47results about How to "Easy to install and debug" patented technology

The utility model relates to an automobile pin insertion detection system. Comprising a lifting appliance mechanism, a control module, a distance measuring module and a lifting module, the control module is in communication connection with the lifting appliance mechanism, the distance measuring module and the lifting module, and the distance measuring module is installed at the top end of the lifting module and faces the bottom of an automobile; an automobile is loaded and transferred to the lifting appliance mechanism and is positioned through a positioning pin; the lifting module can drive the distance measuring module to ascend and descend, the distance measuring module is used for detecting the distance between the automobile and the distance measuring module and generating a detection signal, the control module can control the lifting module to ascend and descend and control the sling mechanism to operate, and the control module can compare the detection signal with a preset distance range to judge whether the automobile is clamped into the mounting pin or not. The device can accurately detect whether the positioning pin is inserted into the positioning hole of the automobile or not, so that various risks such as automobile slipping and the like are completely eradicated.

The invention discloses a P-band high-power filtering and amplitude limiting assembly, which belongs to the technical field of microwaves and comprises a filter, an amplitude limiter, a polarizer, a coupler and a metal cavity. The amplitude limiter is installed on the bottom layer of the metal cavity, the filter and the polarizer are installed on the top layer of the metal cavity, the coupler is installed on the side wall of the metal cavity, the filter, the low-pass filter and the polarizer are connected in a wall-penetrating welding mode through a 50-ohm metal connecting rod, and the polarizer is fixed to the metal cavity through a medium supporting column. The whole assembly belongs to an upper-lower layer structure. According to the assembly, the transmission path between devices is shortened, the emission loss of the assembly is reduced, the size of the filtering and amplitude limiting assembly is greatly reduced under the condition that composite multiple functions are met, and the purposes of high power and high integration are achieved.

This utility model discloses a device for diverting and conveying thin sheet materials. The device includes several baffle assemblies disposed above a conveying assembly. The baffle assemblies are arranged side by side, with a material conveying passage formed between adjacent baffle assemblies. Each baffle assembly includes a baffle extending along the conveying direction. The baffle is partially recessed at a predetermined position to form an open portion, or adjacent baffles are spaced apart to form an open portion. This utility model has a reasonable structure, is convenient for manual operation, and is beneficial for cost reduction.

This utility model discloses an annealing device for a wire drawing machine, belonging to the field of metal processing technology. It includes an annealing device body, with mounting plates fixedly connected to both sides of the body. Multiple material guiding components are arranged on the top of the mounting plates, and two pairs of support columns are fixedly connected to the bottom of the body. The device features material guiding components, which guide the metal wire into and out of the annealing device body via guide wheels, preventing deviation and entanglement, ensuring uniform annealing and surface quality of the metal wire. Rotating a knob in the guide components rotates a bidirectional threaded rod, causing a pair of nuts to move towards each other along the threaded rod. The nuts, through a connecting rod, drive pins to move together. When the pins are inserted into the insertion holes at both ends of the placement shaft, the shaft is fixed in the U-shaped groove of the limiting plate, thus enabling quick installation of the guide wheels on the placement shaft. The installation and disassembly of the guide wheels are convenient and efficient, facilitating quick replacement of worn guide wheels.

This invention discloses a traction winding and unloading device, belonging to the field of roll material production technology. The device includes a traction device, a floating fly knife device, a dual-shaft alternating winding device, and an unloading device. The traction device has edge trimming and tension adjustment functions. The floating fly knife device is equipped with a floating roller assembly and an L-shaped flipping guide groove to achieve clamping traction during cutting and automatic knife lifting after cutting. The dual-shaft alternating winding device realizes alternating winding of the two air-expanding shafts at two workstations through a flipping disc and a clamping assembly, and is equipped with a moving pressure roller that adjusts with the roll diameter. The unloading device consists of a moving trolley, a shaft pulling device, and an unloading trolley, which can automatically complete full roll grabbing, shaft pulling, air release unloading, and transfer. This invention realizes full-process automation from traction, edge trimming, fixed-length cutting, continuous winding to automatic unloading, and has the advantages of high production efficiency, good cutting and winding accuracy, stable operation, and wide applicability. It is suitable for the continuous production of roll materials such as film, non-woven fabric, paper, and aluminum foil.

This utility model relates to the field of building access control equipment technology. It proposes an adjustable intelligent building access control device, addressing the problems of existing access control devices having fixed roller door lengths, inability to adapt to different spacing of the access control body, easy loosening of the roller door, and complex operation. The device features symmetrical fixed plates inside the access control body, with an adjusting shaft movably installed between the two plates. The roller door is mounted on the adjusting shaft, with one end connected to the adjusting shaft and the other end connected to a clamping rod. A motor is mounted on the upper fixed plate, with its output connected to a first gear. A second gear meshing with the first gear is located at the top of the rotating shaft. Limiting plates are fixed to the adjusting shaft at both ends of the roller door, with springs fitted between the limiting plates and the fixed plates and onto the adjusting shaft. A roller is movably fitted in the middle of the rotating shaft, with limiting blocks fixed to the rotating shaft on both sides of the roller. The limiting blocks are connected to telescopic rods, with the other end of the telescopic rods connected to a clamping rod. The telescopic rods adjust for different spacings, while the springs ensure the roller door remains taut, making operation convenient and improving the device's versatility and stability.

The utility model discloses a valve position feedback structure and plug valve belongs to plug valve technical field. Include: valve stem, its operating end is set to cylinder structure and forms valve stem cylinder surface, simultaneously valve stem forms valve stem plane along the axial cutting, micro -switch, its setting is in valve stem side part, and micro -switch has trigger button, and trigger button is arranged with valve stem adjacent, wherein, when valve stem is in initial position, valve stem plane is opposite parallel with trigger button and both do not contact, when valve stem rotates, the edge of valve stem plane extrudes trigger button, when valve stem rotates to the maximum opening, valve stem cylinder surface fully oppresses trigger button. Through the cooperation structure of valve position feedback function integration in valve stem and micro -switch, the complex linkage components such as limit switch, connecting rod, corner sensor required by traditional valve are saved, and the number of parts is reduced significantly, and the overall structure compactness and reliability are improved.

The utility model discloses a phosphor bronze capillary tube bore mirror surface imaging equipment, it includes the bearing shell, the side swing joint of bearing shell has the soft shell, be equipped with a plurality of swing holes on bearing shell, the corresponding through swing joint of swing hole has the down pressure rod, the swing joint of through of bearing shell has the camera device, the swing joint of through of bearing shell has a plurality of illumination light, the side fixed connection of bearing shell has the positioning ring, the side fixed connection of soft shell has a plurality of fixed rings, the position graduation is equipped on first support rod, second support rod, the swing joint of corresponding swing hole has the reset spring. Through above -mentioned structure, can steady swing joint in capillary tube, and illumination light provides sufficient illumination, and camera device can clearly capture bore details, effectively promote imaging definition and detection accuracy, can be adapted to different specifications capillary tube, and facilitate accurate positioning.

The present application belongs to the technical field of metal material casting and rolling, and discloses a vertical casting and rolling pouring system, which comprises a front box, a closed channel assembly arranged below the front box, a casting nozzle arranged at the bottom end of the closed channel assembly, a second runner arranged at one side of the front box, a downspout arranged at the end of the second runner away from the front box, a first runner arranged at the top end of the downspout, a first flow control device arranged at the pouring position of the first runner, and a second flow control device arranged at the pouring position of the front box. The serpentine channel composed of the first, second and third stop blocks arranged in the inner cavity of the casting nozzle can realize stable metal liquid supply. The pouring system has simple structure, convenient installation and debugging, and is suitable for mass production. In the vertical direction, the slag and bubbles in the metal liquid can float upwards and prevent entering the product, thereby improving the internal quality of the product.

The utility model provides a novel heat insulation material installation connecting assembly, and relates to the technical field of building material installation accessories. The connecting and fixing assembly is composed of a connecting and fixing plate and a self-tapping screw arranged on the heat insulation plate, a limiting screw rod is arranged below the connecting and fixing plate, a sleeve is arranged above the self-tapping screw, and the self-tapping screw is slidably connected to the limiting screw rod through the sleeve. The connecting fixing plate is matched with the self-tapping screw on the heat insulation plate, related parts can be effectively connected, the limiting screw can limit the position and prevent deviation, the self-tapping screw slides on the limiting screw through the sleeve, installation and debugging are convenient, the position can be flexibly adjusted, it is ensured that all the parts are tightly connected, and the overall reliability and practicability are improved.

The invention discloses a powder extrusion and crushing all-in-one machine which comprises a main motor, a rack, a hot extrusion device, a tabletting device, a cooling device and a crushing device, the hot extrusion device comprises an extrusion screw rod and an extrusion barrel, the main motor controls the extrusion screw rod to rotate, the extrusion screw rod is arranged in the extrusion barrel, and a feeding port is formed in the head end of the extrusion barrel; raw materials mixed by the mixing machine enter the extrusion barrel through the feeding port, and a heating plate is arranged in the extrusion barrel and used for heating and melting the raw materials in the barrel. The tabletting device is arranged at the bottom of a discharge port of the extrusion barrel, the tabletting device is used for tabletting melted raw materials extruded from the extrusion barrel, a cooling device is arranged on the tabletting device and is used for cooling the tabletting raw materials, and the crushing device is arranged at the bottom of the tabletting device and is used for crushing the tabletting raw materials; the powder extruding and crushing all-in-one machine is compact in structural design, the utilization rate of a production site is increased, installation, debugging and transportation are convenient, and the production efficiency is improved.

The present application relates to the technical field of curtain wall construction, and particularly relates to a curtain wall transfer floor vertical keel elevation fine adjustment device and a construction method. The present application comprises a fixing assembly, an adjusting assembly and a receiving assembly, the fixing assembly and the receiving assembly are respectively arranged at two ends of the fixing assembly, the fixing assembly is clamped on a building ring beam, the adjusting assembly and the receiving assembly are arranged on the outer surface of the building, a fine adjustment bolt is arranged on the fixing assembly, the fine adjustment bolt vertically contacts the top of the ring beam and is threadedly connected with the fixing assembly. The fixing assembly is used for fixing on the building structure, conveniently temporarily fixing the vertical keel, the adjusting assembly enables the present application to be applicable to the installation of vertical keels of various specifications, the receiving assembly is used for supporting the keel, conveniently installing the vertical keel, the fine adjustment bolt is used for finely adjusting the vertical installation position of the vertical keel, improving the keel installation precision, effectively reducing the alignment operation time in the basket during keel installation, and reducing the construction difficulty.

The utility model belongs to tobacco technical field, specifically disclose a kind of storage cabinet anti-mixing control device, the device includes shell, and the lower end surface of shell is equipped with the long hole being communicated with inner chamber, and the outer wall of front and back sides is equipped with fixed seat respectively, and shell front side wall right side is equipped with motor. In shell, the inner wall of front and back sides is rotatably connected with two rotating rods by bearing, and one rotating rod front end is fixedly connected with motor output end by coupling, and rotating rod outer wall is connected with gear by interference fit. Two baffle synchronous rotation are driven by motor driving rotating rod and gear, device is installed in the discharge end in stem and filament storage cabinet, can accurately accept the stem and filament falling at cabinet head, prevent its mixing into discharge conveyor belt, fundamentally avoid mixing phenomenon, ensure subsequent cigarette processing stem and filament quality pure, accurate specification, effectively guarantee the stable quality of cigarette product.

The application discloses a bearing rotating speed measuring tachometer and belongs to the field of bearing rotating speed measuring tachometers. The tachometer comprises a mounting vertical plate, a rotation-preventing fixing piece is detachably mounted on the upper surface of the rear surface of the mounting vertical plate through bolts, the rotation-preventing fixing piece is internally fixedly connected with a bearing seat, the outer side of the rear surface of the bearing seat is threadedly provided with a shell, the inside of the shell is provided with a main control board, and the rear surface of the main control board is provided with a Hall sensor; the inner side of the rear surface of the bearing seat is fixedly connected with a bearing, the inner side of the bearing is provided with a bearing connecting shaft, and the rear end of the bearing connecting shaft penetrates through the rear of the bearing seat; the tachometer effectively solves the defects of the prior measuring device, has a reasonable overall structural design, is high in adaptability, convenient to install and debug, does not need to additionally set a counterweight, reduces the risk of rotor imbalance, and improves the measurement reliability under high-speed working conditions.

The utility model relates to a kind of fan frequency conversion energy-saving system, the valve piece opening of most unfavorable branch is measured by at least the wind control unit being set on most unfavorable branch, and according to the valve piece opening of most unfavorable branch adjusts fan operating frequency, so that system meets fan under the most reasonable operating frequency operation at any time, while meeting ventilation demand, maximize reduce fan energy consumption, and system installation and debugging are convenient, reduce the over-high requirement of technical personnel in construction and debugging process, save artificial management cost, improve management efficiency, and effectively reduce the present situation of on-site debugging difficulty.

The application relates to a parallel light total reflection light splitting prism suitable for solar frequency splitting and a use method thereof. The light splitting prism is made of optical glass and comprises an incident surface, an emitting surface, a first working surface and a second working surface. The incident surface is opposite to the emitting surface, the first working surface is opposite and parallel to the second working surface, and the included angle between the incident surface and the second working surface is equal to a critical angle corresponding to a light splitting wavelength. After parallel light beams are perpendicularly incident on the incident surface, the light beams are sequentially subjected to light splitting for several times through the second working surface, the first working surface, the second working surface, the first working surface and so on, light beams with wavelengths greater than the light splitting wavelength are emitted outside the first working surface and the second working surface, and light beams with wavelengths less than or equal to the light splitting wavelength are perpendicularly emitted by the emitting surface. The parallel light total reflection light splitting prism does not rely on film coating to realize light splitting, but only utilizes light to realize total reflection when the light is incident on a light-lean medium from a light-dense medium at a critical angle or smaller than the critical angle, and realizes refraction when the light is incident on the light-lean medium at a critical angle or greater than the critical angle, so that light splitting is realized.

The utility model discloses a shock absorption lubrication valve stem, it includes valve stem body, and the contraction portion is equipped with in valve stem body middle section, and the contraction portion is equipped with the shock absorption lubrication subassembly that is composed of the upper circular platform and lower circular platform of the upper and lower interval arrangement on the sleeve. The through hole of the interference fit with the contraction portion is set up in the center of upper and lower circular platform, and the first spiral oil storage groove filled with the lubricating grease and the second spiral oil storage groove are respectively screwed on the conical side surface. The big bottom surface of upper and lower circular platform is opposite, and the first arc convex and the second arc convex that are staggered distribution are respectively equipped on it. The utility model discloses through spiral oil storage groove realizes self -lubricating, through arc convex and circular platform combination form multiple shock absorption heat preservation air gap, and through the friction reducing convex point reduces the contact area, and the wear resistance, the impact resistance and the sealing member anti -icing effect of valve stem are comprehensively promoted, especially suitable for the low temperature working condition of limited space.

The application discloses a kind of alarm shutdown devices of bucket lifting skin bucket off, it is related to material conveying equipment technical field, including hoist body, the hoist body includes base shell, the upper surface of the base shell is fixedly provided with vertical support shell, the top of the vertical support shell is fixedly provided with top cover shell, drive shaft rod and driven shaft rod are respectively rotationally arranged between the front and rear inner walls of the base shell and top cover shell.The application is provided with alarm monitoring mechanism outside the hoist, adopts inductive proximity switch non-contact detection hopper running track, and the interval and on-off state of real-time determination signal are cooperated with the built-in timer of control unit, can identify abnormality in the first time of hopper off, conveying belt slip, off, when fault occurs, control unit triggers sound-light alarm and driving motor power-off simultaneously, quickly prevent equipment from continuing to operate, avoid hopper off impact shell, conveying belt tear and other accidents, greatly improve equipment operation safety.

The invention discloses a preparation device and method for a powder-coated flexible wire rod, the preparation device comprises the flexible wire rod, a yarn guide wheel, a winding device and a functional material coating assembly, the coating assembly comprises a liquid feeding device, a powder feeding device and a curing unit which are sequentially arranged from bottom to top, and flexible wire rod channels which are coaxially aligned are arranged in the liquid feeding device, the powder feeding device and the curing unit; the preparation method comprises the four steps of guiding conveying, adhesion liquid layer forming, dry powder coating and curing forming, a uniform adhesion liquid layer is formed through a liquid feeding device and is subjected to backflow reuse, the powder feeding device forms a rotating powder flow through an L-shaped air inlet pipe to achieve multi-stage coating and interception escape powder recycling, and the adhesion liquid layer and the functional material dry powder are cured through precise temperature control of a curing unit. The problems of low powdering rate, non-uniform distribution, raw material waste and dust pollution of a traditional process are solved, the production efficiency is improved by 30% or above, the cost is reduced by 40%, multifunctional wires with heat preservation, electric conduction, antibiosis and the like can be prepared, and the method is suitable for the fields of intelligent wearing, medical protection and the like.

This invention discloses a continuous ultrasonic amplification standing wave field-ozone micro-nano bubble synergistic inactivation device for mariculture, comprising a seawater pretreatment unit, an ozone micro-nano bubble generating unit, an ultrasonic amplification standing wave field-ozone micro-nano bubble synergistic inactivation reaction unit, a multi-parameter effluent detection unit, and a closed-loop control unit connected in sequence. The reaction chamber adopts a three-layer coaxial nested configuration of 316L stainless steel. The inner tube wall has a regular polygonal prism structure, while the outer tube wall has a multi-segment continuously circulating "gradually expanding-constant diameter-gradually contracting" irregular tube structure. High- and low-frequency multi-array ultrasonic transducers are correspondingly arranged on the inner and outer wall surfaces to synergistically construct a blind-zone-free gradient amplification standing wave field. This invention achieves efficient and continuous inactivation of pathogenic microorganisms in mariculture water by targeting and enriching pathogenic microorganisms at the acoustic pressure nodes of the standing wave field, concentrating the excitation of multi-frequency resonant cavitation effects at the acoustic pressure antinodes, and coupling ozone micro-nano bubbles to reduce the cavitation threshold and leverage their high oxidizing properties.

This utility model proposes an open-circuit protection device for a steering gear rack quenching inductor, relating to the field of heat treatment technology. It includes a quenching device and a protection device. The quenching device has a first electrode and a second electrode spaced apart. The protection device includes a first conductive bus, a second conductive bus, and a spiral coil. One end of the first conductive bus is electrically connected to the first electrode, and one end of the second conductive bus is electrically connected to the second electrode. The other ends of the first and second conductive buses are respectively used to connect to a power supply. Both ends of the spiral coil are electrically connected to the first and second conductive buses, respectively. The impedance of the spiral coil is greater than the impedance of the working circuit formed by the first electrode, the steering gear rack, and the second electrode. By connecting a high-impedance spiral coil in parallel with the electrode circuit, an automatically switching dual path is formed: during normal operation, the current flows through the electrode-rack path; during open circuit, the current automatically switches to the spiral coil path, effectively limiting the current and suppressing overvoltage and overcurrent, thus protecting the power supply components.

The utility model relates to spray equipment technical field especially is related to a kind of robot spray head module, it includes spray box, the first joint component and second joint component of the upper cover of setting in spray box, first spray component and second spray component are set on the first panel of spray box and are set on the second panel of spray box.The first spray component and second spray component are all provided with multiple groups of nozzle unit, and the number of nozzle unit and the spray direction are different settings, can be sprayed to the product of multiple shapes, and the adaptability, compatibility is stronger.Nozzle unit and corresponding first panel, second panel can be detachably connected, installation debugging is more convenient and quicker the nozzle unit on first joint component and first spray component is connected by corresponding connecting pipe, the nozzle unit on second joint component and second spray component is connected by corresponding connecting pipe.The first panel and second panel are both spaced apart and arranged with multiple air blowing nozzles, and the drying spray surface is facilitated.

The utility model discloses a kind of noise reduction air source heat pumps, including air source heat pump main body, the top end output port of air source heat pump main body is equipped with sound reduction cover, the top end of sound reduction cover is equipped with dust frame;The top end of dust frame is embedded with dust screen, both sides outer wall of dust screen are equipped with embedded block;The inner wall of both sides of dust frame is equipped with embedded groove, embedded block is embedded in embedded groove;The bottom end of sound reduction cover is equipped with limit ring plate, the top end of limit ring plate is equipped with locating screw hole in four corners, the top end of air source heat pump main body is equipped with locating screw groove in four corners of its output port;The setting of this noise reduction air source heat pump, the utility model is equipped with sound reduction cover in the top end output port of air source heat pump main body, can effectively absorb and block the noise generated when heat pump operates, significantly reduce noise pollution, create quiet atmosphere for surrounding environment, expand the application scene of air source heat pump in residential area, school, hospital and other noise sensitive areas.

The utility model relates to the technical field of mining conveying, and discloses a mining conveyor belt deviation rectifying device which comprises a deviation rectifying frame, a deviation rectifying assembly and a cleaning assembly, fixing plates are installed on the two sides of the bottom of the deviation rectifying frame through bolts and fixed to supporting legs in a matched mode to provide stable supporting for the whole, and a driving roller is rotationally installed in the center of the top of the deviation rectifying frame. When the belt deviates and touches the deviation rectifying assembly, the electric push rod is started, the output shaft of the electric push rod pushes and drives the deviation rectifying shaft, the deviation rectifying plate is made to change the angle around the rotating support by means of the rotating hinge bait, the deviation rectifying wheel is driven to apply lateral force to the belt, and precise deviation rectifying is achieved. The cleaning scraping plate is matched with a connecting block of the cleaning adjusting piece in an inserted mode through a rotating cylinder, an adjusting column of the cleaning adjusting piece is matched with an angle identification groove in an angle identification block, the contact angle between the cleaning scraping plate and the belt can be flexibly adjusted, impurities on the belt are effectively removed, and the normal operation and deviation rectifying effect of the belt are guaranteed; and the operation stability of the mining conveyor is improved.

This invention discloses a one-button sequential control device for an electric operating mechanism, comprising a fixed plate, an output shaft, a main drive wheel, a secondary drive wheel, a fixed shaft, a main driven wheel, a secondary driven wheel, a main drive micro switch group, and a secondary drive micro switch group. The output shaft is rotatably connected to the fixed plate. The main drive wheel and the secondary drive wheel are both sleeved and fixed on the output shaft and arranged in layers. The fixed shaft is fixed to the fixed plate. The main driven wheel and the secondary driven wheel are rotatably connected to the fixed shaft and arranged in layers. The main driven wheel and the secondary driven wheel are connected together by a fixing pin. The main driven wheel and the main drive wheel are connected by gear meshing, and the secondary driven wheel and the secondary drive wheel are connected by gear meshing. The main drive micro switch group is mounted on the fixed plate and corresponds to the position of the main driven wheel. The secondary drive micro switch group is mounted on the fixed plate and corresponds to the position of the secondary driven wheel. This invention can meet the dual output angle requirements of the electric mechanism.

The present application relates to the field of optical precision measurement, and discloses an angle measurement method and device based on micro-wavelength difference dual-wavelength interference, comprising the following steps: using a micro-wavelength difference dual-wavelength extended light source, generating isoclinal interference fringes through a Michelson interferometer; using a linear moving mechanism with adjustable tilt direction to move the plane mirror of the test light beam along the tilt direction; and indirectly measuring the tilt angle through the fringe change characteristics of the micro-wavelength difference dual-wavelength interference. The interference method and device for measuring the angle are simple and easy to operate, and are convenient to install and debug; are suitable for high-precision measurement of micro-angles and angles near 180 degrees; use the blurring or clarity of the interference fringes as the basis for judgment and positioning, are sensitive in response, have good accuracy, and are also suitable for computer automatic analysis and processing; and can obtain precision of the order of seconds by using a low-precision linear displacement mechanism to obtain high-precision angle measurement.

The utility model discloses a kind of clamping rotary devices for H-shaped channel steel processing, including fixed frame, the outside cylinder for being used to support inside turnover cylinder is installed on the fixed frame, the servo variable position device for being used to pull inside turnover cylinder is installed on the fixed frame, the hydraulic caliper for being used to guarantee the stability of inside turnover cylinder when processing is installed on the fixed frame, the roller for being used to transport and the sliding block for being used to clamp are installed on the both sides of inside turnover cylinder.H-shaped channel steel is transported by roller, H-shaped channel steel is clamped by hydraulic clamping sliding mechanism, inside turnover cylinder is turned over by servo motor, and multiple-position processing is realized, the stability of inside turnover cylinder in processing process is guaranteed by hydraulic caliper, so that the transport, clamping, turnover processing of H-shaped channel steel are realized in the same station.In addition, the utility model meets the requirement of simple, fast and reliable debugging installation in processing process.

The invention discloses a rectangular coaxial adapter with a filtering function, and relates to the technical field of coaxial adapters, the rectangular coaxial adapter comprises a shell, a conductor is slidably mounted in the shell, bushes are arranged at the two ends of the conductor, a via hole is formed in the side wall of each bush, a contact sleeve is arranged on one side of each via hole, and the contact sleeves are arranged in the via holes. Firstly, the conductor is installed in the shell, then the insulation sleeve is arranged on the output conductor rod and the input conductor rod in a sleeving mode, then the bush and the contact head sleeve are sequentially arranged on the outer sides of the output conductor rod and the input conductor rod in a sleeving mode, and at the moment, the bolt rod on the side wall of the bush is inserted into the bolt groove; limiting and supporting work of the conductor in the shell can be completed through cooperation of the bolt groove and the bolt rod, then equipment connection work can be conducted, the insulation sleeve can conduct limiting and supporting on the output conductor rod and the input conductor rod, it is guaranteed that the shell and the input conductor rod are located at the axis of the connecting hole, the structure is light and handy, dismounting and mounting are convenient, welding is not needed, and the cost is low. Installation and debugging are convenient.