52results about How to "With self-locking function" patented technology

The invention provides a vibration measurement device for motor equipment, and relates to the field of vibration measurement, and the device comprises a main body support frame, and the left and right sides of the top of the main body support frame are provided with self-locking worm gears A; a mounting angle adjusting shaft is rotationally mounted on the inner side of the main body supporting frame; self-locking worms A are arranged on the left side and the right side of the mounting angle adjusting shaft; the self-locking worm A is matched and connected with the self-locking worm gear A; guide pieces are arranged on the left side and the right side of the main body supporting frame. A mounting angle adjusting part is arranged in the middle of the mounting angle adjusting shaft; the vibration testing device can test vibration of motor equipment at different installation angles and output angles, the universality and accuracy of the vibration testing result of the device are improved, and the problem that the vibration amplitude of the motor equipment is affected to a certain extent due to installation modes at different angles is solved. And a vibration measurement result obtained by only testing plane installation does not have universality.

The utility model relates to an in-situ torsion experiment device for X-ray CT (Computed Tomography), and belongs to the technical field of scientific instruments for in-situ torsion experiments for X-ray CT. Comprising a driving assembly, a torque sensor and a clamp assembly. Two ends of a shaft of the torque sensor are respectively connected with the driving assembly and a clamp. The driving assembly comprises a motor, an outer shell, a worm gear and a worm, the worm gear and the worm are rotationally arranged in the outer shell and meshed, the upper end of the worm gear is in key connection with the lower end of the torque sensor, and one end of the worm is connected with the output end of the motor. The driving assembly is stable in transmission during an experiment, has a self-locking function, prevents reverse rotation, improves the detection accuracy, is compact in structure, has a large transmission ratio, is suitable for speed reduction, is low in noise and small in vibration, and effectively prevents the influence on other works in a laboratory.

The utility model provides a headrest mechanism can be folded back to electric, including headrest assembly, screw rod drive mechanism, base, rotating shaft and fixed bolster, screw rod drive mechanism and fixed bolster all solid are established on the base, rotating shaft is rotatably connected on the fixed bolster, headrest assembly is fixed on the rotating shaft, screw rod drive mechanism is connected with rotating shaft through connecting rod mechanism, screw rod drive mechanism and connecting rod mechanism are rotatory connection, connecting rod mechanism and rotating shaft are fixed connection, connecting rod mechanism is rotatory connection still on the base, when screw rod drive mechanism drives connecting rod mechanism to move, can drive rotating shaft to rotate back, thereby drive headrest assembly to fold back, the utility model discloses can realize the big angle folding back of headrest assembly, whether the driver needs to adjust the headrest angle in the specific driving scene, or leans back and folds back, the headrest needs to fold back to the rear larger angle to realize the storage, and this structure can provide enough folding range, greatly enhanced the use convenience of headrest.

The invention discloses a novel clinical uterine curettage device for gynaecology and obstetrics, and relates to the technical field of uterine curettage devices, the novel clinical uterine curettage device for gynaecology and obstetrics comprises a handle, a length adjusting mechanism, an angle adjusting mechanism and a rotating mechanism are arranged on the inner side of the handle, a movable cylinder is arranged on the inner surface of the length adjusting mechanism, and a deformation mechanism is arranged at one end of the movable cylinder. According to the novel clinical uterine curettage device for the obstetrics and gynecology department, by arranging the deformation mechanism, the opening amplitude and shape of the deformable curettage ring can be precisely adjusted, the deformable curettage ring is made to adapt to the sizes and shape differences of uterine cavities of different patients, compared with a fixed arc-shaped structure, friction and extrusion generated when the curettage assembly enters the uterine cavity are reduced, the operation entering difficulty is lowered, and the pain feeling of the patients is reduced; the problems that most scraping assemblies of an existing clinically-used uterine curettage device are of a fixed-shape arc-shaped structure, the entering difficulty is increased, the operation time is prolonged, high pain can be brought to a patient, even complications such as uterine cavity mucosa injury can be possibly caused, and postoperative recovery of the patient is affected are solved.

The utility model relates to the technical field of oil drilling and production flashboard blowout preventers, in particular to a flashboard blowout preventer which comprises a shell and locking assemblies arranged oppositely, each locking assembly comprises a flashboard body and a locking part, and the locking parts are assembled on the flashboard body in a guiding and sliding mode along the face, connected with the locking parts, of the flashboard body. Wherein the face, connected with the locking component, of the gate plate body in at least one locking assembly is a connecting inclined face which forms an included angle with the axis of the tubular column, and the locking component slides along the connecting inclined face in a guiding mode so as to drive the locking component to move when the tubular column is ejected upwards or falls down, so that the locking component is automatically wedged between the gate plate body and the tubular column in a one-way mode. The locking component has a self-locking function, when the clamping constraint force of the pipe column is not reliable, upward and downward one-way automatic wedge-caulking of the pipe column to be locked can be achieved, and therefore it is guaranteed that the pipe column is locked and fixed in the length direction.

The utility model discloses a kind of convenient climb nail type rod pieces, including rod body and multiple climb nails, multiple channel steel blocks are installed on the rod body, channel steel block and rod body are formed between all insertion slot, matching positioning block is inserted in insertion slot, connecting port is vertically provided in positioning block, one end of climb nail is all curved downward to form connecting portion, connecting portion is all through connecting port, and all outward protruding to form clamping portion, the outer wall surface of rod body is below channel steel block and is all equipped with clamping groove, clamping groove is all oppositely arranged with clamping portion. The utility model is simple in structure, climb nail, channel steel block all adopt high-strength material, die stamping molding;Climb nail design is in line with ergonomics, simple to install when using, can be directly inserted in the insertion slot of rod piece, without complex tool;And after treading, climb nail has self-locking function, increase safety.

The application relates to a double-channel rotating detonation combustion chamber structure with an inlet total pressure adjusting function, which comprises a Tesla valve arranged at the inlet of the rotating detonation combustion chamber, the Tesla valve comprises a shell and a flow channel, the inlet end and the outlet end of the flow channel are respectively provided with pressure adjusting structures, the radial outer side of the flow channel is provided with an injection channel, the injection channel comprises an air outlet channel and a pressurizing channel communicated with the air outlet channel, and the side, away from the pressurizing channel, of the air outlet channel is provided with an opening and closing assembly for opening or closing the air outlet channel, the opening and closing assembly comprises a supporting plate, a plurality of opening and closing doors and a self-locking driving part, and the self-locking driving part is used for synchronously driving the plurality of opening and closing doors to be close to or away from the outlet side of the air outlet channel. The application has the effects that when the rotating detonation combustion chamber is in an air thin belt, the air intake of the air inlet channel is automatically enhanced, the rotating detonation combustion chamber preferentially intakes the air in the air inlet channel, the air supply of the combustion chamber is ensured, and the adaptability and stability of the combustion chamber in different environments are improved.

The present application relates to the field of robot technology, disclose a kind of movable rotary obstacle avoidance tree climbing robot, to solve the problem of insufficient flexibility of existing tree climbing robot, when lateral obstacle cannot effectively avoid obstacle.The robot mainly includes clamping device, move climbing device, rotary device and clamping power device.Clarke worm drive, combined with support spring and connecting rod mechanism, can self-adaptively adjust clamping force to adapt to different diameter of tree trunk.Move climbing device uses multiple lifting support arms and multiple servo motors to cooperate, and climbs the tree trunk flexibly.The rotary device drives the upper half device to rotate through gear engagement, realizes quick rotary obstacle avoidance during climbing.The present application has the advantages of large clamping force, self-adaptation tree diameter, strong obstacle crossing ability and fast obstacle avoidance speed.

The application provides a butt joint device for pipeline installation, and belongs to the technical field of pipeline installation equipment, which comprises a frame body, a rotating shaft, a supporting beam and a clamping piece. The butt joint device for pipeline installation is provided with the rotating shaft installed on the top of the frame body, the axial direction of the rotating shaft is arranged in the horizontal direction, the supporting beam is fixedly installed on the rotating shaft, and the axial direction of the supporting beam is perpendicular to the axial direction of the rotating shaft. Since the clamping piece is fixedly installed on the supporting beam, when the rotating shaft rotates, the pipeline on the clamping piece can move synchronously, so that the inclination angle of the pipeline can be changed. The worm wheel is fixedly installed on the rotating shaft, and the worm is installed on the frame body and is in mesh with the worm wheel. Therefore, when the inclination angle of the pipeline needs to be adjusted, the worm only needs to be driven to rotate, and the transmission mode of the worm wheel and the worm has a self-locking function, so that the pipeline can be kept relatively stable when it is in an inclined state.

The invention belongs to the technical field of special inspection and maintenance, aims to solve the problem of rapid positioning under the ultra-large stroke requirement, and discloses a steel wire rope traction-based multi-stage sleeve vertical telescopic device which comprises a servo motor, a steel wire reel, a telescopic sleeve and a stay wire encoder which are mounted on a fixed truss, the servo motor is connected with the steel wire reel and drives the steel wire reel to rotate to achieve winding and unwinding of the steel wire rope so as to control the telescopic sleeve to ascend and descend. The telescopic sleeve is provided with a plurality of nested sleeve bodies to achieve tool ascending and descending. Linkage stretching is achieved through the stepped flange structure of the multi-stage sleeve, step-by-step stretching is achieved through the gravity of the sleeve and the limiting relation of the upper flange, the sleeve can be in linkage with the multi-stage sleeve through a single motor, step-by-step nesting limiting shrinkage is achieved between the sleeve body and the lower flange from inside to outside, the structure is compact, and the transmission mode is simple and reliable.

The utility model discloses a sectional type bolt fastening device with a self-locking function, which is applied to the field of bolt fastening devices and comprises a bolt head, a connecting rod is integrally formed on the surface of the bolt head, and a screw is arranged at one end of the connecting rod. The clamping block is clamped with the ratchet wheel under the action of the spring, so that the ratchet wheel rotates unidirectionally, the nut rotates unidirectionally due to the unidirectional rotation of the ratchet wheel, after the nut is fastened in place, the clamping block is clamped with the ratchet wheel, and the nut is prevented from rotating reversely, so that the purpose of having a self-locking function can be achieved, the stability of the fastener is ensured, and the safety is improved; according to the utility model, the second bolt is loosened by using a tool, the insertion rod is pulled out from the insertion hole, then the connecting rod with the required length is inserted into the insertion rod, the second bolt is mounted and tightened, and the second bolt is fixed, so that the purpose of adjusting the length can be achieved, the use cost is reduced, and the practicability and the applicability are improved.

This invention belongs to the field of orthopedic medical auxiliary device technology, and discloses an orthopedic reduction and fixation device, including a main board. Connecting plates are symmetrically and rotatably engaged at both ends of the main board. A secondary plate is rotatably connected to the connecting plates via a self-locking assembly. A first buffer pad and a second buffer pad are provided on the inner sides of the secondary plate and the main board. The first buffer pad is equipped with a strap assembly. The self-locking assembly includes two symmetrical adjustment holes on both sides of the connecting plates. A first adjustment rod and a second adjustment rod, fixedly connected to the secondary plate, are movably engaged in the two adjustment holes respectively. One end of the first adjustment rod extending into the adjustment hole has a first tooth, and the other end has a pointer. The adjustment hole corresponding to the first adjustment rod has a second tooth that meshes with the first tooth. A spring is sleeved on the first adjustment rod located within the adjustment hole. This invention allows for adjustment of the orthopedic device parameters without the need for specialized tools, reducing the workload of medical personnel. It also has a self-locking function, enabling both precise and rapid adjustment and secure locking.

The utility model discloses a pipe thread direct head anti-loosening fastening structure relates to pipeline connection technical field, including locating block, one end of locating block is fixedly connected with the locating frame, and the end portion of locating frame rotatably installs the limiting mechanism, and the limiting mechanism includes the limiting ring and first rotation lever, and both ends of limiting ring all end fixedly connected with the bended rod, the utility model first rotation lever rotates and will drive limiting ring movement through bended rod, and second rotation lever rotates with bended rod and takes locating rod as the axle, and the common cooperation makes limiting ring realize the clamping or loosening of pipe thread direct head, reaches the anti-loosening fastening effect, through the meshing drive of worm and sector worm wheel, has the self -lock function, can prevent reverse rotation and lead to loosening, and ensure the fastening stability, and limiting ring is connected with first, second rotation lever through bended rod, can adapt to different specifications pipe thread direct head, and enhances the applicability.

The application discloses a servo cut-off valve group, which comprises a first valve body and a second valve body integrated on a valve seat. Both the valve bodies are provided with valve cavities, and the valve cavities are internally provided with valve spools driven by a servo motor through a screw rod. The valve bodies are provided with outer ring channels communicated with inlet and outlet of the valve seat on the side surfaces, the outer ring channels are communicated with the valve cavities through a plurality of uniformly distributed lateral flow channels, and the inner walls of the valve cavities are further provided with inner ring channels. The longitudinal flow channels at the bottoms of the two valve cavities are communicated with each other through channels in the valve seat. When the two valve spools synchronously rise above the lateral flow channels, fluid can sequentially pass through the flow channels, and the valve is opened; when the two valve spools synchronously descend to completely cover the lateral flow channels, the valve is closed. The two valve cavities are communicated at the bottoms to form a pressure balance cavity, so that the valve spools are hardly subjected to axial thrust when the valve is closed, and high pressure is converted into sealing force in the radial direction of the valve spools, thereby fundamentally solving the high pressure leakage problem of traditional cut-off valves, and the application is especially suitable for high pressure equipment such as filter presses.

The application relates to a processing method of a momentum wheel thin-wall sealing cover, which comprises the following steps: 1, rough machining is performed on the outer circular sidewall of a part blank, a process handle and a process handle sidewall; 2, a self-adaptive sidewall damping tool is installed on a general hydraulic chuck, the process handle end of the part is clamped, and the right end of the part is in elastic contact with the self-adaptive sidewall damping tool; a self-adaptive circular damping tool is sleeved on the outer circle of the part; the inner hole of the part is precisely machined; 3, the self-adaptive circular damping tool is removed, a gas bag part of a gas bag auxiliary support is inserted into the inner hole of the part, and the gas bag is inflated to be in contact with the inner hole wall of the part; then the center position of the right end rigid part of the gas bag auxiliary support is pressed by a built-in tail center of a machine tool tailstock; the outer circle of the part is precisely machined to the design size; 4, the outer circular sidewall of the part is precisely machined, and the process handle is removed. The application can realize a better machining damping effect.

The invention discloses an adjustable anti-splashing welding protection device. The adjustable anti-splashing welding protection device comprises square protection glass and a welding handle connecting module. One side of the square protective glass is arranged at the front end of the welding handle connecting module in a clamped mode through a glass chuck, the welding handle connecting module comprises an angle-adjustable assembly and a welding handle fixing clamping jaw, and the welding handle fixing clamping jaw is used for clamping and fixing a welding handle. The angle-adjustable assembly is formed by connecting a multi-section connecting rod and a plurality of damping rotating shafts in series, the directions of the rotating axes of the adjacent damping rotating shafts are different, and the damping rotating shafts have a self-locking function, so that the square protective glass can be subjected to position and angle adjustment in a three-dimensional space and is kept stable after adjustment. The square protective glass is made of high-temperature-resistant borosilicate glass, and at least one surface of the square protective glass is provided with a plurality of light filtering coatings. The protection device and the welding handle are integrally connected, so that cooperation of protection and operation in the welding operation process is achieved, and the safety and adaptability of welding operation are improved.

The utility model discloses a kind of manually adjustable photovoltaic supports, including support, bearing seat installed in the top of support, with the main beam of bearing connection in bearing seat, at least one side of the friction adjusting assembly of being installed in main beam and being located in bearing axial, the friction adjusting assembly includes fixed in the friction ring push base of main beam, with the axial movable connection of friction ring push base friction ring and with the self-locking adjusting piece of friction ring push base connection, the self-locking adjusting piece is used to push friction ring relative friction ring push base axial motion, and make friction ring and bearing inner race friction lock. Since self-locking adjusting piece can be self-locking, after adjusting is completed, make friction ring and bearing inner race friction always in locking state, until next time when being operated, remove the pushing force of friction ring, make friction ring and bearing inner race separate, so it is convenient to manually adjust.

The utility model discloses a kind of coating glue amount regulation control mechanism, to solve the problem of difficult accurate control of glue output speed in coating composite in prior art, uneven coating. The mechanism includes two side plates, glue roller is installed between two side plates, two swing arms and glue disc, glue delivery roller and metering anilox roller are installed between swing arm, metering anilox roller is close to glue roller, the interval between glue delivery roller and metering anilox roller is adjustable, the swing angle of swing arm is adjustable. Through the above double regulation mechanism, the transfer amount of glue between glue delivery roller and metering anilox roller and between metering anilox roller and glue roller can be accurately controlled, and coating uniformity and composite quality are significantly improved.

The utility model relates to welding auxiliary technical field, proposes a kind of high-frequency heating auxiliary friction stir welding device, the present design includes welding mechanism, high-frequency heater being arranged in the side surface of welding mechanism, and stirring needle is rotatably connected to the bottom of welding mechanism, and lifting adjustment assembly is arranged in the side surface of welding mechanism, and lifting adjustment assembly includes the sliding seat that can drive high-frequency heater and move vertically in the side surface of welding mechanism, horizontal adjustment assembly is arranged in the inside of sliding seat, and horizontal adjustment assembly includes two groups of the sliding sleeve that can drive high-frequency heater and slide horizontally and slide lock;The present design is through high-frequency preheating and two big innovations of multi-degree-of-freedom adjustment, solves the pain point that stirring head is easy to wear and tear, not flexible in traditional friction stir welding adjustment, significantly improves welding efficiency, quality and equipment life, and all mechanical design is applicable to industrial high-strength application scene.

The invention discloses a parking lock and a management system, and the parking lock comprises a base body; the lock part is rotationally mounted on the base body through a horizontal overturning shaft; the worm and gear mechanism is mounted on the base body, and a matched worm gear is connected with the turnover shaft; the power machine is provided with an output shaft, a worm of the worm and gear mechanism is connected with the output shaft in the circumferential direction, and the worm has the axial degree of freedom relative to the output shaft and is limited in a preset floating interval in the axial direction; and the elastic component provides axial force acting on the worm in the direction far away from the output shaft, so that the worm is biased in the direction far away from the output shaft in the floating section. According to the parking lock structure, the reliability of the parking lock is relatively good.

The utility model discloses adjustable metal piece surface heat treatment processing equipment which comprises a furnace body and flame-retardant bricks arranged in the furnace body, an opening is formed in the bottom of the right side of the furnace body, the opening is communicated with the inner wall of the furnace body, a support is fixedly connected to the right side of the flame-retardant bricks, and the flame-retardant bricks are arranged in the support. A connecting block is installed on the right side of the furnace body through an adjusting structure, a crank is movably connected to the surface of the connecting block through a pin shaft, the side, away from the connecting block, of the crank penetrates through the opening and extends to the right side of the support, and the support is movably connected with the crank through a pin shaft; the adjusting structure can control the two connecting blocks to move oppositely and push the flame-retardant bricks to ascend and descend. Through linkage of the crank and the support, the height of the flame-retardant brick can be flexibly increased and decreased according to the size of a metal piece, flame is prevented from crossing the flame-retardant brick to bake the inner wall of the furnace body, the crank is movably connected with the pin shaft of the connecting block to ensure stable transmission, and the flame-retardant brick is prevented from deviating or being clamped in the lifting process.

This utility model relates to the field of steel structure technology, specifically to a welding steel structure clamp, comprising a base, with clamps on both sides of the upper middle portion of the base, each clamp including a base plate, with a fixed clamping plate fixedly installed on one side of the upper part of each base plate, and a sliding groove formed in the middle of the upper part of each base plate, the sliding clamping plate being slidably engaged in the middle of the sliding groove, a hollow groove formed in the middle of one end of the base, a semi-circular worm gear fixedly installed on one side of the middle of the hollow groove, a semi-circular sliding groove formed in one side of the middle of one end of the base, a semi-circular sliding plate being slidably engaged in the middle of the semi-circular sliding groove, a fixed plate fixedly installed at the lower end of the semi-circular sliding plate, and a worm gear rotatably installed in the middle of one end of the fixed plate. This utility model solves the problem that traditional clamps are mostly fixed angles, such as right angles, and can only meet the needs of straight line or simple angle welding, such as flat welding and fillet welding, which have many shortcomings in practical use.

The rail vehicle secondary suspension system connects the bogie and the carriage floor, and comprises a height adjustment mechanism fixed to the bogie and a rubber vibration isolator fixed to the carriage floor. The height adjustment mechanism comprises a box body fixed to the bogie and filled with lubricating grease or lubricating oil, an electric worm gear installed in the box body, and an expansion piece installed in the box body in the vertical direction and having a self-locking function. The expansion piece is in transmission connection with the electric worm gear, and is fixed to the rubber vibration isolator and is extended and retracted with the transmission of the electric worm gear to drive the rubber vibration isolator to rise and fall. The present application ensures the consistency of the height of the carriage floor after adjustment, avoids the inclination and deflection of the floor caused by different loads, improves the convenience, accuracy and reliability of the height adjustment of the carriage floor, has a simple structure, light weight, low manufacturing and maintenance cost, keeps the normal height of the carriage floor during the load process, ensures the stability of the vehicle during driving, and improves the riding comfort. The present application also provides a height adjustment method of the carriage floor.

The utility model relates to a toy launcher, on the toy launcher, through a detachable insertion structure of an installation block and an insertion groove, when the installation block slides into an alignment groove along the insertion groove, a clamping part and the installation block form mechanical locking, so that the connection between a supply mechanism and an installation seat has a self-locking function; the connection stability of the two parts is effectively improved, and the problem of loosening and disengaging caused by vibration or external force in long-term use is avoided. Due to the fact that the supply mechanism and the body are matched through sliding insertion of the alignment groove and the installation block, when the installation block is inserted into the insertion groove, the groove wall of the alignment groove can accurately guide and limit the installation block, it is guaranteed that the assembly position between the supply mechanism and the body is unique and fixed, and the phenomenon that the launcher is poor in supply due to dislocation is eliminated.

The utility model discloses a building material mechanics performance testing arrangement, including work table, the top of work table is provided with fixed assembly, the top of work table is provided with detection subassembly, the front fixed mounting of work table has data processing and control assembly, the bottom fixed mounting of pressure sensor has extruding head, hydraulic pressure stem and pressure sensor all are with data processing and control assembly electricity is connected, the utility model relates to building material detection technical field, the building material mechanics performance testing arrangement passes through setting detection subassembly, servo motor can drive the rotation of swingle, and further adjusts the angle of hydraulic pressure stem, so that extruding head can exert pressure from different angles to building material, and pressure sensor can detect pressure data in real time and transmit to data processing and control assembly, and angle sensor can detect the rotation angle of swingle, has realized the mechanics performance test of building material under the stress condition of different angles, has greatly widened the application scope of device.

The utility model relates to the technical field of seats, in particular to a chair with a backrest angle adjusting group, which comprises a seat, a backrest and an adjusting mechanism, a first hinge groove is arranged on the lower side of the rear portion of the seat, and a second hinge groove is arranged at the bottom of the backrest. The adjusting mechanism comprises a pivotal shaft, the two ends of the pivotal shaft are rotationally connected into the second hinge grooves, and the two sides of the pivotal shaft are sleeved with connecting arms; the free ends of the two connecting arms are rotationally connected with a linkage shaft; the two ends of the linkage shaft are rotationally connected with L-shaped driving arms. A cylinder body of the linear actuator is hinged to the lower portion of the side, away from the fixing shaft, of the first hinge groove, and the end of a telescopic rod is fixed to an actuator connecting sleeve; by means of automatic backrest angle adjustment, flexible caster lifting and self-locking functions, reasonable component structure design and ergonomic controller arrangement, the effects of being convenient to adjust, high in comfort, diversified in function, stable in structure and convenient and fast to operate are achieved.

The utility model discloses a deformable surface resistance reduction device based on bionic tegillarca granosa. The device comprises a deformable plate body structure module, the deformable plate body structure module comprises a main plate and a plurality of adjustable structures arranged on the main plate, and the adjustable structures are used for forming a dynamically adjustable resistance reduction surface; and the driving adjusting mechanism module is used for controlling the form of the adjustable structure so as to dynamically adjust the surface flow field characteristics of the deformable plate body structure module, and the real-time variable drag reduction effect is achieved. By simulating the concave-convex shape of the surface of the scapharca granosa shell, dynamic switching between a smooth surface and a groove surface is achieved through unfolding and folding of the corrugated plates, the surface shape can be adjusted in real time according to fluid parameters, and compared with a traditional fixing structure, the drag reduction efficiency is improved.

The utility model discloses a kind of shooting position positioning devices, belong to shooting device technical field, the shooting position positioning device includes bottom plate, lifting frame and direction adjusting mechanism;The direction adjusting mechanism includes mounting plate, pivot, U-shaped support, connecting block, driven gear, groove, lead screw, moving block, diagonal bracing, first motor and mounting block;The front end of the mounting block is equipped with the positioning structure for fixing shooting equipment;Rotary mechanism is fixedly installed in the lower end of the connecting block.The shooting position positioning device is set by setting direction adjusting mechanism, rotary mechanism and positioning structure, integrates four big functions of lifting, horizontal rotation, pitch adjustment and equipment fixing, simultaneously realizes the accurate adjustment of each shooting angle, is set by positioning structure, realizes "one press immediately lock, one lift immediately loose" lossless quick clamping, greatly improves work efficiency, avoids the problem that traditional screw fixing mode is tedious, easy to scratch equipment.

This invention provides a self-locking hole probe plug device and its design method. The self-locking hole probe plug device includes a plug, a first self-locking component, a second self-locking component, an elastic component, and a pressure cap. The plug is detachably mounted to the engine casing and has a sealing boss. The first self-locking component includes a first self-locking structure, and its inner wall surface has an annular step. The second self-locking component includes a second self-locking structure. The plug has a limiting portion, and the second self-locking component has a limiting mating portion, with a clearance fit between the limiting portion and the limiting portion. The limiting portion includes a first limiting plane, and the limiting mating portion includes a second limiting plane. In the assembled state, the sealing boss and the annular step are in contact. In the locked state, the sealing boss disengages downward from the annular step, pressing against the engine casing. The elastic force generated by the compression of the pressure cap presses the second self-locking structure against the first self-locking structure.