40results about How to "Improve limit stability" patented technology

The invention provides an extruder for producing fluorinated silicone rubber hose. The extruder comprises an extruder body, the top of the extruder body communicates with a premixing box, a driving motor is erected at the top of the premixing box, an output shaft of the driving motor is connected with a premixing shaft, the premixing shaft penetrates through the premixing box and is arranged at the inner bottom of the premixing box, a guide hopper is arranged in the premixing box. The guide hopper communicates with the extruder body. The driving motor is started, the premixing shaft rotates, and spiral stirring blades and stirring blades are driven to rotate, so that materials are fully dispersed, the premixing shaft rotates to drive a driving wheel to rotate, the driving wheel is connected with a driven wheel through a belt, the driven wheel rotates, then a longitudinal shaft rotates, a beating block is driven to rotate and is in contact with a coordination block. An extrusion column drives an extrusion sliding block to move, so that materials are extruded, and meanwhile, the beating block rotates to be away from the coordination block, a reset spring is reset, and continuous extrusion is achieved. Furthermore, stirring, premixing and extruding can be synchronously carried out, and the working efficiency of the extruder is improved.

The invention discloses a phased array ultrasonic detection device for a small-diameter pipe weld joint and a working method of the phased array ultrasonic detection device, and belongs to the technical field of nondestructive detection of small-diameter pipes. The fixed ring rail is of a two-petal split structure, a compensation block is arranged in a sliding groove in the circumferential direction of the inner side of the fixed ring rail, and the movable scanning sliding block is arranged on the fixed ring rail in a sliding mode; the movable scanning slide block is connected with a size measuring assembly, a probe mounting assembly and a roller encoder; the probe mounting assembly comprises a connecting part and a fixing part, the connecting part is connected with the movable scanning sliding block, the fixing part is connected with the probe clamping device, the probe clamping device is connected with the phased array ultrasonic probe, and the connecting part is connected with the fixing part through a joint mechanism; a roller of the roller encoder is in contact with the outer side of the fixed ring rail; and the phased array ultrasonic probe and the roller encoder are respectively connected to the phased array ultrasonic detector through connecting wires. The phased array ultrasonic detection device is reasonable in structural design, and phased array ultrasonic detectionof butt welds of small-diameter pipes made of various materials and with various pipe diameters can be completed quickly, accurately and stably.

The invention discloses a novel torque limiting valve and a hydraulic-control torque limiting system with the novel torque limiting valve. The novel torque limiting valve and hydraulic-control torque limiting system with the novel torque limiting valve comprises a torque limiting unloading valve and a torque limiting control valve. A control oil port of the torque limiting unloading valve is communicated with a control oil port of the torque limiting control valve. A first oil port of the torque limiting unloading valve and a second oil port of the torque limiting unloading valve are communicated with a first derricking cylinder through a one-way balance valve. A third oil port of the torque limiting unloading valve and a fourth oil port of the torque limiting unloading valve are communicated with a second derricking cylinder through a first bidirectional balance valve. A fifth oil port of the torque limiting unloading valve is communicated with a telescopic cylinder through a second bidirectional balance valve. A first oil port of the torque limiting control valve is communicated with a rodless cavity of the first derricking cylinder, and a second oil port of the torque limiting control valve is communicated with a rod cavity of the first derricking cylinder. The novel torque limiting valve and hydraulic-control torque limiting system with the novel torque limiting valve has the advantages that the unloading part of the torque limiting valve can control five actions; five groups of one-way valves and a hydraulic control one-way valve from a main oil way, the flow capacity is strong, the oil ways are independent, and interference does not exist.

The invention discloses an ultrasonic hardware washing device. The ultrasonic hardware washing device comprises a positioning plate, a workbench, a washing cavity, an ultrasonic transmitter, a limiting assembly, a cleaning assembly and a circulating flushing assembly. Supporting legs are mounted at the positions of the four corners of the bottom end of the positioning plate, and the workbench is mounted at the center position of the upper surface of the positioning plate. As the limiting assembly is arranged, a workpiece can be stably positioned and mounted, and the overall limiting stabilityof the device is improved; meanwhile, as suspended positioning treatment is carried out on the workpiece, the workpiece can be precisely cleaned conveniently in the following process; meanwhile, as the cleaning assembly is arranged, sweeps on the workpiece can be synchronously treated stably through gas; and meanwhile as the circulating flushing assembly is arranged, under opposite effects of twosets of first conveying pipes and second conveying pipes, impurities on the surface of the cleaned workpiece can be synchronously cleaned away stably, the workpiece is subjected to two-way washing treatment in this way, and the overall washing effect is guaranteed.

The invention belongs to a kind of sports training equipment, and in particular relates to a relay race training equipment, including a treadmill, a column arranged on one side of the treadmill through a linear drive device, a swing device arranged on the column, and a device connected to the swing device. The pick-and-place device, the swing device is used to simulate the shaking and flipping of the pick-and-place device during the running process of the passer and the baton receiver. The pick-and-place device includes a pick-and-place body. The slot is provided with a limit plate for limiting the position of the baton and a driving mechanism for driving the limit plate to move along the baton. The bottom of the storage tank is provided with an active rolling wheel, and the storage tank is also equipped with a sensor for whether the baton is in place and whether the baton is in place. As for the position sensing device, the present invention is provided with a linear drive device, a column, a swing device and a pick-and-place device on one side of the treadmill, and can perform reciprocating training in two training modes of passing the baton or taking the baton while exercising on the treadmill.

The invention discloses a portable platform mechanism used for industrial digital printing of shoes. A first sliding groove and a second sliding groove are formed in a base. A first sliding wheel is arranged in the first sliding groove. A second sliding wheel is arranged in the second sliding groove. A first sliding plate is mounted on the first sliding wheel. A limiting mechanism used for limiting a shoe mold is mounted on the first sliding plate through a hinge. A first limiting plate is mounted on one side of the first sliding plate. A second piston is mounted on the first limiting plate. Asecond piston shaft is mounted on the second piston. A second limiting plate is mounted on the second piston shaft. A first buffer plate is mounted on the second limiting plate. The second limiting plate is mounted on the second sliding wheel. A third piston is mounted on the second limiting plate. A third piston shaft is mounted on the third piston. A third limiting plate is mounted on the thirdpiston shaft. A second buffer plate is mounted on the third limiting plate. By adoption of the portable platform mechanism, the shoe printing quality and efficiency can be effectively improved.

The invention discloses a building formwork flushing device, and relates to the technical field of building formwork cleaning equipment. The device comprises a feeding mechanism, a brushing mechanism,a shaking cleaning mechanism and a discharging mechanism, wherein the feeding mechanism, the brushing mechanism, the shaking cleaning mechanism and the discharging mechanism are sequentially arranged, the shaking cleaning mechanism is composed of a mounting frame, a conveying mechanism, limiting adjusting mechanisms and a shaking mechanism, a gap is formed in the middle of the mounting frame, thetwo limiting adjusting mechanisms are both arranged in the mounting frame, the limiting ends of the two limiting adjusting mechanisms are oppositely arranged, the conveying mechanism is arranged in the mounting frame and located at the bottoms of the two limiting adjusting mechanisms, and the shaking mechanism is arranged at the side end of the conveying mechanism. According to the device, formworks can be shaken and cleaned through the shaking and cleaning mechanism, so that dirt is shaken off, meanwhile, adhered sewage can be shaken off, and reuse is facilitated.

The invention discloses a building formwork washing device and relates to the technical field of building formwork cleaning equipment. It includes a feeding mechanism, a brushing mechanism, a shaking cleaning mechanism and a feeding mechanism. The feeding mechanism, the brushing mechanism, the shaking cleaning mechanism and the discharging mechanism are arranged in sequence, and the shaking cleaning mechanism is composed of a mounting frame and a conveying mechanism. , a limit adjustment mechanism and a shaking mechanism, the middle position of the installation frame is provided with a gap, the limit adjustment mechanism is provided with two, and the two limit adjustment mechanisms are arranged in the installation frame, and two The limit ends of the limit adjustment mechanism are arranged oppositely, the delivery mechanism is arranged in the installation frame and is at the bottom of the two limit adjustment mechanisms, and the shaking mechanism is arranged at the side end of the delivery mechanism. The invention can shake and clean the template through the shaking material cleaning mechanism, so that the dirt can be shaken off and the adhering sewage can be shaken off at the same time, so as to be reused.

The invention discloses an ultrasonic hardware cleaning device, comprising: a positioning plate, a workbench, a cleaning chamber, an ultrasonic transmitter, a limit assembly, a cleaning assembly and a circulation flushing assembly, and support legs are installed at the four corners of the bottom of the positioning plate , the workbench is installed at the center of the upper surface of the positioning plate. The present invention can stably position and install the workpiece by providing a limit component, which improves the overall limit stability of the device. Cleaning components, so that the waste chips on the workpiece can be stably processed by gas. At the same time, through the circular flushing component, the cleaning can be performed stably under the opposing action of two sets of No. 1 delivery pipes and No. 2 delivery pipes. The impurities on the surface of the finished workpiece are cleaned synchronously. In this way, the workpiece is cleaned in two directions to ensure the overall cleaning effect.

The invention relates to the technical field of motor detection, and provides a fixing tool for a motor stalling test. The fixing tool comprises a positioning base and a clamping mechanism; the positioning base is provided with an accommodating cavity for accommodating the clamping mechanism; the clamping mechanism comprises a lead screw which is hinged to the inner wall of the containing cavity and can rotate around the central axis of the lead screw, and two clamping arm assemblies which are arranged on the lead screw in a sleeving mode and are oppositely arranged. When the lead screw rotates around the shaft clockwise, the two clamping arm assemblies move oppositely in the containing cavity so as to apply bidirectional acting force to the rotor part of the motor to achieve the locking purpose. When the lead screw rotates around the shaft anticlockwise, the two clamping arm assemblies move oppositely in the containing cavity, and therefore the rotor part is unlocked. In conclusion, the fixing tool can apply acting force to the rotor part of the motor from two opposite directions, the centering efficiency of the rotor part of the motor is improved, and meanwhile, the stability of limiting the rotor part of the motor through bidirectional stress is higher.

The invention discloses a range extender for an electric vehicle, which includes an engine and a motor. The crankshaft of the engine is in transmission cooperation with the rotor of the motor. The engine includes a left crankcase and a right crankcase matched with the right side of the left crankcase. The right crankcase itself is deformed to form a housing chamber, which is used to install the oil pump rotor, so that the housing chamber serves as the oil pump casing; on the left crankcase, there are several integrated motor stators around the crankshaft bearing installation hole. The stator mounting boss and the trigger mounting boss used to install the trigger, the left crankcase has at least one limit device to prevent the chain from falling off; the invention integrates the pump body on the right crankcase, which simplifies the operation of the oil pump. The structure; the motor stator can be directly installed on the left crankcase to make the structure of the whole crankcase and the motor compact. At the same time, after the left crankcase is integrated with the stator mounting seat, the concentricity of the stator and the rotor is higher, and the output performance of the motor is more stable.

The invention relates to a positioning fixture for a two-wheeled vehicle, which comprises a support member and at least one set of positioning frames arranged on the support member. The spacer is used to accommodate a wheel of a two-wheel vehicle, and the common end of the two first blocking members of the spacer forms the first outlet of the wheel, and the common other end forms the second outlet of the wheel. A rod-shaped second blocking member provided at an outlet, at least one side of the second blocking member facing the second outlet is provided with a buffer member, and the thickness of the buffer member along the radial direction of the second blocking member is 1 of the radial thickness of the second blocking member / 5‑1 / 2. The setting of the second blocking member and the buffer member simultaneously protects the metal frame and the vehicle of the main body of the positioning jig. A third stopper can be provided at the other end of the positioning frame to ensure that the vehicle is parked in place, and it is not easy to slip out of the jig on a certain slope.

The invention belongs to a kind of sports training equipment, and in particular relates to a relay training equipment, which includes a moving device for simulating the running of passers and baton receivers, a swinging device arranged on the moving device, and a grasping device connected with the swinging device. The swing device is used to simulate the shake and flip of the pick-and-place device during the running process of the passer and the baton receiver. The pick-and-place device includes a pick-and-place body. There is a limit plate for limiting the position of the baton and a driving mechanism for driving the limit plate to move along the baton. There is a rolling wheel at the bottom of the storage tank, and there is also a sensor for sensing whether the baton is in place and the position of the baton in the storage tank. The induction device, the invention includes a moving device, a swing device and a pick-and-place device, which can simulate the training of sparring athletes who pass or receive the baton in the relay race.

The invention relates to a pressure gauge dial plate production method, and relates to the technical field of pressure gauge production, and the method comprises the following steps: S1, carrying out plate-making printing on an aluminum plate through a UV printer, and enabling the surface of the aluminum plate to form a dial plate print; s2, the aluminum plate is carried to a positioning tool, and the aluminum plate is fixed through the positioning tool; s3, identifying the position of a dial plate print through a laser cutting machine, and cutting the aluminum plate through the laser cutting machine to obtain a sheet dial plate; s4, collecting the finished dial plate; and S5, leftover materials are collected. The aluminum plate is cut through the laser cutting machine, the cutting operation of a cutter machine and the punching operation of a punching machine are omitted, the aluminum plate does not need to be carried for multiple times, the workload of production personnel can be reduced, and the production efficiency can be improved.

The invention discloses a use method of an electrical equipment maintenance system, the electrical equipment maintenance system comprises a lifting device, a limiting device and an operation platform, the operation platform is installed on the limiting device, the lifting device is installed at the bottom of the limiting device, the limiting device is composed of two U-shaped limiting grooves, a limiting motor and a limiting gear shaft, and the limiting motor is installed on the limiting gear shaft. Two U-shaped limiting grooves are formed in the bottom of the operating platform, a telescopic rack is arranged on each U-shaped limiting groove, two rack limiting pieces are symmetrically arranged at the bottom of the operating platform, openings of the two U-shaped limiting grooves are reversely formed in the operating platform, the telescopic racks on the two U-shaped limiting grooves are located on the two rack limiting pieces, and the output end of the limiting motor is vertically arranged downwards; the limiting gear shaft is arranged between the two telescopic racks and is in transmission connection with the limiting motor, and the limiting gear shaft is meshed with the two telescopic racks. According to the invention, an operator can conveniently carry out maintenance operation on transformer equipment.