48results about How to "Same technical effect" patented technology

The invention discloses a handle device capable of preventing unlocking from a cat eye and a door lock. The handle device comprises a handle provided with a pressure sensor for detecting a pressing force, a handle linkage member connected to the handle and acting along with movement of the handle, and a clutch mechanism, wherein a clutch end of the clutch mechanism is in clutch limiting fit with the handle linkage member, and a drive controller of the clutch mechanism is connected to the pressure sensor. When the pressure sensor detects the pressing force on the handle, the drive controller receives a pressure signals transmitted by the pressure sensor, and controls the clutch mechanism to act, so that the clutch end and the handle linkage member are deviated from limiting fit, and the handle is allowed to perform an unlocking motion; and after the handle is reset to a locked position, the drive controller controls the clutch end to reset to a position in limiting fit with the handle linkage member. The handle device can perform an unlocking action only needing to be held in a hand; and after the hand releases, the action of the handle is automatically limited, so that the safety is improved, and meanwhile, unlocking is convenient and fast.

The invention relates to a sweeping vehicle and a disc brush device thereof and aims to solve that problems that in the prior art, melted water of a snow melting car remains on the road surface to cause secondary freezing, and then traffic safety is affected. The sweeping vehicle comprises a vehicle body and the disc brush device on the bottom of the vehicle body, wherein the disc brush device comprises a mixed disc brush, and the mixed disc brush comprises an installation plate, soft bristle units and hard bristle units. The soft bristle units and the hard bristle units are alternatively installed on the bottom face of the installation plate, each soft bristle unit comprises at least one bunch of soft bristles, and each hard bristle unit comprises at least one bunch of hard bristles. Thesoft bristles are used for clearing away water and floating dust, and the hard bristles are used for clearing away road garbage and broken ice. The sweeping vehicle with the disc brush device followsthe snow melting car by a certain distance for combined operation, snow water remaining on the road surface when the snow melting car works can be cleared away, the garbage and the broken ice on the road surface can be cleared away, it is ensured that the road surface is clean, no accumulated water remains, and the situation that secondary freezing is generated to affect the traffic safety is avoided.

The invention relates to the technical field of neodymium-iron-boron production equipment, in particular to a bucket mouth structure for a neodymium-iron-boron storage bucket. The bucket mouth structure for the neodymium-iron-boron storage bucket comprises a bucket mouth part which is arranged on a bucket body. A positioning structure is arranged at the open end of the bucket mouth part. A sealing gasket is arranged in the position of the positioning structure. The sealing gasket comprises an outer rubber ring and an inner rubber ring, wherein the outer rubber ring and the inner rubber ring are arranged concentrically and connected into a whole through at least two connecting pipes which are evenly distributed in the circumferential direction. The positioning structure comprises a containing groove used for containing the outer rubber ring, containing gaps used for containing the connecting pipes in a one-to-one correspondence mode, and a containing table used for containing the inner rubber ring. A pressing ring used for tightly pressing the sealing gasket is arranged in the position of the containing groove. Pressing pieces are arranged in the positions, corresponding to all the containing gaps, of the pressing ring respectively. The bucket mouth part further comprises a connecting part. A fastening ring is connected to the outer side of the connecting part in a threaded mode. Ejector rods are arranged in the positions, corresponding to all the containing gaps, of the fastening ring respectively. By the adoption of the bucket mouth structure for the neodymium-iron-boron storage bucket, neodymium-iron-boron materials can be received quite excellently.

The invention relates to the technical field of NdFeB production equipment, in particular to a pneumatic type sealing gasket. The pneumatic type sealing gasket comprises an outer rubber ring and an inner rubber ring arranged concentrically, wherein the outer rubber ring and the inner rubber ring are connected into a whole through at least two connecting pipes evenly distributed in the peripheral direction; the inside of the outer rubber ring is hollow to form an annular air storage cavity; the inside of the inner rubber ring is hollow to form an annular air collecting cavity; an air runner used for communicating the air storage cavity with the air collecting cavity is formed in the middle of any connecting pipe. The pneumatic type sealing gasket is easy and convenient to use and capable of achieving good sealing performance.

The invention provides an integral type air conditioner. The integral type air conditioner comprises an air conditioner shell body, a horizontal type compressor and at least two fixing supports, wherein the horizontal type compressor is fixedly arranged inside the air conditioner shell body, the fixing supports are arranged on a bottom plate of the air conditioner shell body, two of the fixing supports are correspondingly arranged at the two ends of the horizontal type compressor so as to fix the horizontal type compressor. According to the technical scheme of the integral type air conditioner, the fixing supports are arranged at the two ends of the horizontal type compressor, so that the horizontal size of a part of the horizontal type compressor part is small, then the length of the whole air conditioner in the horizontal direction of the horizontal type compressor is reduced, and the miniaturization design is facilitated.

The invention discloses a gas mixing device and a gas mixing method. The gas mixing device comprises a gas guide pipe used for connecting a gas outlet and a gas inlet of a switch equipment gas chamberstructure, wherein the switch equipment gas chamber structure is provided with a plurality of gas ports, and the plurality of gas ports comprise the gas outlet and the gas inlet; a pump arranged on the gas guide pipe and used for driving gas in the gas guide pipe to flow towards the gas outlet end of the gas guide pipe along the gas inlet end of the gas guide pipe, wherein the gas inlet end of the gas guide pipe is a connecting end for connecting the gas guide pipe with the gas outlet, and the gas outlet end of the gas guide pipe is a connecting end for connecting the gas guide pipe with thegas inlet; a joint group arranged on the gas guide pipe and used for inflating and deflating the switch equipment gas chamber structure through the gas guide pipe; and a gas component sensor arrangedon the gas guide pipe and used for detecting all gas components of the mixed gas in the gas guide pipe. The gas mixing device provided by the invention effectively ensures the mixing effect.

The invention relates to the technical field of sand pumps, in particular to a service life prediction method and device for a sand pump of a fracturing blender truck. The service life prediction method for the sand pump of the fracturing blender truck comprises: inputting real-time working condition data of the sand pump into a preset sand pump PWM value prediction model, and obtaining a real-time prediction PWM value of the sand pump; obtaining indexes of the sand pump according to the real-time predicted PWM value of the sand pump; and determining the service life of the sand pump according to the indexes of the sand pump. By inputting the real-time working condition data of the sand pump into the PWM value prediction model, the real-time prediction PWM value of the sand pump is obtained, and the obtaining process of the real-time prediction PWM value of the sand pump is simplified. An index of the sand pump is calculated according to the real-time predicted PWM value of the sand pump, and the service life of the sand pump is determined according to the index of the sand pump. Therefore, in the operation process of the fracturing blender truck, the working condition data of the sand pump are detected in real time, the service life of the sand pump can be accurately determined, and constructors can arrange work conveniently and complete operation on time conveniently.

The invention relates to the technical field of NdFeB production equipment, in particular to a method for manufacturing a pneumatic sealing gasket. It comprises the following steps: (1) preparing the first rubber raw material; (2) preparing the second rubber raw material; (3) preparing the outer rubber ring by using the first rubber raw material; (4) preparing the inner rubber ring by using the second rubber raw material; 5) Using the second rubber raw material to prepare the connecting pipe; (6) Assembling. The method of the invention can prepare a sealing gasket with excellent airtight performance and service life.

The invention provides a central rotary joint, a pipe winder and continuous pipe operation equipment. The central rotary joint comprises a mandrel and a rotor. The mandrel comprises a sleeving part and a mounting part formed at one end of the sleeving part, one side of the mounting part is provided with a mounting surface, and a plurality of first liquid ports are formed in the mounting surface. Second liquid ports in one-to-one correspondence with the first liquid ports are formed in the rotor. A plurality of flow channels are formed on the mandrel, a plurality of ring cavities are formed between the sleeving part and the rotor, and each first liquid port communicates with the corresponding ring cavity through the corresponding flow channel. The flow channels comprise the first flow channel, the second flow channel and the third flow channel, and the distance between the axis of at least part of the third flow channel and the axis of the second flow channel communicating with the third flow channel is larger than zero. According to the central rotary joint, the distance between the axis of at least part of the third flow channel and the axis of the second flow channel communicating with the third flow channel is larger than zero, so that the structure of the central rotary joint is more compact, and the installation requirement of all pipelines on the first liquid ports can bemet.

The invention relates to the technical field of NdFeB production equipment, in particular to a pneumatic type sealing gasket. The pneumatic type sealing gasket comprises an outer rubber ring and an inner rubber ring arranged concentrically, wherein the outer rubber ring and the inner rubber ring are connected into a whole through at least two connecting pipes evenly distributed in the peripheral direction; the inside of the outer rubber ring is hollow to form an annular air storage cavity; the inside of the inner rubber ring is hollow to form an annular air collecting cavity; an air runner used for communicating the air storage cavity with the air collecting cavity is formed in the middle of any connecting pipe. The pneumatic type sealing gasket is easy and convenient to use and capable of achieving good sealing performance.

The invention relates to the technical field of NdFeB production equipment, in particular to an interface structure for an NdFeB storage tank. It includes a barrel mouth arranged on the barrel body, the opening end of the barrel mouth is constructed with a stepped connection part, and the outer side of the connection part is threaded with a fastening ring; the connection part is provided with a gap in the axial direction, and the fastening ring is placed There is a ejector rod in the gap; the internal structure of the fastening ring has an accommodation chamber for placing the ejector rod, the inner wall of the fastening ring is provided with a telescopic opening connected with the accommodation chamber, and the ejector rod is telescopically constructed in the accommodation chamber from the telescopic opening; The side wall of the cavity opposite to the expansion port is provided with a top rail in the circumferential direction. The gap between the top rail and the expansion port gradually becomes smaller in the direction of rotation of the fastening ring. The top rail is used to follow the rotation of the fastening ring to change the diameter of the ejector rod. up position. Through the present invention, the NdFeB storage barrel can be preferably fixedly connected to the corresponding discharge port.

The invention provides a manufacturing method of a three-cake entangled reverse unit, and belongs to the technical field of transformers. During winding, 2k wires jointly wind two continuous wire cakes and an entangled wire cake located between the two continuous wire cakes, the 2k wires are wound in parallel to a specified number of turns to obtain a temporary wire cake, the 2k wires are averagely divided into two groups, namely a first group wire and a second group of wires, the first group of wires and the second group of wires are transposed in the left direction and the right direction and temporarily fixed, temporary wire cakes are scattered, wire cakes are turned between the first group of wires and the second group of wires to obtain entangled wire cakes to be fixed, and temporary fixing of the first group of wires and the second group of wires is relieved; the first continuous wire cake and the second continuous wire cake are obtained by winding the two sides of the entangled wire cake to the specified number of turns respectively, the turn number adjusting range is large, large impulse voltage can be borne, the phenomenon of breakdown short circuit is avoided, the coil structure is optimized, and the use safety is improved.

The invention discloses a heat exchange device for a motor and its shaft system, and a wind power generator set. The heat exchange device includes a flexible cavity capable of inputting a cooling medium, and the flexible cavity is located on the inner wall of the motor shaft. The flex chamber cools the motor bearings in the motor shaft. After the cooling medium is injected into the flexible cavity, a cooling environment can be established on the inner wall of the motor rotating shaft, thereby opening up heat dissipation channels for the motor bearings enclosed between the motor rotating shaft and the fixed shaft of the motor, and achieving a better cooling effect.