is loose, so that a sand sculpture is prone to collapsing. According to the technical scheme, loose sand smaller than or equal to one third of the height of a first layer template is poured into a first layer template defining a square ; the loose sand in the first layer template is evenly tamped through a tamping machine; the steps are repeatedly executed until the loose sand in the first layer template defining the square is aligned to the template to form a first layer sculpture sand pile; and the method is adopted in the second layer sculpture sand pile to the Nth layer sculpture sand pile for tamping. According to the sand sculpture manufacturing method, by adoption of the method, the loose sand in each layer template can be tamped at at least three times, loose sand in each layer is firmer, and is not prone to loosening and collapsing, and the structural stability is improved; and meanwhile, the more tamped loose sand is more easily sculptured, and the sculpture precision is improved.

The invention provides a quick-connection type combined cable joint based on power equipment and a combination method thereof, which belong to the technical field of cable joints, and aim to solve the problem that a fastening structure on an existing cable joint is very easy to loosen due to lack of an effective anti-loosening structure. The combined cable joint comprises a box body; two conductor connecting pieces are arranged on the bottom end face in the box body in a front-back symmetrical mode, and the two conductor connecting pieces are both of a square blocky structure. two through holes are symmetrically formed in the left end face and the right end face of the box body front and back, and two fastening mechanisms are arranged at the positions, located at the through holes, of the left end face and the right end face of the box body. Under the action that a right triangle limiting block at the head end of the square sliding column is in close contact with a circular bead limiting tooth on the outer peripheral surface of the threaded fastening cylinder, the threaded fastening cylinder cannot be loosened anticlockwise at the moment, and then the threaded fastening cylinder is not prone to loosening when the cable is subjected to external wind power and the like. And the connection firmness of the cable joint is greatly improved.

The invention discloses a lifting type dining table which comprises support feet, a table plate as well as a square sleeve, a rack, a gear and a rocker arm, wherein the lower end of the square sleeve is connected with the centers of the support feet in a mutually perpendicular manner; the lower end of the rack is connected with the square sleeve in a sliding manner; the upper end of the rack is fixedly connected with the center of the lower side of the table plate; one side of the square sleeve is of an opened structure; the gear is connected with the rack through the opened structure in a meshed manner; the rocker arm is fixedly connected with the gear. The lifting type dining table disclosed by the invention has the advantages that due to adoption of the structure of the rack and the gear, the lifting type dining table can be rapidly lifted up and down, lifting operation can be completed with a single hand, convenience in use can be achieved, and the table plate and the rack are not liable to loosen.

The invention discloses a tumbler-shaped pill screening disc and an application method thereof, and belongs to the field of pill screening. According to the tumbler-shaped pill screening disc, a bidirectional positioning groove and a balance supporting plate are arranged, so that the pill screening disc is in different states; in an inclined state, the pill screening disc is in an unstable state,a pushing force can be manually applied to make the pill screening disc rotate, then the separation of pills with non-standard particle sizes is realized, the pills cannot be affected by mechanical force, and thus the damaged rate of the screened pills is reduced; at the moment, the balance supporting plate is matched with a vertical positioning groove body to make the pill screening disc be in astable vertical state, and then the pills with small particle sizes collected in an external storage bag can be conveniently taken out; and when the screened pills in a separation disc need to be taken out, the balance supporting plate can be matched with an inclined positioning groove body to make the tumbler-shaped pill screening disc keep balance positioning in the inclined state, and then a medicine taking door is opened to collect the dropped pills at the moment.