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75results about How to "Reduce lost time" patented technology

Automatic fault diagnosis system of bulldozer

The invention relates to an automatic fault diagnosis system of a bulldozer. A controller and a display are connected with a CAN wire. The controller comprises an engine controller, a detection controller and a traveling controller. Each engine parameter sensor is connected with the engine controller; a bulldozer transmission and working parameter sensor, a bulldozer starting system electrical device detection points are connected with the detection controller; and a travelling control handle, a travelling brake pedal, a travelling solenoid valve, a steering brake solenoid valve and a bulldozer travelling pressure and velocity sensor are connected with the traveling controller. The invention can diagnose all faults of the electrical devices, lines, and part of hydraulic system of bulldozer, alarm and display the detected content, thus an operator can find the fault points directly according to indication of alarm, and then eliminate the faults effectively. Therefore, labor intensity is reduced and downtime is shortened, and the maintenance cost is reduced. The automatic fault diagnosis system can make sure the bulldozer operate safely and improve the overall management level of the bulldozer. The invention has the advantages of stable performance, convenient operation, safety and reliability and humanized interface.
Owner:SHANTUI CONSTR MASCH CO LTD

Safety driving control method through yellow light signal on intersection based on wireless technology

The invention discloses a safety driving control method through yellow light signal on an intersection based on a wireless technology. The method comprises the following steps: step 1, detecting the current velocity v of a car and the distance S (v) to a parking line; step 2, transmitting the collected data to a database of a center control computer; step 3, calculating the required distance S, within which the car completely stops at the current velocity v; step 4, generating a corresponding command according to the comparison result of S and S (v); step 5, adjusting the time ty<0> of a yellow light; step 6, transmitting the corresponding command to a vehicle-mounted terminal or a mobile terminal of the corresponding car; step 7, broadcasting driving tips by the vehicle-mounted terminal or the mobile terminal after receiving the command. According to the safety driving control method through the yellow light signal on the intersection based on the wireless technology, an intelligent active reminding technology is adopted to provide timely, accurate and enough guidance information for drivers, safe and efficient transit capacity is realized when the yellow light is turned on, fast, comfortable and safe road efficiency is completely played, and the safety driving control method is suitably popularized and applied to Internet of Vehicles in future.
Owner:SOUTH CHINA UNIV OF TECH

Cantilever frame beam side all-embedded mounting and erecting device

The invention discloses a cantilever frame beam side all-embedded mounting and erecting device. The cantilever frame beam side all-embedded mounting and erecting device comprises an I-beam and embedding devices; the I-beam is provided with a steel plate base, and is fixedly connected with an embedding device I arranged in a concrete wall through a bolt; a supporting point fixing device I of which the angle can be adjusted freely is arranged on the lower portion, which is far away from the concrete wall, of the I-beam; the supporting point fixing device I is connected with a supporting point fixing device II arranged on the concrete wall through a supporting steel tube; the supporting point fixing device II is connected with an embedding device II arranged in the concrete wall through a bolt; trapezoidal screw threads are arranged in two ends of the supporting steel tube; a positive and negative trapezoidal thread adjusting screw is arranged on the middle upper portion of the supporting steel tube; each of the supporting point fixing device I and the supporting point fixing device II is provided with a trapezoidal screw of which the angle can be adjusted freely; and the trapezoidal screws are respectively connected with the screw threads in the two ends of the supporting steel tube. The cantilever frame beam side all-embedded mounting and erecting device is quite simple in structure and quite convenient to assemble and disassemble; materials are saved greatly; and the schedule is increased.
Owner:HUNAN ZHENG WEI CONSTR SCI & TECH

Monitoring method for single-phase intelligent electric energy meter automatic verification production line

The invention relates to a monitoring method for a single-phase intelligent electric energy meter automatic verification production line, and belongs to the technical field of a monitoring method for an automatic verification production line. The monitoring method comprises the steps of quality control testing, uncertainty evaluation and uncertainty evaluation result verification. The monitoring method can realize a monitoring test for the single-phase intelligent electric energy meter automatic verification production line, unmanned management is realized in the test process, and a subjective error is avoided. Test acquisition data in the monitoring method is stored in the form of a database, thereby being convenient for transmission and filing management, and realizing paperless management. Error verification devices in one automatic verification production line are enabled to act as a comparison set for an uncertainty evaluation result, and a device is indicated to certainly have a hardware failure problem after random anomaly is excluded. The monitoring method is scientific in design, convenient to operate, accurate and reliable, the performance of the single-phase intelligent electric energy meter automatic verification production line is ensured to be controllable, and the verification quality of a verified single-phase intelligent electric energy meter is guaranteed.
Owner:STATE GRID CORP OF CHINA +3

A fully embedded installation and erection device on the side of a cantilever beam

The invention discloses a fully pre-embedded installation and erection device on the side of a cantilevered girder, which includes an I-shaped steel and a pre-embedded device. The buried device I is fixedly connected. The lower part of the I-beam away from the concrete wall is provided with a support point fixing device I that can freely adjust the angle. The support point fixing device I is connected to the support point fixing device II set on the concrete wall through the supporting steel pipe. Connection, the support point fixing device II is connected with the pre-embedded device II installed in the concrete wall through bolts, the two ends of the supporting steel pipe are provided with trapezoidal threads, and the middle and upper parts are provided with positive and negative trapezoidal tooth adjustment screws, the support point fixing device I, the support The point fixing devices II are respectively provided with trapezoidal screw rods that can adjust the angle freely, and the trapezoidal screw rods are respectively connected with the internal threads at both ends of the supporting steel pipe. The structure of the invention is very simple, the installation and removal are very convenient, the material is greatly saved, and the progress is improved.
Owner:HUNAN ZHENG WEI CONSTR SCI & TECH

Mutual inductor access-type three-phase intelligent ammeter automatic error detection device monitoring method

The invention discloses a mutual inductor access-type three-phase intelligent ammeter automatic error detection device monitoring method belonging to an automatic error detection device monitoring method technology field. The monitoring method comprises a quality control test, uncertainty evaluation, and verification of uncertainty evaluation results. By adopting the monitoring method, the monitoring test of the mutual inductor access-type three-phase intelligent ammeter automatic error detection device is realized, and unmanned management of a testing process is realized, and then subjective errors are prevented; data acquired by the test adopting the monitoring method is stored in a database way, and transmission and archiving management are facilitated, and then paperless management is realized; an ammeter position in the automatic error detection device is used as the comparison set of the uncertainty evaluation results, and after random abnormities are eliminated, the hardware fault problem of the ammeter position is determined. The monitoring method is advantageous in that design is scientific, operation is convenient, accurate, and reliable, and the performance of the mutual inductor access-type three-phase intelligent ammeter automatic error detection device is guaranteed, and detection quality of a mutual inductor access-type three-phase intelligent ammeter is guaranteed.
Owner:STATE GRID CORP OF CHINA +2
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