48results about How to "Simple service life" patented technology

The invention discloses a vertical vacuum sputtering coating production line. The vertical vacuum sputtering coating production line comprises a transmission assembly line and a coating assembly line, wherein the coating assembly line is connected with the transmission assembly line. The transmission assembly line comprises a rail, at least one transmission trolley and at least one substrate carrying device. The transmission trolley runs on the rail and transmits the substrate carrying device. The coating assembly line comprises an inlet cavity, an inlet transition cavity, an inlet buffer cavity, a coating cavity, an outlet buffer cavity, an outlet transition cavity and an outlet cavity. Compared with the prior art, the transmission assembly line and the coating assembly line are connected end to end to form an annular assembly line, so that the occupied area is saved; intelligent control is adopted for substrate transmission in the whole coating production line, so that manpower and material resources are saved, and production efficiency is improved; all cavities in the coating assembly line are replaced or added according to requirements of products, so that the whole coating production line meets the requirements of various coating processes; andthe service life is prolonged, resources are saved, and therefore the vertical vacuum sputtering coating production line has quite wide application prospects.

The invention discloses a hard alloy mold material for a titanium alloy fastener formed through warm forging and a preparation method of the hard alloy mold material. The hard alloy mold material comprises 73.5%-80.5% of WC, 18%-22% of Co, 1%-2% of Ni, 0.3%-1.5% of Cr3C2 and 0.2%-1% of Re. The technique of the hard alloy mold material comprises the steps that WC, Co, Ni, Cr3C2 and Re are placed in a rolling ball mill, wet milling media, forming agents and additives are added under the matching of wet milling balls and mixtures, and ball milling is conducted; slurry obtained after wet milling is dried by means of a spray tower for granulation; and dried alloy powder is subjected to press-forming and placed in a low-pressure sintering furnace for heat preservation, and an alloy product is obtained after the sintering furnace is cooled to the indoor temperature The prepared hard alloy product has good abrasion resistance, corrosion resistance and oxidation resistance; in addition, the strength is high, the service life is long, and the production technique is simple; and compared with WC-Co hard alloy, the service life of the hard alloy mold material can be prolonged by 50% or over.

The invention discloses a double-spring clamp auxiliary supporting device. The double-spring clamp auxiliary supporting device comprises a hollow supporting seat. A supporting column used for supporting workpieces is installed inside the supporting seat in an up-down sliding mode. A first wedge block penetrating through the supporting column is installed inside the supporting seat in a transverse sliding mode. The first wedge block is provided with an upper wedge surface and a lower wedge surface which are parallel to each other. The supporting column is provided with an ascending mechanism and a descending mechanism, wherein the ascending mechanism slides relative to the upper wedge surface of the first wedge block to ascend, and the descending mechanism slides relative to the lower wedge surface of the first wedge block to descend. A spring compression mechanism capable of automatically pushing the first wedge block to slide and making the supporting column ascend is arranged at one end of the first wedge block. A push rod mechanism capable of pushing the first wedge block to slide and making the supporting column descend is arranged at the other end of the first wedge block. The double-spring clamp auxiliary supporting device is reasonable in structure, auxiliary supporting of the workpieces can be realized, the device can automatically follow the workpieces to move upwards when the workpieces float up so that the workpieces can be supported, clearances are removed, and therefore supporting reliability is guaranteed.

The invention relates to a metal composite mullite-silicon carbide ceramic composite material, which is prepared from the following raw materials in percentage by mass: 60 to 80 weight percent of mullite, 4 to 20 weight percent of metal powder and 5 to 20 weight percent of silicon carbide. The invention also provides a preparation method of the composite material. The composite material uses the mullite, the metal powder and the silicon carbide as major raw materials; through low-temperature sintering, the metal composite mullite-silicon carbide ceramic composite material is prepared; the firing temperature is low; the production process is simple and the production cost is low.

The invention relates to a PVC tube, in particular to a PVC anti-freezing tube which mainly comprises a tube body, sponge is arranged on the tube body, steel balls are arranged in the sponge, and the sponge is sleeved with a PVC tube sleeve. The PVC anti-freezing tube is simple in structure and reasonable in design, and a hollow layer is filled with the sponge, so that the heat preservation effect of the tube body is good, and the tube body is not prone to be frozen and not prone to cracking. Under the action of the steel balls, the gap existing between the external tube sleeve and the tube body is reduced, the external PVC tube sleeve is prevented from being fractured, and therefore the service life of the PVC anti-freezing tube is prolonged.

The invention discloses a road surface cutting machine with cutting pieces capable of being rapidly switched. The road surface cutting machine comprises a bottom plate, four rectangularly-distributeduniversal wheels are fixedly connected to the bottom side of the bottom plate, and a pushing handle is fixed to the upper side of the end, close to the universal wheels, of the bottom plate. Paired supporting rods are fixedly connected to the top side of the middle of the bottom plate, a rotary shaft is hinged to the ends, away from the bottom plate, of the supporting plates, and the outer side, close to one end of one of the supporting rods, of the rotary shaft is sleeved with a second belt wheel. Two corresponding hinging plates are hinged to the outer side, between the second belt wheel andthe other supporting rod, of the rotary shaft and are each in a triangular shape, and the three corners of one of the hinging plates correspond to the three corners of the other hinging plate. The first cutting piece, the second cutting piece and the third cutting piece are hinged between the two hinging plates. According to the road surface cutting machine, the structure is novel, the three cutting pieces are simultaneously hinged through the paired triangular hinging plates, rapid recombination and switching of the cutting pieces are achieved, the work efficiency is greatly improved, and popularization is easy.

The invention relates to a digital differential tension sensor based on a linear array CCD and a tension detection method using the sensor. The sensor includes a suspension beam made from elastic material. The inner end of the suspension beam is fixed. The middle of the right side and the middle of the back side of the suspension beam are each provided with a mirror reflection region. The outer end of the suspension beam is a free force bearing end. A first laser emitter and a second laser emitter are symmetrically arranged above and below the inner end of the suspension beam. Optical paths ofthe two laser emitters are inclined and face the mirror reflection regions. A first linear array CCD element and a second linear array CCD element that can sense laser reflected light are symmetrically arranged above and below the outer end of the suspension beam. Signal output ends of the two linear array CCD elements are electrically connected with a control circuit. Through differential calculation, the detection method obtains a relationship between tension and pixel offset of the linear array CCD elements to obtain the tension. The digital differential tension sensor is simple in structure and is high in detection precision, linearity and sensitivity, is convenient and reliable, and realizes digital measurement of micro-tension.

The invention provides an integrated circuit test module and a preparation method thereof. The integrated circuit test module comprises a test circuit board and an elastic structure. The test circuitboard comprises a plurality of contacts. The elastic structure is arranged on the test circuit board; the elastic structure comprises a plurality of probe groups and an elastic rubber block; each probe set comprises a first metal ball, a second metal ball and a metal wire, the metal wires are connected between the first metal balls and the second metal balls, the second metal ball is electricallyconnected to the contacts, the probe sets are vertically and partially wrapped in the elastic rubber block, and the first metal balls are used for being electrically contacted with an element to be tested. Therefore, the conventional double-head probe can be replaced by the elastic structure with the elastic rubber block and the probe group, so that the manufacturing and maintenance cost of the double-head probe is reduced.

The invention relates to a pressure switch suitable for a pump, and solves the problems caused by frequent start of a pressure switch in the prior art. According to the scheme, the pressure switch comprises a check valve and a switch body, wherein an outer pressure taking port is arranged on a valve base, a non-return passage and a drainage passage are arranged in the valve base, wherein the non-return passage comprises a water inlet section and a non-return section, and the water inlet end of the drainage passage communicates with the water inlet section, the outer pressure taking port communicates with the water inlet section, and the water outlet end of the drainage passage communicates with the non-return section; and an inner pressure taking port arranged on the switch body cooperateswith a detection passage, an outer pressure taking end of a detection assembly cooperates with the outer pressure taking port, the inner end of a sealing assembly of the inner pressure taking port cooperates with the inner pressure taking port, and the outer end cooperates with the outer pressure taking port. The pressure switch has the effects that under a working condition of impurities containing silt, the problem of failure of automatic control of the water pump can be effectively solved, a user can be prevented from debugging a pressure switch value, the user can conveniently use the pressure switch, and frequent actions of the switch can be avoided.

The invention provides a beam-pumping unit which comprises a base, a machine frame, a support, a crank, a driving device and a walking beam. The machine frame and the support are both installed on the base, the driving device is installed on the machine frame, the output end of the driving device is connected with a first gearbox, the output end of the first gearbox is connected with a driving gear, a second gearbox is arranged on the machine frame, the input end of the second gearbox is provided with a driven gear matched with the driving gear, the crank is installed on an output shaft of the second gearbox, a connecting rod is hinged to the crank, the other end of the connecting rod is hinged to one end of the walking beam, the other end of the walking beam is provided with a horse head, the walking beam is hinged to the support, and a vibrator is arranged at the connecting position of the walking beam and the support. The beam-pumping unit is simple in structure, convenient to use and install, simple to operate, low in cost, high in working efficiency, low in energy consumption, wide in application range, long in service life, safe and reliable, effectively reduces stroke frequency, and meets adopted production requirements.

The invention discloses a high-voltage frequency converter. The high-voltage frequency converter comprises a high-voltage frequency converter main body, a base and a support seat, as well as an iron core transformer, a control cabinet and power units, which are all arranged in the high-voltage frequency converter main body, wherein the support seat is mounted on the base; the high-voltage frequency converter main body is mounted on the support seat; a vertical partition board is arranged in the high-voltage frequency converter main body; three transverse partition boards are arranged in the high-voltage frequency converter main body on the left side of the vertical partition board; the control cabinet is mounted on the right side of the vertical partition board; the power units are mounted on the three transverse partition boards; the iron core transformer is mounted at the inner bottom of the high-voltage frequency converter main body; through holes are formed in the support seat; a cooling fan is arranged on the high-voltage frequency converter main body. The high-voltage frequency converter is simple in structure, convenient to use and mount, simple to operate, low in cost, convenient for wiring, good in radiating effect, wide in application range and long in service life, saves labor and is safe and reliable.

The invention discloses an integrated solar street light. The integrated solar street light comprises an aluminum alloy box, a solar battery assembly, a storage battery, a light source, an intelligent controller, an infrared intelligent sensor head, a street light system switch, a storage battery bin heat emission hole and a fixing bracket. The integrated solar street light integrates a solar battery panel, a light head, a controller and the storage battery, all components are connected closely and have no relative movement, so that the solar street light is more beautiful, installation and maintenance are easy, operation is reliable, and using in difficult conditions can be met; and an intelligent battery controller adopts a reasonable storage battery charging and discharging strategy and achieves simple algorithm, so that the use efficiency of the solar battery panel is improved, and the service life of the storage battery is also prolonged.

The invention relates to a climbing formwork device and a construction method thereof. The climbing formwork device comprises a supporting platform, a supporting column, a construction platform and adriving part. The supporting platform comprises a first bottom plate and at least two first supporting parts. The first supporting parts can stretch outside or shrink into the first bottom plate. Thesupporting column is vertically connected to the first bottom plate. The construction platform is arranged outside the supporting column in a sleeving manner, the construction platform is located above the supporting platform and is parallel to the supporting platform, the construction platform comprises a second bottom plate and at least two second supporting parts, and a bearing part is arrangedon the surface, close to the supporting platform, of the second bottom plate. One end of the driving part is connected to the bearing part while the other end of the driving part is connected to thesupporting column and can move along the supporting column. The climbing formwork device in double supporting design is safe and reliable and simple in structure. The construction platform and the supporting platform can move along the supporting column, so that the climbing synchronism and stability of the construction platform are improved favorably. In addition, the construction method of the climbing formwork device is simple in step, easy to operate and suitable for being popularized and applied.