78results about How to "Achieve length adjustment" patented technology

The invention belongs to the field of exoskeleton related technologies, and discloses a height-adjustable exoskeleton seat. The exoskeleton seat comprises a thigh and shank structure assembly and a sitting posture supporting assembly, wherein the thigh and shank structure assembly comprises a thigh structure assembly and a shank structure assembly which are connected rotatably; the length of the thigh structure assembly is changed by movement, the length of the shank structure assembly is changed by movement, and therefore, the height of the exoskeleton seat is adjusted; the sitting posture supporting assembly comprises a slide way baffle connected to the thigh structure assembly, an adjusting slider which is slidably connected to the slide way baffle, an upper supporting rod which is rotatably connected to the adjusting slider, a lower piston rod which is rotatably connected to the upper supporting rod and a supporting cylinder which is connected to the lower piston rod and the shankstructure assembly; and the supporting cylinder is used for driving the lower piston rod to move so as to drive the adjusting slider to slide along the slide way baffle, and thus, the sitting postureheight of the exoskeleton seat is adjusted. The height-adjustable exoskeleton seat is high in adaptability, high in flexibility and simple in structure.

The invention discloses a high-voltage transmission line deicer. The deicer comprises a mounting base, an upper mounting block and a lower mounting block, wherein two servo motors are mounted at the bottom of the upper mounting block, a driving wheel is fixed on an output shaft of the servo motor, two rotating shafts are rotatably arranged on the mounting base, an upper guide wheel in contact withan upper side of a power transmission line is fixed on each rotating shaft, a driven wheel is fixed on each upper guide wheel, the driving wheels and the driven wheels are arranged in a one-to-one correspondence mode and correspondingly connected through belts, a mounting plate is movably arranged above the lower mounting block, the mounting plate is connected with the lower mounting block through at least two telescopic driving devices, multiple sets of power transmission line deicing knives are fixed to the bottom of the upper mounting block and the top of the mounting plate respectively, two mounting frames are fixed to the top of the mounting plate, and lower guide wheels making contact with a lower side of the power transmission line are rotationally arranged at top ends of the mounting frames respectively. The deicer has advantages of low cost and simple structure.

The invention provides a conveying line structure and a conveying mechanism with same. The conveying line structure comprises a supporting frame, a driving roller connected with the supporting frame,a driven roller connected with the supporting frame, and a conveying belt arranged on the driving roller and the driven roller in a sleeving manner, wherein the conveying belt conveys products in a first preset direction under the action of the driving roller and the driven roller; and the driving roller and the driven roller are arranged in a position adjustable manner in the first preset direction relative to the supporting frame. The conveying line structure solves the problems that in the prior art, the length adjusting range of a conveying belt is small, and the position of the conveyingbelt cannot be adjusted.

The invention discloses a spacing adjustment type nonferrous metal hot rolling and cooling mechanism. The spacing adjustment type nonferrous metal hot rolling and cooling mechanism comprises a positioning bracket, a locking bracket and a cooling adjustment mechanism; the mechanism realizes the adjustment of the lengths of cooling rollers, each of an upper cooling roller and a lower cooling rolleris provided with a left roller and a right roller that are connected end to end, telescopic corrugated pipes are mounted in the middles of parts between the left rollers and the right rollers in a communication manner, and the left rollers communicate with the right rollers through the telescopic corrugated pipes, in this way, a driving rod rotates on the locking bracket to drive a moving bracketto move to further drive the right rollers to expand and contract, and the sliding smoothness and the structure stability of the right rollers are improved by movable guide rods and positioning guidecolumns that are mounted on the relative inner sides of the upper parts and the lower parts of the left rollers and the right rollers.

The invention discloses a logistics manipulator device. The logistics manipulator device comprises a fixed plate, a telescopic cylinder and a mounting plate; the telescopic cylinder comprises a vertical cylinder, an inserting rod, a guide base, a motor base, first servo motors and an annular fixed block; the left side outer wall and the right side outer wall of the annular fixed block are each fixedly provided with a connecting lug, output shafts of the first servo motors are connected with vertical screws through first couplers, the vertical screws penetrate the corresponding connecting lugsand are in sliding fit connection with the corresponding connecting lugs through threads, a fixed gripper is fixed to the bottom of the mounting plate, a left end plate and a right end plate are symmetrically and fixedly arranged at the position, located on the right side of the fixed gripper, of the bottom of the mounting plate, a guide transverse rod is fixedly arranged between the left end plate and the right end plate, and is sleeved with a sliding base in a sliding manner, the bottom of the sliding base is connected with a movable gripper through a connecting plate, a seat plate is fixedly arranged at the position, on the right side of the right end plate, of the bottom of the mounting plate, and an automatic pushing device is fixedly arranged between the seat plate and the connectingplate. The beneficial effect of being adjustable in length is achieved.

The invention discloses a multifunctional reversed V-shaped lifting pole for extra-high voltage iron tower assembling and erection, and belongs to the field of extra-high voltage power transmission line pole tower assembling and erection construction. A traditional reversed V-shaped lifting pole is single in function, a base is unstable, and complicated braking measures need to be set when the traditional reversed V-shaped lifting pole is erected. The lifting pole comprises a reversed V-shaped lifting pole body and a pulley block, two bar-shaped lifting pole main bodies are connected to form the reversed V-shaped lifting pole body, the pulley block is arranged at the top end of the lifting pole body, the lower end of the lifting pole body is hinged to a lifting pole base through a hingingplate, and the top ends of the two lifting pole main bodies are connected through a connector. A connecting structure of the base is firmer, the reversed V-shaped lifting pole serves as a suspension lifting pole, an erection function of the lifting pole is achieved by the aid of a rotatable hinging structure, lifting of tower materials is facilitated by the aid of the pulley block, the lengths ofthe lifting pole main bodies are adjusted to adapt to assembling and erection of different heights and lifting of the tower materials, structural strength is enhanced, erection of the suspension lifting pole and lifting of the tower materials are conveniently achieved, the length of the lifting pole is adjusted, and the lifting pole is simple to manufacture and convenient to use.

The invention relates to the field of cable insulation pipe production equipment, in particular to a fixed-length cutting device used for the production of cable insulation pipes. The fixed-length cutting device includes a base on which a feeding mechanism for conveying the cable insulation pipes is arranged, a worktable is fixed to the base, a rack is arranged on the worktable, a cutter is fixedto one end, facing the feeding mechanism, of the rack, one end, far away from the cutter, of the rack is in transmission connection with a drive mechanism, a first rotating shaft is rotationally connected to a fixed shaft of the worktable, the first rotating shaft is fixedly connected with the center of an inner ring of a ratchet, the rack is meshed and connected with an outer ring of the ratchet,a transmission mechanism with adjustable transmission ratio is arranged on the worktable, and the ratchet can be intermittently connected with the feeding mechanism through the transmission mechanism. The fixed-length cutting device for the production of the cable insulation pipes has simple equipment structure, reduces equipment investment costs, is easy to manage, has higher matching and working stability, and is convenient for length adjustment in fixed-length cutting of the cable insulation pipes.

The rod (6) has connecting tips (60, 62) connected with articulations, where one of the tips is secured to a longitudinal bar. The other tip includes a bar clamping unit accessible from a side of the rod. A separation unit (64) separates the tips along a longitudinal axis (X6) of the rod. The separation unit comprises a stirrup (640) on inclined surfaces (612, 630) included in a plane (P6) perpendicular to axes (X3, X4) of the articulations and inclined relative to the longitudinal axis. The stirrup is moved along direction perpendicular to another plane (P34) containing the articulation axes.

The invention relates to the technical field of medical nursing equipment, and discloses an auxiliary walking bracket for a rehabilitation department. The bracket comprises a walking frame lower box,wherein the inner portion of the walking frame lower box movably sleeves a moving rod, one end of the moving rod is fixedly provided with a moving block I located in the walking frame lower box, one side of the bottom end of the moving block I is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with one side of the outer wall of a moving cover, the innerportion of the moving cover movably sleeves a bracket body, one side of the moving cover is fixedly provided with the bracket body located at one side of an inner cavity of the waling frame lower box,and the inner portion of the bracket body movably sleeves a rotating shaft. The auxiliary walking bracket for the rehabilitation department has the advantages that the arrangement of the walking frame lower box, moving rod, moving block I, connecting rod, moving cover and bracket body can achieve the height adjustment of the moving rod; it is ensured that the stable running of the moving rod is ensured after the height is adjusted, so that the purpose of adjusting the height of the waking bracket is achieved, and the practicality of the walking frame is improved.

According to the technical scheme, the intelligent stacking robot is characterized in that the intelligent stacking robot comprises a machine base, a vertical plate is installed on the machine base, a first servo motor is installed on the machine base, the first servo motor is connected with a lifting plate through a lead screw, and a telescopic cylinder and a telescopic plate are arranged at the end of the lifting plate; a second servo motor is installed on the telescopic plate, a rotating plate is connected to the output end of the second servo motor, a cross rod is installed at the bottom of the rotating plate, and clamping plates are connected to the two ends of the bottom of the cross rod. The system is controlled and adjusted through the control module, the alarm module is arranged to give an alarm during operation, the detection module is arranged to detect the position, accurate storage is facilitated, and the communication module is arranged to achieve remote control and adjustment.

The invention relates to the technical field of cooking appliances, in particular to a support assembly and a steaming rack for the cooking appliances. The support assembly comprises a basic support and an adjustable support which can be matched with the basic support. At least two first connection structures are arranged on the basic support. At least two second connection structures are arrangedon the adjustable support. The structures on the adjustable support can be matched with the different first connection structures. At the same time, the structures on the basic support are correspondingly matched with the different second connection structures to adjust the relative position of the basic support and the adjustable support. The basic support and the adjustable support are connected through two connection portions of the first connection structures and the second connection structures. The connection strength is relatively high, and the connection is relatively reliable.

The invention discloses an outer fixing frame experiment table capable of detecting the axial stress condition of a skeleton, and the outer fixing frame experiment table comprises a Taylor outer fixing frame, a pressurization mechanism, a rack, a skeleton model, an upper skeleton fixing part and a lower skeleton fixing part, the pressurization mechanism is fixed on the rack, and the output end ofthe pressurization mechanism is connected with the upper end of the skeleton model through the upper skeleton fixing part. The lower end of the skeleton model is fixed to the rack through the lower skeleton fixing part, and the Taylor outer fixing frame is fixed to the outer side of the skeleton model and fixed to the skeleton model through a steel needle. According to the device, the healing process of the broken bone under the condition that the Taylor outer fixing frame is installed can be simulated in a laboratory environment, the stress condition of each connecting rod of the external fixing frame when axial force is applied to the broken bone in the healing process is detected, and axial mechanical monitoring of the healing process of the bone provided with the Taylor outer fixing frame is achieved in the laboratory environment.

The invention discloses a multistage gas target system suitable for 10GeV electron acceleration. The system comprises a plurality of gas target units, an interstage connecting device, a gas target adjusting device and the like. According to the invention, a multi-stage gas target scheme with three or more stages is provided for the first time, the length and the longitudinal density distribution curve of the gas target are effectively regulated and controlled, long-distance acceleration of the electron beam is realized, and the energy of the electron beam is increased to 10GeV or more. The invention provides a feasible gas target implementation scheme for breaking through 10GeV energy challenge in laser-driven tail field acceleration research, and the gas target implementation scheme can be technically realized through a multi-stage gas box or a capillary tube.

The invention discloses a telescopic tunnel steel arch frame, which belongs to the technical field of steel arch frames in a tunnel supporting system. According to the technical scheme adopted by theinvention, the key point is that the telescopic tunnel steel arch frame comprises an upper arch frame and a lower arch frame, wherein a connecting device for connecting the upper arch frame to the lower arch frame is arranged between the upper arch frame and the lower arch frame; the connecting device comprises an upper connecting bottom plate fixedly connected onto the upper arch frame and a lower connecting bottom plate fixedly connected onto the lower arch frame; and a telescopic device is arranged between the upper connecting bottom plate and the lower connecting bottom plate. The telescopic tunnel steel arch frame has a deformation function and a load regulation function through the telescopic device.

The invention discloses an amygdalus persica branch pruning device, a pruning method and a tractor having the amygdalus persica branch pruning device. The amygdalus persica branch pruning device comprises a supporting assembly, a branch pruning assembly and a control assembly, wherein the branch pruning assembly comprises a first driving motor, an expanding and contracting stringer, a second driving motor, an assembling beam and a branch pruning mechanism; the bottom of the expanding and contracting stringer is hinged to the supporting assembly through the first driving motor; the first driving motor is in transmission connection with the expanding and contracting stringer; the assembling beam is hinged to the top of the expanding and contracting stringer through the second driving motor;the second driving motor is in transmission connection with the assembling beam; the branch pruning mechanism is fixed to the assembling beam; and the control assembly is arranged on the supporting assembly, and is electrically connected with the first driving motor, the expanding and contracting stringer and the second driving motor. The amygdalus persica branch pruning device disclosed by the invention is simple in structure, reasonable in design, convenient to operate, labor-saving, high in automation degree, wide in application range, high in security coefficient, high in pruning working efficiency and good in pruning effects.

The invention discloses a novel ship binding locking structure, and relates to the technical field of ship binding locking, the novel ship binding locking structure comprises an arc-shaped plate, a first shackle, a second shackle and a chain ring group, the first shackle and the second shackle are respectively parallel to the left end and the right end of the arc-shaped plate, and the first shackle and the second shackle are parallel to the left end and the right end of the arc-shaped plate; the two chain ring sets are symmetrically arranged between the first hook ring and the arc-shaped plate and between the second hook ring and the arc-shaped plate respectively. The chain ring set comprises a left chain ring, a middle chain ring and a right chain ring, sleeves are horizontally fixed to the center of the right end of the left chain ring and the center of the right end of the middle chain ring, the interiors of the sleeves are of a threaded structure, and threaded shafts are horizontally fixed to the center of the left end of the middle chain ring and the center of the left end of the right chain ring. The tail end of the threaded shaft is screwed into the sleeve to enable the left chain ring and the right chain ring to be in threaded connection with the two sides of the middle chain ring correspondingly, and a round rod is horizontally fixed to the center of the left end of the left chain ring; the novel ship binding locking structure has the beneficial effects that the length of the chain is adjusted, and the connectivity between the shackles is enhanced.