71results about How to "Adjust working height" patented technology

The invention discloses a stalk chopping and pickup square baler which is arranged right behind a tractor. The square baler comprises a cutting and grinding mechanism and a compressing and baling mechanism, wherein the compressing and baling mechanism is arranged above the cutting and grinding mechanism; a pickup transport mechanism is arranged between the cutting and grinding mechanism and the compressing and baling mechanism; the pickup transport mechanism contains a pickup cavity arranged on the back of the casing of the grinder; an auger arranged in the pickup cavity, a fan arranged on one end of the auger and a scraper conveying mechanism arranged in an inclined manner; and the scraper conveying mechanism is arranged between the air outlet of the fan and the feeding fork. By adopting the invention, the stalks of corn and cotton can be cut, grinded, picked up, conveyed, compressed and baled conveniently once; and the square baler has strong functions, stable operation, high operation efficiency and low harvest cost.

The invention discloses a height-adjustable cable support which comprises a support, supporting feet, a fixing hoop, a screw and a handle. The fixing hoop is fixed at the upper end of the screw, the handle is fixed on the screw, the screw is spirally combined with the support through threads, the supporting feet are detachably arranged at the lower end of the support, the upper end of the fixing hoop is provided with a fastening sleeve, and the fastening sleeve is spirally combined with the fixing hoop through threads. The height-adjustable cable support has the advantages that the cable support is provided with the screw and the support, the height adjustment can be performed according to site environmental requirements, and the working height of the cable support is also adjusted accordingly. The whole cable support is simple in structure and convenient to operate.

The invention discloses a rapid tractor hanging and connecting device with a power output function. The rapid tractor hanging and connecting device is characterized in that the hanging and connectingdevice comprises a hanging and connecting device primary machine and a hanging and connecting device secondary machine, the hanging and connecting device primary machine is provided with a primary machine upper hook and a primary machine lower hook, the primary machine upper hook is connected with a tractor through a main hydraulic cylinder, the primary machine lower hook is connected with a lowersupport of the tractor, the hanging and connecting device secondary machine is connected with a farm tool, the farm tool is provided with a farm tool gearbox, the farm tool gearbox is provided with agearbox input shaft, a secondary machine upper hook is connected with the primary machine upper hook, the primary machine lower hook is connected with a lower supporting rod through a looking device,and the gearbox input shaft is connected with a tractor power output shaft. When the device works, separation of the lower supporting rod can be prevented by the locking device, and separation of thesecondary machine upper hook and the primary machine upper hook can also be prevented by the locking device. When the main hydraulic cylinder extends and retracts, the working height of the farm toolon the hanging and connecting device secondary machine can be adjusted, the primary machine upper hook are provided with a plurality of through holes for connecting with the main hydraulic cylinder,and the adjusting range of the working height of the farm tool can be widened.

The invention discloses a detachable vomit processing frame. The problem that an existing vomit processing frame is not convenient to disassemble and not adjustable in height and is large in occupiedspace is solved. The detachable vomit processing frame comprises four bases, four supporting rods and two grab rails; every two bases are symmetrically arranged, each base is provided with an inner cavity, and the supporting rods are inserted into the inner cavities of the bases respectively. The detachable vomit processing frame is characterized in that a stretchable rod is arranged between everytwo adjacent bases, and the two ends of the stretchable rods are in threaded connection with the bases; a height regulating device is arranged between each base and the corresponding supporting rod;the opposite inner sides of the two transversely-arranged supporting rods are each fixedly connected with a hook; the opposite inner sides of the two longitudinally-arranged supporting rods are each provided with a connecting device, and the two ends of the grab rails are detachably connected to the connecting devices. A collection bag is hooked to the hooks, use is convenient, the working heightof the supporting rods is adjustable, and the bases, the supporting rods, the grab rails and the stretchable rods are detachably placed, so that the occupied space is small.

The invention discloses an auxiliary fixing device for a polishing device, and relates to the technical field of polishing. The auxiliary fixing device comprises a fixed base. A slag collecting mechanism is arranged on the top of the fixed base. A first clamping mechanism and a second clamping mechanism are arranged at the positions, located on the two sides of the slag collecting mechanism, of the upper side of the fixed base correspondingly. A driving mechanism is installed at the position, close to the outer side of the bottom of the second clamping mechanism, of the edge of the top end ofthe fixed base. Height adjusting assemblies are installed at the positions, close to the four corners, of the bottom end of the fixed base correspondingly. Leveling mechanisms are arranged at the bottoms of the height adjusting assemblies. When the auxiliary fixing device is used, ash falling in the polishing process can be collected and cleaned up, protection is enhanced when a workpiece is clamped, the damage to the workpiece or the device in the clamping and fixing process is avoided, the working height of the device can be adjusted according to demands, meanwhile the placed device can be leveled, and it is avoided that the polishing quality is affected by workpiece clamping deviation of users when the device is placed on an unlevel placing face.

The invention relates to the technical field of accessory devices of culture articles and particularly relates to a magnetic one-piece easel. The magnetic one-piece easel provides convenience for regulating the working height of a fixed plate, is relatively low in use limitation, provides convenience for a user and is relatively high in practicability; moreover, paper for drawing can be conveniently fixed, the drawing effect is effectively guaranteed, the using effect is relatively good, and thus the use reliability of the magnetic one-piece easel is improved; the magnetic one-piece easel comprises left fixing rods, right fixing rods, a fixed plate, a supporting plate, two groups of connecting rods, upright rods, supporting rods, two groups of connecting frames and bolts; the top end of the supporting plate is provided with grooves; the inner sidewalls of two groups of mounting holes and the outer sidewalls of the bolts are each of a threaded structure; the left fixing rods include a first left fixing rod and a second left fixing rod; the right fixing rods include a first right fixing rod and a second right fixing rod; the magnetic one-piece easel further comprises a shrinkable frame, a threaded rod, a threaded tube, a driving gear, a driven gear, a chain, a clamping plate and a servo motor; the chain is arranged on the driving gear and the driven gear in a sleeving manner; anda magnetic plate is arranged inside the fixed plate.

The invention relates to a bridge vertical column construction operation platform, and effectively solves the problems of single structure and insufficient safety guarantee performance of an existingbridge vertical column construction operation platform. The technical scheme includes the platform comprises a bottom plate, universal wheels are fixed at the lower end of the bottom plate and provided with braking systems, guide columns are arranged at the edges of the upper end of the bottom plate, a lifting rod is arranged in the middle of the upper end of the bottom plate, a middle plate is arranged on the upper portion of the bottom plate and fixed with a safety net hanging plate, the safety net hanging plate is rotatably connected with a safety net, an ejection device is arranged in themiddle of the safety net hanging plate, a vertical column is positioned above the middle plate, a cross column is fixed a the upper end of the vertical column, a worktable is arranged at the upper endof the vertical column, a crawling ladder is fixed on the middle plate, the worktable is provided with a protective plate, a ceiling is arranged at the upper end of the protective plate, a storage box is arranged at the bottom of the worktable, a safety rope base is arranged at the upper end of the worktable, a rotating rod is arranged in the safety rope base and connected with a linkage rope anda safety rope, and the safety rope is provided with a fixing lock. The platform is sufficient in safety guarantee and high in practicability.

The invention discloses a high-efficiency multi-stage mixing device for raw materials for injection molding. The device comprises a base. Hydraulic cylinders are connected to outer walls of four corners of the top of the base through bolts and a same horizontally placed top plate is connected to the outer walls of the tops of the four hydraulic cylinders through bolts; telescopic rods are connected to the outer walls of four corners of the top of the top plate through bolts and a mixing shell is connected to the outer walls of the tops of the four telescopic rods through bolts; a servo motor is connected to the outer wall of the top of the mixing shell through a bolt and the output end of the servo motor is connected to a hollow shaft through a coupling; and the end, far away from the hollow shaft extends to the inner wall of the mixing shell. By arranging a vibrating motor, a shock absorbing spring and the telescopic rods, the mixing shell can be vibrated to achieve multistage mixingfavorably, so that the raw materials in the device are mixed fully. By arranging the hydraulic cylinders, discharge is facilitated; by arranging a sound-isolating shell, noise generated by operation of the servo motor is reduced.

The invention discloses novel machining equipment for an automobile tray. The machining equipment comprises a base, first fixed plates and second fixed plates; a groove is formed in the right portionof the upper end of the base; a first threaded rod is transversely arranged in the groove; a first rotating block is arranged at the right end of the base; the outer surface of the first threaded rodis sleeved with a first threaded sleeve; the first fixed plates are arranged above the base in a left-right symmetry manner; a first left side fixed plate is fixedly connected with the base; a first right side fixed plate is fixedly connected with the first threaded sleeve; a cross rod is arranged above the first fixed plates; the second fixed plates are arranged above the cross rod; clamping devices are symmetrically arranged between the two second fixed plates; transmission rods are installed at the ends, close to the second fixed plates, of the clamping devices and penetrate through the second fixed plates; a positioning bolt is mounted at the right end of the transmission rod on the right side; and a positioning bolt is provided at the upper portion in the limiting rod. A tray is clamped through two clamping devices, and different sizes of trays can be clamped, so that the adaptability is high; and the trays are driven by the transmission rods and the clamping devices to rotate tobe turned over, so that workers can perform machining conveniently.

The invention relates to the technical field of grinding devices, and discloses a shoe sole grinding device. The device comprises a pedestal, and the interiors of the left and right sides of the pedestal are each provided with a support rod. The interior of each support rod is provided with a groove, and the interior of the groove is movably provided with a straight gear. The external surface of each straight gear is movably provided with a circular gear, and a rotating shaft is fixedly installed between the interiors of the two circular gears. The central part of the rotating shaft is movablyprovided with a stopping block. The right end of the rotating shaft passes through the pedestal to extend to the exterior of the pedestal to be fixedly provided with a first motor. A shoe sole is putbetween a clamping hand and a fixed plate through the up-down pulling of the clamping hand, and then the shoe sole is clamped through the reactive force of a spring. A hydraulic telescoping rod is used for facilitating the adjustment of the position of the shoe sole, and then a second motor is started, and a grinding disc rotates to perform the automatic grinding, so that a worker takes a shoe sole during grinding. Moreover, the shoe sole is ground more precisely, so the device is suitable for the worker to adjust the position of the shoe sole for grinding, and is easy for grinding operations.

The invention discloses a hydraulic machine facilitating work height adjustment. The hydraulic machine comprises a bottom plate. Landing legs are fixedly connected to the four corner positions of thebottom of the bottom plate, and the four corner positions of the top of the bottom plate are movably connected with fixing rods. The tops of the four fixing rods are fixedly connected through a top plate. The surfaces of the fixing rods are movably connected with connecting lantern rings. Through the arrangement of the fixing rods, an adjusting plate, a first bearing, an adjusting rod, an adjusting disc, a limiting rod, a handle fixing plate, a rotation handle, a limiting groove, a reset spring, a first gear, a second bearing, a first rotation block, a second gear, a first threaded rod, firstnuts, a first baffle, a third bearing, a second rotation block, a third gear, second threaded rods, second nuts and second baffles, the work height of the hydraulic machine can be conveniently adjusted, the work height can be well adjusted according to different objects needing to be treated, energy is saved, the object machining expense is reduced, and great convenience is brought to users.

The invention belongs to the technical field of liner pipes, and particularly relates to a preparation device for membrane biology reactor (MBR) membrane liner pipe production. Aiming at the problems that an existing preparation method is unstable in clamping state of a liner pipe, inconvenient to cut liner pipes with different lengths and inconvenient to process the liner pipe in the liner pipe preparing and cutting process, the invention discloses the preparation device for MBR membrane liner pipe production. The preparation device for MBR membrane liner pipe production comprises a base, wherein two symmetrically arranged vertical plates are fixedly connected to the upper side walls of the base; a horizontally arranged bottom plate is jointly and fixedly connected to one ends, far way from the base, of the two vertical plates; a vertically arranged telescopic air cylinder is slidably connected to the lower side wall of the top plate; a cutting device is fixedly connected to one end, far away from the top plate, of the telescopic air cylinder; two symmetrically arranged clamping devices are arranged between the top plate and the base and are connected with the upper side walls of the base through telescopic sleeve rods; and the two telescopic sleeve rods are connected through a connecting device.

The invention relates to a package glue film opening split line opening knife module which is used for rolling a glue film between the opening knife module and a knife drilling roller which is arranged in a package glue film opening split line mechanism when the glue film passes through the package glue film opening split line mechanism so as to cut an opening split line on the glue film. The opening knife module comprises an opening knife shaft, at least an opening knife seat and at least an opening knife edge, wherein the opening knife shaft forms at least a receiving groove; the opening knife seat is provided with at least knife seat group vertical mechanism for being correspondingly combined in the receiving groove of the opening knife shaft, and each opening knife edge is arranged on the opening knife seat one by one. When the opening knife edges are necessarily replaced due to abrasion caused by long time use, the opening knife seat and the opening knife edges can be taken out from the receiving groove of the opening knife shaft by dismounting the knife seat group vertical mechanism.

The invention discloses a novel wave storage type wave energy power generation device which comprises a wave energy absorption module, a power generation module, a hydraulic oil tank, a first storage battery, a direction control module, a column sleeve, a height control module, a supporting column and a wire body. The wave energy absorption module comprises a wave storage cylinder, a floater, a connecting rod, a piston, a hydraulic cylinder, a one-way valve and a hydraulic oil pipe, the upper surface of the wave storage cylinder is fixedly connected with the hydraulic cylinder, and the interior of the hydraulic cylinder is slidably connected with the piston. The novel wave storage type wave energy power generation device is novel in structure, wave energy can be utilized for effective power generation under various different sea conditions, the operation direction and the operation height of the device can be adjusted in real time according to sea condition changes, the wave energy is utilized for power generation more efficiently, the novel wave storage type wave energy power generation device is provided with the wave storage module with the 60-degree opening, the wave height is effectively increased, the wave energy captured by the floater is larger, the power generation amount can be increased, and the power generation efficiency is improved.

The invention discloses an intelligent cutting machine which comprises a workbench. A connection foot stool is connected to the bottom end of the workbench, a supporting plate is connected to the bottom end of the connection foot stool, a hydraulic lifting column is connected to the bottom end of the supporting plate, the bottom end of the hydraulic lifting column is connected with a fixing plate,the bottom end of the fixing plate is provided with universal wheels, the two ends of the workbench are connected with connection plates, fixing grooves are formed inside the connection plates, adjusting valves are connected to the positions, corresponding to the fixing grooves, of one ends of the connection plates, one end of each adjusting valve is connected with a pointer, and the positions, close to the pointers, of the surfaces of the connection plates are provided with scale lines. Since the supporting plate and the hydraulic lifting column are arranged, the working height of the devicecan be conveniently adjusted, movement of the device is convenient since the universal wheels are arranged, the device can provide an illumination function conveniently since an LED lamp is arranged,and the position of a cutting blade can be accurately adjusted since the scale lines are arranged.

The invention provides a method for ex-situ rejuvenation of an endangered ancient tree. The method for ex-situ rejuvenation of the endangered ancient tree is realized by using equipment for ex-situ rejuvenation of the endangered ancient tree, so that the ex-situ rejuvenation of the endangered ancient trees is completed. The equipment for ex-situ rejuvenation of the endangered ancient tree comprises a rack; a positioning device is mounted at the top end of the front side of the rack, and two side moving frames are mounted at the bottom end of the front side of the rack; a rotating shaft is arranged at the bottom end of the inner side of each side moving frame, and the rotating shafts at the bottom ends of the inner sides of the side moving frames are rotationally mounted at the bottom end of the front side of the rack; and adjusting components are mounted at the top ends of the side moving frames on the two sides. The middle section of the trunk of the ancient tree is clamped and fixed through the positioning device, the operation positions of the side moving frames are adjusted and positioned, cylindrical ex-situ at the root of the ancient tree is excavated and isolated through reciprocating motion of two moldboards, and the arc-shaped motion trail of the moldboards can be adjusted according to the optimal range, obtained through calculation, of the rhizome of the ancient tree.

The invention provides a roll welding device for a precast pile reinforcement cage framework. The roll welding device comprises a rotary table mechanism, a straightening mechanism and a welding mechanism, wherein the straightening mechanism and the welding mechanism are arranged on the two sides of the rotary table mechanism, the rotary table mechanism and the welding mechanism are in signal connection with a controller, the rotary table mechanism comprises a base, a drawing device, a diameter adjusting device and a supporting device, the drawing device, the diameter adjusting device and the supporting device are arranged above the base and are parallel to each other, the drawing device and the supporting device are located on the two sides of the diameter adjusting device respectively, the diameter adjusting device and the drawing device are connected through a connecting shaft, the diameter adjusting device and the supporting device are connected through a connecting shaft respectively, a plurality of second lifting devices are arranged between the diameter adjusting device and the drawing device, and a plurality of first lifting devices are arranged between the diameter adjusting device and the supporting device. According to the roll welding device for the precast pile reinforcement cage framework, displacement of the reinforcement cage can be conducted through the drawing device, diameter changing in the production process of the reinforcement cage can be conducted through the diameter adjusting device, framework ribs are pre-straightened through the supporting device so as to release tension and torsion, operation is easy, and the product precision is high.

The invention discloses a textile and garment part ironing base plate. The textile and garment part ironing base plate comprises a bottom plate, a sponge mat and flame-retardant knitted cotton cloth,the sponge mat is bonded to the surface of the top of the bottom plate, the surface of the sponge mat is coated with the flame-retardant knitted cotton cloth, damping spring frames are installed at the four corners of the bottom surface of the bottom plate correspondingly, and inner threaded pipes are installed on the bottom surfaces of the damping spring frames; and limiting pipes are arranged onthe bottom surfaces of the inner threaded pipes, stand columns are inserted into the bottoms of the limiting pipes, locking buttons are rotationally connected to the left side walls of the limiting pipes, a storage groove is formed in the middle of the bottom surface of the bottom plate, an inserting hole is formed in the left side wall of the bottom plate, a strong magnet is installed at one endof an inner cavity of the inserting hole, and a bracket is arranged on the left side of the bottom plate. The textile and garment part ironing base plate has the effects that disassembly, assembly and store by workers are convenient, the effects of damping and working height adjusting are also achieved, then the use comfort of equipment can be improved, meanwhile, the workers can conveniently place irons, and the use convenience of the textile and garment part ironing base plate is improved.

The invention discloses a load-bearing gantry crane boom for road and bridge construction. The load-bearing gantry crane boom comprises two bases. The two bases are arranged in bilateral symmetry. A control cabinet is fixed to the side face of one base. The control cabinet is internally provided with an open source single-chip microcomputer and a wireless transceiver. A signal amplifier is mountedon the side face of the wireless transceiver. Movable rods are fixed to the tops of the bases. The movable rods are movably connected with mounting seats. The movable rods are sleeved with damping springs. The positions, corresponding to the damping springs, of the bases are provided with countersunk grooves. Information processed through the open source single-chip microcomputer is amplified through the signal amplifier. Amplified signals are transmitted to a remote control terminal through the wireless transceiver. The remote control terminal conducts analysis and processing on the information and conducts remote control on the crane boom. The load-bearing gantry crane boom for road and bridge construction is high in intelligence level, convenient to control and good in safety, and therisk of field operation is avoided.

The invention relates to the field of mining equipment, in particular to a mining device with a dust fall structure. The mining device with the dust fall structure comprises a vehicle body and a dust fall box arranged on the vehicle body, a drill bit is arranged on the front side of the dust fall box, the outer side of the drill bit is sleeved with a sliding cylinder, and the sliding cylinder is slidably connected with a fixed cylinder fixedly connected with the dust fall box. The mining device is provided with the dust fall box, a vibrating screen plate, a blowing cylinder, a first dust collecting pipe, a second dust collecting pipe and a dust collecting box; mining ore is conveyed into the dust fall box, and dust in ore raw materials is blown and collected through the blowing cylinder; and meanwhile, the dust in the ore raw materials is screened out and collected through the vibrating screen plate, the good dust fall effect and the good dust collecting effect are achieved, flying dust is prevented from being generated in the mining process and the conveying process of the ore raw materials, and pollution to working environment is avoided.

The invention discloses a novel moxibustion device. The device comprises a base, a fixing plate is arranged on the base, the fixing plate is fixed to the base through a liftable mechanism, the fixingplate is provided with a track and a moving frame, the moving frame is installed on the track through a walking mechanism, the front end of the moving frame extends to the outer side of the fixing plate, and trays which are used for moxibustion are symmetrically arranged on left and right of the outer end of the moving frame. The novel moxibustion device has the advantages that the structural arrangement is ingenious and the layout is reasonable, moxibustion can be achieved through the trays, moxibustion can be allowed to conduct on the larger area of the body by the two trays; the lifting andlowering up and down can be regulated according to a remotely controlled electric telescopic rod to adjust the working height of the trays to make the using convenient; the free automatic moving of the trays in horizontal direction can be achieved to make moxibustion convenient, and the trays can be moved left and right on the track according to a frequency set by a controller; in addition, the base is supported by adopting universal wheels with locks to make moving and fixing convenient.

The invention discloses a small part cutting device. The small part cutting device comprises a supporting column, the top end of the supporting column is welded with a working table, mounting frames are fixedly arranged on the two ends of the working table through screws, a push rod motor is mounted on one side of the top of each mounting frame through a bolt, a push rod is in key connection withthe output end of each push rod motor, the tail end of a push rod is welded with an auxiliary plate, an adjusting groove hole is formed in the auxiliary plate, an adjusting rod is arranged in the inner part of the adjusting groove hole, and the top end of the adjusting rod is welded with an adjusting handle. According to the small part cutting device, during use, the operation length of the push rod at the tail end of each push rod motor can be controlled through a control button, so that the fact that the operation height of the auxiliary plate is adjusted is realized, the initial height of amounting plate is further adjusted, the extrusion force of a pressing plate at the output end of a mounting rod on one side of the mounting plate on a small part on the working table is changed, adjusting can be adjusted as required, the extrusion force is conveniently adjusted when different small parts are cut, and the feasibility of operation is guaranteed.

The invention discloses an inclined shaft plow blade arm assembly, which comprises a harrow blade, a plow blade arm and a hub unit. the hub unit is arranged at the central hole of the notch rake bladeand is in threaded connection with the notch rake blade; one end of the plow blade arm is fixed on the machine square pipe, and the other end of the plow blade arm is fixedly connected with the hub unit through an inner hole; the hub unit comprises an inclined shaft, one end of the inclined shaft, which is connected with the plow blade arm, is an inclined cylinder body with taper, a cross throughhole is formed in the inclined cylinder body, the plow blade arm is selectively connected with any group of through holes in the cross through hole of the inclined cylinder body through an inner hole, thereby realizing the fixation of the rake blade and the selection and adjustment of the tillage angle. According to the inclined shaft plow blade arm assembly, through the structural design of theinclined shaft in the hub unit and the connection between the plow blade arm and the inclined shaft, the adjustment of the fixed scheduling of the harrow blade is realized, so that the adjustment of the working height and the tillage depth of the harrow blade is realized, different operation requirements are met under different conditions, the multi-tillage of one machine is realized, and the flexibility is strong.

The invention discloses a clinic integrated care and rescue device used in the pediatric department. The clinic integrated care and rescue device used in the pediatric department comprises a bed frame, wherein the side face of the bed frame is provided with an open-source single chip microcomputer, a monitoring device, an adjusting mechanism and an angle adjusting device, the end of the angle adjusting device is provided with a bed board, the bed board is slidingly connected with the bed frame through a sliding mechanism, the end of the adjusting mechanism is provided with a surgical assistance device, and the input end of the open-source single chip microcomputer is electrically connected with the output end of an external power source. The clinic integrated care and rescue device used inthe pediatric department monitors vital signs of a child through the monitoring device, is high in intelligence degree and good in flexibility, facilitates monitoring, has remote and near-end warningcapability, provides convenience for medical workers to rescue the child in time, adjusts the working position of the surgical assistance device through the adjusting mechanism and conveniently meetsdifferent use demands.

The invention relates to a full gear driving silage maize harvester which comprises a rack assembly. A roller assembly which is used for cutting and conveying materials is arranged at the front end of the rack assembly, a feed assembly is arranged in the middle of the rack assembly, and the feed assembly provides power for the roller assembly; a discharging hole of the feed assembly is communicated with a feeding hole of a cutting-up assembly, the materials are cut up through the cutting-up assembly and enter a throwing assembly, and the throwing assembly throws the materials which are cut up; supporting wheel assemblies are arranged on the two sides of the cutting-up assembly; a knife sharpening assembly is arranged on the throwing assembly and used for sharpening knives of the cutting-up assembly. According to the full gear driving silage maize harvester, by means of matching with a tractor, feeding, cutting-up and throwing are achieved, the full gear driving silage maize harvester is suitable for silage work in inland medium-sized and small plots.

The invention relates to the field of measuring equipment, in particular to a tripod for building measurement. The tripod for building surveying comprises a connecting table, a workbench, a connectingassembly, an adjusting assembly and a foot stand assembly. The connecting table is connected with the workbench through the connecting assembly. The end face, away from the connecting table, of the workbench is provided with a working face for installing a measuring instrument. The foot stand assembly is connected with the connecting table so as to support the connecting table. The tripod for building surveying is simple in structure and convenient to operate, the levelness adjusting difficulty can be effectively reduced, meanwhile, the adjusting period can be shortened, and the levelness adjusting efficiency is improved.

The invention discloses a multifunctional seeding device for landscaping. The device comprises a housing, wherein the upper end of the housing is provided with a first through hole communicated with the outside, and the opening of the first through hole is provided with a sealing cover matching with the first through hole; the inside of the housing is fixedly connected with a placing plate horizontally arranged, and the two ends of the placing plate are fixedly connected with the inner walls of two sides of the housing; the lower side wall of the placing plate is fixedly connected with two telescopic sleeve rods, and the lower ends of the two telescopic sleeve rods are fixedly connected with two first pulleys; the bottom wall of the housing is provided with a second through hole matching with the two first pulleys; the two first pulleys run through the second through hole; the upper side wall of the placing plate is fixedly connected with a seed box, and the inside of the housing is fixedly connected with a seeding pipe vertically arranged. The invention can sprinkle water to the ground during seeding and can adjust the burying depth of seeds according to different seeds to be seeded, which is beneficial to plant growth.