1144 results about "Four-slide" patented technology

The invention discloses a movable height angle adjustable bracket for a hand-held hedge trimmer, belonging to the technical field of landscaping machinery. When an existing hand-held hedge trimmer is used to artificially trim the contour of the plant, the trimming labour intensity is high, and the hedge is difficult to trim flatly and uniformly. The movable height angle adjustable bracket for the hand-held hedge trimmer is composed of a translation mechanism, a lifting mechanism and a replicating mechanism from bottom to top, wherein lower end parts of four connecting rods below two groups of parallelogram four linkages in the lifting mechanism are respectively hinged with four slide blocks in the translation mechanism; and the upper end parts of the four connecting rods above the two groups of the parallelogram four linkages in the lifting mechanism are respectively hinged with a pair of round hole supporting bases and a pair of slot hole supporting bases in the replicating mechanism. The hand-held hedge trimmer is arranged on a blocking base, so that a ring-belt-shaped cutter head of the hand-held hedge trimmer extends forwards. The height of the hand-held hedge trimmer is regulated by the lifting mechanism, and the replicating angle of the blocking base is regulated by the replicating mechanism, so as to be adaptive to trimming different plant contours; and the ring-belt-shaped cutter head translates in a reciprocating manner by the translation mechanism, so as to repeatedly trim.

The invention provides a horizontal moving steel band recoiling device, which comprises a band releasing device and a band take-up device. The band releasing device comprises a steel band roller, a rotating disk, a steel band tensioning device, a steel band disk, a tensioning arc plate, a brake, a brake turnplate, a tensioning cylinder, a push seat, a synchronous belt and an encoder. The band take-up device comprises a groove device, a lifting tray, a synchronous belt, a servomotor, a ball screw pair, linear guide rail pairs, a variable speed reducer, a bobbin and an encoder for counting meters, wherein the synchronous belt is connected with the ball screw pair; a feed screw nut is connected with a sliding case; the sliding case is provided with four slide blocks; on the two linear guide rail pairs, a reciprocating stroke realizes reversing by approaching a positioning switch; the bobbin is connected with a motor with the encoder and the variable frequency speed reducer; the steel band is provided with the encoder for counting meters between the groove device and the bobbin. The device has high automatic degree, reduces labor intensity, and improves safety.

The invention discloses a barrier-free automatic lifting speed bump and a control method. The speed bump comprises a radar speed indicator, four guide rails, a speed reducing plate, four sliding wheels, a plurality of upper supporting rods, a plurality of lower supporting rods, a plurality of link rods, a left push-pull rod, a right push-pull rod, two groups of push-pull electromagnets, a plurality of push-pull springs, a thrust electromagnet, a plurality of thrust springs, a thrust rod and a control device. The barrier-free automatic lifting speed bump has no barrier to the normal running vehicles, and can forcibly decelerate the over-speed vehicles, so that the road running comfortableness and the running safety can be improved, the noise is reduced, the service life of a tyre is prolonged and the overhauling expense is reduced. In addition, the control method is simple and convenient.

The invention discloses a wheel-type obstacle detouring mechanism for a wall climbing robot with adjustable magnetic adsorption force in the technical field of robots. The wheel-type obstacle detouring mechanism comprises a moving mechanism, an adsorption mechanism, a lifting mechanism, a linear guide rail, a spring, sliding guide rods and a guide rod connecting frame, wherein the adsorption mechanism is arranged below a driving mechanism and movably connected with four sliding guide rods; the spring is sleeved on the sliding guide rods; the guide rod connecting frame is contacted with the spring and connected with the four sliding guide rods; the lifting mechanism is movably connected with the moving mechanism and the adsorption mechanism; the linear guide rail is connected with the moving mechanism; and the lifting mechanism drives the moving mechanism and the adsorption mechanism to move up and down along the linear guide rail. The non-contact magnetic adsorption wheel-type moving mechanism has the characteristics of flexible movement, high and adjustable adsorption force and lifting capability, and has good application prospect.

The invention relates to a novel tuned particle mass damper and belongs to the technical field of shock resistance and absorption of structural engineering. The novel tuned particle mass damper comprises a damper fixing plate, mass block sliding cavities, mass blocks, connecting springs, viscous damper units, connecting bars, a damper cavity, damper chamber separating plates, multi-stage damping particle groups. Four sliding cavities are arranged on the damper fixing plate; four mass blocks are arranged inside the four sliding cavities, perform low-damping movement inside the internal tracks of the sliding cavities and are connected with the damper fixing plate through the viscous damper units and the springs and connected with the damper cavity through the connecting bars. The chamber separating plates are arranged inside the damper cavity, a single layer of the multi-stage damping particle groups are uniformly arranged on every chamber separating plate. Under the action of wind and/or earthquakes, the damper cavity moves opposite to a basic structure on the plane and generates control force opposite to that of the basic structure, internal damping particles collide fiercely to rapidly dissipate system mechanical energy and further improve system damping effects.

The invention relates to a palletizing robot which comprises a mechanical arm and a gripper. The mechanical arm and the gripper are connected movably, the gripper comprises a platform, a pair of fingers and a rotary mechanism for driving the fingers to rotate, linear guide rails are installed below the platform, a sliding block group is installed on the linear guide rails and comprises four sliding blocks, two sliding blocks are installed on each linear guide rail, the sliding blocks located on the same sides on the two linear guide rails belong to a group, and two ends of each finger are respectively installed on the same group of sliding blocks in hinged mode. The palletizing robot is further provided with a translation mechanism for driving the fingers to perform translation on the linear guide rails, a plurality of vacuum suckers for absorbing materials and a lifting mechanism for driving the vacuum suckers to move vertically are installed at positions between the pair of fingers on the platform. The rotary mechanism of the palletizing robot drives the gripper to rotate so as to grab objects. The translation mechanism achieves automatic adjustment of appearance of the objects, the vacuum suckers achieve fixation of boxes and cases and facilitate high speed palletizing.

The invention relates to a device for detecting the performance of a high-speed heavy-load precision roller linear guide rail pair, belongs to the technical field relevant to guide rail detection, and particularly relates to a detection device taking temperature sensors, a noise sensor, a vibration sensor and a grating ruler as sensitive elements. In the device, a workbench is arranged on a frontleft slide block, a front right slide block, a rear left slide block and a rear right slide block through connecting screws; the front left slide block, the front right slide block, the rear left slide block and the rear right slide block are arranged on front and rear linear guide rails; the four slide block groups have the totally same structure; four temperature sensors are arranged in a frontleft slide block slipway; the vibration sensor is arranged on the flat surface of the front left slide block through a magnetic seat; and the sensors in the front right slide block, the rear left slide block and the rear right slide block and the magnetic seat are arranged in the totally same way as that in the front left slide block I. The device has the advantages of stable performance, high response speed, simple structure, flexible sensor installation, replacing of roller linear guide rails of different models and wide detection range.

The invention relates to an internal profile modeling tool apron which is used in a steel pipe flat-end-face chamfering device in a large-dimensional and straightly welded seam pipe production line and floats along the radial direction; the tool apron comprises a cutter head, of which the end face are symmetrically provided with four sliding base bodies along the radial direction; each sliding base body is provided with a floating tool apron by a connecting screw rod; a cutter is vertical to the side wall of a steel pipe and arranged on the outer end of the floating tool apron, namely, the end far from an axis; the rear part of the cutter is provided with screw threads which are connected with a cutter adjusting mechanism; the end faces and the middle part of the sliding base bodies are provided with a spring slots; a plurality of dish-shape springs are sheathed on the connecting screw rod and arranged in the spring slots; the outer end of the connecting screw rod is provided with a spring adjusting nut; floating stroke adjusting nuts are arranged on the connecting screw rod and at the inner end of the spring adjusting nut; a profile modeling rolling is arranged at the inner end of the floating tool apron and rolls against the interior wall of the steel pipe; the position of the cutter and the steel pipe wall are relatively fixed, thereby simultaneous penetration of four cutters on the cutter head, even turning, no easy collision of the cutters and high production efficiency are ensured. The invention also relates to an adjusting method of the cutters.

The invention relates to a board conveying mechanism, in particular to a board centering conveying mechanism and a board centering conveyor with the board centering conveying mechanism. The board centering conveying mechanism comprises four guide rail fixing rods, two guide rails, four sliding blocks, four connecting rods, a pull rod, a nut, a screw rod, a motor, centering pulley mounting bases, pulleys and sliding wheel shafts. According to the board centering conveying mechanism and the board centering conveyor with the board centering conveying mechanism, in the board conveying process, centering is carried out directly, the jacking step is omitted, and centering operation and time are effectively reduced.

The invention relates to a box-packed white wine automatic incasing machine which comprises a case conveying roller way, a machine frame, a box-packed white wine arraying mechanism, a horizontal-moving lifting system, a case propping mechanism, a gripper, a screw rod, a servo motor, two square guide rails and a box-packed white wine conveying chain plate. An incasing platform, the screw rod, the servo motor and the two square guide rails of the box-packed white wine arraying mechanism are respectively arranged on the machine frame. Four sliding blocks of the horizontal-moving lifting system are matched with the two square guide rails arranged at the upper end of the machine frame. One end of screw rod is connected with the servo motor, and a horizontal-moving lifting support of the horizontal-moving lifting system is arranged on the screw rod in a penetrating mode and fixed with the screw rod through a nut. The gripper is connected with the lower ends of two optical shafts of the horizontal-moving lifting system, and the box-packed white wine conveying chain plate and the case conveying roller way are fixed on the ground and matched with the box-packed white wine arraying mechanism, the horizontal-moving lifting system, the gripper and the case propping mechanism to achieve the function of box-packed white wine incasing. The box-packed white wine automatic incasing machine has the advantages of being wide in applicable white wine box type, accurate in incasing positioning, large in transport load, stable in performance and the like, and the difficult incasing problem which troubles the white wine industry for years is solved.

The invention discloses a reducing spray head for building 3D printing. The reducing spray head comprises a rotary shifting disc, a bottom plate, four linear guide rails, four sliding blocks and four right-angle moving sheets; when relative rotation occurs between the rotary shifting disc and the bottom plate, the rotary shifting disc drives four driving parts to rotate synchronously through four driving grooves, and then drives the four sliding blocks to synchronously slide along the four linear guide rails, and the four sliding blocks drive the four right-angle moving sheets to synchronously make relative movement, thereby changing the size of a square nozzle by changing relative positions of the four right-angle moving sheets in a printing process. A large-area region is printed, the size of the square nozzle can be enlarged and a discharge speed is raised, so that no repeated printing is required, the dwell time of the reducing spray head at such place is not required to be prolonged, and the printing efficiency is improved accordingly.

The invention relates to a method for realizing sliding control in terminal human-machine alternation. A sliding module judges data sent by a touch screen to determine control direction and area, so as to realize corresponding control operation. The control operation is corresponding to four directions including upwards sliding control, downwards sliding control, leftwards sliding control and rightwards sliding control, and the four sliding control operations can be registered to a sliding control module synchronously in each application. The method enriches the touch screen human-machine interaction modes and provides the condition for increasing new functions to terminal application software, and the method provides intuitive and fast effect which point touch operation can not compare with in specific terminal application.

The invention relates to a hydraulic connection operating platform of grounding wires, belonging to a machine tool for carrying out hydraulic connection on two electric grounding wires by using a crimping pipe. Two rails are erected on a platform base in parallel; two grounding wire support bases are arranged at the left side and the right side of the two rails by sliding blocks; a pair of hydraulic pliers are fixed in a fixed ring through a plurality of fastening bolts; the fixed ring is welded on a mounting plate; the mounting plate is arranged on the two rails through four sliding blocks arranged the lower part of the mounting plate; a stepping motor is arranged on the platform base; a ball screw is connected with the stepping motor through a shaft; the ball screw is arranged below the platform base through two sliding rail supports and spirally connected to a screw nut; and the screw nut is fixed on the bottom surface of the mounting plate. The hydraulic connection operating platform disclosed by the invention has the characteristics of simple structure, safety and reliability, controllable lapping length of the two grounding wires and high crimping efficiency.

The invention relates to a straightening mechanism on a wire drawing machine, particularly used for straightening a steel wire before the wire drawing machine draws the steel wire and belonging to the field of wire drawing in the production of metal products. The straightening mechanism is characterized in that a steering guide wheel shaft is arranged on a straighter baseplate and fixed with a bearing, a steering guide wheel is sleeved outside the bearing, a steering guide wheel cover covers the steering guide wheel, and then a transverse main plate and a vertical main plate are connected to the straighter baseplate by inside hexagonal bolts, ten straightening wheels and ten shafts are respectively arranged on the transverse main plate and the vertical main plate, wherein the ten shafts comprise four sliding shafts and six fixed shafts, the ten straightening wheels are respectively arranged on the four sliding shafts and the six fixed shafts, and a press plate and the transverse main plate are connected by inside hexagonal bolts. The invention is simple, compact and reasonable in structure; the regulation function is designed on the straightening wheels, which is convenient to regulate and straighten, has good straightening effect and can not influence next drawing.

The invention discloses a ball screw assembly precision retaining ability testing device. A motor and a gearbox are arranged on a head frame supporting plate. An output shaft of the gearbox is connected with a dynamic torque sensor. The dynamic torque sensor is connected with the tested ball screw assembly through a coupling. A circular magnetic grid is arranged on the coupling. The circular magnetic grid is connected with the tested ball screw assembly. The head portion and tail portion of the tested ball screw assembly are fixed in a supporting mode through a head frame and a tail frame. An eddy current brake is connected with the gearbox and is connected with a load component. The load component comprises two duplex pulley blocks, two duplex coiling blocks and three gears. Steel wire ropes on the coiling blocks transmit damping to the nut of the tested ball screw assembly through a nut supporting board. The supporting board is fixedly connected with the matched nut of the screw assembly. Four sliding blocks are arranged on the lower sides of the two sides of the supporting board and enable the supporting board to slide on a guild rail fixed on a bed body. A tail frame supporting board is arranged on a flat-V guide rail of the tail portion of the bed body. In work, the eddy current brake provides load, through adjusting the current value passing through eddy current brake, simulation of the ball screw assembly working condition can be achieved.

The invention relates to a non-cooperative target docking mechanism of a forked frame and solves the problem that during non-cooperative target docking in the prior art, no docking mechanism is capable of being docked with a spacecraft without standard docking ports. The non-cooperative target docking mechanism comprises a capture mechanism and a telescopic mechanism; the capture mechanism comprises a base, a bevel gear pair, a slide rail support, a first motor, an upper cover, a support, a first lead screw pair, three end gripper jaws, three first sliders, three first slide rails, three rotors and three four-connecting-rod mechanisms; the telescopic mechanism comprises a second motor, a second lead screw pair, an upper base, a lower base, four forked hinge supports and four slide components. The capture mechanism is disposed between the upper base and the lower base, the four-connecting-rod mechanisms penetrate the upper base, the end gripper jaws are arranged on the upper portion of the upper base, and the forked hinge supports and the slide components are circumferentially and uniformly distributed between the upper base and the lower base along the first lead screw pair. The non-cooperative target docking mechanism is applicable to docking of non-cooperative targets.

The invention provides a testing device for the radiation luminance gain of an ultraviolet image intensifier. The testing device comprises an optical platform and a guide rail arranged on the optical platform, wherein four sliding blocks are arranged on the guide rail, and a light source device, an integrating sphere, a testing dark box and a photometer are arranged on the four sliding blocks in sequence. The light source device emits ultraviolet light, the integrating sphere converts the ultraviolet light into uniform light, the tested image intensifier is arranged in the testing dark box, the uniform light irradiates the cathode surface of the image intensifier, and the photometer measures luminance of a fluorescent screen of the image intensifier; the set heights of the integrating sphere, the testing dark box and the photometer enable light in the testing dark box to be located in a straight line; the tested image intensifier is powered by an external power source. The testing device can detect the radiation luminance gain of the ultraviolet image intensifier, is simple in structure, and has significance on providing technical support for development of a novel detection imaging technology and offering help to the fields of power system detection, the space science and environmental protection research.

The invention discloses a paper currency box and a paper currency recognizer using the same. The paper currency box comprises a paper currency support plate assembly arranged in a box body; and the paper currency support plate assembly comprises a paper currency support plate, an elastic element, four sliding rails and four rollers, wherein the elastic element is used for supporting the paper currency support plate, the four sliding rails are symmetrically arranged on the inner wall of the box body at two sides of a box door and each sliding rail extends in the stacking direction of the paper currency, the four rollers are arranged on the paper currency support plate and respectively correspond to the four sliding rails one to one, and each roller can roll along the corresponding sliding rail respectively. The paper currency box provided by the invention has the characteristics of simplicity in structure and convenience for withdrawing the paper currency.

The invention relates to a pressure slide sleeve control type gas well continuous drainage gas production plunger piston. Grooves are uniformly distributed in the outer wall of a plunger piston body of a hollow structure; the outer wall of the plunger piston body is also provided with four plunger piston body in uniform distribution in the circumferential direction; the inner wall of the plunger piston body is provided with a groove; a slide sleeve and a spring are sequentially arranged in a hollow inner cavity of the plunger piston body in a sleeved way; the upper part of the slide sleeve isof a hollow structure and is provided with four slide sleeve radial through holes in the uniform distribution in the circumferential direction; the bottom of the slide sleeve is provided with an elastic jack catch; the upper end of the slide sleeve is connected with a fishing head through screw threads; the upper part of the fishing head is connected with the inside of a catcher body; one end of the spring is abutted against the lower end of the slide sleeve; and the other end of the spring is abutted against the upper end of a spring seat and is compressed in the inner cavity of the plunger piston body. The fast descending of the plunger piston in accumulated liquid can be realized through the opening of a passage in the plunger piston; the continuous production without well shut-in of the plunger piston drainage gas production is realized; different springs in the plunger piston can be replaced by aiming at the well status conditions of different wells; the liquid lifting quantity ofeach single work period with different caliber is controlled; the customization aiming at the plunger piston with different well status conditions is realized; and the optimum value of the work efficiency is reached.