167results about How to "Avoid affecting the detection effect" patented technology

The invention discloses a mobile terminal with a rotation camera. The mobile terminal with the rotation camera comprises a terminal main body and a rotation camera component which is arranged at the top of the terminal main body and can rotate relatively to the terminal main body, wherein a Hall sensor is arranged at one end of the terminal main body, close to the rotation camera component, the Hall sensor is electrically connected with a central processing unit, a first magnet and a second magnet are arranged on a position in the rotation camera component, corresponding to the Hall sensor, the first magnet and the second magnet are bar magnets, a polarity of the first magnet and a polarity of the second magnet, which are the same, are oppositely arranged, and the first magnet, the second magnet and the Hall sensor are located on the same straight line under the circumstance that the rotation camera component is not rotated. The invention further discloses a camera angle control method of the mobile terminal with the rotation camera. By adopting the technical scheme, the mobile terminal with the rotation camera has strong magnetic field intensity, can effectively improve detection precision, and enables rotation angle detection to have good interference resistance.

The invention discloses a quantitative sampling device for TDS (Total Dissolved Solids) water quality testing, which comprises a base, a cylinder body, a motor, a collecting tank, a TDS tester, and asampling chamber; the sampling chamber is fixedly mounted on the upper end of the base, and the motor is arranged on the upper end of the sampling chamber; a movable plate is slidably arranged in thesampling chamber, and both ends of the movable plate are slidably connected with slideways arranged on the side walls of the sampling chamber; the cylinder body is arranged on the left side of the sampling chamber, and a piston is slidably arranged inside the cylinder body; a controller is arranged on the front end of the base, a collecting tank is arranged at the right end of the base, and the TDS tester is arranged on the right side of the upper end of the base. According to the invention, the arranged movable plate moves downwards to press a press switch, so that the motor stops operating,as a result, the piston in the cylinder body stops pumping, quantitative sampling is realized, and the accuracy of a test result is improved. Arranged agitating vanes can effectively prevent particulate matter in a sample from settling to affect a test result. The quantitative sampling device has the advantages of high automation degree, simplicity in operation and high practicability.

The invention provides a device for detecting pesticide residue in food. The device comprises a detection barrel, an upper cover body and a lower cover body, wherein a cross clapboard is arranged in the detection barrel and used for dividing the interior of the detection barrel into an upper cavity and a lower cavity; a first filtering drum is arranged in the upper cavity, can rotate relative to the detection barrel and divides the upper cavity into a first cavity and a second cavity; a plurality of filtering holes through which the first cavity is communicated with the second cavity are formed in the cross clapboard; the upper cover body is mounted at the upper end of the upper cavity, and a stirring device is arranged in the upper cover body; a first circular ring clamping slot is formed in the inner side of the upper cover body, an annular slideway is formed in the first circular ring clamping slot, and the top end of the first filtering drum is connected with the annular slideway; the lower cover body is mounted at the lower end of the lower cavity, a plurality of detection boxes are arranged on the inner side of the lower cover body and correspond to the plurality of filtering holes one to one, and detection test paper is arranged in each detection box. The device for detecting the pesticide residue in the foods has a simple structure, is convenient to use, has high detection speed, is safe and reliable, and effectively improves the food detection efficiency.

An automatic urine test device, a closestool and an automatic urine test method are provided; the automatic urine test device comprises a main frame, a transmission frame, a detection mechanism, a power mechanism, a drive mechanism and a sterilization mechanism; the main frame is internally provided with an empty slot; the transmission frame is located in the empty slot and is in sliding fitting with the empty slot; the drive mechanism is connected with the transmission frame; the power mechanism is connected with the drive mechanism and drives the drive mechanism to act to make the drive mechanism slide to locate at a ready position or a to-be-detected position for dismounting and mounting test paper or getting ready for extracting urine test data; the detection mechanism is arranged above the transmission frame to extract the urine test data; the sterilization mechanism is arranged above the transmission frame. The structure is simple, the steps are rigorous, the transmission frame is sterilized and disinfected before and after urine test, cross contamination in the detection process is prevented, and test results are guaranteed to be accurate.

The invention relates to the valve detection processing field, and discloses a valve tightness detecting device. The valve tightness detecting device comprises a detecting table and an iodine solutionbox; a frame is arranged on the detecting table, a first pressing plate and a second pressing plate are glidingly connected to the frame, and a pull rope is connected to the middle of the first pressing plate and the second pressing plate; a fixed pulley, a first rotary wheel and a second rotary wheel are rotationally connected to the frame; the pull rope strides over the fixed pulley, the firstrotary wheel is connected with the second rotary wheel through a belt; a roll belt are wound between the first rotary wheel and the second rotary wheel, and a wafer is arranged on the roll belt; a first plug rod is connected to the first pressing plate, and a second plug rod is connected to the second pressing plate; plug holes are arranged at the parts where the detecting table is faced to the first plug rod and the second plug rod; a detecting site is arranged between two plug holes, and provided with a fluid leaking hole; the iodine solution box is connected with a fluid pipe, a free end ofthe fluid pipe is located at the upper part of the detecting site, a switch is arranged on the fluid pipe and connected with a torsional spring. Through the invention, the detecting efficiency and accuracy of the valve can be improved.

The invention discloses a needle detection machine, and belongs to textile fittings. The needle detection machine is technically characterized by comprising a machine frame, wherein the machine frame is provided with a front side plate and a back side plate, the front side plate and the back side plate are respectively provided with a transmission shaft, the transmission shafts are provided with a conveying belt, the conveying belt is separated into an upper conveying belt and a lower conveying belt, the machine frame is provided with a bracket, the bracket is provided with an upper transverse beam and a lower transverse beam, the upper transverse beam is arranged above the upper conveying belt, the lower transverse beam is arranged between the upper conveying belt and the lower conveying belt, the upper transverse beam and the lower transverse beam are respectively provided with a sensor, one side of the bracket is provided with an air cylinder, the air cylinder is provided with a push plate, the conveying belt consists of a plurality of small belts, and a gap is arranged between the small gaps. The needle detection machine has the advantages that the multiple-side detection is realized, the working efficiency is high, and the automatic sorting is realized.

The invention discloses an automatic wine bottle cover putting device, and belongs to the technical field of automatic white wine production equipment. The automatic wine bottle cover putting device comprises a first conveying line and a wine bottle cover putting unit; the wine bottle cover putting unit comprises a posture adjustment unit, a first visual inspection mechanism and a carrying robot;the first visual inspection mechanism and the carrying robot are sequentially arranged above the first conveying line in the movement direction of the first conveying line; the posture adjustment unitis arranged on one side of the carrying robot and comprises a vibration plate; the output end of the vibration plate is connected with the input end of a linear feeder; a receiving groove rightly faces the output end of the linear feeder; a wine bottle enters the receiving groove through the linear feeder; a light transmitting board is horizontally installed at the lower end of the receiving groove; a second visual inspection mechanism is arranged below the receiving groove and used for detecting the posture of a bottle cover in the receiving groove; and the carrying robot is used for carrying the bottle cover in the receiving groove to be put on a bottle mouth of the wine bottle. The automatic wine bottle cover putting device can put the special-shaped bottle cover on the wine bottle.

The invention belongs to the field of mobile phone performance detection and setting, and particularly relates to a detection device for detecting a screen and a shell of a mobile phone. The detection device comprises a bottom plate and a supporting seat, wherein a protective plate is arranged around the bottom plate; a lifting frame and a measure gauge are mounted on the supporting seat; two adjustment plates are mounted on the lifting frame and are mounted on the lifting frame through locking pieces; the locking pieces are loosened to adjust the adjustment plates to horizontally move along the lifting frame; clamping mechanisms are mounted on the adjustment plates; and the clamping mechanisms on the two adjustment plates are opened and closed to clamp the mobile phone or a steel ball. The detection device has the beneficial effects that by the arrangement of a measure gauge testing machine matched with the clamping mechanisms capable of being adjusted to rise up and fall down, the hardness of the mobile phone shell and the hardness of the mobile phone screen can be detected; and the detection device is easy and convenient to operate and can meet different demands for detection, and functional diversification is realized.

The invention relates to high-reliability water quality monitoring equipment having an impurity removal function. The equipment includes a main body, an elevating device, a sampling chamber, a water pumping device, a detecting chamber, a detecting device, an impurity removal mechanism and a cleaning mechanism; the impurity removal mechanism includes a filter screen, an enclosed plate, a supportingshaft, a driving assembly and a fixing assembly; the driving assembly includes a first motor, a wire reel, a stay wire, a slide block, a fixing plate, an adjusting rod and a spring; the cleaning mechanism includes a clear water tank, a communicating pipe, a rotary box, two power assemblies and two cleaning assemblies; and the cleaning assemblies includes a connecting pipe and multiple nozzles. Through the cleaning mechanism, cleaning work can be performed on the inner wall of the detecting chamber and the detecting device, so that impurities can be prevented from covering on the detecting device to affect the detection effects of next sampling water, and therefore, the reliability of the equipment can be enhanced; and through the impurity removal mechanism, creatures in the water can be prevented from entering the detecting chamber to affect the detection effects.

The invention discloses a brake pad double-sided wear resistance detection device, and further discloses a detection method of the brake pad double-sided wear resistance detection device. The device comprises a detection mechanism and a friction mechanism, and the two sides of the detection mechanism are movably connected with the friction mechanism; according to the device, after a rotating rod reaches the set rotating times, a servo motor is turned off and a lifting column is lifted; meanwhile, a gear motor is started to drive a rotating shaft to rotate an upper clamping frame to a certain angle; after the device is used for abrading the front surface of the brake pad, the gear motor rotates to drive the rotating shaft, the reverse side of the brake pad is convenient to face upwards forreverse side abrasion test; after an arc-shaped grinding block makes contact with the front surface of the brake pad, an air cylinder drives a push rod to reciprocate, the friction state of the brakepad under a real state is simulated, so that wear resistance test is carried out on the brake pad, double-sided wear resistance detection is conducted by means of the two test results, and compared with a traditional brake pad single-side wear resistance detection mode, the detection in the invention is more comprehensive, and the safety coefficient is higher after the brake pad is detected.

The invention discloses a PCBA color acquisition card based on fiber transmission. The PCBA color acquisition card comprises: a color acquisition board and a product fixing table. The color acquisition board is comprised of a power interface, an RS bus interface, an RS bus outlet, a microcontroller, a color acquisition component, and a PCB board. The power interface, the RS bus interface, the RS bus outlet and the microcontroller are all mounted and fixed on one end of the PCB board. The color acquisition component is mounted on the PCB board away from the end of the power interface. The microcontroller is electrically connected to the power interface, the RS bus interface, and the RS bus outlet. The color acquisition board of the invention integrates a fiber fixing board, and can be externally connected with the fiber, so that the color of the product can be acquired collectively. Because the color is transmitted by the fiber, the color can be acquired in a fixed manner regardless ofwhether the product LED lights are on the front or the back. There is no need to increase product movement and rotation function, which makes the detection of product color more convenient. The coloracquisition board adopts RS485 communication, which can work simultaneously in multiple machines. When the product LED lights are too much, the invention can be easily extended.

The invention belongs to the technical field of chip detection, and particularly relates to mobile phone circuit chip testing equipment, which comprises a fixing plate, wherein a first air cylinder is fixedly connected to the center of the bottom end of a bracket, the output end of the first air cylinder is fixedly connected with an upper detection seat, a lower detection seat is fixedly connected to the position, opposite to the upper detection seat, of the fixing plate, a placement groove is formed in the top end of the lower detection seat, and a first cavity is formed in the lower detection seat. According to the testing method of the mobile phone circuit chip, the chip is placed in a testing placement groove to be detected; when the mobile phone circuit chip is tested through the testing method, the testing position of the mobile phone circuit chip is adjusted through a position adjusting plate, so that the measuring accuracy is guaranteed; and through folding of the upper detection seat and the lower detection seat, the mobile phone circuit chip is ensured to be in a dust-free detection state, so that the problem that when the chip is placed in a detection machine, the contact between the chip and a probe is not tight enough, poor contact easily occurs, and a detection result is wrong is solved.

The invention relates to a finger clip type glucometer with a light blocking function. The finger clip type glucometer comprises a body, a receiving device and a transmitting device. The transmittingdevice comprises a red light LED, an infrared light LED, a light blocking mechanism and a dust removing mechanism. The light blocking mechanism comprises a moving plate, a spring, an annular air bag,a control assembly and two inflation assemblies. The dust removing mechanism comprises a connecting rod, a connecting block and two cleaning rings. According to the finger clip type glucometer with the light blocking function, through the light blocking mechanism, the opening is blocked, external light is prevented from entering the main body and influencing the detection effect; through the dustremoving mechanism, dust removal work can be conducted on the red light LED and the infrared light LED, and the situation that dust adheres to the red light LED and the infrared light LED, and the detection effect is influenced is prevented.

The invention discloses a computer digital video information electromagnetic leakage detection device, which comprises a detection device body, a leakage detection apparatus and a leakage alarm apparatus. The middle part of the top end of the detection device body is fixedly connected with the leakage detection apparatus, the front surface of the leakage detection apparatus is fixedly connected with the leakage alarm apparatus, the middle part of the front surface of the detection device body is connected with an anti-leakage processing apparatus, and the bottom end of the detection device body is fixedly connected with a device pressing bottom pad, the top of one end of the detection device body is fixedly connected with a bundling winding column, the bundling winding column embodies the bundling convenience of the device, the device pressing bottom pad embodies the detection buffering accuracy of the device, the anti-leakage processing apparatus reduces the loss caused by signal leakage, and the leakage alarm apparatus embodies the alarm efficiency of the device, the leakage detection device embodies the measurement controllability of the device, is suitable for being used in the technical field of computer electromagnetic leakage detection, and has a wide development prospect in the future.

The invention relates to the technical field of visual medical equipment and discloses a portable infrared eccentric photofraction system. The system comprises an infrared light source component, a visible light source component and a photo-shooting component which are connected with a driving power board, wherein the infrared light source component comprises a plurality of infrared LED lighting sets and a center infrared LED lamp, and the sector-shaped infrared LED lighting sets form a complete circle; the visible light source component comprises multiple groups of visible light LEG lamps, and each group of visible light LED lamp is positioned between adjacent LEG lighting sets; each infrared LED lamp is independently controlled to be lightened or not, and the lightening intensity of eachinfrared LED lamp is independently controlled; moreover, at most one group of visible light LED lamps is lightened at the same time, and the visible light LED lamps in the group are sequentially andgradually turned off when a group of visible light LED lamps are required to be turned off, and the visible light LED lamps in the group are sequentially and gradually lightened when a group of visible light LED lamps are required to be lightened; and the detection effect is prevented from being influenced by suddenly sharp rotation of eyes of an examinee due to stimulation on the examinee.

The invention discloses an internet-of-things based workplace air monitoring system which comprises a shell, wherein an isolating box is fixedly connected to the interior of the shell; a temperature and humidity recorder is fixedly connected to the interior of the isolating box; a supporting plate is fixedly connected between the left side of the inner wall of the shell and the left side of the isolating box; and a controller is fixedly connected to the top of the supporting plate. The invention relates to the technical field of monitoring systems. According to the internet-of-things based workplace air monitoring system, a first supporting leg is opened to be grounded, so that the device can be conveniently positioned in air for detection, and the condition that the detection effect of the device is influenced due to much ground dust is avoided. By matching the thread and screw holes, the second supporting leg and the first supporting leg can be spliced, so that the air quality in a higher space can be measured, and the system is convenient to assemble. By matching slots and clamping blocks, the second supporting leg can be conveniently contained in a chuck, and the first supporting leg can be fixed by utilizing spring fasteners, so that the monitoring system is convenient to contain and easy to carry.

The invention relates to the technical field of circuit detection equipment, and specifically relates to circuit detection equipment with adjusting structures. The circuit detection equipment comprises a circuit detection equipment main body, a detection module, an electric telescopic rod and a servo motor. The circuit detection equipment main body comprises a detection table. Turnover mechanismsare fixedly installed on the two sides of the top end of the detection table, a control panel is fixedly installed on the front face of the detection table, sliding wheels are fixedly installed at thefour corners of the bottom end of the detection table, a power line is fixedly installed at the bottom end of the detection table, and a conveying belt is rotatably installed at the top end of the detection table. According to the invention, through arranging the first cross rod and the second cross rod, the height between the second connecting plate and the first connecting plate is increased. The proper distance between the detection module and the circuit board can be kept by adjusting the height, the first sliding block and the detection module are driven by the servo motor, a worker canconveniently detect whether faults such as short circuit exist in the circuit board or not, the ex-factory qualification rate of products is increased, and the production efficiency is improved.

The invention discloses a method for online detection of a cap pressing claw of a beer pull ring cap and belongs to the technical field of beer cap pressing. According to the method, a detector is arranged for conducting online detection on the cap pressing claw completing cap pressing operation every time and for outputting a detection result. The invention further discloses a cap pressing machine for achieving the method for online detection of the cap pressing claw of the beer pull ring cap. Through the method for online detection of the cap pressing claw of the beer pull ring cap and the cap pressing machine, the cap pressing claw can be detected online, and detection efficiency and detection precision are improved.

The invention relates to a pressing force detection device for a laser welding clamp for a power battery module. The pressing force detection device comprises terminal equipment, a collection and conversion device, multiple pressure sensing components and a detection tool, wherein the detection tool is adaptively connected into a clamp in a pressing manner; the multiple pressure sensing components are arranged on the detection tool, further, are connected with multiple spring sites in the clamp in one-to-one correspondence and pressing manners, and detect pressure signals of the corresponding spring sites; the collection and conversion device is electrically connected with the multiple pressure sensing components and the terminal equipment respectively, and is used for collecting the pressure signals and sending same to the terminal equipment; the terminal equipment is used for receiving and displaying the pressure signals. The detection tool of the pressing force detection device can be adaptively connected into the clamp in the pressing manner; the height of the detection tool is the same with the total height of a battery core and a bus bar; through connecting multiple pressure sensor components with the multiple spring sites in the clamp in the one-to-one correspondence and pressing manners, the pressure value of each spring site in the clamp can be detected; the pressing force of the laser welding clamp can be accurately detected; the measurement time is short; the measurement is precise; an observation result is intuitional and explicit.

The invention discloses a collection device and method based on anti-pollution underground water, and belongs to the technical field of underground water collection devices. The invention discloses the collection device and method based on anti-pollution underground water, the device comprises a pipe body, the top surface of the pipe body is connected with a cable, the outer wall of the upper end of the pipe body is sleeved with a sealing sleeve, the outer wall of the lower end of the pipe body is of an annular structure and is provided with a plurality of placement grooves, the inner wall of the upper end of the pipe body is fixedly provided with a motor, the output end of the motor is connected with an adjusting assembly, by arranging a protection assembly, when the device is placed at a sampling position, the motor is utilized to drive a threaded rod to rotate, so that an adjusting plate is in contact with the bottom surface of a supporting plate, the adjusting plate is of a conical structure, so that the supporting plate is moved out of a placing groove, the supporting plate can support a hole wall, and meanwhile, the separated supporting plate can pull a protective net open to further support and protect; and the hole wall at the collection position is effectively reinforced, the hole wall is prevented from collapsing in the collection process, sample collection is not affected, and the sample collection efficiency is greatly improved.

The invention relates to the technical field of sewage treatment, and discloses a detection auxiliary device for sewage treatment, the detection auxiliary device comprises: a shell, wherein the interior of the shell is movably connected with a rotating frame; the position of a sample is automatically adjusted, detection is facilitated, subsequent screening and mixing operation is triggered according to the capacitance principle, linkage between structures is improved, operation is more convenient and faster, the higher automation degree is achieved, and through the combined action of a gear ring, a gear, a screening plate, a rotary column, a rotary disc, a ratchet wheel and an electromagnet, impurities in a sample are automatically accumulated at the bottom, so that the clarity of water quality is improved, the influence on the detection effect due to the existence of large-volume garbage impurities in sewage is avoided, the working intensity is reduced, the treatment operation beforedetection is simplified, the convenience is higher, the flowability of the sewage is promoted in a rotating manner, and the situation that pollutants in the wastewater are prevented from precipitate,therefore, the detection result is not accurate can be avoided, and the detection is convenient.

The invention relates to the technical field of side slope deformation monitoring, in particular to a machine vision side slope deformation monitoring camera which comprises a bottom plate, rollers are vertically and rotatably connected to the four corners of the bottom of the bottom plate, a supporting mechanism, an adjusting mechanism and a detection mechanism are sequentially arranged over the bottom plate from bottom to top, the detection mechanism comprises a fixing frame, and a supporting base is horizontally and slidably connected to the upper portion of the fixing frame. Under the effect of a protection mechanism, a camera body is prevented from being damaged by external force, so that the service life of the camera body is prolonged, full utilization of resources is realized, the detection cost can be reduced, heat dissipation of the camera body is facilitated by arranging a filter screen, external dust can be prevented from entering the interior of a protective cover, through cooperation of a mounting frame and arrangement of a cleaning and scraping mechanism, a gear ring drives a rotating shaft to rotate, then a scraper blade is driven to clean and scrape the outer side of the protective cover, and the detection effect of the camera body is prevented from being affected.

The invention discloses a detection device for load-bearing capacity of a corrugated carton. The detection device comprises an upper pressure-applying driving hydraulic mechanism and a load-bearing clamping control mechanism, wherein the bottom end of the upper pressure-applying driving hydraulic mechanism is movably connected with the load-bearing clamping control mechanism. According to the device, a fixed part connected to the inner side of a telescopic piston push rod can be used for driving a movable clamping plate to slide backwards on a guide rail; a main movable rotating rod and an auxiliary movable rotating rod which are connected with the movable clamping plate and the fixed part correspondingly drive a pressing plate body to descend synchronously; a pressure detection plate is used for applying pressure on the corrugated carton and detecting the bearing capacity of the corrugated carton; detection data is conveyed to a display screen in real time; and when cartons with different types and bearing strength are being detected, the plate body can be pulled upwards firstly, balancing weight is placed on a weighing sensor to measure the mass of the balancing weight, and thenthe balancing weight and the pressing plate body conduct bearing detection on the cartons below together, so the situation that the pressing force of the pressing plate body cannot reach the extreme bearing value of a part of cartons is avoided, the application range of the device is widened, and better accuracy is obtained compared with manual detection.

The invention provides a food detection sampling device. The device comprises a device body, the device body is composed of an upper supporting frame and a lower supporting frame, the upper supportingframe and the lower supporting frame are movably connected, the upper supporting frame is composed of a first transverse plate and two concentric-square-shaped frames, long grooves are formed in thepositions, close to the front portion and the rear portion, of the inner surface of each concentric-square-shaped frame, and the two concentric-square-shaped frames are fixedly installed at the positions, close to the two sides, of the lower end of the first transverse plate. The device is stable in structure; the device body can be prevented from deviating or falling off in the up-and-down movingprocess; the device can be compressed for storage and is convenient for carrying; meanwhile, the rebound inertia of a strong spring is utilized, and more labor is saved when a solid sample is rolled;in addition, a grinding mechanism can grind various solid foods into foams at the same time, time and labor are saved, detection is convenient, the food sampling efficiency can be improved, the interior of the device and collected samples can be shielded and protected, and dust is prevented from entering the device and affecting the detection effect.

The invention relates to the field of solid deformation metering methods, in particular to a tunnel section deformation monitoring method, which comprises the following steps of S1, driving a reflecting unit in each accommodating box to move to a preset position through an adjusting mechanism on an adjusting rail on the inner wall of a tunnel; S2, enabling a plurality of laser ranging units in the tunnel to respectively emit measurement signals to the reflection units and receive echo signals, and enabling a processing unit in the mounting seat to calculate a distance value according to the echo signals; S3, storing the distance values, calculated for the first time, of the multiple laser ranging units as a set of reference values, obtaining difference values from the distance values and the corresponding reference sets, enabling a processing unit to judge whether the difference values are within a settlement range or not, and when the difference values are out of the settlement range, enabling the processing unit to send an alarm signal to an alarm unit to give an alarm; and S4, after monitoring of the tunnel section is completed, enabling the adjusting mechanism to drive the reflection unit to reset into the containing box. According to the invention, the measurement efficiency and the distance value comparability are improved.

The invention discloses a full-function detection system for an electric energy meter. The system comprises the electric energy meter, and the electric energy meter is provided with a liquid crystal display screen, a pulse lamp and a 485 communication module. The system comprises a detection device, and the detection device comprises a conveying belt, a short circuit detection unit, a liquid crystal display detection unit, a bar code scanning unit, a 485 communication detection unit, a pulse lamp detection unit, a switching-on and switching-off detection unit, a rejection unit and an upper computer. The electric energy meter is also provided with a bar code, and the electric energy meter is conveyed through the conveying belt and scanned through the bar code. The system can achieve the short circuit detection, liquid crystal display detection, 485 communication detection, pulse lamp detection, switching-on and switching-off detection, carrier detection and elimination to realize detection of the electric energy meter, and the detection is convenient and efficient.

The invention provides a portable mechanical property detection device which comprises a frame, a pulley and connecting plates, wherein the connecting plates on a same vertical plane are arranged on the inner sides of the two ends of the frame respectively; one connecting plate is connected with the pulley through a steel wire rope; the pulley and the other connecting plate are provided with hooks connected with a test product; a mechanical hoist and a tension meter are arranged on a steel wire rope, connected with one of the connecting plates, of the pulley. Compared with the prior art, the portable mechanical property detection device can be used for safely and accurately testing the mechanical properties of machine tools and important stress parts on construction sites, and the construction safety is improved.

The invention relates to the technical field of escalators, and discloses an escalator driving wheel wear detection device and a diagnosis method. The escalator driving wheel wear detection device comprises a detection seat, wherein the bottom end of the front inner wall of the detection seat is provided with a chute A, the inner wall of the chute A is sleeved with a slider A, the front of the slider A is fixedly connected with a connecting rod of which the top and bottom outer walls are fixedly connected with multiple springs E at equal intervals, a contact ring is fixedly connected to the ends, away from the connecting rod, of every two vertically corresponding springs E, detection rods are fixedly connected to the bottom surfaces of the contact rings, a sliding groove B is formed in theposition, corresponding to the connecting rod, of the inner wall of the bottom surface of the detection seat, a sliding block B is connected to the inner wall of the sliding groove B in a sleeving mode, photoelectric sensors are fixedly mounted at the positions, corresponding to the detection rods, of the top surface of the sliding block B. Through the arrangement of the contact rings, the outerwall of the driving wheel is inspected under periodic rotation of the driving wheel, the detection effect on the outer wall of the driving wheel by one circle is guaranteed, and through the arrangement of the multiple contact rings, the outer wall of the driving wheel is inspected in an all-around mode.

The invention provides a catalytic oil-free gas supply device and a catalytic oil-free compression system.The catalytic oil-free gas supply device comprises a catalytic purifier, a catalytic gas inlet pipe and a catalytic exhaust pipe are arranged on the catalytic purifier, and an oil content detection device and a buffer device are arranged on the catalytic exhaust pipe; the catalytic gas inlet pipe is used for guiding compressed gas into the catalytic purifier, the catalytic purifier is used for catalytically decomposing oil impurities in the compressed gas, and the catalytic gas exhaust pipe is used for guiding the compressed gas in the catalytic purifier into the buffer equipment; the oil content detection equipment is used for detecting the oil content of the compressed gas before the compressed gas enters the buffer equipment, the buffer equipment is used for buffering the compressed gas and discharging the compressed gas, and the detection rate of the oil content detection equipment is not greater than the rate of the compressed gas passing through the buffer equipment. When the catalytic oil-free gas supply device is used for supplying gas, the oil content of the compressed gas to be input into the gas consumption equipment of a user can be detected in real time or in advance, and the gas consumption quality of the user is guaranteed.

The invention discloses a wind load pressure sensor device which comprises a top plate, a sensitive detection shell, a cavity and a main body, baffles are fixedly connected to the two sides of the main body, and an adjusting mechanism is arranged on one side of each baffle. The adjusting mechanism comprises a second sliding block, a second sliding groove, fixed feet, a movable block, a supportingframe, internal threads, a threaded rod, a connecting rod and a servo motor; the supporting frame is movably hinged to one side of the top end of the top plate, the fixed feet are fixedly connected tothe two sides of the top end of the supporting frame, and the second sliding block is fixedly connected to the bottom end of the supporting frame. The gutters are evenly formed in the top end of thetop plate, rainwater can be dredged through the gutters, the hydrophobic layer has hydrophobicity, the waterproof layer has a waterproof effect, the influence on the top plate is avoided, the servicelife of the top plate is prolonged, the baffle can prevent rainwater from entering the mounting cavity, and the sealing gasket is fixed into the third clamping groove; rainwater can be prevented fromentering the top plate, and the service life of the body is prolonged.