43results about How to "Guaranteed not to be damaged" patented technology

The invention belongs to the technical field of motor manufacturing, and particularly relates to a permanent-magnet surface-mounting magnetic steel assembly tool and an application method thereof. Thepermanent-magnet surface-mounting magnetic steel assembly tool comprises a rotor core, a plurality of magnetic steel positioning devices, a plurality of magnetic steel press blocks and a magnetic steel push device, wherein the rotor core is arranged on a rotor rack, the plurality of magnetic steel positioning devices can be detachably fixed on the rotor core, the plurality of magnetic steel pressblocks can be fixedly arranged on the rotor core, the magnetic steel push device can be matched with the rotor core to push a magnetic steel block to a magnetic steel installation region, a pluralityof magnetic steel installation grooves are formed in a peripheral surface of the rotor core, each magnetic steel installation groove is corresponding to a magnetic pole to be installed, and the magnetic pole to be installed comprises a plurality of magnetic steel blocks. According to the permanent-magnet motor surface-mounting magnetic steel assembly tool and the application method thereof, provided by the invention, no damage to a surface of the magnetic steel during the large-size permanent-magnet motor assembly process can be ensured, the magnetic steel collision force is reduced, so thatthe application performance and the lifetime of the motor are ensured, moreover, the magnetic steel assembly efficiency of an assembly person also can be improved, and the safety of an operator duringthe magnetic steel assembly process is ensured.

The invention relates to a flexible stretchable sensor, belongs to the technical field of sensors, and solves the problems that the existing flexible stretchable sensor is easy to be damaged, the detection result is inaccurate, and the circuit design is unreasonable. The flexible stretchable sensor disclosed in the invention comprises an M x N array formed by arranging M x N detecting units. Eachof the detecting units comprises a stretchable portion and a non-stretchable portion. A sensing module of each detecting unit is arranged in the non-stretchable portion, and is connected to the sensing modules of the adjacent detecting units by wires arranged on the stretchable portion. When the flexible stretchable sensor is used, a macroscopic stretching function is achieved by the stretchable portion without affecting the detecting function of the non-stretchable portion. According to the structural design of the non-stretchable portion, the electrical performance deterioration caused by stretching the sensing module can be avoided, and the value read by the sensor is stable and reliable. Moreover, the overall system structure size is small, the control circuit is simple, and the cost is low according to the array design.

The invention discloses a rotating device for welding a grounding wire by fixed connection with a barrel body. The rotating device comprises a pressing plate, a conductive copper sleeve, a conductive copper shaft, a connecting bolt, a gasket, a spring collar, a disc-shaped spring, a connecting block, a clamp body, an adjusting screw rod, a nut and a tightening bolt, wherein the pressing plate covers the conductive copper sleeve; the spring collar and the disc-shaped spring are arranged between the pressing plate and the conductive copper sleeve; the pressing plate tightly presses the disc-shaped spring and the conductive copper sleeve through the tightening bolt; one side end face of the conductive copper sleeve and one side end face of the conductive copper shaft are attached to each other tightly; the connecting bolt and the conductive copper shaft are in threaded connection; the gasket is arranged between the connecting bolt and the conductive copper shaft; the clamp body and the conductive copper shaft are fixed through the connecting block; the connecting block is arranged between the conductive copper shaft and the clamp body; the adjusting screw rod is arranged on one side of the clamp body; and the nut is positioned at the bottom end of the adjusting screw rod. By the rotating device for welding the grounding wire by fixed connection with the barrel body, the safety level during welding is increased and the welding quality is guaranteed.

The invention provides a distributed fiber strain coefficient calibration device, and the device comprises an experiment table, a hydraulic stretching mechanism and a fiber clamping tool. The hydraulic stretching mechanism comprises a sliding table and a sliding block, and the sliding table is fixed on the experiment table. The fiber clamping tool comprises a first clamping tool and a second clamping tool, wherein the first clamping tool is fixed on the sliding block, and the second sliding tool is fixed on the experiment table. The device also comprises a displacement measurement mechanism, and the displacement measurement mechanism comprises a sliding rail, a first displacement meter, a second displacement meter, a first passive sliding block, and a second passive sliding block. The sliding rail is fixed on the experiment table, and two ends of the sliding rail are respectively provided with the first displacement meter and a second displacement meter in a fixed manner. The sliding rail is provided with the first passive sliding block and a second passive sliding block. When the sliding block pulls a fiber to make movement along the sliding table, the first and second passive sliding blocks make synchronous movement with a fiber. The beneficial effects of the invention are that the device solves problems that the fiber deformation measurement is not accurate and the spatial resolution affects the Brillouin frequency shift value, and the device improves the measurement accuracy of a strain coefficient.

The invention, which belongs to the technical field of sensor preparation, relates to a preparation method of a flexible stretchable sensor so that problems that the existing flexible stretchable sensor is easy to damage, the detection result is inaccurate, and the circuit design is unreasonable can be solved. The preparation method comprises the following steps: preparing a flexible base materiallayer I; preparing an M*N detection array formed by arranging M*N sensing modules as well as a transmission wire; preparing a stretchable portion and a non-stretchable portion of a flexible stretchable sensor; and transferring the stretchable portion and the non-stretchable portion and enabling the portions to be in contact with a pre-prepared flexible base material structure to obtain a flexiblestretchable sensor. When the flexible stretchable sensor is in use, the flexible stretchable sensor realizes the macroscopic stretching function by the stretchable portion but the detecting functionof the non-stretchable portion is not affected. On the basis of the structural design of the non-stretchable portion, the electrical performance variation of the sensing module during the stretching process is avoided and thus the number reading becomes stable, reliable, and sensitive.

The invention discloses a deburring device and a deburring method for cast cylinder bodies, and aims to provide a deburring device and method which can remove fins and burrs on the cylinder bodies thoroughly and guarantee that the cylinder bodies and a floating pressure cutting module are undamaged. The deburring device comprises a rack, a mounting platform, a floating pressure cutting device mounted over the mounting platform, a first lifting device arranged on the rack and used for lifting the mounting platform and a second lifting device used for lifting the floating pressure cutting device. A clamping tool is arranged on the mounting platform. The floating pressure cutting device comprises a floating pressure cutting module. A pressure cutting hole matched with the outer contours of the cylinder bodies is arranged in the floating pressure module. The deburring method includes: mounting one cylinder body on the mounting platform, driving the cylinder body to move upwards through the first lifting device, and enabling the joint line in the middle of the cylinder body to be located over an upper port of the pressure cutting hole; then, driving floating pressure cutting device to move upwards through the second lifting device, and thoroughly removing the fins and the burrs.

The invention relates to a bilateral sealing stop valve which comprises a valve body and valve elements. The stop valve adopts the technical essentials that a throttling orifice is arranged on the longitudinal central line of the valve body, and the valve elements are arranged on the transverse central line of the valve body; the valve elements are symmetrically arranged in valve element holes at two sides of the throttling orifice; the valve element hole at the front end of a valve element sealing stop is internally provided with a sealing assembly; a positioning body and a nut are sleeved outside the valve elements at two ends of the valve element holes and fixed on the valve body through a fixing press cap; a hand wheel which is clamped by a flat key and fixed by a jam nut is sleeved outside the nut, and a valve element gear is arranged outside the nut between the hand wheel and the fixing press cap; the valve body is connected with a bearing block through a bolt, and the bearing block is internally provided with a slide bearing; a transmission shaft is fixed on the bearing block through the slide bearing; and two ends of the transmission shaft are provided with a transmission shaft gear engaged with the valve element gear. The invention has the advantages of flexible and compact structure, exact and accurate sealing, good sealing quality and low manufacturing cost and is an important improvement for the safety performance of a float type liquid level metering system of a pressure container.

The invention discloses a spinning wheel type automatic scutcher, comprising a spinning wheel body, a manipulator that is a crocodile type canine teeth shaped adjustable self-locking type clamp, a pressing-peeling type cutter, a hemp throwing and laying mechanism, stroke electric appliances, an electromagnetic braking, guide rail striking channels, a tappet, a power transmitting means, and a feeding bench. The spinning wheel body acts as an assembled carrier, processing multifunction of transmitting, guiding and automatic controlling the crocodile type canine teeth shaped adjustable self-locking type clamp and the cutter, automatic cooperating the hemp throwing and laying mechanism, accomplishing the automatic controlling function during transmitting, pulling, guiding and laying, making the hemp body interlayer slip under the action of frictional force, strip off easily, and separate the fiber, cuticle and juice of hemp clearly. The invention has advantages of high efficiency, high output quantity, high automation, good quality of hemp fiber, short time for degumming, less drug consumed, simple operation and low energy consumption.

The invention discloses a multipurpose cleaning machine, namely a machine capable of cleaning a variety of objects. The multipurpose cleaning machine consists of a cleaning barrel, a resistance fence, a layering net, a water wheel and a motor. By the multipurpose cleaning machine, a substance (such as water) used for cleaning an object to be cleaned contacts with the object to be cleaned, and a speed difference is generated between the substance (such as water) used for cleaning the object to be cleaned and the object to be cleaned, so that the object to be cleaned is impacted and then the object to be cleaned is cleaned. For stains which are difficult to be cleaned on objects such as a bowl and the like, a certain number of small objects (such as plastic balls of which the diameter is around 1 centimeter) can be added into the cleaning barrel to move together with the substance (such as water) used for cleaning the object to be cleaned, and dash against the surface of the object to be cleaned or rub against the surface of the object to be cleaned so that the object to be cleaned is cleaned.

The invention relates to the field of semiconductor packaging, and discloses a chip welding structure and a welding method. The chip welding structure comprises a substrate, a first chip, a first goldwelding spot and a first copper connecting wire, wherein the first chip is arranged on the substrate, the first gold welding spot is arranged on the first chip, and the two ends of the first copper connecting wire are connected with the first chip and the substrate respectively. According to the chip welding structure, a gold welding spot is formed on the chip by using a gold wire made of a softmaterial, impact force on the chip is small, and the internal structure of the chip is not easy to damage; a copper wire is adopted to form the first copper connecting wire, the two ends of the firstcopper connecting wire are connected with the gold welding spot and the substrate respectively, so that the chip and the substrate are electrically communicated; and due to buffering of the gold welding spot, impact force on the chip during copper wire welding is effectively reduced, it is guaranteed that the chip structure is not damaged, and meanwhile, the production cost during chip packaging is reduced.

The invention provides a contact arm of a voltage transformer handcart, which is characterized in that the contact arm comprises a contact arm base, an insulating contact arm body, a fuse and a contact arm head; wherein the fuse is arrange din the insulating contact arm body; and the contact arm base, the fuse and the contact arm head are successively conducted. According to the contact arm of the voltage transformer handcart according to the invention, the fuse is mounted in the insulating contact arm body, thereby saving a manufacture space, and enabling direct mounting in the voltage transformer cart without restriction by the product space. Simultaneously the contact arm of the voltage transformer handcart performs a function of protecting the voltage transformer.

The invention relates to the technical field of space flight and aviation, and discloses spraying equipment for aeronautical parts. The spraying equipment comprises a spraying box, wherein the bottomof the side face of the spraying box is fixedly connected with the top of a base through supporting rods, a movable cover is fixedly mounted at one side of the top of the spraying box, one side of thetop of the movable cover is movably connected with the other side of the top of the spraying box through a fixing device, the side face of an inner cavity of the spraying box is fixedly connected with one side of a heating plate through connecting blocks, a power line is fixedly connected to the top of the heating plate, and the top of the inner cavity of the spraying box is fixedly connected with the side face of a conveying pipe through connecting rods. According to the spraying equipment for the aeronautical parts, through cooperation of a rotating rod, a motor, a clamping block, a fixture, an adjusting rod and a movable rod, the parts can be driven by the rotating rod to rotate in the spraying process, so that the surfaces of the parts are subjected to uniform spraying, the working intensity of operators is lowered, the spraying speed is increased, and the working efficiency of part spraying is improved.

The invention provides a gearbox control method and system, and a vehicle, and belongs to the field of vehicles. The control method comprises the steps of collecting the current rotation direction information of the vehicle and the current gear information of a gearbox, wherein the rotation direction information comprises one or more of rotation direction information of wheels, rotation direction information of a pump wheel and rotation direction information of a turbine; determining the current actual speed ratio of a hydraulic torque converter according to the rotation direction information and the gear information, wherein the actual speed ratio comprises a positive speed ratio and a negative speed ratio; determining a torque amplification coefficient corresponding to the actual speed ratio according to the actual speed ratio; calculating a target output torque upper limit value of an engine according to a torque amplification coefficient and a current input torque upper limit value of the gearbox; and controlling the output torque of the engine not to exceed the upper limit value of the target output torque. According to the control method, the control system and the vehicle, the hardware durability of the gearbox under all working conditions can be ensured.

The present invention provides a press mounting art of moving wheel to side brake disk of gear case; the semi-transition nylon is coated on the shaft body of the gear case which is preinstalled with a brake disk and then arranged and fastened on the rotary bracket, and the shaft center is adjusted to the same level with the center of the press machine; the position nylon with reticle is arranged and fastened on the shaft diameter; a transition device is arranged at the shaft end and then positioned at the shaft end with a position pin, one end of the line set rule is closed to the face of brake disk, while the other end is placed on the position nylon with reticle; when in the press mounting, the press machine supplies press to the ball press steel which then transmits the press to the transition press steel, the press finally reaches the shaft end; when the end face of line set rule is rightly engaged with the reticle on the position nylon, the press mounting procedure is completed. Under the condition of equal cost, the present invention applies the prior common wheel to fulfill the press mounting of the press machine, thereby assuring the efficiency of press mounting and the pass rate is 100 percent after press mounting.

The invention discloses a feeding and discharging system for intelligent machining of a copper bar. The feeding and discharging system comprises a copper bar skip car, a truss manipulator body, a vacuum suction cup system and a control device. The copper bar skip car comprises a bottom supporting leg, an x-axis transverse guide rail, a skip car supporting plate and a cross beam stock bin, the bottom supporting leg stably supports the trolley, the x-axis transverse guide rail is erected on the bottom supporting leg, and the skip car supporting plate is erected on the x-axis transverse guide rail and can slide on the x-axis transverse guide rail under the driving of external force; the vacuum suction cup system comprises a fan, a vertical connecting rod, a suction cup, a valve set and a gripper assembly used for preventing a copper bar from falling off. The fan is erected on the longitudinal moving beam and connected with the longitudinal air cylinder through an air pipe. The suction cup is connected with the longitudinal air cylinder through a vertical connecting rod. The control device is used for controlling the action of the copper bar skip car, the truss manipulator body and the action part of the vacuum chuck system; automatic feeding and discharging can be achieved, the copper bars are not damaged, fall or lost, the identity of the copper bars can be traced in the whole process, and safety is high.

The invention relates to equipment and a method for protecting and cleaning a superplastic diffusion surface of a hollow titanium alloy wing rudder. In the equipment, the specific structures of a mounting base, a centering and clamping device, a working head clamping device and a mobile platform are designed; through flexible cooperation of the components, the efficiency of spraying a protective coating before forming of the superplastic diffusion surface of the hollow titanium alloy wing rudder and the efficiency of removing a pollution layer after forming of the superplastic diffusion surface of the hollow titanium alloy wing rudder are improved.

The invention provides an intelligent trash removing protection device for a submersible pump. A rotatable threaded conveying shaft is tightly attached and fixed along the outer wall of a cylindricalstructure body, and a trash removing brush capable of moving along the outer wall is arranged. The structures of the outer wall of the cylindrical structure body, the threaded conveying shaft and thetrash removing brush in the axial direction of the cylindrical structure body are consistent. Sludge at a water inlet of the submersible pump can be effectively cleaned away, smooth water inflow of the submersible pump is guaranteed, and therefore it is guaranteed that a water pump impeller is not damaged; the working principle is clear, the structure is simple, and maintenance and popularizationare easy; and automation and intelligence are facilitated.

The invention discloses a fruit container with a control device and belongs to the field of agricultural mechanical tools. The fruit container comprises a hollow upright, blades and a collection dishpositioned inside the hollow upright and further comprises a rotating sleeve rotatably connected with the hollow upright, an upper collection port is arranged at the upper end of the hollow upright, afirst rotating shaft and a second rotating shaft are rotatably connected on the hollow upright, the first rotating shaft is fixedly connected with the blades, a first gear is fixedly connected on thefirst rotating shaft, two ends of a third rotating shaft are fixedly connected with a third gear and a fourth gear respectively, the first gear and the fourth gear are meshed, and gear teeth meshed with the fourth gear are arranged on the inner wall of the rotating sleeve. The fruit container can effectively prevent fruits from falling when the fruits at high positions are picked, so that the fruits are ensured not to be damaged, taste and appearance of the fruits are ensured, and convenience is brought to collection and storage of the fruits.