30results about How to "Avoid insufficient friction" patented technology

The utility model discloses a refrigerator PCM side plate trepanning device which comprises a machining table, a sliding groove is formed in the surface of the machining table, a trepanning assembly is installed on the inner wall of the sliding groove, a conveying roller is installed on the left side of the machining table, and a vertical box fixed to the ground is arranged on the left side of the machining table. A control box is fixedly mounted on the left side of the vertical box through bolts, and a plate rack is fixedly mounted on the inner wall of the vertical box through bolts. The motor is started to drive the transmission belt and the sawtooth belt to rotate, at the moment, under the limiting effect of the limiting plate, the transmission belt drives a plate on the lowermost side to move rightwards through friction of the transmission belt, then the plate is conveyed to the top of the machining table through the conveying rollers, and then side plates can be stacked; and then the plate on the lowermost side is driven to move to the machining table through friction of the conveying belt at the bottom, the structure is simple, economical efficiency is good, and the purpose of effectively reducing the production cost can be achieved.

A grafting auxiliary device for improving and cultivating wild soapberry, relating to the field of wild soapberry improvement and cultivation technology, includes a fixed plate, a rotating seat rotatably mounted inside the fixed plate, an angle adjustment seat fixedly mounted at the top of the rotating seat, a connecting block mounted on the upper end of the angle adjustment seat via fastening bolts, a grafting plate fixedly mounted at the top of the connecting block, a positioning seat fixedly mounted at the upper end of the grafting plate, two clamping pieces symmetrically mounted above the positioning seat, and the bottom of the clamping pieces slidingly limiting the front and rear ends of the positioning seat with the limiting grooves at the front and rear ends, a transparent protective cover mounted above the grafting plate, and the bottom of the transparent protective cover engaging with the grafting plate, with ventilation windows at both the front and rear ends of the transparent protective cover, and an installation mechanism at the bottom of the fixed plate. This solution solves the problem of low survival rate caused by misalignment or water loss after grafting wild soapberry.

The utility model discloses an I-shaped steel fixing device which comprises I-shaped steel, the I-shaped steel comprises an upper flange and a lower flange, a middle web is arranged between the two flanges, a fixed part is placed on one flange, two U-shaped fixing shafts are connected to each fixed part and the position to be fixed on the I-shaped steel in a clamped mode, and the U-shaped fixing shafts are connected with the I-shaped steel in a clamped mode. The U-shaped fixing shaft is in a U shape, the lower end of the U-shaped fixing shaft penetrates through the flange tightly attached to the fixed part and is provided with a first thread, and the lower end of the U-shaped fixing shaft is in threaded connection with a first nut through the first thread. The two U-shaped fixing shafts at one fixed position are symmetrically installed with the middle web as the reference plane, friction blocks are arranged on the two opposite sides of the fixed part, the friction blocks are made of materials with large friction force with the I-shaped steel, and the I-shaped steel fixing device has the advantages of being high in practicability and firm in fastening.

This application relates to the technical field of emulsion explosive loading equipment, and in particular to a multi-degree-of-freedom grasping and positioning mechanism for an emulsion explosive loading robot, comprising a grasping component, a positioning component, and an adjustment component. The grasping component features flexible contact pads and raised structures to increase gripping friction and reduce damage; the positioning component achieves horizontal and rotational freedom through slide rails, sliders, and a rotary table; the adjustment component employs telescopic rods and universal joints to enhance attitude adjustment capabilities. This application, through optimized mechanical structure design, solves the problems of insufficient flexibility and poor adaptability of existing equipment, significantly improving the efficiency and accuracy of grasping and positioning, and providing an efficient and precise solution for the emulsion explosive loading process.

The invention relates to the technical field of electric appliance manufacturing, and aims to provide a clothes folding machine which comprises a rack, a clamping translation device, a width folding assembly, a clothes conveying system and a first lifting clamping device, and the clamping translation device, the width folding assembly, the clothes conveying system and the first lifting clamping device are arranged on the rack. The clamping translation device is configured to clamp and move clothes back and forth; the width folding assembly is used for folding the clothes moving backwards in the width direction; the clothes conveying system comprises a first conveying mechanism and a second conveying mechanism which are arranged up and down; part of the clothes folded in the width direction is moved backwards to the upper surface of the first conveying mechanism through a clamping translation device, and then the first conveying mechanism conveys the clothes backwards to the surface of the second conveying mechanism; the first lifting clamping device is configured to clamp clothes and adjust the clothes in a lifting manner relative to the upper surface of the second conveying mechanism; the second conveying mechanism is matched with the first lifting clamping device to fold the clothes folded in the width direction in the length direction at least once. The invention also aims to provide a clothes folding method of the clothes folding machine.

The utility model relates to waterproof volume production technical field, and disclose a kind of winding and packing device for waterproof volume, it include: rack, rack is also rotationally connected for winding winding roller;Arrangement structure, arrangement structure includes frame, extruding roller, silk cover, screw rod and servo motor, extruding roller is rotationally connected with frame, silk cover is installed at the bottom of frame, screw rod is threadedly connected with silk cover, screw rod is driven by servo motor, frame can push extruding roller close winding roller and extrude volume, extruding roller is driven by servo motor-screw rod mechanism, and cooperate pressure sensor feedback, can realize the pressure that constant or according to preset curve changes is applied to volume, no matter how increase, system can automatically adjust extruding roller position, keep stable compaction effect, to ensure that from roll core to roll outer density uniform, effectively avoid traditional winding's inner loose outer tight phenomenon, volume stiff, facilitate transportation and storage.

This utility model relates to the field of testing device technology and discloses a testing device for an automotive cockpit controller, comprising: a main cabinet, which is divided into multiple functional layers along a first direction by partitions, the functional layers being suitable for testing at least one function of the automotive cockpit controller; and a darkroom connected to the main cabinet, the darkroom being suitable for forming a dark space; the main cabinet includes: a first side panel, the first side panel being suitable for mounting the object under test for testing in the darkroom. By dividing the main cabinet into multiple functional layers along the first direction, the parallel testing capability of multiple functions of the automotive cockpit controller is realized. This not only optimizes space utilization but also significantly improves testing efficiency, allowing different functional modules to be tested simultaneously, greatly shortening the overall testing cycle. The connection design of the darkroom provides a controllable dark environment for optically related tests, ensuring the reliability and consistency of test data.

The present application relates to a kind of aluminum strip pneumatic feeding device for stamping, including frame and slider, be connected between frame and slider by horizontal telescopic cylinder, be provided with first vertical telescopic cylinder on frame, be provided with front pressing plate on the upper end of first vertical telescopic cylinder, be provided with second vertical telescopic cylinder on slider, be provided with rear pressing plate on the upper end of second vertical telescopic cylinder.Gas source connecting port is opened in frame, frame internal gas path that is communicated with gas source connecting port is opened in the inside of frame, slider internal gas path is opened in the inside of slider, second vertical telescopic cylinder is controlled to be connected with slider internal gas path, horizontal telescopic cylinder is hollow structure, frame internal gas path and slider internal gas path are communicated with each other by horizontal telescopic cylinder, be provided with reversing pressure rod connected with frame internal gas path on frame.The present application can realize the same aluminum strip feeding action as the operation tempo of punch press, can effectively guarantee the displacement accuracy of aluminum strip, and will not produce indentation or scratch to aluminum strip.

The utility model is suitable for the technical field of water hoses, and provides a water hose connector protection cover which comprises a connector pipe body and a water outlet pipe. The protection mechanism is arranged outside the connecting end of the connector pipe body and the water outlet pipe; the protection mechanism comprises a limiting ring arranged on the outer side of the connector pipe body and the outer side of the water outlet pipe, and a first fastener and a second fastener which are arranged on the inner side of the limiting ring. The fastening piece comprises a first fastening protrusion arranged on the inner side of the limiting ring, a plurality of extrusion springs arranged on the outer side of the first fastening protrusion and a flexible pad arranged on the outer sides of the extrusion springs. The water hose connector has the advantages that tight fixing of the connecting portion of the connector pipe body and the water outlet pipe is achieved, loosening or falling-off is avoided under the high-pressure or vibration condition, impact is effectively absorbed, vibration is reduced, the protective cover is prevented from sliding due to the design of the damper and the flexible pad, and accordingly stability and safety of the whole water hose connector are guaranteed.

The invention discloses a thin-wall cylindrical part inner hole grinding, positioning and clamping device and a clamping method.The device is provided with a clamping shaft with a connecting shaft and a circular groove to clamp a cylinder, the inner side of the opening end of the circular groove is provided with an inwards-concave annular stop face, the outer side of the opening end of the circular groove is provided with an annular end face, and a middle pad comprising two semi-arc liners is arranged; the gasket is provided with a semi-arc boss and a semi-arc pressing wall and is further provided with a pressing threaded sleeve provided with a threaded sleeve, an annular limiting table and a limiting sleeve, and primary axial positioning is conducted from the two faces of the protruding edge of the thin-wall cylinder through an inwards-concave annular stop face and the semi-arc boss. The compression screw sleeve is screwed in the circular groove, the joint of the middle pad and the barrel is compressed in the radial direction and the axial direction, and then the barrel is subjected to centering adjustment and fastening through a plurality of adjusting bolts and check nuts which are arranged on the compression screw sleeve in a penetrating mode. According to the method, enough friction force can be provided for rotation of the thin-wall cylindrical part, harmful deformation of the thin-wall cylindrical part can be avoided, positioning is accurate, and dismounting and mounting are convenient.

This utility model relates to the field of wire production technology and discloses a wire threading device for production equipment, including a workbench. A motor is fixedly installed on one side of the workbench via a mounting bracket. A rotating shaft is fixedly sleeved on the output shaft of the motor and rotatably connected to the middle of the inner wall of the workbench. Several main conveying wheels are fixedly sleeved on the surface of the rotating shaft. A first top plate is fixedly installed at the top center of the workbench, and several guide columns are slidably connected inside the first top plate. This utility model forms an upper and lower clamping structure with the driven wheel and the main conveying wheel, which not only provides conveying power but also stabilizes the wire posture, preventing the wire from bending or jumping due to uneven force during conveying, thus improving the threading stability. By using a spring to push the driven wheel to press on the wire, the pressure can be automatically adjusted according to the wire diameter to ensure that wires of different specifications can obtain sufficient friction, avoid slippage, and improve the flexibility of the device.

The utility model discloses a lamp convenient to install, which is suitable for being installed on a substrate provided with an installation hole and comprises a lamp body, and an abutting flange extending outwards is arranged at the bottom of the lamp body. The at least two elastic clamps can rotate relative to the lamp body, the elastic clamps move between a first position and a second position, in the first position, the elastic clamps are opened upwards and suitable for penetrating through the mounting holes, and in the second position, the elastic clamps press and abut against the upper surface of the base plate downwards under the action of elastic force, and the abutting flanges abut against the lower surface of the base plate upwards; the sliding piece is in sliding fit with the lamp body in the vertical direction and moves between a third position located on the upper side and a fourth position located on the lower side. At the third position, the sliding piece upwards abuts against the elastic clamp located at the first position and receives force applied by the elastic clamp so that the sliding piece can be kept at the third position through friction fit between the sliding piece and the lamp body; in the fourth position, the elastic clip is allowed to be located in the second position. The lamp can solve the problem that hands are clamped when the lamp is installed.

This invention relates to the field of robot gripping technology, and more particularly to a control method and system for a gripper of a logistics sorting robot. The method involves determining the thickness and bonding position of a fixed plate, dividing the fixed plate into several gripping areas, collecting driving pressure and driving current to generate drop characterization values ​​to determine the first drop tendency of the logistics packaging box and determine the corresponding reinforcement strategy, determining the adjustment strategy for the gripping task based on the degree of center of gravity shift and the first relative displacement difference, collecting tilt duration and needle spacing to determine the degree of change in the second drop tendency, adjusting the gripping task adjustment strategy in response to the second drop tendency being greater than the first drop tendency, and determining the adjustment strategy for a third gripping task based on the comparison result of the second relative displacement difference and the second displacement threshold. This significantly improves the accuracy of the control method for the gripper of the logistics sorting robot.

The application provides a kind of miscellaneous fill mucky soil pipe network drilling hole wall stable control device, including fixed base, hole wall support unit, inflatable structure and clamping assembly.Fixed base is set at the orifice of drilling, with the through hole that is communicated with the orifice.Hole wall support unit is provided with multiple, multiple hole wall support units can form the wall protection string that can be lowered into drilling through the through hole in series.Every hole wall support unit has expansion section.Inflatable structure can inflate hole wall support unit after being lowered into drilling, so that expansion section extends outward and abuts with hole wall.Clamping assembly can clamp the top end of hole wall support unit before inflating hole wall support unit.The miscellaneous fill mucky soil pipe network drilling hole wall stable control device provided by the application can efficiently respond to the effect of soil stress change, improve the supporting effect, effectively reduce the risk of hole collapse, and guarantee the construction progress and safety.

The utility model provides a sound box. The sound box comprises a box body; the loudspeaker is arranged on the box body, the loudspeaker comprises a sound cone, a connecting hole is formed in the loudspeaker and / or the box body, the connecting hole is located in the periphery of the sound cone, a limiting surface is arranged in the connecting hole, the limiting surface comprises an arc-shaped surface, and the arc-shaped surface protrudes in the radial direction of the connecting hole in the direction away from the axis of the connecting hole; the mesh enclosure is arranged opposite to the loudspeaker; the connecting structure is fixedly arranged on the mesh enclosure and comprises a limiting part made of an elastic material, the limiting part is arranged in the connecting hole in a penetrating mode and matched with the connecting hole in an inserted mode, the outline of the outer surface of at least part of the limiting part is matched with the outline of the limiting face, and the limiting part is matched with the limiting face in a limiting mode so that the position of the connecting structure at the connecting hole can be limited. According to the scheme, the problem that in the prior art, the connecting columns on the mesh enclosure are matched with the connecting holes in the box body or the loudspeaker in an inserted mode, so that the mesh enclosure vibrates when the sound box plays music, transmission of sound waves is disturbed, and the tone quality is reduced can be solved.

The utility model discloses a material collecting structure of bag making machine, including work table, the surface one side of work table is equipped with the discharge groove, the lower extreme fixed connection of work table has the fixed frame, the bottom fixed connection of fixed frame has the support frame, the surface of support frame is equipped with the sliding slot, the surface sliding connection of sliding slot has the collection box, and the bottom one end fixed inlay of support frame has the driving motor, the output end transmission connection of driving motor has the screw rod, the outer periphery screw thread connection of screw rod has the screw block, just the upper end of screw block is connected with the collection box fixedly, the material collecting structure of bag making machine in the utility model, it is convenient to the collection and arrangement of the packaging bag after processing to the packaging bag of collection good carries out the case operation, and then does not need staff to arrange and collect the packaging bag manually, improves the work efficiency.

The present invention discloses a conveyor belt type salt-resistant crystallization cylindrical distillation system, wherein a seawater tank and a freshwater collection tank of a circular arc cylindrical structure concentric therewith are arranged in the cylindrical glass body; the conveyor belt evaporation system comprises a composite conveyor belt evaporation surface sleeved on a rolling bearing column, an inner water absorption layer, and an outer photothermal layer; the rolling bearing column is connected to a buoy through an inclined connecting rod, and a micro motor for driving the rolling bearing column is arranged in the buoy; the solar photovoltaic panel is connected to an efficient lithium polymer battery pack connected to the micro motor through a flexible cable through a power supply control circuit; the water level control circuit is connected to a pump machine to ensure that the lower side of the composite conveyor belt evaporation surface is completely immersed in the main seawater in the seawater tank, while the upper side is always exposed to the liquid surface, and the concentrated brine on the evaporation surface is mixed with the main seawater through mechanical transmission to prevent salt crystallization. The present invention is durable, not easily affected by the environment, has efficient evaporation, efficient salt resistance, high stability, convenient fresh water collection, and energy saving.

The utility model relates to paper cutting machine technical field discloses a high -speed paper cutting is with hob structure and paper cutting mechanism, including machine body, one side fixed mounting of machine body has the material delivery cavity, the inside of machine body is equipped with second rotating lever, the outside fixed connection of second rotating lever has hob body, the inside rotation of machine body is installed with two first rotating lever, the outside surface fixed mounting of two first rotating lever has a plurality of briquettes, the inside of briquette is equipped with positioning assembly, positioning assembly includes expansion spring and arc block, arc block sets up at the bottom of briquette, and the top surface extension of arc block is into the inside of briquette. In the utility model, through positioning assembly, can make arc block with paperboard have enough friction, arc block rotation, can ensure paper steady convey, also can position the direction of paper conveying, prevents the situation of paper conveying process and occurs and runs off.

The utility model relates to the technical field of automobile wire harness assembly, and discloses a new energy automobile wire harness assembly frame which comprises a workbench, and a positioning assembly is arranged on the top end face of the workbench. According to the new energy automobile wire harness assembling frame, the bending spring supports the flexible part through the outer wall of the bending spring, so that the flexible part can meet the bending requirements in different directions, wire harnesses at the branch positions of the wire harnesses are restrained, mutual winding or dislocation of the wire harnesses is prevented, the right-angle groove guides the positions, needing right-angle turning, of the wire harnesses, and the wire harness assembling efficiency is improved. The wire harness is bent at the corner according to the preset direction, the situation that the layout of the wire harness is affected due to random bending is avoided, wiring requirements in different directions are met, the wiring flexibility is improved, the suction cup can be detached without large force or insertion into a gap between a rubber ring and the workbench through the arranged vertical rod and the through groove, and the operation is convenient. The position of the positioning assembly is convenient to adjust, and the circuit laying efficiency is improved.

The present application discloses a chassis assembly and a robot, the chassis assembly comprising: a chassis body; a driving wheel and a first connecting rod, one end of the first connecting rod is connected to the driving wheel, and the other end of the first connecting rod is hinged to the chassis body; a first driven wheel and a second connecting rod, one end of the second connecting rod is connected to the first driven wheel, and the other end of the second connecting rod is hinged to the chassis body; a first buffer, the first buffer is arranged between the first connecting rod and the second connecting rod to absorb impact energy when the driving wheel or / and the first driven wheel bounces. The chassis assembly according to the present application can ensure that there is sufficient positive pressure between the driving wheel and the ground, the driving wheel is not prone to slipping, and the robot's obstacle crossing performance is improved.

This utility model discloses an adaptive clamping gemstone display holder, including a base with a support platform fixedly connected to its upper end; a display surface located inside the support platform; a fixing cylinder fixedly installed inside the support platform, the inner side of which is hollow, and an opening slot is provided at its top; a chassis fixedly installed inside the fixing cylinder; and an adjusting rod extending through the inner side of the chassis, with a button fixedly connected to its bottom. This adaptive clamping gemstone display holder, through its unique mechanical structure and elastic elements, allows the clamping mechanism to automatically adapt to gemstones or rings of different sizes, achieving "one-piece universal use" without manual adjustment. The clamping rod is made of a special silicone material, which is soft, highly elastic, and chemically inert. This material provides sufficient friction to firmly grip the gemstones while its hardness is far lower than that of the gemstones, ensuring no scratches or damage to their surface.

The utility model provides an aluminum bar saw which comprises a rack, a moving device, a first clamping device and a water jet cutting device, and a water tank is arranged below the rack; the moving device is hung upside down and is arranged above the rack; the first clamping device comprises a supporting frame, a rolling ring, a first driving assembly, a second driving assembly and a plurality of rollers, the rolling ring is arranged on the supporting frame and rotationally connected with the supporting frame, the supporting frame and the first driving assembly are both arranged at the moving end of the moving device, and the first driving assembly is in transmission connection with the rolling ring; the first driving assembly is used for driving the rolling ring to rotate; the second driving assembly is arranged in the rolling ring, connected with the multiple rollers and used for driving the multiple rollers to clamp the aluminum bar. The aluminum bar cutting device solves the problem that when the radius of an aluminum bar is far larger than that of a cutting disc, traditional cutting equipment is difficult to cut the aluminum bar.

The utility model discloses a polyurethane tire with a symmetrical tread pattern structure, which relates to the field of tires, and comprises a tire body and tread patterns, the tread patterns are symmetrically distributed by taking the central axis of the tire as a symmetry axis, the tread patterns are composed of a plurality of independent pattern block units, each pattern block unit is of a rhombus structure, and the pattern block units are arranged on the tire body. According to the utility model, the tread patterns are symmetrically distributed by taking the central axis of the tire as the symmetry axis, so that the left side and the right side of the tire are uniformly stressed in the running process, and when a vehicle turns, changes lanes or runs in a straight line, the tread patterns are uniformly stressed; the left-right symmetrical pattern structure can ensure that the friction force between the tire and the ground is uniformly distributed, so that the problems of running off tracking, side slipping and the like caused by asymmetrical patterns are avoided, the running stability of a vehicle is improved, and a driver can more accurately control the running direction of the vehicle.

The utility model relates to a sports pants head gluing machine which comprises a base, a longitudinal guide rail fixedly connected with the base, a longitudinal sliding seat slidably connected with the longitudinal guide rail, a longitudinal driving belt arranged on the base, a mounting table fixedly connected with the top wall of the longitudinal sliding seat, and a rotary table supporting seat fixedly connected with the mounting table. The rotary table supporting seat is rotatably connected with a rotating shaft, the front end of the rotating shaft is fixedly connected with a connecting disc, the connecting disc is fixedly connected with a rotating seat, the top wall of the rotating seat is provided with two driving motors, the front ends of the driving motors are provided with sleeving wheels, and the sleeving wheels of the two driving motors can be used for sleeving the waistband of sports pants; the motor supporting seat is fixedly connected with an angle adjusting motor, and a motor shaft of the angle adjusting motor is coaxially and fixedly connected with the rotating shaft. The silica gel texture coating device is used for coating silica gel textures on the inner wall of the underpants, so that the friction force between the underpants of yoga pants and sports pants and a human body is improved, and the underpants are prevented from sliding.

The present invention discloses a solar energy storage device with a protective function, and relates to the technical field of solar energy storage devices; in order to enhance the protective capability of solar panels; specifically comprises a mounting frame and a solar panel, wherein one side outer wall of the solar panel is fixed to one side outer wall of the mounting frame by screws, and the top outer wall of the mounting frame is provided with a water collection monitoring mechanism, and one side outer wall of the mounting frame is also fixed with an electric rolling shutter mechanism by screws, and the electric rolling shutter mechanism is located obliquely above the solar panel, and the water collection monitoring mechanism comprises a water collecting hopper and a sliding rod, and the top of the sliding rod is fixed to the bottom outer wall of the water collecting hopper by screws. The present invention can realize automatic detection in heavy rainy weather by providing structures such as a water collecting hopper and an electric rolling shutter mechanism, and provide a protective function for the solar panel, and the user can change the height of the conductive sheet by rotating the adjusting rod, thereby achieving the effect of changing the working conditions of the triggering electric rolling shutter mechanism, and improving the adjustability.

A kind of ground treatment structure for the new and old filling interface area of airport pavement influence area belongs to ground structure technical field.The structure includes geogrid, over-excavation replacement layer, slope step, reinforcing step and filling layer, 2-4m over-excavation replacement layer is set on the top surface of original filling body, slope step is set on the slope of original filling body, the width of slope step is not less than 2m, one layer of reinforcing step is filled on the outside of every two slope steps, filling layer is filled outside reinforcing step again, the top of filling layer is filled to the same elevation as the top of over-excavation replacement layer, geogrid is laid on the interface of original filling body and filling layer top surface, the laying width of geogrid on filling layer and original filling body is 10-15m, and new pavement is built on the top surface of over-excavation replacement layer and filling layer.The structure improves the overall stability and reliability of new pavement foundation, reduces post-construction settlement and uneven settlement, and ensures the safety of upper pavement structure.

The utility model discloses a traction wheel with an anti-skidding function. The traction wheel comprises a wheel body, a wheel flange wraps the outer side of the wheel body, a hoop is installed at one end of the wheel body, a bearing is installed at the other end of the wheel body, and a roller core is installed on the bearing. According to the traction wheel, the wheel flange is arranged, the grooves are formed in the wheel flange along the spiral line, and the distance between the grooves is consistent with the dispensing distance, so that the traction wheel cannot scatter dispensed glue during traction work, the glue keeps good viscosity, and the traction wheel has enough friction force by forming the grooves in the wheel flange; it is ensured that the traction wheel of the bag making machine firmly draws bag materials in a wet or sliding environment, sliding or slipping is avoided, stable traction is kept, the production efficiency is improved, interruption or faults in the bag making process are reduced, continuous and smooth production is ensured, the sliding risk of the traction wheel of the bag making machine in the operation process is reduced, and the safety of the bag making machine is improved. The accidental injury caused by sliding of workers is reduced, the operation safety is improved, the occurrence rate of slipping and accidents is effectively reduced, and firmer traction force is provided.

The utility model discloses a kind of electric wire cable length measuring devices, including measurement base, the top of measurement base is fixedly connected with portal frame, the portal frame is installed with the measurement component for cable length measurement, the top of the portal frame and the position corresponding the measurement component is installed with the limiting component for the cable to be measured limiting, the both sides of measurement base top are installed with the guide component for the cable to be measured guiding, the measurement component includes measurement shaft rotatably installed on the portal frame, metering wheel is fixedly connected on the measurement shaft, the end of the measurement shaft is installed with encoder. The utility model realizes the self-adaptive limiting clamping of different thick and thin cable and the self-adaptive adjustment of cable tension, effectively improve the accuracy and stability of cable length measurement, while having the advantages of stable structure, reliable operation etc., and has wide application prospect in electric wire cable length measurement field.

The utility model discloses a kind of optical fiber end face cleanliness detection instruments, belong to optical fiber end face detection technical field, including the shell for wrapping element, for connecting handheld end face magnifying glass connection part, for checking optical fiber end face detection part and for providing energy supply for detection part energy supply part, the utility model is combined using by multiple components, can accurately capture the fine dirt, scratch and the like of optical fiber end face, whole detection procedure operation is convenient, effectively improve the efficiency and accuracy of optical fiber end face detection, relative to traditional handheld magnifying glass, without naked eye viewing dirty condition, convenient for later maintenance and lower cost;By being equipped with rubber ring, utilize the elasticity and friction force characteristics of rubber material itself, on the premise that handheld end face magnifying glass surface is not damaged, stable and reliable connection effect is realized, operation is convenient and will not cause additional wear and tear to equipment, give consideration to fixed strength and use flexibility.

The utility model provides a gas guide and seepage guide device for a solid waste disposal site, which relates to the technical field of landfill leachate and gas export and comprises a landfill pool, a gas guide pipe, an extension pipe, a liquid extraction pipe and a filter plate at the bottom of the landfill pool. The extending pipe in threaded connection with the lead screw moves along with stretching and retracting of the telescopic rod, then the extending pipe is inserted into garbage stacked in the landfill pool, harmful gas in a formed garbage landfill layer is guided out, and therefore when the garbage in the landfill pool is stacked till no harmful gas is generated, the lead screw rotates reversely, and the harmful gas in the garbage landfill layer is discharged. The extension pipe can be contained in the air guide pipe, the air guide pipe can be drawn out, the liquid drawing pipe can be directly drawn out, and then the air guide pipe and the liquid drawing pipe can be recycled.