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969 results about "Engineering machiner" patented technology

Double-seat cooperative safety control method and system for engineering machinery

The invention discloses a double-seat cooperative safety control method and system for engineering machinery, relates to the technical field of engineering machinery control, and provides the following scheme that the method comprises the steps that a first operation instruction stream of a main driving seat and a second operation instruction stream of a co-driving seat are collected in real time, and a working condition parameter set of the engineering machinery is synchronously obtained; the operation instruction stream comprises all degree-of-freedom motion parameters of the engineering machinery, inputting the first operation instruction stream into a pre-constructed long-short-term memory model, outputting a prediction operation instruction stream in a future time window, and based on a difference vector of the first operation instruction stream and a second operation instruction stream on each degree-of-freedom motion parameter. According to the method, through the index curve fitting model and Simpson integral calculation, the defect that the co-pilot intervention weight is difficult to quantify is overcome, the dynamic intervention weight based on the physical equidistant interval absolute integral value is realized, and the accuracy of the control signal of the engineering machinery is improved.
Owner:ARMY ENG UNIV OF PLA

Excavator part machining treatment device

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.
Owner:SHANDONG DAZHONG MECHANICAL MFG CO LTD

Engineering mechanical equipment remote monitoring system and method based on Internet of Things

The invention provides an engineering mechanical equipment remote monitoring system and method based on the Internet of Things, and relates to the technical field of equipment operation monitoring, and the method comprises the steps: carrying out the cross-scale feature response of a dynamic impact signal of engineering mechanical equipment through an intelligent calculation node, and obtaining a frequency domain migration feature and an energy attenuation feature; carrying out gradient operation on the operation thermal field data of the engineering mechanical equipment to obtain heat flow evolution characteristics; utilizing a coupling analysis model dynamics interaction map; performing space-time resonance convolution prediction on node states and edge relations of the dynamic interaction atlas based on the displacement track to obtain a state prediction curve of the engineering mechanical equipment; and according to the state prediction curve and a preset scheduling instruction, an adaptive feedback network is constructed at an edge computing node of the Internet of Things, and then remote monitoring scheduling is performed on the engineering mechanical equipment based on the adaptive feedback network, so that operation state prediction and scheduling closed-loop control of the engineering mechanical equipment can be realized; therefore, the remote monitoring stability of the engineering mechanical equipment is improved.
Owner:XIONGTAO NETWORK TECH (HANGZHOU) CO LTD

Construction machine, construction machine management system, and machine learning apparatus

A construction machine includes a travel actuator, an attachment actuator, a storage, an information obtaining device, and a hardware processor configured to perform braking control of at least one of the travel actuator and the attachment actuator in response to determining that a dangerous situation is going to occur based on information obtained by the information obtaining device and information stored in a database in the storage.
Owner:SUMITOMO HEAVY IND LTD

Health management method and device for engineering mechanical equipment

The invention relates to a health management method and device for engineering mechanical equipment. The engineering mechanical equipment comprises the system, and the system comprises parts needing to be monitored. The method comprises the following steps: acquiring a monitoring index associated with a part from a pre-constructed index library; acquiring monitoring data related to the monitoring indexes; obtaining maintenance knowledge which is associated with the parts and comprises the monitoring indexes from a pre-constructed maintenance knowledge base, wherein the maintenance knowledge comprises maintenance measures for the parts; determining the risk level of the part based on the monitoring data and a preset risk level threshold; in response to the fact that the risk level of the part is within the maintenance risk level range, a maintenance strategy for the part is determined based on the maintenance measures for the part; and pushing the maintenance strategy for the part so as to execute the maintenance measure for the part.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD

Transmission system and engineering machinery

The invention belongs to the technical field of engineering machinery, and discloses a transmission system and engineering machinery. The transmission system comprises an integrated shell, a motor assembly, a brake assembly and a speed reducer assembly, the motor assembly, the brake assembly and the speed reducer assembly are arranged in the integrated shell and distributed in the first direction, an output piece of the motor assembly is in transmission connection with an input piece of the speed reducer assembly through the brake assembly, and an output piece of the speed reducer assembly is connected with the hub. The integrated shell is provided with a cooling channel set, and the cooling channel set can conduct heat dissipation on the motor assembly, the brake assembly and the speed reducer assembly at the same time. By arranging the integrated shell, the structure of a transmission system can be simplified, the cost can be reduced, the machining consistency is good, the supporting rigidity is better, and transmission errors caused by structural deformation are reduced; the cooling channel group is arranged on the integrated shell, so that the motor assembly, the brake assembly and the speed reducer assembly can be cooled at the same time by only one cooling system, the utilization rate of the cooling system is improved, the cooling efficiency is high, and the service life of the system is prolonged.
Owner:柳工柳州传动件有限公司 +1

Rotary drive mechanism, boom and engineering machine

This invention relates to the field of booms, and discloses a rotary drive mechanism, a boom, and engineering machinery. The rotary drive mechanism includes an annular piston (10) and a stator. The annular piston (10) is provided with piston teeth having protruding curved tooth surfaces and piston teeth having inclined flat tooth surfaces. The stator is provided with stator teeth having protruding curved tooth surfaces and stator teeth having inclined flat tooth surfaces. The annular piston (10) can be driven to move axially relative to the stator. Through the above-described technical solution, the combination of the meshing of curved tooth surfaces and the meshing of flat tooth surfaces can ensure smooth transmission in the initial meshing stage, reduce noise, and allow the subsequent meshing stage to convert axial movement into uniform rotation, providing a more stable torque output.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Quick replacer

The invention relates to a quick changer (1) for changing an attachment on a construction machine, comprising: a carrier (2), which has a first receptacle (4) for a first coupling element on one side thereof and a second receptacle (5) for a second coupling element on the other side thereof; and a drive device (12) movably arranged at the support (2) in order to move the at least one locking element (13) associated with the first receptacle (4) between an extended locking position and a retracted release or replacement position, a plurality of hydraulic quick couplings being arranged at the drive device (12) in order to supply the additional device with hydraulic fluid. According to the invention, only three hydraulic quick couplings (19A, 19B, 19C) arranged next to one another are arranged on the drive device (12), of which two outer hydraulic quick couplings (19A, 19B) lie in the same plane and in contrast, the inner hydraulic quick coupling (19C) lying therebetween is offset in height upwards.
Owner:YOUKUAIKE GERMANY GMBH

Construction machine

A construction machine is capable of returning the posture of an earth removal plate (blade) from a rocking posture to a predetermined normal posture. A stay is mounted on the construction machine body to move in upward and downward directions. The earth removal plate is mounted on the distal end portion of the stay, and is rockably movable in forward and rearward directions by an angle cylinder controlled by a flow of hydraulic fluid in response to receiving an instruction about rocking the earth removal plate. A normalization switch gives an instruction to set the posture of the earth removal plate to a predetermined normal posture from the rocking posture. The posture of the earth removal plate is set to the predetermined normal posture from the rocking posture in response to the instruction from the normalization switch.
Owner:HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD

Hydraulic control system under variable load piling working condition

The invention relates to the technical field of engineering machinery control, and discloses a hydraulic control system under a variable load piling working condition, which comprises a multi-dimensional state acquisition module, a fluid parameter observation module, a signal reconstruction decoupling module, a virtual impedance mapping module and a fluid phase locking control module. The acquisition module acquires a basic physical state; the observation module solves the effective volume elastic modulus of the hydraulic oil based on a fluid continuity equation; the reconstruction module utilizes the modulus to correct signal lag, reconstructs external load force through an inverse dynamic model and decouples environmental acoustic impedance; the mapping module dynamically generates a target mechanical impedance parameter according to the environment impedance; and the control module calculates an ideal instruction based on the target parameter, corrects the gain by utilizing the fluid modulus and locks the rebound peak phase to adjust the action time sequence of the valve core. Control distortion caused by fluid parameter drift is solved, active flexible adaptation to variable load geology is achieved, energy hedging is avoided, and operation efficiency is improved.
Owner:HARBIN NORTHERN DEFENSE EQUIP CO LTD

Construction machine

This construction machine is provided with: a flow rate control valve as a hydraulic device that adjusts the flow rate supplied to a hydraulic cylinder that drives a work device; and a control device that controls the hydraulic cylinder so as to satisfy the condition that the work tool moves without exceeding the target surface. The control device calculates a target speed of the hydraulic cylinder at which the work tool satisfies the condition on the basis of information on the target surface and detection information from a detection device that detects the orientation of the work device, and controls the work tool when the target value of the hydraulic device corresponding to the calculated target speed is less than a lower limit value at which the accuracy of flow control can be ensured. On the basis of the limited speed of the hydraulic cylinder obtained from the lower limit value, a target speed of the hydraulic cylinder at which the work tool satisfies the condition is re-calculated, and the hydraulic device is controlled by a target value corresponding to the re-calculated target speed.
Owner:HITACHI CONSTRUCTION MACHINERY CO LTD

A machining structure and device for a ring gear of a construction engineering machine

The application relates to the technical field of gear ring milling processing, and discloses a construction engineering machinery gear ring processing structure and device, which comprises a clamping assembly, a gear ring to be processed is fixed and displaced through the clamping assembly, and a milling assembly for processing the gear ring is arranged above the clamping assembly; the milling assembly comprises a milling cutter mounting assembly and an output assembly arranged on the milling cutter mounting assembly. The application has the following advantages and effects: the milling cutter to be used can be pre-installed, so that after the gear ring is clamped daily, the matched milling cutter can move to the matched milling station under the adjustment of the adjusting assembly and be prepared, two milling cutters are switched quickly, the downtime is reduced, the processing efficiency is improved in an automatic mode, the structure is matched with the working environment in various existing gear ring processing modes, the installation mode is simple and fast, and excessive installation matching structures need not be additionally customized, the cost of installation and use is saved, and the applicability is high.
Owner:HUBEI QIANJIANG CONSTR ENG CO LTD

Power system and engineering machinery

The utility model provides a power system and engineering machinery. The power system and the engineering machinery comprise a driving motor, a gearbox, a loading system and a traveling system, the loading system comprises a first system, a second system and a third system; wherein the driving motor is connected with the gearbox; a power take-off port of the gearbox is connected with a first system, a second system and a third system in the loading system so as to transmit power transmitted by the driving motor to the first system, the second system and the third system; the gearbox is connected with the traveling system in a direct drive mode so as to transmit power transmitted by the driving motor to the traveling system. According to the power system and the engineering machine, switching between loading operation and running can be directly conducted through the gearbox, a transmission link is shortened, and the effect of improving the transmission efficiency of the engineering machine in the power switching process is achieved.
Owner:SANY AUTOMOBILE MFG CO LTD

Rail-changing high-low joint milling device

The utility model provides a milling device for a rail-changing high-low joint, which belongs to the technical field of railway engineering machinery and comprises a main frame, an inclination adjusting mechanism, a milling mechanism, a control mechanism, a milling mechanism and a milling mechanism, wherein the inclination adjusting mechanism is arranged on the main frame and is used for adjusting the inclination of the main frame to carry out downslope milling operation; the rail clamping mechanism is used for clamping and positioning the steel rail so as to mill; the machining unit is used for milling the joint of the steel rail; and the guide unit is used for guiding the machining unit to move along the downslope track so as to carry out downslope milling. A cutter forming face of the machining unit is matched with a steel rail working face, a rail top and a steel rail non-working face. The utility model effectively solves the problems of high labor intensity and poor precision of on-site new and old rail height difference down slope grinding, can realize down slope transition milling operation in a sufficient range, meets the requirement that the high gradient is less than 0.1%, and has the advantages of high joint processing efficiency, good quality and the like.
Owner:金鹰重型工程机械股份有限公司

Component fixing device for engineering machinery processing

ActiveCN224088832Ureduce limitationsSituations that affect processing resultsWork holdersWork benchesMachine partsMachine
The utility model provides a part fixing device for engineering machinery machining, and belongs to the technical field of engineering machinery. The machining platform is fixed to the top of the base and used for placing parts for engineering machinery machining; two fixed seats are symmetrically arranged and are fixed at the bottom of the base; the rotating rod is rotationally arranged on the inner walls of the two fixed seats; the clamping and fixing mechanism is arranged on the base, is matched with the rotating rod for use, and is used for replacing and adjusting the clamping plate according to different shapes of engineering machinery processing parts; and the dismounting component is arranged on the base, is connected with the clamping and fixing mechanism and is used for conveniently replacing the abraded clamping plate. According to the clamping device, the clamping plates making contact with the parts for engineering machinery machining for a long time can be conveniently detached and replaced, the shapes of the clamping plates can be matched and replaced according to the parts for engineering machinery machining of different shapes and specifications, and the overall limitation of the device is effectively reduced.
Owner:WUXI SHENGHUI MFG CO LTD

An assembled oil cylinder support, telescopic variable rail chassis and engineering machinery

This utility model discloses an assembled hydraulic cylinder support, a telescopic guide rail chassis, and engineering machinery, including a base, a pin, transition sleeves, and clamping components. The base consists of a base plate and two oppositely arranged side plates, each with a corresponding slot facing outwards. The pin passes through the two slots of the support and is hinged to a lug on the hydraulic cylinder. The transition sleeves are respectively installed in the slots of the two side plates, with the two axial ends of the pin inserted into the corresponding transition sleeves, axially limiting the pin. The clamping components are respectively arranged on the top surfaces of the two side plates and are used to fix the transition sleeves in the slots. When the hydraulic cylinder is working, the mating surface between the support and the pin has a half-circle arc, resulting in a larger mating surface that can adapt to multi-angle forces on the hydraulic cylinder, making it highly adaptable. The support can be made smaller and more compact, and can be adapted to smaller cavity chassis.
Owner:XCMG EXCAVATOR MACHINERY CO LTD +2

Radial tire for engineering machinery

The utility model discloses a radial tire for engineering machinery, which relates to the field of tire design and comprises a tire tread, a linear pattern wall and a U-shaped pattern wall are fixedly mounted on the periphery of the tire tread, a first reinforcing rib is fixedly mounted between the linear pattern wall and the U-shaped pattern wall, and a second reinforcing rib is fixedly mounted between the linear pattern wall and the U-shaped pattern wall. Side pattern walls are fixedly mounted on the periphery of the tire tread and located on the front side and the rear side of the linear pattern wall, shoulder pattern walls are fixedly mounted on the periphery of the tire tread and located on the front side and the rear side of the side pattern walls, and shoulder grooves are formed in the surfaces of the shoulder pattern walls. The height of the first reinforcing ribs is reasonably arranged, the connecting strength between the pattern walls is enhanced, the overall tear resistance is improved, the second reinforcing ribs are matched, the overall rigidity of the tire is remarkably enhanced, the performance of the tire is improved, and the service life of the tire is prolonged.
Owner:JILIN LINGLONG TYRE CO LTD

Brake hydraulic system and engineering machinery

The invention belongs to the technical field of engineering machinery, and discloses a brake hydraulic system and engineering machinery. According to the brake hydraulic system, service braking is adopted, reliable braking force can be provided, the two service brake valves and the electric proportional brake valve are connected in parallel, the path with the largest oil pressure is supplied to the service brake oil cylinder after judgment is conducted through the first shuttle valve and the second shuttle valve, and the service brake oil cylinder is connected with the electric proportional brake valve. Automatic signals and active operation of a driver can be perfectly coordinated, conflicts are avoided, and the system is simple and high in reliability.
Owner:LIUZHOU LIUGONG FORKELEVATOR +2

Electric control handle (GJ026 left)

1. Name of the designed product: electric control handle (GJ026 left). 2. Use of the designed product: electric control handle for engineering machinery product. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: perspective view 1.
Owner:LUOYANG GUANJIE PUSH PULL CABLE CONTROLLER

Tensioning device, air conditioner compressor transmission system and engineering machinery

The utility model discloses a tensioning device, an air conditioner compressor transmission system and engineering machinery, the upper part of a rotating bracket is hinged with the upper part of a fixed bracket, and the rotating bracket can rotate around a hinge point; the right-hand thread knuckle bearing connecting rod comprises a rod part and a bearing part, and the bearing part is hinged to the lower end of the rotating support. The left-hand thread knuckle bearing connecting rod comprises a rod part and a bearing part, and the bearing part is hinged to the lower end of the fixing support; one end of the positive and negative thread adjusting long nut is in threaded connection with the rod part of the positive thread joint bearing connecting rod, the other end of the positive and negative thread adjusting long nut is in threaded connection with the rod part of the negative thread joint bearing connecting rod, and the positive and negative thread adjusting long nut is rotated in the positive or negative direction to enable the positive and negative thread joint bearing connecting rods to move in the opposite direction or back direction; and then the rotary support is driven to rotate towards or away from the fixed support, and the problem that the tensioning efficiency is low is solved.
Owner:XUZHOU XCMG MINING MACHINERY CO LTD

Gearbox

1. Name of the product in this design: Gearbox. 2. Application of this design: for use in gearboxes for engineering machinery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:NANJING HIGH SPEED GEAR MFG

Bolt-grouting device and bolt-grouting equipment for pushing and grouting anchor rod

The invention discloses a bolting-grouting device and bolting-grouting equipment for pushing and grouting an anchor rod, and relates to the technical field of tunnel engineering machinery. The radial slurry discharge hole I is formed in the guide pipe, the radial slurry discharge hole II is formed in the nut loop bar, the butter slurry blocking assembly I is arranged on the nut loop bar at the tail end of the guide pipe, the butter slurry blocking assembly II is arranged on the anchor rod loop bar at the tail end of the nut loop bar, and when the butter slurry blocking assembly II fails, an axial slurry discharge hole is formed in the failure part; slurry in a gap between the nut sleeve rod and the anchor rod sleeve rod is discharged from the axial slurry discharge hole; an independent slurry discharging cavity is formed in the gear box, and the grease slurry blocking assembly II is located in the slurry discharging cavity. A quadruple slurry return prevention system of radial active slurry discharge, axial passive plugging, axial passive slurry discharge and gear box slurry discharge is adopted, and the problems that according to an existing bolting and grouting device, due to the fact that cement slurry flows back and infiltrates into a gear box, work of the gear box is affected, and gears are corroded and damaged are solved.
Owner:SICHUAN LANHAI ENG EQUIP MFG CO LTD

Method and arrangement for carrying out construction measures

The invention relates to a method and an arrangement for carrying out construction measures, in particular foundation engineering measures, on a construction site with a number n of construction machines, in particular foundation engineering machines, on which attachment components, in particular construction tools, are fixed in a releasable and changing manner, wherein a number N of attachment components are kept on the construction site, wherein N>n>2. Provision is made in that in a computer unit the number n and the type of construction machines and the number N and the type of attachment components present on a construction site are saved, in that the computer unit has a data connection to the individual construction machines and queries information on the actuators of the individual construction machines, in that depending on the information received the computer unit ascertains which attachment component is fixed on the individual construction machine, and in that the computer unit ascertains and indicates which attachment components are freely available on the construction site.
Owner:BAUER SPEZIALTIEFBAU GMBH

Control device for construction machine and construction machine including the same

To provide a control device for a construction machine capable of stopping an actuator while suppressing the occurrence of a shock during neutral operation, and a construction machine equipped with the same.SOLUTION: The control device 100A includes the operation lever 41, the boom cylinder 20, the boom control valve 12, the first and second proportional valves 121, 122, and the controller 50. In the boom control valve 12, the meter-in opening for supplying the hydraulic oil to the boom cylinder 20 is set to be closed earlier than the meter-out opening for receiving the hydraulic oil from the boom cylinder 20 at the time of the stop operation. When the operation lever 41 receives a stop operation for stopping the boom 4, the control unit 50 inputs a command signal to the proportional valve while generating a delay in the command signal with respect to the operation amount of the stop operation.SELECTED DRAWING: Figure 3
Owner:KOBELCO CONSTR MASCH CO LTD

Electro-hydraulic composite drive engineering machinery slewing system and control method thereof

ActiveCN122058981BElectric machineCoupling
The application provides an electro-hydraulic composite driving engineering machinery rotating system and a control method thereof, and relates to the technical field of engineering machinery.The rotating system comprises a loading motor pump, an oil supplement motor pump, a safety overflow valve group, a first / second accumulator control valve, an accumulator, a four-quadrant pump / motor, a clutch, a series motor and a controller.The control method collects multiple source operation signals, identifies the whole machine working condition by using an LSTM-Transformer hybrid model, and distributes the series motor and the hydraulic driving torque according to the working condition, so as to control the action of each executing element.The application can realize the accurate capture and reuse of the rotating braking energy by using the electro-hydraulic deep coupling architecture and the intelligent control strategy, significantly improves the system energy efficiency and prolongs the endurance time.In addition, the application of deep learning improves the scientific nature of power distribution, and guarantees the stability, reliability and operation smoothness of the system operation under complex working conditions.
Owner:HUAQIAO UNIVERSITY

Underframe supporting mechanism for engineering machinery

The utility model relates to the technical field of mechanical supporting mechanisms, and discloses a chassis supporting mechanism for engineering machinery, which comprises a chassis, a base fixedly connected to the top surface of the chassis, a C-shaped frame fixedly connected to the top surface of the base, a vertical shaft rotatably connected to the inside of the C-shaped frame, and a worm wheel and a cross arm fixedly connected to the outer surface of the vertical shaft, a worm is rotationally connected into the C-shaped frame, a transmission rod is fixedly connected to one end of the worm, and a transverse shaft is rotationally connected to the inner wall of the transverse arm. Through cooperative operation of the driving motor, the synchronous wheel, the synchronous belt, the worm, the worm gear and other components, the transverse arm can be conveniently unfolded, the supporting pad and other components are driven to move out from the upper portion of the bottom frame, the supporting plate, the supporting pad and the like are erected and make contact with the ground through the hydraulic cylinder, supporting and fixing of the bottom frame are rapidly achieved, the mechanical structure is reasonable in design, and operation is convenient. The operation process is simple and efficient, the unfolding and folding efficiency of the supporting mechanism can be effectively improved, and installation and use of engineering machinery are facilitated.
Owner:ANHUI HEKUANG MACHINERY

Construction machine

The invention provides an engineering machine. The engineering machine comprises a main machine, at least two different types of accessories and a hydraulic system. The host comprises a first communication interface and a controller; the at least two different types of accessories are detachably arranged on the host, and each accessory is provided with a sensing element and a second communication interface; the hydraulic system is used for providing hydraulic oil for the accessories. Under the condition that the accessory is assembled to the host, the second communication interface is in communication connection with the first communication interface, and the controller of the host is configured to receive a sensing signal which is obtained by the first communication interface and comes from the sensing element; determining an accessory type of an accessory currently assembled on the host based on the sensing signal; and according to the accessory type, the hydraulic system is controlled to be switched to a control mode corresponding to the accessory type.
Owner:YULIN POWER SUPPLY BUREAU OF GUANGXI POWER GRID CO LTD +1

Construction machine

This construction machine includes a blade and a manipulating lever. The blade is provided to a machine body. The blade is configured such that a plurality of operations are possible. The manipulating lever manipulates the blade. The manipulating lever is configured so as to be able to control each of the plurality of operations by a different manipulation. The manipulating lever is preferably configured so as to be able to manipulate each of the plurality of operations in the same direction.
Owner:YANMAR HLDG CO LTD

Design task dynamic generation and execution method and system driven by unified parameter coding

The invention relates to a parameter unified coding driven design task dynamic generation and execution method and system, and belongs to the technical field of engineering machinery product design digitization. A parameter list of a parameter editing interface is edited on an active template page, so that the design requirement of a current task can be met; dynamic configuration of the parameter editing interface is convenient and flexible; and then assignment calculation can be performed on the edited parameter list in combination with the latest business data on the activity task page, and the task information and the business data of each parameter in the parameter list are determined based on the pre-allocated coding information, so that the traceability and the accuracy are high; maintenance and troubleshooting are convenient, and data collaborative updating between upstream and downstream tasks can be automatically achieved.
Owner:JIANGSU XCMG STATE KEY LAB TECH CO LTD

High-stability slewing bearing

The utility model discloses a high-stability slewing bearing, and belongs to the technical field of engineering mechanical devices. The slewing bearing comprises a slewing bearing body and a spacer ring, the slewing bearing body is provided with a slewing bearing inner ring, an installation groove is formed in the slewing bearing inner ring, the spacer ring is installed in the middle of the installation groove, a circle of oil distribution holes are formed in the spacer ring, an oil injection groove and a circle of oil outlet groove are formed in the slewing bearing inner ring, and the oil injection groove and the oil outlet groove are located on the two sides of the spacer ring. Lubricating oil is dispersed through the oil guide grooves and the distance rings, the number of the oil nozzles is reduced to one, the structural design of the slewing bearing is greatly simplified, manufacturing complexity is lowered, later installation, maintenance and replacement are facilitated, the problem that oil injection is uneven or omission possibly occurs in a traditional multi-oil-nozzle design is solved, and the service life of the slewing bearing is prolonged. And therefore, the lubricating efficiency is improved, all parts of the bearing are fully lubricated, and the service life is prolonged.
Owner:JIANGSU MANCHEN TRANSMISSION TECH CO LTD