32results about How to "Avoid pulling away" patented technology

The invention relates to the technical field of laser advanced additive manufacturing, and discloses an additive manufacturing deformation control method for thin-wall partition plate type parts. Themethod comprises the steps that firstly, the placement mode of a part is determined, then process support is added to a thin-wall structure part in the part, the sintering shape part of each layer oflayered slice of the thin-wall structure part is closed into a triangle, importing the process model added with the process support into magics software, manufacturing by adopting an SLM (Selective Laser Melting) process additive manufacturing method, and finally carrying out post-treatment on the obtained part to obtain the product. The problems that thin-wall partition plate type parts are proneto deformation and breakage due to large stress in additive manufacturing can be effectively solved, and the success rate of additive manufacturing of thin-wall structure assemblies is greatly increased.

The invention discloses a support type infrared thermometer, which comprises a base, a limiting column, a locking mechanism, a rotating frame and a battery pack, a groove is formed in the side face of the base, the bottom of a movable plate is in threaded connection with a threaded column, the locking mechanism is fixed to the upper end face of the movable plate, and a sleeve frame is fixed to the upper end face of the base. The bearing box is fixed to the top of the voice broadcasting device, first handles are symmetrically fixed to the two sides of the sleeve frame, and the rotating frame is rotationally connected to the inner side of the support. According to the support type infrared thermometer, after the support type infrared thermometer is moved to a required place through the self-locking rolling wheels, the buckle can be manually pressed to enable the bottom of the buckle to be tilted, then the movable plate can be manually pulled outwards, the limiting column plays a role in limiting and blocking the movable plate, the movable plate is prevented from being completely pulled out of the groove, and then the threaded columns and the self-locking rollers can be manually and integrally screwed up and down, so that the height difference among the three self-locking rollers can be conveniently adjusted, and the device can be more stably placed at a required place.

The invention belongs to the technical field of air purification in epidemic areas, and mainly relates to an air purification device for isolation rooms in epidemic areas. The air chamber is equipped with a first fan, and the first air inlet chamber is connected with a first air outlet, and a sterilizer, a glass air duct and a first partition are installed in the first air outlet, and the glass air duct One end is fixed on the first partition and communicates with the first air intake chamber, the outlet end of the glass air duct is connected with a humidifier, the second air intake chamber is installed with a second fan, and the second air intake chamber is connected with a second air outlet A second partition is installed in the second air outlet, and a high-temperature sterilization pipe is installed on the second partition. The high-temperature sterilization pipe communicates with the second air intake chamber to solve the problem of air circulation in the isolation ward. Under the premise of maintaining air circulation, the air is sterilized to prevent pathogens in the isolation room from being discharged outside, and at the same time, outdoor pathogens are introduced into the room.

The invention discloses a double-layer intercommunicating water supply valve of a ceramic closing element, and relates to the technical field of ceramic valves. The double-layer communicating water supply valve of the ceramic closing element solves the problems that an existing valve can be maintained only by cutting off water, an additional water cutting step is troublesome, the normal productiontime is occupied, the production efficiency is influenced, and the practicability is poor. The double-layer intercommunicating water supply valve of the ceramic closing element comprises a valve body, a water pipeline, a square sleeve rod and vertical supporting and inserting rods, wherein the valve body comprises a valve element sleeve, a supporting frame and a hand wheel, the valve body is of arectangular structure, a penetrating shaft hole is formed in the valve body, the valve element sleeve is welded and supported at the top end of the penetrating shaft hole, a circular cover plate is locked and blocked at the bottom of each of the valve element sleeve and the penetrating shaft hole, a supporting frame is welded to the top end of the valve body in a supporting mode, and the hand wheel is installed in the top middle position of a supporting rod of the supporting frame in a rotating-inserting mode. According to the double-layer intercommunicating water supply valve of the ceramicclosing element, two ceramic valve elements can be inserted, connected, abutted and positioned together through the two vertical supporting and inserting rods, and the two ceramic valve elements are prevented from being loosened and separated.

This application relates to the technical field of laser advanced additive manufacturing, and discloses a deformation control method for additive manufacturing of thin-walled partition parts. The sintered shape of each layered slice of the thin-walled structure is partially closed into a triangle, and then the process model with added process support is imported into the magics software, and the SLM process additive manufacturing method is used for manufacturing, and finally the obtained parts are processed After processing, the product is obtained. The application can effectively solve the problems of easy deformation and high stress and easy fracture of thin-wall partition parts, and greatly improves the success rate of additive manufacturing of thin-wall structural components.

The invention discloses a knee joint ligament rupture rehabilitation training device for preventing flexion, extension and strain, and relates to the technical field of rehabilitation medical equipment. The main shaft is connected to the side of one end of the two connecting rods II, and the electric telescopic rod can drive the patient to perform knee joint flexion and extension training to assist the patient to complete the training. , Adjust the degree of flexion and extension training in different rehabilitation stages, can accurately control the patient's knee flexion angle, avoid the angle that is too small and lead to the weakening of the rehabilitation training effect, and prevent the patient's knee from being injured again if the angle is too large. Dislocation in the left and right directions, through the anti-dislocation assembly to prevent joint dislocation in the front and rear directions during training.

The invention relates to a deep soil rapid collection device, which relates to the technical field of soil detection and includes a sampling frame, a sampling depth control mechanism, a soil sampling cylinder assembly, a drill bit seat assembly and a drill bit assembly. The beneficial technical effect is that the present invention is applicable to different geological types For soil collection, the soil in the deeper soil layer can be collected; when the soil sampling cylinder assembly penetrates into the soil to a sufficient depth, the lower end of the soil column is pinched off by controlling multiple drill bit assemblies, and the lower end of the soil column is Play the role of support to avoid the soil column being pulled away and broken when the soil column is taken out upward. The sampling depth control mechanism is connected to the upper end of the sampling frame, the two ends of the soil sampling cylinder assembly are respectively slidingly fitted and connected to the two ends of the sampling frame, the middle end of the soil sampling cylinder assembly is connected to the sampling depth control mechanism through threads, and the drill seat The assembly is connected to the lower end of the soil sampling cylinder assembly, and the four drill bit assemblies are uniformly arranged around the lower end of the drill bit seat assembly.

The invention relates to a spiral double-flange occlusion tank, in particular to a spiral double-flange occlusion tank reinforcing structure and a large-sized spiral double-flange occlusion tank applying the spiral double-flange occlusion tank reinforcing structure. The occlusion tank reinforcing structure comprises occlusion ribs, wherein one side, which is far away from a tank wall, of each occlusion rib is provided with a vertical reinforcing rib; the occlusion ribs are provided with connecting pieces which can be engaged with the occlusion ribs; the occlusion ribs are fixedly connected with the reinforcing ribs through the connecting pieces. The large-sized spiral double-flange occlusion tank comprises a tank body, wherein the occlusion ribs transversely surround the outer surface of the tank body and are isolated up and down; the vertical reinforcing ribs surround the tank body at intervals; the occlusion ribs are connected with the reinforcing ribs through the connecting pieces. The occlusion tank reinforcing structure and the large-sized spiral double-flange occlusion tank have the beneficial effects that the strength of the tank body can be effectively enhanced, the tank body is prevented from leaking and collapsing, and the like.

The present invention provides a combined backpack with personalized storage space and shape, and its mother backpack and child backpack. A first fixing part is connected to a mother backpack, and a plurality of first fixing holes are opened on the first fixing part; a child backpack A second fixed part is connected, a first direction and a second direction are defined on the second fixed part, and a plurality of first connectors and a plurality of second connectors are provided on the second fixed part, and the first The connecting parts are arranged opposite to each other in the first direction, and the second connecting parts are arranged opposite to each other in the second direction, and the first connecting parts or the second connecting parts are formed by After passing through the first fixing holes, the outer surfaces are combined with each other on the inner surfaces. Users can plan the storage space and change the appearance shape by themselves through a variety of combination methods, and construct personalized backpacks that change the storage space and shape.

The invention discloses an anti-disturbance tripping method for unbalance protection of a high-voltage capacitor with an inner fuse. The anti-disturbance tripping method for unbalance protection of the high-voltage capacitor with the inner fuse comprises the following steps: 1, obtaining an unbalance variation constant value delta 3 of unbalance protection of the high-voltage capacitor with the inner fuse; 2, determining protection delay time T according to fusing time of the inner fuse when a short-circuit fault occurs in a capacitor element; 3, when a protection device detects that the unbalance variation of the high-voltage capacitor satisfies the unbalance variation constant value delta 3 and a duration satisfies the protection delay time T, carrying out an operation of adding 1 on accumulators; 4, determining a protection action strategy for unbalance protection of the direct-current filter high-voltage capacitor with the inner fuse according to values after the operation on accumulators c1 and c2 in step 3. The anti-disturbance tripping method for unbalance protection of the high-voltage capacitor with the inner fuse has the advantages that the influence caused by disturbance to the unbalance protection of the direct-current filter high-voltage capacitor with the fuse can be limited, the protection accumulators add 1 when disturbance occurs, a protection alarm is given but tripping is not conducted, and the high-voltage side isolator of the direct-current filter or the direct-current system is prevented from being pulled open for ESOF (Emergency Switch Off).

The invention discloses an anti-bubble liquid control device. The anti-bubble liquid control device is characterized by being arranged between a lens assembly and a substrate; a separation structure, a liquid seal belt and an auxiliary seal belt are arranged at the periphery of a liquid injection cavity and a recovering cavity, so that boundary bubbles are prevented from being generated while bubbles are brought away in the process of replacing maintenance liquid; liquid filled into the liquid injection cavity can be promoted to flow into the recovering cavity as much as possible through the separation structure; non-uniform liquid flow for promoting the liquid to gather inwards is applied at the periphery of the liquid injection cavity and the recovering cavity by the liquid seal belt according to the pressure distribution characteristic of a flow field, and the liquid seal belt has a leakage inhibition effect and a flowing traction effect; and the auxiliary seal belt is used for absorbing the liquid which can be leaked under the working condition of quick movement of the substrate and can apply certain liquid compensation to a boundary flow field. In addition, due to the application of the liquid which is the same as a medium in an observation area in the device, inter-infiltration and inter-diffusion among different fluid media can be prevented; and the device has high reliability and adaptability.