346results about How to "Disassembly safety" patented technology

The invention provides a locking mechanism for electric car chassis battery replacing. The locking mechanism comprises a hanging buckle fixed on a car chassis, a locking release mechanism installed on a battery, and a pushing mechanism installed on a battery lifting platform. In the locking process, the battery is lifted, the hanging buckle is clamped into a pawl groove to push a latch hook to rotate to a pole position, the pawl groove presses the hanging buckle, the pushing mechanism drives a pushing rod to advance so that an arc surface groove of a lock buckle can closely press the arc surface of the end portion of a first pawl of the latch hook, and the latch hook is prevented from rotating. When the pushing mechanism leaves, a clamping buckle falls and clamps the pushing rod to prevent the pushing rod from sliding back and moving. The lock buckle presses the latch hook, the clamping buckle clamps the pushing rod to fix the lock buckle, the locking process is achieved, and the reliability of the locking release mechanism is improved.

A lifting trammer is characterized in that the invention comprises a base mechanism and an upper supporter mechanism, as well as a plurality of lifting locking mechanisms that is connected with the base mechanism and the upper supporter mechanism and a plurality of workpiece lifting locking locating mechanisms arranged on the upper supporter mechanism. The lifting trammer provided by the invention has the advantages of adjustable lifting height, firmness, large carrying ability, no loosening, no shaking and no librating in working time, convenient workpiece assembly and disassembly and self-lock function. A guide rail is arranged on the trammer so as to be convenient for the transportation of the workpiece and simultaneously lead the workpiece to carry out linear motion according to a regulated direction. The trammer is also provided with a locating device and can load the workpieces with different shapes and dimensions.

The invention discloses a method for integrally disassembling a descending movable formwork bridging machine. The equipment for disassembling the movable formwork bridging machine comprises a bottom horizontal support system, two main girders, two nose girders, an external mold system, a front portal and a rear portal, wherein the bottom horizontal support system comprises two sets of pier-side brackets, a support trolley is installed on the pier-side brackets, and the two main girders are connected through multiple connection girders. The method comprises the following steps: (1) dismantling the front and rear portal and the nose girders; (2) installation of lifting system: installing a lifting system for lifting the disassembled movable formwork bridging machine on a constructed continuous girder by adopting lifting equipment; (3) hoisting the main girders, and longitudinally moving the pier-side brackets and the support trolley; (4) downward moving; (5) dismantling the pier-side brackets and the support trolley; (6) further downward moving; and (7) disassembling on the ground. The method disclosed by the invention is simple in step, reasonable in design, convenient in disassembly of the bridging machine, good in using effect, and capable of simply, conveniently and quickly finishing the disassembly processes of the movable formwork bridging machine; and the disassembly processes are safe, economical and practical.

The present invention relates to a test apparatus for studying the relationship between force and deformation during frost heaving of a soil body. The apparatus comprises an upper load bearing system,a spring restraint, a pressure system, a test tank, a refrigeration system and a lower load bearing system connected together. According to the invention, the synchronous change of the frost heavingdeformation and the frost heaving force during the frost heaving process of the soil body can be greatly monitored, and components can be detachably combined. The apparatus is convenient and safe to install, is simple to operated, is small in size, and has good stability and high measurement precision.

The invention relates to an overhead building machine, and belongs to the technical field of building equipment. The overhead building machine comprises a main body space lifting platform, a floor construction platform, a gantry crane and a control system. The main body space lifting platform comprises a main body steel frame platform, a main body lifting column, a lifting driving unit, a formwork frame, a concrete conveying device, a concrete distribution machine and a spraying device. Due to the fact that the lifting driving unit is adopted and a stability maintaining supporting frame is arranged on the outer formwork frame, the operation of the whole overhead building machine is smoother and more stable. The gantry crane is adopted for carrying all the components of the building machine, so that the building machine is safer and more convenient to assemble and disassemble; an automatic formwork opening and closing mechanism is adopted for opening and closing the formwork frame, so that the formwork frame opening and closing speed is increased; a transition connection device is arranged between the main body steel frame platform and the formwork frame, so that the strength of the formwork frame is enhanced, and the service life of the formwork frame is prolonged.

The invention discloses a normally closed semiautomatic gas emergency cut-off magnetic valve comprising a magnetic coil assembly, a valve cover assembly, a valve body and an open valve handle assembly, wherein the magnetic coil assembly and the valve cover assembly are mutually blocked and can be disassembled; the valve cover assembly is in threaded connection and fixed with a gas inlet cavity of the valve body, the gas outlet cavity of the valve body is provided with the open valve handle assembly, the open valve handle assembly is fixedly connected with a check ring, the check ring is in threaded connection with a mandrel, a flat seal film is sleeved on a lower lug boss of the check ring, and a spring is sleeved on the excircle of the mandrel; a circuit board and a coil frame are arranged in the magnetic coil assembly, a charging capacitor is arranged on the circuit board, and a coil is coiled on the coil frame; a permanent magnet and a built-in iron core are arranged in the valve cover assembly; when the magnetic valve is energized, the capacitor is charged; when the magnetic valve is deenergized, the capacitor releases electric energy to lead the coil to work in order to generate an electromagnetic field which has opposite polarity with a permanent magnetic field, and the magnetic force of the permanent magnetic field is weakened to lead the spring to push the mandrel and the check ring to move in order to close the valve. The normally closed semiautomatic gas emergency cut-off magnetic valve is easier to replace the magnetic coil for being separating from the permanent magnet, has low power consumption, can be automatically closed and manually opened only when deenergized, can automatically recover when energized, and improves the safety.

The invention discloses a door hinge device, comprising: a hinge plate fixed on the refrigerator box, one end of the hinge plate is provided with a hinge shaft connected to the refrigerator door, and a shaft sleeve is arranged on the refrigerator door, so The hinge shaft extends into the bushing, and the bushing can move relative to the refrigerator door between locked and unlocked positions. The bushing is in the unlocked position and the refrigerator door is in the closed position. The position of the refrigerator box body, the hinge shaft is allowed to be separated from the door body; the shaft sleeve is in the locked position or the refrigerator door body is in the position to open the refrigerator box body, the hinge shaft is limited to the The door body is separated. The present invention also discloses a refrigerator with the above door hinge device. The door hinge device of the present invention can realize the dismantling of the refrigerator door in the shortest time and in the most labor-saving manner through the above embodiment, which can greatly facilitate the handling and installation of the refrigerator, and at the same time, the door disassembly is safer.

The invention provides an anti-seismic hidden frame glass curtain wall structure and a mounting and dismounting method, and belongs to the field of a building curtain wall. The problems that the existing hidden glass curtain wall has bad anti-seismic effect and potential safety hazard exists in the dismounting process are solved. The anti-seismic hidden frame glass curtain wall structure comprisesa keel and a panel; the keel comprises a cross beam and an upright column; the cross beam and the upright column enclose to form a fixed frame; the back side surface of the panel is fixedly with a connecting frame; the anti-seismic hidden frame glass curtain wall structure also comprises a movable frame; the fixed frame is arranged on the outer side of the movable frame; the movable frame comprises an upper frame strip, a lower frame strip and two side frame strips; limiting mechanisms are arranged among the lower frame strip, the side frame strips and the fixed frame; a limiting mechanism and an elasticity resetting mechanism are arranged between the upper frame strip and the fixed frame; a plurality of elastic pins are arranged on the connecting frame; a pin hole is formed in the movable frame; a plurality of retreating grooves are formed in the opposite inner side surfaces of the two side frame strips; and each retreating groove comprises a vertical groove parallel with the lengthdirection of the side frame strips as well as a cross groove of which the back end is vertically connected with the top end of the vertical groove. The glass curtain wall has good anti-seismic effect,and is convenient to mount and safe to dismount.

A plunger installation tool that exerts a force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repacking or revalving, the pump is disassembled and the plunger is removed. The plunger installation tool threads onto the pump cylinder opening to provide a reaction point for a threaded rod that is driven at one end by a driver and engages the plunger at an opposite end during installation to push the plunger into the cylinder opening without the use of hammers by personnel.

The invention relates to a tire clamping device of a rotatable tire. The tire clamping device comprises a base, wherein a driving component, a synchronous belt conveying device, a first supporting rod, a second supporting rod, a clamping jaw, a pneumatic clamping component and a manual clamping component are arranged on the base; the driving component is a pneumatic motor; the synchronous belt conveying device comprises a synchronous belt wheel, a tensioning wheel and a synchronous belt; the driving component and the synchronous belt conveying device are connected with the supporting rods and are used for driving the supporting rods to rotate; and the pneumatic clamping component and the manual clamping component are connected with the clamping jaw. By arranging the pneumatic clamping mechanism and the manual clamping mechanism, barrier-free switching of pneumatic clamping and manual clamping, rotation and attitude adjustment are performed on the tire according to actual conditions, and the disassembly efficiency and the assembly efficiency of the tire are increased.

The invention relates to a knock filter type water utilization baffle, which comprises a baffle body, a bracket and a fixing block. An extension plate body is arranged on the upper end of the baffle body, and a drawing groove body is arranged above the outside of the baffle body. , the drawing groove body is inlaid with a through opening, and the bottom of the drawing groove body is provided with an inner groove body, the outside of the inner groove body is arranged with a door body, and the left and right sides of the door body are connected with a rotating shaft , a handle is fixed on the door body, and a sealing strip is fixed on the inner wall of the door body, the brackets are arranged on the left and right sides of the baffle body, and the bottom of the baffle body is arranged with a base, and the base is inlaid with a channel and a first hydraulic cylinder is arranged above the left and right sides of the base, and a first connecting rod is connected to the bottom end of the first hydraulic cylinder. The beneficial effects of the present invention are: the knock filter type water use baffle is provided with a filter net, which can well filter the impurities in the water, thereby playing the role of cleaning the water.

The invention belongs to the technical field of unmanned aerial vehicles, and provides a multifunctional portable multi-rotor unmanned aerial vehicle. The multifunctional portable multi-rotor unmannedaerial vehicle includes a rack, a foot frame and at least four rotor assemblies. The rack includes an upper center plate and a lower center plate. The upper part of the upper center plate is providedwith a flight control mounting layer, and the flight control mounting layer is internally provided with a control system. A battery mounting layer is arranged between the upper center plate and the lower center plate, and the battery mounting layer is internally provided with a battery. The battery can be positioned and fixed quickly through a partition plate. The lower part of lower center plateis provided with a task load mounting layer. Load equipment and the lower center plate can be quickly connected and disassembled through a fast replacing device. The rotor assemblies are arranged onthe periphery of the rack and are connected with the rack through a fast horizontal folding device. The foot frame is arranged on the periphery of the rack, and the foot frame and the rack are fast connected and disassembled through a wedge-shaped pipe clamp. The multifunctional portable multi-rotor unmanned aerial vehicle is a multi-rotor remote control vehicle which can be folded, multi-layer arranged and is long in endurance, small in size, multifunctional, quick and convenient to assemble and disassemble, safe and modular and is an industrial unmanned aerial vehicle solution for being fastexpanded and being suitable for different operating conditions.

The invention provides a balance weight loading and unloading mechanism for a crane as well as a crane and a loading and unloading method for a balance weight. The balance weight loading and unloading mechanism for the crane comprises a rotary table (10), a balance weight (30) and a frame; the mechanism further comprises a lifting mechanism which is arranged on the rotary table (10) along the vertical direction; a locking cylinder (15) which is arranged on the rotary table (10) along the horizontal direction and is provided with a locking pin; a horizontal connecting plate which is arranged on the balance weight (30) along the horizontal direction and is matched with the lifting mechanism to enable the balance weight (30) to move along the vertical direction; and a vertical connecting plate which is arranged on the balance weight (30) along the vertical direction; the vertical connecting plate is provided with connection holes; and the locking pin is matched with the connecting hole to enable the balance weight (30) to lock or unlock along the horizontal direction. According to the invention, the problem that the balance weight sway in the process of loading and unloading in the prior art is solved; and the process of loading and unloading the balance weight is safer and more stable.

The invention discloses a housing structure of a DPMU distribution network synchronous phasor measuring device. The housing structure comprises an upper housing assembly, a lower housing assembly, anda measuring housing assembly. The upper housing assembly includes a first latch, a second latch, two bolt rings, an upper housing waterproof sheet, an upper housing rubber gasket, and an upper housing adhesive piece. The lower housing assembly includes a lower housing, a lower housing adhesive piece, and a lower housing rubber gasket. The measuring housing assembly is connected with the lower housing assembly by a bolt. One end, fitting the lower housing assembly, of the upper housing assembly is fixed by the first latch to form a movably opening-closing integrated part; and the other end ofthe upper housing assembly passes through latch rings of two bolt rings by the second latch. After the bolt rings rotate downwardly at an angle of 180 degrees, screwing rings of the bolt rings block the edge of the lower housing; the screwing rings are rotated clockwise and thus semi-circular wire slots of the upper housing and the lower housing form a concentric circle; the rubber gaskets are closed up and down to clamp the wire and the wire is separated from the housing. The housing structure is suitable for installation of wires with various diameter specifications at a 10-kV overhead line.

The invention provides maintenance auxiliary equipment for a large hydraulic cylinder. The maintenance auxiliary equipment comprises a base and self-locking universal wheels. A lifting table is fixed to the upper surface of the base. The self-locking universal wheels are symmetrically fixed to the bottom of the base. A turnover device is fixed to the top of the lifting table. A translation stretching device is fixed to the upper end of the turnover device. According to the maintenance auxiliary equipment, the turnover device is driven by the lifting table to ascend and descend, the angle is adjusted through the turnover device, the length is adjusted through the translation stretching device, a first clamping device and a second clamping device are driven to move to proper positions, the oil cylinder to be maintained is clamped, and people can safely disassemble the oil cylinder; the oil cylinder can be rotated through the first clamping device and the second clamping device, and the maintenance auxiliary equipment can be conveniently matched with maintenance personnel for work; a piston rod of the oil cylinder can be pulled out through the translation stretching device, the piston rod is pulled out stably, and damage to the oil cylinder is relieved; and by adjusting the height of a second clamping roller, the maintenance auxiliary equipment can adapt to oil cylinders in different diameters.

The present invention provides a radiographic apparatus, an imaging unit, and a radiographic system. The radiographic apparatus includes: a holding unit that detachably holds an imaging unit for detecting radiation generated by a radiation generating unit and acquiring a radiographic image; a restricting unit that restricts detachment of the imaging unit from the holding unit; and a controller that releases the restriction of the detachment restricting unit when the grip detection unit for detecting gripping of the imaging unit detects the gripping on the imaging unit.

The invention discloses a processing box and an image forming device. The processing box comprises an upper frame, a lower frame, a handle, a first protrusion and a second protrusion, wherein the first protrusion is coaxial with a photosensitive drum, and the second protrusion is arranged at the downstream side of the first protrusion along the mounting direction; the handle is fixedly connected to the upper frame; and an included angle is formed between the axis of the handle deviating from the direction of the upper frame and a central line or an extension line of the two protrusions along the direction directing to the second protrusion from the first protrusion, and the angle range of the included angle is 25-125 degrees. The invention can guarantee that the processing box can be stably, conveniently and safely arranged in the image forming device by an operator, or the processing box can be stably, conveniently and safely taken down from the image forming device.

The invention relates to an assembling and disassembling tool for a gear shaft round nut. The assembling and disassembling tool comprises a brake clamp and an assembling and disassembling clamp. A positioning shaft 4 of the brake clamp is fixedly installed at one end of a stand column 2 and is provided with an external spline matched with an internal spline of a gear shaft 3. The other end of the stand column 2 is installed on a base 1, and the stand column 2 can extend to the interior of the gear shaft 3 from the bottom. The external spline on the positioning shaft 4 is meshed with the internal spline of the gear shaft 3. A spanner 6 of the assembling and disassembling clamp is matched with the external outline of the round nut 8 and fixedly connected with the round nut 8. A torque multiplier is fixedly installed on a connecting rod 7. The assembling and disassembling tool for the gear shaft round nut is simple in principle, convenient to operate and reliable in use, the round nut can be safely and conveniently locked and disassembled, the round nut is not damaged, and the use reliability of the round nut is ensured.

The present invention relates to one kind of transducer sheet sealing structure for ultrasonic atomizer, and aims at providing one kind of transducer sheet sealing structure with good sealing effect and convenient installation. The transducer sheet sealing structure includes one cavity in the casing, one ring gland with T-shaped cross section and embedded into the cavity, one transducer sheet set inside the ring gland, sealing rings, and one ring fixing seat inside the ring gland. It can realize the sealing between the transducer sheet and the ring gland. The present invention is suitable for different kinds of ultrasonic atomizer.

The invention relates to an apparatus for replacing a tuyere small sleeve, and belongs to the field of metallurgy mechanical equipment, and aims at solving the problem that when the tuyere small sleeve is replaced, replacing manners of manual lifting or a chain block can only be employed. The apparatus mainly consists of a crowbar 2, a bicycle frame and bicycle wheels 6. The apparatus is characterized in that the length of the crowbar 2 is determined based on on-site actual situation, the front end of the crowbar 2 is provided with an antiskid baffle 3 and an anticreep baffle 4 by welding, the crowbar 2 is fixedly connected with the bicycle frame 5 by welding, and two ends of the lower part of the bicycle frame 5 form a pi-shaped structure and is directly inserted into a bicycle shaft 7. The apparatus is simple and safe in operation and is beneficial for reducing blowing-down rate. When the apparatus is not used, the bicycle wheels 6 and the bicycle frame 5 can be separated, and dismounting, installation and storage are convenient.

The invention discloses a novel two-in-one dual-purpose buggy, comprising a buggy body formed by a head part and a body part connected with the head part. The novel two-in-one dual-purpose buggy is characterized in that a rotating positioning mechanism is arranged between the head part and the body part of the buggy body, the rotating positioning mechanism comprises a front body and a rear body which are assembled into an integrated rotatable body through a fixing sleeve, an insertion groove is formed in the rear end face of the rear body, a connection rod is arranged in the insertion groove, a first button is arranged on the outer end of the connection rod, a limit groove is formed in the end, connected with the head part, of the front body, and the front body and the head part are locked through an embedded limit screw. According to the invention, multiple novel mechanisms are adopted, thus the buggy is guaranteed to be adjusted, dismounted, positioned and steered more conveniently and safely, the use is more comfortable, the front body and the head part are locked through the embedded limit screw, and thus the head part is prevented from being rotated by 360 degrees relative to the body part, so that the safety is greatly improved.

The invention discloses a cartridge dismounting device. The cartridge dismounting device is characterized by consisting of a lower pedestal, an upper pedestal, an elastic hoop, a fastening screw cap, a rolling stopper pin and a rubber choke plug, wherein the upper end of the lower pedestal is connected with the lower end of the upper pedestal through threads; a cartridge case copying tapered surface for accommodating an cartridge case is arranged on the center of the lower pedestal, and a lower pin hole is formed in the upper end of the lower pedestal; a hoop matching tapered surface and a hoop guide surface are arranged on the center of the upper pedestal for fixing the elastic hoop; a cylindrical clamping surface is processed on the center of the elastic hoop for clamping a cartridge bullet, and the outer side surface of the elastic hoop is a locking tapered surface; an upper pin hole is distributed in the outer periphery of the elastic hoop, a reducing ring is arranged on the middle part of the elastic hoop, and a cylindrical guide surface is arranged on the upper part of the elastic hoop; an elastic deformation slot and a crack-preventing hole are distributed in the locking tapered surface and the reducing ring; the elastic hoop is fixedly arranged in the upper pedestal for fixing the fastening screw cap, and is fixed with the lower pedestal through the rolling stopper pin; and the rubber choke plug is fixedly arranged in the lower pedestal. The cartridge dismounting device is delicate, simple and reliable in structure, is convenient to operate, and does not affect the re-mounting and follow-up using effect after the cartridge is dismounted while a dismounting process is guaranteed to be stable and safe.

The invention discloses a magnetic drive pump. The magnetic drive pump comprises a support, a drive shaft which is rotatably arranged in the support, a magnetic outer rotor which is fixedly disposed on the drive shaft, a magnetic inner rotor which is coaxially disposed in the magnetic outer rotor and driven by a magnetic force of the magnetic outer rotor for simultaneous rotation, a spacer sleeve which is arranged between the magnetic outer rotor and the magnetic inner rotor, a pump shaft one end of which is connected with the magnetic inner rotor, an impeller which is connected with the other end of the pump shaft, a midbody which is arranged outside the pump shaft and fixedly connected with the support, a pump shell which is arranged outside the impeller and fixedly connected with the midbody, a liquid inlet and a liquid outlet which are opened on the pump shell respectively, and the magnetic inner rotor is detachably connected with the pump shaft. The invention solves the problems of the prior art, and provides a magnetic drive pump with simple disassembly procedures.

The invention discloses a 10kV distribution network line anti-thunder protection device allowing electrified replacement. The 10kV distribution network line anti-thunder protection device allowing the electrified replacement comprises a guiding supporting plate which is connected with an insulator steel pin, an electrified separator which is connected with the guiding supporting plate, an adjusting plate which is connected with the electrified separator and an anti-thunder protector which is connected with the adjusting plate. The 10kV distribution network line anti-thunder protection device allowing the electrified replacement is formed by the guiding supporting plate, the electrified separator, the adjusting plate and the anti-thunder protector, the electrified separator is pulled to be opened to enable the anti-thunder protector and the guiding supporting plate to be separated, then the anti-thunder protector and the high-voltage insulator steel pin are separated, and electrified maintenance and replacement of the anti-thunder protector is convenient.

The present invention provides a copper wire tower with supporting device. It is composed of tower top, tower body, supporting device and tower bottom, and can be used for removing vanadium impurity from titanium tetrachloride. Said invention also provides the concrete structure of above-mentioned every portion, and working principle of said copper wire tower and its operation method.

A system and method of tracking location and orientation of power tools utilized in the assembly and maintenance of complex systems is disclosed. The system can facilitate collaboration between maintenance and alert maintenance personnel to complete complex system activities.

The invention relates to an inflatable greenhouse applicable to a contaminated site. The inflatable greenhouse comprises a greenhouse shaped air film, fixing piles are arranged at the edge of the airfilm, a plurality of steel wire ropes are arranged outside the air film, and two ends of any one of the steel wire rope are connected with the corresponding fixing piles. Air inlet equipment is arranged on one side of the greenhouse, and a circulating tail gas discharging system is arranged on the other side of the greenhouse. The lateral side of the greenhouse is provided with access ports, and the circulating tail gas discharging system is connected with a controller. By consideration of harms to physical health of onsite workers and surrounding residents due to proneness of toxic and harmful gases and malodorous gases to volatilization and dispersion into surroundings in a contaminated site treatment process and consideration of particularity of site remediation construction, special utilization of the inflatable greenhouse is provided, the problem of odor dispersion in an excavation and remediation process of the organic contaminated site is effectively solved, smoothness and safety in site remediation are guaranteed, the circulating tail gas discharging system is safe and environmentally friendly, and convenience in use, mounting, demounting and storage and recyclability are realized.

The invention relates to the field of building formwork joint seam anti-grout-leakage sealing, in particular to a wall column timber formwork joint seam anti-grout-leakage sealing device and method. The wall column timber formwork joint seam anti-grout-leakage sealing device is characterized in that the wall column timber formwork joint seam anti-grout-leakage sealing device comprises channel steel, a batten and a rubber strip; the rubber strip is of a T-shaped section structure, the length of a web of the rubber strip is equal to the thickness of a formwork, the web of the rubber strip is located in a formwork joint seam, and a flange of the rubber strip is located on the outer side of the formwork; and the batten is attached to the flange of the rubber strip, and the channel steel is located on the outer side of the formwork to be used for compressing the batten. According to the wall column timber formwork joint seam anti-grout-leakage sealing device, the structural stability is excellent, grout leakage at the position of the joint seam can be effectively prevented, the concrete appearance quality and the wall column shape are ensured, and the wall column timber formwork joint seam anti-grout-leakage sealing device has the advantages that the structure is simple, and construction is easy and rapid.

The invention discloses a mutual inductor replacement, loading and transporting auxiliary device which comprises a lifting cart and a position fine adjusting device; the lifting cart comprises a cart body, a load platform, a main scissor lifting frame and a driving mechanism for driving the lifting of the main scissor lifting frame, the lower end of the main scissor lifting frame is connected with the cart body, and the upper end is connected with the load platform; The position fine adjusting device is arranged on the top surface of the load platform and comprises a work platform, a lift platform and the like. According to the invention, the device can be used for transporting the mutual inductor and assisting the mounting and dismounting of the mutual inductor, and the device can directly transporting the mutual inductor to a switch cabinet outlet cabin and can coarsely adjust the position of the mutual inductor up and down and finely adjust the position of the mutual inductor forward, backward, left, right, up and down, the device can safely, conveniently, time-savingly and labor savingly implement the mounting, dismounting, transporting, loading and unloading work of the mutual inductor, the labor intensity is reduced, the personal safety of staffs of electrical equipment and maintenance is ensured, and the device has higher popularization and application value than before.