392results about How to "Installation saves time and effort" patented technology

The invention discloses a multifunctional middle trough assembling and disassembling machine, belongs to the technical field of coal mine cranes, and provides a multifunctional crane capable of automatically moving, hoisting and assisting in assembling a chute of a scraper conveyor. The technical scheme is that: the multifunctional crane comprises walking parts, a frame, a crane jib, a rotating device, a hydraulic system, top supporting cylinders and ground supporting cylinders, wherein the walking parts are symmetrically arranged on two sides of the lower part of the frame; the tail of the bottom of the frame is symmetrically provided with two ground supporting cylinders; the tail of the cylinder body of each ground supporting cylinder is fixed to the bottom of the frame; piston rods of the ground supporting cylinders are vertical downwards; the hydraulic system is arranged on one side of the rear half section on the upper part of the frame; an electric equipment system is arranged on the other side of the rear half section of the upper part of the frame; four top supporting cylinders are arranged on the upper part of the frame, and are symmetrical in pairs; the tail of the cylinder body of each top supporting cylinder is fixed to the frame; piston rods of the top supporting cylinders are vertical upwards; the rotating device is arranged on the front half section of the frame; and the crane jib is arranged on the rotating device. The invention is applied to the technical field of coal mine cranes.

The invention discloses a multi-split air-conditioning indoor and outdoor unit mistaken wiring detection method. After a plurality of indoor units are connected with an outdoor unit, four dial codes of a dial switch SW-1 on a failure display board of the outdoor unit are simultaneously on to start a machine set and start detecting procedures; the openness of an electronic expansion valve of each indoor unit are controlled by the outdoor unit so that the openness of the electronic expansion valve of one indoor unit is larger than the openness of the electronic expansion valves of the other indoor units; the average temperature of coil sensors of each indoor unit in a period of time is measured to detect whether to satisfy judging conditions or not to judge whether the connection between the indoor units and the outdoor unit is correct or not; and the connection between each indoor unit and the outdoor unit is detected in sequence according to the way. An air-conditioning system can automatically detect whether the connection of power wires and signal wires of each system is correct or not according to the set of the dial switch without needing manual inspection.

The invention discloses an actuating tower type pumping unit of a low-velocity big-torque special-shaped motor, which is characterized by comprising a tower cylinder fixed on a cement basement, a digital intelligent control cabinet, a special-shaped motor on the top platform of the tower cylinder, a load hoisting belt wound round the roller of the special-shaped motor, and a balance box connected with the load hoisting belt. One end of the load hoisting belt is fixedly provided with a hanging rope or a hanging unit, while the other end of the load hoisting belt is connected with the balance box. The load hoisting belt is driven by the special-shaped motor to transmit torque forwardly and reversely. The rotating speed, the steering and the torque of the special-shaped motor are regulated and controlled by the digital intelligent control cabinet. The forward and reverse rotation of the special-shaped motor is converted to the reciprocating linear motion of a sucker rod so as to realize the oil pumping cycle of the pumping unit. The pumping unit is simple in structure and the intelligent controller thereof can be controlled automatically, manually or remotely. Thus, the perfect combination of high intelligence and fool-style operation is realized. The pumping unit is only provided with two lubricating points and can be operated for years without being lubricated. No easily damaged part is adopted by the whole pumping unit, while the pumping unit is time-saving and labor-saving in transportation, installation, use and maintenance.

The invention provides a clip-spring conveying press-in structure, which can quickly and accurately transport the circlip to the corresponding position of the bearing and quickly press-fit, such that the installation efficiency is improved, the installation is time-saving and labor-saving. The invention relates to a fixing device for positioning bearing, which is used for locating bearing and is provided with a pressure head on the upper part of the jig, and a vertical vibration machine is arranged on the bottom plate of the bracket. The base plate of the jig is arranged on the bottom plate of the bracket. The upper end surface of the vertical vibration machine is arranged with a straight-line clamping spring flow path, and the input end of the vertical vibration machine is connected with the discharging port of the feeding reel, wherein the input end of the upper charging reel is arranged with a clamping spring, and the product-in-place inductor is arranged toward the output end of the clamping spring flow path, the upper part of the pressure head is fixed to the piston end of the upper and lower cylinder, and the base of the upper and lower cylinder is fixed to the fixing plate of the upper and lower cylinder, and the bottom slider of the upper and lower cylinder fixing plates is embedded in two lines.

The invention aims at providing a modular wide hot stamping machine and belongs to the field of printing equipment. According to the hot stamping machine, modular design is adopted, mechanical devices corresponding to different technologies are designed and integrated to be different modules with independent functions; a tipping paper unwinding unit and a tipping paper traction unit are integrated into an unwinding module; a film winding unit, a film unwinding unit, a film traction unit, an automatic registration unit and a gold stamping unit are integrated into a gold stamping module; and a tipping paper winding unit serves as a winding module. The units can be increased or decreased as required to change the existing combination mode in a technology application, mono-color or multicolor gold stamping can be switched quickly on the same gold stamping device, requirements for diversification, scientification, standardization, large scale and short product refresh cycles in the modern gold stamping industry are satisfied, the machine structure is exquisite and compact, accurate technique indicators and energy-saving and consumption-reducing indicators are achieved, and control performances and product quality are streamlined.

The invention relates to an installation method for thermal insulation and decoration integrated facade panels in the field of construction methods of the construction industry. The method includes the following steps: (Step 1) main wall surface treatment; (Step 2) datum line making; (Step 3) framing installation; (Step 4) thermal insulation and decoration integrated facade panel installation; (Step 5) gap filling; (Step 6) sealant filling; (Step 7) panel surface cleaning. When the method disclosed by the invention is adopted, integral installation is convenient, cost is reduced, the construction period is short, the load of facade panels is reduced greatly, the utilizability of space and land is enhanced, the application range is wide, temperature is kept, heat is insulated, energy consumption is reduced, structural destruction caused by the circulation of rain, snow, freezing, thawing, dryness and wetness is prevented, the worry about the water seepage of wall surfaces is eased after installation, the phenomenon that indoor wall surfaces go moldy is effectively prevented, and the thermal insulation and decoration integrated facade panels are environment-friendly and durable.

The invention provides an environment-friendly acoustic panel for tailings, belongs to the technical field of environment-friendly acoustic panels, and aims at solving the problem that when an existing environment-friendly acoustic panel is installed on a wall body, the environment-friendly acoustic panel connected through bolts can be installed only after a large number of nuts on the bolts are tightened, and consequently the installation efficiency of the environment-friendly acoustic panel during installation is reduced. A wall body is included, a supporting frame piece is installed at theedge of the front end face of the wall body, and six tailing acoustic panel pieces are installed on the inner side of the supporting frame piece. Firstly, the supporting frame piece is installed at the front end face of the wall body through clockwise tightening of fastening nuts, then the rear end faces of the tailing acoustic panel pieces are coated with adhesive layers, then the tailing acoustic panel pieces and the supporting frame piece are spliced, and then limiting baffles are inserted into limiting mechanisms, so that the tailing acoustic panel pieces are effectively limited, the environment-friendly acoustic panel is more time-saving and labor-saving during installation, and the installation efficiency of the environment-friendly acoustic panel during installation is further improved.

The invention is mainly used for a technology of oblique-pulling buckling and hanging of main arch rib cantilever splicing of a steel pipe concrete arch bridge, and particularly relates to an arch rib buckling and hanging installing structure of a steel pipe arch bridge. A main arch steel pipe of the steel pipe arch bridge is provided with a hoop system, the hoop system comprises two symmetrical semicircular hoop units, the semicircular hoop units are arranged on an upper layer arch rib, a semicircular wrapping plate directly wraps the main arch steel pipe, connecting plates are arranged on the two sides of the semicircular wrapping plate to perform bolted connection of two semicircular hoop units, the connecting plates are provided with bolt pin holes, the bolt pin holes enable an anchor box to be connected with a hoop through pin shafts, and a buckling and hanging cable is anchored into the anchor box. The installing operation is simple and convenient, a temporary buckling point of the steel pipe arch bridge can be installed in a time-saving and labor-saving mode, construction operations such as welding of lifting lugs to a main arch rib are avoided, and the influences, such as unevenness of stress to a main arch, which are caused by residual stress and the like resulting from welding are reduced. The arch rib buckling and hanging installing structure of the steel pipe arch bridge has the advantages of being reasonable in structural design, favorable for structural safety and stability, simple to operate and low in construction cost.

The invention discloses a method for producing a liquid wood integral door, which comprises the following steps of: 1) preparing liquid wood, namely (1) drying and grinding raw materials; (2) mixing the raw materials to obtain a mixture; and (3) generating the liquid wood, wherein the liquid wood comprises the following raw materials in part by weight: 100 parts of polyvinyl chloride, 40 parts of calcium carbonate, 60 parts of wood fiber powder, 4.5 parts of stabilizer, 8 parts of chlorinated polyethylene (CPE), 5 parts of acrylamide (ACR), 3 parts of H530, 0.5 part of polyethylene (PE) wax, 0.6 part of stearic acid, and 1 part of pigment; and 2) performing extrusion molding on the liquid wood at one time to obtain the integral door. In the method, the raw materials are molded at one time at a high temperature and under high pressure, do not contain formaldehyde, and are subjected to surface treatment by adopting thermal transfer technology; the integral door is free of paint, has no any toxic harmful gas and smell release in the production and use process, is environmental-friendly and has practicality.

The invention discloses a heating floor. According to the technical scheme, the heating floor comprises a plurality of spliced floor plates. Each floor plate mainly comprises a base plate, a surface layer and a conductive heating layer arranged between the base plate and the surface layer. Copper foil is arranged between the conductive heating layer and the base plate. Two sides of the base plate are provided with through holes. Two sides of the conductive heating layer and the copper foil, opposite to the base plate, are respectively provided with contacts. Leads are respectively connected by contacts and penetrate through the corresponding through holes on the base plate, leads on one side is connected with a sealing plug, and leads on the other side is connected with a sealing socket. The heating floor is higher in safety, low in cost, convenient to mount and mainly applied to indoor warming.

The invention relates to a drive integration method, and discloses an RAID card drive integration method under LINUX. The RAID card drive integration method includes the steps that an original initrd. img file is decompressed to obtain corresponding catalogs and files; a module file driven by an RAID is compressed and placed in a designated catalog; hardware information of an RAID card is added to a designated file; all the modified catalogs and the files are packaged and compressed to obtain the modified initrd. img file with RAID drive; the modified initrd. img file is utilized to replace the original file, an ISO is manufactured and recorded, and then the RAID card can be normally driven after a light disk is installed. The RAID card drive integration method has the advantages that the integration method is relatively simple, the integrated RAID card can be used for PXE network installation and traditional light disk installation, the integration process is flexible and quick, time and labor are saved in the installing process of a large-scale system, and the installing process is safe and stable.

The invention discloses a three-dimensional gradient boundary transition device applied to wind field characteristic wind tunnel experiments of a terrain model. the boundary transition device is mainly formed by serially connecting and splicing a plurality of sections; each section comprises two side plates and a surface layer; each side plate comprises a vertical edge, a bottom edge and a curve edge; the surface layer is fixedly paved on the curve edges of two corresponding side plates; the vertical edges of the side plates are higher than positions corresponding to the boundaries of the terrain model; the lengths of the bottom edges of the side plates are 5 to 8 % of the width of a wind tunnel; the gradient between the vertical edge of each side plate and the bottom edge of the side plate is 20 to 40 degrees; the line font of the curve edge of each side plate is defined according to the equation that y-r<2> / y+r<2>x<2> / y<3>-r<2>x<4> / y<5>+r<2>x<6> / y<7>-r<2>x<8> / y<9>-m=0, wherein x represents the radial position of each curve edge, y represents the vertical position of the curve edge, the parameters r and m are defined according to the equation set shown in the specification, h0 represents the height of each vertical edge, k0 represents the ratio between the height of the vertical edge and the length of each bottom edge. Through the adoption of the boundary transition device, under the premise that a wind field characteristic meets requirements after airflow transition, the requirement of wind tunnel space is low, and the applicability is high.

The invention relates to a waterproof photovoltaic assembly, a solar roof or ceiling formed by the same. The waterproof photovoltaic assembly comprises a photovoltaic panel and a frame body; the edge of the photovoltaic plate is wrapped in the frame body; a mother frame bar and a daughter frame bar are combined with each other so as to form the frame body; the top of a first installation groove of the daughter frame bar is provided with a protruding strip; the top of a second installation groove of the mother frame bar is provided with a cover strip; the cover strip is provided with a buckling groove which is matched with the protruding strip; the solar roof or ceiling includes a supporting frame and a board or building ceiling which is formed through embedding a plurality of waterproof photovoltaic assemblies; and the protruding strip of the daughter frame bar is buckled into the buckling groove of the mother frame bar, so that two adjacent waterproof photovoltaic assemblies can be connected together. The waterproof photovoltaic assemblies can be arranged in an embedding manner so as to form the roof or ceiling with excellent waterproof performance. The solar roof or ceiling can be directly adopted as common roofs including roofs of houses or factories or ceilings of buildings, and has wind, rain and sun shading functions and can convert solar energy into electrical energy.

The invention relates to a pneumatic valve locking plate dismounting device, comprising a bottom plate, an upright post, an air cylinder, a connecting rod, a movable frame, a locking plate dismounting mechanism and a valve head pad. The locking plate dismounting mechanism comprises a valve spring compressor, an arm of force of the valve spring compressor and a locking plate placing device; the upright post is fixed on one side of the bottom plate, the air cylinder is fixed between an upper fixing plate and a lower fixing plate, the top of an air cylinder piston is fixedly connected with the connecting rod, the other end of the connecting rod is fixedly connected with the movable frame, the movable frame is connected with the other upright post in a sleeved manner, the arm of the valve spring compressor is fixed on the movable frame, the valve spring compressor is vertically connected with the arm of force of the valve spring compressor, the locking plate placing device is embedded in the valve spring compressor; two air valves with control handles are arranged on the side face of a shell of an air valve control box fixed on the fixing plate, a barometer is arranged between the joints of the air valve and the air cylinder; and the air valve head pad is arranged on the bottom plate. By adopting the invention, the locking plate of the cylinder cover can be mounted and dismounted with less time, less labor, precise operation and high efficiency.

The invention discloses a special glass fiber reinforced plastic panel material of an electric cabinet. The panel material is manufactured by using the following raw materials in parts by weight: 30-35 parts of epoxy acrylic resin, 30-40 parts of glass fiber, 3-5 parts of furane resin adhesive, 2-4 parts of polytetrafluoroethylene, 0.1-0.3 part of graphite powder, 1-2 parts of curing agent and 2-4 parts of titanium dioxide powder. The special glass fiber reinforced plastic panel material has the technical effects that the manufactured panel material is small in density, light in weight, high in hardness, good in toughness, good in electric insulation, good in fire resistance, corrosion resistance, abrasive resistance and antistatic capability, time-saving and labor-saving to mount, safe and reliable; the service life of the electric cabinet is prolonged.

The invention discloses a solar photovoltaic panel fixing structure. The structure comprises a bottom plate, a support block is fixedly connected with the top center point of the bottom plate; a mounting plate is fixedly connected with the top of the support block; clamping grooves are formed in both the left and right sides of the mounting plate; sliding rails are fixedly connected with the sides, close to each other, of the inner walls of the two clamping grooves; sliding blocks are glidingly connected with the surfaces of the sliding rails; the tops of the sliding blocks penetrate through the clamping grooves and extend to the external parts of the clamping grooves; and the bottoms of the sliding blocks penetrate through the clamping grooves and extend to the external parts of the clamping grooves. Through the matching of the mounting plate, the clamping grooves, the sliding rails, the sliding blocks, a first threaded rod, a second threaded rod, a connection block, a rotation ring,a rotating groove, a fixed plate, a clamping threaded rod, a sliding chute, a sliding rod, a movable block, a movable plate and a limiting groove, the process of mounting photovoltaic panels by the solar photovoltaic panel fixing structure is simple, and the mounting process is time-saving and labor-saving, so that the work load of the workers is greatly lightened and great convenience is broughtto the workers.

The invention belongs to the field of liquid crystal display, and more particularly, relates to a liquid crystal display device and a backlight module. The liquid crystal display device comprises a middle frame, a back plate and a liquid crystal display panel, wherein the liquid crystal display panel is arranged on the supporting face of the middle frame, and the middle frame comprises a plurality of component units with a spacing therebetween; the liquid crystal display device further comprises supporting members for aiding in supporting the liquid crystal display panel, wherein a hook is arranged on each of the supporting members, the supporting member is suspended on the sidewall of the back plate through the hook and is located between every two adjacent component units, and the supporting faces of the supporting members are flush with the supporting face of the middle frame. In the liquid crystal display device provided with the supporting members for the liquid crystal display panel, one supporting member can be placed between two adjacent component units when the spacing between the two component units is large, so a more uniform supporting force is applied to the liquid crystal display panel to prevent too much local stress.

The invention provides a sunroof windshield mounting station tooling device. The sunroof windshield mounting station tooling device comprises an operation table, sunroof windshield supports, windshield positioning blocks, slide rail supports and quick clamps. Using the sunroof windshield mounting station tooling device can greatly improve sunroof windshield mounting efficiency, production efficiency is greatly improved, and accordingly production cost is lowered.

The invention provides equipment for assembling a front valve and a rear valve of a mechanism of a diaphragm gas meter, and belongs to the technical field of gas meters. The equipment comprises a base, a press-fit mechanism and a slipping mechanism, the press-fit mechanism is installed to the base, and the output end of the press-fit mechanism can slide in a reciprocating mode relative to the base in the direction perpendicular to the base; the slipping mechanism is installed to the base and provided with a spacer, and the slipping mechanism can slide relative to the base towards the press-fit mechanism to enable the spacer to be located below the output end of the press-fit mechanism; a positioning assembly used for fixing a mechanism assembly of the gas meter is installed on the slipping mechanism. The equipment for assembling the front valve and the rear valve is convenient and rapid to operate; in the use process, the spacer can be conveniently arranged below the front valve and the rear valve, a gland and a vertical shaft can be installed on the mechanism of the gas meter simultaneously, installation is more convenient, the time and labor are saved during operation, and the installation efficiency is improved.

The present invention discloses a bridge warning device convenient to mount and dismount. The device comprises a mounting base and a warning unit. The right side wall of the mounting base is provided with a groove in matched connection with the warning unit. The right side wall of the mounting base is provided with handle grooves above and below the above groove and at an equal distance from the above groove. The upper end wall and the lower end wall of the warning unit are provided with handles capable of being accommodated inside the handle grooves. On the left side of the groove, the mounting base is internally provided with a first sliding cavity and a second sliding cavity, wherein the first sliding cavity and the second sliding cavity are equivalently arranged up and down. Between the first sliding cavity and the second sliding cavity, the mounting base is internally provided with an unlocking sliding cavity. A run-through connection groove configured to run through the unlocking sliding cavity is arranged between the left bottom of the first sliding cavity and the left top of the second sliding cavity. The right bottom of the first sliding cavity and the right bottom of the second sliding cavity are provided with downwardly-extending locking grooves. The bridge warning device is simple in structure, time-saving and labor-saving in installation and convenient to maintain.

The invention relates to a quick disassembling and assembling type special-shaped column frame plate type support structure system and a construction method thereof, the structure system comprises atleast one unit main body structure, the unit main body structure comprises a four-way adjustable connecting support, a beam frame, a composite structure floor, a thin-wall special-shaped column, a unit wall, a lightweight triangular roof truss, a roof ridge clamping groove and a roof panel. The support and the beam frame are mounted according to modular design, modular design processing is performed, at the same time, a corresponding connection node is designed in each node, connection can be performed through a simple bolt, insertion-connection structures between the wall and the beam frame and between the wall and the column are designed, the overall mounting process realizes instrumentalization, no field welding is needed, the mounting saves both time and labor, instrumentalized quick mounting can be realized and the turnover times are high.

The invention provides a bamboo tube slicing device for bamboo floor production and processing, and belongs to the technical field of bamboo tube slicing devices. The bamboo tube slicing device for the bamboo floor production and processing aims at solving the problem that when an existing bamboo tube slicing device is used for slicing a bamboo tube, the bamboo tube usually needs to be manually installed between a slicing cutter and a driving piece, and automatic discharging operation cannot be achieved, and comprises a rack, wherein a discharging mechanism is installed on the upper portion ofthe rear side of the rack and comprises a discharging hopper, a servo motor and a discharging rotating block, and the servo motor is installed at a discharging opening of the discharging hopper. In arightward moving process of the driving piece, a circular plate at the right end of a pressing piece presses a button of a control switch, the servo motor is started, a rotating shaft of the servo motor is controlled through a control box to drive a discharging rotating block to rotate by 180 degrees, the bamboo tube in a triangular groove in the discharging rotating block is driven into a supporting mechanism, therefore, automatic discharging operation can be achieved, and the convenience of the bamboo tube slicing device in use is improved.

The invention discloses a sling dedicated to wind power equipment. The sling comprises a sling gantry hanging bracket, a main frame and a clamping part, wherein the gantry hanging bracket is positioned at the top of the main frame; the clamping part is arranged on the main frame and comprises a switchable shape follow-up surface module, an upper compressing module and a jacking device; one end ofthe jacking device is fixedly connected with the main frame; the other end of the jacking device is movably connected with the switchable shape follow-up module; and the upper compressing module is positioned above the switchable shape follow-up module and is movably connected with the main frame. Compared with the traditional technology, the sling has the posture adjusting function and greatly improves compatibility of multiple postures in fan blade mounting.

The invention relates to a wind generating set, comprising an inner shaft and an outer shaft sleeving the inner shaft; a bearing assembly is arranged between the inner shaft and the outer shaft; the bearing assembly comprises an inner ring, an outer ring and a rolling assembly arranged between the inner ring and the outer ring; the inner ring is integrally formed on the inner shaft and / or the outer ring is integrally formed on the outer shaft. The inner ring and / or outer ring in the bearing are / is respectively integrally formed in the inner shaft and / or outer shaft, the structure of a main bearing is simplified and the main bearing is more timesaving and laborsaving to mount.

The invention relates to the field of architectural decoration, and provides a simple structure, convenient and fast wiring installation, time-saving and labor-saving, neat and consistent pavement, good quality integrated quick-installation wire slot and a method for wiring by using the quick-install wire slot to solve the problem of The cable laying process in the prior art is cumbersome, time-consuming and labor-intensive, and the cables are easy to come out and affect the normal construction. It includes the wall and the U-shaped slot base fixed on the wall surface. The U-shaped The opening of the U-shaped card slot base faces outward, and the elastic cable management ring is elastically clamped in the opening of the U-shaped card slot base. The cable is pressed into the notch, and the edge of the elastic cable management ring corresponding to one side of the cable press-in notch extends inward and elastically abuts against the corresponding elastic cable management ring on the other side of the cable press-in notch.

The invention relates to an extensible computer-room air conditioning system which comprises a refrigerant main pipe and an indoor unit module, wherein the indoor unit module is provided with at least two first insert slots and an indoor unit main pipe; the first insert slots are in insert-pull connection with an indoor unit, and the indoor unit main pipe is in fluid communication with the refrigerant main pipe; each first insert slot is provided with an indoor unit connector which is used for communicating a refrigerant pipe of the indoor unit inserted into the first insert slot with fluid in the indoor unit main pipe. By virtue of the extensible computer-room air conditioning system, the load of the air-conditioning system can be increased without halt of a computer room.

The invention discloses a hinge for installing a bridge cable tower and a method for installing the hinge. The hinge comprises a lower hinge seat, a hinge shaft and an upper hinge seat, wherein the upper hinge seat is connected with the lower hinge seat through the hinge shaft and can freely rotate relative to the lower hinge seat. The method comprises the following steps of: fixing the lower hinge seat; connecting the upper hinge seat and the lower hinge seat through a dummy shaft, and welding a cable tower ground first-section box body; and replacing the dummy shaft with the hinge shaft. The cable tower hinge is used for the whole vertical rotation of the cable tower, the lower hinge seat of the hinge is fixed on a lower hinge seat anchor plate, and the lower hinge seat anchor plate is welded and fixed with a steel tower basic section embedded into a concrete tower foundation; and the hinge shaft is manufactured by processing 40Cr steel and hardening and tempering, and lug plates of the upper hinge seat and the lower hinge seat are made of Q345B steel plates and are subjected to non-destructive flaw detection after being manufactured, so that the hinge shaft is safely stressed and reliably used in the whole vertical rotation process of the cable tower, guarantee is provided for the whole vertical rotation of the cable tower, the cable tower is installed in a time-saving and labor-saving mode, and installation accuracy is high.

The invention discloses a device for aligning the concentricity and carrying out automatic welding during planted pile butt joint. The device comprises a round guide rail, a welding gun frame arrangedon the round guide rail in a running fit manner, and a welding gun mounted on the welding gun frame and further comprises a pair of first pile holding arms, a pair of second pile holding arms and tworotary motors mounted on a rack. The first pile holding arms and the second pile holding arms are symmetrically arranged and synchronously act. An output shaft of each rotary motor is fixed to the swing end of a respective swing arm, and respective supporting frames are hinged to the pile holding ends of the swing arms. Structures for allowing upper piles and lower piles to automatically align the concentricity when the upper piles fall off are arranged on the supporting frames. The pile holding ends of the swing arms are further connected with arc-shaped plates abutting against the butt joint positions of the upper pile and the lower piles through elastic devices. Semi-circular guide rails are fixed to the two arc-shaped plates, and after the two arc-shaped plates hold the piles, the twosemi-circular guide rails form a round guide rail. According to the device for aligning the concentricity and carrying out automatic welding during planted pile butt joint, the upper piles and the lower piles connected end to end can be automatically aligned, and the device can be automatically mounted at the butt joint positions of the piles.