52results about How to "Realize electric adjustment" patented technology

The invention discloses a target holder device for a test of laser driving tiny fragments. The target holder device comprises a laser device, a beam splitter, a beam expander, a focusing lens, a flying piece target, an impact target and a velocity measuring system, wherein the beam splitter, the beam expander, the focusing lens, the flying piece target, the impact target and the velocity measuring system are arranged in a vacuum tank; the focusing lens, the flying piece target and the impact target are coupled into a target holder at the lower part, and an external controller is connected with a stepping motor through a cable so as to precisely control the positions of the focusing lens, the flying piece target and the impact target on the target holder. Laser needs passes through the beam splitter before penetrating through the focusing lens to enter the flying piece target, the beam splitter reflects one part of laser into a CCD (Charge Coupled Device) so as to observe laser spots, the laser is incident to the flying piece target after passing through the beam splitter, the flying piece target generates plasmas under the action of laser and drives launch of flying pieces. Compared with the prior art, the target holder device can electrically regulate the position of the focusing lens, can conveniently move the flying piece target and the impact target, and improves the precise of an impact position; in a cumulative impact test, the condition that the flying piece target and the impact target are adjusted by opening the tank can be avoided, so that the time is greatly saved.

The invention relates to a combine harvester cleaning sieve inclination angle automatically regulating device. The combine harvester cleaning sieve inclination angle automatically regulating device comprises a linear sliding table, a servo motor cleaning sieve, an inclination angle sensor device, a control system and the like, wherein the inclination angle sensor is installed at the tail part of the cleaning sieve, the linear sliding table is arranged in the vertical direction, a roller guide rail plate is installed at a working slide block of the linear sliding table, under the drive of a servo motor, the working slide block is driven to conduct motion, the roller guide rail is further driven to conduct motion, and thus the purpose that the inclination angle of the cleaning sieve can be adjusted is achieved. According to the combine harvester cleaning sieve inclination angle automatically regulating device, under the joint action of the inclination angle sensor, the control system, and the linear sliding table, real-time regulation of the inclination angle of the cleaning sieve can be achieved, the cleaning sieve can be adapted to harvesting conditions in croplands especially in hill zones in which terrains fluctuate up and down, and the cleaning sieve can be adapted to regulation of differences in respective optimum inclination angles of various crops. The normal work of the cleaning sieve surface can be guaranteed; the combine harvester cleaning sieve inclination angle automatically regulating device is beneficial to increasing of cleaning efficiency and complete machine efficiency; the combine harvester cleaning sieve inclination angle automatically regulating device has a wide theorectical significance and application prospect.

The invention provides an MRI (Magnetic Resonance Imaging) gradient coil assembling platform and assembling method. The MRI gradient coil assembling platform comprises a bearing structure I, a bearing structure II, a bottom installation platform, an X and Y adjustment table, a rotary adjustment table and Z-direction oblique adjustment bolts, wherein the bottom installation platform is in a circular ring shape; two circles of support pillars are respectively arranged inside and outside the circular ring part and are respectively inner layer support pillars and outer layer support pillars; the inner layer support pillars support the bearing structure I; the outer layer support pillars support the circular ring-shaped bearing structure II; the circular ring-shaped rotary adjustment table is arranged on the bearing structure II; the circular ring-shaped X and Y adjustment table is arranged on the rotary adjustment table; the bearing structure I is arranged in the circular ring-shaped X and Y adjustment table; a plurality of Z-direction oblique adjustment bolts are uniformly arranged on the bottom part of the bearing structure II. The platform can realize rotary, inclination and translation of a gradient coil module, and meets the requirement of gradient coil assembling; due to the use of the method, the assembling efficiency of coils is improved, the process cost is reduced, and the product performance is improved.

The invention discloses a vehicle-mounted intelligent child seat and a control method thereof, and relates to the field of intelligent seats, the child seat comprises a seat adjusting assembly, a temperature adjusting assembly, a sensor assembly, a pressure sensing assembly and a seat controller, and the seat adjusting assembly comprises an angle adjusting motor used for adjusting the angle of a seat backrest and a rotation adjusting motor used for adjusting the rotation angle of the seat; the temperature adjusting assembly comprises a backrest temperature adjusting piece used for adjusting the temperature of the seat backrest and a cushion temperature adjusting piece used for adjusting the temperature of a seat cushion; the sensor assembly comprises a seat backrest temperature sensor usedfor monitoring the temperature of the seat backrest and a seat cushion temperature sensor used for monitoring the temperature of the seat cushion; and the pressure sensing assembly comprises a pressure sensor used for sensing pressure on the seat cushion. According to the child safety seat, the sitting comfort of a child is guaranteed, and meanwhile the convenience of seat adjustment is improved.

The invention discloses a control method used for automatically regulating an interior rear-view mirror. The control method comprises steps as follows: (1) a driver inputs a control signal through a relevant input unit according to a requirement for the rear-view field of the interior rear-view mirror; (2) a microprocessor acquires the interior rear-view mirror regulation control signal input by the signal input unit, and sends a control instruction according to the control signal; and (3) the microprocessor controls the motion direction and feed amount of an X-direction motor and / or a Y-direction motor through the control instruction, thereby driving an interior rear-view mirror lens to perform relevant position regulation. According to the control method which is used for automatically regulating the interior rear-view mirror, by means of the structure, electric regulation of the relative position of the interior rear-view mirror lens is achieved, so that the effect of regulating the rear-view field of the interior rear-view mirror is achieved, potential safety hazard due to a manual regulation mode in the prior art is avoided, and the intelligent level is higher.

The embodiment of the invention discloses a focusing system for an antenna feed source. The focusing system comprises a waveguide, wherein the front end of the waveguide is provided with a feed source, and the rear end of the waveguide is provided with a lead screw nut; a lead screw sleeved with the lead screw nut; a driving motor, wherein the output shaft of the driving motor is coupled to the lead screw for driving the lead screw; and a linear guide rail provided with a guide rail slider and connected to the waveguide. The focusing system is provided with the driving motor and the lead screw, and the lead screw nut is fixed to the rear end of the waveguide. The driving motor moves the lead screw in order that the lead screw nut moves the waveguide horizontally when moving along the horizontal direction, thereby moving the feeding source in the horizontal direction and electrically focusing the feed source. As a result, a worker can adjust the position of the feed source by controlling the drive motor on the ground.

The invention discloses an electric automobile seat and a lifting driving device thereof. The lifting driving device comprises a base fixed to an automobile chassis, a transmission device installed on the base, a power device connected with one end of the transmission device, and a pull rod connected with the other end of the transmission device. The pull rod is connected with one end of a footrest of the automobile seat. An automobile seat body is installed at the other end of the footrest. A footrest supporting point is arranged on the footrest. The footrest can rotate around the footrest supporting point. In the use process, the power device is started, the transmission device is driven to transmit power to the pull rod, and the pull rod pulls the footrest to rotate; due to the fact that the automobile seat body is installed at the other end of the footrest, the automobile seat body rotates while the footrest rotates, and the automobile seat body is adjusted upwards, downwards, forwards and backwards. The invention discloses the lifting driving device. Under the condition of not replacing the whole automobile seat, the position of the automobile seat is electrically adjusted, cost is saved, and time and labor are saved.

The invention relates to the technical field of short-focus lenses, and in particular, relates to a short-focus lens system which comprises a shell and a lens group, the lens group is mounted in the shell, and the shell comprises a main mounting lens cone and a lens adjusting mechanism; the lens adjusting mechanism is connected and mounted on the main mounting lens cone and is used for driving one or more groups of lenses in the lens group to move on the central axis of the main mounting lens cone; and the lens group comprises a refraction lens group and an aspheric reflector which are sequentially arranged from the image incident side to the image emergent side along the central axis of the main installation lens cone. The influence of temperature change on lens deformation is considered in design and selection of surface type parameters of the spherical lens, it can be guaranteed that the short-focus lens system has good image distortion prevention performance in a high-temperature environment; in addition, a middle group adjusting part is arranged to drive the lenses in the lens group to move; therefore, the focal length under different projection pictures can be adjusted, and the definition under pictures of different sizes can be ensured.

The invention discloses a double-station measuring cup metering device. The double-station measuring cup metering device comprises a bin assembly, a measuring cup assembly, a discharge tube assembly and a supporting frame assembly, wherein the bin assembly, the measuring cup assembly and the discharge tube assembly are sequentially arranged on the supporting frame assembly from top to bottom; the output end of the storage bin assembly is in butt-jointed with the input end of the measuring cup assembly; the output end of the measuring cup assembly is connected with the input end of the discharge tube assembly; two discharge openings are formed in the measuring cup assembly; the discharge tube assembly comprises two discharge tubes; upper ends of the two discharge tubes are respectively butt-jointed with the two discharge openings of the measuring cup assembly in the; and a pneumatic gate valve is arranged at the lower end of each of the discharge tubes. Through the adoption of the double-station measuring cup metering device, the packaging speed is increased by one time, and accurate control of the discharge time is effectively improved, so that the packaging efficiency is improved by adopting the same manufacture cost.

The invention belongs to the technical field of massage equipment, in particular to an intelligent massage chair. The intelligent massage chair comprises a chair seat, a chair back, armrests, an electric push rod, supports and caster wheels, wherein the chair seat and the chair back realize relative swing through a group of mutually meshed gear wheels; the intelligent massage chair further comprises a support module, a shading module and control screens, and the support module is arranged on the left side of the chair back. According to the intelligent massage chair, the support module is arranged on the left side of the chair back, so that the massage chair can be prevented from toppling after the chair back tilts; the shading module is arranged on the right side of the upper end of the chair back, so that users can shade light when resting; the control screens are embedded on the curved surfaces at the right ends of the armrests, so that the posture of the massage chair in the sleepmode and the office mode is electrically adjusted, and the control screen can save the posture in the sleep mode and the office mode and further realize one-key setting, thereby providing a relativelydark sleep environment capable of reclining for the users and ensuring the sleep environment of the users.

The invention belongs to the sleep assisting technological field and relates to a method for improving the sleep quality of a human body. According to the method, a smart massage chair comprises a chair seat, a chair back, armrests, an electric push rod, a bracket and casters; the chair seat and the chair back can swing relative to each other through a set of gears engaged with each other; and thesmart massage chair further comprises a supporting module, a light shielding module and a control screen. According to the method of the invention, the supporting module is arranged on the left sideof the chair back so as to prevent the massage chair from toppling and falling after the chair back is tilted; the light shielding module is arranged on the right side of the upper end of the chair back, so that light can be shielded for a user during the rest of the user; the control screen is embedded in the curved surface of the right end of the armrest, the posture of the massage chair in a sleep mode and an office mode can be electrically adjusted, and the control screen can save the posture in the sleep mode and the office mode, and therefore, one-button setting can be realized; and thus, a relatively dark sleeping environment in which the user can recline can be provided for the user, and the sleeping environment of the user can be ensured.

The invention provides a gas circuit control mechanism of an air conditioner of an automobile. The gas circuit control mechanism and a shell of the air conditioner of the automobile are fittingly arranged, so that gas in an internal channel formed in the shell can be controlled. The gas circuit control mechanism mainly comprises air door driving portions, a spindle and a sphere opening. An auxiliary driving portion can be driven by the air door driving portions to drive two air doors to rotate around two rotary shafts, so that the internal channel can be opened or closed; the sphere opening can be driven by the spindle and can rotate around the axis of the spindle. The gas circuit control mechanism of the air conditioner of the automobile has the advantages that open-closed states of the air doors can be controlled by the air door driving portions, the spindle can rotate in a drivable manner and can be driven to drive air openings to rotate, accordingly, gas flow in the internal channel can be electrically adjusted without being manually adjusted, the gas circuit control mechanism can be matched with an electronic control unit of the automobile, and the spherical air openings can be automatically controlled.

The invention relates to a four-direction electric adjusting headrest structure and a using method thereof. The four-direction electric adjusting headrest structure comprises a front shell and a rear cover which are arranged front and back, a guide mechanism moving front and back is arranged between the front shell and the rear cover, a containing space is formed between the front shell and the rear cover, an insertion pipe penetrates into the containing space from bottom to top, and a lifting base is slidably installed on the insertion pipe located in the containing space; the lifting base is fixedly connected with the rear cover; a transmission mechanism is mounted in the lifting base; the front shell is fixedly provided with a transverse rack backwards penetrating through the lifting base, and further comprises a longitudinal rack fixedly connected with the insertion pipe; the transmission mechanism comprises a first gear and a second gear which are coaxially arranged, the first gear is meshed with the longitudinal rack, and the second gear is meshed with the transverse rack; the first gear rotates to move up and down relative to the longitudinal rack meshed with the first gear, and the transmission mechanism and the lifting base drive the rear cover and the front shell to move up and down; and the second gear rotates to enable the transverse rack meshed with the second gear to move back and forth to pull the front shell to move back and forth. Therefore, up-down and front-back four-direction adjustment of the headrest is achieved, layout is optimized, and use is convenient and reliable.

The invention relates to an automatic and manual integrated clutch. A bearing base 1 and a shell 4 of the automatic and manual integrated clutch are fixed on an electric mechanism; a shifting fork 3 is positioned inside the clutch shell 4; a spring piece set bearing 6 is arranged between a butterfly spring piece set 2 and the bearing base 1; a roller 9 is fixedly installed inside the clutch shell 4; the roller 9 contacts a bevel on the shifting fork 3; a friction piece set comprises a plurality of friction pieces 16; a friction ring 17 and a disc spring 14 are arranged between every two friction pieces 16; friction plates 13 are arranged on the two sides of each friction piece 16; the friction plates 13 contact a friction piece set bearing 5 and a transmission gear 7 respectively. Through the arrangement of the shifting fork, automatic and manual operations are integrated, an aero seat is regulated to adapt to various environments, and the safety of an aircraft and a pilot is ensured; the automatic and manual integrated clutch is reliable to work and significant in effect.

The invention discloses a multi-head saw cutting device for pipes. The multi-head saw cutting device comprises a horizontal machine base, wherein a guide rail is arranged on the horizontal machine base. The multi-head saw cutting device further comprises at least two saw cutting heads which are connected in series, wherein a base of each saw cutting head is directly or indirectly installed on a guide rail in a sliding mode, and a linkage mechanism is installed between every two adjacent bases. A sliding driving device for driving the saw cutting heads to slide is installed on the horizontal machine base, the sliding driving device is in transmission connection with the base of one saw cutting head, and a middle supporting guide mechanism used for supporting cut-off pipes is further installed between every two adjacent bases. A downstream supporting and guiding mechanism used for supporting the cut-off pipes is installed on the base of the saw cutting head located at the most downstreamposition in the pipe conveying direction. The multi-head saw cutting device can cut pipes shorter and is high in cutting efficiency.

The invention relates to the technical field of automobile test devices, and discloses an automobile air brake system adhesion coefficient utilization rate test device and method. The test device comprises an air inlet selection valve, a pipeline cut-off valve, an electromagnetic switch valve, an electric pressure regulating valve, a first pressure release valve, a second pressure release valve and an air outlet selection valve, wherein the air inlet selection valve is provided with a first air inlet, a second air inlet and a first air outlet; the first air inlet can be used for being connected with an original automobile pipeline of an automobile brake system, and the second air inlet can be used for being connected with an air tank; the pipeline cut-off valve is provided with a third airinlet, a second air outlet and a third air outlet; the third air inlet is communicated with the first air outlet;theair outlet selection valve is provided with a fourth air inlet, a fifth air inlet and a fourth air outlet; the fourth air inlet is communicated with the first pressure release valve; the fifth air inlet is communicated with the second pressure release valve; and the fourth air outlet can be used for being connected with an air chamber. The device has the advantages that the test device is simple, multiple in functions and high in test efficiency; the electric pressure regulatingvalve can be manually and electrically regulated, and is convenient to regulate and high in regulating precision.

The invention discloses a fully automatic transfer flat truck. The fully automatic transfer flat truck comprises a transfer flat truck body, the transfer flat truck body comprises a truck frame, a supporting plate and four sets of traveling mechanisms, and the fully automatic transfer flat truck further comprises an electric handrail and a remote-control unit. The fully automatic transfer flat truck has high practicability and can operate automatically, only one person is required to operate the transfer flat truck, and manpower is effectively saved; and in the process of pushing the truck, the need to bend over to control the direction is not required, for family members of a patient with lumbar disc herniation, the truck is pushed simpler and easier, meanwhile, the discomfort of the patient with the lumbar disc herniation is avoided when the truck is pushed, the shock absorption performance is good, the truck can be traveled steadily at a constant speed, the bumpiness range can be effectively reduced when the truck penetrates connecting positions of hospital corridors, and discomfort of the patient can be avoided. The handrail is electrically adjusted, the operation adjustment isconvenient, a protective layer is prepared, the anti-slip and antibacterial properties are better, and the fully automatic transfer flat truck is not prone to nourish bacteria and clean and hygienic.

The invention discloses an electric adjusting device for a rolling mill groove. The electric adjusting device comprises a sleeve used for screwing a screw rod, wherein the sleeve is connected with a driving motor through a position adjusting assembly, and the driving motor is arranged on a movable trolley; the position adjusting assembly is connected with the driving motor through a flange structure; and the sleeve is arranged at the end part of an azimuth adjusting assembly, and is suspended through the azimuth adjusting assembly. According to the electric adjusting device, the position adjusting assembly is arranged, so that the arrangement position of the sleeve can be flexibly arranged, and the sleeve is driven by the motor, so that the labor consumption during groove adjustment is greatly reduced.

The invention relates to a middle supporting wheel structure of a horizontal bilateral glass edge grinding machine. The middle supporting wheel structure comprises a machine tool body assembly, a fixed edge assembly, a moving edge assembly, a middle supporting wheel assembly and a driving mechanism used for controlling the moving edge assembly to move left and right; the fixed edge assembly and the moving edge assembly are arranged on the left side and the right side of the machine tool body assembly respectively and used for bearing glass and conveying the glass forwards, the middle supporting wheel assembly is arranged on the machine tool body assembly and located between the fixed edge assembly and the moving edge assembly and achieves linkage with the moving edge assembly through a synchronous transmission device, and the left-right moving speed of the middle supporting wheel assembly is smaller than that of the moving edge assembly. According to the structure, electrical adjustment is achieved by virtue of power of the moving edge assembly; in addition, linkage with the moving edge assembly is adjusted, it is guaranteed that the middle supporting wheel assembly can be located at the reasonable position between the fixed edge assembly and the moving edge assembly, the working efficiency is improved, and the labor cost is greatly reduced.

The invention discloses a projector convenient to calibrate a projection position and good in stability. The projector comprises a projector body, lifting mechanisms, a fixing mechanism and an air passage. A bottom plate is fixed with the lower surface of the projector body through bolts. A rotating rod is mounted below the middle position of the bottom plate. A supporting plate is arranged on theouter side of the rotating rod. A rotating mechanism is mounted below the rotating rod. The lifting mechanisms are installed at the four corners of the outer edge of the supporting plate correspondingly. A mounting box is connected below the lifting mechanisms. The fixing mechanism is connected with the lower portion of the mounting box. A lifting motor is mounted in the mounting box. A transverse plate is fixed on the outer surface of the inner side of the mounting box. An air pipe is mounted on the lower surface of the transverse plate. A micro air pump is fixed on the middle of the upper surface of the transverse plate, and a connecting pipe is mounted at the joint of the micro air pump and the air pipe. According to the invention, the accuracy of adjusting the calibration projection position of the projector is improved, and the projector is adsorbed on a desktop through negative pressure, thereby facilitating the improvement of the fixing stability of the projector.

The invention belongs to the field of vehicle navigation information entertainment, and relates to a multi-directional adjusting mechanism of vehicle-mounted navigation information entertainment equipment, comprising a rotating disk, a fixing disk, a first screw assembly and a second screw assembly. The rotating disk is connected with the vehicle navigation information entertainment equipment through a universal joint structure. A plane bearing is arranged between the rotary disk and the fixing disk, and the rotary disk is movably connected to the fixed disk by screws and can be rotated; The fixing disk is mounted on the first screw assembly and horizontally moved under the adjustment of the first screw assembly; The first screw assembly is mounted on the second screw assembly and vertically moved under adjustment of the second screw assembly. The vehicle-mounted navigation infotainment equipment can realize any position and any angle within the effective size range and the requirements of the vehicle driver and occupant from multiple perspectives, the convenient operation is perfect matching, and the horizontal and vertical HMI interactions can be switched conveniently when the mobile phone interacts with each other, so as to meet the requirements of the mobile phone.

The invention provides a new energy storage device which comprises a storage cabinet, a mounting plate, a solar cell panel and an angle adjusting mechanism, a connecting shaft is rotatably mounted on the storage cabinet, one side of the mounting plate is fixedly connected with the connecting shaft, the solar cell panel is fixedly arranged on the mounting plate, one end of the angle adjusting mechanism is connected with the storage cabinet, and the other end of the angle adjusting mechanism is connected with the mounting plate. The other end of the angle adjusting mechanism is connected with the mounting plate; and a remote monitoring mechanism is arranged on the storage cabinet. Through the arrangement of the angle adjusting mechanism, electric adjustment of the angle of the solar cell panel is achieved, the angle of the solar cell panel can be adjusted according to the incident angle of sunlight, the power generation efficiency can be improved, new energy is adopted for supplying power to equipment, and energy conservation and environmental protection are facilitated; the remote monitoring mechanism is based on the Internet of Things, monitoring and taking are convenient, the functions are diversified, and the comprehensive performance is high.

The invention discloses an adjustable wind-sweeping connecting rod. The adjustable wind-sweeping connecting rod comprises an air outlet outer frame, a first motor, a second motor, a horizontal air guiding plate and an adjusting motor, the horizontal air guiding plate is arranged inside the air outlet outer frame, a first horizontal air guiding plate gear is arranged at one end of the horizontal air guiding plate, the first motor is connected to the first horizontal air guiding plate gear through a first drive gear, a second horizontal air guiding plate gear is arranged at the other end of thehorizontal air guiding plate, the second motor is connected to the second horizontal air guiding plate gear though a second drive gear, and a longitudinal upper support is arranged above the portion inside the air outlet outer frame. The adjustable wind-sweeping connecting rod is simple in structure and novel in design, through the arrangement of an adjusting rod and the adjusting motor, and through drive of the adjusting motor, reciprocating automated adjustment of the longitudinal air guide plate is achieved, the automation effect of an air conditioner is greatly improved, the risk caused bymanually adjusting a traditional air conditioner is avoided, the personal safety of a user is protected, and thus the adjustable wind-sweeping connecting rod has high popularization value.

The invention provides a heat preservation serving trolley with internal circulation hot air, which comprises a compartment, moving wheels, a heat preservation box, a door frame, a heat preservation door, a door handle, a side buffer frame structure, a longitudinal storage buffer frame structure, a hot air circulation pipe frame structure, a fixed screw rod, an adjustable displacement frame structure, a positioning rod, a storage battery and a control panel, moving wheels are installed at the four corners of the lower portion of the compartment through bolts. A heat preservation box is installed on the inner side of the compartment. A door frame is installed on the left side of the heat preservation box through bolts. A heat preservation door is hinged to the left side of the interior of the door frame. A door handle is installed on the left side of the front portion of the heat preservation door through screws. The buffer frame is in bolted connection with one side of the side buffer spring, so that the side buffer spring can be conveniently used for buffering the left side and the right side of the buffer frame during use, and the situation that the meal box is easily damaged due to collision in the storage frame during use can be reduced.

The invention relates to an automatic and manual integrated clutch. A bearing base 1 and a shell 4 of the automatic and manual integrated clutch are fixed on an electric mechanism; a shifting fork 3 is positioned inside the clutch shell 4; a spring piece set bearing 6 is arranged between a butterfly spring piece set 2 and the bearing base 1; a roller 9 is fixedly installed inside the clutch shell 4; the roller 9 contacts a bevel on the shifting fork 3; a friction piece set comprises a plurality of friction pieces 16; a friction ring 17 and a disc spring 14 are arranged between every two friction pieces 16; friction plates 13 are arranged on the two sides of each friction piece 16; the friction plates 13 contact a friction piece set bearing 5 and a transmission gear 7 respectively. Through the arrangement of the shifting fork, automatic and manual operations are integrated, an aero seat is regulated to adapt to various environments, and the safety of an aircraft and a pilot is ensured; the automatic and manual integrated clutch is reliable to work and significant in effect.

The invention discloses a seat floating adjusting device which comprises two sets of sliding rail mechanisms, two sets of connecting rod mechanisms and a driving mechanism. The sliding rail mechanism comprises a lower sliding rail and an upper sliding rail which are connected in a sliding manner, and the upper sliding rail and the lower sliding rail are mutually restricted and can limit the adjusting direction of the seat, so that the uniformity and the accuracy of adjustment are ensured; the driving mechanism is used for driving the upper sliding rail to move along the lower sliding rail, electric adjustment of the seat is achieved through the driving mechanism, and using is more convenient and more labor-saving; the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, and the three connecting rods are mutually matched and restricted, so that when the driving mechanism drives the upper sliding rail to move along the lower sliding rail, the cushion translates along with the upper sliding rail, and the backrest can translate along with the cushion, can be put down along with the cushion getting away from the back plate and can recover along with the cushion getting close to the back plate; and the backrest can be changed by fitting the back of the user in the adjusting process.

The wire mill guide mechanism comprises a base and a mechanical bin, the mechanical bin is installed at the top of the base, a drainage hole is formed in the bottom of the mechanical bin, a drainage pipe is installed at the bottom of the drainage hole and penetrates through the inner side of the base, and a protective shell is installed at the top of the mechanical bin. The front face and the back face of the protective shell are each provided with a set of supporting plates, and a sliding rail is installed on one side of the protective shell. According to the guide mechanism, the guide disc and the guide plate are installed, so that wires can move according to a track of the guide disc and the guide plate, the asynchronous motor, the double-end tooth bolt, the sliding rail, the pulley, the baffle, the buckling disc and the buckling groove are installed, the gap between the guide disc and the guide plate can be flexibly adjusted, and therefore the guide mechanism can adapt to various wires.

The invention discloses a target holder device for a test of laser driving tiny fragments. The target holder device comprises a laser device, a beam splitter, a beam expander, a focusing lens, a flying piece target, an impact target and a velocity measuring system, wherein the beam splitter, the beam expander, the focusing lens, the flying piece target, the impact target and the velocity measuring system are arranged in a vacuum tank; the focusing lens, the flying piece target and the impact target are coupled into a target holder at the lower part, and an external controller is connected with a stepping motor through a cable so as to precisely control the positions of the focusing lens, the flying piece target and the impact target on the target holder. Laser needs passes through the beam splitter before penetrating through the focusing lens to enter the flying piece target, the beam splitter reflects one part of laser into a CCD (Charge Coupled Device) so as to observe laser spots, the laser is incident to the flying piece target after passing through the beam splitter, the flying piece target generates plasmas under the action of laser and drives launch of flying pieces. Compared with the prior art, the target holder device can electrically regulate the position of the focusing lens, can conveniently move the flying piece target and the impact target, and improves the precise of an impact position; in a cumulative impact test, the condition that the flying piece target and the impact target are adjusted by opening the tank can be avoided, so that the time is greatly saved.

The invention relates to a device for electrically adjusting the high-low speed of a speed change wheel. The device comprises an electric adjusting frame mechanism, a belt wheel mechanism and a vertical bracket mechanism. The electric adjusting frame mechanism comprises a connecting seat plate, a motor, a speed adjusting gear set, an adjusting rod and a vertical bracket movable sleeve. The motor is fixedly mounted on the connecting seat plate, an output shaft of the motor and the adjusting rod are mounted in transmission through the speed adjusting gear set, a threaded rod is arranged on the front portion of the adjusting rod, and the threaded rod and the vertical bracket movable sleeve are mounted in engagement. The vertical bracket mechanism comprises a fixing support and a vertical bracket, the upper end of the vertical bracket is hinged to the fixing support, and the lower end of the vertical bracket is hinged to the vertical bracket movable sleeve. The belt wheel mechanism comprises a belt wheel shaft, a bearing block, a speed change belt wheel and a clutch, the bearing block and the connecting seat plate are fixedly mounted, and the clutch and the middle of the vertical bracket are fixedly mounted. The high-low speed of the speed change wheel can be electrically adjusted, control is easy and convenient, the requirements of the speed needed for users to harvest different crops can be effectively met, and the harvesting efficiency is improved.

The invention discloses a flap monitoring device. The flap monitoring device comprises a bed body, a mounting frame, a translation mechanism, a heating lamp, a monitoring mechanism, a central controlterminal and a background terminal, wherein the mounting frame is arranged on the bed body; the translation mechanism is mounted on the mounting frame, and is located above the bed body; the heating lamp is mounted on the translation mechanism, and moves in the length direction and the width direction of the bed body under the driving of the translation mechanism; the monitoring mechanism comprises a front camera and a rear camera, wherein the front camera is arranged at the bed head of the bed body, and the rear camera is arranged at the bed tail of the bed body, and the front camera and therear camera are used for shooting the bed surface at the oblique angle of 45 degrees; images shot by the monitoring mechanism are transmitted to the background terminal in a real-time manner through the central control terminal, the background terminal is used for analyzing the images transmitted by the central control terminal, and giving a control command to the central control terminal according to the analysis result; and the central control terminal is used for controlling a displacement mechanism and the heating lamp according to the control command of the background terminal. Accordingto the flap monitoring device disclosed by the invention, through automatic flap monitoring, real-time monitoring and long-distance operating of the heating lamp to work are realized.