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476 results about "Mechanical field" patented technology

Mechanical engineering is a broad field that involves the design and creation of a vast array of products, from regular household items such as kitchen appliances to airplanes or artificial organs.

Stepping type walking mechanism and robot for low-specific-pressure non-structural terrain

PendingCN119527457ARealize the walking functionachieve steeringVehiclesGear wheelControl engineering
The invention belongs to the field of mud flat operation machinery, and particularly relates to a low-specific-pressure non-structural terrain-oriented step type walking mechanism which comprises a rack assembly, a walking assembly, a running assembly and a supporting leg assembly, the walking assembly comprises a fixing frame, a rail, an abdominal base assembly, a rotation assembly and a pulley assembly. The abdominal base part assembly comprises a frame, and an engine and two displacement oil cylinders which are fixed on the frame; the pulley assemblies are fixedly connected to the four corners of the frame, the rails are fixed to the two sides of the frame, telescopic rods of the displacement oil cylinders are fixedly connected with the fixing frames, and the two fixing frames are fixedly connected with a rack of the rack assembly. The pulley assembly is connected with the track in a sliding manner; the slewing assembly comprises a slewing bearing with an inner gear, a gear meshed with the slewing bearing, and a slewing bearing connecting frame fixedly connected with the slewing bearing; the steering motor is fixedly connected to the frame; the robot can keep high efficiency and flexibility of movement, and has high obstacle crossing ability.
Owner:QUANZHOU FENGZE DISTRICT JIGONG ENGINEERING MACHINERY TECHNOLOGY RESEARCH INSTITUTE

Displacement counterweight mechanism

A displacement counterweight mechanism relates to the field of engineering machinery and is characterized in that a primary telescopic mechanism is arranged on the lower portion of a counterweight support, one end of a swing support is connected with the primary telescopic mechanism, the other end of the swing support is connected with a counterweight bracket, and a counterweight block is placed on the counterweight bracket; the first-stage telescopic mechanism moves to drive the swing support to swing, the swing support drives the balance weight bracket to move together, and the balance weight block is placed on the balance weight bracket, so that the rotation radius and the gravity center position of the balance weight are changed; furthermore, a second-stage telescopic device can be additionally arranged between the counterweight bracket and the swinging bracket, and the counterweight bracket is driven to further swing through the movement of the second-stage telescopic device, so that a larger displacement distance is realized; the technical problem that the displacement distance of the balancing weight is limited is solved, and the tipping performance of the crane is further improved; and the problem that the counterweight bracket is time-consuming and labor-consuming to disassemble and assemble in a transition state is solved, the efficiency is improved, and the cost is saved.
Owner:JILIN UNIVERSITY

Cleaning device for rust removal operation machine and rust removal operation machine

The utility model relates to the field of engineering machinery, and discloses a cleaning device for a rust removal operation machine and the rust removal operation machine.The cleaning device comprises a mounting support, a rotary support, a cleaning mechanism and a rotary speed reducing mechanism, the mounting support is used for being connected with the head of a main arm frame of the rust removal operation machine, the rotary support is mounted on the mounting support, and the cleaning mechanism is mounted on the rotary speed reducing mechanism; the cleaning mechanism comprises a cleaning disc connected to the rotary support through a cleaning connecting rod, and the rotary speed reducing mechanism is arranged on the mounting support and used for driving the rotary support to drive the cleaning disc to rotate so as to adjust the inclination angle of the cleaning disc. According to the cleaning device for the rust removal operation machine and the rust removal operation machine, accurate adjustment of the inclination angle of the cleaning disc can be achieved, so that a basis is provided for accurate control over rust removal cleaning operation, and the rust removal effect is improved.
Owner:ZOOMLION INTELLIGENT ACCESS MASCH CO LTD

Flow matching control system and electric engineering machinery

The invention provides a flow matching control system and an electric engineering machine, and relates to the technical field of flow matching control. The power source flow matching mode of the existing electric engineering machinery has the problem of insufficient efficiency improvement space. According to the system, the motor efficiency model and the hydraulic pump efficiency model are established, the rotating speed of the motor and the displacement of the hydraulic pump are dynamically adjusted according to the target flow of the system by combining an optimization algorithm and weighting processing, so that the power source keeps high-efficiency operation in real time, and the overall efficiency of the system is improved. The device is suitable for combination of various power sources and hydraulic systems, can be widely applied to the field of electric engineering machinery, and has the advantages of remarkable energy-saving effect and dynamic response.
Owner:HUAQIAO UNIVERSITY

Driving axle transfer AGV jacking and positioning device

The utility model discloses a driving axle transfer AGV (automatic guided vehicle) jacking and positioning device, which belongs to the field of engineering machinery, is simple and compact in structure, small in occupied space, high in adaptability and stable in operation, and can be matched with a U-shaped automatic guided vehicle to realize on-line direct material taking and transfer, improve the working efficiency and reduce the labor cost. The device mainly comprises a supporting frame, a bottom plate of the supporting frame is fixedly installed on a transfer AGV body, a jacking frame is arranged in the supporting frame in a sliding mode and connected with a lifting device, the upper portion of the jacking frame is connected with a two-way adjusting platform, a positioning frame is arranged on the two-way adjusting platform, and a positioning plate clamp is arranged on the positioning frame. The jacking and positioning device is mainly used for jacking and positioning when the drive axle is transferred.
Owner:临沂临工智能信息科技有限公司

Pass-type drawing device for multiple large iron molds with different cavities

The utility model relates to a through-type drawing device for a plurality of large iron molds with different cavities, and belongs to the field of machinery. The device comprises movable trolley tracks, a lifting travelling crane, a plurality of movable trolleys, a fixed iron mold and a model drawing separation mechanism, the movable trolleys are all arranged on the movable trolley tracks, the movable trolley tracks are arranged on the two sides of the fixed iron mold and the model drawing separation mechanism, the lifting travelling crane is arranged above the fixed iron mold and the model drawing separation mechanism, and the lifting travelling crane is arranged above the fixed iron mold and the model drawing separation mechanism. Two rails are installed on a base in the fixed iron mold and model drawing separation mechanism, drawing supports are fixed to the two sides of the rails, two lifting drawing hydraulic cylinders are installed in the upper plane of each drawing support, a plurality of clamping mechanisms are fixed to each drawing support, and two drawing beams are fixedly connected through two drawing supporting beams. The device is reasonable in structural design, convenient to install, reliable in operation, low in labor intensity, high in mechanization degree, good in drawing quality of an iron mold casting mold, smooth in technological process and capable of meeting use requirements.
Owner:浙江省机电设计研究院有限公司

Disconnected axle assembly and all-terrain crane

The invention belongs to the field of engineering machinery, and discloses a disconnected axle assembly and an all-terrain crane, the disconnected axle assembly is used for being installed on a frame rotation section and comprises a left axle and a right axle, the left axle and the right axle are distributed on the two sides of the frame rotation section, and the left axle and the right axle are connected with the frame rotation section through respective suspension oil cylinders; and the wheel side driving motors are mounted in the left axle and the right axle and are used for rotationally driving the wheels on the two sides. The invention provides a disconnected axle assembly of an independent suspension and a wheel side hydraulic auxiliary driving system of the disconnected axle assembly. A mechanical drive axle and a wheel side hydraulic drive axle can be driven at the same time through a single engine. Compared with the prior art, the height of the whole vehicle can be reduced, the height of the gravity center can be reduced, the running anti-roll capacity is improved, running is safer, wheel edge liquid driving force can be increased, the dynamic property of the whole vehicle is improved, the wheel edge liquid driving force can be selectively input according to the running working condition of the vehicle, and control is flexible and convenient.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Hydraulic hayrake with adjustable amplitude and width

A hydraulic hay rake with an adjustable width belongs to the field of agricultural machinery, and comprises a middle hay raking mechanism and side hay raking mechanisms positioned on two sides of the middle hay raking mechanism, the middle hay raking mechanism is fixed on a rack and is provided with a first cross beam, and the side hay raking mechanisms are provided with second cross beams; second beams of the two side hay raking mechanisms are sleeved with the two ends of a first beam of the middle hay raking mechanism in a penetrating mode, telescopic oil cylinders are arranged between the first beam of the middle hay raking mechanism and the second beams of the two side hay raking mechanisms, and oil inlet pipes of the telescopic oil cylinders are communicated with a hydraulic synchronous flow dividing motor. The hydraulic synchronous shunting motor is communicated with a hydraulic system of the walking machine; and an oil outlet pipe of the telescopic oil cylinder is communicated with the hydraulic system of the walking machine. The hydraulic synchronous shunting motor can enable the two side raking mechanisms to stretch out and draw back synchronously, the adjusting amplitude is unified, and the adjusting precision is high. The two side raking mechanisms can contract inwards through the telescopic oil cylinders, so that the overall width is reduced, and movement and transportation are facilitated.
Owner:JILIN JIALONG AGRI EQUIP TECH CO LTD

Load and environmental corrosion coupled reinforced concrete structure analysis method

The invention relates to the technical field of civil engineering and computational mechanics, in particular to a load and environmental corrosion coupled reinforced concrete structure analysis method. The method comprises the following steps: carrying out structural finite element modeling; carrying out mechanical field solving; the diffusion characteristics of the crack-driven corrosive medium are updated; solving a corrosive medium diffusion field; the material performance is corrected; carrying out double-time-domain self-adaptive solution; by means of the mode, the coupling effect of complex loads and multiple environmental factors in the reinforced concrete structure can be comprehensively and accurately simulated within the engineering acceptable calculation cost, and reliable prediction of the full life cycle performance is achieved.
Owner:BEIJING JIAOTONG UNIV +1

Pallet fork hydraulic system and forklift loader

The invention belongs to the field of engineering machinery, and discloses a forklift loader and a fork hydraulic system.The fork hydraulic system comprises a first oil cylinder and a second oil cylinder, rod cavities between the first oil cylinder and the second oil cylinder are communicated with each other, a rodless cavity of the first oil cylinder is connected with a first sidesway working oil way, and a rodless cavity of the second oil cylinder is connected with a second sidesway working oil way. A rodless cavity of the second oil cylinder is connected with a second lateral displacement working oil way; and a multi-way valve to which the first side shift working oil path and the second side shift working oil path are hydraulically connected. The two oil cylinders can be driven to generate synchronous transverse movement on the opposite sides, and therefore synchronous lateral movement hydraulic driving is achieved. The distance between the fork knives of the pallet fork is adjusted in a non-manual mode, goods can be conveniently taken by the pallet fork, the left-right position adjustment of heavy goods loaded by the pallet fork on the pallet fork portal frame can be achieved, and the heavy goods can be conveniently and accurately stacked.
Owner:ZOOMLION INTELLIGENT ACCESS MASCH CO LTD

Truss manipulator

The utility model relates to the field of industrial machinery, and particularly discloses a truss manipulator which comprises a truss, an X-axis moving frame and a Y-axis moving frame, the Y-axis moving frame is arranged on the truss, the X-axis moving frame is arranged on the Y-axis moving frame, a lifting arm and a first driving motor for lifting the lifting arm are arranged on the X-axis moving frame, and the first driving motor is arranged on the Y-axis moving frame. A clamping mechanism is arranged at the end, away from the X-axis moving frame, of the lifting arm. The X-axis moving frame and the Y-axis moving frame move the clamping mechanism to the position above a carried workpiece, the first driving motor is started to drive the lifting arm to descend, the clamping mechanism clamps the workpiece, and then the first driving motor is started to drive the lifting arm to ascend; and after ascending is stopped, the workpiece is moved to a designated position through the X-axis moving frame and the Y-axis moving frame, after moving is completed, the first driving motor drives the lifting arm to descend, the workpiece is placed at a proper position, and therefore full-automatic carrying of the workpiece is achieved.
Owner:HUBEI HENGLIDA WELDING EQUIP

Electric vehicle disc brake pump turnover device

The utility model relates to the field of machinery, and discloses an electric vehicle disc brake pump turnover device which comprises a walking machine frame, a support is arranged on the machine frame, and a plurality of disc brake fixing pieces are arranged on the support. The disc brake fixing piece is used for being inserted into a handle connecting ring of the disc brake upper pump, or sleeved on the outer wall of a pump body of the disc brake upper pump, or sleeved on the outer wall of an oil pipe connector pipe of the pump body of the disc brake upper pump; when the disc brake fixing piece is connected with the handle connecting ring, the support provides a supporting face for the pump body. When the disc brake fixing piece is connected with the outer wall of the pump body or the outer wall of the oil pipe connector pipe, the support provides a supporting face for the handle connecting ring. According to the circulating device, workers can count the number conveniently, and scratches caused by collision between the electric vehicle disc brake pumps are avoided.
Owner:GUANGZHOU YADEA LOCOMOTIVE CO LTD

Pumping unit and fluid balancing method

PendingCN121916148ADouble adjustment effectlow operating costConstructionsFlexible member pumpsReduction driveCrank
The invention provides a pumping unit and a fluid balancing method, and belongs to the field of petroleum extraction machinery. The pumping unit comprises a base, a supporting seat is fixedly installed on the base, and a motor, a speed reducer and a support are installed on the supporting seat. The walking beam is connected with the bracket through a bearing seat; an output shaft of the speed reducer is connected with the walking beam through a crank and a connecting rod of the four-rod mechanism; the two ends of the walking beam are connected with a first horse head and a second horse head respectively, the first horse head and the second horse head are communicated through a connecting pipe arranged between the first horse head and the second horse head, an electric valve is arranged on the connecting pipe, and an electric cabinet is further arranged on the supporting seat and electrically connected with the electric valve. The oil pumping unit is used for two oil wells close to each other, the function that one oil pumping unit pumps two oil wells is achieved, the equipment investment of one oil pumping unit can be saved, the running loss of one oil pumping unit is reduced, and fluid balance is used for balancing the load difference of the two oil wells; after the balance box is arranged on the second horse head, the second horse head can be only used for pumping oil of one oil well, and fluid balance is used for weight difference between the oil well and the balance box.
Owner:XINJIANG PETROLEUM ADMINISTRATION BUREAU +1

Mechanical knowledge graph construction method and device, equipment and storage medium

The invention discloses a mechanical knowledge graph construction method and device, equipment and a storage medium, and the method comprises the steps: carrying out the entity and relation extraction of each mechanical knowledge document based on a large language model, and enabling the mechanical knowledge document to comprise a maintenance work order, an overhaul manual and a product manual; constructing an entity relationship sub-graph according to entities and relationships extracted from the mechanical knowledge documents; and connecting the entity relationship sub-graphs by adopting a graph construction algorithm to obtain the mechanical knowledge graph. For an engineering machinery knowledge management scene, entity and relationship extraction is performed on diversified data in the machinery field based on a large language model, and a machinery knowledge graph is automatically constructed based on the extracted entities and relationships based on a graph construction algorithm, so that the extraction efficiency and accuracy of the entities and the relationships are improved, and the engineering machinery knowledge management efficiency is improved. Therefore, efficient and stable construction of the mechanical knowledge graph is realized.
Owner:GUANGXI LIUGONG METATHINGS TECHNOLOGY CO LTD +1

Industrial simulation method for mechanical structure

The invention relates to the technical field of mechanical engineering and computer-aided engineering simulation, and discloses a mechanical structure industrial simulation method which comprises the following steps: S1, establishing a geometric model, material attributes and boundary conditions of a mechanical structure; s2, constructing a nonlinear multi-physics field coupling model; s3, constructing a micro-scale model, and describing a grain slippage behavior and a phase change characteristic in the material and the influence of the grain slippage behavior and the phase change characteristic on a macroscopic multi-physical field; s4, mapping the microscale model to a macroscopic field through a homogenization method, and establishing a microcosmic-to-macroscopic multi-field coupling model; s5, dynamically solving the coupling model, and optimizing the solving process by adjusting the time step length and the boundary condition in real time; and S6, monitoring the dynamic response of the multiple physical fields in real time based on stability analysis. According to the method, nonlinear coupling analysis among a heat conduction field, a mechanical field and a vibration field is realized, and mutual influence and dynamic response among multiple fields under complex working conditions are effectively captured through the method.
Owner:SHANGHAI BOHAO ENTERPRISE MANAGEMENT CO LTD

Garden equipment

The utility model provides garden equipment, and relates to the technical field of garden machinery. The garden equipment comprises a first cavity, a second cavity, a conveying channel, a cutting device and an airflow generating device, and the first cavity, the second cavity and the conveying channel all communicate with a mixing area; the material cutting device is used for cutting or smashing an object to be cleaned, so that material scraps are generated in the first cavity; the airflow generating device is used for generating accelerated airflow in the second cavity, and the airflow flows to the conveying channel through the mixing area; the mixing area is used for mixing the material scraps and the air flow discharged from the second chamber to form a mixture; the conveying channel is used for conveying the mixture. According to the garden equipment, the material scraps can be quickly discharged, so that the condition of material scrap blockage is avoided.
Owner:CHANGZHOU LYMOW TECHNOLOGY CO LTD

Method for discriminating action boundary of hole-shaft part

The invention relates to the technical field of geometric error evaluation of hole and shaft parts in the field of machinery, and discloses a hole and shaft part action boundary discrimination method, which comprises the following steps of: deriving a motion coefficient vector for describing radius change of each measuring point based on a tiny rigid body motion model of a surface measuring point set of a measured part; and the motion coefficients are combined into a motion coefficient matrix. Furthermore, the method establishes a discriminant inequality group based on a mutual exclusion proposition. The judgment process is realized by analyzing the rank of the motion coefficient matrix and iteratively solving an equation set formed by the maximum linear independent matrix of the motion coefficient matrix, and finally, whether the fitting cylinder is the action boundary or not is determined by judging whether the inequality set has a feasible solution or not. According to the method, the problems of complicated geometric discrimination conditions, lack of universality and the like in the existing evaluation method can be solved, and a reliable basis which is easy to realize in a stylization manner is provided for determining the action boundary of the hole-shaft part.
Owner:南宁桂电电子科技研究院有限公司 +1

Graded vibration-limiting ridge pressing device

The utility model belongs to the field of agricultural machinery, and particularly relates to a grading vibration limiting ridge pressing device which comprises a rack, a ridging assembly, a vibration ridge pressing assembly and a vibration limiting assembly, the rack is provided with a first driving part and a mounting frame, the ridging assembly is arranged on the rack and is in transmission with the first driving part, and the vibration ridge pressing assembly is arranged on the mounting frame; the vibration limiting assembly comprises a positioning rod, a cushioning spring and a limiting pin, the lower end of the positioning rod is hinged to the vibration ridge pressing assembly, the mounting frame is hinged to a limiting table, a sliding hole is formed in the limiting table, and the positioning rod is slidably inserted into the sliding hole. The cushioning spring is compressed to generate elastic force for pressing the vibration ridge pressing assembly, the upward vibration amplitude of the vibration ridge pressing assembly is reduced, the loosening degree of the ridge surface of the ridge is reduced along with the reduction of the upward vibration amplitude, the ridge surface becomes more compact, and finally the more compact ridge surface can be pressed out.
Owner:QINGDAO UNIV OF TECH +1

Multifunctional engineering vehicle

The utility model belongs to the field of engineering machinery, and relates to a multifunctional engineering vehicle which comprises a walking mechanism, a hopper, a bucket, two large arms, a large arm pitching mechanism and a large arm telescoping mechanism, the hopper is detachably placed on the walking mechanism, the two large arms are symmetrically arranged on the two sides of the hopper, one end of each large arm is hinged to the walking mechanism, and the other end of each large arm is hinged to the bucket. The other end of the bucket is hinged to the bucket, and the bucket is arranged in front of the hopper; one end of the big arm pitching mechanism is hinged to the walking mechanism, and the other end of the big arm pitching mechanism is hinged to the big arm so as to control the pitching angle of the big arm. The large arm comprises a large arm inner sleeve and a large arm outer sleeve arranged on the large arm inner sleeve in a sliding and sleeving mode, the end, away from the large arm inner sleeve, of the large arm outer sleeve is hinged to the walking mechanism, the end, away from the large arm outer sleeve, of the large arm inner sleeve is hinged to the bucket, a large arm telescopic mechanism is arranged on the large arm outer sleeve, and the output end of the large arm telescopic mechanism is connected to the large arm inner sleeve. And the large arm inner sleeve is driven to axially move in the large arm outer sleeve, so that the length of the large arm is controlled.
Owner:CHONGQING HUASUI INTELLIGENT EQUIPMENT CO LTD

Accessory sales prediction method and system, electronic equipment and storage medium

The invention relates to the field of engineering machinery, in particular to an accessory sales prediction method and system, electronic equipment and a storage medium. The accessory sales volume prediction method comprises the following steps: acquiring a first classification label of a to-be-predicted first accessory and first sales volume related information of the first accessory; the first sales volume related information is input into a target prediction model associated with the first classification label, a prediction result output by the target prediction model is obtained, and the target prediction model is obtained through training of training samples corresponding to accessories belonging to the first classification label; and according to the prediction result, determining a target sales volume parameter of the first accessory in the future time period. According to the accessory sales volume prediction method provided by the invention, the accuracy of accessory sales volume prediction is improved.
Owner:SANY GROUP CO LTD

Front counterweight for tractor

The utility model relates to the field of agricultural machinery, in particular to a front counter weight for a tractor, which comprises a counter weight block, a positioning hole is arranged on one side of the counter weight block, a positioning block corresponding to the positioning hole on the adjacent counter weight block in position is arranged on the other side of the counter weight block, and the positioning block extends transversely and is bent downwards. The positioning blocks are matched with the positioning holes in shape, the positioning blocks are inserted into the positioning holes of the adjacent balancing weights, the number of the positioning blocks is two, the two positioning blocks are spaced left and right, the number and the arrangement positions of the positioning holes are matched with those of the positioning blocks, the shape and the size of the positioning holes are larger than those of the positioning blocks, a certain assembling gap is allowed, and insertion and adjustment of the positioning blocks are facilitated. And meanwhile, the connection stability can be kept under the conditions of thermal expansion and cold contraction and the like, and a round corner is arranged at an inlet of the positioning hole. According to the front counter weight for the tractor, accurate butt joint and positioning between the counter weight blocks are achieved, it is guaranteed that the counter weight blocks cannot loosen or fall off in the running process of the tractor, and the overall stability of a counter weight system is improved.
Owner:SHANDONG SHENGHE HEAVY IND CO LTD

Boom of concrete pump truck and concrete pump truck

The present invention discloses a pump truck boom and a pump truck, which relate to the field of engineering machinery and are used to make the structure of the pump truck boom more compact and reasonable. The pump truck boom includes a first boom, a second boom and a worm gear drive mechanism. The second boom is rotatably connected to the first boom. The worm gear drive mechanism includes a worm wheel and a worm that mesh with each other, and the worm wheel includes an inner ring and an outer ring that are rotatably connected; the inner ring is fixedly connected to the first boom, and the outer ring is fixedly connected to the second boom. The pump truck boom provided by the above technical solution adopts a worm gear drive mechanism to drive the first boom and the second boom to rotate relative to each other. The worm gear drive mechanism has a reverse self-locking characteristic and can achieve mechanical self-locking, so that the first boom can be safely and reliably stopped at any position relative to the second boom. In addition, the worm gear drive mechanism has a large transmission ratio, a compact structure, and low weight; the meshing tooth surfaces of the two wheels are in line contact, and the load-bearing capacity is large.
Owner:XUZHOU XCMG CONSTR MACHINERY CO LTD BUILDING MACHINERY

Crushing, vibrating and screening device

The utility model relates to the field of engineering machinery, and discloses a crushing and vibrating screening device which comprises a shell, two first rotating shafts are rotationally arranged on the front side of the upper end of the shell, first crushing wheels are fixedly arranged at the ends, away from first gears, of the two first rotating shafts in a sleeved mode, and a mounting groove is formed in the lower end, away from the first crushing wheels, of the shell. First springs are arranged at the four corners of the upper end of the mounting groove, a first vibration plate is fixedly arranged at the lower ends of the four first springs, a vibration motor is fixedly arranged at the end, away from the first springs, of the first vibration plate, second springs are arranged at the four corners of the lower end of the first vibration plate, and a second vibration plate is fixedly arranged at the lower ends of the four second springs. A crushing box is fixedly arranged at the lower end of one side of the shell. According to the utility model, raw materials can be crushed and screened for multiple times, so that the crushing efficiency is improved, the raw materials are ensured to be fully crushed, and the waste of energy and cost is reduced.
Owner:ZHANGYE NEW GREAT BOW AGROCHEM

A device for eliminating the rocking of a stranding machine cradle and its usage method

The present invention discloses a device for eliminating the shaking of the cradle of a stranding machine, which relates to the mechanical field and includes: a main housing, a guide wheel device, a wire changing device, and a wire guiding device. After the wire is fixed in the main housing, the wire is fed through a guide wheel track and a guide wheel disc. When the wire is fed, when the wire exits left and right, the wire changing device makes adaptive adjustments to ensure that the wire does not jump the line, and finally the fed wire is led out by the wire guiding device.
Owner:ZHANGJIAGANG TWENTSCHE CABLE

Space end effector adaptive manipulator and its transmission and control method

The application discloses a kind of space end effector adaptive fingers and its transmission and control method, belong to spaceflight control machinery field, the manipulator tool is sequentially included from top to bottom: finger part, motor layer, drive layer, flange layer;The finger part includes: first mobile finger, second mobile finger, fixed finger;The first mobile finger, second mobile finger, fixed finger all have three knuckles, from top to bottom are far knuckle, middle knuckle and near knuckle, there is a recess on each knuckle for embedding sensor;The structure of first mobile finger, second mobile finger, fixed finger is same;The application realizes multiple finger actions by different contact and cooperation between multiple motor systems, can control a small amount of motor system and drive device to carry out rotating drive two fingers to carry out fixed shaft relative rotation, and single finger alone carries out gripping action and restores multiple actions such as etc.;And the application guarantees efficiency while making space utilization reach maximum.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

External angular displacement synchronizing device and tractor

The utility model relates to an external angular displacement synchronizing device and a tractor, and relates to the field of agricultural machinery, a rack of the external angular displacement synchronizing device is fixedly provided with a measured rod rotating shaft, a measured rod is rotatably connected with the measured rod rotating shaft, the measured rod is in transmission connection with a synchronizing shaft through a transmission mechanism, and an angular displacement sensor is fixedly connected with the rack. And the angular displacement of the synchronizing shaft is detected. The tractor comprises the external angular displacement synchronizing device. The beneficial effects of the utility model are that when the rod to be detected rotates, the transmission mechanism synchronously drives the synchronizing shaft to rotate, and the angular displacement sensor detects the angular displacement of the synchronizing shaft so as to obtain the angular displacement of the rod to be detected. In other words, when the rotating shaft of the rod to be measured does not rotate or the angular displacement sensor cannot be installed, the motion angular displacement of the rod to be measured can be reflected to the synchronizing shaft through the transmission mechanism, so that the angular displacement of the rod to be measured is measured.
Owner:LOVOL HEAVY IND CO LTD

Control system, method, processor, and storage medium for a leg

The application relates to the field of engineering machinery, in particular to a control system and method for a support leg, a processor and a storage medium. The method comprises the following steps: acquiring a side load pressure of a vertical support leg through a side load sensor; determining an initial angle between a current luffing oil cylinder and a horizontal direction; determining an execution length of the luffing oil cylinder according to the initial angle and a target angle, wherein the target angle is an angle between the luffing oil cylinder and the horizontal direction when the side load pressure is zero; comparing the side load pressure with a preset threshold value; and controlling the luffing oil cylinder to contract or extend the execution length according to the size between the side load pressure and the preset threshold value, so as to control the vertical support leg to rotate and adjust the side load pressure to zero. According to the side load pressure of the vertical support leg, the luffing oil cylinder is controlled to contract and extend, so that the vertical support leg can rotate relative to the horizontal support leg, thereby offsetting the side load pressure borne by the vertical support leg, effectively reducing the failure risk of the oil cylinder and greatly prolonging the service life of the oil cylinder.
Owner:ZOOMLION INTELLIGENT ACCESS MASCH CO LTD

Batching and feeding mechanism of mixing mill

The utility model relates to the field of material processing machinery, and discloses a batching and feeding mechanism of a mixing mill, which comprises a base, a plurality of baffles are fixedly connected to the top of the base, an anti-blocking mechanism is arranged among the baffles, a feeding tank is fixedly connected to the tops of the baffles, a grinding and mixing mechanism is arranged in the feeding tank, and the grinding and mixing mechanism is arranged in the feeding tank. A hollow box is fixedly connected to the outer side of the feeding tank, a lubricating mechanism is arranged in the hollow box, the grinding and mixing mechanism comprises a main grinding roller and a plurality of auxiliary grinding rollers, and the main grinding roller is arranged among the auxiliary grinding rollers. According to the utility model, after being fed into the feeding tank, ingredients are ground and sheared by the plurality of grinding rollers inside the feeding tank, and are uniformly mixed at the same time. And the treated materials finally fall on the discharging plate, and the whole process is efficient and rapid. According to the design, the tedious steps of respectively mixing and cutting ingredients in the traditional process are effectively simplified, and the working efficiency is greatly improved.
Owner:DALIAN TYRE FACTORY CO LTD

Highway subgrade crushing and leveling all-in-one machine and method based on energy-saving motor

The invention relates to the field of engineering construction machinery, in particular to a highway subgrade crushing and leveling all-in-one machine and method based on an energy-saving motor. The device comprises a mounting frame, an adjusting mechanism, a cutting mechanism and a crushing mechanism. The adjusting mechanism controls the moving frame to move longitudinally through an electric push rod to adjust the cutting height; the cutting mechanism adopts an annular cutter with a notch in the circumferential direction to pre-cut the raised roadbed; the crushing mechanism converts cutting power into rotating motion of a reciprocating lead screw through gear transmission, and the crushing assembly is driven to conduct buffering type impact crushing on a cutting area. The crushing assembly comprises a crushing disc with a buffer groove and sliding crushing teeth and is combined with a variable frequency motor to achieve multi-stage crushing. According to the scheme, a vibration transmission area is isolated through pre-cutting, the problems that traditional equipment is insufficient in crushing precision and a roadbed is loosened are solved, and crushed materials are centrifugally thrown through the annular cutter to achieve roadbed leveling.
Owner:ZHEJIANG HAOYUAN CONSTR CO LTD