28results about How to "Simple and durable structure" patented technology

The invention provides a multi-degree-of-freedom active electromagnetic vibration isolator and a vibration isolation system, an end cover assembly of the vibration isolator comprises a central iron core wound with a central coil and a top plate, the central iron core is arranged on the top plate, a horizontal electromagnetic force assembly comprises a plurality of armatures wound with outer coils and first height adjusting cushion blocks, the armatures are arranged on a base through the first height adjusting cushion blocks, and the armatures are arranged on the base through the first height adjusting cushion blocks. All the armatures are arranged around the central axis of the end cover assembly, the included angle between every two adjacent armatures is 90 degrees, and the end faces of the armatures all face the central axis of the end cover assembly. The vertical electromagnetic force assembly comprises a plurality of magnetic conduction pieces and second height adjusting cushion blocks, permanent magnets are embedded in the inner sides of the magnetic conduction pieces, the magnetic conduction pieces are arranged on the base through the second height adjusting cushion blocks, all the magnetic conduction pieces are arranged around the center axis of the end cover assembly, and the included angle between every two adjacent magnetic conduction pieces is 90 degrees. The active vibration isolation force is adjusted by means of control currents in all coils in the electromagnetic assembly, vibration generated by large power equipment can be effectively restrained, and the multi-degree-of-freedom vibration isolation device is suitable for a multi-degree-of-freedom vibration isolation system with different requirements for the vibration isolation effect.

The utility model provides a square column-wrapped precast slab structure with a variable section, which comprises a corner precast slab, one end of the corner precast slab is connected with a variable precast slab, and the other end of the corner precast slab is connected with a first middle precast slab or a second middle precast slab; the corner prefabricated plate is connected with the variable prefabricated plate through a buckle, the corner prefabricated plate is connected with the first middle prefabricated plate through a buckle, and the corner prefabricated plate is connected with the second middle prefabricated plate through a buckle. The first middle prefabricated plate and the second middle prefabricated plate are matched through mortises and tenons and are fixed through mortise and tenon bolts. By changing the number of the variable prefabricated plates, the cross section of the square column-wrapped prefabricated slab structure can be changed, so that the effect of variable cross section is achieved; in addition, the buckle type groove structure is used for connection, the strength is high, assembling and disassembling are convenient, and the manufacturing cost is low; the first middle prefabricated plate and the second middle prefabricated plate are connected through the mortise and tenon joint structure, and mold disassembly and concrete prefabricated block demolding and assembling are facilitated.

The invention relates to the technical field of measuring rulers, and provides an integrated lower limb girth standard measuring ruler, which comprises a measuring arm, one end of the measuring arm is fixedly connected with an insertion shell, the outer wall of the insertion shell is fixedly connected with a fixed semi-ring, one end of the fixed semi-ring is rotatably connected with a movable semi-ring, the movable semi-ring is arranged in the insertion shell, and the insertion shell is fixedly connected with the fixed semi-ring. The inner wall of the plugging shell is connected with a fixed plate through an elastic assembly, the outer wall of the fixed plate is connected with the outer walls of the movable semi-rings through a limiting assembly, the inner wall of the plugging shell is provided with a guide assembly, the outer wall of one end of the measuring arm is provided with an alignment line, and the close sides of the two movable semi-rings are provided with scale lines. Positioning is convenient and accurate, two-leg measurement can be completed within half a minute through three-step operation, data stability is guaranteed through a fixing structure, and comparison is convenient. The inner soft cushion protects the skin, is free of electronic elements, durable in structure, low in cost and suitable for high-frequency use of multiple departments such as traditional Chinese medicine rehabilitation, blood vessels and the orthopedics department.

The application relates to a detachable built-in filter cartridge with filter material convenient to replace, belonging to the technical field of fluid filtration, which comprises a filter cartridge body and a filter cylinder body, a filter cartridge top seat and a filter cartridge bottom seat are fixedly arranged at the upper end and the lower end of the filter cartridge body respectively, the filter cylinder bottom seat and the filter cartridge bottom seat are matched through a rotating clamping structure, a filter cylinder cover is rotatably clamped at the top of the filter cartridge top seat, and a filter cartridge discharge port is arranged at the bottom of the filter cartridge bottom seat. The filter cartridge top seat is provided with a first locking ring with a first protrusion, the filter cartridge bottom seat is provided with a second protrusion, and the first locking ring and the second protrusion are matched with corresponding circular sliding grooves and protrusions respectively to realize quick dismounting and positioning. Equal-diameter circular filter holes are arranged in the circumferential array outside the filter cylinder body, and filter cloth is sewn on the inner wall of the filter cartridge body to realize filtration. The detachable structure is adopted, the problem that filter material of a traditional integrated filter cartridge cannot be replaced and maintained is solved, the detachable filter cartridge has the characteristics of convenient dismounting and assembling, stable assembly, uniform liquid inlet filtration, good dustproof effect of the top, effectively reduced use and maintenance costs, and is suitable for various fluid filtration working conditions and has high practicability.

The utility model discloses a magnetic adsorbable and storable electric wire cable, which comprises a wire rod main body, the wire rod body comprises a wire core, a protective layer wrapping the periphery of the wire core, a first soft magnet which is located on one side of the protective layer and has magnetic force to achieve magnetic absorption, and a second soft magnet which is located on the other side of the protective layer and has magnetic force to achieve magnetic absorption. According to the utility model, the two sides of the protective layer are respectively provided with the first soft magnet and the second soft magnet, so that the problems that a traditional wire is easy to knot and wind, is not easy to arrange and is not portable can be effectively solved and improved, rapid arrangement and automatic adsorption can be realized through magnetic force, the length can be adjusted, manual wire binding and length adjustment for storage are not needed, and the production management is convenient; and the production cost is reasonable, the magnetism cannot be reduced after long-time use after magnetizing, the magnetic attraction function cannot be lost even if part of the magnetic attraction device is abraded to a certain degree through the integrated extrusion or bonding forming mode, and the magnetic attraction device is suitable for various different working scenes.

The utility model relates to the technical field of digital power regulators, in particular to a digital power regulator convenient for disconnecting and connecting a cable, which comprises a shell, an adjusting assembly arranged in the shell and a cover plate covering the top of the shell, the cover plate comprises detachable plate blocks detachably installed on the two sides of the top of the shell and a control plate block clamped to the top of the cover plate and located between the two detachable plate blocks, the control plate block is electrically connected with the adjusting assembly, and wiring holes are formed in one set of opposite side walls of the shell. The two detachable plates are movably installed on the two sides, corresponding to the position of the wiring hole, of the top of the shell, connecting structures used for installing the detachable plates are arranged at the positions where the shell and the detachable plates are connected, and due to the three-section type structural design, only the plates located on the two sides need to be detached, detachment is convenient, wiring can be conducted inside, convenience is enough, and time and labor are saved; the use limitation is reduced and the practicability is high.

The application provides a single-column shock-absorbing signboard support and a use method thereof, and belongs to the technical field of municipal engineering; the signboard support comprises a stand column, a base is arranged at the bottom end of the stand column, a signboard panel is arranged at the top end of the stand column, the stand column comprises a movable pipe and a fixed pipe arranged coaxially, the bottom end of the movable pipe is inserted into the inside of the top end of the fixed pipe in an axially rotatable manner, the movable pipe and the fixed pipe overlap in the axial direction and form a damping energy dissipation section; the damping energy dissipation section is provided with a friction damping piece, a pre-tightening adjusting mechanism and a shear pin; the friction damping piece is attached to the outer wall of the movable pipe; the pre-tightening adjusting mechanism is arranged on the fixed pipe, and the inner end of the pre-tightening adjusting mechanism abuts against the friction damping piece; and the shear pin is inserted into the damping energy dissipation section in a radial direction. The shear pin can meet the use requirements of the signboard support under normal working conditions and working conditions with excessive load, so that the signboard panel and the stand column can be effectively prevented from being damaged or overturned; and the pre-tightening adjusting mechanism can meet the requirements of dissipating earthquake and wind-induced energy under different working conditions.

The utility model discloses an isokinetic sampling cup vacuum seal cover with press type exhaust device, including the cover body main part, the cover body main part adopts the cylindrical structure that is matched with isokinetic sampling cup top opening, the inside of cover body main part is equipped with the mounting hole, the top of cover body main part is conically arranged, the top of cover body main part is equipped with the recess, the inner wall of recess is connected with press button slidingly, the bottom of press button is connected with exhaust valve core, the bottom of exhaust valve core and the inner wall of mounting hole are contacted. The utility model, through setting up pressable exhaust structure at the top of vacuum cover, when generating negative pressure in the pipeline, just need to press exhaust structure simply to balance the pressure of both ends of cover body, and the operator does not need to help extra tool, and easily can pull open vacuum cover, greatly simplifies the operation process, and improved the operation efficiency of on-line particle monitoring system.

The utility model discloses a sitting posture corrector which comprises a base plate, a connecting part and a supporting part, one side of the base plate is provided with a table edge part, the table edge part is provided with an inserting hole allowing the connecting part to be inserted, one end of the connecting part is connected with the base plate through a magnetic attraction assembly or a mechanical connecting assembly, and the other end of the connecting part is connected with the supporting part. The supporting part is used for supporting a human body in front. One end of the connecting part is connected with the base plate through the magnetic attraction assembly or the mechanical connecting assembly, switching between the use state and the hidden state of the supporting part is achieved in a pluggable mode, the structure is simple and durable, and operation is convenient and fast.

The utility model relates to the field of luggage accessories, concretely relates to a combined USB base, including bottom base and protruding seat, the bottom base bottom is equipped with the openwork, the protruding seat is formed from the openwork vertical extension, its top is equipped with the USB plug -pull opening, still include the hidden frame, the hidden frame is the hollow square ring structure, is equipped with in the protruding seat outside and can axial slip, the protruding seat outside is equipped with the annular limiting flange that limits the hidden frame and moves up, through the hidden frame structure of axial slip, after the completion of the sewing, completely covers the seam line of bottom base and fabric, realizes "invisibility" installation effect.

The whole-course hovering assisting hinge comprises a fixing base and a swing arm groove plate, a spring assembly used for applying force to whole-course opening and closing of a door body is installed on the fixing base, and a variable elastic force adjusting mechanism used for adjusting elastic force output of the spring assembly is arranged between the fixing base and the swing arm groove plate. The variable elastic force adjusting mechanism adjusts the elastic deformation length of the spring assembly in the opening and closing process of the door body, the change value of the torque in the opening and closing process of the door body is equal to the elastic force change value of the spring assembly, and the closing torque of the spring assembly and the door body is a relatively constant value; the elastic force change of the spring assembly can follow the change of the moment of force of the door body, the stable constant value state of the resultant moment is achieved, the hinge is simple and durable in structure and high in practicability and universality, and the hinge is suitable for hinge joint of an upturning door freezer and can also be used for an appliance capable of being turned and closed at will, and good market popularization is achieved.

The utility model discloses a switch machine transfer tool which comprises four lifting handles, a supporting frame and four lifting rods, each lifting handle is provided with a handle section and a limiting section which are connected, and the supporting frame is formed by fixedly connecting an upper-layer rectangular frame and a lower-layer rectangular frame through four connecting rods. The four right-angle portions of the upper-layer rectangular frame are each fixedly connected with a right triangle reinforcing plate, and each reinforcing plate is provided with a vertically-through positioning hole. The lifting rod comprises a holding pipe and a fixing rod, the fixing rod is formed by vertically connecting a connecting section and a fixing section and is in an L shape, the connecting section is detachably connected with one end of the holding pipe, a handle section and a limiting section of the lifting handle are also vertically connected into an L shape, and the handle section is detachably connected with the other end of the holding pipe. The diameter of the fixing section is smaller than the diameter of the positioning hole and the diameter of the point switch bottom hole so that the fixing section can penetrate through the positioning hole and the point switch bottom hole at the same time, and a fixing piece is detachably installed on the fixing section and used for fixing the point switch to the supporting frame. The utility model has the advantage that the switch machine is convenient and safe to rotate.

The utility model discloses a kind of capillary chromatographic column synchronous filling instruments, it is related to chromatography technical field, capillary chromatographic column synchronous filling instrument includes: filling module and chromatographic column connector assembly, filling module is equipped with filler mouth, pressure supply interface and chromatographic column interface;Wherein, chromatographic column interface includes connecting mouth section and sealing mouth section, the inner diameter of connecting mouth section is greater than the inner diameter of sealing mouth section to form step surface at the connecting place of connecting mouth section and sealing mouth section, fixed joint includes threaded connection part and conical sealing part, threaded connection part is connected with connecting mouth section by screw thread, at least part of conical sealing part extends into sealing mouth section and conical sealing part is pressed on the inner peripheral edge of step surface.According to the capillary chromatographic column synchronous filling instrument of the utility model, long-term stable dynamic sealing can be realized under high pressure, the risk of liquid leakage is eliminated, the structure is simple and durable, the use of parts is reduced, assembly is simple, cost is reduced, and the use range is wider.

The invention relates to an overhead line hot-line work robot synchronous belt on-line device and system.The device comprises a plurality of lifting hooks, a synchronous belt, on-line driving mechanisms and a connecting rod, lifting hook driving mechanisms corresponding to the lifting hooks in number are arranged on the connecting rod, and the lifting hooks are correspondingly arranged at the driving ends of the lifting hook driving mechanisms; one ends of the synchronous belts are connected with the corresponding positions of the two sides of the connecting rod, and the line feeding driving mechanisms are installed on the operation robot and are in transmission connection with the corresponding synchronous belts. The device can be conveniently hung on a working overhead cable through the lifting hook, the whole device and the working robot are driven by the wire feeding driving mechanism to do lifting motion together, automatic wire feeding of the synchronous belt is achieved, and the device is more portable, small in size and convenient to use. On-line operation can be automatically completed only by hanging a lifting hook on an aerial cable through an unmanned aerial vehicle or an insulating rod, potential safety hazards are reduced, the structure is simple and durable, the device can be applied to various complex terrains, and robot on-line operation is not limited by terrains and environments any more.

The utility model relates to a split washer mounting device which comprises a main body, one end of the main body is provided with a clamping part used for clamping a split washer, the main body is provided with a guide groove, the guide groove is communicated with the clamping part, the guide groove is filled with a medium which adsorbs the split washer through viscosity, and the main body is provided with an opening. And the split washer arranged in the clamping part is adsorbed and adhered by utilizing the viscosity of the medium. According to the split washer clamping device, the split washer arranged in the clamping part is adsorbed by a medium, so that the device can be suitable for split washers made of any material, is not limited by the material of the split washer, and is higher in universality.

The utility model relates to the field of low-voltage power distribution systems, aims to solve the problems of complicated operation, high repair cost, difficulty in maintenance, short service life, unattractiveness, nonstandardization, high labor cost, long construction period and high safety risk in the prior art, and provides a high-strength cable bridge cover plate fixing device convenient to install, which comprises an L-shaped upper caliper and an L-shaped lower caliper, the upper caliper and the lower caliper are symmetrically distributed, and a long plate of the upper caliper and a long plate of the lower caliper are in lap joint in a sliding mode. A locking assembly used for locking the upper caliper and the lower caliper is arranged on the side, away from the upper caliper, of the lower caliper. An abutting assembly used for abutting against the bridge cover plate is arranged on the side, away from the lower caliper, of the upper caliper, and the abutting assembly is perpendicularly connected to the upper caliper and the lower caliper in a rotatable telescopic mode. The utility model has the beneficial effects of light weight, high strength, convenient installation and disassembly, simple and durable structure, low price, prolonged service life of the bridge, elimination of potential safety hazards, standard and beautiful bridge, low maintenance cost, and high cable maintenance and laying efficiency.

This utility model discloses a tapping fixture for threaded holes in large high-strength steel components, comprising: a rod-shaped component with a square column at one end for connecting a tapping machine, and a cylinder and a hexagonal head at the end of the cylinder at the other end; a cylindrical component including a cylindrical part and a cylindrical part welded together; the cylindrical part having a square inner hole for mounting a tap; the cylindrical part having a semi-closed hexagonal hole matching the hexagonal head and a through hole with clearance fit to the cylinder; wherein, the hexagonal head and the semi-closed hexagonal hole, and the cylinder and the through hole, are all large clearance fits, realizing circumferential limiting and axial floating connection between the rod-shaped component and the cylindrical component. The two parts of this utility model fixture are flexibly connected, transmitting unidirectional torque, improving the perpendicularity of the threaded hole, solving the problems of poor perpendicularity and high risk of tap breakage in the machining of threaded holes in large components, significantly improving machining efficiency and reducing costs.

The present invention discloses an anti-mixing flow temperature control thrust structure for a hot water storage tank, which belongs to the technical field of thrust structures, and includes a thrust body, a baffle, a thrust rod, a piston connected to the thrust rod, and the thrust body is a regular columnar structure. The thrust body has a first channel and a second channel interconnected therein, the cross-sectional area of ​​the first channel is 25-30 times the cross-sectional area of ​​the second channel, and the length of the second channel is 4-6 times the first channel; the piston is arranged in the second channel, and the piston divides the space connecting the first channel and the second channel into a pneumatic cavity and a push rod cavity, and the pneumatic cavity is filled with thrust gas, and the thrust gas is used to increase or decrease the volume when the temperature changes so that the thrust rod moves in the second channel. This scheme achieves the effect of preventing the mixing of cold and hot water through the design of the anti-mixing flow temperature control thrust structure, thereby preventing the water temperature from fluctuating when the hot water storage tank is discharged.

The invention discloses a new energy differential motor and a new energy electric vehicle. The new energy differential motor comprises a shell; the left half shaft is connected to the left side of the shell, and one end of the left half shaft is connected with a vehicle left half shaft; and the right half shaft is connected to the right side of the shell, and one end of the right half shaft is connected with a right half shaft of a vehicle. The rotor rotates through the rotating magnetic field, so that the left half shaft and the right half shaft are driven to rotate, the left half shaft and the right half shaft transmit rotating force to the left side and the right side of a vehicle, the left half shaft and the right half shaft are connected through the first bearing and the second bearing, and it is ensured that the left half shaft and the right half shaft can rotate synchronously or asynchronously; the stability of the left half shaft and the right half shaft is ensured, meanwhile, the low-speed alternating-current variable-frequency motor can work at different rotating speeds, and the low-speed alternating-current variable-frequency motor has the advantages that the low-speed alternating-current variable-frequency motor can adapt to different speed requirements without a traditional gearbox, so that the overall efficiency and the energy-saving effect are improved.

The application discloses a kind of anti-rebound mechanisms for blasting door opening, including base, shell, locking rotary arm, reset mechanism, unlocking mechanism and stopper;Shell is fixedly installed on base;Locking rotary arm is rotatably installed on shell by a rotating shaft;Reset mechanism is arranged between shell and locking rotary arm, for providing elastic reset force to locking rotary arm so that it has a tendency to rotate towards the locking position;Unlocking mechanism includes electromagnet and connecting head, electromagnet is fixedly installed on base, connecting head one end is fixedly connected on locking rotary arm, the other end is drivingly connected with the core of electromagnet;Stopper is fixedly connected on blasting door.Wherein, the locking rotary arm has a locking position in the reset mechanism drive and embedded with stopper to prevent the rebound of blasting door, and an unlocking position in the electromagnet drive and separated from stopper by overcoming the reset force of reset mechanism.The application can realize reliable locking and quick unlocking, simple and durable structure, easy to install and maintain.

A lithium battery working lamp assembly comprises a table lamp assembly and a lithium battery working lamp. The table lamp assembly comprises a supporting base, a framework, a lampshade and a light scattering disc. The supporting base and the framework are each provided with a hollow structure penetrating in the axial direction, the bottom end of the framework is detachably connected with the supporting base, the upper portion of the framework is sleeved with the lampshade, and the light scattering disc is arranged at the top of the lampshade. The lithium battery working lamp comprises a lamp cap and a lamp holder, the lamp cap is pivoted with the lamp holder and can be selectively and detachably connected with the supporting seat, a self-locking structure is arranged between the lamp cap and the lamp holder, the self-locking structure is used for positioning the lamp cap at multiple different rotating positions, and the multiple different rotating positions comprise the vertical position; when the lamp cap is connected with the supporting base, light beams emitted by the lamp cap are diffused by the light diffusion disc. The lithium battery working lamp not only can be used as a common lithium battery working lamp to meet the requirement of direct illumination, but also can be used as a table lamp to meet the requirement of scattering illumination, and is flexible to use and simple in structure.

The invention discloses an MEMS universal rotating micromirror based on three-point electric field driving and a manufacturing method of the MEMS universal rotating micromirror. The micro-mirror mainly comprises a micro-lens, a three-point electric field driving system, a universal spherical hinge structure and a base. The micro-lens is connected to the base through the universal spherical hinge, and has high-precision rotation capability. The three-point electric field driving system is composed of three independent electric field driving units which are arranged at different positions below the micro-lens respectively so as to achieve multi-axis control over the micro-lens and accurate rotation in any direction. And the driving unit interacts with the micro-lens through electric field distribution force, so that universal rotation of the micro-lens is realized. The design has the advantages of simple structure, accurate control, high response speed and the like. The manufacturing method comprises a micromachining technical step to ensure the optical flatness of the micro-lens and the reliability of the driving system. The micromirror is widely applied to the fields of optical imaging, laser scanning, optical communication and the like.

The utility model relates to an all-aluminum brush disc lifting mechanism of a scrubber, which aims to solve the technical problem that a lifting structure and a driving structure of a current disc brush assembly are pushed and squeezed and are inconvenient to maintain, and comprises a brush disc cover and a motor mounting seat, and the top of the brush disc cover is fixedly connected with two supporting arms in a symmetrical structure; at least one set of transverse frame is arranged between the two supporting arms, the terminals of the supporting arms are movably connected with the bottom of the floor washing machine through sliding assemblies, the motor mounting base is transversely and fixedly arranged at the bottom of the floor washing machine, a servo motor is fixedly arranged on the motor mounting base, and a lifting assembly is arranged at the output end of the servo motor. The adjusting end of the lifting assembly is fixedly connected with the terminal of the supporting arm. Different from a vertical lifting structure of a scrubber brush disc in the prior art, the vertical lifting adjustment of the brush disc assembly is driven by the horizontal lifting structure, the difficulty and the number of structural arrangement in the vertical direction are reduced, and the service life is longer due to the lightweight design of a cast aluminum structure.

This utility model discloses a highly stable side-sweeping bracket for a rolling mill, comprising a base, a support bracket assembly, and a side-sweeping bracket assembly. The support bracket assembly is mounted on the base, and the side-sweeping bracket assembly is installed within the support bracket assembly. The side-sweeping bracket assembly includes a bakelite board, a first side plate, and a second side plate. Two first side plates are positioned on the left and right sides of two second side plates, forming a rectangle. The sides of the first side plates have strip-shaped holes through which they are mounted on the support bracket assembly. The bakelite board is mounted above the first and second side plates. This side-sweeping bracket exhibits high stability and versatility. Its modular design allows for flexible adaptation to different specifications of steel strips through adjustable locking bolts and strip-shaped holes. The multi-support rod structure of the base and the rectangular frame enhance vibration resistance.

The utility model discloses a five-axis numerical control tool sharpener structure which comprises a machine frame, a C-axis linear guide rail extending in the left-right direction is installed on the top of the left side of the machine frame, a spindle box module is installed on a sliding block on the top of the C-axis linear guide rail, and a C-axis servo motor is installed on the left side of the machine frame. A motor shaft of the C-axis servo motor is connected with a C-axis ball screw through a first coupler, a C-axis nut seat in threaded connection with the C-axis ball screw is arranged at the bottom of the spindle box module, the spindle box module comprises a spindle box, a spindle is installed on the spindle box, a grinding wheel disc is installed at the right end of the spindle, and a grinding wheel is installed at the right end of the grinding wheel disc. A grinding wheel is installed on the grinding wheel disc, an inclined rail workbench base is installed on the top of the right side of the rack, and an X-axis linear guide rail extending in the front-back direction is installed on the top of the inclined rail workbench base. The utility model has compact and stable structure, improves the rigidity of the whole machine, ensures the stability of high-speed operation, and improves the quality and efficiency of processed products.

The invention relates to the technical field of rice production, and discloses an automatic rice seedling raising tray stacking machine which comprises a rack, a tray stacking assembly and a sensing assembly. A top frame is fixedly arranged above the machine frame, the guide pieces are fixedly arranged on the inner side of the machine frame, and a conveying belt is arranged between the left and right adjacent guide pieces and used for conveying seedling raising trays. The seedling raising tray stacking device has the following advantages and effects that the operation speed is high, seedling raising trays can be stacked in a matched mode on two stations, the operation time of multi-layer stacking is shortened, and efficiency is improved; the equipment is small in occupied area, simple and durable in structure and capable of being rapidly matched with other processing equipment to form a production line, and the requirement for automatic stacking and conveying of seedling raising trays is met; the response precision is high, seedling raising trays are accurately positioned through the induction assembly when conveyed, the tray stacking assembly rapidly stacks the seedling raising trays, and the stacking effect is rapid, tidy and stable.

The utility model relates to the technical field of textile production, in particular to a waste collecting device for scarf production, which comprises a pipeline, two ends of the pipeline are respectively connected with an extension pipe and a fan, the top of the pipeline is provided with a through hole, and a fixing seat for intercepting waste is inserted into the through hole. According to the waste collecting device for scarf production, scarf waste passing through the stopping rods can be intercepted and filtered through the densely-distributed and vertical stopping rods, and when cleaning is needed, the waste intercepted outside the stopping rods can be brought out only by lifting the cleaning piece and the bottom plate in sliding contact with the stopping rods, so that the waste collecting device is convenient to use and high in practicability. And the brought-out waste materials are mutually extruded into sheets and are easy to tear down for treatment, so that the problem that the scarf waste materials are difficult to take out from the device when being collected is effectively solved.

The utility model discloses a hydraulic turbine transmission which comprises a shell, an input shaft, an output shaft, a driving pump wheel, a driven wheel body, an inner guide wheel, an outer guide wheel, a partition block and a driven wheel sliding cylinder adjuster. On the basis of the structural principle of an existing hydraulic torque converter, the driving pump wheel and the driven wheel body are mainly arranged to be in a centrifugal turbine mode to replace a gear structure, then the movable sliding barrel is used for adjusting and controlling flow, liquid can flow through different channels of the driven wheel body, and therefore simple and smooth multi-stage gear shifting speed regulation is achieved. The device is simple and durable in structure, compact in overall structure, light in weight, low in cost and suitable for vehicle types of various sizes.