35results about How to "Change gap size" patented technology

The invention discloses a mechanical claw disc for a tire. The mechanical claw disc comprises a groove plate and telescopic arms, the groove plate is annular, and a plurality of arc grooves are formedin the groove plate in a ring array manner. The telescopic arms form a ring array, and only have the movable freedom degree in the length direction, the telescopic arms are connected with roller pins, and the roller pins are matched with the arc grooves. When the groove plate rotates around the circle center of itself, the roller pins and the arc grooves relatively move, and the telescopic arms are pushed to stretch out and draw back in the radial direction of the groove plate to clamp or loosen the tire. The upper portion of the groove plate is connected with an annular supporting ring, andthe supporting ring is fixed to a connecting frame. A claw sheet is arranged at the joint of each telescopic arm and the tire, the claw sheets are provided with vertical claws and inclined claws, an obtuse included angle is formed by the vertical claws and the inclined claws, and claw hooks are arranged at the lower ends of the vertical claws. By means of the mechanical claw disc, the rotating motion of a mechanical is converted into radial translation motion of the claw sheets, the structure is simple and reliable, and the action is precise; and the acting force is strong, the tire is clampedor loosened from the inner ring of the tire, and the tire surface of the tire is prevented from being damaged.

The invention discloses a dust suppression device for atmospheric dust pollution control with a reciprocatingly swinging spray end, comprising a device body, a handle, an electric telescopic rod, a spray bucket and a water pump. The left end of the device body is fixedly installed with the handle, and An electric telescopic rod is fixedly installed inside the device body, a one-way flow valve is fixedly installed on the sewage pipe, a vertical rod is installed on the inner side of the extrusion block, and a water delivery pipe is installed under the left end of the spray barrel, and The end of the water delivery pipe is fixedly installed on the side of the water pump, the lower end of the positioning gear ring is installed with a fixed tooth plate, and the lower end side of the fixed tooth plate is fixedly installed on the upper end of the device body. The dust suppression equipment for the control of atmospheric dust pollution with the spray tip oscillating reciprocally can improve the overall spray range during the process of spray dust reduction, increase the work efficiency in the control of atmospheric dust, and at the same time, in the process of spray dust reduction Dust on the ground is well absorbed and dusted.

The invention relates to ultrafast diagnostic technology, in particular to a full terahertz-driven electron beam manipulation and characterization system and method to solve the problems of low time resolution, complex structure and poor stability in existing streak cameras. The technical solution adopted in the present invention is: the full terahertz-driven electron beam manipulation and characterization system includes a femtosecond laser, an ultraviolet laser pulse generator, a first reflector, a beam splitter, a single-cycle terahertz generator, and a second reflector , multi-period terahertz generating device, camera, vacuum chamber, and a DC acceleration system arranged in sequence along the optical path in the vacuum chamber, an off-axis parabolic mirror with holes, a terahertz electron beam steering system, a terahertz deflection system and a fluorescent screen; The invention also provides a fully terahertz-driven electron beam manipulation and characterization method.

The invention relates to the technical field of heat dissipation of electronic equipment, and discloses a flow regulating device and a liquid cooling cabinet. The flow regulating device includes: a partition, which is used to be arranged at the bottom of the cabinet of the liquid-cooled cabinet, and is provided with a plurality of openings passing through its thickness; a sealing head, corresponding to the openings one by one, including a first end oppositely arranged and the second end, and along the direction from the first end to the second end, the cross-sectional area of ​​the plugging head gradually increases; the adjustment mechanism corresponds to the plugging head one by one, and is used to adjust the depth of the plugging head extending into the opening. In the above embodiment, the partition divides the space inside the cabinet into two parts, the upper and lower parts, and the coolant can only enter the upper space through the openings on the partition. The coolant flow rate inside each electronic device has the advantages of simple structure, strong adaptability, and convenient adjustment.

The invention discloses a cutting and screening device for fiber products and a cutting and screening method for the fiber products. The cutting and screening device for the fiber products mainly comprises a first conveying unit, a second conveying unit and a cutter, wherein the first conveying unit comprises a first movable wheel set, and the second conveying unit comprises a second movable wheel set. A gap is reserved between the first movable wheel set and the second movable wheel set, the fiber products on the gap are cut by the cutter, and a top and a tail can be generated when the fiber products are cut by the cutter. During screening, the second movable wheel set is far away from the first movable wheel set to screen tops, and the first movable wheel set is far away from the second movable wheel set to screen tails, so that the cutting and screening efficiency of the fiber products is improved.

An ultra-wideband filter with multiple notch frequencies belongs to the technical field of electric appliances. It consists of a microstrip dielectric substrate, a 7th-order bandpass filter, and eight arrow-shaped resonators; the thickness of the microstrip dielectric substrate is 0.5mm, and the dielectric constant is 3.48. The 7th-order bandpass filter is the first input / output The port is connected with the first unit element at the back, the first unit element is followed by the second unit element, the second unit element is followed by the third unit element, and the third unit element is connected with the second input / output port; the first short circuit The branch is connected between the first input / output port and the first unit element, the three form a T-shaped structure, and the first short-circuit branch is grounded through the first via hole. The invention can separate the ultra-wideband filter design from the notch characteristic design, and the introduction of the notch resonator does not require any changes to the structural parameters of the original filter, and basically does not affect the performance of the original filter.

The present invention provides a wire bonding apparatus, capable of preventing FAB from oxidation and implementing stabilization of FAB in formation of FAB in a noble gas, and easily setting a discharging gap of a capillary pipe and a sparkle pole by a position adjusting mechanism and a size of a space of the noble gas. The apparatus includes: a pair of exhaust pipes (11, 20), which opening parts(13, 21) facing to each other spacing a front end of the capillary pipe (3) and having notching parts (13a, 21a) through which the front end of the capillary pipe can pass, the exhaust pipes are usedfor discharging the noble gas to the notching parts; the sparkle pole (5) configured to perform spark discharge to a wire from the capillary pipe in the exhaust pipes to form a ball; and a position adjusting unit for changing a distance between opening parts of the exhaust pipes to change a size of a space between the opening parts of the exhaust pipes, so as to change the size of the space of the noble gas.

The invention discloses a full-automatic pulverized coal flow speed adjusting valve installed on a powder conveying pipeline of a powder manufacturing system. The full-automatic pulverized coal flow speed adjusting valve comprises a valve body and a valve element arranged in the valve body. The valve element comprises an upper semi-body, a lower semi-body, a drive device and a detection device, wherein the upper semi-body is of a sleeve shape with the upper end closed, the outer wall of the upper semi-body is fixed to the inner wall of the valve body through a plurality of supports arranged in the circumferential direction, the upper end of the lower semi-body is fixedly provided with an outer sleeve arranged on the outer wall of the upper semi-body in a sleeved mode, the drive device is used for driving the lower semi-body to vertically move, and the detection device is used for detecting the position of the lower semi-body. The lower semi-body of the valve element vertically slides in the valve body, the flow area between the bottom face of the lower semi-body and the inner wall of the valve body changes in a gradually-contracting mode from bottom to top until the portion with the minimum throttling area is reached, and finally the effect of adjusting the resistance of the pulverized coal conveying pipeline system is achieved by changing the air flow speed of pulverized coal.

The invention discloses a multi-layer composite bearing bush sliding bearing with an oil filling chamber. The multi-layer composite bearing bush sliding bearing comprises a bearing bush, a shaft neck and a bearing base, wherein the bearing bush is a composite bearing bush which consists of an inner bearing bush and an outer bearing bush, an arc-shaped groove-shaped oil filling chamber is formed in the outer wall of the lower end of the inner bearing bush, and an inner bearing bush thin-wall part is formed between the oil filling chamber and the inner wall of the inner bearing bush; the outer bearing bush coaxially and closely sleeves the inner bearing bush, an oil filling hole communicated with the oil filling chamber is formed in the inner bearing bush, and high-pressure oil is filled into the oil filling chamber by virtue of the oil filling hole; oil inlets are formed in the upper bearing base and the composite bearing bush, the oil inlets are communicated with a wedge-shaped chamber, and common-pressure lubricating oil is injected through the oil inlets; after the lubricating oil is injected, when the shaft neck rotates, and the thin bearing bush thin-wall part is incapable of generating plastic deformation due to an oil film force generated by the lubricating oil; when an external load borne by the shaft neck is high, the bearing bush thin-wall part generates plastic deformation due to the pressure generated by the high-pressure oil, the thickness of the oil film is decreased, and the oil film damping rigidity and the critical speed of a rotor are improved.

The invention relates to a dish washing machine spraying device and a dish washing machine provided with the spraying device. The dish washing machine spraying device comprises at least one nozzle, each nozzle is provided with at least one spraying hole, a diversion device is arranged at the front end of at least one spraying hole, washing water flows out of water flow of the washing water in being sprayed in a diverged mode. Under the effect of the diversion device, the washing water flowing from the spraying hole is sprayed out in a diverged mode, the existence of a washing dead angle is effectively avoided, and therefore the washing effect of the dish washing machine is guaranteed; meanwhile, washing water pressure is maintained, and the spraying hole can be effectively prevented from being clogged.