68results about How to "Simple adjustability" patented technology

The invention discloses a video disc fixing laser. A video disc laser crystal and a laser cavity resonator output lens form a laser cavity resonator; the focus of one of two paraboloid reflectors positioned in a conjugating way is positioned in the video disc laser crystal; a pump light sent by a semiconductor laser stack array is firstly collimated by a pump light collimator, then is imaged on the video disc laser crystal through the two paraboloid reflectors and is output as laser formed through the laser cavity resonator at last. The invention adopts the method of semiconductor stack array and has high efficiency, long service life and convenient equipment maintenance. A double-paraboloid pump system positioned in the conjugating way reduces the requirement for the collimation degree of the pump light and realizes high-efficiency imaging of the pump light. Each secondary pump luminous spot has regular and symmetrical shape, reasonable power density distribution and small position excursion of the light luminous spots for each imaging, and high-efficiency and even pumping is realized. The equipment has smaller volume, simple mechanical structure and adjustment and lighter weight, and is convenient for industrial application.

A shock absorber includes a housing, a piston slidable in the housing, a piston rod extending outwardly from the piston, a cup-shaped stop cap secured to the free end of the piston rod, and an adjusting ring which protrudes from the end of the housing and can be rotated to adjust the damping coefficient by adjusting the open cross-section of throttle openings through which a hydraulic fluid is displaced by the piston. When a load pushes against the stop cap, the maximum travel is limited by the stop cap bearing directly against a rigid end ring of the housing. The load forces are introduced directly from the stop cap into the housing, without applying any loads onto the adjusting ring or other components. The adjusting ring and a return spring coaxially on the piston rod are accommodated within the stop cap in the fully retracted position.

With the present holding device for bicycle saddles with a seat tube (2) that can be inserted into a guide tube (1) of the frame of a bicycle, a saddle carrier (6) arranged at the upper end (2″) of the seat tube (2) as well as a clamping element (7) for fixing the position of the seat tube (2) in the guide tube (1), the clamping element (7) bears against the inner wall of the lower opening of the seat tube (2) at the lower end of the seat tube (2) in a longitudinally displaceable manner and is connected to a tension element (10). The tension element (10) is thereby arranged running in the interior of the seat tube (2) and is connected at its upper end to a holding element (20), wherein the holding element (20) is arranged in the seat tube (2) in a longitudinally displaceable manner with respect to the longitudinal axis (A) of the seat tube (2). The clamping element can thus be easily operated by displacing the holding element (20), which is arranged in the upper region (2″) of the seat tube (2), and a clamping effect between the seat tube (2) and the guide tube (1) from the inside can be achieved. No additional clamping means thus need to be arranged on the outside of the guide tube (1) as well as of the of the seat tube (2).

The invention provides a square-wave pulse laser device, which comprises a nonlinear amplification environment NALM and a pulse laser main oscillation cavity, wherein the nonlinear amplification environment NALM is used for performing intra-cavity pulse shaping on laser pulse; and the pulse laser main oscillation cavity is used for circularly oscillating a square-wave laser pulse sequence in the nonlinear amplification environment NALM and the pulse laser main oscillation cavity and generating and outputting square-wave laser pulse. The invention also provides a square-wave pulse laser generating method, which comprises the following steps of: inputting continuous laser to excite a working substance to generate primary laser pulse; and performing intra-cavity pulse shaping on the primary laser pulse through the nonlinear amplification environment NALM, and circularly oscillating the primary laser pulse in the nonlinear amplification environment NALM and the pulse laser main oscillation cavity to generate the square-wave laser pulse. According to the pulse laser device and the method provided by the embodiment of the invention, the pulse laser device can directly output the square-wave laser pulse and has the characteristics of self start and simple adjustment.

A shock absorber includes a housing, a piston slidable in the housing, a piston rod extending outwardly from the piston, a cup-shaped stop cap secured to the free end of the piston rod, and an adjusting ring which protrudes from the end of the housing and can be rotated to adjust the damping coefficient by adjusting the open cross-section of throttle openings through which a hydraulic fluid is displaced by the piston. When a load pushes against the stop cap, the maximum travel is limited by the stop cap bearing directly against a rigid end ring of the housing. The load forces are introduced directly from the stop cap into the housing, without applying any loads onto the adjusting ring or other components. The adjusting ring and a return spring coaxially on the piston rod are accommodated within the stop cap in the fully retracted position.

The invention relates to a self-sealed deodorization overflow-prevented floor drain. The principal part of the floor drain is set a bevel technology imbricated plate that has a knock-down block-type discharging pipe with tongue in it. There is sealed cushion at the bottom of the discharging pipe, and the dummy club matched to the tang on the inner wall of corresponding to the principal part of the floor drain is set outside of the pipe. Inner the discharging pipe there is discharging clamp plate with axial sleeve that has water leakage hole and an active discharging sewage storage pot. In the axial sleeve there is a clamp plate permanence magnet. The discharging clamp plate connects to the adjusting axial sleeve by screw. Lifting shaft is set in the adjusting axial sleeve and its top has lifting shaft permanence magnet. The self-sealed tie plate is connected to lining plank by locknut. The invention has a wide using foreground.

The invention relates to a wheel suspension for vehicles, with a vehicle body (2) and wheels (3, 4) articulated on the vehicle body by means of wheel suspension parts (5, 6, 7, 8, 9, 10). The wheel suspension parts of each wheel oscillate during the driving mode, and contain a wheel carrier supporting the wheel rotatably about a wheel axle and links connecting said wheel carrier to the vehicle body. The relative movement between the vehicle body and wheel suspension parts can be detected by means of detecting means. Articulation positions (15, 16) of the same and / or other wheel suspension parts can be automatically changed by at least one actuating means depending on the relative movements detected by the detecting means. At least one first and at least one second detecting means (21, 22) are respectively assigned to first and second vehicle sides of a vehicle axle.

A PMD emulation, measurement and compensation device is based upon an emulation device having a piece of fiber having a fixed differential group delay (DGD) and another short piece of fiber (or double refracting crystal) having a variable differential group delay (T-DGD). The two pieces of fiber are coupled with a non-zero torsional angle between their respective double refractive axes, preferably 45°. A fiber squeezer / stretcher is used to provide the variable DGD for the short piece of fiber. Various serial couplings of DGD and T-DGD fiber may be added to provide greater control and accuracy, with the torsional angles preferably alternating. Such an emulation device may be incorporated into a measurement device to measure the PMD-related distortion of an optical signal. Further the measurement device may be used in a PMD compensator where an emulation device in series with the optical signal path is controlled until the measured PMD in the PMD-related distorted optical signal is minimized.

The invention discloses a verticality control device for slip-form construction of a high bridge pier. The device comprises a template truss installed on the high bridge pier and in the shape of a cuboid, four horizontal pipes, two dividing rulers, four laser emitters, and four laser reception areas. The horizontal pipes correspond to each top side of the template truss one by one and arranged on all top sides of the template truss. The two dividing rulers are arranged on a pair of side surfaces of the template truss. Each dividing ruler is provided with two laser emitters. The four laser reception areas are arranged on a support table and correspond to the laser emitters one by one and are used for receiving corresponding lasers emitted by the laser emitters. The verticality control device for slip-form construction of the high bridge pier has following beneficial effects: by controlling positioning in horizontal and vertical directions, measurement and examination of a template during slip-form construction is replaced; horizontal adjustments and vertical positioning can be carried out easily and rapidly to ensure perpendicularity of the high bridge pier; at the same time, perpendicularity of the high bridge pier can be reexamined at any time; and timeliness is obtained.

The invention relates to automatic rope stringing equipment. The equipment comprises a heading machine unit (141), a rope pulling, cutting and stringing unit (142) and a feeding and collecting unit (143); the heading machine unit (141) comprises a rope supplying mechanism arranged on a machine frame, a rope tension control mechanism (126) and a rope end forming mechanism; the rope pulling, cutting and stringing unit (142) comprises a rope pulling and cutting device and a rope stringing device, wherein the rope pulling and cutting device and the rope stringing device are sequentially arranged, and the rope pulling and cutting device is opposite to the rope end forming mechanism; the feeding and collecting unit (143) comprises a feeding mechanism and a collecting mechanism, wherein the feeding mechanism and the collecting mechanism are sequentially arranged on the machine frame, a paper product locating mechanism is arranged at the rear end of the feeding mechanism, and the rope stringing device is arranged above the paper product locating mechanism. Compared with the prior art, the equipment has the advantages that the production efficiency is high, the processing quality is stable, operation is convenient and maintenance is convenient.

An optical arrangement for spatially separating an illumination light beam and a detection light beam includes an acousto-optical component that splits the detection light beam by birefringence. A compensation element is provided that compensates, in a single passage of the detection light beam, for the splitting of the detection light beam.

The invention discloses a spindle bearing of a CT (Computed Tomography) machine, which comprises an outer ring (1), an inner ring (4), a second inner ring (8), a steel ball (3) and a retainer (7). A structure that a combined inner ring and the outer ring are provided with teeth or are not provided with the teeth is formed by the inner ring and the second inner ring, and the steel ball and the retainer are arranged between the combined inner ring and the outer ring; or a structure that a combined outer ring and the inner ring are provided with teeth or are not provided with the teeth is formed, and the steel ball and the retainer are arranged between the combined outer ring and the inner ring. The problems of high processing difficulty, complex structure and high production cost of the existing wire raceway bearing and thin-wall uniform-section bearing are solved. Under the condition with the same appearance size, an embedded structure is changed into an integrated structure, so that the aims of simplifying a machining process, reducing the production cost, prolonging the service life and improving the reliability are fulfilled.

The embodiments of the invention provide a method and a device for reducing a self-absorption effect of a spectrum and are applied to an LIBS system. The method includes the steps of adjusting a defocus amount in a unit of a first preset value based on an initial defocus amount to achieve parameter traversal on a to-be-tested element in a calibration sample set, and stopping parameter traversal when the parameter satisfies a preset rule; based on the parameter, obtaining a calibration curve for quantitative analysis of the to-be-tested element in the calibration sample set under different defocus amounts; based on the calibration curve, calculating self-absorption coefficients corresponding to the to-be-tested element under different defocus amounts and saving; selecting the maximum one of the self-absorption coefficients, and using the defocus amount corresponding to the maximum one as the optimal parameter for reducing the self-absorption effect. According to the method and the device, provided by the invention, parameter traversal is realized by adjusting the defocus amount, and the parameters corresponding to the optimal self-absorption effect of the spectrum are calculated and selected according to a traversal result, so as to obtain a thin and uniform plasma with low electron density at low temperature.

In a Laval nozzle (10) having a flow channel (12), which has a flow cross-section (14) extending in a convergent-divergent manner, according to the invention the flow channel (12) comprises mutually opposing first flow channel walls (16, 16′), which are formed by two nozzle bodies (18, 18′) spaced a fixed distance apart from one another. Two mutually opposite second flow channel walls (20, 20′), which can be moved relative toward one another or away from one another for adjusting the flow cross-section (14) of the flow channel (12), are disposed between the nozzle bodies (18, 18′).

The present invention provides a flexible dual-energy detector module, and detectors and a detection device based on the same. The detector module includes: a first scintillator layer; a first flexible PD array which is attached to a surface of the first scintillator layer and includes a plurality of first flexible PD units arranged in an array, wherein the first flexible PD array and the first scintillator layer form a low energy detecting structure; a second scintillator layer which is located on one side of the low energy detecting structure; and a second flexible PD array which is attachedto a surface of the second scintillator layer and includes a plurality of second flexible PD units arranged in an array, wherein the second flexible PD array and the second scintillator layer form ahigh energy detecting structure. The second flexible PD array and the first flexible PD array are prepared based on the same flexible substrate. Through the above scheme, the high energy detecting structure and the low energy detecting structure are combined into one, and the design and connection of a reading circuit are simplified. Based on the flexible PD arrays, the alignment and adjustment ofeach PD module are simple, and each PD unit is enabled to absorb the almost equal amount of rays without modularizing the detector.

The invention belongs to the airplane maintenance tool technology, and particularly relates to a cart type adjustable frame. The cart type adjustable frame is composed of a cart body and an adjustable bracket. The cart body comprises a cart body base, wheels, a supporting frame and foundation bolts. The wheels are arranged on the lower portion of the cart body base. After the cart type adjustable frame arrives at an appropriate position, the cart body is fixed through the foundation bolts penetrating the cart body base, and the supporting frame used for supporting the adjustable bracket is arranged above the cart body base. The adjustable bracket comprises height adjustment lead screws, a guide rail, a transverse lead screw, a fixed supporting plate, a movement supporting plate and a movable supporting plate. The height adjustment lead screws are arranged on the supporting frame of the cart body base. The guide rail is arranged on the height adjustment lead screws. The transverse lead screw is fixed through the fixed supporting plate and penetrates the movement supporting plate and the movable supporting plate. The cart type adjustable frame is convenient to move, the height and the position are easy to adjust, pre-decomposed parts like short wings can be safely and effectively supported, a large amount of labor and a large number of material resources are saved, and maintenance can be more convenient, safer and more reliable.

The invention relates to a spreading device (18) for continuously applying spread material (14) to an endless forming belt (16), comprising: for discharging the spread material from a spread material silo (12) The discharge roller (22); and the guide device (24) arranged between the discharge roller (22) and the forming belt (16) to further convey the unloaded spread material (14), wherein the guide device (24) It is configured to be adjustable in order to influence the spreading accuracy and / or the lateral distribution of the discharged spread (14) across the width (17) of the forming belt (16). The invention also relates to a method for continuously applying a spread material (14) to an endless forming belt (16) and a structure (10) for continuously producing material sheets. With the above devices, methods and structures, it may be possible to compensate for constant errors in the spread.

The invention provides a controllable multi-component cathode arc plasma generating apparatus and method thereof, relates to plasma generating apparatus and method. Composite multi-component target material mode is adopted in current multi-component composite membrane preparation, but the composite target material is difficult to make, and the aim of the invention is to solve the problem. The apparatus is characterized in that: the cathode connecting to cathode base is disposed in arc chamber under the cathode; a triggering board is also disposed in the arc chamber; the arc chamber is connected to filtering chamber through a connection pipe. The method comprises: vacuumizing the arc chamber to 1X10<-1>Pa; loading 4KV trigger pulse on to the trigger electrode to ignite the cathode, to form multi-component cathode arc plasma in the filtering chamber while the discharge current is 40-200A and the filtering magnetic field strength is 200 gauss. The invention adopts multiple pure metal cathodes as cathode, simplifies preparation, avoids preparation difficulty of composite multi-component cathode caused by is high hardness. The multi-component cathode arc plasma generated in the invention is simple in component and density adjustment.

An apparatus for the conduction of light. The apparatus includes two concave refracting elements, such as spherical mirrors or concave gratings, such that a connecting line segment between centers of the elements forms with a main axis of a first element an angle of incidence in excess of zero, and with a main axis of a second element an angle of incidence equal in size but in a plane perpendicular to the plane defined by the connecting line segment and the main axis of the first element. Thus, astigmatism error can be corrected. The apparatus is applicable in optical analyzers for conduction of measuring light to or from a sample.

A barbecue grill (1) includes a housing (2) for receiving the charcoal and a plurality of functional parts (4) fastened to the housing (2) on an inner side (3) of the housing (2). Each functional part (4) has a plurality of bearing surfaces (6), onto which a cooking grid (5) is able to be positioned. The cooking grid (5) is positioned on corresponding bearing surfaces (6) of the functional parts (4) depending on the orientation of said cooking grid (5) at variable distances from the charcoal. Each functional part (4) forms bearing surfaces (6) arranged offset relative to one another vertically and in the peripheral direction of the housing (2).

Disclosed are a device and a method for perforating films. The device comprises a cutting edge and an opposite cutting edge, wherein the opposite cutting edge includes a pattern, which cooperates with the cutting edge along an action line in a manner that a film is perforated in the contact areas of the cutting edge and the opposite cutting edge. In the method using the device for perforating films, the cutting edge is used in cooperation with the pattern of the opposite cutting edge so that a ratio of perforation to non-perforation of the film is defined by the distribution of the pattern along the action line. Thus, a punching slot or the like can be provided on the opposite cutting edge, so that a simple cutting edge which can be replaced inexpensively when worn is used.

An apparatus (1) into which a first stack (2) of record carriers to be printed and a second stack (5) of record carriers to be scanned can be inserted and which has holder means (25) for holding the first stack, which has load-exerting means (50) for urging the first stack (2) towards the withdrawal means (50), actuating means (63) for moving the load-exerting means (56) and guide means for guiding a record carrier (11) to be scanned, the actuating means (63) for moving the load-exerting means (56) are, in addition, configured as guide means for guiding a record carrier (11) to be scanned.

A method is described for separating a C2-, C2 / CO2-, C2+-, or C3+-rich fraction from a hydrocarbon-rich fraction, wherein the hydrocarbon-rich fraction is depressurized in a single- or multi-stage fashion and subjected to a rectifying methane separation, and the methane-depleted fraction gained from the methane separation is subjected to a rectifying C2, C2 / CO2, C2+ or C3+ separation. According to the invention, the sump heating (E2) of the rectifying methane separation (M) is connected via a C3 refrigeration circuit (V4, E4, E5, 20 - 27) to the head cooling (E3) of the rectifying C2, C2 / CO2, C2+ or C3+ separation (E).

A two-way gas distribution device for large gas generator belongs to the field of gas generator device. The gas distribution device is especially applicable to a large-diameter hearth with the diameter Phi of 3.4m, 3.6m and 3.8m. The gas distribution device comprises a central gasification agent branch pipe (5) and a gas stove body (9) and is characterized in that a periphery gasification ring pipe (8) is arranged between the central gasification branch pipe (5) and the gas stove body (9), the periphery gasification ring pipe (8) surrounds outside the gas stove body (9) and is connected with the central gasification agent branch pipe (5) by a periphery gasification branch pipe (7) and a periphery branch gasification agent regulating valve (6), and the periphery gasification ring pipe (8) is provided with a plurality of gasification agent distribution regulating devices communicated with the gas stove body (9). The invention has the advantages that the gas distribution device can cause the gasification agent to be evenly distributed in the whole hearth space; the gasification agent distribution amount in the hearth can be easily adjusted; and the stove can be simply and fast adjusted when the stove is in deviation.

The invention discloses a distributor. The distributor comprises a shell and movable insertion plates, wherein a flow path cavity is arranged in the shell; the flow path circuit comprises a main flow path cavity and four branch flow path cavities; the main flow path cavity is communicated with each branch flow path cavity respectively; the movable insertion plates are used for separating the main flow path cavity from the branch flow path cavities. The distributor provided by the invention is simple in structure; different proportion requirements can be met by quickly adjusting the flow speed of the materials in the cavities.

A hand-guided sweeper (1) includes a guide rod (3) on which a handle (24) is mounted for guiding the sweeper (1) over the ground. The sweeper (1) has at least one sweeper brush (10), which is driven in rotation by a drive motor (2), and at least one wheel (5). The wheel (5) and the sweeper brush (10) lie against the ground during operation of the sweeper (1). The sweeper (1) has a first adjusting device (50) which permits an adjustment of the guide rod (3) relative to the sweeper brush (10) about a vertical axis (43) referred to the ground.

The invention relates to an artificial limb casing (1) having an insertion opening (4) for inserting the artificial limb, wherein a joint area (3) to which an end area (2) is integrally connected is formed on the casing (1). The invention further relates to a method for producing an artificial limb casing (1), wherein a textile intermediate layer (8) is applied to the outside of a hollow polyurethane substrate (9), and a silicone layer (7) is applied to the textile intermediate layer. The casing (1) is made of an elastomer material that has a lower Shore hardness in the joint area (3) than in the end area (2).