142 results about "Walk distance" patented technology

The invention discloses a ground penetrating radar vehicle suitable for tunnel lining quality detection. The ground penetrating radar vehicle comprises a frame. A walking mechanism is arranged at the bottom of the frame, a radar antenna fixing mechanism is arranged on the frame, a lifting mechanism is arranged between the radar antenna fixing mechanism and the frame, a direction adjusting mechanism is arranged at the bottom of the lifting mechanism, and an inclination angle recorder used for detecting the inclination angle of the lifting mechanism is arranged on the frame. The ground penetrating radar vehicle has the advantages that a radar antenna is clamped through the radar antenna fixing mechanism, the height of the radar antenna is adjusted through the lifting mechanism, the direction of the lifting mechanism or the radar antenna fixing mechanism is adjusted through the direction adjusting mechanism, the inclination angle of the lifting mechanism is recorded through the inclination angle recorder in the moving process to obtain the height of the radar antenna, and the walking distance of the radar vehicle is obtained through a pedometer, so that the accurate position a measured tunnel lining is obtained.

The invention discloses an electronic attendance system used by students which comprises a student card and outlet / inlet radio-frequency transmitting equipment, wherein the outlet / inlet radio-frequency transmitting equipment comprises two radio-frequency transmitting antennae, and two radio-frequency transmitting antennae transmit different recognition signals at different time and with the same frequency; the student card comprises a radio-frequency receiving circuit, a microprocessor and a GSM (global system for mobile communications) / GPRS (general packet radio service) communication module, and the radio-frequency receiving circuit and the GSM / GPRS communication module are respectively connected with the microprocessor; the microprocessor of the student card judges whether students are in a going-in or going-out state according to the strong or weak changes of different recognition signals received by the radio-frequency receiving circuit, and sends the judged results to the server of the system through a GSM / GPRS wireless data channel. By adopting the system in the invention, students can go in or out in great numbers with no need of approaching the system to swipe the card, thereby causing no congestion or retention at the entrance or exit and generating accurate and reliable attendance information; the two transmitting antennae of the equipment at the entrance and exit can transmit signals at different time and with the same frequency, therefore, less frequency resources are occupied, the walking distance required during entrance or exist is short, and a student can be accurately recognized within 10m; and furthermore, the equipment in the invention is simple in structure and lower in cost.

The invention discloses a material conveying device, a storage robot and a material carrying system. The material conveying device comprises a frame, two parallel conveying pieces installed on the frame and at least one carrying piece connected with the two parallel conveying pieces. The conveying pieces are connected with a driving device and are driven by the driving device to drive the carryingpiece to move circularly. The storage robot comprises an automatic guided vehicle and the material conveying device. The material carrying system comprises the storage robot and a work station. The walking distance of the robot can be greatly shortened, energy consumption is reduced, the service life of the robot is prolonged, and the use cost is further reduced.

The invention relates to railway engineering machinery, particularly relates to a device for quickly loosening and tightening railway steel rail fastener bolts and an operation method of the device, and the device is applied to the field of railway engineering and equipment maintenance. The device comprises a base support 4, and is characterized in that the base support 4 is connected with a driven walking mechanism 1 and a driving walking mechanism 10; a walking distance detection device 2 is connected with the driven walking mechanism 1, and a three-in-one speed reducer 9 is connected with the driving walking mechanism 10 through a locking disc; a bolt position detection device 3 is connected with the base support 4 and is used for detecting the relative position of each group of fastener bolts; a cross sliding guide rail and servo driving device 7 is arranged on the upper surface of the base support 4, an electric wrench 6 is arranged on the cross sliding guide rail and servo driving device 7, a diesel generator 5 is arranged on one side of the base support 4 to serve as a power mechanism of the whole device, and a control box and a control panel 8 are arranged on the other sideof the base support 4, and are used for controlling the whole device to automatically loosen and tighten railway steel rail fastener bolts. According to the device for loosening and tightening the railway steel rail fastener bolts, manual assistance is not needed, tightening and loosening operation of the railway steel rail fastener bolts can be conducted in a full-automatic mode, an existing working mode that manpower is matched with a mechanical wrench can be replaced, a large amount of manpower is saved, the working efficiency is greatly improved, and integrated construction is conducted in cooperation with a rail changing vehicle.

The invention discloses a travelling crane positioning control system and a control method. The control system comprises a brake, a walking frequency converter and a walking motor, and further comprises a distance positioning sensor used for measuring the actual walking distance y of a travelling crane, and a walking controller. The walking controller comprises a differencing module, a first selection unit, an acceleration controller, a deceleration controller and a braking controller. The output end of the distance positioning sensor is connected with the input end of the differencing module; the output end of the differencing module is connected with the input ends of the braking controller and the first selection unit; the output end of the braking controller is connected with the brake; the output end of the first selection unit is connected with the input ends of the acceleration controller and the deceleration controller; and the output ends of the acceleration controller and the deceleration controller are connected with the walking frequency converter. The system and the method are easy to operate; automatic positioning control on a travelling crane can be realized, and the manpower cost can be reduced; the control accuracy and stability are high, and the error is small; and the travelling crane brake is of little wear and long service life.

The invention relates to a parking recommendation method and application thereof. The scheme comprises the following steps: acquiring a destination of a user, travel plan information and user preference; determining at least one alternative parking lot library in a destination setting range according to the destination; determining the predicted arrival time of the user arriving at each alternative parking lot library; screening out a target parking garage in the ideal walking time interval of the user according to the predicted arrival time, and calculating the walking distance between the target parking garage and the destination; determining parking feasibility data of each target parking lot library; determining parking cost performance data of each target parking lot library; and sorting the target parking lot library based on user preferences in combination with the walking distance, the parking feasibility data, the parking cost performance data and the target parking lot library error tolerance data. According to the method, related parking lot libraries, user behaviors, historical congestion and the like in the parking field are fully developed and utilized, so that effective recommendation of parking lots for planned travel is met, and the situation of parking difficulty in hot areas is relieved.

The invention relates to the technical field of carrying work, and discloses a high-precision heavy-load carrying operation device. The high-precision heavy-load carrying operation device comprises aframe part, a moving part, a clamp part and an electric control system, the frame part comprises stand columns arranged on the two sides of the moving part; a girder is arranged between every two adjacent stand column, a rail is laid on the girder, the moving part comprises a bridge frame spanning between the two side rails, the bridge frame is driven by a first walking mechanism to walk along therail; the moving part further comprises a lifting mechanism arranged on the bridge frame to move vertically, and the clamp part is connected to the lifting mechanism; one end of the moving part is provided with a laser ranging sensor, the frame part is provided with a laser reflecting plate corresponding to the laser ranging sensor at the end position of the rail, and the first walking mechanism,the lifting mechanism and the laser ranging sensor are all in signal connection with the electrical control system. The overall framework of the equipment is suitable for large-range material carrying, the operation area is wider, the walking distance is not limited, the maximum span is more than 20 m, the maximum load is more than or equal to 50 t, and the equipment carrying precision is smallerthan or equal to + / -5 mm.

The invention discloses a six-minute walking test method. Firstly, two road piles are placed for limiting a walking route, iBeacon equipment is placed on each road pile, and the distance between the two road piles is a predetermined fixed distance. Secondly, mobile phone equipment is fixed to the right arm through the arm band to be tested, the electrocardiogram testing device is fixed to the waist through the strap to be tested, and the pulse oximeter is fixed to the wrist through the wrist band to be tested; and thirdly, the iBeacon equipment broadcasts the equipment name, and the mobile phone equipment reads the received signal field intensity indication value of the iBeacon equipment, is connected with the computer equipment through the WiFi router and exchanges data with the computerequipment. Meanwhile, the computer equipment is further connected with the electrocardio testing equipment and the pulse oximeter through Bluetooth and receives data. Finally, the computer equipment can collect and display the real-time step number, the walking speed, the motion equivalent, the heart rate, the blood pressure, the oxyhemoglobin saturation, the oxygen consumption and the Borg valuein the six-minute walking process. After walking is finished, a trend chart can be generated according to real-time data, and a six-minute walking test report can be automatically generated.

The invention provides an urban rail and bus two-network integration level evaluation method, which comprises the following steps of S1) obtaining an actual walking distance of a bus station which takes each entrance and exit of a rail transit station as a starting point and reaches a range of a 100-meter radius of a straight line of the entrance and exit of the rail transit station, and evaluating a facility integration level; S2) based on the operation shift time of the station rail transit, considering the transfer time, comparing the operation time of the bus station stop line within the range of 100 meters, calculating the average transfer waiting time, comparing the acceptable waiting time, and evaluating the operation fusion level; S3) analyzing the scale of the passenger flow transfer rail transit at the bus station within the range of 100 meters, comparing the scale with the total scale of the get-on and get-off passenger flow at the bus station, calculating the transfer scaleproportion, and evaluating the passenger flow fusion level; and S4) establishing an urban rail and bus two-network integration level evaluation model; the urban rail transit and bus two-network integration evaluation method has the advantages of being capable of achieving relative dynamics, multi-factor refinement, authenticity and practicability.

The invention belongs to the field of medicines, and particularly relates to an application of shenxiong glucose injection to preparing a medicine for treating pulmonary hypertension. Clinically, the used amount of shenxiong glucose injection is 200ml for general intravenous injection, once for one day and 14 days for one treatment course. The application is characterized in that the systemic blood pressure (SBP), diastolic blood pressure (DBP), systolic pulmonary artery pressure (sPAP), partial pressure of oxygen (PO2), partial pressure of carbon dioxide (PCO2) and the condition of 6min walking-distance test of a patient with the pulmonary hypertension are monitored, and by contrast observation on all indexes before and after the patient with the pulmonary hypertension accepts the treatment with the shenxiong glucose injection, the shenxiong glucose injection has obvious inhibitory action on the pulmonary hypertension by injection. The shenxiong glucose injection can be used as an ideal medicine for treating the pulmonary hypertension disease.