56results about How to "Avoid installation impact" patented technology

The invention discloses a solar photovoltaic roof structure body. The solar photovoltaic roof structure body comprises a roof body and a photovoltaic module, wherein the photovoltaic module is installed on the roof body, an intersection angle is formed between the upper surface of the photovoltaic module and a horizontal plane, a photovoltaic module cleaning system is arranged on the roof body, and the photovoltaic module cleaning system is used to clear sundries on the surface of the photovoltaic module. According to the solar photovoltaic roof structure body, the photovoltaic module cleaning system is installed on the roof body, and can be directly used to clean the surface of the photovoltaic module on the roof body so as to remove impurities, dust and the like on the surface of the photovoltaic module, a person does not need to climb a roof for cleaning the photovoltaic module, and therefore on the one hand, the number of dangerous operation processes is decreased, and an operation security coefficient and operation efficiency are improved, and on the other hand, compared with manual cleaning, the photovoltaic module cleaning system used to clear the sundries on the surface of the photovoltaic module can timely clean the photovoltaic module, and is good in cleaning effect and high in efficiency.

The invention discloses a belt conveyor transfer point closed dust controlling and dust removing system. The dust removing system comprises a closed dust controlling module, a dust adhesive dust suppression module and an atomized dust settling module, wherein the dust adhesive dust suppression module and the atomized dust settling module are located below the closed dust controlling module. The closed dust controlling module comprises an annular dust retardation air curtain generator connected with a pressure ventilation pipe. The dust adhesive dust suppression module comprises a dust adhesive solution transmission and distribution pipe connected with a water supply pipe I. The atomized dust settling module comprises a pressure water pipe connected with a water supply pipe II. In addition, the invention provides a method for conducting dust removing through the belt conveyor transfer point closed dust controlling and removing system. By the adoption of the belt conveyor transfer point closed dust controlling and removing system and the dust removing method, the problem that dust is diffused at a transfer point is solved, the dust removing efficiency is improved, influences on operation of a belt at the transfer point and inspection of workers are avoided, the situation that a dust generation area is disturbed by the external environment is avoided, and the dust generating amount can be reduced fundamentally.

The invention relates to a pearlite ceramsite composite acoustic board, which is characterized in that pearlite is used as a surface course of an acoustic material, and ceramsite concrete is used as a base course; and by utilizing ambient pressure, two materials are connected into a whole through the bonding force of the concrete and snap-in force among nonuniform transitional surfaces. The product can be applied in paste surfaces of integral type acoustic barriers by utilizing a mounting hole and a mounting surface which are reserved on a light-weight monolithic composite acoustic board according to requirements of site operation and strip plate-type acoustic barriers with the length from 2 to 6 meters are formed by secondary cast-in-place and prefabrication, so that the acoustic barriers are fixed in structural members.

The invention relates to face identification camera equipment convenient to mount and dismount. The face identification camera equipment comprises a base, a housing, a camera, a mounting mechanism anda dust removing mechanism; the mounting mechanism comprises an adhesive component and an adsorbing component; and the dust removing mechanism comprises a second motor, a second gear and two dust removing components. In the face identification camera equipment convenient to mount and dismount, the base can be fixed to a wall body by adhesion of glue and adsorption of a sucking disc by virtue of the mounting mechanism; when the face identification camera equipment is compared with an existing face identification camera in installation, drilling is prevented in an installation process so that the beauty is not affected and the installation is prevented from being affected by construction dust; moreover, troubles caused by rusting of a joint to dismounting are prevented; more convenient and reliable mounting and dismounting are realized; the dust on the camera can be removed by the dust removing mechanism so that the camera is prevented from being shielded by the dust, thus a person imageis clear, the face identification effect is not affected, and the practicability and the reliability of the face identification camera equipment are greatly improved.

The invention relates to a foaming tool with a safety control mechanism, which comprises a gun block, a valve element, a switch, a return spring used for returning the valve element and a regulating piece. The foaming tool is characterized in that a safety control mechanism used for preventing the regulating piece from accidentally drawing back is arranged, thus regulation is easy, stable, safe and reliable, thereby the foaming tool effectively avoids the regulating piece from moving freely, prevents the regulating piece from accidentally drawing back, has obvious regulating movement, is easy to master regulating and locking conditions, has high regulating and locking stability, improves the construction quality, avoids the waste of forming agents, effectively prevents and avoids leakage or accidental injection or combustion or explosion or curing phenomena, prevents waste of the foaming agents and influence on the construction quality due to the excessive injection of the foaming agents and prevents the phenomena of leakage, fall-off of the safety control mechanism and the fall-off of the regulating piece.

The invention discloses a tool for conveniently mounting different vehicle type clamps. According to the technical scheme, the tool for conveniently mounting different vehicle type clamps is characterized by comprising a tooling table, wherein the tooling table is provided with two mounting tables, each mounting table is rotationally connected with a main shaft, each main shaft is provided with afixing mechanism used for being rapidly fixed and positioned, each fixing mechanism comprises a fixed disc, an abutting plate, zero-point quick-change clamps, a sliding groove and a limiting component, wherein the fixed disc is fixed to the main shaft, the abutting plate is arranged on the fixed disc, the zero-point quick-change clamps are arranged on the upper end surface of the abutting plate, the sliding groove is formed in the side wall, fall away from the main shaft, of the fixed disc, and the limiting component is arranged between the fixed disc and the tooling table and limits rotationof the fixed disc; the mounting tables are horizontally and slidably connected to the tooling table, and a movable oil pressure cylinder, sliding rails and a positioning assembly are arranged betweeneach mounting table and the tooling table, wherein the positioning assembly is used for positioning the relative positions of the mounting table and the tooling table. According to the tool, tool clamps of different vehicle types can be conveniently and quickly replaced, and the distance of the two mounting tables can be adjusted to adapt to the lengths of different tool clamps.

The invention discloses a prefabricated wall structure. The prefabricated wall structure comprises a wall, wherein the wall is arranged between the building ground and a building ceiling, the end of the wall in the length direction extends to a built structural body which is crossed with the wall, the wall comprises one or a plurality of unit modules which are arranged in the length direction of the wall as well as a first elastic support seat and a second elastic support seat which have elasticity, and the wall is configured so as to be in sliding connection with the building ground and the building ceiling in the length direction of the wall; a first adjusting gap is formed between the wall and the built structural body, and the first elastic support seat is clamped between the wall and the built structural body; and a second adjusting gap is formed between the wall and the building ceiling, and the second elastic support seat is clamped between the wall and the building ceiling. The prefabricated wall structure provided by the invention relates to the field of buildings, internal stress of the wall can be eliminated, the wall is prevented from generating cracks, additionally, the vibration of the wall can be eliminated, a vibration reduction effect is achieved, and the wall is prevented from being damaged due to vibration.

Disclosed are an underground coal mine drilling water draining and gas spraying prevention device and an installation method thereof. Water and gas hole spraying problems in the underground coal minedrilling exploring water draining and pressure relief process can be solved. The underground coal mine drilling water draining and gas spraying prevention device mainly comprises a hole opening support and sealing structure, a first separation assembly and a second separation assembly, and the work sequences of the first separation assembly and the second separation assembly are parallel. The holeopening support and sealing structure comprises a hole protection pipe, a sealing sleeve, a hemispheric gas collection hood and a wind barrel. The first separation assembly comprises a water drainingdevice. A fluid inlet of the water draining device communicates with the part, exposed from the hemispheric gas collection hood, of the barrel body of the wind barrel. The water draining device communicates with a water drain pipe and an exhaust pipe. The second separation assembly comprises a separation box. An upper barrel opening of the wind barrel is connected with a fluid inlet of the separation box. The separation box communicates with the exhaust pipe and the water draining pipe. The underground coal mine drilling water draining and gas spraying prevention device is simple in overall structure, good in spraying prevention effect, convenient to install and disassemble and low in cost and has wide practicability.

The invention discloses a horizontal clamping type wall capable of containing a pipeline and a construction method. The horizontal clamping type wall capable of containing the pipeline comprises wall modules erected between an upper floor and a lower floor, wherein each wall module comprises a wallboard unit and a first wall panel arranged on one side of the wallboard unit; the upper end and the lower end of each wall module are connected with connecting pieces correspondingly to form a partition wall; a gap between every two adjacent wallboard units and a gap between every two adjacent first wall panels are arranged in a staggered mode; the two ends of each wallboard unit are provided with horizontal clamping type keels used for being connected with the adjacent wallboard units; the horizontal clamping type keels are arranged in the height direction of the wallboard units; each wall module is provided with a dead zone; each dead zone comprises a containing zone for containing the pipeline and an opening zone for the pipeline to pass through; and one end of each opening zone is adjacent to the corresponding containing zone, and the other end of each opening zone extends to the edge of the corresponding wall module; or, one wall module is provided with a first half zone, the adjacent wall modules are provided with second half zones, and the first half zones and the second half zones are combined to form the dead zones.

The invention discloses a concrete filled steel tubular column steel-reinforced concrete beam ring beam joint formwork reinforcing piece which comprises a first conical sleeve, a round steel pull rod,a steel flat belt, an arc formwork, arc-shaped double square tubes and a T-shaped connecting rod. The first conical sleeve is connected with a steel column in a welded mode, screw threads are arranged at the two ends of the round steel pull rod, one end of the round steel pull rod is in threaded connection with the first conical sleeve, and the other end of the round steel pull rod is in threadedconnection with a second conical sleeve of the T-shaped connecting rod; the arc formwork is an arc-shaped clear water formwork; the arc-shaped double square tubes are two square tubes with radian; the T-shaped connecting rod comprises a T-shaped round steel main rod, the second conical sleeve is welded to the end, a main stress rod is sleeved with a first nut and perforated channel steel, and a perforated hole is formed in the middle of the perforated channel steel. The round steel pull rod is installed after ring beam span joint steel bars are installed, the influence on steel bar installation can be avoided, and the steel bar installation efficiency is improved; and the arc-shaped steel flat belt with the self-locking function, the problem that a splicing seam of a side mold and a bottom mold is not tight is solved.

The invention discloses a wall top connecting piece and a wall connecting structure. The wall top connecting piece comprises an elastic support and a limiting guide seat, wherein a first mounting groove is formed in the lower end of the limiting guide seat; the elastic support is vertically arranged in the first mounting groove; and one end of the elastic support in the stretching direction is fixed at the bottom of the first mounting groove. The wall connecting structure comprises a wall, a building ceiling and the wall top connecting piece, wherein an adjusting gap is formed between the wall and the building ceiling; the wall top connecting piece is arranged along the length direction of the wall and is inserted into the wall; and the lower end face of the wall top connecting piece is pressed against the upper end face of the wall. The invention relates to the field of buildings and provides the wall top connecting piece and the wall connecting structure. According to the wall top connecting piece, internal stress of the wall in the height direction can be further eliminated, and cracks of the wall are avoided. Meanwhile, vertical vibration of the wall can be eliminated by the elastic support, the wall top connecting piece has a vibration reduction effect, and the wall is prevented from being damaged due to vibration.

The invention provides a plug-in buckle type ultrathin hollow stone-plastic wallboard assembly and a mounting method, and belongs to the technical field of indoor wall decoration. The plug-in buckle type ultrathin hollow stone-plastic wallboard assembly comprises a suspended ceiling board, a wallboard unit and closing-up lines. The fixing ends of two first internal corner plates abut against eachother at the internal corner of the wall, the two first internal corner plates are fixed to the two ends of the internal corner of the wall correspondingly, installation of the wallboard at the internal corner of the wall is achieved, the first clamping structures of the first wallboard are clamped to the second clamping structures of the first internal corner plates at the two ends of the flush joint of the wall correspondingly, the first wallboard, fixing the first wallboard are sequentially mounted at the wall flush joint, the third clamping structure of an external corner plate is clampedto the second clamping structure of the first wallboard at one end of the wall flush joint, the fourth clamping structure of the external corner plate is clamped to the first clamping structure of thefirst wallboard at the other end of the wall flush joint at a wall external corner, installation of the external corners of the wall is achieved, and the wall is provided with the closing-up lines.

The invention discloses a partition wall and a wall body mounting structure. A mounting groove is formed in the top of the partition wall, an elastic support is arranged in the mounting groove, the elastic support is vertically arranged, and the top of the elastic support protrudes out of the mounting groove and is used for being elastically connected with a building ceiling located at the top of the partition wall. The wall body mounting structure comprises the building ceiling, connecting pieces and the partition wall, a gap is formed between the top of the partition wall and the building ceiling, the top of the elastic support abuts against the building ceiling and is in a compressed state, and the connecting pieces are fixed to the building ceiling and arranged on the two sides of the partition wall and used for guaranteeing the lateral stability of the partition wall. The invention relates to the field of buildings, and provides the partition wall and the wall body mounting structure. The elastic support is used for enabling the top to be elastically connected with the building ceiling, internal stress in the height direction of the partition wall is further eliminated, and cracks of the partition wall are avoided; and meanwhile, the elastic support can eliminate vibration of the partition wall, the vibration reduction effect is achieved, and the wall body is prevented from being damaged by vibration.

The invention discloses a bearing installation detection device which comprises an installation box, an installation cavity is formed in the installation box, a discharging mechanism is arranged in the installation cavity, the discharging mechanism comprises an installation block fixedly installed on the bottom end wall of the installation cavity, and a lifting cavity is formed in the installationblock. A T-shaped lifting plate which is provided with a rack and can stretch and contract up and down is arranged in the lifting cavity in a sliding manner. An outer ring is pushed out and kept clamped, the situation that subsequent installation is affected due to movement of the outer ring is avoided, then an inner ring and a retainer are discharged, balls are placed into the retainer, the balls and the retainer are detected when the balls are placed, if the gaps between the balls and the retainer are too large or too small, it is proved that the balls and the retainer are not matched, andworkers are reminded to conduct checking and replacement.

The invention discloses a push rod structure of an upper thread clamping device and the upper thread clamping device of an embroidery machine, and belongs to the technical field of embroidery machines. The push rod structure comprises a motor, a push rod, a rotating shaft, a push piece and a baffle piece, wherein the push rod can move back and forth; the rotating shaft is transversely arranged; the push piece and the baffle piece are arranged on the rotating shaft; the front end of the push rod abuts against the push piece; the motor can push the push rod to move forwards; and when the push rod moves forwards, the push rod abuts against the push piece to drive the rotating shaft to rotate, so that the baffle piece is warped and rotated forwards. The motor of the push rod structure can be installed behind a machine head, the rotating shaft can be rotatably arranged on the machine head, and the installation positions of all the components of the push rod structure are reasonably arranged, so that the interference caused by the push rod structure to an upper thread clamping structure and a needle bar frame can be effectively avoided, and the installation influence caused by the push rod structure to the upper thread clamping structure is avoided.

The invention discloses a stable clamping traction device for erecting a wire in a power transmission line and a use method thereof, and belongs to the technical field of power equipment. The stable clamping traction device comprises a mounting mechanism, a winding mechanism and a lifting locking mechanism; the installation mechanism comprises an installation frame, and the winding mechanism and the lifting locking mechanism are installed on the installation frame. The winding mechanism comprises a rotating assembly and a winding roller, the winding roller is driven by the rotating assembly to clamp a pull wire, the erection of a power transmission line is facilitated, the lifting locking mechanism comprises a lifting assembly and a plurality of insertion rods, and the winding roller is wound and unwound through the lifting locking mechanism. Through the mounting mechanism, the winding mechanism and the lifting locking mechanism, the electric wire is automatically clamped in the erecting process, the structure is simple, and operation is convenient.

The invention relates to an automobile center control panel shell assembly. The assembly comprises a clamping table panel, an air conditioner panel fixing frame, a decoration panel, a center control panel and a connecting structure; the air conditioner panel fixing frames are arranged on the inner side of the clamping table panel; an instrument panel mounting groove is formed in the right side of the air conditioner panel fixing frame at the left end; the center control panel is arranged on the right side of the instrument panel mounting groove; and connecting structures are respectively arranged at the mounting positions of the central control panel and the air conditioner panel fixing frames. The automobile central control panel shell assembly can adapt to installation and use of control panels of different specifications of automobile types; fixing devices are arranged at the installation and connection positions of the automobile central control panel shell assembly and an automobile table top, so that the central control panel is prevented from loosening and displacing, and the installation stability of the central control panel is guaranteed; and connection structures are arranged at the connection positions of the two ends of the bottom of the central control panel and the air conditioner panel fixing frames correspondingly, the central control panel can be quickly taken down from the air conditioner panel fixing frames by utilizing the clamping installation of the connection structures and the air conditioner panel fixing frames and connecting devices of connecting shafts, so that the quick disassembly and assembly of the central control panel are realized.

The invention relates to a construction method of an intelligent glass greenhouse. The method includes the following steps that S1, a steel structure is constructed; S2, anti-corrosion treatment is performed on the steel structure; S3, a glass frame is mounted; S4, glass is mounted as follows: conveying supporting plates at the lower end are locked on a moving frame firstly, the position between the two conveying supporting plates is adjusted through adjusting columns, then the glass is placed between two following mechanisms and is sucked by a suction mechanism, and the suction mechanism is pushed rightwards to enable the glass to be moved onto the glass frame; S5, sealing treatment is performed; S6, cleaning treatment is performed; and each following mechanism comprises a following frame, a limiting supporting plate, a limiting bolt, a bolt connecting plate, a stop plate, a stop spring and a following block. With the method, the problems that the glass cannot be aligned accurately when the glass is placed on the glass frame manually, safety accidents occur due to the fact that the glass slips down easily due to the fact that the glass is required to be supported manually after being placed and the like during glass mounting of existing intelligent greenhouses can be solved.

The invention relates to the field of new energy technology, and discloses a fan blade installation device for a wind power generator using the principle of a connecting rod, which includes a fixing seat, and a wheel hub installation groove and a fan blade installation groove are opened inside the fixing seat. The outside of the hub installation groove is fixedly connected with a hub clamping mechanism, the bottom of the fan blade installation groove is provided with a movable chute, and the inside of the fan blade installation groove is slidably connected with two fan blade fixing mechanisms. A connecting rod is fixedly connected between the leaf fixing mechanism, the first air pressure rod is fixedly connected to the outside of the blade fixing mechanism, the first air pressure cylinder is fixedly connected to the outside of the first air pressure rod, and the inside of the fixing seat There is a second pneumatic cylinder fixedly connected, through the cooperation of the hub installation groove and the fan blade installation groove, the positional relationship between the fan blade and the hub can be determined, the adjustment process can be reduced, the alignment time can be reduced, and the working efficiency of fan blade installation can be increased. .

The invention discloses a blockage clearing device for a screw conveyor. The blockage clearing device comprises a discharging pipe and a conveying assembly. The discharging pipe is provided with a pneumatic gate valve and an external air source. The conveying assembly is provided with a blockage clearing assembly. An air inlet pipe is installed on one side of the blockage clearing assembly and connected with the air source. Valves are arranged between the air source and the pneumatic gate valve and between the air source and the air inlet pipe correspondingly. The blockage clearing assembly comprises an installation pipe connected with the conveying assembly and an installation head with a filter screen. The installation head is connected with the installation pipe. The filter screen is located in the conveying assembly. The blockage clearing device is simple in structure; when the screw conveyor is blocked, materials at a through hole are cleared away rapidly in time through cooperative use of the pneumatic gate valve and the conveying assembly, the materials are suspended in a shell after blockage clearing, the material conveying safety and conveying efficiency are improved, and the probability that the screw conveyor breaks down or is damaged due to blockage is reduced.

The invention discloses a support for a draining pump and a manufacturing method thereof. The support includes a support body, the support body is provided with fixing plates and a positioning plate,the fixing plates are of a U-shaped structure, the lower portion of the positioning plate is provided with a fixing device, the fixing device is installed above the fixing plates, the two sides of thefixing device are provided with connecting plates and adjusting devices, the adjusting devices are installed on the connecting plates, the adjacent adjusting devices are opposite to each other, an installation groove is formed in the positioning plate, a limiting part is arranged at the installation groove, and the limiting part is inserted into the installation groove. The manufacturing method comprises the following steps of 1) installing the fixing device, 2) installing the fixing plates and the connecting plates, 3) installing the adjusting devices, and 4) installing the draining pump. The support for the draining pump solves the problems that the draining pump vibrates in the drainage process, and the vibration process easily causes fatigue of support parts, so that the strength andthe rigidity are reduced, the natural frequency is reduced, and a certain risk is caused to the operation of the draining pump.

The invention belongs to the field of lug technology, and especially relates to a cylindric pin with orientation correction for rough machining of the lug. The cylindric pin comprises a straight pin, a first lug, a lug support, a second lug, fixing mechanisms, inner balls, ball cases, adjusting blocks, and the like; wherein the first lug and the second lug are installed on the lug support, the straight pin is installed on the first lug and the second lug by fixing mechanisms at double ends, the inner balls are installed at double ends of the straight pin, and the inner balls and the ball cases in the fixing mechanisms are matched for forming universal joints; the ball cases are installed on the adjusting blocks by ball case clamping plates; a second nut can steadily position the ball case on a certain position of the adjusting block, and fastening of a first nut can guarantee the fixing mechanism is steadily fixed on the lug. Furtherly, the straight pin has a nested structure of an externally covered rod and an inner rod, so that the length of the straight pin can be guaranteed according to self adjusting of a lug gap. The orientation of the cylindric pin can be adjusted according to installation position needs, and the cylindric pin has high practicality.

The invention provides a light-truck pedal plate connecting support. The light-truck pedal plate connecting support comprises a pedal plate connecting support body; and a brake pedal plate assembly mounting hole is formed in one end of the pedal plate connecting support body, and a welding bolt used for being connected with a steering column fixed plate is arranged at the other rend of the pedal plate connecting support body. The two sides of the pedal plate connecting support body are each provided with a clutch pedal plate assembly mounting hole. A stamping connecting plate formed by integral stamping is formed by a pedal plate support connecting plate and a brake pedal plate assembly mounting plate; a wiring harness support is fixed to the brake pedal plate assembly mounting plate; and connecting plate reinforcing ribs are arranged on the stamping connecting plate. According to the scheme, the condition that a clutch pedal plate assembly support and a brake pedal plate assembly fixed support need to be independently designed and assembled can be avoided, and mounting structures of a clutch pedal plate assembly, a brake pedal plate assembly and a steering column assembly in a light-truck cab are more compact; and shortcoming of assembling space limitation in the light-truck cab can be overcome, and the practicability is high.

The invention discloses an electric power maintenance electronic warning board stable to assemble and convenient to adjust and assemble. The electronic warning board comprises a digital display plate,a warning assembly machine body, a sealing pad, an assembly cover and a warning board assembly head. When the electronic warning board provided by the invention is used, 1, by virtue of a drawing-pressing or ejecting-pressing trigger mechanism which is subjected to synchronous running with a linkage switch, in coordination with a lifting clamping rod and a clamping groove mechanism at an adjusting connector, the equipment, through positive pressure and negative pressure which are generated when the equipment is used, can drive the clamping rod to lift so as to locking the adjusting connector,so that the equipment, on the basis of being adjustable, can achieve unchanged direction when used, and influence of weathers, touch by mistake and the like to the use of the warning board can be avoided; and 2, by virtue of an assembling head which is provided with a rubber inner ring, in coordination with the drawing-pressing or ejecting-pressing trigger mechanism, the equipment can be installed in two modes, namely extruding cladding and negative-pressure adsorbing, so that the installing stability of the equipment can be guaranteed better, influence of wind blowing and the like to the installing stability of the equipment can be prevented better and safety can be guaranteed.

The invention discloses a blade structure for reducing noise and air loss of a hydrodynamic retarder. The blade structure comprises a stator and a rotor, the stator is positioned at one side of the rotor, blades are arranged at the inner sides of the stator and the rotor, the blades in the stator and the rotor are arranged in a circular array, a sawtooth strip is fixed at the edge of one end of each blade, and a tooth groove is formed in each sawtooth strip. According to the blade structure, the designed sawtooth strips are mounted on the blades, so that the effect of reducing noise and resistance is achieved by changing the tooth shapes of the blades of the rotor and the stator; and the designed tooth grooves in the sawtooth strips are arranged in a sine wave fluctuation manner, so that the sawtooth strips are ensured to change the vortex intensity in working cavities of the rotor and the stator, the noise of the hydraulic retarder can be effectively reduced, interference of the noise of the hydraulic retarder to a driver is reduced, the driving safety is improved, noise pollution to the surrounding environment is reduced, and good social benefits are achieved.

The invention discloses an AGV trolley for mounting screws. The AGV trolley comprises a control module, a driving system, a trolley body, rollers arranged under the trolley body, an automatic guiding system arranged in the trolley body, and a screw mounting system arranged above the trolley body. The screw mounting system consists of a first mechanical arm connected with the trolley body, a second mechanical arm connected with the first mechanical arm, and a screwdriver holder connected with the second mechanical arm. An automatic screwdriver unit is arranged at one end of the screwdriver holder and the other end is connected with a screw conveying unit. The automatic screwdriver unit is hinged to the screwdriver holder and is connected with a reversing driving unit. An exhausting type suction device is arranged at one end, approaching the screwdriver holder, of the screw conveying unit and the other end is connected with a screw storage unit; and a material taking unit is arranged at the connection part. Therefore, full-automatic unmanned assembling work is realized; and screw mounting is carried out precisely.