103results about How to "Realize rotation adjustment" patented technology

The invention discloses bridge equipment comprising a matrix arranged above a base and an upper frame arranged above the matrix, wherein a fourth driver is arranged at the bottom in the base, the top of the fourth driver is connected with a rotary column, an extension end at the top of the rotary column penetrates through the inner wall of the base and is fixedly connected with an end face of the bottom of the matrix, a bearing is fixedly arranged between the matrix and the base, an accommodation cavity is formed in the matrix, a first hollow groove and a second hollow groove are formed in the matrix at the top of the accommodation cavity, a chute is formed in a top wall in the first hollow groove, a fetching groove is formed in an outer wall of the matrix on the right side of the accommodation cavity, a through groove and a clamping groove are formed between the fetching groove and the accommodation cavity, a rotating shaft arranged to extend up and down is arranged in the accommodation cavity, an extension segment at the top of the rotating shaft penetrates through the inner wall of the matrix and stretches into the first hollow groove, a first toothed wheel is fixedly arranged at the tail of the rotating shaft in the first hollow groove, a reel is fixedly arranged on the rotating shaft in the accommodation cavity, conducting wires are wound on the reel, a slide block is arranged in the chute, the bottom of the slide block stretches into the first hollow groove, and a first driver is arranged in the end face at the bottom of the slide block. The bridge equipment disclosed by the invention has the advantages of simple structure, convenient operation, capability of realizing automatic take-up and high safety.

The invention discloses an automatic antenna control device used on a base station. The automatic antenna control device comprises a holding pole, wherein the holding pole is used for fixing an antenna; an upper matrix and a lower matrix are axially arranged on the holding pole at an interval, are fixedly connected with the holding pole and form circumferential rotation tracks; a lower rotation body is arranged at the lower matrix, is matched with the rotation track of the lower matrix, and is connected with a rotating mechanism and one end of the antenna, and the rotating mechanism is used for driving the lower rotation body to perform circumferential motion; an upper rotation body is arranged at the upper matrix, is matched with the rotation track of the upper matrix and is connected with the other end of the antenna by virtue of a rod pushing mechanism, the rod pushing mechanism is connected with a driver, and the driver provides a driving force for the rod pushing mechanism. The automatic antenna control device achieves the regulation on an azimuth angle and a downward inclination angle of the antenna without increasing an interval between the antenna and the holding pole, and is particularly suitable for regulation control on antennas of space-limited base stations, such as a lamp post tower and a beautification housing.

The invention discloses a holographic projection device capable of jacking and rotating a holographic projection screen, and relates to the technical field of holographic projection devices. The holographic projection device comprises an outer framework, a jacking rotating device and a holographic projection device, wherein the outer framework comprises a base frame and a top plate; four groups ofguide cylinders are arranged on the surface of the U-shaped frame; a guide rod is arranged in each guide cylinder; a guide rail is arranged in the upper surface of a lifting plate; a sliding block isarranged on the guide rail; a movable plate is arranged on the sliding block; a fixed base is arranged at the front end of the guide rail; a rotating base is arranged in the middle of the lifting plate; a rotating rod is arranged on the rotating base; a rack is fixed on the upper surface of the movable plate; a gear is arranged on the rotating rod in a sleeved mode, and the rack is in meshed transmission with the gear; the front end of a push rod of the electric push rod II is fixedly connected with the middle of the lower surface of the lifting plate; and a holographic projector is fixed onthe lower surface of the top plate. The whole device is simple and compact in structure and capable of rotating and lifting and adjusting the holographic projection screen, the adjusting effect is good, and the ornamental effect is improved.

The invention discloses a manipulator. The manipulator is composed of a steering unit, a lifting unit, a horizontal movement unit, a control unit and a clamping unit, wherein the clamping unit is formed by a mounting frame structure and a clamping structure and mainly used for controlling clamping and grabbing of materials, and the control unit is composed of an upper rotating structure, a lower rotating structure, a left rotating structure, a right rotating structure and a control structure. Above all, the manipulator has high degree of automation and high cooperative work capacity; the clamping, lifting, horizontal movement and steering functions of logistics boxes can be achieved through switching control of the same power source, so that the labor intensity is greatly relieved, and work efficiency is improved; and meanwhile, the manipulator is low in using cost and has high usage and popularization value.

The invention discloses an optical fiber collimator array alignment regulating device, including slide blocks in three translational directions: top-bottom, left-right and front-back on the slip base, and also rotation regulating module composed by placing a small sleeve through the center and with fastening clamp of the optical fiber collimator in a big sleeve, the framework of the rotary module is installed with the first swing regulating module, there are the first and second swing regulating modules installed on the top of and at the bottom of the first connecting board, respectively, the two ends of the second connecting board are connected with the second swing regulating module and Z-direction translational slide block, respectively. It implements six resolved regulating freedoms by 6 independent regulating knobs. It can be widely applied to optical alignment regulation between optical fiber collimators and between their arrays in optical communication device packaging field.

The invention discloses convenient bridge equipment. The convenient bridge equipment comprises a base body arranged above a base and a top frame arranged above the base body; a fourth driver is arranged at the bottom of the interior of the base; the top of the fourth driver is connected with a rotary column; an extension end on the top of the rotary column runs through the inner wall of the base and is fixedly connected with the bottom end plane of the base body; a bearing is fixedly arranged between the base body and the base; an accommodating cavity is formed in the base body; a first hollow groove and a second hollow groove are formed in the base body on the top of the accommodating cavity; a sliding groove is formed in the inner top wall of the first hollow groove; a fetching-taking groove is formed in the outer wall of the base body on the right side of the accommodating cavity; a through groove and a clamping groove are formed between the fetching-taking groove and the accommodating cavity; a rotary shaft which extends up and down is arranged in the accommodating cavity; an extension section on the top of the rotary shaft runs through the inner wall of the base body to extend into the first hollow groove; a first tooth-shaped wheel is fixedly arranged at the tail part of the rotary shaft in the first hollow groove; a reel is fixedly arranged on the rotary shaft in the accommodating cavity; a wire is wound in the reel; a sliding block is arranged in the sliding groove; the bottom of the sliding block extends into the first hollow groove; and a first driver is arranged in the bottom end plane of the sliding block. The convenient bridge equipment is simple in structure, convenient to operate, capable of collecting wires automatically, and high in safety.

The invention relates to a curved roof curtain wall system. The curved roof curtain wall system comprises a main framework arranged on a main body structure, a plurality of first adapting pieces arranged on the side, away from the main body structure, of the main framework at intervals, second adapting pieces installed on the sides, away from the main framework, of the first adapting pieces in a swinging mode, secondary frameworks detachably installed on the sides, away from the main framework, of the second adapting pieces, a plurality of installing bases arranged at intervals and detachably arranged on the secondary frameworks in a sleeving mode, and curtain wall plates detachably installed on the sides, away from the secondary frameworks, of the installing bases. The second adapting pieces are moved and adjusted in the length direction of the first adapting pieces so that the distance between the secondary frameworks and the main framework can be adjusted, and the posture of the secondary frameworks is adjusted by adjusting the second adapting pieces in a swinging mode. A plurality of curtain wall plates are spliced and connected to form the curved roof curtain wall system, adjusting and installing can be conducted according to the design modeling of the curved roof curtain wall system, and construction is more flexible, easier and more convenient.

The invention discloses an adjustable auxiliary device for tumor clinical treatment. The adjustable auxiliary device comprises a base; roller wheels are arranged at the lower end of the base; a fixedbox body is installed on the base; a lifting box body is installed at the upper end of the fixed box body; a reversing gearbox is arranged on the base at the inner side of the fixed box body and is provided with threaded columns; each threaded column is connected with the interior of a threaded sleeve seat; the threaded sleeve seats are fixedly connected with the lifting box body; a limiting groove is formed in the upper end of the lifting box body and is internally provided with a rotary column; a fluted disc is arranged on the rotary column and is in mesh connection with a worm and gear gearbox; a lifting seat is internally provided with a first sliding seat; the upper end of a first threaded sliding block is connected with a movable seat; a second threaded sliding block is connected with a bed board. The adjustable auxiliary device for tumor clinical treatment is stable in structure and running, convenient to move and use and easy to operate, and can be matched with tumor treatmentequipment for use; the adjustable auxiliary device is convenient to adjust, the height and rotation of the adjustable auxiliary device can be adjusted, and the horizontal and vertical adjustment of the adjustable auxiliary device can be realized along the horizontal direction, so that the adjustment requirements of different treatment devices can be met, and the existing operating requirements canbe met.

The embodiment of the invention discloses augmented reality equipment. The equipment comprises a light machine, an adjusting assembly and a shell; the adjusting assembly is arranged inside the shell,and the adjusting assembly comprises a rotating assembly, a swinging assembly and a translating assembly which are connected end to end in sequence; a part of the light machine extends into the shelland is connected to the adjusting assembly, and the light machine can respectively achieve rotation, swinging and translation relative to the shell through the rotating assembly, the swinging assemblyand the translating assembly; an opening is formed in the shell in the swinging direction of the light machine. According to the equipment, the three-degree-of-freedom adjustment of the light machinecan be achieved through the adjusting assembly, and the light machine can be adjusted to a suitable wearing position simply and conveniently to adapt to the wearing requirements of different users.

The invention relates to the technical field of vehicle machining and production, in particular to a vehicle exhaust pipe hot end welding fixture tool. The vehicle exhaust pipe hot end welding fixturetool comprises a base, an exhaust pipe is arranged at the upper end of the base, a clamping block is arranged on the rear side of the upper end of the base in a sliding mode, side plates are vertically welded to the front end and the rear end of the left side of the upper end surface of the base, a hydraulic cylinder and a fixing clamp are correspondingly arranged on the inner sides of the pair of side plates in sagittal symmetry, and the end part of a telescopic rod of the hydraulic cylinder is fixedly arranged on the rear side of the clamping block. The vehicle exhaust pipe hot end weldingfixture tool has the beneficial effects that the clamping block pushed by the hydraulic cylinder is arranged, so that an exhaust pipe is fixedly clamped, meanwhile, an inserting rotating rod with a limiting clamping groove is utilized, so that the clamping force is limited, and through cooperation of the rotating rod capable of rotating, the inclination angle of the exhaust pipe device is adjusted; and through cooperation of a rotating groove and a rotating arc plate, autorotation adjustment of the exhaust pipe after being clamped and fixed is realized, so that circumferential rotating weldingis realized in the welding process, manual rotation is avoided, and therefore the welding and fixing precision is greatly improved.

The invention discloses a multi-angle clamp module for automatic equipment. The module comprises a shell, an arc-shaped concave surface is arranged on the upper surface of the shell, a rotating ball is rotatably connected to the upper surface of the shell through the arc-shaped concave surface, a clamping device is fixedly connected to the upper surface of the rotating ball, and a hydraulic cylinder is fixedly connected to the upper surface of the shell; and the bottom of an output shaft on the hydraulic cylinder is fixedly connected with a hydraulic push rod, the bottom of the hydraulic push rod penetrates through the upper surface of the shell and is fixedly connected with a lifting shell, and the upper surface and the lower surface of the lifting shell are each provided with a through groove matched with the arc-shaped concave surface on the shell. According to the multi-angle clamp module, through cooperative use of the structures, the problems that in the actual use process, due to the fact that in the use process of a traditional clamp, angle adjustment is not convenient enough, and multi-angle adjustment is difficult to conduct are solved; and the problem that an existing clamp capable of conducting multi-angle adjustment is not high enough in adjustment integration degree, and inconvenience is brought to use is solved.

The present invention discloses a dental nerve-based child stomatological department root canal insertion device which comprises a propelling mechanism, a steering mechanism connected with the propelling mechanism and a treatment mechanism, a spring rod is arranged on the propelling mechanism, the spring rod is in sliding connection with a push plate, a push rod is arranged on the push plate, the push rod is pushed to enable an oral cavity supporting frame to enter the oral cavity of a patient for supporting, the steering mechanism rotates through meshing of a pinion and a rack gear, angle adjustment of the treatment mechanism is achieved, the treatment mechanism drives a drill to rotate by pushing an air cylinder push rod and driving a glue inlet channel, cleaning and glue filling are carried out on the root canal disease position, and the problems that the angle cannot be adjusted during child root canal insertion, the cleaning efficiency is low, and the effect is poor are effectively solved.

The invention relates to the technical field of hair follicle stem cell injection, in particular to a hair follicle stem cell culture injection device and a use method, the hair follicle stem cell culture injection device comprises a base, a mounting plate, a fixing structure, an adjusting structure, a transverse moving structure, a vertical moving structure, a rotating structure and a clamping structure; through arrangement of the fixing structure, the head of a human body can be fixed; therefore, the condition that the head shakes when the cultured hair follicle stem cells are injected intothe bald hair area of the patient can be effectively prevented; accuracy of injection is guaranteed, an adjusting structure is mounted between a base and a mounting plate; the angle of the head of thepatient can be adjusted according to actual needs; therefore, the injection work of the hair follicle stem cells can be carried out more conveniently; through cooperative use of the transverse movingstructure and the vertical moving structure, accurate injection of any point of the scalp of the human body by the injector can be realized, so that the situation of dislocation during hair folliclestem cell injection of the scalp of the human body can be avoided, and the injection efficiency can be improved.

The invention provides a combined metronome fixing device convenient to disassemble and assemble for music teaching, relates to the field of metronome fixing devices, and solves the problems that during fixing, a metronome needs to be placed at a fixed position and then can be fixed by tightening a bolt, the fixing method is old and time is wasted, and corners of the metronome are easy to collidein the process of inserting the metronome into the fixed seat. The device comprises a mounting seat, the four corners of the bottom end face of the mounting base are each fixedly connected with a suction cup. On one hand, the frictional resistance of rotary connection between a gear and a clamping block can be improved through the arrangement of a rubber pad; on the other hand, the gear is connected with an elastic bayonet lock in a clamped mode, when the rubber pad is seriously abraded, temporary clamping and fixing can be achieved through cooperation between the elastic bayonet lock and thegear, rotation adjustment of the installation frame can be achieved through the two structures, and the service life of rotation adjustment is long.

The invention relates to the technical field of garment design, in particular to a convenient-to -adjust clothing special-purpose design workbench, which comprises a workbench and a supporting leg wherein a plurality of supporting legs are arranged and fixed on the lower end of four corners of the workbench for support; an inner embedded groove is arranged on the workbench for placing a movable plate; the movable plate is hinged on the inner wall of the inner embedded groove and is connected with a driving assembly used for driving the movable plate to rotate; the driving assembly is driven towork by a pedal mechanism; two pedal mechanisms are set and are respectively arranged on the supporting plates arranged on two side ends of one of the supporting legs. According to the convenient-to-adjust clothing special-purpose design workbench, the design is novel; the pedal mechanisms are arranged to drive the driving assembly to operate, so that the rotation adjustment of the movable plateis realized; the electric power is not required for driving and the manual adjustment is not required; the trouble that the movable plate cannot be operated during power failure is solved; and meanwhile, the problem that the manual adjustment is required to be operated by hands which cause that the manual adjustment is laborious and the work progress is influenced is effectively solved.

The invention discloses a detection tool structure for a floor rear lower crossbeam, and belongs to the technical field of crossbeam detection. The detection tool structure comprises a bottom plate, avertical plate is fixedly mounted at the top of the bottom plate, a lifting block is slidably mounted on one side of the vertical plate, a lifting plate is fixedly mounted on one side of the liftingblock, two transverse plates are fixedly mounted on one side of the lifting plate, rotating shafts are rotationally installed on the opposite sides of the two transverse plates, a positioning table isfixedly installed at one end of each rotating shaft, two movable blocks are installed on the side, away from the corresponding rotating shaft, of each positioning table in a sliding mode, clamping rods are fixed to the movable blocks, clamping blocks are fixed to one ends of the clamping rods, and a vertically-arranged track plate is installed on the bottom plate in a sliding mode. According to the detection tool structure for the floor rear lower crossbeam, fixation and electric fixation of the crossbeam are realized, the positioning is stable, then the detection is facilitated, meanwhile, the adjustment on the spatial positions of a detection assembly and the crossbeam is realized, through cooperation with rotation adjustment of the crossbeam, the omnibearing detection of the crossbeamis facilitated, and great convenience is provided.

The invention discloses a four-way seamless type vehicle seat leg supporting device which comprises a middle fixing support, side edge fixing supports are arranged on the left side and the right side of the middle fixing support forwards, each side edge fixing support is provided with a connecting rod assembly extending forwards, and the connecting rod assemblies are driven by rotating driving assemblies to act. Each side edge fixing support is provided with a connecting rod assembly extending forwards, the front ends of the two connecting rod assemblies are connected with a supporting plate, the connecting rod assemblies are provided with rotation driving assemblies, the supporting plate is provided with telescopic assemblies, and the telescopic assemblies can slide in parallel relative to the supporting plate under the action of the telescopic driving assemblies. The front portion of the supporting plate is covered with a foaming face sleeve assembly, the lower end of the foaming face sleeve assembly crosses the supporting plate and then is bent backwards, and the bent tail end and the connecting rod assembly are tensioned through a telescopic recoverable piece. The angle and the length of the leg support can be adjusted, and it is guaranteed that no gap is generated in the adjusting process of the leg support.

The invention belongs to the technical field of screw rod production, and particularly relates to a double-screwing-direction threaded long screw rod production line and a production process thereof.The double-screwing-direction threaded long screw rod production line comprises a quenching and tempering treatment furnace for screw rod pre-heat treatment and an end face milling machine for screw rod end face milling treatment. A second mounting base is inserted through four mounting grooves, so that the distance between a first mounting base and the second mounting base is increased, screw rods with various lengths can be fixed through a positioning sleeve and a connecting sleeve, the applicability is improved, the second mounting base is inserted into mounting grooves with the adaptive lengths according to the lengths of the screw rods, threaded rods are screwed to be fixed to the second mounting base, then the screw rods sequentially penetrate through the connecting sleeve and the positioning sleeve, a clamping base is pressed downwards to fix the screw rods by rotating a positioning bolt on the inner side of the positioning sleeve, supporting of the screw rods is achieved, thensubsequent machining operation can be conducted, the supporting and fixing mode of the scheme is simple, and therefore the adjusting efficiency is effectively improved.

The invention provides an extension type irradiation device used for a dangerous road section of a municipal one-way street, relates to the technical field of municipal lighting devices, and solves problems that the extension of an irradiation range and the adjustment of the irradiation range cannot be realized through structural improvement, on the basis of structural improvement, wind power collection and cleaning can not be automatically achieved in the using process, and spraying type cleaning of dust can not be achieved in a linkage mode while the irradiation range is adjusted. The extension type irradiation device used for a dangerous road section of a municipal one-way street comprises a lamp post. A main body base is installed on the lamp post, an auxiliary structure is installed on the main body base, and a driving structure is installed on the main body base. A stress seat is welded to the top end face of a telescopic bottle, and protrusions are welded to the top end face ofthe stress seat in a rectangular array shape. The protrusions are of a semi-cylindrical structure and make elastic contact with a poke rod, so that when the rectangular plate rotates by an angle, theprotrusions can be continuously poked at the same time, and then continuous extrusion water spraying of the telescopic bottle is achieved.

The invention provides a multidirectional rotary connecting structure based on machinery, and relates to the technical field of connecting structures. The problems that automatic locking after adjustment cannot be realized through structural improvement, and common locking and loosening prevention of the multiple locking structures cannot be realized; and a hoop is not fast enough when connectinga bolt and a nut, and adjusting needs to be achieved by using two wrenches during adjustment, consequently convenience is poor are solved. The multidirectional rotary connecting structure based on themachinery comprises a base; a connecting arm structure is connected to the base, a connecting structure is connected to the connecting arm structure, and an auxiliary structure is further connected to the connecting arm structure. A connecting block is welded on a main body seat, the connecting block is rotatably connected with the head end of a threaded rod, and the connecting seat, the threadedrod and the connecting block jointly form an auxiliary anti-loosening structure of the main body seat, so that the auxiliary anti-loosening structure can be used as an adjusting and locking structurebesides an adjusting rod B.

The invention discloses a display device with a multidirectional adjusting structure for visual inspection, and relates to the technical field of visual inspection. The display device comprises a display screen, a rotating mechanism and a lighting mechanism; protecting corners are fixed to four corners of the display screen, an adjusting movable shaft is installed behind the display screen, and aconnecting block is arranged on the rear side of the adjusting movable shaft; a supporting column is fixed to the lower portion of the connecting block, a limiting frame is installed outside the lowerportion of the supporting column, a positioning bolt is arranged between the limiting frame and the supporting column in a penetrating mode, and threaded holes are formed in the middle of the outer side of the limiting frame; and a supporting plate is fixed to the bottom of the limiting frame, and the rotating mechanism is installed below the supporting plate. The display device has the advantages that rotating adjustment of the display screen can be conveniently achieved by arranging the rotating mechanism, the supporting plate can be conveniently rotated through a rotating shaft, and thus transverse rotating adjustment of the orientation of the display screen is facilitated; and vertical rotating adjustment of the direction of the display screen is facilitated through the adjusting movable shaft, and thus multidirectional rotation is achieved.

The invention provides a lining local deformation crack monitoring device based on a water conservancy project, and relates to the technical field of lining local deformation crack monitoring, the lining local deformation crack monitoring device comprises a mounting seat, a display block is rotatably mounted in a rotating cavity, the display block is of an annular block structure, a rotating block is fixedly mounted on the bottom end face of the display block through a connecting piece, and the rotating block is of a hollow structure; the connecting piece is of a cylindrical structure, the connecting piece is rotationally connected into the communicating groove, the rotating block is of a circular block structure, the rotating block is rotationally connected into the rotating groove, and the connecting piece is provided with an identification structure, so that a manager can conveniently check whether a worker inspects the crack every day according to regulations; the method plays a forced role in checking the crack by the staff according to the regulations every day, and solves the problems that an existing observation identifier only has an identification function and cannot play an identification function, so that a manager cannot identify whether the staff checks the crack according to the regulations every day or not, and application defects exist.

The invention discloses a multi-layer high-density multi-layer buried hole printed board buried hole processing device. The device comprises a base and vertical rods welded to the four corners of theupper end face of the base, a top plate is attached to the upper end faces of the vertical rods, a middle plate is arranged between the top plate and the base, and a second clamping groove is rotationally connected with a sliding rod. Due to the fact that T-shaped clamping blocks welded to the upper end faces of the vertical rods are in sliding connection with an annular groove, the top plate is rotationally adjusted, the position of a punching needle can be adjusted conveniently, and alignment punching is facilitated; due to the fact that clamping blocks are in sliding connection with the middle plate, the four clamping blocks are kept at the same horizontal plane, the phenomenon that punching is inclined due to the fact that the clamping blocks are inclined is avoided, and meanwhile, dueto the fact that a clamping ring and the base are elastically connected through a first compression spring, the middle plate is buffered; meanwhile, the middle plate is not inclined easily when moving up and down, and punching is more precise.

The invention discloses a new energy battery positioning and clamping device, and relates to the technical field of new energy batteries. . The new energy battery positioning and clamping device comprises a base, a mounting ring and a connecting plate; the output end of a servo motor is fixedly connected with a screw rod; the outer surface of a screw rod nut is rotatably connected with a rotatingblock through a rotating shaft; one end of a first connecting shaft is rotatably connected with a connecting rod through a rotating shaft; one side of the mounting ring is rotationally connected witha second connecting shaft; the upper surface of a connecting outer shaft is fixedly connected with the connecting plate; and the end, away from the connecting outer shaft, of a sliding rod is fixedlyconnected with a pressing block. By arranging the servo motor, the lead screw, the lead screw nut, the rotating block, the first connecting shaft, the connecting rod, the second connecting shaft and the mounting ring, multi-directional movement of a battery can be achieved; positioning is more convenient; the working efficiency is improved; and by arranging the connecting outer shaft, a rotating rod, the sliding rod, an extension spring and the pressing block, rotating adjustment of the positioning and clamping device can be achieved, and use limitations of the new energy battery positioning and clamping device are reduced.

The invention discloses a pure pneumatic sand core full-automatic transferring sling which comprises a hoisting ring, an overturning connecting rod and an opening-closing air cylinder, wherein the hoisting ring is fixedly arranged in the middle of the top side of a cross beam; positioning plate lifting air cylinders are arranged on the cross beam on the two sides of the hoisting ring; connecting plates are arranged at the top; sand core height positioning blocks are connected with the lower sides of the connecting plates through four guide pillars; two bearing pedestals are symmetrically arranged on the outer sides of the bottom wall of the cross beam;tips at the two ends of an overturning driving shaft and an opening-closing shaft are mounted on the inner sides of the bearing pedestals; and the overturning driving shaft is rotatably mounted; two graphite copper bush linear bearings are symmetrically arranged on the two side walls of the cross beam; and the four guide pillars are mounted in the graphite copper bush linear bearings in a sliding manner, so that the guide pillars can be effectively limited to prevent the guide pillars from deflected motion during the up-down moving process so as to avoid damage to the guide pillars.

The invention provides an aircraft skin part hoisting tool structure. The aircraft skin part hoisting tool structure comprises a mounting bottom plate. The four corners of the bottom of the mounting bottom plate are fixedly connected with mounting fixing pieces correspondingly. Two lifting connecting plates are fixedly connected to the top of the mounting bottom plate, and lifting devices are fixedly connected to the two lifting connecting plates correspondingly. Navigation devices are connected to the two lifting devices in a sliding manner, and driving devices are connected to the navigation devices in a sliding manner. The driving device is provided with a pedestal body device in a rotational coupling manner, the pedestal body device is fixedly connected with a connecting base, and the connecting base is fixedly connected with a supporting large arm through bolts. An elastic adjustment device is arranged, adjusting springs are arranged on adjusting sliding shafts in a sleeving manner and can stretch out and draw back, the problem that skin is scratched due to too tight fixing can be avoided, angle adjustment can be conducted according to the surface curvature of the skin through a vacuum suction cup, and the problem that the skin of a small aircraft cannot be firmly fixed due to a curved surface is solved.

The invention relates to the field of production and processing of an elliptical head, in particular to cutting equipment for the production and processing of the elliptical head. The cutting equipment comprises a base, a rotating structure, an unloading structure, a fixing structure, a transverse moving structure, a vertical moving structure, an angle adjusting structure and a clamping structure.According to the cutting equipment, the rotating structure can rotate a placed head for 360 degrees and can cooperate with flame cutting torch to complete annular cutting of the head, besides, by cooperation with the unloading structure, the head can be jacked up only by rotating a hexagonal crank externally, and unloading operation of the head can be convenient; by means of the fixing structure,the head placed on a placing sleeve can be sufficiently fixed, the fixation is firm, placement of the head and unloading work of the head cannot be affected, and the fixation is convenient and efficient; and by means of the transverse moving structure and the vertical moving structure, transverse and vertical positions of the flame cutting torch can be adjusted, so that accurate cutting can be realized when the transverse position adjustment is needed.

The invention discloses an adjusting support and a lighting device. The adjusting support comprises a rotating base (200) and a base (100), wherein the rotating base (200) is rotationally arranged onthe base (100); a plurality of first clamping teeth (240) are arranged on the rotating base (200) in the rotating circumferential direction of the rotating base (200); the base (100) is provided witha rotating adjusting part, the rotating adjusting part is provided with second clamping teeth (510) used for being matched with the first clamping teeth (240), and the rotating adjusting part has a first state in which the second clamping teeth (510) are meshed with the first clamping teeth (240) and a second state in which the second clamping teeth (510) are separated from the first clamping teeth (240). According to the scheme, the problem that the illumination angle of a lamp is inconvenient to adjust due to the fact that the lamp is mounted and fixed in the prior art can be solved.