CN111453058A

CN111453058A - Steel pipe stacking, bundling and conveying device with adjustable rigidity and damping and working method

Info

Publication number: CN111453058A
Application number: CN202010308230.XA
Authority: CN
Inventors: 李松梅; 李新贺; 许婷
Original assignee: Qingdao University of Science and Technology
Current assignee: Qingdao University of Science and Technology
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2020-07-28

Abstract

The invention discloses a working method of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping, which comprises the following steps: the ground rail, the conveying mechanism, the code arranging mechanism and the bundling mechanism; the ground rail is arranged on a ground foundation through foundation bolts; the conveying mechanism is arranged in a longitudinal rail groove of the ground rail; the stacking mechanism is arranged on a ground foundation through foundation bolts; the bundling mechanism is arranged in a transverse rail groove of the ground rail; the steel pipe stacking mechanism stacks the steel pipes in a blanking groove of the conveying mechanism, then the bundling mechanism moves to the left to work, the conveying mechanism moves back and forth, two ends of the stacked steel pipes are respectively sent to a front bundling machine and a rear bundling machine to be bundled, after the bundling is completed, the bundling mechanism moves to the right to reset, the conveying mechanism moves forward in a track groove of the ground track, and the bundled steel pipes are conveyed to a designated position.

Description

Steel pipe stacking, bundling and conveying device with adjustable rigidity and damping and working method

Technical Field

The invention relates to a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping and a working method.

Background

At present, the pace of infrastructure of China is continuously accelerated, and the demand for steel pipes is increasing day by day. However, the conventional steel pipe binding apparatus cannot simultaneously stack, bind and transport steel pipes, and often requires a complicated process and a large amount of labor. Meanwhile, in the stacking process of the steel pipes, due to the fact that the weight of the steel pipes is increased, the collision damage to the surfaces of the steel pipes can be caused by impact, and a device capable of buffering and realizing maximum automation is urgently needed in the market. Therefore, it is very important to design a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping and a working method thereof.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping and a technical scheme of a working method.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the invention discloses a steel pipe stacking, bundling and conveying device with adjustable rigidity damping and a working method, wherein the steel pipe stacking, bundling and conveying device comprises: the ground rail, the conveying mechanism, the code arranging mechanism and the bundling mechanism; the ground rail is arranged on a ground foundation through foundation bolts; the conveying mechanism is arranged in a longitudinal rail groove of the ground rail; the stacking mechanism is arranged on a ground foundation through foundation bolts; the bundling mechanism is arranged in a transverse rail groove of the ground rail; the steel pipe stacking mechanism stacks the steel pipes in a blanking groove of the conveying mechanism, then the bundling mechanism moves to the left to be in a working position, the conveying mechanism moves back and forth, two ends of the stacked steel pipes are respectively sent to a front bundling machine and a rear bundling machine to be bundled, after the bundling is finished, the bundling mechanism moves to the right to be reset, the conveying mechanism moves forward in a track groove of the ground track, and the bundled steel pipes are conveyed to a designated position; the ground rail includes: longitudinal rails, transverse rails; the cross section of each longitudinal rail is concave, countersunk through holes are processed in the rail grooves, and the two longitudinal rails are fixed on a ground foundation through foundation bolts according to a certain distance; the cross section of the transverse track is concave, a countersunk through hole is processed in the track groove, and the transverse track is connected with the longitudinal track in a welding mode and is fixed on the ground foundation through foundation bolts.

Further, the carrying mechanism includes: the device comprises a base, universal wheels, a transmission shaft I, rollers, a motor I, an oil-gas spring device, a charging chute, a conveying belt and a motor II; the base is formed by welding and is a rectangular frame, a through hole is processed on each right angle, a motor mounting frame and two support frames are welded on the bottom surface, four sliding grooves and two connecting lugs are welded on the top surface, the sliding grooves are welded at two ends of a long edge, the two sliding grooves are in a group, the notches are opposite, and the connecting lugs are welded at the middle part of a short edge; the universal wheel is installed in the through hole of the base through a rolling bearing, a brake pad is installed on the inner side of the universal wheel, and the conveying device is braked by controlling calipers; the transmission shaft I is arranged on a support frame on the bottom surface of the base through a rolling bearing; the two rollers are respectively mounted at two ends of the transmission shaft I through key connection; the motor I is connected and installed on a motor installation frame of the base through a bolt; the hydro-pneumatic spring device comprises two hydro-pneumatic spring devices, two connecting lugs are respectively processed at two ends of each hydro-pneumatic spring device, and the connecting lugs at the bottom ends of the hydro-pneumatic spring devices are arranged on the connecting lugs on the top surfaces of the short edges of the base in a hinged mode; the hydro-pneumatic spring device is characterized in that the whole of the blanking groove is in a V shape, two cuboid mounting columns are welded on the side wall of each side, pulleys are mounted at the heads of the mounting columns, a rectangular notch is machined at the bottom of each mounting column, three through holes are bored at equal intervals from the side, a roller is mounted in each through hole, connecting lugs are machined at two ends of each through hole, a motor mounting table is welded in the middle of each through hole, the pulleys on the blanking groove are mounted in a sliding groove of the base to achieve guiding of the hydro-pneumatic spring device, and the connecting lugs at the bottom of the base are connected with the hydro-pneumatic spring device in a hinged; the conveying belt is arranged on a roller at the bottom of the blanking slot; the motor II is arranged on a motor mounting table in the middle of the charging chute and is connected with a middle roller through belt transmission; during operation, the hydro-pneumatic spring device cushions and supports, and after the steel pipe is piled up to be tied up and is accomplished, motor I drives transport mechanism is in advance in the ground rail, after transporting the setpoint position, motor II drives the conveying belt rotates, unloads.

Further, the hydro-pneumatic spring device comprises: the device comprises a main cylinder, a cavity cylinder, a sliding cylinder and an auxiliary cylinder; the main cylinder is formed by casting, is integrally cylindrical, the top of the main cylinder is provided with a connecting lug and two threaded through holes, the bottom of the main cylinder is provided with a section of internal thread, the connecting lug at the top of the main cylinder is arranged on the connecting lug at the bottom of the blanking groove in a hinged mode, and the threaded through hole at the top is connected with a damping valve and an overflow valve through threads; the cavity cylinder is formed by casting, the whole cavity cylinder is cylindrical, a section of internal thread is processed at the bottom of the cavity cylinder, the piston head at the top end of the cavity cylinder is installed in the main cylinder and is subjected to displacement limiting and sealing in the vertical direction through the threaded end cover and the sealing ring, the piston head at the top end of the cavity cylinder and the main cylinder form a sealed space with a variable volume, and the sealed space is an oil storage chamber; the sliding cylinder is formed by casting and processing, the sliding cylinder is integrally cylindrical, the top end of the sliding cylinder is provided with a piston head with a damping valve and an overflow valve in a threaded connection mode, the middle of the sliding cylinder is provided with a floating piston, a cavity of the sliding cylinder is divided into two independent sealing chambers, the upper part of the cavity is provided with an oil storage chamber, the lower part of the cavity is provided with an air storage chamber, the bottom of the cavity is provided with a connecting lug in a processing mode, the piston head at the top end of the sliding cylinder is arranged in the cavity cylinder and is subjected to displacement limiting and sealing in the vertical direction through a threaded end cover; the auxiliary cylinder is formed by casting, the whole cylinder is cylindrical, two threaded through holes are processed at the top, the auxiliary cylinder is connected with a damping valve and an overflow valve which are arranged on the main cylinder through an oil conveying pipe, a floating piston is arranged in the middle, a cavity of the auxiliary cylinder is divided into two independent sealed chambers, an oil storage chamber is arranged at the upper part, an air storage chamber is arranged at the lower part, a section of internal thread is processed at the bottom end, a sealing end cover is connected and arranged through threads, the oil-gas spring device is a double-cylinder two-stroke type, the auxiliary cylinder and the sliding cylinder contain two air chambers with different pressure intensities, when the impact is small, the low-pressure air chamber of the sliding cylinder buffers, a small-hole damping valve and an overflow valve which are arranged on the sliding cylinder play a damping role, when the impact is large, the high-pressure air chamber of the auxiliary cylinder participates in working for buffering, and a large, the hydro-pneumatic spring device can realize different buffering and damping according to different impact forces, and has two strokes, and the stroke distance is larger than that of the hydro-pneumatic spring device.

Further, the code arranging mechanism includes: the device comprises a frame, a gear rack transmission device, a mounting rack I, a hydraulic rod, a mounting rack II, a clamp and a motor III; the frame is formed by welding, the whole frame is in a cuboid shape, T-shaped grooves are respectively formed in two cross beams at the top, a cross beam and a longitudinal beam are respectively welded at the top, fixing support legs are respectively welded at the bottoms of four support columns in the vertical direction, and the frame is fixed on a ground foundation through foundation bolts; countersunk holes are processed at two ends of the rack driven by the gear rack and are connected and installed on a cross beam in the middle of the top of the frame through bolts; the mounting frame I is integrally a cuboid, a T-shaped sliding block and a circular mounting end face are respectively machined at two ends of the mounting frame I, four through holes are uniformly machined in each circular mounting end face, a motor mounting table is machined in the middle of each circular mounting end face, and the T-shaped sliding blocks at the two ends of the mounting frame I are mounted in a T-shaped groove of a top cross beam of the frame; two hydraulic rods are arranged and are respectively connected and installed on the round installation end surface of the installation rack I through bolts; the mounting frame II is integrally a cuboid, two through holes and a mounting ring are respectively processed at two ends of the mounting frame II, and the mounting ring on the mounting frame II is mounted on the push rod of the hydraulic rod in an interference fit manner; the clamp is provided with two sets, the whole clamp is cuboid, five through holes are machined on the end face at equal intervals, four threaded holes are uniformly machined around each through hole, a small hydraulic push rod is installed in each through hole through bolt connection, a T-shaped frame is welded on one long end face parallel to the small hydraulic push rod, two ends of the T-shaped frame are respectively machined with one through hole, and the T-shaped frames of the clamp are fixedly installed at two ends of the installation frame II through bolt connection; the motor III is installed on a motor installation table of the installation rack I through bolt connection, and an output shaft of the motor III is connected with a gear driven by the gear rack for transmission; when the steel pipe conveying device works, the hydraulic rod extends to enable the clamp to move downwards to a plane with the same height as the steel pipe, then a small hydraulic push rod in the clamp extends into the hollow center of the steel pipe, the hydraulic rod contracts, meanwhile, the motor III rotates to enable the clamp with the steel pipe to move to the left above a blanking groove of the conveying mechanism, then the hydraulic rod extends again to enable the clamp to move downwards to a proper position above the blanking groove of the conveying mechanism, and then the small hydraulic push rod in the clamp contracts to enable the steel pipe to be stacked in the blanking groove of the conveying mechanism.

Further, the strapping mechanism includes: the device comprises a chassis, a frame structure, a belt conveying device, a pushing device, a steel belt head clamping device, a shearing device, a steel belt groove, a steel coil frame and a welding gun; the whole chassis is in a cuboid shape, the bottom of the chassis is provided with a driving wheel, and the chassis is arranged in a transverse rail of the ground rail; the frame structure is formed by welding, the whole frame structure is a cuboid, a motor mounting table and a driving wheel mounting frame are welded in the middle of the frame structure, and the frame structure is mounted in the chassis through bolt connection; the belt feeding device is arranged on the left side of the middle part of the frame structure; the pushing device is arranged on the right side of the middle part of the frame structure; the belt head clamping device is arranged on the left side of the top of the frame structure; the shearing device is arranged on the right side of the top of the frame structure; the steel belt groove is annular and is arranged at the upper part of the frame structure, and the belt conveying device drives the steel belt to advance in the steel belt groove; the steel coil frame is welded on the frame structure; when the steel band bundling machine works, the steel band head clamping device clamps one end of a steel band, the pushing device pushes the steel band tightly, two ends of the pushed steel band are welded through the welding gun, and the shearing device shears the welded steel band to complete a bundling process.

Further, the chassis includes: the device comprises a base frame, a transmission shaft II, a hub and a motor IV; the base frame is formed by welding, a rectangular fixed side groove is formed in the upper portion of the base frame, four support frames and a motor mounting table are welded at the bottom of the base frame, and the two support frames form a group; two transmission shafts II are arranged in the two groups of support frames through rolling bearings respectively; the four wheel hubs are respectively arranged at two ends of the transmission shaft II; the motor IV is arranged on a motor mounting table of the chassis frame; the motor IV drives the hub to rotate through the transmission shaft II, so that the binding mechanism moves left and right, the binding mechanism moves left, then the conveying mechanism moves back and forth, the stacked steel pipes are respectively conveyed into the front binding mechanism and the rear binding mechanism, two ends of the steel pipes are bound, and after the binding is finished, the binding mechanism moves right and is withdrawn, so that the conveying mechanism conveys the bound steel pipes to a specified position along a longitudinal ground rail.

Further, the tape feeding device includes: the device comprises a bearing seat, a roller, a constant speed gear box, an intermittent rotating gear and a servo motor I; the two bearing blocks are symmetrically arranged on the mounting rack in the middle of the frame structure through bolt connection and are used for supporting the roller; the two rollers are provided, the surfaces of the rollers are processed with rubber with patterns, the friction force of the steel belt during conveying is increased, and the rollers are respectively arranged in the bearing seat and the constant speed gearbox through bearings to support and drive the same; the constant speed gear box is installed on the frame structure through bolt connection; the outer circle of the driving wheel of the intermittent rotary gear is provided with gear teeth and a smooth cylindrical surface, the arc sector angle for processing the gear teeth is sixty degrees, the arc sector angle for processing the smooth cylindrical surface is three hundred degrees, the center is provided with a through hole and is arranged on the servo motor I through key connection, the outer circle of the driven wheel is provided with the gear teeth and four evenly distributed locking arcs, the center is provided with the through hole and is arranged on the constant speed gear box through key connection, the gear teeth on the driven wheel are the same as and meshed with the gear teeth on the driving wheel, the radius of the four locking arcs is the same as that of the smooth cylindrical surface on the driving wheel, the locking arcs are mutually matched with the smooth cylindrical surface on the driving wheel, when the constant speed gear box rotates, the gear teeth on the driving wheel are meshed with the gear teeth on the driven wheel, the driven wheel is provided with four locking arcs, the driving wheel rotates for one circle to drive the driven wheel to rotate for one quarter of a circle, the arc sector angle of the smooth cylindrical surface on the driving wheel is five times of the arc sector angle of the gear teeth, so that the idle time is five times of the transmission time, when the idle time is up, the conveying mechanism conveys away the bundled reinforcing steel bars, the next conveying mechanism moves to the lower part of the stacking mechanism to start stacking, and the bundled reinforcing steel bars are conveyed into the bundling mechanism after stacking; the servo motor I is arranged on a motor mounting table in the middle of the frame structure through a bolt; when the servo motor I works, the servo motor I drives the two rollers to rotate at a constant speed through the intermittent rotating gear and the constant speed gear box, and the steel belt clamped in the two rollers advances under the driving of the servo motor I.

Further, the pushing device comprises: the ejection head comprises an ejection head rack, a gear I, a servo motor II and a supporting wheel; a triangular top head is processed at the top of the top head rack and is arranged in a vertical sliding groove in the middle of the frame structure; the gear I is mounted on a mounting frame in the middle of the frame structure through a bearing seat; the servo motor II is arranged on a motor mounting table in the middle of the frame structure and is connected with the gear I through a sleeve coupler; the supporting wheels are connected and installed on the frame structure through bolts; the servo motor II drives the ejector rack to ascend through the gear I and drives the supporting wheel to advance so as to push the steel belt tightly.

Further, the steel strip head clamping device comprises: a screw rod sliding block, a clamp and a servo motor III; the screw rod sliding block is arranged on the left side of the upper part of the frame structure through a bolt; the fixed end of the clamp is fixed at the end part of the base of the screw rod sliding block, the movable end of the clamp is fixedly arranged at the top of the sliding block of the screw rod sliding block through a bolt, and the sliding block is connected with the linear guide rail at the bottom; the servo motor III is connected with a screw rod of the screw rod sliding block through a sleeve coupling; the servo motor III drives the screw rod sliding block to realize linear motion of the clamp on the guide rail so as to clamp the extending end of one end of the steel belt.

Further, the cutting apparatus includes: the cutting knife, the sliding cutting knife, the servo motor IV, the driving wheel and the push rod are arranged on the cutting knife; the cutter is connected and installed on the frame structure through a bolt; a connecting lug is processed at the center of the bottom surface of the sliding cutter and is arranged in a horizontal sliding groove at the upper part of the frame structure; the servo motor is arranged on a motor mounting table at the upper part of the frame structure; the transmission wheel is arranged on the frame structure through a bearing seat and is connected with the servo motor IV through a sleeve coupling; the push rod is integrally in a cuboid shape, connecting lugs are processed at two ends of the push rod, a cuboid empty groove is processed in the middle of the push rod, and the connecting lugs at the two ends are respectively connected to the sliding cutter and the frame structure in a hinged mode; when the steel belt shearing machine works, the servo motor IV drives the sliding rack to move left and right through the transmission wheel and the push rod, and the cutter and the sliding cutter shear a steel belt.

Further, the working method of the steel pipe stacking, bundling and conveying device with adjustable rigidity and damping comprises the following steps: when the steel strip stacking and binding device works, the conveying mechanism moves forwards in the ground rail to the position below the stacking mechanism, a clamp of the stacking mechanism clamps and takes a steel tube, the clamped steel tube is conveyed to the position above a blanking groove of the conveying mechanism through the driving of the motor III, a hydraulic rod of the stacking mechanism extends to convey the steel tube into the blanking groove, after stacking is completed, the binding mechanism moves rightwards in a transverse rail groove of the ground rail, then the conveying mechanism moves forwards and backwards, two ends of a stacked steel tube stack are respectively conveyed into the two binding mechanisms, then a servo motor I of the binding mechanism drives the two rollers to rotate at a constant speed through the gear box, a steel strip clamped in the two rollers advances under the driving of the steel strip, and after the steel strip reaches the clamping device, the servo motor III drives the screw rod slide block to realize linear motion of the clamp on the guide rail to clamp the extending end of one end of the steel strip, after clamping, a servo motor II of the pushing device drives the ejector rack to ascend through the gear I to drive the supporting wheel to advance so as to push the steel strip tightly, the welding gun welds the steel strip after pushing tightly, a servo motor IV of the shearing device drives the sliding rack to move left and right through the driving wheel and the push rod after welding is completed, and the cutter and the sliding cutter shear the steel strip; after the bundling is finished, the bundling mechanism moves to the left, and then the conveying mechanism conveys the bundled steel pipe stack to a specified position.

Drawings

FIG. 1: the structural schematic diagram of the steel pipe stacking, bundling and conveying device with adjustable rigidity and damping is disclosed;

FIG. 2: the invention relates to a ground rail of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 3: the invention relates to a conveying mechanism of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 4: the invention relates to a blanking chute of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 5: the invention relates to an oil-gas spring device of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 6: the invention relates to a planing surface diagram of a hydro-pneumatic spring device of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 7: the invention relates to a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 8: the invention relates to a clamp of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 9: the invention relates to a bundling mechanism of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 10: the invention relates to a cross section of a bundling mechanism of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 11: the chassis of the steel pipe stacking, bundling and conveying device with adjustable rigidity and damping is disclosed by the invention;

FIG. 12: the invention relates to a belt conveying device of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 13: the invention relates to a pushing device of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 14: the invention relates to a steel strip head clamping device of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

FIG. 15: the invention relates to a shearing device of a steel pipe stacking, bundling and conveying device with adjustable rigidity and damping;

in the figure: 1-ground rail, 11-longitudinal rail, 12-transverse rail, 2-conveying mechanism, 21-base, 22-universal wheel, 23-transmission shaft I, 24-roller, 25-motor I, 26-hydro-pneumatic spring device, 261-main cylinder, 262-cavity cylinder 263-sliding cylinder, 264-auxiliary cylinder, 27-blanking groove, 28-conveying belt, 29-motor II, 3-stacking mechanism, 31-frame, 32-gear rack transmission, 33-mounting frame I, 34-hydraulic rod 35-mounting frame II, 36-clamp, 37-motor III, 4-bundling mechanism, 41-base plate, 411-base frame, 412-transmission shaft II, 413-hub 414, motor IV, 42-frame structure, 43-belt feeding device, 431-bearing seat, 432-roller, 433-constant speed gear box, 434-intermittent rotating gear, 435-servo motor I, 44-pushing device, 441-top rack, 442-gear I, 443-servo motor II, 444-supporting wheel, 45-steel belt head clamping device, 451-screw rod sliding block, 452-clamp, 453-servo motor III, 46-shearing device, 461-cutter, 462-sliding cutter, 463-servo motor IV, 464-driving wheel, 465-push rod, 47-steel belt groove, 48-steel coil frame and 49-welding gun.

Detailed Description

Specific implementations of the present invention are further described below in conjunction with the following figures.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15, a steel pipe stacking, bundling and conveying device with adjustable rigidity damping and a working method thereof comprise: the ground rail 1, the conveying mechanism 2, the stacking mechanism 3 and the bundling mechanism 4; the ground rail 1 is installed on a ground foundation through foundation bolts; the conveying mechanism 2 is arranged in a longitudinal rail groove of the ground rail 1; the stacking mechanism 3 is arranged on a ground foundation through foundation bolts; the bundling mechanism 4 is arranged in a transverse rail groove of the ground rail 1; the steel pipe stacking mechanism 3 stacks the steel pipes in a blanking groove of the conveying mechanism 2, then the bundling mechanism 4 moves to the left to be in a working position, the conveying mechanism 2 moves back and forth, two ends of the stacked steel pipes are respectively sent to a front bundling machine and a rear bundling machine to be bundled, after the bundling is finished, the bundling mechanism 4 moves to the right to be reset, the conveying mechanism 2 moves forward in a track groove of the ground track 1, and the bundled steel pipes are conveyed to a designated position; the ground rail 1 comprises: longitudinal rails 11, transverse rails 12; the section of the longitudinal rail 11 is concave, countersunk through holes are processed in the rail grooves, and the two longitudinal rails are fixed on a ground foundation through foundation bolts according to a certain distance; the cross section of the transverse rail 12 is concave, a countersunk through hole is processed in a rail groove, and the transverse rail 12 is connected with the longitudinal rail 11 through welding and is fixed on a ground foundation through foundation bolts; the conveyance mechanism 2 includes: the device comprises a base 21, a universal wheel 22, a transmission shaft I23, a roller 24, a motor I25, an oil-gas spring device 26, a charging chute 27, a conveying belt 28 and a motor II 29; the base 21 is formed by welding and is a rectangular frame, a through hole is formed in each right angle, a motor mounting frame and two support frames are welded on the bottom surface, four sliding grooves and two connecting lugs are welded on the top surface, the sliding grooves are welded at two ends of a long edge, the two sliding grooves are in a group, notches are opposite, and the connecting lugs are welded in the middle of a short edge; the universal wheel 22 is installed in a through hole of the base 21 through a rolling bearing, a brake pad is installed on the inner side of the universal wheel 22, and the brake of the conveying device 2 is realized through controlling calipers; the transmission shaft I23 is mounted on a support frame on the bottom surface of the base 21 through a rolling bearing; two rollers 24 are arranged at two ends of the transmission shaft I23 through key connection respectively; the motor I25 is mounted on a motor mounting rack of the base 21 through bolt connection; the number of the hydro-pneumatic spring devices 26 is two, two ends of each hydro-pneumatic spring device are respectively provided with a connecting lug, and the connecting lug at the bottom end is arranged on the connecting lug on the top surface of the short side of the base 21 in a hinged mode; the whole charging chute 27 is in a V shape, two cuboid mounting columns are welded on the side wall of each side, pulleys are mounted at the heads of the mounting columns, a rectangular notch is formed in the bottom of each mounting column, three through holes are bored in the side face at equal intervals, a roller is mounted in each through hole, connecting lugs are processed at two ends of each through hole, a motor mounting table is welded in the middle of each through hole, the pulleys on the charging chute 27 are mounted in sliding grooves of the base 21 to achieve guiding of the hydro-pneumatic spring device 26, and the connecting lugs at the bottom of the base 21 are connected with the hydro-pneumatic spring device 26 in a hinged mode; the conveying belt 28 is arranged on a roller at the bottom of the charging chute 27; the motor II29 is arranged on a motor mounting table in the middle of the charging chute 27 and is connected with a roller in the middle through belt transmission; during work, the hydro-pneumatic spring device 26 performs buffering and supporting, after steel pipes are stacked and bundled, the motor I25 drives the conveying mechanism 2 to advance in the ground rail 1, and after the steel pipes are conveyed to a fixed position, the motor II29 drives the conveying belt 28 to rotate for unloading; the hydro-pneumatic spring assembly 26 includes: a main cylinder 261, a cavity cylinder 262, a sliding cylinder 263, and a sub-cylinder 264; the main cylinder 261 is formed by casting, is integrally cylindrical, is provided with a connecting lug and two threaded through holes at the top, is provided with a section of internal thread at the bottom, is mounted on the connecting lug at the bottom of the charging chute 27 in a hinged mode at the connecting lug at the top of the main cylinder 261, and is provided with a damping valve and an overflow valve through being connected to the threaded through holes at the top through threads; the cavity cylinder 262 is formed by casting, is integrally cylindrical, is provided with a section of internal thread at the bottom, the piston head at the top end of the cavity cylinder 262 is arranged in the main cylinder 261, and is used for displacement limiting and sealing in the vertical direction through a thread end cover and a sealing ring, and the piston head at the top end of the cavity cylinder 262 and the main cylinder 261 form a sealed space with variable volume, and the sealed space is an oil storage chamber; the sliding cylinder 263 is formed by casting and processing, the sliding cylinder 263 is cylindrical as a whole, the top end of the sliding cylinder 263 is provided with a piston head with a damping valve and an overflow valve in a threaded connection mode, the middle part of the sliding cylinder 263 is provided with a floating piston, a cavity of the sliding cylinder 263 is divided into two independent sealing chambers, the upper part of the cavity is provided with an oil storage chamber, the lower part of the cavity is provided with an air storage chamber, the bottom of the cavity is provided with a connecting lug in a processing mode, the piston head at the top end of the sliding cylinder 263 is arranged in the cavity cylinder 262, the vertical displacement limiting and sealing are carried out through a; the auxiliary cylinder 264 is formed by casting, the whole body is cylindrical, two thread through holes are processed at the top, the auxiliary cylinder 264 is connected with a damping valve and an overflow valve which are arranged on the main cylinder 261 through an oil pipeline, a floating piston is arranged at the middle part, the cavity of the auxiliary cylinder 264 is divided into two independent sealed chambers, the upper part is an oil storage chamber, the lower part is an air storage chamber, a section of internal thread is processed at the bottom end, a sealing end cover is arranged by thread connection, the oil-gas spring device 26 is a double-cylinder two-stroke type, the auxiliary cylinder 264 and the sliding cylinder 263 contain two air chambers with different pressures, when the impact is small, the low-pressure air chamber of the sliding cylinder 263 buffers, and the small-hole damping valve and the overflow valve which are arranged on the sliding cylinder 263 play a damping role, when the impact is large, the high-pressure air chamber of the auxiliary cylinder 264 participates in buffering role, and the large-hole damping valve and the, the hydro-pneumatic spring device 26 can realize different buffering and damping according to different impact forces, and has two strokes, wherein the stroke distance is larger than that of the hydro-pneumatic spring device; the code arranging mechanism 3 includes: the device comprises a frame 31, a gear rack transmission 32, a mounting rack I33, a hydraulic rod 34, a mounting rack II35, a clamp 36 and a motor III 37; the frame 31 is formed by welding, the whole frame is rectangular, T-shaped grooves are respectively formed in two cross beams at the top, a cross beam and a longitudinal beam are respectively welded at the top, fixing support legs are respectively welded at the bottoms of four support columns in the vertical direction, and the frame 31 is fixed on a ground foundation through foundation bolts; countersunk holes are processed at two ends of a rack of the gear rack transmission 32 and are connected and installed on a cross beam in the middle of the top of the frame 31 through bolts; the mounting frame I33 is integrally a cuboid, two ends of the mounting frame I33 are respectively provided with a T-shaped sliding block and a circular mounting end face, four through holes are uniformly distributed and processed on each circular mounting end face, the middle part of the mounting frame I33 is provided with a motor mounting table, and the T-shaped sliding blocks at the two ends of the mounting frame I33 are arranged in a T-shaped groove of a cross beam at the top of the frame 31; two hydraulic rods 34 are arranged and are respectively installed on the circular installation end face of the installation frame I33 through bolt connection; the mounting rack II35 is integrally a cuboid, two through holes and a mounting ring are respectively processed at two ends of the mounting rack II35, and the mounting ring on the mounting rack II35 is mounted on the push rod of the hydraulic rod 34 in an interference fit manner; the fixture 36 is provided with two sets, the whole fixture is cuboid, five through holes are machined on the end face at equal intervals, four threaded holes are uniformly machined around each through hole, a small hydraulic push rod is installed in each through hole through bolt connection, a T-shaped frame is welded on one long end face parallel to the small hydraulic push rod, two through holes are respectively machined at two ends of the T-shaped frame, and the T-shaped frame of the fixture 36 is fixedly installed at two ends of the installation frame II35 through bolt connection; the motor III37 is installed on a motor installation table of the installation frame I33 through bolt connection, and an output shaft of the motor III37 is in transmission connection with a gear of the gear-rack transmission 32; in operation, the hydraulic rod 34 extends to move the clamp 36 downwards to a plane with the same height as the steel pipe, then the small hydraulic push rod in the clamp 36 extends into the hollow center of the steel pipe, the hydraulic rod 34 contracts, the motor III37 rotates at the same time, the clamp 36 with the steel pipe is moved to the left above the blanking groove 27 of the conveying mechanism 2, then the hydraulic rod 34 extends again to move the clamp 36 downwards to a proper position above the blanking groove 27 of the conveying mechanism 2, then the small hydraulic push rod in the clamp 36 contracts to stack the steel pipe in the blanking groove 27 of the conveying mechanism 2; the binding mechanism 4 includes: a chassis 41, a frame structure 42, a belt feeding device 43, a pushing device 44, a steel belt head clamping device 45, a shearing device 46, a steel belt groove 47, a steel coil frame 48 and a welding gun 49; the chassis 41 is integrally rectangular, the bottom of the chassis is provided with a driving wheel, and the chassis 41 is arranged in the transverse rail 12 of the ground rail 1; the frame structure 42 is formed by welding, is integrally a cuboid, is welded with a motor mounting platform and a driving wheel mounting rack in the middle, and is mounted in the chassis 41 through bolt connection; the tape feeding device 43 is installed at the left side of the middle of the frame structure 42; the pushing device 44 is arranged at the right side of the middle part of the frame structure 42; the headed clamping means 45 is mounted to the left of the top of the frame structure 42; the cutting device 46 is mounted to the right of the top of the frame structure 42; the steel belt groove 47 is of a circular ring shape and is mounted at the upper part of the frame structure 42, and the belt feeding device 43 drives the steel belt to advance in the steel belt groove 47; the steel coil brackets 48 are welded to the frame structure 42; during operation, the steel strip head clamping device 45 clamps one end of the steel strip, the pushing device 44 pushes the steel strip tightly, two ends of the pushed steel strip are welded by the welding gun 49, and the shearing device 46 shears the welded steel strip to complete a bundling process; the chassis 41 includes: a base frame 411, a transmission shaft II412, a hub 413 and a motor IV 414; the base frame 411 is formed by welding, a rectangular fixed side groove is formed in the upper portion of the base frame, four support frames and a motor mounting table are welded at the bottom of the base frame, and the two support frames form a group; two transmission shafts II412 are arranged in the two groups of support frames through rolling bearings respectively; four hubs 413 are arranged at two ends of the transmission shaft II412 respectively; the motor IV414 is mounted on a motor mounting table of the chassis frame 411; the motor IV414 drives the hub 413 to rotate through the transmission shaft II412, so that the binding mechanism 4 moves left and right, the binding mechanism 4 moves left, then the conveying mechanism 2 moves back and forth, the stacked steel pipes are respectively conveyed into the front binding mechanism 4 and the rear binding mechanism 4, two ends of the steel pipes are bound, and after the binding is finished, the binding mechanism 4 moves right and exits, so that the conveying mechanism 2 conveys the bound steel pipes to a specified position along a longitudinal ground rail; the tape feeding device 43 includes: a bearing seat 431, a roller 432, a constant speed gear box 433, an intermittent rotary gear 434 and a servo motor I435; two bearing blocks 431 are symmetrically mounted on the mounting rack in the middle of the frame structure 42 through bolt connection and are used for supporting the rollers 432; the two rollers 432 are provided, the surfaces of the rollers are processed with rubber with patterns, the friction force of the steel belt during conveying is increased, and the rollers are respectively arranged in the bearing seat 431 and the constant speed gear box 433 through bearings to support and drive the rollers; the constant speed gear box 433 is mounted on the frame structure 42 by bolting; the outer circle of the driving wheel of the intermittent rotary gear 434 is provided with gear teeth and a smooth cylindrical surface, the arc sector angle for processing the gear teeth is sixty degrees, the arc sector angle for processing the smooth cylindrical surface is three hundred degrees, the center is provided with a through hole and is arranged on the servo motor I435 through key connection, the outer circle of the driven wheel is provided with gear teeth and four locking arcs which are uniformly distributed, the center is provided with a through hole and is arranged on the constant speed gear box 433 through key connection, the gear teeth on the driven wheel are the same as and are meshed with the gear teeth on the driving wheel, the radius of the four locking arcs is the same as that of the smooth cylindrical surface on the driving wheel, the locking arcs are mutually matched with the smooth cylindrical surface on the driving wheel, when the intermittent rotary gear rotates, the gear teeth on the driving wheel are meshed with the gear teeth on the driven, the driven wheel has four locking arcs, the driving wheel rotates one circle to drive the driven wheel to rotate one quarter of a circle, the arc sector angle of the smooth cylindrical surface on the driving wheel is five times of the arc sector angle of the gear teeth, so the idle time is five times of the transmission time, when the idle time is up, the conveying mechanism 2 conveys away the bundled reinforcing steel bars, the next conveying mechanism 2 moves to the lower part of the stacking mechanism 3 to start stacking, and the steel bars are conveyed into the bundling mechanism 4 after stacking is finished; the servo motor I435 is mounted on a motor mounting table in the middle of the frame structure 42 through a bolt; in operation, the servo motor I435 drives the two rollers 432 to rotate at a constant speed through the intermittent rotary gear 434 and the constant speed gear box 433, and the steel belt clamped in the two rollers 432 advances under the drive of the two rollers 432; the pushing-tight device 44 includes: a top rack 441, a gear I442, a servo motor II443, a support wheel 444; a triangular top head is machined at the top of the top head rack 441 and is installed in a vertical sliding groove in the middle of the frame structure 42; the gear I442 is mounted on a mounting frame in the middle of the frame structure 42 through a bearing seat; the servo motor II443 is installed on a motor installation table in the middle of the frame structure 42 and is connected with the gear I442 through a sleeve coupling; the support wheels 444 are mounted on the frame structure 42 by bolting; the servo motor II443 drives the top rack 441 to ascend through the gear I442, and drives the supporting wheel 444 to advance so as to push the steel belt tightly; the steel strip head clamping device 45 includes: a screw rod slide block 451, a clamp 452 and a servo motor III 453; the screw rod sliding block 451 is installed on the left side of the upper part of the frame structure 42 through a bolt; the fixed end of the clamp 452 is fixed at the end part of the base of the screw rod sliding block 451, the movable end of the clamp 452 is fixedly arranged at the top of the sliding block of the screw rod sliding block 451 through a bolt, and the sliding block is connected with a linear guide rail at the bottom; the servo motor III453 is connected with a screw rod of the screw rod sliding block 451 through a sleeve coupling; the servo motor III453 drives the screw rod slide block 451 to realize linear motion of the clamp 452 on the guide rail so as to clamp the extending end of one end of the steel belt; the cutting device 46 includes: a cutter 461, a sliding cutter 462, a servo motor IV463, a transmission wheel 464 and a push rod 465; the cutter 461 is mounted on the frame structure 42 by a bolt; a connecting lug is processed at the center of the bottom surface of the sliding cutter 462 and is arranged in a horizontal sliding groove at the upper part of the frame structure 42; the servo motor 464 is mounted on a motor mounting table on the upper portion of the frame structure 42; the driving wheel 464 is arranged on the frame structure 42 through a bearing seat and is connected with the servo motor IV463 through a sleeve coupler; the push rod 465 is integrally in a cuboid shape, connecting lugs are processed at two ends, a cuboid empty slot is processed in the middle, and the connecting lugs at the two ends are respectively connected to the sliding cutter 462 and the frame structure 42 in a hinged mode; when the steel strip shearing machine works, the servo motor IV463 drives the sliding rack 462 to move left and right through the transmission wheel 464 and the push rod 465, and the cutter 461 and the sliding cutter 462 shear the steel strip.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, a working method of a steel pipe stacking, bundling and conveying device with adjustable rigidity damping comprises the following specific steps: installing the ground rail 1, the conveying mechanism 2, the stacking mechanism 3 and the bundling mechanism 4 according to relative positions; the aligning mechanism 3 starts to work, the hydraulic rod 34 extends to make the clamp 36 move downwards to a plane with the same height as the steel pipe, then the small hydraulic push rod in the clamp 36 extends into the hollow center of the steel pipe, the hydraulic rod 34 contracts, simultaneously the motor III37 rotates to make the clamp 36 with the steel pipe move to the left above the blanking groove 27 of the conveying mechanism 2, then the hydraulic rod 34 extends again to make the clamp 36 move downwards to a proper position above the blanking groove 27 of the conveying mechanism 2, then the small hydraulic push rod in the clamp 36 contracts to make the steel pipe be aligned in the blanking groove 27 of the conveying mechanism 2; the conveying mechanism 2 starts to work, the hydro-pneumatic spring device 26 performs buffering and supporting, after steel pipes are stacked, the motor I25 drives the conveying mechanism 2 to move back and forth in the ground rail 1, and two ends of the stacked steel pipes are sent into the bundling mechanism 4; the binding mechanism 4 starts to work, the motor IV414 drives the hub 413 to rotate through the transmission shaft II412, so that the binding mechanism 4 moves left and right, then the servo motor I433 drives the two rollers 432 to rotate at a constant speed through the constant speed gear box 433, a steel belt clamped between the two rollers 432 advances under the driving of the steel belt, and when the steel belt head reaches the steel belt head clamping device 45, the servo motor III453 drives the screw rod sliding block 451 to realize the linear motion of the clamp 452 on the guide rail so as to clamp the extending end of the steel belt head; the tightening device 44 starts to work, the servo motor II443 drives the top rack 441 to ascend through the gear I442, drives the supporting wheel 444 to advance so as to tighten the steel strip, and then the welding gun 49 welds the two ends of the tightened steel strip firmly; the cutting device 46 starts to work, the servo motor IV463 drives the sliding rack 462 to move left and right through the transmission wheel 464 and the push rod 465, the cutter 461 and the sliding cutter 462 cut the steel strip, and finally the conveying mechanism 2 conveys the bundled steel tube to a fixed point.

The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The steel pipe stacking, bundling and conveying device with adjustable rigidity and damping and the working method are characterized by comprising the following steps: the ground rail (1), the conveying mechanism (2), the stacking mechanism (3) and the bundling mechanism (4); the ground rail (1) is installed on a ground foundation through foundation bolts; the conveying mechanism (2) is arranged in a longitudinal rail groove of the ground rail (1); the stacking mechanism (3) is arranged on a ground foundation through foundation bolts; the bundling mechanism (4) is arranged in a transverse rail groove of the ground rail (1); the steel pipes are stacked in a blanking groove of the conveying mechanism (2) by the stacking mechanism (3), then the bundling mechanism (4) moves to the left to be at a working position, the conveying mechanism (2) moves back and forth, two ends of the stacked steel pipes are respectively conveyed into a front bundling machine and a rear bundling machine to be bundled, after the bundling is finished, the bundling mechanism (4) moves to the right to be reset, the conveying mechanism (2) moves forward in a track groove of the ground track (1), and the bundled steel pipes are conveyed to a designated position; the ground rail (1) comprises: a longitudinal rail (11), a transverse rail (12); the cross section of each longitudinal rail (11) is concave, countersunk through holes are processed in the rail grooves, and the two longitudinal rails are fixed on a ground foundation through foundation bolts at a certain interval; the cross section of the transverse track (12) is concave, a countersunk through hole is processed in the track groove, and the transverse track (12) is connected with the longitudinal track (11) through welding and is fixed on the ground foundation through foundation bolts.

2. The steel pipe stacking, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 1, wherein said conveying mechanism (2) comprises: the device comprises a base (21), universal wheels (22), a transmission shaft I (23), rollers (24), a motor I (25), an oil-gas spring device (26), a charging chute (27), a conveying belt (28) and a motor II (29); the base (21) is formed by welding and is a rectangular frame, a through hole is formed in each right angle, a motor mounting frame and two support frames are welded on the bottom surface, four sliding grooves and two connecting lugs are welded on the top surface, the sliding grooves are welded at two ends of a long edge, the two sliding grooves are in a group, notches are opposite, and the connecting lugs are welded in the middle of a short edge; the universal wheel (22) is installed in a through hole of the base (21) through a rolling bearing, a brake pad is installed on the inner side of the universal wheel (22), and the conveying device (2) is braked through control calipers; the transmission shaft I (23) is arranged on a support frame on the bottom surface of the base (21) through a rolling bearing; the two rollers (24) are respectively mounted at two ends of the transmission shaft I (23) through key connection; the motor I (25) is connected and installed on a motor installation frame of the base (21) through a bolt; the number of the hydro-pneumatic spring devices (26) is two, two ends of each hydro-pneumatic spring device are respectively provided with a connecting lug, and the connecting lug at the bottom end is arranged on the connecting lug on the top surface of the short side of the base (21) in a hinged mode; the whole charging chute (27) is in a V shape, two cuboid mounting columns are welded on the side wall of each side, pulleys are mounted at the heads of the mounting columns, a rectangular notch is machined at the bottom of each mounting column, three through holes are bored from the side surface at equal intervals, a roller is mounted in each through hole, connecting lugs are machined at two ends of each through hole, a motor mounting table is welded in the middle of each through hole, the pulleys on the charging chute (27) are mounted in a sliding groove of the base (21) to achieve guiding of the hydro-pneumatic spring device (26), and the connecting lugs at the bottom of the base (21) are connected with the hydro-pneumatic spring device (26) in a hinged mode; the conveying belt (28) is arranged on a roller at the bottom of the charging chute (27); the motor II (29) is arranged on a motor mounting table in the middle of the charging chute (27) and is connected with a roller in the middle through belt transmission; during operation, hydro-pneumatic spring device (26) cushions and supports, and after the steel pipe is put things in good order and is tied up the completion, motor I (25) drive transport mechanism (2) are in advance in ground rail (1), after transporting the setpoint position, motor II (29) drive conveyor belt (28) rotate, unload.

3. The steel pipe piling, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 2, wherein said hydro-pneumatic spring device (26) comprises: a main cylinder (261), a cavity cylinder (262), a sliding cylinder (263) and an auxiliary cylinder (264); the main cylinder (261) is formed by casting, is integrally cylindrical, is provided with a connecting lug and two threaded through holes at the top, is provided with a section of internal thread at the bottom, is mounted on the connecting lug at the bottom of the charging chute (27) in a hinged mode, and is provided with a damping valve and an overflow valve through being connected to the threaded through hole at the top by threads; the cavity cylinder (262) is formed by casting, is integrally cylindrical, is provided with a section of internal thread at the bottom, a piston head at the top end of the cavity cylinder (262) is arranged in the main cylinder (261), and is subjected to displacement limiting and sealing in the vertical direction through a thread end cover and a sealing ring, the piston head at the top end of the cavity cylinder (262) and the main cylinder (261) form a sealed space with variable volume, and the sealed space is an oil storage chamber; the sliding cylinder (263) is formed by casting and processing, the sliding cylinder is cylindrical as a whole, the top end of the sliding cylinder is provided with a piston head with a damping valve and an overflow valve in a threaded connection mode, the middle of the sliding cylinder is provided with a floating piston, a cavity of the sliding cylinder (263) is divided into two independent sealing chambers, the upper part of the sliding cylinder is provided with an oil storage chamber, the lower part of the sliding cylinder is provided with an air storage chamber, the bottom of the sliding cylinder is provided with a connecting lug in a processing mode, the piston head at the top end of the sliding cylinder (263) is arranged in the cavity cylinder (262), and is subjected to displacement limitation and sealing in the vertical direction through a threaded; the auxiliary cylinder (264) is formed by casting, the whole body is cylindrical, two threaded through holes are processed at the top, the auxiliary cylinder is connected with a damping valve and an overflow valve which are arranged on the main cylinder (261) through an oil conveying pipe, a floating piston is arranged at the middle part, a cavity of the auxiliary cylinder (264) is divided into two independent sealing chambers, the upper part is an oil storage chamber, the lower part is an air storage chamber, a section of internal thread is processed at the bottom end, a sealing end cover is connected and arranged through threads, the oil-gas spring device (26) is a double-cylinder two-stroke type, the auxiliary cylinder (264) and the sliding cylinder (263) comprise two air chambers with different pressures, when the auxiliary cylinder works, when the impact is small, the low-pressure air chamber of the sliding cylinder (263) buffers, meanwhile, the small-hole damping valve and the overflow valve which are arranged on the sliding cylinder (263) play a damping role, and when the impact is large, the high, meanwhile, the large-hole damping valve and the overflow valve which are arranged on the main cylinder (261) play a damping role, the hydro-pneumatic spring device (26) can realize different buffering and damping according to different impact forces, and has two strokes, and the stroke distance is larger than that of the stroke.

4. The steel pipe stacking, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 1, wherein the stacking mechanism (3) comprises: the device comprises a frame (31), a gear rack transmission (32), a mounting rack I (33), a hydraulic rod (34), a mounting rack II (35), a clamp (36) and a motor III (37); the frame (31) is formed by welding, the whole frame is rectangular, T-shaped grooves are formed in two cross beams on the top of the frame respectively, a cross beam and a longitudinal beam are welded on the top of the frame respectively, fixing support legs are welded at the bottoms of four support columns in the vertical direction respectively, and the frame (31) is fixed on a ground foundation through foundation bolts; countersunk holes are processed at two ends of a rack of the gear rack transmission (32) and are connected and installed on a cross beam in the middle of the top of the frame (31) through bolts; the mounting frame I (33) is integrally a cuboid, a T-shaped sliding block and a circular mounting end face are respectively machined at two ends of the mounting frame I (33), four through holes are uniformly machined in each circular mounting end face, a motor mounting table is machined in the middle of the mounting frame I (33), and the T-shaped sliding blocks at the two ends of the mounting frame I (33) are installed in a T-shaped groove of a top cross beam of the frame (31); two hydraulic rods (34) are arranged and are respectively connected and installed on the round installation end surface of the installation rack I (33) through bolts; the mounting rack II (35) is integrally a cuboid, two through holes and a mounting ring are respectively processed at two ends of the mounting rack II (35), and the mounting ring on the mounting rack II (35) is mounted on the push rod of the hydraulic rod (34) in an interference fit manner; the two sets of the clamps (36) are rectangular integrally, five through holes are machined in the end faces at equal intervals, four threaded holes are uniformly machined around each through hole, a small hydraulic push rod is installed in each through hole through bolt connection, a T-shaped frame is welded on one long end face parallel to the small hydraulic push rod, two ends of the T-shaped frame are respectively provided with one through hole, and the T-shaped frames of the clamps (36) are fixedly installed at two ends of the mounting frame II (35) through bolt connection; the motor III (37) is installed on a motor installation table of the installation frame I (33) through bolt connection, and an output shaft of the motor III (37) is connected with a gear of the gear rack transmission (32) for transmission; when the steel pipe stacking machine works, the hydraulic rod (34) extends to enable the clamp (36) to move downwards to a plane with the same height as the steel pipe, then a small hydraulic push rod in the clamp (36) extends into the hollow center of the steel pipe, the hydraulic rod (34) contracts, meanwhile, the motor III (37) rotates to enable the clamp (36) clamping the steel pipe to move left to be above the blanking groove (27) of the conveying mechanism (2), then the hydraulic rod (34) extends again to enable the clamp (36) to move downwards to a proper position above the blanking groove (27) of the conveying mechanism (2), then the small hydraulic push rod in the clamp (36) contracts to enable the steel pipe to be stacked in the blanking groove (27) of the conveying mechanism (2).

5. The steel pipe stacking, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 1, wherein said bundling mechanism (4) comprises: the steel strip head cutting device comprises a chassis (41), a frame structure (42), a strip feeding device (43), a pushing device (44), a steel strip head clamping device (45), a shearing device (46), a steel strip groove (47), a steel strip frame (48) and a welding gun (49); the whole chassis (41) is in a cuboid shape, a driving wheel is installed at the bottom of the chassis, and the chassis (41) is installed in a transverse rail (12) of the ground rail (1); the frame structure (42) is formed by welding, is integrally rectangular, is welded with a motor mounting table and a driving wheel mounting frame in the middle and is mounted in the chassis (41) through bolts; the tape feeding device (43) is mounted on the left of the middle of the frame structure (42); the pushing device (44) is arranged at the right side of the middle part of the frame structure (42); the belt head clamping device (45) is arranged at the left side of the top of the frame structure (42); the cutting apparatus (46) is mounted to the right of the top of the frame structure (42); the steel belt groove (47) is of a circular ring type and is arranged at the upper part of the frame structure (42), and the belt feeding device (43) drives a steel belt to advance in the steel belt groove (47); the steel coil frame (48) is welded to the frame structure (42); when the steel band bundling machine works, one end of a steel band is clamped by the steel band head clamping device (45), the steel band is pushed tightly by the pushing device (44), two ends of the pushed steel band are welded by the welding gun (49), and the welded steel band is cut by the cutting device (46) to complete a bundling process.

6. The steel pipe piling, bundling and conveying device with adjustable rigidity damping and the working method thereof according to claim 5, wherein the chassis (41) comprises: a base frame (411), a transmission shaft II (412), a hub (413) and a motor IV (414); the base frame (411) is formed by welding, a rectangular fixed side groove is formed in the upper portion of the base frame, four support frames and a motor mounting table are welded at the bottom of the base frame, and the two support frames form a group; two transmission shafts II (412) are respectively arranged in the two groups of support frames through rolling bearings; four wheel hubs (413) are arranged at two ends of the transmission shaft II (412) respectively; the motor IV (414) is arranged on a motor mounting table of the chassis frame (411); when the steel pipe bundling machine works, the motor IV (414) drives the hub (413) to rotate through the transmission shaft II (412), so that the bundling mechanism (4) moves leftwards, then the conveying mechanism (2) moves forwards and backwards, stacked steel pipes are respectively conveyed into the front bundling mechanism and the rear bundling mechanism (4), two ends of the steel pipes are bundled, and after the bundling is finished, the bundling mechanism (4) moves rightwards and is withdrawn, so that the conveying mechanism (2) conveys the bundled steel pipes to a specified position along a longitudinal ground rail.

7. The steel pipe stacking, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 5, wherein said belt feeding device (43) comprises: the device comprises a bearing seat (431), a roller (432), a constant speed gear box (433), an intermittent rotating gear (434) and a servo motor I (435); the two bearing blocks (431) are symmetrically arranged on a mounting rack in the middle of the frame structure (42) through bolt connection and are used for supporting the rollers (432); the two rollers (432) are provided, the surface of each roller is processed with rubber with patterns, the friction force of a steel belt during conveying is increased, and the rollers are respectively arranged in the bearing seat (431) and the constant speed gearbox (433) through bearings to support and drive the same; the constant speed gearbox (433) is mounted on the frame structure (42) by bolting; the outer circle of a driving wheel of the intermittent rotary gear (434) is provided with gear teeth and a smooth cylindrical surface, the arc sector angle for processing the gear teeth is sixty degrees, the arc sector angle for processing the smooth cylindrical surface is three hundred degrees, the center of the driving wheel is provided with a through hole, the driving wheel is arranged on the servo motor I (435) through key connection, the outer circle of the driven wheel is provided with the gear teeth and four locking arcs which are uniformly distributed, the center of the driving wheel is provided with the through hole, the driving wheel is arranged on the constant speed gear box (433) through key connection, the gear teeth on the driven wheel are the same as the gear teeth on the driving wheel and are meshed with each other, the radius of the four locking arcs is the same as the radius of the smooth cylindrical surface on the driving wheel, the locking arcs are matched with the smooth cylindrical surface on the driving wheel, the gear teeth on, because the driven wheel has four locking arcs, the driving wheel rotates one circle to drive the driven wheel to rotate one quarter of a circle, the arc sector angle of the smooth cylindrical surface on the driving wheel is five times of the arc sector angle of the gear teeth, so the idle time is five times of the transmission time, when the idle time is up, the conveying mechanism (2) conveys the bundled reinforcing steel bars, the next conveying mechanism (2) moves to the lower part of the stacking mechanism (3) to start stacking, and the steel bars are conveyed to the bundling mechanism (4) after stacking is finished; the servo motor I (435) is mounted on a motor mounting table in the middle of the frame structure (42) through a bolt; in operation, the servo motor I (435) drives the two rollers (432) to rotate at a constant speed through the intermittent rotary gear (434) and the constant speed gear box (433), and the steel belt clamped in the two rollers (432) advances under the driving of the servo motor I.

8. The steel pipe stacking, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 5, wherein said pushing device (44) comprises: a top rack (441), a gear I (442), a servo motor II (443) and a supporting wheel (444); a triangular top head is machined at the top of the top head rack (441) and is installed in a vertical sliding groove in the middle of the frame structure (42); the gear I (442) is mounted on a mounting frame in the middle of the frame structure (42) through a bearing seat; the servo motor II (443) is installed on a motor installation table in the middle of the frame structure (42) and is connected with the gear I (442) through a sleeve coupling; the support wheels (444) are mounted on the frame structure (42) by means of bolted connections; when the steel strip pushing device works, the servo motor II (443) drives the ejection rack (441) to ascend through the gear I (442) to drive the supporting wheel (444) to advance so as to push the steel strip tightly.

9. The steel pipe stacking, bundling and conveying device with adjustable rigidity damping and the working method thereof as claimed in claim 5, wherein said steel band head clamping device (45) comprises: a screw rod slide block (451), a clamp (452) and a servo motor III (453); the screw rod sliding block (451) is installed on the left side of the upper part of the frame structure (42) through a bolt; the fixed end of the clamp (452) is fixed at the end part of the base of the screw rod sliding block (451), the movable end of the clamp (452) is fixedly arranged at the top of the sliding block of the screw rod sliding block (451) through a bolt, and the sliding block is connected with a linear guide rail at the bottom; the servo motor III (453) is connected with a screw rod of the screw rod sliding block (451) through a sleeve coupling; when the clamping device works, the servo motor III (453) drives the screw rod sliding block (451) to realize linear motion of the clamp (452) on the guide rail so as to clamp the extending end of one end of the steel belt; the cutting device (46) comprises: a cutter (461), a sliding cutter (462), a servo motor IV (463), a transmission wheel (464) and a push rod (465); the cutter (461) is installed on the frame structure (42) through bolt connection; a connecting lug is processed at the center of the bottom surface of the sliding cutter (462) and is arranged in a horizontal sliding groove at the upper part of the frame structure (42); the servo motor (464) is arranged on a motor mounting table at the upper part of the frame structure (42); the transmission wheel (464) is arranged on the frame structure (42) through a bearing seat and is connected with the servo motor IV (463) through a sleeve coupling; the push rod (465) is integrally in a cuboid shape, connecting lugs are processed at two ends, a cuboid empty groove is processed in the middle, and the connecting lugs at the two ends are respectively connected to the sliding cutter (462) and the frame structure (42) in a hinged mode; when the steel strip shearing machine works, the servo motor IV (463) drives the sliding rack (462) to move left and right through the transmission wheel (464) and the push rod (465), and the cutter (461) and the sliding cutter (462) shear the steel strip.

10. The steel pipe stacking, bundling and transporting device and the operating method thereof as claimed in claim 1, wherein in operation, the transporting mechanism (2) advances in the ground rail (1) to below the stacking mechanism (3), the clamps (36) of the stacking mechanism (3) clamp the steel pipes, the clamped steel pipes are transported to the upper side of the blanking slot (27) of the transporting mechanism (2) by the driving of the motor III (37), the hydraulic rods (34) of the stacking mechanism (3) extend to send the steel pipes into the blanking slot (27), after stacking, the bundling mechanism (4) moves to the right in the transverse track slot of the ground rail (1), then the transporting mechanism (2) moves back and forth, the two ends of the stacked steel pipe stack are respectively sent into the two bundling mechanisms (4), and then the servo motor I (433) of the bundling mechanism (4) drives the gear box (433) to drive the constant speed gear box (433) to operate The two rollers (432) rotate at the same speed, the steel belt clamped in the two rollers (432) advances under the driving of the rollers, when the steel belt reaches the clamping device (45), the servo motor III (453) drives the screw rod sliding block (451) to realize the linear motion of the clamp (452) on the guide rail to clamp the extending end of one end of the steel belt, a servo motor II (443) of the tightening device (44) drives the ejection rack (441) to ascend through the gear I (442) to drive the supporting wheel (444) to advance so as to tighten the steel belt, the welding gun (49) is used for welding the steel strip, after welding is finished, a servo motor IV (463) of the shearing device (46) drives the sliding rack (462) to move left and right through the transmission wheel (464) and the push rod (465), and the cutter (461) and the sliding cutter (462) shear the steel strip; after the bundling is finished, the bundling mechanism (4) moves to the left, and then the conveying mechanism (2) conveys the bundled steel pipe stack to a specified position.