6948results about How to "Easy maintenance" patented technology

The invention discloses a device for measuring flowability of explosive modeling powder, which comprises a step-press-loading analogue unit, a timing and weighing unit and a computer control unit, wherein the step-press-loading analogue unit directly and indirectly drives a screw rod which extends into a blanking bin to rotate and perform reciprocating movements along an axial line and drives a pusher dog in the blanking bin to perform the reciprocating movements along an arc section through the combined action of a cylinder and a pneumatic reversal valve so as to ensure that the explosive modeling powder in the blanking bin falls into the timing and weighing unit, and the process more truly imitates an explosive conveying process of an explosive step-press process. The timing and weighing unit transmits a weighing value of the explosive modeling powder which falls in the timing and weighing unit to the computer control unit in real time, and the computer control unit calculates the instantaneous flow speed of the explosive modeling powder of a north side and generates a flow speed-time curve according to sampling data. The device can measure the flowability of the explosive modeling powder so as to provide an objective basis for choosing a proper explosive step-press process for the explosive modeling powder.

The invention discloses an electric power distribution method convenient for maintenance. By arranging a second threaded column (21) and an extrusion plate (22), when the second threaded column (21) rotates, the extrusion plate (22) can be driven to rotate, then the extrusion plate (22) can drive a friction pad (27) to rotate, and when the friction pad (27) is connected with the lower surface of the inner wall of a shell (1) in a lap joint mode, a support plate (17) can be fixed; and by arranging a stop block (28), when the back face of a second protection plate (10) is connected with the front face of the stop block (28) in a lap joint mode, a first threaded column (13) can be more conveniently connected with a second threaded sleeve (14), and therefore the second protection plate (10) can be better fixed. The electric power distribution method convenient for maintenance has the advantages that the structure is compact, the design is reasonable, and the practicability is high.

The invention discloses a multi-modal large model automatic evaluation method and system based on Agentic Workflow, relates to the technical field of artificial intelligence model evaluation, and solves the technical problems that an existing large model evaluation method lacks image-text evaluation, is relatively high in subjectivity and is easy to cause illusion. The method comprises the following steps that S1, an input task is analyzed, and a structured task template is generated; s2, generating a multi-round multi-modal task flow chart based on the task template generated in the step S1; s3, based on the flow chart in the step S2, distributing the multi-modal large model component to each task node, executing a task and obtaining an intermediate result; s4, performing multi-dimensional scoring on the intermediate and final results in the step S3 by a plurality of scoring Agents, and fusing to generate an evaluation result; and S5, generating a feedback report based on the process data in the steps S1 to S4, identifying a model short plate, and providing an optimization suggestion. The method has the advantages of comprehensive evaluation of multiple modes, real-time feedback optimization and the like.

The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.

The present application relates to a kind of rocket engine injector thin-wall milling self-positioning fixture and assembly method, it mainly includes upper positioning tire body component, conical surface expansion ring, tire unloading bottom plate, pressing cover plate, tire unloading lifting ring, pressing bolt, expansion screw, lower positioning bottom plate component, locking bolt, long fixed bolt, lower positioning bottom plate component is fixed in machine tool workbench by locking bolt long-term, always not disassembled.Product is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion screw before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thin-wall;Injector thin-wall is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion screw before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thin-wall;Injector thin-wall is positioned and clamped and supported by conical surface expansion ring, tire unloading bottom plate, pressing cover plate, pressing bolt, expansion sleeve before milling injector thin-wall and positioning tire body component, limit the radial and axial movement of injector thinn

The invention discloses an assembly type building stair mold, and relates to the technical field of stair molds, the assembly type building stair mold comprises a mold mechanism, the side face of the mold mechanism is provided with a transverse steel bar limiting mechanism, and the transverse steel bar limiting mechanism is used for limiting and fixing transverse steel bars in a prefabricated stair. According to the longitudinal reinforcement limiting mechanism, the height of a clamping head is accurately adjusted through a third mounting bolt, the clamping head can be flexibly selected according to the diameter of a longitudinal reinforcement, the mounting height and position of the longitudinal reinforcement can be accurately controlled, the overall positioning accuracy of a reinforcement framework is guaranteed, and then the mechanical property of the prefabricated stair is improved; the sleeve plays a role in protecting the end, inserted into the mold mechanism, of the third mounting bolt, it is avoided that concrete adhesion affects bolt disassembly, meanwhile, due to the detachable design of the third mounting bolt and the modular structure of the steel bar limiting mechanism, the demolding difficulty is lowered, damage to stairs after a component is formed is reduced, and the demolding efficiency and the finished product quality are improved.

The invention relates to an electrified railway traction power supply system which is low in investment, is smooth for obtaining a current and is convenient to maintain. Rail webs outside two steel rails of a rail are respectively provided with one insulating strip; then a power supply strip is respectively arranged outside each insulating strip; each vibration inductive switch is connected in series with a sound inductive switch and a light-operated inductive switch; one ends of the connected switches are connected to the power supply strips at one sides; the other ends of the connected switches are connected with feed lines; the power supply strips at the other sides are connected with return wires. Power receiving frames at a headstock side and a tailstock side of a train are in contact with the power supply strips; when the train passes through a zone, the vibration inductive switches are closed, the sound inductive switches are closed, the light-operated inductive switches are closed, the power supply strips in the zone supply power, the power receiving frames of the train obtain a current and the train runs; when the train runs into a next power supply zone, the next power supply section is powered on, and power supply is stopped in the power supply zone. The aims of low investment, smoothness for obtaining the current and convenience for maintenance are fulfilled.

The embodiment of the invention provides a single-bus communication method and device, a chip and a medium, and the method comprises the steps: enabling a host to enter an initialization mode after the host confirms that an internal power supply and a clock of a slave are stable; the host sends a wake-up code to the slave within a set time to wake up the slave, and releases the bus to enter a normal communication mode; the host sends a communication signal to the slave through the improved communication frame; after the host receives a response signal of the slave, the host releases the bus, the bus is pulled to a high level from an external pull-up resistor, and the transmission is ended; wherein the format of the improved communication frame comprises ten codes, one code corresponds to one bit, and the ten codes sequentially comprise one start bit, six address bits, one read-write control bit, one data bit and one response bit. A wake-up code is set before communication between the host and the slave, so that the slave is prevented from being mistakenly waken up. According to the communication mode, the coding mode is simplified, the chip area is reduced, and the transmission speed of the chip is also improved.

The utility model discloses a side sliding door structure of a European style box-type substation, which belongs to the field of European style box-type substations, and comprises a European style box body and a box door, the top end of the European style box body is fixedly connected with a box top, the bottom end of the box top is fixedly connected with a sliding chute, the sliding chute is arranged in a U shape, and the sliding chute is positioned on the outer side of the top end of the European style box body. The number of the box doors is two, the top ends of the sides, close to each other, of the box doors are movably connected with sliding wheels, the sliding wheels are slidably connected into the sliding grooves, the center of the rear end of the European-style box body is movably connected with a deformable folding mechanism, rectangular grooves are formed in the two sides of the European-style box body, and the interiors of the rectangular grooves are fixedly connected with bouncing reset mechanisms. According to the scheme, sliding opening of the box door towards the two sides is facilitated, the situation that power transformation equipment is prevented from moving into the European box body after the transmission hinge double door is opened towards the two sides is avoided, the forward extension space of the box door is reduced, and the convenience of later maintenance and detection of the European box-type substation is improved.

The utility model relates to the technical field of concrete electric poles, and discloses a concrete electric pole production energy-saving maintenance device which comprises a maintenance mechanism, an adjusting mechanism is installed on the inner wall of the maintenance mechanism, a supporting mechanism is arranged in the maintenance mechanism, and a concrete electric pole body is installed on the inner wall of the supporting mechanism. A steam mechanism is installed on the inner wall of the curing mechanism, a drainage mechanism is installed on one side of the curing mechanism, the adjusting mechanism comprises a supporting frame, the outer portion of the supporting frame is fixedly connected to the inner wall of the curing mechanism, and a first motor is fixedly connected to the top of the supporting frame. According to the electric pole steam spraying device, gas in the steam box is sucked through the draw-off pump, enters the flow dividing pipe through the connecting pipe and is finally sprayed out through the spraying head, the first motor drives the rotating plate to rotate, drives the follow-up plate to move and controls the limiting block so as to adjust the positions of the flow dividing pipe and the spraying head, and it is guaranteed that steam is evenly sprayed to the surface of an electric pole.

The application discloses a double-hearth two-stage heating vacuum distillation furnace, which comprises an evaporation furnace and a condensation furnace which are communicated through a gas passage, wherein the evaporation furnace comprises an evaporation furnace body and at least one top heating mechanism which is detachably arranged on the top of the evaporation furnace body; and the condensation furnace comprises a condensation furnace body, a side heating structure and a furnace cover, wherein the condensation furnace body is divided into a temperature control condensation chamber and a plurality of layers of multistage condensation chambers, and the gas passage can be combined or replaced according to the required reaction conditions of different materials. The vacuum distillation furnace can collect different metals through the gradient change of the temperature of the two hearths, reduces the process of secondary distillation of volatile matters after the furnace is stopped, can complete the processing of diversified raw materials, improves the work efficiency and reduces the processing cost; the modular top heating mode directly radiates heat to the materials, improves the heat utilization rate, can realize the working mode of stopping the furnace without stopping the work, helps to improve the work efficiency, and is convenient for completing the furnace cleaning, maintenance and solid material taking and placing.

The application relates to the technical field of wastewater treatment equipment, in particular to a zero-emission multistage wastewater treatment device for industrial high-salinity wastewater, which comprises a base, a fixing frame fixedly installed on the base and a supporting limiting frame fixedly installed on the fixing frame, the supporting limiting frame is slidably connected with a heat exchange box, the front end face of the fixing frame is provided with limiting assemblies corresponding to the heat exchange box on both sides, a sedimentation tank and a core treatment tank are installed on the fixing frame from top to bottom and located at the bottom of the heat exchange box, the heat exchange box, the sedimentation tank and the core treatment tank are sequentially communicated through connecting channels, a feeding pipe is arranged on the side wall of the sedimentation tank, the sealing assembly is driven to rotate by a motor-driven screw rod, the extrusion frame is driven to slide along the guide column, the pressure of the extrusion frame on the third sealing frame can be automatically adjusted, the extrusion plate can be tightly combined with the third sealing frame, the pressure is uniformly distributed, the traditional manual sealing adjustment mode is replaced, and the sealing reliability is further improved.

A vehicle-mounted pet house comprises a house body, and a house pad is arranged at the bottom of the inner side of the house body; the four detachable side pillows are uniformly distributed above the nest pad and are connected with the inner surface of the nest body; the prone sleeping pillow is separably arranged at the top of the nest pad; the straps are symmetrically arranged and are fixed on the outer surface of the house body; the vehicle-mounted pet house mat is novel in structure and ingenious in conception, has the advantages of antibiosis and mite prevention, is beneficial to health of pets, easy to clean and maintain and convenient to use, can be placed in a vehicle to carry the pets when people go out, and can be used for carrying the pets to go out when people walk due to the design of the straps on the two sides. A hidden zipper is arranged on the bottom side of the outer sleeve to prevent the pet from being hurt by the pet hair hooked by the zipper. Through the arrangement of the prone sleeping pillow, a pet can lie prone to have a rest, better comfort is achieved, and the vehicle-mounted nest is safer due to the design of the safety buckle of the woven belt and the automobile seat and the connection of the woven belt and the headrest of the automobile seat.

The invention relates to a magnetic suspension bearing control system and method and refrigeration equipment, and the system comprises a magnetic suspension bearing control module which is used for controlling a magnetic suspension bearing; the battery management module is electrically connected with the magnetic suspension bearing control module; and the master control module is respectively connected with the magnetic suspension bearing control module and the battery management module and can control the battery management module to store electric energy when the voltage of the magnetic suspension bearing control module is excessive and supply power to the magnetic suspension bearing control module when the power supply of the magnetic suspension bearing control module is insufficient. According to the technical scheme of the magnetic suspension bearing control system, through cooperative work of the battery management module and the master control module, the stability, the energy-saving performance and the response speed of the system are enhanced, the service life of equipment is effectively prolonged, and the maintenance cost is reduced. The integrated solution provides a safer, more reliable and more economical operating environment for high-performance and high-precision mechanical equipment.

The utility model provides a self-propelled sunflower harvester, which belongs to the technical field of agricultural machinery and structurally comprises a self-propelled vehicle machine and a frame, a header is arranged at the front end of the frame, and a primary conveyor and a secondary conveyor are communicated with the rear of the header. The rear part of the secondary conveyor is communicated with a thresher; a screening mechanism is arranged below the thresher, and the screening mechanism is composed of a first-stage vibrating screen which is composed of a swinging fish scale screen and rushes backwards, and a second-stage vibrating screen which is composed of a swinging stepped dense mesh screen and rushes forwards; the screening mechanism communicates with the conveying and lifting mechanism. The conveying and lifting mechanism comprises a transverse auger and a bucket elevator. And the conveying and lifting mechanism is connected with the grain collecting hopper. The sunflower seed and sunflower disc separating device can achieve good separation of sunflower seeds and sunflower discs, the sunflower seeds and the sunflower discs are respectively conveyed in two paths during threshing, and simple and efficient threshing separation can be achieved. The threshing process is automatically completed, manpower and material resources are saved, and good harvesting and harvesting effects are achieved.

The invention discloses a multi-modal perception and agent collaborative urban operation event handling method, which belongs to the technical field of artificial intelligence, and adopts the technical scheme that multi-modal front-end equipment is deployed to collect data, a fusion confidence coefficient is generated based on multi-source data, and an event work order is generated when the fusion confidence coefficient reaches a threshold value; the method comprises the following steps: classifying work orders by utilizing an urban management knowledge graph, determining responsibility subjects and disposal guidance, and determining priorities by integrating risks and regions through a weight model; abstracting various resources as disposal resources, and realizing work order and resource matching assignment under the constraint of response time limit; when a complex event condition is met, disassembling into sub-work orders according to a knowledge graph and carrying out parallel processing; the processing resources upload processing feedback, automatic verification is carried out based on computer vision and multi-source evidence, closed loop is qualified, if not, processing or evidence supplementation is carried out, and a closed loop result is archived and used for continuously optimizing the model and scheduling. The beneficial effect of the invention is that the urban operation event handling method based on multi-modal perception and intelligent agent cooperation is provided.

The utility model discloses a humidity-adjustable planting device which comprises a planting box body, the planting box body is of a shell structure, the planting box body comprises planting box side walls and a planting box bottom, a mixing cavity isolation wall is fixedly arranged at the planting box bottom, the height of the mixing cavity isolation wall is lower than that of the planting box side walls, and the height of the mixing cavity isolation wall is larger than that of the planting box side walls. The inner side of the planting box side wall, the bottom of the planting box and the outer side of the mixing cavity isolation wall jointly define a soil-liquid mixing cavity, and the soil-liquid mixing cavity is of a structure with the upper portion open. A liquid storage device is arranged on the outer side of the side wall of the planting box and connected with the side wall of the planting box through a height adjusting device, and the height adjusting device is used for adjusting the height of the liquid storage device relative to the bottom of the planting box. The bottom of the liquid storage device is connected with a first liquid conveying pipeline, the first liquid conveying pipeline communicates with the interior of the liquid storage device and the soil-liquid mixing cavity, and the liquid storage device and the soil-liquid mixing cavity form a communicating container through the first liquid conveying pipeline.

The invention relates to the technical field of optical fiber wireless communication and mobile forward transmission, in particular to a digital analog optical fiber wireless forward transmission transmitting end parameter self-adaptive optimization method and system based on reinforcement learning. Decomposing the normalized wireless signal into digital parts of all levels and a final analog residual error part through multi-level modulation, and transmitting the digital parts and the final analog residual error part in a time division multiplexing manner; a receiving end represents inter-symbol interference caused by link nonlinear distortion and bandwidth limitation, and the signal-to-noise ratio of a recovery signal is calculated based on the error vector amplitude. Parameters of a transmitting end are optimized and modeled into a Markov decision process, states comprise rounding factors, scaling factors, constellation forming factors and pre-equalization filter tap coefficients of all levels, and actions are discrete increments of the parameters; a reinforcement learning agent is constructed by using a dual deep action value network, and training is updated in combination with experience playback and a target network. The reward function comprises a threshold satisfaction item and a signal-to-noise ratio change item; parameters are interactively updated in the training stage, and online self-adaptive adjustment is performed in the reasoning stage.

The utility model provides a crimping module, comprising an opening and closing type driving mechanism which comprises a first driving end and a second driving end, and the first driving end and the second driving end are configured to synchronously drive so as to move towards each other or in opposite directions; the upper crimping assembly and the lower crimping assembly are symmetrically arranged in the vertical direction and are respectively mounted on the first driving end and the second driving end, each of the upper crimping assembly and the lower crimping assembly comprises a fixed part, a floating part and a buffer structure connected with the fixed part and the floating part, a probe is arranged in the fixed part, and the floating part is provided with a through hole for the probe to pass through; when the upper floating part and the lower floating part are in contact with the product to be crimped, compression continues to enable the buffer structure to generate elastic deformation, the floating parts stop moving, and the fixing part continues moving until the upper probe and the lower probe penetrate through the through holes to be in contact with the surface of the product. Through the innovative design of the fixing part, the floating part and the buffer structure, the electronic paper can be pre-flattened before crimping operation, so that the problem of inaccurate crimping alignment caused by bending and warping of the electronic paper is effectively solved.

The application relates to an intelligent isolation bearing online monitoring system, an installation process and a monitoring method. The system integrates force value, angular acceleration and displacement monitoring functions on the basis of an isolation bearing, is composed of an upper sealing plate, a rubber body, a lower sealing plate and a monitoring system, is used for simultaneously monitoring vertical loads transmitted from an upper building to a lower foundation and angular acceleration and horizontal displacement of the isolation bearing, and is composed of a ring-shaped pressure sensor, an inertial measurement unit (IMU), a displacement sensor, a data acquisition and transmission module, a cloud server and a monitoring platform. The system adopts a full-sensor external modular structure, is matched with a six-order Kalman fusion algorithm, a multi-parameter coupling early warning criterion, an IMU dynamic drift calibration model, and a special pre-tightening and anti-loosening installation process, is suitable for various working conditions, realizes synchronous acquisition of multi-dimensional parameters of a bearing, data noise reduction fusion and fault grading early warning, and can realize real-time monitoring of stress, angular acceleration and displacement states of a building isolation bearing.

The application discloses a semiconductor flat-plate warehouse inserting and taking structure, which comprises an inserting and taking connecting frame, an inserting and taking arm and a self-adapting locking mechanism arranged on the inserting and taking arm. The self-adapting locking mechanism mainly comprises a straight-line transmission rod, a scissor type lifting amplification mechanism, a limiting pressing plate and a guiding reset unit. The core of the application is that the self-weight load generated during the inserting and taking of the flat-plate warehouse is used as a driving force. When the inserting and taking arm supports the flat-plate warehouse, the weight presses the straight-line transmission rod, forces the scissor type lifting mechanism to expand and drives the limiting pressing plate to stably move downwards, so that the positioning pin on the limiting pressing plate is inserted into the pin hole of the flat-plate warehouse, automatic locking and positioning are realized. After unloading, the mechanism is automatically reset under the action of the reset spring. The application does not need external power, realizes "inserting and taking to locking", can effectively inhibit the inertial swing and vibration during the carrying process, prevents the wafers in the warehouse from being damaged due to knocking and has the advantages of simple structure, reliability, safety and high positioning precision.

The utility model relates to the technical field of ceramic products, concretely relates to an artistic ceramic ornament with hollow shape. The artistic ceramic ornament with hollow shape of the present application, including ceramic base, the ceramic base is rotatoryly installed with ornament body, the ornament body includes the rotation subassembly installed on the ceramic base, the rotation subassembly is installed with light assembly, the light assembly periphery is equipped with the decorative body, the decorative body with the rotation subassembly passes through the detachable connection of joint or screw thread connection mode, thereby the maintenance and cleaning are convenient, when the rotation subassembly drives the ornament body rotates, the light of light assembly emits in proper order and passes through the hollow part of decorative body and the first hollow hole equipped with on the ceramic base, thereby projects the light and shadow pattern that changes ceaselessly, dynamic on the desktop, greatly enhances artistic appreciation and visual impact.

The application discloses a valve core assembling equipment with a sealing function and a method thereof, and belongs to the technical field of valve core assembling, and comprises a control cabinet, a valve core feeding assembly for controlling valve core feeding being arranged at the top right side of the control cabinet. Through the above mode, the valve core is moved to a processing station through the valve core feeding assembly, and is moved to a standard hole and is inserted with the standard hole through the feeding transposition assembly, then the rotating table drives the valve core to move to the processing position of the combination mechanism, the combination mechanism assembles the rubber ring with the valve core, then the rotating table drives the valve core to move to the processing position of the closing assembly, the closing assembly extrudes and closes the opening at the top of the valve core, finally the valve core moves to the processing position of the discharging transposition assembly, the valve core is separated from the rotating table through the discharging transposition assembly, and the valve core is moved to the discharging plate and falls down, so that the collection is realized. The device realizes full-automatic operation, occupies a small volume, and has high use precision.

The invention discloses an indoor potting heterotrophic strengthening method and a device thereof, which are used for solving the problems of insufficient accumulated temperature and low photosynthesis efficiency of plants in an indoor environment by supplying organic carbon source steam to roots and preventing the conditions of excessive growth, small plants, weak vitality and high incidence of diseases caused by the problems.

The utility model provides a full -color adjustable light LED lamp drive control device relates to LED lamp drive control technical field, including the shell, the outside of shell is provided with convenient dismounting mechanism, and convenient dismounting mechanism includes quick -mounting shell, and the inside sliding joint of quick -mounting shell has quick -mounting block, and the front fixedly connected with the central controller of quick -mounting block, and the inner wall of quick -mounting shell is fixedly connected with first magnetic plate, first signal contact, first power contact and signal socket respectively, and the inner wall of quick -mounting block is fixedly connected with second magnetic plate, second signal contact and second power contact respectively. This full -color adjustable light LED lamp drive control device cooperates with each other through shell, quick -mounting shell, quick -mounting block, central controller, first magnetic plate, second magnetic plate, first signal contact, first power contact, signal socket, second signal contact, second power contact, battery and charging head, and the charging head can connect the external power cord and charge the battery, and the quick -mounting block can be inserted into quick -mounting shell.

This utility model discloses a liquid crystal panel moving testing fixture, belonging to the field of liquid crystal panel testing technology. The fixture includes a mounting platform, a guide rail fixed to the mounting platform, a probe holder slidably mounted on the guide rail, a removable elastic probe inserted into the probe holder, a clamping block that elastically presses a flexible circuit board against the rear end of the probe, and a mounting platform for supporting and fixing the liquid crystal panel. The front end of the probe is pressed against the detection point of the liquid crystal panel, and the other end of the flexible circuit board is connected to an external testing circuit via a piano cover, forming a quickly replaceable testing path. This utility model utilizes the cooperation between the elastic probe and the clamping block to achieve a highly reliable, low-contact-resistance electrical connection; the probe holder as a whole can move along the guide rail to adapt to different testing positions; the pluggable probe structure facilitates maintenance, significantly improving testing efficiency and reducing testing costs.

This application relates to the field of battery formation and capacity testing equipment technology, and discloses an intelligent control integrated machine and battery production formation and capacity testing equipment. The intelligent control integrated machine includes: a chassis, a bus backplane, a main control board, a control board, a data acquisition board, a communication board, and a power supply board. The main control board, control board, data acquisition board, communication board, and power supply board are all detachably plugged into the chassis, and when plugged into the chassis, they are respectively plugged into the bus backplane. In this application, when the main control board, control board, data acquisition board, communication board, and power supply board are plugged into the chassis and connected to the bus backplane, the connection of each functional board can be quickly and easily realized, reducing the complex wiring and connection between devices, improving the stability and reliability of the system, and reducing the space occupied by the entire control equipment.

The utility model discloses a spiral conveyor for dry-mixed mortar preparation relates to dry-mixed mortar preparation equipment field. This spiral conveyor for dry-mixed mortar preparation, including fixed shell and transmission shaft, the transmission shaft is inserted in the fixed shell inboard, the fixed shell is including lower tank shell, first upper cover shell and second upper cover shell, and the lower tank shell inboard is connected with the positioning kit, the first upper cover shell is located lower tank shell top, the second upper cover shell is located lower tank shell top, and the first upper cover shell and second upper cover shell are located positioning kit both sides. This spiral conveyor for dry-mixed mortar preparation adopts split type fixed shell design, including lower tank shell, first upper cover shell and second upper cover shell, is connected through fixed clamping strip and reinforcing bolt, is convenient for installation and dismounting, is favorable to the maintenance and overhaul of equipment, and spiral wing board is provided with multiple groups and can be combined into complete spiral push material board, when partial spiral wing board is damaged, only needs to replace the corresponding damaged component.

The utility model relates to the field of meter boxes, and discloses a direct-in meter box cost control switch convenient operation mechanism, which comprises a meter box body, a switch body is arranged in the meter box body, the inner wall of the meter box body is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a positioning block I, the outer wall of the rotating shaft is fixedly connected with a positioning block II, and the outer wall of the rotating shaft is fixedly connected with a positioning block II. A pressing block is fixedly connected to the outer wall of the first positioning block, a reset spring is arranged on the inner wall of the meter box body, and the outer wall of the reset spring is arranged on the inner wall of the pressing block. According to the utility model, the switch body is pulled outwards, then the first clamping block is driven by the switch body to move synchronously, and then the second clamping block is driven by the first clamping block to move synchronously, so that maintenance personnel can maintain or replace the switch body conveniently, meanwhile, large-scale disassembly and modification of the whole meter box body are avoided, the maintenance time is shortened, and the maintenance efficiency is improved. And inconvenience caused by power failure is reduced.