31results about How to "Affects stationarity" patented technology

A switching-over circuit of engine redundant electric control system consists of master-backup system control circuit separately set on two circuit board with the same function. It is featured as forming said each control circuit by CPU processor, information exchange circuit, CPU interface circuit, master-backup control logic circuit and state processing logic circuit; carrying out real time monitor on master-backup state by utilizing digital signal between master-backup circuit board and generating master-backup control command according to monitored information. Its controlling method is also disclosed.

The invention discloses an anti-scouring concrete repairing device. The anti-scouring concrete repairing device comprises a mixing and stirring device and a slurry supplement pipe. The mixing and stirring device is used for stirring concrete slurry, and the concrete slurry is injected into concrete cracks through the slurry supplement pipe. The anti-scouring concrete repairing device is characterized in that the mixing and stirring device can cyclically work to prepare materials first and then to discharge the materials, and a plurality of pipelines arranged between the mixing and stirring device and the slurry supplement pipe. The anti-scouring concrete repairing device has the advantages that the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatnessis high after reinforcement, and a grouting pipe can slide in the cracks to achieve slurry supplement; the mounting stability of a support is high, and a wall is not likely to be damaged, or the adhesion strength of a plate body is high; intermittent material supplement and quantitative stirring are conducted, so that raw material waste is reduced, the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatness is high after reinforcement, the grouting pipe can slide in the cracks to achieve slurry supplementation; and the mounting stability of the support is high, and the wall is not likely to be damaged, or the adhesion strength of the plate body is high.

The invention discloses an automatic slurry filling device for a concrete crack defect with high adhesion strength, which comprises a slurry filling pipe, wherein the concrete slurry is injected intothe concrete crack through the slurry filling pipe; and also comprises a machine frame, an electric sliding element, an electric lifting element, a rubber sleeve, a trowel, a first supporting rod, a first sucking disc, a second supporting rod and a abutted element; the electric sliding element is in sliding fit with the machine frame, the electric lifting element is arranged on the electric sliding element, the lifting end of the electric lifting element is connected with the slurry filling pipe, and the trowel is sleeved at the periphery of the slurry filling pipe through the rubber sleeve. The first sucking disc is arranged on the end part of the first supporting rod; the connecting end of the abutted element is slidably mounted on the end part of the second supporting rod, and the abutted end of the abutted element can be contacted with the trowel. The device has the advantages that the crack can be fully filled, the slurry leakage condition is reduced, the flatness of the surface after filling the slurry is high, the slurry filling pipe can achieve sliding and grouting in the crack, and the installation stability of a bracket is high, no damage is caused on a wall body or the adhesion strength of a plate body is high.

The invention belongs to the technical field of agricultural machines, and particularly discloses an agricultural multi-rotor aircraft. The agricultural multi-rotor aircraft comprises a flight system and an aircraft spray system. The flight system comprises a center plate, a cell panel is arranged on the center plate, the center plate is connected with rotors through rotatable rotor connecting devices fixedly arranged on the side end faces of the center plate, and a control device is arranged in the center plate. The aircraft spray system comprises a support, an aircraft spray structure is arranged in the support and comprises a spray fixing structure and a spray rod, a pesticide box and a pesticide pump are connected to the spray fixing structure, a spray head is fixed to the spray rod, and a pesticide pipe is connected with the pesticide box, the pesticide pump and the spray head in sequence. The agricultural multi-rotor aircraft is simple in structure, convenient to disassemble and good in use effect.

The invention discloses rail type material transport equipment for building construction and belongs to the technical field of building equipment. According to the technical key points, the rail typematerial transport equipment is characterized in that the rail type material transport equipment comprises a square mounting platform; two front vertical columns and two rear vertical columns are arranged on the lower end face of the mounting platform; driven sliding devices are arranged at the lower ends of the two front vertical columns correspondingly; driving sliding devices are arranged at the lower ends of the two rear vertical columns correspondingly and connected with a main control unit; a first roller conveying assembly is arranged on the upper end face of the mounting platform and connected with a braking mechanism; a supporting platform is arranged below the mounting platform; a lifting mechanism is arranged on the supporting platform; a plurality of conveying rolling wheels are arranged on the lifting mechanism; a photoelectric sensor is arranged on a positioning connecting rod on the lower side of a connecting plate; and the braking mechanism, the lifting mechanism and the photoelectric sensor are connected with the main control unit. The rail type material transport equipment for building construction is compact in structure, convenient to use and good in effect, andis used for material transport in building construction.

The invention relates to the field of automobile accessory production, in particular to a pressurizing structure. The structure comprises a main frame, a lifting cylinder and a moulded plate. The lifting cylinder is fixedly arranged above the main frame, the moulded plate is arranged below the main frame, and the lifting cylinder is connected with the moulded plate and can drive the moulded plate to ascend and descend. According to the pressurizing structure, the cylinder is adopted to serve as a lifting power device of the moulded plate and provides power for lifting and downwards pressing the moulded plate, and under the situation that a hydraulic machine is not needed to press a die, the die pressing function is guaranteed, and resources and cost are saved.

The invention discloses a mining rescue unmanned aerial vehicle. The unmanned aerial vehicle comprises a vehicle body, a main controller, power devices, protective net covers, a storage box, a camera,and a battery, wherein the main controller is arranged in the vehicle body and is in wireless communication connection with an external wireless remote controller; the multiple power devices are evenly distributed on the two sides of the vehicle body and electrically connected with the main controller; the number of the protective net covers is multiple, the multiple protective net covers are allfixedly connected with the vehicle body, and each power device is arranged in the corresponding protective net cover; a top end of the storage box is fixedly connected with the bottom end of the vehicle body; the camera is fixedly mounted on the front side of the vehicle body and is electrically connected with the main controller; and the battery supplies power to electrical equipment of the unmanned aerial vehicle. By arranging the protective net covers, problems that the power devices are affected by falling stones and collide with the wall of an underground roadway are effectively solved,the unmanned aerial vehicle can fly normally, the storage box is arranged, rescue materials can be carried, and corresponding water sources, food and medicine are provided for to-be-rescued personnel.

The invention provides an assembly, system and method for replacing a cold shearing tool of a rod and wire cold shearing machine, and relates to the field of rod and wire cold shearing production. The assembly comprises two bearing wheels and a lifting appliance, each bearing wheel is used for bearing the cold shearing tool and is in rolling contact with the cold shearing tool, the lifting appliance comprises a body, a locking piece and a lifting piece, the body comprises two clamping plates and two opposite and parallel claws connected through the clamping plate, each claw is provided with a limiting groove for clamping a limiting part, the lifting piece is connected with transverse plates of the two claws, the lifting piece is provided with a lifting hole used for installing a lifting rope, and the locking piece is in threaded connection with the transverse plates and used for selectively locking the cold shearing tool installed in the limiting grooves and the body. According to the assembly, on the premise that only one lifting appliance is installed on each cold shearing tool, the high levelness requirement during lifting can be met, the replacement difficulty is reduced, the lifting process is simplified, the working efficiency is improved, and the safety risk that a lifted object falls can be reduced.

The invention discloses wing mounting equipment. The wing mounting equipment comprises a working table (1), a vacuum suction cup device, a pneumatic balance crane (3), air cushion modules (4) and a guide wheel (5). A bearing rod (6) is arranged on the working table (1); a handle (7) is arranged on the working table (1); an air source (8) allowing the air cushion modules (4) to be inflated is arranged on the working table (1); one end of the pneumatic balance crane (3) is connected with the bearing rod (6); the other end of the pneumatic balance crane (3) is connected with the vacuum suction cup device; each air cushion module (4) is arranged on the lower surface of the working table (1); the guide wheel (5) is arranged on the bottom face of the working table (1); a control box (14) which enables each air cushion module (4) to be inflated to jack up the working table (1) to be separated from the ground and meanwhile enables the guide wheel (5) to be jacked out of the working table (1) to be in contact with the ground is arranged on the working table (1); and the air source (8) is connected with the input end of the control box (14). According to the wing mounting equipment, a wing is more rapid and convenient to carry, economical and environmentally friendly.

The invention discloses track type material transportation equipment for a mine field, and belongs to the technical field of transportation equipment in the mine field. According to the technical points, the material transportation equipment comprises a mounting platform, the four corners of the lower end surface of the mounting platform are provided with two front upright columns and two rear upright columns respectively, the front upright columns and the rear upright columns are mutually matched, the lower ends of the two front upright columns are provided with driven sliding devices adaptive to a track respectively, the lower ends of the two rear upright columns are provided with driving sliding devices adaptive to the track respectively, and the driving sliding devices are connected with main control devices; a rolling wheel conveying belt is arranged on the upper end surface of the mounting platform in the direction perpendicular to the track, rolling wheels on the rolling wheel conveying belt are linked through chains, and a braking mechanism is arranged on the mounting platform at the side edge of the other end of the rolling wheel conveying belt opposite to the output end of the rolling wheel conveying belt and connected with the rolling wheel conveying belt through transmission chains. The track type material transportation equipment for the mine field is compact in structure, convenient to use and good in effect and is used for transition and transportation of materials.

The invention provides a flapping and rotating machine. Revolution main shafts of flapping rotors are arranged on the two sides of a fuselage through flapping rotor supports, meanwhile, a front rotating arm and a rear rotating arm are correspondingly and perpendicularly fixed to the head end and the tail end of each revolution main shaft respectively, and rotation main shafts are rotationally connected with the front rotating arms and the rear rotating arms respectively and located on the two sides of the revolution main shafts respectively; the revolution motor drives the revolution main shaft to revolve for a circle through the revolution transmission gear set; the revolution main shaft drives the autorotation main shaft to autorotate for half a circle through the autorotation transmission device; the rotor mechanisms are fixed to the autorotation spindles on the two sides of the revolution spindle in a one-to-one correspondence mode, each rotor mechanism comprises a rotor, and the rotating surfaces of the rotors on the two sides of the revolution spindle are perpendicular; each rotor comprises a central shaft, a rotary disc and a plurality of rotary wing sections, a central holeis formed in the center of the rotary disc, the central shaft penetrates through the central hole and is rotationally connected with the rotary disc through a bearing, and meanwhile, the rotary wingsections are symmetrical biconvex wing sections; the invention provides a flapping and rotating machine. The rising efficiency and the flying safety are improved.

The invention provides a pipeline water pressure test system and a test method, which relate to the technical field of conveying pipeline safety measurement. The systemcomprises a bottom supporting plate which is horizontally placed on the ground, the top end of the bottom supporting plate is provided with a supporting rib plate erected at the top end of the bottom supporting plate, a horizontally-fixed top supporting plate is arranged at the top end of the supporting rib plate, a plurality of through long holes are formed in the top end of the top supporting plate, every two adjacent long holes are formed in the top end of the top supporting plate at equal intervals, and threaded lead screws parallel to the long holes are arranged at the top end of the top supporting plate. An exhaust hole is formed in the middle of anair nozzle,a guide plate is hinged to the inner wall of the exhaust hole, the angle of the guide plate in the exhaust hole is controlled by the guide plate through a third adjusting screw, the blowing-out direction of the exhaust hole is controlled by changing the swing angle of the guide plate, airflow is guided to the outer wall of the pipeline, impurities on the outer wall of the pipeline are removed, and operation simplicity is improved.

The invention relates to the technical field of building production, and discloses a waste paper recovery pretreatment device. The waste paper recovery pretreatment device comprises a crane boom; a storage sleeve is hinged to the bottom of the left end of the crane boom, and the bottom ends of the front inner wall and the rear inner wall of the storage sleeve are both provided with skewed slots, and the left ends of the interiors of the skewed slots are fixedly connected with first telescopic rods; one ends of the first telescopic rods are fixedly connected with supporting arms, and the two opposite surfaces of the two supporting arms are fixedly connected with the front end and the rear end of a transverse rod correspondingly, and a user can conveniently hang a lifting hook on the transverse rod; the storage sleeve is rotated by 90 degrees under pull force of a second telescopic rod and connected to the bottom of the outer wall of the crane arm in a sleeving mode, so that a driver hasa wide visual field to observe the road condition, and in addition, the situation that normal running of surrounding vehicles is influenced by the lifting hook is avoided; when the vehicle is drivenon an uneven road surface, the lifting hook is clamped in the middle by two baffles and buffer springs, thus, the lifting hook is conveniently limited, the left-right swing amplitude of the lifting hook is reduced, and the situation that the running stationarity of the vehicle is influenced by large-amplitude left-right swing is avoided.

The invention relates to a mobile phone cover surface cleaning device, which includes a frame, a cleaning mechanism, and a sliding table connected to the cleaning mechanism. Components, transfer components and lifting components; the carrying mechanism includes a base and a limit bearing platform, an adsorption component is set on the limit bearing platform, and guide bars are set on the moving path of the adsorption component; the transfer component includes a positioning frame and a baffle, a baffle and a lifting component Connected, when the carrying mechanism moves to the bottom of the positioning frame, the lifting component drives the adsorption component to move up the adsorption cover and synchronously drives the baffle to move up, and the sliding table drives the carrying mechanism together with the adsorbed cover to move in translation towards the cleaning mechanism. The present invention solves the problem that manual or mechanical hands are required to mount the cover plate on the load-bearing mechanism, manual loading consumes manpower, and a separate mechanical arm is required for manipulator topping, which requires a separate mechanical arm, which is costly, and the cover plate loading efficiency is low and the accuracy is not high.

The invention discloses an automatic slurry filling device for a concrete crack defect with high adhesion strength, which comprises a slurry filling pipe, wherein the concrete slurry is injected intothe concrete crack through the slurry filling pipe; and also comprises a machine frame, an electric sliding element, an electric lifting element, a rubber sleeve, a trowel, a first supporting rod, a first sucking disc, a second supporting rod and a abutted element; the electric sliding element is in sliding fit with the machine frame, the electric lifting element is arranged on the electric sliding element, the lifting end of the electric lifting element is connected with the slurry filling pipe, and the trowel is sleeved at the periphery of the slurry filling pipe through the rubber sleeve. The first sucking disc is arranged on the end part of the first supporting rod; the connecting end of the abutted element is slidably mounted on the end part of the second supporting rod, and the abutted end of the abutted element can be contacted with the trowel. The device has the advantages that the crack can be fully filled, the slurry leakage condition is reduced, the flatness of the surface after filling the slurry is high, the slurry filling pipe can achieve sliding and grouting in the crack, and the installation stability of a bracket is high, no damage is caused on a wall body or the adhesion strength of a plate body is high.

The invention discloses track type material transportation equipment for a mine field, and belongs to the technical field of transportation equipment in the mine field. According to the technical points, the material transportation equipment comprises a mounting platform, the four corners of the lower end surface of the mounting platform are provided with two front upright columns and two rear upright columns respectively, the front upright columns and the rear upright columns are mutually matched, the lower ends of the two front upright columns are provided with driven sliding devices adaptive to a track respectively, the lower ends of the two rear upright columns are provided with driving sliding devices adaptive to the track respectively, and the driving sliding devices are connected with main control devices; a rolling wheel conveying belt is arranged on the upper end surface of the mounting platform in the direction perpendicular to the track, rolling wheels on the rolling wheel conveying belt are linked through chains, and a braking mechanism is arranged on the mounting platform at the side edge of the other end of the rolling wheel conveying belt opposite to the output end of the rolling wheel conveying belt and connected with the rolling wheel conveying belt through transmission chains. The track type material transportation equipment for the mine field is compact in structure, convenient to use and good in effect and is used for transition and transportation of materials.

The invention provides a tilting type free half-rotating flapping rotor aircraft. Two sides of a fuselage are symmetrically and rotatably connected with rotating shafts through bearings, and a frame is fixed on the rotating shafts; an inclination angle adjusting device is connected with the fuselage and the rotating shafts, is electrically connected with the controller, drives the rotating shaftsto rotate and drives the frame to tilt; revolution spindles of flapping rotors are arranged at the two sides of the fuselage through the frame and rotationally connected with the frame through bearings, and meanwhile the two ends of the revolution spindle at each side of the revolution spindles are rotationally connected with a front rotating arm and a rear rotating arm through bearings correspondingly. A revolution motor drives the revolution spindle to revolve for one circle through a revolution transmission gear set, and the revolution spindle drives the autorotation spindle to autorotate for half a circle through the autorotation transmission device. The tilting type free semi-rotating flapping rotor aircraft of the invention improves the rising efficiency and the flying safety.

The invention discloses an anti-scouring concrete repairing device. The anti-scouring concrete repairing device comprises a mixing and stirring device and a slurry supplement pipe. The mixing and stirring device is used for stirring concrete slurry, and the concrete slurry is injected into concrete cracks through the slurry supplement pipe. The anti-scouring concrete repairing device is characterized in that the mixing and stirring device can cyclically work to prepare materials first and then to discharge the materials, and a plurality of pipelines arranged between the mixing and stirring device and the slurry supplement pipe. The anti-scouring concrete repairing device has the advantages that the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatnessis high after reinforcement, and a grouting pipe can slide in the cracks to achieve slurry supplement; the mounting stability of a support is high, and a wall is not likely to be damaged, or the adhesion strength of a plate body is high; intermittent material supplement and quantitative stirring are conducted, so that raw material waste is reduced, the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatness is high after reinforcement, the grouting pipe can slide in the cracks to achieve slurry supplementation; and the mounting stability of the support is high, and the wall is not likely to be damaged, or the adhesion strength of the plate body is high.

The present application provides a component, system and method for replacing cold shears of a rod and wire cold shear, relating to the field of rod and wire cold shear production. The assembly includes two support wheels and a spreader, each support wheel is used to support the cold scissors and is in rolling contact with the cold scissors, the spreader includes a body, a locking piece and a lifting piece, the body includes two splints, and Two opposite and parallel grippers connected by a splint, each gripper has a limit groove for clamping the limit part, the lifting parts are respectively connected with the horizontal plates of the two grippers, and the lifting parts are equipped with a rope for installing There are hoisting holes, and the locking piece is threadedly connected with the horizontal plate, which is used to selectively lock the cold shears installed in the limiting groove and the body. Under the premise that only one spreader is installed for each cold shear, this component can not only meet the high level requirements during hoisting, reduce the difficulty of replacement, simplify the hoisting process and improve work efficiency, but also reduce the safety risk of hanging objects falling.

The invention discloses a full automatic pre-attaching device for a conducive film on a mobile phone screen, belonging to the technical field of hot presses. According to the key points of the technical solution, the device comprises a rack, wherein the rack is provided with a loading table carrying an LCD, an attaching mechanism for bonding an ACF with the LCD on the loading table, a material feeding sucker mechanism for sucking to-be-processed LCD to the loading table, and a blanking sucker mechanism for transferring the LCD with the ACF to the next step, wherein the loading table is provided with an attaching jig for positioning the LCD, the attaching jig comprises a vacuum positioning plate with a vacuum cavity formed inside, and vacuum adsorption holes uniformly distributed on the vacuum positioning plate and communicated with the vacuum cavity. The device has advantages of guaranteeing that the ACF is attached accurately and improving attaching accuracy.

The transfer device comprises wheels which replace sliding friction with rolling friction to assist the transfer device to move, the wheels comprise power wheels used for providing power and steering wheels used for steering, and the power wheels and the steering wheels jointly bear the weight of the transfer device and are matched with each other to complete the transfer action. The power wheels comprise a first power wheel and a second power wheel which are mutually independent and oppositely arranged, the steering wheels comprise a first steering wheel and a second steering wheel which are mutually independent and oppositely arranged, the first steering wheel and the second steering wheel are both Mecanum wheels, and the first steering wheel and the second steering wheel are arranged in a mirror symmetry mode. The device is stable in operation, has high adaptability to various grounds, can automatically clean obstacles on the ground, and is reliable to use.

The invention provides a gearbox of an agricultural vehicle. The gearbox of the agricultural vehicle comprises a driving shaft, driven shafts on the two sides of the driving shaft, a main box body arranged on the driving shaft, and edge reduction box bodies arranged on the two sides of the main box body and connected with the driving shaft and the driven shafts. The main box body is arranged in the middle position of the agricultural vehicle and comprises two first driving gears which are arranged on the driving shaft. Each edge reduction box body comprises a second driving gear arranged on the driving shaft and an edge reduction gear arranged on the corresponding driven shaft and engaged with the second driving gear. The second driving gears and the first driving gears are arranged in a linkage mode. At least the edge reduction box body on one side of the main box body deviates from the main box body towards traveling mechanisms of the driven shafts. According to the gearbox of the agricultural vehicle, the minimum distance between the middle position where soil is prone to being accumulated and the ground is greatly increased, and thus soil is not prone to being accumulated anymore; and meanwhile, the space defined by the inner sides of the two edge reduction box bodies and the bottom of the main box body is enlarged, so that soil and the like discharged by a traveling mechanism of the vehicle are not prone to being accumulated in the space, and advancing resistance of the vehicle is reduced.

The invention relates to a multi-nested type high speed experiment water tunnel. The water tunnel comprises a large experiment water pool, a main water channel pipe, multiple control water channel pipes and multiple water pumps. The control water channel pipes are successively nested in the exterior of the main water channel pipe. A gap is arranged between adjacent pipes. Two ends of the main water channel pipe are equipped with an outlet and an inlet and two ends of each control water channel pipe are equipped with an outlet and an inlet. Outlets are connected with different water pumps. The main water channel pipe and the control water channel pipes are assembled and then immersed into different depths in the large experiment water pool. According to the invention, water is pumped into the water pumps from the outlets, then flows out of water outlets of the water pumps and then is mixed with water in the large experiment water pool, so a self-circulation system is formed; when the water pumps are pumping water, flows in the main water channel pipe and the control water channel pipes can be adjusted respectively, so bubbles generated by high speed flowing of water in the main water channel pipe caused by port effects are removed; and when an object model is arranged in the main water channel pipe for an object model experiment, stable incoming flows can be acquired and an excellent experiment environment is created for the object model experiment.

The invention belongs to the technical field of agricultural machinery, and specifically discloses an agricultural multi-rotor aircraft, which includes a flight system and a spraying system for the aircraft. The rotatable rotor connecting device is connected to the rotor, and the control device is arranged in the center plate; the spraying system for the aircraft includes a second bracket, and the spraying structure for the aircraft is arranged in the second bracket, and the spraying structure for the aircraft includes a spray fixing structure, a spray rod, and a spray fixing structure. Structurally, a medicine box and a medicine pump are connected, a nozzle is fixed on the spray rod, and a medicine pipe is connected to the medicine box, the medicine pump and the nozzle in turn. The invention has the advantages of simple structure, convenient disassembly and good use effect.

The invention discloses a double-drive type industrial robot joint structure. The structure comprises a base, wherein a plurality of supporting rods are fixedly connected to the base, a mounting baseis fixedly connected to the top ends of the supporting rods, a double-shaft motor is mounted on the mounting base, a transmission belt is in transmission connection with output shafts at two ends of the double-shaft motor, a pair of supports are further fixedly connected to the base, shaft holes are formed in the supports, and a mechanical arm is arranged between the pair of supports. According tothe structure, bidirectional driving of the mechanical arm is achieved through the double-shaft motor, so that the bearing capacity of the mechanical arm is improved, a buffer plate can play a role in buffering and damping so as to avoid vibration of the structure during operation, an anti-skid pad is arranged on the surface of the bottom of the base, so that the friction force between the base and the contact surface can be increased, the stability of the structure is improved, and the shaking of the structure during operation is avoided.

The invention discloses a method for controlling and switching a redundancy electronic control system of an engine. Digital signals are used between active-standby circuit wafers for monitoring active-standby state in real time; active-standby control commands are generated according to monitor information; wherein, the monitor on the active-standby state is realized mainly by comparing characteristic signals passed by an opposite site; continuous new characteristic signals are used for determining whether the state of the opposite site is normal or not; the control state of a logic circuit is determined and switched according to the information of the active-standby state so as to increase accuracy and reliability of switching. The method has the advantages of flexible setting, simple, reliable, and stable structure.

The invention is suitable for the technical field of lathes, and provides a balance weight device for a machine tool. The balance weight device for the machine tool comprises a machine tool supportingassembly, a machine tool driving assembly and a balance weight assembly, wherein the machine tool supporting assembly comprises a machine tool bottom plate, a machine tool support, a motor supportingplate and a machine tool cross beam; the machine tool support is fixedly connected with the machine tool bottom plate; by installation of a motor, power is provided for the whole device; by installation of a balance weight, balance of the machine tool is maintained; by arrangement of a balance weight disc, the stability of the center of gravity of the balance weight is improved; a connecting shaft is mounted on the balance weight disc and is connected with a balance weight hem; the balance weight hem oscillates around the connecting shaft; owing to the balance weight hem which oscillates around the connecting shaft on the balance weight disc, impact force of shaking and vibration to the balance weight device is relieved; the circumstance that violent vibration is generated to affect stability of running of the machine tool when the center of gravity of the balance weight device is not in the rotating center of the machine tool, quality problems in a product machining process are avoided, the machine tool is prevented from being damaged, and the service life of the machine tool is prolonged.

The invention is suitable for the technical field of lathes, and provides a balance weight device for a machine tool. The balance weight device for the machine tool comprises a machine tool supportingassembly, a machine tool driving assembly and a balance weight assembly, wherein the machine tool supporting assembly comprises a machine tool bottom plate, a machine tool support, a motor supportingplate and a machine tool cross beam; the machine tool support is fixedly connected with the machine tool bottom plate; by installation of a motor, power is provided for the whole device; by installation of a balance weight, balance of the machine tool is maintained; by arrangement of a balance weight disc, the stability of the center of gravity of the balance weight is improved; a connecting shaft is mounted on the balance weight disc and is connected with a balance weight hem; the balance weight hem oscillates around the connecting shaft; owing to the balance weight hem which oscillates around the connecting shaft on the balance weight disc, impact force of shaking and vibration to the balance weight device is relieved; the circumstance that violent vibration is generated to affect stability of running of the machine tool when the center of gravity of the balance weight device is not in the rotating center of the machine tool, quality problems in a product machining process are avoided, the machine tool is prevented from being damaged, and the service life of the machine tool is prolonged.