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131 results about "Mechanical field" patented technology
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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.
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
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
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
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
A road pit rapid repair paver
The utility model relates to the field of engineering machinery, concretely is a kind of road pit rapid repair paver, including vehicle body, handrail, mounting seat and adjusting assembly, the upper surface of vehicle body is fixedly connected with handrail, the surface of vehicle body is fixedly connected with mounting seat, adjusting assembly includes scraper one and positive and negative screw rod, the surface of scraper one is slidably connected with mounting seat, the surface of scraper one is fixedly connected with connecting block one, the lower portion of mounting seat is equipped with positive and negative screw rod, the surface of connecting block one is screw-connected with positive and negative screw rod, the side of positive and negative screw rod is rotatably connected with carousel, the surface of mounting seat is slidably connected with scraper two, scraper two and scraper one are symmetrically arranged.The utility model, by setting adjusting assembly, quickly change scraper width, reduce the number of round trips operation, especially in large-area road pit repair significantly improve efficiency, improve overall operation efficiency.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD +1
Control method, processor, working machine and storage medium for a working machine
The application relates to the field of engineering machinery, in particular to a control method for engineering machinery, a processor, engineering machinery and a storage medium. The engineering machinery comprises an operating device, an input piston, a pressure piston, a pressure oil source, an electromagnetic reversing valve, a variable pressure reducing valve and a hydraulic oil source, a pressure cavity is formed between the input piston and the pressure piston, an oil inlet of the electromagnetic reversing valve is connected with the pressure oil source, and the first end and the second end of the variable pressure reducing valve are respectively connected with the electromagnetic reversing valve and the pressure cavity. The method comprises the following steps: in the case that the operating mode of the engineering machinery is a first mode, the electromagnetic reversing valve is controlled to be opened, so that the hydraulic oil of the pressure oil source flows through the variable pressure reducing valve and is introduced into the pressure cavity; the target operating force of the operating device is acquired; the valve opening degree of the variable pressure reducing valve is adjusted, so that the oil pressure of the hydraulic oil flowing through the variable pressure reducing valve and being introduced into the pressure cavity is adjusted, and the operating force of the operating device is the target operating force. The operating force of the operating device is adjusted, so that the operating device meets different operating conditions.
Owner:ZOOMLION EARTHMOVING MASCH CO LTD +1
Combined orchard branch crusher
The utility model relates to the field of agricultural machinery, in particular to a combined orchard branch pulverizer which comprises a walking frame, a pulverizing bin installed above the front portion of the walking frame, a power device installed above the rear portion of the walking frame and connected with a transmission device, a feeding port formed in the upper middle portion of the rear portion of the pulverizing bin, and a discharging port formed in the lower middle portion of the front portion of the pulverizing bin. And the discharge guide plate is arranged at the discharge hole. Fine crushing of branches is achieved through a crushing mode of combining first-stage chopping and second-stage crushing, the crushing granularity of the branches can be controlled, and the crushing efficiency is improved.
Owner:ZIBO AGRI MASCH RES INST
Adjustable chain hoist supporting sliding seat
Owner:SHANGYOU TENGYUE (WUHAN) TECH CO LTD
Electric air suction and exhaust machine
The utility model relates to the field of daily machinery, in particular to an electric air suction and exhaust machine which is used for sucking waste gas in one place and exhausting the waste gas to another place. Comprising a screw I, an end cover, a base, a transmission combination, a motor and a screw II. The electric inspiration and exhauster is convenient to use, simple and convenient to operate and capable of conveniently absorbing and exhausting waste gas such as poison gas and odor.
Owner:YIWU INDAL & COMMERICAL COLLEGE
Turbine low-pressure cylinder fault diagnosis method and device based on extreme learning machine, and storage medium
PendingCN121580224ABiological modelsDesign optimisation/simulationLearning machineProcess engineering
The invention belongs to the field of machinery, and particularly relates to a turbine low-pressure cylinder fault diagnosis method and device based on an extreme learning machine and a storage medium. The invention aims to solve the problem of low fault diagnosis precision of the existing turbine low-pressure cylinder. The invention provides a turbine low-pressure cylinder fault diagnosis method based on an extreme learning machine. The turbine low-pressure cylinder fault diagnosis method comprises the steps of obtaining a trained turbine low-pressure cylinder fault diagnosis model based on the extreme learning machine; obtaining to-be-diagnosed steam turbine monitoring data; inputting to-be-diagnosed steam turbine monitoring data into the trained steam turbine low-pressure cylinder fault diagnosis model based on the extreme learning machine to obtain a predicted value of irreversible loss of the low-pressure cylinder; the irreversible loss value of the low-pressure cylinder in the actual operation state is calculated according to the to-be-diagnosed steam turbine monitoring data; and performing fault diagnosis on the low-pressure cylinder of the steam turbine according to the irreversible loss value of the low-pressure cylinder in the actual operation state and the predicted value of the irreversible loss of the low-pressure cylinder.
Owner:GUANGDONG DATANG INT CHAOZHOU POWER GENERATION CO LTD +2
Concrete mixing plant
ActiveCN117301289BGuaranteed work efficiencyExtended service lifeDischarging apparatusCement mixing apparatusOil and greaseStructural engineering
The application relates to the field of engineering machinery and discloses a concrete mixing device, which comprises a hydraulic power unit, a discharge door driving assembly, a hydraulic lubricating device and a controller. The hydraulic lubricating device comprises a grease conveying pipeline, an on-off valve and a driving pipeline assembly. The grease conveying pipeline is connected to the bearing position of the discharge door of the concrete mixing device. The on-off valve is arranged on the grease conveying pipeline and is used for conducting or cutting off the grease conveying pipeline. The driving pipeline assembly is connected to the hydraulic power unit and is used for driving the on-off valve to open or close. The controller is configured to determine that the concrete mixing device is in a mixing function mode, determine that the concrete mixing device has completed discharging, control the discharge door driving assembly to drive the discharge door to close, and control the driving pipeline assembly to drive the on-off valve to open so that the lubricating grease lubricates the bearing position of the discharge door. The concrete mixing device can automatically lubricate the bearing position of the discharge door, which is favorable for reducing labor intensity and improving lubricating efficiency.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD +1
Framing positioning structure
The utility model relates to the field of material transportation machinery, and particularly discloses a framing positioning structure which comprises a conveying assembly, a translation assembly and a positioning assembly, the translation assembly enables a transportation frame to move back and forth between the conveying assembly and the positioning assembly, and the positioning assembly is arranged at the end, away from a feeding port of the conveying assembly, of the translation assembly. The positioning assembly comprises a positioning frame, an end abutting block and a lateral abutting block, the end abutting block limits movement of the conveying frame in the conveying direction of the conveying assembly, the lateral abutting block is arranged on the side, away from the conveying assembly, of the positioning frame, and the lateral abutting block limits movement of the conveying frame in the conveying direction of the translation synchronous belt. By arranging the translation assembly communicated with the conveying assembly and combining the cooperation of the translation assembly and the positioning assembly, the positioning of the transport frame in the moving process of the transport frame can be completed, the automatic positioning operation of the transport frame is completed, the positioning and loading efficiency of the transport frame is greatly improved, and the automatic process of loading is promoted.
Owner:DUOMAI INTELLIGENT MFG (GUANGDONG) CO LTD
High-horsepower tractor with self-discharging function
ActiveCN224075457UVehicle with tipping movementTransportation itemsAgricultural scienceAgricultural engineering
The utility model relates to the field of agricultural machinery, in particular to a high-horsepower tractor with a self-discharging function, which comprises a tractor main body, a carriage and an auxiliary component, the carriage is mounted on the tractor main body, the auxiliary component comprises a connecting lug plate, a guide component, a scraping plate, a rubber scraping strip and a driving component, and the connecting lug plate is connected with the carriage through the guide component. The guide component is installed on the carriage and supports the connecting lug plate, the scraping plate is fixedly connected with the connecting lug plate and located in the carriage, the rubber scraping strip is detachably connected with the scraping plate and makes contact with the inner wall of the carriage, and the driving component drives the scraping plate to move. And manual subsequent cleaning is needed, and use is inconvenient.
Owner:SHANDONG LUHONG AGRI EQUIP CO LTD
Manually detachable curved glass door for engineering machinery
The utility model discloses a manually detachable curved glass door for engineering machinery, which belongs to the field of engineering machinery and comprises a cab and a door structure, a front windshield is arranged on the cab, and the door structure comprises a sealing strip, a glass door, a mounting framework, a hinge structure and a door lock structure. The glass door is in the form of curved glass, the view of a cab can be improved, driving safety is improved, a hinge structure is installed on the inner side of a door of the cab, a manually detachable rotating handle is arranged in the hinge structure, the door and the cab can be separated by manually operating the rotating handle, emergency escape is achieved, and use safety is further improved. A structure for installing a wiper motor is arranged at the lower end of the installation framework, the wiper motor can be installed, a wiper is installed on the outer side, the wiping function of the wiper is achieved, the glass door plays a role in opening and closing the vehicle door through a rotating shaft installed on the hinge structure, and an air spring is adopted to provide an auxiliary role in opening and closing the vehicle door.
Owner:SHANTUI CONSTR MASCH CO LTD
Roller structure of garbage compactor
The utility model relates to the field of engineering machinery, in particular to a roller structure of a garbage compactor. The rolling wheel structure comprises a front wheel, a rear wheel, a first driving wheel and a second driving wheel, wherein the front wheel comprises a first rim and a first tooth block; the first gear blocks are arranged in the circumferential direction of the first rim to form a first gear ring, and the first gear ring is provided with a plurality of circles in the length direction of the first rim. A groove is formed between every two adjacent first gear rings; the rear wheel comprises a second rim and a second tooth block mounted on the second rim; the second gear blocks are arranged in the circumferential direction of the second rim to form a second gear ring, and the second gear ring is matched with the grooves. According to the roller structure of the garbage compactor, the groove of the front wheel is matched with the second gear ring of the rear wheel, so that garbage rolled into the groove can be compacted, and the crushing and compacting effect of the garbage is enhanced.
Owner:SHANTUI CONSTR MASCH CO LTD
Compressing and packing device for fluffy products
The utility model relates to the field of packaging machinery, in particular to a fluffy product compressing and packaging device which comprises a rack, the front end of the rack is provided with a vertical working end, the working end is provided with an upper module, a lower module and an ejection module, the upper module and the lower module are vertically and oppositely matched, and the ejection module is located on the opposite horizontal center lines of the upper module and the lower module. A first executing mechanism used for driving the upper module and the lower module to be opened and closed relatively and a second executing mechanism used for driving the ejection module to stretch out and draw back horizontally are arranged in the rack, and an electric control unit used for controlling the first executing mechanism and the second executing mechanism is further arranged on the rack; the upper module is provided with an upper guide plate horizontally extending forwards, and the lower module is provided with a lower guide plate horizontally extending forwards. A fluffy product is compressed through the upper guide plate and the lower guide plate, so that a clamping structure formed by the upper guide plate and the lower guide plate can be conveniently sleeved with a packaging bag, then the fluffy product is pushed forwards to enter the packaging bag through the ejection module, and the whole machine is small in size, large in stroke, high in packaging efficiency and good in packaging quality.
Owner:DONGGUAN JINYE HOME TEXTILE CO LTD
Scraper blade device, telescopic boom and concrete wet spraying machine
ActiveCN223838599UUnderground chambersCleaning using toolsArchitectural engineeringStructural engineering
The utility model relates to the field of engineering machinery, and discloses a scraper device, a telescopic boom and a concrete wet spraying machine, the scraper device comprises a fixed seat, a movable seat and an elastic piece, the first end of the movable seat is hinged with the first end of the fixed seat, and the elastic piece is connected between the second end of the fixed seat and the second end of the movable seat. The scraping plate is fixedly connected to the movable base and extends in the direction from the first end to the second end of the movable base. The scraping plate device can be applied to a telescopic boom frame, the fixed seat is fixedly connected to the end of the basic boom, the scraping plate is made to abut against the outer side wall of the telescopic boom, in the retracting process of the telescopic boom, the scraping plate can stop scraping concrete on the telescopic boom, the concrete is prevented from entering a cavity of the basic boom, and when the telescopic boom deviates downwards, the scraping plate is not prone to falling off. And under the acting force of the elastic piece, the scraping plate can always abut against the outer side wall of the telescopic arm, the effect of preventing concrete from entering the inner cavity of the foundation arm is good, and reliability is high.
Owner:HUNAN CIFA ENG MASCH CO LTD
Turnover lifting appliance
The invention discloses a turnover lifting appliance, which belongs to the field of engineering machinery, and comprises an outer connecting frame, a turnover frame, a lifting frame and a plurality of lifting assemblies, the turnover frame is rotatably connected to the outer connecting frame, the lifting frame is slidably connected to the turnover frame, the lifting frame is arranged in a square shape, and the plurality of lifting assemblies are respectively arranged on the turnover frame corresponding to the corners of the lifting frame. The lifting assembly comprises a lifting driving assembly, a movable pulley and a flexible connecting piece, the lifting driving assembly is installed on the overturning frame, the movable pulley is connected with the output end of the lifting driving assembly, the two ends of the flexible connecting piece are connected with the overturning frame and the hanging bracket respectively, the middle of the flexible connecting piece is wound around the movable pulley, and the lifting driving assembly is used for driving the movable pulley to move. Therefore, the flexible connecting pieces pull the hanging bracket to ascend and descend, and the multiple flexible connecting pieces are connected to the corner positions of the hanging bracket. According to the embodiment of the invention, the flexible connecting piece can absorb impact vibration in the lifting process of the hanging bracket, reduce shaking of the hanging bracket in the lifting process, improve stability, disperse loads and avoid local overload.
Owner:HUNAN TUNAN MASCH TECH CO LTD
Water pressure core pushing device
The utility model belongs to the field of engineering machinery relates to a water pressure pushes the core device, including the drill cylinder, is hollow cylindrical structure, its one end is equipped with the water inlet, to go into the cooling water, first push the material board, along the axial sliding installation of drill cylinder is in the inner chamber of drill cylinder, is equipped with the water outlet hole and the valve core installation cavity of radial arrangement in first push the material board, the valve core installation cavity links the water outlet hole and has the valve core and elastic component inbuilt, the valve core radial removal installs in valve core installation cavity, is under the pre -tightening force of elastic component in initial position, to close the water outlet hole, and under the centrifugal force effect moves outward to open the water outlet hole, the one end of valve core installation cavity is equipped with the block far from the water outlet hole, is used for fixing spring and closing valve core installation cavity. The utility model through the centrifugal movement of valve core, realizes the automatic switching of water flow state in the drilling and pushes the core stage, need not external control, the water flow is used for cooling lubrication when drilling, closes the water flow and forms high pressure to realize pushing the core when pushing the core.
Owner:CHONGQING HUASUI INTELLIGENT EQUIPMENT CO LTD
Damping noise reduction assembly, engineering machinery, vibration reduction method and device and medium
The invention discloses a damping noise reduction assembly, engineering machinery, a vibration reduction method, a vibration reduction device and a medium, relates to the field of engineering machinery, and aims to meet the vibration reduction requirements of the engineering machinery under complex working conditions and long-time continuous operation conditions. The damping noise reduction assembly comprises a shell assembly, a middle layer, a restraining piece, a damping coating layer and a damping paint layer. The shell assembly comprises a shell, an expansion piece and damping slurry. The shell comprises a containing cavity, the expansion piece is fixed to the inner wall of the containing cavity, and a gap between the expansion piece and the shell is filled with the damping slurry. And the middle layer is fixedly connected with the shell assembly. The restraining piece is fixedly connected with the side, away from the shell assembly, of the middle layer. The damping coating layer is fixedly connected with the side, away from the middle layer, of the restraining piece. The damping paint layer is fixedly connected with the side, away from the restraining piece, of the damping coating layer. According to the technical scheme, through the multi-layer synergistic effect, vibration is absorbed, isolated and consumed from different aspects, the noise reduction effect is greatly improved, and the noise reduction device is particularly suitable for complex working conditions and working conditions of long-time continuous operation.
Owner:JIANGSU XCMG STATE KEY LAB TECH CO LTD
Control methods, processors, excavators, and storage media for excavators
This application relates to the field of construction machinery, specifically, it designs a control method, processor, excavator, and storage medium for an excavator. The method includes: acquiring the bucket pressure when the excavator is in an abnormal state; determining, based on the bucket pressure, that there is no material in the bucket, controlling the excavator body to rotate to an angle parallel to the traveling device; and controlling each working device to perform a corresponding action to reset the excavator to a preset safe posture. In the above technical solution, when the processor determines that the excavator is in an abnormal state, it automatically adjusts the excavator body and working devices to bring the excavator into a stable and safe state, thereby preventing the excavator from malfunctioning.
Owner:ZOOMLION EARTHMOVING MASCH CO LTD +1
Pumping hydraulic system
The application relates to the field of engineering machinery, in particular to a pumping hydraulic system. The pumping hydraulic system comprises a closed pump, a first pumping cylinder comprising a first rodless cavity, a first rod cavity and a first piston rod, the first rodless cavity being communicated with the closed pump; a second pumping cylinder comprising a second rodless cavity, a second rod cavity and a second piston rod, the second rodless cavity being communicated with the closed pump, the first rod cavity being connected with the second rod cavity through a communication cavity; a pressure relief device connected with the first rodless cavity and the second rodless cavity respectively; and a controller electrically connected with the pressure relief device and the closed pump and configured to: according to the position of the first piston rod or the second piston rod, make the first rodless cavity and the second rodless cavity conduct or disconnect through controlling the pressure relief device, and adjust the working state of the closed pump. The first pumping cylinder or the second pumping cylinder is relieved, so that the piston rod is buffered, and violent collision between the piston rod and the bottom of the pumping cylinder is avoided.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD
A tensioning device for a mining miller
The utility model belongs to the field of engineering machinery, especially relates to milling and planing machine structure, concretely is a kind of tensioner for mining milling and planing machine, including driving pulley, tensioner, driven pulley, V type group belt, tensioning oil cylinder;V type group belt is set on driving pulley and driven pulley, driving pulley and driven pulley are separately located at the both ends of V type group belt, wherein driving pulley is connected with power system, tensioner is located at the middle of V type group belt and is in contact with its inner side, and located below the chassis bottom plate, one end of tensioning oil cylinder is fixed with the chassis bottom plate, and one end is connected with tensioner.The tensioner for mining milling and planing machine provided by the utility model increases the height of tensioning oil cylinder seat, reduces the support length of tensioning oil cylinder, and at the same time reduces the strength of V type group belt tensioning, increases the service life of V type group belt.
Owner:SHAANXI ZHONGHUAN MACHINERY CO LTD
Gabion filling device for water conservancy project
The utility model belongs to the field of carrying machinery, and relates to a gabion filling device for a water conservancy project, which comprises a movable gantry crane mounted on the ground, a pit is arranged below the movable gantry crane, the movable gantry crane comprises a winch, the winch is connected with a hopper through a steel cable, the hopper comprises two material carrying plates, and the two material carrying plates are arranged in the pit. The driving mechanism is used for driving the lower ends of the two material carrying plates to be close to or far away from each other and comprises a hydraulic oil cylinder. According to the utility model, the movable gantry crane is used for hoisting stones to all positions in the gabion, so that uniform filling is realized, the gabion does not need to be moved, and more energy is saved.
Owner:SHANDONG LYUZHIXING ENVIRONMENT ENG CO LTD
A sand-coated molding line for large castings
ActiveCN224389928Uquality improvementlow investment costFoundry mouldsMoulding machinesHeating furnaceMechanical field
The utility model relates to a kind of for large castings multiple large iron type's sand-coated molding line, it belongs to mechanical field.The utility model includes iron type and model heating furnace device, iron type and model mould drawing separation mechanism, iron type sand shooting sand-coated device, iron type and model grabbing moving mechanism, variable rail transition transfer trolley mechanism and multiple load moving platform car, iron type and model conveying rail line one from right to left respectively have iron type and model heating furnace device, iron type and model grabbing moving mechanism, iron type sand shooting sand-coated device and iron type and model mould drawing separation mechanism;Iron type and model conveying rail line two from left to right respectively have the moulding station of iron type and model and multiple load moving platform car;Two transition transfer trolley rails are respectively equipped with a variable rail transition transfer trolley mechanism;Iron type and model mould drawing separation mechanism, iron type sand shooting sand-coated device are all through type.The utility model structure is reasonable, sand-coated casting quality is good, degree of automation is high, easy to install, satisfy use demand.
Owner:浙江省机电设计研究院有限公司
Assembling equipment for plastic sensible heat exchange core
The utility model relates to the field of machinery, in particular to a plastic sensible heat exchange core assembling device which comprises a support platform, a stacking opening corresponding to a chip in shape is formed in the middle of the support platform, a stacking table is arranged below the stacking opening, and the stacking table is driven by a stacking mechanism to ascend and descend. A first welding station C, a second welding station D, a third welding station E and a fourth welding station F are arranged on the periphery of the stacking opening, the first welding station C and the third welding station E are in diagonal fit, and the second welding station D and the fourth welding station F are in diagonal fit. A manipulator is arranged on the translation lifting mechanism, an A-side chip and a B-side chip are arranged on the material placing plate, the A-side chip and the B-side chip are grabbed by the manipulator, then are driven by the chip translation lifting mechanism to be placed on the stacking table, and are sequentially subjected to diagonal edge pressing welding by the first welding station C, the third welding station E, the second welding station D and the fourth welding station F.
Owner:ZHEJIANG DEPULAITAI ENVIRONMENTAL TECH CO LTD
Chair frame and chair
The embodiment of the specification relates to the field of household article machinery, in particular to a chair frame and a chair. A chair frame comprises a first seat frame connecting rod, the first end of the first seat frame connecting rod in the length direction is hinged to a first seat frame supporting rod, and the second end of the first seat frame connecting rod in the length direction is hinged to the second end of a second foot stool connecting rod part in the length direction; a rod body of the second seat frame connecting rod is hinged to the first end, in the length direction, of the first foot stool connecting rod part, and the first end, in the length direction, of the first foot stool connecting rod part is connected with the second foot stool connecting rod part; and the length direction end of the auxiliary mounting rod is fixedly connected with the length direction first end of the second seat frame connecting rod. The auxiliary mounting rod is additionally arranged at the first end of the second seat frame connecting rod in the length direction, and the auxiliary mounting rod and the second seat frame connecting rod are integrally formed, so that after the first electric push rod is telescopically used for a long time, connection looseness of the auxiliary mounting rod and the second seat frame connecting rod cannot be caused, and the structural stability of the chair frame cannot become poor after the chair frame is used for a long time.
Owner:ANJI SHENGXIN OFFICE FURNITURE
Double-crank piston cylinder mechanism and application thereof
The invention relates to the field of machinery, discloses a double-crank piston air cylinder mechanism and application thereof, and can eliminate lubricating oil between an air cylinder and a piston. The mechanism comprises: a cylinder; the piston reciprocates in the air cylinder, and a uniform gap is kept between the piston and the inner wall of the air cylinder; the first end of the piston rod is fixedly connected with the piston; the two motors are consistent in specification, and windings of stators of the two motors are electrically connected in series; the piston rod penetrates through the guide bearing, and the guide bearing restrains the piston rod to reciprocate along the central axis of the air cylinder; the second end of the piston rod is mechanically connected with the rotors of the two motors through the symmetrical double-crank connecting rod mechanism, and the symmetrical double-crank connecting rod mechanism is used for switching between the linear reciprocating motion of the piston rod and the rotation of the rotors of the two motors; and the oil seal is arranged between the symmetrical double-crank connecting rod mechanism and the piston, and the piston rod penetrates through the oil seal.
Owner:SHANGHAI YOUJIU INFORMATION TECH CO LTD
Electric drive bulldozer transmission system and bulldozer
The utility model relates to the field of engineering machinery, in particular to an electrically-driven bulldozer transmission system and a bulldozer. The transmission system comprises an output mechanism; the planetary mechanism comprises a planet carrier connected with the output mechanism, a sun gear meshed with the planet carrier and an inner gear ring; the main motor is connected with the sun gear and is configured to drive the sun gear to rotate; the steering motor is connected with the inner gear ring and is configured to drive the inner gear ring to rotate; the sun gear and the ring gear are configured to converge power at the planet carrier. According to the transmission system of the electrically-driven bulldozer, the requirements for power and torque of all the motors can be reduced in a motor power confluence mode, and therefore the comprehensive cost of the transmission system is reduced.
Owner:SHANTUI CONSTR MASCH CO LTD