81results about How to "Won't cause shaking" patented technology

The invention relates to a novel self-loading and unloading mechanism. The novel self-loading mechanism comprises a support fixed on a vehicle, wherein two rotating arms with different linear lengths are hinged between the support and a base; a hydraulic cylinder is hinged between one of the rotating arms and the support; the two rotating arms are matched with each other to drive the base to overturn; a garbage bin hanging plate is arranged on the base; a garbage bin pressing plate is further hinged to the base; a rotary push rod is fixed on the garbage bin pressing plate; a garbage bin hanging cam is fixed on the rotating arm corresponding to the rotary push rod; the garbage bin hanging cam is matched with the rotary push rod to drive the garbage bin pressing plate to rotate and is matched with the garbage bin hanging plate to achieve clamping operation. The garbage bin hanging cam is matched with the rotary push rod to enable the garbage bin pressing plate to rotate around a hinge position so as to achieve mutual approach or departure between the garbage bin pressing plate and the garbage bin hanging plate; the garbage bin pressing plate approaches the garbage bin hanging plate to clamp the upper edge of a garbage bin; in the rotating and lifting process of the base, a clamping force always exists, so that the garbage bin does not swing and the steadiness of the garbage bin is improved.

The invention discloses an interactive display method, an interactive control method and an interactive control system for implementing holographic image display, which solve the problem that operation is only carried out on a screen plane in the prior art. The interactive display method comprises the following steps of controlling signal projectors arranged in a matrix for sending signals to scan a three-dimensional space; determining a target object in the three-dimensional space; and determining a first position of the target object and a second position in a display area to display a visual image corresponding to the target object. The control method comprises the following steps of controlling the signal projectors arranged in the matrix for sending the signals to scan the three-dimensional space; determining gesture operation of the target object; determining a gesture; and executing control operation corresponding to the gesture. The device comprises a display unit, a signal detection unit, a position determination unit and a display control unit. According to the interactive display method, the interactive control method and the interactive control system for implementing holographic image display, the three-dimensional interactive operation is implemented according to gesture operation which is carried out in the three-dimensional space in front of the display screen by a user.

The invention discloses a hilum cutting machine which is used for cutting hila of articles attached with the hila to be cut and is characterized by comprising a framework, a rotary workbench, a cutting device, a spring positioning pin, a gear pair, a crank, connecting rod and slider mechanism and a driving device. The rotary workbench is used for carrying the articles with the hila to be cut, the cutting device is mounted on the framework and is opposite to the rotary workbench, the spring positioning pin is fixed onto the framework and is used for positioning the rotary workbench, the gear pair is arranged on the framework and is used for driving the rotary workbench to rotate, the crank, connecting rod and slider mechanism is mounted on the gear pair and is used for driving the cutting device to reciprocate towards the articles with the hila to be cut, and the driving device simultaneously drives the gear pair and the cutting device to rotate. The hilum cutting machine has the advantages that the hilum cutting machine is simple in structure, is high in cutting efficiency and good in cutting effect without precision instrument and equipment, and is convenient to popularize and utilize, and the manufacturing and service costs of the hilum cutting machine can be reduced.

The invention discloses an automatic temperature-rising power transmission line system comprising a lead wire part, a temperature rising part and a ventilation part, wherein the inner part of the lead wire part is a hollow cavity; the hollow cavity is communicated with the ventilation part; the temperature rising part is fixedly arranged on the lead wire part; the temperature rising part comprises a heating body and two magnetizers which are mutually symmetrical; the heating body is provided with a through hole; the upper ends of the two magnetizers are hinged; convex magnetism-conducting strips are respectively arranged in the middles of the two magnetizers; after the two magnetizers are mutually contacted, a closed loop is formed by the convex magnetism-conducting strips and the two magnetizers; one of the magnetism-conducting strips is wound by a coil; one end of the coil is connected with a first double-metal sheet; and the other end of the coil is connected with the heating body. With the adoption of the structure, a condition of adhering ice and snow on a power transmission line can be prevented and the condition that the pressing force borne by the power transmission line is too large so that the power transmission line shakes and even is cracked can be avoided; and therefore, the normal work of the power transmission line is guaranteed.

The invention discloses an irrigating planting pot used for non-hydrophile plants. The irrigating planting pot comprises an outer pot body, multiple connecting springs are symmetrically arranged on the upper surface of the outer pot body, abutting-against plates are installed at the upper ends of the connecting springs together, a limiting base is placed at the upper ends of the abutting-against plates and provided with an inner pot body, multiple water inlet holes are uniformly formed in the lower surface and the side wall of the inner pot body, the interior of the outer pot body is divided into an equipment region, a water storage region and a water inlet region through a first partitioning plate and a second partitioning plate, multiple air pressure holes are formed in the first partitioning plate, a water inlet pipe is communicated with the side wall of the outer pot body, and a water drainage pipe is communicated with the second partitioning plate. The irrigating planting pot hasthe advantages of being ingenious in structure and convenient to use; based on the ingenious principle that air pressure is changed, the water level inside the water storage region is increased, thenwater is supplied to soil and plants in the inner pot body, under the condition of the same water level, the contact areas of the plants with different weights and water are different, and adsorbed moisture is different.

The invention belongs to the field of unmanned aerial vehicle machine warehouses, and discloses a multi-machine circulation type unmanned aerial vehicle automatic machine warehouse. The multi-machinecirculation type unmanned aerial vehicle automatic machine warehouse comprises a rack, two chain circulation mechanisms synchronously running and tray mechanisms, wherein the two chain circulation mechanisms are symmetrically and vertically arranged on frame bodies on the two sides of the rack, the two ends of each tray mechanism are each connected with one chain circulation mechanism, and at least two tray mechanisms are arranged, can cyclically move between the bottom of the rack and the top of the rack along with the chain circulation mechanisms and are used for containing unmanned aerial vehicles. The chain circulation mechanisms are used for connecting at least two tray mechanisms, the tray mechanisms can be driven to cyclically move between the bottom of the rack and the top of the rack, the unmanned aerial vehicles can land and be stored on the tray mechanism located on the top, and accordingly, parking and storing of the multiple unmanned aerial vehicles can be achieved. Through the chain circulation mechanisms, any one tray mechanism can be arranged on the top of the rack, accordingly, simultaneous operation and collaborative operation of the multiple unmanned aerial vehicles can be achieved, and the problem that due to faults of single unmanned aerial vehicles, operation cannot continue is solved.

The invention discloses an animal experiment table for medical research. The animal experiment table comprises a table body, an energy storage box, a spraying box, a lighting box, an inserting-plate tabletop and a pulling-inserting supporting frame, the inserting-plate tabletop which is replaceable is provided with a solar cell panel and an animal carrying plate and can be inserted into an inserting groove of the table body, and the solar cell panel charges the energy storage box which powers the spraying box and the lighting box. The animal experiment table has the advantages that convenience can be brought to conducting outdoor animal experiments, experiment smoothness can be guaranteed during sudden power outage, experiment needs of animals different in body shape can be met, and the animal experiment table is convenient for tabletop cleaning and convenient to carry and transport.

The invention discloses a dry-mixed mortar stirring station weighing system and a dry-mixed mortar stirring station, relates to the technical field of engineering machinery, and aims to solve the problem of metering errors caused by easy shaking of dry sand weighing hoppers in the prior art. The dry-mixed mortar stirring station weighing system comprises at least two dry sand discharging bins, first slide pipes, a temporary storage bin, a second slide pipe and the dry sand weighing hoppers, wherein the bottoms of different dry sand discharging bins are communicated with the upper part of the temporary storage bin through different first slide pipes; the lower part of the temporary storage bin is communicated with one end of the second slide pipe; the other end of the second slide pipe is communicated with the dry sand weighing hoppers. According to the technical scheme, impact on the dry sand weighing hoppers during discharging in different directions is avoided, and the dry sand weighing hoppers cannot shake, so that weighing errors caused by shaking of the dry sand weighing hoppers can be reduced.

The invention discloses an overhead steel frame and a mounting method thereof. The overhead steel frame comprises keels, a vertical supporting frame and a transverse supporting frame. The keels constitute a rectangular platform, and the keels in the rectangular platform are in a net shape. The vertical supporting frame is used for supporting the keels and adjusting the heights of the keels, and the transverse supporting frame is fixed to the keels at the four edges of the rectangular platform to prevent the keels from moving relative to the wall surface. The overhead steel frame is stable in structure and low in keel leveling difficulty.

The invention discloses a book high-speed photographic apparatus. The device comprises a manuscript table, a supporting frame and a high-speed photographic apparatus arranged on the supporting frame,a mounting mechanism is arranged at the rear end of the manuscript table; wherein the lower end of the supporting frame is movably installed on the installation mechanism, a book supporting device ismovably installed on the outer surface of the upper end of the manuscript table, a book pressing device is arranged on the book supporting device, and the installation mechanism comprises a supportingplate which is integrally formed in the middle of the outer surface of the rear end of the manuscript table. The invention relates to a book high-speed photographic apparatus. The book high-speed photographic apparatus can be detached; people can conveniently carry the book high-speed photographic apparatus; the whole book can be in a flattened state during scanning, and the bending radian of thebook is reduced, so that image distortion is reduced, the content of the book can be conveniently and accurately scanned by the high-speed photographic apparatus, the scanning precision of the high-speed photographic apparatus for the book is improved, the book can be fixed, the situation that the book shakes in the page turning process is avoided, and a better use prospect is brought.

The invention discloses an installing structure of an automobile top cover decoration strip. The installing structure comprises the top cover decoration strip and a groove formed by overlapping a side wall and a top cover. The installing structure further comprises a clamping base adhering to the bottom wall of the groove. The top cover decoration strip comprises a decoration strip body, an elastic buckle body is connected to the middle of the lower portion of the decoration strip body and matched with the clamping base in a clamped mode, and lip sides are arranged on the left and right sides of the decoration strip body respectively and are in interference fit with the two side walls of the groove respectively. The installing structure is reliable in connection, not prone to warping and beneficial to sealing, and installing precision is easy to control.

The invention discloses a detection device which comprises a first cavity used for collection, a second cavity used for detection and a first channel used for connecting the first cavity with the second cavity. An adjusting element is arranged in the first channel and configured to be capable of being used for adjusting connection or sealing between the first cavity and the second cavity. The adjusting element comprises a connecting piece, one end of the connecting piece is connected with a first plunger, and the connecting piece is configured to be used for separating connection between the first channel and the first cavity. The detection device is a complete set of detection device and can collect samples and detect the samples, direct contact with the samples is not needed in the wholedetection process, an excrement solution is sealed in the detection device in the detection process, the whole device is good in sealing performance, a liquid leakage phenomenon is avoided, and a user can conveniently carry out detection by himself / herself.

The invention provides a multi-degree-of-freedom indoor track intelligent detection robot. The multi-degree-of-freedom indoor track intelligent detection robot comprises a track and a robot body, wherein the robot body comprises a moving trolley, a first lifting mechanism, an upright post, a first detection assembly, a rotation mechanism, a telescopic mechanism and a second detection assembly; thefirst lifting mechanism is fixed to a bottom plate of the moving trolley; the upright post is fixed to a first sliding block; the first detection assembly is fixed to the rotation mechanism; the telescopic mechanism is fixed below the rotation mechanism; and a rack is installed on the inner wall of the track, and the rack meshes with a gear. The lifting mechanism of the multi-degree-of-freedom indoor track intelligent detection robot adopts a combination mode of two sections of linear modules, and thus the lifting stroke and lowering stroke are effectively improved; and meanwhile, the rail-type horizontal telescopic mechanism is adopted to effectively improve the stretch stroke and retract stroke.

The invention discloses a solid lubrication thin-wall bearing with a segmented self-lubricating holder. The solid lubrication thin-wall bearing comprises an outer ring and an inner ring for solid lubrication treatment, balls and the holder consisting of a plurality of arc segments. The solid lubrication thin-wall bearing has the characteristics in that the segmented holder is adopted to successfully solve the problems that a bearing with an integral holder structure operates unstably and is likely to cause whistler; a bearing channel adopts a sputtering MoS2 base composite film to serve as an initial lubricating film of the bearing, the holder is made of a self-lubricating material and can provide continuous transfer lubrication to the bearing, and thus the service life of the bearing is prolonged. According to the invention, through special design of the holder, the solid lubrication of the thin wall bearing is successfully realized. The thin-wall bearing disclosed by the invention has the advantages of being convenient to install and use, operating stably, having no whistler and having a long service life. The solid lubrication thin-wall bearing can be used for rotating support of equipment such as robots and manipulators with thin-wall bearings, and particularly equipment with special requirements on temperature range or use environment.

The invention discloses a bearing grinding device for tractor machining. The bearing grinding device for the tractor machining comprises a base, a placing table is fixedly installed at the top of thebase, a placing groove is formed in the top of the placing table, and a fixing column is fixedly installed inside the placing groove; clamping devices are both arranged with the top of the base and the two sides of the placing table correspondingly, a mounting frame is fixedly installed at the top of the base, a driving device is arranged at the top of the inner cavity of the mounting frame, and amoving plate is arranged below the driving device. According to the device, the base, the placing table, the placing groove, the fixing column, the clamping device, the mounting frame, the driving device, the moving plate, the driving motor, a grinding head and a lifting device are arranged, and the bearing can be clamped and fixed when the bearing is ground, it is guaranteed that the bearing isprevented from shaking during grinding, and the machining quality is guaranteed; and meanwhile, the problem that the grinding efficiency of the bearing is influenced due to the fact that the differential bearing is prone to shake during the machining and grinding is solved.

The invention relates to the technical field of sewage treatment, and particularly discloses an anti-clogging hollow fiber immersed membrane component with high aeration efficiency, which comprises a plurality of hollow fiber membrane components (1), a hollow membrane frame (2), a framework (3), an anti-winding screen mesh (4) and an aeration component (5), wherein each hollow fiber membrane component (1) comprises a hollow tube (11) and hollow fiber membrane filaments (12), one end of each hollow fiber membrane filament (12) is sealed, the other end of each hollow fiber membrane filament (11) is communicated with the corresponding hollow tube (11), internally threaded joints (13) are mounted on the hollow tubes (11), the hollow tubes (11) are communicated with the hollow membrane frame (2) through the internally threaded joints (13), a water outlet (21) is formed in the hollow membrane frame (2), the framework (3) is mounted on the hollow membrane frame (2), the anti-winding screen mesh (4) is mounted on the framework (3), and the aeration component (5) is mounted below the hollow membrane frame (2).

The invention relates to an automatic sample injector having a bottle pressing function and a liquid chromatograph. The automatic sample injector comprises a rack having a sampling pin fixing component for installing a sampling pin. In addition, the automatic sample injector also includes two guide rods, a stop block, and two compressing springs. Two guide holes are symmetrically arranged at the rack at the two sides of the sampling pin fixing component and each of the guide rods passes through one guide hole; a limit structure is arranged at one end, arranged above the guide hole, of each of the guide rods; and the other end of each of the guide rods is fixedly connected with the stop block. The two compressing springs are respectively sleeved at the two guide rods and are arranged between the rack and the stop block; and the compressing springs are in a compression state under the effects of the limit structures, the rack and the stop block. And a through hole corresponding to the sampling pin is arranged in the middle of the stop block. According to the provided automatic sample injector, fixing of sample bottles with different heights is realized; and the fixing effect is good.

The invention discloses a mahjong machine tile lifting device stable in lifting, and belongs to the technical field of mahjong machines. The mahjong machine tile lifting device stable in lifting comprises tile supporting plates and tile lifting guide mechanisms, wherein the tile lifting guide mechanisms are arranged at the bottoms of the tile supporting plates and used for guiding lifting of the tile supporting plates. Each tile lifting guide mechanism comprises a lifting shaft base, a lifting column A, a lifting column B and a connecting block, wherein a first guide hole and a second guide hole are formed in the lifting shaft base, one end of the lifting column A is fixed on the corresponding tile supporting plate, and the other end of the lifting column A is matched with the first guide hole in a sliding mode; one end of the lifting column B is fixed on the corresponding tile supporting plate through the connecting block, and the other end of the lifting column B is matched with the second guide hole in a sliding mode; the lifting shaft base is connected with a lattice plate and a shuffling barrel wall of a mahjong machine. According to the mahjong machine tile lifting device stable in lifting, due to four-point parallel guiding of the tile supporting plates and accurate locating of the tile supporting plates and a panel, lifting is more stable, the tile supporting plates are smoother, have narrower gaps and are uniform after the tile supporting plates are lifted up, the problem that due to the fact that the tile supporting plates are mismatched, the mahjong machine has a fault is solved, and attractiveness of the panel of the mahjong machine is improved.

The invention relates to a rotation mechanism with a bearing set and an air conditioner with the rotation mechanism. The rotation mechanism with the bearing set includes a bearing seat, a center bearing, a planetary gear seat, more than two planetary gears, a motor, a drive wheel ring structure, and a rotation slide rail, the middle part of the bearing seat is provided with a bearing installing shaft, the inner ring of the center bearing is fixed to the bearing installing shaft, the planetary gear seat is fixed on the periphery of the bearing seat, the more than two planetary gears are arranged on the planetary gear seat, the motor is fixed in the center of the bearing seat and is arranged one side of the center bearing, and the drive wheel ring structure is in transmission connection with the motor. The motor is in transmission connection with the drive wheel ring structure, and the drive wheel ring structure is fixedly connected with the outer ring of the center bearing, so that the radial displacement of the drive wheel can be minimized as possible; and moreover, the center bearing and the peripheral planetary gears can realize the control of the axial and radial freedom degree of the rotation slide rail and the drive wheel ring structure, so that the smooth movement of the rotation slide rail can be guaranteed and the shaking can be prevented.

The invention relates to a wire take-up shaft end positioning of an enamelling machine. The invention is characterized in that the positioning device comprises a positioning head; two sides of the positioning head are connected with a left end cover and a right end cover respectively by bearings; the positioning head is provided with a through hole in the middle part and a circular groove in the base part; the right end cover is connected with a cantilever, a circular fixing seat is arranged at one end of the cantilever and the fixing seat is connected with the cantilever as a whole body. The invention has good stability without shake when the wire take-up shaft is rotated at a high speed and has good wire arrangement quality.

The invention discloses an online detection device for viscosity of water-based printing ink for corrugated board printing. The online detection device comprises a base, a viscometer body, a protection frame, a fixing plate fixedly connected between the two sides of the inner wall of the base, and a supporting column fixedly connected to the back face of the base, wherein a placement barrel is fixedly connected to the top part of the fixing plate, and a material storage barrel is movably connected to the interior of the placement barrel through a supporting block. The online detection device relates to the technical field of corrugated board production. According to the online detection device for viscosity of water-based printing ink for corrugated board printing and a detection method thereof disclosed by the invention, the height of the material storage barrel is automatically adjusted, the viscometer body is properly and manually adjusted, meanwhile, the material storage barrel isstably limited in the placement barrel, shaking of the material storage barrel cannot be caused even during adjustment, the subsequent viscosity detection precision of the water-based printing ink ishigher, the problems that the economic cost is high and the overall weight of the device is increased due to the fact that many mechanical transmission assemblies are adopted are solved, and the detection efficiency of the water-based printing ink is improved.

The invention discloses a detachable strain preservation tube. The detachable strain preservation tube comprises a plurality of test tube bodies, wherein the top of each test tube body is connected with a test tube cover, the test tube body is sleeved with an annular plate, the inner wall of an opening on the top of the test tube body is provided with a slow flow ring, an anti-splash ring is nested in the slow flow ring, a sealing plug is arranged in the test tube cover, a liquid absorption tube is connected into the test tube cover, the upper end of the liquid absorption tube is connected with a rubber absorption ball, the bottom of the test tube body is provided with a stable platform, a groove is formed in the stable platform, the test tube body is arranged in the groove, and the bottom of the test tube body is connected with the groove by virtue of a plurality of springs. The preservation tube can automatically and stably erect when the strain solution is loaded or fetched, so that the operation is more convenient; and meanwhile, the plurality of test tubes are assembled and disassembled, so that the plurality of test tubes can be assembled together to be operated, the stability is improved, no extra sucker is needed for transferring the liquid, and the liquid transfer can be realized directly by virtue of the liquid absorption tube on the test tube cover.

The invention discloses a mining concrete wet spraying machine, and relates to the technical field of engineering machinery. The mining concrete wet spraying machine comprises a frame body, a power device and a concrete pumping system, wherein the concrete pumping system comprises a pumping device and an arm body telescopic device, the pumping device comprises a loading end and a first output end, a platform frame is suspended at the front end of a front frame and is used for mounting the arm body telescopic device, the concrete pumping system further comprises a gas compression device, the gas compression device is arranged on the front frame, the arm body telescopic device is arranged at the front end of the front frame and is close to the ground, so that the arm body telescopic device can rotate in the circumferential direction, and the rotation is not easy to interfere with other devices on the frame. The mining concrete wet spraying machine has the advantages of being stable in machine body structure, good in balance capacity, high in gas conveying efficiency, small in energy consumption, high in spray-seeding efficiency and the like.

The invention discloses a prostate and rectum isolating device, and relates to the technical field of medical instruments. The device comprises a hose, the head end of the hose is closed, the tail end of the hose is open, a hollow first channel is formed in the hose, and the first channel communicates with the tail end and the head end of the hose; the head end of the hose is provided with a balloon, the balloon is arranged at the head end of the hose in a wrapping mode, the hose is further provided with a first through hole, the first through hole is communicated with the hose and the balloon, the balloon is of an ellipsoidal structure after being filled, and the balloon is made of soft materials; a control valve is arranged at the tail end of the hose, and the control valve enables the interior of the hose to be communicated with the outside or to be closed. When the prostate of a patient is treated, the prostate is isolated from the rectum, so that shaking of the prostate is avoided, the prostate is accurately positioned, and meanwhile, damage to the rectum caused by treatment is prevented.

The invention relates to a hoisting technology for an acrylic plate, in particular to a hoisting technology for a giant acrylic plate. The hoisting technology for the giant acrylic plate comprises thesteps that 1, the acrylic plate is transported to a ground hoisting position; 2, the acrylic plate is prepared to be hoisted after it is ensured that cranes, the acrylic plate and a ground supportingpoint are safe; 3, the large crane is used for hoisting the small crane into a large fish tank; 4, the acrylic plate is fixed through a hoisting tool; 5, the large crane is used for hoisting the acrylic plate into the large fish tank; 6, the medium crane is used for hoisting the acrylic plate to the installation position in the large fish tank; and 7, the acrylic plate is fixed, a worker stands on a movable scaffold and cooperates with a worker who operates and controls the crane to align the acrylic plate to the installation position on a wall, then, the worker pushes the acrylic plate to the installation position, and the acrylic plate is embedded into the installation position.

The invention discloses a swing type stamping mould. The swing type stamping mould comprises a lower mould swing slide block, a swing slide block base, an upper mould slide block, swing shafts and a drive device, wherein the swing slide block base is of a box body structure; the drive device is arranged at the bottommost end of the swing slide block base for driving the lower mould swing slide block to rotate around the swing shafts; the lower mould swing slide block is arranged above the drive device for placing a product; the two swing shafts are separately fixed at the two ends of the lowermould swing slide block; and the upper mould side block is arranged above the lower mould swing slide block for reshaping the product. Compared with the prior art, the swing type stamping mould has the beneficial effects that: the swing shafts are arranged at the two sides of the lower mould swing slide block, and an air cylinder and an inclined wedge structure drive the lower mould swing slide block to rotate around the swing shaft, so that in comparison with a conventional push type stamping mould, the swing type stamping mould has the advantages of being simpler in structure, small in occupied space, reducing cost, being low in mould closing height, and being capable of improving stamping production efficiency.

The invention discloses a one-way valve mechanism for an excavator boom and a rotation oil path system. A plurality of first throttling holes are formed in the periphery of the front end of a first one-way valve, a sleeve is arranged on the first one-way valve, a plurality of throttling buffer holes are evenly formed in the sleeve, and the sleeve is used for being communicated with a pressure oil path; a second one-way valve capable of moving is arranged in a cavity of the first one-way valve, and a plurality of second throttling holes are formed in the periphery of the second one-way valve; and the rotation oil path system is provided. In the rotation process, when an operation boom ascends, the second one-way valve moves in the direction of an oil supply source at the moment of boom starting, meanwhile, the head of the sleeve is stressed, the first one-way valve and the second one-way valve do same-direction movement, hydraulic oil flows over through the throttling holes to reduce the motion speed of the first one-way valve, and the first one-way valve continues to move until complete throttling is achieved; and the hydraulic oil flows over through the throttling buffer holes to reduce the motion speed of the first one-way valve, the rotation oil inlet amount is gradually changed, and shaking of the whole mechanism cannot be caused.

The invention belongs to the technical field of fiberboards, and particularly relates to a medium-density fiberboard which comprises a main board, an extension plate and a pressing plate. The main board is arranged to be a cuboid, one side surface of the main board is arranged to be an arc surface, and a first groove is formed in one side surface of the main board. One surface of the first grooveis connected with the bottom of the main board, and the extension plate is connected into the first groove in a sliding mode. The surface, close to the groove bottom of the first groove, of the extension plate is obliquely arranged, and the extension plate can slide into the first groove. An L-shaped groove is formed in the other side surface of the main board. One end of the L-shaped groove is connected with the groove bottom of the first groove. The structural performance of the medium-density fiberboard is improved while the original material performance of the medium-density fiberboard isguaranteed so that the medium-density fiberboard does not sink when being placed on a humid soil pavement by a worker, and the stability of the medium-density fiberboard is improved; and meanwhile, the attractive effect of the medium-density fiberboard cannot be influenced.

The invention discloses a monorail Electrical Monorail System suspension trolley. The suspension trolley (1) is suspended on a track (6) to operate, the suspension trolley comprises two sets of walking wheels (11), connecting joints (12) are arranged at the lower ends of the walking wheels, the walking wheels are rotationally connected with the connecting joints, the rotary connection means that the connecting joints can rotate around Z axis, a connecting base (2) is arranged between the connecting joints of the two sets of walking wheels, the connecting base is hinged to the connecting jointswith the Y axis as the axis, and a goods shelf (7) used for loading goods is installed on the connecting base. According to the monorail Electrical Monorail System suspension trolley, the goods shelfpart used for loading the goods is connected with the walking wheels through the connecting joints, and the connecting joints can form Z-axis rotation and Y-axis rotation, so that the suspension trolley can realize smooth turning and climbing or downhill actions and can adapt to more mounting environments, and violent shaking of the goods shelf does not be caused during operation.