31results about How to "With leveling function" patented technology

A concrete spraying mechanical arm only has the function of spraying concrete and does not have the function of concrete pumping. Crawler belt chassis are adopted for the mechanical arm and used for crawling. Leveling hydraulic air cylinders are arranged between a frame and the chassis, so that the mechanism arm performs construction on a ramp, wherein the gradient of the ramp is smaller than 30 degrees, and wet spraying performance is not affected. Hydraulic control is adopted for a multi-stage telescopic arm of a mechanical arm frame and can be freely operated in a narrow and long tunnel, a combination of manual speed adjustment and frequency conversion speed adjustment is adopted for the quantity of flows of additives, so that the control range of the quantity of flows of the additives is larger, and stepless adjustment is achieved. The mechanical arm can smoothly finish the concrete wet spraying operation in a narrow and small construction site and has the advantages of being small in size, light in weight, low in energy consumption and low in cost.

The invention relates to a stable type total station with a leveling function, which comprises a support, a bottom plate, a fixing box, a support column, a fixing block, a host, a fixing mechanism andfour leveling mechanisms, wherein the fixing mechanism comprises a knob, a transmission assembly and two fixing assemblies; each fixing assembly comprises a fixing rod, a connecting rod, a rack, a first gear, a rotating shaft and a first bearing; each leveling mechanism comprises a driving assembly, a sliding block, a fixing line, a fixed pulley and a limiting assembly; according to the stable type total station with the leveling function, through the fixing mechanism, the stability of the mounting host is improved, and the damage probability is reduced; and through the leveling mechanism, the horizontal state of the fixing box can be adjusted, so that the fixing box is always in the horizontal state without being influenced by a geographical environment, the inclination of equipment is avoided, and the measurement accuracy is improved.

The invention discloses an integrated three-axis acquisition and storage device for low-frequency environment vibration signals. The device is assembled in a modular manner, and each functional part is relatively independent. The device is packaged into an integral structure, is internally provided with a plurality of sensors, integrates three-axis sensing, acquisition, storage and power supply, and is used for realizing synchronous acquisition of weak environment vibration signals in three orthogonal directions. The device has the advantages of being small in size, light in weight, movable and portable, the single device can independently complete the whole process of data collection at the designated measuring point of a structure, no human intervention is needed except for moving the measuring point in the testing process, complex wire equipment connection wiring and consumption of a large number of related human resources in the field testing process are effectively avoided, and meanwhile, the equipment can realize unattended long-term monitoring under the condition of an external power supply.

The invention relates to the technical field of agriculture and animal husbandry machinery, in particular to an unmanned crawler-type multi-row intelligent no-tillage planter which comprises a crawler main machine, a fertilizer box and a suspension beam. The other end of the suspension beam is hinged to a fertilizing and ditching mechanism, and the output end of the fertilizer box is communicated with a fertilizing pipe; a plurality of seeding mechanisms are hinged to the rear end of the crawler main machine, each fertilizing and ditching mechanism comprises a fertilization suspension beam hinged to one end of the suspension beam, each fertilizing and ditching mechanism comprises a fertilization and ditching assembly and a grass cutting assembly, and each seeding mechanism comprises a seeding and ditching assembly, a seeding machine and a soil covering and pressing device; and each seeding and ditching assembly is connected with the rear end of the crawler main machine through a four-linkage mechanism. According to the unmanned crawler-type multi-row intelligent no-tillage planter, the utilization rate of the crawler main machine is effectively increased, the leveling function of the fertilizing and ditching assemblies and the grass cutting assemblies is achieved, the survival rate of seeds is increased, and the structural integration, the automatic development direction and the operability and the convenience of the planter are improved.

The invention discloses a PCB substrate conveying device with a leveling function. A first conveying belt mechanism comprises a first conveying belt and a plurality of first compression rollers, and the first compression rollers are disposed below the first conveying belt and can enable a PCB substrate to abut against the surface of the first conveying belt; A second conveying belt mechanism comprises a second conveying belt and a plurality of second pressing rollers, the second pressing rollers are arranged above the second conveying belt and can press the PCB substrate on the surface of thesecond conveying belt, the first conveying belt mechanism and the second conveying belt mechanism are arranged front and back, and the first conveying belt and the second conveying belt are parallel to each other and distributed in an up-down staggered mode; and a leveling roller is arranged below an output end of the first conveying belt in a liftable mode and is close to an input end of the second conveying belt, and the leveling roller can adjustably press the PCB substrate against the surface of the first conveying belt. The invention discloses a grinding machine, the leveling roller can press the PCB substrate towards the first conveying belt, and bending deformation of the PCB substrate is avoided.

The invention discloses a lifting appliance with a levelling function. The lifting appliance comprises a lifting appliance body, wherein a square inserting groove is formed in the bottom of the lifting appliance body, a positioning groove is formed in the rear side of the inner wall of the square inserting groove, a fixing mechanism is arranged inside the front side of the lifting appliance body, and a square inserting block is inserted into the square inserting groove. According to the lifting appliance, the lifting appliance body, the square inserting groove, the positioning groove, the fixing mechanism, a threaded rod, a rotating handle, an extrusion block, the square inserting block, an automatic levelling instrument, an auxiliary positioning mechanism, an annular block, positioning columns, a circular groove, a cooperating groove, a storage groove, a positioning mechanism, a pushing rod, a pushing handle, a positioning rod, a positioning block, an extrusion spring, a signal receiver, a positioning hole, a circular cooperating hole, a square through hole, a limiting groove and a limiting block are arranged and used cooperatively, and therefore the problem that the existing levelling effect is poor is solved, and the lifting appliance with the levelling function has the advantage of good levelling effect.

The invention discloses a building interior wall thickness detection method. The method is characterized by comprising the following steps: step a, detection equipment is designed; b, during detection, a detector downwards screws an auxiliary limiting screw to be flush with the ground and downwards moves by screwing a threaded sleeve, a movable contact clamping plate can be driven to be attached to the wall, and fixed limiting insertion rods are symmetrically and fixedly connected to the side ends of the movable contact clamping plate; the fastening limiting screw is fastened with the fixed limiting inserting rod when being downwards screwed to the limiting position, the limiting clamping groove is formed in the top end of the supporting fixing plate, and the limiting moving key can be slidably inserted into the limiting clamping groove, so that it can be guaranteed that the moving clamping plate moves inwards along a straight line, and the fastening limiting screw is symmetrically and fixedly connected to the side end of the moving clamping plate through the fastening spring, the movable clamping plate can be extruded to move inwards all the time; and c, when the movable clamping plate moves, the U-shaped pointer can be driven to slide on the bottom end of the supporting and fixing plate, so that the thickness of the top wall surface can be observed and detected.

The invention discloses an underwater simulation training frame vehicle for a spacecraft cabin. The underwater simulation training frame vehicle comprises a frame mechanism, a driving wheel mechanism, a locking mechanism and a leveling mechanism. According to the unwheeling, the structural design of the frame mechanism is reasonable, the strength can meet the requirement for supporting a training cabin body, meanwhile, the requirement for light weight is met, and the service life of the unwheeling is effectively prolonged by spraying the anti-corrosion coating on the outer surface of the frame; the self-adaptive double-roller driving wheel mechanism is connected with the cabin body, so that the cabin body can rotate around the axis direction while the cabin body is horizontally and stably placed; the driving wheel mechanism can adapt to a certain amount of deformation of the cabin body, and the clamping stagnation phenomenon and the eccentric rotation phenomenon in the cabin body rotation process can be prevented; the locking mechanism can enable the training cabin to rotate in different quadrants and stay in any quadrant to work. The leveling mechanism can adapt to an uneven placement base plane, the height positions of the rack car and the cabin body are adjusted, meanwhile, the self-locking function is achieved, and the using safety of the rack car is guaranteed.

The invention discloses a punching machine tool with the leveling function. The punching machine tool comprises a leveling machine head, a top box is fixedly arranged above the leveling machine head,electric telescopic air cylinders are fixed below the top box, a control case is arranged below the leveling machine head, an electric distribution box is fixed to the front wall of the control case,a starting button is arranged on one side of the upper wall of the electric distribution box, the other side of the starting button is provided with a stop button, and wheels are welded to the cornersof the bottom of the control case. According to the punching machine tool with the leveling function, an upper pressing plate moves up and down through stretching out and drawing back of the electrictelescopic air cylinders, a material between the upper pressing plate and a lower pressing plate is repeatedly extruded, and therefore the leveling effect is achieved; and the multiple electric telescopic air cylinders are arranged and fixed through the top box of a flat plate structure, and therefore consistency of up and down moving of the electric telescopic air cylinders is ensured, and the material surface leveling effect is better.

The invention discloses an aerodynamic characteristic measuring device capable of automatically adjusting the distance between upper and lower rotors of a Mars aircraft. The invention belongs to the field of Mars aircraft research and development. The invention mainly aims to solve the problem that a split-type Mars aircraft rotor system lift-drag characteristic measuring device in the prior art cannot measure the lift-drag characteristic of a double-rotor system in the earth atmospheric environment and the Mars atmospheric environment. The invention provides an aerodynamic characteristic measuring device capable of automatically adjusting the distance between an upper rotor and a lower rotor of a Mars aircraft. The device comprises a rack, an up-down lifting sliding table mechanism, an upper rotor mechanism and a lower rotor mechanism, wherein the up-down lifting sliding table mechanism is installed in the rack, the lower rotor wing mechanism is installed on the up-down lifting sliding table mechanism, the upper rotor wing mechanism is installed on the upper portion of the rack, and the upper rotor wing mechanism and the lower rotor wing mechanism are oppositely arranged. The device is used for experiments in two modes of the earth environment and the vacuum environment, and provides important test data for further research of Mars aircrafts.

The invention discloses a cultivation soil treatment device for agricultural cotton planting, and relates to agricultural equipment. The device comprises a fixed rod; a plurality of scraping teeth are fixedly connected to the left end of the fixed rod at the intervals of 2-8 cm, a fan-shaped vertical plate is fixedly connected to the upper side of the fixed rod, a swing rod is rotatably connected to the outer side of the fan-shaped vertical plate, and a special-shaped scraping plate is fixedly connected to the left end of the swing rod; the special-shaped scraping plate at least comprises a first scraping part and a second scraping part; when the fixed rod and the swing rod are in a horizontal state, the first scraping part is located below the scraping teeth and is in a downward arc convex shape, and the second scraping part is located at the upper left of the first scraping part and is in an upward arc convex shape. The device is simple in structure and convenient to use; when in use, the device can scrape away large impurities in cultivation soil through the scraping teeth to facilitate cotton cultivation and transplantation, and the device also has the function of leveling the cultivation soil while scraping away the impurities; the operation is simple, the cultivation process is simplified, and the device is worth promoting.