953results about "Office building" patented technology

A work light including a base, an arm, a light fixture, and a manual release assist mechanism. The base includes a plurality of magnets that is configured to create a magnetic connection between the base and the work surface to secure the base to the work surface. The arm is attached to the base and is configured to pivot relative to the base. The light fixture is coupled to the arm at an end of the arm opposite from the base. The manual release assist mechanism is provided on the base. The manual release assist mechanism is engageable with the work surface to reduce the strength of the magnetic connection between the base and the work surface.

The utility model relates to the technical field of optical fiber laying, and discloses a robot for laying a rainwater pipe optical fiber, which comprises a robot body, and the robot body comprises a power bin head, a cable bin, a glue bin and a power tail bin; a liftable second unpowered supporting leg is movably mounted at the top of the glue bin; the interior of the cable bin is hollow, a take-up roller used for take-up is rotationally installed in the cable bin, a first unpowered supporting leg is movably arranged at the top of the cable bin, and through modular design, assembling, function adjustment and equipment function completion are facilitated; due to wireless data transmission, the equipment can enter more complex environments; videos are transmitted in real time, and the bonding effect can be observed and stored for future reference; and through connection of the corrugated connecting pipe, adaptability to the pipeline environment complexity degree is guaranteed, cables can be protected, the device can adapt to pipelines with different inner diameters within a certain range, adaptability is high, and the practical effect is good.

The multi-view imaging detection light source comprises a shell, a plurality of first reflectors, a plurality of second reflectors and a first light source assembly, the shell is provided with a light path channel, an input end and an output end, and the input end and the output end are communicated with the two ends of the light path channel; the first reflectors are arranged at intervals along the inner peripheral wall of the light path channel, the first reflectors are arranged close to the input end, and the mirror surfaces of the first reflectors are obliquely arranged in the extending direction of the light path channel towards the inner peripheral wall deviating from the light path channel; the second reflectors are arranged at intervals along the inner peripheral wall of the light path channel, the second reflectors are arranged close to the output end, and the mirror surfaces of the second reflectors are obliquely arranged close to the inner peripheral wall of the light path channel in the extending direction of the light path channel; a detected object used for detection is located at the output end, and an image of the detected object can be reflected into the input end through the second reflectors and the first reflectors in sequence; in this way, the detection camera located at the input end can shoot images of the detected object at multiple visual angles in one-time image taking, and the image taking efficiency is improved.

The invention relates to the technical field of soil improvement, in particular to a soil improvement device for open pit coal mine reclamation, which comprises an improvement vehicle, and the tail part of the improvement vehicle is provided with a ploughing assembly; the ploughing assembly comprises a connecting rod, the end, away from the improvement vehicle, of the connecting rod is fixedly connected with a shielding plate, the top of the shielding plate is fixedly connected with a first driving part, an output shaft of the first driving part is fixedly connected with a first bevel gear, and the first bevel gear is meshed with a second bevel gear; a plurality of transmission gears are rotationally connected to the bottom of the baffle plate; the bottoms of the transmission gears are fixedly connected with transmission rods, and the transmission rods are fixedly connected with a plurality of ploughing blades. Through the ploughing assembly, the storage assembly, the stirring assembly and the spraying assembly, when the ploughing assembly is used for ploughing the soil, the spraying assembly is used for spraying a modifier into the soil, so that the soil ploughing and the modifier spraying can be synchronously carried out, the soil is fully improved, and the vegetation recovery is promoted.

The purple light lamp tube comprises a purple light LED lamp and a lamp tube shell, the top of a side plate of the lamp tube shell is connected with a heat dissipation base, the purple light LED lamp is arranged on the inner side wall of the heat dissipation base, and the bottom of the side plate is connected with a light condensation rod; the heat dissipation base is provided with a heat dissipation cavity and an upper cover plate, the upper cover plate is provided with an air inlet and an air outlet, and the lamp tube shell is provided with an end cover. A purple light lamp box comprises purple light lamp tubes and a lamp box body, and end wall lamp tube angle adjusting grooves and end wall lamp tube hinge holes are formed in the end walls of the box body. The image acquisition mechanism comprises a purple light camera, a purple light camera support, a purple light lamp box, ultra-white glass and a middle cotton channel. When the ultraviolet lamp, the ultraviolet lamp box and the seed cotton fluorescent foreign fiber image acquisition mechanism work, a light source is cooled and radiated, and a good cooling effect is achieved; meanwhile, impurity fluorescence can be excited through the emitted purple light, the reflection characteristic difference of the material can be enhanced, the detection precision of specific types of foreign fibers can be improved in the detection process, and dyeing impurities can be accurately recognized.

The invention belongs to the technical field of maintenance illumination in a high-radiation environment of a nuclear power station, aims to solve the problems that illumination in the underwater environment under high radiation is insufficient and a traditional underwater lamp is inconvenient to use flexibly due to the too large size, and discloses a portable illumination device for maintenance illumination in the high-radiation environment of the nuclear power station. Comprising a strip-shaped floodlight assembly, a column-shaped floodlight assembly or a round floodlight assembly which are installed on a long-rod connecting rod, an LED lamp is arranged in a main body frame of the strip-shaped floodlight assembly, a floodlight reflecting tile and the LED lamp are correspondingly arranged, the column-shaped floodlight assembly is provided with a floodlight cavity and a front cover, and floodlight thermoswitch pressing plates are installed in the floodlight cavity and the front cover. An LED lamp is installed on the floodlight thermoswitch pressing plate, an LED lamp is arranged in a circular cavity of the circular spotlight assembly, and a spotlight reflecting tile is installed in front of the LED lamp. According to the invention, portable and effective illumination can be provided for the underwater operation environment in the maintenance activity of the nuclear power station in the high-radiation environment.

The utility model relates to an elevated lighting lamp stand structure used in a building construction site, which comprises an elevated body structure and a distance adjusting type lamp installation structure, and the elevated body structure comprises an elevated platform foundation frame and an installation platform. The distance adjusting type lamp mounting structure comprises a foundation connecting and adjusting structure arranged on the upper portion of the mounting platform and a plurality of lamp assembling table structures arranged on the upper portion of the foundation connecting and adjusting structure. The elevated lighting lamp stand structure is provided with a plurality of groups of adjusting mechanisms, a plurality of universal lamp mounting seats can be conveniently mounted on a building, multidirectional lighting of a building construction site is realized, and the universal lighting lamp stand structure is simple in structure, convenient to use and high in practicability. And along with rising of building floors or change of construction stages, the mounting position of the supporting mechanism moves along with a construction key area, and it is ensured that all the floors and all the areas are fully illuminated.

The invention relates to the technical field of glass detection, and discloses a surface flaw detection device for new material tempered glass production, the surface flaw detection device comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a detection support, the top of the detection support is provided with a clamping seat, the lower surface of the clamping seat is fixedly connected with a detector, and the lower surface of the detector is fixedly connected with an upper surface of the detection support. The detector is used for detecting flaws on tempered glass, the upper surface of the bottom plate is fixedly connected with an air floating guide rail, the surface of the air floating guide rail is slidably connected with a moving seat, the upper surface of the moving seat is fixedly connected with a placing plate, and the placing plate is used for placing the tempered glass. The detector can detect flaws on tempered glass, when the detector needs to be replaced or inspected, the pull plate drives the insertion rod to be pulled out of the clamping seat, and after the clamping seat loses the limitation of the insertion rod, the detector can be quickly detached from the detection support, and after the insertion rod is inserted into the clamping seat, the clamping seat is locked between the detection support and the limiting plate, so that the detector is quickly fixed.

The application provides an electric energy metering box, and relates to the field of electric energy metering boxes.The electric energy metering box comprises a shell, a first wire bundling device, a second wire bundling device, an illuminating device and four moving devices, the shell comprises a first shell, a splicing frame and a second shell, the first wire bundling device and the second wire bundling device are arranged inside the first shell and the second shell respectively, the second wire bundling device comprises a cylinder fixedly arranged inside the first shell and a bearing seat fixedly arranged on an inner wall, a rotating column is fixedly arranged inside the bearing seat, the rotating column extends into the cylinder, and a plurality of partition plates are fixedly arranged on the outer wall of the rotating column.In the application, the first shell and the second shell are arranged in a split mode, a new splicing frame can be added between the first shell and the second shell, a separate electric energy metering box does not need to be added for installing the electronic components exceeding the capacity, and the problem that the newly added electric energy metering box cannot be fully utilized and the land occupation is increased is avoided.

The utility model discloses an alloy buckle type screw-free UFO mining lamp, and relates to the technical field of mining lamps, the alloy buckle type screw-free UFO mining lamp comprises a shell and a lighting mounting mechanism, and the lighting mounting mechanism is arranged on the inner side of the shell; through the arrangement of the illumination mounting mechanism, the lens disc and the shell are fixedly clamped through a fixing buckle, the mounting convenience of the lens disc is improved, meanwhile, a pressing buckle spring is deformed during buckling, and when the stroke reaches the maximum deformation stress point, the pressing buckle spring can provide an inward recovery force, so that the lens disc is prevented from being damaged. The light emitted by the lamp panel is subjected to angle refraction through the optical light guide groove, the irradiation angle of the lamp panel is changed, and when the angle of the UFO mining lamp needs to be changed, only the fixing buckle needs to be opened to rotate the angle of the lens disc, and then the UFO mining lamp can be installed through the fixing buckle and the lens disc. And different angles of the UFO mining lamp can be adjusted by fixing the lamp holder, so that the use convenience of the UFO mining lamp is improved.

The simple detection lamp comprises a mounting plate, a first supporting plate, a second supporting plate, an adjusting mechanism, a locking mechanism and a detection lamp mechanism, mounting holes are formed in the four corners of the mounting plate, the first supporting plate is fixedly connected to the ends, away from each other, of the first connecting plate, and the second supporting plate is fixedly connected to the ends, away from each other, of the second connecting plate. The adjusting mechanism is arranged on the front side of the mounting plate, the locking mechanism is arranged at the front end of the fixing rod, and the detection lamp mechanism is arranged on the front side of the locking mechanism. Compared with the prior art, the lighting device has the advantages that the adjusting mechanism is arranged, the first motor is started to drive the fixing rod to rotate through the first arc-shaped frame so as to adjust the lighting angle up and down, the second motor is started to drive the fixing rod to rotate through the second arc-shaped frame so as to adjust the lighting angle left and right, and the adjusting angle of the device is increased; and the illumination range of the detection lamp is expanded.

To provide an evaluation support device, an evaluation support method, and an evaluation support program for supporting the evaluation of line-of-sight conditions in a building.SOLUTION: A support device 20 includes a control unit 21 that supports the design of a building arranged in a three-dimensional space. The control unit 21 acquires a building model in which element models are arranged in an interior space, and calculates statistical values of line-of-sight distances to the element models for each line-of-sight direction at each viewpoint position set in an evaluation target area of the interior space. The control unit 21 calculates a line-of-sight index in accordance with the distribution of the statistical values of the line-of-sight distances in the evaluation target area.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of fish blocking bubble curtain devices, and particularly relates to a fish blocking bubble curtain generating device which comprises a bubble curtain device, the bubble curtain device comprises a fish blocking display curtain and a first top plate, a waterproof function box is fixedly installed at the bottom of the fish blocking display curtain, and a plurality of transparent partition plates are fixedly installed in the fish blocking display curtain; a component groove is formed in the inner top of the waterproof function box, an oxygen pipe I and a waterproof strip are mounted in the component groove, a plurality of stroboscope lamps are fixedly mounted on the upper side of the waterproof strip, and a plurality of groups of rising bubbles are formed in the fish blocking display screen through oxygen; fish and other organisms observe rising bubbles in the fish blocking display screen through vision, the purpose of blocking the fish from entering the water intake is achieved, meanwhile, the stroboscope lamp is powered on to act and emit light flashing according to frequency, the fish is driven through changes of light intensity or light color within a short time, and the fish is prevented from entering the water intake position.

The utility model belongs to the technical field of house building construction, and particularly relates to a portable house building construction lighting device which comprises a movable construction lighting vehicle body. An illuminating lamp is arranged on the side wall of the movable construction illuminating vehicle body; the side wall of the movable construction lighting vehicle body is rotationally connected with a stand column. The end of the stand column is fixedly connected with a first telescopic rod. When the illuminating lamp needs to illuminate, the stand column is lifted, the fixing block and the mounting block coincide, the stand column can be automatically reset and abut against the side wall of the mounting block through elasticity of an elastic piece, and the stand column is fixed; the illuminating lamp is placed in the outer shell while stretching out and drawing back, the effect that the illuminating lamp is convenient to collect after being used can be achieved, the portability of the illuminating lamp after being used is improved, meanwhile, the effect of adjusting the illuminating height of the illuminating lamp can be achieved through the first telescopic rod, and the practicability of the illuminating lamp is improved.

The invention discloses an illuminating lamp detection system, a detection method and a rolling workshop illuminating device. The illuminating lamp detection system comprises a control unit, an electromagnetic door, an illuminating lamp and a warning unit, the electromagnetic door comprises an electromagnetic door lock; the warning unit comprises a first color warning lamp, a second color warning lamp and a third color warning lamp; the control unit judges door lock opening and closing information of the electromagnetic door lock; the control unit judges the lighting information of the lighting lamp; the control unit controls the warning lamp to emit light according to the door lock opening and closing information and the lighting information; when the door lock switch information obtained by the control unit is that the electromagnetic door is opened, the door lock switch information obtained by the control unit is that the electromagnetic door is closed and the lighting information is that the lighting lamp does not emit light, and the door lock switch information obtained by the control unit is that the electromagnetic door is closed and the lighting information is that the lighting lamp emits light. The control unit controls the warning lamps of different colors to emit light, and the illumination detection effect of the illumination lamp detection system is better.

The utility model relates to the field of temporary lighting, and discloses a temporary lighting device for municipal engineering, which comprises a plate body, a supporting rod is hinged on the outer wall of the plate body, a rotating shaft is fixedly connected on the inner wall of the supporting rod, the outer wall of the rotating shaft is rotatably connected with the inner wall of the plate body, and a fastening bolt is in threaded connection with the front end of the plate body. The rear end of the fastening bolt makes contact with the outer wall of the rotating shaft, an arc-shaped shell is fixedly connected to the inner wall of the plate body, an arc-shaped lampshade is slidably connected to the inner wall of the arc-shaped shell, a turnover mechanism is arranged on the outer wall of the arc-shaped lampshade and comprises an inner rod, and one end of the inner rod is fixedly connected with the right side of the arc-shaped lampshade. The other end of the inner rod is elastically connected with an outer rod through a spring. According to the utility model, through the arrangement of the turnover mechanism, when the lamp is not used, the lamp is stored in the arc-shaped shell in a turnover manner, so that the fragile surface of the lamp is stored and protected, and the safety of the lamp when the lamp is not used is ensured.

The utility model discloses a multifunctional large-flow drainage emergency vehicle which comprises a chassis assembly, a compartment assembly, an intelligent control assembly, a power supply and distribution assembly, a high-low lift combined drainage assembly and a vehicle-mounted equipment accessory assembly. The high-low lift combined drainage assembly comprises a fixed water pump arranged in the carriage, a movable water pump arranged in the carriage, a drainage hose arranged in the carriage and a hydraulic tail plate arranged at the tail of the carriage, the fixed water pump is suitable for high-lift large-flow drainage operation, and the movable water pump is suitable for low-lift large-flow drainage operation in narrow and small areas; the power supply and distribution assembly comprises a generator, and the vehicle-mounted equipment accessory assembly comprises a lifting illuminating lamp. By means of the structure, high-flow drainage, power generation, illumination and remote water supply with high and low lifts are integrated, the system can be suitable for waterlogging three-dimensional drainage, power supply, illumination, remote water supply and the like of cities such as communities, basements and tunnels, and the applicability is high.

The utility model belongs to the technical field of tunnel construction lighting supports, and relates to a movable support for tunnel construction lighting, which comprises an X-shaped base, the bottom of the X-shaped base is movably connected with an adjusting assembly, the adjusting assembly is connected with universal wheels, and the X-shaped base is provided with a pushing handle, a lifting motor and a multi-stage lifting device matched with the lifting motor. The top of the multi-stage lifting device is fixedly connected with an illuminating lamp holder, the illuminating lamp holder is provided with an angle adjusting assembly, and the angle adjusting assembly is movably connected with two sets of illuminating plates. The X-shaped base is simple in structure and integrally stable, the contact area with the ground is increased through the X-shaped base, the working stability is improved, when the illuminating lamp needs to be lifted to a high position, the position can be adjusted by adjusting the adjusting wheel seat at the bottom of the X-shaped base, and therefore the stability of the X-shaped base is improved, and the tipping risk caused by rising of the gravity center is avoided.

The utility model discloses a ring-shaped light source with a variable aperture, which comprises a ring-shaped switching base, a first detection opening, a second detection opening and a light source, an annular light source is arranged in the middle of the adapter base, the annular light source comprises a light source base and an upper cover plate which are buckled with each other, a second detection opening and a third detection opening are formed in the light source base and the upper cover plate respectively, and an annular circuit board is arranged between the light source base and the upper cover plate; a plurality of LED lamp beads are uniformly arranged on the annular circuit board; an adjustable diaphragm is arranged above the second detection opening, aperture adjustment of the second detection opening is achieved, and the axis of the first detection opening, the axis of the second detection opening, the axis of the third detection opening and the axis of the adjustable diaphragm are located on the same axis. The aperture of the annular light source can be changed through the adjustable diaphragm so as to meet the detection requirements of different product sizes, the adjustment is convenient, the cost is saved, and the detection efficiency is improved.

An area light is provided including a housing defining a central axis having a first end, a second end opposite the first end, and a side portion; a cover mounted on the first end of the housing; a light module disposed on the first end of the housing, the light module comprising a heat sink and at least one light-emitting diode (LED) to emit light through the cover and in a direction that extends 360 degrees around the center axis; and a battery receptacle disposed on the side portion of the housing to receive a removable battery pack and supply electric power form the removable battery pack to the at least one LED. At least one hook is provided on or adjacent the first end of the housing.

The utility model relates to the technical field of lamp adjustment, and discloses a vehicle washing lighting lamp adjusting device which comprises an installation box, two supporting blocks are fixedly connected in the installation box, a transmission mechanism is connected between the two supporting blocks, the output end of the transmission mechanism is connected with two moving assemblies, and a lifting assembly is connected between the two moving assemblies. The lower end of the lifting assembly is connected with two counterweight assemblies, the lower ends of the two counterweight assemblies are both connected with lighting mechanisms, the exteriors of the two lighting mechanisms are both connected with protection assemblies, one ends of the two protection assemblies are both connected with limiting assemblies, and the other ends of the two limiting assemblies are connected with the two counterweight assemblies correspondingly. According to the lighting lamp adjusting device for car washing, the transmission mechanism, the moving assembly and the lifting assembly are arranged in the mounting box, and the lifting assembly controls the lighting mechanism to ascend and descend, so that the height of the lighting mechanism can be changed according to car washing requirements, and multi-angle and multi-height lighting is facilitated.

The application relates to the technical field of explosion-proof lighting devices, in particular to an industrial self-adaptive explosion-proof floodlight, which comprises a shell, a lamp tube and a lampshade, the shell is fixedly installed on a lamp holder, the lamp tube is fixedly installed in the shell, and the lampshade is fixedly installed on the shell; an adjusting unit is slidably installed in the shell, a dust removal mechanism is fixedly installed on the left side of the lampshade, and a heat dissipation mechanism is fixedly installed in the shell; the adjusting mechanism is controlled to move through temperature change in the lampshade; the heat dissipation mechanism can better dissipate heat in the lampshade, the floodlight with light decay effect caused by excessively high temperature can be light-supplemented, workers can always work under stable illumination, and the normal work efficiency is ensured.

The present invention relates to a construction site light (100) for illuminating work areas, wherein the construction site light (100) comprises: a battery-operated light (102); a battery holder (108) for detachably attaching a battery (110); a vacuum element (116) for attaching the construction site light (100) to a substantially smooth surface by means of negative pressure when the vacuum element (116) is pressed against the surface.

A task light for illuminating a work surface of a work station, the task light including a lighting element configured to emit light output in a direction toward the work surface, a redirection member maneuverable between a stowed position and a use position, where, when the redirection member is in the use position a portion of the light output is directed toward a face of an occupant of the work station, and where, when the redirection member is in the stowed position, the portion of light is not directed toward the face of said occupant.

The utility model discloses a lighting device for internal maintenance of mining machinery, which comprises a counterweight base, the top of the counterweight base is fixedly connected with a support column, the surface of the support column is provided with a lifting disc, the front side of the lifting disc is provided with a rotating disc, the inner cavity of the rotating disc is in sliding connection with an operating rod, and the operating rod is provided with a handle. A transparent lampshade is fixedly connected to the left end of the operating rod, an LED lamp is fixedly installed in an inner cavity of the transparent lampshade, and a locking assembly is arranged between the lifting disc and the rotating disc. The lifting disc, the rotating disc and the operating rod are supported and fixed through matched use of the balance weight base and the supporting column, a designated position is deeply illuminated through matched use of the transparent lampshade and the LED lamp, meanwhile, the illumination angle can be adjusted through arrangement of the locking assembly, and the illumination effect is improved. Therefore, the purposes of adjustable illumination height and angle and deep illumination close to the maintenance position can be achieved.

The utility model relates to the technical field of false tooth processing, and discloses a multi-angle lighting device for false tooth processing, the multi-angle lighting device comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a stand column, and an electric telescopic rod is arranged in the stand column. According to the multi-angle lighting device for false tooth processing, by arranging an electric telescopic rod, the height of a lamp can be automatically adjusted, a gear ring is driven by a first gear to rotate, the angle of the lamp can be automatically adjusted, a rack is driven by a second gear to move, and the position of the lamp can be automatically adjusted; the manual adjustment of the lighting device is avoided, the manpower is saved, the working efficiency is improved, and the rocking rods corresponding to the electric telescopic rod, the first motor and the second motor are arranged on the bottom plate, so that a user can conveniently process false teeth and can adjust and control the lighting device by controlling the rocking rods through the feet; the problems that an existing denture processing lighting device is strenuous to adjust, and adjustment operation cannot be carried out while operation is carried out are solved.

The utility model relates to the technical field of lighting devices, and discloses a turnover type lighting device which comprises a cleaning box, a turnover lighting device body rotating around the length direction of the cleaning box is arranged on the cleaning box, the turnover lighting device body comprises a U-shaped rotating frame, and the rotating frame comprises a transverse rod and connecting rods located at the two ends of the transverse rod. Light bars are arranged on the inner side faces, facing the connecting rods, of the transverse rods, and the free ends of the connecting rods are rotationally connected with the buckling corners of the outer side faces of the cleaning box end plates; the turnover lighting device is arranged outside the cleaning box, on one hand, damage to the light bar caused by water scouring in the cleaning process can be prevented, the situation that personal safety and equipment safety are threatened by negative effects such as short circuit is avoided, corrosion of chemical cleaning agents can be eradicated, and the service life is prolonged; and on the other hand, the external structure is convenient to maintain and does not conflict with the internal cleaning process, that is, integral maintenance of the lighting device or replacement of parts can be achieved in the cleaning process.

The invention relates to an automobile station lamp convenient to assemble and an assembling method.The automobile station lamp convenient to assemble comprises a connector body and a lamp tube, the connector body comprises a bottom cover, a top cover and a conductive assembly, a bottom cover cavity is formed in the side, close to the top cover, of the bottom cover, a first lamp tube fixing clamping protrusion is arranged on the side, close to the bottom cover, of the top cover, and a second lamp tube fixing clamping protrusion is arranged at the end of the lamp tube; during use, the conductive assembly is firstly installed in the bottom cover cavity, then the lamp tubes are installed in the corresponding bottom cover cavities to be connected with the conductive assembly, then the top cover is installed on the bottom cover, at the moment, the first lamp tube fixing clamping protrusions stretch into the bottom cover cavities to abut against the second lamp tube fixing clamping protrusions at the ends of the lamp tubes up and down, and then the lamp tubes can be pressed and fixed to the bottom cover. All the lamp tubes can be fixed only by fixedly connecting the top cover and the bottom cover, assembling is convenient and fast, meanwhile, by means of the design, the area, covered on the lamp tubes, of the top cover can be smaller, even the top cover does not need to cover the lamp tubes, blocking of the top cover to light of the lamp tubes is reduced, and the whole station lamp is small in dark space, even free of dark space and more attractive.

The invention provides a portable cordless lamp fixed through magnetic attraction and adjustable in angle, which comprises a safety helmet, a cordless miner lamp, a mounting table and a connecting part, and is characterized in that the mounting table is arranged on one side of the face of a wearer and is fixed on the safety helmet through a bolt; the connecting part is arranged on one side, far away from the safety helmet, of the mounting table and is used for mounting a cordless miner lamp; the connecting part comprises a limiting body, a fixing cylinder and a guiding and positioning mechanism; the side, away from a lighting part, of the cordless miner lamp is fixedly connected with a mounting plate, the side, away from the safety helmet, of the mounting table is fixedly connected with the limiting body, and the side, away from the mounting table, of the limiting body is slidably connected with the fixing cylinder so that angle adjustment of the cordless miner lamp can be achieved. The safety helmet and the cordless miner lamp are magnetically attracted and fixed, after the safety helmet and the cordless miner lamp are installed, the cordless miner lamp can be prevented from shaking, and meanwhile the angle of the cordless miner lamp can be adjusted.