471results about How to "Rise steadily" patented technology

The invention provides a speed change pressure flow field control method applicable to an intermittent transonic speed wind tunnel, and relates to the technical field of aerospace industry wind tunnel tests. The speed change pressure flow field control method applicable to the intermittent transonic speed wind tunnel solves the problem that a traditional flow field control method can not meet the requirements of flutter tests. The technical scheme includes: enabling total pressure and main ejector pressure to rise to first stage set value in a given rate after a wind tunnel starts ramming; controlling a mach number to reach set target value in a flow field regulating procedure; controlling a main pressure regulating valve and a main air discharge valve so as to enable the total pressure of the wind tunnel and the main ejector pressure to reach respective target value in a change total pressure regulating procedure; and controlling the current main ejector pressure to gradually drop to set shutdown main ejector pressure and controlling the current wind tunnel total pressure to gradually drop to set wind tunnel total pressure value when the wind tunnel is shut down. The speed change pressure flow field control method applicable to the intermittent transonic speed wind tunnel can meet the requirements of the flutter tests for intermittent transonic speed wind tunnel flow field control, has rapid, accurate and reliable test effects, and furthermore is high in total pressure control and mach number control accuracy.

The present invention relates to a gas-phase double-dynamic solid fermentation techinque, and is characterized by that the solid material to be fermented is placed into a double-dynamic environment with pressure pulsatino and circular flowing air to make solid fermentation. Its fermentation equipment includes a horizontal cylindrical tank with a quickly-opening door, in the interior of the tank arectangular spacing cylinder which is formed from four partition boards and whose section is quadratic is axially placed, and in the space of partition board and tank wall a cooling calandria parallel to the partition board is arranged, and the vertical centre of the spacing cylinder is equipped with horizontally-arranged several groups of cooling calandria.

The invention discloses a power transmission line live work robot and its online and offline control method. The robot comprises a case body and a control unit arranged inside the case body. The upper part of the case body is provided with a pair of conductive wire walking wheels. The two sides of the case body are provided with a wire supporting device. The upper surface of the case body at two sides of the supporting devices is provided with upper penetration holes. The lower surface of the case body is provided with lower penetration holes arranged correspondingly along the vertical direction of the upper penetration holes. The two sides of the case body are both provided with insulation cords. The two ends of the insulation cords penetrate one upper penetration hole on the same side of the case body and extend out of the lower penetration hole at its lower side, and one end of each insulation cord is clamped or fixed at the lower penetration hole. Between the conductive walking wheels and the case body, a traction motor is arranged. The conductive waling wheels, the wire support device, and the traction motor are connected respectively with the control unit. The online and offline control method comprises the utilization of an electric coil rolling machine to control the insulation cords to realize the rise and fall of the robot. According to the invention, it is possible to realize the online and offline of a live work robot, and the online and offline procedures are reduced. Highly automatic, the robot and the method achieve good stability.

The invention discloses a clamping device for mold production, which includes a box body, and is characterized in that: a first motor is fixedly connected to the bottom of the inner wall of the box, and a first bevel gear is sheathed on the surface of the output shaft of the first motor , the bottom of the inner wall of the box is rotatably connected to a first rotating rod and a second rotating rod through a support rod, and both ends of the first rotating rod are respectively rotatably connected to the front and back of the inner wall of the box through bearings, and the second Both ends of the rotating rod are respectively connected to the front and back of the inner wall of the box through bearings. The surface of the first rotating rod is sequentially sleeved with a second bevel gear, a first gear and a second gear from back to front. The invention relates to the field of mold technology. The clamping device for mold production achieves the purpose of automatically taking out the workpiece raised by the workbench, avoids the problem that it is difficult to take out the mold after reprocessing, ensures the processing efficiency, and facilitates the processing of the workpiece by the operator.

The invention discloses a multifunctional intelligent distillation instrument. The distillation instrument comprises a shell, a support, heating devices and a cooling device, wherein the heating devices are a plurality of relatively independent heating units, and each heating unit comprises a heating jacket, a heating bar, a heating bowl and a distillation bottle; the heating bowl is arranged in a heating box, the open end of the upper part of the heating bowl is provided with a stove port, and the distillation bottle is arranged in the stove port; the heating jacket is fixed on the periphery of the heating bowl; and the distillation instrument is also provided with a measurement and control device, a temperature sensor is fixed on the top of each heating bowl and connected with a control circuit board through a signal wire and transfers heating temperature to a control chip on the control circuit board, and a liquid level sensor is fixed on a console and senses the liquid level state in a volumetric flask through an optical fiber. The instrument can be widely applied to distillation treatment of projects of volatile phenol, cyanide, ammonia nitrogen, Kjeldahl nitrogen, water in oil and the like in various chemical laboratories requiring distillation treatment in environment friendliness, disease control, water supply and drainage, colleges, research institutions, industrial enterprises and the like.

The invention discloses a refrigerating installation, heating equipment and communication device belonging to electronic communication technical field. The installation comprises cold junction radiator which is used for releasing refrigerating duty and cold junction phase transition unit which is set at the cold junction radiator and filled with the phase transition for gathering refrigerating duty, and the fins or the heat pipe are arranged in the cold junction radiator. The invention amortizes the local low temperature produced by refrigeration and makes not produce condensation water in the cabinet or amortizes the local high temperature produced by heating process and further improve the refrigerating or heating efficiency. Additionally, the invention can effectively decrease the numbers of start / stop and operation period to reduce operation cost.

The invention discloses a bookshelf convenient to install for senior high school students. The bookshelf comprises an installation plate. Threaded rods are arranged on the installation plate and located at the four right angles in a penetrating and inserting mode respectively. The upper and lower ends of one side of the installation plate are each provided with a through groove. Clamping grooves are formed in two opposite inner walls of the two through grooves. A clamping block is clamped into each clamping groove. The opposite sides of the two clamping blocks are fixedly connected with one sides of two clamping rods respectively. A vertical plate is connected to one side of the installation plate in a lapped mode, an installation cavity is formed inside the vertical plate, and the inner wall of the side, opposite to the installation plate, of the installation cavity is fixedly connected with a sleeve through a connecting block. By improving the sleeve, when a piston slides inside the sleeve, two transmission rods drive the two clamping blocks through the two clamping rods to get away from the clamping grooves, so that the installation plate and the vertical plate are separated conveniently, and by means of cooperated use of a return spring, the two clamping blocks can be stably clamped into the clamping grooves; when a carrier plate is pulled, the carrier plate can stably ascend or descend, and therefore the carrier plate can be conveniently cleaned or books can be conveniently taken.

The invention discloses a one-way cushion overflow valve. The end of a one-way valve core is provided with a first throttling orifice, and the first throttling orifice is communicated with an oil inlet and a return spring cavity; a pressure-regulation spring cavity is arranged in an overflow valve seat; an overflow valve stem, a regulating screw and a pressure-regulation spring are installed in the pressure-regulation spring cavity; both ends of the pressure-regulation spring respectively abut against the overflow valve stem and regulating screw; one end of the overflow valve seat is provided with a valve stem hole and an oil passing hole; the valve stem hole is communicated with the return spring cavity and pressure-regulation spring cavity; the end of the overflow valve stem is matched with the valve stem hole; the oil passing hole is communicated with an oil passing cavity and the pressure-regulation spring cavity; and a second throttling orifice is communicated with the return spring cavity and pressure-regulation spring cavity, and arranged in the overflow valve seat or overflow valve stem. The invention also discloses a closed-type hydraulic pump. Under the combined actions of the first throttling orifice and second throttling orifice, the fluctuations in the pressure rise and fall process are reduced, so that the pressure rise and fall of the hydraulic circuit can be more stable.

The invention discloses an ink-jet printer and a printing method thereof. The ink-jet printer comprises a printing module, supporting beams, a printing platform, an ink-scraping maintenance device and a control system. The printing module is installed above the supporting beams, a sprayer is installed at the lower end of the printing module, and the printing platform is arranged below one ends of the supporting beams. The ink-scraping maintenance device is arranged below the other ends of the supporting beams, the control system is used for controlling work of the printing module, the ink-scraping maintenance device and the sprayer. The ink-jet printer is characterized in that the ink-scraping maintenance device comprises a lifting device, and the lifting device can make lifting movement on the whole in the vertical direction, namely in the Z-axis direction; by controlling overall lifting of the ink-scraping maintenance device and horizontal movement of the printing module in the direction of the supporting beams, ink-scraping or maintenance operation of the sprayer is completed, the lifting device is skillful in structure design, and lifting smoothness and steadiness are high; and in the ink-scraping maintenance process, by approaching a sensor for automatic detection and controlling the distance between the sprayer and the ink-scraping maintenance device, accuracy can be improved, and quick and convenient ink-scraping maintenance is achieved.

The invention discloses a plunger self-locking metal corrugated pipe multi-corrugate water expansion once-forming machine. A forming mould is locked in a manner of pushing a pin by a locking mould cylinder. A large mould locking force is realized. In manufacturing a relatively long large-size corrugated pipe, the mould locking force can be enlarged through prolonging the length of the forming mould. No enough mould locking capability of the mould is prevented. Machining of the large corrugated pipe with relatively a large number of corrugates and a relatively high wall thickness can be finished in one step. High operation efficiency and high quality of finished product are realized. According to the plunger self-locking metal corrugated pipe multi-corrugate water expansion once-forming machine, the forming mould with an inner mould and an outer mould is adopted. In a certain range, through adjusting different moulds of different standards, the plunger self-locking metal corrugated pipe multi-corrugate water expansion once-forming machine can be adapted with manufacture of the corrugated pipes with different standards and different diameters. Specialized casting of a new forming outer mould is not required. Not only is production efficiency improved, but also the production cost is greatly reduced.

A disclosed undisturbed soil scouring test system comprises a water pump, a water inlet pipe, a flow valve, a water inlet valve, a rectangular pipe, a water outlet pipe, two piezometric pipes, a pushing system, a pressure-regulating valve and a secondary settling basin; the water inlet of the water inlet pipe is connected with the water pump, the water outlet of the water inlet pipe is connected with the water inlet of the rectangular pipe, the water outlet of the rectangular pipe is connected with the water inlet of the water outlet pipe, and the water outlet of the water outlet pipe is connected with the secondary settling basin; the flow valve is disposed at the water inlet end of the water inlet pipe, and the water inlet valve is disposed on the water inlet pipe and at the downstream of the flow valve; the pushing system is communicated with the bottom of the rectangular pipe; the two piezometric pipes are disposed on the rectangular pipe and respectively at two sides of the pushing system; and the pressure-regulating valve is disposed at the water outlet end of the water outlet pipe. The undisturbed soil scouring test system is capable of generating a high-speed water flow for scouring undisturbed soil, and is applicable to research on incipient velocity of sediment in different particle sizes from sand grain to clay particle and undisturbed soil scouring rate tests.

The invention discloses a container transportation lifting device and relates to the technical field of hydraulic equipment. The container transportation lifting device comprises a base. A motor groove is formed in the base. A motor is fixedly installed in the motor groove. A first worm gear is fixedly installed at the right end of the output end of the motor. A worm is rotationally connected in the motor groove and below the first worm gear. According to the container transportation lifting device, through a limiting plate and a baffle arranged at the top edge of a holding plate, the problemsthat in the transportation process, uphill and downhill conditions occur, and consequently containers slide down can be avoided; when a first electromagnet arranged at the bottom of the baffle and asecond electromagnet arranged at the bottom of a sliding groove are connected with same-direction currents, the first electromagnet and the second electromagnet can attract each other, and the baffleis attracted, thereby sliding down, the containers can be unloaded conveniently; and during transportation, the first electromagnet and the second electromagnet are connected with reverse currents, the baffle is jacked up through repulsive force of the first electromagnet and the second electromagnet, and the containers are blocked and are prevented from sliding.

The invention relates to a smooth feeding door frame assembly for a forklift and a forklift applying the smooth feeding door frame assembly. The assembly comprises a primary material discharging mechanism and a secondary material discharging mechanism, wherein the primary material discharging mechanism comprises a driving component, a first pushing component and a second pushing component, whereinthe driving component is fixedly arranged at the middle position of a lifting frame, the first pushing component and the second pushing component are symmetrically arranged on the two sides of the driving component and are arranged on the lifting frame in a sliding mode, and the driving component cooperates with the first pushing component and the second pushing component to carry out primary unloading; the secondary material discharging mechanism comprises a first feeding component and a second feeding component, wherein the first feeding component is arranged at the lower part of the firstpushing component and is located at the rear half part of a cargo material conveying direction, and the second pushing component is arranged at the lower part of the second pushing component and is located at the rear half part of the cargo material conveying direction; and the first feeding component and the second feeding component are both arranged in a telescopic mode along the horizontal conveying direction of a cargo material. According to the assembly, the problem that the bottom surface of a panel is obliquely arranged, when the cargo is slid and sent to a destination, the cargo with heavier weight can be overturned due to the fact that the ground is firstly contacted with one side of the bottom surface of the cargo is solved.

A self-lifting on-wire device for a hot-line work robot comprises a bearing frame (1), a clamping wheel set, a motor (6) and a control cabinet (8). The bearing frame is a rectangular frame. Vertical plates (2) are arranged at the two ends of two edge frame bodies. A fixed pulley shaft is fixed to the upper portion on the inner side of each vertical plate, and a movable support shaft (12) is fixed to the lower portion of the inner side of the vertical plate. A fixed pulley (5) is arranged on each fixed pulley shaft. One end of a movable support (4) is borne by each movable support shaft in a swinging mode, and a driving wheel shaft is fixed to the other end of the movable support. A driving wheel (3) provided with a motor is arranged on each driving wheel shaft. The middle portions of two insulating ropes (10) are thrown and hung on a transmission cable in advance through a rope jetting device, the rope head of each insulating rope is wound from the outer side of the corresponding driving wheel to the inner side of the driving wheel opposite to the corresponding fixed pulley, then wound upwards to the inner side of the fixed pulley, and finally extends downwards from the outer side of the fixed pulley and is fixed to the bottom face. According to the self-lifting on-wire device for the hot-line work robot, the automatic on-wire process and automatic off-wire process of the hot-line work robot can be achieved through remote-control operation on the ground.

The invention provides an electroplated crown block and a lifting device thereof. The lifting device of the electroplated crown block comprises a bracket, a lifting frame, a guide mechanism and a lifting driving mechanism, wherein the lifting frame is positioned on one side of the bracket and can lift up and down along the bracket; the guide mechanism is arranged between the bracket and the lifting frame and connected with the bracket and the lifting frame, so that the lifting frame can be guided during lifting along the bracket; the lifting driving mechanism is connected with the lifting frame and can drive the lifting frame to lift up and down along the bracket. According to the lifting device of the electroplated crown block, the vertical status of the lifting frame can be kept through the guide mechanism arranged on the lifting device, so as to guarantee the stable lifting up and down of the lifting frame, equipment fault due to staggering of a hook on the lifting frame and a clamp slot in a liquid medicine tank can be avoided, the tipping possibility of the lifting device can be eliminated, in addition, the occurrence of an accident that a circuit board is damaged due to tipping of the lifting device can also be avoided.

The invention discloses an elasticity-adjustable nonlinear pressure spring unit comprising a pressure spring and a telescopic body which are respectively arranged on the upper and lower portions of the nonlinear pressure spring unit. A connector is fixedly arranged at the upper end of the pressure spring, the telescopic body is composed of a base and a movable support arranged on the base, the lower portion of the spring is fixed on the movable support, a pull rope is fixed at the center of the connector, and penetrates through the center of the pressure spring along a pressure spring axis and continuously penetrates through the center of the movable support along the movable support to be fixedly connected with the base; pull rope tension is adopted to pre-compress the pressure spring without changing length of the pull rope, and under the action of external force, relationship of deformation and the external force of the pressure spring is nonlinear. The movable support moves up and down to drive the base of the pressure spring to compress or release the spring to change elastic force of the pressure spring. The movable support moves up and down stably and is operated conveniently, and the elasticity-adjustable nonlinear pressure spring unit can meet requirements for elastic mechanism application of multi-type products or equipment in different fields.

The invention discloses an air spring. The air spring comprises a cylinder with filler sealed inside, a piston and a piston rod. The piston is arranged in the cylinder and can slide in the axial direction of the cylinder, one end of the piston rod is connected with the piston, and the other end of the piston rod protrudes towards the cylinder. The piston divides the interior of the cylinder into an upper cavity and a lower cavity. A first damping hole allowing the filler to pass and enter the upper cavity or the lower cavity is formed in the piston. The air spring further comprises a valve block assembly which allows the piston rod to penetrate and is arranged in the lower cavity. The valve block assembly comprises a first valve block abutting against the end face of the piston, and a second valve block capable of abutting against the first valve block. By means of the arrangement of the valve block assembly and a pressure regulating sheet, a three-stage damping function on the filler is achieved; and in cooperation with an arc-shaped elastic pressing sheet arranged on the second valve block and sliding connection arrangement between the pressure regulating sheet and the piston rod, pressure is gradually increased when the piston rod contracts into the cylinder, then buffer force is gradually increased, and the buffer effect on an object is gradually enhanced.

The invention discloses a medical bed with the bath taking function and belongs to the technical field of medical instruments. The medical bed comprises a bed plate, a bed frame and a vacuum excreta collector; a connection rod support is arranged on cross rods and provided with two cot bed supporting frames; the cot bed supporting frames are provided with a bathing cot bed; the two ends of the bathing cot bed are arranged on the two cot bed supporting frames respectively; an inflating bathtub is arranged below the bathing cot bed; the connecting rod support and the cross rods are locked and connected through U-shaped locking blocks; the cross rods and supporting rods are connected through U-shaped locking blocks; when the U-shaped locking blocks are opened, the supporting rods can be detached from the cross rods; a water outlet of the inflating bathtub is connected with a water drain pipe which is connected with a waste water collecting device; a showering sprayer is further arranged above the inflating bathtub; a hanging device is arranged on one side of the bed frame, and the inflating bathtub is connected with an automatic inflating device. The medical bed can effectively avoid other diseases caused when a patient lies for a long time, relieve the pain of the patient, and improve the comfort degree of the patient and is favorable for rehabilitation of the patient.

The invention relates to an access device, in particular to a stable access device for electronic components. The technical problem to be solved by the present invention is to provide a stable access device for electronic components that can stably protect the electronic components and prevent dust from being covered during the transportation or transfer of the electronic components. In order to solve the above technical problems, the present invention provides such a stable access device for electronic components, including a placement frame, etc.; the left wall of the access box has an opening, and the left side of the bottom of the access box is provided with a lifting device. The top is connected with a placement frame, the top of the placement frame is provided with a placement slot, the right wall in the access box is provided with a pusher, the left end of the pusher is connected with a push plate, and the left side of the pusher is connected with the right side of the lifting device. The present invention designs a stable access device for electronic components. The electronic components can be stably moved to the opening by being provided with a pushing device, and a lifting device is provided at the same time.

The invention discloses a shuttle cart. The shuttle cart comprises two guide rails, a fame, a pallet fork and a jacking device, wherein the two guide rails are arranged in parallel in a spaced mode, the frame can reciprocate along the guide rails, the fork is arranged on the frame and can be stretched out and drawn back in a reciprocating mode in the direction perpendicular to the moving direction of the frame, the jacking device is arranged on the frame and used for driving the pallet fork to reciprocate in the vertical direction, a groove is formed in the side face of each guide rail, sliding wheels are arranged on the two lateral sides of the bottom of the frame respectively, and the sliding wheels are embedded in the grooves in a slidable mode. The stretching and drawing direction of the pallet fork is perpendicular to the moving direction of the frame. The jacking device can drive the fork to reciprocate in the vertical direction. The jacking device and the fork are used in cooperation in a stretch-out and draw-back mode for taking goods down from a goods shelf or placing the goods on the goods shelf, no conveyor needs to be arranged on the goods shelf, and therefore cost is saved. The grooves are formed in the side faces of the guide rails, the sliding wheels of the frame are embedded in the grooves in the slidable mode and clamp the two guide rails, and therefore the frame can stably move, and the frame can be prevented from inclining.

The invention discloses an intelligent garage stable operation device. The device comprises a fixing base, support bases are fixed to the two ends of the top of the fixing base, mounting holes arranged at equal intervals are formed in the side edges of the supporting bases in the height direction of the support bases, sliding blocks are slidably sleeved with the mounting holes, a locating column is fixed to one end of each sliding block, a second electromagnetic chuck is installed at the other end of each sliding block, a threaded columns is in threaded connection with one end of each mountinghole, a first electromagnetic chuck is installed at the end, close to the corresponding sliding block, of each threaded column, springs are sleeved with the mounting holes, first grooves and second grooves which are alternatively arranged at equal intervals are formed in the side edges of the support based in the height direction of the support bases, rising induction blocks are installed in thefirst grooves, and falling induction blocks are installed in the second grooves. Accordingly, a double-power-source structure is adopted, operation is stable, the very good limiting anti-falling effect is achieved, and operation is safe and reliable.

The invention discloses a casting design method of a 38W machine body. A main cavity of a casting of the 38W machine body is of a V-shaped structure, the lower part is an air cavity, a plurality of axial baffles are arranged in the middle, the casting design method is sequentially composed of casting design, pouring design and riser design, and optimization is carried out. According to the castingdesign method of the 38W machine body, cracks are reduced, shrinkage porosity is reduced, the size deviation is reduced, sand adherence is reduced, air holes are reduced, the molding quality of the casting is improved, and the production efficiency is improved.

The embodiments of the invention provide a lift-off recycling mechanism, a tethered balloon system and a control method thereof. The lift-off recycling mechanism comprises a main winch, a guide pulley and a driving device, wherein the main winch comprises a reel provided with a tethered rope, and the tethered rope is connected to the driving device by the guide pulley. The driving device is used for driving the reel to realize the take-up and pay-off of the tethered rope, so that a balloon body is controlled to go up or down. By adopting the design, the balloon body of the tethered balloon system can overcome the acting force of the air so as to stably go up or down.

The invention provides a protective cover capable of being opened by remote control, comprising a housing with an opening and a seal cap mounted on the opening, wherein a liftable mounting table is mounted in the housing, and fixedly connected with the seal cap; and a driving device for driving the mounting table to rise and a control mechanism capable of fixing and exciting the mounting table to rise are mounted in the housing. According to the protective cover capable of being opened by remote control, a sensor can be mounted on the mounting table, and then the opening is covered with the seal cap to seal the housing, thereby protecting the sensor located within the housing and prolonging the service life of the sensor. When needing to open the housing to use the sensor on the mounting table, the mounting table is allowed to rise and the seal cap is opened, so that the sensor can be in contact with the environment outside the housing and can detect the environment nearby. The protective cover is simple in integral structure, capable of effectively protecting a meteorological sensor, convenient to open when needed, and high in use flexibility; moreover, the influence of the environment on the sensor is reduced to the utmost extent, and the service life of the sensor is prolonged.

The invention discloses an automatic coating device. The automatic coating device comprises a vertical plate, a transverse plate arranged at the lower portion of the vertical plate, a material distribution box arranged on the left side of the upper portion of the transverse plate, a coating box arranged on the right side of the upper portion of the transverse plate, a coating recycling box arranged in the transverse plate, a moving box arranged on the right side of the vertical plate, a moving mechanism arranged in the moving box, a coating mechanism arranged in the coating box, and a cutting-off mechanism arranged on the material distribution box. The automatic coating device is characterized in that the moving mechanism comprises a first motor, a first screw rod arranged at the upper portion of the first motor, a first nut arranged at the outer portion of the first screw rod in a sleeving manner, and a lifting part arranged on the right side of the first nut, wherein the first nut can move vertically on the first screw rod.

The invention discloses an independent lifting mechanism a double-augmented stroke iron driller spinning wrench. The independent lifting mechanism comprises a frame assembly, a guide body, a supporting frame assembly, a spinning wrench assembly, and a sliding block assembly, wherein the frame assembly comprises two frame bodies, the frame bodies are connected by an upper beam and a lower beam, andtwo guide rails are vertically connected between the upper beam and the lower beam; and a guide body is installed between the two guide rails, the supporting frame assembly comprises a vertical plate, the sliding block assembly is arranged on the surface of the vertical plate, the sliding assembly is provided with a sliding block, the sliding block can move along a sliding rail, an oil cylinder lug seat is arranged on the lower beam and connected with a lifting oil cylinder, the lifting oil cylinder is connected with a supporting block, the side of the supporting block is connected with a sprocket wheel through a rotating shaft, and a lifting chain is arranged on the sprocket wheel. The independent lifting mechanism has a double-augmented stroke function, a big stroke is obtained while saving space, and lifting double-augmented stroke of the spinning wrench can be realized through cooperation using of a lifting liquid cylinder, the sprocket wheel and the chain.

The invention discloses an angle adjustable cutting device for plastic-steel door and window machining. The angle adjustable cutting device for plastic-steel door and window machining comprises a base. The sides, close to each other, of vertical extending plates at the left end and the right end of the base are both provided with T-shaped sliding rails. The front end and the rear end of the top ofthe base are connected with fixed ends of two parallel first electric extensible and retractable rods correspondingly. The extensible and retractable ends of the two first electric extensible and retractable rods are connected with the front end and the rear end of the bottom of a fixing chamber correspondingly. The left side and the right side of the fixing chamber are provided with T-shaped sliding strips which are vertically distributed. The two T-shaped sliding strips are in sliding connection with the two T-shaped sliding rails correspondingly. According to the angle adjusting cutting device, the situation that a plastic-steel door and window deviates during machining, and the cutting angle is changed can be prevented, meanwhile, a pointer rotates, the rotation angle can be determined, angle contrasting can be carried out, defective materials can be prevented from dropping out and are cleaned conveniently, the stability of the device is improved, buffering is carried out, a cutting piece can be prevented from excessively cutting into the plastic-steel door and window, and then the situation the cutting device is fractured and clamped on the plastic-steel door and window is prevented.

The invention discloses a gynecological microwave therapeutic apparatus for relieving pains of patients, comprising a microwave therapeutic apparatus body and a cabinet, wherein a support plate is fixedly connected with the left and right walls of the inner cavity of the box body; the top of the support plate is fixedly connected with an electric telescopic rod; the top of the push bar of the electric telescopic rod is fixedly connected with a first connecting plate; the top of the first connecting plate is provided with a groove, and the inner surface of the groove is fixedly connected with the outer surface of the microwave therapeutic instrument body. The invention relates to the technical field of medical auxiliary instruments. For the gynecological microwave therapeutic apparatus forrelieving pains of patients, the main body of the microwave therapeutic apparatus can be incorporated into the inside of the box body for protection, at the same time, the first connected plate is stabilized by the first spring, the stable lifting of the microwave therapeutic apparatus body is ensured, and the problem that the existing microwave therapeutic apparatus is place in a therapeutic roomwithout a shell for protection, the microwave therapeutic apparatus may be damaged inadvertently, and the service life of the microwave therapeutic apparatus is affected.

The invention discloses a commutator assembling machine and a commutator assembling method thereof. The commutator assembling machine is characterized in that a divider and a turntable are arranged onan assembling table; a plurality of tools are uniformly arranged on the turntable in the circumferential direction; a pressure ring feeding structure, a plurality of pole piece feeding mechanisms, aframework feeding mechanism, a framework pressing mechanism and a commutator discharging mechanism are sequentially arranged on the outer side of the turntable from front to back in the circumferential direction; and a rotating mechanism used for driving the tools above to rotate relative to the turntable when the turntable stops rotating is arranged below the turntable. The method comprises the steps: pressing rings are placed into the tools through the pressing ring feeding structure, the turntable rotates to rotate the pressing rings to the first pole piece feeding mechanism to be loaded with a first pole piece, then to the next pole piece feeding mechanism, the position, with no pole piece, on each pressing ring is driven by the rotating mechanism to rotate to an assembling position tobe loaded with a pole piece, the pressing rings are sequentially rotated downwards till all the pole pieces are installed, and after a framework is installed through the framework loading mechanism and the framework pressing mechanism, the commutator discharging mechanism removes a commutator from the tools. The assembling efficiency is high.