98results about How to "No risk of falling" patented technology

The invention discloses a carrier for a highway flyover. The carrier comprises a decelerator and an annular rotating wheel provided with a plurality of uniformly distributed bearing bins, wherein a base is arranged below the rotating wheel; the base is shaped as a circular arc concave surface; each bearing bin comprises a plurality of circular pipe holes uniformly distributed between inner and outer walls of the rotating wheel; a bearing platform is arranged in the circular pipe holes; the bearing platform is rotatably supported on the inner wall surfaces of the circular pipe holes through a circular arc surface at the lower end; a stop ring is arranged outside one side of the rotating wheel; the axis of the stop ring is parallel corresponding to the axis of the rotating wheel and has a pre-set distance and a phase angle; a pin shaft is connected between the stop ring and the bearing platform; the distance and the phase angle between the axis of the pin shaft and the axis of the corresponding circular pipe hole are the same as that between the axis of the stop ring and the axis of the rotating wheel; and the stop ring and the rotating wheel are transmitted through a gear respectively and driven by the decelerator to rotate at equal rotation speed in the same direction. According to the invention, the central space of the rotating wheel can be sufficiently utilized; the practical floor area is small; the land resource utilization rate is high; and the carrier disclosed by the utility model not only can be built into a parking garage but also can be used for carrying pedestrians or vehicles on a novel highway flyover.

The invention discloses a sample dumping device capable of realizing automatic discharging. The sample dumping device comprises a machine frame. A rotatable turntable mechanism and a plurality of sample storage barrels are arranged in a collecting cavity formed by the machine frame. The sample storage barrels are used for collecting samples. One or more overturning and discharging mechanisms, which are used for overturning the sample storage barrels from the machine frame to conduct dumping and discharging, are arranged on the side surface of the machine frame. Each overturning and discharging mechanism comprises an overturning frame component, an overturning driving component, a lifting driving component and an extracting component. The overturning frame components are vertically hinged to the machine frame. The extracting components are mounted on the overturning frame components through the lifting driving components. The lifting driving components drive the extracting components to do lifting motion to extract the sample storage barrels in the collecting cavity. The overturning driving components are connected with the overturning frame components to drive the overturning frame components to be overturned from the machine frame and synchronously drive the extracted sample storage barrels to be overturned outwards for dumping and discharging. The sample dumping device has the advantages of being simple and compact in structure, high in intelligent degree, high in sample safety and high in working efficiency, and can be reduced in labor intensity.

The invention belongs to the technical field of electrolysis smelting, and discloses a plate peeling machine group. The machine group comprises a plate peeling system used for peeling sedimentation plates off, an electrode plate inputting system used for delivering electrolyzed cathode plates to the plate peeling system, and a conductive bar cleaning and brushing system used for cleaning and brushing the peeled cathode plates so that the cathode plates can enter the next electrolysis circulation; the electrode plate inputting system comprises a washing chamber and a push plate range expandingdevice used for expanding the range between the electrode plates to be put into the washing chamber; the plate peeling system comprises a swing arm type plate peeling device entering from the part above the sedimentation plates to peel the sedimentation plates off from the cathode plates and an auxiliary separation device entering from the two sides of the sedimentation plates to assist separation; the conductive bar cleaning and brushing system comprises a conductive bar cleaning and brushing device used for cleaning conductive bars of the cathode plates. According to the machine group, by the arrangement of the plate peeling system, the scratching of the surfaces of the cathode plates can be prevented to reduce the peeling difficulty of the sedimentation plates, by the arrangement of theconductive bar cleaning and brushing system, the conductive bars can be timely cleaned to reduce the resistance of the cathode plates and improve the electrolysis efficiency of a workshop, by the arrangement of the electrode plate inputting system, the electrode plates can be thoroughly cleaned, and finally the sedimentation plates with high quality can be obtained.

The invention discloses a UV fluorocarbon decorating plate which comprises a base plate. A UV putty layer is coated on the surface of the base plate, at least two layers of fluorocarbon paint layers are rolled and coated on the UV putty layer, finish paint layers are coated on the surfaces of the rolled coated layers, and the base plate is fixedly connected with an outer wall face. By means of the method, the UV fluorocarbon decorating plate has excellent light resistance and weather resistance, is simple to operate and easy to refinish, cannot be limited by building shapes, can enable designers to fully imagine, is low in construction cost and light in weight, avoids bringing burden to a wall body and has no risk of falling.

The invention relates to a combined electric water heater with large water yield. The combined electric water heater comprises a water storage type water heater set, an instant water heater and a temperature limiting water mixing device, wherein the water storage type water heater set comprises one water storage type water heater or more than two water storage type water heaters with cold water inlets and hot water outlets connected in series; the first set of cold water inlets of the water storage type water heater set communicate with a first cold water inlet pipe; the first set of hot wateroutlets of the water storage type water heater set communicate with a first hot water inlet of the temperature limiting water mixing device; a third cold water inlet of the temperature limiting watermixing device communicates with a second cold water inlet pipe; a first mixed water outlet of the temperature limiting water mixing device communicates with a hot water outlet pipe; and the instant water heater is arranged on the hot water outlet pipe or the second cold water inlet pipe. The combined electric water heater has the advantages of being small in size, adjustable in appearance, largein hot water yield, low in heating power consumption, low in power consumption, capable of saving energy and electricity and more suitable for meeting the use requirements of common resident families.

The invention relates to a device for transporting and for determining the mass of objects, said device comprising a weighing device for weighing the objects and a transport unit for handling the objects while the objects are being transported by the device. The transport unit has a holder for holding at least one object, and the holder has a carrying region for carrying the object at the lower face of the object. The weighing device is designed to weigh an object through at least one opening in the carrying region, wherein the holder is designed to be lowered relative to the weighing device in the process. Preferably, the entire transport unit is lowered together with a part of a guiding unit in order to place the object on the weighing device.

The invention relates to an ultrasonic electromagnetic cooking tool which comprises a furnace shell, an electromagnetic coil, a driving circuit control panel, a microcrystalline panel or a furnace base, an ultrasonic generating mechanism, a telescopic temperature measuring probe and a cooling fan, the ultrasonic generating mechanism comprises an ultrasonic transducer, a sleeve shell, and a spring,the microcrystal panel or the furnace base is provided with a mounting hole, the ultrasonic transducer is fixedly arranged on the inner top surface of the sleeve shell, the sleeve shell is arranged in the mounting hole in a sleeved mode, a limiting part is further arranged on the outer surface of the sleeve shell, the limiting part is clamped on the bottom hole edge of the mounting hole; the lower end of the spring is installed in the furnace shell, the upper end of the spring abuts against the bottom of the sleeve shell, the upper portion of the sleeve shell is arranged on the surface of themicrocrystalline panel or the furnace base under the elastic action of the spring, so as to drive the ultrasonic transducer to vertically and movably extend out of the surface of the microcrystallinepanel or the furnace base; and the telescopic temperature measuring probe is arranged on a through hole formed in the microcrystalline panel or the furnace base.

The invention relates to the technical field associated with medical devices, in particular to a medical ultrasonic detection device. The medical ultrasonic detection device comprises a moving plate and four universal wheels on the lower side of the moving plate, two first hinged bases are symmetrically installed on the upper side of the moving plate, and first rotation rods are rotationally connected with the hinged bases. A supporting sleeve penetrates through the middle of the moving plate, and a supporting column penetrates through the supporting sleeve. The medical ultrasonic detection device has the advantages that a top plate can ascend and descend according to the needs, and it is thus achieved that the height of an ultrasonic detection instrument is adjusted; besides, when the device does not need to be used, the height of the top plate can be lowered to the lowest so that the device cannot occupy a large space, and the device is convenient to place; by using a display screenplacement device, it can be effectively achieved that the angle of a display screen is adjusted, the display screen is more reliably supported, when not used, the display screen can be hidden into a first placement groove and cannot occupy a large space, and the display screen is convenient to place.

The invention relates to the technical field of windows, in particular to a side pulling structure capable of being tightly closed for a door and window cabinet. The side pulling structure comprises a frame, a fixed window sash and a movable window sash; grooves matched with the fixed window sash and the movable window sash up and down are formed in the frame, a front protection plate and a rear protection plate are arranged on the front end face and the rear end face of the groove respectively, the rear end of the fixed window sash abuts against the rear protection plate, and a gap is reserved between the fixed window sash and the front protection plate; first supporting parts and second supporting parts are installed on the upper side and the lower side of the movable window sash correspondingly; the first supporting parts are installed at the inclined face end of the movable window sash, and the second supporting parts are installed at the non-inclined-face end of the movable window sash; each first supporting part comprises a connecting rod connected to the movable window sash, a bearing wheel installed at the bottom of the connecting rod and a first guide wheel installed on the side wall of the connecting rod; and the right side of each groove is provided with a guide plate which is triangular in an overhead view. The side pulling structure is flexible in opening and closing and stable in sliding, the inclined faces of the window sashes on both sides are in close contact with each other when the window sashes are closed, so that the possibility that air, dust and the like pass through is reduced, and the sealing and sound insulation effects are improved.

An elevator, preferably an elevator without counterweight, comprising a number of diverting pulleys in the upper part of an elevator shaft or equivalent, a number of diverting pulleys in the lower part of the elevator shaft and a number of diverting pulleys on an elevator car, is installed in such manner that at least some of the diverting pulleys for the upper part are rigged in the lower part of the elevator shaft and at least some of the diverting pulleys from which the passage of the ropes is directed upwards are rigged at the same time. The diverting pulleys for the upper part thus rigged are raised in the rigged state to the upper part of the elevator shaft or equivalent and mounted in place.

The invention relates to lamp fitting construction members and a ceiling lamp, wherein each lamp fitting construction member comprises a forward half leaf, a backward half leaf as well as a shared edge connected with the forward half leaf and the backward half leaf; the forward half leaf and the backward half leaf are folded along the shared edge and form a free edge far away from the shared edge, and an open mouth is formed between two free edges; at least one upper insertion groove with an upward opening is formed at the upper edge part of the forward half leaf; and at least one lower insertion groove with a downward opening and corresponding to the upper insertion groove is formed at the lower edge part of the backward half leaf. The lamp fitting construction members are used for the ceiling lamp, and six lamp fitting construction members are inserted and installed through upper insertion grooves and lower insertion grooves. The lamp fitting construction members and the ceiling using the lamp fitting construction members provided by the invention are simple in structure and convenient to assemble, and have good decoration effects.

The invention discloses an anti-shaking rotating wine bottle placing rack. The rack comprises a base and a rack body, the center of the base is vertically fixedly provided with a fixed shaft, the rackbody movably sleeves the fixed shaft, a placing cavity is fixed to the upper side surface of the rack body, two connecting rods are transversely fixed to the upper end of the side wall of the placingcavity, elastic rotating shafts are fixedly mounted on the ends of the two connecting rods, the side wall of the placing cavity is fixedly provided with a limiting block, the side surface of the limiting block is designed as a concave curved surface, the height position of the limiting block corresponds to the height position of a clamping plate, the inner side surface of the clamping plate is designed as a concave curved surface, the opposite faces of the clamping plate and a limiting plate are designed as the concave curved surfaces, a movable rod is pulled outward, wine bottles are placedbetween the concave curved surfaces of the clamping plate and the limiting plate, the movable rod is loosened, and under the action of the elastic rotating shaft, the movable rod can make the clampingplate to clamp the wine bottles to the limiting block, so that the wine bottles do not face the risk of shaking and falling caused by shaking of the rack body.

The present invention discloses a cardiac volume reduction system and a guidance system; the volume reduction system comprises a multi-rod frame that is composed of a plurality of support ribs; the top of each support rib is provided with a barb, the tops of the support ribs are peripherally turned out to form a basin shape, the surface of each support rib is covered with polymer separator film, a support base is fixed to the bottom of the multi-rod frame, the guidance system includes a metal rod and a protective sleeve that are integrated, the protective sleeve sleeves the metal rod, the metal rod can slide back and forth in the protective sleeve, the top of the metal rod is connected with a support base, the support base is made from thermoplastic polyurethane elastomer, the metal rod can drive the support base and the multi-rod frame to slide into the protective sleeve. By receiving a volume reduction apparatus in the guidance system and piercing through the surface of the left ventricle with the guidance system, the cardiac volume reduction system is delivered into a human heart and implanted in the heart; through separation of the volume reduction apparatus, ventricular volume is reduced, ventricular tension is reduced, and ventricular reconstitution and a patient's cardiac functionality are improved.

The invention discloses an anti-abrasion sliding support hinge which has a five-connecting-rod structure and is suitable for middle-size and large-size safety type casement windows. The sliding support hinge comprises a sliding rail, a first sliding block, a first supporting cantilever, a second supporting cantilever, a third supporting cantilever, a fourth supporting cantilever and a top supporting cantilever, and is characterized in that the first sliding block is a lengthened sliding block; the fourth supporting cantilever is hinged with a second sliding block; the second sliding block is provided with a friction pad and is inserted below the edge of the sliding rail. By the sliding support hinge with the five-connecting-rod structure, the contact stress surface between the edge of the sliding block and the edge of the sliding rail is greatly increased, so that the bearing capacity and the abrasion resistance of the sliding block are improved; and the sliding block cannot slide off the sliding rail because of outer force or abrasion.

The invention discloses a hopper device for a spring-free microcomputer combined scale, which comprises a hopper body, a hopper door, a motor, a swing rod, a movable support and a mounting rack, wherein the swing rod is connected to an output shaft of the motor, the motor is mounted on the mounting rack, the movable support is hinged with the mounting rack, the hopper body is mounted on the mounting rack, and the hopper door is hinged with the hopper body; a hopper door driving shaft and a pull rod are further included, the hopper door is connected with the movable support through the pull rod, the hopper door driving shaft is installed on the movable support, and the swing rod is movably connected with the hopper door driving shaft. A spring does not need to be used, the motor is used for driving the swing rod to rotate, rotation of the swing rod is converted into movement of the hopper door driving shaft through the movable mechanism, opening and closing of the hopper door are controlled through the pull rod, and high noise caused by springback of the spring, and falling precision affected by generated vibration are reduced; and the conditions of spring breakage and falling are avoided.

The invention relates to a large-scale high-pressure micro-fog temperature reducing ceiling fan. The large-scale high-pressure micro-fog temperature reducing ceiling fan comprises a high-pressure micro-fog machine, a high-pressure pipeline system, a temperature and humidity sensor, a plurality of high-pressure micro-fog spray heads, a ceiling fan body, a system control box and a hanging system, wherein a water inlet of the high-pressure micro-fog machine communicates with a water source, the ceiling fan body is fixedly connected with a building through the hanging system, the high-pressure pipeline system is fixedly connected with the hanging system, the plurality of high-pressure micro-fog spray heads are arranged on the high-pressure pipeline system, tap water is pressurized by the high-pressure micro-fog machine and flows to the plurality of high-pressure micro-fog spray heads through the high-pressure pipeline system, micro-fog particles sprayed out by the plurality of high-pressure micro-fog spray heads perform vaporization and heat absorption in the air to generate temperature reduction, the ceiling fan body blows cooled air to the ground continuously to form slow cold wind,and the temperature and humidity sensor, the high-pressure micro-fog machine and the ceiling fan body are all in electrical connection with the system control box. By means of the large-scale high-pressure micro-fog temperature reducing ceiling fan, functions of ventilating and temperature reducing are integrated, and the large-scale high-pressure micro-fog temperature-reducing ceiling fan has thehealth functions of regulating the humidity, purifying the air and generating negative ions at the same time.

The invention discloses a traveling obstacle avoidance capacity testing device. When a person walks on a pressure detection step pad, a photoelectric virtual obstacle generation device is arranged on the pressure detection step pad; a pressure scanning matrix device in the pressure detection step pad is connected with a control device through a signal acqusition device; the photoelectric virtual obstacle generation device is connected with the control device; a computer is connected with the control device through a communication device; the pressure detection step pad is formed by pressing and fixing a hard base pad, a pressure scanning matrix device and a buffer soft pad; the photoelectric virtual obstacle generation device comprises a plurality of LED (Light Emitting Diode) light strips which are uniformly spaced from one another in parallel; each LED light strip consists of LED lamps which are uniformly spaced from one another along a straight line; the direction of the LED light strips is perpendicular to the walking direction. The device is rational in design; compared with the existing method, the device has the advantages that a state the same as normal walking can be established, a gait parameter is directly measured, the device is safe and reliable, the risk of falling of a tested person is avoided, and the device can be used for testing risks such as falling of old people and the like.

The invention relates to the technical field of semiconductor lasers, and provides a clamp and clamping method for semiconductor laser bars. The method comprises the steps that the laser bars are placed on a step, and laser accompanying bars are placed on a clamp lower outer frame, wherein the laser bars and the laser accompanying bars are alternately placed one by one; after the bars and the accompanying bars are placed, bar gaskets are placed on the two sides of a to-be-clamped laser bar structure composed of the laser bars and the laser accompanying bars, and after placing is completed, thelaser bar structure is covered with a clamp upper outer frame for shielding the two sides of the laser accompanying bar and the two sides of the bar gaskets, and the laser bars are exposed from the middle area of the clamp upper outer frame; and a thrust elastic piece is pushed forwards through a thrust bolt, so that the thrust elastic piece and the bar gaskets are attached and pressed. The clampand clamping method for the semiconductor laser bars has the advantages that loss is small, cost is low, the number of the clamped bars is large, the clamp is thick, and the bars are free of fallingrisk and the like in the later-period use process.

Provided is a movable IV stand that allows a patient to walk safely and easily and that also provides a patient in a wheelchair with the possibility of coupling the stand to the wheelchair in a safe, reliable, speedy and flexible manner. For the ease of walking, the base of the movable IV stand has a plan-view shape which is open on the proximal side and a plurality of movable casters are attached to the bottom face thereof. For allowing the coupling to a wheelchair, a joint metal unit is provided to be height-adjustable to a lower portion of a fixed support post or the base of the movable IV stand, thus allowing flexible and movable coupling to the footrest of the wheelchair.

The invention belongs to the technical field of helmet supports, and particularly relates to a lamp connector for a helmet and a helmet device. The edge of the helmet is placed in a U-shaped arm of asupport, first fasteners are screwed down, the end, away from a substrate, of the U-shaped arm and the tail ends of the first fasteners clamp the edge of the helmet at the same time, and the support is fixed to the helmet. The first fasteners are loosened, the support can be separated from the helmet, and therefore the support is detachably connected to the helmet. A lamp is arranged in a throughgroove of a mounting seat in a penetrating manner, the lamp is reliably fixed to the mounting seat through a second fastener, mounting is convenient and fast, no falling risk is generated during bumping, and normal and safe work of the lamp is guaranteed. The mounting seat is rotationally connected to the substrate of the support, the direction of the lamp can be adjusted by adjusting the direction of the mounting seat, and the adjusting angle is large. The lamp connector for the helmet and the helmet device are small in part number, small in mass and good in wearing comfort.

Embodiments of the present invention provide a heat dissipation structure, a circuit board assembly and a processing technology thereof, and relate to the field of electronic technology. The heat dissipation structure includes a heat dissipation through hole and a heat dissipation element arranged on the printed circuit board. Wherein, the heat dissipation element passes through the heat dissipation through hole, and the part of the heat dissipation element passing through the heat dissipation through hole is used for connecting with the heat dissipation pad of the electronic device. The heat dissipation structure, the circuit board assembly and the processing technology provided by the embodiments of the present invention are connected to the heat dissipation pads of the electronic devices through the heat dissipation parts, and play a heat dissipation effect on the electronic devices, thereby replacing the heat dissipation method of the existing adhesive heat sink. In this way, the risk of dropping the adhesive radiator can be eliminated, and the heat dissipation effect can be ensured, and the reliability is higher.

The invention discloses a method for butting a straight bent pipe and a straight pipe of a long transmission line pipeline with small and medium pipe diameters in air, relates to the technical field of pipeline construction, and aims to improve the construction quality and the construction efficiency and reduce the construction cost and unsafe factors at the same time. The method comprises the steps that 1, straight bent pipe sections are assembled on the ground, and welding is completed; 2, traction positioning blocks are welded to the outer sides of the bent pipe parts of the straight bent pipe sections; 3, supports are arranged, and pipe brackets are arranged on the supports; 4, the straight bent pipe sections and straight pipe sections are hoisted to the pipe brackets; and 5, chain blocks and traction steel wire ropes are used for pulling the traction positioning blocks to move pipe fittings, an operation platform is erected at the upper ends of the supports, and welding construction is conducted on the to-be-butt-jointed positions of the straight bent pipe sections and the straight pipe sections to complete air butt joint. The method is convenient to operate, safe and reliable to use and high in applicability, the construction cost and unsafe factors are reduced, and the construction quality and the construction efficiency are improved.

The invention relates to the technical field of roof water resistance and discloses a roof waterproof roll baking device comprising a flame baking mechanism. The flame baking mechanism comprises a flame gun and a liquid gas storage tank. The flame baking mechanism is arranged on a base plate. A boosting handle is vertically arranged on the right side of the base plate. The bottom of the four corners of the base plate is provided with sliding wheels. A waterproof roll laying mechanism is arranged on the left side of the base plate. The roof waterproof roll baking device is simple and compact instructure, efficient and reliable in actual work effect, capable of greatly lowering the labor intensity of roof waterproof roll baking and improving the laying quality of the waterproof roll at thesame time.

The invention relates to a double-layer steel plate composite shear wall with corrugated web I-shaped steel members tied, and belongs to the field of structural engineering. The composite shear wall is composed of a double-layer steel plate shear wall formed by welding a plurality of steel plate shear wall units with corrugated web I-shaped steel members and integrally poured concrete. Each steelplate shear wall unit is formed by welding two front-back symmetrical outer side steel plates and one corrugated web I-shaped steel member with the length equal to that of the outer side steel plates.The web width of the corrugated web I-shaped steel members can be remarkably larger than the horizontal spacing of the corrugated web I-shaped steel members, elastic buckling loads of plates betweencells are similar, and the economical efficiency of the steel plate shear wall is effectively improved. Corrugated webs in the corrugated web I-shaped steel members only bear lateral force in the wallstress process and basically do not bear vertical force, compared with flat webs, the corrugated webs cannot lose stability when being pressed, the connecting performance of the corrugated web I-shaped steel members and the outer side steel plates is effectively guaranteed, and the overall stability is remarkably improved.

The invention belongs to the technical field of show articles and relates to a prop used during showing, in particular to a giant dance prop. A colored-drawn head-shaped plastic shell which is obtained by amplifying a normal person by two times and provided with shoulders is arranged on the upper portion of the giant dance prop, the head-shaped plastic shell is fixed to an internal cross-shaped supporting frame, two shoulder hooks and chest restraint binding cloth belts are arranged on the lower portion of the cross-shaped supporting frame, plastic arms which can swing forwards and backwards are arranged on the shoulders of the head-shaped plastic shell, cranks are arranged on plastic arm shafts, push-pull rods which can be held by both hands of a performer are downwards arranged on the cranks, a cap or a kerchief is worn on the top of the head of head-shaped plastic shell, a long gown is worn on the shoulders and the plastic arms, multiple small holes are formed in the front side of the middle of the long gown, and large pants are arranged in the lower portion of the long gown. When the giant dance probe manufactured according to the technical scheme is used for performing, the requirement for the high-altitude balance skill of the performance does not exist, the performer walks on the flat ground, the risk that the performer falls down at the high altitude is avoided, and general persons can perform; due to the fact that the prop is a giant human-shaped doll, great fun can be brought to audiences.

The invention is applicable to the technical field of solar photovoltaic, and provides a grabbing and superposing method applied to a photovoltaic module production line. A transfer assembly is adopted; an adsorption assembly comprises a servo electric cylinder and a vacuum generator; the vacuum generator is located under the servo electric cylinder and is fixedly connected with an output shaft ofthe servo electric cylinder; a sucker is arranged on the bottom part of the vacuum generator; and multiple air inlets are formed in the bottom part of the sucker. Through arranging the servo electriccylinder, the vacuum generator and the sucker, the servo electric cylinder is started to drive the sucker to contact glass, the vacuum generator is then started to enable the sucker to suck the glass, and then the glass is moved onto an operation table through a first air cylinder, so that according to the device, the glass has no need to be manually transferred, and is stressed uniformly so as to be prevented from falling off.

The invention discloses a stern tube stern shaft pulling-out method, a stern shaft is inserted into a stern tube, one end of the stern shaft is connected with a propeller, the other end of the stern shaft is connected with a main engine through an intermediate shaft, and the intermediate shaft is installed on an intermediate bearing base; the method comprises the following steps: temporarily suspending an intermediate shaft detached from an intermediate bearing in the air; detaching the intermediate bearing from the base, and then sinking the intermediate shaft into the base; and pulling the stern shaft out of the stern tube and moved out of the cabin from the opening in the side of the cabin. The intermediate shaft is placed in the base of the intermediate bearing base nearby, the intermediate shaft does not need to be transferred to other areas of a cabin, a large number of manpower and material resources are saved, the time for pulling out the stern shaft is shortened, the construction efficiency of a ship is improved, meanwhile, the risk that the intermediate shaft falls off cannot occur, and the construction safety is guaranteed.

The invention discloses a 10KV(20KV) centrally installed switchgear breaker running dolly in the technical field of centrally installed switchgears. The dolly comprises a movable pedestal, universal wheels are arranged in the bottom of the movable pedestal, a fixed frame is arranged in the left end of the movable pedestal, a lifting handle is movably arranged in the inside wall of the fixed frame,a declining handle is movably arranged under the lifting handle, a declining handle locking mechanism is movably arranged in the outer wall of the front end of the fixed frame, a limiting support isarranged in the top of the movable pedestal, and movable and fixed support bars are movably arranged in the outer wall of the limiting support. The dolly is suitable for high tension switchgears of different manufacturers, the bottom of a breaker can be inspected, maintained and tested simply via an additional maintenance function, different types of switchgears can be operated, adjustment is convenient and rapid, it is not required to replace the dolly when the switchgears in different types are operated, the risk that a handcart falls of in the operation process is avoided, and the whole operation, transport and maintenance cost of the high tension switchgear is reduced.