172results about How to "Achieve relaxation" patented technology

The invention relates to the field of equipment for stainless steel bands, in particular to a self-discharging type stainless steel band winding device and method. The sliding rail is fixedly connected to the base; the sliding seat is connected to the sliding rail in a sliding manner; the bearing table is connected to the sliding seat in a sliding manner; the reset spring is fixedly connected between the bearing table and the sliding seat; the limiting groove is fixedly connected above the sliding rail; and the raised lines are fixedly connected to two sides of the bearing platform. The supporting plates are arranged to be unfolded and folded relative to the roller shaft, a stainless steel strip coil is fixed and loosened, and supporting points of the stainless steel strip coil are transferred in the loosening process, so that a reset spring can buffer the stainless steel strip coil, impact counteracted by the gravity of the stainless steel strip coil on the body is reduced, and the service life of the stainless steel strip coil is prolonged. And indentations generated on the stainless steel strip coil are reduced as much as possible, and the product quality of the stainless steel strip coil is guaranteed.

The invention relates to a triple block winding machine, and belongs to the technical field of stator winding equipment. The stator winding machine comprises a workbench, a two-way mechanism, a grabbing mechanism used for grabbing stators, a winding mechanism used for positioning and placing the stators and a wire feeding mechanism, the two-way mechanism is provided with at least three feeding grooves which are arranged at intervals and used for placing the stators, and the grabbing mechanism is provided with a grabbing assembly used for grabbing a plurality of stators at the same time. The winding mechanism comprises a winding fixing seat, a winding tool and a winding driving source, wherein the winding tool is rotatably mounted on the winding fixing seat and used for clamping a stator, and the winding driving source drives the winding tool to rotate. The stator winding device has the effect of realizing automatic winding of the stator.

The invention discloses a new energy automobile production part conveying device, and particularly relates to the technical field of new energy automobile manufacturing, the new energy automobile production part conveying device comprises a base and a motor I. A transmission mechanism is rotatably connected to the rear side of the upper end of the base, a conveying mechanism is rotatably connected to the middle of the upper end of the base, and a plurality of clamping mechanisms are arranged on the surface of the conveying mechanism; limiting mechanisms are symmetrically and fixedly connected to the upper ends of the bases located on the left side and the right side of the conveying mechanism, and the upper ends of the two limiting mechanisms are jointly and fixedly connected with a sweeping mechanism. According to the new energy automobile production part conveying device, intermittent conveying is achieved through cooperation of the transmission mechanism and the conveying mechanism, sufficient time is reserved for clamping, cleaning and moving of skylights, it is guaranteed that the skylights are stably conveyed, the cleaning effect can be achieved in the conveying process, and the production efficiency is improved. And meanwhile, the arc-shaped protruding block is matched with the fixing plate and the clamping frame to achieve automatic clamping and loosening of the skylight, and automatic conveying of the skylight is facilitated.

The invention discloses a sample core sampling device for pavement thickness detection. The sample core sampling device comprises a lifting assembly, a sample core sleeve assembly, a sample core clamping assembly and a sample core sliding and knocking assembly, the lifting assembly is used for driving the sample core sleeve assembly to ascend and descend; the sample core sleeve assembly is arranged on the moving part of the lifting assembly, and the sample core sleeve assembly is used for drilling into a road surface and bringing out a sample core; the sample core clamping assembly is arranged on the sample core sleeve assembly and is used for clamping a sample core brought out of the sample core sleeve assembly; the sample core sliding knocking assembly is arranged on the sample core sleeve assembly, and the sample core sliding knocking assembly is used for knocking the sample core sleeve assembly, so that the adhesion between the sample core sleeve assembly and the sample core is reduced. The sample core is clamped by the sample core clamping assembly, so that the sample core can be effectively taken out of a road surface, and meanwhile, the adhesion between the sample core and the inner sleeve is reduced through the knocking effect of the sample core sliding knocking assembly, so that the sample core conveniently falls down due to the gravity of the sample core and cannot be retained in the inner sleeve.

The utility model relates to the technical field of clamps, and discloses a gear honing clamp which comprises a clamp body and a workpiece body, the workpiece body is arranged in the clamp body, an inclined end face is arranged at one end of the clamp body, an outer sleeve frame is arranged at the other end of the clamp body, and a connecting bolt is arranged between the clamp body and the outer sleeve frame for connection. A pull rod is fixedly connected into the outer sleeve frame, an inner sleeve frame is fixedly connected into the clamp body, a limiting spring is fixedly connected into the inner sleeve frame, the workpiece body is centered and radially positioned through cooperation of the floating tip and the limiting spring, and the workpiece body is connected with the pull rod of an external machine tool through the pull rod. According to the clamp, the connecting bolt can drive the limiting expansion sleeve to move up and down, the limiting expansion sleeve slides along with the inclined end face of the end of the clamp body, and therefore the workpiece body is clamped and loosened, and the machining precision and the machining quality of the workpiece body are guaranteed in this way.

The utility model discloses a nut mounting and dismounting tool in a narrow space, which belongs to the technical field of nut locking and comprises a clamp head structure and a control rod structure. The clamp head structure comprises a sleeve head, a clamping jaw, a guide block and a spring, the sleeve head is provided with an open slot, a guide slot, a limiting slot, a large sliding slot and a small sliding slot which are respectively used for mounting the clamping jaw and the guide block, the sleeve head is hexagonal, the clamping jaw is mounted in the open slot of the sleeve head, and the guide block is mounted in the guide slot; the two clamping jaws are symmetrically arranged; and the guide block is connected with the clamping jaw through a pin shaft. The control rod structure comprises a rotating head, a hand lever, a steel wire control block, a sliding shifting piece, a sliding column and a steel wire, the rotating head is connected with the sleeve head through a pin shaft, and the steel wire control block is installed in the rotating head to control the steel wire; a sliding shifting piece and a sliding column are installed on the hand lever, and the traction steel wire controls opening and closing of the clamping jaws. The device is simple in structure, high in universality, very convenient to use and suitable for mounting, dismounting, picking and releasing of nuts in narrow and small spaces.

The invention relates to the technical field of massage equipment, and discloses a motor-based centrifugal force driven suspension type vibration / beating massager, which comprises a support mechanism for supporting the whole device, and during use, a part needing to be massaged is in contact with the support mechanism, so that subsequent vibration / beating massage operation can be carried out; the shaking mechanism is arranged in the supporting mechanism, the shaking mechanism comprises a flexible assembly and a driving assembly, and the flexible assembly is arranged in the supporting mechanism in a suspended mode and used for making contact with an area needing to be massaged. According to the invention, the design of a suspension structure is matched with the ball body, so that multi-angle stable fitting is realized, the device keeps the consistency of the massage effect under different body positions, and the comfort is improved. Meanwhile, centrifugal driving and a multi-layer vibration mode effectively meet the requirements of a user for beating and stimulation, and deeper and more flexible massage experience is provided.

The utility model relates to an angle grinder quick-change grinding wheel cover, which comprises a protective cover, an elastic limiting mechanism and a head shell mechanism, the protective cover is C-shaped, the head shell mechanism comprises a front cover and a bottom cover, the front cover is fixedly arranged above the bottom cover, the bottom cover is fixedly arranged in an angle grinder head, an assembly part is arranged at the bottom of the protective cover, and the elastic limiting mechanism is arranged on the assembly part. Width limiting rib plates are arranged at the two ends of the assembling part, the front cover is provided with two flat squares matched with the width limiting rib plates, and the assembling part is detachably connected with the front cover; the assembling part is further provided with more than one limiting hole matched with the elastic limiting mechanism, the elastic limiting mechanism is fixedly installed in the bottom cover, and the end portion of the elastic limiting mechanism and the limiting hole are clamped and limited in a matched mode. According to the utility model, rapid assembly and disassembly and position adjustment of the protective cover can be realized.

The cervical vertebra tractor comprises a traction frame and a traction rope, a telescopic frame is fixed to the right side of the traction frame, a telescopic rod is movably installed in the telescopic frame, the top end of the telescopic rod is movably connected with a frame rod through a limiting rotating shaft, and fixed pulleys I are installed at the two ends of the frame rod; a guide rod used for fixing the fixed pulley II is further installed on the right side of the telescopic frame. A head traction belt hung on the head can be kept stable through a sliding rod, the situation that the head of a patient swings at will during correction, the traction effect is affected, and the head is kept stable is avoided, tightening or loosening of a traction rope is achieved through winding of adjusting equipment, and the height of the head traction belt is adjusted; therefore, adaptation to heights and requirements of different patients is achieved.

The invention discloses a take-up and pay-off device and an object, and belongs to the field of take-up and pay-off. The take-up and pay-off device comprises a first shell, a winding piece, a one-way piece, a second shell, a first seat body and a fastening piece. The first shell is provided with a first one-way part; the winding piece is provided with a first clamping part; the one-way piece is provided with an elastic arm, the elastic arm is provided with a second one-way part matched with the first one-way part, the one-way piece is provided with a second clamping part matched with the first clamping part, and the one-way piece is provided with a first protruding part; the side, facing the first shell, of the second shell is provided with a second protruding part and a third protruding part, and the second protruding part is matched with the first protruding part. The first seat body is connected with the first shell; one end, far away from the first one-way part, of the winding piece is arranged on the first seat body; the fastening piece sequentially penetrates through the winding piece and the one-way piece and is in threaded connection with the third protruding part. According to the take-up and pay-off device, the rope can be loosened and tightened by rotating the second shell, and operation is easy and convenient.

The utility model belongs to glass manufacturing technical field discloses an in -out piece positioning mechanism, this in -out piece positioning mechanism includes fixed bolster, two positioning units and drive assembly, two positioning units are along first direction interval setting on fixed bolster, each positioning unit is slidably installed in fixed bolster along first direction, so that the glass is clamped by the blocking wheel on the positioning unit, drive assembly includes drive source and conveyer belt assembly, conveyer belt assembly includes driving wheel, driven wheel and conveyer belt, driving wheel and driven wheel rotatably install in fixed bolster, and interval setting along first direction, driving wheel is connected with the output shaft of drive source, and the both ends of conveyer belt are respectively matched with driving wheel and driven wheel, two positioning units are connected on the two parallel setting parts of conveyer belt respectively. This in -out piece positioning mechanism can be compatible with multiple sizes glass, does not need manual adjustment when switching the product of different specifications of the size difference is bigger, is favorable for promoting positioning efficiency.

The utility model discloses a device for loosening a cable, which comprises a transverse shaft, the transverse shaft penetrates through a cable cylinder, two ends of the transverse shaft protruding out of the cable cylinder are sleeved with connecting assemblies, a supporting leg is hinged below each connecting assembly, and the connecting assemblies can change the inclination angle of the supporting leg. A motor is adjustably arranged on a certain supporting leg, a driving wheel is arranged on an output shaft of the motor, and the driving wheel is in frictional contact with the cable drum; the connecting assembly and the supporting legs are arranged, the extrusion plate can be controlled to move relative to the baffle by rotating the threaded column, the supporting legs are forced to rotate to adjust the inclination angle of the supporting legs under the action of the extrusion plate, and in the inclination angle adjusting process of the supporting legs, the transverse shaft and the cable cylinder are lifted, so that the cable cylinder is separated from the ground, and supporting is provided for loosening a cable; the current situation that the cable drum is hoisted by hoisting equipment is changed, and meanwhile the cable drum hoisting device is simple in structure, small in size and capable of being disassembled and stored when not used.

The invention discloses an automatic continuous feeding mechanism for shaft rod pieces, which comprises a driving mechanism comprising a plurality of rotating motors, and each rotating motor drives a lead screw to rotate; the guide mechanism comprises a plurality of lead screws which are arranged in parallel, the lead screws at least penetrate through two moving plates, chucks which are coaxially arranged are fixed to the moving plates, and the chucks are provided with channel holes for clamping or releasing the shaft rod pieces; each moving plate is movably assembled with all the lead screws, the outer wall of each lead screw comprises an external thread section and an optical axis section, the moving plates are movably assembled with the external thread sections through nuts, and the moving plates are movably assembled with the optical axis sections through linear bearings; every two adjacent moving plates are movably assembled with the same lead screw through a nut and a linear bearing. The shaft rod piece is grabbed by the chuck, the movable plates are driven to move mutually through the rotation of the lead screw, and finally, the shaft rod piece is fed in cooperation with the grabbing and loosening period of the chuck.

The invention discloses a method for processing and manufacturing soft porcelain. The method comprises the following steps: placing a high-temperature silica gel mold, carrying out primary net covering and forming, carrying out secondary net covering and forming, airing and drying, demolding and spraying paint, and drying and packaging. According to the invention, on a complete and high-speed soft porcelain production line, the traction-type cutting, covering and pressing net integrated mechanism is mounted, is matched with the movement of the conveying mechanism, is placed close to a soft porcelain mold after precise grid cloth cutting, and is pressed by a covering and pressing roller while a clamp is loosened, so that the soft porcelain is automatically rolled to be flat during movement; the covering accuracy and the covering uniformity of the whole gridding cloth on the soft porcelain slurry are improved, and the problem that burrs are cleaned for a long time due to uneven preparation of soft porcelain in a subsequent electronic cutting machine, and the overall production efficiency of the soft porcelain is affected is avoided.

The invention discloses a ring type medical cotton swab clamping device, and belongs to the technical field of pharynx wiping piece sampling. The device comprises a first shell and a second shell, the second shell is fixedly installed on the front side of the first shell, and ring holes are formed in the bottoms of the first shell and the second shell; a mounting table is fixed in the first shell, a fixed block and a movable block are connected to the mounting table, the movable block is driven to clamp the non-sampling end of the cotton swab rod by shifting an external handle, sampling is completed, and the problems that in the cotton swab rod clamping process, operation is tedious, and replacement is not easy are solved.

The invention discloses a geological fault simulation device and method, and relates to the technical field of geological simulation, the simulation device comprises a support seat, a simulation concave disc, a plate fault simulation block, a reservoir simulation hose and a cover plate; the simulation concave disc is rotatably mounted on the supporting seat, the two plate fault simulation blocks are assembled in the opening side of the simulation concave disc, the reservoir simulation hoses are mounted in the plate fault simulation blocks, the shape of each reservoir simulation hose is adjustable, and the cover plate covers the opening side of the simulation concave disc. By arranging the sliding assembly, the adjusting assembly and the sealing mechanism, the adjusting assembly can be utilized to finely adjust the simulation process, the sealing mechanism can be utilized to highly seal the plate fault simulation block, and meanwhile, the sliding assembly and the adjusting assembly can be utilized to highly flexibly adjust the plate fault simulation block; fine adjustment can be achieved in the fault simulation process, and combination of high sealing performance and high flexible adjustment performance can be met at the same time.

The utility model provides a quick release type synchronous belt conveyor line, which comprises a rack, a tension adjusting mechanism and a driving mechanism, the rack comprises two side plates and a connecting rod, the two side plates are symmetrically arranged at intervals, the connecting rod is connected with the two side plates, and the outer side of each side plate is provided with a chute along the length direction of the side plate; the tensioning adjusting mechanism comprises a first adjusting block, a second adjusting block, a driving wheel and a driven wheel. The first adjusting block and the second adjusting block are arranged at the two ends of the side plate in a sliding mode respectively. A rotating shaft is rotationally connected between the two first adjusting blocks, the driving wheels are arranged at the two ends of the rotating shaft respectively, and the two driven wheels are rotationally connected to the inner sides of the second adjusting blocks respectively. The tensioning adjusting mechanism is arranged, tensioning or loosening of the belt can be achieved by sliding the first adjusting block and the second adjusting block, the belt can be easily detached and replaced after locking of the first adjusting block and the second adjusting block is removed, and operation is easy and convenient.

The invention provides an intelligent meditation pad with a monitoring function and a feedback system thereof. The intelligent meditation pad comprises a meditation pad body, a piezoelectric sensor, a Bluetooth loudspeaker, a vibration buzzer and a control module, the piezoelectric sensor is arranged in a key supporting area of the meditation pad body and used for indirectly monitoring the heart rate and the breathing frequency of a user through pressure changes. The Bluetooth loudspeaker is arranged at the edge or the bottom of the meditation pad body and is used for being wirelessly connected with intelligent equipment and playing high-quality meditation music; the vibration buzzer is integrated in the meditation pad body and used for analyzing low-frequency signals within 100 Hz in music and generating vibration synchronous with music rhythm in real time. The control module is integrated in the meditation pad body; according to the invention, organic integration of multi-dimensional meditation assisting functions such as physiological monitoring, music playing and vibration feedback is realized. The user can enjoy all-around auxiliary experience in the meditation process without using a plurality of scattered devices, so that the meditation convenience and effect are greatly improved.

The invention relates to the field of semiconductor part processing, in particular to a positioning mechanism. The positioning mechanism comprises a fixed assembly and a movable assembly, a sliding strip of the movable assembly can slide relative to a main support of the fixed assembly, and a plurality of second supporting blocks on the sliding strip and a plurality of first supporting blocks on the main support are alternately arranged, so that the movable assembly can be slidably switched between a clamping position and a releasing position; therefore, the to-be-welded parts of the adjacent bent metal sheets are selectively clamped by the second sides of the second supporting blocks and the first supporting blocks adjacent to the second sides, and welding after clamping and taking out after welding are facilitated. The workpiece is clamped and loosened through displacement of the sliding strip of the movable assembly relative to the fixed assembly, the positioning efficiency of the workpiece is improved, and the taking-out difficulty of the workpiece is lowered.

The invention relates to an insulating rod withstand voltage test rack, which comprises a placement rack and a plurality of conducting rods arranged on the placement rack, and the end parts of the conducting rods are connected with cables; the conductive rod is further provided with a supporting seat used for supporting the insulating rod, the conductive rod is provided with a conductive wire capable of winding the insulating rod, the conductive rod is provided with a positioning seat, and the positioning seat comprises a positioning block connected to the conductive rod and a connecting piece spirally connected with the positioning block. And the conductive wire can be fixed on the positioning block by the connecting piece. The device has the effect of conveniently testing insulating rods with different thicknesses.

The utility model discloses an aluminum plate machining platform with a pressing device, and relates to the technical field of aluminum plate machining. Comprising a machining platform and a clamping structure. Two clamping structures are symmetrically mounted on the two sides of the machining platform correspondingly, each clamping structure comprises a vertical supporting plate, a transverse plate is mounted on each supporting plate, a threaded cylinder is fixedly mounted on each transverse plate, and a lifting screw is in threaded connection with the interior of each threaded cylinder; adjusting structures are installed on the two sides of the machining platform respectively, each adjusting structure comprises a sliding seat, a connector is installed on each sliding seat, adjusting rods are rotationally installed on the two sides of each connector respectively, strip-shaped limiting grooves are formed in the adjusting rods, lifting screws penetrate through the corresponding limiting grooves, gears are installed on the lifting screws, and racks matched with the gears are installed in the limiting grooves. According to the device, pressing and fixing of multiple positions can be rapidly completed through simple operation, the time for assembling and disassembling is remarkably shortened, and the production efficiency is improved.

The invention belongs to the technical field of high-voltage transmission line detection, and discloses an unmanned aerial vehicle strain insulator zero value detection device, which comprises a detection device, an unmanned aerial vehicle is arranged above the detection device, and a hook is fixedly mounted at the bottom of the unmanned aerial vehicle. Two fixing plates and two mounting blocks are fixedly mounted on the inner wall of the bottom of the detection device, the two fixing plates are located between the two mounting blocks, and a first rotating rod and two second rotating rods are rotationally mounted on the sides, close to each other, of the two fixing plates correspondingly. Through precise cooperation of a tooth column, a tooth groove and a winding rod, tightening and loosening of a steel wire are achieved, when an unmanned aerial vehicle is connected, a hook can be hooked up smoothly, then the hook is fixed to the detection device by tightening the steel wire, the connection process is simplified, the reliability and safety of connection are improved, and the detection device is convenient to use. Even under the severe external environment condition, falling off or loosening can be effectively prevented, and it is ensured that the detection task is safely and smoothly carried out.

The invention discloses an automobile electric seat leg adjuster assembly, and relates to the technical field of leg adjustment. In order to relax and support the legs; the leg supporting device specifically comprises a base and a driving part used for adjusting a leg supporting assembly, the driving part comprises a power assembly and an adjusting assembly, and the adjusting assembly comprises two sliding blocks which are movably connected to the inner wall of a sliding groove formed in the upper surface of the base; and the two limiting rods are fixed to the outer walls of the tops of the two sliding blocks through pins correspondingly. By means of relative rotation between the second adjusting arm and the first adjusting arm, on the premise that the position of the sliding block relative to the sliding groove formed in the surface of the base is not changed, the roller shaft drives the back face of the leg support body in the moving process; the limiting effect of the abutting plate and the clamping plate is used for enabling the leg support body to transversely move by a certain distance in the state that the leg support body is kept perpendicular to the horizontal plane, and it is guaranteed that the leg support body rotates along the containing plate after the thigh is completely supported so that the shank can be supported.

The invention provides a flip testing seat pressed down by a connecting rod cam mechanism, belongs to the technical field of integrated circuit board testing, and solves the technical problem that a pressing block cannot be ensured to vertically press down a tested integrated circuit. A flip testing seat pressed down by a connecting rod cam mechanism comprises a base, one side of the top of the base is fixedly connected with a connecting seat, the top of the connecting seat is connected with an upper cover through a torsional spring, the top of the upper cover is rotatably connected with a rocker, two sides of the rocker are symmetrically and slidably sleeved with cam plates, and the two cam plates are slidably connected in the upper cover. Connecting rods are rotatably connected to the interiors of the sides, close to the rocker, of the two cam plates, the other ends of the two connecting rods are rotatably connected to one side of the rocker, two Z-shaped holes are formed in one sides of the two cam plates, bearings are slidably connected to the interiors of the two Z-shaped holes, and the two bearings are rotatably connected to one side of the pressing block back plate. According to the invention, through the arrangement of the double bearings, the pressing block can be driven to vertically move up and down.

The utility model discloses circumference drilling equipment for PE water supply pipe production, which comprises a drilling machine body and a clamping mechanism arranged on the top of the drilling machine body, the drilling machine body comprises a base, the clamping mechanism comprises sliding blocks correspondingly arranged on the left side and the right side of the base, and the opposite sides of the sliding blocks are fixedly connected with second electric push rods. The equipment has the advantages of being convenient to adjust and efficient in clamping, and the problems that part of drilling equipment is inconvenient to adjust according to the specifications of the PE water supply pipes, the clamping effect on the water supply pipes is not ideal, more time needs to be consumed for adjusting the equipment every time the PE water supply pipes of different specifications are replaced for drilling operation, the working efficiency and the productivity are reduced, and the production cost is reduced are solved. And meanwhile, due to unstable clamping, the pipe can slide or vibrate too much in the drilling process, the safety risk of operators is increased, meanwhile, extra pressure can be generated on a drill bit, and the drill bit can be fractured or excessively abraded.

The utility model relates to the technical field of monitoring alarm equipment, and discloses a monitoring alarm device which comprises a body, a monitoring assembly and clamping assemblies, the body is provided with an installation cavity, the monitoring assembly is detachably installed in the installation cavity, the two clamping assemblies are arranged on the body and located on the two sides of the installation cavity respectively, and the clamping assemblies are movably connected with the monitoring assembly. The monitoring assembly is detachably installed in the installation cavity of the body, when the monitoring assembly needs to be maintained, the monitoring assembly can be taken down to be maintained by adjusting the clamping assembly, after maintenance is completed, the monitoring assembly is installed on the body, and the monitoring assembly can be firmly installed on the body by adjusting the clamping assembly again. The device has the advantages of simple structure and convenient operation, and is easy for operators to maintain.

The utility model discloses a replaceable intaglio printing proofing press, including the printing platform, is equipped with the color plate on it, the pressure bar is respectively established in the both sides of printing platform, and is used for the color plate pressure tightly on printing platform, the quick pressure mechanism includes the linkage link through pressure bar and printing platform, with the hinge joint of linkage link pivot, and is equipped with handle on pivot, when pivot rotates to pressure tightly position, drives linkage link to drop, makes pressure bar to press down to the direction of approaching printing platform, and the color plate pressure tightly, when pivot reverses to relax position, drives linkage link to rise, to make pressure bar to rise to the direction of being away from printing platform, to release the clamping of color plate. The utility model provides a replaceable intaglio printing proofing press, and the handle is stirred, makes pivot rotate, to realize the pressure tightly and relaxation of pressure bar, to carry out the pressure tightly or relaxation to color plate, and the dismounting of color plate is convenient.

The present invention relates to the technical field of heat exchangers, and discloses a fin-type heat exchanger, comprising a supporting bracket, a base tube, a connecting tube and a transfer tube, wherein a fin is arranged on the base tube, a fixing plate is fixedly arranged at one end of the supporting bracket, a clamping plate is movably arranged at the other end of the supporting bracket, a limiting unit for limiting the clamping plate is arranged on the supporting bracket, a filter tube is arranged in the base tube, a cleaning unit for cleaning the filter tube is arranged in the filter tube, the cleaning unit comprises a decontamination unit for cleaning the inner wall of the filter tube, a collecting unit for collecting dirt, and a vibration unit for vibrating the filter tube. The present invention filters salt substances and dirt through the filter tube, avoids the precipitation of salt substances and dirt on the base tube, prevents scaling of the inner wall of the base tube, ensures the heat exchange effect of the base tube, reduces energy consumption and material consumption, drives the cleaning unit to rotate through water flow, conveniently cleans the filter tube, and prolongs the service life of the filter tube.