700 results about "Metal hose" patented technology

The utility model discloses an automatic metal hose grabbing and cutting device which comprises a workbench, a hose guide seat, a lifting mechanism and a grabbing mechanism, the lifting mechanism and the grabbing mechanism are both arranged on the surface of the workbench, the lifting mechanism comprises a lifting support, a lifting motor and a lifting plate, the lifting motor is fixed at the top of the lifting support, and the lifting plate is fixed at the bottom of the lifting support. The output end of the lifting motor penetrates through the top of the lifting support, extends downwards and is connected with a lifting plate, guide rods are arranged at the positions, located on the two sides of the lifting motor, of the top of the lifting support, the lifting plate is arranged on the guide rods in a sliding mode, and the bottom of the lifting plate is connected with a hose cutter. A tool apron is arranged on the portion, below the hose cutter, of the workbench, the grabbing mechanism comprises an X-direction driving device and a first Y-direction driving device, and the first Y-direction driving device is connected with a first pneumatic clamping finger. According to the scheme, the metal hose can be automatically grabbed to the cutting position through the grabbing mechanism, and manual operation is not needed.

The invention relates to the field of metal hose performance detection, in particular to a metal hose swing test device. A fixing assembly; the power swinging assembly is connected with the first fixing seat and used for enabling the first fixing seat to move relative to the fixing assembly; one end of the test hose is detachably mounted on the plane of the first fixing seat, and the other end of the test hose is detachably mounted on the plane of the fixing assembly; the axes of the two ends of the test hose do not coincide, so that the test hose is located between the first fixing base and the fixing assembly in a bent state. As the two ends of the test hose are detachably mounted on the first fixing seat and the fixing assembly which can move and be adjusted relatively respectively, and an adjustable relative relation exists between the first fixing seat and the fixing assembly, the mounting positions of the upper joint and the lower joint of the metal hose can be adjusted very conveniently in the actual test process, and the test efficiency is improved. And important parameters such as the joint relative to the swinging center position.

The invention discloses a composite vacuum metal hose, and relates to the technical field of vacuum metal hoses. The composite vacuum metal hose comprises an outer-layer corrugated pipe, wherein the two ends of the outer-layer corrugated pipe are connected with outer-layer connecting pipes; the first sliding sleeve and the second sliding sleeve can dynamically adjust the pressure borne by the inner-layer corrugated pipe when a fluid medium passes through the inner-layer corrugated pipe, so that the inner-layer corrugated pipe is prevented from being excessively stretched and extruded, and the resistance of the fluid medium passing through the inner-layer corrugated pipe is further reduced; a fluid medium smoothly enters the inner-layer corrugated pipe, the impact on the inner-layer corrugated pipe is reduced, the adjusting area can automatically and adaptively change according to the pressure of the fluid medium to weaken the pressure brought by the fluid medium entering the inner-layer corrugated pipe, the impact on the inner-layer corrugated pipe by the fluid medium is reduced, meanwhile, the resistance of the fluid medium is reduced, and the service life of the inner-layer corrugated pipe is prolonged. The speed of the fluid medium penetrating through the inner-layer corrugated pipe is increased, and the service life is prolonged.

The invention discloses a metal hose quick-plug connector, which relates to the technical field of pipeline connection, and comprises a male connector and a female connector, at least three clamping pins which are arranged in a circumferential array around the male connector are fixed outside the male connector, a clamping ring which is rotatably clamped with the clamping pins is fixed outside the female connector, and a sealing ring is arranged between the male connector and the female connector. The locking mechanism comprises a sleeve connected to the interior of the female connector in a sliding mode, a positioning pipe is fixed to the male connector, the steel ball clamps the sleeve under the action of the elastic force of the spring, and rotation of the sleeve and the female connector relative to the male connector can be limited within the preset working torque range; therefore, excessive abrasion of an internal sealing ring caused by frequent rotation of the male connector and the female connector is avoided, sealing stability of the quick-plug connector is guaranteed, meanwhile, when torsional force borne by the male connector and the female connector exceeds a preset range, the male connector and the female connector can release torsional stress through relative rotation, and the metal hose is effectively prevented from being damaged due to excessive torsion.

The invention discloses automatic welding machining equipment for a thin-wall metal hose, and relates to the technical field of welding machining, the automatic welding machining equipment comprises a base, a fixed seat and a guide rail are installed on the two sides of the top of the base correspondingly, and a positioning assembly and a sliding seat are installed in the guide rail correspondingly; the positioning assembly and the sliding base are slidably installed on the top of the base through the guide rail. According to the automatic welding machining equipment for the thin-wall metal hose, a worker adjusts the positions of a positioning assembly and a sliding base in a guide rail according to the position of a welding assembly, and the metal hose and a connector are clamped and fixed through the positioning assembly and a clamping inner supporting assembly correspondingly; the clamping inner supporting assembly supports the interior of the metal hose while clamping the connector so as to stably support the welding position of the metal hose. The phenomenon that when the connector sleeves the metal hose and the metal hose are welded through the welding assembly, the hose in the connector is prone to deformation and cannot be attached to the inner wall of the connector, and consequently the welding point position deviates is prevented.

The application discloses a kind of thin-walled metal hose automatic welding processing equipment, and the application relates to welding processing technical field, including base, the top of the base two sides are respectively provided with fixed seat and guide rail, the inside of the guide rail is respectively provided with positioning assembly and sliding base, the positioning assembly and sliding base are slidably installed on the top of base by guide rail.This thin-walled metal hose automatic welding processing equipment, by the position of welding assembly, the position of positioning assembly and sliding base is adjusted in guide rail by staff, and by positioning assembly and clamping inner support assembly, metal hose and joint are clamped and fixed respectively, clamping inner support assembly is clamped to joint while supporting in the inside of metal hose, to stabilize support metal hose welding position, prevent joint from being set outside metal hose by welding assembly when welding, the phenomenon that the hose in joint is prone to deformation and cannot be combined with the inner wall of joint to cause welding point position deviation.

The utility model relates to the technical field of metal hose vibration damping performance testing, and particularly discloses a metal hose vibration damping performance testing device which comprises a workbench, the surface of the workbench is fixedly connected with a first fixing plate, and the surface of the workbench is fixedly connected with a second fixing plate. A plurality of fixing rods are fixedly connected to the sides, close to each other, of the first fixing plate and the second fixing plate, adjusting plates are slidably connected to the surfaces of the fixing rods, mounting connectors are fixedly connected to the sides, close to each other, of the adjusting plates and the first fixing plate, and vibration detectors are mounted on the surfaces of the mounting connectors; metal hose bodies are mounted on the surfaces of the two mounting connectors, a moving motor is fixedly connected to the surface of the workbench, the output end of the moving motor is sleeved with a conveying belt, and two adjusting pull rods slidably penetrate through the surface of the second fixing plate. According to the utility model, the problem that the adjustment is not accurate enough due to manual adjustment and the fine adjustment needs to be carried out for many times is solved.

The utility model discloses a corrugated metal hose for a compressor, which relates to the technical field of corrugated pipes and comprises a corrugated pipe, a wear-resistant sleeve is coated on the surface of the corrugated pipe, a net sleeve is arranged on the wear-resistant sleeve, two ends of the corrugated pipe are respectively provided with a tension band, a connecting pipe is arranged at a port of the corrugated pipe, and the connecting pipe, the tension bands and the net sleeve are mutually welded. The corrugated pipe is protected through the wear-resistant sleeve arranged between the net sleeve and the corrugated pipe, the situation that the wave crest of the corrugated pipe is cut and damaged by the net sleeve due to vibration of the corrugated pipe is prevented, the service life of the corrugated metal hose of the compressor is prolonged, and practicability is higher.

The invention discloses a molten salt groove type heat collecting device which comprises a heat collector rotating along with the sun and a connecting assembly. The heat collector comprises a heat collecting pipe for collecting heat; the connecting assembly comprises a metal hose, a first connecting pipe and a second connecting pipe for communicating one end of the metal hose with the fixed pipeline; and the other end of the metal hose is communicated with the end part of the heat collecting pipe through the first connecting pipe. The overall structure of the device can be simplified, the number of potential leakage points is reduced, and the leakage risk is reduced.

The utility model discloses a novel air passage detection device, which comprises a sensor outer cover, a sensor inner cover and a sensor outer cover, the air filtering cotton is arranged at the air inlet end of the front air channel and used for filtering air moisture and particle impurities; the sensor assembly is arranged at the gas outlet end of the front gas channel and used for detecting gas concentration and components; the sealing foam is arranged between the sensor outer cover and the sensor assembly in a filling manner and is used for enabling gas to enter the sensor assembly to prevent side leakage; the fan assembly comprises a rear air channel and is used for regulating and controlling the gas flow during preheating and working of the sensor assembly according to the gas concentration and sensitivity; the metal hose comprises a middle air passage and is used for adjusting a measurable range and a measurement angle; wherein the front air passage, the middle air passage and the rear air passage are sequentially communicated to form a detection air passage. According to the utility model, the measurable range and the measurement angle are adjusted, and the air moisture and particulate impurities are filtered by adopting the gas filtering cotton, so that the impact influence on the sensor during sampling is reduced.

The utility model discloses a carbon calcining furnace discharger which comprises a discharging pipe, a corrugated metal hose is installed at the bottom of the discharging pipe, the bottom of the corrugated metal hose is fixed to a discharging port, an auxiliary discharging mechanism is installed on the outer side of the discharging pipe, and the auxiliary discharging mechanism comprises a rotating shaft, a synchronous wheel, a synchronous belt, a cam and a first motor. The outer side of the discharging pipe is rotationally connected with three rotating shafts, each rotating shaft is provided with a synchronous wheel, the three synchronous wheels are in transmission connection through a synchronous belt, the top of each rotating shaft is fixedly provided with a cam, the first motor is fixed to the outer side of the discharging pipe, and an output shaft of the first motor is connected with the rotating shafts; and an angle adjusting mechanism for driving the discharge port to rotate is mounted on the discharge pipe. Vibration discharging is carried out from the outer side of the discharging pipe, the discharging speed is higher, and blocking is not prone to occurring; and the discharging angle is convenient to adjust, and the discharging angle is convenient to adjust according to requirements.

The utility model relates to a converter mouth purging device in the converter tapping process, and belongs to the technical field of converter steelmaking in the metallurgical industry. According to the technical scheme, one end of a large rotating arm (4) is rotationally connected to a stand column (1) through a rotating body and a rotating body support, the other end of the large rotating arm (4) is rotationally connected with one end of a small rotating arm (13) through the rotating body and the rotating body support, a universal support (11) is rotationally connected to the other end of the small rotating arm (13) through the rotating body, a positioning sleeve (10) is arranged on the universal support (11), and the positioning sleeve (10) is connected with the stand column (1). The stainless steel purging pipe (7) penetrates through the positioning sleeve (10), one end of the stainless steel purging pipe (7) is connected with the nozzle (5), the other end of the stainless steel purging pipe (7) is connected with the elbow (14) and the control handle (15), and the elbow (14) is connected with the metal hose (16) through the quick connector (17). The device has the beneficial effects that bonded slag or steel at the converter mouth can be automatically, safely and efficiently cleaned, and the normal operation of the converter is ensured.

The utility model discloses a construction structure for a metal conduit to penetrate through a building deformation joint, and relates to the technical field of building construction. Comprising a junction box, a flexible metal wire protection tube and a grounding wire. The two ends of the flexible metal wire protection tube are respectively connected with a junction box through a metal hose external tooth joint; a grounding wire passes through the junction box at one end to the junction box at the other end; fastening pipe lock nut joint preformed holes are formed in the floor support plate side vertical plates on the two sides of the telescopic settlement joint, and fastening pipes are pre-buried in the floor support plate. The sides, away from each other, of the two junction boxes are connected to the fastening pipe lock nut joint preformed holes in the two sides through fastening pipe lock nut joints respectively. The fastening pipe lock nut joint is connected with the fastening pipe; the fastening pipe lock nut joint is provided with a processing hole, and the end part of the grounding wire penetrates out of the processing hole; according to the structure, a relay junction box does not need to be arranged, the connection and installation of the flexible metal wire protection tube and the junction box are simpler and more convenient, and the overall difficulty of construction is reduced.

The invention discloses a waste heat boiler online hydraulic ash removal system which comprises a bearing steel frame, I-shaped steel is arranged at the top of the bearing steel frame, a hoisting support is slidably arranged on the I-shaped steel through a transverse moving device, a roller is arranged in the hoisting support through a longitudinal lifting device, and a metal hose is wound on the roller. A nozzle is arranged at one end of the metal hose, a water supply device is connected to the other end of the metal hose, a plurality of guide pipes are arranged on the waste heat boiler, and the top ends of the guide pipes extend to the top of the bearing steel frame. According to the device, the spray heads on the metal hose can be automatically and flexibly moved into different parts of the waste heat boiler along the guide pipe, so that the effect of effective hydraulic ash removal on all-dimensional inner walls of the different parts is thoroughly achieved, and ash removal work of multiple parts can be completed through one device; in this way, the maximum use efficiency of equipment can be achieved, the cleaning efficiency is remarkably improved, the heat exchange effect is enhanced, energy waste is reduced, and the operation and maintenance cost is reduced.

The invention belongs to the technical field of magnesium desulfurization wastewater treatment, and particularly relates to a magnesium desulfurization wastewater evaporation concentration material transfer anti-crystallization blockage system which comprises an evaporation separator and crystallizers, a circulation pipeline is arranged between an inlet and an outlet of a material transfer pump, and a material transfer pipeline is connected between a material transfer regulating valve and the crystallizers. The circulating pipeline and the branch pipelines are respectively communicated with the material transferring pipeline through branch pipelines, and the circulating pipeline and the branch pipelines are detachable metal hoses; a steam inner pipe is arranged in the material transferring pipeline, a heat preservation layer is arranged outside the material transferring pipeline, and opening degrees of the material transferring adjusting valve and the steam adjusting valve are in linkage control. Compared with the prior art, the device has the beneficial effects that effective anti-blocking prevention and emergency treatment are carried out on materials which are long in material transfer pipeline, rapid in concentration and temperature change and easy to crystallize in multi-point material transfer, cooperative control over the temperature of the separator feed liquid and the temperature of the material transfer pipe feed liquid is achieved, and concentration and temperature monitoring is carried out on the output feed liquid; materials always flow in the material transfer pipeline, and continuous production operation is guaranteed.

The invention relates to the technical field of flexible connecting pipelines, and discloses an asymmetric net sleeve metal hose and a forming method thereof.The asymmetric net sleeve metal hose comprises a corrugated pipe, the two ends of the corrugated pipe are fixedly connected with connecting pipes correspondingly, the outer side of the corrugated pipe is wrapped with a woven net sleeve, and the two ends of the woven net sleeve are fixedly connected with connecting rings correspondingly; the connecting ring is fixedly connected with the connecting pipe, and the woven mesh sleeve is of an unbalanced woven structure. The bending fatigue life of the metal hose is prolonged, the minimum bending radius is reduced, the self-supporting capacity of the metal hose in the specific direction is improved, and the application range of the metal hose is expanded.

The invention relates to the field of tunnel fire prevention and control, and particularly discloses a movable tunnel water curtain system and a control method thereof.The system comprises a water curtain generating device used for generating water curtains on the two sides of a smoke control subarea, the water curtain generating device comprises a spraying pipe, a metal hose and a water supply pipe, and the spraying pipe and the water supply pipe are connected through the metal hose; the moving device comprises a track and a driving mechanism, and the driving mechanism drives the spraying pipe to do reciprocating translation along the track; the fire detection alarm is used for detecting the fire occurrence condition in the smoke control subarea in the tunnel; the multiple temperature detection sensors are longitudinally arranged at intervals along the top of the tunnel; and the controller is electrically connected with the driving mechanism of the water curtain generation device and the temperature detection sensor, and the controller adjusts the movement of the spraying pipe based on the temperature information. The movable water curtain system is introduced, the position can be automatically adjusted according to the position of a fire source, and accurate isolation of the fire source is achieved.

The utility model discloses a clamping and positioning mechanism for metal hose welding. The clamping and positioning mechanism comprises a horizontal and rotatable supporting piece and a metal sleeve, wherein the metal sleeve is coaxially and slidably arranged on the supporting piece in a sleeving mode and can be locked after sliding. A plurality of metal tensioning pieces are fixedly arranged at one end of the metal sleeve at intervals in the circumferential direction of the metal sleeve, the end of the supporting piece is a reducing part, and when the metal sleeve moves from the end of the supporting piece to a shaft body of the supporting piece, all the metal tensioning pieces can be expanded and wrap the supporting piece. According to the clamping and positioning mechanism for welding the metal hose, the defects that in the prior art, during welding, a worker needs to manually rotate the metal hose for girth welding, but in the rotating process, the metal hose is prone to moving relative to the positioning mechanism, so that the welding position deviates, and the welding effect is reduced are overcome.

The oil-immersed transformer comprises an oil tank, a relay and an oil conservator, hose connectors are fixedly installed on the oil conservator and the relay through connecting flanges respectively, positioning pipes are fixedly installed on the two hose connectors respectively, a metal hose is arranged between the two hose connectors, and the metal hose is connected with the relay. The two positioning pipes are sleeved with the two ends of the metal hose respectively, a locking assembly used for locking the metal hose is arranged on the hose connector, and a supporting assembly used for supporting the metal hose is arranged on the oil conservator. The transformer has the advantages that the expansion tank is connected with the relay through the metal hose, and the metal hose is used as a connecting medium, so that the anti-vibration performance of the joint between the expansion tank and the relay is improved, the oil leakage phenomenon caused by transportation shaking is effectively prevented, the oil leakage risk is greatly reduced, and the safety and reliability of the transformer are improved.

The invention relates to the technical field of metal hoses, and discloses a manufacturing device of a metal hose and a using method.The manufacturing device of the metal hose comprises steel pipe forming equipment used for manufacturing a steel belt into a steel pipe; the steel pipe forming equipment comprises a base plate, a steel belt extrusion forming assembly, a shaping welding mechanism and a removing mechanism, wherein the steel belt extrusion forming assembly, the shaping welding mechanism and the removing mechanism are fixedly connected to the top of the base plate and sequentially distributed. The shaping, cleaning and detecting assembly comprises a support which is fixedly connected with the shaping and welding mechanism and is of an L-shaped structure, and the bottom of the support is connected with a rotating mechanism and a retaining rod which is arranged on one side of the rotating mechanism and fixedly connected with the support. Deformation in the welding process is effectively prevented, the consistency of the metal hose is improved, the machining efficiency of the metal hose is improved, welding detection is conducted in time after welding is completed, and the welding effect is rapidly detected.

The invention provides a pipeline pressing leak detection device, and belongs to the technical field of pipeline detection devices. The pipeline pressurizing leak detection device comprises a first manipulator, a second manipulator and a valve, one end of a detected pipeline can be hermetically clamped by the first manipulator, the other end of the detected pipeline can be hermetically clamped by the second manipulator, and a medium output end of the valve is communicated with an accommodating space in the detected pipeline. The detection medium can be conveyed to the containing space of the detected pipeline, and whether the detected pipeline leaks or not is judged by detecting whether the medium leaks in the containing space of the detected pipeline or not. Whether a conventional pipeline, a pipe fitting and a metal hose have leakage points or not is unknown, hidden dangers are large when the conventional pipeline, the pipe fitting and the metal hose are installed in a system, leakage detection needs to be carried out before installation, a joint for leakage detection needs to be welded and needs to be cut off after leakage detection is completed, and the leakage detection process is complex. According to the pressing leak detection device, the detected pipeline is clamped by the two manipulators, leak detection of the detected pipeline can be completed without welding a leak detection joint, and the pressing leak detection device is convenient to use.

The utility model discloses a suspended ceiling component with a bendable metal hose, which relates to the technical field of mechanical and electrical installation engineering and comprises a suspended ceiling joist component, a suspended ceiling support, a track support, a suspended ceiling pinch plate and a metal hose spraying component. The rail support and the suspended ceiling support are both installed on the upper surface of the suspended ceiling joist component, the metal hose spraying component is located above the suspended ceiling joist component, and the metal hose spraying component is partially connected to the rail support in a sliding mode. According to the utility model, the adjustability of the metal hose spraying component is mainly utilized to replace the traditional rigid galvanized steel pipe, so that the pipeline can be bent, and the position of the spraying head can be adjusted to meet the design requirement and provide no installation space for other installation projects; and meanwhile, the labor cost is effectively reduced by reducing the later disassembly and modification project amount.

The invention discloses a molten salt groove type heat collecting device which comprises a heat collector rotating around a rotating shaft along with the sun and a connecting assembly. The heat collector comprises a heat collecting pipe for collecting heat; the heat collecting pipe and the rotating shaft are arranged in parallel at an interval; the connecting assembly comprises a metal hose, a transmission shaft, a first connecting pipe and a rotating joint communicated with the heat transfer medium pipe; the rotating joint is provided with a first end and a second end communicated with the heat transfer medium pipe, the first end and the second end are communicated and relatively rotatably arranged, and the first end is communicated with the first connecting pipe; the first connecting pipe and the rotating shaft coaxially and synchronously rotate through the transmission shaft; one end of the metal hose is communicated with the end part of the heat collecting pipe, and the other end of the metal hose is communicated with the rotary joint through the first connecting pipe. The number of potential leakage points can be reduced, and the leakage risk is reduced.

The utility model relates to an anti-blow-by coke oven regenerative chamber structure, which is divided into a plurality of different temperature intervals from the lower part of a combustion chamber to the bottom of the regenerative chamber, and sequentially comprises a high-temperature area, a medium-temperature area, a low-temperature area and a low-temperature area from top to bottom, the gas pipeline airflow channels corresponding to all the temperature intervals are staggered, and a high-temperature-resistant metal hose is arranged in the gas pipe brick airflow channel corresponding to the same vertical flame path from top to bottom in a full-length mode; and sliding layers are arranged among the brickworks in different temperature intervals. According to the utility model, gas supply blowby caused by mortar joint tearing or gas pipe brick breakage due to displacement between the upper and lower layer gas pipe bricks in the main wall of the regenerative chamber of the coke oven caused by different expansion during the oven drying period or the residual expansion period of the coke oven can be prevented, and smooth and safe production of the large coke oven is ensured.

The invention discloses a halogen-free fireproof flame-retardant cable and a preparation method thereof, and relates to the technical field of flame-retardant cables.The halogen-free fireproof flame-retardant cable comprises six cable cores, each cable core is composed of a copper stranded wire and a cross-linked polyethylene pipe, and a cooling mechanism is fixedly installed on the outer surface of each cable core. The end face of the cooling mechanism is fixedly connected with an end face plate. According to the halogen-free fireproof flame-retardant cable and the preparation method thereof, the spiral strip is welded and fixedly connected with the inner side face of the spiral piece through the cutting groove, the ventilation assembly guides purified gas into the position between the plastic tube and the heat shrink tube, and liquid carbon dioxide flows in the metal hose; the connection of the extension strip enables the temperature near the spiral sheet to be conducted to the low-temperature carbon dioxide, and the temperature of the spiral sheet is rapidly reduced, thereby achieving the purpose of reducing the temperature around the wire core, and solving the problem that the temperature of the conductive wire core is higher under high voltage, and is liable to cause cable combustion.

The invention relates to an oxygen supply device for a deep-sea manned vehicle and an operation method, and belongs to the technical field of deep-sea manned equipment. The pneumatic booster pump is driven by the air compressor to pressurize low-pressure oxygen, high-temperature and high-pressure oxygen is cooled by waste gas of the booster pump, flow regulation, pressure monitoring and safety control are realized by integrating the mobile console, and the mechanical pressure switch, the safety valve and the manual unloading valve are configured to guarantee operation safety. The customized metal hose is adopted to connect the external oxygen source and the to-be-supplemented device, additional refrigeration equipment is not needed, and the oxygen supply system has the advantages of efficient cooling and energy reuse and is suitable for long-distance and high-safety oxygen supply operation in the deep sea complex environment.

The utility model relates to the technical field of sampling devices, and discloses a water quality filtering and sampling device, which solves the problem that the existing water quality sampling device is inconvenient to filter and adjust the sampling depth, and comprises a support table, a water pump, a controller and an L-shaped support frame are arranged at the top end of the support table, and a flexible hoisting mechanism is arranged at one end of the L-shaped support frame. The armored metal hose is arranged on a water inlet of the water pump, the hard sampling water pipe is arranged at one end of the armored metal hose and connected with the supporting table through the lifting driving mechanism, the filtering cover is arranged at the bottom end of the hard sampling water pipe, the flexible hoisting mechanism is composed of a spring, a U-shaped mounting frame and a rotating wheel, and the U-shaped mounting frame is connected with the L-shaped supporting frame through the spring. The rotating wheel is rotationally connected to the interior of the U-shaped mounting frame, and the lifting driving mechanism is composed of a motor mounting sleeve, a servo motor, a driving gear, a lifting supporting stand column, two limiting assemblies and a rack; through the water quality filtering and sampling device, water can be filtered, and the sampling depth can be adjusted.

The application relates to the technical field of welding processing mechanisms, in particular to a gas special superhigh-temperature high-pressure metal flexible connection and a welding processing mechanism, which comprises a welding equipment body, a welding gun body is arranged on the welding equipment body, an operating table is rotationally connected to the welding equipment body, a rotating frame is rotationally connected to the inside of the operating table, a clamping mechanism is arranged on the rotating frame, flanges are movably contacted with the clamping mechanism, metal hose bodies are fixedly connected to the insides of the two flanges, and a base is fixedly connected to the welding equipment body. The setting of the fixing plate and the bag makes the metal hose body have a supporting point, avoids shaking of the metal hose body during rotation, correspondingly prevents position deviation or unstable welding track of the metal hose body during welding, influences the uniformity and the aesthetic property of a weld, and thus the welding quality of the metal hose body and the flanges is improved.

The utility model discloses a sectional type withdrawal and straightening machine fixing water tank which comprises a base (2) fixed on an installation frame (1), a detachable water tank (3) is arranged on the base (2), the water tank (3) comprises a group of square pipes (311), every three square pipes (311) are connected to form a sectional water tank (31), and the sectional water tanks (31) are connected through metal hoses. The segmented water tank (31) is further connected with a connector (4), and the connector (4) is connected with the base (2) through a water inlet and return pipe (5). The utility model has the advantages that the cooling strength can be improved to a greater extent, the on-line temperature is ensured to be below 45 DEG C, the service life of the withdrawal and straightening machine can be prolonged, the quality of a casting blank can be ensured, the replacement is simple and quick, and the working efficiency is improved.

The invention is applicable to the technical field of lifting appliances, and provides a lifting system for production of a polytetrafluoroethylene metal hose, which comprises a lifting appliance hung on a lifting hook of a lifting machine; the lifting appliance comprises a bearing frame; the bearing frame comprises a bearing disc; a plurality of arc-shaped sleeves uniformly penetrate through and are fixed on the bottom surface of the bearing disc; an arc-shaped outer gear ring is slidably arranged in the arc-shaped sleeve; a ball head matched with the ball seat is arranged in the ball seat; a lifting part meshed and matched with each arc-shaped outer gear ring is arranged on the bottom surface of the bearing disc in a penetrating and sliding manner; a supporting spring is fixedly connected between the lifting part and the bottom surface of the bearing disc; the side face of the baffle is rotationally provided with a lower half retaining pipe matched with the metal hose. An upper half retaining pipe is arranged between the two sliding rods in a sliding manner; according to the device, a lifting tool integrating lifting, spraying and clamping is provided, the metal hose does not need to be repeatedly taken manually, the working procedure is optimized, the spraying quality is improved, and the working efficiency is improved.