19results about How to "Avoid Quality Accidents" patented technology

A central control detection device and detection method for a spherical graphite production line, belonging to the technical field of graphite production line detection. In order to solve the problem of online detection on a closed graphite production line, the present invention includes a valve control cabinet for a Baxter dry detector and a negative pressure sampling box. A negative pressure pump is installed on the inner side of the top of the negative pressure sampling box, a filter is installed in the middle, and a collection bin is installed at the bottom. The Baxter detector in the valve control cabinet of the Baxter detector is connected to the left side of the negative pressure sampling box through an online detection pipeline. A stainless steel sampling pipe main pipe is arranged on the right side of the negative pressure sampling box at a height relative to the filter; a plurality of stainless steel sampling pipe branch pipes are arranged on the stainless steel sampling pipe main pipe, an electric butterfly valve is installed on the stainless steel sampling pipe branch pipe, and the stainless steel sampling pipe branch pipe is connected to the stainless steel sampling pipe branch elbow through a flange, and the stainless steel sampling pipe branch elbow extends into the silo. The present invention improves the product recovery rate and the equipment utilization rate.

The invention belongs to the technical field of cast-in-situ bored pile foundation quality control, and relates to a cast-in-situ bored pile foundation quality control system based on a pebble stratum. According to the method, the construction basic data of the cast-in-situ bored pile of the pebble stratum is analyzed, the proper construction basic data is selected according to the characteristics of the current pebble stratum, it is ensured that the quality of a pile foundation meets the design requirement, and the safety and stability of engineering are guaranteed; the construction scheme is dynamically adjusted and optimized according to the real-time detection data and the quality evaluation result by analyzing the quality evaluation index of the pebble stratum in each construction process of the cast-in-situ bored pile and the quality evaluation index of the whole construction process, it is ensured that each step of construction meets the design requirement and the quality standard, and the construction efficiency is improved. Corresponding construction control is carried out on the target pebble stratum in each construction process of the cast-in-situ bored pile, the construction quality condition is fed back in real time, the problem working procedure can be rapidly positioned, invalid construction is avoided, and the overall construction quality is improved.

The invention discloses a product production process control method based on the Internet of Things, and the method comprises the following steps: 1, configuration setting: setting corresponding rules in a production equipment control system, including a data collection rule, a data cleaning rule, and an alarm rule and an abnormality judgment rule of different severity levels set by a user according to different product types; step 2, data acquisition and cleaning: acquiring data such as appearance, station temperature and humidity, working current, frequency, temperature and power of products and working equipment by using corresponding sensors and monitoring equipment, so as to perform multi-dimensional data acquisition and form different types of data reports; and the data is transmitted to a data warehouse through the data transmission module. The factory equipment interface uniformity, the data safety, the system stability and the function diversity are comprehensively improved, a large number of human resources are saved, and the quality accidents caused by the fact that process control is carried out on a large number of products without real-time production statistical data are avoided.

The utility model relates to the technical field of high-voltage electric appliances for urban vehicles, in particular to a high-voltage equipment box for urban vehicles. Two pairs of side walls including the first side wall, the second side wall, the third side wall and the fourth side wall are included. The first end of the incoming cable terminal connected with the pantograph is connected with the pantograph on the roof, penetrates through the incoming side current transformer, the second end of the incoming cable terminal is connected with the input side of the vacuum circuit breaker, and the incoming cable terminal is input into the incoming side voltage transformer and is connected to the input side of the vacuum circuit breaker; the first end of the main transformer cable terminal is connected with the output side of the vacuum circuit breaker, and the second end of the main transformer cable terminal is connected to a main transformer structure, so that the insulating capacity is greatly improved, pollution flashover of high-voltage components on the roof caused by environmental factors such as wind, dust, rain, snow and haze when the main transformer cable terminal is externally arranged originally is avoided, quality accidents caused by environmental influence are effectively avoided, and the service life of the main transformer cable terminal is prolonged. And the maintenance is convenient, and the whole life cycle cost is reduced, so that the overhaul cost is reduced.

The invention relates to the technical field of underground mining, and discloses a method and a device for controlling the quality of a waistline of an opening transition section of a mining and cutting roadway, and the method comprises the following steps: determining a center line and a waistline in the tunneling direction of the roadway based on roadway construction measurement elements; based on the waist line, determining a first fixed point by using a measuring instrument and a side wall corresponding to the reverse direction of the roadway tunneling direction; determining a second fixed point on the side wall by using the measuring instrument based on the center line and the first fixed point; based on the center line, determining at least one third fixed point in the arching area of the side wall by using the measuring instrument; and based on the first fixed point, the second fixed point and the third fixed point, performing quality control on roadway tunneling. According to the scheme, the first fixed point, the second fixed point and the third fixed point are determined on the side wall corresponding to the reverse direction of the roadway tunneling direction through the center line and the waist line of the roadway, so that quality control over roadway tunneling is completed, and quality accidents are avoided.

The utility model discloses a steel bar positioning device for a main body structure column body, which relates to the technical field of house building main body structure construction and comprises a longitudinal single-group fixing device and a transverse single-group fixing device overlapped on the longitudinal single-group fixing device, and the longitudinal single-group fixing device and the transverse single-group fixing device are orthogonally arranged. The reinforcing steel bar positioning device is reasonable in design, beneficial to guaranteeing the positioning accuracy of vertical reinforcing steel bars, capable of being used for positioning construction of cast-in-place main body structures and prefabricated vertical reinforcing steel bars, wide in application range and good in positioning effect. Vertical steel bar deviation is avoided through positioning of the steel bar device, and the problem that in a construction site, due to main body steel bar positioning deviation, scanning of a steel bar protection layer in the later period is unqualified is effectively solved. The construction quality of the vertical steel bars is guaranteed, and quality accidents are avoided.

The invention discloses a method for calcining limestone in a pulverized coal rotary kiln, and the processing method comprises the following steps: A, raw material preparation: selecting limestone with excellent quality and low impurity content as a main raw material, selecting high-quality pulverized coal as a fuel, the heat value of the pulverized coal is not lower than 5000 kcal / kg, the ash content is not higher than 10%, the limestone is crushed to the particle size of 0-5 mm, impurities and particles larger than 5 mm in the limestone are removed through screening equipment, the pulverized coal is dried to enable the water content of the pulverized coal to be lower than 1%, and then the pulverized coal is ground to the particle size of 0-0.074 mm so as to improve the combustion efficiency of the pulverized coal. Through raw material preparation, the quality of limestone and pulverized coal is ensured, a good foundation is provided for the subsequent calcination process, the uniformity of the materials can be improved through crushing and screening, the agglomeration and blockage phenomena are reduced, the combustion efficiency of the pulverized coal can be improved through drying and grinding, and the energy consumption is reduced.

The present invention discloses a relay LED indicator light detection device, comprising a workbench, a power-on probe, a light shield and an illumination sensor; a relay positioning tool for loading a relay is provided on the workbench surface; the power-on probe is installed under the workbench through a first lifting mechanism and corresponds to the position of the relay positioning tool; the illumination sensor is installed on the top of the light shield, and the light shield is installed on the workbench through a second lifting mechanism and corresponds to the position of the relay positioning tool. The present invention detects the LED indicator light of the relay through the relay LED indicator light detection device, and can detect the relay whose relay LED indicator light brightness exceeds the tolerance due to the influence of the resistance size or the number of turns error, thereby avoiding the occurrence of quality accidents of the relay.

Provided is an installation and adjustment tool for an inverted camshaft of a diesel engine, wherein a first positioning sleeve is coaxially arranged with a fuel roller guide cylinder seat below it, and a reference line formed by connecting lines at the connection points of a plurality of first positioning sleeves on the positioning plate is located on the same vertical plane as the axis of the camshaft installed in an inverted manner on a bearing housing in a fuel lifting mechanism; a second positioning sleeve is positioned at the upper end of an intake and exhaust roller guide cylinder seat in an intake and exhaust lifting mechanism, and the axis of the second positioning sleeve is located on the vertical center plane of the roller in the intake and exhaust lifting mechanism, and the position of the intake and exhaust roller guide cylinder seat is adjusted so that the upper end of the second positioning sleeve is located on the reference line after being connected to the positioning plate. The present invention ensures the spatial installation position of the camshaft and the relative position of the roller and the camshaft during intake and exhaust, improves the accuracy of intake and exhaust timing, reduces the difficulty of assembling an inverted camshaft, improves installation efficiency and installation accuracy, reduces the occurrence rate of roller guide cylinder eccentric wear, and effectively avoids quality accidents caused by roller guide cylinder eccentric wear.

The utility model discloses a reusable extrusion die core for cable production, which comprises a die core main body, a positioning ring is fixedly mounted on one side of the die core main body, a positioning groove is formed in the inner wall of the die core main body, a round hole is formed in the inner wall of the positioning groove, a positioning spring is fixedly mounted on the inner wall of the round hole, and a positioning block is fixedly mounted at one end of the positioning spring. And a ball is embedded in one side of the positioning block. According to the reusable extrusion die core for cable production, a lining is placed in the die core body, then one side of a limiting block makes contact with the surface of a ball, so that the ball extrudes a positioning block, meanwhile, a positioning spring buffers and resets the positioning block, and when the positioning block needs to be replaced subsequently and the lining is not extruded, the positioning block can be replaced, and the lining is prevented from being damaged. And the lining is separated from the mold core main body, so that the lining can be conveniently disassembled, subsequent use is facilitated, and the use efficiency of the mold core is improved.

The invention provides an underground diaphragm wall joint pipe pulling time monitoring system and method, and the method comprises the steps: arranging a joint pipe and a reinforcement cage before the pouring of an underground diaphragm wall, and arranging the underground diaphragm wall joint pipe pulling time monitoring system based on an optical fiber sensing technology on the joint pipe. The underground diaphragm wall joint pipe pulling time monitoring system comprises an optical fiber sensor for monitoring the temperature and strain of concrete on the outer side of a joint pipe, and the optical fiber sensor achieves synchronous measurement of temperature and sound waves based on a Brillouin-Rayleigh mixed framework and comprises a BOFDA optical fiber and a DAS optical fiber; and the DAS optical fiber is wound by taking the BOFDA optical fiber as an axis. The method has the advantages of high real-time performance and high precision. The distributed optical fiber sensing technology is adopted, temperature and strain changes in the concrete solidification process can be continuously monitored in real time, temperature and sound waves are synchronously obtained through single measurement, equipment does not need to be switched, and compared with a traditional empirical formula method, the method has higher precision and reliability.

The utility model discloses an improved withdrawal and straightening machine installation base structure which comprises a base, slag flowing holes are formed in the top face of the base and below the two sides of the roller face of a withdrawal and straightening machine roller at intervals, a slag flowing plate with a triangular cross section is arranged in the portion, between the slag flowing holes, of the base, and the inclined face of the slag flowing plate is located below the slag flowing holes. The structure can prevent scale accumulation, eliminate the locking phenomenon of the withdrawal and straightening roller, and ensure safe production.

The utility model provides a ribbon label-removing detection automatic alarm shutdown function, and relates to the technical field of ribbon processing, the ribbon label-removing detection automatic alarm shutdown function comprises a rack, one side of the rack is rotatably provided with a plurality of tension rollers, one side of the rack close to the tension rollers is fixedly provided with a support frame, one side of the support frame is provided with a moving frame, and the moving frame is provided with a plurality of rollers. A groove type photoelectric sensor is installed on the side, close to the rack, of the movable frame. According to the utility model, a worker places the colored tape on the roller body of the tensioning roller, then controls the colored tape to move, enables the colored tape to move relative to the tensioning roller, enables the colored tape to move relative to the groove opening of the groove-type photoelectric sensor, enables the groove-type photoelectric sensor to monitor the colored tape in real time, and enables the colored tape to be separated from the roller body of the tensioning roller when the colored tape is separated from the roller body of the tensioning roller. The groove type photoelectric sensor gives an alarm and controls the winding equipment to stop running after detecting that the color tape is in the groove opening, so that the color tape is stopped from being conveyed, and quality accidents are avoided.

The present application relates to the field of design drawing processing, and provides a design drawing archiving method and indexing method, device, equipment, medium, and product. The method includes: obtaining device attribute information of all devices in the design drawings to be archived; detecting the design drawings according to the device attribute information to obtain the detection result; and archiving the drawings when the detection result is determined to be normal. The present application detects the design drawings through device attribute information such as the bit number of each device in the design drawings to be archived, the pin connection status of each device in the design drawings, the package version number of each device, the position information of each device in the design drawings, and the module naming information of each functional module in the design drawings. The design drawings are archived when the detection result is normal, avoiding the archiving of erroneous design drawings, and producing through the archived design drawings can avoid quality accidents in the produced products.

The utility model provides a kind of bottle body precision positioning tool device, it is related to the technical field of automobile air conditioner, including bottom plate, fixed limiting mechanism and movable pressing mechanism;The fixed limiting mechanism is set in the first side of the bottom plate, movable pressing mechanism is set in the second side of the bottom plate;It further includes product supporting plate, is set between the fixed limiting mechanism and the movable pressing mechanism, the upper surface of the product supporting plate is formed with the positioning arc surface matched with the appearance of liquid storage drying bottle;The fixed limiting mechanism includes L-shaped locating plate, the bottom of the L-shaped locating plate is fixed on the bottom plate, the L-shaped locating plate has horizontally extended first locating plane and second locating plane, which is vertically upward from the first locating plane.The utility model has the advantages of simple structure, convenient operation and good stability, which can effectively improve the accuracy of liquid storage drying bottle positioning installation, thereby avoiding quality accidents caused by misplacing liquid storage drying bottle.

The invention relates to the technical field of big data management and data quality control, and discloses a big data platform model change influence quantitative evaluation and data verification method, which comprises the following steps of: firstly, constructing a full-amount blood relationship graph containing dominant and implicit dependencies by combining dynamic job logs and static code abstract syntax tree analysis; performing statistics on change influence indexes, and calculating a total influence score representing a risk level by using a multiple linear regression model; generating a dynamic check threshold based on the score, and selecting a sentinel node according to betweenness centrality; and calculating node data similarity and introducing a distance attenuation factor to obtain a global consistency index so as to judge a verification result. And finally, iteratively correcting the regression model coefficient by using the verification residual error. According to the method, the problem of dependency deficiency of complex links is effectively solved, accurate quantification of alteration risks and adaptive adjustment of verification strategies are realized, and the accuracy and efficiency of data management are improved.

The utility model relates to the technical field of engineering surveying, and discloses a construction surveying box staff capable of preventing misoperation, which comprises a measuring ruler mechanism and a misoperation prompting mechanism, the measuring ruler mechanism comprises an outer ruler and an inner ruler, and the outer ruler and the inner ruler are spliced and combined section by section to form the measuring ruler mechanism; the catching grooves are formed in the surfaces, close to the bottom ends, of the outer ruler and the inner ruler; the indicating lamp is arranged on the inner ruler in an embedded manner; the misoperation prompting mechanism comprises an object containing box installed in the inner ruler. According to the construction measurement box staff capable of preventing misoperation, the problems that whether operation of staff supporting the box staff is standard or not cannot be visually seen through an existing box staff, the state of the box staff cannot be tracked and judged in real time in the construction process, and in the construction process, professional measuring staff and the staff supporting the box staff are relatively long are solved; measurement personnel cannot find problems in time, errors are caused, and even serious quality accidents are caused.

This invention belongs to the field of production control technology and provides a green production optimization management method and system for jacquard fabrics. The method includes: based on the weaving parameters and the preset process parameters, using a pre-trained Transformer energy consumption prediction model to predict the energy consumption per unit fabric length; in response to the energy consumption per unit fabric length exceeding a preset threshold, using a reinforcement learning model to adjust the process parameters to obtain first optimized process parameters that meet the energy consumption threshold; obtaining the first correlation degree between the optimized parameters in the first optimized process parameters and surface defects of the jacquard fabric; conducting a preset number of trial productions based on the first optimized process parameters; obtaining second optimized process parameters by dynamically inputting surface defects during the trial production process into the reinforcement learning model; and producing the jacquard fabric based on the second optimized process parameters, thereby achieving a balance between energy consumption reduction and quality assurance in the jacquard fabric process parameters.

The utility model relates to a photovoltaic module transfer machine which comprises a driving module and a transfer device, the transfer device is connected to the driving module, the driving module can drive the transfer device to move, the transfer device comprises a support and a clamping jaw, the support is of an integrated structure and connected to the driving module, and the clamping jaw is movably connected to the support and used for clamping a photovoltaic module. Therefore, when the driving module drives the transferring device to move, the clamping jaw can clamp the photovoltaic module to move to a specified position without shaking, and the bracket is not easy to loosen and deform even after being used for a long time, so that the situation that the height of the clamping jaw is inconsistent due to loosening of the bracket is avoided, and the working efficiency is improved. Therefore, the clamping jaw can be prevented from rubbing with glue, and batch quality accidents can be avoided.