44results about How to "Run without trouble" patented technology

The invention provides a fault diagnosis device and method for a remote sensing satellite receiving system. The method includes the steps that state information of preset monitoring points in devices of the remote sensing satellite receiving system is acquired; parameters of the devices in a servo system, a tracking channel and a data receiving channel of the remote sensing satellite receiving system are set according to a test type, and then an automatic test is finished; various kinds of task information recorded through the remote sensing satellite receiving system in real time in the data receiving task execution process is acquired; according to the acquired state information of the monitoring points, the automatic test information and the various kinds of task information, fault diagnosis of the remote sensing satellite receiving system is finished by establishing a fault diagnosis model and a fault diagnosis expert system. By the adoption of the device and method, fault information in the system can be acquired, found and reported instantaneously, the system fault model is established, and quick and automatic fault diagnosis of the remote sensing satellite receiving system is achieved.

The invention discloses an improved system and method for detecting wall thickness and corrosion of a well casing of a gas storage well. The system comprises an overground signal processing part and an underground signal receiving and transmitting part arranged inside the gas storage well, wherein the overground part is provided with a mobile detection device connected with the underground part through an armored composite wire, and the detection device is provided with a dragging part and a control terminal; a coaxial cable in the armored composite wire inputs a plurality of collected analog probe signals into a computer, and the computer finishes digital conversion of analog signals and processing of data signals; the signal processing part moves up and down on the inner wall of the well casing through a centralizer; an annular water immersion analog probe array is also arranged; and the armored composite wire is manufactured by winding the coaxial cable for signal transmission with an underground instrument power cord layer by layer and winding a steel wire at the outermost layer, and the coaxial cable and the power cord share one multi-core waterproof seal joint. An encoder is directly installed at the wire swinging part in front of a roller, and the joint of encoder and the computer are in fixed connection. The system disclosed by the invention has stronger reliability and better vibration resistance, and can operate for a long time without faults.

A test center of wiper assembly on automobile consists of pressure transmission unit and pressing-force regulation unit for detecting and regulating press-force of wiper on window glass, brake unit for repeatedly stopping operation of wiper in transient way, rain unit for providing rain environment in test cabin and control unit of using industrial control computer to make control and data treatment. It is featured as setting said computer and control unit in electric control table and placing all the other said units in closed test cabin with front and back doors.

The invention relates to a risk evaluation method for hydrogen energy equipment in a hydrogen refueling station, and the method comprises the steps: a control system obtains the operation parameters of each hydrogen energy equipment in the hydrogen refueling station, and the operation parameters comprise the operation parameters of a compressor, the operation parameters of a hydrogen storage tank, the operation parameters of a hydrogen refueling machine, the operation parameters of a filling gun, and the operating parameters of a connecting pipeline between any two pieces of adjacent hydrogen energy equipment; the control system determines whether hydrogen leakage exists in the whole hydrogen refueling station or not according to the operation parameters of all hydrogen energy equipment and effectively used hydrogen energy data and a hydrogen energy operation strategy; and if the hydrogen leakage exists, the control system determines the position information of the hydrogen leakage according to the data information of the adjacent monitoring points. According to the method, the availability and the reliability are fully considered, and the safety and the reliability of the hydrogen energy facility are guaranteed.

Disclosed is a conveyor roller (1) which comprises a shaft (2), a roller body (3) which is mounted to be rotatable about the shaft (2), and a protective cap (4). The protective cap (4) has a disc-shaped first section (5) for covering the interior of the roller body (3), which first section (5) is arranged fixedly with respect to the shaft (2) and is oriented normally with respect thereto, and a channel-like or roof-like second section (6) which is arranged obliquely with respect to the shaft (2) and runs over a part length of the roller body (3) so as to be spaced apart radially from the latter. Furthermore, a conveyor system with a conveyor roller (1) is disclosed, in which conveyor system a connector cable (7) of the conveyor roller (1) is guided in a curve or a loop to an electrical interface (8, 17) with a connector box of the conveyor system, wherein the lowest point of the curve/the loop is located below said interface (8).

The invention discloses a non-clogging sewage pump. The non-clogging sewage pump comprises a pump body, a motor and an impeller, wherein a water suction opening and a water draining opening are formed in the pump body. The non-clogging sewage pump further comprises a sealing seat and an oil chamber, wherein the sealing seat is arranged between the pump body and the motor, the oil chamber is arranged on the sealing seat in a sleeving manner in the circumferential direction, an annular oil storage chamber is formed between the oil chamber and the sealing seat, a containing hole for the rotary shaft of the motor to penetrate through is formed in the middle of the sealing seat, the lower bearing of the motor is installed above the containing hole, and a mechanical seal is arranged below the lower bearing and between the rotary shaft and the containing hole. According to the non-clogging sewage pump, the impeller is driven by the motor to rotate at a high speed so that eddy currents can be generated to achieve medium conveying, and furthermore, because of the open type impeller and an ample pass way designed in a volute casing, various solid particles, even fiber sundries prone to intertwining, in mediums all can be sent out without obstruction as long as the particles or sundries can enter the water suction opening of the volute casing, and the effect of no clogging is really achieved.

Disclosed is a telescopic guide rail (1) for extractable furniture parts such as drawers or the like, comprising a body rail (2) that can be mounted on a furniture part, a drawer rail (3) that can be connected to an extractable furniture part, a central rail (4) which is disposed between the body rail (2) and the drawer rail (3) and increases the pull-out length, and a control appliance (5) by means of which the drawer rail (3) is coupled to the central rail (4) during pull-out from the closing position until the central rail (4) is deployed to the maximum pulled-out position and is blocked in said position with respect to the body rail (4) while the drawer rail (3) is simultaneously decoupled from the central rail (4), the central rail (4) being displaced in the closing direction with respect to the body rail (2) only when the drawer rail (3) is maximally displaced in the direction of insertion in relation to the initially blocked central rail (4), thereby being coupled again to the central rail (4). The control appliance (5) is composed of a coupling member (6), which is provided with two sliding guides (6a, 6b) extending in an mirror-inverted manner to one another, a first slide (7) fixed to the body rail (2) and associated to a first sliding guide (6a), and a second slide (8) fixed to the drawer rail (3) and associated to the second sliding guide (6b), wherein the coupling member (6) is pivotably mounted about an axis (9) that extends perpendicular to the plane of displacement of the telescopic guide rail (1) and the sliding guides (6a, 6b) extend in a V-shape by expanding one in relation to the other in such a manner that during the entry of the first slide (7) into the first sliding guide (6a) associated therewith a switching of the coupling member (6) and thus a release of the second slide (8) from the second sliding guide (6b) associated therewith is caused and vice versa.

The invention relates to a method for grinding spring ends of helical compression springs using a numerically controlled spring-end grinding machine (100) having a grinding unit (120), a loading unit (150) and a control unit (160) for controlling the loading unit (150) and the grinding unit (120). The grinding unit (120) has a grinding disc pair with two rotatable grinding discs (130, 140), between which a grinding space (135) is formed. The loading unit (150) has at least one loading plate (160, 170), which is rotatable substantially axially parallel to the grinding discs (130, 140) and has a plurality of off-axial spring receptacles (166), each for receiving a respective helical compression spring (F). During a grinding operation, helical compression springs (F) received in spring receptacles (166) are successively transported through the grinding space between the rotating grinding discs (130, 140) by rotation of the loading plate (160, 170) and in the process both spring ends of the helical compression springs (F) located in the grinding space are simultaneously machined by grinding. The method is characterized in that a temperature signal representing the temperature is determined on at least one of the helical compression springs (F) by a temperature measurement during the grinding operation. The spring-end grinding machine (100) is preferably controlled on the basis of the temperature signal. In one embodiment, the temperature is measured using a thermal imaging camera (190). The temperature measuring device (190) is arranged in a cooling air supply duct (200) belonging to a cooling device and/or in a cooling air stream generated by the supply duct (200).

The invention discloses a waterproof GRC shower tray production line and a production method thereof. According to the key point of the technical scheme, the waterproof GRC shower tray production linecomprises an automatic conveying line; a feeding and discharging station is arranged on the automatic conveying line; an inner circulating station and a warm box curing station connected with the output end of the inner circulating station are arranged at the output end of the feeding and discharging station; the inner circulating station comprises a brick placement station, a slurry spray station, a side plugging station and a slurry rolling station which are connected in sequence; the slurry rolling station is connected with the slurry spray station; a brick placement robot is arranged on the brick placement station; a slurry spray robot is arranged on the slurry spray station; and the feeding and discharging station is arranged at the output end of the warm box curing station. According to the waterproof GRC shower tray production line, multiple times of slurry spraying and slurry rolling are achieved through the inner circulating station, then slurry is fast cured within short time through the warm box curing station, the production efficiency can be greatly improved, and the labor intensity of workers can be relieved.

The invention discloses a position control system of a hydraulic stepping driver and a control method applying the same. The position control system comprises a main cylinder, a first driven cylinder,a second driven cylinder, a first switching valve, a second switching valve, a third switching valve, a fourth switching valve and a three-position four-way valve, wherein the interiors of the firstdriven cylinder and the second driven cylinder each are composed of a driven piston with a sealing piece and a reset spring, two through holes in one end of the three-position four-way valve are correspondingly connected with a hydraulic source and an oil tank, through holes in another two ends of the three-position four-way valve are correspondingly connected with the other end of the first switching valve and the other end of the third switching valve, the other end of the first switching valve is correspondingly connected with one end of the second switching valve and a spring-free cavity of the first driven cylinder, the other end of the second switching valve and a spring cavity of the first driven cylinder are connected in parallel and then are connected with a rodless cavity of themain cylinder, a rod cavity of the main cylinder is connected to one end of the fourth switching valve and a spring cavity of the second driven cylinder, and the other end of the fourth switching valve is connected with a spring-free cavity of the driven cylinder in parallel and then is connected with one end of the third switching valve. According to the position control system of the hydraulic stepping driver and the control method applying the same, accurate hydraulic cylinder stepping motion can be realized without a position sensor, and the system is low in cost and has strong oil-pollution resistance.

The invention provides an improvement on electric precipitator polar plate and polar line design and relates to an efficient combining integration module which is applied to a device for collecting electrical charge smoke particles in an electric precipitator. The efficient combining integration module is characterized by being different from various airstream shield type dust collecting polar plates formed by rolling metal plates in the past. The efficient combining integration module has high airflow permeability and can provide enough sedimentation area for electrical charge smoke particles, and especially has a high ability to adsorb the submicron-order electrical charge smoke particles. The electric precipitator adopting the efficient combining integration module has high strength and high stability, and can greatly increase the wind speed of an electric field, shorten the length of a sedimentation channel in the electric field and effectively reduce secondary flying dust, equipment transportation, installation and adjustment are easy and convenient, operation is efficient, the investment and operation cost of the electric precipitator is reduced substantially, and the emission concentration technical performance index is lower than that of a bag type dust collector.

The invention discloses a high-temperature coal gas chilling chamber. A chilling chamber is formed in a chilling shell; a water-cooled wall descending cylinder is arranged in an inner cavity of the chilling shell; a high-temperature coal gas inlet for allowing high-temperature coal gas and gasified ash to enter is formed in the upper part of the water-cooled wall descending cylinder; the lower part of the water-cooled wall descending cylinder extends into a chilling water bath of the chilling chamber; a slag discharging port is formed in the bottom of the chilling chamber, a coal gas outlet isformed in the side wall of the upper portion of the chilling shell, an ash water outlet is formed in the side wall of the lower portion of the chilling shell, an annular gap between the water coolingwall descending cylinder and the chilling shell is a chilling chamber annular gap, and a water cooling wall of the water cooling wall descending cylinder is cooled through desalted water. The high-temperature coal gas chilling chamber has the effects that chilling water of a gasification furnace directly enters the chilling chamber through the pipeline, high-temperature coal gas and ash slag arecooled and washed in the chilling chamber, then coal gas containing part of fine ash enters a subsequent procedure to be treated, coarse slag enters a slag discharging system to be treated, and ash water containing fine ash enters the subsequent procedure to be treated.

The invention discloses an automatic and efficient switching method of a kiln transmission standby frequency converter, which is applied to a standby frequency converter switching system and comprises the following steps that: an industrial personal computer carries out position arrangement on all transmission frequency converters based on the direction from a kiln head to a kiln tail, so that each transmission frequency converter has a respective position number; detecting the operation state of the transmission frequency converter; when one transmission frequency converter breaks down, the PLC module is controlled to close the moving end and the normally-open end of the alternating current contactor corresponding to the transmission frequency converter which breaks down, and the standby frequency converter is used for replacing the transmission frequency converter which breaks down according to the running state of current kiln transmission. According to the method, the faulted transmission frequency converter can be automatically and efficiently switched, so that the standby frequency converter replaces the faulted transmission frequency converter to work, and the switching method can still switch the faulted frequency converter in the operation state of acceleration, deceleration and segmented swinging of kiln transmission.