66results about How to "Reduced leveling time" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.