31results about How to "Suitable for disassembly" patented technology

The present invention is an ultra-high voltage standard capacitor, which is an upright structure in which both the high-voltage electrode and the low-voltage electrode are fixed in the pressure vessel tank at the bottom with an insulating support, and overcomes the influence of the increase of the voltage level of the standard capacitor on the increase of its voltage coefficient. problem; for the field test structure, the present invention divides the standard capacitor into three independently sealed air chambers, which solves the inconvenient transportation problem of large-scale test equipment, so as to be used for field test and detection. When the present invention is used for UHV standard capacitors The insulation level is extremely high, the short-term power frequency voltage withstand capacity can exceed 1600kV, the long-term rated working voltage exceeds 1200kV, and the voltage coefficient is better than 2×10-6. The invention can also be used in the production of standard capacitors with a rated working voltage of less than 1600kV voltage level.

The invention belongs to the technical field of power transmission and transformation overhaul devices and particularly relates to a wrench which comprises a first connecting rod and a steering mechanism. A first rotating shaft is rotatably connected into the first connecting rod; one end of the first rotating shaft is provided with a universal joint; the steering mechanism comprises an outer shell, a first bevel gear and a second bevel gear, wherein the first bevel gear and the second bevel gear are arranged in the outer shell; a second rotating shaft is coaxially fixed to the first bevel gear; one end of the second rotating shaft stretches out of the outer shell and then is fixedly connected with the other end of the universal joint; the first bevel gear and the second bevel gear are connected in engaged and transmission modes; a third rotating shaft is coaxially fixedly connected to the second bevel gear; and one end of the third rotating shaft is provided with a sleeve after stretching out of the outer shell. According to the wrench, a traditional universal joint and the steering mechanism are subjected to matching design, the operating radius of the wrench is about 90-135 degrees, and the disassembling and assembling requirements of all bolts in a power transmission and transformation station are met.

The invention discloses an electric full-suspension wheel set force-transfer pin disassembling device which comprises a base, two hollow oil cylinders, a movable beam and a fixed beam. A supporting base is arranged in the center of the base. The two sides of the base are symmetrically provided with two stand columns. The stand columns are fixedly provided with guide columns respectively. The two hollow oil cylinders are installed on the stand columns respectively. The guide columns penetrate through the hollow oil cylinders and are sleeved with the hollow oil cylinders. The two ends of the movable beam are connected with the hollow oil cylinders respectively. The guide columns penetrate through the movable beam and are movably connected with the movable beam. The movable beam is provided with an ejector rod. The two ends of the fixed beam are fixedly connected with the guide columns respectively. The fixed beam is provided with an ejection oil cylinder connected with a supporting piece. The supporting piece is provided with an outlet structure through which a force-transfer pin is allowed to penetrate. When the device is used for disassembling electric full-suspension wheel set force-transfer pins, operation is simple, the disassembly efficiency is high, and all the force-transfer pins on a wheel set can be disassembled through one-time hoisting.

The invention discloses a three-jaw puller which comprises three pull jaws, a puller seat and a lead screw. The pull jaws are movably arranged on the puller seat, a pull hook which is bent inwardly is arranged at one end of each pull jaw, the puller seat is connected with the lead screw in a threaded manner, three mounting frames are peripherally uniformly distributed on the puller seat, a plurality of mounting holes are formed in each mounting frame, and the pull jaws are arranged in the mounting holes via bolts and nuts. The three-jaw puller has the advantage that the three-jaw puller is applicable to detaching articles such as bearings with various sizes.

The invention provides an adjustable combined detacher, which has a three-section stepped round-bar arm, wherein the round-bar arm has a middle-section arm large in outer diameter and two side arms equal in length and outer diameter; the middle-section arm is provided with a radial through hole; an inner thread is arranged in the through hole; a main threaded ejector rod of which the outer wall has a thread matched with the inner thread in the through hole is screwed in the through hole; the two side arms are sleeved with four pairs of draw hooks, namely arc-claw draw hooks, shift-lever draw hooks, detaching-rod draw hooks and short draw hooks; each draw hook is provided with a straight rod body; the front end of each rod body is provided with a hook claw bending to one side; the rod body behind the rod body is provided with round holes matched with the two side arms; the axis of the round holes is perpendicular to the length direction of the rod bodies; the axis direction of the round holes is identical with the bending direction of the hook claws; the back end of each rod body is provided with a top screw; and a quadrilateral hoop frame formed by endplate bolts is arranged between one pair of opposite draw hooks. As the detacher has four pairs of different draw hooks, the detacher is suitable to detach bearings, gears, couplings, motor blades and other annular parts in different size, shapes and positions on different electromechanical-equipment shafts when electromechanical equipment is overhauled.

The invention discloses an installation mechanism used for installing an inner sleeve in a tubular heat exchanger. The tubular heat exchanger comprises an outer sleeve, sealing rings arranged on the inner sides of the two ends of the outer sleeve, and the inner sleeve. The installation mechanism is used for installing the inner sleeve into the sealing rings. The installation mechanism comprises a first fixing piece and a second fixing piece, wherein the first fixing piece is arranged outside one end of the outer sleeve in a sleeving mode, the second fixing piece is fixedly connected with the first fixing piece, and one end of the outer sleeve and the second fixing piece are distributed in a spaced mode. The arrangement direction of the first fixing piece and the second fixing piece is identical to the length extending direction of the outer sleeve. A through hole is formed in the second fixing piece. The installation mechanism further comprises a push rod and a handle, wherein the push rod is arranged in the through hole in a penetrating mode, the handle is arranged at the other end of the push rod, and the handle is used for driving the push rod to move in the length extending direction of the push rod during rotation. According to the installation mechanism, the push rod is driven by the rotation of the handle to move at a stable speed so that the inner sleeve can be stably pushed into the outer sleeve; and the acting force is uniform, the integrity of the sealing rings is guaranteed, the labor intensity of installation personnel is relieved, and the installation difficulty is lowered for the installation personnel.

The invention discloses an impact adjustable internal puller, which comprises a handle rod, an adjusting rod, an impact hammer and a clamping claw component, wherein the handle rod is constituted by a hollow circular tube; the front end of the handle rod is welded with a supporting frame, and the rear end of the handle rod is provided with a handle; the root part of the handle is welded with a fixed disc; the supporting frame consists of a left lug seat and a right lug seat; the impact hammer is sleeved on a polished rod part of the handle rod; the clamping claw component consists of a left pulling claw, a right pulling claw, and a tension slide block and a tension spring which are arranged between the left pulling claw and the right pulling claw; the middle part of the tension slide block is provided with a threaded hole; the adjusting rod is constituted by an iron stick and is penetrated in the handle rod; the front end of the adjusting rod is provided with a threaded head, and the rear end of the adjusting rod is provided with a hexagon nut; the threaded head at the front end of the adjusting rod is screwed with the threaded hole on the middle part of the tension slide block; and the hexagon nut at the rear end of the adjusting rod is pressed against an orifice at the rear end of the handle rod. The product is smooth to operate, convenient and easy to use, fast to disassemble, time-saving and labor-saving and is suitable for disassembling bearings of various specifications.

The invention relates to a magnetic assembly device for a stator and a rotor of a permanent magnet motor and an application method of the magnetic assembly device. The assembly device comprises a device base located in a motor assembly area, a fixed end gantry bracket, a movable end gantry bracket, a movable stator tray, a non-driven-end extended shaft tool and a driven-end conversion shaft tool,wherein the device base comprises a first end and a second end; the fixed end gantry bracket is fixedly arranged at the first end; the movable end gantry bracket is arranged at the second end and canmove in a controllable manner along the length direction of the device base; and the movable stator tray is located on the device base between the fixed end gantry bracket and the movable end gantry bracket and can move in a controllable manner along the length direction of the device base. According to the assembly device and the application method thereof provided by the invention, magnetic assembly of the stator and the rotor of the large permanent magnet motor with a bearing structure can be achieved on the premise of ensuring safety production and qualified product quality.

The invention discloses a soft burster block and a manufacturing method thereof. The soft burster block is manufactured through cooperation of non-weft cloth or woven cotton cloth with rubber, polyurethane and other elastomer, wherein the non-weft cloth or the woven cotton cloth is made of aramid fiber, high-performance polyethylene fiber, carbon fiber and other high-strength and high-modulus fiber and high-performance fiber fabric. The coating technology, the airing technology and the pressing technology are carried out. The hardness and impact resistance of nonmetal bullet resistant materials are improved. The soft burster block is manufactured through the special technology. The load weight of the whole bullet resistant materials is reduced under the situation that various bullet resistant parameters are improved. The technology is simple, the manufacturing cost is low, and the safety coefficient is high.

The invention discloses a steel-alkali activated UHPC composite structure, a prefabricated alkali activated UHPC board and a connecting piece. The steel-alkali activated UHPC composite structure comprises a steel beam and a prefabricated alkali activated UHPC plate covering the steel beam, and the steel beam and the prefabricated alkali activated UHPC plate are connected through a shearing force connecting piece pre-buried in the concrete plate; and the prefabricated alkali-activated UHPC board is made of alkali-activated ultra-high performance concrete. The structure is reasonable in stress, high in strength, large in rigidity and high in construction operability, each component of the component is further detachably recycled, an alkali-activated material is used for replacing a gel material of Portland cement, the industrial byproduct slag can be effectively utilized, carbon emission and environmental pollution in the whole production and construction process can be greatly reduced, and the concept of green low-carbon cyclic development is met.

An assembly device (40) for assembling at least two parts (4, 20, 22) of a machine (2) for forming the shed, includes a screw (50) equipped with a threaded rod (52) and a head (54) comprising a pair of two adjacent side edges (5443-5446) forming a non-straight angle between the two adjacent side edges, where the head (54) of the screw (50) is provided with a hollow mark (56) for receiving a tool driving the screw to rotate. A blocking ring (60) is mounted around the screw (50), and has an annular part (62) supported against a face (546) of the head directed towards the rod (52) and at least one tab (64, 66). The tabs has first parts (648, 668) placed against first edges (5444, 5445) of the two adjacent side edges (5443-5446) along a radial direction with respect to a central axis of the screw, and the second parts of the tabs face to the second edges (5443, 5446) of the two adjacent side edges, in the radial direction, and is suitable to be close to (F0) or separated from the second edges (5443, 5446) by elastic deformation of the tab.

The invention discloses a wrench used in a narrow space. The wrench comprises a large bevel gear, a small bevel gear, a gear rack, a rocker, a needle bearing, and the like. The rotation of the rockerdrives the rotation of the small bevel gear, and the small bevel gear drives the large bevel gear to rotate to tighten or loosen a bolt and a nut. When the wrench is in operation, all that is needed is to extend a front end, sleeves workpiece with the front end, and then shake the rocker to work, and the wrench does not need to swing left and right like an ordinary wrench, and is particularly suitable for working in the narrow space. The wrench is structure in simple and wide in application, and has great promotion value.

The invention discloses a dismounting and mounting device and method for a brake disc for a locomotive. The device comprises a wheel disc storage frame, brake disc supporting frames, first rotating shafts and brake disc supporting frame hooks, the wheel disc storage frame is provided with a containing space for supporting a vertical wheel disc, the brake disc supporting frames are arranged on the two sides of the wheel disc storage frame, the bottom of the brake disc supporting frame on each side is rotationally connected with the bottom of the wheel disc storage frame through the first rotating shaft, the upper parts of the brake disc supporting frames are connected with the brake disc supporting frame hooks located at the upper part of the wheel disc storage frame in a clamped mode, multiple supports are perpendicularly arranged on the brake disc supporting frame on each side, and the front ends of the supports are provided with hooks for supporting the inner circumference of the brake disc. According to the dismounting and mounting device and method for the brake disc for the locomotive, the vertical wheel disc storage frame supports the vertically-placed wheel disc, the brake disc supporting frames support the brake disc, dismounting and mounting of the brake disc in the vertical state are achieved, labor is saved, convenience is achieved, the application range is wide, and the manufacturing cost is low.

The invention provides an adjustable combined detacher, which has a three-section stepped round-bar arm, wherein the round-bar arm has a middle-section arm large in outer diameter and two side arms eqThe invention provides an adjustable combined detacher, which has a three-section stepped round-bar arm, wherein the round-bar arm has a middle-section arm large in outer diameter and two side arms eq when electromechanical equipment is overhauled.size, shapes and positions on different electromechanical-equipment shafts when electromechanical equipment is overhauled.ent size, shapes and positions on different electromechanical-equipment shaftse pair of opposite draw hooks. As the detacher has four pairs of different draw hooks, the detacher is suitable to detach bearings, gears, couplings, motor blades and other annular parts in different e pair of opposite draw hooks. As the detacher has four pairs of different draw hooks, the detacher is suitable to detach bearings, gears, couplings, motor blades and other annular parts in differn ones is identical with the bending direction of the hook claws; the back end of each rod body is provided with a top screw; and a quadrilateral hoop frame formed by endplate bolts is arranged between onles is identical with the bending direction of the hook claws; the back end of each rod body is provided with a top screw; and a quadrilateral hoop frame formed by endplate bolts is arranged betweeholual in length and outer diameter; the middle-section arm is provided with a radial through hole; an inner thread is arranged in the through hole; a main threaded ejector rod of which the outer wall haual in length and outer diameter; the middle-section arm is provided with a radial through hole; an inner thread is arranged in the through hole; a main threaded ejector rod of which the outer wall has a thread matched with the inner thread in the through hole is screwed in the through hole; the two side arms are sleeved with four pairs of draw hooks, namely arc-claw draw hooks, shift-lever draw hs a thread matched with the inner thread in the through hole is screwed in the through hole; the two side arms are sleeved with four pairs of draw hooks, namely arc-claw draw hooks, shift-lever draw hooks, detaching-rod draw hooks and short draw hooks; each draw hook is provided with a straight rod body; the front end of each rod body is provided with a hook claw bending to one side; the rod bodyooks, detaching-rod draw hooks and short draw hooks; each draw hook is provided with a straight rod body; the front end of each rod body is provided with a hook claw bending to one side; the rod bodybehind the rod body is provided with round holes matched with the two side arms; the axis of the round holes is perpendicular to the length direction of the rod bodies; the axis direction of the roundbehind the rod body is provided with round holes matched with the two side arms; the axis of the round holes is perpendicular to the length direction of the rod bodies; the axis direction of the roundho

The invention discloses a waste battery disassembling and recycling device comprising a box. A cutting rotating table is movably mounted in the box. A plurality of battery storage bins are arranged onthe cutting rotating table. A cutting groove is arranged inn that cutting rotating table. A cutter wheel is movably mounted in the cutting groove. A tapping and separating rod is movably mounted in astirring and separating chamber. A conveying channel is fixedly mounted on the bottom of the stirring and separating chamber. A screen plate is movably mounted at the bottom of the conveying channel.An iron sheet adsorption disk is movably mounted in the box. An adsorption magnet is fixedly mounted on the iron sheet adsorption disk. A driving pulley is fixedly mounted on the driving shaft of a first motor. The driving pulley passes through the belt and a first driven pulley. Multiple dry batteries can be disassembled in one time, and the dry batteries can be separated by cutting, stripping,cut-off, rotating and tapping so that the disassembling efficiency is high, the separation is complete and the device is suitable for disassembling use of batch dry batteries.

The invention discloses an electric full-suspension wheel set force-transfer pin disassembling device which comprises a base, two hollow oil cylinders, a movable beam and a fixed beam. A supporting base is arranged in the center of the base. The two sides of the base are symmetrically provided with two stand columns. The stand columns are fixedly provided with guide columns respectively. The two hollow oil cylinders are installed on the stand columns respectively. The guide columns penetrate through the hollow oil cylinders and are sleeved with the hollow oil cylinders. The two ends of the movable beam are connected with the hollow oil cylinders respectively. The guide columns penetrate through the movable beam and are movably connected with the movable beam. The movable beam is provided with an ejector rod. The two ends of the fixed beam are fixedly connected with the guide columns respectively. The fixed beam is provided with an ejection oil cylinder connected with a supporting piece. The supporting piece is provided with an outlet structure through which a force-transfer pin is allowed to penetrate. When the device is used for disassembling electric full-suspension wheel set force-transfer pins, operation is simple, the disassembly efficiency is high, and all the force-transfer pins on a wheel set can be disassembled through one-time hoisting.

The invention discloses a disassembling device suitable for a cone shell assembly, and belongs to the technical field of assembly of shell assemblies. The disassembling device is formed by combining apositioning support assembly, a pull rod assembly and a lifting assembly in a matched mode, a positioning block of the positioning support assembly abuts against the outer peripheral wall of the lower portion of a to-be-disassembled cabin body for positioning and supporting, then threaded pin shafts on pull rods of the pull rod assembly are buckled into connecting through holes in the to-be-disassembled cabin body, finally, the lifting assembly is used for completing the separation of the to-be-disassembled cabin body, and therefore, the disassembling of the conical shell assembly is completed. The disassembling device suitable for the conical shell assembly is simple in structure and easy to disassemble and assemble, installation and positioning are convenient and reliable, the device can be suitable for disassembling the conical shell assembly in various assembling forms, the labor intensity in the disassembling process of the conical shell assembly is effectively reduced, the disassembling efficiency is improved, damage to cabin bodies of the shell assembly and parts in the cabin body structure is reduced, and good popularization and application values are realized.

The invention discloses a dismounting tool for a bearing of a bottom housing of a ceiling fan. The dismounting tool comprises a support and a pull hook mechanism, and is characterized in that an automatic spring locking device (2) is mounted on the pull hook mechanism (1), and mounted on a handle of a miniature riveter; a cylindrical support (4) is additionally mounted and serves as a supporting point by using an original tension mechanism (3) of the riveter; an angle adjustment screw (5) is additionally mounted at the front end; and during use, the cylindrical support (4) is buckled on the end face of a bearing inner race, the pull hook mechanism (1) stretches into the inner side of the bearing, a spring is compressed automatically, the angle adjusting screw (5) is adjusted tightly, and the handle (6) is pressed, so that the bearing can be taken out. The dismounting tool is simple in structure, easy to process and manufacture and convenient to use and operate, and is suitable for dismounting of the bearing of the bottom housing of the ceiling fan and a bearing in a housing of an automobile engine.

The invention provides a wheel set mechanism for double-tire installation and a tractor, the wheel set mechanism for double-tire installation comprises a connecting structure, a main wheel, a spacer ring and a special wheel, the main wheel, the spacer ring and the special wheel are coaxially arranged, and the spacer ring is arranged between the main wheel and the special wheel; the two ends of the connecting structure are detachably connected with the main wheel and the special wheel respectively. The double-tire mounting structure is used for mounting double tires on a tractor, and mutual interference between the first tire and the second tire is avoided by arranging the spacing ring; the main wheel and the special wheel are connected through the connecting structure, so that the connecting stability of the main wheel and the special wheel is guaranteed, and the main wheel and the special wheel can stably clamp the spacer ring; through cooperation of the main wheel, the spacer ring, the special wheel and the connecting structure, the overall stability of the wheel set mechanism for double-tire installation is guaranteed; and the two ends of the connecting structure are detachably connected with the main wheel and the special wheel correspondingly, so that the convenience of assembly, disassembly and later maintenance of the wheel set mechanism for double-tire installation is improved.

The invention discloses a press dedicated to assembly and disassembly of screw main bodies. The press comprises a left vertical frame and a right vertical frame which are mutually parallel, wherein a No.1 supporting plate capable of opening, closing and fixing the screw main bodies is arranged on one sides of the lower parts of the left vertical frame and the right vertical frame; a No.1 adjusting plate and a No.2 adjusting plate which can be vertically adjusted are arranged at the upper parts of the left vertical frame and the right vertical frame; a fixing plate which horizontally moves is arranged under the No.1 supporting plate and the No.2 adjusting plate; and a hydraulic cylinder which disassembles and presses rotors is fixed to the lower end of the fixing plate. According to the press, the various screw main bodies can be conveniently clamped through opening the No.1 supporting plate on one side or opening the No.1 supporting plate and a No.2 supporting plate on the two sides, the press is applicable to disassembly of the main bodies with various sizes through the up-and-down motion of the No.1 adjusting plate and the No.2 adjusting plate, disassembly of female and male rotors is facilitated through translation of the fixing plate, and the press is high in applicability and wide in application.

The invention discloses a disassembling device suitable for a cone shell assembly, and belongs to the technical field of assembly of shell assemblies. The disassembling device is formed by combining apositioning support assembly, a pull rod assembly and a lifting assembly in a matched mode, a positioning block of the positioning support assembly abuts against the outer peripheral wall of the lower portion of a to-be-disassembled cabin body for positioning and supporting, then threaded pin shafts on pull rods of the pull rod assembly are buckled into connecting through holes in the to-be-disassembled cabin body, finally, the lifting assembly is used for completing the separation of the to-be-disassembled cabin body, and therefore, the disassembling of the conical shell assembly is completed. The disassembling device suitable for the conical shell assembly is simple in structure and easy to disassemble and assemble, installation and positioning are convenient and reliable, the device can be suitable for disassembling the conical shell assembly in various assembling forms, the labor intensity in the disassembling process of the conical shell assembly is effectively reduced, the disassembling efficiency is improved, damage to cabin bodies of the shell assembly and parts in the cabin body structure is reduced, and good popularization and application values are realized.

The invention provides a portable type hydraulic bearing mounting and dismounting device and relates to a hydraulic mounting and dismounting device. The portable type hydraulic bearing mounting and dismounting device comprises a hydraulic system, a working oil cylinder, a pressing plate and a base plate, wherein the hydraulic system comprises an oil tank; the working oil cylinder comprises an oil cylinder barrel and a piston rod; the piston rod is mounted in the oil cylinder barrel; the oil cylinder barrel and the oil tank are connected together through a soft pipe; the pressing plate is located on one side for mounting an engine base framework of a bearing; one end of the pressing plate is nested and connected and the other end of the pressing plate is in contact with the end part of the oil cylinder barrel of the working oil cylinder; the base plate is located on one side of the engine base framework; and a stretching-out end of the piston rod of the working oil cylinder sequentially penetrates through the pressing plate, the engine base framework and the base plate to be connected with a nut. The portable type hydraulic bearing mounting and dismounting device is applicable to mounting and dismounting of bearings of structure pieces with relatively large volume and mass, has the characteristics of small noises, high bearing mounting precision, low labor intensity, high working efficiency, safe and reliable structure, low cost, and convenient and flexible operation, and is particularly suitable for mounting and dismounting the bearings in the structure pieces with various types in various working positions.

The invention discloses a thread disassembly device of an extruder screw rod for thermosetting powder coating. The device comprises an electric control device, a bracket, a fixture, an electric heating system, an opening / closing mechanism, an ejector rod, an ejector rod support frame and a driving mechanism; the fixture is a cylinder transversely arranged; the electric heating system is mounted on the fixture; the internal space of the cylinder is matched with a screw rod to be disassembled to clamp the screw rod to be disassembled inside; the cylinder is mainly formed by hinging an upper half cylinder with a lower half cylinder through respective one side edges; the lower half cylinder is arranged on the top surface of the bracket; the opening / closing mechanism is arranged between two ends of the other side edges of the upper half cylinder and the lower half cylinder, and is connected with the driving mechanism; the ejector rod is transversely arranged, and is coaxial with the fixture; one end of the ejector rod is connected with the driving mechanism, and is supported through the ejector rod support frame; and the other end of the ejector rod is ejected against the rod end of the screw rod to be disassembled. The device is convenient and safe in use, cannot damage the mechanical performance of the screw rod, improves the disassembly efficiency, and is simple and controllable in use process.

The invention relates to a tire dismounting machine. The tire dismounting machine comprises a base, a rack which is vertically fixed on the base, an auxiliary tire pressing device arranged at the upper end of the rack, a slide frame which slidingly sleeves the rack, a tire fixing device which is arranged on the base, and a tire pressing device and a tire dismounting device which are arranged on the slide frame in sequence from bottom to top, wherein the tire fixing device comprises a rotary table and tire fixing claws arranged on the upper end face of the rotary table; the tire fixing device is further provided with a fixing claw synchronizer; the fixing claw synchronizer comprises a synchronizing disc arranged in the middle of the rotary table and a plurality of linkage rods; one end of each of the plurality of linkage rods is hinged to the corresponding tire fixing claw and the other end of each of the plurality of linkage rods is hinged to the synchronizing disc at interval; and each linkage rod and the corresponding tire fixing claw are inclined to form a certain angle in the retracting direction of the tire fixing claw.

The present invention provides a super-high-pressure standard capacitor, which is a right vertical structure; both a high pressure electrode and a low pressure electrode are fixed on a pressure container tank body at the bottom through an insulating support. The present invention solves the problems that the increase of the voltage grade for a standard capacitor affects the increase of a voltage coefficient. As to using the structure in a field test, the present invention divides the standard capacitor into three independent and sealed air rooms; so the difficulty that the large-scale test equipment is not convenient to be transformed is solved; the field test and detecting are facilitated. The insulating level of the present invention is extremely high when being used in a super-high-pressure standard capacitor. Short-time work frequency voltage enduring ability can exceed 1600 kV; long-time rated work voltage can exceed 1200 kV; voltage coefficient is better than 2*10<-6>. The present invention also can be used for producing the standard capacitor whose voltage grade of the rated work voltage is smaller than 1600 kV.

The invention discloses a multipurpose hoisting frame which is used for reducing labor intensity of disassembling a large vehicle gearbox outdoors and meanwhile improves efficiency. The multipurpose hoisting frame comprises a beam which is provided with a sliding block capable of sliding along the beam axially. A first pulley is installed on the sliding block. A hoisting chain winds around the first pulley. A hoisting hook is connected to one end of the hoisting chain, and a hand-drive block is connected to the other end of the hoisting chain. According to the multipurpose hoisting frame, the hand-drive block is adopted as power for hoisting the gearbox, the first pulley is utilized for reducing the height difference between the beam and the hoisting hook, the sliding block moves horizontally to move the gearbox out of a vehicle, only one person is needed to carry out operation to complete the whole process, the operation is easy, fast and safe, and the multipurpose hoisting frame is particularly suitable for assembling and disassembling the large vehicle gearbox in a field environment.