50results about How to "Simple and reliable adjustment" patented technology

A movement conversion device (4) for a motor-driven, hand-held, power tool (2) for converting a rotational movement into a linear reciprocating movement includes an axially reciprocating spindle (10), a motor-driven driving gear (20), an eccentric member (16) displaceably supported on the driving gear (20) and extending into the connecting link guide (14) provided at a spindle end for converting the rotational movement of the driving gear (20) into the reciprocating movement of the reciprocating spindle (10), the eccentric member (16) having a first position with respect to a rotational axis (D) of the driving gear (20) in which a distance (a) between the eccentric member (16) and the rotational axis (D) is greater than in at least one second position of the eccentric member (16), and a load-controlled spacing device associated with the eccentric member (16) for automatically adjusting the distance (a) between the eccentric member (16) and the rotational axis (D) of the driving gear (20).

The invention discloses a method for constructing a small-radius curve ballastless track. The method comprises the steps of construction preparation, working face cleaning, measuring paying off, reinforced banding, multifunctional track adjuster erecting, benchmark track erecting and adjusting, servo rail erecting and adjusting, sleeper fastener suspending, formwork erecting, a track panel fine adjusting and locking, concrete casting, concrete curing, and multifunctional track adjuster and formwork dismounting. The method is used for constructing the small-radius curve ballastless track of an urban railway system, and capable of achieving small-radius non-track construction in the field of the urban railway system, and the minimum construction curve radius can reach 100 m.

Disclosed is a high-pressure high-flow alternating-current servo direct-driven threaded flow valve. An alternating-current servo motor directly drives a valve spool to open and close by the aid of transmission of threads, and the threads only need to transmit driving force on a single side during integral operation of the valve due to hydraulic force, and are selectively one-way transmission saw-toothed threads. The valve is simple in structure, accurate in control and convenient in use, can be directly digitally controlled by a computer and has excellent buffering and positioning performances, the requirement on positioning at an optional point can be met, a closed-loop system with an electrical feedback function can be realized, particularly, the problem that an original servo valve is sensitive to oil pollution can be effectively solved, and shortcomings that the original servo valve is used difficultly in high-pressure and high-flow environments and the like are also overcome. In addition, the valve is wide in working pressure range and high in flow, and can also work under extremely low oil supply pressure, the dynamic performance of the valve is rarely affected by the oil supply pressure, and the efficiency of a system can be improved due to the fact that intermediate transmission links are few.

The invention provides a combined type flow valve for liquid of a high-pressure large-flow alternating current servo direct-drive machine. An alternating current servo motor drives a push rod through the transmission of a thread and the push rod acts on a hydraulic transmission cavity which is sealed with hydraulic oil; when the push rod moves, the inner volume of the hydraulic transmission cavity is changed and a valve core moves to the same side to compensate the change of the volume, so that the movement of the valve core is controlled through controlling the movement of the push rod. The valve has the advantages of simple structure, accurate control and convenience for use, can directly use a computer to carry out digital control, has good buffering and positioning performances, can meet the requirements of positioning any point, can realize a closed ring system of electric feedback, and especially can be used for better solving the problem that the previous servo valve is sensitive to oil liquid pollution. The valve is wide in working pressure range and large in flow and can work under a very low oil supply pressure, and the dynamic performance is not greatly influenced by the low oil supply pressure; and the valve has fewer middle transmission links so that the efficiency of the system can be improved.

An elevator control method is provided, where the elevator motor is controlled in such manner that the velocity of the elevator follows a speed reference. When the elevator is decelerating, the motor is controlled by a speed adjustment method during the initial deceleration phase, and during the final deceleration phase the motor is controlled by a position adjustment method. The instant of transition from speed adjustment to position adjustment is determined substantially using the elevator speed curve.

A CT system is disclosed for generating tomographic recordings of an examination object. In an embodiment, the CT system includes at least a gantry with a rotatable support for receiving components of the CT system, and a cooling system for cooling the components secured to the gantry with at least one air duct. In at least one embodiment, an incoming-air duct of the cooling system is divided into at least two segments to ensure uniform pressure distribution in the incoming-air duct.

An inking device of a printing unit includes an ink reservoir, an ink film pick-up roller which has a shaft, and an inking roller having a shaft.

A detector detects the distance between the inking roller and the pick-up roller and/or an angular displacement of the two shafts relative to each other and providing an output signal which represents this distance and/or this angular displacement. A controller angularly the second shaft relative to the first shaft, and the controller is capable of reducing the angular displacement and of positioning the pick-up roller in accordance with the output signal.

A door hinge has two hinge leaves joined together at a knuckle defining a hinge axis about which the leaves are relatively pivotal. Top and bottom sheet-metal parts forming a housing surround one of the hinge leaves. The top part is formed with a plurality of downwardly projecting side flaps each projecting toward and bearing on an upper face of the bottom part. Each side flap is formed with at least one downward projecting tab that extends past, is bent over, and bears upward against a bottom face of the bottom part. Two rotatable adjustment spindles are each journaled in the housing and threaded in the one leaf so that rotation of the spindles moves the one leaf in a first direction perpendicular to the hinge axis.

The invention provides a boiler pulse soot-blowing method, which comprises the following steps: filling mixed gas of inflammable gas and air into a tank body, and then filling water into an outlet pipe and a nozzle connected with the tank body; igniting the inflammable mixed gas, and then spraying the detonated gas along with water out of the nozzle; filling air into the tank body, the outlet pipe and the nozzle, and then eliminating waste gas; and finally repeating the above steps to form a water-containing pulse shock wave at the outlet of the nozzle for carrying out boiler soot-blowing. The invention further provides a boiler pulse soot-blowing device for realizing the method, and the boiler pulse soot-blowing device is composed of a gas pipeline and a metering input distributor, an air pipeline and a metering input distributor, a water supply pipeline and a metering input distributor, a shock wave generator, a nozzle, a water inlet pipe and a water inlet valve, wherein the nozzle is equipped with a water jetting pipe communicated with the water inlet pipe, and the water inlet pipe is equipped with the water inlet valve. The boiler pulse soot-blowing device of the invention has simple structure, wide application range, convenient and flexible operation and long service life.

The invention relates to a method for the optimizing the adjustment of the deformation geometry of a deformation tool (12) which is used to deform a sheet (10), especially sheet metal for a vehicle body. To this end, the sheet (10) is preformed by means of the deformation tool (12) to be adjusted, and at least one partial region deformation is then applied to the sheet meal (10) by means of a test tool (16) in order to correct the geometry of the sheet, and once the permissible sheet geometry is achieved, the geometry of the partial region deformation (14) is used to adjust the deformation geometry of the deformation tool (12).

The invention belongs to the technical field of clocks, and discloses a smart watch with a conveniently replaceable watch strap. The watch comprises a movement and a watch strap, two ends of the movement are fixedly connected to connecting blocks, connecting grooves are formed in the upper and lower surfaces of the connecting blocks, positioning holes are formed in the middles of the connecting grooves, hollow grooves are formed in the side walls of the connecting blocks, middle baffles are fixedly connected to the middles of the hollow grooves, stabilizing assemblies are arranged in the hollow grooves, fixed frames are slidably connected in the middles of the hollow grooves, clamping grooves are formed in the upper and lower frame edges of the fixed frames, sliding through holes are formed in two sides of the hollow grooves, sliding blocks are fixedly connected to both side walls of the fixed frames, the sliding blocks penetrate through the sliding through holes and are fixedly connected to push buttons, ends of the watch strap are rotatably connected to connecting frames, positioning columns are fixedly connected to the bottoms of the connecting frames, pass through the positioning holes and are matched with the clamping grooves, and an adjusting assembly is disposed in the middle of the watch strap. The smart watch has the characteristics of stable connection, rapid and stable connection, convenient watch strap replacement, comfortable wearing feeling, beautiful appearance, and adaptation to different requirements of people.

The present invention relates to an energy absorption system. The energy absorption system comprises a movable carriage, a fixed bearing and a deformable material strip. The deformable material strip is at least areally connected to the fixed bearing. Between the movable carriage and the fixed bearing a gap is formed. The energy absorption system further comprises means, which are suited to vary the size of the gap between the movable carriage and the fixed bearing.

The invention discloses a rapid pre-pressing device for a contact spring. The rapid pre-pressing device comprises a base, a contact seat support and a cam support, a cam and a guiding strip, wherein the contact seat support and the cam support are arranged on the base at intervals along the axis direction of the base; a clamping hole used for clamping an upper contact spring seat in a contact spring assembly is formed in the contact seat support; the cam is arranged on the cam support in an eccentric axially mode; an operation handle is arranged on the cam; the guiding strip is glidingly arranged on the base; a pin shaft is fixed on the guiding strip, and the first end of the pin shaft is in contact with the cam peripheral surface of the cam; and a guide rod hole is formed in the second end of the pin shaft. The rapid pre-pressing device can be applied to a rapid pre-pressing device of a compression spring, and the assembling mode which cannot be realized by general hand force can be effectively realized; the lever and the cam principle are adopted, so that different stroke changes can be realized by adjusting different cams, and therefore the compression spring compression designof any position can be realized. According to the rapid pre-pressing device, the structure adjustment is simple and reliable, and the implementation scheme is high in economical efficiency.

The invention relates to a device for closing vials by means of caps, comprising a transport apparatus (4) for feeding and removing vials (2) having a feeding region and a removal region; a rotary plate (40), which is arranged between the feeding region and the removal region; and a crimping apparatus (5), which crimps caps placed onto the vials against the vials; wherein the crimping apparatus (5) has at least one crimping roller (51, 52); and wherein the crimping apparatus has a crimping drive (50) for driving the crimping rollers (51, 52).

The invention provides an adjustment mechanism for an airplane ventilating window, comprising an upper adjustment mechanism, a front lower adjustment mechanism and a back lower adjustment mechanism, wherein each adjustment mechanism comprises a rocker arm, a bolt and an idler wheel component. 1mm of the eccentricity is available between the centre line of an idler wheel installing shaft in each adjustment mechanism and the centre line of each corresponding external spline shaft, and the position of a front lower idler wheel is adjusted by rotating a lower idler wheel rotating shaft, so that a ventilating window body can be driven to move, and the distance between the ventilating window body and a lower sliding rail can be adjusted. An installing groove for an adjusting gasket is respectively arranged between the installing shaft and the external spline shaft in each idler wheel component. According to the adjustment mechanism, the ventilating window moving gap can be adjusted by increasing and reducing the quantity of the gaskets of the upper adjustment mechanism and the lower adjustment mechanism; the gaps among the window body, an upper window frame and a lower window frame can be further adjusted by increasing and reducing the quantity of the gaskets of the lower adjustment mechanism; and the idler wheel components are rotated, and the eccentric degree of the splines are changed, so that the adjustment of the jump, the opening and the closing force and the air impermeability of the window body can be realized, the workload can be reduced, and the labor and the time can be saved.

The invention relates to a magnetic-suspension stepless pressure-regulation control device and cooking utensil. The magnetic-suspension stepless pressure-regulation control device comprises a shell, an exhaust device and a regulating device, an air inlet and an air outlet are formed in the shell, the exhaust device comprises a positioning pipe and a first magnet, an exhaust hole and a bubble breaking hole are formed in the positioning pipe which is located in the shell and connected with the inner wall of the shell, and the exhaust hole is communicated with the air inlet. According to the magnetic-suspension stepless pressure-regulation control device, regulation is conducted through the acting force between magnets, the control device is simple and reliable, when the pressure needs to beregulated, the second magnet is driven by a power device to rotate a corresponding angle, and then the pressure can be regulated. The pressure regulation is conducted in the mode, so that stepless pressure regulation is achieved, different pressure extreme values can be obtained according to the needs, when the pressure is higher than the required extreme value, the first magnet is easily pushed away, the pressure is prevented from being over high, the safety is ensured, and the effect of a safety valve is achieved.

A process for adjusting a device including a first piece and at least one second piece, wherein the at least one second piece is fixed to the first piece by a joint made from a first material arranged between the first and second piece. The first material is an at least partially amorphous metal alloy. The process further includes: heating at least the joint to a heating temperature in a range of between a glass transition temperature and a crystallisation temperature of the first material; modifying a position of the at least one second piece until a desired determined position is obtained; cooling at least the joint so that it retains its at least partially amorphous state.

The invention provides a method for accurately focusing light by a diffuse reflection sensor. A light beam emitted by the sensor is emitted out of an automatic ticket checking device in a direct lightbeam form, so that the detection precision is ensured; and a larger opening is not required to be formed, so that the convenience of manufacturing is guaranteed and the attractiveness of the device is guaranteed. A light focusing device is arranged between a light-emitting hole and a transparent window of the diffuse reflection sensor, so that light rays emitted by the diffuse reflection sensor after passing through the light focusing device are straight parallel light beams; and the straight parallel light beams are arranged towards a to-be-detected object.

The present invention pertains to a heat exchanger comprising a container (3) which comprises an inlet section (3a), an intermediate section (3b) which encloses a heat exchanger device (5), and an outlet section (3c) where the first medium is led away from the heat exchanger device (5). The heat exchanger device (5) has a peripheral surface which in at least two areas is located at a distance from an internal surface in the container (3), so that at least two bypass channels (6a-d) are formed for the first medium next to the heat exchanger device (5). The heat exchanger comprises at least flow elements (7a-d) adapted to regulate the flow of the first medium through the bypass channels (6a-d). Each one of said flow elements (7a-d) has a first end section which is jointedly connected to the heat exchanger device (5) and a second free end section which is located at a distance from the heat exchanger device (5).

The invention discloses an excavator multifunctional machine tool flow and pressure control system. The system comprises a main pump, a main control valve, a current-limiting electromagnetic valve, anelectromagnetic valve set, a bidirectional foot valve, a hydraulic control reversing valve, a proportional overflow valve, a stop valve, a one-way machine tool, a bidirectional machine tool, a hydraulic oil tank, a main controller, a control panel and related hydraulic pipelines and electric wire harnesses; and the control panel transmits electrical signals to the main controller, and the main controller separates out four paths of current signals to control the proportional overflow valve, the current-limiting electromagnetic valve, and an A1-connected electromagnetic valve and an A2-connected electromagnetic valve of the electromagnetic valve set correspondingly. According to the system, on the basis of an original multifunctional machine tool hydraulic pipeline, the electro-hydraulic proportional technology and the electric control technology are combined, so that the accurate control over the hydraulic system flow and pressure is realized, the operator only needs to manually inputthe required flow and pressure values on the control panel, and then the system can be used by the different machine tools.