46results about How to "Easy to change height" patented technology

The invention discloses a spray head installing device of an inkjet coding machine. The spray head installing device of the inkjet coding machine comprises an installing rack and an ink jet head connecting block. The spray head installing device of the inkjet coding machine further comprises a height adjusting part and an inclination adjusting block; a height fine adjusting bolt and a guide rod are arranged on the height adjusting part, a bolt hole is further formed in the height adjusting part, the height fine adjusting bolt can rotate around the bolt hole and the position of the height fine adjusting bolt relative to the height adjusting part does not change, the height fine adjusting bolt is parallel to the guide rod, the ink jet head connecting block is connected with the height fine adjusting bolt in a threaded mode, a guide rod groove is further formed in the ink jet head connecting block, and the guide rod is partially located in the guide rod groove; the height adjusting part and the inclination adjusting block are fixedly connected, the inclination adjusting block is connected to the installing rack, and the inclination adjusting block can rotate relative to a joint of the inclination adjusting block and the installing rack. According to the spray head installing device of the inkjet coding machine, adjustment of the position and the inclined angle of an ink jet mouth of the inkjet coding machine relative to a material platform is convenient, so that code printing efficiency and the code printing effect are facilitated.

The invention discloses a portable temporary traffic signal commanding device, which comprises a box body, a supporting plate and a storage battery box. Pulleys are installed under the box body, and a connecting shaft is fixed on the inner side of the box body. There are connecting rods, the first supporting rod and the second supporting rod are connected to each other through the rotating shaft, the supporting plate is located above the first supporting rod and the second supporting rod, and the supporting plate is connected to the The first support rods are connected with each other, the battery box is located above the supporting plate, the inner side of the box is filled with sponge, and the box cover is connected above the box. In the portable temporary traffic signal command device, the battery box can be folded or unfolded through the first support rod, the second support rod and the connecting rod, so that the battery box can be conveniently stored in the box body, and can also be unfolded from the box body to use the box body as a The base is placed, which is convenient for carrying and transportation, and it is convenient to change the height of the command device.

The invention discloses a dining room ordering mobile robot with a take-up function, and relates to the technical field of service robots. A base and a side support are particularly included, the bottom of the base is provided with a moving running mechanism, a heating and heat preservation mechanism is arranged above the base, the outer side of the heating and heat preservation mechanism is provided with an air inlet, an annular filter plate is installed in the middle of the air inlet, a main cylinder is arranged above the heating and heat preservation mechanism, an opening is arranged in thetop of the main cylinder, the inner side of the main cylinder is provided with a clamping slot, a stable storage mechanism is installed in the middle of the clamping slot, and a lifting adjustment mechanism is installed above the side support. According to the dining room ordering mobile robot with the take-up function, dishes transported by the robot is subjected to heat preservation through theheating and heat preservation mechanism, the structure of the robot for transporting the dishes is a sealed structure, the dishes can be protected inside, external dust and the like can be preventedfrom falling into the dishes, and the overall heat retaining property and functionality of the device are facilitated.

The invention discloses a cutting device for machining a chemical fiber waste. The cutting device comprises a bracket. A collecting box is movably arranged on the inner bottom wall of the bracket, anda vertical plate is welded on two sides of the top of the bracket respectively. A horizontal plate is fixedly mounted on the upper portions of the sides of the two vertical plates close to each other, and a driving motor is mounted in the middle at the top of the horizontal plate through a locking bolt. An output shaft of the driving motor is fixedly connected with a screw, the screw is sleeved with a mounting seat through threads, and two sides of the mounting seat are respectively provided with a push rod motor. A blade is fixedly connected to a piston rod of each push rod motor, and a blower is disposed on two sides of the driving motor respectively. By means of the two blades, the wastes on two sides can be cut simultaneously, and the cutting efficiency is improved. The cutting deviceis novel in structure, ingenious in design, simple in operation, convenient to use and suitable for popularization.

The invention discloses an irrigation device for tea planting. The irrigation device comprises a liquid storage tank, connecting boxes, a liquid collecting piece, a liquid extraction pump, a first rotating part and a stirring part; an annular box is arranged on the peripheral surface of the liquid storage box, and a filter screen is arranged on the liquid storage box and covers a first opening; the connecting boxes are located on the two sides of a protection box, electric extendable rods are arranged on the connecting boxes, and the electric extendable rods are connected with the protection box through height adjusting devices; a connecting piece and a liquid spraying head are arranged on the liquid collecting piece, and the connecting piece is connected with the connecting boxes through an inclination angle adjusting device; a liquid extraction pipe and a conveying pipe are arranged on the liquid extraction pump; a hose is arranged at the bottom of the liquid collecting piece, the other end of the conveying pipe is connected with the hose, and the other end of the liquid extraction pipe communicates with the annular box; and the first rotating part is arranged in the liquid storage tank, and the stirring part is arranged on the first rotating part. According to the irrigation device, the height, the inclination angle and the transverse position of the liquid spraying head can be conveniently adjusted so as to facilitate irrigation operation, a nutrient solution and water can be evenly mixed so as to improve the irrigation and fertilization effect, the liquid spraying head can be prevented from being blocked, operation is easy, functions are diversified, and the using effect is extremely good.

The invention discloses a vehicle-mounted lifting lamp being convenient to disassemble and assemble, include a fixing device, the fixing device comprises an object plate, two sets of fixing plates arewelded at the top of the storage plate, circular grooves are arranged on the sides of the fixing plates close to each other, A fixing plate is rotatably connected with a two-way screw at a circular groove, two sets of threaded sleeves are threaded on the outer side of the two-way screw, an L-shaped fixing rod is welded on the top end of the threaded sleeve, one end of the horizontal arms of the L-shaped fixing rod away from each other is welded with a squeeze plate, Two sets of sliding rails are arranged at the top end of the storage plate, and the threaded sleeves are slidably connected withthe sliding rails respectively. The bottom end of the storage plate is welded with a storage basket, and the bottom end of the storage basket is welded with a fixing pipe. The inner wall of the top end of the fixing pipe is provided with a first motor, and the output shaft of the first motor is vertically downward. Compared with the existing device, the invention can be conveniently installed anddisassembled, and is convenient to be adjusted in the interior of the automobile, and is convenient to be changed in height according to the use of the user.

The invention belongs to the field of supports, and especially relates to a medical infusion auxiliary support convenient to move, an existing infusion support is inconvenient to move, if rolling wheels are arranged at the bottom of the infusion support, the stability is poor in the use process, and when the infusion support is in contact with the outside, the infusion support moves, the use by people is inconvenient. The auxiliary support comprises a base, a mounting cover and a U-shaped plate are fixedly mounted on the two sides of the bottom of the base correspondingly. Two rotating shaftsare rotationally connected to the mounting cover; first wheels are fixedly mounted at the bottom ends of the two rotating shafts; and a mounting shaft is rotationally connected to the inner wall of the U-shaped plate; by starting a driving motor and a rotating motor, the support can be moved conveniently, the moving direction of the support can be adjusted conveniently in the moving process, and therefore when the support is used, convenience can be provided for medical staff, and a patient can use the support conveniently.

The invention discloses a prediction control system of a movable type stacker belt conveyor, and relates to the field of belt transportation. For solving the problems of ceaselessly adjusting a belt conveyor body by a worker due to the height problem, so that high cost and difficult mounting and maintenance are caused in the prior art. a discharging hopper is installed on one side of a side baffle, the lower end of a connecting lug is provided with a first electric hydraulic cylinder, a supporting plate is arranged below a fixing part, the two sides of the supporting plate are correspondinglyprovided with hydraulic oil cylinders, oil cylinder sleeves are installed at the lower ends of the hydraulic oil cylinders, a supporting rod is installed between the two hydraulic oil cylinders, movable rods are installed on one sides of the supporting rods, rotating screws are installed between the movable rods and the supporting rods, a second electric hydraulic cylinder is installed on one sideof the movable rods; and an oil cylinder motor is arranged on one side of the second electric hydraulic cylinder, a protective plate is installed outside the oil cylinder motor, a base is arranged below the protective plate, and universal wheels are installed below the base.

The invention discloses an industrial 3D simulation machine tool structure convenient to dismount and adjust. The structure comprises a machine tool body, a mounting plate, bearing rods and lifting sleeves, wherein fixing inserting holes are formed in the two sides of the upper surface of the machine tool body; a fixing groove is formed in the machine tool body; limiting grooves are formed in thetwo sides of the fixing groove; threaded insertion holes are formed in the surface of the mounting plate; fixed sliding rails are arranged on the two sides inside the machine tool body; each bearing rod is connected with the corresponding fixed sliding rail through a corresponding connecting sliding block; and each lifting sleeve is connected with a corresponding connecting plate through a supporting rod which is connected with the upper portion of the lifting sleeve. According to the industrial 3D simulation machine tool structure convenient to dismount and adjust, the mounting plate is provided with the threaded insertion holes of two specifications, thus different machining machines can be mounted on the mounting plate; when being actually used, the machine tool can achieve the functions of multiple industrial production; and the machine tool body and the supporting rods are conveniently dismounted and mounted so that dismount and transportation can be facilitated and transportationcost is reduced.

The invention discloses ridging furrow plough. The plough comprises two supporting columns, the tops of the two supporting columns are symmetrically fixedly provided with two fixing plates, the two fixing plates on the same supporting column are respectively clamped with a first mounting post and a second mounting post, the first mounting post and the second mounting post are clamped with the twofixing plates on the supporting column on the other side, and both ends of the two supporting columns are fixedly provided with connecting tubes. The plough is simple in operation, a first limiting column and a second limiting column can be longitudinally moved by rotating a rotating shaft respectively, thereby changing the longitudinal height of front or rear plough heads, a connecting shaft canbe pulled upwards, the spacing between the two supporting columns can be changed to conveniently change the height between the front and rear plough heads, the lateral spacing between the front and rear plough heads is conveniently changed, the certain simplicity is achieved during use, and convenience is provided for ridging forming and ditch cleaning and water-logging.

The invention discloses a shower which comprises a vertical rod, a top injection base arranged on the vertical rod, and a moving component composed of a clamping groove and a sprinkler. A first sliding groove extending downwards is formed in the vertical rod, a sliding groove formed along the first sliding groove is formed in the right side of the first sliding groove, a spiral thread rod is arranged in the first sliding groove, and the spiral thread rod is in matched connection with a movable block through an upper spiral thread. The right end face of the movable block is fixedly connected with the clamping groove, a first groove body and a second groove body are formed in the position, above the first sliding groove, of the vertical rod, a screen plate is arranged between the first groove body and the second groove body, and a second gear rotary wheel and a first gear rotary wheel are arranged in the first groove body. A fourth gear rotary wheel and a third gear rotary wheel are arranged in the second groove body, a first driving device is arranged in the screen plate, and the first gear rotary wheel and the fourth gear rotary wheel are in rotary connection with the first driving device. The shower is simple in structure, convenient to operate, capable of meeting narrow space needs and capable of automatically steering.

The invention discloses a spraying washing device for a semi-automatic pulsator washing machine. The spraying washing device comprises an outer cylinder. An inner cylinder is installed on the inner bottom wall of the outer cylinder in a rotating manner; a fixation plate is installed at the lower side of the inner wall of the inner cylinder by a locking bolt; a mounting slot is formed in the top ofthe fixation plate; a cam is arranged in the mounting slot; a guide pulley is arranged at the top of the cam movably; a movable rod is fixedly installed at the top of the guide pulley; and the upperend of the movable rod extends out of the mounting slot and is welded with a mounting plate. A water collection box is fixedly installed at the bottom of the mounting plate; and a plurality of nozzlesare fixedly connected to the bottom of the water collection box. An opening is formed in the center of the mounting plate; a water inlet pipe is fixedly installed on the inner wall of the opening; and the lower end of the water inlet pipe extends to the inside of the water collection box and the upper end of the water inlet pipe extends out of the outer cylinder. The spraying washing device basedon the reasonable structure is convenient to use; the distance between the nozzle and the clothes can be changed conveniently; the spraying effect is improved. And the spraying washing device is suitable for promotion.

The invention discloses an office table facilitating rest. The office table facilitating rest comprises a tabletop, wherein a first cavity and a second cavity are symmetrically formed in the two sidesof the bottom end of the tabletop; a plurality of drawing boxes which are arranged vertically are arranged on one side of the first cavity; a movable door is arranged on one side of the second cavity; a placement plate which is positioned below the tabletop and a mother board which is positioned below the placement plate are arranged between the first cavity and the second cavity; the mother board has a cavity structure; a movable plate is arranged on the side, which is away from the movable door, of the mother board; a fixing mechanism is arranged in the middle of the bottom end of the mother board; a daughter board which is connected with the movable plate is inserted in the mother board; supporting mechanisms are symmetrically arranged at the bottom of the end, which is away from the daughter board, of the mother board; and sliding openings are separately formed in the corresponding side surfaces of the first cavity and the second cavity. The office table facilitating rest has thebeneficial effects that by arrangement of the lifting mechanism, the heights of a lifting rod and a telescopic rod are convenient to change, thus, the inclined angle of the movable plate is adjusted,the inclined angle of the head of a user is adjusted, and a comfortable rest environment is provided for the user.

The invention discloses a passenger car chair with a storage function. The passenger car chair comprises a bearing seat, a connecting cover plate, a headrest and a protective air bag. A storage cabinet is arranged below the bearing seat, a cabinet door is installed on the surface of the storage cabinet, foot supports are arranged below the storage cabinet, the connecting cover plate is located onthe surface of the bearing seat, an adjusting bolt is connected to the surface of a fixing base, the headrest is connected with a sliding block through a supporting rod arranged below the headrest, the protective air bag is connected with an inner cavity of the headrest through a spring strip on the rear side, an opening is formed in the surface of the bearing seat, and a fixing protruding strip is arranged inside the opening. According to the passenger car chair with the storage function, the effect of storing objects is achieved while passengers can get in a car, the protective air bag is connected with the headrest through the spring strip, jolting during car running is lowered, meanwhile, the headrest can stretch and retract on a fixing base, and the chair can be conveniently used by persons of different heights.

The invention relates to a multifunctional medical walking aid. The multifunctional medical walking aid comprises supporting frames and a cushion, wherein the supporting frames are placed on two sides and connected through first connecting rods. Each supporting frame comprises a front supporting leg, a rear supporting leg and a Z-shaped armrest connected between the front supporting leg and the rear supporting leg. The top end of each armrest is connected with the top end of the corresponding rear supporting leg, the bottom end of each armrest is connected with the top end of the corresponding front supporting leg, and the first connecting rods are connected between the two rear supporting legs. A second connecting rod is connected between the front supporting leg and the rear supporting leg of each supporting frame, and the cushion is connected with the second connecting rods on two sides in a clamped mode. The multifunctional medical walking aid further comprises walking sticks and supporting bases, a first containing cavity is embedded in the upper portion of each rear supporting leg in a coaxial mode, and the lower end of each walking stick is arranged in the corresponding first containing cavity in a threaded connection mode. A second containing cavity is embedded in the bottom of each front supporting leg in a coaxial mode, a second containing cavity is embedded in the bottom of each rear supporting leg in a coaxial mode, the supporting bases are placed in the second containing cavities in a telescopic mode, and the lower portions of the front supporting legs and the lower portions of the rear supporting legs are in threaded connection with fastening screw rods used for fastening the supporting bases. The multifunctional medical walking aid is flexible to use and high in applicability.

The hydraulic machine comprises a hydraulic machine body, a lower die arranged on a workbench, an oil cylinder arranged on the hydraulic machine body, an upper die connected to the oil cylinder and an extrusion cylinder connected to a punch and used for extruding a metal cylinder. The lower die and the upper die are internally provided with positioning grooves used for limiting the metal cylinders and containing grooves enabling the metal cylinders to form outward bulging, an adjusting base is connected to the workbench, the lower die is fixed to the adjusting base, the positioning grooves vertically penetrate through the lower die and the upper die, the extrusion cylinders are arranged in the corresponding positioning grooves in a penetrating mode, and an installation groove is formed in the upper end face of the adjusting base. An adjusting block is arranged in the mounting groove in a sliding mode, an adjusting rod which is vertically arranged and penetrates through the positioning groove is fixed to the adjusting block, a positioning rod which penetrates through the metal cylinder is coaxially arranged at the upper end of the adjusting rod, and an adjusting mechanism which drives the adjusting block to move in the vertical direction is arranged in the mounting groove. The device has the effect of conveniently forming outward bulges at different positions of the metal cylinder.

The invention discloses a spray head support frame structure of an inkjet coding machine. The spray head support frame structure of the inkjet coding machine comprises an installing rack and an ink jet head connecting block. The spray head support frame structure of the inkjet coding machine further comprises a height adjusting part; a height fine adjusting bolt and a guide rod are arranged on the height adjusting part, the two ends of the guide rod are fixedly connected to the height adjusting part, a bolt hole is further formed in the height adjusting part, the height fine adjusting bolt is partially located in the bolt hole, the height fine adjusting bolt can rotate around the bolt hole and the position of the height fine adjusting bolt relative to the height adjusting part does not change, the height fine adjusting bolt is parallel to the guide rod, the ink jet head connecting block is connected with the height fine adjusting bolt in a threaded mode, a guide rod groove is further formed in the ink jet head connecting block, the guide rod is partially located in the guide rod groove, and the height adjusting part is fixedly connected with the installing rack. According to the spray head support frame structure of the inkjet coding machine, adjustment of the position of an ink jet mouth of the inkjet coding machine relative to a material platform is convenient, so that code printing efficiency and the code printing effect are facilitated.

The invention relates to a cleaning device, in particular to a quartz crushing and cleaning device. The quartz crushing and cleaning device comprises a crushing box, wherein a base is arranged at the bottom of the crushing box; the base comprises a bottom plate; spring seats are arranged at the positions, close to four corners, of the bottom of the bottom plate; electric telescopic legs are arranged at the bottoms of the spring seats; universal wheels are arranged at the bottoms of the electric telescopic legs; a water tank is arranged on the left side of the crushing box; a water pump is arranged at the top of the water tank; a connecting pipe is connected to the water outlet end of the water pump; the connecting pipe penetrates through the upper end of the outer wall of the crushing box and extends into an inner cavity of the crushing box; a spraying plate is arranged at an end of the connecting pipe in a communicating mode; a plurality of spray heads are arranged at an end of the spraying plate; a cleaning door is hinged to the outer wall of the crushing box; brushes are arranged on the two side walls of the interior of the crushing box; a plurality of bristles are arranged at an end of each brush; two crushing rollers are rotationally arranged in the crushing box; and the ends of the bristles are close to the outer walls of the crushing rollers. The quartz crushing and cleaning device has the advantages that the service life is long, cleaning is facilitated, quartz dust adhered to the surfaces of the crushing rollers can be brushed off, and the circumstance that the dust flies in the air and affects the health can be prevented.

The invention relates to the related technical field of book carrying, and discloses a shaking influence prevention book carrier which comprises a frame body, book storage devices are slidably installed on the frame body in an array mode, each book storage device comprises a book storage plate, each book storage plate is provided with a sinking groove, and side short plates are symmetrically installed in the sinking grooves. A pushing short plate is slidably mounted between the two side short plates, and side fixing parts capable of swinging are symmetrically mounted in the sinking groove. According to the book carrying vehicle capable of preventing the shaking influence, through arrangement of the book containing structure, a sinking groove is formed in a book containing plate, the sinking type containing function of books is achieved, the problem that the books are prone to slipping and falling is avoided, and meanwhile through arrangement and combination of a pushing short plate and a side fixing part, the book carrying vehicle is convenient to use. The spring structure enables the pushing short plate to be matched with the side short plate to achieve the clamping and position fixing effects on the placed books.

The invention discloses an intelligent logistics management terminal which comprises a probe box. A bar code scanner and a radio frequency probe are nested at the front end of the probe box; the probebox is connected with a wearing mechanism, the wearing mechanism comprises an arm supporting plate and a multi-section rod, and the probe box is connected with the arm supporting plate through the multi-section rod. By arranging the probe box integrated with the bar code scanner, the controller, the storage battery, the light supplementing lamp and the radio frequency probe, two recognition working modes are integrated, and the scanning working efficiency is improved; by arranging an arm supporting plate, a thumb sleeve, a binding belt, a multi-section rod, a hinge shaft, a damping bush, a rotating rod, a rotating shaft, a worm and gear and an adjusting wheel, the terminal can be conveniently fixed to an arm, finger flexibility and goods carrying are not affected, meanwhile, the height, the space position and the scanning angle of the probe box can be conveniently changed, and efficient scanning of high labels and bar codes is achieved; and the scanning efficiency is improved.

The invention belongs to the technical field of tourist guide devices, and particularly relates to a tourist attraction guide device with a convenient pointing adjustment function, which comprises a bottom box, a supporting rod is rotatably connected to the bottom box, a supporting column is in threaded connection to the supporting rod, a fixed box is fixedly mounted at the top end of the supporting column, and two bottom plates are rotatably connected to one side of the fixed box. An arrow mark and a label are mounted on the bottom plate, and an irradiation lamp is rotationally connected to one side of the fixing box. The device is easy to operate and convenient to use, the height of the arrow mark with the pointing function can be conveniently changed, meanwhile, the device can be conveniently moved, an irradiation lamp and the arrow mark can be conveniently protected, and people can conveniently use the device.

The invention provides a mobile low-voltage temporary electricity metering device, which comprises a base, a cross arm frame and a top plate, and is characterized in that the cross arm frame is mounted on the base, the top plate is mounted on the cross arm frame, a workbench is rotatably mounted above the top plate through a bearing ring, and a metering bin is arranged at the top of the workbench;and a winding wheel disc and a meter are arranged on one side of the interior of the metering bin, a wire outlet interface is formed in one end of the front side of the metering bin, a wire inlet cable is wound around the winding wheel disc, a jointing clamp is arranged at the input end of the wire inlet cable, and the output end of the wire inlet cable is connected with a first wiring terminal.According to the invention, under the action of the universal wheels, the device can be moved and conveniently transferred to a low-voltage temporary power utilization area, is connected to a power distribution network through the wiring clamp, and is connected to power utilization equipment through the wire outlet interface, and in the power utilization process, the meter records the power consumption in real time without tedious assembly and disassembly of wiring, can be transferred and applied at any time, and saves the cost, manpower and material resources.

The invention discloses an automatic discharging horn device, relates to the field of automatic discharging, and provides the following scheme aiming at the problems that a discharging device used in the current horn production process is too low in discharging efficiency, the workload of workers is greatly increased, and meanwhile, the horns are frequently damaged in the discharging process. The device comprises a support, a mounting plate is fixedly mounted at the top of the support, a transmission mechanism is arranged at the top of the mounting plate, a telescopic mechanism is arranged at the bottom of the support, and a clamping mechanism is arranged at the bottom of the telescopic mechanism; and the telescopic mechanism internally comprises a multi-rod air cylinder, a limiting plate, piston rods, fixing screws, a fixing plate and a clamping frame. The two ends of the multi-rod air cylinder are each provided with four sets of piston rods. According to the automatic blanking horn device, the two clamps are adopted for clamping two horns to be placed on an assembly line at the same time, efficiency is high, quality is stable, labor is reduced, and therefore the product cost can be reduced.

The invention discloses a novel transformer comprising a pedestal; an upper end surface of the base is fixedly provided with a lifting device, and the top of the lifting device is fixedly connected with the lower end surface of a mounting plate; a damper device is arranged on both sides of the lifting device; a box body is fixedly mounted on the mounting plate; a fixing block is arranged at the top of the box body; the fixing block is fixedly connected with a flashing board; an air pump is installed inside the box body, and the air pump is connected with an air nozzle; the box body is providedwith a venting port, and heat dissipating devices are arranged inside the venting port; the heat dissipating device comprises a mounting bracket, a motor and a fan blade; the mounting bracket is fixedly connected to the inner wall of the box body; the motor is fixedly mounted on the mounting bracket and the output of the motor is connected to the fan blade; the air pump and the motor are electrically connected to an external controller. The novel transformer improves the heat dissipation effect of the transformer through the joint action of the air pump and the heat dissipating device, thereby improving the working efficiency of the transformer. It is easy to change the height of the transformer by setting the lifting device to further ensure the safety of the transformer.

The invention relates to a portable support for measuring velocity of fluid in a pipeline. The portable support comprises a support platform and a tripod. The bottom portion of the support platform isconnected to the top portion of the tripod. The tripod adopts a stable cross arm to support a positioning observation disc. The support platform and the positioning observation disc are respectivelyprovided with a positioning observation hole for connecting with a measuring instrument. The support platform comprises a turnover support disc and a bearing disc. The bottom portion of the bearing disc is connected with the tripod; the turnover support disc is in rotation connection with the bearing disc; and the included angle between the turnover support disc and the bearing disc is adjusted between 0 degree and 90 degrees. Compared with the prior art, the portable support can be suitable for any working environment, any shape of pipe, any position and any form of measurement holes, avoidsthe problems of difficult control of desired direction and large errors due to shaking of the measuring instrument during traditional manual operation, and does not need manual holding; and the portable support has the advantages of being simple and durable in structure, safe to use, stable in positioning, convenient to operate, lightweight and portable, resistant to corrosion, heat and wear and high in applicability.