195results about How to "Achieve translation" patented technology

The traditional medical image display mode is difficult to realize the combination of digital display and non-contact interaction. The invention discloses a somatosensory image browser composed of a somatosensory video camera, an image browse software system, a personal computer and a display device. The image browse software system is configured in the personal computer, and comprises a depth data processing system and a medical image display system. The somatosensory video camera obtains the depth information and executes data communication with the personal computer, the depth data processing system analyzes the data to realize the somatosensory interaction, and the medical image display system is used for displaying digital images and processing the images. The somatosensory image browser can execute image processing operations of scaling, rotation, translation, changing display quantity, changing window width and window level, and the like, on the displayed medical images via gestures. The browse device can be used for solving the problem of combination of medical image digital display and non-contact interaction, and is very suitable for being used in occasions with high requirements on sanitary conditions, such as an operating room and the like.

The invention discloses a system for real-time language translation service. The system is used for serving supply and requisitioning parties needing language translation and comprises a service module, a communication module and client modules, wherein the service module is used for crowdsourcing human translation and performing user management; the communication module is used for instantly transmitting information among the client modules in an instant messaging and / or P2P (Peer-to-Peer) mode; the client modules are used for accessing a crowdsourcing management module; the client modules are used for inputting and outputting translation requests and translation results and providing user interaction and self services; the communication module is respectively connected with the service module and the client module. The invention also discloses a method for the real-time service of the language translation. On the one hand, the invention provides a language translation tool with the advantages of good accuracy, real time, good convenience and flexibility as well as low price for the public; on the other hand, the invention provides a platform by which personal translation competence for language is fully exerted to help others and corresponding rewards or remuneration is got for the public. According to the system and the method disclosed by the invention, professional needs and daily needs of the public can be met.

The invention provides a service charging method which comprises the following steps: formulating rule metadata of service charging; using the rule metadata for generating a service charging rule meeting a business demand according to a preset rule model; establishing a correlation of user information and the corresponding service charging rule according to service selected by a user; and matching a corresponding service charging rule to generate charging information according to the service request data of the user, On the basis that a charging flow and the charging rule are separated, the service charging method can improve the customizability of the charging rule and meet complicated service charging demands.

The invention discloses a plate clamper platform for a falling weight impact test, and an impact speed measurement method. The plate clamper platform comprises a clamper structure, a supporting lifting structure and a laser sensor, wherein the clamper structure comprises a plate clamping device, a multi-angle rotation device and a clamper bottom plate, the multi-angle rotation device comprises wall plates, wall plate bolts and a bottom plate bolt, each wall plate is provided with a central hole and two arc-shaped grooves, the two arc-shaped grooves are symmetrically arranged relative to the central hole, clamping plates can rotate along the arc-shaped grooves after the wall plate bolts are completely loosened, the supporting lifting structure comprises a platform and a lifting driving device, the clamper bottom plate can rotate by adopting the bottom plate bolt as the center and can slidably move along a straight strip hole, and the laser sensor is arranged below the weight tray positioned on the periphery of a hammer head. With the plate clamper platform and the impact speed measurement method of the present invention, the composite material plate specimen can be tightly clamped, the multi-angle impact on the specimen can be achieved, and the speed change during the drop hammer falling and impact process can be real-timely measured.

The invention provides a series-parallel robot with five degrees of freedom. The series-parallel robot comprises a power-driven system, a positioning system and an orientation system, wherein the power-driven system is arranged on the top end of the positioning system, the orientation system comprises a supporting mechanism and a power steering mechanism, the supporting mechanism comprises three groups of inverting sub-mechanisms, the three groups of inverting sub-mechanisms are linearly and symmetrically distributed between a fixed platform and a movable platform, the rotation torque of the power-driven system is transmitted to the power steering mechanism by virtue of the three groups of inverting sub-mechanisms, the power steering mechanism comprises a rotating mechanism and a swinging mechanism, and the rotation torque transmitted by the supporting mechanism is converted into the rotation of the orientation system around a Z axis and swinging of the orientation system by virtue of the rotating mechanism and the swinging mechanism. The degree of freedom of the robot is added to five degrees of freedom by virtue of a series-parallel mode, so that the translational motion of the three coordinate axes and the rotation around the Z axis can be realized; the swinging of an operation tail end can be applied to the high-rigidity high-precision or high-load field without need of great working space.

The invention discloses an attachment oil high-position shelf stacking working platform which comprises a lifting mechanism, an indexing mechanism and a horizontal motion mechanism. The lifting mechanism comprises a rack and a lifting table. A lifting motor is arranged on the rack. The lifting motor is connected with the lifting table through a lead screw and nut mechanism. The indexing mechanism comprises a rotating table rotationally supported on the lifting table. A rotation motor is arranged on the lifting table. The rotation motor is connected with the rotating table through a worm and gear mechanism. The horizontal motion mechanism comprises a movable platform fixed to the portion above the rotating table. A horizontal motion motor is arranged on the movable platform. The horizontal motion motor is connected with a tray through a lead screw and nut mechanism. According to the attachment oil high-position shelf stacking working platform, the position of the tray can be adjusted according to the position where attachment oil needs to be loaded or unloaded, the attachment oil is loaded, unloaded, removed off shelves to be carried and loaded on the shelves to be stacked through the working platform, the automation degree is high, the labor intensity is lowered, and potential safety hazards are eliminated.

The invention discloses a sign language processing method by a mobile terminal, which comprises a process of capturing actions of the sign language and converting the actions into voice, and the process comprises the following steps that: A1, the mobile terminal captures images of the actions of the sign language; B1, the mobile terminal converts the images of the actions of the sign language into voice messages corresponding to the actions of the sign language; and C1, the mobile terminal sends the voice messages after conversion to a called terminal through a mobile network. The invention discloses a sign language processing mobile terminal. The method and the mobile terminal realize the translation from the sign language to the voice by capturing the images of the actions of the sign language and converting the images into the corresponding voice messages, and send the voice messages to the called terminal by establishing communication through the mobile terminal, so that the deaf mute or people with language barrier can also use the mobile terminal to communicate with other people.

The invention discloses a multiband wireless terminal antenna, mainly solving the problems that the antenna in the prior art can not meet the requirements of people for miniaturization, high accuracy and convenience in use. The multiband wireless terminal antenna comprises a shell, a printed board and a printed board metal floor and also comprises a high-frequency resonance metal strip group, a low-frequency resonance metal strip group, a microstrip feeder and a stop band, wherein the printed board is arranged in the shell; the printed board metal floor is arranged on one surface of the printed board; the high-frequency resonance metal strip group is arranged on the other surface of the printed board; the low-frequency resonance metal strip group corresponds to the high-frequency resonance metal strip group; the microstrip feeder is connected with the end part of the high-frequency resonance metal strip group; the stop band is connected between the high-frequency resonance metal strip group and the microstrip feeder; and a coupling gap is arranged between the high-frequency resonance metal strip group and the low-frequency resonance metal strip group. By the scheme, the multiband wireless terminal antenna has the advantages that the purposes of small volume, high accuracy and convenience in use are achieved and the practical and promotional values are high.

The invention discloses a double ducted-propeller electric manned aircraft capable of taking off and landing vertically, and belongs to the field of aviation products. The aircraft comprises an aircraft chamber, double ducted-propeller power systems and a control platform, wherein lateral wings with vertical planes are fixedly and integrally arranged on two sides of the aircraft chamber; the ducted-propeller power systems are arranged at the front end and the rear end of the aircraft chamber and are connected with the lateral wings respectively; a self-balancing mechanism is arranged on the lateral wing on one side; a duct rotating mechanism is arranged on the lateral wing on the other side; the self-balancing mechanism and the duct rotating mechanism are both connected with the ducted-propeller power systems; and the control platform and a battery pack are arranged in the aircraft chamber. The invention further provides a realization method for the aircraft, which adopts the rotation of propellers to generate pushing force, realizes left and right automatic balancing as well as forward and backward rotation of ducts by matching the self-balancing mechanism and the duct rotating mechanism, realizes the vertical taking off, landing and advancing of the aircraft by combining the wing-type streamline design of the aircraft chamber, makes full use of the efficiency of a motor, saves energy and is safer.

The invention provides a multi-dimensional force sensor calibration device with controllable poses. The multi-dimensional force sensor calibration device comprises a fixing platform, drive mechanisms, connecting rod mechanisms and a moving platform. The upper ends of the drive mechanisms and the lower ends of the connecting rod mechanisms are connected to form drive connecting rod mechanisms. The upper ends of the six drive connecting rod mechanisms are hinged to the moving platform through universal hinges, and the lower ends of the six drive connecting rod mechanisms are hinged to a fixed platform to form a six-freedom-degree parallel mechanism. The six drive connecting rod mechanisms are divided into three groups. Every two adjacent drive connecting rod mechanisms form one group and are arranged in the mode shaped like a Chinese character 'ba'. The poses of a calibration platform can be controlled and changed, and the calibration device has the function of calibrating a sensor dynamically and statically, and is complete in function, convenient to operate, high in calibration precision and capable of being well applied to practical engineering.

The invention discloses a method for eliminating a left-turn phase of an intersection by borrowing an opposite exit lane, and belongs to the technical field of traffic engineering. The problem that anexisting plane intersection traffic organization and signal control cannot achieve intersection space-time resource sharing by left-turn vehicles and opposite going-straight vehicles is solved. The method comprises the following steps of setting a left-turn vehicle lane changing zone on two intersecting roads, in a straight line phase operation period in a road direction, enabling vehicles aboutto turning left in the other road direction to change lanes in the left-turn vehicle lane changing zone to enter into the opposite exit lane, when the other road is running in a straight line phase, vehicles about to turning left on the road turning left, and the going-straight vehicles deviating two lanes in the left and driving out of the intersection, so as to avoid the simultaneous passing ofthe opposite left-turning vehicles; the going-straight vehicles after entering the exit lane shifting rightwards by one lane in the left-turn vehicle lane changing zone and going straight continuously. The method is used for eliminating the left turn phase of an intersection.

A traffic accident site rapid mapping system based on image guiding comprises a homography matrix solution module, a space coordinate transformation module, a re-sampling module, a mapping and marking module and a file preserving and printing module. The homography matrix solution module builds a mapping relationship between a traffic accident site picture image plane and an actual road plane according to the two-dimensional direct linear transformation method, the space coordinate transformation module restores the position information of a traffic site picture in object space according to the homography matrix and scales the range of the traffic accident site to the size range of the original traffic accident site picture, the re-sampling module restores gray information of the traffic accident site picture in object space and achieves transformation from a perspective picture to an orthographic projection picture of the traffic accident site picture, the mapping and marking module achieves direct mapping and relevant size marking of the traffic accident site information on the orthographic projection picture, and the file preserving and printing module achieves functions of preservation and site printout of the traffic accident site picture. By means of the traffic accident site rapid mapping system, the accuracy of traffic accident site survey is improved, the on-site data processing and mapping time is saved, and the requirement of site picture printout on the traffic accident site is further satisfied.

The invention relates to a direct current voltage slope control method for a multiport flexible direct current power transmission system and belongs to the technical field of power electronics. The method includes the steps of measuring the direct current voltage and active power of a convertor station connected with an active alternating current network, filtering out high frequency fluctuation components, judging whether the direct current voltage of the convertor station is within the preset allowable operating range or not after filtering is carried out, and if yes, judging whether the active power Pf of the convertor station reaches the steady-state value or not after filtering is carried out; if the Pf reaches the steady-state value, setting the active power of the convertor station as a new power reference value after filtering is carried out, and horizontally moving a direct current voltage-active power droop curve; if the Pf does not reach the steady-state value, setting the power corresponding to the direct current voltage of the convertor station after filtering is carried out as a new power reference value Pref, and horizontally moving the direct current voltage-active power droop curve. The direct current voltage can be controlled to be within the allowable operating range while rapid distribution of the wind power variation is ensured, and the system can operate safely and reliably.

The invention relates to a Fourier infrared spectrograph system integrating an MEMS translational micro-mirror and an MEMS torsional micro-mirror. The system includes two subsystems, namely, a main interferometer system and an auxiliary interferometer system; the main interferometer system and the auxiliary interferometer system share one translational micro-mirror; the torsional micro-mirror is of a torsion beam structure, is driven through an electrostatic or magnetic induction mode, and can achieve high-speed rotary swing with a frequency reaching tens of Hertz to several thousands of hertz, and a rotation angle reaching fifty degrees maximally; and the translational micro-mirror is of a spring vibration structure, can achieve translational movement with a translational movement frequency reaching more than 100 MHz and a translational movement range reaching more than 100 microns. These micro-mirrors have the characteristics such as being free of friction, high repetition, high stability and the like. Since the micro-mirrors are small in size, light in weight, and small in inertia and rotational inertia, the micro-mirrors have great shock resistance, so that the micro interferometers can be formed.

The invention provides a quasi-three-dimensional automatic measurement system for wind tunnels of an atmospheric boundary layer, relating to a quasi-three-dimensional automatic measurement system. The quasi-three-dimensional automatic measurement system is used for solving the problems that the continuous multipoint measurement and automatic motion of a velocity rod can not be realized because the existing large-sized wind tunnel mobile control equipment is relatively few in category and complicated in structure, automatic equipment is mostly imported from abroad, high in cost and inconvenient in popularization and application, and own equipment is mostly equipment of manual control. The quasi-three-dimensional automatic measurement system comprises a forward-backward moving device and an upward-downward moving device; the upward-downward moving device is arranged in the forward-backward moving device; a first forward-backward moving mechanism and a second forward-backward moving mechanism are arranged at the two sides of a forward-backward moving bracket in parallel; an upward-downward moving bracket is arranged in the forward-backward moving bracket; and a first upward-downward moving mechanism and a second upward-downward moving mechanism are arranged at the two sides of the upward-downward moving bracket in parallel. Support frame length adjustment members and measuring rod support mechanism length adjustment members are adjustable within a certain range of length and can carry out leveling to a certain degree. The quasi-three-dimensional automatic measurement system is applicable to the automatic measurement of the wind tunnels.

The invention discloses a spherical robot capable of jumping, and particularly relates to a spherical robot which can be used in a complex and variable environment, move in all the directions and jump. On a flat ground, the robot can make planar motions, namely the robot can achieve planar rolling and planar turning. When meeting an obstacle, the robot can cross the obstacle by jumping. The outer shape of the robot is spherical, the inner structure is designed to be simple and compact, and the robot can achieve jump. The jumping height can be adjusted according to the actual conditions when the robot jumps, the jumping direction can be adjusted, and the energy utilization rate is high. After jumping, due to the low gravity center and falling-resistant characteristic of the robot, the posture of the robot can be automatically adjusted.

The invention discloses a dipolar coordinate four free degrees parallel robot based on a dual-worm, comprising an upper screw mechanism, a lower screw mechanism, puncture needle mechanisms, a dual-worm transmission mechanism, a main connection board, a parallel platform holder and a support frame. One end of the parallel platform holder is fixed on the main connection board through a three-jaw structure, and the other end is connected with the support frame through a threaded coupling. The dual-worm transmission mechanism is arranged on one side of the main connection board and is connected with the main connection board. The upper screw mechanism and the lower screw mechanism symmetrically arranged at the two sides of the center of the main connection board are respectively connected with the dual-worm transmission mechanism to form two rotation free degrees, meanwhile the puncture needle mechanisms arranged on the upper screw mechanism and the lower screw mechanism form two movementfree degrees. The robot of the invention has the characteristics of simple and compact structure, light weight, small joint space, good rigidity, large working space and high flexibility, and is suitable for the automatic position of the manipulator used in minimally invasive surgeries of the neurosurgery, the orthopedic surgery, the prostate and the like.

The invention discloses a lawn mowing device driven by a screw to ascend and descend and special for afforestation. The lawn mowing device comprises a main support, an auxiliary support, a lifting frame, a cutting machine and a trimming knife, a rack is slidably mounted on a horizontal sliding rail through a sliding rod, a second driving motor is fixedly mounted on the right side of the inside ofthe lifting frame through a support, a driving bevel gear is mounted on an output shaft of the second driving motor in an interference fit manner, a driven bevel gear is connected on the left side ofthe driving bevel gear in a meshed manner, a half gear is concentrically and rotatably mounted on the driven bevel gear, a main connection rod is fixedly welded on the lower side of the rack, the cutting machine is fixedly mounted on the lower side of the main connection rod, and the trimming knife is mounted on an output shaft of the cutting machine. Through threaded fit between a screw and a slider, height of the lifting frame can be adjusted, ground clearance of the trimming knife is adjusted indirectly, and lawn mowing length is determined accurately; by combining rotation of a roller, andautomatic moving for trimming can be realized; compared with manual trimming, the lawn mowing device is more orderly in lawn mowing, and beautiful degree is increased.

The invention discloses an iron support for a chemical test, belongs to the field of chemical test devices and aims to solve the technical problems that height adjustment and rotation adjustment of an existing iron support are mutually affected, and the existing iron support cannot be detached. The iron support structurally comprises a base, a supporting rod, a plurality of test tube clamps and a plurality of iron rings, each iron ring comprises a connecting rod and a supporting ring fixed at the outer end of the connecting rod, the diameters of the supporting rings are different, each test tube clamp comprises a rotating rod and clamping parts fixed at the outer end of the rotating rod, the supporting rod is detachably and vertically fixed on the base, a plurality of lifting mechanisms are arranged on the supporting rod, the inner end of each connecting rod and the inner end of each rotating rod are detachably connected on the lifting mechanisms corresponding to the connecting rod and the rotating rod, and the lifting mechanisms can drive the connecting rods or the rotating rods to vertically move along the supporting rod.

The invention discloses a PCB automatic processing system. By virtue of an adopted soldering paste machine, convenient and efficient swinging adjustment can be realized, and an adjustment structure issimple and concise and low in center of gravity; in the printing process, high stability and high precision are achieved; and the adopted chip mounter is reasonable and reliable in movement structure, and the PCB chip mounting environment temperature can be changed, so that different chip mounting requirements can be satisfied. The PCB automatic processing system comprises a soldering paste printer, a chip mounter and a reflow soldering machine arranged in sequence; the soldering paste printer comprises a printing frame, wherein the printing frame is fixedly mounted; a sliding plate is mounted on the printing frame; the sliding plate is provided with a scraper translation apparatus; a whole scraper lifting apparatus is mounted on a scraper frame; two soldering paste machine air cylindersare mounted at the top end of the scraper frame in a perpendicular downward manner; air cylinder top rods of the soldering paste machine air cylinders are connected with an optical rod connecting partwhich is a cuboid; the soldering paste machine air cylinder top rods are fixedly mounted in the middle position of the optical rod connecting part; the chip mounter comprises a chip mounting assemblyand a feeding assembly arranged on the base; and an adjustable supporting part is arranged at the bottom of the base.

The invention discloses a fully automatic line-unloading transfer system for an excavator engine and belongs to the field of engineering machine parts production. The fully automatic line-unloading transfer system comprises a rack, an executive system, a control system, a part assembly line and a logistics AGV. The rack comprises stand columns and a beam type gantry framework. The executive systemcomprises a traveling device, a lifting device, a rotating device and a clamping device. The traveling device is fixedly arranged on the beam type gantry framework and the clamping device is connected under the traveling device by the lifting device and the rotating device. The part assembly line is arranged at the bottom of the rack. The logistics AGV is arranged at the bottom of the side edge of the rack. The control system is correspondingly connected to the executive system, the part assembly line and the logistics AGV. Automatic grab, translation, lifting and line-unloading of an engineare realized. The use of a crane is omitted, safety accidents are avoided, manpower is liberated and production efficiency is improved.

The invention discloses dead-corner-free efficient drilling equipment for power distribution cabinet production. The equipment comprises a working table. An installing frame is fixed to the middle ofthe top face of the working table through screws. First installing columns are connected to the inner walls of the two sides of the installing frame through rolling bearings correspondingly. First installing plates are fixed to the ends of the first installing columns correspondingly. First grooves are formed in the upper sides and the lower sides of the ends, away from the first installing columns, of the first installing plates. First electric telescopic rods are fixedly connected to the inner walls of the first grooves through screws. First adsorption plates are fixedly connected to the output ends of the first electric telescopic rods through screws. First electromagnetic blocks are fixed in the other ends of the first adsorption plates correspondingly. First horizontal frames are fixedly connected to the sides of the first installing frames through screws. First servo motors are fixedly connected to the top faces of the first horizontal frames through screws. The equipment is stable in operation, reasonable in design and high in automation degree, dead-corner-free drilling operation on the six faces of an electric control cabinet can be achieved after one-time feeding, and theworking efficiency of drilling of the electric control cabinet is greatly improved.

A sheet pile harbor model experiment teaching system comprises a sheet pile harbor model consisting of an experiment table, a sheet pile wall, pull rods, an anchorage plate, a cap beam, a face plate and a backfill material, an acquisition system consisting of displacement sensors, vibrating string strain gauges, vibrating string steel bar meters, vibrating string soil pressure gauges and corresponding acquisition devices, and sheet pile harbor visual software capable of three-dimensionally displaying arrangement of the sheet pile harbor model and the acquisition system and generating an experimental data curve according to experimental operating conditions. The sheet pile harbor model experiment teaching system further comprises a vertical loading device consisting of a self-control walking trolley, walking trolley tracks and rolling wheel guide rails and a horizontal loading system consisting of an actuator and a vibrating string counter-force meter. The sheet pile harbor model experiment teaching system enables a student to perform a sheet pile harbor model experiment in a laboratory and master structural composition and a stress characteristic of a sheet pile harbor and has good teaching application prospect.

The invention discloses a lens correction tool for a tea color sorter. The lens correction tool comprises a bottom board placed transversely and a color card correction board located in the center of the bottom board vertically. A first horizontal-moving correction board and a first focal length correction board are vertically mounted at the left end of the bottom board in sequence. A second horizontal-moving correction board and a second focal length correction board are vertically mounted at the right end of the bottom board in sequence. The left end and the right end of the bottom board are symmetrical with the color card correction board as the axis of symmetry. The upper portion of the color card correction board is connected with a balancing weight. The operations of horizontal movement of the tea color sorter, focal length correction and color card correction are achieved.

The invention relates to a manipulator device capable of freely grabbing a slide. The manipulator device comprises an X-axis mechanism, a Y-axis mechanism, a Z-axis mechanism and a slide grabbing mechanism, wherein the X-axis mechanism comprises an X-axis fixing bottom frame and an X-axis lead screw nut mechanism arranged on the X-axis fixing bottom frame; the Z-axis mechanism comprises a Z-axis movable frame and a Z-axis lead screw nut mechanism arranged on the Z-axis movable frame; and the slide grabbing mechanism comprises a translation support and a rotary support, the translation supportis fixed to a nut in a Y-axis lead screw nut mechanism, a clamping jaw for inserting and taking the slide is arranged on the rotary support, and the rotary support is rotationally assembled on the translation support and is driven to rotate by a clamping jaw motor arranged on the translation support. The manipulator device capable of freely grabbing the slide can grab the slide from a slide storage device, convey the slide to a dyeing device and insert the slide into a corresponding dyeing bin, an operator only needs to place the slide in a slide box and push the slide box into a slide bin, and a dyeing process is automated.

The invention discloses a multifunctional test device for a soil mechanics plane strain problem and a test method thereof. The device comprises a model box, a vertical loading device and a horizontalloading device, pressure sensors are installed at the positions, making contact with the surface of the foundation model, of the vertical loading device and the horizontal loading device respectively,strain sensors used for measuring strain capacity are arranged on the surface, stretching into the foundation model, of the test structure, and the pressure sensors and the strain sensors are connected with data acquisition equipment. An image acquisition device is installed outside the model box and is connected with a computer through a wireless network for real-time monitoring, or a memory card in the image acquisition device is inserted into the computer for reading. Loading is accurate and stable, and the simulation effect is improved, so that the reliability of a test result is improved; the structure is simple, the installation is convenient, the cost is low, the application is wide, resources are saved, and the problems in the prior art are solved.

The invention discloses a container truck-mounted crane type angle adjusting device. The container truck-mounted crane type angle adjusting device comprises a self-locking control rack, a hoisting adjusting mechanism and a lifting hook mechanism. The lifting hook mechanism comprises a hook, a hook support, a hydraulic motor II, a fixing plate and a bevel gear. The hook is located in a hanging hole of the hoisting adjusting mechanism. The hoisting adjusting mechanism comprises a lifting rack, a rotary shaft and rope winders. A steel wire rope is arranged on the rope winders, one end of the steel wire rope is fixed to the rope winders, and the other end of the steel wire rope is fixed to a connecting hole in the self-locking control rack. The self-locking control rack comprises connecting rods II, lock hooks, connecting rods I, a movable rod and pull rods. Transfer and horizontal movement of a container can be achieved, the container can incline relative to the ground at a large angle, bulk or barreled goods in the container can be rapidly dumped, time and labor are saved, manual loading and unloading are avoided, the labor intensity of workers is relieved, and working efficiency is improved.

A compact range antenna test system provided by the present invention comprises a microwave anechoic chamber, and a first manipulator, a second manipulator, a reflector and a feed source which are all arranged in the microwave anechoic chamber, the reflector is arranged on the first manipulator, the feed source is arranged on the second manipulator and faces the reflector, the reflector is used for focusing emergent waves emitted by the feed source into plane waves and reflecting the plane waves to a to-be-tested piece to form a quiet zone, the first manipulator can drive the reflector to move, and the second manipulator can drive the feed source to move according to the moving position of the reflector so as to translate the quiet zone. According to the compact range antenna test system provided by the invention, the reflector and the feed source are respectively driven by the first manipulator and the second manipulator to move, and translation of the quiet zones can be realized by combining real-time matching and alignment of the reflector and the feed source, so that a plurality of quiet zones which can be mutually spliced are formed, the space of the quiet zones is multiplied, and the test performance is improved.

The invention discloses a trolley for a copper brazing furnace. The trolley comprises a frame (14), two parallel X-shaped supports (5) installed on the frame (14) and a hand push handle (6) installed on the upper left of the frame (14). A control switch (4) is arranged on the hand push handle (6) and connected with a first motor (2), a second motor (8) and a storage battery (7). Four rolling wheels (9) are installed on the lower portion of the frame (14). The trolley for the copper brazing furnace is reasonable in structural design and convenient to operate, a carrying platform can ascend and descend, also can move horizontally and is adjustable in height and movable in the horizontal direction, radiator cores are quite convenient to carry and place, time and labor are saved, working efficiency is high, and practicability is high.