23results about How to "Precise angle adjustment" patented technology

The utility model discloses a special-shaped nut welding positioning device which comprises a spot welding machine, a supporting and driving supporting frame is fixed on the front surface of the spot welding machine, a cavity is formed in the supporting and driving supporting frame, an adjusting piece is arranged in the cavity in a rotating mode, a supporting piece is fixed at the top end of the adjusting piece, and a driving piece is arranged in the top end of the supporting piece in a sliding mode. A rotating clamping plate is rotatably arranged at the top end of the driving part, a driven stand column is fixed to the bottom end of the rotating clamping plate, a driven roller is rotatably arranged at the bottom end of the driven stand column, a cavity is formed in the rotating clamping plate, a sliding clamping plate is slidably arranged at the top end in the cavity, and a driving screw is rotatably arranged at the bottom end in the cavity. The driving wedge block and the driven wedge block in the driving piece are matched with each other, the driven roller is pushed through the action of the inclined face, then the rotating clamping plate is driven to rotate, the angle of the special-shaped nut is flexibly adjusted, the angle adjusting process is stable and accurate, and the welding positioning accuracy is improved.

This utility model discloses a pipe jacking axis measuring device, belonging to the field of municipal engineering construction surveying technology, aiming to solve the problems of poor adaptability, low adjustment accuracy, and complex operation of existing devices. The device includes a laser collimator main body, an adjusting frame, and a telescopic support rod. A limiting hole is provided on the side of the laser collimator main body, and the adjusting frame is assembled into the limiting hole. Three internal threaded sleeves are fixed on its outer side, and the telescopic support rod is detachably assembled into the internal threaded sleeves. The adjusting frame includes an outer frame, an inner frame, a rubber ring, a threaded knob, a limiting stake, a threaded stake, and a threaded short sleeve, enabling precise adjustment and locking of the laser collimator main body's direction and tilt angle. The telescopic support rod includes a hexagonal screw head, an outer long tube, an inner long tube, a hexagonal bolt, a limiting screw, and other components, supporting dual length adjustment of "coarse adjustment + fine adjustment," adapting to pipe jacking of different diameters. In scenarios with ultra-large diameter pipe jacking, a single support rod can be detached and bolted to form a stable triangular structure.

The utility model provides a variable pitch blade device, which relates to the technical field of unmanned aerial vehicle engines, and comprises a fixed seat fixedly arranged at an air inlet of a supercharger, a plurality of mounting holes are arranged around the fixed seat perpendicular to the air inlet direction, blades of the supercharger are rotatably mounted in the mounting holes, and a guide groove is arranged on the fixed seat along the air inlet direction. The sliding block is arranged in the guide groove in a sliding mode and moves back and forth along the guide groove under the action of the lead screw, a mounting cavity is formed between the sliding block and the fixing base in a surrounding mode, the paddles penetrate through the mounting holes, an eccentric wheel is arranged in the mounting cavity, the outer edge of the eccentric wheel is pushed when the sliding block moves, the paddles are made to rotate, and then the screw pitch between the adjacent paddles is changed. The continuous power output capacity of the unmanned aerial vehicle engine under the dynamic load change is improved, the reliability of the unmanned aerial vehicle engine in complex tasks is enhanced, and the unmanned aerial vehicle engine system is compact in structure, simple in design and suitable for being used in space-limited and large-height-span unmanned aerial vehicle engine systems.

The application discloses a kind of detection devices of foundation engineering construction sediment thickness, including support structure, extension structure and detection structure, the extension structure is detachably arranged on support structure, the detection structure is fixedly arranged in extension structure, the present application relates to detection equipment technical field, the present application has the beneficial effect that: support stability and flexibility are double excellent, adapt to complex construction site, avoid device to dump, provide stable foundation for subsequent detection, solve the problem of traditional detection "unstable, easy to deviate", storage and extension are high in convenience, reduce carrying and operating cost, detection adaptability is wide+angle adjustment is accurate, cover multi-scene detection demand, horizontal adjustment automation, solve the problem of traditional detection "rely on manual experience, horizontal adjustment error is big", strong light anti-interference ability is strong, guarantee detection precision stability, reduce personnel risk.

The present application belongs to the field of burners, and discloses a deflectable wall-type tangential circle boiler burner and a working method. The deflection assembly adopts a transmission mode of servo motors, screw rods and solid rods, which can realize accurate angle adjustment. This makes the burner nozzle able to adjust the direction in real time according to the needs, and optimizes the distribution of combustion gas flow in the furnace. Especially under the conditions of boiler load change or different fuels, this flexible adjustment capability helps to improve the combustion efficiency. By accurately adjusting the deflection angle of the nozzle, the present application can make the combustion gas flow evenly distributed in the furnace, reducing the phenomenon of incomplete combustion. The direction of the burner nozzle can be dynamically adjusted according to different working conditions, so as to better adapt to the needs of different loads and different fuels, and finally improve the overall combustion efficiency of the boiler. The adjustable deflection angle of the present application makes the burner nozzle able to adjust according to the distribution of the temperature in the furnace, effectively avoiding the areas with excessively high or low temperature.

The utility model provides an equatorial telescope adjusting device, which is arranged between a support frame and a telescope and comprises a connecting seat and an elevation angle adjusting component, the connecting base is connected to the supporting frame. The elevation angle adjusting assembly comprises a first elevation angle seat, a second elevation angle seat and a fine adjusting structure, the first elevation angle seat is rotatably connected to the connecting seat, and the rotating axis of the first elevation angle seat is horizontally arranged so that the relative elevation angle between the first elevation angle seat and the connecting seat can be adjusted; the second elevation angle seat is connected with the telescope, the second elevation angle seat is rotatably connected to the first elevation angle seat, and the rotation axis of the second elevation angle seat is horizontally arranged; the two ends of the fine adjustment structure are rotatably connected to the first elevation angle seat and the second elevation angle seat respectively, and the two ends of the fine adjustment structure can be relatively close to or far away from each other to adjust the relative elevation angle between the second elevation angle seat and the first elevation angle seat, so that the angle of the telescope can be adjusted quickly and accurately, the calibration operation of the astronomical telescope is simplified, and the calibration efficiency of the astronomical telescope is improved. And the control efficiency is improved.

The utility model discloses a positioning tool for automobile parts, which comprises a bottom plate, a rotary adjusting mechanism, a quick disassembly and assembly mechanism and an assembly and disassembly auxiliary mechanism, the rotary adjusting mechanism comprises a driving motor, a driving tooth, a driven fluted disc, a rotating plate and a mounting plate, the quick disassembly and assembly mechanism comprises a lateral plate, a fixing plate, a clamping pipe, a clamping rod, a clamping groove and a cross-shaped lock frame, accurate angle adjustment can be achieved through transmission of a driving motor and a gear, the rotation adjusting mechanism can be used for achieving accurate angle adjustment, the positioning tool can flexibly adjust the position and the angle, and the quick disassembly and assembly mechanism can be conveniently and rapidly disassembled and assembled in a simple and convenient connection mode. According to the assembling and disassembling auxiliary mechanism, the tool component and the clamping assembly can be rapidly disassembled and assembled, the operation time is shortened, the complexity is reduced, the assembling and disassembling auxiliary mechanism can stably fix and disassemble the clamping assembly through the accurate clamping and positioning functions, and the safety and stability in the assembling and disassembling process are improved.

The invention relates to the technical field of medical instruments, in particular to a rectum varus suturing instrument under a laparoscope. Comprising a needle holding forceps body, a sleeve rod and a handle which are connected with each other are arranged on the needle holding forceps body, a fixed forceps head and a movable forceps head which are matched with each other are connected to the end of the sleeve rod, a U-shaped groove which is sunken towards the holding direction of the handle is formed in the handle, and a sliding block is installed on the clamping face of the fixed forceps head in a sliding mode. The sliding direction of the sliding block is parallel to the length direction of the fixed forceps head, an adjusting part for pushing the sliding block to slide is arranged on the handle, and when the fixed forceps head and the movable forceps head clamp the suture needle, the sliding block can drive the suture needle to rotate around the axis of the suture needle; the sliding block capable of sliding is arranged on the fixed forceps head, so that the angle adjustment work of the suture needle is achieved, the operation process is remarkably simplified, the adjustment efficiency is improved, and the forceps are particularly suitable for operation scenes such as rectum inversion suture under a laparoscope and the like which have high requirements for instrument control precision.

This utility model discloses a segmented retaining edge for a web mold with angle adjustment function, including a worktable and support legs installed at the four corners of the bottom of the worktable. Two sets of guide grooves are formed at the top of the worktable, and movable seats are installed on both sides of the top of the worktable. The bottom of each movable seat is slidably connected to the two sets of guide grooves via two sets of guide blocks. A rotating shaft is installed at the rear of the top of each of the two sets of movable seats, and a segmented retaining edge is rotatably connected to the outside of each of the two sets of rotating shafts. A threaded seat is installed at the opposite end of each of the two sets of movable seats, and a lead screw is internally threaded into each of the two sets of threaded seats. A throttle handle is installed at the opposite end of each of the two sets of lead screws. By installing rotatable segmented retaining edges on the two sets of movable seats, the throttle handle can be rotated to rotate the lead screw, pushing the hinge joint to move. This allows the slider to slide within the groove, achieving rapid and precise angle adjustment of the segmented retaining edge, avoiding repeated welding, improving adjustment efficiency and accuracy, and reducing the risk of deformation.

The utility model discloses a dust removal device under a mine, and relates to the technical field of dust removal equipment in the mine. The device comprises a dry-type dust collector which is arranged in a mine, an air outlet of the dry-type dust collector is located at an air outlet of the mine, an air inlet of the dry-type dust collector is connected with an air pipe, a hanging bracket is installed at the free end of the air pipe, the two ends of the hanging bracket are respectively provided with a back shore supporting foot, the hanging bracket is provided with two sections, and the two sections of the hanging bracket are connected through a telescopic assembly. And one end of the supporting arm assembly is rotationally connected with the hanging bracket, the other end of the supporting arm assembly is rotationally connected with a positive pressure fan, and an air outlet of the positive pressure fan corresponds to an air inlet of the air pipe. According to the utility model, the two telescopically connected hanging brackets are connected through the telescopic assembly, so that the length can be adjusted according to the caliber change of different areas of a mine; the supporting arm assembly moves to the side far away from the air pipe, dust is blown to the air pipe, the dust removal rate is increased, and the air quality in a mine and the operation safety of miners are guaranteed.

The utility model relates to the technical field of LED projection lamps, and discloses an LED projection lamp control device which comprises an LED module, a fixing frame, a connecting plate, a heat dissipation table, a supporting frame, a rotating roller and a control assembly, the control assembly takes a servo motor as a power source, and the motor drives a driving gear to rotate. The driving gear is meshed with a plurality of connecting gears, then the connecting gears are matched with tooth grooves in the inner wall of the rotary drum, power is transmitted to the rotary drum, the diameter ratio of the driving gear to the rotary drum is 1: 3, the planetary gear structure is excellent in motor torque lifting performance, stable rotation can be ensured when a heavy LED module, a heat dissipation table and other structures are driven, and the service life of the motor is prolonged. And the rotating drum rotates to drive the rotating roller through the connecting disc and the connecting rod, so that the connecting plate and the LED module rotate, and the angle of the projection lamp is controlled. By means of the structural design, accurate transmission ratio control can be achieved, the rotation angle of the LED module can be accurately adjusted, and the requirement for accurate angle control in the modern illumination field is met.

The invention discloses an active air-inlet grille mechanism and a vehicle, the active air-inlet grille mechanism comprises a frame, a plurality of blades and a driving mechanism, the frame comprises an arc-shaped part, and the arc-shaped part is provided with an air inlet; the blades are installed on the arc-shaped part, the driving mechanism comprises a motor and a guide plate, the motor drives the guide plate to move in the extending direction of the arc-shaped part, and the blades are connected to the guide plate; the blades are provided with rotating shafts and connecting shafts, the rotating shafts are arranged on one sides of the blades and rotationally connected to the frame, the frame is provided with guide grooves, the connecting shafts are arranged at the tops of the blades and penetrate through the guide grooves, the guide plates are provided with sliding grooves, and the connecting shafts penetrate through the sliding grooves; the curvature of the arc-shaped parts is gradually increased in the direction from the middle of the frame to the two sides of the frame, and the linear distance between the rotating shafts and the connecting shafts of the blades at the corresponding positions is also gradually increased. Due to the fact that the linear distances between the rotating shafts and the connecting shafts of the different blades are different, the rotating angles of the different blades are different.

This invention discloses a camera auxiliary support frame with multi-angle adjustment function, including a mounting plate movably connected to the top of a fixed base. A support is fixed to the outer wall of the top of the mounting plate by screws. A drive shaft is movably connected to the inner wall of through holes on both sides of the support. A sleeve is fixed to the outer circumference of the drive shaft by pins. A sliding plate is movably connected to one end of the sleeve. The same drive rod is movably connected to through holes in the interior of the mounting plate and the interior of the fixed base. A bracket is fixed to the top of the drive rod by screws. The inner walls on both sides of the bracket and one end of the sliding plate are movably connected by a rotating shaft. A handle is fixed to the bottom of the drive rod by screws. This invention allows for simple adjustments of the camera in both the circumferential and vertical tilt directions by rotating and pushing / pulling the handle, eliminating the need for complex tools or cumbersome steps, greatly simplifying the camera angle adjustment process and improving operational efficiency.

The utility model discloses a kind of multi-station thin-wall sheet metal welding jigs, it is related to sheet metal welding technical field, solve the problem that traditional welding fixture can only realize single-station operation, welding efficiency is lower, cannot satisfy the demand of large-scale production.A kind of multi-station thin-wall sheet metal welding jig, comprising: base;The base adopts rectangular plate structure;The top of base is fixedly arranged with a group of first sliding rail on both sides;Two groups of first sliding rail between both sides are slidably arranged with a group of rectangular block structure's sliding block;The top of sliding block is arranged in array and is rotatably provided with the connecting shaft of U-shaped plate structure;The bottom outside of connecting shaft is fixedly provided with first gear;The top of connecting shaft is rotatably provided with first cylinder;The outside end of the rotating shaft of first cylinder is fixedly provided with second gear;Supporting the welding angle of multiple stations is adjusted synchronously, can quickly adapt to the welding operation demand of different angle, greatly improve operating efficiency.

The utility model relates to the technical field of unmanned aerial vehicle inspection, and discloses an unmanned aerial vehicle inspection auxiliary device which comprises an unmanned aerial vehicle body, and a bottom plate is fixedly installed at the bottom of the unmanned aerial vehicle body. The camera is arranged below the bottom plate; the U-shaped seat is fixedly mounted on the lower surface of the bottom plate; the buffer mechanism is mounted on the U-shaped seat and is used for carrying out impact buffering on the camera; according to the unmanned aerial vehicle inspection auxiliary device, impact energy generated during high-speed landing of the unmanned aerial vehicle body can be effectively absorbed and dispersed, impact on precision equipment such as a fuselage and a camera is reduced, and therefore the risk of equipment damage is reduced, and the integrity and long-term stable operation of the unmanned aerial vehicle body and equipment carried by the unmanned aerial vehicle body are ensured; the direction and posture of the camera can be independently driven, accurate angle adjustment is carried out, images or videos in the specific direction can be captured, the adjustment process is more flexible and practical, and the actual use requirement is met.

The utility model relates to elevator car ventilation technical field discloses a sliding type elevator car shutter ventilation structure, including window frame, the left and right sides of the window frame inner wall all rotatoryly connected with a plurality of pivot, the right side fixed connection has gear wheel in right end pivot, the right side middle end of window frame outer wall is provided with the slide groove, the slide groove inner wall is connected with the slide rod that slides, the left end of slide rod is connected with the toothed plate through reset component, the rear side of toothed plate is engageded with gear wheel, the right side fixed connection has the locating plate of window frame outer wall, the locating plate is connected with the slide rod through the locating block, the inner wall of left and right end pivot is connected with leaf plate no.

The application discloses a turntable testing device based on a tiltable guide rod type flat mouth tongs, which comprises a base, a flat mouth tongs body is clamped at the top end of the base, a fixed plate is fixedly connected at the top end of the flat mouth tongs body, a first vertical plate, a second vertical plate and a third vertical plate are sequentially fixedly connected at the top end of the fixed plate, a speed reducer is penetrated through the center of the first vertical plate, a servo motor is connected at one end of the speed reducer, a coupling is connected at the other end of the speed reducer, a transmission shaft is connected with the output shaft of the speed reducer through the coupling, a gear assembly is connected with the transmission shaft through the second vertical plate, a bearing shaft is also penetrated between the second vertical plate and the third vertical plate, a clamping assembly is connected with the bearing shaft, a trapezoidal support frame is fixedly connected at the bottom end of the base, and a fixed block is connected at the top end of the support frame close to the servo motor; the application has the characteristics of testing under the condition that various volume flying carriers are not shielded by any testing device, and has the advantages of being practical, mobile and stable.

The invention discloses a foundation engineering construction sediment thickness detection device, which comprises a supporting structure, an extension structure and a detection structure, the extension structure is detachably arranged on the supporting structure, and the detection structure is fixedly arranged on the extension structure, and relates to the technical field of detection equipment. The device has the advantages of being excellent in supporting stability and flexibility, adaptive to complex construction sites, capable of avoiding device toppling, capable of providing a stable foundation for follow-up detection, capable of solving the problems that traditional detection is unstable in supporting and prone to deviation, high in storage and extension convenience, capable of reducing the carrying and operation cost, wide in detection adaptability, accurate in angle adjustment and high in practicability. The multi-scene detection requirements are met, horizontal adjustment is automatic, the problems that traditional detection depends on artificial experience and the horizontal adjustment error is large are solved, the strong light anti-interference capacity is high, it is guaranteed that the detection precision is stable, and the personnel risk is reduced.

The utility model discloses an adjustable plane belt sander which comprises an operation table, a polishing part and an adjusting part, a supporting frame is arranged at the top of the operation table, the polishing part is arranged at the top of the operation table, the polishing part is provided with a rotating plate rotationally arranged on the side face of the supporting frame, and the adjusting part is arranged at the top of the operation table. The adjusting part is provided with a connecting frame arranged at the top of the supporting frame, a transmission shaft is rotationally arranged in the connecting frame and connected with the rotating plate in a meshed mode, the transmission shaft rotates to control the rotating angle of the rotating plate, a rotating handle is arranged on the side face of the transmission shaft in a sliding mode, and a spring is arranged on the outer side of the transmission shaft in an embedded mode. By arranging the adjusting part, accurate angle adjustment can be achieved through meshing connection of the transmission shaft and the rotating plate, meanwhile, the spring is used for pushing the rotating handle and the connecting frame to be automatically clamped and locked, the stability after grinding angle adjustment is guaranteed, and the problems that a traditional bolt fixing mode is tedious in operation and prone to loosening are solved.

The utility model discloses a kind of universal tool holder auxiliary adjusting locking mechanism, including being equipped with box body turning adjusting mechanism on universal tool holder body, and being equipped with box body locking mechanism on universal tool holder body adjacent to the box body turning adjusting mechanism;The box body turning adjusting mechanism includes being equipped with turning scale dial on universal tool holder body, and scale alignment plate is attached with on universal tool holder body with the turning scale dial;The box body turning adjusting mechanism includes being equipped with the turning column of fixed connection with tool holder body inner bottom wall on one side of turning scale dial, first gear is threadedly rotatable on the turning column;Angle adjusting valve is rotatably arranged on the side adjacent to the turning column in the universal tool holder body, and the angle adjusting valve is connected with box in the universal tool holder body, second gear is arranged on the angle adjusting valve, and the first gear is engaged with the second gear.The utility model has strong practicability.

The utility model relates to photovoltaic panel control circuit technical field, specifically disclose a kind of photovoltaic panel control circuit based on double-chip cooperative control, comprising: main chip is connected with multiple sensors, for receiving the collection data of sensor, the main chip is also connected with motor drive circuit, for sending control instruction signal, the main chip is also connected with high-performance drive chip;Sub-chip is connected with the main chip communication, and the sub-chip is also connected with the motor drive circuit;The motor drive circuit includes multiplex drive circuit, each drive circuit is connected with motor, each motor is connected with hall sensor, the sub-chip is connected with the hall sensor, for collecting hall count;Power-off delay power supply is connected with the main chip, the sub-chip, the motor drive circuit and the motor respectively;Solved the problem that current single-chip photovoltaic panel control circuit when chip failure whole system out of control and lead to photovoltaic panel be damaged.

The utility model discloses a kind of multi-blade saw production clamping devices, it is related to clamping device technical field, including mounting bracket and moving assembly;Mounting bracket: inside left side is equipped with first motor, fixed with the rotating shaft on the output shaft of first motor, rotating shaft's circumferential surface is equipped with brush slip ring, the left end fixed with antiskid ring of rotating shaft circumferential surface, the upper side of mounting bracket right side is equipped with fastening assembly, by setting first motor and rotating shaft rotation are adjusted to the angle of the multi-blade saw after clamping;Moving assembly: including connecting frame, moving strip, bidirectional screw rod, limit rod, first support frame and second motor, the right end fixed with connecting frame of rotating shaft, the inside sliding connection of connecting frame has two corresponding moving strip, the angle of the multi-blade saw after clamping can be adjusted, the position of the multi-blade saw after clamping is adjusted simultaneously conveniently and quickly, and different sizes of multi-blade saw can be clamped and fixed.

The utility model relates to a light -throwing lamp technical field discloses a kind of novel LED light -throwing lamp, including aluminium shell, high thermal conductivity aluminium substrate is arranged at lower end place inside aluminium shell, the front side of high thermal conductivity aluminium substrate is provided with patch light source, the front side of patch light source is provided with anti-UV optical lens, aluminium shell inside edge place is provided with nano PC reflector sheet;Anti-UV waterproof silica gel ring is arranged between the nano PC reflector sheet and aluminium shell, the front side of aluminium shell is fixed with toughened glass face cover by a plurality of bolt buckles or face frame cover setting.The utility model in the present application has bolt buckle fixing and face frame cover fixing two kinds of LED light -throwing lamps, both share heat dissipation advantage, high thermal conductivity aluminium substrate, die-cast aluminium shell and fin group cooperation, double through-hole helps heat dissipation.Threefold protection reaches IP68 level, general structure can be accurately adjusted angle, power groove is heat insulation, the former is convenient to maintain, the latter is wind pressure resistance, break through the heat dissipation of traditional light -throwing lamp, adaptation limitation.