Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

32results about How to "Reduce derailment" patented technology

Assembled tie for shield construction and construction method thereof

The invention relates to an assembled tie for shield construction and a construction method thereof, belonging to the technical field of tie pavement in shield construction. The assembled tie is formed by splicing two trolley ties and a slag car tie; the baseplate of the assembled tie is cambered; and the existing joist steel ties are replaced by a cambered right-angled triangle plate and a trapezoidal plate. The assembled tie has the advantage of light weight and the like, is easy to stack, and can protect shielded duct pieces. In the construction process, the trolley ties at the back of the trolleys, which are not used any more, are continuously disassembled, thus improving the use ratio of construction members and effectively reducing the construction cost. The assembled tie and the construction method thereof can be widely applied to installing mechanical ties in the process of the shield construction.
Owner:CHINA CONSTR COMM ENG GRP UNITED +1

Derailment-preventing train connection device

The invention relates to a transportation tool, and discloses a derailment-preventing train connection device. The derailment-preventing train connection device comprises a pair of sleeper rods distributed from front to back, and a pair of connecting oil cylinders distributed from left to right, wherein the sleeper rods are connected together just through the connecting oil cylinders. The connecting oil cylinders comprise cylinder bodies, pistons located in the cylinder bodies and connecting rods connected with the pistons. The cylinder bodies and the connecting rods are respectively and movably connected with one of the sleeper rods. The pistons divide the cylinder bodies into front oil cavities and rear oil cavities, the front oil cavities of the connecting oil cylinders are communicated through a front oil pipe, and the rear oil cavities of the connecting oil cylinders are communicated through a rear oil pipe. The left-right traction force of the derailment-preventing train connection device can be automatically adjusted to be balanced, and the problem that due to the fact that the left-right traction force of an existing train connection device can not keep balanced automatically, the existing train connection device shakes seriously and even derails in the turning process is solved.
Owner:ZHEJIANG OCEAN UNIV

Seismic monitoring and alarming system used for rail transit

InactiveCN107369299ARealize redundant judgmentGuarantee authenticityAlarmsMonitoring siteSeismic protection
The invention discloses a seismic monitoring and alarming system used for the rail transit and belongs to the seismic protection and control systems. The system comprises a seismic monitoring site, a linkage control center and a monitoring center. At least one monitoring space is arranged in the seismic monitoring site. At least two strong-motion seismographs are installed in each monitoring space. The strong-motion seismographs are connected with linkage logic processing devices. A monitoring space is arranged in the linkage control center. The linkage logic processing devices are installed in the monitoring space. According to the invention, through the structures of the seismic monitoring site, the linkage control center and the monitoring center in the system, redundancy judgment can be performed on P-waves or S-waves in a seismic source; safety of seismic alarming judgment is ensured; seismic warning information can be given out as early as possible when the seismic occurs; a train which runs at the high speed is allowed to timely reduce speed and stop before the seismic occurs; the possibility of train derailment and overturning is reduced; life safety of passengers is ensured; accurate and timely after-seismic information is provided for superior command systems; and favorable conditions are created for disaster relief work.
Owner:四川雷盾科技有限公司

Transformer substation inspection robot repositioning system based on Beidou system and method thereof

The invention discloses a transformer substation inspection robot repositioning system based on a Beidou system and a method thereof. The system and the method thereof achieve the multidirectional extraction of environment features through a plurality of sensor technologies, and achieve the improvement of the cruising precision, cruising safety and cruising efficiency of a robot body through combining the technologies of environment target recognition and cruising environment comprehensive analysis and judgment. The system is technically characterized by comprising an inspection robot and a repositioning system, information collected by a plurality of monitoring devices in the repositioning system is fused to judge whether deviation exists in the travel path of the inspection robot or not,the environmental adaptability in an open type transformer substation is improved, and when serious accidents happen, for example, the robot is stolen or seriously deviates from the track due to a machine fault, the robot can be timely positioned and responded through the Beidou system, and a corresponding alarm is generated or the travel path track of the inspection robot is re-planned.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +1

Shoe for a cable transportation system with at least one carrying cable

PendingCN107487587AAvoid or at least reduce derailmentReduce derailmentConveyorsRope railwaysEngineeringMechanical engineering
The invention relates to a shoe (1) for a cable transportation system (3) with at least one carrying cable (2) and one traction cable (4) and relates to a cable transportation system, the shoe (1) comprises a seat (7) for housing at least a portion of the carrying cable (2); and a cover (12) closing above at least a section (9) of the seat (7) for forming a closed section (9).
Owner:LEITNER SPA VIPITENO

Train anti-derailing device capable of dynamically monitoring track state

The invention discloses a train anti-derailing device capable of dynamically monitoring a track state. The device comprises a track and a chassis mechanism, wherein the bottom end of the chassis mechanism is fixedly connected with wheel mechanisms, the left side and the right side of the bottom end of the chassis mechanism are symmetrically and fixedly connected with brackets matched with the wheel mechanisms, the side walls of inner cavities of the brackets are fixedly connected with laser displacement sensors matched with the wheel mechanisms and laser contour sensors matched with the wheelmechanisms, a control device is fixedly installed in the middle of the bottom end of the chassis mechanism, and stabilizing mechanisms are arranged on the left side and the right side of the bottom end of the chassis mechanism. According to the device, the laser displacement sensors and the laser contour sensors dynamically detect the track along with travelling of a whole train, then the controldevice extends a first telescopic rod out through an electric telescopic device, and then presses an upper top wheel and a side top wheel on the track, external stress points between the whole train and the track are increased, the stability between the whole train and the track is increased, so that the whole train is guaranteed to operate stably or park smoothly.
Owner:江苏振光电力设备制造有限公司

Oil-quenching air-cooling vacuum furnace

The invention relates to an oil-quenching air-cooling vacuum furnace, which comprises a body of furnace, a conveying mechanism of workpieces, a vacuum system, an oil-quenching processing system, a cooling system and an electric control system. The conveying mechanism comprises a device for horizontally conveying workpieces and a device for vertically lifting workpieces, wherein the conveying device comprises double slide tracks for conveying workpieces which are arranged in the body of furnace, a trammer for workpieces which is cooperated with double slide tracks and a track support used for supporting the double slide tracks and fixed in the furnace. The double slide tracks are used for minimizing the phenomenon of shaking or derailing of workpieces, so that the workpieces can be sent to a processing zone or moved out of the furnace body steadily, in addition, by the cooperation of worm gear with a first worm and a second worm, a screw which is cooperated with a workpiece platform is provided on the second worm, the rotation of the screw drives the platform to move along the screw length direction up and down to realize the vertical lifting of the workpieces. The structure is simple and the operation is convenient.
Owner:太仓市华瑞真空炉业有限公司

Self-balancing reverse locking wheel structure of suspension basket

The invention discloses a self-balancing reverse locking wheel structure of a suspension basket. The structure includes reverse locking wheels (1), reverse locking wheel connection boards (4), reverse locking wheel pins (2), reverse locking wheel hanging boards (3), a distribution beam (5), reverse locking wheel hanging board pin rolls (6), a distribution beam hanging board (7), a distribution beam hanging board pin (8), hanging basket rear anchor hanging boards (9) and a hanging basket rear anchor pin (10). The reverse locking wheels (1) are connected with the reverse locking wheel connection boards (4) through the reverse locking wheel pins (2). The reverse locking wheel hanging boards (3) are welded between the two reverse locking wheel connection boards (4). The reverse locking wheel hanging boards (3) are connected with the distribution beam (5) through the reverse locking wheel hanging board pin rolls (6). The distribution beam hanging board (7) is connected with the distribution beam through the distribution beam hanging board pin (8). The distribution beam hanging board (7) is welded with the two hanging basket rear anchor hanging boards (9). The hanging basket rear anchor hanging boards (9) are connected with a hanging basket lower level rod through the hanging basket rear anchor pin (10). The hanging basket is stable and quick in movement, so that the construction efficiency can be improved effectively. The hanging basket self-balancing capability is good when meeting conditions with railway joints or out-sync movement and the like, so that hanging basket derailing and capsizing risks are reduced substantially.
Owner:CHINA RAILWAY NO 5 ENG GRP +1

Trajectory deviation rectification method and device and automatic driving guide vehicle

The invention discloses a trajectory deviation rectification method and device and an automatic driving guide vehicle. The trajectory deviation rectification method comprises the steps: when it is detected that an autonomous guide vehicle is in a deviation route state, determining the driving wheel speed and the driving wheel center distance value of the vehicle; based on the driving wheel speed and the driving wheel center distance value, determining a trajectory deviation rectification parameter; and controlling the autonomous guide vehicle to perform deviation rectification operation according to the trajectory deviation rectification parameter so as to return to a preset trajectory route. According to the invention, the technical problem that in the prior art, wheels of an automatic guided vehicle are prone to slipping in the navigation process, and derailment of the vehicle is prone to being caused is solved.
Owner:ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1

Design movable display stand

The invention discloses a design movable display stand and belongs to the field of commodity display equipment. The design movable display stand comprises arched bases, wherein two groups of arched bases are set; each group comprises two symmetrical arched bases; upper and lower end faces of each arched base are parallel; when four arched bases are folded, the top end faces thereof are exactly spliced into a complete round surface; a universal wheel is mounted at the bottom end of each arched base; inclined notches are set on inner side faces of the two groups of arched bases; drive motors arefixed in the notches on a group of arched bases; a threaded rod is fixed on the top end of each drive motor; an inclination angle of each threaded rod is equal to that of the notch at the corresponding side; and bases are in threaded sleeving on the two threaded rods. According to the design movable display stand, through work of the drive motors, the bases in threaded matching with the threadedrods are driven to lift up and down, and the four arched bases are stretched through up and down lifting of the bases, so the display stand is used flexibly.
Owner:江西环境工程职业学院

Automatic door derail-preventing rail

The invention discloses an automatic door derail-preventing rail. The automatic door derail-preventing rail comprises an upper rail, a lower rail and a storage frame. The upper rail and the storage frame are fixedly connected through rivets, and the lower rail and the storage frame are fixedly connected through rivets. A lengthened protective plate is connected with the lower end face of the upperrail in a riveting mode, and first channel steel and second channel steel are welded inside the storage frame in sequence from top to bottom. According to the automatic door derail-preventing rail, due to the fact that a falling-preventing arc-shaped face, auxiliary rails and steel tooth grooves are arranged and mutually embedded, the area of contact between the falling-preventing arc-shaped faceand an inner groove of a sliding block is increased through the arc-shaped face, widened chamfers prevent the sliding block from being inclined, the chamfers cooperate with protrusions of the slidingblock to enable the sliding block to move in sliding grooves, and the phenomenon that the position of the sliding block on a guide rail deviates is avoided on the premise that the movement speed is not affected. Due to the fact that the steel tooth grooves and springs are arranged, the purpose of fixing is achieved, the shock in the contact process is reduced, and the automatic door derail-preventing rail is firmer, is suitable for different working conditions and has the better application prospect.
Owner:安徽晶鹏智能装备科技有限公司

Sleeper damping, derailment-preventing and segment-damage-preventing device for shield underground transportation system

The invention relates to a sleeper damping, derailment-preventing and segment-damage-preventing device for a shield underground transportation system, and belongs to the technical field of shield equipment. Profile steel is arranged to serve as a sleeper, steel rails matched with a transport vehicle serves as rails, and the steel rails and the sleeper are connected in a pressing plate mode and fastened through bolts. According to the invention, the contact surface of the sleepers and a shield segment is designed into an arc with the same radius as the inner side structure of the segment, the profile steel serving as the sleeper is designed into a groove type, a rail determinator is cancelled, and damping rubber plates are additionally arranged among the sleeper, the shield segment and thesteel rails, the damping rubber plates and the sleeper are fixed through bolts, so that during shield construction, vibration and noise generated by the underground transportation system are effectively reduced and controlled, the segment is protected, the derailment phenomenon caused by the fact that wheels dynamically impact the steel rails to vibrate is reduced, the track mounting effect is improved, manpower, material resources and financial resources are saved, and the construction progress is accelerated.
Owner:河北冀科工程项目管理有限公司

Tensioning device for tracked vehicle

PendingCN114132402AReduce chance of derailmentEasy to operateEndless track vehiclesChassis
The invention discloses a tensioning device for a tracked vehicle, comprising an outer sleeve rod which is fixedly mounted on a chassis and is used for providing support; the inner sleeve rod is mounted in the outer sleeve rod in a sliding manner, and a mounting bracket is arranged at the end part of the inner sleeve rod; the tensioning wheel is rotationally arranged on the mounting bracket; the threaded seat is slidably mounted in the outer sleeve rod and used for pushing the inner sleeve rod to slide in the outer sleeve rod; the tensioning lead screw is installed in the outer sleeve rod in a penetrating mode, and a round hole matched with the tensioning lead screw is formed in the outer sleeve rod. The crawler belt tensioning device has the beneficial effects that the structural design that the inner sleeve rod is matched with the outer sleeve rod is adopted, the tensioning lead screw is rotated to be matched with the threaded base, then the inner sleeve rod is driven to move in the outer sleeve rod, the tensioning wheel is pushed to abut against the interior of the crawler belt to be supported, it is ensured that the crawler belt is safe and reliable in the transmission process, the derailing probability is reduced, operation is easy and convenient, and the practicability is high. The adjusting difficulty is low, and the durability is good.
Owner:HUNAN NONGFU ELECTROMECHANICAL

Guiding support device and road-rail tractor

The invention provides a guiding support device and a road-rail tractor. The guiding support device comprises a guide pulley assembly and a support cylinder, wherein the guide pulley assembly comprises a wheel axle and guide pulleys arranged at the two ends of the wheel axle; the guiding support device also comprises a linkage mechanism, the two ends of the linkage mechanism are respectively hinged with the guide pulleys arranged at the two ends of the wheel axle, and the linkage mechanism is used for transmitting a force parallel to the direction of the wheel axle, so that the guide pulleys arranged at the two ends of the wheel axle make a turn in a same direction. After the linkage mechanism is arranged, the guide pulleys arranged at the two ends of the wheel axle do not move in an inwards-splayed or outwards-splayed motion form, and just can move in a parallel motion form, in such a way, the running resistance of a vehicle in the process of running is greatly reduced, and the occurrence probability of a derailment phenomenon is reduced, thereby improving the driving safety.
Owner:CRRC QIQIHAR ROLLING CO LTD

Length-adjustable automatic feeding equipment

PendingCN110036933AAchieve the purpose of sprinklingHigh speedAnimal feeding devicesReciprocating motionEngineering
The invention provides length-adjustable automatic feeding equipment, which comprises a plurality of conveying units connected with one another. Each conveying unit comprises a conveying-belt conveyor, a conveying belt, a sliding plough, a steel wire rope, a head portion and a tail portion, wherein the head portion is internally provided with a first driving unit and a second driving unit, the first driving unit is used for driving the conveying belt used for feed conveying, and the second driving unit is used for driving the steel wire rope which is connected with the sliding plough; the sliding plough is used for pulling down feed from the conveying belt and can be driven by the second driving unit to reciprocate in a parallel direction above an operating direction of the conveying beltto pull down the feed on the conveying belt. Lengths of the conveying units which are modularized can be determined according to requirements of users and can be 150m maximally. The length-adjustableautomatic feeding equipment is capable of adapting to different scales of pastures or farms, and a great quantity of manpower and material resources are saved.
Owner:BEIJING KINGPENG HUSBANDRY TECH

Anti-derailment train connection device

The present invention relates to vehicles. A train connection device for preventing derailment, comprising a pair of tie rods distributed along the front and rear directions and a pair of connecting oil cylinders distributed along the left and right directions, the pair of tie rods are only connected together by the pair of connecting oil cylinders, the The connecting oil cylinder includes a cylinder body, a piston located in the cylinder body and a connecting rod connected with the piston, and the cylinder body and the connecting rod are each movably connected with one of the pair of pillow rods, so that The piston divides the cylinder body into a front oil chamber and a rear oil chamber, the front oil chambers of the pair of connected oil cylinders are connected through the front oil pipe, and the rear oil chambers of the pair of connected oil cylinders are connected through the rear oil pipe. The present invention provides an anti-derailment train connection device that can automatically adjust the balance of the left and right traction forces, which solves the problem that the existing train connection devices cause severe shaking and even derailment when turning because the left and right traction forces cannot automatically maintain balance. .
Owner:ZHEJIANG OCEAN UNIV

Urban rail train transportation method

The invention provides an urban railway train transporting method and relates to the technical field of railway vehicle railway transportation. According to the method, a full-length detachable flexible train pipe is installed in a room of a transported urban railway train, train pipes of two service vehicles coupled to the front side and the rear side of the urban railway train are connected together, and synchronous braking control over the front service vehicle and the rear service vehicle in the transporting process is achieved; and an automatic pneumatic / electrical braking command conversion device is installed in the front service vehicle and connected with the train pipe of the front service vehicle together through a pipeline, an electrical braking command output by the automatic pneumatic / electrical braking command conversion device is connected with a braking command line of the transported urban railway train, so that it is guaranteed that the whole train can be synchronously braked and released from control in the transporting process, and the requirement for train safe transportation is met. By the adoption of the method, urban railway train manufacturing cost is reduced, braking control response time of the grouped train including locomotives is shortened, the braking synchronization of the grouped train is improved, transporting safety is improved, and the operation and living environment of operators is improved.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Stainless steel glass sliding door

The invention discloses a stainless steel glass sliding door, which comprises a guide rail box installed on a building wall, the bottom of the guide rail box is bent to form a bending part, a guide rail is installed on the bending part, and the main body of the glass sliding door is installed in the guide rail box. A hanging plate is fixed on the top of the main body of the glass sliding door, and the bottom of the hanging plate is movably fitted with a buffer assembly. The buffer assembly includes a plurality of buffer plates. A sliding cavity is arranged throughout, and the main body of the glass sliding door passes through the buffer plate through the sliding cavity, and the buffer plate is slidably installed on both sides of the main body of the glass sliding door. The sliding door of the present invention is provided with a buffer assembly at the guide rail at the top, so that it has a good buffering capacity during use, so that the guide rail and the door body are always pressed tightly, increasing the anti-loosening ability, and when the door body is loose After being taken off, the buffer component can be used to wrap the entire glass sliding door body to protect the door body.
Owner:义乌市铂川建筑工程有限公司

Circuit breaker

The invention relates to a circuit breaker. The circuit breaker comprises a first circuit breaker and a second circuit breaker which are arranged up and down, wherein the first circuit breaker and thesecond circuit breaker are connected in parallel; the outer sides of the first circuit breaker and the second circuit breaker are sleeved with a shell; a transmission mechanism is arranged between the first circuit breaker and the second circuit breaker; a first switch of the first circuit breaker is connected with the transmission mechanism; the transmission mechanism comprises a movable plate,and a first rack and a second rack which are slidably connected to the side wall of the shell; the top ends of the first rack and the second rack are connected with the bottom of the movable plate; afirst gear matched with the first rack is arranged on the shell; a second gear matched with the second rack is arranged on the shell; the first gear and the second gear are connected through a transmission rack; and the bottom end of the transmission rack is connected with a second switch of the second circuit breaker through rubber strips. The second circuit breaker is used for replacing the first circuit breaker to continue to work, and normal operation is not affected.
Owner:深圳市瑞智电力股份有限公司

An intelligent cleaning system for coal-water separation in water bunkers

The invention discloses an intelligent cleaning system for water sump coal and water separation and belongs to the technical field of coal mine mechanical equipment. The intelligent cleaning system comprises a crane system, a dredging pump, a stirrer, a mud pipeline, a liquid level sensor, an electric control box and a back end processing system. The crane system is suspended above the water levelof an underground water sump through a rail sling, the dredging pump and the stirrer are arranged at the bottom of the crane system, and the crane system drives the dredging pump and the stirrer to move in the up-down direction, left-right direction and front-back direction in the water sump. The dredging pump communicates with the back end processing system located outside the water sump throughthe mud pipeline, and the back end processing system is used for conducting dry and wet separation on coal slurry which is conveyed out and then conveying the coal slurry. The liquid level sensor isarranged on the inner wall of a water retaining dam of the water sump, the liquid level sensor transmits a liquid level signal to a control system in the electric control box, and the control system controls automatic running of the intelligent cleaning system. By means of the intelligent cleaning system for water sump coal and water separation, manual work can be replaced for conducting dredgingon the underground coal mine main water sump, and the automation level and intelligence level of the dredging work are improved.
Owner:河南海光兰骏矿山技术有限公司

Optical disc reproducing apparatus

An objective lens is raised from below upwards with a DVD laser diode turned on and levels of detection signals A, B, C, and D from a four segment photodetector are acquired and stored in a RAM. A ratio (A+D) / (B+C) in a direction of the X-axis is then calculated. When the ratio exceeds a predetermined value, a lens shift correction amount is calculated for the calculated ratio based on a correction table. The objective lens is then shifted in the direction of the X-axis in accordance with the calculated lens shift correction amount. These processes are executed before a series of processes required for achieving a focus-on state.
Owner:FUNAI ELECTRIC CO LTD

A design mobile display stand

The invention discloses a design movable display stand and belongs to the field of commodity display equipment. The design movable display stand comprises arched bases, wherein two groups of arched bases are set; each group comprises two symmetrical arched bases; upper and lower end faces of each arched base are parallel; when four arched bases are folded, the top end faces thereof are exactly spliced into a complete round surface; a universal wheel is mounted at the bottom end of each arched base; inclined notches are set on inner side faces of the two groups of arched bases; drive motors arefixed in the notches on a group of arched bases; a threaded rod is fixed on the top end of each drive motor; an inclination angle of each threaded rod is equal to that of the notch at the corresponding side; and bases are in threaded sleeving on the two threaded rods. According to the design movable display stand, through work of the drive motors, the bases in threaded matching with the threadedrods are driven to lift up and down, and the four arched bases are stretched through up and down lifting of the bases, so the display stand is used flexibly.
Owner:江西环境工程职业学院

Stainless steel glass hanging sliding door

The invention discloses a stainless steel glass hanging sliding door. The stainless steel glass hanging sliding door comprises a guide rail box installed on a building wall, the bottom of the guide rail box is bent to form a bent part, a guide rail is installed on the bent part, a glass sliding door main body is installed in the guide rail box, a hanging plate is fixedly arranged on the top of theglass sliding door main body, and the bottom of the hanging plate is movably sleeved with a buffering assembly; the buffering assembly comprises one or more buffering plates, the buffering plates areconnected through one or more springs, a sliding cavity is formed in the middle of each buffering plate in a penetrating mode, the glass sliding door main body penetrates through the buffering platesthrough the sliding cavities, and the buffering plates are installed on the two sides of the glass sliding door main body in a sliding mode. According to the hanging sliding door, the buffering assembly is arranged at the guide rail on the top, so that the hanging sliding door has good buffer capacity in use, the guide rail and a door body are always compressed, the anti-loosening capacity is improved, and after the door body is loosened, the buffering assembly can be used for wrapping the whole glass sliding door main body to play a role in protecting the door body.
Owner:义乌市铂川建筑工程有限公司

Transporting device for refrigerator housings in production line of refrigerator plant

The invention discloses a transporting device for refrigerator housings in a production line of a refrigerator plant. The transporting device comprises a pedestal which is arranged horizontally; a plurality of sliding rails are installed at an equal interval at the top of the pedestal; the top of each sliding rail is connected with a clamping block in a clamping manner; every two adjacent slidingrails are connected with a base plate through the corresponding clamping blocks; each limiting block is installed outside the corresponding fixing column in a sleeving manner; and the top of each limiting block is connected with a connecting plate through a screw. A user connects each clamping block to the corresponding sliding rail in a clamping manner; each base plate is connected to the corresponding clamping blocks by virtue of screws so that each base plate can slide on the sliding rails through the corresponding clamping blocks, the motion resistance is reduced, and the motion track is not prone to being changed. Subsequently, each limiting block is installed on the corresponding fixing column in a sleeving manner; the two ends of each connecting plate are correspondingly connected with the corresponding limiting block and a corresponding positioning plate so that the limiting blocks can be used for driving the base plates to move by virtue of the positioning plates in work. Eachpositioning plate plays a power transmission role and meanwhile makes the base plates be not prone to being derailed, and the base plates can be transported more stably.
Owner:李思模

Tensioning device suitable for slag salvaging machine

The utility model discloses a tensioning device suitable for a slag salvaging machine, and relates to the technical field of slag salvaging equipment. The tensioning device comprises a tensioning frame, wherein a through hole is formed in the top of the tensioning frame; a screw rod movably penetrating through the through hole; a hydraulic cylinder mounted in the tensioning frame; a sliding block with one end connected with a hydraulic rod of the hydraulic cylinder and the other end connected with the screw rod; a positioning nut arranged on the screw rod and located outside the tensioning frame; a spring and a pressure plate sequentially arranged on the screw rod in a sleeving manner from the top of the tensioning frame to one side of the positioning nut; and a positioning ring fixedly arranged on the top of the pressure plate and / or the tensioning frame and sleeving the spring. By the adoption of the technical scheme, a tensioning wheel can be kept in a tensioning state when hydraulic pressure fails, continuous operation of the slag salvaging equipment is guaranteed, and the risk that a scraper chain derails and is clamped is effectively reduced.
Owner:国家电投集团江西电力工程有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products