38results about How to "Fine adjustment range" patented technology

An anchor assembly is provided that permits adjustment of the brake shoes in a drum brake to account for wear. The assembly includes first and second adjuster shafts each having a plurality of threads and first and second pilot connectors. The pilot connectors each have a plurality of threads in engagement with the threads of a corresponding adjuster shaft. The pilot connectors each engage one end of a corresponding brake shoe. Rotation of each adjuster shaft causes longitudinal movement of a corresponding pilot connector in engagement with a corresponding brake shoe along an axis to adjust a position of the brake shoe.

An improved vehicle suspension system providing for readily adjustable rearward weight transfer upon acceleration by permitting controlled upward motion of the mid-wheelbase portion of the vehicle and corresponding dynamic change in center of gravity height. The movement of the central portions of the vehicle in an upward direction is controlled and adjusted through a plurality of pivot points and links, together with variable resistance spring and damper means, to provide for optimum dynamic weight transfer onto driven wheels and superior acceleration characteristics under a variety of road surface, vehicle, and environmental conditions.

A hinge plate accommodation element for attaching a hinge plate has a holder bracket that has a first shank for attachment on the frame side and an angled short shank, a bracing plate that is connected with the short shank of the holder bracket, so as to pivot, a pressure plate that is disposed on the bracing plate with binding screws, and can be adjusted relative to the bracing plate by means of activation of the binding screws, and adjusting screws that are inserted into bores of the holder bracket, so as to rotate, and engage into threaded bores of the bracing plate.

The invention is a double-hinged sill for adjustable securing the panels of a handrail system to a floor, the sill has U-shaped channel. A pair of hinged plates is pivotally mounted within the channel. A cylindrical hinge member is provided at the bottom end of each of the hinge plates and extends the length of the hinge plate. A groove for receiving the cylindrical hinge member is provided at the bottom of the sill. The pair of hinge plates is aligned within the sill as mirror images. A series of adjustment and locking screws are provided along the length of the sill and extend there through from either the top of the sill or the sides of the sill and a readapted to selectively impinge against the pair of hinge plates to movably adjust the plates inwardly against a glass panel or outwardly away from a glass panel to vertically align the same and lock it into place.

In the case of a neck support for a chair, the head cushion (6) is articulated, via an articulation bearing (5), on a guide sleeve (4) which can be displaced on a retaining bar (2), which is articulated on the top edge of the backrest (1) of the chair via a further articulation bearing (3), the retaining bar (2) and the guide sleeve (4) being of rectilinear design, this resulting in linear height adjustability of the neck support. The bottom articulation bearing (3) and preferably also the top articulation bearing (5) each comprise a cylinder (7) on the retaining bar (2) and two cylinders (8, 9) on the bearing foot (10) or on the link plate (26), it being possible for the first cylinder (7) to rotate in a controlled manner between the two second cylinders (8, 9) via blocks (13). In particular in combination with a height-adjustable backrest, the neck support according to the invention has an optimum adjustment range for the user's head and neck.

The invention discloses a cluster flow control method and system. The cluster flow control method comprises the following steps: establishing a distributed cluster in a global network, counting the flow of each node in the global network, setting a node flow threshold value of each node, and regulating the actual passing request flow of each node through the node flow threshold value; periodicallycollecting the actual request traffic of the global network through a traffic monitoring program, dynamically monitoring the traffic threshold of each node, and predicting the actual request trafficof each node in the next period; and receiving the flow regulation and control information published by the flow monitoring program through a flow notification program, and transmitting the flow regulation and control information to each node of the distributed cluster. According to the cluster flow control method and system, the overall flow of the whole distributed cluster can be limited, the flow threshold of each node can be dynamically adjusted, and the performance bottleneck of a single node is prevented from influencing the pressure of the whole cluster network.

In a protocol parameter selection method and corresponding device, when previewing a current sequence in multiple predetermined sequences, a corresponding reference performance index radar chart is displayed in a standard radar chart, according to a reference value of each performance index in multiple performance indices obtained in advance on the basis of the current sequence. The standard radar chart is a radar chart generated using the multiple performance indices as components and using as a standard a standard value of each performance index obtained in advance on the basis of at least one sequence. The method and device also include determining, as a sequence required for scanning, a current sequence selected according to the reference performance index radar chart and a performance index currently of interest.

The invention discloses an adjustable power supply linear program control device, comprising a control module used for arranging control flows and program parameters, real-time receiving the real-time voltage and current values collected by a data collecting module, gaining a comparison result after comparing the real-time voltage and current parameter values with the given voltage and current parameter values, carrying out the rotation speed control of a motor module according to the comparison result till that the real-time voltage and current values collected by the data collecting module are equal to the given voltage and current parameter values or the adjustment of the voltage and current complies with the given program parameters, and stopping driving the motor module; the data collecting module used for sending the collected real-time voltage and current values of the adjustable power supply to the control module; the motor module used for receiving the driving of the control module and adjusting an adjusting knob used for adjusting the adjustable power supply. The adjustable power supply linear program control device realizes automatic control and automatic disposal to the power supply adjustment and data collection of voltage and current and avoids the problem that errors can be caused by manpower factor.

The invention relates to a medical or dental treatment chair (1) having a seat part (2), a back part (4), a carrier part (16) arranged on the back part (4), an intermediate lever (23) which with its one end is pivotably connected with the carrier part (16), a head support lever (24) which with its one end is pivotably connected to the other end of the intermediate lever (23) and carries a head support pad (21), and an intermediate lever adjustment motor (M3) which is effective between the carrier parts (16) and the intermediate lever (23). For the support function there is provided a head support lever adjustment motor (M4) which is effective between the intermediate lever (23) and the head support lever (27).

The invention discloses a gas-fired boiler control system. The gas-fired boiler control system includes a boiler body, a first PID controller, a flue gas oxygen content inspection module, a gas flow inspection module, a signal conversion module, a frequency changer and a draught fan. The boiler body is provided with a valve, the signal conversion module is electrically connected with the gas flowinspection module, the flue gas oxygen content inspection module corresponds to the boiler body, the first PID controller is electrically connected with the flue gas oxygen content inspection module,the first PID controller is electrically connected with the frequency changer, the frequency changer is electrically connected with the signal conversion module, and the draught fan is connected withthe frequency changer. The oxygen content of flue gas emission of the boiler body is inspected in real time through the flue gas oxygen inspection module, the frequency changer is controlled by the first PID controller though the corresponding signals of the flue gas oxygen content, and the rotary speed of the draught fan is changed; and boiler gas flow signals are obtained through the gas flow inspection module, the flow signals are converted to input control signals of the frequency changer through the signal conversion module, thus frequency conversion of the frequency changer is achieved,the rotary speed of the draught fan is changed, and thus the air volume of the boiler can be adjusted.

The application relates to the machine room data monitor technology field, in particular to a monitor method of air conditioner running data and a related device. The monitor method of the air conditioner running data includes: obtaining current running data of air conditioners in a machine room; comparing the current running data with running data recorded last time, and judging if the current running data is consistent with the running data recorded last time, and if not, using the current running data for generating a new record clause according to current acquisition time; performing statemarking on the current running data in the new record clause, comparing the current running data after the state marking with a preset reminding threshold value, and confirming the category of an email to be sent according to a comparison result. The monitor method of the air conditioner running data enables monitoring of running conditions of the air conditioners in the machine room to have higher pertinence, improves monitoring efficiency, achieves timely and rapid feedback response to abnormal problems, realizes clear positioning for countermeasure personnel, reduces manu al intervention,and obtains an accurate regulating range.

The invention discloses a high-precision spindle of a braiding machine. The spindle integrates a thread-unreeling clutch unit, a strand brake unit and a tension adjusting unit into one; a unidirectional bearing is additionally installed on bobbin column in particular; when a thread-carrying spool is counter rotated, a loose strand can be easily and rapidly reeled; ball type transmission is applied in clutch and brake units for the first time, and such a structure has the characteristics of high cooperation precision, small workpiece wear, fast operation speed, uniform thread unreeling amount and low work noise and is especially applicable to high-speed braiding; the tension adjusting unit realizes stepless adjustment of tension by changing pretightening force of a tension spring through rotation of a tension adjusting nut, which enables a tension adjusting range to be wider and more accurate, so product quality and work efficiency can be greatly improved; thus, the high-precision spindle of the braiding machine has a wider application scope.

The invention relates to the technical field of diaphragm filter pressing. The invention further discloses waste slurry diaphragm filter pressing equipment for pigment production. The waste slurry diaphragm filter pressing equipment includes a base; the upper end of the base is fixedly connected with a mounting plate; a filter pressing box with an opening in one side is fixedly connected to the vertical side wall of the mounting plate; a plurality of filtering holes are uniformly formed in the bottom of a filter pressing box in a rectangular shape at equal intervals; a hydraulic cylinder is mounted outside the filter pressing box, and the output end of the hydraulic cylinder penetrates through the wall of the filter pressing box, extends into the filter pressing box and is fixedly connected with a push plate; the other side of the push plate is fixedly connected with a diaphragm filter plate, a sealing block is slidably connected into the end, away from the push plate, of the filter pressing box, and the other side of the sealing block is fixedly connected with a cover plate. According to the waste slurry membrane filter pressing equipment for pigment production, the filter pressing degree of waste slurry can be accurately adjusted according to the input amount of the waste slurry, so that a proper filter cake thickness is pressed out, moisture in the waste slurry can be fullypressed out, and later filter cake crushing and drying treatment is facilitated.

An optical assembly, which is adjustable relative to an axis (A), includes an optics carrier (1), at least two optical components (2, 3) fixedly connected with the optics carrier (1) and axially spaced from each other, and at least one thin, partially tangentially oriented, deformation web (4) provided in the optics carrier (1) in an axial intermediate region (X) between the at least two optical components (2, 3)

The invention discloses an axial adjusting device of a grooving saw for board cutting of woodworking. The axial adjusting device comprises a support and an adjusting mechanism arranged on the support. The adjusting mechanism comprises a pull rod, a flat gasket, a wedge-shaped plate, a fixing sleeve, a locking nut, a grooving saw fixing shaft, a grooving saw fixing base and a pressing spring. One side of the wedge-shaped plate is provided with an inclined groove, and the pull rod is arranged at the lower end of the inclined groove of the wedge-shaped plate. The pressing spring, the flat gasket, the wedge-shaped plate, the fixing sleeve and the locking nut are sequentially arranged on the grooving saw fixing shaft, and the wedge-shaped plate is arranged on a sliding groove on the grooving saw fixing shaft. The grooving saw fixing shaft is arranged on the grooving saw fixing base and fixed on the support. The axial adjusting device overcomes the defect that an eccentric structure is small in adjusting range and inconvenient to adjust, overcomes the shortcoming that a threaded transmission mechanism is large in an adjusting gap, is convenient for operators to use, increases an adjusting range, reduces unstable factors of adjusting, enables adjusting to be correct and labor-saving, and is wide in the adjusting range.

The invention discloses an automatic lifting type stirring device. The device comprises a bottom plate, a stand column, a stirrer, a lifting plate, a lifter, a first connecting rod, a second connecting rod, a first sliding block, a second sliding block and a third sliding block. The stand column and the second sliding block are each provided with a sliding groove, the stand column and the lifter are vertically installed on a base. The first sliding block, the second sliding block and the third sliding block are sequentially arranged in the sliding groove of the stand column from top to bottom, the second sliding block is further fixedly connected with the lifter, the lifting plate is horizontally installed on the stand column through the first sliding block, the stirrer is installed on the front side of the lifting plate, and one end of the first connecting rod and one end of the second connecting rod are hinged into the sliding groove of the second sliding block. The other end of the first connecting rod is hinged to the lower end face of the lifting plate, and the other end of the second connecting rod is hinged to the third sliding block. The device has the advantages that through the structural design of the connecting rod and the sliding blocks, the lifting plate can ascend and descend in a horizontal state, and the stirrer and the lifting plate synchronously and vertically ascend and descend, so that a stirring area in the vertical direction is finely adjusted.

The invention discloses a structure for automatically adjusting the aperture diameter of a diaphragm, which includes a mirror body (1), a Motor (3), A drive wheel (5), A driven wheel (6) and a limiting screw (7), wherein the drive wheel (5) is arranged on the motor (3) and meshed with the driven wheel (6), the mirror body (1) is provided with an arc-shaped groove along the circumference corresponding to the position of the diaphragm (2), the driven wheel (6) is arranged on the outer periphery of the mirror body (1), The limiting screw (7) passes through the through hole and the arc groove in turn, and the ends thereof are arranged in the threaded holes of the diaphragm (2). The mirror body (1) is provided with two microswitches (8) which are both communicated with the conductor of the motor (3) at intervals. The driven wheel (6) is fixed with a stopper (10) which extends to the microswitches (8) and is matched with the microswitches (8). The invention can realize the automatic adjustment of the diaphragm diameter of the diaphragm, and realize the sensitive limit at the same time.

The invention discloses a gas regulating device for a gas boiler. The gas regulating device comprises a boiler body, a PID controller, a gas flow detecting module, a signal conversion module, a frequency converter and a fan, wherein a valve is arranged on the boiler body; the PID controller is electrically connected with the valve; the gas flow detecting module is arranged at the valve; an input end of the signal conversion module is electrically connected with the gas flow detecting module; the frequency converter is electrically connected with an output end of the signal conversion module; the fan is connected with the frequency converter; and the fan corresponds to the boiler body. According to the gas regulating device for the gas boiler, a gas flow signal is directly obtained throughthe gas flow detecting module, and then the gas flow signal is sent to the signal conversion module to be converted into an input control signal of the frequency converter through the signal conversion module, so that the frequency conversion of the frequency converter is achieved; the rotation frequency of the fan is adjusted, so that the air volume entering the boiler body is adjusted; and the adjustment range of the air volume is refined, so that the adjustment precision of the air volume is improved.