135results about How to "Flexible height adjustment" patented technology

The invention discloses a multifunctional worktable for electric power maintenance. The multifunctional worktable comprises a base and a worktable. The base is connected with the worktable through telescopic rods. The telescopic rods comprise an inner telescopic rod and external telescopic rods. One inner telescopic rod is arranged and is located at the middle part of the base, and the upper end of the telescopic rod abuts against the bottom surface of the worktable. Four external telescopic rods are arranged at four corners of the base. According to the multifunctional worktable in which connection through the inner telescopic rod and the external telescopic rods is utilized, flexible height adjustment on the worktable can be performed, thereby satisfying use by persons with different heights and realizing high practicability.

The invention relates to a support device, a belt conveyor and a mobile crusher, wherein the support device comprises a first support structure, a second support structure and a third support structure; the first end of the first support structure is hinged to a first base; the second end of the first support structure is used for hinge joint of a rack; the first end of the second support structure is hinged to a second base; the second end of the second support structure is in sliding connection with the rack; the first end of the third support structure is hinged to a third base; the second end of the third support structure is hinged to the first support structure; a power mechanism is arranged on the third support structure; the power mechanism can drive the third support structure to stretch out and draw back to drive the first support structure to rotate to further drive the rack to slide relative to the second support structure and adjust the height and dip angle of the rack. According to the invention, the height and dip angle of the rack can be flexibly adjusted.

The invention discloses an intelligent nursing device and a control method thereof. The intelligent nursing device comprises a mounting plate, driving wheel components are symmetrically arranged at four corners of the bottom surface of the mounting plate, a cleaning part is arranged in the middle of the bottom surface of the mounting plate, the top surface of the mounting plate is provided with anilluminating lamp, a loudspeaker, a temperature and humidity detection part, a voice recognition module, a control panel, a fire extinguishing part, a power supply and a bluetooth module, a motor frame is arranged in the middle of the top surface of the mounting plate, a second servo motor is arranged in the motor frame, a rotating platform is fixed at the top end of an output shaft of the secondservo motor, an alarm lamp is arranged on the outer side surface of the rotating platform, a lifting frame is arranged in the middle of the top surface of the rotating platform, a riding platform isfixed at the top end of the lifting frame, a visual detection sensor is arranged at the left end of the top surface of the riding platform, a steering engine is fixed at the right side surface of theriding platform, a mechanical arm extending rightwards is arranged at the bottom end of the steering engine, and a vital sign detection sensor is arranged on the mechanical arm. The intelligent nursing device is comprehensive in function and high in practicability.

The invention relates to a livestock feed casting test stand. The livestock feed casting test stand is characterized in that the test stand comprises a support; a material box is arranged on the support; scrapers are arranged inside the material box; a driving chain is arranged at the two ends of the scrapers; the rear part of the inside of the material box is provided with a baffle roller, a shifting roller and a feed casting auger sequentially from top to bottom; a weighing sensor is arranged between the support and the material box; a weighing display screen is disposed on the wall of the material box. The livestock feed casting test stand is a feed casting test stand of a cattle and sheep feeding car; the test stand can flexibly adjust rotating speeds of a scraper conveyor spindle, a feeding auger, the baffle roller and the shifting roller through a frequency converter; the interval of the scrapers can be adjusted through selection of different chain lugs; the position height of the baffle roller and the shifting roller of a feed casting car can be flexibly adjusted through moving of a device support; traveling feed casting of the feed casting car is simulated through relative motion of a static rack and belt conveyor driving.

The invention relates to the technical field of building machines and discloses an automatic wall whitewashing machine. The automatic wall whitewashing machine comprises a chassis (1), a vertical rod (2) perpendicularly connected with the chassis (1), and a plastering device (3) lifted up and down along the vertical rod (2). A hydraulic lifting system (4) is connected to the bottom of the plastering device (3), a stirring and extruding paddle (9) is arranged in the plastering device (3), a mortar discharging port (10) is formed in the plastering device (3), a plastering board (11) is connected below the mortar discharging port (10), a PLC control circuit (6) is arranged on the chassis (1), a laser thickness gauge (12) is arranged on the plastering device (3), a hydraulic rod (13) is connected to the back face of the plastering board (11), and the laser thickness gauge (12) and the hydraulic rod (13) are respectively connected with the PLC control circuit (6). According to the automatic wall whitewashing machine, because the whitewashing thickness is monitored through the laser thickness gauge and adjusted by adjusting the pressure of the hydraulic rod, the whitewashed wall is uniform and attractive, manpower is effectively saved, and production efficiency is greatly improved.

A cutting machine for cutting lower hems of skirts comprises a base, a support rod, a clothes hanger, and cutting scissors. The support rod is fixedly mounted on the base. The clothes hanger is disposed at the upper end of the support rod. A connecting rod is arranged on the cutting scissors and is rotatably connected with the support rod through a bearing. The bearing comprises a bearing body and a bearing sleeve; the bearing body sleeves the support rod and is connected with the connecting rod by welding. The cutting machine has the advantages that the cutting scissors are connected to a support frame through the bearing, the cutting scissors can accordingly rotate by 360 degrees around the lower hem of a skirt to be cut, on the clothes hanger, for cutting, and strictly uniform length of the lower hem is ensured; the connecting rod is a pneumatic lifting device, so that the height of the cutting scissors can be adjusted flexibly and easily.

The invention discloses a mechanical trolley with convenience in loading and unloading goods. The mechanical trolley comprises a plate frame. A group of square sleeves is welded at one end of the plate frame, lifting plates are nested in the square sleeves, handles are welded on the tops of the lifting plates, a group of support legs is penetratingly arranged on the plate frame and is close to theend of the plate frame, a group of manual cylinders is detachably connected with the middle of the plate frame, lifting arms of the manual cylinders are connected with one another by lifting connecting rods, fixing frames are welded on two sides of the plate frame, the other end of the plate frame is hinged to a tipping bucket by a hinge pin, a detachable door is further inserted in the end, which is hinged to the tipping bucket, of the plate frame, bearing blocks are detachably connected with the bottoms of piston rods of the manual cylinders and are in running fit with a wheel axle, and wheels are connected with two ends of the wheel axle. The mechanical trolley with the convenience in loading and unloading the goods has the advantages that the height of the mechanical trolley can be flexibly adjusted, and accordingly the mechanical trolley can bring convenience for goods loading and unloading work and is beneficial to saving the physical strength of staffs and low in manufacturingcost.

The invention discloses a flight attendant etiquette training device which comprises a bottom plate, a lifting mechanism is fixedly mounted on one side of the top end of the bottom plate, a connecting rod is slidably clamped in the middle of the top end of the lifting mechanism, an adjusting mechanism is fixedly mounted at the top end of the connecting rod, and a top rod is rotatably arranged on the upper portion of the adjusting mechanism; buffering assemblies are fixedly installed at the four corners of the bottom end of the bottom plate, and a gradienter of a right-angle distribution structure is fixedly clamped to one side of the top end of the bottom plate. The lifting mechanism comprises a mechanism outer frame, and a bottom frame is fixedly installed at the bottom end of the mechanism outer frame. By arranging the lifting mechanism, the height positions of the connecting rod and the top rod are flexibly adjusted, and a back attaching arc plate and a shoulder attaching plate are made to be attached to the back and the shoulders of a flight attendant correspondingly; therefore, the auxiliary training of the flight attendants of different heights is effectively achieved, and the effect of etiquette training of the flight attendants is improved.

The invention relates to a mobile phone support. The mobile phone support comprises a sucker, a telescopic rod and a mobile phone clamp. The sucker is connected with one end of the telescopic rod, the other end of the telescopic rod is connected with the mobile phone clamp, the sucker is connected to one end of the telescopic rod through a connector, the connector comprises a sucker spanner, and the sucker is sucked or loosened by pulling the sucker spanner. The telescopic rod comprises multiple casing pipes, every two adjacent casing pipes are connected together in a sleeved mode, the mobile phone clamp is connected with the telescopic rod through a rotary sleeve, the mobile phone clamp comprises at least one clamping device, each clamping device at least comprises two clamping plates, an anti-skidding patch is arranged on the inner layer of each clamping plate, and the reliability of the mobile phone support for clamping a mobile phone is enhanced. The height and the angle of the mobile phone can be flexibly adjusted by changing the length of the telescopic pipes of the mobile phone support and the angle of the rotary sleeve, and the mobile phone is always located in an optimal position for being used and watched.

The invention discloses a double-pole positioning mechanism for a liquid crystal display screen in an exhibition. The double-pole positioning mechanism comprises two metal vertical poles arranged in parallel, and is characterized in that sleeve joints are respectively arranged on the two metal vertical poles at the same height in a sleeving mode; each sleeve joint is respectively adsorbed and fixed onto the corresponding metal vertical rod by virtue of a plurality of magnetic blocks arranged on the inner wall of the corresponding metal vertical pole. The double-pole positioning mechanism further comprises a support base strip arranged between the two sleeve joints; the two ends of the support base strip are respectively connected with the corresponding sleeve joints rotationally through ratchet self-locking rotating mechanisms; a liquid crystal display screen assembling board is fixed on the support base strip. The double-pole positioning mechanism is simple in structure and convenient to mount, the liquid crystal display screen is conveniently positioned, and the placement height and front and rear elevation angles of the liquid crystal display screen can be flexibly adjusted.

The invention discloses a sectional guide rail mounting trolley of a container ship transverse compartment. The mounting trolley comprises a bottom plate, a pillar, a pillar sleeve, pull rings, a bracket and a wheel. The pillar sleeve is fixedly arranged on the bottom plate; the pillar is sleeved in the pillar sleeve; a mounting hole is formed in the pillar; an adjusting hole is formed in the pillar sleeve; and the pillar and the pillar sleeve are movably connected through the mounting hole and the adjusting hole. The wheel is arranged on a vertical plate at one end of the bottom plate. The bracket is fixedly arranged at the upper end portion of the pillar. The pull rings are fixed at the two sides of the bracket. With the sectional guide rail mounting trolley, the pre burying process of the transverse compartment guide rail is realized and the structure fabrication and the rail installation are implemented separately, so that the secondary turning of a hundred tons of heavy objects once is reduced and thus the safety is significantly improved. The position and the vertical height of the guide rail can be adjusted flexibly, so that the deformation of the transverse compartment bodyis reduced, the installation precision is improved by multiple times, and the construction efficiency of the ship is enhanced.

The invention belongs to the technical field of electric tools, and relates to a high-altitude lamp replacing device for replacing lamps. The high-altitude lamp replacing device comprises a pedestal, wherein the bottom of the pedestal is connected to an expansion link by a cardan joint; a central shaft with a hollow internal part is rotationally installed at the center of the upper part of the pedestal; a big gear, a spring, a taper sleeve, a pin and a nut are sequentially installed on the central shaft from the bottom up; the big gear is fixedly connected to the central shaft, and the central shaft is sleeved with the spring and clamped between the taper sleeve and the big gear; the taper sleeve movably sleeves the central shaft; the wall of the central shaft is provided with a pair of side openings along the axial direction from the nut position downwards, the pin is movably arranged in the side openings; a motor is also fixedly installed at the bottom of the pedestal, the power shaft of the motor passes through the pedestal, and then the small gear on the power shaft of the motor is meshed with the big gear. The high-altitude lamp replacing device can be applied to installing and uninstalling the lamps in vertical horizontal and any directions, and is wide in application range, simple in structure, low in cost and capable of being widely popularized for use.

The invention relates to the field of agricultural equipment, in particular to a saline-alkali soil peanut sowing mulch applicator and an operation method. The saline-alkali soil peanut sowing mulch applicator comprises a machine frame, the machine frame is used for supporting the whole device, a ditching device is arranged in front of the machine frame and can perform ditch digging, driving devices are arranged on the two sides of the lower part of the machine frame and can drive the device to move, and the driving devices are arranged below the machine frame so that a large ground clearance can be formed between the machine frame and the ground. A control box is arranged above the machine frame and used for controlling all power facilities, a sowing device is arranged above the machine frame and located behind the ditching device and can sow seeds into dug ditches, and a soil covering device is arranged above the machine frame and located behind the sowing device and can bury seeds in soil; and a film mulching device is arranged behind the machine frame and can cover the planted seeds with a mulching film. Peanut sowing and film mulching work can be easily and rapidly carried out.

The invention discloses a Chinese language and literature teaching board which comprises a group of support boards. An upright column is fixed onto the support board on each side of the Chinese language and literature teaching board, sleeves are movably connected with the upper ends of the upright columns, a U-shaped support is arranged between the two sleeves in a rotationally connected manner byrotary shafts, rocking handles are connected with the outer sides of the rotary shafts, fixing discs are fixed to the outer sides of the upper ends of the sleeves, a plurality of pin holes are formedin the fixing discs, connecting sheets are fixed to the inner sides of the rocking handles, hinge pins are inserted in the corresponding pin holes so that the connecting sheets and the fixing discs can be fixed to one another, dovetail slide grooves are formed in the inner sides of two ends of the U-shaped support, a quadrilateral frame is arranged on the inner side of the U-shaped support, connecting boards are fixed to two sides of the quadrilateral frame, dovetail sliders are connected onto the connecting boards and are slidably connected into the corresponding dovetail slide grooves, anda writing board is fixed to the inner side of the quadrilateral frame. The Chinese language and literature teaching board has the advantages that the Chinese language and literature teaching board issimple in structure and convenient to operate; the Chinese language and literature teaching board can be mounted on corresponding fixing frames, and accordingly the use height and angles of the Chinese language and literature teaching board can be flexibly adjusted.

The invention relates to a slit coating device with an improved support mechanism, and the slit coating device comprises a mold and the support mechanism. The support mechanism comprises a beam which is parallelly and correspondingly arranged below the mold; support parts which are arranged along the length direction of a beam at intervals and vertical to a support; a coupling mechanism of the support parts, the support parts are coupled to be able to be vertically ascended, descended and adjusted and moved along the length direction of the beam along with the thermal expansion and contraction along the length direction of the mold; a connecting plate component which comprises inner and outer connecting plates which are movably pin jointed through a pivot shaft and can be relatively swung in a plane which is parallel with the end surface at the length direction of the beam; a swing manipulation mechanism which is arranged to be able to drive the inner connecting plate to swing relative to the outer connecting plate; a fixed side plate which is fixed on a machine rack and is coupled with the outer connecting plate through a straight line sliding unit which is transversely horizontally arranged; and a pneumatic cylinder which is arranged to be capable of driving the outer connecting plate to horizontally move relative to the fixed side plate along the transverse direction. The slit coating device can simply flexibly carry out the adjustment of the position and the tilt angle of the mold and effectively eliminate the thermal stress caused by the thermal expansion and contraction of the mold.

The invention discloses a temporary support device for wind power generation, which comprises a moving mechanism and a fixed mechanism, wherein the fixed mechanism is arranged on the moving mechanism,and the moving mechanism is composed of antiskid supporting rods, lifting sliding slots, lifting sliding blocks, supporting plates, universal wheels, third hydraulic cylinders and a supporting bottomframe. The temporary support device is provided with the moving mechanism, the lifting of the universal wheels is realized through the third hydraulic cylinders when the temporary support device moves, and the temporary support device directly lifts the universal wheels and is supported by the supporting bottom frame when being supported and fixed, so that the structural flexibility of the support device is increased, and the temporary support device is enabled to be flexibly transformed between movement and fixation. The temporary support device is provided with first hydraulic cylinders andsecond hydraulic cylinders, thereby being capable of adjusting the angle of a fixing clamp sleeve. The height and angle of the support can be flexibly adjusted when the temporary support device is fixed, so that practicability of the support device is increased. The temporary support device is provided with a fixing lead screw and a fastening sliding block, thereby being capable of fixing tower piles with different diameters, and increasing the application range of the support device.

The invention discloses a microneedle array dry electrode based on a flexible substrate and a preparation method of the microneedle array dry electrode. The method includes the steps that needle tipsof metal microneedles are inserted downwards into a base with a plurality of micro-through holes which are not connected with one another to form a microneedle array; the needle tips of the arranged microneedle array are placed upwards in a groove, and a conductive prepolymer is added into the groove to be solidified and molded into the flexible conductive substrate; and the substrate with the micro-through holes is separated from the conductive microneedle array, and the microneedle array dry electrode based on the flexible substrate is obtained. The microneedle array dry electrode includes the metal microneedle electrode array and the flexible conductive substrate, and the flexible conductive substrate is combined with the metal microneedles to prepare the microneedle dry electrode; andthe preparation method is simple, the cost is low, the microneedle electrode strength is high, the safety is high, long-time and high-efficiency signal acquisition is realized advantageously, and themicroneedle array dry electrode can be widely applied to the technical field of medical apparatus and instruments.

The invention discloses decorative plasterboard vibration molding equipment, which comprises a workbench (11) with a vibrator (13), a bottom die adjusting device (9) arranged on the workbench, a bottom die (7) arranged on the bottom die adjusting device, a bracket (1) arranged on the workbench, a rotary rack (2) arranged on the bracket and positioned above the workbench and capable of rotating, a top cap adjusting device (5) arranged on the rotary rack, and a top cap (3) arranged on the bottom surface of the top cap adjusting device. The product produced by the equipment has the advantages of straight board edge, precise groove and tongue, uniform thickness, consistent rim size, high size precision, high breaking strength, deformation resistance and stable quality; and the equipment can manufacture tongue-and-groove surfaces of various shapes, and can reduce the technical requirement for workers and the labor intensity.

The invention discloses a laboratory test tube stand which comprises a base and test tubes. The middle of the bottom of the base is connected with a base plate through an arranged lift mechanism, an auxiliary support member is arranged at the top of the base along the diagonal position, a tube body location plate is arranged in the middle of the top of the base, insertion holes which are evenly distributed are formed in the surface of the tube body location plate and the surface of the base, and the test tubes are movably inserted into the insertion holes. The laboratory test tube stand is ingenious in structure and reasonable in design. By means of the auxiliary support member, the storage amount of the test tubes of the test tube stand can be increased, the test tubes in the test tube stand can be flexibly moved in experiments, the test tubes can be arranged in the test tube stand to observe the phenomena generated in the test tubes in the experiments when different chemical experiments are performed, the danger caused by taking the test tubes by hand to observe the experiment phenomena is avoided, and the use safety of the test tube stand is further improved.