410results about How to "Work less" patented technology

The invention discloses a geological map-oriented breakpoint repairing and closed curve reconstruction method and system and a medium. The method comprises the following steps of: preprocessing an original geological map to obtain a grayscale image; carrying out binarization and morphological closed operation processing to obtain a grayscale image of the edge of the smooth contour curve; performing pixel skeletonization to obtain a pixel-level skeleton diagram; performing secondary edge extraction, connected domain marking and endpoint statistics on the pixel-level skeleton diagram, and screening out a non-closed curve and an endpoint set; carrying out nearest neighbor retrieval by adopting KD-Tree to obtain a candidate pairing set of each end point; performing priority pairing in combination with the spatial distance and the direction smoothness; and generating a transition line segment according to a pairing result to supplement the fracture part of the non-closed curve. According to the method, non-closed breakpoints generated by scanning or drawing errors in the geological map can be automatically restored, and a closed curve with topological integrity and a smooth boundary is generated.

The invention is suitable for the technical field of data processing, and particularly relates to a sensor data time synchronization error compensation method and device, and the method comprises the steps: obtaining the multi-sensor original data of a current frame, and extracting the multi-sensor feature data; obtaining an error estimation vector based on the error estimation network; performing error compensation on the multi-sensor original data to obtain multi-sensor compensation data; constructing a factor graph, and performing optimization solution on the factor graph to obtain a residual set; calculating a comprehensive quality score according to the residual set; according to the comprehensive quality score and the comprehensive quality scores of the first M frames, determining that a triggering condition is met, and triggering fine adjustment; and based on the multi-sensor original data, the multi-sensor feature data and the comprehensive quality score in the time window, performing fine adjustment on the model parameters of the error estimation network to obtain the error estimation network after fine adjustment. According to the method, more accurate compensation of time sequence errors and data distortion among multiple sensors is realized, and continuous self-adaptive optimization is realized.

The invention belongs to the technical field of internal combustion engine power devices, and discloses a double-piston mechanism for an internal combustion engine, which comprises a cylinder body, and more than one cylinder is arranged in the cylinder body; an air inlet seat and an air outlet seat are installed on the upper portion and the lower portion of the cylinder body respectively, an air inlet pipe and an air outlet pipe are arranged in the air inlet seat and the air outlet seat respectively, and an air inlet channel and an air outlet channel are arranged in the air inlet pipe and the air outlet pipe respectively. A control device for gas distribution is arranged at the corresponding position of each cylinder; a high-pressure oil pump is arranged outside the cylinder body, and the high-pressure oil pump is communicated with the oil sprayer through a high-pressure oil pipe; a piston assembly I and a piston assembly II are symmetrically arranged in each cylinder body, and a bevel gear set I and a bevel gear set II which are matched with the piston assembly I and the piston assembly II to transmit power are further arranged in each cylinder body. The power performance of the internal combustion engine can be improved through the two piston assemblies, the device is small in size and light in weight, and single-machine fuel consumption and operation cost are effectively reduced.

The utility model discloses an efficient energy-saving heating ventilation air conditioner pipeline connecting structure, and relates to the technical field of heating ventilation air conditioner pipelines, the efficient energy-saving heating ventilation air conditioner pipeline connecting structure comprises a first pipeline and a second pipeline, one end of the first pipeline is fixedly connected with a first butt joint seat, and one side of the first butt joint seat is provided with an annular butt joint groove; a second butt-joint seat is fixedly connected to one end of the second pipeline, an annular butt-joint plate is arranged on one side of the second butt-joint seat, a sealing cushion layer is fixedly attached to the side, away from the second pipeline, of the butt-joint plate, the butt-joint plate is matched and clamped with the butt-joint groove, and the sealing cushion layer abuts against the deep position in the butt-joint groove; four clamping grooves are formed in the outer side of the circumference of the first butt joint seat at equal intervals, four mounting grooves are formed in the outer side of the circumference of the second butt joint seat at equal intervals, and the size of the mounting grooves is matched with that of the clamping grooves. When a pipeline is connected and locked, a threaded fastener and a matched mounting tool are not needed, so that time and labor are saved, and the efficiency is higher.

The utility model relates to the technical field of transformer temperature controllers, in particular to a protective device for a dry-type transformer temperature controller, which comprises a protective shell and a cabinet door, a closing assembly is arranged in the protective shell and comprises a pair of fixing plates fixedly connected with the inner side wall of the protective shell, and the fixing plates are fixedly connected with the inner side wall of the protective shell. A guide rail is arranged in the fixed plate, a rotating rod is rotationally connected to the interior of the fixed plate and penetrates through the fixed plate, the rotating rod penetrates through the protective shell, a rotating plate is fixedly connected to one end of the rotating rod, and a first moving rod is rotationally connected to one end of the rotating plate; through cooperative arrangement of the fixing plate, the first moving column and the guide plate, opening and closing of the cabinet door are achieved, convenience is provided for a worker to adjust the temperature of the thermometer instrument panel body, damage caused by manual collision to the instrument panel can be avoided during closing, manual operation is not affected during opening, and the overall stability of the device outside is improved.

The present application relates to the technical field of shale gas sampling, in particular to a shale gas exploitation sampling device and method, the device comprises a box body and an inspection door, a filter box is arranged in the upper middle part of the box body, a low-temperature box is arranged in the lower middle part of the box body, an adsorption box is arranged in one end of the box body, a shunt pipe is arranged on the inner wall of the bottom end of the low-temperature box, a cooling mechanism for low-temperature water removal is arranged in the low-temperature box, a filtering mechanism for automatic filtering and automatic cleaning is arranged in the filter box, an adsorption mechanism for adsorption is arranged in the adsorption box, and a connecting mechanism for connecting a sampling pipeline is arranged in one end of the box body. The device can be suitable for sampling pipelines of different sizes and shapes, can ensure the firmness and sealing property of the connection, can automatically sample and purify different shale gases comprehensively, and can ensure the accuracy and sufficient amount of sampling.

This invention discloses a surgical field gimbal imaging device and method, relating to the field of medical auxiliary devices. The device includes a mounting base, a fixed column fixedly connected to one side of the mounting base, a columnar connecting groove on the side of the fixed column away from the mounting base, a connecting column inserted into the columnar connecting groove, and a connecting seat fixedly connected to the side of the connecting column away from the mounting base. A camera body is mounted on the other side of the connecting seat via a multi-directional rotation mechanism. Multiple limiting mechanisms are also included, used to limit the connection between the fixed column and the connecting column. Each limiting mechanism includes an L-shaped frame fixedly connected to the side wall of the fixed column. Compared to traditional imaging devices and head-mounted supports directly connected via multiple screws, this solution uses a connecting seat at the connection point. The connecting seat and the imaging device employ a simpler, detachable connection method, facilitating disassembly, inspection, and maintenance of the imaging device.

The utility model relates to the technical field of bubble generator, and disclose a kind of suspended underwater micro-nano bubble generator, including adjustable support mechanism, bubble generating mechanism and external protection mechanism;Bubble generating mechanism is by multistage water pump, inlet pipe, one-way water inlet valve, connecting pump, transport pump, high-speed rotary cutting nanometer bubble pump, conveying pipe and aeration head etc., and is connected by thread seal sleeve to realize pipeline sealing connection.Mainframe box is equipped with buoy, internal and external pressure monitoring sensor, can realize underwater suspension and pressure real-time monitoring.Adjustable support mechanism can adjust equipment installation height, and external protection mechanism is realized waterproof anti-collision protection by protective shell, sealing washer and protective fence.The device adopts multistage water pump to match double high-speed rotary cutting nanometer bubble pump, can accurately control fluid flow rate and pressure, generates bubble particle size uniform, dissolved oxygen efficiency is high, with the characteristics of intelligent control, anticorrosive durable, protective, suitable for water purification, aquatic ecological restoration etc.

The invention provides a multifunctional roundness measuring instrument for a mute ball bearing, which relates to the field of measuring instruments, and comprises a workbench, and a rotating support is rotatably connected to the left side of the top end face of the workbench; the transmission chuck is rotationally connected to the upper side of the inner end of the rotary support. The two driving auxiliary frames are arranged on the outer side of the rotating support in a left-right alignment and sliding mode. The positioning auxiliary mechanism is arranged between the driving auxiliary frame and the transmission chuck; the movable optical shaft is slidably connected to the right side of the top end face of the workbench. The movable bracket is arranged outside the movable optical axis in a vertical sliding manner; the fine adjustment bracket is hinged to the outer side of the lower end of the movable bracket; the protection auxiliary mechanism is arranged between the fine adjustment support and the sliding support, automatic clamping and positioning of the bearing are achieved, the frequency and workload of repeated labor of operators are relieved, and the positioning efficiency and the measuring efficiency of the bearing are improved; the problems that the repeated labor frequency and workload of operators are increased, and the positioning efficiency and the measuring efficiency of the bearing are affected are solved.

The application relates to a linkage switch structure of an elevator anti-falling device and relates to the technical field of elevator safety protection, which comprises a connecting guide rail, a tensioning mechanism and a switch mechanism, a plurality of groups of guide rail supports are connected to one side of the connecting guide rail, the tensioning mechanism and the switch mechanism are connected to one side of the connecting guide rail close to the guide rail supports, the switch mechanism is arranged above the tensioning mechanism, the tensioning mechanism comprises a tensioning wheel and a counterweight, and the back surface of the tensioning wheel is connected with a connecting back plate; the switch mechanism is installed to the middle part of a shaft by being moved upwards along the guide rail, so that the switch mechanism is not affected by the accumulated water in the shaft, the elevator operation safety is improved, the fine steel wire rope is linked with the tensioning device by being taut, when the speed of the car is abnormal, the fine steel wire rope cooperating with the speed limiter drives the tensioning wheel to move, the fine steel wire rope can drive the swing plate to rotate, so that the impact plate hits the switch contact, and the switch is triggered, so that the safety braking system is started.

The utility model discloses tremella planting spraying equipment which comprises a planting room, an installation frame is fixedly connected to the inner wall of the planting room, and a spraying assembly is arranged at the bottom of the installation frame. The spraying assembly comprises a sliding rail installed at the bottom of the installation frame, multiple sets of fixing frames are arranged on the bottom side of the sliding rail, sliding blocks are fixedly connected to the tops of the fixing frames, U-shaped frames are arranged at the two ends of each sliding block, rolling wheels are rotationally connected to the inner sides of the U-shaped frames, motors are fixedly connected to the top ends of the U-shaped frames, and hydraulic cylinders and telescopic frames are connected to the fixing frames. The telescopic frames are of an X-shaped cross rotating structure, the telescopic frames are longitudinally distributed at equal intervals, one end of the hydraulic cylinder is connected with the telescopic frames, the bottom of each telescopic frame is connected with a spraying pipe, and one side of each spraying pipe is connected with a threaded connecting pipe. According to the device, the positions of the spraying pipe and the spraying head can be adjusted, and the height of the spraying pipe and the height of the spraying head can be reduced so that a worker can conveniently conduct maintenance work.

The application belongs to the technical field of digitalization and intelligent application in nuclear power industry, and provides an intelligent diagnosis and compliance automatic checking system and method for maintenance regulations of a nuclear power plant, the system comprising a rule base management module, an intelligent analysis module, a rule engine module and a user interaction module, the method creating and maintaining a machine-readable rule base for checking maintenance regulations of a nuclear power plant, acquiring and analyzing a maintenance regulation file to be checked, generating a structured regulation object model, matching and evaluating the regulation object model with rules in the rule base, generating a diagnosis result set, displaying the diagnosis result set to a user, and providing interactive modification guidance.The application performs automatic and real-time compliance checking and logic diagnosis on maintenance regulations of a nuclear power plant, so as to replace most repetitive and rule-based manual review work with machine automatic checking.

The invention discloses a measurement and control method and a measurement and control device for preventing hydrogen sulfide corrosion of an oil well, and relates to the technical field of environmental protection. A stabilization method that a temperature sensor and a liquid level sensor are used for detecting the excessive amount of output zinc carbonate in the working environment of a medicament storage tank, a monitoring method that a 5G data transmission gateway is used for transmission and a central control system is used for monitoring the content of hydrogen sulfide are adopted, the injection amount of the medicament is comprehensively controlled and adjusted, and corrosion of hydrogen sulfide to the wall of an oil casing is prevented; corrosion and permeation to a gathering and transportation pipe network and equipment are prevented, the service life of the whole system from the well bottom to the gathering and transportation pipe network is prolonged, huge maintenance funds are reduced, and a new way for preventing hydrogen sulfide corrosion is developed for an oil field.

A protective structure for anti-buoyancy and scour protection of a riverbed tunnel includes a riverbed tunnel, a reinforcement layer, a protective layer, and a backfill layer. The reinforcement layer is installed along the extension direction of the riverbed tunnel, with its bottom extending into the arch of the tunnel and its width exceeding the two arches of the tunnel. The protective layer is installed above the reinforcement layer along the extension direction of the riverbed tunnel, and the backfill layer is installed above the protective layer, with its upper surface flush with the original riverbed elevation. The protective layer includes a protective plate and structural beams. The protective plate extends along the extension direction of the riverbed tunnel and its width is greater than that of the reinforcement layer. The structural beams are located on both sides of the bottom of the protective plate and embedded in the riverbed cushion layer. The riverbed tunnel is constructed from special tunnel segments, in which the diameter of the main reinforcing bars is larger than that of ordinary tunnel segments in other tunnel sections. This invention reinforces the riverbed soil and increases soil pressure, achieving anti-buoyancy and anti-scour capabilities during the construction and operation of the riverbed tunnel, ensuring safety.

The utility model discloses an axial flow heat radiation servo motor, comprising a casing provided with a cover, the cover is provided with a plurality of air holes, and the casing is rotatably connected with a rotating shaft; the stator assembly is in a circular ring shape and is connected into the machine shell. The rotor assembly is connected to the rotating shaft, the stator assembly surrounds the rotor assembly, and an annular air gap is formed between the rotor assembly and the stator assembly; and the cooling fan comprises an end seat and a plurality of fan blades, the end seat is in a circular ring shape, the end seat is connected to the end part of the rotor assembly, all the fan blades are distributed along the circumferential surface of the end seat, the fan blades are overlapped with the air gaps, the fan blades are overlapped with the air holes, the fan blades are bent towards the extension direction of the rotating shaft, and the fan blades are in central symmetry about the rotating surface of the end seat. The heat dissipation device is compact and reliable in structure, heat dissipation cost can be effectively saved, pertinence of fan blade operation heat dissipation is high, the energy utilization rate is high, heat dissipation efficiency is high, operation stability is high, and stable heat dissipation under the bi-directional rotation working condition can be guaranteed.

The utility model discloses a chain wheel with anti -unhinging structure belongs to chain wheel technical field, and chain wheel movable installation is in the middle part of pivot, the both sides of pivot are installed with the symmetrical support frame, the bottom of support frame is provided with the sleeve that sets up on the sleeve of pivot, is installed with locking ring on the sleeve screw thread, the top telescopic installation of support frame has the motion frame, and the detachable installation of motion frame has the crosspiece between, the both sides fixed of crosspiece are provided with the symmetrical deflector, this application can install support frame fast through the sleeve of both sides, and can adjust the angle of support frame according to actual demand freely. When locking ring rotates along the sleeve to the outside, locking ring locks the outside of sleeve. In the initial state, chain does not adhere with the crosspiece and deflector of top, when chain swings up and down, the crosspiece can buffer chain, avoids its swing amplitude too big and accidental drop, and this design improves the degree of freedom and work effect.

The application discloses a relay driving circuit, comprising a power module, a starting switch, a main control module and a switch module, the power module is used for providing stable working voltage for the system, the starting switch is used for outputting a starting signal of the relay, a control signal input end of the main control module is connected with the starting switch, the main control module is used for outputting a corresponding pulse driving signal according to the starting signal, an input end of the switch module is connected with a control signal output end of the main control module, an output end of the switch module is electrically connected with the relay, and the switch module is used for driving the relay to work according to the pulse driving signal. The switch module of the application can drive the relay to work according to the pulse driving signal, compared with the traditional relay directly driven by the switch, when the program of the main control module runs out of control or crashes, the pulse driving signal will stop outputting, thereby stopping driving the relay and making the load stop working, and further preventing the household appliance from burning or the occurrence of safety accidents.

This invention discloses an ionization power supply assembly and a power control method. The ionization power supply assembly includes an insulating base, a voltage multiplier rectifier, a first discharge needle assembly, a second discharge needle assembly, and a discharge orifice plate. The first and second discharge needle assemblies extend through the voltage multiplier rectifier and into the insulating base, with one side of the insulating base contacting one side of the voltage multiplier rectifier. A discharge orifice plate is provided at one end of the insulating base. The first discharge needle is electrically connected to the high-voltage output terminal of the positive polarity voltage multiplier plate, and the second discharge needle is electrically connected to the high-voltage output terminal of the negative polarity voltage multiplier plate. The ionization assembly is fixed to one end of a drift tube, sealing the drift tube. The discharge needles are connected to the internal gas path of the drift tube and are sealed to the insulating base and the voltage multiplier rectifier. This invention enables the ionization of air to generate an ion source with controllable polarity and duration. The ions generated by polarity conversion maintain the same polarity as the drift electric field, and the ionization intensity and ionization time are controllable.

The utility model relates to the technical field of cleaning equipment, and provides a shielding structure and a cleaning robot, which comprise a support part, a shielding layer and a driving unit. The support part is arranged at an opening position of a cleaning unit of the cleaning robot, the shielding layer is connected to the support part, and the driving unit is connected with the support part to drive the support part to be switched between a first position state and a second position state. According to the scheme, through the combined design of the support part and the shielding layer, the cleaning unit can be effectively shielded when the robot passes through an area which does not need to be cleaned, and the situation that the cleaning unit secondarily pollutes the ground or interferes with objects on the ground is prevented. When the floor is cleaned, the shielding layer can be folded, so that the cleaning unit can work normally, and when the floor passes through an area which does not need to be cleaned, the shielding layer is unfolded, so that the area which does not need to be cleaned and the cleaning unit are protected. Meanwhile, the occupied space is smaller after the folding structure is folded, and miniaturization of the cleaning robot is facilitated.

This invention provides an antenna vibrator assembly, including a cable and a connector assembly. The cable consists of a non-metallic portion and a metallic portion, with the metallic portion connected to the connector assembly. A conductive layer is disposed within the metallic portion. This invention uses a cable as the main body of the vibrator assembly, which can still function normally after being bent 90 degrees multiple times, making it convenient to carry.

The application relates to a silica gel tube automatic assembling equipment, and relates to the silica gel tube assembling technical field.The equipment comprises a conveying mechanism, a glue applying mechanism and an assembling mechanism, the glue applying mechanism and the assembling mechanism are sequentially arranged on the same side of the conveying mechanism, the conveying mechanism is used for loading and transporting silica gel tube one, the glue applying mechanism is used for applying glue to the outer side wall of one end of the silica gel tube one, and the assembling mechanism is used for inserting silica gel tube two with the silica gel tube one; the assembling mechanism comprises a fixing assembly and an inserting assembly, the fixing assembly is arranged on one side of the conveying mechanism to fix the silica gel tube one, the inserting assembly is arranged on the side, away from the conveying mechanism, of the fixing assembly, and the inserting assembly is used for inserting the silica gel tube two to the silica gel tube one. The application has the effect of improving the assembling efficiency of the silica gel tube.

The utility model discloses a line sweep light source of high heat dissipation performance relates to the technical field of detection light source. Line sweep light source of high heat dissipation performance includes base, light emitting component and heat dissipation component, base includes seat body, heat dissipation block and mounting block, seat body is provided with accommodating cavity, light emitting component and heat dissipation component, a plurality of mounting blocks are arranged along first horizontal direction interval arrangement setting, the second mouth is formed between adjacent mounting block and is defined, the first mouth is set up along the second horizontal direction through setting of heat dissipation block, and a plurality of first mouths are distributed along first horizontal direction interval, a plurality of heat dissipation blocks are arranged along second horizontal direction interval, the air between the adjacent two heat dissipation blocks can flow to the plurality of mounting blocks and the heat dissipation block adjacent to the plurality of mounting blocks through the first mouth, and then flows out from the second mouth, improve the flowability of air, reduce the distance required for the air between the adjacent two heat dissipation blocks to flow outward.

The application discloses an aluminum cover forming method and an aluminum cover and relates to the technical field of aluminum cover manufacturing. The aluminum cover forming method comprises the following steps: S1, placing an aluminum plate into an initial forming die, and forming a macro-domain large curved surface in the middle of the aluminum plate and an initial foot position with the same height as a required foot position on the circumferential edge of the aluminum plate through the extrusion force of a press machine and the initial forming die; S2, placing the aluminum plate preliminarily formed in S1 into a final forming die, and further forming the macro-domain large curved surface formed in the middle of the aluminum plate into a final shape at room temperature through the final forming extrusion pressure of the press machine, and flowing and filling the edge cavity of the final forming die to form an edge through the extrusion of the final forming die, and forming a final foot position shape through the extrusion of the initial foot position; and S3, opening the die to take out the formed aluminum cover. The production of the large-size foot position height aluminum cover can be realized at room temperature, the energy consumption is low, and the aluminum cover is simple and convenient to manufacture.

The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.

The invention provides a coal water slag metering device based on a crushing mechanism. The coal water slag metering device comprises a metering device body, and a motor is mounted on the metering device body; the metering device body is further provided with a flow adjusting hand wheel. A detection pipe is fixedly connected to an opening in one side of an output pipe of the metering device body, a particle sensor is fixedly connected to the top end of the detection pipe, and a smashing mechanism is fixedly connected to an input pipe of the metering device body. Through the arrangement of the protective cover, the cooling fins, the inlet and outlet pipe, the rotating machine core, the crushing motor, the roller ball sleeve and the grinding roller ball, large-particle coal slag in coal slurry can be prevented from entering the metering device, and normal work of the metering device is guaranteed.

The utility model relates to the technical field of flow meters, in particular to a wear-resistant polyurethane ceramic flow meter which comprises a flow meter shell and an elastic lining body clamped and embedded in the flow meter shell, and a plurality of wear-resistant ceramic blocks are arranged in the elastic lining body. Any ceramic block is provided with a dovetail anti-falling block used for preventing the ceramic block from being abraded and falling off, by means of the arrangement of the elastic lining body clamped and embedded in the flow meter shell, a high-speed mixed medium is prevented from directly impacting the flow meter shell, meanwhile, by means of the arrangement of the ceramic blocks in the elastic lining body, the abrasion resistance of the flow meter is improved, and the service life of the flow meter is prolonged. The design of the dovetail anti-falling block on the ceramic block is utilized, the dovetail anti-falling block and the elastic lining body form a mutual embedding structure, and when the flowmeter is impacted and abraded by a high-speed mixed medium, the dovetail anti-falling block can effectively prevent the ceramic block from falling off from the elastic lining body due to impact and abrasion; it is ensured that the flow meter continuously and accurately meters fluid of a high-speed mixed medium, and the service life of the flow meter is prolonged.

The invention relates to the technical field of rail conveying equipment, in particular to a rail guide vehicle for conveying fatty acid raw materials, which comprises a guide rail and a rail vehicle mechanism running along the guide rail, and further comprises a support mechanism, a guide rail, a guide rail and a guide rail, the hopper mechanism is hinged to the support mechanism through a hinge shaft and used for containing and conveying raw materials, a heating jacket is arranged outside the hopper mechanism, and a plurality of electric heating pipes are arranged in the heating jacket; and the self-adaptive hinge damping mechanism is arranged at the hinge shaft. According to the rail car, the conveying hopper is hinged to the car frame, and the self-adaptive hinge damping mechanism is arranged, so that the conveying hopper can adjust the posture in a self-adaptive mode when the rail car is started and stopped or passes through a ramp, meanwhile, the self-adaptive hinge damping mechanism can effectively absorb the inertia moment, the shaking and splashing risks of internal viscous liquid are greatly reduced, and the safety of the rail car is improved. And the damping force can be adaptively adjusted according to the load of the hopper mechanism, so that the swinging of the conveying hopper can be quickly inhibited.

The utility model relates to the technical field of bag-type dust removers, and discloses a bag-type dust removal connecting structure which comprises a first connecting ring, two connecting blocks are fixedly connected to the inner wall of the first connecting ring, an expansion ring is fixedly connected to the left side of the first connecting ring, and a convex ring is fixedly connected to the left side of the first connecting ring. A second connecting ring is detachably connected to the left side of the first connecting ring, a sealing groove is formed in the second connecting ring, a plurality of first springs are fixedly connected to the inner wall of the sealing groove, sealing rings are fixedly connected to the right sides of the first springs, and a clamping ring is fixedly connected to the interior of the second connecting ring. According to the utility model, dust-containing gas can be effectively prevented from escaping, the clean and safe working environment is guaranteed, the harm of dust to the health of personnel and the surrounding environment is greatly reduced, the stable airflow and pressure environment in the bag-type dust collector can be maintained, the efficient development of dust collection operation is ensured, and the reliable operation cycle and the service life of equipment are prolonged in an assisting manner.

The utility model discloses a kind of smell extraction machines of smell source, including extraction host computer, the extraction host computer includes: shell, its bottom is open;Bottom cover, detachably capped in the shell bottom;Extraction system, housed in the shell, and fixed in the top of the shell;Wherein, the extraction system and the bottom cover between form heat dissipation space, the shell at least one side wall corresponding the heat dissipation space is equipped with heat dissipation hole.The utility model uses above-mentioned structure, can be easily disassembled and overhauled and extraction system, and effectively improve heat dissipation capacity.