Patents
Literature
78 results about "Axial distribution" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Outer taper sleeve of rolling mill
ActiveCN223960320UMetal rolling stand detailsMetal rolling arrangementsTorque transmissionAxial force
The utility model discloses an outer taper sleeve of a rolling mill, and belongs to the technical field of outer taper sleeves of rolling mills. The outer taper sleeve of the rolling mill comprises a main body part, one end of the main body part is provided with a threaded connection end, the other end of the main body part is provided with an inner taper structure, the side, close to the inner taper structure, of the main body part is provided with annularly-distributed long holes at equal intervals, and the inner wall of the main body part is provided with axially-distributed lubricating grooves. A check ring groove is formed in the outer wall of the main body part. According to the outer taper sleeve of the rolling mill, the firmness and the stability of overall assembly are greatly enhanced by arranging the threaded connection end and adopting a dual-connection mode, higher positioning accuracy is achieved by the design of the inner taper structure and the elastic deformation capacity provided by the expansion groove, the concentricity of two components is ensured, and the service life of the rolling mill is prolonged. Torque transmission and axial force bearing are facilitated, and the pre-tightening force of the locking nut is increased through the design of the sealing ring in the sealing groove.
Owner:MAANSHAN DEERMENG HEAVY IND MACHINERY
Scattering quality guarantee device
The utility model discloses a scattering and quality guaranteeing device which comprises a cylinder body, a feeding mechanism and a scattering mechanism, the cylinder body extends from a first end to a second end in the length direction, the first end is provided with a feeding port, the second end is provided with a discharging port, the cylinder body comprises a conveying section and a scattering section in the direction from the feeding port to the discharging port, the feeding mechanism is arranged on the conveying section, and the scattering mechanism is arranged on the scattering section. The feeding mechanism comprises a first rotating shaft and a spiral blade, the spiral blade spirally extends in the axial direction of the first rotating shaft and is rotationally installed on the barrel through the first rotating shaft, the scattering mechanism is arranged on the scattering section and comprises a second rotating shaft and a plurality of scattering blades, and the scattering blades are distributed in the axial direction of the second rotating shaft. According to the technical scheme of the utility model, the feeding mechanism and the scattering mechanism are simultaneously arranged in the barrel body, so that lumps generated in the quality guarantee process can be effectively scattered by virtue of the scattering blades, the materials are ensured to uniformly enter the granulator to the greatest extent, and the problem that the conditioning and granulating effects are poor due to the fact that the traditional quality guarantee device is easy to agglomerate is solved; the product quality is ensured.
Owner:GUANGDONG HAID ANIMAL HUSBANDRY & VETERINARY RES INST
Compressors and refrigeration equipment
ActiveCN120759764BRotary/oscillating piston combinations for elastic fluidsMagnetic circuit stationary partsElectric machineAxial distribution
This invention discloses a compressor and refrigeration equipment, relating to the field of compressor technology. The compressor includes a motor and a cylinder. The motor includes a stator core and windings, with the windings located on the stator core. The maximum outer diameter of the stator core is D1, and the axial length of the stator core along the compressor is L. The cylinder and stator core are distributed axially, with the axial height of the cylinder being H and the inner diameter being D2, satisfying: where U is the maximum voltage of the compressor in V, B is the gauge pressure of the compressor in MPa, and D1, L, D2, and H are in mm. The technical solution provided by this invention aims to match the magnetic load capacity of the stator core with the mechanical load of the compressor, avoiding material waste and ensuring the energy efficiency of the compressor.
Owner:GUANGDONG MEIZHI COMPRESSOR
Cylindrical bone drill
The utility model discloses a cylindrical bone drill relates to the field of medical devices, and the cylindrical bone drill includes: drill body and the coaxial setting connecting handle with it, wherein, the drill body is the cylindrical structure of diameter 2.2 5.8mm, in the drill body including the spiral cutting head of integral processing formation, the spiral cutting head is by 4 10 spiral distribution cutting blade of the axial distribution of drill body constructs, and the front blade of every cutting blade is 58 62 with drill body axis angle of clamping, and the depth value of cutting blade is 0.5 1.45mm, and the outer periphery of drill body is equipped with the marking unit that the annular concave point circle group of the axial interval of 1 3mm is composed, the cylindrical bone drill of the utility model has cutting stable, bone mud delicate, mark clear and the like advantage, is applicable to the precision oral surgery such as planting, periodontal in autogenous bone collection and bone mud preparation, improves the operation efficiency and accuracy.
Owner:SHENGMING TAIDE MEDICAL TECHNOLOGY (SHANGHAI) CO LTD
Stirring device with a shaft, adapted to be mounted in a fluid-mixing bioreactor, and method for assembling a stirring device
ActiveUS12497584B2Bioreactor/fermenter combinationsBiological substance pretreatmentsInterior spaceImpeller
The stirring device, in particular for a fluid-mixing bioreactor, comprises a drive shaft including a rod, an agitating element and a sleeve of tubular shape. The sleeve forms a coupling sleeve receiving the shaft therethrough and is directly rotationally coupled to the rod. The agitating element, which has a hub with an annular side wall delimiting an inner space and an impeller assembly comprising blades, is indirectly rotationally coupled to the rod via the sleeve that is engaged in the inner space. One of an inner surface of the wall and an outer surface of the sleeve is a guiding surface with progressively reduced cross section. Axial movement between the hub and the sleeve is prevented in a locked configuration of a sleeve fastening arrangement. Hub-sleeve contact areas can be axially distributed.
Owner:SARTORIUS STEDIM FMT SAS
High-strength compression-resistant PE pipe
ActiveCN223740245URigid pipesPipe protection against damage/wearStress concentrationAxial distribution
The utility model relates to the technical field of PE pipes, in particular to a high-strength compression-resistant PE pipe which comprises a pipe body made of PE materials, a protective layer wrapping the outer side of the pipe body, a buffer layer arranged between the pipe body and the protective layer and a supporting layer arranged on the outer wall of the pipe body. The supporting layer comprises supporting rings distributed in a spiral mode, by designing the spiral distribution design of the supporting rings with the I-shaped sections, the problem of circumferential stress concentration of a traditional PE pipe is effectively solved, mechanical complementation is formed between flanges of an I-shaped structure and a web, the contact area between the flanges and the inner wall and the outer wall of the pipe body is enlarged, and uniform load transmission is achieved. The web plates vertically support the radial pressure of the pipe body, the circumferential compressive rigidity of the pipeline is remarkably improved, pipe wall collapse caused by local stress concentration can be avoided, and the structural integrity of the pipeline under long-term pressure is guaranteed.
Owner:广东定通实业有限公司
Valve seat sealing ring with adjustable sealing performance
ActiveCN224188041UAdjust the amount of compressionEasy for emergency useEngine sealsLift valveAxial distributionScrew thread
The utility model discloses a valve seat sealing ring capable of adjusting sealing performance, which relates to the technical field of valve seat sealing rings, and aims to solve the technical problem that the valve seat sealing ring cannot be adjusted according to medium pressure fluctuation or working condition change at present, the valve seat sealing ring comprises a valve body, the inner wall of the valve body is provided with thread grooves which are axially distributed, and the inner wall of the valve body is provided with a thread ring in a threaded manner; an adjusting ring is fixedly installed in the threaded ring, a sealing ring is installed on the screwing-in face of the adjusting ring in a nested mode, and elastic fins are evenly distributed in the adjusting ring in the circumferential direction. The adjusting ring is driven by the threaded ring to move axially, the compression amount of the sealing ring is adjusted by combining the stepped clamping structure of the adjusting clamping block and the adjusting clamping groove, after the sealing ring is damaged, the compression amount of the sealing ring can be continuously adjusted by rotating the adjusting ring, the sealing ring does not need to be replaced immediately, emergency use is facilitated, and the service life of the sealing ring is prolonged. The problem that the current sealing ring needs to be replaced immediately after being damaged, and continuous operation of a system is affected is solved.
Owner:ZHEJIANG SHENZHOU SEAL CO LTD
Automatic turnover device for polyester calandria products
The automatic turnover device for the polyester calandria product solves the technical problems that in the production process of the polyester calandria in the prior art, in the double-sided visual defect inspection operation process of a semi-finished product, manual reverse side operation is needed, time and labor are wasted, and the requirement for large-batch production cannot be met. The automatic turnover device for the polyester calandria product comprises a transmission device and a turnover mechanism, the transmission device comprises a motor and a transmission rotating shaft, and an output shaft of the motor is connected with the transmission rotating shaft to drive the turnover mechanism to rotate; a plurality of sets of turnover mechanisms are distributed on the transmission rotating shaft in the axial direction, each set of turnover mechanism is provided with a plurality of sets of turnover teeth which are arranged side by side at intervals, and the distance between every two sets of turnover teeth is matched with the distance between every two adjacent polyester calandrias. The device can be widely applied to the technical field of polyester calandria processing equipment.
Owner:JINXIN(ZIBO) POWER MATERIAL CO LTD
Pressure stabilizing type expansion anchor rod
The utility model relates to a pressure stabilizing type expansion body anchor rod, which belongs to the technical field of geotechnical engineering anchoring and is used for solving the problem of non-uniform anchoring force distribution caused by limited contact area of a single-diameter expansion body section, insufficient uplift bearing capacity and eccentric installation of a traditional anchor rod. According to the technical scheme, an anchor rod body is composed of a center force bearing rod and a peripheral positioning assembly, and the positioning assembly guides the anchor rod to be centered through an elastic positioning piece and an arc guide face; the variable cross-section expansion body mechanism comprises a plurality of expandable sections which are axially distributed, each section forms an expansion body structure with different diameters through independent grouting, and the whole expansion body structure is in a step shape or a frustum shape. The anti-pulling performance of the anchor rod is improved by increasing the contact area and the occlusal force of the anchor rod and a rock-soil body, and the anchor rod adapts to different anchoring requirements of complex stratums and is suitable for engineering scenes such as slope supporting and foundation pit reinforcing.
Owner:DAYUAN CONSTR GRP
Oil seal structure of input end of step-up gear box
The utility model relates to an oil seal structure of an input end of a step-up gear box. The input shaft is supported by a bearing, the gear and the coupler are connected with the input shaft, the input shaft comprises a first shaft section and a second shaft section which are different in diameter, an oil slinger is arranged on the second shaft section, the first shaft section is connected with the coupler, and a plurality of oil slinger grooves are distributed in the axial direction of the second shaft section; the sealing piece is connected with the end cover and arranged on the second shaft section in a sleeving mode, a plurality of sealing teeth extending in the direction close to the second shaft section are arranged in the axial direction of an inner hole of the sealing piece, labyrinth cavities are formed between the oil throwing grooves and the two adjacent sealing teeth on the two sides of the oil throwing grooves, and all the labyrinth cavities form a multi-stage labyrinth cavity structure; the sealing piece is further provided with oil return holes, oil discharge holes, a balance cavity and a balance hole, the oil return holes extend in the labyrinth cavities in a one-to-one correspondence mode, the oil discharge holes are communicated with one or more oil return holes, and the balance cavity is communicated with the atmosphere through the balance hole. According to the utility model, the sealing reliability is improved.
Owner:WUXI GL TUBRO COMPRESSOR
Rigidity valve
The rigidity valve comprises a coil component, a mandrel, a sealing component, a valve seat, core iron and a sealing head component, the core iron and the sealing head component are matched, the two ends of the mandrel are connected with the core iron and the sealing component respectively, a valve port is formed in the valve seat, and the sealing component is used for opening and closing the valve port; the end socket part comprises an end socket part and a fixing seat, the end socket part comprises a through hole penetrating in the axial direction, the mandrel penetrates through the through hole, and the end socket part is fixedly connected with the fixing seat or is in limiting connection with the fixing seat in the axial direction; at least part of the core iron and at least part of the end socket part are distributed in an inner hole of the coil component in the axial direction, and the fixing seat is located between the coil component and the valve seat in the axial direction. The seal head part of the rigidity valve is relatively simple to process and relatively low in processing cost.
Owner:ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD
Novel vibrating circular screen
ActiveCN224181342Ureduce wearImprove screening efficiencySievingScreeningRotational axisAxial distribution
The utility model discloses a novel vibrating circular screen which comprises a vibrating circular screen body, a rotating mechanism and a screen mesh are arranged in the vibrating circular screen body, the rotating mechanism comprises a rotating shaft and a stirring paddle, the rotating shaft is distributed in the axial direction of the vibrating circular screen body, and the stirring paddle is fixedly connected to the periphery of the rotating shaft; rolling grooves are formed in the inner walls of the two axial ends of the vibration circular screen body, and the screen cloth is rotationally connected into the rolling grooves. The stirring paddle comprises a connecting rod, a spring and a first collision block, one end of the connecting rod is fixedly connected with the rotating shaft, the other end of the rotating shaft is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with the first collision block; a second collision block is fixedly connected to the inner wall of the screen, and the first collision block and the second collision block are located on the same arc. The stirring paddle can be driven to rotate through the rotating mechanism, materials are pushed to be evenly dispersed and pass through the screen, and the screening efficiency is improved.
Owner:HENAN INST OF GRAIN MASCH MFG CO LTD
Rapid detection tool for precision of cone shaft
ActiveCN223976583UUsing fluid meansMechanical measuring arrangementsElectrical connectionAxial distribution
The utility model belongs to the technical field of testing, and particularly relates to a tool for rapidly detecting the precision of a cone shaft. The measuring tool comprises a measuring tool body which is provided with a conical detection channel matched with a conical shaft, air inlet channels are distributed on the inner wall of the measuring tool body, and the measuring tool body is communicated with an external air pressure source; the movable sliding block abuts against the end face of the conical shaft. The dial indicator detects the displacement of the slider; the axially distributed air outlet channels are externally connected with an air pressure numerical meter; and the warning device is electrically connected with the air pressure value meter. A guide sliding rail is arranged on the outer side of the measuring tool body, four air inlet channels and four air outlet channels are correspondingly installed, and the warning device comprises a red light and a buzzer. The beneficial effects are that the device directly reads dimensional deviation through the dial indicator, feeds back roughness and dimensional precision through the air pressure system, simulates an actual installation contact state, realizes full-size section detection, gives an alarm in real time through the warning device, improves the detection efficiency, is suitable for online detection of various cone shafts, is especially suitable for batch production scenes, rapidly screens unqualified products, and improves the detection efficiency. And the high-precision detection requirement is met.
Owner:CHANGZHOU JIENUO TRANSMISSION SYST CO LTD
Completion string, completion method, and injection-production system
The application provides a well completion string, a well completion method and an injection-production system, the well completion string comprising a production casing and a well completion assembly connected to one end of the production casing, the production casing comprising one or more limiting splices, the multiple limiting splices being distributed along the axial direction of the production casing, a limiting part being arranged on the inner wall of the limiting splices, the limiting part being convex relative to the inner wall of the main body of the production casing; the limiting part is used for cooperating with a blowout plug to carry out blowout control, and / or is used for cooperating with a sealing plug at the bottom of a central pipe string lowered into the production casing to carry out string limiting. According to the technical scheme of the application, the limiting splices are designed in the production casing of the well completion string, the limiting part of the limiting splices can cooperate with the blowout plug to carry out blowout control or cooperate with the central pipe string lowered into the production casing to realize the setting of the string, stable blowout control can be realized under the condition that the well bottom is under pressure, and the setting of the central pipe string without packers can be realized, which provides favorable conditions for corresponding injection-production operations.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Calculation method, calculation device, and program
To provide a method for calculating a nuclear constant in consideration of an influence of a heterogeneous medium in a core axial direction.SOLUTION: The calculation method is a calculation method executed by a computer, and includes calculating a first neutron flux distribution in an axial direction of a reactor core by three-dimensional non-homogeneous single assembly calculation, and calculating a second neutron flux distribution in the axial direction of the reactor core by three-dimensional homogeneous single assembly calculation. A step of calculating a second neutron flux distribution in the axial direction of the core, a step of calculating an axial distribution of a correction factor such that a reaction rate based on the first neutron flux distribution can be reproduced by a three dimensional homogeneous single cluster calculation to which a correction factor of a nuclear constant based on a ratio between the first neutron flux and the second neutron flux is applied; The method includes a step of updating the second neutron flux distribution, a step of calculating the axial distribution of the correction factor until the correction factor converges, and a step of repeating the step of updating the second neutron flux distribution.SELECTED DRAWING: Figure 1
Owner:MITSUBISHI HEAVY IND LTD
Rock and soil mass mechanical parameter measuring system and method
PendingCN122016492AMaterial strength using tensile/compressive forcesMaterial strength using steady shearing forcesSoil massClassical mechanics
The invention discloses a rock-soil body mechanical parameter measurement system and method, and the system comprises an elastic sleeve which is used for being implanted into a rock-soil body and is internally provided with a deformation cavity; the sensing optical cable is distributed along the axial direction of the elastic sleeve and is in contact with the elastic sleeve; the optical fiber demodulator is electrically connected with the sensing optical cable and can demodulate an optical signal of the sensing optical cable to generate optical cable measurement data; the pressure source is used for providing pressure fluid; the pressure source can be communicated with the deformation cavity through the pressure control structure; the pressure detection mechanism is used for collecting pressure data of the deformation cavity; and the data analysis mechanism is used for analyzing, processing and generating mechanical parameters of the rock-soil body according to the pressure data and the optical cable measurement data. The sensing optical cable is distributed in the axial direction of the elastic sleeve and makes contact with the elastic sleeve, distributed measurement of the mechanical parameters of the rock-soil body can be achieved by analyzing the relation between the signal change of the sensing optical cable and the change of the rock-soil body, and the measurement result is more accurate.
Owner:TSINGHUA UNIVERSITY +1
Cementing and fracturing device, fracturing sliding sleeve and opening key
The application provides a well cementation fracturing device, a fracturing sliding sleeve and an opening key, the well cementation fracturing device comprising a fracturing pipe column and an opening key; the fracturing pipe column comprising a float shoe, a float collar, a pressure-encountering seat and a fracturing sliding sleeve; the fracturing sliding sleeve comprising an upper joint, an outer cylinder, a lower joint and a sliding sleeve, the upper joint, the outer cylinder and the lower joint being sequentially connected from top to bottom, the side wall of the outer cylinder being provided with a fracturing hole, and the sliding sleeve being locked in the outer cylinder and blocking the fracturing hole; the inner wall of the sliding sleeve being provided with axially distributed upper and lower positioning grooves; at least one fracturing sliding sleeve being a stage sliding sleeve, the inner wall of the sliding sleeve of the stage sliding sleeve being provided with a locking groove; the outer wall of the opening key being provided with an upper positioning ring for cooperating with the upper positioning groove, a lower positioning ring for cooperating with the lower positioning groove and a locking ring for cooperating with the locking groove, and the opening key being capable of being elastically contracted inward. Through the application, the technical problem of low fracturing efficiency in segmented fracturing in the prior art is solved.
Owner:DEZHOU ZHONGKAI PETROLEUM TECH CO LTD
A slide beam structure of a single-arm hydraulic press
The application discloses a slide beam structure of a single-arm hydraulic machine, and relates to the technical field of hydraulic equipment.The slide beam structure comprises a columnar beam body and a matching part arranged opposite along the radial direction of the beam body, both the matching parts are distributed along the axial direction of the beam body and extend outward along the radial direction in a wing shape; the matching part has a U-shaped guide surface, a vertical guide surface is arranged on the beam body, the vertical guide surface is adjacent to one side surface of the U-shaped guide surface and is perpendicular to the one side surface, and an adjusting mechanism for adjusting the guide gap in the radial direction of the beam body is arranged on the vertical guide surface; in the application, the slide beam is in a cylindrical or prismatic shape, the guide size of the slide beam is lengthened, the guide precision is improved, the extrusion stress of the guide rail surface under the eccentric load condition is reduced, the service life of the slide beam of the hydraulic machine is prolonged, the slide beam structure is more suitable for the single-arm hydraulic machine with large tonnage and small table surface, the effect is remarkable, and the application lays a foundation for designing and manufacturing the single-arm hydraulic machine with higher structural strength and stronger eccentric load resistance.
Owner:SHANDONG WODDA HEAVY MASCH CO LTD
Method, device and numerical control apparatus for grinding a threaded tool
The application relates to a thread tool grinding method, device and numerical control equipment. The method comprises the following steps: determining the intersection between the chip flute edge line on the outer cylindrical surface of a blank and a thread guide line; determining the circumferential machining range of a machining track section from the intersection based on a machining range parameter; determining the axial distribution of the thread guide line along the tool axis within the circumferential machining range as the axial distribution of the machining track section along the tool axis from the intersection; decreasing the bottom surface circle radius of the blank along the circumferential deflection angle relative to the intersection based on a radial clearance angle parameter to obtain the radial distribution of the machining track section along the tool radial direction from the intersection; and determining the grinding track of a grinding wheel on the blank when grinding thread teeth based on the geometric parameters of the grinding wheel and the radial distribution and axial distribution of the machining track section. The method can ensure the grinding efficiency of the thread tool.
Owner:SHENZHEN SHUMA 3D TECHNOLOGY CO LTD
Lightweight flexible gears and harmonic reducers
This application provides a lightweight flexible wheel and a harmonic reducer, relating to the field of harmonic drive technology. The lightweight flexible wheel includes a cylinder and gear teeth. The circumferential surface of the cylinder includes a non-toothed region and a toothed region distributed along the axial direction, with gear teeth formed in the toothed region. A subtractive material section is formed in the non-toothed region, which includes a honeycomb topology structure. Through the design of the honeycomb topology structure, non-load-bearing redundant material in the non-toothed region is eliminated, reducing the overall mass of the flexible wheel and greatly increasing the heat dissipation surface area of the flexible wheel, forming an effective heat dissipation channel. The heat generated by the harmonic reducer containing the lightweight flexible wheel during operation can be quickly dissipated into the surrounding environment or lubricating medium. The honeycomb topology structure has a continuous support network and can uniformly distribute stress when under load, maintaining structural integrity while reducing the weight of the flexible wheel and ensuring the overall stiffness of the flexible wheel. This solves the problem in the prior art of how to reduce the mass of the flexible wheel and improve its heat dissipation performance while ensuring its performance.
Owner:SHENZHEN HANS PRECISION TRANSMISSION TECH CO LTD
Locating pin convenient to disassemble and assemble
Owner:WUHU HEYE INTELLIGENT EQUIP CO LTD
Anchoring part for grouting reinforcement
The utility model relates to the technical field of fasteners, in particular to an anchoring part for grouting reinforcement. The anchoring part for grouting reinforcement comprises a wheel disc, one end of an anchor rod is welded to the upper portion of the wheel disc, barbs are axially distributed on the anchor rod and comprise main barbs and side barbs, the main barbs and the side barbs are distributed in a forked staggered array mode, the other end of the anchor rod is sleeved with an expansion plug, and the top end of the expansion plug is sleeved with a screw sleeve. Compared with the prior art, the main thorns and the side thorns with multi-stage anchoring points can disperse stress, the roots of the barbs are thick and strong, the tail ends of the barbs are fine, the barbs are adaptive to the densities of base layers with different depths, the tip ends of the main thorns incline forwards to increase pulling resistance, the side thorns can resist rotational shear force, the front ends of the side thorns are dense, the rear ends of the side thorns are sparse above the anchor rod, and the side thorns can be matched with the attenuation rule of internal stress of drilled holes.
Owner:SHANGHAI RIZHAO CONSTR ENG CO LTD
Sealing structure of high-speed rotor impeller end
The utility model relates to a sealing structure of a high-speed rotor impeller end. The gear box comprises a gear box body which is provided with a main oil return hole; the rotor assembly comprises a rotating shaft and an impeller which are connected, the rotating shaft is provided with an oil slinger and an extension section extending to the oil slinger in the axial direction, and the extension section comprises a first diameter section and a second diameter section; the second diameter section is sleeved with the positioning ring, the positioning ring is connected with the end of the first diameter section, and the outer diameter end of the positioning ring is provided with a step structure distributed in the axial direction; an inner hole of the oil sealing ring extends in the radial direction to form a plurality of first sealing rings which are distributed at intervals in the axial direction and form a clearance sealing pair with the first diameter section, a first pressure relief cavity is formed between the first sealing rings and the first diameter section, and the first pressure relief cavity is communicated with the main oil return hole; a plurality of second sealing rings which are distributed in a step mode in the axial direction extend in the radial direction of an inner hole of the air sealing ring, and a gap sealing pair is formed by the second sealing rings and the step structure. The sealing performance of the impeller end of the rotor can be greatly improved.
Owner:WUXI GL TUBRO COMPRESSOR
Hydraulic control reversing valve
The hydraulic control reversing valve comprises a valve element assembly, the valve element assembly comprises a valve sleeve, an oil cavity extending in the axial direction is formed in the valve sleeve, and a port A and a port B which are distributed in the axial direction and communicate with the oil cavity are formed in the side wall of the valve sleeve; the valve element is arranged in the oil cavity in an axial moving mode and comprises a first shaft shoulder, an oil groove, a throttling shaft shoulder, a conical shaft shoulder and a second shaft shoulder which are axially distributed, the side wall of the first shaft shoulder and the side wall of the second shaft shoulder are connected with the cavity wall of the oil cavity in a sealed mode, and a conical face is arranged at the shaft end, close to the opening A, of the conical shaft shoulder. The valve core axially moves so that the conical surface can be cut off or communicated with the port A, the oil groove, the throttling shaft shoulder and the port B which are sequentially arranged; and the elastic piece is arranged in the oil cavity in an axially telescopic mode, the elastic piece is arranged between the second shaft shoulder and the cavity wall of the oil cavity, and the elastic piece is in a compressed state when the opening A and the opening B are in a communicating state. The hydraulic control reversing valve has the advantages of being good in sealing performance, capable of conveniently and accurately controlling the oil quantity, simple in structure and convenient to machine.
Owner:GUANGXI ZHONGYUAN MASCH CO LTD +1
Compressor blade root mounting structure, compressor, and mounting method
The application provides a compressor blade root mounting structure, a compressor and a blade root mounting method. The mounting structure comprises a wheel disc, a first groove body is arranged on the wheel disc and is distributed along the axial direction of the wheel disc, a second groove body is distributed along the circumferential direction of the wheel disc, a locking structure comprises a first locking block and a second locking block, the first locking block is provided with a first notch along the circumferential direction of the wheel disc, the second locking block is provided with a protrusion on the side close to the first locking block, in the first state, the protrusion fills the first notch, the other side of the second locking block is flush with the side wall of the first groove body, in the second state, the first end surface of the protrusion is in contact with the second end surface of the first locking block, the sum of the sizes of the first locking block and the second locking block in the circumferential direction of the wheel disc is greater than the size of the second groove body, the other side of the second locking block is in contact with the first blade, and the axial movement of the first blade is limited. The mounting structure provided by the application realizes the locking of the blade after the blade is mounted by means of the displacement of the second locking block, and the integrity of the flow channel is ensured.
Owner:CHINA UNITED GAS TURBINE TECH CO LTD
Cylinder machining tool
The invention provides a barrel machining tool, and relates to the technical field of machining. The barrel machining tool comprises a drilling mold part, the drilling mold part is provided with a plurality of rotating head holes, a drill bit can penetrate through the rotating head holes, and the rotating head holes are sequentially formed in the axial direction of the barrel workpiece and correspond to corresponding to-be-machined hole positions on the barrel workpiece one to one; the supporting assembly is provided with a reference axis, the supporting assembly comprises a clamping piece and a supporting piece, the clamping piece is used for clamping the cylindrical workpiece, the clamping piece is rotationally arranged on the supporting piece, and the rotating axis of the clamping piece, the reference axis and the axis of the cylindrical workpiece are collinear; the adjusting assembly is connected with the clamping piece and used for adjusting the rotating angle of the clamping piece and the barrel-type workpiece. According to the device, positioning and machining of multiple rows of axially-distributed holes can be rapidly and accurately carried out on the cylindrical workpiece, and the lineation error is effectively eliminated.
Owner:HI TECH HEAVY INDUSTRY CO LTD
Synchronizer gear sleeve induction pressure quenching mandrel
The utility model discloses a synchronizer gear sleeve induction pressure quenching mandrel which comprises a mandrel base body, and a guide tooth groove, a plurality of mandrel plug-in grooves and a plurality of high tooth grooves are axially formed in the side face of the outer circumference of the mandrel base body. First spraying holes are formed in the mandrel base body, and the first spraying holes are axially distributed in multiple rows and are evenly arranged in the radial direction according to the circumference; a plurality of core shaft plug-in units are mounted on the core shaft base body, and the core shaft plug-in units are fixed in the core shaft plug-in unit grooves through bolts; the guide teeth are located on one side of the central spindle base body in the circumferential direction and fixed in the guide tooth grooves through bolts. And a synchronizer gear sleeve is coaxially sleeved on the outer sides of the guide teeth and the core shaft plug-in and the core shaft base body. By optimizing the structural design, accurate positioning and efficient quenching treatment of the internal spline of the part are realized, the machining precision is ensured, and the quality of the part is improved.
Owner:JIANGSU SAIC AUTOMOBILE SYNCHRONIZER WORKS
Electromechanical pipeline high-efficiency welding auxiliary device
The utility model belongs to the technical field of electromechanical pipeline installation, concretely relates to an electromechanical pipeline efficient welding auxiliary device, including fixed frame, positioning assembly and alignment assembly, positioning assembly includes at least three positioning members, each positioning member is dispersed and is arranged along the outside circumference direction of pipeline, and each positioning member is adjustably installed on the fixed frame, alignment assembly includes at least three alignment members, each alignment member is set respectively corresponding each positioning member, each alignment member is connected in one side of each positioning member, and alignment member and positioning member distribute along the axial direction of pipeline, and each alignment member can be adjusted along the radial direction of pipeline. Each positioning member fixes the pre-support pipeline along the outside of pre-support pipeline, and the alignment member aligns the receiving pipeline, and the alignment adjustment is convenient, and the pipeline welding place can be stabilized on the device, is convenient for the welding of worker, will not produce other weld points, will not influence the appearance or overall quality of pipeline, and positioning member and alignment member can be adjusted, and are suitable for the butt joint of pipeline of various pipe diameters.
Owner:SHANDONG TIANQI REAL ESTATE GRP INC CORP
Intelligent valve structure and system
ActiveCN114233913BOperating means/releasing devices for valvesInterengaging clutchesControl engineeringAxial distribution
The application provides a kind of intelligent valve structure and system, it is related to valve technical field, the intelligent valve structure provided by the application includes driving mechanism, limit piece, dog and valve switch;Driving mechanism has output shaft, and multiple clamping grooves are distributed along the axial direction of output shaft;The end of dog is slidably connected with output shaft along the axial direction of output shaft, the other end is connected with valve switch, and valve switch is used to be installed to pipeline;Limit piece is slidably connected with dog along the direction perpendicular to the axial direction of output shaft, and limit piece has limit station and release station, when limit piece is in limit station, limit piece is clamped with any clamping groove to limit the axial position of output shaft relative to dog, when limit piece is in release station, limit piece releases the clamping of clamping groove.The intelligent valve structure provided by the application can install valve switch of different height, and has strong versatility.
Owner:TIANJIN HUALAI TECH CO LTD
Multifunctional water inlet valve maintenance tool
The multifunctional water inlet valve overhauling tool comprises a handle (1), one end of the handle (1) is provided with a two-way ratchet wheel structure (2), the output end of the two-way ratchet wheel structure (2) is provided with an adapter (3), and a sleeve (4) is inserted into the adapter (3); the other end of the handle (1) is provided with a hammering head (5), and the outer wall surface of the handle (1) is provided with a gradienter (6) which is axially distributed; the handle (1) is further provided with an annular lamp strip (7), and a sleeve storage cavity (8) is formed in the handle (1). The device has the advantages of being time-saving and labor-saving in operation, not prone to slipping and disengagement and diversified in function.
Owner:STATE GRID XINYUAN +1