34results about How to "Does not affect rotation" patented technology

The invention provides an aluminum alloy plate automatic slitting device, and relates to the technical field of slitting devices.The aluminum alloy plate automatic slitting device comprises two supporting frames, adjusting grooves are formed in the supporting frames on the two sides, a movable platform is movably installed in each adjusting groove, and placement assemblies used for adjusting the distance are installed in the supporting frames on the two sides and the movable platforms correspondingly; first right-angle teeth on a rod body of a driving rod can be engaged with second right-angle teeth on the inner wall of a matching arc plate, and the first right-angle teeth and the second right-angle teeth are matched through an inclined plane during fixing, so that a wobble wheel is rotated and a supporting bulge moves upwards to realize transmission of locking power; in order to avoid looseness of individual slitting circular knives, in the rotating process of the driving rod, first right-angle teeth and second right-angle teeth are matched through inclined faces, after individual slitting circular knives are locked, the rest of slitting circular knives are continuously locked through contraction of supporting springs, and it is ensured that each slitting circular knife is stably fixed.

The utility model discloses a bar surface smoothness polishing mould frame, which relates to the technical field of bar processing, and comprises a fixed base, the rear side of the upper end of the fixed base is fixedly connected with an inner side fixed frame, the upper ends of the two sides of the inner side fixed frame are fixedly connected with turnover frames, a turnover driving shaft is rotatably arranged between the turnover frames on the two sides, and the turnover driving shaft is fixedly connected with the inner side fixed frame. An indexing driver is fixedly installed on the outer side of the overturning frame on one side, an output shaft of the indexing driver penetrates through the overturning frames and then is fixedly connected with an overturning driving shaft, and bars are continuously fed into the bar clamping notches in the upper side through conveying equipment and then overturned. After being ground, the workpiece directly falls into the roll-out roller set on the lower side to be conveyed to corresponding conveying equipment to be conveyed out, continuous polishing machining can be carried out, the structure is simple, design is reasonable, operation is convenient and fast, the problem that lathe resources are occupied for a long time in a traditional polishing method can be effectively solved, normal use of other equipment is not affected, and the production efficiency is greatly improved.

The invention relates to the technical field of wiring devices, and particularly discloses a wire clamp installation tool and a wiring method.The wire clamp installation tool comprises a movable support slidably arranged at the top of a bottom plate and a movable plate fixedly arranged on the inner side of the movable support, and installation mechanisms arranged at intervals are arranged on the side wall of the movable support; wiring can be completed through the limiting support, the mounting mechanism and the like without cutting off a line power supply. Therefore, user power failure caused by construction is avoided, continuous production of medium and large-sized enterprises with extremely strong dependence on electric power is guaranteed, economic loss is reduced, high requirements of social production on continuous power supply are directly responded, a series of actions such as lead fixing, nut tightening and wire clamp clamping are automatically completed through automatic identification and positioning of the camera and driving of the motor, and the production efficiency is improved. The original tedious process depending on manual multi-step operation is integrated into a coherent automatic process. Therefore, the efficiency of single operation is greatly improved.

The present application relates to the field of coaxial butt joint in pipe welding, and discloses a correction butt joint method before large pipe welding, step one: the pipe to be welded is moved to between two groups of butt joint auxiliary devices; step two: the clamping correction mechanism is inserted into the pipe; step three: the clamping correction assembly clamps the pipe coaxially and self-centers; step four: among the two groups of clamping correction members, one group clamps the pipe wall, and the other group is switched to the correction state to correct the recess on the surface of the pipe, so that the recess correction on the surface of the pipe is realized without dead angle, and then the two groups of clamping correction members are kept in the clamping state; step five: the two groups of mounting seats are close to each other, the two pipes are close to each other, then the feeding mechanism drags the clamping correction mechanism and the pipe to move, and the two pipes finally complete the coaxial butt joint.

The invention discloses a porous coating preparation device and method for the outer wall of a heat exchange pipeline of a heat exchanger, and relates to the technical field of chemical deposition electroplating. A cathode wire of the electroplating mechanism is electrically connected with the heat exchange tube to be electroplated, and an anode wire is electrically connected with the anode block; and the electroplating pool is filled with electroplating liquid, and the to-be-electroplated heat exchange tube and the positive electrode block are arranged in the electroplating liquid. According to the method, the to-be-plated heat exchange tube is electroplated while being kept in a rotating state, so that the porous coating can avoid the gravity influence, a uniform and controllable porous structure is formed on the inner wall of the heat exchange tube, the thickness of the coating is uniform, and the pore size tends to be consistent.

This utility model discloses a cleaning structure for a rotary valve for conveying highly viscous materials, relating to the field of rotary valve technology. Its key technical features include a rotary valve body; a feeding rotary mechanism, which is screwed onto the left side of the rotary valve body and electrically connected to a control box via a connecting wire; a pushing cleaning mechanism, movably mounted on the lower inner side of the rotary valve body; and a cold air drying mechanism, fixedly connected to the upper inner side of the rotary valve body and connected to an industrial air conditioner. By combining the cold air drying mechanism and the pushing cleaning mechanism, automatic cleaning of highly viscous materials is achieved. Cold air from the industrial air conditioner is ejected through the perforated panel of the cold air drying mechanism, causing the adhered highly viscous material to freeze and harden. The movable scraper of the pushing cleaning mechanism corresponds to the shape of the smooth inner wall of the feeding chamber, accurately scraping away the hardened material without manual cleaning, thus improving cleaning efficiency.

The utility model discloses a pushing device for bridge construction, including base, the both sides symmetry of base's top surface installs the connecting plate, the inside middle penetration of connecting plate is connected with the pneumatic cylinder, the pneumatic cylinder is away from the side surface fixed connection of connecting plate and is provided with the support block, the top surface fixed mounting of support block is provided with a plurality of electric push rod, the top surface fixed connection of electric push rod is provided with the push plate, still include: the inside rotary joint of push plate is provided with a plurality of roller, wherein, the both sides penetration of roller's surface is connected with the moving cover, wherein, the side surface fixed connection of moving cover is provided with a plurality of threaded spud, through setting push plate, roller, moving cover, threaded spud and nut, when the single roller appears damage, separately carry out the replacement of dismounting, reduce the downtime, and through setting the pulley, rubber bellows and sliding slot, the transverse movement of support block is convenient, reduces the friction between support block and base.

The utility model discloses a calcium carbonate grinder with a scattering structure, which belongs to the technical field of calcium carbonate grinding and comprises a base, a grinding box is arranged on the base, a transmission arm is mounted on the base, a grinding roller is arranged on the transmission arm and positioned in the grinding box, and a grinding disc is arranged in the grinding box. Through the arranged scattering and feeding structure, a scattering motor can be started in the feeding process, the scattering motor drives a scattering cutter to rotate through a rotating shaft, so that fed calcium carbonate is scattered, the calcium carbonate is dispersed into primary particles, soft buffering in the grinding process is reduced, the particles are more fully exposed between a grinding roller and a grinding disc, and the grinding quality of the calcium carbonate is improved. The effective collision frequency in unit time is increased, the grinding efficiency is improved, the supporting assembly is arranged at the tail end of the rotating shaft, the rotating shaft can be supported, the stability of the rotating shaft is guaranteed, the spring is arranged in the fixing rod and used in cooperation with the abutting rod, the abutting rod can effectively make contact with the inner wall of the circular channel, and the supporting effect is guaranteed.

The present application relates to the field of logistics, especially to a double-layer heavy RGV, comprising a support frame, a walking mechanism is arranged on the support frame, a double-layer roller conveyor is fixed on the support frame, each layer of the roller conveyor comprises a plurality of connecting plates fixed on the support frame, a plurality of rollers are rotatably connected between adjacent connecting plates, a roller driving mechanism is arranged on the plurality of rollers, a plurality of arc blocks are equidistantly fixed on the outer surface of the roller, and an elastic supporting mechanism is arranged below the roller, through the arrangement of the double-layer roller conveyor, more goods can be carried at one time, the conveying efficiency of the RGV is greatly improved, through the arrangement of the elastic supporting mechanism, the roller is well supported, the stress at the connecting position between the two ends of the central shaft of the roller and the support plate is greatly reduced, thereby realizing the carrying of heavy goods, through the equidistant arrangement of a plurality of arc blocks on the outer surface of the roller, the heavy goods can be effectively forwarded, and the rotation of the roller provided with the arc blocks is not affected by the arrangement of the elastic supporting mechanism.

The invention discloses a method and device for predicting mechanical response of a liquid crystal elastomer, and belongs to the technical field of material performance prediction.The method comprises the following steps that a free energy density function of the liquid crystal elastomer is constructed; calculating thermal spontaneous deformation and mechanical deformation; determining sequence parameters influenced by the temperature and the external load; constructing a rotational evolution equation of a director of the liquid crystal elastomer, and predicting dynamic response of microscopic liquid crystal molecules of the liquid crystal elastomer; a constitutive equation of the liquid crystal elastomer is constructed to carry out a uniaxial tensile experiment, the mechanical response of the liquid crystal elastomer is predicted, and the invention further provides a prediction device based on the prediction method. The method is suitable for predicting macroscopic mechanical properties and microscopic director evolution of the single-domain-state liquid crystal elastomer under different temperatures and loading conditions, the mechanical response of liquid crystal elasticity can be accurately and efficiently obtained, and efficient utilization and design of the liquid crystal elastomer are achieved.

The utility model relates to the field of medical apparatus and instruments, disclose a eccentric cutter, including base, first eccentric support seat, outer tube, second eccentric support seat, support inner tube, cutter head subassembly and suction passage, first eccentric support seat is installed to base, one end of outer tube is installed to first eccentric support seat, second eccentric support seat is installed to the one end of outer tube away from first eccentric support seat, and second eccentric support seat has gourd shape through -hole, support inner tube penetrates outer tube, one end is installed to first eccentric support seat, and the other end is installed to the support portion of gourd shape through -hole, cutter head subassembly includes cutter head part and transmission shaft, transmission shaft penetrates support inner tube, and rotatably is installed in support inner tube, the utility model separates cutter head subassembly and suction passage completely, on one hand makes cutter head part can high -speed rotation, promotes the operation efficiency, on the other hand can also strengthen the stability of cutter whole, promotes the security of operation.

The application discloses a pipe pile end plate synchronous cutting mechanism, which comprises a connecting plate, two circumferential rotating assemblies arranged left and right on the connecting plate, a synchronous driving mechanism connected with the two circumferential rotating assemblies and used for driving the two circumferential rotating assemblies to rotate in opposite directions synchronously, an adjustable laser cutting head assembly arranged on the lower side of each circumferential rotating assembly and adjustable in the radial direction of the circumferential rotating assembly, and a radial position maintaining control assembly connected to the lower side of the connecting plate and used for maintaining the same radial adjustment position of the two adjustable laser cutting head assemblies in the rotating state. The pipe pile end plate synchronous cutting mechanism adopts multiple laser cutting knives for synchronous cutting, adjusts the eccentric positions of the laser cutting knives according to the diameters of the flanges to be machined, and realizes the machining of the flanges with the same diameter, so that the tediousness of one-by-one adjustment is avoided, and the machining efficiency is improved.

The utility model relates to the technical field of construction tools, in particular to an electric power engineering efficient construction tool which comprises an edge tool box, a grab handle is arranged on the side wall of the edge tool box, a wire inserting hole is formed in the axis of the edge tool box, a rotating disc is rotationally installed in the edge tool box, a plurality of blades are arranged on the rotating disc, cones are arranged on the blades, and all the cones abut against a pressing ring together. The end face of the pressing ring is provided with a pressing rod, the bottom wall of the grab handle is rotationally provided with a top plate, and the side wall of the top plate is provided with a top rod. During use, a cable is inserted into the wire inserting hole, the top plate is kneaded, the top rod presses the pressing rod to drive the mounting ring to rotate, the supporting rod is changed from inclination to straight, the mounting ring moves in the direction close to the rotating disc, the cutter rest is driven by the cone to move in the axis direction of the wire inserting hole, and therefore the blade abuts against the cable and rotates along the cable. Rapid cutting of the cable is realized; the cutting depth of the blade is gradually increased along with the increase of the force of holding the top plate, so that the cutting depth is flexibly controlled.

The utility model relates to the field of fitness equipment, in particular to a treadmill for cooperative training, which comprises a base and a running belt, the running belt is mounted on the base through a running belt mounting frame, a first hinge seat is arranged at the rear end of the base, and one end of the running belt mounting frame is inserted into the first hinge seat and hinged to the base. The gradient adjusting mechanism used for changing the height position of the front end of the running belt is arranged at the front end of the base and connected with the running belt mounting frame, first supporting rods vertically extending upwards are arranged on the two sides of the front end of the base, second supporting rods are hinged to the first supporting rods through damping hinges, and the second supporting rods extend upwards and have a certain radian. The top of each second supporting rod is provided with a handrail, the two second supporting rods are connected through horizontally-arranged connecting rods, the connecting rods are distributed at equal intervals, push-up supports are inserted into the connecting rods, and the technical problem of how to utilize the occupied space of the treadmill to conduct more training items so as to achieve cooperative training of the treadmill is solved.

This invention discloses a laser scanning-based device and method for measuring the contour of a new energy motor housing, relating to the field of motor housing size measurement technology. It aims to solve the technical problems of existing devices, which often employ manual or simple pneumatic clamping, easily causing deformation of thin-walled housings and affecting accuracy; requiring multiple flips to achieve full-angle scanning, resulting in low detection efficiency and large cumulative errors; and having complex control logic and low automation, hindering production line deployment. These problems include issues with the detection and positioning mechanisms. This invention sets up two sets of adjustment components along the moving path: a rear component and a front component. When the clamping component moves forward, it passes the rear adjustment component and automatically rotates 90 degrees. After continuing to move forward and completing the upper scan, it rotates 90 degrees again. Only by repeating these steps can a full detection of the housing be achieved. Compared to existing technologies that require multiple flips or multi-station switching, this device significantly shortens the detection cycle and reduces the cumulative errors caused by multiple clamping operations.

This invention provides a plasma sterilization cabinet with a rotating structure, belonging to the field of medical devices. It includes a cabinet body with a door rotatably mounted on the front. A support is fixedly mounted on the bottom of the outer surface of the cabinet body, and an adjustment component is fixedly mounted on the back of the outer surface. The bottom of the adjustment component extends through the bottom of the cabinet body into the interior, and both the left and right sides of the top of the adjustment component extend into the interior of the cabinet body. A drive device is fixedly mounted on the top of the outer surface of the cabinet body, and the bottom end of the drive device penetrates the cabinet body and extends into the interior. By mounting multiple connecting components and holding components on the surface of the drive device, the drive device can drive the multiple connecting components and holding components to rotate together. This allows the instruments stored in the holding components to make effective and uniform contact with the sterilizing agent sprayed from the cabinet body, thereby ensuring the sterilization effect of the instruments.

The utility model discloses a building safety belt quick hanging and buckling device, which relates to the technical field of building safety, and comprises a buckling rod and a reinforcing assembly, a clamping rod is arranged on the left side of the buckling rod, and the reinforcing assembly used for increasing the hanging and buckling firmness is arranged in the buckling rod. And the reinforcing assembly comprises a hanging buckle groove, a buckle opening, a threaded hole, a fixing screw rod and a control screw head, the buckle opening is formed in the side edge of the hanging buckle groove, the threaded hole is connected to the top of the hanging buckle groove, the fixing screw rod is installed in the threaded hole, the control screw head is installed at the top of the fixing screw rod, and an assembling block is connected to the left side of the clamping rod. According to the rapid hanging and buckling device for the building safety belt, the clamping rod is installed in a sliding mode from the buckling opening to the interior of the hanging and buckling groove, rapid hanging and buckling of the buckling rod and the holding rod are completed, and after the fixing screw rotates and moves downwards in the threaded hole, the lower end of the fixing screw plays a role in limiting the top of the installed clamping rod and preventing the top of the installed clamping rod from being disengaged from the hanging and buckling groove; the control screw head is used for controlling rotation of the fixing screw rod.

The utility model provides an electric push rod stroke control device which comprises a motor base, a shell, a motor, a lead screw, a fine adjustment assembly and a push rod, the shell is fixedly arranged on the motor base, the motor is arranged on the motor base and located in the shell, the lead screw is arranged on the motor base, the lead screw is in power connection with the motor, and the fine adjustment assembly is arranged on the shell. The outer circle face of the lead screw is sleeved with a movable table, and the movable table is in threaded connection with the outer circle face of the lead screw. According to the scheme, the push rod is pushed to the limit position in advance through elastic force, rotation of the lead screw is not affected, movement of the push rod is prevented from being limited when the stroke exceeds the limit, and the situation that when the push rod runs to the two ends of the stroke, the lead screw is blocked, and a motor is overloaded or even burnt is avoided. Therefore, the safety of the electric push rod stroke control device in the using process is improved.

The utility model provides a guide roller clamping mechanism for textile equipment, relates to the technical field of guide roller clamping auxiliary devices for the textile equipment, and aims to solve the problems that an existing guide roller is difficult to disassemble, assemble and maintain in the textile equipment, the guide roller cannot be quickly disassembled and assembled on the textile equipment, and the disassembly and assembly difficulty of workers is increased. Comprising a guide roller, the guide roller is detachably installed on a spinning frame, external threads are arranged on the axial surfaces of the two ends of the guide roller, the two ends of the guide roller are in threaded connection with limiting sleeves, shaft sleeves are installed on the outer sides of the limiting sleeves through bolts, the limiting sleeves are limited on the guide roller through the shaft sleeves, grooves are formed in the limiting sleeves, and the limiting sleeves are sleeved with the grooves. The right end of the limiting sleeve is limited in a threaded connection mode, and the left end of the limiting sleeve is limited through a shaft sleeve.

The utility model relates to the technical field of automobile iron sliding block, especially an iron sliding block with positioning buckle, including the iron sliding block main part and connecting rod for and guide rail cooperation uses, iron sliding block main part front side is equipped with bearing, the bearing is composed of outer ring and inner ring, iron sliding block main part front side fixedly connected with outer ring, the outer ring has rotatably connected with inner ring in, a plurality of recesses are seted up in the inner ring, the recess has the sliding connection with moving plate, moving plate one side is closely combined with rubber block, the rubber block is seted up with through -hole in, the inner wall of inner ring is closely combined with limit block, in the utility model, through rotatable, the detachable structure that can dismantle between connecting rod and iron sliding block main part makes connecting rod be installed in the front side of iron sliding block main part, simultaneously will not influence the rotation of connecting rod, compared with bolt connection in the prior art, avoid the tedious process of using tool screwing and dismounting.

The utility model belongs to tire production technical field, and disclose a kind of air emptying structure's compression roller for tire production, including compression roller body, the bottom end of compression roller body is fixedly connected with two connecting heads, wherein the connecting head is used to connect inlet pipeline, another the connecting head is used to connect exhaust pipeline, the inside of compression roller body top is equipped with several pistons, several The piston is all communicated with the air passage of two connecting heads by air pressure cavity, the outer surface of compression roller body is sleeved with several exhaust extrusion bearings, the cross section of compression roller body and exhaust extrusion bearing is all rectangle, and the height of exhaust extrusion bearing cross section is greater than the height of compression roller body cross section, the utility model is driven by air pressure driving structure of piston and double air passage connecting head, under the alternate action of compressed air and negative pressure, drive exhaust extrusion bearing to move up and down and extrude tire material, realize that air is oriented discharge along axial end surface, avoid bubble residual.

The utility model discloses a kind of snow removal shovel head multi-tool adaptive interface, comprising: snow removal shovel plate, the bottom of the snow removal shovel plate is fixedly connected with shovel bottom plate, the back of the shovel bottom plate is fixedly connected with reinforcing frame, the structure of the anti-blocking component helps to clean the inside of shovel head interface while assisting the snow removal shovel plate to advance in use process, prevent snow accumulation icing, utilize the cylindrical structure of telescopic base cooperation antiskid moving wheel, provide auxiliary movement when user uses device whole to shovel snow, and the movement of antiskid moving wheel provides the rotation basis for the rotation of telescopic base, the extension column set on one side of telescopic base can be adjusted the position of extension column according to the interface size installed at shovel head interface by user, and rotation will drive extension column to rotate, to this end drive the snow scraper of connecting movable plate one end continuously rotate in the inside space of shovel head interface, prevent snow icing phenomenon to appear, further improve the functionality and safety of device.

The invention discloses a cleaning device for kit processing, relates to the technical field of kit cleaning devices, and solves the technical problems that dust condensed and attached to the inner surface and the outer surface of a cylindrical kit can not be cleaned thoroughly, smudginess is still left, and the transparency degree of the kit is affected. Comprising a cleaning rack, and a plurality of cleaning boxes for cleaning kits are arranged in the cleaning rack; the double-sided cleaning mechanism is mounted in the cleaning box and is used for cleaning the inner surface and the outer surface of the kit; the double-sided cleaning mechanism comprises a lower inner wall cleaning component which is positioned below the kit body and is used for cleaning the inner wall of the kit body; the inner surface and the outer surface of the kit body can be rubbed and cleaned at the same time, the cleaning time can be prolonged by rotating and rubbing the inner surface and the outer surface of the kit body, the cleaning effect can be improved, condensed impurities attached to the surfaces are removed, the cleanliness of the kit body is guaranteed, the kit body can be cleaned in multiple batches, and the cleaning efficiency and convenience of the kit body are improved.

This invention provides a refrigerator. It includes a cabinet, a door, a refrigeration system, and a heat source. The refrigeration system includes a cabinet side portion, a door side portion, a first connecting pipe, and a second connecting pipe. The cabinet side portion is installed in the cabinet and has a compressor. The door side portion is installed in the door and has a first throttling device and a first evaporator. The inlet of the first evaporator is connected to the outlet of the first throttling device. One end of the first connecting pipe and one end of the second connecting pipe are respectively connected to the cabinet side portion at two locations on the cabinet side portion. The other end of the first connecting pipe is connected to the inlet of the first throttling device, and the other end of the second connecting pipe is connected to the outlet of the first evaporator. The heat source is configured to heat part or all of the first connecting pipe. Heating the first connecting pipe with the heat source reduces the risk of condensation on the exposed portions of the high / low pressure connecting hoses.

The present disclosure relates to the technical field of vacuum equipment, and discloses a sample table and a vacuum processing system. The sample table comprises a sample mounting seat, a rotating shaft, a cold screen assembly, a plane bearing and a rotating driver. The rotating shaft is connected with the proximal end of the sample mounting seat and used to drive the sample mounting seat to rotate. The cold screen assembly is sleeved outside the rotating shaft and used as a cold source. The plane bearing is sleeved outside the rotating shaft and used to rotationally connect the sample mounting seat and the cold screen assembly and conduct heat between the sample mounting seat and the cold screen assembly. The rotating driver is fixedly connected with the cold screen assembly, the output end of the rotating driver is connected with the rotating shaft, and the rotating driver is used to drive the rotating shaft to rotate so as to drive the sample mounting seat to rotate.

The utility model relates to the technical field of fixed display devices, in particular to a fixing device of holographic imaging equipment. Comprising a supporting cabinet, and an annular channel is formed in the upper portion of the supporting cabinet; the rotating disc is connected with the supporting cabinet through a rotating shaft and can rotate along the annular channel, a second frame is arranged above the rotating disc, a fixing seat for equipment installation is arranged in the middle of the second frame, and at least one group of driving assemblies connected with the second frame are arranged on the rotating disc; according to the utility model, the imaging device is installed on the fixing seat, the driving assembly is utilized to drive the second frame to rotate and is matched with the rotation of the turntable, so that the spatial position of the imaging device can be adjusted, different imaging positions are formed, and the display effect is improved.

This utility model discloses a variable fine-tuning structure for the spacing of coffee machine grinding discs, relating to the field of coffee machine processing technology. It has the advantage of conveniently adjusting the spacing between the annular fixed blade disc and the conical moving blade disc. The key technical points are: it includes a bean hopper for holding coffee beans and a powder hopper for holding coffee powder. An adjustment seat is provided between the bean hopper and the powder hopper. The upper surface of the adjustment seat is fixed to the bottom end of the bean hopper, and an annular outer sleeve is fixed to the lower surface. The outer sleeve is sleeved on the outside of the powder hopper and is threadedly fixed to the powder hopper.

The positioning and clamping device comprises a supporting base, a clamping assembly, cutting equipment, a cutting edge, an expansion table and a control box, the clamping assembly is arranged at the top of the supporting base, the cutting equipment is installed at one end of the clamping assembly, the cutting edge is arranged in the cutting equipment, and the expansion table is installed on the clamping assembly. The expansion tables are installed on the two sides of the clamping assembly, and the control box is arranged at one end of the bottom of the supporting base. According to the device, a third air cylinder drives a connecting plate to move, a moving plate can be driven to conduct position adjustment, a second motor is matched to drive a rotating plate to rotate, the position and angle of a lateral fixing block can be adjusted, special-shaped door and window profiles can be conveniently laterally fixed, the fixing effect on the door and window profiles is guaranteed, and the practicability is high. And the problem that subsequent machining of door and window profiles is affected due to the fact that the fixing effect is poor due to the fact that the profiles are special-shaped in side-top double fixing, and consequently cutting deviation is caused is solved.

The application provides a semiconductor growth equipment with a rotating assembly, which comprises a reaction chamber, a susceptor arranged in the reaction chamber, a rotating assembly for driving the susceptor to rotate, a gas injection device, a shaft, a pressure head structure and an elastic assembly; the top surface of the susceptor is provided with a docking part; the gas injection device is arranged in the reaction chamber and opposite to the top surface of the susceptor, and the gas injection device is provided with a plurality of gas supply channels; the shaft is movably arranged in the gas injection device to move towards or away from the susceptor, and the shaft penetrates through the bottom of the gas injection device; the pressure head structure is connected with the bottom of the shaft and located between the bottom surface of the gas injection device and the top surface of the susceptor, and is detachably connected with the docking part to provide a pressing force; the elastic assembly is arranged on the top surface of the pressure head structure around the shaft and movably penetrates through the gas injection device, so that the shaft is driven to move towards or away from the susceptor by compression or extension, and the rotating stability of the susceptor is improved by providing a pressing force to the susceptor, thereby being beneficial to the uniform growth of the material layer on the surface of the substrate.

The application discloses an asphalt pavement on-site recycling additive spreading device and a use method thereof, and relates to the related technical field of road maintenance devices. The asphalt pavement on-site recycling additive spreading device comprises a spreading bin, a device frame, left and right spreading hoppers arranged at the two ends of the device frame, and a bottom plate, a universal wheel and a rotating feeding mechanism are arranged at the bottom of the device frame, the bottom of the bottom plate and the side of the universal wheel respectively, and the rotating feeding mechanism extends to the inside of the left and right spreading hoppers. In the application, the transmission movement of the warm mixing agent is accelerated through the extrusion of the spiral feeding roller, and the transmission movement of the warm mixing agent can be matched with the movement of the transport vehicle to the device to perform corresponding acceleration and deceleration rotation, so that the speed of the discharging of the warm mixing agent can be matched with the speed of the movement of the device when the warm mixing agent is discharged, the warm mixing agent can be uniformly dispersed in the construction process, and the construction effect is improved.