1307results about How to "Change angle" patented technology

A bendable wrench includes a handle, a head and a pivot. The handle includes a first ear formed thereon, a second ear formed thereon and a plurality of teeth formed on an internal side of the second ear. The head includes an ear and a plurality of teeth formed on an internal side of the ear thereof. The pivot is movably inserted in the ears so as to pivotally connect the head to the handle. The pivot includes a plurality of teeth that can be engaged with the teeth so as to firmly retain the angle between the head and the handle and disengage from the teeth of the head so that the angle between the head and the handle can be changed.

A multiple view display comprises a display device which displays first and second images in a spatially multiplexed fashion across the display surface. The device cooperates with a parallax optic such as a lenticular screen so as to act as a directional display sub-system directing light from the first and second images in different viewing directions. An optical system, for example comprising a lenticular screen of diverging elements, changes the angular separation of the viewing angle directions, for example so as to increase the angular separation.

The invention provides a laser radar and a working method thereof. The laser radar comprises a transmitting device, a beam splitting device, a galvanometer and a receiving device, wherein the transmitting device is used for transmitting a first laser beam to a to-be-detected object; the beam splitting device is used for splitting the first laser beam into a plurality of second laser beams, and thepropagation directions of the multiple second laser beams are different; the galvanometer comprises a first reflecting surface, the first reflecting surface is used for reflecting the second laser beams, the galvanometer is provided with a first rotary shaft and is rotated around the first rotary shaft, and an included angle between the first rotary shaft and a normal line of the first reflectingsurface is greater than zero; the receiving device is used for receiving echo beams reflected by the to-be-detected object. The laser radar has the advantage that the larger field angle can be obtained through smaller rotation angle of the galvanometer.

The invention discloses a fluttering-folding-active torsion hybrid drive bionic ornithopter. The bionic ornithopter comprises a machine body, a fluttering mechanism, torsion mechanisms, wings on the two sides and a tail wing mechanism. The machine body comprises a front fixed frame and a rear fixed frame which are connected through a fixing shaft. Fluttering transmission gears are arranged on thefront fixed frame, torsion transmission gears are arranged on the rear fixed frame, and the transmission gears are connected with flapping wing frameworks through transmission devices. When a fluttering motor is started, synchronous pulleys on an output shaft of the fluttering motor rotate, flapping wing transmission gears are driven to rotate, and fluttering folding motion of the wings is achieved. Similarly, a torsion motor is started, and torsion motion of the wings is achieved. A tail wing transmission mechanism is fixed to the tail of the machine body, and the ornithopter steers through adjustment of a tail wing steering engine. The whole ornithopter comprises the two motors, the flexibility of the ornithopter is improved, flight efficiency is improved, the bird wing motion mode is truly simulated, and various flight functions can be achieved.

An extendable USB male plug is disclosed. The extendable USB male plug comprises a button for controlling the terminal block. The terminal block is outwardly extendable by pressing and shifting the button so the length of the USB male plug is elongated. Thus, it facilitates the insertion of the USB male plug and also solves excessively deep position, crowding, and insufficient space problems of the USB female socket on the computer.

The invention discloses an augmented reality based embedded teaching model and method. The model comprises an embedded development board, a mark card, a video camera and a projector; and the method comprises the following steps of: shooting a true scene by using the video camera, and holding a reference object with a marking function by a teacher; then, overlying a virtual model relevant with teaching content on the reference object by using an augmented reality means; and carrying out corresponding operations such as amplification, contraction and addition of literal statement on the model to finish vivid and natural teaching. By using the scheme, not only can the virtual model be conveniently replaced, but also the playing time and speed of a dynamic model can be controlled, and various teaching requirements can be met. Meanwhile, the scheme can be popularized to scenes such as commodity issuance and simulated training so as to achieve wide application space and high popularization value.

The invention discloses a ceramic polished brick and a production method and a production line of the ceramic polished brick. The production line comprises a range-shaped texture forming set, a material block forming set, an atomization spraying system, a third material distributing device, a first roll pressing device, a cutting device, a gorge-shaped texture forming set, a sixth material distributing device, a second roll pressing device, a seventh material distributing device and a press device, all of which are sequentially connected through a belt. According to a preparing method, color attaching pulp is attached to a micro powder stack jointly formed by material blocks formed by a range-shaped texture material belt subjected to the action of a texture manufacturing device and tooth roller crushing, the poking operation and super-through line material filling procedures are carried out on pressed powder through two sets of different mechanical arm combinations, wherein the pressed powder is formed through material supplementing, prepressing and cutting and edge removing. The polished brick obtains the polished brick decoration texture jointly composed of the range-shaped texture, the lava-shaped texture and the gorge-shaped texture. The range-shaped texture is smooth and natural, the edge of the lava-shaped texture has color lines fine like silk yarn, the texture is infinitely close to the difference texture of natural stone, and the stone imitating effect is extremely good.

The invention discloses a self-adaptive inner wall robot for a pipeline. The self-adaptive inner wall robot for the pipeline comprises three sections, namely, a middle part which is equipped with a cylinder, and two ends which are provided with air bag moving mechanisms, wherein the cylinder is divided into an upper independent cavity and a lower independent cavity; the air bag moving mechanisms are connected to the cylinder through ball hinges and a piston rod. The self-adaptive inner wall robot for the pipeline can effectively fit the variation of the inside diameter of the pipeline and can successfully move through a corner of the pipeline; an air feeding valve and an air exhausting valve of the cylinder can be operated to control the air feeding direction and the air exhausting direction of the cylinder, thus the piston rod in the cylinder can be controlled to move upwards and downwards so as to push the upper and lower air bag moving mechanisms, and as a result, the robot for the pipeline can be driven to move in two directions; after relative assisting tools are provided, the pipeline can be comprehensively and reliably detected; the robot is flexible, stable and reliable in movement.

This invention relates to rotation angle micro-adjusting structure, which is connected to one rack and one base frame located on one base surface to connect one signal receiving device to form one satellite antenna and rotate around the first axis center for initial positioning. The micro-adjusting structure is composed of one pivoting unit and one adjusting unit, wherein, the pivoting unit forms one first axis parallel to the second axis; the adjusting unit comprises one screw bar, one fixing part relative to the bar and one mobile parts along screw bar length direction through screw bar.

The invention discloses a construction level easy to adjust. The construction level comprises a support platform, and three brackets are hinged to the lower surface of the support platform; a rotatingdisk is arranged above the support platform, and the rotating disk is connected to the support platform through a rotating mechanism; a level is arranged above the rotating disk, and a support rod ishinged to the lower surface of the level; the other end of the support rod is fixedly connected to the upper surface of the rotating disk, and the upper surface of the rotating disk is provided witha T-type sliding chute of which the interior is slidably connected to a T-type sliding block matched with the T-type sliding chute; the interior of the T-type sliding chute is rotatably connected to athreaded rod which penetrates the T-type sliding block and extends to the outer side of the T-type sliding chute, and the threaded rod is in threaded connection with the T-type sliding block; and thethreaded rod is rotatably connected to the side wall of the T-type sliding chute, and a connecting rod is hinged to the lower surface, far away from the support rod, of the level. The construction level is easy to operate, so that the horizontal angle of the construction level can be adjusted according to the requirements; and the stability during adjustment of the rotating angle is improved.

The invention discloses an unmanned plane live-line water washing device for a power transmission line. The unmanned plane live-line water washing device comprises an unmanned plane body and a control device and further comprises a washing device, wherein the washing device comprises a water tank, a water pump, a pressure adjusting device, a spray rod and a nozzle, the water tank and the water pump are mounted below the unmanned plane, the water pump is connected with the water tank, the nozzle and the water pump are connected through a soft pipe, the pressure adjusting device is arranged between the nozzle and the water pump to control an outgoing water volume of the nozzle, a supporting frame is arranged below the unmanned plane, the spray rod is supported on the supporting frame, the nozzle is supported on the spray rod, and the control device is used for controlling the water pump for operation. The unmanned plane live-line water washing device is suitable for washing insulators in various types, good universality is realized, construction is reasonable, the structure is simple, operation is convenient, and insulator porcelain skirts and surfaces can be cleaned through clean water spraying.

The invention discloses a double-axis adjustable vertical seam type fish way and an operation method thereof. The double-axis adjustable vertical seam type fish way disclosed by the invention comprises a side wall, a bottom plate, a gear track, a longitudinal gear, a plurality of pairs of baffles, a buttress, a horizontal gear, a water through hole capable of adjusting the opening degree, a fish through gallery and an operation room; the gear track is positioned on the wall surface, near one side of a pool chamber, of the side wall; the longitudinal gear is positioned on the gear track and can move along the gear track; the baffles are divided into long baffles and short baffles alternatively arranged on the side wall sequentially and spaced at a certain distance; furthermore, the long and short baffles are arranged in pair in the direction vertical to water flow; the water through hole capable of adjusting the opening degree and the fish through gallery are positioned over the baffles; the baffles are connected with the buttress through shafts and the horizontal gear; the buttress and the side wall are connected through the longitudinal gear. According to the double-axis adjustable vertical seam type fish way and the operation method thereof disclosed by the invention, the fish through gallery is separated from an energy dissipation zone; a steady flow pattern is provided for the fish through gallery, so that the fish through gallery is not influenced by the energy dissipation zone, and therefore, the problems of being bad in water flow condition at the fish through gallery and fish through effect and incapable of being applied to relatively high water head difference are solved.

The invention relates to an orthopedic exercise device, in particular to an orthopedic exercise device for a shank after fracture healing. The technical problem to be solved by the invention is to provide an orthopedic exercise device for a shank after fracture healing, which is free from danger during exercise and can eliminate heat from a body after exercise. In order to solve that technical problem, the invention provides such the orthopedic exercise device for a shank after fracture healing, which comprises a seat plate, brackets, a backup plate, a slide rail, a slide block, a spring, a connecting block, a moving rod and the like, wherein the brackets are arranged on the left side, the right side and the front side of the lower side of the lower part of the seat plate in a welding mode; the backup plate is arranged on the right side of upper part of the seat plate in a welding mode; the slide rail is arranged between the middle parts of the two brackets on the rear side in a bolt connection mode; the slide block is connected in a sliding mode with the interior of the slide rail; the spring is arranged at the left end of the slide block in a welding mode. The orthopedic exercisedevice provided by the invention achieves the effects of no danger during exercise and capability of eliminating heat from the body after exercise.

The invention discloses a head solid locator, belonging to a technical field of medical machinery which includes a bracket, the upper surface of which is provided with a pair of lead rails arranged in parallel along the horizontal direction, a head fixing device which is used for confirming a head scanning datum layer surface and leading the scanning datum layer surface to be vertical to the horizontal upper lead rails, and is arranged on the front side between the two horizontal upper lead rails, one locating device which includes a door-shaped bracket and two lower ends of two upright posts of the door-shaped bracket are provided with an articulating device which can lead the door-shaped bracket to rotate along an X-shaft direction. The lower end of the articulating device is connected with a slide block arranged on the upper lead rails. A cross beam at the upper end of the door-shaped bracket is provided with a puncturing device which can slide along the cross beam. The invention solves the defect that the head locating device in the prior art can not realize 3D rotation and moving and has the advantages of simple structure and accurate location.

The invention discloses an automatic steel rail duplex rust removing machine. The automatic steel rail duplex rust removing machine comprises a rack, engines and wheels connected to the lower portion of the rack, and is characterized in that the two engines are adopted and distributed on steel rails on the two sides respectively, the automatic steel rail duplex rust removing machine further comprises two soft shafts and two steering gears, one ends of the soft shafts are connected with rotating shafts of the engines through couplers, the other ends of the soft shafts are connected with input shafts of the steering gears, output shafts of the steering gears are connected with blade grinding wheels, the rack is fixedly connected with two connecting pieces, vertical adjusting pieces are arranged above the steering gears and elastically connected with the steering gears, connecting rods of the connecting pieces are connected with the vertical adjusting pieces, a transverse spring pull rod is connected between the vertical adjusting pieces of the steel rails on the two sides, and the rack is connected with a drive component. The kinetic energy of the engines is directly transmitted to the blade grinding wheels through the soft shafts, a duplex structure is adopted, synchronous automatic constant-speed rust removing can be carried out on pedal faces of the two steel rails at the same time, and the rust removing quality and efficiency are greatly improved.

The invention provides crushing equipment used for fish feed with a particle size adjustable function. The crushing equipment used for the fish feed with the particle size adjustable function comprises a shell body. A filter screen is fixedly connected on the inner side wall of the shell body and the filter screen is in a circular-arc shape. A first sleeve barrel is fixedly connected in the middleof the upper side of the filter screen and a plurality of second crushing teeth are uniformly arranged on the outer side wall of the first sleeve barrel. A plurality of through holes are formed in the side wall of the bottom of the first sleeve barrel and a first rotary shaft is arranged in the first sleeve barrel. The first rotary shaft is vertically arranged and passes through the upper portionof the shell body and extends upward. The top end of the first rotary shaft is fixedly connected with an output shaft of a first motor which is located at the upper side of the shell body and a spiral auger is arranged on the first rotary shaft. The crushing equipment has the beneficial effects that the first motor drives the first rotary shaft to rotate and the spiral auger on the first rotary shaft drives materials to move upward, so that the crushing retreatment can be conducted; the first rotary shaft drives a second sleeve barrel to rotate by circular plates and the crushing retreatmentcan be conducted on the materials by first crushing teeth and the second crushing teeth.

The invention discloses an automatic lifting rotating scanning device of a hydrophone. The automatic lifting rotating scanning device of the hydrophone comprises a rack, the rack is provided with a landing gear, a moving frame, a moving platform, a screw rod, a lifting table and a rotating spindle, the landing gear performs Z-direction lifting movement along the rack, the moving frame performs X-direction translational motion on the landing gear, the moving platform performs Y-direction translational motion on the moving frame, the screw rod is vertically installed on the moving platform, the lifting table is driven by the screw rod to perform lifting movement, the rotating spindle is vertically installed on the lifting table, the rotating spindle and the lifting table are rotatably matched with each other and axially fixed, and the bottom of the rotating spindle is used for suspending the hydrophone or a detected sample which is matched with the hydrophone. A driving mode of the screw rod and the rotating spindle includes that a screw rod driving step motor is mounted on the moving platform, the screw rod driving step motor drives the screw rod to rotate through a screw rod synchronous belt, a rotating sleeve and a step motor are arranged on the moving platform, the step motor drives the rotating sleeve to rotate, the step motor drives the rotating sleeve through a driving belt, and the rotating spindle penetrates the rotating sleeve and is circumferentially positioned and is in axial sliding fit with the rotating sleeve.

The invention discloses a universal auxiliary welding device for microwave antennas, and belongs to auxiliary welding devices. By the universal auxiliary welding device, problems that component parts of a microwave antenna cannot be completely fixed by the aid of an existing auxiliary welding device, and the existing auxiliary welding device is poor in universality are solved. The universal auxiliary welding device is characterized in that a support of the universal auxiliary welding device can transversely move along a base and can be fixed, a center hole and positioning holes are formed in an adjusting disc connected with the support, and the positioning holes are circumferentially and uniformly distributed; a rotary shaft penetrates the center hole of the adjusting disc and a longitudinal shaft hole of the support, and positioning dowels are arranged at two ends of a transverse positioning rod of the rotary shaft; one end of a sliding plate penetrates the rotary shaft, and pressure plate screws at the other end of the sliding plate are connected with a lower pressure plate and an upper pressure plate; a clamp plate can longitudinally move along the base and can be fixed, a longitudinal clamping opening and a horizontal transverse sliding groove are formed in the clamp plate, and a push pin is arranged in the transverse sliding groove. The universal auxiliary welding device has the advantages that the height and an angle of the universal auxiliary welding device can be adjusted conveniently, so that the universal auxiliary welding device is adaptable to dimensional and angular difference among different types of microwave antennas, various parts of components of the antennas can be completely constrained, the radiating performance is excellent in a welding procedure, and accumulated solder paste can be cleaned conveniently after welding.

The invention discloses a construction method of building waterproofing engineering. The two ends of the bottom of a material uniformizing box are fixedly connected with material guiding inclined plates, connecting frames are symmetrically and fixedly connected to the positions, located on the two sides of the material uniformizing box, of the two side parts of a bottom plate, fixing bolts are fixedly mounted at the tops of the connecting frames, and roller brushes are rotatably mounted at the bottom ends of the connecting frames. By using the material uniformizing box and the material guidinginclined plates, waterproof coating can be evenly discharged downwards, and the situation that the thickness of the waterproof coating smeared on the ground is different due to uneven falling of thewaterproof coating is avoided; by using the roller brushes, the waterproof coating is blocked and prevented from directly falling onto the ground; and the waterproof coating can be evenly smeared ontothe ground through the roller brushes, it is ensured that the waterproof coating is always kept flat, the defect that the proficiency of operators is not high is overcome, direct contact between theoperators and the waterproof coating is reduced, and the situation that the waterproof coating stains the operators and is not easy to clean is avoided.

The invention discloses a preparation method of a liquid crystal polarization grating, belongs to the technical field of non-mechanical light beam deflection in active photoelectric systems, and mainly solves the problems that a current prepared optical path of the liquid crystal polarization grating is relatively complicated, is susceptible to external interferences, and has poor flexibility. According to the preparation method of the liquid crystal polarization grating provided by the invention, a wedge-shaped liquid crystal box is used for splitting incident lasers, and the polarization state of light beams is changed by utilizing a wave plate; after two beams of light interfere, a pattern in which the polarization direction changes linearly along with position is formed in a certain region, and finally, a photosensitive coating is irradiated to induce liquid crystal molecules to be oriented to prepare the liquid crystal polarization grating. An included angle between two beams of light after splitting is changed by controlling the magnitude of the voltage applied to the two sides of the wedge-shaped box, and the preparation of liquid crystal polarization gratings with differentperiods can be realized at the same time. The preparation method of the liquid crystal polarization grating provided by the invention is simple and reliable, low in cost, convenient and flexible, andis an ideal preparation scheme for the liquid crystal polarization grating engineering application.

The invention relates to a test bench for fretting abrasion of a double-strand aluminum lead, and the test bench comprises a base plate, wherein a first lead frame and a second lead frame are arranged on the base plate in pair; a third lead frame and a fourth lead frame are arranged on the base plate in pair; a sliding slot is arranged at one sides of the third and fourth lead frames; one end of a sliding block in the sliding slot is connected to a holding device while the other end is connected to a connecting rod; and the connecting rod is connected to an eccentric block. The test bench canbe used for truly simulating the fretting abrasion between external aluminum leads of an overhead transmission line under various working conditions (such as fretting amplitude, frequency, load, leadincluded angle, wrap angle, and the like), thereby analyzing the fretting characteristics of the lead under the conditions, supplying a method for improving the fretting abrasion, reducing the abrasion between the leads and prolonging the service life of the overhead transmission line. The test bench provided by the invention plays an important role in researching the fretting abrasion between the leads.

The invention discloses feed mixing equipment based on a centrifugal stirring type. The equipment includes a shell, mounting bases are symmetrically and fixedly connected to the outer side wall of theshell, supporting columns are fixedly connected to the mounting bases, a supporting plate is fixedly connected with the top ends of the supporting columns, a bearing base is fixedly connected to themiddle of the lower side of the supporting plate, a swinging column is movably hinged to the bearing base, and a first motor is fixedly connected to the bottom end of the swinging column; a first rotating shaft is fixedly connected to an output shaft of the first motor, two stirring devices are fixedly connected to the bottom end of the first rotating shaft, each stirring device includes a horizontal rod, each horizontal rod is sleeved with a first movable block, and two first hinges are symmetrically arranged on each movable block. The equipment has the advantages that the first movable blocks on the stirring devices move away from the first rotating shaft when a centrifugal force is performed on the first movable blocks, correspondingly second movable blocks are driven to get close to each other to compress a first spring, the inclination angles of rotatable rods are changed, and the stirring range and stirring angle of each stirring rod are changed.

The invention relates to the technical field of decoration equipment, and discloses a painting device with a cleaning function. The painting device includes a bottom plate, the right side of the uppersurface of the bottom plate is provided with a paint box, and the bottom of the inner wall of the right side of the paint box is fixedly provided with a cleaning motor; an output shaft of the cleaning motor is fixedly connected with a threaded rod through a first coupling, the left end of the threaded rod and the interior of the left side of the paint box is rotatably connected, and a thread of the left end of the threaded rod is connected with a threaded pipe; and the left side of the bottom surface of the threaded pipe is fixedly connected with a piston cylinder. According to the painting device with the cleaning function, the cleaning of the paint box is more convenient, next painting cannot be affected by residual paint, and paint in the paint box can be evenly shook in case of deposition of the paint; the paint can always maintain an even condition, a bad paint effect due to uneven paint can be prevented, and the height of a painting device can be changed; and the angle of the painting device can be further changed, so that the entire device can be more convenient to paint, and the effect of painting is better.