94results about How to "Short commissioning time" patented technology

The invention relates to an eddy flow mixer for smoke gas denitration and an eddy-mixing method; the mixer comprises a mixing component arranged in a gas flue and a reducing agent nozzle inserted in the gas flue; the lee face of the mixing component is a flat surface and directly faces the spout of the reducing agent nozzle and does not contact with the spout of reducing agent nozzle; the stoss side of the mixing component faces toward the flow direction of a fluid. A denitration system adopting the invention utilizes the eddy flow formed by the smoke gas to evenly mix ammonia of the reducing agent, which makes the deviation of mixing uniformity of NH<3> / NO on various points on the cross-section of the inlet of a first catalyst layer be within plus or minus 5 percent so as to totally achieve perfect mixing of NH<3> / NOx. The eddy flow mixer for smoke gas denitration and the eddy-mixing method are especially suitable for the smoke gas denitration technology by a selective catalytic reduction in a thermal power plant, which introduces the ammonia of the reducing agent into the smoke gas containing nitrogen oxide and mixes evenly.

The invention relates to a cash currency unified financial platform and discloses a cash management system. The cash currency unified financial platform comprises a client software, bank terminal software, a bank terminal service program, an interface program, an interface conversion program, a data distribution center, an integrated management platform, a trusteeship bank and enterprise direct connection front machine and the like. The cash currency unified financial platform can be conveniently integrated with a third party system, the workload of development work is small, debugging time is short, an enterprise client does not need to purchase multiple servers additionally, and hardware cost is saved. Accounts of multiple banks can be managed and operated on one set of system, and financial personnel can conveniently do daily work.

The invention relates to an analogue signal generator for a TDI (Transport Driver Interface) CCD (Charge Coupled Device), which is used for generating analogue signals of output signals of the TDI CCD and overcoming the defect that the TDI CCD is not suitable for repeatedly testing in a process of debugging and developing a signal processing circuit of the TDI CCD. The analogue signal generator specially comprises a timing sequence generation circuit, a signal combination circuit, a filtering circuit and a power supply circuit. The timing sequence generation circuit generates a logic signal pulse, the analogue signals of the output signals of the TDI CCD are preliminarily obtained through the signal combination circuit, and then the analogue signals of the output signals of the TDI CCD are finally obtained after passing through the filtering circuit. According to the analogue signal generator for the TDI CCD provided by the invention, the analogue signals of the output signals of the TDI CCD under different integration time are simulated by adjusting the period of the analogue signals, so as to replace the output signals of the TDI CCD to be used for the development of the signal processing circuit of the TDI CCD.

The invention provides a stage light control method, and relates to the technical field of stage safety. The method comprises the following steps of S1, acquiring a diffusion value of each angle of astage light; S2, opening the stage light, calculating distance between the stage light and the stage, and acquiring an angle value of the stage lamp relative to the stage; S3, selecting an arbitrary point of the stage, reading an actual light brightness value of the point, acquiring a correction value, and generating a stage illumination brightness distribution rule; S4, obtaining a target stage illumination brightness distribution diaphragm according to the position of the stage light when an arbitrary stage light is turned on or turned off; and S5, judging whether an arbitrary point in the target stage illumination brightness distribution diaphragm exceeds a preset illumination intensity range or not, if yes, not allowing to operate the stage light, otherwise allowing to operate, and continuing to execute the step S4. The stage light control method is convenient to control and is good in stage effect and high in intelligent effect, the light distribution is effectively simulated, andthe debugging time is short.

The invention relates to a thermal cutting shear and a cutting method thereof, and a flat arrangement type heating mode in fixture bodies is adopted to enhance the heating efficiency and the heat transfer speed and effectively control the operating temperature when the front end of a cutting edge carries out the cutting so as to enhance the cutting quality of the rubber material, and the quality of the joint and the stitching among various materials. The cutting shear comprises a group of the fixture bodies and shear bodies clamped and fixed among the fixture bodies, wherein at least one flat plate type heating plate is lined among the fixture bodies and the bases of the shear bodies; a heat source temperature sensor is arranged in the heating plate and is connected with an external power supply and a temperature control meter through a power supply wire; and a shear body temperature sensor is arranged in the cutting edge part of the shear bodies.

The invention discloses an outward expansion type clamp for a bearing ring. The outward expansion type clamp comprises a transition disc connected with a machine-tool main shaft, a chuck base connected with the transition disc, a positioning ring and a clamping jaw, wherein the positioning ring and the clamping jaw are installed on the chuck base. The chuck base is tubular. A clamping jaw installing part where the clamping jaw is installed is arranged on the front side of the chuck base. A fixing shoulder where the positioning ring is installed is formed at the portion, located on the back side of the clamping jaw installing part, of the chuck base. Six slotted grooves are axially formed in the wall face of the front portion of the chuck base at equal intervals. A conical surface with the wide outer portion and the narrow inner portion is formed on the inner circumference of the front end of the chuck base. The outward expansion type clamp further comprises a middle pull rod connected with a piston rod in the middle of the machine-tool main shaft and a front pull rod connected with the middle pull rod. A conical surface matched with the conical surface of the chuck base is formed on the outer wall of the back portion of the front pull rod. After the novel clamp comes into use, the installation speed is two times that of a traditional expansion type spring clamp, and the debugging time is a half of the original debugging time; and in addition, the outer diameter of the clamping jaw can be repeatedly polished, and the service life is several times that of the original clamp.

The invention relates to a slugging machine for a plastic bottle. The slugging machine comprises a stand, a cutter mechanism, a plastic bottle fixing rack and a driving mechanism, wherein the plastic bottle fixing rack is arranged on the top of the stand; the plastic bottle fixing rack is arranged at a feeding hole of the plastic bottle; the cutter mechanism and the driving mechanism are fixed on the stand; the driving mechanism comprises a cutter rotating mechanism and a cutter opening and closing mechanism; the feeding hole of the plastic bottle just faces to the cutter mechanism. The slugging machine for the plastic bottle is simple in structure, short in debug time and low in manufacturing cost of the whole machine, thus being popularized and applied in middle and small-sized enterprises.

The invention discloses a simple AGV (automatic guided vehicle) vehicle-mounted control system. The system comprises a body structure parameter setting unit, a trace tracking parameter setting unit, a guide post label management unit, an external interaction IO management unit, a data communication unit and a logistics carrying cart traveling monitoring unit. The system is characterized in that the logistics carrying cart traveling monitoring unit indicates a current position of a logistics carrying cart in real time through a vehicle-mounted map; changes of body structure parameters or guide line environment and the like can be directly modified by means of a human-computer interaction interface; by fine adjustment of trace tracking parameters, the more ideal and stable effect can be adjusted for the logistics carrying cart; function definition of a guide post label can be directly modified, set and observed through the guide post label management interface; a user can define the IO port function according to the in-column function. By means of the control system, an AGV logistics carrying cart can meet requirements of different users fast, operation is simple, maintenance and management are easy, and time for adjustment is shortened.

The invention discloses an adjustable simulating TDI CCD output signal generator and belongs to electronic application technical field. The adjustable simulating TDI CCD output signal generator is used for generating a simulating signal of an adjustable TDI CCD output signal and comprises a waveform generating circuit, a signal amplitude-adjusting circuit, a signal superposition circuit, a signal Low-pass filtering circuit, and a power supply circuit. The waveform generating circuit generates a logic signal pulse which may adjust the amplitude of a signal with the signal amplitude-adjusting circuit. Then, the simulating signal of the TDI CCD output signal can be preliminary obtained via the signal superposition circuit. Finally, the simulating signal of the TDI CCD output signal with adjustable amplitude is obtained through the signal Low-pass filtering circuit. The voltage of the waveform generating circuit, the signal amplitude-adjusting circuit, the signal superposition circuit, and the signal Low-pass filtering circuit are all supplied by the power supply circuit. The adjustable simulating TDI CCD output signal generator adjusts the reset level and the signal level of the simulating signal so as to simulate simulating signals of TDI CCD output signals in different X-ray dosage irradiation. Therefore, the simulating signal substitutes for the TDI CCD output signal and is used in development of TDI CCD signal processing circuits.

The present invention relates to the field of the filter debugging technology, especially to a filter automatic debugging system on the basis of a flexible transmission device. The filter automatic debugging system on the basis of the flexible transmission device comprises a vector network analyzer, a computer, a motor platform and a telescopic debugging cutter head. The telescopic debugging cutter head includes a sleeve and a debugging cutter head, the debugging cutter head is arranged in the sleeve and has a tip for debugging which protrudes out of the bottom of the sleeve, there is provided radial spacing between the inner wall of the sleeve and the outer wall of the debugging cutter head, and the top of the sleeve is fixedly connected with a flexible bar. Electrical characteristics of the filter are measured through the vector network analyzer and are converted to the amount of tuning through the computer, and a motor rotation torque is transmitted to the telescopic debugging cutter head so as to realize automatic debugging of the filter. According to the invention, workers may liberate from the repetitive and boring debugging work, manpower is saved, and the influence on the filtering debugging caused by manpower factors is avoided, therefore the consistency of products is better and it has important significance to reduce the production cost and stabilize the productivity.

The invention discloses a test bench for the high-precision testing of transmission efficiency of an RV decelerator, and the test bench is characterized in that the output shaft of a drive motor is connected with an input sensor; the input sensor is disposed on an input sensor support; the input sensor is connected with a main decelerator through a transmission shaft; an input shaft assembly is disposed between the input sensor and the main decelerator; the main decelerator and an auxiliary decelerator are in a back-to-back connection, and the auxiliary decelerator is connected with an output sensor through a transmission shaft; the output sensor is connected with a main shaft of a load motor; an input protection cover and an output protection cover are respectively fixed on a drive supporting seat and a load supporting seat; and an electrical control cabinet is disposed beside the test bench. The beneficial effects of the invention are that the test bench is novel in design principle, is unique in structure, is convenient for debugging, is high in measurement precision, is very good in commercial prospect, can fill the gaps in the related technologies, and also can generate bigger social and economic benefits.

The invention discloses an accurate parking method for an urban rail transit station. The accurate parking method comprises the steps of installing a T1 beacon, a T2 beacon, a T3 beacon, a T4 beacon and a T5 beacon in the station entering direction; acquiring information received by the T1 beacon, the T2 beacon, the T3 beacon, the T4 beacon and the T5 beacon in real time; when the train passes through the T1 beacon, entering a TASC1 control stage by the ATO subsystem; when the train passes through the T2 beacon and the T3 beacon, correcting the wheel diameter value; after the train passes through the T3 beacon, when the speed of the train is smaller than or equal to a set speed threshold value, switching the ATO subsystem to a TASC2 control stage; and when the train passes through the T5 beacon, entering a fixed-point parking control stage by the ATO subsystem. According to the method, the requirement of an urban rail transit project for accurate parking of the station can be met, theprobability that the train is parked within the parking range of 0.3 m is larger than or equal to 99.99%, and the probability that the train is parked within the parking range of 0.5 m is larger thanor equal to 99.9998%.

The invention discloses an N95 mask machine. The machine comprises a material piece, a left ear belt and a right ear belt, the mask machine comprises a rack, a conveying device, a material piece feeding device, a left ear belt forming assembly, a right ear belt forming assembly, a material piece folding device, a material piece sealing device and a material piece discharging device, the rack comprises a feeding end and a discharging end, and the material piece feeding device is arranged at the feeding end; and the conveying device conveys material pieces to the discharging end from the feedingend, the left ear belt forming assembly welds the two end points of the left ear belt to the corresponding positions of the material pieces on the conveying device, and the right ear belt forming assembly welds the two end points of the right ear belt to the corresponding positions of the material pieces on the conveying device. The material piece folding device is used for jacking up, folding and forming the material pieces on the conveying device, the material piece sealing device is used for welding and sealing the corresponding positions of the folded and formed material pieces, the material piece discharging device is used for conveying the sealed material pieces to the discharging end to be discharged, and the mask machine is relatively simple in structure, low in input cost, shorter in debugging time and higher in efficiency.

The invention provides a device for debugging and testing transmission and reception of an optical module at the same time. The device comprises the optical module, a test board, a bit error ratio tester, a computer, an attenuator, a power meter, an eye diagram device, a wavelength division multiplexing unit and an optical splitter. The test board, the bit error ratio tester, the attenuator, the power meter and the eye diagram device are connected with the computer through control lines. The test board is connected with the bit error ratio tester. The optical module is connected with the test board. The optical module is connected with the wavelength division multiplexing unit. A light source is arranged on the bit error ratio tester. Reception light emitted by a light source is transmitted to the wavelength division multiplexing unit through the attenuator. The reception light is transmitted to the optical module through the wavelength division multiplexing unit. The invention also provides a method for debugging and testing transmission and reception of the optical module at the same time. The method and the device have the beneficial effects that the transmission and reception of the optical module can be debugged and tested at the same time, the debugging time is short, a device utilization ratio is high, and the efficiency is high.

The invention relates to a piece-type plastic intake manifold vibration friction welding jig, which includes an upper jig and a lower jig. The upper jig includes an upper mounting plate and an upper profile that matches the profile of the upper half of the intake manifold. The support positioning assembly, the upper contour support positioning assembly is composed of a plurality of small support positioning blocks Ⅰ; the lower fixture includes the lower mounting plate, the bottom plate, the base and the lower contour support positioning assembly that matches the contour of the lower half of the intake manifold , the lower contour support and positioning component is composed of a plurality of small support positioning blocks II assembled; the bottom plate is also provided with a hole positioning device, the hole positioning device includes a position mounting seat, a displacement cylinder, a positioning cylinder, a slideway, a slider and a positioning device. Semi-circular support block for fixing intake manifold holes. The contour support and positioning components on the upper and lower fixtures of the present invention are composed of a plurality of small support positioning blocks, which can be fine-tuned according to the product contour, so that the welding strength and reliability of the intake manifold are higher, and the Welding pass rate.

Disclosed is a TDI-CCD drive signal generator capable of realizing external trigger and the external-trigger TDI-CCD drive signal generator includes an external-trigger signal processing module and an external-trigger CCD drive signal generating module, wherein the external-trigger CCD drive signal generating module includes a crystal oscillator, a frequency demultiplication module, an RG pulse generation module, a 1536 counting module, an envelope line generation module and a not-gate time sequence synthesis module. The external-trigger TDI-CCD drive signal generator realizes that a signal transference speed of a TDI-CCD can be randomly changed via external trigger and compared with a traditional CCD drive signal generator, the external-trigger TDI-CCD drive signal generator is capable of acquiring speed signal pulses of an external moving object and changing internal transference clock signals of the CCD through external trigger, that is, changing of an integral time of the CCD, so that real-time accurate matching of a transference speed of the internal signals of the CCD and a scanning speed of the moving object is realized and effect of an overall signal generation circuit is improved significantly; and X-ray imaging is carried out on the moving object so that imaging resolution is improved and applicable range of a drive circuit is expanded.

The invention relates to a battery pole piece coating adjusting device and an adjusting method thereof. The adjusting device is arranged in a battery pole piece coating device and is used for adjusting the surface coating quality of a coated substrate in real time. The adjusting device is a pressure adjusting device and detects the pressure of slurry in the battery pole piece coating device in real time and compensates for the pressure of the slurry as needed in real time, so that the pressure at an outlet of the battery pole piece coating device meets the demand, and a purpose of adjusting the surface coating quality of the substrate is achieved. The battery pole piece coating adjusting device can adjust the coating online in real time to improve higher outlet fluid distribution uniformity, improve the product quality and achieve automatic coating adjusting control, so as to improve the production efficiency.

The invention relates to an air-electric detecting device for quickly detecting the inner diameters of holes. The air-electric detecting device mainly comprises a detecting device body; the detectingdevice body is provided with a detection platform measuring column; an air hole is formed in the test platform measuring column; the air hole is communicated with an air electric gauge through an airpipe; the outer diameter of the detection platform measuring column can be sized to match an inner diameter ring gauge or a product to be tested, so that the inner diameter ring gauge or the product to be tested can sleeve the detection platform measuring column; and the air hole extends through the detection platform measuring column along the diameter direction of the detection platform measuring column in a through manner. With the device of the invention adopted, professionals for debugging are not required; the debugging time of a testing tool is short; the debugging time of the detectingdevice is shortened; the inner diameter of the product is in air-tight contact with the circumference of the column, and therefore, detection precision is high, and errors are small; and a diameter dimension can be directly measured; inner diameter detection is changed from mechanical three-point contact to circumferential airtight contact, and therefore, detection errors are reduced.

The invention relates to an artificial wetland substrate integral filling and laying method. The artificial wetland is composed of a plurality of modules with a manner of series connection, parallel connection or a combination of series and parallel connections. A module 1 is positioned at a water inlet end. Each module comprises a cubic frame. A substrate unit 1, a substrate unit 2 and a substrate unit 3 are sequentially arranged along a water flow direction in the frame. The substrate unit 1 and the substrate unit 3 have a same structure which is a wedge-shaped structure with the upper part smaller than the lower part. The substrate unit 2 has a wedge-shaped structure with the upper part larger than the lower part, and is blocked between the substrate units 1 and 3. Two sets of pulleys are arranged on the lower surface inside each module on the side parallel to the water flow direction. The substrate unit 1 and the substrate unit 3 are respectively arranged on a set of pulleys. When the substrate unit 1 and the substrate unit 3 are respectively under leftward and rightward pressings, the substrate units can move left and right. The invention provides the artificial wetland substrate integral filling and laying method.

The invention discloses an adjacent point correlativity mean noise reduction method implemented for FFT data. The method comprises the steps of setting a reference value dRef; comparing to-be-processed FFT signal data with the reference value dRef; for the data with the value lower than the reference value dRef, calculating a mean of a set number of pieces of adjacent data, and replacing the data value lower than the reference value dRef with the mean; and reducing the amplitude of distorted data with the value lower than the reference value and reducing the noise band to enable signals with values lower than the reference value to gather to the center of noise. The amplitude of the distorted data with the value lower than the reference value can be reduced through an adjacent data mean method and the noise band is reduced, so that the signals with the values lower than the reference value can gather to the center of the noise, and the noise can be inhibited and the interference signal energy can be reduced to a certain extent.

The invention relates to a small-caliber gun bullet small-batch automatic assembling device which comprises a workbench, a rotary table and multiple bullet shell grabbing discs, wherein the rotary table is rotationally connected with the workbench, and the multiple bullet shell grabbing discs are sequentially fixed to the rotary table. The small-caliber gun bullet small-batch automatic assemblingdevice further comprises a feeding mechanism, a charging mechanism, a bullet pressing mechanism and an opening tightening mechanism, wherein the feeding mechanism, the charging mechanism, the bullet pressing mechanism and the opening tightening mechanism are fixed to the workbench and sequentially and fixedly connected in the circumferential direction of the workbench. According to the small-caliber gun bullet small-batch automatic assembling device, the motions of all stations in the gun bullet assembling process can be accomplished in sequence. Rotary assembly is adopted by the small-calibergun bullet small-batch automatic assembling device, compared with direct-feed assembly, the rotary assembly is higher in efficiency and smaller in the occupied area, and the rotary assembly is suitable for indoor application. According to gun bullets with different calibers, related parts are modularly designed so that an assembling system can be quickly adjusted to assemble the gun bullets withdifferent specifications. The different gun bullets can be rapidly and efficiently assembled by the device in a small-batch mode, man-machine separation and automatic assembly are achieved, and the safety, the reliability and the economy of the assembling process are effectively improved.

The invention discloses a strip edge plate shape control method and system based on induction heating. By means of a double-closed-loop control circuit manner, a plate shape control loop and a temperature control loop are adopted to conduct adjustment; compared with a traditional single-closed-loop control circuit, the debugging time is short, the control precision is high, and the interference resistance is high; by means of the plate shape control loop, plate shape deviation is calculated by a controller and then output to the temperature control loop as a temperature set value; in the temperature control loop, by measuring the temperature of a work roller, temperature rise of the work roller can be directly controlled, so that thermal expansion of the work roller can be controlled, thereduction of the edge portion of the work roller is changed, and finally improvement of the edge plate shape of the strip is achieved.

The invention relates to the field of optics, in particular to a linear frequency domain optical grating and a design method thereof. The linear frequency domain optical grating comprises an optical glass protection layer, a diffraction layer and a prism. A diffraction medium is attached to the prism to form the diffraction layer. The diffraction layer is covered with the optical glass protection layer. A spectrum formed after incident light passes through the linear frequency domain optical grating to be scattered has frequency linearity. The linear frequency domain optical grating can be used for manufacturing a linear frequency domain spectrograph. The manufactured linear frequency domain spectrograph has the advantages of being small in size, light in weight, small in scattered device number and short in assembling and debugging time, light loss and light noise which are caused to the linear frequency domain optical grating due to interface reflection are effectively reduced, and meanwhile the manufacturing cost of the linear frequency domain optical grating is reduced. The linear frequency domain optical grating is widely applied to the modern spectroscopy fields such as optical imaging OCT, spectrum analysis and optical communication.

The invention discloses an assembling and debugging method for improving the producibility of a high-frequency coaxial circulator / isolator, and the method comprises the steps of enabling a substrate and a central conductor to form a unit group in sequence through employing a positioning clamp, enabling the substrate and the central conductor in each unit group to be coaxial, and enabling each unitgroup to be coaxial; bonding and shaping the unit groups; preparing a cavity, and arranging debugging holes at the positions, corresponding to three ports, of the cavity; assembling a product and connecting to a vector network analyzer, and injecting silicone rubber in the debugging holes to adjust the circuit matching, thereby improving the performance parameters of the device. According to thepresent invention, by combining the improvement of a sheet arrangement process, forming the debugging holes at the corresponding positions of the cavity, and utilizing the high consistency of the sheet arrangement unit groups and the high consistency of the cavity structure, the method for improving the assembly speed and debugging the product performance without opening the cavity is provided. The producibility increase of the high-frequency coaxial circulator / isolator can be greatly promoted, so that single products have high consistency and high debugging efficiency, and the requirement oflarge-batch production is met.

The present invention provides a stage lighting control method, which relates to the technical field of stage safety. The method includes the following steps: S1: Obtain the diffusion value of each angle of the stage light; S2: Turn on the stage light, calculate the distance between the stage light and the stage, and obtain The angle value of the stage light relative to the stage; S3: Select any point on the stage, read the actual light brightness value at that point, obtain the correction value, and generate the stage light brightness distribution rule; S4: When turning on or off any stage light, according to the The position of the stage light, to obtain the distribution map of the target stage light intensity; S5: Determine whether any point in the target stage light brightness distribution map exceeds the predetermined light intensity range, if so, the operation of the stage light is not allowed; otherwise, the operation is allowed, and continue Execute step S4. The stage light control method of the present invention is convenient to control, has good stage effect, high intelligence, can effectively simulate light distribution, and has short debugging time.

The invention relates to the field of equipment part machining, in particular to a product laminating method, device, equipment and system. The product laminating method provided by the embodiment of the invention comprises the steps that a first current position of a first workpiece is acquired according to a first workpiece image, and the first workpiece image is acquired by photographing the first workpiece through a first camera; according to a second workpiece image, a second current position of the second workpiece is obtained, and the second workpiece image is obtained by photographing the second workpiece through a second camera; and according to the first current position and the second current position, the first manipulator is controlled to rectify the deviation of the first workpiece, and / or the second manipulator is controlled to rectify the deviation of the second workpiece, so that alignment and attachment of the first workpiece and the second workpiece are realized. According to the product laminating method, device, equipment and system provided by the embodiment of the invention, the alignment laminating efficiency of the first workpiece and the second workpiece can be improved.

An embodiment of the invention discloses a program debugging method and apparatus. The program debugging method comprises the steps of if a current mode is a debugging mode when a program is started, obtaining a configuration file from a resource server, wherein the configuration file is used for describing debugging resource information, and generating an Md5 value according to the size and modification date of the resource; determining whether the debugging resource exists in a local terminal or not according to the name of the resource; if the debugging resource exists in the local terminal, and if the Md5 of the debugging resource is the same as the genequota Md5, determining whether to examine next debugging resource or not; and if the next debugging resource needs to be examined, returning to execute a step of obtaining the next debugging resource from the resource server. Therefore, long occupation time caused by uploading of relatively large resource in program debugging is avoided; and in addition, only code uploading is required in debugging in each time, so that debugging is quite fast.

The invention discloses an average noise reducing method implemented on FFT (Fast Fourier Transform) data. The method comprises the following steps: averaging FFT signal data within a set range and data lower than a reference value dRef to obtain an average noise baseline value lower than the reference value dRef; then, averaging data lower than the reference value dRef in data to be processed together with the average noise baseline value; and drawing signals below the set reference value close to the average noise baseline value in order to restrain noise and reduce interference signal energy. Through adoption of the method, the requirements and dependencies on hardware are simplified greatly, and overhead caused by hardware debugging is reduced at the same time.

The invention relates to a capacitive coupling structure for a metal cavity filter product. The structure is of a U form or an inverted U form, and comprises a horizontal support medium and coupling sheets arranged at two ends of the horizontal support medium, wherein a U-shaped hole through which a metal debugging screw passes is formed in each coupling sheet. Compared with the prior art, the capacitive coupling structure has the advantage that the problem of the consistency of products with stringent inhibition requirements during production is solved.

The invention discloses an outward expansion type clamp for a bearing ring. The outward expansion type clamp comprises a transition disc connected with a machine-tool main shaft, a chuck base connected with the transition disc, a positioning ring and a clamping jaw, wherein the positioning ring and the clamping jaw are installed on the chuck base. The chuck base is tubular. A clamping jaw installing part where the clamping jaw is installed is arranged on the front side of the chuck base. A fixing shoulder where the positioning ring is installed is formed at the portion, located on the back side of the clamping jaw installing part, of the chuck base. Six slotted grooves are axially formed in the wall face of the front portion of the chuck base at equal intervals. A conical surface with the wide outer portion and the narrow inner portion is formed on the inner circumference of the front end of the chuck base. The outward expansion type clamp further comprises a middle pull rod connected with a piston rod in the middle of the machine-tool main shaft and a front pull rod connected with the middle pull rod. A conical surface matched with the conical surface of the chuck base is formed on the outer wall of the back portion of the front pull rod. After the novel clamp comes into use, the installation speed is two times that of a traditional expansion type spring clamp, and the debugging time is a half of the original debugging time; and in addition, the outer diameter of the clamping jaw can be repeatedly polished, and the service life is several times that of the original clamp.