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66results about How to "Reduced leveling time" patented technology
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Large-size vehicle body automatic leveling system and method based on six-point support
ActiveCN109367525AImprove resource utilizationSimplified Leveling SystemVehicle fittings for liftingDriver/operatorHuman–machine interface
The invention belongs to the technical field that when a vehicle runs with specific actions or under specific conditions or being operated by a driver, the responsivity is adopted as the feature and discloses a large-size vehicle body automatic leveling system and method based on six-point support. The large-size vehicle body automatic leveling system comprises a controller, a double-shaft tilt angle sensor, a human-computer interface, an alarm device, six support legs, six direct current motor drivers and six Hall sensors. By means of the large-size vehicle body automatic leveling system, thehighest point in a leveling support leg is maintained to be unchanged, remaining support points move upwards synchronously to be aligned with the highest point, and when all the remaining points reach the position of the highest point, a vehicle body is in the horizontal state; at the force adjustment stage, it is guaranteed that all tyres leave the ground and do not play the support role, and the whole vehicle body is supported by the six support legs; meanwhile, fine adjustment is conducted, and it is guaranteed that the six support legs are stressed uniformly. By means of the large-size vehicle body automatic leveling system, automatic leveling of a platform can be achieved in an outdoor unstructured environment; and the system has the advantages of being high in leveling precision, speed and reliability, great in stability and the like and is particularly applicable to the electronic equipment vehicle-mounted platform or various campsite motor homes.
Owner:西安海康普德智能装备有限公司
Automatic horizontal adjusting device and adjusting method for platform
ActiveCN102806819AHigh leveling accuracyConducive to labor protectionResilient suspensionsAir springRemote control
The invention discloses an automatic horizontal adjusting device and adjusting method for platform. The automatic horizontal adjusting device for the platform comprises a bedplate, wherein an air spring is mounted under each corner of the bedplate, the air springs are connected with the upper ends of lifting mechanisms mounted in support legs, the lower ends of the lifting mechanisms are connected with transmission devices, a base is arranged under the support legs, a support seat A is mounted in the middle position under the bedplate, adjusting gas valves are also fixedly mounted under the bedplate, the adjusting gas valves are connected with the air springs through gas pipes, one end of a swing rod is provided with a spherical head A and is fixed by a clamp sleeve sleeved on the exterior of the support seat A, the other end of the swing rod is provided with a plumb bob, a suspension arm is mounted on the rod body of the swing rod, the end head of the suspension arm is correspondingly positioned under contact points of the adjusting gas valves, a locking plate is fixedly arranged on the base, and a movable magnet block inside the plumb bob controls the locking through a remote control switch. The invention also provides the horizontal adjusting method for the platform, and the horizontal adjusting device and the adjusting method have the characteristics that the horizontal adjusting time is short, the horizontal adjusting accuracy is high, the reliability is high and the like.
Owner:JIANGXI LIANSHENG TECH
Leveling estimating control method for postures of automobile body
ActiveCN105415998AAvoid situations where usage requirements are not metReduced leveling timeResilient suspensionsSupport pointAutomotive engineering
The invention discloses a leveling estimating control method for postures of an automobile body and belongs to the technical field of leveling of the postures of automobiles. The leveling estimating control method for the postures of the automobile body includes the following steps that height values needed by leveling of the lowest posture of a whole automobile are obtained according to a supporting point compensation height algorithm; and when the maximum value of the front supporting point height value, the rear supporting point height value, the left supporting point height value and the right supporting point height value is larger than the maximum stroke of a suspension, leveling extension deviation iteration calculation is conducted, supporting point compensation height calculation is conducted according to a result obtained through leveling extension deviation iteration calculation, and leveling is conducted according to a result obtained through supporting point compensation height calculation. According to the leveling estimating control method for the postures of the automobile body, leveling of the postures of the automobile body can be estimated.
Owner:SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST
Intelligent measurement robot system based on BIM and measurement method
The invention relates to an intelligent measurement robot system based on BIM, which comprises a mobile chassis, a master control device, a leveling device, an intelligent total station, a handheld terminal and 360-degree prisms. The master control device comprises a master control box, a wireless router, a positioning module and an industrial personal computer. The wireless router is connected with the handheld terminal to realize communication and data exchange between the industrial personal computer and the handheld terminal. The positioning module is used for roughly positioning a measurement robot. All instructions of the handheld terminal need to be distributed through the industrial personal computer, and instruction feedback information of all devices is collected and processed bythe industrial personal computer. The leveling device is installed on the master control box, and the intelligent total station is installed at the top end of the leveling device. The 360-degree prisms are arranged on three control points with known coordinates on site. According to the invention, the intelligent total station is used for automatically aiming at the three 360-degree prisms arranged at known positions in advance to carry out intelligent station setting, and then, rapid acquisition and automatic analysis of three-dimensional coordinates of a construction completion surface arerealized through automatic lofting and prism-free measurement.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD
Ejector pin mechanism and plasma processing equipment
ActiveCN104658957AImprove levelImproved leveling accuracyElectric discharge tubesSemiconductor/solid-state device manufacturingPlasma processingElastic component
The invention provides an ejector pin mechanism and a piece of plasma processing equipment. The ejector pin mechanism comprises at least three ejector pins and a holding bracket used for supporting the ejector pins. An elastic component is arranged between each ejector pin and the holding bracket. The heights of the elastic components can change within an elastic range under the action of pressure, which makes the heights of the ejector pins change relative to the height of the holding bracket. The ejector pin mechanism provided by the invention can improve the precision of horizontal adjustment, which enables the machining requirement and the assembly precision requirement on other components of the ejector pin mechanism to be lowered to a certain extent. Moreover, the ejector pin mechanism can help to shorten the time of horizontal adjustment and improve the work efficiency.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Automatic centering total station base apparatus
The invention discloses an automatic centering total station base apparatus. The automatic centering total station base apparatus comprises an upper base, a lower base and a triangular tripod, wherein a reflection pile is arranged on the ground of the central part of the triangular tripod, a circular hole A is formed in the center of the lower base, two sides of the circular hole A are respectively provided with a transverse sliding rod A and a transverse sliding rod B, sliding grooves are respectively formed in the upper surfaces of the transverse sliding rod A and a transverse sliding rod B, the transverse sliding rod A and the transverse sliding rod B are provided with longitudinal sliding rods, two adjacent longitudinal sliding rods are provided with a drive motor C, the upper base is arranged on the longitudinal sliding rods, a circular hole B is formed in the center of the upper base in a triangle shape, an image projector is arranged at the inner lower part of the circular hole B, the image projector is provided with a computer controller, and the computer controller is connected with a drive motor A, a drive motor B and the drive motor C. The automatic centering total station base apparatus automatically precisely adjusts a total station measuring point, thereby saving the leveling time and reducing the manmade error.
Owner:LIAONING INST OF SCI & TECH +1
Corrosion-resistant paint for hydraulic oil tanks and preparation method thereof
InactiveCN104774534AGood hangabilityImprove bonded stateAnti-corrosive paintsEpoxy resin coatingsAdhesiveActive agent
The invention discloses a corrosion-resistant paint for hydraulic oil tanks. The corrosion-resistant paint for hydraulic oil tanks is a double-component paint formed by mixing a component A and a component B, wherein the component A comprises a modified epoxy resin, a filler, a foaming agent, acetone, an adhesive, a suspending agent, sodium carbonate and a mildew preventive; and the component B comprises a bisphenol A polyetheretherketone resin, a defoaming agent, a leveling agent, a solvent, a cosolvent, a thixotropic agent and a surfactant. The invention also discloses a preparation method of the corrosion-resistant paint for hydraulic oil tanks, which comprises the following steps: preparation of the component A, preparation of the component B, and preparation of the corrosion-resistant paint for hydraulic oil tanks. The preparation method is simple and easy to implement, and has the advantage of low preparation cost. The prepared paint has the advantages of favorable abrasion resistance, favorable coating property, high impact resistance, favorable adhesive force, favorable flexibility, favorable water resistance and favorable chemical resistance.
Owner:SUZHOU JIN YUAN OIL MACHINERY
Field geographic information surveying and mapping equipment and measuring method thereof
ActiveCN112113091AReduced leveling timeReduce labor intensitySurveying instrumentsStands/trestlesEngineeringMechanical engineering
Owner:敦少杰
Compound farmland leveling machine
InactiveCN108093697AImprove versatilityReduced leveling timeSpadesPloughsAgricultural engineeringCrop cultivation
The invention discloses a compound farmland leveling machine. The compound farmland leveling machine includes a machine body, the right side of the inner top surface of the machine body is rotatably connected to the upper end of a flattening plate through a rotating shaft, the front and rear side surfaces of the flattening plate are slidingly connected with the front and rear side surfaces of theinterior of the machine body respectively, a fixing block is fixed to the upper end of the right side surface of the machine body, a threaded hole formed in the fixing block in the vertical directionis in threaded connection with a threaded rod, a handle is fixed to the upper end of the threaded rod, and the lower surface of the threaded rod is fixedly connected with an inner ring of a bearing. Screening rods separate large soil blocks or soil-enclosing rhizomes from soil to reduce the work intensity of workers and reduce the time for flattening the land; a telescopic device adjusts the magnitude of a received force of the flattening plate, correspondingly adjusts the compaction degree of the soil and facilitates later crop cultivation; the workers change working rods so that the screening rods can screen out the large soil blocks different in depth or the soil-enclosing rhizomes different in depth, and the universality of the compound farmland leveling machine is improved.
Owner:吾家农场成都农业有限公司
Four-supporting-leg launch vehicle chassis leveling method
InactiveCN107719711AReduced leveling timeImprove leveling efficiencyCosmonautic ground equipmentsVehicle fittings for liftingDouble supportLaunch vehicle
The invention discloses a four-supporting-leg launch vehicle chassis leveling method. The leveling method includes steps: step 1, controlling a launch vehicle to extend four supporting legs to an expected height at the same time; step 2, acquiring the position of a gravity center of a launch vehicle chassis, judging whether the gravity center of the launch vehicle chassis is positioned at an origin of a pre-established coordinate system or not, if yes, executing a step 5, and if not, executing a step 3; step 3, on a coordinate plane, judging a quadrant of the gravity center; step 4, accordingto the quadrant of the gravity center, sequentially performing single-supporting-leg adjustment operation and double-supporting-leg adjustment operation to make the gravity center at the origin of thecoordinate system; step 5, completing leveling of the four-supporting-leg launch vehicle chassis. The method has advantages that leveling time of the four-supporting-leg launch vehicle chassis is effectively shortened, leveling efficiency is substantially improved, and accordingly launch vehicle operation task completion is supported reliably.
Owner:BEIJING INST OF SPACE LAUNCH TECH +1
Vehicle attitude control method
InactiveCN106080085AAvoid situations where usage requirements are not metReduced leveling timeResilient suspensionsAttitude controlRisk stroke
The invention discloses a vehicle attitude control method. The control method comprises the following steps: obtaining a height value needed by vehicle minimum attitude leveling according to a supporting point compensation height algorithm; when the maximum value of the height values of a front supporting point, a rear supporting point, a left supporting point and a right supporting point is greater than the maximum stroke of a suspension rack, carrying out leveling broadening bias iterative calculation; calculating a supporting point compensation height according to a result obtained by the leveling broaden bias iterative calculation; leveling according to a result obtained by the calculation of the supporting point compensation height. The method can be used for estimating vehicle body attitude leveling.
Owner:安庆新景技电子科技有限公司
Leveling device and reaction chamber
ActiveCN111326438AImprove the level ofAchieve the leveling effectSemiconductor/solid-state device manufacturingScrew threadReaction chamber
The invention provides a leveling device and a reaction chamber. The leveling device comprises an elastic connecting piece, at least three leveling screws and a leveling plate for bearing supporting columns, wherein the leveling plate is elastically connected with the bottom wall of the chamber through the elastic connecting piece; at least three threaded holes penetrating through the leveling plate in the thickness direction of the leveling plate are formed in the leveling plate at intervals in the circumferential direction of the leveling plate; and the leveling screws are matched with the threaded holes in a one-to-one correspondence mode, and the lower end of each leveling screw abuts against the bottom wall of the chamber. According to the leveling device and the reaction chamber provided by the invention, a plurality of supporting columns can be leveled conveniently and quickly, the leveling time is shortened, and the working efficiency is improved.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Metal plate levelling process
The invention discloses a metal plate levelling process which has the advantages of having simple operation and improving the flatness of a metal plate. The metal plate levelling process comprise the following steps: locally heating an uneven part of the metal plate; and then, splashing cold water to the uneven part. According to a principle of expansion on heating and contraction on cooling, through the method of heating first and then cooling, the metal plate can be conveniently leveled, the levelling time is greatly shortened, and the work efficiency is improved; and meanwhile, the flatness of the metal plate after the levelling is also improved.
Owner:JIANGSU YINHE ELECTRONICS
Improvement equipment for vibrating and leveling inverted-arc filling part
PendingCN107420116AIncrease coverageImprove leakage vibrationUnderground chambersTunnel liningStructural engineeringElectric consumption
The invention discloses improvement equipment for vibrating and leveling an inverted-arc filling part. The improvement equipment comprises vibrators, a leveling plate, trestle girders, a walking part, I-shaped beams, a lifting rod, the inverted-arc filling part, a middle adjusting camber part, motors and an ironing plate. The improvement equipment has the advantages that a full-automatic leveling machine is added on the basis of a full-automatic hydraulic inverted-arc trestle, the equipment is easy to operate, after inverted-arc filling, quick vibration and compacting are conducted, the leveling effect is good, and the problems that vibration missing and excessive vibration exist in original filling concrete vibration can be effectively solved. Conventional inverted-arch surface finishing is conducted through the adoption of the coordination of labor and an electric trowelling machine, 12 m inverted-arcs need to be provided with three electric trowelling machines, and it take about 2.5 h for two people to complete the work, and the electricity consumption amount is 16.5 degrees; meanwhile, when the full-automatic leveling machine is adopted, the 12 m inverted-arcs need to be provided with one set of XDSZ-100 type full-automatic leveling machine, the consumed time is about 0.4 h, the electricity consumption amount is 1.3 degrees, the leveling time is then shortened, and the labor investment is reduced.
Owner:中交中南工程局有限公司
Special machine tool for inner hole boring of ultralong large-diameter cylinders
PendingCN108580968APrevent left and right movementEliminate vibrationFeeding apparatusLarge fixed membersEngineeringCantilever
The invention relates to a special machine tool for inner hole boring of ultralong large-diameter cylinders. Stands are arranged on the left and right sides of a fixed platform; the top of the stand on the left side is fixedly connected with one end of a boring rod through a fastening bolt; the top of the end of the boring rod is fixedly connected with a boring rod cantilever fixing device; the boring rod cantilever fixing device is in threaded connection with a fixed frame pull rod on one side of the stand on the left side through a lever nut; a guide rail is arranged on the boring rod in theleft-right axle direction; the guide rail is slidingly connected with a cutter head module; the cutter head module is connected with a quick-slow cutter feeding mechanism; a cylinder sleeves the boring rod; the cylinder is clamped through a positioning support wheel set; a transmission device for rotating the cylinder is arranged at the end part of the right side of the cylinder; and the transmission device is positioned at the top of the stand on the right side. The special machine tool can meet the machining requirements of cylinders with large diameters, long lengths and high weights, andhas the characteristics of high stability in the machining process and convenience to load and unload the cylinders.
Owner:江苏武东机械有限公司
Hydraulic support leveling system for vehicle
InactiveCN108087369AReduced leveling timeLow costServomotor componentsVehicle fittings for lifting and manoeuvringFuel tankEngineering
The invention relates to a hydraulic support leveling system for a vehicle. The hydraulic support leveling system comprises a hydraulic oil tank, a high-flow hydraulic oil pump, a manual hydraulic oilpump, a low-flow hydraulic oil pump, a front left oil cylinder, a front right oil cylinder, a rear left oil cylinder, and a rear right oil cylinder; and the front left oil cylinder, the front right oil cylinder, the rear left oil cylinder, and the rear right oil cylinder are installed on a vehicle body beam. The hydraulic support leveling system further comprises a hydraulic valve integrated component which is provided with a first magnetic valve, a second magnetic valve, a front left oil cylinder control valve, a front right oil cylinder control valve, a rear left oil cylinder control valve,a rear right oil cylinder control valve; the high-flow hydraulic oil pump, the manual hydraulic oil pump, and the low-flow hydraulic oil pump separately communicate with the oil inlets P of the firstmagnetic valve and the second magnetic valve through one-way valves; the front left oil cylinder is connected with the front left oil cylinder control valve in a communicating mode; the front right oil cylinder is connected with the front right oil cylinder control valve in a communicating mode; the rear left oil cylinder is connected with the rear left oil cylinder control valve in a communicating mode; and the rear right oil cylinder is connected with the rear right oil cylinder control valve in a communicating mode. The hydraulic support leveling system for the vehicle can quickly and stably level the vehicle and a carrying device to a specified high precision index to enable the carrying device to work normally.
Owner:重庆大江智防特种装备有限公司
Automatic horizontal adjusting device and adjusting method for platform
ActiveCN102806819BHigh leveling accuracyConducive to labor protectionResilient suspensionsAir springRemote control
The invention discloses a platform level automatic adjustment device and an adjustment method, comprising a platform, an air spring is installed under each corner of the platform, the air spring is connected to the upper end of the lifting mechanism installed in the supporting leg, and the lower end of the lifting mechanism is connected to the transmission The device is connected, the base is set under the supporting legs, the support A is installed in the middle of the bottom of the table, and the regulating air valve is fixedly installed under the table. The regulating air valve is connected to the air spring through the air pipe, and one end of the swing rod is the ball head A , fixed by the ferrule on the outer cover of the support A, the other end of the swing rod is equipped with a plumb weight, the rod body of the swing rod is equipped with a cantilever, the end of the cantilever is correspondingly below the contact point of the regulating air valve, and the lock is fixed above the base The plate and the movable magnetic block in the plumb weight are controlled and locked by the remote control switch. The invention also provides a level adjustment method of the platform. The platform adjustment device and the adjustment method have the characteristics of short leveling time, high leveling precision and high reliability.
Owner:JIANGXI LIANSHENG TECH
Finished automobile posture control method
InactiveCN109367345AAvoid situations where usage requirements are not metReduced leveling timeResilient suspensionsAttitude controlControl theory
The invention discloses a finished automobile posture control method which comprises the following steps of obtaining a height value required for levelling the lowest posture of a finished automobileaccording to a supporting point compensation height algorithm; when the maximum value in height values of four front, back, left and right supporting points is larger than the maximum stroke of a suspension, carrying out levelling broadening deviation iterative computation; calculating the supporting point compensation height according to a result obtained through levelling broadening deviation iterative computation; and levelling according to a result obtained through supporting point compensation height computation. The finished automobile posture control method provided by the invention canbe used for estimating automobile posture levelling.
Owner:杨静
Semiconductor heat treatment equipment technology door state detection device and detection method
InactiveCN106568418AAvoid leveling errorsReduced leveling timeFluid-tightness measurementIncline measurementEngineeringThermal treatment
The invention discloses a semiconductor heat treatment equipment technology door state detection device, which comprises at least three buffers that are not in a same straight line and a detection unit. Buffers are fixed between the lower end surface of a technology door and a support disc. Each buffer comprises a sleeve, which is thoroughly arranged and fixed on the support disc and is provided with an opening in the top of the sleeve; a top column, which is arranged in the sleeve, wherein the top end surface of the top column protrudes the opening of the sleeve and is fixed to the lower end surface of the technology door, and the lateral surface of the top column is provided with axial scales; a spring, whose top is connected to the lower end surface of the top column; and a plug screw, whose upper end surface is connected to the bottom of the spring, and the lower end surface is fixedly connected to the lower end of the sleeve. When the technology door is lifted to the closing position of the technology door, the detection unit can rapidly and accurately detect the sealing state and / or levelness of the technology door according to the corresponding axial scales of the tops of the sleeves of the buffers.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Rapid automatic leveling control method for multi-point supporting heavy-load platform
PendingCN113126656AImprove wind resistanceImprove stabilitySurveying instrumentsPosition/direction controlGround contactControl engineering
The invention discloses a rapid automatic leveling control method for a multi-point supporting heavy-load platform; the heavy-load platform comprises four main supporting legs, a plurality of auxiliary supporting legs and a double-shaft horizontal angle sensor, wherein the method comprises the following steps: S1, all the supporting legs stretch out, and each supporting leg stops moving after each supporting leg touches the ground; S2, the four main supporting legs stretch out independently and stop moving after lasting for a set time; S3, according to the included angles between the X and Y axes of the heavy-load platform and the horizontal plane fed back by a double-axis horizontal angle sensor, the lifting motion of the main supporting legs 1 and 3 or the main supporting legs 2 and 4 is adjusted until the included angles between the X and Y axes of the heavy-load platform and the horizontal plane approach to a set dead zone; S4, all the auxiliary supporting legs stretch out and stop until the auxiliary supporting legs touch the ground; and S5, all the auxiliary supporting legs extend to the set distance at the same time, so that ground contact compaction is achieved. The problem that the auxiliary supporting legs interfere with the levelness is solved, the success rate of multi-point automatic leveling is greatly increased, and the wind resistance and stability of the heavy-load platform are greatly improved.
Owner:ANHUI BOWEI CHANGAN ELECTRONICS
Quick cable connector for power construction
ActiveCN112713479AFirmly connectedEasily exposedLine/current collector detailsEngineeringStructural engineering
The invention discloses a quick cable connector for power construction, and belongs to the technical field related to power. The quick cable connector for power construction comprises frame bodies, a wire stripping assembly, an adjusting assembly and a cable connecting assembly, two frame bodies are arranged, a fixed pipeline is arranged in each frame body, an auxiliary inlet pipe is arranged on the outer wall side of each frame body, the wire stripping assembly is arranged close to the inner sides of the frame bodies, the adjusting assembly is fixed to the upper end of the wire stripping assembly, the adjusting assembly can adjust the inner diameter of the wire stripping assembly, the cable connecting assembly is fixed between the two frame bodies, holding rods are further fixed to the bottoms of the frame bodies, the baffles are fixed to the ends, away from the frame bodies, of the holding rods, and the side face of each frame body is further provided with a guide-out groove penetrating to the auxiliary inlet pipe. The connector can be used for automatically stripping a plastic layer outside a cable and adjusting the distance between wire stripping plates, is suitable for stripping cables of various sizes, and improves the cable connection efficiency and the working safety by fusing and combining the cables.
Owner:广东信科机电工程有限公司
Semiconductor heat treatment equipment processing gate state detection device and detection method
ActiveCN106340467AAvoid leveling errorsReduced leveling timeSemiconductor/solid-state device testing/measurementReaction tubeEngineering
The invention discloses a semiconductor heat treatment equipment processing gate state detection device, which comprises upper distance measuring sensors and a detection unit. There are at least three upper distance measuring sensors arranged on the side face of the processing gate, located at the same height below the upper surface of the processing gate and distributed along the circumference of the processing gate. When the processing gate rises to the processing gate closing position in contact with a quartz tube flange at the lower end of the reaction tube of the semiconductor heat treatment equipment, the sensors measure the distance from the processing gate to the quartz tube flange. The detection unit, based on the measured values of the upper distance measuring sensors, detects the sealing state and / or the horizontal degree of the processing gate. With the invention, it is possible to rapidly and accurately detect the sealing degree and / or the horizontal degree of a processing gate in a technology process.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Land leveller and shovel blade lifting control system thereof
ActiveCN103046594AImprove operational efficiencyFlexible controlSoil-shifting machines/dredgersControl modeHydraulic pump
The invention discloses a land leveller and a shovel blade lifting control system thereof. The shovel blade lifting control system comprises a hydraulic pump, a first reversing valve group, a second reversing valve group, a left oil cylinder and a right oil cylinder, and a first operating oil port of the first reversing valve group is selectively communicated with a cavity with a rod of the left oil cylinder through the second reversing valve group or simultaneously communicated with cavities with rods of the left oil cylinder and the right oil cylinder. A second operating oil port is correspondingly communicated with a rodless cavity of the left oil cylinder through the second reversing valve group or simultaneously communicated with rodless cavities of the left oil cylinder and the right oil cylinder. A third operating oil port is selectively communicated with the cavity with the rod of the right oil cylinder through a second reversing valve group or simultaneously communicated with the cavities with the rods of the right oil cylinder and the left oil cylinder. A fourth operating oil port is correspondingly communicated with the rodless cavity of the right oil cylinder through the second reversing valve group or simultaneously communicated with the rodless cavities of the right oil cylinder and the left oil cylinder. The shovel blade lifting control system is capable of realizing simultaneous and independent movement of the left and right oil cylinders and has the advantages of high operating efficiency and flexibility in control mode.
Owner:SANY HEAVY IND CO LTD (CN)
Leveling-free polygon prism measuring device and leveling-free polygon prism measuring method for trigonometric elevation measurement
ActiveCN112033357ASolve the errorSolve the problem that the prism needs to be leveledSurveying instrumentsHeight/levelling measurementMeasurement deviceMechanical engineering
The invention relates to a leveling-free polygon prism measuring device and a leveling-free polygon prism measuring method for trigonometric elevation measurement. The measuring device comprises a prism bar, at least two prisms fixed on the prism bar, a bracket connected with one end of the prism bar, a connecting assembly connected with the other end of the prism bar, and a control point metal mark. During use, one end of the prism bar is inserted into the ground through the bracket, and the other end of the prism bar is aligned with the control point metal mark through the connecting assembly, so that the prism bar is obliquely fixed. The mathematical relationship between a to-be-measured point and a measurement prism point is obtained through the spatial geometrical relationship betweendifferent prism points and a measurement station point;in the measurement process, the prism does not need to be leveled, and the height of the prism does not need to be measured, so that prism highmeasurement errors do not exist;the lower end of the device is in rapid and close fit connection with the control point metal mark through magnetism, so that prism centering errors do not exist, and compared with a traditional measurement method, prism erection is higher in efficiency and higher in precision.
Owner:CHONGQING JIAOTONG UNIVERSITY
Leveling device and reaction chamber
ActiveCN111326438BImprove the level ofAchieve the leveling effectSemiconductor/solid-state device manufacturingEngineeringScrew thread
The present invention provides a leveling device and a reaction chamber, comprising elastic connectors, at least three leveling screws and a leveling plate for carrying support columns, wherein the leveling plate is elastically connected to the bottom wall of the chamber through the elastic connectors; At least three threaded holes penetrating through the thickness of the leveling plate are arranged at intervals along the circumference of the leveling plate; each leveling screw is matched with each threaded hole one by one, and the lower end of each leveling screw against the bottom wall of the chamber. The leveling device and the reaction chamber provided by the present invention can conveniently and quickly level a plurality of support columns, reduce leveling time, and improve work efficiency.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Automatic leveling system and method suitable for steel pipe column working platform
ActiveCN112726670AReduced leveling timeImprove accuracyArtificial islandsUnderwater structuresControl engineeringLevel data
The invention relates to an automatic leveling system and method suitable for a steel pipe column working platform. The automatic leveling system comprises a control device, a horizontal monitoring device, and leveling devices, and the control device is configured to control one or more leveling device to adjust the horizontal deviation degree of a first direction and the horizontal deviation degree of a second direction of the working platform in a time-sharing asynchronous mode based on horizontal data about the first direction and horizontal data about the second direction transmitted by the horizontal monitoring device. Through the arrangement mode, rapid leveling of the working platform can be achieved.
Owner:北京住总集团有限责任公司
Inkjet type gluing spray head
ActiveCN108187969AReduced leveling timeRealize on-demand printing and sprayingLiquid surface applicatorsCoatingsEngineeringElectric control
The invention discloses an inkjet type gluing spray head. The inkjet type gluing spray head comprises a shell, a liquid inlet pipe, a liquid outlet pipe, liquid storage chambers arranged in the shell,multiple nozzles which communicate with the liquid storage chambers and are formed on the shell and an internal or external electric control portion, wherein the liquid inlet pipe and the liquid outlet pipe penetrate the shell and communicate with the liquid storage chambers. The number of the liquid storage chambers is at least two, heaters are arranged in the at least two liquid storage chambers correspondingly, the heating temperature of each heater can be independently controlled, and the heaters heat liquid in the corresponding liquid storage chambers correspondingly. According to the inkjet type gluing spray head, in the gluing process, agent liquid of different temperatures can be sprayed to different gluing portions according to needs, through high-temperature and low-viscosity agent liquid spraying, the agent liquid leveling time can be greatly reduced, and glue overflowing cannot happen through low-temperature and high-viscosity agent liquid spraying.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
A fast cable connector for electric power construction
ActiveCN112713479BFirmly connectedEasily exposedLine/current collector detailsStructural engineeringMechanical engineering
The invention discloses a fast cable connector for electric power construction, which belongs to the technical field related to electric power. The fast cable connector for electric power construction includes a frame body, a stripping assembly, an adjustment assembly, and a cable connection assembly. There are two. There are fixed pipes inside each frame, auxiliary access pipes are provided on the outer wall of the frame, and the stripping assembly is provided near the inside of the frame. The upper end of the stripping assembly is fixed with an adjustment assembly, and the adjustment assembly can adjust the stripping The inner diameter of the cable assembly, the cable connection assembly is fixed between the two frames, the holding rod is fixed at the bottom of the frame, the baffle is fixed on the end of the holding rod away from the frame, and the side of the frame is provided with a penetrating to the auxiliary The outlet slot at the entry tube; the connector can automatically strip the outer plastic layer of the cable, and at the same time, the distance between the stripping plates can be adjusted, which is suitable for stripping cables of various sizes. Cable connection efficiency and work safety are improved.
Owner:广东信科机电工程有限公司
Mounting locating tool based on double-layer manipulator and use method thereof
InactiveCN106141961AAchieve installationAchieve positioningWork holdersIntegrated operationsEngineering
The invention provides a mounting locating tool based on a double-layer manipulator and a use method thereof. The mounting locating tool not only can realize integrated operation of mounting and leveling front-end fingers of the double-layer manipulator but also reduces whole equipment maintenance time and reduces horizontal adjusting complexity. The mounting locating tool structurally comprises a mounting locating base plate, a locating hole for a lower-layer front-end finger of the manipulator and a locating hole for an upper-layer front-end finger of the manipulator, wherein the mounting locating base plate is of a symmetrical structure and is used for locating the upper and lower layers of front-end fingers of the manipulator, and the precision of the locating hole for the lower-layer front-end finger of the manipulator and the locating hole for the upper-layer front-end finger of the manipulator fully depends on machining precision. The structure is reasonable. The mounting and locating of the double-layer manipulator are realized by utilizing the symmetry of the mounting locating base plates and the locating hole structures, and after mounting, the levelness of the front-end fingers of the manipulator does not need to be adjusted, so that the horizontal adjusting time of the whole equipment is shortened. The tool is suitable for a double-arm structure having a left-right symmetrical double-layer manipulator and can be widely applied to the technical fields of the manufacture and application of semiconductor coating equipment.
Owner:PIOTECH CO LTD
A Track Line Coordinate Measuring System
The invention discloses a coordinate measurement system for track lines. The coordinate measurement system comprises a total station, a track inspection car and a processing unit. The total station erected on a track line is used for measuring three-dimensional coordinates of CP III points. The track inspection car running on the rack line is used for measuring line shapes between two corresponding line marking points of the two CP III points on the track line, and measuring horizontal distance and height difference values between the two line marking points and the two corresponding CP III points. According to the three dimensional coordinates of the two CP III points, geometrical relationships between the horizontal distance and height difference values between the two CP III points andthe corresponding line marking points thereof on the track line, and the line shapes between the corresponding line marking points of the CP III points on the track line, the processing unit solves three-dimensional coordinates of the corresponding line marking points of the CP III points on the track line by importing measurement data of the total station and the track inspection car. By the coordinate measurement system, the technical problems of labor and time consumption and low measurement accuracy of existing track line coordinate measurement methods can be solved.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD
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