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69results about How to "Reduce replacement time" patented technology

Converter bottom blowing air brick, special drilling machine and quick thermal replacement method of air brick

ActiveCN102676730AReduce replacement timeGood high temperature strength and thermal shock resistanceManufacturing convertersElectrical and Electronics engineeringCorundum
The invention relates to a converter bottom blowing air brick, a special drilling machine and a quick thermal replacement method of the air brick, which belong to the technical field of converter top and bottom composite blowing equipment and a method and are used for performing quick thermal replacement on the converter bottom blowing air brick. The technical scheme is as follows: the adopted air brick consists of an upper section, a middle section and a lower section. A protecting sleeve brick consists of an upper sleeve brick and a lower sleeve brick. The upper sleeve brick is a magnesia carbon brick, and the lower sleeve brick is made of a corundum-cast material. The protecting sleeve brick is sleeved outside the air brick. A converter bottom flange is welded at a converter bottom opening and is connected with the special drilling machine. The method comprises the following steps of: preparing the air brick, the protecting sleeve brick, the converter flange, a cylinder flange and the drilling machine; disassembling an old air brick; cleaning the cone frustum part of the lower sleeve brick of the protecting sleeve brick; drilling by using the drilling machine; installing the air brick; and connecting a tail pipe. According to the invention, a damaged bottom blowing air brick is replaced in short time under a hot state and the protecting sleeve brick can be replaced for several times without being damaged, so that the combined blowing of a converter in the whole service life can be realized.
Owner:宣化钢铁集团有限责任公司 +2

Multi-shaft operation type grinding platform used in bearing ring bar discharging process

The invention relates to the technical field of bearing machining devices, in particular to a multi-shaft operation type grinding platform used in a bearing ring bar discharging process. The multi-shaft operation type grinding platform comprises a bottom plate and a control seat, the bottom plate is connected with the control seat, the control seat is connected with a cylindrical shaft rod, one end of the shaft rod extends into the control seat, the other end of the shaft rod is connected with a grinding cutter, one end of the grinding cutter extends into a cylindrical groove formed in the endof the shaft rod, a plurality of evenly-distributed clamping units are annularly arranged on the periphery of the grinding cutter and arranged on the shaft rod, an air pipe cavity, an annular pipe cavity and a collecting and distributing pipe cavity are formed in the shaft rod, and one end of the air pipe cavity is connected with the outer wall of the shaft rod. According to the multi-shaft operation type grinding platform, through the structural design, rapid separation and combination between the shaft rod and the grinding cutter are achieved, the operation is easy, the replacement time isshortened, the whole grinding common work quality is improved, and regular maintenance and repair work of workers is facilitated.
Owner:山东国创精密机械有限公司 +1

Quick connecting device for punch top and mandril of perforator

ActiveCN101559436AReduce worker workloadReduce replacement timeMandrelsMetal rolling arrangementsSteel tubeEngineering
The invention discloses a quick connecting device for a punch top and a mandril of a puncher, and relates to a perforating tool of a seamless steel tube perforator. The quick connecting device comprises the punch top, the mandril and a loose joint connecting the punch top and the mandril, wherein the loose joint consists of a punch top loose joint and a mandril loose joint; one end of the punch top loose joint is provided with outside threads, while the other end is a guide cone of which the outer wall is provided with an annular groove, and the end with the threads is connected with the punch top; one end of the mandril loose joint is provided with outside threads, while the other end is a guide taper hole matched with the guide cone, the guide taper hole is provided with a pin hole corresponding to the annular groove in the horizontal direction of the taper hole, and the end with the threads is connected with the mandril; and the cone of the punch top loose joint is inserted into the guide taper hole of the mandril loose joint, and the overlapping position of the annular groove of the punch top loose joint and the pin hole of the mandril loose joint is provided with a positioning pin roll. The quick connecting device can meet the requirement of quick replacement of the punch top on line, improves production efficiency, and can be recycled to reduce production cost.
Owner:TAIYUAN HEAVY IND

Rapid replacing device for tyre vulcanization die

The invention which relates to a rapid replacing device for a tyre vulcanization die belongs to the tyre manufacturing equipment field. The device is provided with an upper subplate and a lower subplate, a lower hot plate is positioned above the lower subplate, and an upper hot plate is positioned under the upper subplate. The device is characterized in that: two guide rails are arranged on the lower hot plate; the side surface of each guide rail is sloping, wherein the inner part is lower than the outer part; the lower side surface of the tyre vulcanization die is provided with two slide slots coinciding with the two guide rails; the outer side of the lower hot plate is provided with a die carrying dolly; the upper side surface of the die carrying dolly is sloping, wherein the front part is lower than the rear part; the upper subplate and the lower subplate are respectively provided with hydraulic oil cylinders; the front end of the piston rod of each hydraulic oil cylinder is provided with a cam; the tyre vulcanization die is provided with cam-shaped holes, so the cams respectively traverse through holes on the corresponding subplate and the corresponding hot plate to enter the cam-shaped holes on the tyre vulcanization die, thereby tightly locking the tyre vulcanization die with the upper hot plate and the lower hot plate. The device can greatly reduce the tyre die replacing time, reduce the labor intensity of die replacing people, and improve the production efficiency.
Owner:TRIANGLE TIRE

Continuous Compression Wire Spring Polishing Apparatus Configured to Easily Replace Two Parallel and Opposite Grindstones

The present disclosure relates to a contiguous compression wire sprang polishing apparatus that continuously polishes end surfaces of compression wise springs (10) by upper and lower chain conveyers 100 and 200 and grinding units 300. The apparatus includes: two gaming units (300) each having a grindstone (350) to which rotational force of a motor (240) is transmitted through a gear box (260), the motor (240) having a rotary shaft being located above a central axis of the grindstone (350), and the two grinding units (300) being installed to be parallel and opposite to each other at opposite sides of a compression wire spring (10) fixed to the continuous compression wire spring polishing apparatus so as to polish opposite end surfaces of the compression wire spring (10); two hinge shafts (140), which are fixed at positions, which are spaced apart from grindstones in the lowest surface of the grinding units (300) by a predetermined distance, and which are inserted into and coupled to bearings, which are fixed to a body of the polishing apparatus; an upper guide (225) configured to prevent the compression wire spring (10) from springing out and a rod end fixing shaft (150) fixed to an end of the cylinder rod (170) of the pneumatic cylinder (180) inserted into and coupled to a bearing fixed at a position between the grindstone rotation shaft and the hinge shaft (140) in each of the grinding units (300). The grindstone rotation shaft of each of the grinding units (300) is turned into the vertical state or the horizontal state according to the forward and backward movements of the pneumatic cylinder (180), so that the two grindstones (350) of the grinding units (300), which are mounted to be parallel and opposite to each other, can be easily replaced.
Owner:DAEWON APPLIED ENG CO

Vertical continuous annealing furnace rapid blowing out method

ActiveCN106854697AReduce replacement timeReduce nitrogen usageFurnace typesHeat treatment process controlAtmosphereWelding joint
The invention relates to a vertical continuous annealing furnace rapid blowing out method. The vertical continuous annealing furnace rapid blowing out method is mainly used for technical problems in the prior art that furnace inside atmosphere replacing and furnace temperature reducing process is slow in vertical continuous annealing furnace blowing out, and blowing out time is relatively long. The vertical continuous annealing furnace rapid blowing out method comprises following steps: 1, a hydrogen flow valve is turned off; 2, a transition material is delivered into a vertical continuous annealing furnace, wherein the running speed of the transition material in the vertical continuous annealing furnace is controlled to be 280 to 350mpm; 3, furnace temperature is reduced step by step, wherein in a first period, the temperature of the vertical continuous annealing furnace is set to be 500 DEG C when the weld joints of a normal material and the transition material reach a final cooling segment, in a second period, the temperature of the vertical continuous annealing furnace is reduced to 500 DEG C, running of strip steel in the vertical continuous annealing furnace is stopped, and the temperature of the vertical continuous annealing furnace is set to be 300 to 400 DEG C; and 4, furnace covers are removed step by step. Technical control of the vertical continuous annealing furnace rapid blowing out method is simple, blowing out time of vertical continuous annealing furnaces is shortened effectively, and rapid blowing out of the vertical continuous annealing furnaces is realized.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD

Ultrasonic detection wheel calibration system and method

The invention discloses an ultrasonic detection wheel calibration system and method. The system comprises a base, a mounting frame,a detection wheel mounting part, a bearing part, a liquid storage tank, a calibration test block, asheet-shaped wheel film and a detection wheel, wherein the mounting frame is arranged on the base; the detection wheel mounting part is arranged on the mounting frame andis used for fixing the detection wheel; the bearing part is arranged on the base; the relative positions of the detection wheels can be changed in the three directions perpendicular to one another inpairs relative to the bearing part; the liquid storage tank is arranged on the bearing part; the calibration test block is arranged in the liquid storage tank and is used for testing the performanceof the detection wheel; the sheet-shaped wheel film is arranged at the top of the calibration test block, the sheet-shaped wheel film is used for simulating amplitude attenuation generated when ultrasonic waves pass through the wheel film of the detection wheel, and the upper surface of the detection wheel liquid submerges the sheet-shaped wheel film; and the detection wheel is mounted on the detection wheel mounting part. The system can solve the technical problems that according to an existing ultrasonic detection wheel calibration mode, one detection wheel needs to be used for calibrating aplurality of probes of the same type, much time needs to be spent on probe replacement before each calibration, and efficiency is very low.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

Auxiliary replacement device for post insulators and mounting structure

The invention discloses an auxiliary replacement device for post insulators, which comprises a hanging part, a supporting part and a limiting part. The hanging part is connected with one end of the supporting part. The other end of the supporting part is connected with the limiting part. The supporting part is arranged under a post insulator and is used for supporting the post insulator. By means of the auxiliary replacement device for post insulators, when the maintenance personnel is to replace or maintain a faulted post insulator in a substation, the hanging part of the auxiliary replacement device is hung onto an angled blade plate. Meanwhile, the limiting part is connected with an aluminum busbar and the faulted post insulator is placed on the supporting part. In this way, the faulted post insulator is supported by the supporting part during the replacement or maintenance process of the faulted post insulator, so that the maintenance personnel does not need to manually hold the post insulator. Therefore, the device lightens the working strength and shortens the replacement time, thereby improving the production efficiency and lowering the security risk. Meanwhile, the device is simple in structure and convenient to carry about.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Pipe bagging machine bag feeding mechanism with external charging barrel

The invention relates to the technical field of pipe bagging machines and discloses a pipe bagging machine bag feeding mechanism with an external charging barrel. The bag feeding mechanism comprises a rack. The lower end of the side face of the rack is provided with a horizontal supporting frame. Two parallel charging barrel seats are arranged on the supporting frame. The charging barrel used for storing a material roll is arranged between the two charging barrel seats. An inclined reversing roller is arranged in the rack. The upper end of the rack is provided with a bag opening mechanism. A lower supporting roller is arranged on the side face of the rack and located between the reversing roller and the charging barrel. An upper supporting roller is arranged in the rack and located at the feed end of the bag opening mechanism. Material bags on the material roll are sequentially wound around the lower supporting roller, the reversing roller and the upper supporting roller to be connected with the bag opening mechanism. According to the pipe bagging machine bag feeding mechanism, the charging barrel and the material roll are located outside the rack, the material roll is convenient to replace, the material roll replacement time is effectively shortened, and the production efficiency is improved.
Owner:ZHEJIANG SHUANGLIN PLASTIC MACHINERY

Supporting roller quick-changing support and quick-changing method thereof

The invention provides a supporting roller quick-changing support and a quick-changing method thereof. The supporting roller quick-changing method comprises the following steps that S1, a lower supporting roller is pulled out of a rack; S2, the supporting roller quick-change support is hoisted to the lower supporting roller to achieve positioning of the supporting roller quick-change support and the lower supporting roller; S3, the supporting roller quick-change support and the lower supporting roller are pushed into the rack together to realize positioning of the upper supporting roller and the supporting roller quick-change support; S4, the upper supporting roller, the supporting roller quick-change support and the lower supporting roller are pulled out of the rack together; S5, after the upper supporting roller is lifted away, a new supporting roller is lifted to the position above the supporting roller quick-change support, and the new upper supporting roller is descended so that the two ends of the new upper supporting roller can be located with the supporting roller quick-change support in sequence; S6, the new upper supporting roller returns to the rack along with the lower supporting roller and the supporting roller quick-change support, and then the new upper supporting roller is separated from the supporting roller quick-change support; and S7, the supporting roller quick-change support and the lower supporting roller are pulled out of the rack together and then lifted away from the supporting roller quick-change support, so that replacement of the upper supporting roller is completed.
Owner:CHONGQING IRON & STEEL CO LTD

Clamping base of assembled type cloth stretching frame on quilting machine

The invention discloses a clamping base of an assembled type cloth stretching frame on a quilting machine. The clamping base comprises two front and rear distributed cross beams; vertical columns arefixed at the lower ends of the cross beams; L-shaped side brackets are fixed on the two sides of the cross beams; an L-shaped back clamping plate is fixed at the back ends of the side brackets, and anL-shaped front clamping plate is arranged at the front ends of the side brackets; a plurality of inclined back connecting rods are fixed on the cross beams at the front ends of the sided brackets; the lower ends of the back connecting rods are hinged with inclined front connecting rods through a hinged shaft; the upper ends of the front connecting rods are fixed on a vertical supporting plate; aplurality of T-shaped guide rods are inserted on the supporting plate; the guide rods penetrate through the supporting plate to be fixed on the front clamping plates; the guide rods are sleeved with compression springs in an inserting mode, and the two ends of the compression springs abut against the supporting plate and the front clamping plate; strip-shaped groove openings are formed in the sidewalls at the front ends of the side brackets; and limiting rods are fixed on the two sides of the front clamping plate, and the limiting rods are inserted in the corresponding groove openings in theside brackets.
Owner:徐政贤
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