5281 results about "Bellows" patented technology

A pump comprising a fluid end comprising a bellows housing having an interior volume, a power end, a reciprocating element, a bellows disposed at least partially within the bellows housing and dividing the interior volume of the bellows housing into a first volume interior to the bellows and a second volume exterior to the bellows, suction valve(s) fluidly coupled to the second volume of the bellows housing. and discharge valve(s) fluidly coupled to the second volume of the bellows housing. The suction valve(s), the discharge valve(s), or both the suction valve(s) and the discharge valve(s) comprise a redundant valve including at least two of said valves, such that, during normal operation, one of the at least two said valves of the redundant valve is open / online while another of the at least two said valves of the redundant valve is closed / offline.

Vibration in a drill string is damped with a damping system coupled to the drill string. The damping system includes a chamber, a gas and piston in the chamber, and a mass connected to the piston. The gas defines a spring having a spring coefficient that is dependent on a volume or temperature of the chamber. The damping system is tunable in real-time by varying the volume or temperature of the chamber. In alternatives with multiple chambers interconnected to one another via ports, chamber volume at the existing pressure can be varied by selective actuation of valves between the chambers or the pressure of the gas can be varied by compressing or expanding a connected bellows or by heating or cooling the temperature of the gas. The damping system can selectively damp both radial and torsional vibrations.

The invention relates to the field of corrugated pipe connection, in particular to a corrugated pipe mechanical sealing device which comprises a mounting frame and a smearing mechanism arranged on the mounting frame, the smearing mechanism comprises a first arc plate and a second arc plate which are arranged below the mounting frame, and the first arc plate and the second arc plate can form a circular ring; a first arc-shaped toothed plate is slidably mounted on the first arc plate, a second arc-shaped toothed plate is slidably mounted on the second arc plate, the first arc-shaped toothed plate and the second arc-shaped toothed plate can form a toothed ring, the axis of the circular ring is the same as that of the toothed ring, the toothed ring can rotate on the circular ring, and a spraying head facing the corrugated pipe is mounted on the first arc-shaped toothed plate. The mounting frame is fixedly connected with a sealant storage box, the sealant storage box is connected with the spraying head through a conveying pipe, the conveying pipe is provided with a conveying pump, and the mounting frame is provided with a driving part used for driving the first arc plate and the second arc plate to be close to each other or away from each other. The problem that the connecting efficiency of the corrugated pipe is low is solved.

The invention belongs to the technical field of semiconductor manufacturing, and discloses a sucking and releasing mechanism and production equipment. The suction and release mechanism comprises a shell, a hollow shaft rotating motor, a first connecting piece, a corrugated pipe, a second connecting piece, a ventilation shaft, a flexible adapter, a suction nozzle and an inductor. According to the suction and release mechanism provided by the invention, the suction nozzle can be buffered by utilizing the axial telescopic characteristic of the corrugated pipe, and the corrugated pipe also has the characteristic of circumferential high rigidity, so that the angle of the suction nozzle cannot deviate after rotation, and the suction nozzle cannot shake in the rotating process; compared with the mode that the suction nozzle is driven to rotate through a structure composed of a pin hole and a pin shaft in the prior art, the problems of rotation angle deviation and suction nozzle shaking caused by a gap are thoroughly solved, and the accuracy and the placement precision of the product placement position are remarkably improved.

The invention relates to the technical field of corrugated pipe detection, and discloses a corrugated pipe defect rapid detection method and device.The corrugated pipe defect rapid detection method comprises the steps that physical state information of a corrugated pipe is obtained, and physical parameters of the corrugated pipe are collected at different time frequencies through a multi-parameter sensing network; a corrugated pipe multi-time scale physical parameter data matrix is generated; the corrugated pipe multi-time-scale physical parameter data matrix is converted into unified tensor representation, a multi-scale tensor set is generated through wavelet transform, and correlation strength between different scales is calculated; according to the method, a brand new technical path is provided for the field of corrugated pipe defect detection through the space-time physical multi-scale mapping technology, advanced prediction and accurate diagnosis of corrugated pipe defects are achieved by establishing the mapping relation from microscopic physical changes to macroscopic defect expressions, effective technical guarantee is provided for safe operation of corrugated pipes, and the method is suitable for popularization and application. And a remarkable economic value is created.

The invention discloses a sulfur hexafluoride gas purifying and filtering device, belongs to the technical field of sulfur hexafluoride gas filtering, and aims to solve the problems that the impact force of gas input into a tank body is relatively strong, the filtering efficiency and the filtering effect are relatively poor, and water in gas needs to be transferred to other equipment for treatment when being separated. A filtering mechanism for conveniently filtering gas is arranged in the gas filtering tank, and a water removal mechanism for conveniently separating water contained in the gas is arranged in the gas filtering tank. According to the sulfur hexafluoride gas purifying and filtering device, the air bellow is connected to the inner end of the air inlet pipe arranged above the filtering mechanism, the hedging air pipes are arranged on the two sides of the air bellow, and the air outlet ends of the hedging air pipes are oppositely arranged; therefore, speed reduction of the high-speed gas is achieved through hedging.

To provide a generator having a highly efficient power generation, which has a rotating shaft drive unit with a novel structure in which the rotating shaft is rotated by the force of water (hydraulic force). SOLUTION: A generator main body 10 that obtains electrical energy by electromagnetic induction between a coil and a magnet has a rotating shaft 1 that drives the coil or the magnet, and a rotating shaft drive section consisting of a pair of bellows pump chambers 21, 22 and a pair of piston chambers 31, 32. Pistons 33, 34 are provided in the piston chambers, respectively, and each piston is connected to the rotating shaft 1 by crankshafts 35, 36 so that when one rises, the other falls, and the up and down movement of these pistons rotationally drives the rotating shaft.

The invention discloses a deformation and bearing integrated modular rope-driven flexible mechanical arm and a self-sensing method thereof.The flexible mechanical arm comprises a driving mechanism and a variable-rigidity flexible mechanical arm body, the variable-rigidity flexible mechanical arm body comprises a rope, a corrugated pipe and elastic units, and the multiple elastic units are filled in an inner cavity of the corrugated pipe; the corrugated pipe is provided with a rope guide hole extending in the axial direction of the corrugated pipe, one end of the rope is fixedly connected with the power output end of the driving mechanism, the other end of the rope penetrates through the rope guide hole and is fixedly connected with the corrugated pipe, and when the driving mechanism works, the rope can be driven to move, and then the mechanical arm is pulled to deform. The flexibility of the mechanical arm is improved through fusion of active deformation and a bearing function, additional rigid structure supporting is not needed, and the overall design is simplified; and the bearing capacity and rigidity are adaptively improved through blocking of the elastic units, and the complexity of the driving system is reduced. Meanwhile, the mechanical arm is provided with a self-sensing system, the state of the mechanical arm can be monitored in real time, and the control precision is improved.

The invention discloses an anti-condensation device of a powder grinding and selecting machine for cement processing, and belongs to the technical field of cement processing devices. A powder grinding and selecting machine anti-condensation device for cement processing comprises an air bellow, a crushing box communicated with the air bellow is fixedly installed on the surface of the top end of the air bellow, a powder grinding and selecting box communicated with the crushing box is fixedly installed on the surface of the top end of the crushing box, a circular truncated cone column is fixedly installed in the powder grinding and selecting box, and a lower disc is fixedly installed on the surface of the circular truncated cone column. An upper disc sealed with the inner wall of the powder grinding and selecting box is fixedly mounted above the lower disc; and a plurality of rotatable outer air guide blades are arranged between the lower disc and the upper disc. Compared with a traditional fixed blade, the anti-condensation device of the powder grinding and selecting machine for cement processing has the advantages that the adjustable air guide blade enables air flow to flow evenly, powder selecting efficiency is improved, backflow of cement fine powder materials is avoided, abrasion to the inner air guide blade and the outer air guide blade is reduced, the service life of the air guide blade is prolonged, and the service life of the powder grinding and selecting machine is prolonged. And the noise is reduced due to uniform airflow flowing.

The utility model discloses a coke quenching car track cleaning device which comprises a coke quenching car. A frame plate is welded to the bottom of the coke quenching car, a vertical rod is welded to the bottom of the frame plate, a scraper is arranged on the surface of the vertical rod, the bottom of the frame plate is rotationally connected with a rotating rod through a supporting rod, and the top of the frame plate is fixedly connected with a motor through a bolt. The coke quenching car drives the frame plate and the vertical rod to move, dust on the surface of a steel rail can be blown away through matched use of the air blowing bellows and the air blowing nozzles, meanwhile, the vertical rod drives the scraper to clean the dust on the surface of the steel rail, when the coke quenching car stops, the control box controls the motor to be started, and then the rotating rod drives the transverse rod and the sleeve plate to rotate. Therefore, dust attached to the surface of the scraper is removed by the brush head, and the purposes of driving the blowing nozzle and the scraper to clean the steel rail through the movement of the quenching car, cleaning the scraper when the quenching car is static and further guaranteeing the rail cleaning effect are achieved.

The invention relates to the technical field of cable connectors, and discloses a cable connector applied to a new energy electrical cabinet, which comprises a first joint structure capable of being connected with a corrugated pipe, one side of the first joint structure is provided with a second joint structure capable of forming a sealing structure with an embedded pipe, and the first joint structure comprises a first joint main body; a first inner connecting pipe is arranged at one end of the first connector body, a pressing nut is connected to the first inner connecting pipe in an external thread mode, a limiting ring is arranged on the inner circumferential face of the pressing nut, and a hose inner cup is inserted into the first inner connecting pipe and comprises a bent part capable of being inserted into the first inner connecting pipe. One end of the bending part is connected with an outer edge located between the limiting ring and the first inner connecting pipe, the other end of the bending part is connected with a mounting pipe capable of being inserted into the corrugated pipe, the mounting pipe is located in the outer edge, and a first clamping ring located between the outer edge and the limiting ring is arranged in the pressing nut; the electric cabinet has the effect of improving the sealing connection effect between the cable and the electric cabinet.

The utility model discloses a novel efficient energy storage air cooling air conditioning system which comprises a compressor, a three-phase heat exchanger I, a three-phase heat exchanger II, an outer fan, an inner fan, a capillary tube, a water pump, an expansion kettle, a drying tank and an air bellow. A first cavity and a second cavity which are independent are formed in the air bellow, an inner fan and a three-phase heat exchanger II are arranged in the first cavity, and an outer fan and a three-phase heat exchanger I are arranged in the first cavity; on the basis, a refrigerant circulation system and a cooling water circulation system are constructed. According to the air cooling system, the refrigerant circulation system or the cooling water circulation system can be selected to work in time according to the temperature of the external environment and the return air temperature of the air bellow, so that the heat dissipation requirement of the air cooling system under the condition that the environment temperature is high can be met, and meanwhile the use frequency of the compressor is reduced when the environment temperature is low; power consumption is reduced and system efficiency is improved.

A valve on which a valve plate is arranged in a valve housing interior space of a valve housing and fixed to a shaft, in which the valve plate together with the shaft can be displaced back and forth in directions parallel to a shaft longitudinal axis between a closed position and an intermediate position, and by rotation of the shaft about the shaft longitudinal axis can be pivoted back and forth between the intermediate position and a maximum open position. A shaft leadthrough for sealing the shaft with respect to the valve housing has a bellows which can be expanded and pushed together in the directions parallel to the shaft longitudinal axis, a first bellows end of this bellows being fixed to the valve housing, and a shaft sealing ring in which the shaft is rotatably mounted, being arranged on a second bellows end.

The invention relates to the technical field of air tightness detection, and particularly discloses a corrugated pipe air tightness efficient detection device which comprises a box body and a control console, the upper interior of the box body is divided into a water immersion detection area and a transmission assembly area by a partition plate, and a rotary drum and a cylinder which are axially aligned are arranged in the water immersion detection area and the transmission assembly area respectively; a disc connected with the rotary drum is rotationally arranged in the partition plate, one end of the rotary drum is connected with a driving assembly, a transparent glass plate is arranged on the side wall of the lower end of the water immersion detection area, and a CCD camera right facing the transparent glass plate is arranged on the outer side of the box body; according to the corrugated pipe air tightness efficient detection device, the rotary drum serves as a rotary carrier, whether bubbles are generated on the surface of the corrugated pipe or not is captured through the CCD camera, and then the air tightness of the corrugated pipe is judged according to whether the bubbles exist or not; the whole detection device realizes continuous and automatic detection of the air tightness of the corrugated pipe, and greatly improves the detection efficiency of the air tightness of the corrugated pipe.

The invention discloses a salt-containing waste gas and waste liquid incinerator system and a control method thereof.The system comprises a vertical incinerator, the vertical incinerator comprises a combustor and an incinerator body which are vertically arranged in sequence from top to bottom, and the combustor is connected with a waste liquid pipeline, a natural gas pipeline and a first waste gas pipeline; a secondary combustion-supporting air annular air bellow, a primary cooling air annular air bellow and a secondary cooling air annular air bellow are sequentially arranged on the furnace body part from top to bottom, and the upper area of the primary cooling air annular air bellow on the furnace body is an incineration area; the area between the upper area of the secondary cooling air annular air bellow on the furnace body and the primary cooling air annular air bellow is a primary cooling area; and the lower area of the secondary cooling air annular bellows on the furnace body is a secondary cooling area. According to the incinerator system, aiming at various waste gases and salt-containing waste liquids, the incineration system can be automatically controlled, molten salt blockage is avoided, nitrogen oxide emission during operation of the whole incineration system can reach 30 mg / Nm < 3 > or below, and energy conservation and environmental protection are achieved.

The invention discloses a polytetrafluoroethylene compensator with good corrosion resistance and a preparation method thereof.The polytetrafluoroethylene compensator is composed of a corrugated pipe, a pipe connecting flange and an end flange, the pipe connecting flange and the end flange are located at the two ends of the corrugated pipe, the corrugated pipe is composed of a lining layer and a base material layer, and the base material layer is made of stainless steel; the preparation method comprises the following steps: firstly, carrying out surface grafting on nano aluminum oxide by using isocyanate silane, and introducing an active reaction group; then part of active groups react with benzotriazole, so that the corrosion inhibition and adhesion enhancement functions are realized; finally, enabling the residual active groups to react with hydroxylated polytetrafluoroethylene activated by alkali treatment, and coating a chemical inert layer on the surface of the residual active groups; the obtained core-shell structure functional filler is dispersed in epoxy resin to prepare a coating, and after the coating is coated on a stainless steel base material and cured, a high-performance compensator with high hardness, strong adhesive force, excellent corrosion resistance and weather resistance is formed.

The invention provides an innovative design of a corrugated pipe damper integrated on a sliding main bearing aiming at the problems of transmission system abrasion and fatigue damage caused by vibration energy accumulation of the wind power main bearing under a complex wind load, and belongs to the technical field of wind power generation equipment. A traditional main bearing damping structure is low in energy absorption efficiency, insufficient in dynamic response and difficult to effectively suppress vibration. Through collaborative design of a corrugated pipe multi-stage laminated structure and a fluid energy dissipation channel, a composite mechanism for dynamically dissipating vibration energy is formed. The core of the damping device is composed of a corrugated pipe assembly, damping cavities and a main shaft adaptive structure, impact energy is absorbed through axial flexible deformation of the corrugated pipe, vibration attenuation is achieved in combination with reciprocating flowing of damping fluid in the multiple cavities, and low-frequency swing and high-frequency harmonic waves of a main bearing are synchronously restrained. According to the design, the bearing capacity is guaranteed, vibration transmission is remarkably reduced, the service life of the main bearing is effectively prolonged, the operation reliability of a unit is improved, and the damping requirement of a core transmission system of a high-power wind turbine generator is met.

The invention discloses a glass printing device based on a UV imprinting technology, relates to the field of glass printing, and solves the problem that an existing glass printing device is difficult to take out a glass plate finished product large in size and thin. The glass printing device comprises a device base and a driving table installed at the top of the device base, and an air exhaust air bellow is installed on the inner side of the driving table; a containing table is installed at the top of the air exhaust air box, a plurality of air suction holes are formed in the top of the containing table, a UV stamping machine is installed at the top of the device base, and a film covering roller set is installed on the outer side of the UV stamping machine. The plate lifting mechanism is used for lifting the processed glass plate upwards, the plate lifting mechanism is mounted on the inner side of the placing table, and the plate lifting mechanism comprises four top plates arranged at the top of the placing table; by means of the plate lifting mechanism, the top plate lifts the machined glass plate, the long and thin glass plate can be machined conveniently, and therefore the effects of stable coining and convenient material taking are achieved.

A centrifugal pump shutdown sealing device based on axial thrust comprises a pump cover (1) and an annular plate (11), an inner cylinder (3) and an outer cylinder (5) are connected between the pump cover and the annular plate in a sealed mode, an inner corrugated pipe (4) and an outer corrugated pipe (8) are welded between the sections of the inner cylinder and between the sections of the outer cylinder respectively, a water injection port (6) is formed in the outer cylinder, and a guide rod (7) penetrates through the annular plate and is fixedly connected to the pump cover. The right end of the guide rod is sleeved with a spring (10) and screwed with an adjusting nut (11), the left side of the annular plate is connected with a rubber annular plate (13), a shaft sleeve (14) is fixed to the pump shaft, and the rubber annular plate can be attached to the right end face of the shaft sleeve. The sealing device has the advantages that all the components are installed on the pump cover, the load of the pump shaft is reduced, unbalanced force cannot be generated on the pump shaft, the sealing device is not prone to being damaged when the machine stops, and no adverse effect is generated on the pump shaft. When the centrifugal pump works, the rubber ring plate on the ring plate is separated from the shaft sleeve, and when the centrifugal pump stops, the rubber ring plate is tightly attached to the shaft sleeve.

A motor vehicle disk brake has a sleeve which is manufactured from elastomer for the purpose of sealing a gap between the bolt and the brake holder. The sleeve has ribs lying against the bolt. The ribs are arranged parallel to the axis of the bolt and are odd in number. A release operation of the motor vehicle disk brake is assisted by the sleeve.

The utility model belongs to the technical field of additive manufacturing, and discloses an air outlet mechanism and additive manufacturing equipment. The air outlet mechanism comprises an air inlet assembly and a rectifying part, the air inlet assembly comprises an air inlet channel, one end of the air inlet channel is connected with an air source, and the other end of the air inlet channel is communicated with an air bellow; the rectifying part is arranged in the air inlet channel and is perpendicular to the air inlet direction in the air inlet channel, a first hole set and second hole sets located on the two sides of the first hole set are formed in the rectifying part, the hole diameter of the first hole set is larger than that of the second hole sets, and air entering the air inlet channel from the air source enters the air bellow after passing through the first hole set or the second hole sets. The air speed of the air close to the pipe wall of the air inlet channel is higher, the second hole set with the smaller hole diameter is arranged to rectify the part of the air, the air flowing through the rectifying piece is uniform in overall air speed, and therefore the quality of a printed piece is improved.

The utility model relates to the technical field of vacuum gas quenching furnaces, and discloses a circulating heat exchange type vacuum gas quenching furnace which comprises a vacuum gas quenching furnace body, a set of connectors are arranged on the outer wall of the vacuum gas quenching furnace body, circulating pipes are connected to the outsides of the connectors, a water cooling tank is connected to one end of each circulating pipe, and a flow dividing air bellow is rotationally installed on one side of the interior of the water cooling tank; a plurality of heat exchange pipes are arranged on the inner wall of the flow dividing air bellow in the circumferential direction at equal intervals, the ends, away from the flow dividing air bellow, of the heat exchange pipes are connected with an air bellow, a sealing plate is rotationally installed on the other side in the water cooling tank, and a three-way air pipe is arranged outside the sealing plate. The workpiece is placed in the vacuum gas quenching furnace to be heated in advance, a proper environment is provided for heat treatment of the workpiece, cold air is divided through the multiple heat exchange pipes, the heat exchange efficiency is improved, the bevel gear rotates to drive the sealing plate, the air box and the heat exchange pipes to rotate, the multiple heat exchange pipes make full contact with cooling liquid, the heat exchange uniformity is improved, and the heat exchange efficiency is improved. And the workpiece cooling effect is ensured.

The utility model discloses a hardware mold punching device, and relates to the field of hardware mold processing technology. The utility model includes a device body, a hydraulic rod and a bellows are respectively installed on the upper part of the inside of the device body, the output end of the hydraulic rod is connected to a mounting frame, piston rods extending to the inside of the bellows are installed on both sides of the top of the mounting frame, and the utility model is provided with a bellows, an air duct, an annular tube, a semiconductor refrigeration sheet, a piston rod and a piston plate, when the hydraulic rod pushes the mounting frame to move downward, the piston rod will pull the piston plate to move downward, and then the outside air will enter the bellows along the nozzle, the annular tube and the air duct, and the semiconductor refrigeration sheet will cool the air, and after the punching is completed, the hydraulic rod drives the mounting frame to move upward, so that the piston rod pushes the piston plate to move upward, and the cold air in the bellows is blown to the punching head through the air duct, the annular tube and the nozzle, so as to cool the punching head.

An accumulator includes: an exterior body including a bottom, a shell and a port; and a bellows provided inside the exterior body and having an S-shape being capable of expansion and contraction. In a case where the bellows has expanded maximally in the accumulator, the bellows has expanded from a free state where no load other than gravitational force is being applied to the bellows.

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.

The utility model relates to the technical field of kitchen equipment, and discloses a range hood with a flow guide part, which comprises a smoke collecting cavity, an air bellow and the flow guide part, the air bellow comprises an air bellow body arranged at the top of the smoke collecting cavity and a fan arranged in the air bellow body, a main air inlet is formed at the rear end of the fan, and an auxiliary air inlet is formed at the front end of the fan. The draught fan is provided with an air outlet with an opening facing one side of the top of the air bellow body, the flow guide piece is located in the air bellow body and arranged at the corner, away from the air outlet, of the rear end of the main air inlet, the flow guide piece is provided with an air guide plate which forms an angle with the plane where the main air inlet is located, and a plurality of first silencing holes are formed in the air guide plate at intervals. According to the air bellow, the flow guide part is arranged in the air bellow body, so that oil smoke airflow can be guided to mainly enter the fan from the main air inlet of the fan, the oil smoke airflow flowing to the auxiliary air inlet is reduced, vortex airflow is pressed, the smoothness of the oil smoke airflow is improved, the air inlet effect and the air inlet efficiency are improved, and noise is reduced.

The utility model provides a bag filling machine, and belongs to the technical field of bag filling machines. A telescopic corrugated cylinder is arranged on the mounting table; the top of the telescopic corrugated cylinder is connected with a feeding box, and the bottom is connected with a bag fixing cylinder; the feeding box is fixed on the mounting table; a feeding port is formed in the top of the feeding box, and a slidable material blocking plate is arranged in the feeding box. Two packaging bag opening fixing mechanisms are symmetrically arranged on the side face of the bag fixing barrel. The telescopic corrugated cylinder is driven by an air cylinder to stretch out and draw back. The telescopic corrugated cylinder is arranged, the length of the discharging pipeline can be adjusted through the air cylinder installed on the installation table and the bottom connecting plate connected to the bottom of the telescopic corrugated cylinder so as to meet the filling requirements of packaging bags of different sizes, and the applicability of the device is improved.

The present application discloses a single-channel air conveying device for cans, and relates to the technical field of can conveying devices, which includes a machine body; a guide portion, which is mounted on the machine body; two channel plates, which are mounted on the machine body, arranged oppositely, and located below the guide portion, and the ends of the cans are opposite to the channel plates; a conveying path, which is located in the space formed by the two channel plates, for the cans to move in a single row, and the position of the channel plate facing the conveying path is provided with a first air hole inclined to the conveying direction of the conveying path; a bellows, which is mounted on the machine body, located on both sides of the channel plate, and is connected to the air outlet duct of the fan, and is used to blow air to the first air hole; a second air hole inclined upward is provided at the position of the middle part of the channel plate facing the guide portion, and the bellows is connected to the second air hole to blow the cans at the second air hole upward; and the conveying path passes above the second air hole. The present application has the function of realizing the function of converting a multi-channel can air conveying line to a single channel and improving the conveying efficiency and conveying quality.

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a power transformer heat dissipation device with an alarm function, which comprises a protection assembly, an adjusting device is mounted in an inner cavity on one side of the protection assembly, a heat dissipation assembly is mounted on the adjusting device, and the adjusting device can drive the heat dissipation assembly to slide up and down in the height direction of the protection assembly. The heat dissipation assembly can slide up and down in the shell through cooperation of a linear motor sliding rail and a linear sliding block, a corrugated pipe is arranged on the heat dissipation assembly in a communicating mode, and the exhaust end of the corrugated pipe is movably arranged in a hole formed in the intersection position of sliding holes formed in the longitudinal swing plate and the transverse swing plate in a penetrating mode. The multiple sections of meshing teeth arranged on the vertical plate are matched with the gear to drive the exhaust end of the corrugated pipe to swing up and down, meanwhile, the sliding ring arranged on the insulation guide rod in a sleeving mode is matched with the linkage rod to drive the exhaust end of the corrugated pipe to swing left and right, cold air is evenly dispersed to all positions of the shell, and it is ensured that electric appliance elements in the shell are evenly cooled.

The invention relates to the technical field of workpiece cleaning, in particular to an internal cleaning device for corrugated pipe compensator production. The technical problem that when an existing cleaning device cleans the inner wall of a corrugated pipe, cleaning is not sufficient and thorough enough, and then the cleaning effect of the inner wall of the corrugated pipe is poor is solved. An internal cleaning device for corrugated pipe compensator production comprises a base, an outer frame is fixedly connected to the base, a motor is fixedly connected to the outer frame, and an output shaft of the motor is rotationally connected with the outer frame. A motor drives a bidirectional lead screw, a driving wheel and a second transmission wheel to rotate together, the second transmission wheel rotates to enable a supporting disc and a corrugated pipe to rotate together through a belt, and meanwhile the driving wheel rotates to enable a brush column to rotate at a high speed through a second belt; when the bidirectional lead screw rotates, the first threaded block drives the sliding plate, the sleeve shaft and the brush column to move up and down in a reciprocating mode, meanwhile, the corrugated pipe rotates slowly, and then the brush column evenly cleans the inner wall of the corrugated pipe.