41results about How to "Precise angle adjustment" patented technology

The invention relates to an intelligent door lock charging control method and device, computer equipment and a storage medium, and the method comprises the steps: monitoring the electric quantity of a door lock in real time, and triggering a charging request signal under the condition that the electric quantity of the door lock is lower than a preset low electric quantity threshold value; according to the charging request signal, door lock orientation information and alignment angle information are obtained, a light source emission angle is adjusted according to the door lock orientation information and the alignment angle information, and a charging instruction is generated; adjusting light source emission intensity and starting light source emission according to the charging instruction; and under the condition that the electric quantity of the door lock reaches a preset high electric quantity threshold value, the charging process is stopped, and corresponding charging information is recorded. The method has the effect of improving the charging efficiency of the intelligent door lock.

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.

The utility model belongs to the technical field of clamping structures, and particularly relates to a clamping structure for laser cutting, which comprises two groups of clamping pieces, a fixed base, an adjusting base, an arc-shaped scale bar, an indicating rod and a locking piece, the adjusting base is rotatably connected with the fixed base, and the two groups of clamping pieces are arranged on the adjusting base; the arc-shaped scale bar is arranged on the fixed base, and scales are marked on the arc-shaped scale bar; the indicating rod is arranged on the adjusting base and can be matched with the arc-shaped scale strip for reading; the locking piece is used for locking the adjusting base and the fixed base when the adjusting base rotates to a proper angle; compared with the prior art, after a workpiece is clamped by the clamping structure, the horizontal angle of the workpiece can be adjusted, so that the workpiece is obliquely cut.

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 invention relates to the technical field of solar power generation, in particular to a solar panel adjusting device for solar power generation, which comprises a fixed seat and a solar panel, and is characterized in that a first driving assembly is fixedly connected in the fixed seat, and a rotating assembly is fixedly connected to the top of the first driving assembly; the top of the rotating assembly is fixedly connected with a driving hemisphere, the driving hemisphere is internally and fixedly connected with a second driving assembly, one end of the rotating assembly extends out of the driving hemisphere and is fixedly connected with the solar panel, and the rotating assembly and the rotating assembly jointly realize circumferential rotation and arc rotation of the solar panel on the fixed seat; air bag assemblies located on the two sides of the rotating assembly are symmetrically arranged in the driving hemisphere, and the ends, away from the rotating assembly, of the air bag assemblies extend to the top of the solar panel. The solar panel receives solar energy in all directions through the synergistic effect of the rotating assembly and the rotating assembly, and the rotating assembly extrudes the air bag assembly when rotating, so that the air bag assembly exhausts air to clean sheltering objects on the solar panel.

The utility model discloses a wood mortise grooving machine. According to the technical scheme, the grooving machine comprises a machine frame, a fixing mechanism and a grooving mechanism, the fixing mechanism and the grooving mechanism are arranged on the machine frame, the grooving mechanism is arranged above the fixing mechanism, and the fixing mechanism comprises a fixing plate fixedly arranged on the machine frame; the fixing hole is formed in the fixing plate; an outer ring of the fixed bearing is fixedly connected with the fixed hole; the fixed rod is fixedly connected with an inner ring of the fixed bearing; the angle adjusting motor is fixed to the machine frame and located between the fixing plate and the machine frame, and the angle adjusting motor is connected with the outer side of the fixing rod through a reduction gear. When multiple side faces of wood are grooved, the wood does not need to be taken and placed repeatedly, carrying is reduced, the labor intensity is lowered, and the working efficiency is improved; the position of the fixing rod is stable, timber is supported, the supporting performance is good, the angle adjusting motor drives the fixing rod to rotate through the reduction gear, angle adjustment is accurate, and the precision is high.

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool convenient for multi-degree-of-freedom machining, which comprises a working table, a position adjusting mechanism arranged at the top of the working table, an angle adjusting mechanism arranged at the top of the working table, table legs fixedly mounted at the bottom of the working table, and a control unit arranged at the top of the working table, the position adjusting mechanism comprises a rotating assembly and a moving assembly, and the moving assembly is arranged on the top of the rotating assembly. A clamping plate moves to clamp a workpiece, the workpiece is prevented from moving in the grinding process, then the grinding precision is improved, a rotating frame is made to rotate, the clamped workpiece is driven to rotate, the clamped workpiece is made to rotate, the grinding device can conduct grinding operation on different positions of the workpiece, the applicability of the device is improved, and the practicability of the device is improved. And the grinding device is rotated, so that the grinding angle of the workpiece is adjusted, the angle adjustment of the grinding device is more accurate, and the grinding error is reduced.

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 invention discloses optical glass light transmission performance detection equipment, and relates to the technical field of light transmission performance detection.The optical glass light transmission performance detection equipment comprises a base, the top surface of the base is fixedly connected with a partition plate, the top surface of the partition plate is fixedly connected with a light source, and the top surface of the base is fixedly connected with a receiving plate; an auxiliary detection mechanism used for adjusting the angle of optical glass is arranged on the top face of the base, an auxiliary clamping mechanism used for clamping the optical glass is arranged on the top face of the base, the auxiliary detection mechanism can control the deflection angle of the optical glass, and the worm transmission mechanism has high transmission precision and can achieve fine adjustment. The angle of the optical glass can be adjusted more accurately, the auxiliary clamping mechanism can evenly clamp the optical glass in a self-adaptive mode, even clamping can ensure that the optical glass keeps stable position and posture in the detection process, measurement errors caused by shaking or deformation of the glass are reduced, and the detection accuracy is improved. Therefore, more accurate light transmission performance data can be obtained, and the reliability of a detection result 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.

The invention provides a drill jumbo and relates to the field of rock drilling, the drill jumbo comprises a jumbo body, a boom mechanism and a rock drill mounted at the tail end of the boom mechanism, a first boom and a second boom can swing up and down, and the boom mechanism comprises the first boom, the second boom and an adjusting device; the adjusting device comprises a connecting frame, a first rotary self-locking assembly and a second rotary self-locking assembly, one end of the connecting frame is connected with the first arm frame through the first rotary self-locking assembly, and the other end of the connecting frame is connected with the second arm frame through the second rotary self-locking assembly. And the second arm frame can be independently swung and adjusted twice in the horizontal direction. The second arm frame can flexibly swing under different horizontal degrees of freedom, the flexibility of the arm frame mechanism in a complex construction environment is remarkably improved, the first arm frame and the second arm frame can be adjusted in the vertical direction, the operation range of the arm frame mechanism is greatly enlarged, and the rock drill can better meet the operation requirements of different angles.

The utility model relates to material taking and righting equipment which comprises an installation disc, a material taking device and a righting device, the material taking device and the righting device are arranged on the installation disc, the material taking device is used for grabbing materials or placing the materials on the installation disc, and the righting device is used for adjusting the angle of the materials on the installation disc. The centralizing device comprises an air cylinder, a centralizing block and a fixing plate, the fixing plate is fixedly arranged on the mounting disc, the air cylinder is fixedly arranged on the fixing plate, and the centralizing block is arranged at the power end of the air cylinder. When the material angle needs to be adjusted, the air cylinder drives the centralizing block to move so as to push the material to be subjected to angle adjustment. By means of the design, the angle adjusting process of materials is rapid and accurate, and the efficiency of a production line is improved.

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 invention relates to the technical field of analytical instruments, in particular to a machine-made sand morphological characteristic analytical instrument which comprises a control case, a control connecting line, a height adjusting mechanism, a scanning motion mechanism, an optical measuring mechanism and an objective table, one end of the control connecting line is connected with the control case, and the other end of the control connecting line is connected with the objective table. The height adjusting mechanism is connected with the other end of the control connecting line, a height adjusting motor drives a height adjusting sliding block and a height adjusting clamping block to slide up and down through a height adjusting screw rod, height adjustment in the vertical direction is ensured, and a scanning lifting block can vertically move through movement of the height adjusting sliding block. The accuracy of the focusing height influences the definition and accuracy of each layer in the imaging process, the vertical movement of the optical moving block is controlled by the scanning lifting block, the height adjustment of the linear laser lens group and the imaging lens is directly influenced, and the accurate focusing position of the lens is ensured through the movement in the vertical direction.

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 aims to provide an auxiliary support for measuring a house in a house building site, which comprises a base and a shaft lever, a plurality of supports are arranged on the shaft lever, a slot is arranged in the shaft lever, a supporting rod is arranged on the supports, a measuring instrument is arranged at the top of the base, a supporting rod is arranged in the center of the bottom of the base and movably arranged in the slot, and the supporting rod is connected with the base. A screw rod is rotatably installed in the shaft rod through a bearing, a screw hole is formed in the supporting rod, the screw rod is movably connected with the screw hole, an adjusting assembly is further arranged on the base and comprises a second rotary knob, a worm and a worm wheel, and through the arrangement of the adjusting assembly, when the device is used, the second rotary knob is rotated to drive the worm to rotate, and the worm drives the worm wheel meshed with the worm to rotate; therefore, the measuring instrument on the base is driven to rotate, the measuring angle of the measuring instrument is adjusted, the base does not need to be moved, operation is more convenient, and a worker can conduct measurement in different directions conveniently.

The invention relates to the technical field of solar cell panel automatic tracking systems, in particular to a shadow difference-based solar cell panel automatic tracking system, which comprises a solar cell panel, a bead, a bracket, an adjustment module, a detection module, a control module, an adjustment information judgment module and a communication module, the convex edge is vertically connected to the surface of the solar cell panel and located at the center position, and the convex edge divides the solar cell panel into a left side and a right side which are equally divided; the adjusting module is connected between the solar cell panel and the bracket and is used for adjusting the angle of the solar cell panel; the detection module is used for detecting and obtaining electric quantity information of the solar cell panel; the control module obtains the electric quantity difference between the left and right sides of the solar panel; the adjustment information determination module obtains information about whether the angle of the solar cell panel needs to be adjusted. According to the method, the angle of the sunlight is judged by utilizing the shadow difference, the dependence on a photoelectric sensor is reduced, and the accuracy of the system is improved.

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 invention discloses a paddle-type angle lock and a display screen. The paddle-type angle lock comprises: a base; a rotating shaft, which is rotatably connected to the base; a quick lock, which comprises a plurality of lock plates distributed around the rotating shaft, a lock hole being provided on the lock plate, and the distances between each lock plate and the rotating shaft are not equal; an angle block, which is sleeved with the quick lock, and each side of the angle block has a through hole corresponding to the lock hole; an angle toggle assembly, which is sleeved on the rotating shaft and used to drive the rotating shaft to rotate, and the rotating shaft drives the quick lock and the angle block to rotate relative to the base; a locking piece paddle, which is used to drive the quick lock to slide along the axial direction of the rotating shaft relative to the angle block; when the lock rod matched with the paddle-type angle lock passes through the lock hole and the through hole, the lock piece paddle is toggled to lock or unlock the lock head of the lock rod. The paddle-type angle lock has a novel and simple structure, can achieve more accurate angle adjustment, and is convenient for users to use.