245results about How to "Increase height" patented technology

This invention discloses a double-layer fully automatic opening and closing roller beam device for subway rail transportation, including an upper roller beam, a lower roller beam, a drive column, and side columns corresponding to the drive column. The horizontally transverse upper roller beam is rotatably mounted on the drive column at one end and rests on the side column at the other end. It also includes an automatic control mechanism and a roller beam rotation support mechanism on the same longitudinal line as the drive column. The automatic control mechanism includes a control host and several position sensors installed on the side columns and the roller beam rotation support mechanism to transmit the position information of the upper roller beam. The position sensors feed back signals to the control host to automatically control the opening and closing of the upper roller beam. It is installed on an adjustable height support beam, which includes a support beam, crossbeam support feet, and a crossbeam height adjustment mechanism. It has the advantages of fully automatic opening and closing of the roller beam, simple operation, time and labor saving, high personal safety factor, and high overall structural stability.

The utility model discloses a wheat and corn triangular final singling interplanting close planting planter, which comprises a traction frame, a land wheel and seeding monomers, the seeding monomers perform small double-row triangular final singling mode seeding during seeding, at least two seeding monomers are arranged on the traction frame side by side through a four-bar linkage, the land wheel is connected with the traction frame through a connecting frame, and the land wheel is connected with the traction frame through a connecting frame. The land wheel is linked with a transmission through a transmission mechanism, the transmission drives the seeding monomers to synchronously rotate through a driving mechanism to realize seeding operation, and the distance between the seeding monomers is matched with a corn interplanting area reserved during wheat planting and seeding; the sowing machine is improved on the basis of an existing sowing machine, a small double-row triangular final singling sowing mode is adopted for corn sowing in a corn interplanting area reserved during wheat sowing, the wheat and corn interplanting mode is optimized, the corn sowing density is increased, the interplanting land utilization rate is increased, and the yield is increased.

The utility model relates to the technical field of serving trolleys, and discloses a heat preservation serving trolley convenient for taking and placing meals, which comprises a heat preservation box, universal wheels are arranged on the lower surface of the heat preservation box, a connecting rod is arranged between every two adjacent connecting seats, and the outer surface of each connecting rod is connected with a sliding block in a sliding mode. Through the buffer structure, when the placing structure vibrates, the placing structure and the supporting plate move towards the interior of the shell, and the sliding block is pushed through the supporting rod, so that the sliding block moves on the connecting rod in the axial direction and gradually compresses the spring, the spring deforms, kinetic energy is converted into elastic potential energy, and the elastic potential energy is generated; and when the placing structure moves towards the interior of the shell, the output end of the damping telescopic rod shrinks, and when the placing structure slides upwards in the shell to reset, the output end of the damping telescopic rod is stretched, so that the springback speed of the spring is restrained, vibration generated when the placing structure resets is avoided, and the damping effect is achieved.

The present invention relates to a shock absorber (100) comprising a cylinder (7), a piston rod (2) and a piston (6) attached to said piston rod (2). The piston (6) is arranged in said cylinder (7) and a damping chamber comprising a damping media is defined in the cylinder (7). The shock absorber (100) further comprises a gas spring in functional connection with the damping chamber and at least one characteristic of the gas spring is adjustable by a user-adjustable feature arranged within the piston rod, wherein said user adjustable feature affects the enclosing area of the damping chamber, thereby indirectly affecting the gas spring through the functional connection.

The invention belongs to the technical field of moxibustion cabins, and discloses a full-automatic intelligent moxibustion cabin with a smoke purifying function, which comprises a moxibustion cabin body, a box body is fixedly mounted in the moxibustion cabin body, a supporting round block is fixedly mounted at the top of the box body, a threaded sleeve I is fixedly mounted at the bottom of the supporting round block, and a smoke purifying device is fixedly mounted at the bottom of the threaded sleeve I; a first threaded rod is movably mounted in the first threaded sleeve. Compared with a traditional moxibustion cabin, the moxibustion cabin has the advantages that the first teeth and the second teeth are matched, the height of the moxibustion box and the height of the moxibustion plate can be reasonably adjusted according to the internal temperature of the moxibustion cabin body, in this way, it can be ensured that the moxibustion temperature is appropriate, and irritation or discomfort caused by too high or too low temperature to the skin is avoided; by accurately adjusting the heights of the moxibustion box and the moxibustion plate, the moxibustion device can be better aligned to acupuncture points or treatment parts, the treatment effect is improved, and meanwhile the moxibustion box and the moxibustion plate can be flexibly adjusted in a matched mode.

This utility model discloses a pillow that provides all-around support for the cervical spine during sleep. It includes an upper pillow core and a lower pillow core. Both the upper and lower pillow cores have outer covers. Left and right support sections are also covered with outer covers. The upper pillow core includes a left side, a right side, and a support section. The left and right sides of the support section are connected, and the outer cover of the support section is fixedly connected to the middle of the outer cover of the lower pillow core. The outer cover of the left support section is connected to the pillowcase outside the left side, and the outer cover of the right support section is connected to the pillowcase outside the right side. Its advantage is that the upper pillow core covers the neck, and when the body turns over, the movement of the neck moves the upper pillow core, thus pulling the entire pillow forward. This ensures that the upper pillow core remains in position relative to the neck during sleep, providing real-time support for the cervical spine throughout the entire sleep process, allowing the cervical spine to relax and recover effectively.

The utility model belongs to the technical field of display packaging, and particularly discloses a Pizza packaging box which comprises a Pizza outer box, a paper-plastic tray and a lower support. The lower support comprises a first side pipe, a second side pipe, a first blocking pipe and a second blocking pipe, and the sections of the first side pipe, the second side pipe, the first blocking pipe and the second blocking pipe are all in an L shape. The first blocking pipe and the second blocking pipe are located on the inner side of the Pizza outer box, and the vertical sides of the L shapes make contact with the inner side of the Pizza outer box. The vertical sides of the L shapes of the first side pipe and the second side pipe are located in the two side walls of the Pizza outer box, and the horizontal sides of the L shapes of the first side pipe and the second side pipe extend out of the interiors of the two side walls of the Pizza outer box; the height of the second side pipe is matched with the height of the interior of the side wall of the Pizza outer box, a first placement through hole is formed in the side wall of the Pizza outer box, and a second placement through hole is formed in the second side pipe; an opening is formed in the side, close to the containing groove of the second side pipe, of the paper-plastic tray and corresponds to the first containing through hole. The height of the second side pipe is increased, so that the strength of the side is improved, and the crashworthiness of the side is guaranteed.

The utility model discloses a kind of riveting devices for fixing automobile seat accessories of multiple model adaptation, it is related to automobile seat accessory technical field, including riveting machine, the upper surface of riveting machine is fixedly connected with control cabinet, the upper surface of riveting machine is uniformly fixedly connected with six machine bases, the inner wall of machine base is installed with motor, the output of motor is fixedly connected with telescopic mechanism, the output of telescopic mechanism is fixedly connected with spin riveter, the upper surface of riveting machine is fixedly connected with mounting seat, the upper surface of mounting seat is fixedly connected with base, the upper surface of base is slidably connected with two clamping plates, the upper surface of base is fixedly connected with support plate, the upper surface of support plate is rotatably connected with pressing plate, this one kind riveting device for fixing automobile seat accessories of multiple model adaptation reaches the effect that slide rail is automatically popped out to a certain height after riveting fixation, to avoid the problem that personnel is inconvenient to take after slide rail is located between multiple spin riveters as far as possible.

The invention relates to the field of equipment control, and provides an obstacle avoidance method of self-moving equipment, the self-moving equipment and a storage medium, and the self-moving equipment is provided with a work module which is used for executing work operation adjacent to a preset plane in the moving process of the self-moving equipment; the method comprises the steps of controlling the self-moving equipment to collect environment information of a working area in the process that the self-moving equipment executes operation; under the condition that the obstacle information exists in the environment information, determining a corresponding obstacle attribute according to the obstacle information; and under the condition that the obstacle attribute belongs to a preset obstacle, a preset obstacle avoidance strategy corresponding to the obstacle information is executed until the distance information of the obstacle meets a preset condition, and the preset obstacle avoidance strategy at least comprises the step of increasing the distance of the operation module relative to a preset plane. Due to the fact that the height of the operation module is increased when the obstacle is encountered, the obstacle is prevented from damaging the operation module, and interruption of operation of the self-moving equipment is avoided while the obstacle is avoided.

The utility model relates to a sample introduction tube technical field especially, it relates to a kind of support device of ICP equipment sample introduction tube, including fixed frame;Still including installation sliding column, fixed frame top is fixedly connected with installation sliding column, rack is slidably connected in installation sliding column interior, installation sliding column side is equipped with slot, slot side is equipped with installation disc, installation disc is fixedly connected with gear, installation disc center is rotatably connected with rotating sleeve, rotating sleeve is fixedly connected with fixed support on, fixed support is rotatably connected with buckle on, buckle and gear are movably connected;The utility model is through rack, gear and rotating thread strip, the precise adjustment of the height of sample introduction tube is realized, the sample introduction demand of atomizer can be accurately matched, to improve atomization efficiency, and enhance the stability and sensitivity of detection signal, and appropriately reduce sample introduction height can reduce atomizer blockage risk, improve height can reduce the volatilization loss of sample in transmission process, prolong the life of key components.

The utility model discloses a crop cultivation seedling transplanting device, and belongs to the field of seedling transplanting devices. A crop cultivation seedling transplanting device comprises a rack and a tooth conveying belt connected to the rack in a sleeving mode, and further comprises a flexible transmission belt fixedly connected to the tooth conveying belt, a sleeve is fixedly connected to the side, close to the tooth conveying belt, of the flexible transmission belt, a rubber stop block is fixedly connected into the sleeve, and the rubber stop block is fixedly connected with the tooth conveying belt. A thin seam capable of deforming is formed in the rubber stop block; the at least two groups of gears are connected in the tooth conveying belt in a meshed manner, and driving parts are arranged on the gears; the pedal is connected to the rack in a sliding mode, and two pressing rods are fixedly connected to the bottom of the pedal; the driving piece drives the tooth conveying belt and the flexible transmission belt to conduct transmission, the position of the sleeve can be adjusted, the pedal is used for driving the pressing rod to move downwards, fingered citron cutting slips placed in the sleeve can be subjected to cuttage, and therefore the cuttage efficiency of the fingered citron cutting slips is improved.

The utility model provides an adjustable glasses nose pad, which relates to the technical field of glasses, and is characterized in that the adjustable glasses nose pad comprises a nose pad fixing frame, a rotating piece and a nose pad body, the rotating piece is rotatably arranged on the nose pad fixing frame, the nose pad body is fixedly arranged on the rotating piece, and the nose pad body is fixedly arranged on the rotating piece. And clamping groove and clamping block structures which are clamped with each other are arranged on the nose pad fixing frame and the rotating piece. Through the multi-gear clamping groove and clamping block structure between the rotating piece and the nose pad fixing frame, stepped adjustment of the angle of the nose pad is achieved. The clamping blocks can be embedded into the clamping grooves in different positions, so that the silica gel nose pad body forms multi-angle support, the individual requirements of different nose bridge heights and widths are met, and the wearing adaptability is remarkably improved.

This utility model provides a battery swapping lifting unit, including a body plate, which is horizontally rectangular, with several support frames on its top. A drive shaft is horizontally rotatably connected to the support frames. A lifting column is coaxially connected to the drive shaft, and a lifting cable is sleeved on the outer wall of the lifting column. One end of the lifting cable is fixedly connected to the lifting column, and the free end is connected to the bottom of the body plate. The lifting cable located between the body plate and the lifting column is U-shaped with its opening facing upwards. Several limiting cylinders are provided at the bottom of the body plate, and a limiting groove is vertically formed at the bottom of each limiting cylinder. This utility model provides a battery swapping lifting unit that can improve battery swapping efficiency.

The heightening box comprises a bottom plate and side plates arranged on the bottom plate, the side plates comprise a first side plate and a second side plate which are adjacently arranged, a first cover plate is arranged at the top end of the first side plate, a second cover plate is arranged at the top end of the second side plate, and a first adjusting part is arranged at the joint of the bottom end of the first cover plate and the first side plate; and a second adjusting part is arranged at the joint of the bottom end of the second cover plate and the second side plate. According to the heightening box, the first adjusting part and the second adjusting part are arranged at the bottom of the first cover plate and the bottom of the second cover plate respectively, the first adjusting part comprises the multiple first heightening sections which are flexibly connected, and the second adjusting part comprises the multiple second heightening sections which are flexibly connected; bending force is applied to the first heightening joints or the second heightening joints so that indentations can be formed between the first heightening joints and the second heightening joints, when the height of objects in the box body exceeds the height of the box body, the first heightening joints and the second heightening joints can be used for increasing the overall height of the box body, the box body can flexibly adapt to the objects of various sizes, and packaging convenience is improved.

The utility model provides a kind of road surface disease detection device, including detection car, camera for being arranged on detection car and being used to shoot lane marking line image, and three-dimensional laser imaging component for being arranged in detection car rear side and being used to detect disease, pressure bucket containing paint is further equipped in detection car inside, spray head connected to pressure bucket by pipeline is equipped on detection car below three-dimensional laser imaging component, spray head is connected to pressure bucket by pipeline, and solenoid valve is equipped on the pipeline of connection, when three-dimensional laser imaging component detects disease, system control solenoid valve opens pipeline, paint in pressure bucket enters pipeline and is sprayed to corresponding position by spray head, so as to mark disease position, staff only need to find disease position by marking point, so that detection car does not need to wait staff to come over to handle in situ, can continue to work and find next disease point, to improve the work efficiency of detection car.

The utility model provides a prevent falling heightening baffle for sickbed, including baffle main part and detachable installation structure, wherein, baffle main part is provided with first lug and second lug, and first lug and second lug can be inserted to the first hollowing and second hollowing position of sickbed bed baffle, detachable installation structure can fix and install baffle main part on sickbed bed baffle, use, and the lug is respectively aligned with hollowing installation into, and the interference fit of lug and hollowing installs baffle main part on sickbed bed baffle, after installation, baffle main part is firmly fixed on sickbed bed baffle through detachable installation structure, the utility model discloses a prevent falling heightening baffle for sickbed, installs baffle main part on sickbed bed baffle, and the height of sickbed bed baffle is increased, like this, even if not using the restraint of belt to the old patient, when they turn over on the bed or other activities, the falling of bed also does not occur, this not only avoids the physical discomfort of the old patient who is brought by belt, also reduces their psychological resistance.

The utility model discloses a food metal detector, including mounting rack, conveyer belt, protection support and detection device, the both sides of mounting rack outer wall are fixedly provided with fixed plate, the inside of fixed plate is rotatingly provided with screw, the upper part of screw outer wall is in threaded connection with threaded cylinder, and the threaded cylinder is in threaded connection with the screw. And the threaded cylinder is fixedly installed at the bottom of the protection support, a double-head motor is fixedly arranged at the bottom of the installation frame, the two output ends of the double-head motor are both connected with rotating shafts, a driving wheel is fixedly arranged at one end of each rotating shaft, and a driven wheel is meshed with one side of each driving wheel. The food metal detector relates to the technical field of metal detectors, the screw rod and the threaded cylinder are arranged between the mounting rack and the protection support, and under the driving of the double-head motor, the lifting control of the protection support is realized, so that the overall trafficability of the food metal detector is improved, and the safety of the food metal detector is improved. Meanwhile, the phenomenon that signals are weak when small food passes through the detector is avoided.

The utility model relates to a household high-voltage sound box, which comprises a sound box body, a plurality of LED lamp strips extending upwards are arranged on the outer side surface of the sound box body in an embedded manner, a control panel is further arranged on the outer side surface of the sound box body in an embedded manner, and a plurality of buttons are arranged on the side surface of the control panel. An interface is embedded in the side surface of the control panel on one side of the button, a first loudspeaker and a second loudspeaker are embedded in the outer side surface of the sound equipment body, and a third loudspeaker is embedded in the bottom end of the sound equipment body; according to the technical scheme, a plurality of groups of loudspeaker unit setting areas are arranged, a plurality of groups of loudspeaker units can be placed, the two mirrored sound equipment bodies can form a sound equipment array, the sound quality effect of the loudspeaker is further improved, the shape structure of the sound equipment is adjusted, a curved surface structure extending upwards is formed, and the sound equipment is more compact. An LED light bar can be arranged on the outer side surface of the sound box, interaction with the sound box can be achieved by adjusting the light effect of an LED, and the playability of the sound box is improved.

The utility model discloses a kind of sodium ion battery processing electrolyte filling mechanism, including workbench and liquid storage tank, the upper surface of the liquid storage tank is fixedly installed on workbench, the upper surface of the liquid storage tank is connected with liquid inlet pipe, the upper surface of the workbench is fixedly installed with liquid pump, the water inlet of the liquid pump is fixedly installed with liquid suction pipe, the bottom end of the liquid suction pipe is connected with the bottom of liquid storage tank, the water outlet of the liquid pump is fixedly installed with liquid pipe.The utility model, by being set up the cooperation of workbench, liquid storage tank, liquid pump, liquid suction pipe, liquid pipe, valve, extension pipe, liquid storage grid, liquid outlet pipe and liquid outlet head component, the function of replacing liquid outlet head quickly and conveniently is realized, the installation mode of the liquid outlet head in existing device is improved, so that when liquid outlet head is blocked or damaged, liquid outlet head can be quickly replaced, the processing efficiency of sodium ion battery is improved.

The utility model provides a multi-layer three-dimensional fishpond with a steel structure frame, and solves the problems that a factory fishpond is large in occupied area and low in land utilization rate when used for culturing fishes, and a multi-layer fishpond with a concrete brick-concrete structure is large in weight and high in construction cost. According to the technical scheme, a main body of a fishpond supporting structure is a three-dimensional steel structure frame which is formed by supporting and connecting a plurality of steel structure stand columns and steel frame beams and is provided with a bottom layer frame structure and an upper layer frame structure; the unit fishponds comprise a plurality of bottom layer unit fishponds defined by a plurality of groups of shear walls and upper layer unit fishpond supporting openings formed by supporting a plurality of steel frame beams on the periphery to fix the upper layer unit fishponds, a steel structure frame connected structure is adopted, the light-weight and intensive three-dimensional fishpond is formed, and under the condition that the number of built traditional fishponds is equal, the number of the built traditional fishponds is larger than that of the built traditional fishponds. The land use area is greatly reduced, concentrated hidden laying of pipelines is achieved, the space utilization rate and maintenance convenience are improved, and the engineering cost and the building cost are saved.

The invention provides a V2G intelligent control system and a control scheduling method thereof. The V2G intelligent control system comprises an acquisition module, a calculation module and a scheduling module, the acquisition module is used for acquiring multi-source data; the calculation module comprises a multi-time-scale three-layer hybrid optimization model; the multi-time-scale three-layer hybrid optimization model comprises a planning layer, a correction layer and a response layer; and the scheduling module is used for receiving the real-time charging and discharging decision output by the response layer in the calculation module, converting the real-time charging and discharging decision into a control signal and issuing the control signal to corresponding electric vehicle charging equipment to execute scheduling. By means of a multi-time-scale three-layer hybrid optimization model of a calculation module, global overall planning is achieved by making a long-period strategy through a planning layer, a correction layer is combined with a real-time data dynamic adjustment strategy to deal with disturbance, and a response layer adapts to user requirements to generate individual decisions to consider heterogeneity. Therefore, the problems of staticizing, poor adaptability and insufficient multi-target balance of traditional scheduling are effectively solved, and the flexibility and reliability of cooperative operation of the V2G system and the power grid are improved.

The winch with the walking mechanism comprises a winding drum, a base, a winding drum support and an installation platform, the base moves on the installation platform in a reciprocating mode, a fixed support is installed in the middle of the installation platform, a lead screw matched with a lead screw nut is installed on the fixed support in a rotating mode, and a driven chain wheel is installed at one end of the lead screw. A winding drum support is installed at the top end of the base, a bearing seat is installed on one side of the winding drum support, the winding drum is installed on the bearing seat, a driving chain wheel is installed at one end of the winding drum, and the driving chain wheel and a driven chain wheel are connected through a chain. A motor is installed on the other side of the winding drum support and drives the winding drum to rotate through a planetary gearbox. According to the utility model, when the winch works, the winding drum part of the winch can correspondingly and axially move along with the winding and unwinding of the steel wire rope on the winding drum, so that the relative position of the steel wire rope is not changed.

This invention relates to the field of meat cutting technology and discloses a meat cutting device for food production, comprising: a rotating cutting blade in the shape of a grid cylinder with a cutting edge on the outer ring side; a base that partially surrounds the lower side and a horizontal side of the cutting blade; an arc-shaped surface located inside the base and corresponding to the cutting blade, with the distance between the lower end of the arc-shaped surface and the cutting blade gradually decreasing upwards; the meat to be cut enters through the gap between the lower end of the arc-shaped surface and the cutting blade, moves around the outside of the cutting blade, and gradually enters the inner side of the cutting blade grid to be cut into meat pieces; a pressing component located above the cutting blade, pressing down on the grid corresponding to the cutting blade, causing the meat pieces within the grid to pass through the cutting blade and fall; this invention utilizes the rotation of the cutting blade to bring the meat to be cut into the gap between its outer side and the arc-shaped surface, the arc-shaped surface causing the meat to gradually enter the inner side of the grid to be cut into meat pieces, and the pressing component to separate the meat pieces from the cutting blade, achieving one-time cutting into pieces, with the characteristics of no obvious impact and a stable cutting output process.

The utility model provides a printer with an automatic lifting cross beam, which comprises a rack, a printing headstock, a movable cross beam and a printing platform, lifting assemblies used for driving the movable cross beam to move up and down are arranged on two sides of the printing platform, each lifting assembly comprises a mounting plate, and a screw rod is vertically mounted on one side of each mounting plate through a bearing seat. A supporting plate is vertically and slidably connected to one side of the mounting plate, and the top end of the supporting plate is fixedly connected with the bottom end of the movable cross beam; the lead screw is connected with a ball nut, and the ball nut is arranged between the mounting plate and the supporting plate and fixedly connected with the supporting plate through a fastener. Compared with the mode that a ball nut is fixed, and a lead screw rotates and moves in the prior art, the ink-jet printer has the advantages of being smaller in inertia, higher in precision and longer in service life, meanwhile, the ink-jet printer has higher acceleration and dynamic response speed, and can be better suitable for large-breadth ink-jet printing scenes.

The application provides a multi-frequency antenna and a communication device. The multi-frequency antenna comprises a reflecting plate, a first radiating unit and a second radiating unit, the first radiating unit and the second radiating unit are arranged on one side of the reflecting plate, and the first radiating unit is located between the reflecting plate and the second radiating unit. The first radiating unit comprises a first radiating part and a metal plate, and the metal plate is located between the first radiating part and the second radiating unit. The second radiating unit comprises a second radiating part and a metal ring, and the metal ring is located between the second radiating part and the metal plate. When the above structure is adopted, the size of the multi-frequency antenna as a whole can be reduced, and the first frequency band and the second frequency band have high isolation, so that the two frequency bands can work independently, the multi-frequency antenna can meet the miniaturization demand of the common antenna surface, the antenna works stably, and the efficiency is high.

The application relates to the technical field of soft soil foundation treatment, and discloses a dynamic compaction device based on a static-dynamic drainage consolidation method, which comprises a moving frame, a soft soil foundation, a well point pipe inserted into the soft soil foundation, universal wheels fixedly installed at the bottom of the moving frame, and a dynamic compaction assembly arranged on the moving frame. The dynamic compaction assembly comprises a dynamic compaction part and a reinforcing part. The dynamic compaction part is located at the top of the moving frame, and a drainage part is arranged outside the dynamic compaction part. With the downward movement of a tamping plate, a lower pressing plate is driven to move downward, and then a L-shaped plate II is driven to move downward, so that the L-shaped plate II drives a fixed plug to move downward and is inserted into the soft soil foundation, thereby ensuring the stability of the whole device when the soft soil foundation is tamped. After the tamping plate moves to the uppermost position, a spring lifts a connecting plate, thereby driving the L-shaped plate II to move upward, the fixed plug can be pulled out of the soft soil foundation, and the whole device can be normally moved.

This utility model relates to a steering wheel walking mechanism for ridged planting land, comprising a frame, a drive assembly, and tracks. The drive assembly is mounted on the frame, and a mounting frame is located on the outer bottom of the frame. A drive wheel is located on the top of the mounting frame, and the drive assembly drives the drive wheel to rotate. Two pairs of support wheels are located at the bottom of the mounting frame. The tracks are wound around the drive wheel and the two pairs of support wheels, and are driven by the drive wheel. The steering wheel walking mechanism for ridged planting land provided by this utility model, by combining the mounting frame located on the outer bottom of the frame with the tracks, raises the height of the frame, thereby increasing the height of the chassis mounted above the frame. When moving on ridged planting land, it can prevent the chassis above the frame from colliding with the ridge. By increasing the ground clearance of the chassis and optimizing walking stability, agricultural machinery can adapt to complex terrain between ridges.

This utility model discloses a pickup truck roll-up taillight device, including roll-up side rods and an extension support plate. Two roll-up side rods are arranged facing each other. The extension support plate is located on one side of each roll-up side rod, and a roll-up slide rail is provided on the side of the roll-up side rod facing away from the extension support plate. A receiving groove is provided at the front end of the extension support plate, and a lamp body is provided on the receiving groove. A mounting hole and a pin are provided at the rear end of the bottom surface of each roll-up side rod. This pickup truck roll-up taillight device can be installed on both sides of the open cargo box of a pickup truck. The roll-up slide rail on the roll-up side rod can slide and connect with the vehicle's roll-up curtain, thereby closing the cargo box opening and preventing the cargo from getting wet. The lamp body on the extension support plate can be electrically connected to the vehicle's taillights, increasing the height of the light source and the overall brightness of the cargo box, making it easier for following vehicles to see and reducing blind spots.

The invention discloses a paper extraction box which comprises a box body. The box body is provided with a paper outlet and a paper fixing opening. The paper outlet and paper fixing opening is formed by combining the left side and the right side, and the middle is used for paper extraction and paper output. The left side and the right side are totally or partially close to or in contact with each other to form an approximately closed or closed structure; the two sides of the paper outlet and paper fixing opening make contact with static extraction paper to a certain degree, so that continuous meshing acting force is exerted on the extraction paper, enough friction force is generated, and the extraction paper fixed in the paper outlet and paper fixing opening cannot fall back into the box to be broken. At least the part, close to the paper outlet, of the panel protrudes upwards at a certain angle or radian, so that a certain radian or angle is formed between the panel and the paper folding plane of the extraction paper, and resistance generated when the extraction paper is extracted is reduced. By the adoption of the technical scheme, when paper is extracted under upward acting force, resistance is small, and the extracted paper can be discharged more smoothly; moreover, the paper outlet and the paper fixing port are free from the condition that the paper drops and is broken.