45results about How to "Affect security" patented technology

This utility model discloses an energy storage device and a mobile energy storage vehicle, belonging to the field of new energy technology. The energy storage device includes a cabin, in which a battery compartment is disposed; a frame, which is fixedly connected to the inner wall of the battery compartment, the frame including a first fixing rod and a second fixing rod, both extending along a first direction and spaced apart along a second direction, the first direction being the width direction of the cabin and the second direction being the length direction of the cabin; and a battery pack, which is disposed between the first fixing rod and the second fixing rod and detachably connected to the first fixing rod and the second fixing rod.

The application discloses a kind of vehicle-mounted projection systems, it is related to vehicle technical field.The system includes: first display component, is set to the front of driver;Second display component, is set to the other position except the setting position of the first display component in the cabin;Projection component;Detection component, for detecting vehicle state;Control module, for responding to the first vehicle state that the vehicle state is, control the projection component and project the content to be projected on the first display component, responding to the second vehicle state that the vehicle state is, control the projection component and project the content to be projected on the second display component.This embodiment can avoid affecting the driver's line of sight when using vehicle-mounted projection system, distract the driver's attention, improve the viewing experience of people in the car.

The application discloses an electric vehicle charging protection device, which comprises a main body, a shielding part and a movable part, wherein the shielding part and the movable part are fixed on the main body; a controller, a button and a connecting port are arranged on the main body, the controller is connected with an external power supply and an electric device through the connecting port; a sleeve is arranged at the lower end of the shielding part, a connecting rod is arranged at the upper end of the main body, the shielding part is inserted into the sleeve through the connecting rod and is fixed at the upper end of the main body, so as to cover the button and the connecting port; the movable part comprises a support, a rotating block and a motor, the motor is fixed in the shielding part through the support, one end of the rotating block is connected with a driving end of the motor, the motor drives the rotating block to rotate and generates centrifugal force; the button and the motor are electrically connected with the controller. Through the arrangement of the shielding part and the movable part, the movable part drives the shielding part to move, the rotating block rotates and generates centrifugal force to make the accumulated snow above the shielding part fall off, the situation that the shielding part is deformed due to too much accumulated snow is avoided, and the safety and stability of the electric vehicle charging protection device are improved.

This invention discloses a low-level protection device for a turbine lubricating oil tank, comprising a vent pipe, an oil suction pipe, and an oil outlet pipe. The vent pipe and the oil suction pipe are connected by an intermediate pipe. The upper opening of the vent pipe is higher than the maximum shutdown level, and the lower opening of the oil suction pipe is lower than the low-low level. The oil outlet pipe connects to the intermediate pipe and the oil suction pipe at the junction via a horizontal pipe with a perforated plate, forming a low-suction oil path. The oil outlet pipe extends horizontally out of the tank side plate. A horizontal pipe is connected at the junction of the vent pipe and the intermediate pipe, and the other end of the horizontal pipe connects to the oil outlet pipe via a downcomer, forming a high-suction oil path. The horizontal pipe is parallel to the horizontal pipe with a perforated plate. The highest point of the inner wall of the horizontal pipe is flush with the low level. The lowest point of the perforation in the horizontal pipe with a perforated plate is flush with the low-low level. This invention has a simple structure and effectively avoids rapid leakage of lubricating oil from the oil suction interface of the lubricating oil tank side plate, thus protecting the lubricating oil tank from low levels.

This utility model relates to the field of mobile energy storage vehicle technology, specifically a mobile energy storage vehicle with temperature control function. It includes an adapter box, a main control box, a power module, an EV charging gun, a mobile frame, an energy storage battery, and a temperature control component. The adapter box, main control box, power module, EV charging gun, and energy storage battery are all mounted on the top of the mobile frame, and are electrically connected to the energy storage battery. This utility model achieves mobile charging equipment, flexibly meeting the charging needs of scenarios such as old residential areas, highways, and temporary operations, solving the problem of fixed charging pile layout limitations. Its temperature control component monitors the energy storage battery temperature in real time through a thermal management driver, driving the coolant to circulate between the battery cooling plate, heat exchanger, and coolant tank to achieve dynamic heating or cooling, avoiding abnormal temperature affecting battery charging and discharging efficiency and safety. Compared with traditional cooling methods, it is more efficient and uniform.

The utility model discloses an adjusting device for sliding contact line connection, which belongs to the technical field of sliding contact lines and comprises a copper head sliding contact line, a steel base is slidably connected in the copper head sliding contact line, adjusting plates are in threaded connection with the middles of the two sides of the steel base through bolts, stress plates are fixedly connected with the bottom ends of the two sides of the steel base, and the stress plates are in threaded connection with the steel base through bolts. A mounting groove is formed in the middle of one side of the stress plate, and a heat dissipation assembly is fixedly connected to the position, located on the edge of the mounting groove, of one side of the stress plate. Through the arrangement of the steel base, the adjusting plate and the bolt, a gap is reserved between the adjusting plate and the steel base so as to adapt to the deformation of the copper head sliding contact wire, so that the copper head sliding contact wire always has good contact, and the phenomena that resistance is increased, the power transmission efficiency is reduced, sparks and even safety accidents are caused, and the production stability and safety are influenced are avoided; the dustproof net can prevent dust from affecting normal operation of the induced draft fan, and the induced draft fan can accelerate heat dissipation of the surface of the copper head sliding contact line.

This invention discloses a steel-wood composite load-bearing structure with adaptive connection nodes, belonging to the field of building engineering. It includes two vertically arranged load-bearing components spaced apart, connected by a connecting mechanism. The two load-bearing components are connected together via this mechanism, and the distance between them is adjustable. Each load-bearing component has two vertically spaced grooves on opposite sides. Each groove has a slot on both sides, and a slider is installed within the groove. A protrusion is fixedly installed on both sides of the slider, and the protrusion slides within the slot. The connecting mechanism includes two cross-connecting rods. By creating grooves on opposite sides of the load-bearing components, the slider slides within the grooves, and the linkage of the cross-connecting rods allows for flexible adjustment of the distance between the two load-bearing components. This allows the steel-wood composite load-bearing structure to adapt well to different scenario requirements, greatly improving the structure's versatility and adaptability.

The utility model provides a kind of hanging basket for bridge construction, including hanging basket subassembly and the hanging basket body of connecting hanging basket subassembly, four side directions protective net are connected on hanging basket body, each protective net is equipped with rectangular frame, three rectangular frames are fixedly arranged on hanging basket body, another rectangular frame is movably installed in hanging basket body by metal hinge, and the top end of each rectangular frame is equipped with heightening protection subassembly.The utility model has the beneficial effects as follows: by inserting heightening groove with protection plate two, personnel can manually pull protection plate two, so that the height of protection plate two and protection plate one is added, the protection height is further improved, the construction safety is further optimized, and the threaded hole one and threaded hole two are provided, and the screw is additionally configured to be fixed, i.e. protection plate two and protection plate one can be connected and fixed, so that the hanging basket designed by the utility model is simple, the protection height of four square sides can be adjusted, and the construction safety of hanging basket is ensured.

The utility model relates to the technical field of rail transit, in particular to a steel rail fastener, which comprises a fastener mechanism, a steel rail fastener and a fastener, the limiting mechanism slides on the bolt and can limit and buffer the fastener; and the compression-resistant mechanism slides on the bolt, is positioned above the limiting mechanism and can be used for buckling and pressing the steel rail. According to the utility model, the limiting block I and the limiting block II are matched with each other to limit the limiting seat, so that the limiting block III is accurately attached to the bottom of the steel rail, the displacement of the steel rail in the horizontal direction is effectively prevented, and a stable supporting foundation is provided for the steel rail; part of impact force generated when a train runs can be buffered, friction and abrasion between the sleeper and the limiting base are reduced, the service life of the sleeper and the service life of the limiting base are prolonged, and meanwhile the stability of the whole fastener system can be improved.

This utility model discloses a high-current connector, which includes a socket and a plug. The plug is provided with conductive terminals, and the socket is provided with conductive posts that accommodate and abut against the conductive terminals. A heat-conducting plate is provided on the outer wall of the socket and plug. Several equally spaced heat dissipation fins are evenly distributed along the circumference of the outer wall of the heat-conducting plate, and several raised heat-conducting parts are provided on the inner wall of the heat-conducting plate. A terminal block is connected to the conductive posts and conductive terminals. The heat generated by the connection between the conductive terminals and conductive posts is efficiently conducted to the heat-conducting plate through thermal grease, and then exchanged with the outside cold air by the heat dissipation fins, effectively controlling the operating temperature. The design of the heat dissipation parts and the heat-conducting grooves increases the contact area of ​​the thermal grease, improving heat conduction efficiency. This structure ensures that the temperature rise is maintained within a safe threshold even in a sealed state, preventing high temperatures from affecting the stability and safety of the equipment.

The utility model discloses an underground mining anti-falling safety protection net, which comprises a fixed half ring, a limiting half ring, a locking assembly and an elastic assembly. A plurality of fixed half rings are symmetrically arranged in the inner cavity of a mine shaft, and a fixing assembly is arranged on the outer side of the fixed half ring. A plurality of limiting half rings are symmetrically arranged on the inner side of the fixed half ring. The locking assembly is arranged at the splicing position of the fixed half ring and the splicing position of the limiting half ring. The locking assembly comprises an insertion connecting part arranged at the top of the splicing position of the fixed half ring and the limiting half ring. A tensioning part is connected to the insertion connecting part. The elastic assembly is arranged on the opposite side of the fixed half ring and the limiting half ring. The utility model fixes the spliced fixed half ring and the spliced limiting half ring by using the locking assembly. The elastic assembly arranged on the opposite side of the fixed half ring and the limiting half ring is used to prevent objects from falling. The design can flexibly intercept the falling objects during the transportation of the mine shaft basket, avoid the direct falling of the objects, and affect the safety of the staff at the bottom of the mine shaft.

The utility model relates to the technical field of power supply protection plates, and discloses a lithium battery power supply protection plate with a charging protection function, which comprises a battery box, a lithium battery body is fixedly arranged in the middle of the inner bottom surface of the battery box through bolts, and a power supply protection plate body is fixedly arranged at the upper end of the lithium battery body. Stabilizing mechanisms are fixedly arranged on the two sides of the battery box and the middle positions of the upper sides of the front end and the rear end of the battery box through bolts, a voltage measuring mechanism is fixedly arranged at the rear end of one side of the battery box, the multiple stabilizing mechanisms comprise mounting plates, and two spring dampers are fixedly arranged on the inner bottom surfaces of the multiple mounting plates; a pressing plate is fixedly arranged at the upper ends of the multiple spring dampers. According to the utility model, the stabilizing mechanism adopts the design that the spring damper is matched with the pressing plate, so that the power supply protection plate body can be limited, the stability of the power supply protection plate body can be improved during the operation of the device, the damage caused by factors such as vibration is reduced, and the maintenance frequency is reduced.

The utility model discloses a temperature control medicine box relates to medical instrument technical field, wherein, temperature control medicine box includes casing, refrigerating plant and control module, casing forms at least one first storage box and at least one second storage box, and the opening of each first storage box and each second storage box all covers and is equipped with the cover that can open and close, refrigerating plant, set up in casing, and use to refrigerate each first storage box, the utility model provides technical scheme in, when the temperature in first storage box exceeds the preset temperature threshold value, control module can adjust refrigerating plant to adjust its refrigeration temperature. The temperature control medicine box has realized the temperature zoning management to the medicine, has placed the medicine of different storage conditions in different areas and realized the storage, avoided the medicine because of the improper storage environment and reduced or lost the medicinal property, influenced the treatment effect and patient safety.

This utility model relates to the field of support pole technology and discloses a lightweight support pole for a railway station isolation tent, including a base corner seat, a vertical support pole, and a horizontal support pole. A first side groove is provided on one side of the base corner seat. The vertical support pole is inserted into the top of the first side groove from top to bottom. The horizontal support pole is inserted into the bottom of the first side groove. Several first locking frames are fixedly connected to adjacent sides of the vertical support pole, and several second locking frames are fixedly connected to the top of the horizontal support pole. An inclined support pole is provided at the top of the base corner seat. The vertical support pole and the horizontal support pole are connected through the base corner seat. An inclined support pole is fixedly installed inside the first and second locking frames on one side of the vertical and horizontal support poles, making the connection between the vertical and horizontal support poles triangular. This secures the tent's support frame and prevents deformation or breakage of the vertical support pole due to strong winds or accidental collisions, thus ensuring the stability and safety of the isolation tent.

The utility model relates to communication information system technical field especially a kind of server for communication information system, including server main body, the one side of server main body is equipped with blowing heat dissipation mechanism, the lower side of the other side of server main body is evenly opened and is connected with hole, the outside of the wire hole is provided with wire protection assembly, the outside lower side of the wire hole is equipped with surplus line winding mechanism. Advantageous effect lies in: the utility model is closely wrapped in the surface of cable by protective sleeve, improves dustproof and moisture-proof performance, avoids dust and water vapor to enter the inside of wire hole and influences the safety of wiring;After keeping cable wiring, wiring is clear and neat and not scattered, it is convenient for subsequent maintenance gap and replacement cable, avoid that cable is pulled and dragged when, pull off the connecting line between cable and wire hole, keep server main body safe and stable connection use.

The utility model relates to the technical field of sterilization devices, in particular to an efficient oral liquid sterilization device which comprises sterilization equipment, the sterilization equipment comprises a tank body, a plurality of sensor elements are arranged at the top end of the tank body, a sealing door is movably installed on the front face of the tank body, and two brackets are symmetrically installed on the inner wall of the tank body. A bearing frame is movably installed on the surface of the bracket, a pipeline is arranged in the tank body in a surrounding mode, the pipeline comprises an air inlet pipe, and a steam connecting pipe is connected to the left side of the air inlet pipe. The steam inlet pipe is externally connected with the steam generator, so that high-temperature steam passes through the steam connecting pipe, then passes through the steam spraying pipe of the flow dividing pipe and is sprayed out from the nozzle end of the steam spraying pipe to sterilize an oral liquid bottle, and the oral liquid bottle can be effectively heated through the design of the steam spraying pipe arranged in a surrounding mode. And the oral liquid bottle at the central part can be directly impacted by high-temperature steam, so that the central part can be quickly heated, and the heating uniformity of the oral liquid bottle is improved to a certain extent.

The utility model discloses a green plant planting fixing device, and relates to the technical field of green planting, the green plant planting fixing device comprises a base, a tray, a planting plate and an inner tooth support block, the outer side of the base is provided with a water accumulation groove, vertical force arms are annularly distributed on the outer side of the base, and the outer sides of the vertical force arms are provided with adjusting mechanisms; an adjusting mechanism is arranged on the base, the adjusting mechanism adjusts the distance between the multiple sets of trays according to the types and heights of plants, positioning treatment of different types of plants is met, a positioning mechanism is arranged over the base, and the positioning mechanism adjusts the distance between the planting trays according to the height of climbing plants or potted plants, so that the growth height of the plants is conveniently controlled. In the using process, the trays are positioned on the outer sides of the vertical force arms, then according to the number of green plants and the height of the green plants, spacing adjustment and control are conducted on the multiple sets of trays, potted plants can be conveniently positioned, then plant growth gaps are controlled, and the situation that the plants are easily squeezed due to the too small spacing is avoided.

The utility model belongs to cell preparation technical field, concretely relates to a kind of tissue disrupter for cell preparation, including cell disrupter body, amplitude rod is installed in cell disrupter body inner wall, cell disrupter body inner wall installs lifting platform, lifting platform transverse end surface abuts beaker, silica gel pad that beaker surface abuts limit ring inner wall is bonded, limit ring other side surface is connected with moving rod, moving rod surface is slidably connected in the sliding slot of the top of mounting box, mounting box inner wall surface is connected with limit rod, limit rod other side surface is connected with fixed plate, the utility model, by the mutual cooperation between limit ring, moving rod, mounting box, sliding slot, limit rod, fixed plate, dovetail block, spring and side block, the beaker placed on lifting platform is clamped and limited, to avoid its in the process of being broken by ultrasonic vibration driven displacement, cause the influence cell breakage processing uniformity and security.

The application discloses a safe physical human-computer interaction control method, a terminal and a medium. The method comprises the following steps: generating a desired trajectory of a rendered virtual interaction dynamic according to an interaction control equation of a robot and a human and an interaction force; shaping the generated desired trajectory according to a safety limit to obtain a safety reference trajectory; and issuing the safety reference trajectory to a robot controller for execution. The application solves the problem that traditional interaction control (admittance / impedance) cannot generally meet speed and position safety constraints. Speed limiting avoids the robot running too fast to affect interaction safety and comfort, and ensuring that the robot does not exceed the position constraint can avoid the collision between the robot and the environment, and also ensure that the human-computer interaction process does not exceed the set safety area, greatly improving the safety in physical human-computer interaction.

The utility model relates to a kind of multifunctional inverter brick, it includes: metal shell (1), the metal shell has top wall (11), side wall and the accommodating cavity (10) defined by the top wall and the side wall;Thin film capacitor module (2), the thin film capacitor module is housed in the accommodating cavity (10);EMC filter (3), the EMC filter is partially housed in the accommodating cavity (10) and is electrically connected to the thin film capacitor module;And power module (4) and drive board (5) fixedly connected to the top wall of the metal shell, wherein the power module (4) is located between the top wall and the drive board.This kind of multifunctional inverter brick compact structure, reduce the overall height of product, improve the performance of power module.

This utility model discloses a feeding device for popcorn production, including a steel frame. The steel frame has a frame structure, and guide rails are fixedly connected to the left and right sides of the front end of the steel frame. A hopper is slidably connected to the front end of the guide rails. A discharge port is opened at the lower rear end of the hopper. Electric telescopic rods are fixedly connected to the left and right sides of the upper rear side of the hopper. The telescopic end of the electric telescopic rod is fixedly connected to a gate through a connecting block. The gate corresponds to the discharge port of the hopper. A fixing plate is fixedly connected to the top of the steel frame. A motor is fixedly connected to the rear side of the upper surface of the fixing plate. A reducer is fixedly connected to the middle of the upper surface of the fixing plate. The output shaft of the motor is fixedly connected to the input shaft of the reducer. When using this equipment, the risks of workers climbing to heights can be avoided. Workers only need to pour the raw materials into the hopper, which can greatly reduce the workload and make popcorn feeding time-saving, labor-saving, convenient and fast.

The utility model discloses a display screen assembly and a mobile phone shell with a screen, the display screen assembly comprises an ink screen and a circuit board, the ink screen comprises a central display area and a peripheral non-display area, the peripheral non-display area is provided with two wiring ports, and the two wiring ports are symmetrically arranged; the circuit board is provided with connecting parts which are at least overlapped with the two wiring ports, the two connecting parts are electrically connected with the two wiring ports respectively, the circuit board is provided with an avoiding part, and the avoiding part avoids the central display area. According to the arrangement, when the display screen assembly is arranged in the middle of the mobile phone shell, the connecting part connected with the wiring terminal can avoid a wireless charging area of a mobile phone, electromagnetic interference between the mobile phone and the connecting part during wireless charging can be avoided, energy loss during charging is avoided, local heating during wireless charging is avoided, and the service life of the mobile phone is prolonged. And the safety of mobile phone equipment is influenced.

The embodiment of the present application provides a kind of end cap assembly, battery cell, battery module and device, end cap assembly is used for battery cell, end cap assembly includes: end cap;Electrode terminal is set to end cap;Insulating piece is used to insulate electrode terminal and end cap, is sleeved on electrode terminal;Wherein, insulating piece and electrode terminal abut, at least one of insulating piece and electrode terminal is provided with stress release slot, stress release slot is configured to absorb the stress generated when electrode terminal and insulating piece abut each other.The embodiment of the present application is provided with stress release slot on insulating piece and / or electrode terminal, the stress generated when electrode terminal and insulating piece abut each other can be absorbed by stress release slot, to reduce the stress received by insulating piece, to avoid the cracking of insulating piece, to affect the safety performance of end cap assembly, so the embodiment of the present application can improve the safety performance of end cap assembly.

The utility model discloses an off-road motorcycle brake disc protection structure with a double protection structure, which comprises a shell protection structure, a brake installation protection structure is fixed above the shell protection structure, the shell protection structure comprises a protection shell, the inner side of the protection shell is provided with an installation groove, and the installation groove is arranged in the protection shell. A through hole facilitating penetrating and fixed connection of the fixing bolt set is formed in the surface of the protective shell in a penetrating mode, meanwhile, a mounting hole connected with the mounting groove in a penetrating mode is formed in the surface of the protective shell in a penetrating mode, a brake disc rotating shaft is rotationally mounted in the mounting hole through a connecting bearing, and a brake disc is fixedly mounted on the surface of the brake disc rotating shaft in a penetrating mode. The off-road motorcycle brake disc protection structure with the double protection structures comprises a brake installation protection structure and a brake disc, the brake disc is installed between protection shells in a rotating mode, rubber blocks are fixedly installed on the surfaces of the protection shells in an adhering mode, the rubber blocks are symmetrically arranged in an adhering mode, and the brake installation protection structure comprises a connecting frame with a through groove. And a connecting bearing is arranged, so that the rotating friction is reduced.

The utility model relates to the technical field of intercooler aluminum strip machining, and discloses an aluminum strip deburring device for intercooler production, which comprises a supporting column, a machining table is fixedly connected to the top of the supporting column, a polishing and pressing mechanism is arranged at the top of the machining table, and a flushing mechanism is arranged on the right side of the top of the machining table. And the grinding and pressing mechanism comprises a grinding assembly and a pressing assembly, the grinding assembly is arranged on the left side of the top of the machining table, the pressing assembly is arranged on the outer side of the grinding assembly, the grinding assembly comprises a supporting frame, the supporting frame is fixedly connected to the top of the machining table, and a first air cylinder is fixedly connected to the back end of the supporting frame. The first air cylinder pushes the sliding plate to slide in the limiting groove of the supporting frame, front-back movement of the grinding disc in the horizontal direction can be achieved, and burrs at different positions on the aluminum strip can be aligned conveniently. The second air cylinder controls the fixing frame and the grinding disc to ascend and descend in the vertical direction, the grinding depth can be accurately controlled, and the quality and precision of the aluminum strip are guaranteed.

This utility model discloses a combined structure of sheet piles and I-beams, relating to the field of civil engineering technology. It includes an I-beam body, a sheet pile body, a fixing block, and a protective cover. A sliding rod is fixedly connected to the back of the protective cover, and a locking hole is provided in the middle of the protective cover. A positioning plate is fixedly connected to the middle of the cavity of the locking hole, and telescopic springs are fixedly connected to both sides of the positioning plate. This utility model, by setting up a protective cover, can effectively protect the connection between the I-beam body and the sheet pile body. The sliding rod on the back of the protective cover cooperates with the sliding groove, slider, and sliding rod on the inner side of the I-beam body, allowing for flexible adjustment of the protective cover's position to better adapt to different working scenarios and protection requirements. Simultaneously, the locking structure composed of the positioning plate, telescopic springs, movable plate, and locking plate within the locking hole ensures that the protective cover is stably fixed in the appropriate position, preventing it from sliding or falling off.

The utility model relates to the technical field of epilator, the utility model provides a kind of high-efficiency epilator for raw chicken processing, including epilating cylinder, the inner wall of epilating cylinder is fixedly connected with side wall rubber stick, the inner chamber bottom end of epilating cylinder is rotatably connected with carousel, the top of carousel is fixedly connected with bottom wall rubber stick, the inside of epilating cylinder is equipped with impurity removing component, the impurity removing component includes the hair removal groove of the symmetry opening in the inner chamber bottom end of epilating cylinder, the inner chamber bottom end of epilating cylinder is equipped with drain hole, the bottom of epilating cylinder is fixedly connected with waste pipe, the inside of waste pipe is equipped with hair cavity and water cavity. Through the above technical scheme, it solves the technical problem that vertical epilator is not easy to separate sewage and chicken feather, chicken feather accumulated in the inside of epilator affects the depilation effect of raw chicken, and accumulated sewage is easy to breed bacteria, which affects the safety of raw chicken.

The utility model relates to the technical field of insulated boom trucks, and discloses a rotary working bucket of an insulated boom truck, which solves the problem that the working bucket of the existing insulated boom truck is inconvenient to rotate and adjust, and comprises a rotary working bucket body mounted at the top end of the insulated boom truck, the rotary working bucket body is composed of a supporting base, a rotary bucket and a rotary driving assembly, the bottom end of the rotary bucket is inserted into the supporting base in a penetrating mode and rotationally connected with the supporting base through a plane bearing, the rotary driving assembly is connected between the supporting base and the rotary bucket, and an annular limiting table is fixedly arranged at the bottom end of the side edge of the rotary bucket. A plurality of limiting assemblies matched with the annular limiting table are arranged at the top end of the side edge of the supporting base in a penetrating mode, and the rotary driving assembly is composed of a servo motor, a speed reducer, a driving gear and an inner gear ring. Through the working bucket, independent rotating adjustment can be achieved, and the operation convenience and safety of workers are improved.

The utility model discloses a rainproof junction box, comprising a junction box main body, the junction box main body comprises a base plate, a mounting plate and a box body, the base plate is provided with an electrical element, the box body is provided with a threading pipe, the threading pipe is provided with a threading plate and an external thread sleeve, the threading pipe is provided with a fixing plate and an internal thread sleeve, the fixing plate is provided with a threading hole, and the fixing plate is provided with a wiring hole. The box body is provided with a heat dissipation hole, the outer side of the heat dissipation hole is provided with a baffle plate and a dustproof net, the inner side of the heat dissipation hole is provided with a water collection box and a drainage groove, and the internal threaded sleeve and the external threaded sleeve are matched, so that the fixing plate can be conveniently installed on a threading pipe; the waterproof junction box has the advantages that the waterproof effect on a cable at the position where the cable penetrates through the threading pipe is facilitated, the heat generated by working of electrical elements in the junction box main body is conveniently dissipated by arranging the baffle plate and the dustproof net, and the rainwater is conveniently discharged in time by arranging the junction box and the drainage tank, so that the rainwater is prevented from splashing into the box body to influence the working safety of the electrical elements.

The utility model relates to the field of building construction technology discloses embedded steel column positioning node, including support structure and positioning structure, support structure sets up on concrete cushion, and support structure has support surface, positioning structure includes a plurality of positioning piece, all positioning piece interval sets up on support surface, and all positioning piece is surrounded into positioning cavity in common, and the end of steel column is adapted to accommodate in positioning cavity, and when the end of steel column is installed in positioning cavity, the cavity inner wall surface of positioning cavity is adapted to abut with the lateral wall surface of steel column, to limit the end of steel column, and position steel column, the utility model through positioning cavity accommodate the end of steel column, simultaneously, through the support surface that sets up with the surface of concrete cushion parallel to assist the end plane of steel column and the surface of concrete cushion parallel, like this, can improve the installation positioning accuracy and installation stability of steel column, and can avoid the installation error accumulation of subsequent steel column and the influence of the safety of overall structure due to the inaccuracy of positioning and the poor flatness.