39results about How to "Adjustable pitch angle" patented technology

The invention relates to a test-tube stand for batch inoculation in a laboratory. A strain mother tube fixing bracket and a to-be-inoculated test-tube mounting bracket are fixed on a workbench, wherein the strain mother tube fixing bracket comprises a base, an upright post and a test-tube holder, a horizontal straight sliding chute is fixed longitudinally along the workbench and a straight sliding rail is placed in the straight sliding chute, the feed of the straight sliding rail is driven by the rotation of a rotary knob, a C-shaped rubber clamp for locking a to-be-inoculated test-tube is fixed on the straight sliding rail, a metal bellows for gripping test-tube plugs is fixed at one side of a vertical plate, a plurality of air outlets, which are distributed in a circular ring shape, are formed in the workbench, a hot wind bin, a heating bin and an air duct are located at the lower side of the workbench, a pinhole running from top to bottom is formed in the workbench and a needle body of an inoculating needle penetrates through the pinhole and is just located at a heating core area of a heating device. According to the test-tube stand disclosed by the invention, the test-tubes can be fixed in the test tube stand in batches and a plurality of test-tubes can be inoculated in a batch, and therefore, the efficiency is greatly improved.

The invention is suitable for the technical field of calibration, and provides a calibration method and device for a vehicle-mounted camera and terminal equipment, and the method comprises the steps of obtaining a first height, perpendicular to the ground, of a target camera; determining a second height of a target point on the ground mapped on the reference object according to the first height, and obtaining a target range position according to the second height and a preset up-down floating range value; calculating a first ordinate of the target point in the image coordinate system according to a preset standard pitch angle of the target camera; drawing a reference line in a picture detected by the camera according to the first ordinate; adjusting the pitching angle of the target camera until the reference line is in the target range position; determining a third height of the reference line mapped in the reference object; and determining a target pitching angle of the target camera according to the third height and the first ordinate, so that the angle value can be efficiently calibrated, the requirement for the precision of a fine adjustment element of the vehicle-mounted camera can be lowered, and the calibration precision of the pitch angle of the camera is improved.

The invention relates to the field of lighting, in particular to a variable focal length cloud desk lamp lighting device. The variable focal length cloud desk lamp comprises a light housing, a light source control circuit, a focal length varying device, heat dissipation equipment and a double-axis cloud. The variable focal length cloud desk lamp realizes a variable focal length structure with an adjustable beam angle by changing a distance between an LED light source and a lens; the complicated structure of the variable focal length structure is simplified; the focal length is adjusted by adopting a stepping motor, so that the focal length is varied more accurately; a duct type integral structure is adopted, a light-weight aluminum alloy LED lamp bead support is arranged inside the duct type integral structure, so that the heat dissipation property of the integral structure is greatly improved; the variable focal length cloud desk lamp lighting device intelligently follows the rotation, namely light moves with the movement of a cloud camera, so as to capture clearer night environment information; by remote wireless control, the levelness and the pitching angle of the equipment canbe adjusted.

The invention relates to a portable X-ray irradiation device for field calibration, which comprises a moving trolley and an X-ray irradiation device arranged on the moving trolley, and is characterized in that the X-ray irradiation device comprises a shielding box, an X-ray tube arranged in the shielding box, and a three-stage tungsten alloy collimation diaphragm which is arranged on the shieldingbox and corresponds to the X-ray tube, a filter bracket is arranged on one side of the third-stage tungsten alloy collimation diaphragm, a filter plate is arranged on the filter bracket, X-rays generated by the X-ray tube pass through the third-stage tungsten alloy collimation diaphragm and the filter plate and then are emitted out, a translation table assembly is installed between the bottom ofthe shielding box and the top of the moving trolley, a lifting table assembly is installed at the bottom of the translation table assembly, and an angle table is installed on the translation table assembly and installed at the bottom of the shielding box. Compared with an isotope radioactive source used by a portable gamma-ray irradiation device, the X-ray tube adopted by the portable X-ray irradiation device is safer and more convenient in the transportation process, and ionizing radiation is avoided after power failure.

The invention discloses a movable system control panel for a numerically controlled machine tool, which comprises a bed, a bed saddle, a fuselage cover, a control panel, a frame, a pitch adjustment device, a damping device, a first slider, a second slider, an installation block and elastic limit device; without external force, the limit block is located between the two teeth on the rack plate, and the control panel cannot be moved easily, so the operator can move the control panel to a suitable position. It can have a certain anti-slip ability, which is convenient for the operator to operate the control panel. Due to the different heights of the operators, the pitch angle of the control panel can be adjusted, and the control panel can be easily rotated to the left and right, which is further convenient to use. Therefore, the present invention can improve the problem that the traditional machine tool control panel cannot be moved flexibly, greatly facilitates the different operation requirements of operators, and further improves work efficiency.

The invention discloses an intelligent transportation road condition information acquisition device, belongs to the technical field of intelligent transportation, and aims at providing an intelligent transportation road condition information acquisition device which can both swing along the road surface and adjust the pitching angle. According to the technical scheme, the intelligent transportation road condition information acquisition device comprises an installing support and a rule violation camera; the installing support comprises a base installed on a cross rod and a gear rack installed at the bottom of the rule violation camera; a support rod is hinged to the front end of the base, and the free end of the support rod is provided with a connecting ball joint which is connected with a ball joint of the rule violation camera; the back end of the base is connected with a swinging drive motor through an installing seat, a folding type installing seat is adopted as the installing seat, the tail end of an output shaft of the swinging drive motor is connected with a drive gear, and the drive gear is meshed with the gear rack. The road condition information acquisition device is suitable for intelligent transportation.

The invention belongs to the technical field of geometric measurement device calibrating devices, and relates to a laser range finder calibration, in particular to a multi-degree-of-freedom adjustingpan-tilt for handheld laser range finder calibration. The pan-tilt comprises a fixing table, a clamping device is installed at one end of the fixing table, the clamping device is used for being fixedto one end of a calibrating table, a manual angular displacement table is installed inside the fixing table, a manual rotating table is fixedly installed above the manual angular displacement table, afixing base is installed above the manual rotating table, the fixing base is used for containing a handheld laser range finder to be calibrated, and under the state of containing the handheld laser range finder, the laser emitting direction of the handheld laser range finder and the extending direction of a calibration table extend in parallel; the fixing base comprises a base plate, the upper end face of the base plate is arranged flatly, and the side, close to the calibration table and the side, back onto the calibration table, of the base plate are each vertically provided with a datum plate.

The invention provides a numerical control disc type flexible conical part roll bending forming machine. The numerical control disc type flexible conical part roll bending forming machine comprises abearing part, a transmission part and a roll bending part, the bearing part comprises a rack, a workbench and a set of lifting cylinders, the workbench and the transmission part are fixedly installedon the rack, the transmission part drives the workbench to rotate horizontally, the roll bending part comprises a machine box and a conical roller, the conical roller is placed above the workbench, arotating shaft is fixedly arranged on the tail end of the conical roller, the conical roller is arranged on the outer part of the machine box, the machine box is installed on the lifting cylinders, aconnecting rod adjusting part and a rotary driving part are installed in the machine box, the connecting rod adjusting part is connected with the rotating shaft and used for adjusting the pitch angleof the conical roller, and the rotary driving part is connected with the rotating shaft. According to the numerical control disc type flexible conical part roll bending forming machine, the size of aroll gap can be adjusted on line through an internal hydraulic mechanism and a connecting rod sliding block system, compared with traditional equipment, the operation is easy, no extra mechanism needsto be added, production investment is reduced, and the production capacity of manufacturers is improved.

The invention discloses an intelligent image acquisition system for traffic violation information collection and belongs to an image acquisition system in the technical field of intelligent traffic. The intelligent image acquisition system for traffic violation information collection is convenient and fast to install and detach. According to the technical scheme, the intelligent image acquisition system for traffic violation information collection comprises an installing frame installed on a cross rod; a camera is installed above the installing frame through a lifting type base; the installing frame comprises a U-shaped connection piece; the outer surface of an arc segment of the U-shaped connection piece is connected with the camera; the cross rod is located in an inner U-shaped groove of the U-shaped connection piece; the U-shaped connection piece is included; the bottom of the connection end of the U-shaped connection piece is connected with a connection inclined block; the included angle between the bevel of the connection inclined block and the center line of the connection inclined block is 45 degrees; a connection seal plate is connected to the bevel of the connection inclined block through a ball head; and the bottom of the locking end of the connection seal plate and the bottom of the locking end of the U-shaped connection piece are connected through a locking part.

The invention discloses a firearm mounting structure of an unmanned aerial vehicle, which comprises a pitching mechanism connected with external required equipment; a front sliding sleeve which is connected to the front part of the lower end of the pitching mechanism; and a rear sliding sleeve which is connected to the rear portion of the lower end of the pitching mechanism and used in cooperation with the front sliding sleeve to achieve firearm installation. The front sliding sleeve and the rear sliding sleeve are connected with the firearm in a buckling mode. The firearm mounting structure is reasonable in design and ingenious in structure, the pitch angle of the firearm is adjusted through the ball screw mechanism, the firearm mounting structure is simplified, the weight is reduced, and the cost is saved.

The invention discloses an intelligent traffic condition information acquisition system with a height-adjustable cross rod and belongs to road condition information acquisition systems in the technical field of intelligent traffic. Cross rod height adjustment efficiency is improved. The system comprises a base, an upright column and the cross rod. The upright column and the cross rod are connected through a fixed installation frame, the cross rod is provided with an installation support, and a regulation breaking camera is installed on the installation support. The installation support comprises a base and a rack, a supporting rod is hinged to the front end of the base, a connection ball is arranged at the free end of the supporting rod, and the connection ball is connected with a regulation breaking camera ball. A swing driving motor is connected to the rear end of the base, a driving gear is connected to the tail end of an output shaft of the swing driving motor, and the driving gear is meshed with the rack. The system is suitable for serving as a road condition information acquisition system in the technical field of intelligent traffic.

The invention discloses an intelligent front-adjusting camera capable of monitoring the real-time traffic road conditions based on cam limiting, aims at providing the intelligent front-adjusting camera capable of monitoring the real-time traffic road conditions based on cam limiting, and the front-adjusting camera is good in supporting stability. The camera comprises an illegal camera and a mounting bracket, wherein the mounting bracket comprises a base, a rack and a hinge assembly; the rear end of the base is connected with the illegal camera through the mounting base; the hinge assembly comprises a supporting assembly, an upper supporting rod and a hinge seat; the supporting assembly comprises fluted discs, a left anti-rotating rod and a right anti-rotating rod; the fluted discs comprisea large fluted disc and a small fluted disc, and teeth are arranged on the outer edge of the large fluted disc and the outer edge of the small fluted disc; a rotating disc is arranged on the inner wall of a lower cavity of the hinge seat, and the rotating disc is provided with a groove with an oval track; the end part of the left anti-rotating rod is a bent part, the end part of the right anti-rotating rod is a bent part, a left connecting rod is hinged to the middle of the left anti-rotating rod, and a right connecting rod is hinged to the middle of the right anti-rotating rod; and the otherend of the left connecting rod and the other end of the right connecting rod are hinged through a pin shaft, and one end of the pin shaft is located in the groove.

The invention belongs to the technical field of underwater vehicle tests, and discloses a release control device for an emergency floating test of an underwater vehicle model. The device comprises a model attitude control unit, a model release unit, a release trigger unit, a test model and an underwater trailer; the model attitude control unit comprises two groups of model attitude control subunits, which are respectively fixed at the front end and the rear end of the underwater trailer along the course, and the upper ends of the two groups of model attitude control subunits are connected withthe test model for adjusting the attitude of the test model; the model release unit is arranged in the middle of the underwater trailer, is connected with the test model and is used for locking and releasing the test model; the release trigger unit is fixed in the middle of the underwater trailer, is connected with the model release unit and is used for triggering the model release unit to work to release the test model; the underwater trailer is used for bearing the test model to move along the course. According to the invention, a plurality of underwater tests can be carried out, and sufficient technical support is provided for underwater vehicle maneuverability research.

The invention discloses a swing type intelligent traffic road condition information acquisition apparatus, which belongs to an intelligent traffic road condition information acquisition apparatus in the technical field of intelligent traffic. The invention is aimed at providing the swing type intelligent traffic road condition information acquisition apparatus that can swing along a pavement and can be adjusted in terms of pitching angle. The technical scheme is that the apparatus includes an installing support arranged on a cross bar and a violation recording camera arranged on the installing support; the installing support includes a pedestal disposed on the cross bar and a tooth bar disposed below the violation recording camera; a supporting rod is hinged to the front end of the pedestal, a free end of the supporting rod is provided with a connecting ball, and the connecting ball is connected to a lens of the violation recording camera; and a swing drive motor is connected on the rear end of the pedestal through an installing stand, the end of an output shaft of the swing drive motor is connected to a drive gear, and the drive gear is engaged with the tooth bar. The invention is applicable to a road condition information acquisition apparatus for intelligent traffic.

The invention discloses an automatic tracking antenna feed servo-system of an unmanned aerial vehicle. The system comprises a base. A servo turntable is mounted on the base. An antenna assembly is arranged on the servo turntable. One side or two sides of the servo turntable are provided with high-definition cameras. The high-definition cameras are used for capturing the image of a target unmannedaerial vehicle. The top of the servo turntable is provided with an electronic compass. The base is also provided with a signal input interface, a signal output interface, a control interface and a power supply interface. The signal input interface and the signal output interface are connected with the antenna assembly. The control interface is connected with the servo turntable, the antenna assembly, the high-definition cameras and the electronic compass, and furthermore the control interface is connected with a control unit. The automatic tracking antenna feed servo-system satisfies a requirement of wideband coverage. The automatic tracking antenna feed servo-system has advantages of small size of the whole system, small weight, effective facilitation of mounting and use, simple structure, high convenience in use, simple servo control, easy operation, high stability, and automatic tracking and adjustment.

The invention discloses a post-adjustment type rotary intelligent traffic road condition collection terminal, and aims to provide a post-adjustment type rotary intelligent traffic road condition collection terminal with better support stability. The camera includes an illegal camera and an installation bracket, and the installation bracket includes a base and a rack; the front and rear ends of the base are respectively connected with the illegal camera; the installation seat includes a support assembly, an upper support rod, and a lower support rod, and the support assembly includes a toothed plate and a left anti-rotation rod and the right anti-rotation rod. The toothed plate includes a large toothed plate and a small toothed plate. The outer edges of the large toothed plate and the small toothed plate are provided with teeth. The lower support rod is provided with a lead screw, and one end of the lead screw is provided with a knob. The other end of the rod extends into the lower chamber of the lower support rod, and the lead screw is also sleeved with a slider; the end of the left anti-rotation rod and the end of the right anti-rotation rod are all curved parts, and the middle of the left anti-rotation rod The left connecting rod is hinged, the middle part of the right anti-rotation rod is hinged with a right connecting rod, and the other end of the left connecting rod and the other end of the right connecting rod are hinged to the sliding block through a pin shaft.

The invention discloses a combination mounting frame for a window sill lamp, which comprises a cylinder body (1) and a telescopic rod (2). One end of the cylinder body (1) is fixed on the wall, and a locking screw ( 3), the sharp part of the locking screw (3) is pressed against the telescopic rod (2), and the other end of the telescopic rod (2) is provided with a through hole and a bracket (4) sequentially from left to right, and the bracket ( 4) Located below the telescopic rod (2), the mounting plate (5) is hinged on the bracket (4) through the pin shaft, the bottom of the mounting plate (5) is provided with a radiator (6), and the bottom of the radiator (6) is provided with The lampshade (7), the bottom of the lampshade (7) is provided with a lamp holder (8), and a window sill lamp (9) is installed in the lamp holder (8). The beneficial effects of the invention are: compact structure, good heat dissipation effect, adjustable pitch angle to illuminate all dining tables, satisfying guests' dining requirements, low manufacturing cost, and convenient recycling after use.