31results about How to "Control the degree of compression" patented technology

The invention discloses a manual table tennis ball launching device, which comprises a launch tube, a ball drop hole is arranged on the top surface of the launch tube, a telescopic hose is connected to the ball drop hole, and a ball chamber for holding table tennis balls is connected to the top of the telescopic hose , There is a suspension mechanism on the ball chamber, a cylindrical bullet block is arranged in the launch tube, and an ejection spring is arranged in the ejection tube behind the bullet block. One end of the ejection spring is connected with the rear wall of the ejection tube, and the other end is connected with the bullet block Connected, the center of the rear wall of the catapult is provided with a drawstring hole, the center of the projectile is connected with a drawstring, the tail end of the drawstring passes through the drawstring hole and is connected with a draw ring, and the bottom of the launch tube is fixed There is a ball hinge, a hinge seat is provided below the ball hinge, an upper support rod is fixed below the hinge seat, and a U-shaped card seat is fixed at the bottom of the upper support rod inserted into the lower support rod in the lower support rod. The beneficial effects obtained by the invention are: (1) the structure is simple; (2) the serving speed and the serving frequency are improved.

The invention discloses a lifting rod component, which is connected with a support arm. The lifting rod component comprises a body unit, a lifting rod and a friction plate, wherein the body unit is provided with a through sleeve joint hole and a connecting hole passing through the inside and the outside of the sleeve joint hole; the sleeve joint hole is sleeved outside the support arm; the upper end part of the lifting rod is threaded in the connecting hole of the body unit; the friction plate is arranged on the upper end part of the elevating rod and matched with the support arm; and the compression degree between the friction plate and the support arm can be controlled according to the threaded screwing degree between the lifting rod and the connecting hole of the body unit. The lifting rod component has the advantages that: the compression degree between the friction plate and the support arm can be controlled according to the threaded screwing degree between the lifting rod and the connecting hole of the body unit; locking connection between the lifting rod component and the support arm is controlled; and the lifting rod component has a simple structure and high practicability, is convenient to assemble, and can be directly applied to the conventional American support arm.

The invention discloses a synchronous assembly and disassembly device for rotating and static ring components of a stern shaft sealing device. The synchronous assembly and disassembly device comprisesa threaded bushing, a support, lug rings, a screw, a pin and a gasket, and peripheral equipment comprises a rotating ring component, a static ring component, an end cap and a main shaft, wherein thesupport is formed in the way that two semi-rings are gathered and then fixed to the main shaft; the threaded bushing is axially limited by the lug rings; the screw is in threaded match with the innerhole of the threaded bushing; the lug rings are in threaded connection with the screw and the rotating ring component; a spring is mounted between the static ring component and the end cap; the pins sequentially penetrate the static ring component and the end cap; a threaded hole matched with the screw is formed in the front end of the pin; together with the threaded bushing, the screw penetratesthe gasket and then is connected with the pin; the screw is rotated to adjust the pre-tightening force between the static ring component and the end cap; and after the static ring component and the rotating ring component are in contact, the screw, the threaded bushing and the gasket are detached to finish assembly. The problem that a conventional stern shaft sealing device is difficult to mount and dismount due to pre-positioning of an electric compensation function can be solved.

The invention provides a space charge measuring device suitable for interface effect research and a measuring method thereof. The measuring device successively comprises a pulse coupling circuit cavity, a test cavity and a base from top to bottom. A pulse coupling circuit connected with an external high voltage source and a pulse source is arranged in the pulse coupling circuit cavity. The sidewall of the pulse coupling circuit cavity is provided with a hole and is connected with a normal temperature oil bath pipeline. The sidewall of the test cavity is provided with a hole and is connected with a high temperature oil bath pipeline. The measuring method comprises the steps that according to the required contact closeness between a sample and an upper electrode, a corresponding spring is taken into a spring cavity; the spring is pushed by an electrode seat; the upper electrode required for a test is arranged on an upper electrode seat; the sample is placed at the center of the upper surface of a lower electrode, so that the upper electrode can press the sample without gap between the upper electrode and the sample; and after a temperature sensor reaches a set value and is stabilized, space charge measuring of the sample at that temperature is carried out. According to the invention, accurate measurement of space charge injection characteristics under different electrode surfaceconditions is realized.

The invention relates to a fish feeding device for small fishes. The lower end of a charge pipe is fixedly connected with a taper rotating disc, the upper end of the charge pipe is vertically arranged in a support in a hanging mode through a shaft sleeve, a hopper is arranged at the upper end of the support, the hopper, the taper rotating disc and the interior of the charge pipe are communicated, the charge pipe is provided with a first gear, a second gear matched with the first gear is installed on a first motor, the first motor is vertically arranged in the support in a hanging mode, a roller is arranged on the inner wall of the taper rotating disc, the bottom wall of the support is provided with an opening, a hinge pin is arranged on the inner wall of the lower end of the support, a taper rubbing disc matched with the roller is installed at the upper end of the hinge pin, and the taper rubbing disc is provided with clearance holes. According to the fish feeding device, by means of the action of the roller and the taper rubbing disc, granulated fish feed is ground into powder, and the small fishes can eat the feed conveniently; meanwhile, the scattering area of the feed can be increased, the fishes have enough space to eat, and the device is simple in structure and convenient to operate.

The invention discloses a combination device of an atomic force microscope probe and a base, wherein a step hole is formed in the surface, opposite to a needle point, of a micro-cantilever of the probe; a probe base comprises an adsorption part and a positioning part, wherein the adsorption part comprises a vacuum adsorption groove and an adsorption surface; the positioning part extends out of theadsorption surface and is inserted into the step hole and is rotated to abut against the stepped surface of the step hole; the positioning part comprises a rotating rod and a rotating strip which areconnected with each other, and an elastic assembly is arranged on the upper surface of the rotating strip; a fine adjustment structure is connected with the rotating rod and a fine adjustment nut through a connecting rod; and the fine adjustment nut controls the fine adjustment structure to drive the positioning part to move. According to the device, the needle replacing efficiency can be improved, the needle falling off and dislocation are avoided, a fixed acting force can be exerted on the tail end of the probe micro-cantilever, the sensitivity of the probe micro-cantilever is promoted, andthe testing effect is improved.

The invention discloses a toothpaste squeezer which comprises a toothpaste squeezing adsorber and a squeezing device. The toothpaste squeezing adsorber is internally provided with a cavity. The toothpaste squeezing adsorber is provided with a toothpaste inlet and a toothpaste outlet. The toothpaste inlet and the toothpaste outlet both communicate with the cavity. The squeezing device can make contact with the toothpaste squeezing adsorber and can squeeze the toothpaste squeezing adsorber. The toothpaste squeezing adsorber can suck in toothpaste through the toothpaste inlet and discharge toothpaste through the toothpaste outlet. The toothpaste can be discharged automatically, the toothpaste discharging amount can be controlled, and use is convenient.

The invention discloses an auxiliary device for preparing a thin film electrode, which comprises a chassis. The chassis is provided with a supporting end face for supporting a mask plate and a substrate which are overlaid up and down; a pressing mechanism for applying a pressing force for pressing toward the substrate to the mask plate is also arranged on the chassis; and the pressing mechanism comprises a pressure clamp for being pressed on the mask plate and a position control screw which is screwed into the chassis by screw threads after passing downward through the pressing clamp so as to fixedly connect the pressing plate and the chassis. The mask plate can be tightly pressed by the pressing clamp by screwing the position control screw so as to control the pressing degree of the mask plate and the substrate and ensure the mask plate to be sufficiently and tightly contacted with the substrate, thereby avoiding the phenomena of bonding of electrode points and nonuniform thickness of the thin film electrode in the preparation process of the thin film electrode and providing powerful guarantee for preparing the high-quality thin film electrode.

The invention relates to a garbage can, in particular to the ward garbage can with a compression function, and belongs to the technical field of environmental protection devices. The ward garbage cancomprises a fixing seat, a pressing head, a tray, a bending shaft, a lower pressing plate, an outer can, a supporting seat, an inner can, a first supporting frame, a horizontal sliding way, a connecting shaft, a rotating disc, a second supporting frame, a pressing rod, a square sliding block and the like; and the pressing head is inserted into the fixing seat, the tray is buckled at the lower endof the fixing seat, the lower end of the outer can is inserted into the supporting seat, the bending shaft penetrates through the outer can and the second supporting frame to be fixedly connected withthe rotating disc, one end of the connecting shaft is fixedly connected with the rotating disc, the other end of the connecting shaft is connected with the square sliding block in a rotatable mode, the upper end of the pressing rod is fixedly connected with the horizontal sliding way, the lower end of the pressing rod penetrates through the first supporting frame to be fixedly connected with theupper end surface of the lower pressing plate, and the lower end of the inner can is inserted into the supporting seat and is in interference fit with the supporting seat. The ward garbage can has thebeneficial effects that the basic requirements of collecting garbage can be met, and moreover, the ward garbage can also has the functions of being convenient to move and capable of compressing the garbage and bending toothpicks.

The invention provides Chinese herbal medicine cleaning equipment. The Chinese herbal medicine cleaning equipment comprises a cleaning bucket provided with a cleaning cavity. The Chinese herbal medicine cleaning equipment is characterized in that a driving device is fixedly mounted in the cleaning cavity and provided with a suspension device; the suspension device is fixedly connected to the driving device through an adjustment device; the upper end of the adjustment device is provided with a top plate device; the top plate device is movably connected with a spray device; the spray device is fixedly mounted in a mounting bin arranged on the inner wall of the cleaning bucket; the lower end of the cleaning cavity is further provided with a water outlet groove; and a water outlet pipe is arranged at one side of the water outlet groove and provide with a plugging block. According to the Chinese herbal medicine cleaning equipment, the suspension device is driven by the driving device to rotate; and in the rotating process, the suspension device drives the top plate device to extrude the spray device, water flow is driven to move, so that the medicinal material cleaning effect is better.

The invention relates to the technical field of financial self-service equipment, in particular to a cash depositing and withdrawing mechanism of financial self-service equipment, which comprises a depositing and withdrawing assembly, a conveying assembly and a synchronous limiting assembly, the depositing and withdrawing assembly comprises a placing box, mounting plates are fixedly mounted on two sides of the placing box, and centering electric rods are fixedly connected in the two mounting plates. A placing box in the access assembly is used for placing paper money, the paper money is placed on a paper money placing plate, centering operation during paper money placing is achieved through centering electric rods which synchronously move in a mounting plate, centering after paper money placing can be guaranteed, centering conveying of the paper money on a conveying belt can be guaranteed, a transverse moving motor is started, and the paper money placing plate is transversely moved; and meanwhile, the two sides of the upper end of the conveying belt are provided with the synchronous conveying belts which move synchronously, the two sides of the paper money can be in contact and limited, centering conveying of the paper money is guaranteed, and the paper money clamping phenomenon in the conveying process is avoided.

The invention provides an image real boundary high-precision extraction method and system, and the method comprises the steps: converting an original image into a binary image, and carrying out the boundary extension; utilizing a Suzuki contour tracking detection algorithm to obtain a pixel center of one pixel in an outermost boundary contour line in the binary image after edge expansion; settinga corresponding coordinate offset, and obtaining pixel coordinates of the outermost boundary pixel point on the unexpanded binary image; traversing all boundary pixel points, judging the 8 neighborhood position relationship between the next boundary pixel point and the current boundary pixel point one by one, and adding a true boundary vertex to generate a true boundary vertex set without pixel difference; removing repeated boundary vertexes to obtain a non-redundant true boundary vertex set; judging the continuity of the true boundary vertex set to obtain a non-redundant and continuous true boundary vertex set; when the image boundary is selected to be compressed, compressing and storing the boundary vertex set. The defects of Suzuki contour tracking detection can be overcome, so that thereal and complete outermost boundary of the image can be obtained.

The invention relates to a mechanical rope throwing device. The mechanical rope throwing device mainly solves the problems that three-level launching is adopted in the prior art, the energy storage difference of a launching box of each level is large before launching, precision is poor, and in addition, the assembling work difficulty is high. The mechanical rope throwing device comprises a shell,and a launching device, an energy storage device and a clutch device are arranged on the shell. A launching channel is arranged in the shell, and the launching device is arranged at the inner end of the launching channel. A launching body is arranged at the position, located in the launching channel, on the shell and is located at the output end of the launching device. The input end of the launching device is connected with the output end of the energy storage device. The input end of the energy storage device is connected with the output end of the clutch device. The input end of the clutchdevice is provided with a driving device. The shell is provided with a locking device used for fastening a launching body in the launching channel.

An auxiliary device for calibrating a dynamic torque assembly tool and a method of using same are disclosed. The auxiliary device comprises a guide frame, a standard dynamic torque sensor, a test nut, a base, a sub adapter connector, a main support frame, a main adapter connector and a radial thrust bearing, wherein the guide frame, the main support frame and the base are connected from the top to the bottom, the radial thrust bearing is mounted on the guide frame, the test nut is installed at the bottom of the main support frame, the main adapter connector connects the standard dynamic torque sensor with a dynamic torque assembly tool to be calibrated, and the sub adapter connector connects the standard dynamic torque sensor with the test nut. Parallelism among the upper and lower end faces of the guide frame, the upper and lower end faces of the main support frame and the upper surface of the base is ensured, and the coaxiality between the radial thrust bearing and the test nut is also ensured. According to the method provided by the invention, the actual working condition can be simulated, so that the calibration condition and the using condition of the dynamic torque assembly tool are consistent, and the calibrated value can be well reproduced to achieve the accurate transmission of the value.

The invention relates to a compressor, in particular to an energy-saving and environment-friendly type mechanical steam compressor. The energy-saving and environment-friendly type mechanical steam compressor comprises a compressing supporting frame, a compressing mechanism, a power mechanism, two extruding mechanisms, two unidirectional mechanisms and a discharging mechanism. Two compressing threaded rods are threaded in the opposite direction, and two compressing plates are driven to close to oppositely or keep away from each other when the two compressing threaded rods rotate, when the two compressing plates close to oppositely, steam in a compressing cylinder I is extruded, and then when the power mechanism begins to work, two pushing wheels arranged on the power mechanism correspondingly push the two extruding mechanisms to slide in two compressing cylinders II under the action of a compressing spring II, and the steam is continuously injected into the compressing cylinder I through the two unidirectional mechanisms opposite to the two extruding mechanisms, so that the steam in the compressing cylinder I is further compressed, and by controlling power transmission of a compressing motor and a power motor, compressed degrees of the stream is further controlled.

The invention relates to a full-automatic cloth paving machine, and relates to the technical field of cloth production, the full-automatic cloth paving machine comprises a placing frame and a cloth paving machine body arranged on the placing frame, a first conveying belt used for conveying cloth is arranged on the placing frame, and a cutting device used for cutting the cloth is arranged on one side of the placing frame; the cutting device is located on the side, provided with the first conveying belt, in the containing frame, and an adjusting device used for adjusting the cloth paving tightness degree is arranged on the cloth paving machine body. The device has the effect of improving the alignment rate of the tiled cloth.

The invention discloses a sand valve and a sand blasting and rust removal system, and relates to the technical field of mechanical design. When an elastic assembly (03) of the sand valve is in a natural state, a blocking piece (02) can make contact with a target sand opening and blocks the target sand opening; and when an adjusting piece (07) rotates a rotary shaft (05) through a connecting rod (06), the rotary shaft (05) can drive a pressure head (04) to compress the elastic assembly (03) to enable the blocking piece (02) to be separated from the target sand opening. According to the sand valve provided by the embodiment of the invention, the telescopic state of the elastic assembly (03) can be controlled through rotation of the rotary shaft (05), the distance between the blocking piece (02) and the target sand opening is controlled, and thus the sand supplying amount of the sand valve can be adjusted; and the sand supplying amount does not need to be adjusted by rotating a manual wheel, the problem that the sand supplying amount is difficult to adjust due to sand blocking can be avoided, the adjusting efficiency of the sand supplying amount of the sand valve provided by the invention is high, using flexibility is high, and operation is easy.