95results about How to "Affect movement" patented technology

The present invention discloses a transplating arm of transplanting machine. Its main technical key point is that an elastic supporting component is set between the contact positions of spring and transplanting arm cover; the seedling needle is equipped with a guideway, the extension direction of said guideway is identical to the movement direction of seedling-pushing bar, the seedling-pushing end portion of seedling-pushing jaw is extended into the guideway interior. Said seedling needle is made up by using metal sheet bent component; the transplanting arm shell or transplanting arm cover is equipped with a recessed groove around its connection end face, in the recessed groove interior an elastic sealing ring is set, the height of cross-section of the described sealing ring is greater than the depth of the described recessed groove, and the seal between the connecting end faces of transplanting arm shell and transplanting arm cover is reliable.

The invention provides a laser hole-making device based on a direct-current electric field and an axial magnetic field. The laser hole-making device comprises an electric field generating unit, a magnetic field generating unit and a workpiece rotating unit. The electric field generating unit comprises two electrode plates located on the left and right sides of a workpiece. The magnetic field generating unit comprises a first magnet located above the workpiece and a second magnet located below the workpiece and further comprises a lifting device controlling the heights of the first magnet and the second magnet. Whether the workpiece is driven by the workpiece rotating unit to rotate in the hole-making process or not is selected according to the need, while laser hole-making is conducted, the magnetic field generating unit generates the magnetic field perpendicular to the workpiece, the electric field generating unit generates the electric field in the horizontal direction, and a coupling energy field generated by the magnetic field generating unit and the electric field generating unit acts on the workpiece. According to the laser hole-making device, motion, forms, density and distribution of plasmas in the laser hole-making process are influenced through the additional electric-magnetic coupling energy field, thus the hole-making quality is improved, and the hole-making efficiency is improved.

The invention provides an engraving machine with high precision and high stability. The engraving machine comprises a pedestal, a Y-axis moving module, a portal frame, an X-axis moving module, a Z-axis moving module and a cutter head main shaft. The Y-axis moving module is installed on the pedestal, the X-axis moving module is installed on a cross beam of the portal frame, and the Z-axis moving module is installed on a saddle. The Z-axis moving module comprises a Z-direction sliding block installed on the saddle, a Z-direction linear guide rail installed on the Z-direction sliding block, a Z-axis sliding table installed on the Z-direction linear guide rail, the cutter head main shaft installed on the Z-axis sliding table, a Z-direction linear motor installed at the bottom surface of the Z-axis sliding table, a Z-direction motor magnetic plate installed on the saddle and cooperated with the Z-direction linear motor, a balance cylinder installed on the saddle, and a Z-direction grating ruler. The Z-axis sliding table is driven by the Z-direction linear motor and the Z-direction motor magnetic plate to elevate in the Z axis. A cylinder rod of the balance cylinder is connected with the Z-axis sliding table. The engraving machine is high in machining precision, stable in machining, and long in service lifetime.

The invention discloses a forced continuous sprag clutch. The forced continuous sprag clutch comprises a wedge block (1), a holder (2), an inner ring (3) and an outer ring, wherein the wedge block is a weakly-magnetic wedge block (1) of which the end surface is of a plane structure; the inner ring (3) and the outer ring (4) are manufactured from ferromagnetic materials; the holder (2) is manufactured from non-ferromagnetic material. According to the forced continuous sprag clutch, the weakly-magnetic wedge block is adopted and can be in contact with the inner ring and the outer ring all the time can be achieved, thus a spring of an original forced continuous sprag clutch and an original groove for mounting the spring can be removed, and as a result, the failure of the clutch caused by the failure of the spring can be avoided; meanwhile, the strength of the wedge block can be improved, so that the bearing capacity of the clutch can be improved, the service life of the clutch can be prolonged, and the difficulty in processing of the wedge block can be reduced; the forced continuous sprag clutch is outstanding in comprehensive effect.

The invention discloses a novel adjusting air cylinder which comprises a hollow cylinder body (2). The novel adjusting air cylinder is characterized in that a first boss (6) with a center hole (4) is arranged on the inner wall of the cylinder body (2); an inner cavity of the cylinder body (2) is divided into a first chamber (8) and a second chamber (10) by the first boss (6); the first chamber (8) and the second chamber (10) are communicated through the center hole (4); a piston (12) in sliding fit with the first chamber (8) and a piston rod (14) fixed to the piston (12) are arranged in the first chamber (8); a valve element (16), an exhaust hole (18) and an annular check ring (20) are arranged in the second chamber (10). The hollow cylinder body (2) is provided with the two chambers, and the motion of the air cylinder is divided into two relatively-independent parts; in this way, on the one hand, the stroke of the air cylinder can be shortened; on the other hand, fast exhaust can be achieved, and the lifting height and lifting frequency of the air cylinder are greatly improved.

The invention relates to the technical field of medical instruments, in particular to a driving structure and a device with a flexible joint. The driving structure comprises a driving body and a control line, the driving body is arranged between the flexible joint and a holding portion, two ends of the driving body are connected with the flexible joint and the holding portion, the two ends of thedriving body can relatively and eccentrically rotate, one end of the control line is connected with one end, far away from the driving body, of the flexible joint, the other end of the control line isconnected with the driving body, the two end of the driving body relatively and eccentrically rotate, the distance between a joint of the flexible joint and the control line and a joint of the driving body and the control line is changed, so that the control line draws the flexible joint to rotate. The device with the flexible joint comprises the driving structure, the holding portion and the flexible joint. According to the driving structure and the device with the flexible joint, when rotation of the flexible joint is operated, needed operation space is small, and use of the other operationdevices cannot be affected.

The invention discloses a conveying device for liquid pesticide production and filling equipment with the conveying device in the technical field of pesticide production. The conveying device comprises a base, a pulley mechanism, a chain wheel mechanism and a guide rail; according to the conveying device for liquid pesticide production and the filling equipment with the conveying device in the technical field of pesticide production, a pesticide bottle is placed on the conveying device for conveying; a supporting plate of a moving assembly is flush with a conveying belt; the pesticide bottle is placed on the supporting plate; when the pesticide bottle moves forwards along with the moving assembly; a guide shaft enters the guide rail, and is gradually descended to the lowest height under the action of the guide rail; the supporting plate on the moving assembly drives the pesticide bottle to move downwards along with the supporting plate so that a bottle groove in the conveying belt is positioned at the bottle body of the pesticide bottle; the pesticide bottle is limited in the bottle groove under the action of the bottle groove, which effectively avoid the problem that the pesticidebottle falls easily when conveying or filling; meanwhile, a supporting effect is provided for the moving assembly and the pesticide bottle through the guide rail so as to avoid the problem that the supporting plate moves downward to affect the movement of the moving assembly because of self weight after pesticide is filled subsequently; and the overall movement stability of the conveying device is improved.

The invention relates to a soil drilling robot, and aims to provide a submarine sediment stratum space drilling robot. The submarine sediment stratum space drilling robot comprises a lateral mud discharge drill bit mechanism composed of a drill bit and a transmission system, a front excavation supporting body section and a rear excavation supporting body section which are arranged along the axis, wherein the lateral mud discharge drill bit mechanism is located at the front end of the front excavation supporting body section, and a tail oil cable connector is arranged at the tail end of the rear excavation support body section. A front excavating propelling body section comprises an outer barrel, a hydraulic cylinder is arranged in the outer barrel, and the operation mode of telescopic claws can be changed through cooperation of the attraction effect of electromagnets and connecting flanges and a push rod of the hydraulic cylinder. The rear excavation supporting body section is provided with structural components which are the same as the front excavation propelling body section but arranged oppositely in the axis direction, and push rods and telescopic claws of the rear excavation supporting body section and the front excavation propelling body section have opposite action directions. According to the submarine sediment stratum space drilling robot, the body sections are independent in function, and the excavating propelling body sections can be increased according to specific working conditions so as to improve the movement capacity; and by means of the innovative excavating mode, soil around the robot can be squeezed backwards, pushed and excavated.

The invention provides a scanning bed. The scanning bed comprises a machine body, a control device and a driving mechanism and further comprises a bed board and a bed cover plate arranged on the machine body. The driving mechanism is used for driving the bed board to move on the bed cover plate; the scanning bed further comprises a detecting device connected with the control device, and the detecting device is used for detecting the distance between one fixed position of the bed board and one fixed position of the bed cover plate; when the detecting device detects that the distance between the fixed position of the bed board and the fixed position of the bed cover plate reaches preset distance, the control device controls the driving mechanism to stop so as to make the front end of the bed board protrude out of the front end of the bed cover plate. In the scanning bed, the detecting device is arranged to detect the distance between the bed board and the bed cover plate, the control device controls the driving mechanism to stop according to the detected distance, and therefore obstacles are prevented from entering the machine body and influencing motion of the bed board.

The invention relates to a polyethylene foam material recovery processing method. A workbench, a cutting device and a mincing device are included, wherein the cutting device is arranged on the left side of the workbench; the mincing device is arranged at the right end of the workbench; the cutting device comprises a fixing plate, a first motor, an installing barrel, a stop column, a transmission frame, a transmission plate and a cutting frame; and the mincing device comprises a stacking box, a C-shaped plate, an electric air cylinder, a supporting plate, a segmentation cutter, a push plate frame and a mincing frame. The cutting device is used for cutting foam, the width of the foam is reduced, the mincing device is used for storing and stacking the cut foam, meanwhile, the foam is minced,accordingly, the size of the foam material is reduced, and through screening of the foam, the situation that foam blocks not minced fall down to be collected is avoided.

The invention discloses a simulation device of instant unstable burst of a dam under an extreme load condition and an operation method, relates to the technical field of dam burst, and is a test device and a method suitable for researching instant burst of the dam caused by instability of a dam shoulder. The simulation device of instant unstable burst of the dam under extreme load condition comprises a leakage preventing unit, a fixed platform, the dam, a water tank and an unstable unit. The dam consists of multiple baffle plates, and is kept in a stable state under combined action of the fixed platform, the water tank and related parts in the leakage preventing unit and the unstable unit. The instability of the dam shoulder is realized through fusing of a copper wire by heating of a resistance wire in the unstable unit; and the instant burst test effect of the dam is realized through unbalanced stress of the dam and collapse and water rushing destroy of the baffle plates caused by unstable dam shoulder. The simulation device provides the test theory and method for research on instant dam burst mechanism and instant burst water current moving rules caused by unstable dam shoulder.

The invention provides modularized disc screening equipment for municipal solid waste. The modularized disc screening equipment comprises multiple groups of modularized screening units which are detachably connected; each modularized screening unit comprises a square support, each square support is provided with adjusting bases, the adjusting bases are symmetrically arranged on the two sides, without through holes, of the corresponding square support, every two adjusting bases are provided with no more than five rollers which are detachably connected and evenly distributed, the rollers comprise driving rollers and driven rollers which are rotatably connected with the driving rollers through chains, multiple coaxial discs which are evenly distributed are detachably connected to each roller, and multiple disc bases which are evenly distributed are integrally formed on each roller. According to the modularized disc screening equipment for the municipal solid waste, devices with different sizes are selected for different using conditions, and therefore resource waste is reduced; by arranging the detachable discs, the service life of the equipment is prolonged, the structure is stable, replacement is convenient, the equipment can be used for screening of small devices, and the cost is reduced.

The invention relates to a side brush assembly, a cleaning robot and a moving method of the cleaning robot, belongs to the technical field of cleaning equipment, and solves the problem that bristles of the existing cleaning robot influence the smooth movement of the cleaning robot. The side brush assembly comprises a side brush body, a side brush motor and bristles, wherein the side brush body isprovided with a bristle accommodating part; the bristles are arranged in the bristle accommodating part; the side brush motor can drive the bristles to extend out of and / or retract from the accommodating part; or the side brush motor can drive the side brush body to rotate. According to the side brush assembly, the bristles of the side brush can be prevented from being clamped into a gap of the ground, the movement of the cleaning robot cannot be influenced, the electric quantity consumption is reduced, the ground robot can quickly move to a designated position, and the cleaning time of the cleaning robot can be prolonged.

The invention discloses a green brick pushing method of a ceramic brick machine. The method comprises the following steps: after green bricks are pressed, high-pressure air is input into a lower die core, the high-pressure air is discharged from air holes in the surface of the lower die core, and the green bricks are pushed to be separated from the surface of the lower die core through the high-pressure air. Correspondingly, the invention further discloses the ceramic brick machine. According to the invention, air is blown to the green bricks through a ventilation channel and the air holes, and an air cushion layer is generated between the green brick and the lower mold core and between the green brick and a mold frame, so that the friction force of the green bricks is reduced under the action of air buoyancy, the green bricks are prevented from being damaged or bulged, and the forming quality of the green bricks is guaranteed.

The invention provides a cotton textile transporting and diversified unloading device. The cotton textile transporting and diversified unloading device comprises a cotton textile storage box, a blanking baffle plate and a pushing device, wherein the blanking baffle plate is mounted on the tail of the cotton textile storage box, and the pushing device is mounted on the head of the of the cotton textile storage box; the pushing device comprises a primary pushing rod, a primary pusher and an auxiliary pusher; the auxiliary pusher comprises an auxiliary pushing hopper and a pushing assembly; the primary pushing rod is mounted on the primary pusher while the other end of the primary pushing rod is fixed to the surface of the outer side of the head of the cotton textile storage box; the auxiliary pusher is mounted in the primary pusher, and the pushing assembly of the auxiliary pusher is fixed to the auxiliary pushing rod. The primary pusher is driven by the primary pushing rod to move to blank cotton textiles on the inner walls and included angles of the cotton textile storage box and then the auxiliary pusher is driven by the auxiliary pushing rod to move to play a role of a protrudingaction point in the middle position of the cotton textile storage box to promote an outward pushing action force by primary cotton in the middle to drive cotton blanking and accelerate the blanking efficiency. The cotton textile transporting and diversified unloading device is clear to blank and free of residual cotton textiles.

The invention discloses a log cutting device. The log cutting device comprises a frame, a worktable and a cutting mechanism; the worktable is connected above the frame, and is provided with a conveying chain for conveying logs; a stop rod is arranged on the conveying chain; the worktable is provided with a support rod connected with the cutting mechanism; the two ends of the support rod are connected to two sides of the worktable; the cutting mechanism includes a connecting rod and a saw blade; the lower end surface of the support rod is connected with the connecting rod; a motor is arranged at the lower end of the connecting rod; an output shaft of the motor penetrates through the connecting rod to connect with the saw blade; and an arc block is upwards projected on the worktable below the saw blade. The log cutting device solves the problem of complex cutting operation caused by need of replacing the saw blade in cutting of the logs with larger diameters in the prior art, and is simple in operation.

The invention relates to a durable pet tractor. The durable pet tractor includes an upper shell, a lower shell and a rope coiling disc, wherein the upper shell and the lower shell are in clamped connection, and the rope coiling disc is arranged between the upper shell and the lower shell; the rope coiling disc includes a rope coiling disc main body, a coil spring and a rope disc cover, wherein a cavity is formed inside the rope coiling disc main body, the coil spring is installed inside the cavity, and the rope disc cover is in buckled connection with the rope coiling disc main body to limit the position of the coil spring; traction ropes are twined on the side face of the rope coiling disc, a rope outlet is formed in the joint between the upper shell and the lower shell, a tongue-shaped rope straightening sheet is connected to the rope outlet, and a lock mechanism connected with the rope coiling disc main body is also arranged at the joint between the upper shell and the lower shell;a step part which cooperates and clamps with the locking mechanism is arranged on the inner wall of the lower shell, and the joint between the lock mechanism and the step part is made of elastic plastic. The durable pet tractor has the advantages that the inner structure is not easily abraded, the service life is effectively prolonged, the coil spring is not easily retarded, and the traction ropeis not easily tied.

The invention provides yarn bobbin automatic cleaning and recycling equipment which is reasonable in structural design, simple and easy to operate and capable of achieving full-automatic cleaning andrecycling of yarn bobbins. The equipment comprises a machine frame, wherein a feeding mechanism, a cleaning mechanism, a sorting mechanism are arranged on the machine frame in sequence, the cleaning mechanism comprises a workbench arranged on the machine frame, a first conveyor belt is arranged on the workbench, the first conveyor belt is arranged on the machine frame, an opening is formed in position, behind the conveying of the first conveying belt, of the workbench, a sliding rail is arranged in the opening, the sliding rail is arranged on the workbench, and a first driving mechanism is arranged above the sliding rail. Positioning devices, one group of cutting devices or above and cleaning devices are arranged on the workbench on the two sides of the sliding rail correspondingly, and arecycling device used for collecting fallen yarns and a first driving device used for driving the first conveying belt to transmit are arranged at the position, below the opening, of the machine frame.

The invention discloses a packaging machine for preventing blockage and facilitating cleaning for food product processing, and relates to the technical field of food. A conveyor belt is arranged abovea machine body, a supporting rod is arranged on the outer side of the conveyor belt, a discharging assembly is arranged on one side of the upper part of the machine body, a material distributing assembly is arranged on one side of the lower part of the discharging assembly, a packaging assembly is arranged above the middle part of the machine body, an electric telescopic rod is fixed above the packaging assembly, a top plate is fixed to the top of the supporting rod, the top plate and the supporting rod are riveted, a food tank is conveyed on the upper side of the conveyor belt, a hydraulic cylinder is installed on the other side above the machine body, a lead screw is arranged below the hydraulic cylinder, a fixing rod is arranged on the outer side of the hydraulic cylinder, a guide groove is fixed below the fixing rod, a pressing plate is arranged at the bottom of the lead screw, and the pressing plate is in bolted connection with the screw rod. The packaging machine has the beneficial effects that due to the arrangement of a stirring rod, the function of discharging an anti-jamming plug is facilitated.

The invention discloses an improved structure of screen cloth of a mud vibrating screen for marine drilling. The improved structure comprises a screen cloth frame, the screen cloth, a guide rail, a rail protection plate and sliding blocks, wherein a plurality of fixed baffles are arranged on the screen cloth frame; springs perpendicular to the fixed baffles are mounted on the side surfaces, facing to the inlet of the screen cloth, of the fixed baffles; the springs are connected with buffering pads; mobile baffles are parallel to the fixed baffles; rotating shafts parallel to the normal direction of the screen cloth frame are arranged at the positions, positioned on the screen cloth frame, of the mobile baffles; threads are formed on the side surfaces, close to the bottom ends, of the rotating shafts; the bottom ends of the rotating shafts penetrate through the mobile baffles and are inserted into screw holes formed in the screen cloth frame; the side surfaces of the mobile baffles are in contact with the buffering pads. According to the improved structure, a liquid phase and a solid phase in drilling fluid are further separated, to enhance the screening effect and avoid loss of the recyclable liquid phase due to the fact that the liquid phase in the drilling fluid moves to an outlet of the screen cloth along with the solid phase without being separated from the solid phase during screening; therefore, the use cost of the drilling fluid is reduced, and the environment is protected.

The invention discloses a welding device for petrochemical engineering. The welding device for the petrochemical engineering comprises a base and a limiting device, wherein a working groove is formed in the top of the base, a fixing base and a baffle are arranged at the bottom of an inner cavity of the working groove, a left fixing ring is arranged at the top of the fixing base, a rotating motor is arranged at the top of the base, a rotating shaft is arranged on the right side of the rotating motor through a coupler, a left rotating disc is fixedly connected to the right end of the rotating shaft, a left ball is arranged between the left fixing ring and the left rotating disc, a driving shaft is arranged on the right side of the left rotating disc, an electric telescopic rod is arranged on the right side wall of the working groove, a moving trolley body is arranged on the left side of the electric telescopic rod, a right fixing ring is arranged at the top of the moving trolley body, a right rotating disc is arranged in an inner cavity of the right fixing ring, a right ball is arranged between the right fixing ring and the right rotating disc, and a driven shaft is arranged on the left side wall of the right rotating disc. According to the welding device, a pipeline can be rotated when the pipeline is welded, and the device is very suitable for welding large-diameter pipelines, and effectively reduces the operation intensity of welding personnel.

The invention belongs to the technical field of grinding assembly manufacturing, and particularly relates to a grinding shaft for flexibly cleaning a casting blank, which comprises a bottom plate, the bottom plate is provided with a mounting channel penetrating through the front surface and the back surface of the bottom plate, and the telescopic direction of a bottom plate telescopic rod faces the front surface of the bottom plate. The top ends of all the pneumatic telescopic rods are jointly connected with a floating plate through first knuckle bearings, the interior of the mounting channel is connected between the two ends of a pneumatic motor through second knuckle bearings, the output end of the pneumatic motor faces the front face of the bottom plate, the pneumatic motor penetrates through the floating plate, and the two ends of the pneumatic motor are fixedly connected with the center of the floating plate. The air cylinders of all the air pressure telescopic rods are communicated in series or in parallel, so that in the deburring process, an output shaft of the pneumatic motor has the function of inclining by a certain angle relative to the surface of a part according to the shape of the surface of the part, and the purpose of completely removing burrs on the surface of the workpiece without damaging the part is achieved.

A boring head for machining a cylinder tube of a hydraulic cylinder comprises a hollow core shaft driven to rotate through a gear motor and a cutter disc mounted on the hollow core shaft through connecting bolts. One end of the hollow core shaft is closed, and the other end of the hollow core shaft is open. The cutter disc comprises a disc body, a groove is formed in one side of the disc body, anda clamping groove is formed in the other side of the disc body. A limiting through hole penetrating through the disc body is formed in the middle of the groove and matched with a limiting shaft arranged at the closed end of the hollow core shaft, a cutter is arranged in the clamping groove, and a shank of the cutter is fixed into the clamping groove through a fastening bolt. A cutting head of thecutter extends out of the cutter disc so as to cut the inner wall of the cylinder tube in the rotating process, a plurality of liquid passing holes are formed in the circumferential wall face of theclosed end of the hollow core shaft, and the liquid passing holes communicate with a hollow cavity of the hollow core shaft.

The invention relates to the technical field of gear machining, in particular to a gear machining process. The gear machining process comprises the following steps of S1, blanking; S2, normalizing a blank; S3, machining; S5, key seating, specifically, using grooving equipment for machining a center hole of a first workpiece to form a key groove, and forming a second workpiece; S6, hobbing, specifically, conducting the hobbing on a second workpiece through machining equipment to form a third workpiece; S7, carburizing; S9, cleaning; and S10, detecting. The gear machining process has the effect of reducing the reject ratio of products.

The invention relates to a novel single-hole carbonization chamber pressure regulating system and a regulating method. An expansion pipe is arranged at the bottom end of a bridge pipe, and the outside of the expansion pipe is connected with a gas collecting pipe through a water seal seat; and a pressure regulating device is arranged inside the expansion pipe. The pressure regulating device comprises a fixed ring, a moving cup, an air cylinder, an air cylinder pull rod, a cross beam, an ammonia water nozzle and a pressure measuring device. The fixed ring is arranged at the bottom end of the bridge pipe, and the moving cup is arranged directly below the fixed ring; the air cylinder is arranged on the bridge pipe above the fixed ring, and a cylinder pull rod connected with a cylinder piston passes down through the fixed ring and is connected with the moving cup. The center of the bottom of the moving cup is provided with a drain hole which is closed by a valve seat. The bottom of the expansion pipe is provided with the cross beam, and the center of the cross beam is provided with a push rod which is matched with a drainage hole on the moving cup. The ammonia water nozzle and the pressure measuring device are respectively fixed on the top of the bridge pipe above the pressure regulating device, and the spraying range of the ammonia water nozzle covers the bottom of the bridge pipe. The single-hole carbonization chamber pressure regulating system has the advantages of simple structure, high adjusting sensitivity and long service life.

The invention discloses a method and device for preventing an irrigation electronic control valve from being out of operation. A water channel in a magnetic valve is isolated from an upper cavity body through an elastic packing cup which is placed between a valve element assembly and a valve cavity, the upper cavity body is connected with a control channel, and meanwhile a whole control mechanism is isolated from a water route through a pre-guiding film sheet to prevent sediment and other sundries from affecting the operation of the control mechanism and to improve the work reliability of the electronic control valve. Due to the fact that the pre-guiding film sheet is used for isolating the whole control mechanism from water, the sediment and other sundries can be prevented from affecting the normal work of the control mechanism. The bore diameter of an outer circulation channel is enlarged, so that the water containing the sediment and the sundries flows successfully, the process that the water flows in and out of the valve cavity is accelerated, and a switch of the electronic control valve is controlled fast and flexibly. The water inlet process and the water outlet process of the upper cavity body are respectively controlled through a double-direction micromotor, in each water draining process, the water inside the valve cavity can be drained thoroughly, the sediment and the sundries in the upper cavity body are brought away, the phenomenon that a large amount of sediment is deposited inside the valve cavity is avoided, and the working reliability and the working stability of the electronic control valve are improved.

The invention provides small-scale modular household garbage screening equipment. The equipment comprises a plurality of detachably connected modular screening units, modular screening units comprisesquare supports, protrusions and grooves are arranged at the two ends of vertical rods on one sides of the square supports, vertical rods on the other sides are provided with adjusting seats, the adjusting seats are symmetrically arranged on the two sides, without through holes, of the square supports, the two adjusting seats are provided with rollers, and the rollers comprise driving rollers anddriven rollers. According to the small-scale modular household garbage screening equipment, equipment with different sizes is selected according to different use conditions, so that the utilization rate is high, the resources waste is reduced, the service life of the equipment is prolonged, the structure is stable, the equipment can be used for screening small equipment, waste is reduced on the basis of realizing garbage separation through a simple and reliable transmission mode, and the processing cost is reduced.