95results about How to "Avoid operational impact" patented technology

The invention discloses a simple network management protocol message sending method and device, includes the following method: store the messages to be sent from the client terminal in the message queue orderly, each message issuing device in client terminal corresponding to the server terminal respectively must implement the following steps: a) acquire a message from the queue; b) determine whether the acquired message is sent to the server terminal corresponding to this message issuing unit or not, if yes, send this message to the server terminal, goes to step c), otherwise, goes to step d); c) determine whether the server terminal received the sent message or not, if yes, goes to step d), otherwise, goes to step e); d) acquire a message from the queue in sequence, goes to step b); e) re-send this message and goes to step c). The invention may avoid the adverse influences of burst message to the network and equipment performances, improve the message transmission reliability, moreover, improve the maintainability of equipment.

The embodiment of the invention discloses a computing power resource allocation method and device, equipment and a storage medium, containers corresponding to different business configurations, a computing power resource quota corresponding to each container configuration converts a first instance into an instance task when the submitted first instance is obtained for a target business, and according to a corresponding relationship between the business and the container, the target container corresponding to the target computing is determined. Iif it is determined that no available computing power resource exists in the target container according to the computing power resource quota corresponding to the target container, the instance task corresponding to the first instance is controlledto enter a task queue of the target container. When it is monitored that the available computing power resources appear in the target container, the target instance task is scheduled from the task queue to be put into operation. Since different services are isolated through the container, examples of the same service share the computing power resources of the same container, even if priority preemption occurs during scheduling, the priority preemption is only constrained in the container, the problem of computing power resource preemption among different services is avoided, and the user experience is improved.

The embodiments of the invention disclose a method for diagnosing bear faults. The method includes the following steps: pre-processing a vibration signal of a bearing before using the local mean decomposition method to decompose the vibration signal, i.e., using the median filtering method to filter the background noise in the vibration signal, then extracting feature information from the signal which is pre-processed, and conducting fault diagnosis on the bearing based on fault feature information. According to the application, the technical solution uses the median filtering method to filter the background noise in an original signal, effectively increases the accuracy in extracting the fault feature information, is conducive to the increase of detection accuracy of bearing faults, and is conducive to normal and healthy operation of an entire device. In addition, the embodiments of the invention also provide a corresponding apparatus and system, which makes the method more practical. The apparatus and the system have corresponding advantages.

The invention discloses a data computer room cooling system and a cooling method thereof. The data computer room cooling system comprises a cold storage tank cold discharging system and an air conditioner cold water circulating system. The cold storage tank cold discharging system comprises a cold storage tank, a cold discharging pump and a heat exchanger which are sequentially connected to form a cold discharging loop. The cold discharging pump is connected with an outlet of the cold storage tank. The air conditioner cold water circulating system comprises a heat exchanger, a refrigerating unit, a freezing water pump and end equipment. The cold storage tank cold discharging system and the air conditioner cold water circulating system are connected through the heat exchanger of the air conditioner cold water circulating system is connected with the refrigerating unit in parallel. The heat exchanger of the air conditioner cold water circulating system, an outlet of the refrigerating unit, the freezing water pump and the end equipment are sequentially connected to form a cooling loop. The heat exchanger of the air conditioner cold water circulating system is connected with a first valve in series, and the refrigerating unit is connected with a second valve in series. When the refrigerating unit loses power and stops running, the cold storage tank cold discharging system is started, and normal cooling can be carried out; an extra water cold storage tank does not need to be arranged, cost and space are reduced, and operation cost of the data computer room cooling system is reduced.

The invention discloses a method of carrying out volume control based on a pressure sensor. The method comprises the following steps of receiving user pressing operation information detected by the pressure sensor and analyzing an operation pressure value of a user on the pressure sensor, wherein the pressure sensor includes a volume increase pressure sensor and a volume decrease pressure sensor; when conditions that a mode is a non-pocket operation mode and the pressing operation of the user is a pressing type are detected and determined, comparing a difference value of operation pressure detected by the volume increase pressure sensor and the volume decrease pressure sensor to a pressing threshold, and according to a comparison result, controlling volume adjusting; and when conditions that the mode is the non-pocket operation mode and the pressing operation of the user is a screw type are detected and determined, continuously collecting operation pressure values on the pressure sensor in preset acquisition interval time, comparing the later operation pressure value to the previous operation pressure value which are continuously collected, and according to a comparison result, controlling the volume adjusting. By using the method and the system, a service life of a volume button is prolonged and a safety degree is increased.

The invention relates to an anti-theft computer room carrying a blockchain technology. The anti-theft computer room carrying the blockchain technology comprises a main body, a camera, a vertical rod and two interception mechanisms; the main body is internally provided with a processor and a memory; each interception mechanism comprises a telescopic component and an interception plate; each telescopic component comprises a drive unit, a positioning rod, a telescopic frame, a connection plate, two supporting plates, two sliding blocks and two transmission blocks; the main body is internally provided with a drying mechanism; the drying mechanism comprises a moving component, a swing component and a nozzle; and the moving component comprises a connection rod, a moving block, a first motor, a transmission belt, a guide unit and two moving units. For the anti-theft computer room carrying the blockchain technology, the interception effect is exerted to people through the interception mechanism, and the people is intercepted when verification with the camera is failed, so that the safety of the anti-theft computer room is improved; and through the drying mechanism, dryness in the main bodyis kept, so that influences of water mist on running of equipment are avoided, and the convenience and rapidness of the anti-theft computer room are improved.

The invention relates to an intelligent relay test protection device based on the Internet of things. The intelligent relay test protection device comprises a main body, wherein the back surface of the main body is provided with a back plate lifting mechanism, the back plate lifting mechanism comprises a driving unit, a back plate and a plurality of driven units, each driven unit comprises a first moving block, a second moving block, a first connecting rod, a second connecting rod, a lifting block and a supporting block, a cooling mechanism is arranged in the main body, the cooling mechanism comprises a transmission mechanism, a cooling unit and a sliding unit, and the cooling unit comprises a first air pipe, an air pump, a fixed block, a second air pipe, a cooling pipe, a third air pipe and a cooling spray nozzle. According to the intelligent relay test protection device based on Internet of things, other instruments and equipment can be placed on the top part of the main body conveniently through lifting the back plate by means of the back plate lifting mechanism, the space occupation requirement is reduced, furthermore, the temperature is reduced through driving the cooling unit to move back and forth by means of the transmission mechanism, such that the cooling effect is achieved while preventing external dust from entering into the main body to affect equipment operation, thereby enhancing the practicality of the equipment.

The invention discloses a method for controlling a casting blank of a slab casting machine. The method comprises the following steps: in the continuous casting process of a slab continuous casting process section, obtaining a roller gap deviation value of a driving roller, a roller gap deviation value of a driven roller, the inner and outer arc pulling and straightening force deviation and the inner and outer arc pulling and straightening force difference ratio of a sector process section in real time; judging whether the roller gap deviation of the driving roller is smaller than or equal to + / -2 mm, the roller gap deviation of the driven roller is smaller than or equal to + / -0.5 mm, the inner and outer arc pulling and straightening force deviation is smaller than or equal to 100 kN, and the pulling and straightening force difference ratio is smaller than or equal to 60%; and if not, controlling that the roller gap deviation of the driving roller is smaller than or equal to + / -2 mm, the roller gap deviation of the driven roller is smaller than or equal to + / -0.5 mm, the inner and outer arc pulling and straightening force deviation is smaller than or equal to 100 kN, and the pullingand straightening force difference ratio is smaller than or equal to 60%. The control method is not only simple, but also remarkable in slab lag prevention effect, and can ensure the stability of thecontinuous casting process and reduce the production cost.

The invention discloses a notification method of an energy-saving state. According to the method, an evolution base station (eNB) transmits an energy-saving state notice of self-managed cells to an adjacent eNB when confirming some of the self-managed cells enter an energy-saving compensation activation state and / or some of the self-managed cells enter an energy-saving compensation deactivation state. And meanwhile, the invention also discloses the eNB. By adopting the method disclosed by the invention, energy-saving efficiency of a system can be improved, and stability of the system is also improved.

The invention discloses a jacket type pressure reactor, aiming at solving the problems of material sedimentation, insufficient material mixing, low heat transfer capability, and difficult exhaust of enriched waste gas. The reactor is composed of an inner sleeve and a jacket at the periphery of the inner sleeve, wherein a waste gas outlet is arranged at the top of the inner sleeve; a liquid inlet is formed at the upper part of the side wall of the inner sleeve; at least one reagent adding hole is formed below the liquid inlet; at least two groups of heating and heat exchange sheets are arranged on the inner wall of the inner sleeve and are staggered longitudinally; one ends of the heating and heat exchange sheets penetrate through the side wall of the inner sleeve to enter into the jacket while the other ends of the heating and heat exchange sheets are not in contact with the other side wall of the inner sleeve; a liquid outlet is formed at the bottom of the inner sleeve; and a heat source outlet is arranged at the upper part of the side wall of the jacket, and a heat source inlet is formed at the lower part of the side wall of the jacket. The jacket type pressure reactor can shorten a traditional high-temperature high-pressure reaction process and realize full utilization of heat energy; and the leakage rate of the reactor is lowered, and the safety reliability of the reactor is improved.

Disclosed is a water source heat pump loop system. A cooling tower, a heating device and a circulating water tank are arranged. The heating device is connected to the side of the cooling tower, and the heating device and the circulating water tank are connected with each other. A circulating pipeline is arranged around the cooling tower, and an air conditioner host is connected to the circulating pipeline. A water pump is arranged behind the circulating water tank, and a thermometer is arranged between the circulating water tank and the water pump. Control valves are arranged on the two sides of the heating device, and ball valves serve as the control valves. A circulating loop is arranged on the lower portion of the heating device, and a control valve is arranged on the circulating loop. Due to the fact that the cooling tower and an air conditioner are connected with each other through the circulating pipeline, the heat can be transferred to the air conditioner through the pipeline, energy is saved, the waste of the heat of the cooling tower is avoided, the effect of waste utilization is achieved, and the phenomenon that a large amount of heat is released in vain is avoided. Due to the fact that descaling components are arranged on the two sides of the cooling tower, water scale in the cooling tower can be timely cleaned away, accumulation of water scale in the cooling tower is prevented, and the phenomenon that the cooling tower is blocked by water scale is avoided.

The invention belongs to a method and a device for treating a tunnel secondary lining vault cavity and a local loose part, and the device is characterized in that three slurry outlet holes with the diameter of 4mm are drilled in the positions of 90 degrees, 180 degrees and 270 degrees every 20cm on the pipe wall of a longitudinal grouting pipe, and the outer side of each slurry outlet hole is sealed by a PE (Polyethylene) film. Two exhaust holes with the diameter of 4 mm are drilled in the pipe wall of the longitudinal exhaust pipe at the 45-degree position and the 315-degree position every 20 cm, the outer side of each exhaust hole is sealed through a PE film, and the length of the longitudinal grouting pipe and the length of the longitudinal exhaust pipe are larger than that of a tunnel second lining pouring construction section. The longitudinal grouting pipes in the vertical pipes are communicated. According to the method, when the secondary lining concrete is finally set, the secondary lining concrete poured by the secondary lining is subjected to hole filling treatment grouting through the longitudinal grouting pipe, so that the integrity of the secondary lining concrete and grouting treatment slurry is improved, various concrete defects are repaired, a waterproof plate of a vault can be effectively prevented from being perforated and falling off, and the construction quality is guaranteed.

The invention relates to PVC corrugated pipe cutting equipment which comprises a first supporting frame, a second supporting frame, a third supporting frame, a sliding rail, a cutting mechanism and the like. The first supporting frame is located at the forefront of the equipment, two sliding rails are fixed to the bottom of the rear wall of the first supporting frame, a third supporting frame is fixed to the rear portions of the top walls of the two sliding rails, a second supporting frame is fixed to the front position of the middle of the right wall of the sliding rail on the right side, and the cutting mechanism is installed in the third supporting frame. According to the corrugated pipe cutting device, a corrugated pipe can be cut from the inside, the corrugated pipe is clamped from the outside during cutting, and the pipe wall near the cutting point is fixedly clamped, so that the situation that notches are uneven due to shaking of the corrugated pipe during cutting can be avoided, and the cutting quality is improved; the automatic feeding mechanism can automatically pull the corrugated pipe into the equipment, so that the manpower consumption is reduced, and the production efficiency is improved; and the length of the cut corrugated pipe can be adjusted by adjusting the position of the limiting block, and a plurality of length gears are arranged and can be adjusted according to requirements.

The invention discloses a pre-filtering device of an aluminum heat exchange tube type seawater desalination system. The pre-filtering device is arranged at the inlet end of the cold source side of a low-temperature multi-effect seawater desalination system; the pre-filtering device comprises a plurality of pre-filtering units; a plurality of pre-filtering units are arranged in a main pipe split manner, each pre-filtering unit comprises a seawater booster pump, a front-end pressure transmitter, an ion trap, a rear-end pressure transmitter, a filter, a VSD logic control system and a backwashingdevice, and the backwashing device comprises a backwashing buffer tank, a backwashing pump and a backwashing filter. The invention aims to provide the pre-filtering device of the aluminum heat exchange tube type sea water desalination system. The concentration of corrosive metal ions in seawater can be reduced to a negligible degree, the aluminum alloy heat exchange tube is effectively protected from being attacked by the ions to generate dynamic current corrosion, safe and stable operation of the sea water desalination device is guaranteed, and the disassembling and blocking frequency of theheat exchange tube bundle of the effect evaporator is reduced.

The invention relates to power equipment, in particular to a ring main unit sheltering component which is simple in structure, convenient to operate and capable of improving safety. At least one operating panel is arranged at the front end of a ring main unit body. The ring main unit sheltering component is characterized in that the sheltering component comprises a roller shutter arranged at the top of the front end of the ring main unit body, the roller shutter comprises a roller and curtain cloth, the curtain cloth is provided with at least one openable turning curtain, and each turning curtain corresponds to one operating panel. The ring main unit sheltering component is simple in structure, operating safety of workers can be guaranteed, widespread power failure caused by misoperation can be avoided, and power supply service efficiency is improved.

The invention discloses a rock cracking drill bit which comprises a drill bit body. A first columnar blade is arranged on one side of the drill bit body, and a first spiral blade is arranged on one side of the first columnar blade; a first rhombic blade is arranged on one side of the first spiral blade, and a second columnar blade is arranged on one side of the first rhombic blade; a first check block is arranged on one side of the second columnar blade, a stock outlet is formed in one side of the first check block, and the other side of the stock outlet is provided with a second check block; a second rhombic blade is arranged on one side of the discharging opening, and a second spiral blade is arranged on one side of the second rhombic blade; and an installation hole is formed in one end of the drill bit body, and a drill tip blade is arranged at the other end of the drill bit body. The rock cracking drill bit is mainly used for smashing rocks, the first columnar blade is arranged on one side of the drill bit body and can select to be additionally provided or not provided with an alloy head according to the need, and operation is pretty flexible and convenient; and the first spiral blade is arranged on one side of the first columnar blade, and therefore the stirring effect can be improved.

The invention discloses a multifunctional wire harness operation table which is characterized by comprising a working table, a slide, support pieces, a sliding device, a wire harness storage device and a tool box. The support pieces are symmetrically and fixedly installed on two sides of the working table, the slide and the wire harness storage device are both connected with the support pieces, the slide is arranged between the working table and the wire harness storage device, the sliding device is arranged on the slide, and the tool box is installed in the sliding device. Due to the fact that the sliding device is arranged on the operation table through the slide, the tool box is installed in the sliding device, an operator can take tools conveniently, and the working efficiency is improved. By means of the wire harness storage device, cables of various specifications can be stored in a grouping mode, the problem that the wire harnesses are twined is solved, and the problem that the wire harnesses are poor in contact, an insulation layer is damaged and the like due to the fact that the wire harnesses with large weight are stretched is solved.

The invention discloses sewage treatment equipment capable of reducing the dosage of a medicament and a treatment method thereof, and particularly relates to the technical field of sewage treatment. The sewage treatment equipment has the advantages that a linkage component is squeezed by a supporting plate to displace, so that bottom cover closing operation can be completed, and subsequent impurity collection is facilitated; meanwhile, under the action of a second toothed bar and a second gear, a filter screen can be smoothly controlled to overturn and dump impurities, at the moment, impurity collection can be completed through a bottom cover, meanwhile, under the elastic action of a linkage assembly, the bottom cover can be smoothly overturned to incline, and therefore the impurities can be conveniently dumped into a collection box; according to the device, the multiple filter screens can be controlled in a push-pull mode to achieve overturning to complete impurity collection operation, meanwhile, automatic resetting of the filter screens can be achieved, automatic pouring of impurities can be completed, contact operation is not needed in the process, the cleanliness of the cleaning process is guaranteed, cleaning work is simple and convenient, and the filter screen is prevented from being blocked to affect the sewage treatment operation.

The invention discloses a lithium battery service life detection system and method based on internal resistance. The system comprises a counter module, a data acquisition module, a pulse discharge module, an internal resistance operation module and an SOH display module; a relation model is established for the cycle index and the health state of a battery, and when the service life of the batteryreaches 85%, the ohmic internal resistance of the battery is obtained through the pulse current; through the relationship between the ohmic internal resistance and the state of health of the battery,the service life of the battery is detected, and subsequently, the ohmic internal resistance can be detected by adopting a cycle index fixed interval according to the actual application scene of the battery. The method has the advantages of simplicity, feasibility, high accuracy, simple calculation and the like.

The invention discloses an intelligent inspection method which comprises the following steps: updating information of inspection personnel and a fan box-type transformer substation; receiving inspection task information, wherein the inspection task information comprises identification information of the fan box-type transformer substation in need of inspection; inspecting the corresponding fan box-type transformer substation according to the identification information of the fan box-type transformer substation; and reporting information of the fan box-type transformer substation detected in adetection process. In the invention, a management terminal and a mobile terminal are used to provide a channel for interconnection of equipment data of the fan box-type transformer substation so thatinformation of inspection records and defect records are uploaded to the management terminal in time, and also provide a channel for a company management for checking operating conditions of the fan box-type transformer substation of a wind field so that the management can learn about the operating conditions of the fan box-type transformer substation in time and deal with problems existing in thefan box-type transformer substation in time, thereby avoiding that unsmooth information circulation of the inspection records and the defect records of a traditional fan box-type transformer substation affects safe and stable operation of the fan box-type transformer substation of the wind field.

A house settlement monitoring device disclosed by the present invention comprises an infrared transmitter, a monitoring pipe and a wireless receiver, the infrared transmitter is installed on a house wall, and the monitoring pipe is internally provided with an infrared receiver, a memory, a central processor, a graph generator and a wireless transmitter. The mounting positions of the infrared transmitter and the infrared receiver have the same height relative to the ground, the infrared receiver, the central processing unit, the graph generator and the wireless transmitter are electrically connected in series in sequence, and the memory is electrically connected with the central processing unit. According to the technical scheme, house settlement is detected through the propagation characteristics of infrared electromagnetic waves, the monitoring precision is improved, the requirement for manufacturing precision of the whole device is lowered, the gradienter is installed on the outer surface of the monitoring pipe, the installation position of the monitoring pipe can be adjusted accurately during initial installation, errors are reduced, and by arranging a shock pad, the influence of ground vibration on the operation of the monitoring device is prevented.

The strong magnetic automatic chip removal system of the numerical control machine tool comprises a turning box body, a collecting box is arranged at one end of the turning box body, a first positioning seat is fixedly installed at the position, close to the middle, of the surface of the inner side of the collecting box, and a discharging gate is fixedly installed on the surface of the bottom end of the collecting box; a cleaning box is arranged at the position, close to the lower end, of one side of the turning box body, and a chip removal hopper is arranged at the lower end of the turning box body. According to the strong-magnetic automatic chip removal system of the numerical control machine tool and the anti-blocking detection method of the strong-magnetic automatic chip removal system, through the arranged turning box body assembly structure, collected chips can be automatically transported and discharged and are accumulated in the chip removal hopper, so that unified treatment is facilitated, the workload needed by workers for concentrating the chips is reduced, and the working efficiency is improved. Through the arrangement of the collecting box structure and the cooperation of the electromagnetic rod assembly in the collecting box structure, the scraps can be electromagnetically collected and prevented from flying in the air, and through the arrangement of the cleaning box, leaked slag cleaning can be conveniently conducted on the material conveying structure.

The invention relates to a device for correcting the parallelism of cutoff wheels of a grooving machine in operation. The device comprises a device body (1) on which a temperature sensing module (2), information sensing modules (3), an infrared measurement module (4) and a management module (5) are arranged. When the device is in operation, the temperature sensing module (2) is arranged on an electromotor and is used for sensing the temperature condition of the electromotor; the information sensing modules (3) are arranged on the two cutoff wheels respectively; the infrared measurement module (4) is used for measuring the position condition of the cutoff wheels; the management module (5) is used for processing comprehensive information; a position reference module (6) is arranged on each information sensing module (3), and the azimuth of each position reference module (6) is set according to the parallelism of the two cutoff wheels; an information receiving module (7) is arranged on the infrared measurement module (4) and is used for receiving the position information condition of the two cutoff wheels; a prompt module (8) is arranged on the management module (5). The operation of the cutoff wheels is prevented from being affected due to insufficient parallelism by sensing the position conditions of the two cutoff wheels in real time.

The invention discloses an air conditioner embedded intelligent voice interaction module, which includes a shell, a main PCB board, a loudspeaker and a microphone are installed in the shell, a voice input module, a voice output module, and a voice processing module are arranged on the main PCB board, and the surface of the shell There is a mesh-shaped voice interaction hole on the top, the speaker and the microphone are facing the voice interaction hole, a support frame is set between the speaker and the voice interaction hole, and the intersection point of the support frame is facing the voice interaction hole. There is a sealing rod, an air inlet pipe is arranged between the shell and the air-conditioning duct, an inner channel is arranged in the support frame, an inner channel is arranged in the sealing rod, the inner channel in the frame is connected with the inner channel in the rod, and the inner channel in the frame is connected with the inlet The trachea is connected, which can intercept part of the cold air generated during the operation of the air conditioner to the interior of the voice interaction module to achieve cooling and cooling, and at the same time prevent the entry of dust from the outside, providing a better dustproof capability for the intelligent voice interaction module.

The invention discloses a roll shaft cutting device convenient to clean in the technical field of roll shaft production. The roll shaft cutting device convenient to clean comprises a workbench. The right side of the top side wall of the workbench is provided with an air cylinder. The front side and the rear side of the left end of an extensible and retractable rod are both provided with clamps. The rear side of the output end of a motor is provided with a cutting knife, and an inner cavity of a containing groove is provided with a conveying device. The left side of the workbench is provided with a material leaking opening matched with the conveying device. The left side of the top side wall of the workbench is provided with a cover body. According to the roll shaft cutting device convenient to clean, the cover body can resist flying impurities so that the impurities can fall on a conveyor belt, and therefore the impurities are fed into the material leaking opening by the conveyor beltand are discharged through the material leaking opening; by means of magnet blocks, iron impurities are conveniently attracted, and the situation that the cut impurities are bounced off after impacting the conveyor belt is avoided; and a guide plate plays a role in guiding the fallen impurities, collection of the impurities is facilitated, the bad effect on running of the equipment is avoided, andthe cleanliness of the workbench is guaranteed.

The invention discloses a money counting machine with a dustproof function, including a housing, a first mounting surface, a second mounting surface, a third mounting surface and a fourth mounting surface are arranged on the shell,, a money inlet is arranged on the first mounting surface, the first mounting surface on both sides of the money inlet is provided with a dust shielding mechanism, a display is mounted on the first mounting surface, a mounting groove is arranged on the first mounting surface between the display and the banknote inlet, a protection mechanism is arranged in the mounting groove, a control panel is mounted on the second mounting surface, and a banknote outlet is arranged on the third mounting surface. The invention has the advantages that the dust-shielding mechanismcan prevent dust from entering the inside of the cash counter, thereby avoiding the influence of dust on the operation of the cash counter, the display screen is protected by the protection mechanism, and the internal components of the cash counter are conveniently maintained and overhauled by the switch mechanism.

The invention relates to the technical field of multimedia teaching and discloses a multifunctional platform for multimedia teaching. The multifunctional platform comprises a platform body, wherein amounting slot is set on front of the platform body, and a supporting holder is fixedly mounted in the mounting slot. According to the multifunctional platform for multimedia teaching, through settingof the platform body, when the platform is not used, the supporting holder is put down, a display is placed on the supporting holder in parallel, a placement platform is pushed to move towards the mounting slot, racks are driven to move, through engagement, shaft rods are driven by gears to drive connection rods to move, clamping plates are enabled to rotate around a hinge towards the direction ofthe mounting slot, after the clamping plates are moved to the highest point, the connection rods slide along the clamping plates, after the placement platform covers the display, dustproof covers theplacement platform, in this way, the display is protected, and the condition that equipment operation is influenced due to the fact that dust enters into the platform body through a gap is avoided.