99results about How to "Avoid stuck" patented technology

The invention relates to the technical field of liquid ammonia liquid level meters, in particular to a liquid ammonia liquid level meter capable of automatically cleaning impurities and a method thereof.The liquid ammonia liquid level meter comprises a sampling pipe and a floating ball liquid level sensor installed in the sampling pipe, the floating ball liquid level sensor is used for detecting the position of a floating ball and the height of the liquid level, and the floating ball liquid level sensor transmits detection data to a processor; a heat tracing pipe is arranged on the outer wall of the sampling pipe, a flow meter for introducing inert gas is arranged at the upper end of the sampling pipe, and a blow-down valve is arranged at the lower end of the sampling pipe. Whether the floating ball is stuck or not is judged by automatically detecting the position of the floating ball, then cleaning is achieved by heating and nitrogen introduction for purging under the condition that the floating ball is stuck, and due to the integrated automation technology, the accuracy of liquid level measurement of liquid ammonia and the stability of the system are remarkably improved. According to the device, impurities attached to the liquid level meter can be removed in time, the floating ball is prevented from being jammed, and accuracy and reliability of liquid level measurement data are ensured.

The invention belongs to the technical field of sealing regulating valves, and discloses a magic block type pressure reduction hidden spherical sealing regulating valve which comprises a valve body, a liquid inlet cavity and a liquid outlet cavity are formed in the valve body, a valve seat is arranged between the liquid inlet cavity and the liquid outlet cavity, a multi-stage trapezoidal valve cage is arranged above the valve seat, and the multi-stage trapezoidal valve cage is arranged outside a valve clack in a sleeving mode and pressed on the valve seat. A plurality of flow guide holes with the same specification are evenly formed in the cage wall of the multi-stage trapezoid valve cage in the circumferential direction, the flow guide hole in the lowest position is higher than the sealing face of the valve seat, so that the multi-stage trapezoid valve cage protects the sealing face of the valve seat, and a first anti-scouring layer is formed. A sealing ball protrusion is arranged in the center of the lower portion of the valve clack, and a circle of downward annular protrusion is arranged on the periphery of the sealing ball protrusion. The valve seat is provided with a ball concave part and an annular concave part corresponding to the sealing ball protrusion and the sealing annular protrusion, and the annular protrusion is a second anti-scouring layer. The high-pressure-difference drain regulating valve is reasonable in design, effectively improves the reasonability of the structure of internal parts of the drain regulating valve, greatly improves the sealing performance, can achieve zero leakage and scouring resistance, and prolongs the service life.

The invention relates to the field of machining milling machine equipment, in particular to a furniture machining multifunctional cutter and method.The furniture machining multifunctional cutter comprises a machining milling machine, the machining milling machine comprises a rack, a workbench is installed at the top of the rack, an electric sliding rail is fixedly connected to the rear side of the top of the workbench, and a fixing frame is installed at the top of the electric sliding rail; a chuck is installed at the bottom of the front end of the fixing frame, a flange at the bottom of the chuck is connected with a connecting flange pipe, the connecting flange pipe is installed in the middle of the milling cutter, L-shaped cutter bits which are evenly distributed are arranged on the periphery of the milling cutter, side blades are arranged on the vertical faces of the L-shaped cutter bits, and bottom blades are arranged on the bottom faces of the L-shaped cutter bits. Edge milling work of furniture timber can be achieved through the side edge of the L-shaped tool bit, face milling work of the top of the furniture timber can be achieved through the bottom edge of the L-shaped tool bit, and therefore edge milling work and face milling work of the timber can be directly achieved, tool changing is not needed, multiple purposes are achieved through one tool, and actual timber machining work is facilitated.

The utility model discloses a carbon fiber pipe marine organism removing support, which relates to the technical field of carbon fiber composite pipeline microorganism cleaning equipment, and adopts the technical scheme that the carbon fiber pipe marine organism removing support comprises a support body sleeved on the outer wall of a pipeline in a sliding manner, the support body is annular, and the inner diameter of the support body is larger than the outer diameter of the pipeline; a plurality of universal ball seats are fixedly arranged on the inner wall of the frame body, universal balls are arranged in the universal ball seats, annular cavities are formed in the sides, facing the pipeline, of the universal ball seats, and the universal balls are in rolling fit in the annular cavities. The carbon fiber pipe marine organism removing support has the advantages that the carbon fiber pipe marine organism removing support comprises the support body connected to the outer wall of a pipeline in a sliding and sleeving mode, the outer wall of the support body is connected with the air bag through the first connecting rope, the air bag fluctuates with the help of buoyancy of seawater, the support body can be driven to float along with the air bag, and therefore the outer wall of the pipeline can be better scraped; and therefore, energy is saved, and the device is green and environment-friendly.

The utility model discloses a high-parameter thermal power generating unit depressurization blowpipe temporary system, which belongs to the technical field of unit depressurization blowpipes and comprises a primary steam-water system, a secondary steam system, a target plate device and a silencer which are sequentially connected. The primary steam-water system comprises a separator, a superheater and a main steam pipeline which are connected in sequence, the secondary steam system comprises a hot resteam pipeline, a reheater and a cold resteam pipeline which are connected in sequence, the cold resteam pipeline is provided with a main adjacent blowing door, the main steam pipeline is communicated with the cold resteam pipeline through a high-pressure bypass pipeline, and the reheater is communicated with the high-pressure bypass pipeline. And the high-pressure bypass pipeline is provided with a high-pressure bypass adjacent blowing door. The secondary steam system and the high-pressure bypass system both participate in pipe blowing heat storage, the effective time of pipe blowing each time can be prolonged, the pipe blowing frequency is reduced, high efficiency and energy conservation are achieved, and stress damage to a boiler is relieved.

The invention provides a magnetic suspension type pipe rail system which comprises a pipeline, a feeding opening is formed in one side of the pipeline, a sealing plate is rotationally arranged on the pipeline and used for sealing the feeding opening, a first steel rail is arranged in the pipeline, a suspension frame is arranged below the first steel rail, and the suspension frame is in sliding connection with the first steel rail. A suspension assembly is arranged below the suspension frame, the suspension assembly is used for suspending a transport vehicle body, a linear motor is arranged above the suspension frame, two electromagnets are arranged above the suspension frame, the two electromagnets are symmetrically arranged on the two sides of the linear motor, and the two electromagnets are electrically connected with the linear motor; an induction plate is fixedly arranged below the first steel rail, the induction plate is located above the linear motor, and the induction plate is matched with the linear motor; according to the suspension transportation system, the stability of the suspension system can be improved, and meanwhile, the energy consumption of suspension transportation is reduced.

The utility model relates to the technical field of stamping devices, and discloses an automobile B column inner plate stamping device which comprises a mounting plate and is characterized in that a stamping mechanism is arranged at the top of the mounting plate, a buffer mechanism is arranged at the top of the mounting plate, and the stamping mechanism comprises an ejection assembly and a stamping assembly. The ejection assembly is arranged at the top of the mounting plate, the stamping assembly is arranged at the top of the mounting plate, and the ejection assembly comprises a lower die. According to the automobile B column inner plate stamping device, in the using process, an upper die descends to drive a limiting plate to slide in a sliding groove of a connecting frame, so that the connecting frame cannot be affected when the upper die descends, after stamping is completed, the upper die ascends, the connecting frame is pulled up through the limiting plate, and then an ejection block can be pushed out through the connecting frame; and a plate is ejected out through the ejection block, so that the plate can be automatically ejected out after stamping is completed, the plate can be prevented from being clamped in the lower die, and the working efficiency is effectively improved.

The invention discloses a relay and an electricity meter. The relay comprises an armature assembly, a pushing card, a static contact group, a movable contact group and an anti-short circuit unit. The armature assembly moves in the Y-axis direction, the pushing card and an armature assembly insert are integrally formed in an injection molding mode, the static contact piece set is provided with a reverse overcurrent part, the movable contact piece set is arranged on the pushing card and abuts against or is away from the static contact piece set in the Y-axis direction, and the overcurrent direction of the movable contact piece set is opposite to the overcurrent direction of the reverse overcurrent part in the X-axis direction. The anti-short-circuit unit comprises a first magnetizer group fixed relative to the movable contact group and a second magnetizer group fixed relative to the static contact group, the first magnetizer group and the second magnetizer group form a magnetic loop when the movable contact group is over-current, and at least part of the second magnetizer group is located between the movable contact group and the reverse over-current part in the Y-axis direction. By adopting the technical scheme, compared with a relay in the prior art, when the relay is impacted by fault large current, the movable contact group and the static contact group are more difficult to separate.

The present invention relates to a method for preventing muddy water from entering the precise fitting parts inside a shield knife-changing gate valve, the method is to inject sealing grease into the cavity formed by the outer cylinder of the roller cutter and the valve body on the muddy and water side, the valve body on the tool-changing side and the left and right gate plates, so that the sealing grease is filled and reaches the precise fitting parts, and the sealing grease is used to prevent the external muddy water from contacting the precise fitting parts during the roller cutter replacement process, thereby protecting the precise fitting parts inside the shield knife-changing gate valve; it also relates to a shield knife-changing gate valve structure that prevents muddy water from entering the precise fitting parts inside, an oil filling hole and an inspection hole are arranged on the valve body on the tool-changing side, and the oil filling hole and the inspection hole are respectively connected to the split gate valve. The method, matching grease and structure of the present invention can effectively prevent muddy water outside the shield machine from entering the precise fitting parts inside the gate valve, avoid the gate valve from getting stuck or the seal is damaged, and avoid major safety accidents such as flooding of the shield machine due to gate valve leakage.

The invention discloses a partial stroke activity test method for a steam turbine high and medium pressure main throttle valve and a control valve, and belongs to the technical field of steam turbines, a main throttle valve electromagnetic valve receives an instruction 0 or 1, when the instruction is 0, the electromagnetic valve is powered off, the main throttle valve is fully opened step by step, and when the electromagnetic valve receives the instruction of 1, the electromagnetic valve is powered on, and the main throttle valve is slowly closed; by optimizing the existing steam turbine control system logic and adding partial stroke activity test functions of the high-pressure main throttle valve, the medium-pressure main throttle valve and the medium-pressure control valve of the steam turbine, the valve in a full-open state for a long time can be opened and closed in a small range to prevent the valve from being jammed, meanwhile, the opening change of the valve is small, the steam admission of the steam turbine is hardly throttled, and the service life of the steam turbine is prolonged. And the low side to 8% opening degree of the corresponding side is opened in advance before the medium-pressure control valve moves, and the situation that a medium-pressure main throttle valve is closed to trigger reheater protection is prevented.

The invention relates to the technical field of oil painting brush assembly, and particularly discloses an intelligent pen handle pushing mechanism applied to an automatic bristle loading machine, which comprises a first telescopic piece, a second telescopic piece, a third telescopic piece, a fourth telescopic piece and a fourth telescopic piece, and the first telescopic piece is mounted on a side plate through a mounting plate; and the output end of the first telescopic piece is provided with the first air blowing plate, and the first air blowing plate is provided with a plurality of first air blowing holes. According to the automatic hair filling machine, the air blown out of the first air blowing holes blows down the pen handles blocking the first air blowing holes, so that the pen handles located between every two adjacent first air blowing holes continue to stay on the top plate, and the situation that two or more pen handles which are sleeved together roll to the conveying belt and are conveyed to the automatic hair filling machine can be effectively avoided; therefore, the normal operation of the automatic bristle filling machine is ensured, and the damage of two or a plurality of pen handles which are sleeved together during the operation of the automatic bristle filling machine is effectively avoided.

The invention relates to the technical field of flow regulating valves, in particular to a multi-blade type electric flow regulating valve which comprises a valve body. The valve further comprises a valve element, a cleaning mechanism, a detection mechanism and a driving mechanism, and the valve element, the cleaning mechanism, the detection mechanism and the driving mechanism are all installed on the valve body. The driving mechanism provides power for the valve element, the valve element is matched with the valve body to adjust the flow of liquid, the cleaning mechanism cleans solid particles in the valve element, and the detection mechanism detects the sealing effect of the valve element. Power is provided for the valve element through the driving mechanism, the valve element adjusts the flow of liquid, then when the valve element is completely closed, solid particles in the valve element are cleaned through the cleaning mechanism, the valve element is conveniently and completely closed, and after the valve element is completely closed, the cleaning mechanism is used for cleaning the solid particles in the valve element. And the detection mechanism is matched with the cleaning mechanism to detect the sealing effect of the valve element, so that the practicability of the equipment is improved.

The utility model discloses a kind of anti-clogging filter membrane assemblies, it is related to water filtration technical field, including cylindrical filter membrane and cylindrical hard filter cartridge;The hard filter cartridge is located in filter membrane inside;Hard filter cartridge lower side and upper side are equipped with water inlet pipe and pollution collection box respectively, water inlet pipe is rotatably installed with the impeller rotating with water flow, hard filter cartridge inside is equipped with bracket, and bracket edge is equipped with the brush that is attached with hard filter cartridge inner wall;The impeller is connected with bracket through pivot;The utility model drives impeller rotation by water flow, impeller drives bracket and brush to clean the foreign matter of hard filter cartridge inside, can avoid foreign matter to be stuck on hard filter cartridge;Pollution collection box is set in hard filter cartridge lower side, can accommodate the foreign matter cleaned in large quantity, prolongs the cleaning cycle of hard filter cartridge.

The utility model discloses a deburring device for a transformer framework, and belongs to the field of transformer framework production. A burr removing device for a transformer framework comprises a supporting frame, a cleaning cylinder is rotationally connected to the supporting frame, a hollow pipe is rotationally connected into the cleaning cylinder, a stirring plate is fixedly connected to the outer wall of the hollow pipe, an air spraying pipe is fixedly connected to the stirring plate, and when the stirring plate rotates, the air spraying pipe can spray air; according to the plastic transformer framework collecting device, air can be injected to the outside of a plastic transformer framework, the number of burrs attached to the framework can be reduced, the cleaning time of the outside of the plastic transformer framework can be shortened during collecting, the production efficiency is improved, meanwhile, the guide rods can play a role in guiding the plastic transformer framework, and the production efficiency is improved. And some skeletons are prevented from being left in the cleaning cylinder during discharging, discharging is facilitated, the plastic transformer skeletons are arranged in the cleaning cylinder, then some skeletons are prevented from moving to the discharging opening, and the skeleton cleaning effect is improved.

The utility model provides pressing nut screw thread opposite tapping equipment, and relates to the technical field of pressing nut screw thread opposite tapping, the pressing nut screw thread opposite tapping equipment comprises a processing table, the two sides of the bottom of the processing table are both fixedly provided with supporting legs, the two sides of the top of the processing table are both slidably connected with moving blocks, and the sides, relatively close to each other, of the moving blocks are both fixedly provided with second motors. The swing mechanism is arranged and used for driving the two moving blocks to move left and right in a reciprocating mode, then the moving blocks drive the second motor and the tapping drill rod to move left and right in a reciprocating mode, the tapping drill rod taps the nut when getting close to the nut, after tapping is completed, the tapping drill rod moves in the direction away from the nut, and the second motor controls the tapping drill rod to steer and retreat from the inner ring of the nut. At the moment, the other tapping drill rod is close to the nut and conducts tapping on the nut, due to the fact that tapping is completed, when tapping is conducted again, chippings generated by first-round tapping in a thread groove can be discharged, the chippings are prevented from being clamped in the thread groove, the effect of cleaning the interior of the nut is achieved, and the installation effect of preventing the nut from being pressed is achieved.

The cone crusher with the efficient crushing cone structure comprises a cone crusher body, a crushing movable cone is installed in the cone crusher body in a matched mode, a plurality of first crushing protrusions are distributed on the surface of the crushing movable cone, and a plurality of second crushing protrusions are distributed on the surface of the crushing movable cone. A driving assembly matched with the crushing movable cone is arranged on the lower portion of the cone crusher body. According to the cone crusher with the efficient crushing cone structure, through the multiple first crushing protrusions and the multiple second crushing protrusions which are arranged in a staggered mode, broken stone is conveniently prevented from being clamped in a cavity of the cone crusher in the crushing process; the normal work of the cone crusher is guaranteed, the guide rail is arranged to conveniently drive the two raw material box bodies to sequentially feed materials into the cone crusher, the feeding speed of the raw materials is conveniently controlled, the crushing efficiency and the crushing effect of the cone crusher are guaranteed, and the material blocking plate, the hydraulic cylinder and the sliding groove are arranged to conveniently control discharging at the position of the second discharging channel.

The utility model discloses an anti-coking, impact-resistant and vibration-resistant adjusting ball valve for coal chemical industry black water, and relates to the field of adjusting ball valves. In coal chemical industry black water treatment, a black water medium has the characteristics of high suspended matter content, high temperature, high alkali content, high corrosion content and high-hardness solid particle content, and abrasion, corrosion, coking jamming and driving failure of traditional valve internals are easily caused. Comprising a fixing shaft, a left valve body, a right valve body, a left valve seat, a right valve seat, a ball body, a valve rod and an executing mechanism, the ball body, the valve seats and valve body flow channels are spray-welded with tungsten carbide layers with the hardness larger than or equal to HRC65, the left valve seat and the right valve seat achieve two-way pre-tightening sealing through spiral springs and the ball body, and scraper type cutting edges are arranged on the sealing faces of the valve seats. The valve rod adopts a large-diameter high-strength design and is in anti-rotation connection with the ball body, and the stuffing box adopts a disc spring load limiting and pressurizing structure. The wear resistance, impact resistance and coking resistance are remarkably improved, bidirectional reliable sealing is achieved, stable driving under the high-torque working condition is guaranteed, the service life of the valve is prolonged, and the valve is suitable for the coal chemical industry black water extreme working condition.

The utility model discloses a steam turbine high pressure cylinder rear shaft seal body and contain the shaft seal body's axle end seal structure, wherein, steam turbine high pressure cylinder rear shaft seal body includes the shaft seal main part, the annular seal key of section is L type, steam turbine high pressure cylinder rear axle end seal structure includes end take steam seal body, and rear shaft seal body, and the inner wall of end take steam seal body, and every circle steam seal block installation groove all have inserted steam seal block, form SSR chamber between second compartment and steam cylinder body, and form CF chamber between end take steam seal body, shaft seal main part, rotor axle and steam cylinder body. Advantage: the utility model sets up two independent chambers of SSR chamber and CF chamber, effectively reduces the pressure that end take steam seal body suffered, and steam leakage amount is reduced greatly, breaks through the steam leakage bottleneck of traditional single chamber design, and L type seal's metal face contact is matched with steam cylinder body seal groove, can adapt to steam cylinder body thermal deformation, maintains the stability of sealed clearance, avoids the clearance increase due to deformation.

The utility model relates to pipeline crack detection technical field, concretely to a pipeline crack detection device, including soft pole, detection component, spring, joint component, push and release component and pull ring, the detection component includes detection head, the front side of detection head is installed with camera, the position of the front side of detection head is installed with the lighting lamp ring near camera, the joint component includes the sliding block, the inside of sliding block is opened with first slide hole, the push and release component includes handle, the inside of handle is opened with second slide hole, the outside of handle is provided with the limit sheet at the position of the front end, the outside of detection head is opened with first runner groove. The utility model through detection head and sliding block in the pipeline sliding to the soft pole direction, and the soft pole can freely bend, improve the flexibility of use, through push and release component and promote joint component and press to the rear side change detection component's detection angle of detection component, improve the flexibility of detection component angle adjustment.

This utility model discloses a steel bar processing equipment for construction engineering, including a bending machine body, a protective component, and a pushing component. The protective component includes a bending disc disposed on top of the bending machine body. A support block is fixedly connected to the rear side of the bending machine body. A protective frame is movably connected to the top of the bending machine body via a hinge. The protective frame is located on top of the bending disc. A magnet is fixedly connected to the top of the bending machine body, and the rear side of the magnet is attracted to the front side of the protective frame. An observation window is fixedly connected to the top of the protective frame, and a handle is fixedly connected to the top of the protective frame. The surface of the handle is provided with anti-slip texture. This utility model utilizes the protective component to protect the bending disc and the steel bar, preventing the steel bar and the bending component from being exposed to the outside environment during bending, avoiding contact between external objects and the operating bending component, and preventing debris generated during bending from flying everywhere, thus ensuring high safety.

The utility model relates to the technical field of folding doors, in particular to an electric folding door capable of being opened through remote control, which comprises a fixing frame and a folding door body, the fixing frame is mounted on the right side of the top of the ground, the folding door body is arranged on the top of the ground, and two sliding grooves a are formed in the folding door body. The inner wall of the sliding groove a is slidably connected with a sliding block, a fixing rod is inserted into the sliding block, a moving block is installed at the bottom of the sliding block, a mounting block is slidably connected into the moving block, a brush is installed at the bottom of the mounting block, a sliding groove b is formed in the moving block, and a plurality of springs b are installed in the sliding groove b. The electric folding door has the beneficial effects that when the folding door body moves leftwards to be closed, the movable block can drive the brush at the bottom to clean pebbles on the left side path of the movable block so as to prevent the pebbles from being clamped in a gap between the folding door body and the ground, and therefore the use efficiency and reliability of the electric folding door are improved.

The utility model belongs to the field of electric power transmission engineering, and particularly relates to an electric wire rack based on electric power transmission engineering, which comprises a vertically arranged telegraph pole, a bolt connected between an arc-shaped arm and a convex seat II is dismounted, and then the arc-shaped arm rotates on a convex seat I by taking a positioning shaft as a center; the arc-shaped arm drives the movable plate and the fixed plate to rotate around the positioning shaft on one side far away from the bracket, so that a plurality of cables can be respectively fixed at the positions of the plurality of mounting grooves on the bracket, the movable plate, the fixed plate and the arc-shaped arm are pulled back, the fixed plate is ensured to be lifted upwards in the pulling-back process, the cables are prevented from being clamped, and the service life of the cables is prolonged. The arc-shaped arm and the second protruding seat are fixed again through the bolt, then the fixing plate moves downwards to be spliced with the bracket, different cables are classified, separated and fixed in the multiple installation grooves, and through the structure, the cables are convenient to install and arrange, the cables are stably fixed, and the service life of the cables is prolonged. And the structure is relatively simple, the cost is saved, and the maintenance and long-term use are convenient.

The utility model discloses longitudinal shearing machine divides and cuts the control device of wood strip, include: the mounting plate of being located the upper portion of knife shaft still include: the sliding mouth of being opened in the top outer wall of mounting plate multiple equidistance distribution, sliding mouth one side inner wall is installed with pressure sensor, and the inner wall of sliding mouth other side is installed with support subassembly, the bottom outer wall of mounting plate is rotatably installed with multiple equidistance distribution wood strip subassembly, and the top outer wall one end of mounting plate is installed with the connecting plate, the top outer wall of connecting plate is installed with the controller. The longitudinal shearing machine divides and cuts the control device of wood strip of the utility model, can effectively avoid the strip material to be stuck in the blade, guarantees the continuity of dividing and cutting, promotes the quality of strip material trimming. It can prevent the thinner strip material from being bent by the elastic support structure, and the down pressure can be automatically adjusted for thicker strip material, ensuring the smooth ejection of the strip material, and adapting to the processing needs of strip materials of different thicknesses. At the same time, the device can adjust the height to adapt to different installation and processing scenes.

The utility model belongs to the field of flower basket jigs, and particularly relates to a flower basket jig with a guide structure, which comprises a device main body, a clamp is arranged on the upper surface of the device main body, the clamp comprises a sliding block, a sliding groove is arranged on the inner wall of the sliding block, and the inner wall of the sliding groove is in sliding connection with the surface of a moving plate. A silica gel friction block is fixedly connected to the front face of the moving plate, a sliding groove is formed in the inner wall of the sliding block, and the inner wall of the sliding groove is slidably connected with the surface of the moving plate. According to the flower basket jig with the guide structure, through the arranged clamp, when an air cylinder pushes the clamp to move towards a supporting plate, the surface of the supporting plate extrudes a trigger plate, so that the trigger plate rotates, an arc-shaped push plate rotates, a moving plate is pushed to move forwards, and a silica gel friction block is extruded out of a sliding block; the silica gel friction block can fix the flower basket in the clamp, and the fixing effect of the clamp on the flower basket is improved through friction of the silica gel friction block.

The application relates to the technical field of valves, in particular to a high-temperature material flow regulating device and a control method thereof, which comprises a device body, a spring hanger fixed on the device body, an inlet and return water system, a control system, a monitoring device and a connecting pipe fixed on a discharge port of the device body. The device is aimed at the problems of poor linearity of traditional gate valves and flap valves, insufficient precision of manual regulation and open-loop control, realizes linear regulation of high-temperature material flow through the curved surface fitting design of a valve head and a valve seat, completely solves the disadvantages of small opening sensitivity and large opening sluggishness, accurately adapts to trace regulation requirements, relies on the monitoring device to collect material level and temperature signals in real time, constructs a closed-loop control through a PLC control system, automatically drives an electric actuator to adjust the position of a valve rod, does not need manual intervention, avoids human judgment errors, eliminates high-temperature scene operation safety hazards, greatly improves flow control precision and stability, and solves the problem of instability of a traditional control loop.

The utility model discloses an airplane cable repair binding wire traction tool comprising a main body rod, one side of the main body rod is provided with a fixing mechanism convenient for clamping and fixing a cable, the outer side of the main body rod is hinged with a first swing arm, the outer side of the main body rod is hinged with a second swing arm, one side of the first swing arm is hinged with a cross rod, and the other side of the first swing arm is hinged with a second swing arm. And one side of the second swing arm is hinged to the cross rod. The device is arranged in a cable pipeline, then a new cable is fixed to the fixing mechanism, meanwhile, an extrusion barrel is rotated to extrude a sleeve to move along a main body rod, a third swing arm is utilized to extrude a second swing arm until a cross rod drives a moving wheel to be tightly attached to the inner side wall of the cable pipeline, and then a motor is started to drive the cable pipeline to move. The motor drives the moving wheel to rotate, so that the device moves in the cable pipeline, the cable is pulled to penetrate through the interior of the cable pipeline, the cable is prevented from being clamped in the cable pipeline through active moving and pulling, and therefore the laying efficiency of the cable is improved.

This utility model discloses a quick-assembly fixture for machining centers, applied in the field of machining center technology. It includes a fixture base with four protective cylinders symmetrically bolted inside. Each of the four protective cylinders has a screw rotatably connected inside, and a second bevel gear is bolted to one end of each screw that is close to the others. The protective cylinders protect the screw surfaces, effectively preventing debris from getting stuck in the screw threads. Simultaneously, inclined grooves allow debris to automatically slide outwards from the fixture base, preventing debris accumulation inside and affecting clamping. By synchronously moving the four clamping plates closer or further apart, all four sides of the workpiece can be clamped simultaneously, eliminating the need for individual adjustments and improving clamping efficiency. Furthermore, each clamping plate has an adjustable, telescopic fixing cylinder inside, allowing independent adjustment for each side of the workpiece even when the four sides are unequal, improving practicality.

The invention relates to the technical field of plastic recycling, and discloses environment-friendly equipment for separating and recycling metal and plastic composites.The environment-friendly equipment comprises an internal stress separating box, the upper surface of the internal stress separating box is fixedly connected with a feeding hopper, and the lower surface of the internal stress separating box is fixedly connected with a crushing chamber; the inner surface of the crushing chamber is rotationally connected with a crushing roller, the upper surface of the inner wall of the internal stress separation box is fixedly connected with an electric guide rail, the moving end of the electric guide rail is fixedly connected with a liquid storage shell, and the right side face of the liquid storage shell is fixedly connected with a stainless steel corrugated pipe. As the thermal expansion coefficients of metal and plastic between materials are different, the shrinkage amplitudes of the metal and the plastic are different during rapid cooling, and huge internal stress can be generated on a bonding interface, so that the bonding force of the metal and the plastic is directly weakened or even damaged, and the separation efficiency of the metal and the plastic is improved compared with a common mode.

The invention relates to a flue gas purification technology, and particularly discloses a sintering flue gas multi-pollutant co-processing system, the sintering flue gas multi-pollutant co-processing system comprises an MGGH, a desulfurization device, a GGH, a heating device, a CO removal device and an SCR denitration device, the MGGH comprises an MGGH low temperature section and an MGGH high temperature section, the MGGH low-temperature section, the desulfurization device, the CO removal device, the SCR denitration device and the MGGH high-temperature section are sequentially connected through pipelines in the flue gas flowing direction; the heating device is used for heating to-be-treated flue gas at the gas inlet of the CO removal device. The sintering flue gas multi-pollutant cooperative treatment system has the advantages of full utilization of waste heat and stable system operation.

The utility model discloses a mechanical characteristic monitoring device for a high-voltage circuit breaker, which relates to the technical field of mechanical characteristic monitoring devices for high-voltage circuit breakers, and comprises a press-down adjusting box which is arranged at the lower end in a main body bracket, and a lifting plate is connected in the press-down adjusting box in an up-and-down sliding manner; according to the device, an adjusting lead screw is mounted, so that a transmission rod and a lifting plate can be pushed to move downwards under the rotating operation of a worker, then hydraulic oil in a pressing adjusting box is extruded, the hydraulic oil enters a roller main body through a connecting pipe, and then a telescopic adjusting support in the roller main body extends out; and then the stroke of one-circle rotation of the roller body and the diameter of the roller body are adjusted, the roller body is prevented from sinking into a pit in the field ground, the roller body is prevented from being clamped in the pit, large resistance to movement of the device is avoided, a worker can easily push the device to move, and the transportation efficiency of the device is guaranteed.