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191results about How to "Easy to tap" patented technology

System for monitoring complicated oil deposit flooding conditions

The invention discloses a system for monitoring complicated oil deposit flooding conditions, comprising an input unit, a multi-level processing unit and a display unit, wherein the input unit is used for inputting well point geologic parameters; the multi-level processing unit is used for building hidden geologic characteristic parameters according to the well point geologic parameters input by the input unit, finishing multi-layer, multi-well, multi-phase and multi-driving power energy balance analysis and calculation of a block, further building an injecting and extracting correspondence relationship among wells and carrying out comprehensive inversion treatment on the layered and partitioned flooding conditions by using improper functions to obtain distribution data of various sucking sections and layered flooding conditions of the block and a single well in different periods; and the display unit is used for displaying the injecting and extracting correspondence relationship amongwells, built by the multi-level processing unit, and the obtained diagram result data of the distribution of the various sucking sections and the layered flooding conditions of the block and the single well in different periods. The system can obtain accurate layered flooding condition data and different levels of section analyzed result data, improve the extracting precision, and save the manpower and material resources.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Input method, input apparatus, and terminal device

An input method is provided by embodiments of the present invention, relating to the communications field, and invented to improve the input experience of a user. The input method includes: providing an input interface on a touch display screen, where the input interface includes a virtual soft keyboard distributed in a sector area around a lower left corner or lower right corner of the input interface; receiving an input instruction which is input by a user through the virtual soft keyboard; and displaying input information corresponding to the input instruction. An input apparatus and a terminal device are also provided by embodiments of the present invention. The present invention is applicable to a mobile device or a handheld device.
Owner:HONOR DEVICE CO LTD

Combined cooling/climate control system for motor vehicles

The present invention relates to a combined cooling / climate control system for motor vehicles for cooling the motor vehicle's electrical and / or electronic components and air conditioning of a passenger compartment of the vehicle, comprising: a main ventilation duct (13); a fan (15) for drawing in air disposed in the main ventilation duct; a heating unit (16) downstream of the fan (15) for selective warming of air, which is to be supplied to the passenger compartment; and for cooling the electrical and / or electronic components with air drawn in by the fan (15), an air supply pipe (20) downstream of the fan (15) and upstream of the heating unit (16) connected to the main ventilation duct (13) and an air discharge pipe (22) upstream of the fan (15) connected to the main ventilation duct (13).
Owner:LISA DRAXLMAIER GMBH

Carbon-containing slag suppression cold-bonded pellet and utilization method thereof

The invention discloses a carbon-containing slag suppression cold-bonded pellet and a utilization method thereof. In the carbon-containing slag suppression cold-bonded pellet, the TFe content is smaller than or equal to 45%, the carbon content is larger than or equal to 5%, the content of volatile components (including decomposable gas) is larger than or equal to 10%, and the specific gravity is smaller than or equal to 3.5 g / cm<3>. The pellet is added into a converter from a high bin while lance lifting is about to be finished through blowing in the dephosphorization stage of the converter or when lance lifting is about to be finished through the blowing end point of the converter, and then deslagging or tapping is carried out. The carbon-containing slag suppression cold-bonded pellet and the utilization method have the beneficial effects that iron and carbon in gas dust sludge or other iron and carbon containing metallurgy dust sludge can be efficiently utilized, and waste paper pulp, tar slag and other waste are used as additives for pelletizing; the process is simple, and cost is low; the pellet is only used as slag, heat energy of the slag is fully utilized, and the influence of the temperature of molten steel is extremely low; foam slag can be suppressed effectively, and deslagging or tapping in the dephosphorization stage is facilitated; and by means of reduction of FeO in the pellet and FeO in the slag, the yield of the molten steel is increased, consumption of a deoxidizing agent and an alloy is reduced, and slag-splashing furnace protection work is facilitated.
Owner:王虎

Quick gravel screening device for construction site

ActiveCN108296160ATo achieve the function of blankingAchieve stirring functionSievingConveyorsArchitectural engineeringSlide plate
The invention relates to a screening device, in particular to a quick gravel screening device for a construction site. The invention aims to solve the technical problem so as to provide the convenient-to-use quick gravel screening device for the construction site. In order to solve the technical problem, the invention provides the quick gravel screening device for the construction site. The quickgravel screening device for the construction site comprises a base, a first slide rail, first slide blocks, a support plate, support rods, a first screen mesh, a second screen mesh, a slide plate, a first connecting rod, a first fixing plate, a first motor and the like. The first slide rail is fixedly connected onto the base; the two slide blocks are slidably connected onto the first slide rail; the support plate is fixedly connected onto the two first slide blocks; and the support rods are fixedly connected onto the support plate in a left-and-right symmetrical way. The quick gravel screeningdevice for the construction site provided by the invention realizes a function on screening gravels, and not only realizes a function on quickly screening the gravels, but also realizes a function onconveying the gravels.
Owner:SHANDONG QIXING RESIDENTIAL IND CO LTD

Drilling and tapping integrated machine tool

The invention discloses a combined drilling and tapping machine tool, which comprises a base, a PLC controller is installed on the front side of the upper surface of the base, and a horizontal driving cylinder is installed on the right end of the upper surface of the base. The combined drilling and tapping machine tool has a simple structure. , strong stability, easy adjustment, the switching between drilling tool and tapping tool can be realized through the rotation of the tool disc, and the alignment of the tapping tool can be completed only by radial rotation when the workpiece is fixed, and the adjustment and switching are convenient. It is not easy to cause displacement difference caused by adjustment, and at the same time, the speed is fast. The fixture seat can be adjusted two-dimensionally relative to the tool disc, which is convenient for the tool to perform drilling and tapping operations at any position on the workpiece. It has strong applicability and can meet the needs of different processing positions. , After the workpiece is positioned on a machine tool, the two operations of drilling and tapping can be completed successively, which avoids the tapping deviation caused by repeated positioning of the workpiece, reduces the labor intensity of workers, and improves the processing efficiency.
Owner:JIANGSU HENGLI MACHINE TOOL

Automatic nut-tapping machine

The invention mainly discloses an automatic nut-tapping machine, wherein the technical scheme thereof is as follows: the automatic nut-tapping machine comprises a rack, a tapping device, a feeding device, a controller and two clamps, wherein a clamping opening is formed in each clamp, a push plate is arranged in each clamping opening, a cam mechanism and a motor are arranged at the lower side of the rack, the feeding device comprises a support and a feeding box, and a material guide frame is arranged on the support and at the lower side of the feeding box; and two open grooves adaptive to nuts are formed in the feeding box, two nut grooves are formed in the material guide frame, the tapping device comprises a spindle box, two spindles and two nut taps, the spindles are connected with the corresponding nut taps respectively, a push rod is arranged at the outer side of each spindle, the cam mechanism drives the push plates to move back and forth, thus the push plates push the nuts in the clamping openings to be matched with the nut taps, and the spindle box drives the spindles to rotate, thus the nut taps are driven to tap the nuts. The automatic nut-tapping machine disclosed by the invention has the advantages of being simple in structure, and rapid and convenient to tap.
Owner:东莞市关键自动化设备有限公司

Hollow bolt comprising a longitudinal bore

A process for producing hollow bolts including a longitudinal bore with the hollow bolts being provided with circumferential notches. The hollow bolts are provided with longitudinal grooves extending between elevations determining the bolt diameter, wherein circumferential notches are rolled onto the hollow bolts provided with the longitudinal grooves and the elevations, the longitudinal grooves being of such cross-section that some of the material displaced during rolling-on of the notches flows into the longitudinal grooves.
Owner:EJOT GMBH & CO KB

Medical self-drilling self-tapping fixed bone spicule

ActiveCN101352368AHigh strengthBest anchoring conditionFastenersBiomedical engineeringOperative time
The invention provides a medical self-drilling and self-tapping fixed bone needle, comprising an end drill edge part (1) with integrated structure, a middle cylinder part (2) and an interface part (3) at the tail end; the drill edge part (1) comprises a drill edge (11), a tapping edge (12) and a fixed thread (13); the tapping edge (12) is arranged between the drill edge (11) and the fixed thread (13); the shape of the tapping edge (12) is gradually transited from low and flat drill edge (11) to an edge identical to the fixed thread (13). The medical self-drilling and self-tapping fixed bone needle overcomes the shortages that the existing bone needle operation has complex process and inconvenient operation and the operation time and blood outgoing quantity of the patient are increased, etc. The medical self-drilling and self-tapping fixed bone needle can complete the operations of drilling, tapping and bone needle fixing.
Owner:WUHAN CONSTANT SCI & TECH

Camshaft toothed wheel hub for automobile engine and powder metallurgical preparation method for camshaft toothed wheel hub

The invention discloses a camshaft toothed wheel hub for an automobile engine and a powder metallurgical preparation method for the camshaft toothed wheel hub. The method comprises the following steps: S101, preparing materials; S102, pressing and forming; S103, sintering blank; S104, refining and processing; S105, performing steam treatment; and S106, detecting and packaging. The method is linked up orderly, is fewer in processes, and has a material utilization rate higher than 95%. The camshaft toothed wheel hub obtained by the method is less in machining amount, is high in output per shift and is good in consistency, so that the product manufacturing cost is reduced by 50% when various performance requirements of the camshaft toothed wheel hub are met.
Owner:马鞍山市华东粉末冶金厂

Leg medical care device based on cam drive lifting principles

The invention discloses a leg medical care device based on cam drive lifting principles. The leg medical care device comprises a bottom plate, supporting plates are fixedly connected on two sides of the bottom plate, first grooves with upward openings are formed in the supporting plates, lifting plates are arranged in the first grooves, a bearing plate is collectively and fixedly connected at thetop of the two lifting plates, a placing groove is formed in the middle of the upper side of the bearing plate, the bearing plate is connected with a bottom plate through an adjusting device, two massage devices are symmetrically and fixedly connected on the upper side of the bearing plate and comprise supporting frames, swinging rods are hinged at the top ends of the supporting frames, a beatingdevice is fixedly connected at one end of each swinging rod, and the lower side of the other end of each swinging rod is connected with the upper side of the corresponding supporting frame through a first spring. The device has the advantages that a rotating rod drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, the driven bevel gear drives a threaded rod to rotate, and an adjusting column matched with the threaded rod moves upwards, so that the bearing plate rises.
Owner:张华勋

Medical leg nursing equipment based on height step adjusting principle

The invention discloses medical leg nursing equipment based on a height step adjusting principle. The medical leg nursing equipment comprises a base plate, wherein supporting plates are fixedly connected to both sides of the base plate; a first groove, which is provided with an opening facing upwards, is formed in each supporting plate; lifting plates are arranged in the first grooves; a bearing plate is fixedly connected to the tops of the two lifting plates; a placing groove is formed in the middle of the upper side of the bearing plate; the bearing plate is connected to the base plate via an adjusting device; two massaging devices are symmetrically fixedly connected to the upper side of the bearing plate; each massaging device comprises a support frame; a swinging rod is hinged at the top end of the support frame; a beating device is fixedly connected to one end of the swinging rod; and the lower side of the other end of the swinging rod is connected to the upper side of the supportframe via a first spring. The medical leg nursing equipment provided by the invention has the beneficial effects that a driving bevel is driven to rotate via a rotating rod, a driven bevel gear is driven to rotate via the driving bevel gear, a threaded rod is driven to rotate via the driven bevel gear, and an adjusting pillar, which is matched with the threaded rod, is moved upwards, so that thebearing plate is risen.
Owner:张华勋

Machining equipment used for producing special-shaped ornaments and having automatic drilling and polishing functions

The invention discloses machining equipment used for producing special-shaped ornaments and having automatic drilling and polishing functions. The equipment comprises a bottom case. A first servo motor is installed above the left of an inner cavity of the bottom case. A center shaft is arranged at the centering position of a center line of a rotary clamping base vertically in a transverse penetrating manner. Flow guide grooves are connected above plane overlooking pushing plates of the bottom case. Gap conveying mechanisms are arranged on the middle portions of the flow guide grooves. Slidingcases are symmetrically installed on the rotary clamping base. Controllers are arranged on the bottoms of the sliding cases. Sliding rods are symmetrically arranged on the two sides of the interiors of the controllers. According to the equipment, the gap conveying mechanisms are arranged in the flow guide grooves, the pushing plates on conveying plates of the gap conveying mechanisms are arrangedat equal distance, the ornaments can be moved horizontally and conveniently one by one, meanwhile, by arranging the pushing plates and the rotary clamping base, the ornaments can be conveniently pushed to the rotary clamping base to be rotated to the inner sides of the sliding cases, errors caused by manual feeding and discharging are avoided, and the ornaments are positioned beneficially.
Owner:东莞市优伟机电科技有限公司

Character input method and character input device based on one-key click or multi-key simultaneous click

The invention relates to a character input method and an input device for implementing the method. The input device using the input method provided by the invention is provided with five or more than five keys; a character is input in the mode of independently clicking one key or clicking a plurality of keys at the same time; and when a plurality of keys are clicked at the same time, the input of different characters is realized by the combination of different keys. By the input method and the input device, the number of the keys required for inputting the characters can be greatly reduced; the size or the area of the input device is reduced; particularly all visible characters of a current universal keyboard can be input by one hand easily and conveniently, so that a one-hand keyboard in a true sense is realized; and all universal keyboard characters can be input by one-hand touch-typing by a user with a little practice. The input method can be widely used in input devices such as the keyboard, an input board and a touch screen.
Owner:李新宇

Multi-body motor

The invention provides a multi-body motor, and belongs to the technical field of motors, which solves the problem of the existing motor that the rotation speed cannot be quickly and conveniently adjusted. The multi-body motor comprises a stator iron core and a rotor iron core, wherein the cross section of the stator iron core is in an annular shape, the rotor iron core is positioned in an inner ring of the stator iron core and can rotate relative to the stator iron core, the peripheral surface of the rotor iron core is embedded with a magnetic steel sheet, the inner ring of the stator iron core is uniformly provided with a plurality of coils in the circumferential direction, at least three adjacent coils form an independent stator winding, the number of the independent stator windings is at least two, and each stator winding can independently form a rotary magnetic field after being energized. The multi-body motor has the advantages that the multiple independent stator windings are adopted, and when one part of stator windings works, the stator windings not working are not energized, so the stator windings not working have no empty load loss, the energy saving effect is good, and the switching of multiple rotation speed working conditions is convenient; and the electromagnetic noise in the whole working process of the motor is low, and the benefit is high.
Owner:胡风华 +1

Pneumatic permanent magnet magnetic drill

The invention relates to a magnetic drill and discloses a pneumatic permanent magnet magnetic drill. The pneumatic permanent magnet magnetic drill comprises a magnetic seat, and a body which is fixed on the magnetic seat. The body is connected with a main shaft case which is connected with a pneumatic motor for driving; the pneumatic motor is arranged on the main shaft case; and the magnetic seat is a permanent magnet seat. Due to the adoption of the technical scheme, compared with the traditional magnetic drills, the pneumatic permanent magnet magnetic drill has the remarkable advantages of stable magnetic force, no electric shock or burnout, stepless speed regulation, and applicability for power supply free environment, and the like.
Owner:上海浦东气动工具厂

Exhaust gas bypass actuating mechanism and turbocharger with mechanism

The invention relates to an exhaust gas bypass actuating mechanism of a supercharger. The exhaust gas bypass actuating mechanism comprises a pull rod, a rocking arm and a locking piece, wherein the pull rod is hinged to the rocking arm, the locking piece is elastic, one end of the locking piece is connected to the rocking arm, and the other end of the locking piece is fixed to the pull rod so as to stabilize the relative position between the pull rod and the rocking arm. According to the exhaust gas bypass actuating mechanism, the locking piece which is made of elastic materials is additionally arranged on the bypass actuating mechanism so as to generate axial pretightening force on the pull rod, so that the knocking problem is improved, and noise is reduced; the change of a bypass valve actuating mechanism is less, so that the cost is low; and the locking piece is suitable for various bypass actuating mechanisms of similar structures and has the advantage of high applicability.
Owner:ZHEJIANG YILI AUTO PARTS CO LTD

Production equipment and production process of skincare lotion

The invention relates to production equipment of a skincare lotion, which comprises a device body, a feeding hopper, a driving motor, a stirring barrel and a servo motor, the feeding hopper is fixedly installed on the edge side of the upper end of the device body, the driving motor is installed in the middle of the upper end of the device body, and the lower end of the driving motor is connected with a transmission rod; the transmission rod is mounted in the middle of a carrying plate in a penetrating manner, a movable rod is mounted at the lower end of the transmission rod, a mixing rod is mounted on the side of the movable rod, a rack is fixedly connected to the lower end of the side of the stirring barrel, a main gear is mounted on the side of the carrying plate, and a swing rod is fixedly mounted at the upper end of the main gear. According to the production equipment of the skincare lotion and the production process thereof, the raw material mixing effect can be improved during processing, meanwhile, bubbles generated in the mixing process can be removed, the feeding amount can be effectively controlled, and raw materials adhering to the inner wall of the feeding hopper can be cleaned.
Owner:平世粉

Wired tapping machine

InactiveCN102689058AEasy to tapRealize automatic batch operationThread cutting machinesEngineeringMechanical engineering
The invention discloses a wired tapping machine, which comprises a support, a tapping machine, a multiple spindle device and a feeding machine. With using state serving as benchmark, the multiple spindle device is fixedly arranged on the support, the tapping machine is fixedly arranged above the multiple spindle device, the multiple spindle device is provided with a plurality of vertical downward tapping heads, and the tapping machine can just drive the plurality of vertical downward tapping heads on the multiple spindle device to perform downward tapping movements simultaneously. The feeding machine can just drive a material tape to be tapped to move along horizontal direction. The tapping machine is not only simple in structure, but also capable of performing automatic integral tapping operations before products are molded, thereby being very convenient to use.
Owner:昆山金群力精密组件有限公司

Machine tool for easy tapping of tube body

The invention provides a machine tool for pipe body tapping, which relates to the electromechanical field. The machine tool for pipe body tapping includes a bed body, the bottom of the bed body is fixedly connected with support legs, the top of the bed body is fixedly connected with two fixed blocks, and the sides of the two fixed blocks are provided with push screws The threaded ends of the two push screw rods both pass through the fixed block and extend between the two fixed blocks. Two clamping blocks are arranged between the two fixing blocks, and the sides of the two clamping blocks that are far away from each other are fixed The first bearing is connected, and the threaded ends of the two push screw rods are located between the two fixing blocks and are fixedly sleeved with the first bearing. This machine tool is convenient for pipe body tapping. The transmission motor drives the rotation of the main gear and the transmission gear, so that the slider can move horizontally to the left inside the chute. Carry out positioning tapping, effectively improve the accuracy of tapping and improve the tapping efficiency.
Owner:王之韵

Rapid cleaning device of cement barrel for building

InactiveCN109174867AEasy to tow and moveFastening for easy fasteningHollow article cleaningEngineeringMechanical engineering
The invention provides a rapid cleaning device of a cement barrel for a building. The device comprises a base, a cement barrel fixing assembly, a cleaning fluid storage tank, a storage cavity, and a storage battery pack; and a universal wheel is arranged at the bottom of the base, a traction hook is welded to the surface of one side of the base, the cleaning fluid storage tank is arranged on one side above the base, a conveying belt is arranged at the position, on one side of the cleaning fluid storage tank, above the base through a mounting frame, the surface of the conveying belt is providedwith the cement barrel fixing assembly through bolts, a first installation support column, a second installation support column, and a third installation support column are sequentially arranged at the positions, on one side of the conveying belt, above the base, and sliding rails are arranged on the surfaces of the first installation support column and the third installation support column respectively. According to the device, through arranging a series of structures, the device has the characteristics of being automatic in operation, high in cleaning efficiency, good in cleaning effect andthe like.
Owner:GUANGDONG BOZHILIN ROBOT CO LTD

Building sewage chemical treatment device

The invention discloses a building sewage chemical treatment device which comprises a machine body and an agent adding device, the agent adding device is fixed to the center of the top of the machine body, a driving rotating shaft, a conveying channel, a mixing device and a spiral blade are arranged in the machine body, and the driving rotating shaft is rotationally connected between two corresponding sides of the inner wall of the machine body and located in the center; and the top end of the driving rotating shaft is connected with the agent adding device in a matched mode through a rotating connector, the conveying channel is formed in the center of the interior of the driving rotating shaft, the mixing device is fixed to the surface of the driving rotating shaft, the agent adding device communicates with the mixing device through the conveying channel, and the spiral blade is fixed to the bottom of the surface of the driving rotating shaft. The invention relates to the technical field of sewage treatment. According to the chemical treatment device for the building sewage, the purpose of uniform mixing is achieved, reaction reagents can be rapidly and uniformly mixed, treatment of heavy metals in the sewage is facilitated, the sewage treatment effect is good, and the purification efficiency and the use performance are improved.
Owner:赵明兵

Hexagonal socket flange bolt machining device

The invention relates to a bolt machining device, in particular to a hexagonal socket flange bolt machining device. The hexagonal socket flange bolt machining device comprises a rack, a heating mechanism is arranged on the rack, a grooved wheel mechanism and a cam mechanism are arranged under the heating mechanism, the rack is provided with a mold mechanism, a thread rolling mechanism, a base andan output mechanism, and the output end of the output mechanism is connected with the input end of the grooved wheel mechanism and the input end of the cam mechanism. A blank material is heated and softened through a heating mechanism, and therefore subsequent punching machining and tapping machining are convenient. In the blank material heating process, the upper portion of the blank material enters the heating mechanism, and rotation of a grooved wheel disc is limited; and the upper portion of the blank material leaves from the heating mechanism under the action of a cam, rotation of the grooved wheel disc is not limited any more, therefore, the grooved wheel disc drives the blank material to fall into the mold mechanism from a second through hole, and subsequent punching machining and tapping machining are convenient. According to the hexagonal socket flange bolt machining device, production equipment in the prior art is integrated, and the production efficiency is improved.
Owner:NINGBO JINDING FASTENING PIECE

Clothes treating equipment capable of controlling machine door by knocking and control method thereof

The invention relates to the technical field of clothes treatment equipment. In order to solve the problem that a machine door of existing clothes processing equipment is inconvenient to open, the invention provides clothes processing equipment capable of controlling a machine door by knocking and a control method of the clothes processing equipment. The clothes processing equipment comprises a detection module, a control module and a switch module, wherein the detection module is used for detecting a knocking signal triggered by knocking the clothes processing equipment; the control module isused for controlling the action of the machine door according to the detection result; and the switch module is connected to the signal transmission path between the detection module and the controlmodule and is used for connecting or disconnecting the signal transmission path under the control of the control module. According to the clothes processing equipment and the control method thereof, provided by the invention, the frequent unlocking action of a door lock is avoided while the door opening mode of opening the machine door by knocking is realized, so that the process of opening the machine door by a user is more convenient, time-saving and labor-saving, and the user experience is improved.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1

Granular plastic product cleaning equipment

The invention discloses granular plastic product cleaning equipment, and relates to the technical field of machinery. The granular plastic product cleaning equipment comprises a cleaning box, a first cleaning table is fixedly embedded in the inner wall of the cleaning box, a stirring mechanism is arranged on the first cleaning table, the stirring mechanism comprises a magnet rod, a first sliding rod, a rotating pipe, a second sliding rod and a slag leakage hole, and the magnet rod and the first sliding rod are both installed on the outer wall of the first cleaning table in a sliding mode; and one end of the rotating pipe is rotationally installed on the magnet rod, the other end of the rotating pipe is slidably installed at one end of the second sliding rod, and the other end of the second sliding rod is rotationally installed on the outer wall of the first sliding rod. According to the granular plastic product cleaning equipment, through double cleaning of the first cleaning table and a second cleaning table, the granule cleaning efficiency is higher; and meanwhile, granules can be stirred through the stirring mechanism, all faces of the granules can be cleaned, cleaning water flow can be secondarily utilized in the cleaning process, and the water flow utilization rate is improved.
Owner:徐德龙

Economical cable branch box

The invention relates to an economical cable branch box, which comprises a metal outer box, a conductive grounding bar and at least one conductive wiring bar. A pair of insulating supports are arranged in parallel to the inner side of the metal outer box; the at least one conductive wiring bar is vertically arranged between the pair of insulating supports, and the two ends of the conductive wiring bar are fixedly connected with the corresponding insulating supports respectively; one side of the conductive wiring bar is provided with a plurality of wiring columns in linear arrangement, and one end of each wiring column is provided with a locking device; the conductive grounding bar is connected with the inner side of the metal outer box and is conductive; and the metal outer box is provided with a plurality of air holes and a plurality of inlet and outlet holes, wherein the inlet and outlet holes are in one-to-one correspondence with the wiring columns. Compared with the prior art, the economical cable branch box is simple to manufacture, low in cost, more flexible to use, convenient and quick, more reliable in connection and better in conduction effect and can prevent the problem of poor contact and the like; and the conductive wiring bar is arranged to the inner side of the metal outer box through the insulating supports, and besides, the conductive grounding bar can be grounded, so that a dual protection effect is achieved, the problems of electric leakage and the like can be prevented more effectively, and a safer use effect is achieved.
Owner:XINJIANG TBEA AUTOMATIC EQUIP

Vacuum tube switching core used for M type on-load tap-changer

The invention relates to a vacuum tube switching core used for an M type on-load tap-changer, which can be exchanged with a switching core of a traditional M type on-load tap-changer without changing a selector switch oil chamber. The vacuum tube switching core comprises a vacuum tube transition changing-over assembly and a main flow passage part, wherein an upper group of three-phase cavel contacts and a lower group of three-phase cavel contacts in the main flow passage part are combined together, placed at the lower part of the vacuum tube transition changing-over assembly and connected with an original main contact through soft connection to ensure that the position of the main contact is not changed. In the invention, the appearance structure and the installation size of switching core of the original M type on-load tap-changer are retained, thereby the switching core of the original M type on-load tap-changer can be conveniently replaced without changing the M type on-load tap-changer and other parts, for example, the structure of the selector switch oil chamber and the position of a connection pile head are not changed. The invention is suitable for the replacement and maintenance of the M type on-load tap-changer used on site and the manufacture of a new M type on-load tap-changer.
Owner:SHANGHAI HUAMING POWER EQUIP CO LTD +1
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