73results about How to "Convenient for night work" patented technology

The invention discloses a portable laser deruster. The portable laser deruster comprises a laser system, a light beam adjusting system and a conductive fiber. The laser system is connected with the light beam adjusting system through the conductive fiber. The laser system comprises a main case, a laser device, a control plate and an output mirror, wherein the main case is provided with straps, and the laser device is located in the main case. The corresponding output end of the control plate is connected with a data interface of the laser device. The output end of the laser device is provided with the output mirror. The light beam adjusting system comprises an optical isolation channel and an optical reshaping probe. The optical isolation channel comprises an optical channel shell and an isolation sleeve, wherein the optical channel shell is provided with a handle, and the isolation sleeve is arranged in the optical channel shell. A clamping ring is arranged at one end of the optical channel shell, and the other end of the optical channel shell is connected with the optical reshaping probe. A beam expansion mirror, a scanning galvanometer and a light condensation system are sequentially arranged in the optical reshaping probe in the direction from the junction between the optical reshaping probe and the optical channel shell. The light condensation system comprises a mirror bracket, an F-Q field lens ring and an F-Q lens. The portable laser deruster has the advantages of being simple in structure, convenient to use, safe, and stable, thereby being beneficial to field operation.

A caterpillar type electric overhaul vehicle comprises a caterpillar type chassis. A power system and a vehicle travel auxiliary system are installed on the caterpillar type chassis. The power system is connected with a caterpillar walking system of the caterpillar type chassis. An electric generator and a hydraulic pump are installed on the caterpillar type chassis and connected with the power system. The output end of the electric generator is connected with a power output quick port and operation board. The output end of the hydraulic pump is connected with a hydraulic output quick port and operation board. A load supporting shell is arranged above the caterpillar type chassis. The power output quick port and operation board and the hydraulic output quick port and operation board are installed on the load supporting shell. A hydraulic winch is arranged on the caterpillar type chassis and installed at the end of the caterpillar type chassis. A goods dragging steering disc for facilitating steel rope motion of the hydraulic winch is arranged at the portion, above the hydraulic winch, of the load supporting shell.

The invention relates to the technical field of electric tools, in particular to a wall polisher. The wall polisher comprises an operating handle, a motor and a polishing head. The polishing head comprises a top cover, a base and abrasive disc assemblies. A transmission mechanism for transmitting the torque of the motor to the abrasive disc assemblies is arranged between the top cover and the base. An output shaft of the transmission mechanism is an eccentric shaft or a concentric shaft. An abrasive disc of each abrasive disc assembly is installed at the lower end of the eccentric shaft or the concentric shaft. The base is internally provided with a rotating disk, one side of the rotating disk is provided with a shifting handle, the rotating disk is provided with one or more limiting holes, the top cover is fixedly provided with a positioning rod stretching into the limiting holes, and the limiting holes can clamp or loosen the positioning rod through the rotation of the rotating disk. According to the wall polisher, the two different abrasive disk assemblies are usually prepared, the output shaft of the transmission mechanism of one abrasive disk is the eccentric shaft, the other output shaft of the transmission mechanism of the other abrasive disk is the concentric shaft, different abrasive disk assemblies can be rapidly switched, and therefore the wall corner can be polished very conveniently.

The invention provides a multifunctional electric drill bringing convenience to processing. The multifunctional electric drill comprises an electric drill body which is provided with a driving mechanism, wherein a handle for handholding, and a drill bit part for drilling a hole are arranged on the electric drill body; the drill bit part comprises a drill bit clamp, and a drill bit which is arranged on the drill bit clamp. The multifunctional electric drill further comprises a first laser lamp and a second laser lamp, wherein light beams generated by the first laser lamp and the second laser lamp meet each other in one point; the first laser lamp is movably connected to the electric drill body; the handle comprises a first handle and a second handle which are symmetrically arranged at two sides of the electric drill body. The multifunctional electric drill has the following beneficial effects that 1) the drilling depth can be controlled according to the location of the point where the two light beams meet each other, the structure is simple, and the operation is convenient; 2) the electric drill can be operated with both hands or one hand; in addition, a light source is provided and facilitates the work at night; 3) an inclined hole can be conveniently and accurately drilled.

The invention discloses a pesticide spray vehicle, which comprises a vehicle frame, a walking wheel, a truss tube, a pull rod and a lifting oil cylinder. One end of the axle rod is movably connected with the sleeve. The invention improves a pesticide spray vehicle with a novel structure; the truss structure in the invention can realize the spraying of two rows of crops at the same time, ensuring that the medicine can be accurately sprayed on the crops through the guide pipe , to ensure that the liquid medicine can be effectively absorbed by the fruit trees, reducing the waste of liquid medicine; the adjustment of the running wheel track of the pesticide spray vehicle within a certain range can be realized, and at the same time, effective shock absorption can ensure the stability of the frame operation. In addition, the present invention sets Lighting is installed to facilitate night work; at the same time, a stirring device can be installed in the medicine box; it is convenient to prepare medicine.

The invention provides an automatically illuminating system used in a crane. The automatically illuminating system includes an optical-sensing device, an image recognition device, a camera device, an illuminating device and a controller, wherein the optical-sensing device and the image recognition device are respectively connected electrically to the controller. The camera device is electrically connected to the image recognition device. The illuminating device is connected to the controller and is arranged on a hoisting apparatus in the crane. The camera device is disposed on a main beam of the crane. Both the image recognition device and the controller are disposed in an operation room of the crane. The automatically illuminating system is advantaged in that illumination intensity of the illuminating device can be adjusted according to the intensity of light in a construction site and the illumination angle can be adjusted according to orientation of goods, so that night operation of the crane is convenient to carry out.

The invention discloses a dust collecting electric drill with illumination function, which comprises an electric drill main body, an electric drill bit holder, and an electric drill bit. The electric drill main body head part is provided with the electric drill bit holder, and the electric drill bit holder is provided with the electric drill bit, wherein a dust collecting mask is arranged between the electric drill bit holder and the electric drill main body and connected with a hose, the hose is connected with a dust / drill cuttings storage chamber, the dust / drill cuttings storage chamber has one side provided with an opening and the other side connected with a driving chamber, a driving motor is arranged in the driving chamber and connected with a suctioning fan, the suctioning fan communicates with the dust / drill cuttings storage chamber, an interlayer is arranged in the dust collecting mask, and a plurality of illuminating lamps are arranged in the interlayer. The invention has the advantages that the dust collecting part of an improved electric drill is increased, that the dust collecting range covered by the dust collecting mask is larger, that dust collection is thorough, that the illuminating lamps arranged on the dust collecting mask can bring convenience to work at night, and that a wire storage device at an electric drill handle can hold electric drill wires to convenience long-distance work.

Disclosed is an outdoor shovel which comprises a flashlight, a handle, a direction adjusting mechanism, a pickaxe and a shovel face. The flashlight is connected with a screw thread pair of a tail handle of the handle, the handle is formed by tightening multiple sleeves through spring clamps, and the pickaxe is connected with the handle through the direction adjusting mechanism and inserted in the middle of the tail end of the shovel face. The handle is formed by tightening the multiple sleeves via a spring clamp manner, so that convenience is brought to detachment, and the sleeves can be assembled into the handle with random length; besides, tools including but not limited to a magnesium rod, a saw blade, a screwdriver, a cutter, the flashlight and the like can be further arranged.

The invention discloses an information desk with a voice function for technical consultation. The information desk comprises a worktop; a fixing seat is welded to one side of the outer wall of the topof the worktop; an electric telescopic bar is fixed to the top outer wall of the fixing seat via a bolt; one end of an extension bar of the electric telescopic bar is fixedly provided with a connection bar via a bolt; a lamp is hinged to the part, far away from the electric telescopic bar, of one end of the connection bar; a voice announcer is fixed to the top outer wall of the worktop via bolts;a desk cabinet is welded to the part, close to each end, of the bottom outer wall of the worktop; a control box is welded to the outer wall of one side of each desk cabinet. The information desk herein is more intelligent, provides greater conveniences of office work, has better practicality, has adjustable lighting angle, facilitates working at night, allows a worker to be relaxed when tired, helps improve working efficiency for the worker, and has the additional function of relaxing human.

The invention discloses a screwdriver which comprises a screwdriver head and a handle. The screwdriver head part is fixed by a magnetic fixing slot on the handle. The handle is provided with a hollow cavity; and an LED (light emitting diode) lamp device is arranged on the hollow cavity. The LED lamp device is connected with the magnetic fixing slot; and the handle is made from a transparent material. The screwdriver disclosed by the invention mainly can provide illumination at night, and is convenient for work at night and ensures safety of workers. The screwdriver has simple design and is convenient to use.

The invention relates to the technical field of electric tools, in particular to a wall polisher. The wall polisher comprises an operating handle, a motor and a polishing head. The polishing head comprises a top cover, a base and abrasive disc assemblies. A transmission mechanism for transmitting the torque of the motor to the abrasive disc assemblies is arranged between the top cover and the base. An output shaft of the transmission mechanism is an eccentric shaft or a concentric shaft. An abrasive disc of each abrasive disc assembly is installed at the lower end of the eccentric shaft or the concentric shaft. The base is internally provided with a rotating disk, one side of the rotating disk is provided with a shifting handle, the rotating disk is provided with one or more limiting holes, the top cover is fixedly provided with a positioning rod stretching into the limiting holes, and the limiting holes can clamp or loosen the positioning rod through the rotation of the rotating disk. According to the wall polisher, the two different abrasive disk assemblies are usually prepared, the output shaft of the transmission mechanism of one abrasive disk is the eccentric shaft, the other output shaft of the transmission mechanism of the other abrasive disk is the concentric shaft, different abrasive disk assemblies can be rapidly switched, and therefore the wall corner can be polished very conveniently.

The invention discloses a multifunctional learning seat capable of heating and adjusting seat postures according to different needs of users. The multifunctional learning seat comprises a main body, and a supporting leg assembly arranged below the main body and capable of stretching, wherein the main body comprises a backrest and a seat cushion; a headrest part is arranged at the upper part of thebackrest, a leaning part is arranged in the middle of the backrest, and a waist supporting part is arranged at the lower part of the backrest; heating parts are symmetrically arranged on both sides of the leaning part; electric heating plates are arranged in the heating parts in an embedded manner; a massage part is arranged in the middle the leaning part; and rows of massage bulges arranged sideby side are distributed on the massage part. For the multifunctional learning seat provided by the invention, the backrest is divided into three parts, a headrest part, a leaning part and a waist supporting part, and the external shape is in perfect fit with the back of a human body. In addition, the leaning part can be heated continuously by the electric heating plates, and can be divided into two parts, namely the heating part and a massaging and ventilating part, so that the user does not feel uncomfortable and the overall comfort is relatively high.

The invention provides an unmanned aerial vehicle take-off platform. The take-off platform comprises a take-off table, a connecting rod and a plurality of telescopic foot stands. The take-off table isin spherical hinge connection with one end of the connecting rod, the other end of the connecting rod is hinged to the telescopic foot stands, the take-off table is a cylindrical aluminum disc, an identification block is embedded in a circle center of an upper surface of the take-off table, and a spherical level meter is embedded in a centroid of the identification block. In the invention, many unstable factors of takeoff of the unmanned aerial vehicle in a severe environment are avoided, inspection safety and inspection quality are enhanced, stable takeoff and landing of the unmanned aerialvehicle are ensured, the unmanned aerial vehicle and a pilot are well protected, a structure is simple, installation is not needed, use is convenient and fast, and a use value is higher.

The invention discloses an adjustable scaffold. The scaffold includes supporting rods, inner threaded rods, threaded rods and a base. Threaded rod fixing bases are welded to the two ends of the top ofthe base respectively, the two threaded rods are installed at both ends of the threaded rod fixing bases respectively and internally provided with the inner threaded rods respectively, a driven gearis installed at the bottom of each threaded rod, two curved mounting rods are welded to the middle of the top of the base, and a motor mounting frame is arranged on the top of each curved mounting rod; a motor is fixedly mounted in each motor mounting frame through a motor fixing bolt, a rotating shaft is installed at one end of each motor, a driving gear is installed on the surface of each rotating shaft and meshed with the corresponding driven gear, and supports are welded to the tops of the two inner threaded rods respectively. Through arrangement of a series of structures above, the adjustable scaffold has the advantage of being convenient to use and adjust, stable in structure and the like.

A solar luminous pen mainly comprises a pen cap, a pen holder and a pen point, wherein the pen cap is big; a big pen nose is arranged on the pen cap; a solar panel is embedded in the pen nose; a controller and a round lithium battery are arranged in the closed end of the pen cap; the lower part of the lithium battery is connected with a round hole interface; the upper end of the pen holder is a cylindrical plug; the lower part of the pen holder is connected with the pen point; and a conducting wire in the pen holder is connected with the cylindrical plug and an LED lamp head on the pen point. The solar luminous pen completely takes solar energy as an energy source, emits uniform light, has a good illuminating effect, consumes little electric energy, facilitates night work, and particularly can prevent children from bad writing habits. Meanwhile, the luminous pen has a strong attraction to children who like new things, can enhance the children's interest in writing and improve study enthusiasm, and is a stationery article very suitable for children.

The invention discloses an internet-based crop planting small environment monitoring system comprising an agricultural small environment monitoring internet and a central server. The central server consists of a monitoring control host and a display module. The agricultural small environment monitoring internet includes a plurality of monitoring stations distributed in an agricultural production space range. The monitoring control host of the central server is connected with central processing units of the monitoring stations via the internet. Besides, the monitoring stations also include environmental monitoring devices, storage devices, processing devices and auxiliary devices connected to the central processing units. According to the invention, the growth environment of the crop can bemonitored at any time and can be adjusted to ensure that the environmental condition is an optimal growing environment condition of the crop; and thus the optimal growth of the crop is guaranteed, sothat the optimal crop yield is obtained.

The invention relates to unmanned aerial vehicle illumination measurement equipment that comprises a miniature unmanned aerial vehicle, a control module and an illuminometer; the control module and the illuminometer are installed on the miniature unmanned aerial vehicle. The control module comprises a Beidou positioning navigation unit, a control unit, a power supply unit, a sensing unit, a firstinterface and a second interface; the control unit is connected with the Beidou positioning navigation unit, the power supply unit, the sensing unit and the first interface; the second interface is connected with the sensing unit, the micro unmanned aerial vehicle is connected with the first interface, and the illuminometer is connected with the second interface. Compared with the prior art, manpower is replaced by flight of the miniature unmanned aerial vehicle, the accuracy of site grid point selection is improved, manpower can be liberated, and the efficiency of illuminance measurement is greatly improved.

The invention discloses a basket for a building construction site. The basket comprises a supporting frame. The upper end face of the supporting frame is fixedly connected with an inverted-V-shaped protection cover. Two flying rings are evenly welded to the middle of the protection cover. The lower end face of the supporting frame is connected with a basket body. Falling prevention plates are symmetrically arranged on the two sides of the basket body. A bottom plate is arranged on the lower end face of the basket body. An escape device is fixedly connected to the middle of the bottom plate. A power source is arranged on the upper end face of the bottom plate. A protection door is arranged on one side of the basket body and is rotatably connected with the basket body through a pin shaft. A protection lock is fixedly mounted on the inner surface of the protection door. Four universal wheels are evenly and fixedly connected with the side, provided with the protection door, of the basket body. The basket is simple in structure, comprehensive in function, capable of effectively preventing objects falling from high altitudes from influencing safety of constructors below the objects, and capable of providing escape guarantee for constructors in the basket body.

The invention discloses a novel gantry crane. The novel gantry crane comprises gantry stand columns, a cross beam, lighting equipment, tracks, a motor, a transmission wheel set and a transmission chain. The two ends of the cross beam are each provided with the two corresponding gantry stand columns. The top ends of every two stand columns are connected and form a triangle together with the corresponding track. The cross beam and the stand columns are connected together through connecting blocks. A sliding groove is formed in the lower side of the cross beam and internally provided with a sliding block. The motor is mounted on the sliding block and provided with the transmission wheel set. The transmission chain and a hook are arranged below the transmission wheel set. The lighting equipment is arranged at the upper side of the cross beam. Multiple trusses are arranged on the cross beam. A sliding block is arranged at the lower end of each gantry stand column. Each sliding block is provided with a concave clamping groove. The tracks are fixed to the ground and provided with I-shaped protrusions. A working platform is arranged between the two tracks. The novel gantry crane is simplein structure and principle, working stability of the gantry crane is greatly improved, and the gantry crane is suitable for working at night.

The invention discloses a cotton seed seeding machine. The cotton seed seeding machine comprises a supporting rod, a handle is hinged to the top of the supporting rod, one side of the supporting rod is provided with a seed storage box, the bottom of the seed storage box is provided with an opening, the opening of the seed storage box is provided with a seed seeding tube, the upper portion of the seed seeding tube is provided with a water box, the outer side of the lower portion of the seeding tube is provided with a foot board, a connection between the seed storage box and the seeding tube is movably connected with a separator board, the upper surface of the separator board is connected with the handle through a connecting rod, the supporting rod is provided with a lighting device, and the bottom of the water box is provided with a dropper. The cotton seed seeding machine has the advantages of simple structure, convenience, practicality, and time and labor saving, and can sow seeds in regions where large seeding devices cannot be used; the water box is arranged to realize seed water supply in the seed seeding process, so sufficiency of water of the growth environment of seeds is guaranteed; and the lighting device is arranged to make working at night be convenient.

The invention discloses a protective device of a transportation device for mine repair, and relates to the technical field of mining machinery. The protective device of the transportation device for the mine repair comprises a cart body, wherein universal wheels are rotatably installed at the bottom of the cart body, a damping mechanism is arranged above the cart body, a placing box is fixedly installed on the cart body through the damping mechanism, a transverse plate is welded to the adjacent side walls of the placing box, three groups of vertical plates are welded to the bottom of the placing box, the other sides of the vertical plates are fixedly connected with the transverse plate, a side bracket is welded to the top of the cart body, and a top seat is welded to the top of the cart body. The protective device has the advantages of clever design, good protection performance and convenience in popularization, dust in a mine can be atomized, the cleanliness of air is increased to a certain degree, the respiratory tract of working personnel is prevented from being hurt by the dust, the safety of tool placement is increased, and tools are prevented from falling off.

The invention discloses an integrated rock core cabinet which is specially used for collecting and putting rock cores. The integrated rock core cabinet comprises a cabinet frame, object supporting layers, label boxes, rock core boxes and a cabinet top layer and is characterized in that the cabinet frame is a cuboid frame formed by welding square steel pipes and internally provided with the multiple object supporting layers; the label boxes are fixedly connected with the object supporting layers, the rock core boxes are fixedly connected with the object supporting layers, and the upmost layer of the cabinet frame is the cabinet top layer; each object supporting layer is fixedly connected with the cabinet frame and a welding layer formed by multiple square steel pipes in a longitudinal and horizontal cross mode, each rock core box is an integrated high-strength plastic part and divided into a plurality of rock core grooves through a plurality of side plates and partition plates, each side plate is in inlaid connection with the corresponding partition plate, and the partition plates are detachable; the end of each rock core groove opening is provided with a detachable groove baffle, and each groove baffle is in inlaid connection with the corresponding side plate; the cabinet top layer is composed a solar panel, LED lamps and a storage battery set; the solar panel is fixedly connected to the upper surface of the cabinet top layer, the LED lamps are fixedly connected to the lower sides of the square steel pipes on the periphery of the cabinet top layer, the storage battery set is fixedly connected to the center of the lower surface of the cabinet top layer, and the LED lamps are connected with the storage battery set through electric wires. The integrated rock core cabinet has the advantages of being simple in structure, high in capacity, convenient, rapid, capable of achieving environmental protection and energy saving, safe, reliable and the like.

A lifting, demounting and moving tool for a storage battery special for a substation comprises a telescopic transverse rod and is characterized in that the transverse rod comprises an inner tube and an outer tube which are connected in a sleeved manner, a first screw is mounted on the inner tube, a second screw is mounted on the outer tube, the first screw and the second screw are vertical to the transverse rod, a hand wheel is arranged at the top of each of the first screw and the second screw, a limit groove is formed in the outer tube, a second hole is axially formed in the inner tube, a first hole is radically formed in the lateral wall of the inner tube, the first hole is communicated with the second hole, a conical head is mounted in the second hole, a push block, a first spring, a locking rod and a fixing ring are mounted in the first hole, and the first spring is mounted on the outer periphery of the locking rod. The lifting, demounting and moving tool has the advantages that the tool can be connected with the anode and cathode interfaces of the storage battery of the substation, the storage battery can be lifted by one hand, a handle part is telescopic, the tool is small in space occupation during carrying and can be conveniently carried about by maintenance staff, accidental disconnection of the telescopic structure after load bearing is avoided, high safety during storage battery moving is achieved, and lighting can be performed by using the electric energy in the storage battery to facilitate the night work of the maintenance staff, and the like.

The invention discloses a sedimentation tank mud removal device for industrial sewage treatment and a use method thereof. The sedimentation tank mud removal device comprises an operation frame, the left side of an inner cavity of the operation frame is fixedly connected with a sludge pump, the right side of the sludge pump communicates with a connecting hose, and the bottom of the connecting hosecommunicates with a movable steel pipe; the bottom of the movable steel pipe penetrates to the bottom of the operation frame; a mounting plate is fixedly connected to the surface of the movable steelpipe, and two electric telescopic rods are fixedly connected to the bottom of an inner cavity of the operation frame. Sludge can be stirred through a first gear motor, a rotating rod and a stirring disc and is more easily sucked and transported by a sludge pump, the use height of a movable steel pipe can be adjusted through an electric telescopic rod, a mounting plate and a connecting hose, use ofthe equipment is more flexible, and through use of a spray pipe, an output rod and a second gear motor, the water spraying angle of the equipment can be adjusted, so that the equipment can wash sludge conveniently, and the sludge can be cleaned and transported conveniently.

The invention discloses a building safety helmet which comprises a laryngeal mask, protective spectacles and a cap. The cap is mounted on the upper side of the laryngeal mask, the protective spectacles are arranged on the upper side of the laryngeal mask, a boss is mounted on the top of the cap, an LED illuminating lamp is mounted on a surface of the boss, a lithium battery is mounted inside the boss, a sponge cushion is arranged inside the cap, a sweat absorption band is mounted at the bottom of the inside of the cap, a hoop is arranged inside the cap and is positioned above the sweat absorption band, a winder is mounted on the inner wall of one side of the cap and is positioned below the sweat absorption band, a safety belt buckle is mounted on the inner wall of the other side of the capand is positioned below the sweat absorption band, and an exhaust pipe orifice is formed in the surface of an end of the cap. The building safety helmet has the advantages that the building safety helmet is provided with a series of structures, accordingly, the safety of staffs can be guaranteed by the building safety helmet in building production procedures, dust prevention, antibacterial, cooling and emergency treatment effects further can be realized, the comfort of the building safety helmet can be improved, and the work efficiency can be enhanced.

The invention relates to water supply facility for fire protection, in particular to an engine driven water drawing device comprising a full circle swinging combined arm, a generator set, a fire pump group, a storage tank, a water drawing pump, a pump arm fast connecting device, a hydraulic device and a general control cabinet. The engine driven water drawing device is characterized by comprising a hoisting frame consisting of a base and a framework arranged at the upper end of the base, and the framework is formed by connecting brackets with transverse beams; and the full circle swinging combined arm, the generator set, the fire pump group, the storage tank, the water drawing pump, the pump arm fast connecting device and the general control cabinet are respectively fixed in the hoisting frame. By adopting the structure, the invention breaks through the traditional mode of water supply, draws water by utilizing natural water sources involving visible water sources, such as rivers, reservoirs, ponds, seasides, swamps, everglades, and the like, quickly provides emergency water for long-distance fire fighting, disaster relief and field armies through high pressure and flowrate, fast pumps the emergency water to the scene of fire or places near the scene of fire, and can provide water for a plurality of water cannons to directly put out a fire or for a fire fighting tank car so as to shorten the distance of water-supplementing round trip, thus buying invaluable time.

The invention provides a portable shovel, comprising a blade and a handle. The blade is provided with a reinforcing plate, a connection block and a foot block; the handle is composed of three branch handles; the blade is in threaded connection with the handle through the connection block; the three branch handles are in threaded connection; the third branch handle is provided with a grip and a flashlight; the upper end face of the foot block is provided with a recessed arc face. The portable shovel is simple in structure and has better axial stability and ore structural stability than common folding shovels since the threaded connection is employed; the whole shovel is of three-segment design, the overall length of the blade and the first branch handle, the length of the second branch handle and the overall length of the third branch handle and the grip are equal, carrying and storage are facilitated after disassembly, the inner recessed arc face of the upper end of the foot block moreadapts to a sole, stepping is more comfortable, and stress bearing is more stable; the flashlight is releasably mounted through a ferrule, nighttime operation is facilitated, and removal is also veryconvenient.

The invention relates to the technical field of transformer substation auxiliary devices and in particular to an experiment emergency power supply vehicle. The experiment emergency power supply vehicle comprises a vehicle body, a handle and a folding plate. One side face of the handle is provided with a first fixing device. A top surface of the vehicle body is provided with a second fixing device.A bottom surface of the vehicle body is provided with a third fixing device. A bottom surface of the folding plate is provided with a fourth fixing device. The first fixing device is matched with thesecond fixing device. The third fixing device is matched with the fourth fixing device. The bottom of the folding plate is provided with a first vehicle wheel. The bottom of the folding plate is provided with a second vehicle wheel. A surface of the vehicle body is provided with a charging interface and an output interface. The interior of the vehicle body is provided with a charging battery. Thecharging interface is electrically connected with an input end of the charging battery. The output interface is electrically connected with an output end of the charging battery. The experiment emergency power supply vehicle has capacity of storing electric energy, is capable of integrating a power supply and a testing instrument, and suitable for mobile operation of multiple intervals of a tester in a transformer substation, and capable of effectively simplifying an operation flow, improving site work efficiency, and increasing mobility and reliability in the transformer substation.

The invention discloses a working method for a multifunctional electric drill convenient to machine. The electric drill comprises an electric drill body with a driving mechanism and further comprises a first laser lamp and a second laser lamp; handles allowing hands to hold and a drill bit part for drilling holes are arranged on the electric drill body; the drill bit part comprises a drill bit clamp and a drill bit arranged on the drill bit clamp; light beams emitted by the first laser lamp and the second laser lamp intersect at one point, and the first laser lamp is movably connected to the electric drill; and the handles comprise a first handle and a second handle which are symmetrically arranged on the two sides of the electric drill body. The working method has the beneficial effects that 1) the drilling depth is controlled through the position of the intersection point of the two light beams, the structure is simple, and the operation is convenient; 2) the electric drill can be operated by two hands and by one hand and comprises a light source, and therefore operation at night can be facilitated; and 3) an inclined hole can be very conveniently and accurately drilled.

The invention discloses a reservoir water level monitoring device based on computer technology. The device comprises a base, a vertically arranged support pillar is welded at the outer wall of the topof the base, and a fixed block is fixed at the outer wall of the top of the support pillar through a bolt, a solar cell panel is fixed at the outer wall of the top of the fixed block through the bolt, and a fixed slot is formed at the outer wall of one side of the fixed block; a wind driven generator is fixed at the inner wall of the fixed slot through the bolt, and fan blades are sleeved on an input shaft of the wind driven generator; a horizontally arranged first connecting rod is welded at the outer wall of one side of the support pillar, and a connecting block is welded at the outer wallof one side, far away from the support pillar, of the first connecting column, and a groove is formed at the outer wall of one side of a connecting block. The monitoring device disclosed by the invention has good monitoring effect and can provide convenience for the night work of a worker; the monitoring device is powerful in function, can develop new energy source, energy-saving and environment-friendly, and meets the life concept of sustainable development.