A steel pipe stacking, bundling and transporting device with adjustable stiffness and damping

Abstract

The present invention discloses a working method of a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping, comprising: a ground rail, a conveying mechanism, a coding mechanism and a bundling mechanism; the ground rail is installed on a ground foundation through anchor bolts; the conveying mechanism is installed in a longitudinal track groove of the ground rail; the coding mechanism is installed on the ground foundation through anchor bolts; the bundling mechanism is installed in a transverse track groove of the ground rail; the coding mechanism stacks the steel pipes in a blanking chute of the conveying mechanism, and then the bundling mechanism moves left to a working position, and the conveying mechanism moves forward and backward to respectively send the two ends of the stacked steel pipes into two front and rear bundling machines for bundling; after bundling is completed, the bundling mechanism moves right to reset, and the conveying mechanism advances in the track groove of the ground rail to transport the bundled steel pipes to a designated position.

Description

Technical Field

[0001] The invention relates to a steel pipe stacking, bundling and transporting device with adjustable stiffness and damping, which stacks and bundles steel pipes into shape and then transports them to a storage workshop. In particular, it relates to a steel pipe stacking, bundling and transporting device with adjustable stiffness and damping. Background Art

[0002] Currently, my country's infrastructure construction is accelerating, and the demand for steel pipes is also increasing. However, existing steel pipe bundling devices cannot simultaneously stack, bundle, and transport steel pipes, often requiring complex processes and a significant amount of manpower. Furthermore, the increased weight of the steel pipes during stacking can cause surface damage due to impact. The market urgently needs a device that can cushion this impact and maximize automation. Therefore, designing a steel pipe stacking, bundling, and transportation device with adjustable stiffness and damping is particularly important. Summary of the Invention

[0003] In view of the problems existing in the prior art, the purpose of the present invention is to provide a technical solution for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] The present invention discloses a steel pipe stacking and bundling conveying device with adjustable stiffness and damping, comprising: a ground rail, a conveying mechanism, a coding mechanism, and a bundling mechanism; the ground rail is mounted on a ground foundation via anchor bolts; the conveying mechanism is mounted in a longitudinal track groove of the ground rail; the coding mechanism is mounted on a ground foundation via anchor bolts; the bundling mechanism is mounted in a transverse track groove of the ground rail; the coding mechanism stacks the steel pipes in a blanking chute of the conveying mechanism, and then the bundling mechanism moves left to a working position, and the conveying mechanism moves forward and backward to respectively deliver the two ends of the stacked steel pipes to the front and rear two ends. The steel pipes are bundled in a bundling machine. After bundling is completed, the bundling mechanism moves right and resets, and the transport mechanism advances in the track groove of the ground rail to transport the bundled steel pipes to the designated position. The ground rail includes: a longitudinal rail and a transverse rail; the longitudinal rail has a concave cross-section, and countersunk through holes are machined in the track groove. The two longitudinal rails are fixed to the ground foundation at a certain interval by anchor bolts; the transverse rail has a concave cross-section, and countersunk through holes are machined in the track groove. The transverse rail is connected to the longitudinal rail by welding and fixed to the ground foundation by anchor bolts.

[0006] Furthermore, the conveying mechanism includes: a base, a universal wheel, a transmission shaft I, a roller I, a motor I, an oil-gas spring device, a blanking chute, a conveyor belt, and a motor II; the base is formed by welding and is a rectangular frame, with a through hole processed at each right angle, a motor mounting bracket and two support brackets welded on the bottom surface, four slides and two connecting ears welded on the top surface, the slides are welded at both ends of the long side, two in a group, with the notches facing each other, and the connecting ears are welded in the middle of the short side; the universal wheel is installed in the through hole of the base through a rolling bearing, and a brake pad is installed on the inside of the universal wheel, and the braking of the conveying mechanism is achieved by controlling the caliper; the transmission shaft I is installed on the support bracket on the bottom surface of the base through a rolling bearing; there are two rollers I, which are respectively installed at both ends of the transmission shaft I through key connections; the motor I It is installed on the motor mounting frame of the base through bolt connection; there are two oil-gas spring devices, each with a connecting ear processed at both ends, and the connecting ear at the bottom is hingedly mounted on the connecting ear on the top surface of the short side of the base; the blanking trough is in a "V" shape as a whole, with two rectangular mounting columns welded on the side walls of each side, a pulley is installed on the head of the mounting column, a rectangular notch is processed at the bottom, and three through holes are bored equidistantly from the side, a roller is installed in each through hole, and connecting ears are processed at both ends, a motor mounting platform is welded in the middle, and the pulley on the blanking trough is installed The oil-gas spring device is guided in the slide groove of the base, and the connecting ear at the bottom of the base is connected to the oil-gas spring device by a hinged manner; the conveyor belt is installed on the roller at the bottom of the blanking trough; the motor II is installed on the motor mounting platform in the middle of the blanking trough, and is connected to the middle roller through a belt drive; when working, the oil-gas spring device performs buffering and support. After the steel pipes are stacked and bundled, the motor I drives the conveying mechanism to move forward in the ground rail. After transporting to the fixed position, the motor II drives the conveyor belt to rotate for unloading.

[0007] Furthermore, the oil-gas spring device includes: a main cylinder, a cavity cylinder, a sliding cylinder, and a sub-cylinder; the main cylinder is formed by casting, and is cylindrical in shape as a whole, with a connecting ear and two threaded through holes processed on the top, and a section of internal thread processed on the bottom. The connecting ear on the top of the main cylinder is mounted on the connecting ear at the bottom of the blanking chute in a hinged manner, and a damping valve and a relief valve are mounted on the threaded hole at the top through a threaded connection; the cavity cylinder is formed by casting, and is cylindrical in shape as a whole, with a section of internal thread processed on the bottom, and the piston head on the top of the cavity cylinder is mounted on the main In the cylinder, the displacement limit and sealing in the vertical direction are carried out by the threaded end cover and the sealing ring. The piston head at the top of the cavity cylinder and the main cylinder form a sealed space with variable volume, which is the oil storage chamber; the sliding cylinder is made by casting and is cylindrical as a whole. The top is connected with the piston head with a damping valve and a relief valve by a threaded connection, and a floating piston is installed in the middle, dividing the cavity of the sliding cylinder into two independent sealed chambers, the upper part is the oil storage chamber, and the lower part is the air storage chamber. A connecting ear is processed at the bottom, and the piston head at the top of the sliding cylinder is installed in the In the cavity cylinder, the vertical displacement limit and seal are performed by means of a threaded end cover and a sealing ring, and the connecting ear at the bottom is mounted on the base in a hinged manner; the auxiliary cylinder is made by casting and is cylindrical in shape as a whole, with two threaded through holes processed on the top, which are connected to the damping valve and overflow valve installed on the main cylinder through an oil pipeline, and a floating piston is installed in the middle, dividing the cavity of the auxiliary cylinder into two independent sealed chambers, the upper part is an oil storage chamber, and the lower part is an air storage chamber, and an internal thread is processed at the bottom, and the sealing end cover is installed through a threaded connection, and the oil and gas spring device It is a double-cylinder two-stroke type. The auxiliary cylinder and the sliding cylinder contain two air chambers with different pressures. During operation, when the impact is small, the low-pressure air chamber of the sliding cylinder performs buffering, and the small-hole damping valve and the overflow valve installed on the sliding cylinder play a damping role. When the impact is large, the high-pressure air chamber of the auxiliary cylinder participates in the work for buffering, and the large-hole damping valve and the overflow valve installed on the main cylinder play a damping role. The oil-gas spring device can achieve different buffering and damping according to different impact forces, and it is a two-stroke type, and the stroke distance is larger than that of a single stroke.

[0008] Furthermore, the coding mechanism includes: a frame, a rack and pinion transmission, a mounting frame I, a hydraulic rod, a mounting frame II, a clamp, and a motor III; the frame is formed by welding and is in the shape of a rectangular parallelepiped. The two crossbeams on the top are respectively processed with "T"-shaped grooves, and a crossbeam and a longitudinal beam are respectively welded on the top. The bottoms of the four vertical support columns are respectively welded with fixed legs, and the frame is fixed to the ground foundation by anchor bolts; the rack of the rack and pinion transmission is processed with countersunk holes at both ends and is installed on the crossbeam in the middle of the top of the frame by bolt connection; the mounting frame I is a rectangular parallelepiped as a whole, with a "T"-shaped slider and a circular mounting end face processed at both ends, and four through holes are evenly distributed on each circular mounting end face, and a motor mounting platform is processed in the middle. The "T"-shaped sliders at both ends of the mounting frame I are installed in the "T"-shaped slots of the top crossbeam of the frame; there are two hydraulic rods, which are respectively installed on the circular mounting end faces of the mounting frame I through bolt connections; the mounting frame II is a rectangular parallelepiped as a whole, with two through holes and a mounting ring processed at both ends, and the mounting ring on the mounting frame II is installed on the mounting frame II through interference fit. On the push rod of the hydraulic rod; the clamp has two sets, which are rectangular as a whole, with five through holes equidistantly processed on the end surface, and four threaded holes evenly distributed around each through hole. A small hydraulic push rod is installed in each through hole by bolt connection, and a "T"-shaped frame is welded on one of the long end surfaces parallel to the small hydraulic push rod, and a through hole is processed at each end of the "T"-shaped frame. The "T"-shaped frame of the clamp is fixedly mounted on both ends of the mounting frame II by bolt connection; the motor III is mounted on the motor mounting table of the mounting frame I by bolt connection, and its output shaft is connected to ... The gears of the rack and pinion transmission are connected for transmission; when working, the hydraulic rod extends, so that the clamp moves down to a plane at the same height as the steel pipe, and then the small hydraulic push rod in the clamp extends into the hollow of the steel pipe, and the hydraulic rod contracts, and at the same time the motor III rotates, so that the clamp clamping the steel pipe moves to the left above the blanking chute of the conveying mechanism, and then the hydraulic rod extends again, so that the clamp moves down to a suitable position above the blanking chute of the conveying mechanism, and then the small hydraulic push rod in the clamp contracts, so that the steel pipe is stacked in the blanking chute of the conveying mechanism.

[0009] Furthermore, the bundling mechanism includes: a chassis, a frame structure, a belt feeding device, a pushing device, a steel belt head clamping device, a shearing device, a steel belt groove, a steel coil rack, and a welding gun; the chassis is in the shape of a rectangular parallelepiped as a whole, with a driving wheel installed at the bottom, and the chassis is installed in the transverse track of the ground rail; the frame structure is formed by welding and is in the shape of a rectangular parallelepiped as a whole, with a motor mounting platform and a driving wheel mounting frame welded in the middle, and is installed in the chassis by bolt connection; the belt feeding device is installed on the left side of the middle of the frame structure; the pushing device is installed in the frame structure on the right side of the middle part; the strip head clamping device is installed on the left side of the top of the frame structure; the shearing device is installed on the right side of the top of the frame structure; the steel strip groove is annular and installed on the upper part of the frame structure, and the strip feeding device drives the steel strip to advance in the steel strip groove; the steel coil rack is welded to the frame structure; when working, the steel strip head clamping device clamps one end of the steel strip, the pushing device pushes the steel strip, and the two ends of the tightened steel strip are welded by the welding gun, and the shearing device cuts the welded steel strip to complete a bundling process.

[0010] Furthermore, the chassis includes: a base frame, a transmission shaft II, a wheel hub, and a motor IV; the base frame is formed by welding, and a rectangular fixed side groove is processed on the upper part, and four support frames and a motor mounting platform are welded on the bottom, and two support frames form a group; there are two transmission shafts II, which are respectively installed in two groups of support frames through rolling bearings; there are four wheel hubs, which are respectively installed at both ends of the transmission shaft II; the motor IV is installed on the motor mounting platform of the base frame; the motor IV drives the wheel hub to rotate through the transmission shaft II, thereby realizing the left and right movement of the bundling mechanism, moving the bundling mechanism to the left, and then moving the conveying mechanism forward and backward, respectively sending the stacked steel pipes into the front and rear two bundling mechanisms, and bundling the two ends of the steel pipes. After bundling is completed, the bundling mechanism is moved to the right and exited, so that the conveying mechanism transports the bundled steel pipes to the designated position along the longitudinal ground rail.

[0011] Furthermore, the belt feeding device includes: a bearing seat, a roller, a constant speed gear box, an intermittent rotating gear, and a servo motor 1; there are two bearing seats, which are symmetrically installed on the mounting frame in the middle of the frame structure through bolt connection to support the roller; there are two rollers, the surface of which is processed with patterned rubber to increase the friction force when the steel belt is transported, and are respectively installed in the bearing seat and the constant speed gear box through bearings to support and transmit it; the constant speed gear box is installed in the frame structure through bolt connection; the outer circle of the driving wheel of the intermittent rotating gear is processed with gear teeth and a smooth cylindrical surface, the arc sector angle of the processed gear teeth is sixty degrees, and the arc sector angle of the processed smooth cylindrical surface is three hundred degrees, a through hole is processed in the center, and is installed on the servo motor 1 through a key connection, and gear teeth and four evenly distributed locking arcs are processed on the outer circle of the driven wheel, a through hole is processed in the center, and is installed on the constant speed gear box through a key connection, the gear teeth on the driven wheel are the same as the gear teeth on the driving wheel and mesh with each other, and the four locking The radius of the stop arc is the same as the radius of the smooth cylindrical surface on the driving wheel, and the locking arc and the smooth cylindrical surface on the driving wheel cooperate with each other. When rotating, the gear teeth on the driving wheel and the gear teeth on the driven wheel mesh to play a transmission role, and the smooth cylindrical surface on the driving wheel and the locking arc on the driven wheel cooperate to play a stopping role. Because the driven wheel has four locking arcs, the driving wheel rotates one circle and drives the driven wheel to rotate a quarter circle. The arc sector angle of the smooth cylindrical surface on the driving wheel is five times the arc sector angle of the gear teeth, so the stopping time is five times the transmission time. When in the stopping time, the conveying mechanism transports the bundled steel bars away, and the next conveying mechanism moves to the bottom of the coding mechanism to start stacking. After stacking is completed, it is transported to the bundling mechanism; the servo motor 1 is installed on the motor mounting platform in the middle of the frame structure by bolts; when working, the servo motor 1 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 between the two rollers moves forward under its drive.

[0012] Furthermore, the pushing device includes: a head rack, a gear I, a servo motor II, and a support wheel; a triangular head is processed on the top of the head rack and is installed in the vertical slide groove in the middle of the frame structure; the gear I is installed on the mounting frame in the middle of the frame structure through a bearing seat; the servo motor II is installed on the motor mounting platform in the middle of the frame structure and is connected to the gear I through a sleeve coupling; the support wheel is installed on the frame structure through a bolt connection; the servo motor II drives the head rack to rise through the gear I, drives the support wheel forward and thereby pushes the steel belt.

[0013] Furthermore, the steel strip head clamping device includes: a screw slider, a clamp, and a servo motor III; the screw slider is installed on the upper left side of the frame structure by bolts; the fixed end of the clamp is fixed to the base end of the screw slider, and the movable end of the clamp is fixed to the top of the slider of the screw slider by bolts, and the slider is connected to the linear guide rail at the bottom; the servo motor III is connected to the screw of the screw slider through a sleeve coupling; the servo motor III drives the screw slider to realize the linear motion of the clamp on the guide rail to clamp the protruding end of one end of the steel strip.

[0014] Furthermore, the shearing device includes: a cutter, a sliding cutter, a servo motor IV, a transmission wheel, and a push rod; the cutter is installed on the frame structure by bolt connection; a connecting ear is processed at the center of the bottom surface of the sliding cutter and is installed in the horizontal slide groove on the upper part of the frame structure; the servo motor IV is installed on the motor mounting platform on the upper part of the frame structure; the transmission wheel is installed on the frame structure through a bearing seat and is connected to the servo motor IV through a sleeve coupling; the push rod is a rectangular parallelepiped as a whole, with connecting ears processed at both ends and a rectangular hollow groove processed in the middle, and the connecting ears at both ends are respectively connected to the sliding cutter and the frame structure by a hinged manner; when working, the servo motor IV drives the sliding cutter to move left and right through the transmission wheel and the push rod, and the cutter and the sliding cutter cut the steel strip.

[0015] Furthermore, a working method of a steel pipe stacking and bundling conveying device with adjustable stiffness and damping is as follows: when working, the conveying mechanism advances in the ground rail to the bottom of the coding mechanism, the clamp of the coding mechanism clamps the steel pipe, and through the drive of the motor III, the clamped steel pipe is transported to the top of the blanking chute of the conveying mechanism, the hydraulic rod of the coding mechanism is extended, and the steel pipe is sent into the blanking chute. After the stacking is completed, the bundling mechanism moves right in the transverse track groove of the ground rail, and then the conveying mechanism moves back and forth to respectively send the two ends of the stacked steel pipe stack into the two bundling mechanisms, and then the servo motor I of the bundling mechanism drives the two rollers to rotate at a constant speed through the constant speed gear box, and the two rollers clamped between the two rollers The steel strip in the wheel moves forward under its drive. When the steel strip reaches the clamping device, the servo motor III drives the lead screw slider to realize the linear motion of the clamp on the guide rail to clamp the protruding end of one end of the steel strip. After clamping, the servo motor II of the pushing device drives the head rack to rise through the gear I, driving the supporting wheel forward to push the steel strip tightly. After pushing, the welding gun welds the steel strip. After welding is completed, the servo motor IV of the shearing device drives the sliding cutter to move left and right through the transmission wheel and the push rod, and the cutter and the sliding cutter cut the steel strip; after bundling is completed, the bundling mechanism moves left, and then the conveying mechanism transports the bundled steel pipe stack to the designated position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 : A structural diagram of a steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to the present invention;

[0017] Figure 2 : The present invention provides a ground rail for a steel pipe stacking, bundling and transporting device with adjustable stiffness and damping;

[0018] Figure 3 : The present invention provides a conveying mechanism of a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0019] Figure 4 : The present invention provides a blanking chute of a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0020] Figure 5 : The present invention provides a gas-oil spring device with adjustable stiffness and damping for a steel pipe stacking, bundling and conveying device;

[0021] Figure 6 : A cross-sectional view of a gas-oil spring device for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping according to the present invention;

[0022] Figure 7 : The present invention provides a stacking mechanism for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0023] Figure 8 : The present invention provides a clamp for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0024] Figure 9 : The present invention provides a bundling mechanism for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0025] Figure 10 : A cross-sectional view of a bundling mechanism of a steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to the present invention;

[0026] Figure 11 : The present invention provides a chassis of a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0027] Figure 12 : The present invention provides a belt feeding device for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0028] Figure 13 : The present invention provides a pushing device for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0029] Figure 14 : The present invention provides a steel strip head clamping device for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0030] Figure 15 : The present invention provides a shearing device for a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping;

[0031] In the figure: 1-ground rail, 11-longitudinal rail, 12-transverse rail, 2-transport mechanism, 21-base, 22-universal wheel, 23-drive shaft I, 24-roller I, 25-motor I, 26-oil and gas spring device, 261-main cylinder, 262-cavity cylinder 263-sliding cylinder, 264-auxiliary cylinder, 27-blanking chute, 28-conveying belt, 29-motor II, 3-coding mechanism, 31-frame, 32-gear rack transmission, 33-mounting frame I, 34-hydraulic rod 35-mounting frame II, 36-clamp, 37-motor III, 4-binding mechanism, 41-chassis, 411-base frame, 412-drive shaft II, 413-wheel Hub, 414-motor IV, 42-frame structure, 43-tape feeding device, 431-bearing seat, 432-roller, 433-constant speed gearbox, 434-intermittent rotation gear, 435-servo motor I, 44-pushing device, 441-head rack, 442-gear I, 443-servo motor II, 444-support wheel, 45-steel strip head clamping device, 451-screw slider, 452-clamp, 453-servo motor III, 46-cutting device, 461-cutter, 462-sliding cutter, 463-servo motor IV, 464-drive wheel, 465-push rod, 47-steel strip groove, 48-steel roll stand, 49-welding gun. DETAILED DESCRIPTION

[0032] The specific implementation of the present invention will be further described below with reference to the accompanying drawings.

[0033] like Figure 1 、 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15 show a steel pipe stacking and bundling transport device with adjustable stiffness and damping, comprising: a ground rail 1, a transport mechanism 2, a coding mechanism 3, and a bundling mechanism 4; the ground rail 1 is mounted on a ground foundation via anchor bolts; the transport mechanism 2 is mounted in a longitudinal track groove of the ground rail 1; the coding mechanism 3 is mounted on a ground foundation via anchor bolts; the bundling mechanism 4 is mounted in a transverse track groove of the ground rail 1; the coding mechanism 3 stacks the steel pipes in the blanking chute of the transport mechanism 2, and then the bundling mechanism 4 moves left to a working position The conveying mechanism 2 moves forward and backward to respectively send the two ends of the stacked steel pipes into the front and rear two strapping machines for strapping. After the strapping is completed, the strapping mechanism 4 moves right and resets. The conveying mechanism 2 moves forward in the track groove of the ground rail 1 to transport the bundled steel pipes to the designated position; the ground rail 1 includes: a longitudinal rail 11 and a transverse rail 12; the longitudinal rail 11 has a "concave" cross-section, and a countersunk through-hole is machined in the track groove. The two longitudinal rails are fixed to the ground foundation at a certain interval by anchor bolts; the transverse rail 12 has a "concave" cross-section, and a countersunk through-hole is machined in the track groove. It is connected to the longitudinal track 11 by welding and fixed to the ground foundation by anchor bolts; the conveying mechanism 2 includes: a base 21, a universal wheel 22, a transmission shaft I23, a roller I24, a motor I25, an oil-gas spring device 26, a blanking chute 27, a conveyor belt 28, and a motor II29; the base 21 is made by welding and is a rectangular frame with a through hole processed at each right angle, a motor mounting bracket and two support brackets welded on the bottom surface, four slide grooves and two connecting ears welded on the top surface, the slide grooves are welded at both ends of the long side, two in a group, the notches are opposite, and the connecting ears are welded in the middle of the short side; the universal wheel 22 is mounted in the through hole of the base 21 via a rolling bearing, a brake pad is mounted on the inner side of the universal wheel 22, and the braking of the conveying mechanism 2 is achieved by controlling the caliper; the transmission shaft 123 is mounted on the support frame on the bottom surface of the base 21 via a rolling bearing; there are two rollers 124, which are respectively mounted on both ends of the transmission shaft 123 via a key connection; the motor 125 is mounted on the motor mounting frame of the base 21 via a bolt connection; there are two oil-gas spring devices 26, each with a connecting ear machined at both ends, and the connecting ear at the bottom end is hingedly mounted to the connecting ear on the top surface of the short side of the base 21;The blanking chute 27 is in a V-shape as a whole, with two rectangular mounting columns welded on the side walls of each side, a pulley installed on the head of the mounting column, a rectangular notch processed at the bottom, and three through holes bored equidistantly from the side, each through hole is installed with a roller, and connecting ears are processed at both ends, and a motor mounting platform is welded in the middle. The pulley on the blanking chute 27 is installed in the slide groove of the base 21 to realize the guidance of the oil and gas spring device 26, and the connecting ear at the bottom of the base 21 is connected to the oil and gas spring device 26 by a hinged manner; the conveyor belt 28 is installed at the bottom of the blanking chute 27 The motor II29 is mounted on the motor mounting platform in the middle of the blanking chute 27 and is connected to the middle roller through a belt drive. When working, the oil-gas spring device 26 performs buffering and support. After the steel pipes are stacked and bundled, the motor I25 drives the conveying mechanism 2 to advance in the ground rail 1. After being transported to a fixed position, the motor II29 drives the conveyor belt 28 to rotate for unloading. The oil-gas spring device 26 includes: a main cylinder 261, a cavity cylinder 262, a sliding cylinder 263, and a sub-cylinder 264. The main cylinder 261 is made by casting and is cylindrical in shape. The top is processed with a connecting ear and two threaded through holes, and the bottom is processed with a section of internal thread. The connecting ear at the top of the master cylinder 261 is installed on the connecting ear at the bottom of the blanking chute 27 in a hinged manner, and a damping valve and a relief valve are installed on the threaded hole at the top through threaded connection; the cavity cylinder 262 is made by casting, and the whole is cylindrical, and the bottom is processed with a section of internal thread. The piston head at the top of the cavity cylinder 262 is installed in the master cylinder 261, and the vertical displacement limit and sealing are performed by the threaded end cover and the sealing ring. The piston head at the top of the cavity cylinder 262 and the master cylinder 261 form a A sealed space with a variable volume, which serves as an oil storage chamber. The sliding cylinder 263 is formed by casting and is cylindrical in shape. A piston head with a damping valve and a relief valve is installed at the top through a threaded connection. A floating piston is installed in the middle, dividing the cavity of the sliding cylinder 263 into two independent sealed chambers, the upper portion being an oil storage chamber and the lower portion being an air storage chamber. A connecting ear is machined at the bottom. The piston head at the top of the sliding cylinder 263 is installed in the cavity cylinder 262. Vertical displacement is limited and sealed by a threaded end cap and a sealing ring. The connecting ear at the bottom is hingedly mounted on the base 21.The auxiliary cylinder 264 is made by casting and is cylindrical in shape. Two threaded through holes are processed on the top. It is connected to the damping valve and relief valve installed on the main cylinder 261 through an oil pipeline. A floating piston is installed in the middle to divide the cavity of the auxiliary cylinder 264 into two independent sealed chambers. The upper part is an oil storage chamber and the lower part is an air storage chamber. An internal thread is processed at the bottom end and a sealing end cover is installed through a threaded 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. During operation, when the impact is small, the low-pressure air chamber of the sliding cylinder 263 is buffered, and the small-hole damping valve and relief valve installed on the sliding cylinder 263 play a damping role. When the impact is large, the The high-pressure air chamber of the auxiliary cylinder 264 participates in the work for buffering, and at the same time, the large-hole damping valve and the overflow valve installed on the main cylinder 261 play a damping role. The oil-gas spring device 26 can achieve different buffering and damping according to different impact forces, and is a two-stroke, and the stroke distance is larger than that of a single stroke; the coding mechanism 3 includes: a frame 31, a gear rack transmission 32, a mounting frame I33, a hydraulic rod 34, a mounting frame II35, a clamp 36, and a motor III37; the frame 31 is processed by welding and is in the shape of a rectangular parallelepiped as a whole. The two crossbeams on the top are respectively processed with "T"-shaped grooves, and a crossbeam and a longitudinal beam are respectively welded to the top. The four support columns in the vertical direction are respectively welded with fixed legs at the bottom, and the frame 31 is welded to the ground The foot bolts are fixed to the ground foundation; countersunk holes are processed at both ends of the rack of the gear rack transmission 32, and are installed on the middle crossbeam at the top of the frame 31 by bolt connection; the mounting frame I33 is a rectangular parallelepiped as a whole, with a "T"-shaped slider and a circular mounting end face processed at both ends, and four through holes are evenly processed on each circular mounting end face, and a motor mounting platform is processed in the middle, and the "T"-shaped sliders at both ends of the mounting frame I33 are installed in the "T"-shaped slots of the top crossbeam of the frame 31; there are two hydraulic rods 34, which are respectively installed on the circular mounting end faces of the mounting frame I33 by bolt connection; the mounting frame II35 is a rectangular parallelepiped as a whole, with two through holes and a mounting ring processed at both ends, The mounting ring on the mounting frame II35 is mounted on the push rod of the hydraulic rod 34 by interference fit; the clamp 36 has two sets, which are rectangular in shape as a whole, with five through holes equidistantly processed on the end face, and four threaded holes evenly distributed around each through hole. A small hydraulic push rod is installed in each through hole by bolt connection, and a "T"-shaped frame is welded on one of the long end faces parallel to the small hydraulic push rod, and a through hole is processed at each end of the "T"-shaped frame. The "T"-shaped frame of the clamp 36 is fixedly mounted on both ends of the mounting frame II35 by bolt connection; the motor III37 is mounted on the motor mounting platform of the mounting frame I33 by bolt connection, and its output shaft is connected to the gear of the gear rack transmission 32 for transmission;During operation, the hydraulic rod 34 extends, so that the clamp 36 moves down to a plane at the same height as the steel pipe, and then the small hydraulic push rod in the clamp 36 extends into the hollow of the steel pipe, and the hydraulic rod 34 contracts, and at the same time the motor III 37 rotates, so that the clamp 36 clamping the steel pipe moves left to above the blanking chute 27 of the conveying mechanism 2, and then the hydraulic rod 34 extends again, so that the clamp 36 moves down to a suitable position above the blanking chute 27 of the conveying mechanism 2, and then the small hydraulic push rod in the clamp 36 contracts, so that the steel pipe is stacked in the blanking chute 27 of the conveying mechanism 2; the bundling mechanism 4 includes: a chassis 41, a frame structure 42, a belt feeding device 43, a tightening device 44, and a steel belt head clamping device 4 5, shearing device 46, steel belt groove 47, steel coil rack 48, welding gun 49; the chassis 41 is in the shape of a rectangular parallelepiped as a whole, with a driving wheel installed at the bottom, and the chassis 41 is installed in the transverse track 12 of the ground rail 1; the frame structure 42 is made by welding and is in the shape of a rectangular parallelepiped as a whole, with a motor mounting platform and a driving wheel mounting frame welded in the middle, and is installed in the chassis 41 by bolt connection; the belt feeding device 43 is installed on the left side of the middle of the frame structure 42; the pushing device 44 is installed on the right side of the middle of the frame structure 42; the belt head clamping device 45 is installed on the left side of the top of the frame structure 42; the shearing device 46 is installed on the right side of the top of the frame structure 42; the steel belt groove 47 is annular , installed on the upper part of the frame structure 42, the belt feeding device 43 drives the steel belt to advance in the steel belt groove 47; the steel coil rack 48 is welded to the frame structure 42; when working, the steel belt head clamping device 45 clamps one end of the steel belt, the pushing device 44 pushes the steel belt tightly, and the two ends of the tightened steel belt are welded by the welding gun 49, and the shearing device 46 cuts the welded steel belt to complete a bundling process; the chassis 41 includes: a base frame 411, a transmission shaft II412, a wheel hub 413, and a motor IV414; the base frame 411 is formed by welding, and a rectangular fixed side groove is processed on the upper part. Four support frames and a motor mounting platform are welded on the bottom, and two support frames form a group; There are two transmission shafts II412, which are respectively installed in two groups of support frames through rolling bearings; there are four wheel hubs 413, which are respectively installed at both ends of the transmission shaft II412; the motor IV414 is installed on the motor mounting platform of the base frame 411; the motor IV414 drives the wheel hub 413 to rotate through the transmission shaft II412, thereby realizing the left and right movement of the bundling mechanism 4, and the bundling mechanism 4 is moved to the left, and then the conveying mechanism 2 is moved forward and backward, and the stacked steel pipes are respectively sent into the front and rear two bundling mechanisms 4 to bundle the two ends of the steel pipes. After bundling is completed, the bundling mechanism 4 is moved right and exited, so that the conveying mechanism 2 transports the bundled steel pipes along the longitudinal ground rail to the designated position;The belt feeding device 43 includes: a bearing seat 431, a roller 432, a constant speed gear box 433, an intermittent rotating gear 434, and a servo motor I435; there are two bearing seats 431, which are symmetrically mounted on the mounting frame in the middle of the frame structure 42 through bolt connection to support the roller 432; there are two rollers 432, the surface of which is processed with patterned rubber to increase the friction during the transportation of the steel belt, and are respectively mounted on the bearing seat 431 and the constant speed gear box 433 through bearings to support and transmit them; the constant speed gear box 433 is mounted on the frame structure 42 through bolt connection; the outer circle of the driving wheel of the intermittent rotating gear 434 is processed with gear teeth and a smooth cylindrical surface, and the arc sector of the gear teeth is processed The angle is sixty degrees, and the arc sector angle of the smooth cylindrical surface is three hundred degrees. A through hole is processed in the center, and it is installed on the servo motor I435 through a key connection. Gear teeth and four evenly distributed locking arcs are processed on the outer circle of the driven wheel. A through hole is processed in the center, and it is installed on the constant speed gear box 433 through a key connection. The gear teeth on the driven wheel are the same as the gear teeth on the driving wheel and mesh 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 arc and the smooth cylindrical surface on the driving wheel cooperate with each other. When rotating, the gear teeth on the driving wheel and the gear teeth on the driven wheel mesh to play a transmission role, and the smooth cylindrical surface on the driving wheel and the locking arc on the driven wheel cooperate to play a stopping role. Because the driven wheel has four locking arcs, the driving wheel rotates one The circle drives the driven wheel to rotate a quarter of a circle. The arc sector angle of the smooth cylindrical surface on the driving wheel is five times the arc sector angle of the gear teeth, so the pause time is five times the transmission time. When in the pause time, the conveying mechanism 2 transports the bundled steel bars away, and the next conveying mechanism 2 moves to the bottom of the coding mechanism 3 to start stacking. After stacking, it is transported to the bundling mechanism 4; the servo motor I435 is installed on the motor mounting platform in the middle of the frame structure 42 by bolts; when working, the servo motor I435 drives the two rollers 432 to rotate at a constant speed through the intermittent rotating gear 434 and the constant speed gear box 433, and the steel belt clamped between the two rollers 432 moves forward under its drive; the pushing device 44 It includes: a head rack 441, a gear I442, a servo motor II443, and a support wheel 444; the top of the head rack 441 is processed with a triangular head, which is installed in the vertical slide groove in the middle of the frame structure 42; the gear I442 is installed on the mounting frame in the middle of the frame structure 42 through a bearing seat; the servo motor II443 is installed on the motor mounting platform in the middle of the frame structure 42 and is connected to the gear I442 through a sleeve coupling; the support wheel 444 is installed on the frame structure 42 through a bolt connection; the servo motor II443 drives the head rack 441 to rise through the gear I442, drives the support wheel 444 forward, and thereby pushes the steel belt tight;The steel strip head clamping device 45 includes: a screw slider 451, a clamp 452, and a servo motor III 453; the screw slider 451 is installed on the upper left side of the frame structure 42 by bolts; the fixed end of the clamp 452 is fixed to the base end of the screw slider 451, and the movable end of the clamp 452 is fixed to the top of the slider of the screw slider 451 by bolts, and the slider is connected to the linear guide rail at the bottom; the servo motor III 453 is connected to the screw slider 451 through a sleeve coupling. The servo motor III 453 drives the screw slider 451 to realize the linear motion of the clamp 452 on the guide rail to clamp the protruding end of one end of the steel strip; the shearing device 46 includes: 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 by bolt connection; a connecting ear is processed at the center of the bottom surface of the sliding cutter 462, which is installed on the horizontal part of the upper part of the frame structure 42 The servo motor IV463 is mounted on the motor mounting platform on the upper part of the frame structure 42; the transmission wheel 464 is mounted on the frame structure 42 through the bearing seat and is connected to the servo motor IV463 through the sleeve coupling; the push rod 465 is a rectangular parallelepiped as a whole, with connecting ears processed at both ends and a rectangular parallelepiped slot processed in the middle, and the connecting ears at both ends are respectively connected to the sliding cutter 462 and the frame structure 42 by a hinged manner; when working, the servo motor IV4 63 drives the sliding cutter 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 cut the steel strip. A steel pipe stacking and bundling conveying device with adjustable stiffness and damping, characterized by comprising: a ground rail 1, a conveying mechanism 2, a coding mechanism 3, and a bundling mechanism 4; the conveying mechanism 2 is installed in the longitudinal track groove of the ground rail 1; the coding mechanism 3 is installed above the ground rail 1; and the bundling mechanism 4 is installed in the transverse track groove of the ground rail 1.During operation, the conveying mechanism 2 advances in the ground rail 1 to the bottom of the coding mechanism 3, and the clamp 36 of the coding mechanism 3 clamps the steel pipe, and is driven by the motor III37 to transport the clamped steel pipe to the top of the blanking chute 27 of the conveying mechanism 2. The hydraulic rod 34 of the coding mechanism 3 extends to send the steel pipe into the blanking chute 27. After stacking is completed, the bundling mechanism 4 moves right in the transverse track groove of the ground rail 1, and then the conveying mechanism 2 moves back and forth to send the two ends of the stacked steel pipe stack into the two bundling mechanisms 4 respectively. Then the servo motor I433 of the bundling mechanism 4 drives the two rollers 432 to rotate at a constant speed through the constant speed gear box 433, and the steel belt clamped in the two rollers 432 moves forward under its drive. When the steel belt reaches the clamping device After the steel strip is tightened, the servo motor III 453 drives the lead screw slider 451 to achieve linear motion of the clamp 452 on the guide rail, thereby clamping the protruding end of one end of the steel strip. After clamping, the servo motor II 443 of the tightening device 44 drives the head rack 441 upward via the gear I 442, driving the support wheel 444 forward to tighten the steel strip. After tightening, the welding gun 49 welds the steel strip. After welding is completed, the servo motor IV 463 of the shearing device 46 drives the sliding cutter 462 to move left and right via the transmission wheel 464 and the push rod 465. The cutter 461 and the sliding cutter 462 cut the steel strip. After bundling is completed, the bundling mechanism 4 moves left, and then the conveying mechanism 2 transports the bundled steel pipe stack to the designated location.

[0034] like Figure 1 、 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15, a working method of a steel pipe stacking, bundling and conveying device with adjustable stiffness and damping, specifically comprising the following steps: installing the ground rail 1, the conveying mechanism 2, the coding mechanism 3, and the bundling mechanism 4 in relative positions; the coding mechanism 3 starts working, the hydraulic rod 34 extends, causing the clamp 36 to move down to a plane at the same height as the steel pipe, and then the small hydraulic push rod in the clamp 36 extends into the hollow of the steel pipe, the hydraulic rod 34 contracts, and at the same time, the motor III 37 rotates. The clamp 36 holding the steel pipe is moved to the left above the blanking chute 27 of the conveying mechanism 2, and then the hydraulic rod 34 is extended again to move the clamp 36 down to a suitable position above the blanking chute 27 of the conveying mechanism 2, and then the small hydraulic push rod in the clamp 36 is contracted to stack the steel pipe in the blanking chute 27 of the conveying mechanism 2; the conveying mechanism 2 starts to work, and the oil-gas spring device 26 performs buffering and support. After the steel pipes are stacked, the motor 125 drives the conveying mechanism 2 to move back and forth in the ground rail 1, and the two ends of the stacked steel pipes are sent to the strapping machine In the structure 4; the strapping mechanism 4 starts to work, the motor IV414 drives the hub 413 to rotate through the transmission shaft II412 to realize the left and right movement of the strapping mechanism 4, and then the servo motor I433 drives the two rollers 432 to rotate at a constant speed through the constant speed gear box 433, and the steel strip clamped between the two rollers 432 moves forward under its drive. When the steel strip head reaches the steel strip head clamping device 45, the servo motor III453 drives the screw slider 451 to realize the linear motion of the clamp 452 on the guide rail to clamp one end of the steel strip. The extending end; the pushing device 44 starts to work, the servo motor II443 drives the top rack 441 to rise through the gear I442, drives the support wheel 444 to move forward and tighten the steel strip, and then the welding gun 49 welds the two ends of the tightened steel strip firmly; the shearing device 46 starts to work, the servo motor IV463 drives the sliding cutter 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 transports the bundled steel pipes to a fixed position.

[0035] The scope of protection of the present invention is not limited to this. Any changes or substitutions that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed by the present invention should be included in the scope of protection of the present invention; therefore, the scope of protection of the present invention should be based on the scope of protection defined by the claims.

Claims

1. A steel pipe stacking, bundling and transporting device with adjustable stiffness and damping, characterized in that: include: Ground rail (1), conveying mechanism (2), coding mechanism (3), and bundling mechanism (4); the ground rail (1) is installed on the ground foundation through anchor bolts; the conveying mechanism (2) is installed in the longitudinal track groove of the ground rail (1); the coding mechanism (3) is installed on the ground foundation through anchor bolts; the bundling mechanism (4) is installed in the transverse track groove of the ground rail (1); the coding mechanism (3) stacks the steel pipes in the blanking chute of the conveying mechanism (2), and then the bundling mechanism (4) moves left to the working position, and the conveying mechanism (2) moves forward and backward to respectively send the two ends of the stacked steel pipes into the front and rear bundling machines for bundling. After the bundling is completed, the bundling mechanism (4) moves rightward and resets, and the transport mechanism (2) moves forward in the track groove of the ground rail (1) to transport the bundled steel pipes to the designated position; the ground rail (1) comprises: a longitudinal rail (11) and a transverse rail (12); the longitudinal rail (11) has a "concave" shape in cross section, and a countersunk through hole is machined in the track groove. The two longitudinal rails are fixed to the ground foundation at a certain interval by anchor bolts; the transverse rail (12) has a "concave" shape in cross section, and a countersunk through hole is machined in the track groove. The transverse rail (12) is connected to the longitudinal rail (11) by welding and is fixed to the ground foundation by anchor bolts. The conveying mechanism (2) comprises: a base (21), a universal wheel (22), a transmission shaft I (23), a roller I (24), a motor I (25), an oil-gas spring device (26), a blanking chute (27), a conveyor belt (28), and a motor II (29); the base (21) is formed by welding and is a rectangular frame, with a through hole processed on each right angle, a motor mounting frame and two support frames welded on the bottom surface, four slides and two connecting ears welded on the top surface, the slides are welded at both ends of the long side, two are in a group, the notches are opposite, and the connecting ears are welded in the middle of the short side; the universal wheel (22) is mounted on the said In the through hole of the base (21), a brake pad is installed inside the universal wheel (22), and the conveying mechanism (2) is braked by controlling the caliper; the transmission shaft I (23) is installed on the support frame on the bottom surface of the base (21) through a rolling bearing; there are two rollers I (24), which are respectively installed on the two ends of the transmission shaft I (23) through a key connection; the motor I (25) is installed on the motor mounting frame of the base (21) through a bolt connection; there are two oil-gas spring devices (26), each of which has a connecting ear processed at both ends, and the connecting ear at the bottom end is installed on the connecting ear on the top surface of the short side of the base (21) through a hinged manner;The blanking trough (27) is in a V-shape as a whole. Two rectangular mounting columns are welded on the side walls of each side. A pulley is installed on the head of the mounting column. A rectangular notch is processed at the bottom, and three through holes are bored equidistantly from the side. A roller is installed in each through hole, and connecting ears are processed at both ends. A motor mounting platform is welded in the middle. The pulley on the blanking trough (27) is installed in the slide groove of the base (21) to realize the guidance of the oil and gas spring device (26). The connecting ear at the bottom of the base (21) is connected to the oil and gas spring device (26) by a hinged manner; the conveyor belt (28) is installed on the roller at the bottom of the blanking trough (27); the motor II (29) is installed in the blanking trough ( 27) is connected to the middle roller via a belt drive on the motor mounting platform; the oil-gas spring device (26) includes: a main cylinder (261), a cavity cylinder (262), a sliding cylinder (263), and a secondary cylinder (264); the main cylinder (261) is made by casting, and is cylindrical in shape as a whole, with a connecting ear and two threaded through holes processed on the top, and a section of internal thread processed on the bottom. The connecting ear on the top of the main cylinder (261) is mounted on the connecting ear at the bottom of the blanking chute (27) in a hinged manner, and a damping valve and a relief valve are mounted on the threaded through hole at the top through a threaded connection; the cavity cylinder (262) is made by casting, and is cylindrical in shape as a whole, with a section of internal thread processed on the bottom, and the cavity cylinder (2 62) The piston head at the top is installed in the master cylinder (261), and the displacement limit and sealing in the vertical direction are performed by the threaded end cover and the sealing ring. The piston head at the top of the cavity cylinder (262) and the master cylinder (261) form a sealed space with a variable volume, which is an oil storage chamber; the sliding cylinder (263) is made by casting and is cylindrical as a whole. The piston head with a damping valve and a relief valve is installed at the top through a threaded connection, and a floating piston is installed in the middle, dividing the cavity of the sliding cylinder (263) into two independent sealed chambers, the upper part is the oil storage chamber, and the lower part is the air storage chamber. A connecting ear is processed at the bottom. The piston head at the top of the sliding cylinder (263) is installed in the cavity cylinder (262). The displacement limit and seal in the vertical direction are performed by a threaded end cover and a sealing ring, and the connecting ear at the bottom is mounted on the base (21) by a hinged manner; the auxiliary cylinder (264) is formed by casting and is cylindrical in shape as a whole. Two threaded through holes are processed on the top and are connected to the damping valve and the overflow valve installed on the main cylinder (261) through an oil pipeline. A floating piston is installed in the middle, dividing the cavity of the auxiliary cylinder (264) into two independent sealed chambers, the upper part is an oil storage chamber, and the lower part is an air storage chamber. The bottom end is processed with an internal thread, and the sealing end cover is installed by threaded connection. The oil-gas spring device (26) is a double-cylinder two-stroke type, and the auxiliary cylinder (264) and the sliding cylinder (263) contain two air chambers with different pressures;The coding mechanism (3) includes: a frame (31), a gear rack transmission (32), a mounting frame I (33), a hydraulic rod (34), a mounting frame II (35), a clamp (36), and a motor III (37).

2. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 1, characterized in that: The frame (31) is formed by welding and is in the shape of a rectangular parallelepiped. The two crossbeams on the top are respectively processed with "T"-shaped grooves, and a crossbeam and a longitudinal beam are respectively welded on the top. The bottoms of the four vertical support columns are respectively welded with fixed legs. The frame (31) is fixed to the ground foundation by anchor bolts; the rack of the gear rack transmission (32) is processed with countersunk holes at both ends and is installed on the crossbeam in the middle of the top of the frame (31) by bolt connection; the mounting frame I (33) is in the shape of a rectangular parallelepiped as a whole, and a "T"-shaped slider and a circular mounting end face are respectively processed at both ends, and each circular mounting end face is evenly distributed Four through holes are processed, and a motor mounting platform is processed in the middle. The "T"-shaped sliders at both ends of the mounting frame I (33) are installed in the "T"-shaped slots of the top crossbeam of the frame (31); there are two hydraulic rods (34), which are respectively installed on the circular mounting end surface of the mounting frame I (33) through bolt connection; the mounting frame II (35) is a rectangular parallelepiped as a whole, and two through holes and a mounting ring are processed at both ends respectively. The mounting ring on the mounting frame II (35) is installed on the push rod of the hydraulic rod (34) through interference fit; there are two sets of the clamps (36), which are rectangular parallelepiped as a whole, and five through holes are processed at equal distances on the end surface. Hole, four threaded holes are evenly distributed around each through hole, a small hydraulic push rod is installed in each through hole by bolt connection, a "T" frame is welded on one of the long end faces parallel to the small hydraulic push rod, and a through hole is respectively processed at both ends of the "T" frame, the "T" frame of the clamp (36) is fixedly mounted on both ends of the mounting frame II (35) by bolt connection; the motor III (37) is mounted on the motor mounting table of the mounting frame I (33) by bolt connection, and its output shaft is connected to the gear of the gear rack transmission (32) for transmission; when working, the hydraulic rod (34) is extended to make the The clamp (36) moves down to a plane at the same height as the steel pipe, and then the small hydraulic push rod in the clamp (36) extends into the hollow of the steel pipe, and the hydraulic rod (34) contracts, and at the same time the motor III (37) rotates, so that the clamp (36) holding the steel pipe moves to the left above the blanking trough (27) of the conveying mechanism (2), and then the hydraulic rod (34) extends again, so that the clamp (36) moves down to a suitable position above the blanking trough (27) of the conveying mechanism (2), and then the small hydraulic push rod in the clamp (36) contracts, so that the steel pipe is stacked in the blanking trough (27) of the conveying mechanism (2).

3. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 1, characterized in that: The bundling mechanism (4) comprises: a chassis (41), a frame structure (42), a belt feeding device (43), a pushing device (44), a steel belt head clamping device (45), a cutting device (46), a steel belt groove (47), a steel coil stand (48), and a welding gun (49); the chassis (41) is in the shape of a rectangular parallelepiped as a whole, with a driving wheel installed at the bottom, and the chassis (41) is installed in the transverse track (12) of the ground rail (1); the frame structure (42) is formed by welding and is in the shape of a rectangular parallelepiped as a whole, with a motor mounting platform and a driving wheel mounting frame welded in the middle, and is installed in the chassis (41) by bolt connection; the belt feeding device (43) is installed on the left side of the middle part of the frame structure (42); the pushing device (44) is installed in the The right side of the middle part of the frame structure (42); the steel strip head clamping device (45) is installed on the left side of the top of the frame structure (42); the shearing device (46) is installed on the right side of the top of the frame structure (42); the steel strip groove (47) is annular and installed on the upper part of the frame structure (42), and the strip feeding device (43) drives the steel strip to advance in the steel strip groove (47); the steel coil rack (48) is welded to the frame structure (42); when working, the steel strip head clamping device (45) clamps one end of the steel strip, the pushing device (44) pushes the steel strip, and the two ends of the tightened steel strip are welded by the welding gun (49), and the shearing device (46) cuts the welded steel strip to complete a bundling process.

4. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 3, characterized in that: The chassis (41) includes: a base frame (411), a transmission shaft II (412), a wheel hub (413), and a motor IV (414); the base frame (411) is formed by welding, and a rectangular fixed side groove is processed on the upper part, and four support frames and a motor mounting platform are welded on the bottom, and two support frames form a group; there are two transmission shafts II (412), which are respectively installed in two groups of support frames through rolling bearings; there are four wheel hubs (413), which are respectively installed at both ends of the transmission shaft II (412); the motor IV (414) is installed on the The motor mounting platform of the base frame (411) is provided; when working, the motor IV (414) drives the wheel hub (413) to rotate through the transmission shaft II (412), thereby realizing the left and right movement of the bundling mechanism (4), moving the bundling mechanism (4) to the left, and then the transport mechanism (2) moves forward and backward, respectively sending the stacked steel pipes into the front and rear bundling mechanisms (4) to bundle the two ends of the steel pipes. After bundling is completed, the bundling mechanism (4) is moved right and withdrawn, so that the transport mechanism (2) transports the bundled steel pipes to the designated position along the longitudinal ground rail.

5. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 3, characterized in that: The belt feeding device (43) includes: a bearing seat (431), a roller (432), a constant speed gear box (433), an intermittent rotating gear (434), and a servo motor I (435); there are two bearing seats (431), which are symmetrically mounted on the mounting frame in the middle of the frame structure (42) through bolt connection to support the roller (432); there are two rollers (432), the surface of which is processed with patterned rubber to increase the friction force when the steel belt is transported, and are respectively mounted in the bearing seat (431) and the constant speed gear box (433) through bearings, and are subjected to The constant speed gear box (433) is mounted on the frame structure (42) by bolt connection; the outer circle of the driving wheel of the intermittent rotating gear (434) is processed with gear teeth and a smooth cylindrical surface, the arc sector angle of the processed gear teeth is 60 degrees, the arc sector angle of the processed smooth cylindrical surface is 300 degrees, a through hole is processed in the center, and it is mounted on the servo motor I (435) by key connection, the outer circle of the driven wheel is processed with gear teeth and four evenly distributed locking arcs, a through hole is processed in the center, and it is mounted on the constant speed gear box (433) by key connection, the gear teeth on the driven wheel are connected to the gear teeth on the driving wheel. The gear teeth are identical and mesh 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 arc and the smooth cylindrical surface on the driving wheel cooperate with each other. When rotating, the gear teeth on the driving wheel and the gear teeth on the driven wheel mesh to play a transmission role, and the smooth cylindrical surface on the driving wheel and the locking arc on the driven wheel cooperate to play a stopping role. Because the driven wheel has four locking arcs, the driving wheel rotates one circle and drives the driven wheel to rotate a quarter of a circle. The arc sector angle of the smooth cylindrical surface on the driving wheel is five times the arc sector angle of the gear teeth, so the stopping time is five times the transmission time. When it is stopped, During the operation, the transport mechanism (2) transports the bundled steel bars away, and the transport mechanism (2) moves to the bottom of the coding mechanism (3) to start stacking, and after stacking, the steel bars are transported to the bundling mechanism (4); the servo motor I (435) is mounted on the motor mounting platform in the middle of the frame structure (42) by bolts; when working, the servo motor I (435) drives the two rollers (432) to rotate at a constant speed through the intermittent rotating gear (434) and the constant speed gear box (433), and the steel belt clamped between the two rollers (432) moves forward under the drive of the servo motor I (435).

6. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 5, characterized in that: The pushing device (44) includes: a head rack (441), a gear I (442), a servo motor II (443), and a support wheel (444); a triangular head is processed on the top of the head rack (441) and is installed in a vertical slide groove in the middle of the frame structure (42); the gear I (442) is installed on the mounting frame in the middle of the frame structure (42) through a bearing seat; the servo motor II (443) is installed on the motor mounting platform in the middle of the frame structure (42) and is connected to the gear I (442) through a sleeve coupling; the support wheel (444) is installed on the frame structure (42) through a bolt connection; when working, the servo motor II (443) drives the head rack (441) to rise through the gear I (442), drives the support wheel (444) forward, and thereby pushes the steel belt.

7. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 6, characterized in that: The steel strip head clamping device (45) comprises: a screw slider (451), a clamp (452), and a servo motor III (453); the screw slider (451) is mounted on the upper left side of the frame structure (42) by means of bolts; the fixed end of the clamp (452) is fixed to the base end of the screw slider (451), and the movable end of the clamp (452) is fixed to the top of the slider of the screw slider (451) by means of bolts, and the slider is connected to the linear guide rail at the bottom; The servo motor III (453) is connected to the screw of the screw slider (451) through a sleeve coupling; when working, the servo motor III (453) drives the screw slider (451) to realize the linear movement of the clamp (452) on the guide rail to clamp the protruding end of one end of the steel belt; the shearing device (46) includes: 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 mounted on the frame structure (42) by bolt connection; a connecting ear is processed at the center of the bottom surface of the sliding cutter (462) and is mounted in the horizontal slide groove on the upper part of the frame structure (42); the servo motor IV (463) is mounted on the motor mounting platform on the upper part of the frame structure (42); the transmission wheel (464) is mounted on the frame structure (42) through a bearing seat and is connected to the servo motor IV (463) through a sleeve coupling; the push rod (465) is in the shape of a rectangular parallelepiped as a whole, with connecting ears processed at both ends and a rectangular parallelepiped slot processed in the middle, and the connecting ears at both ends are respectively connected to the sliding cutter (462) and the frame structure (42) by a hinged manner; when working, the servo motor IV (463) drives the sliding cutter (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) cut the steel strip.

8. The steel pipe stacking, bundling and transporting device with adjustable stiffness and damping according to claim 7, characterized in that: During operation, the transport mechanism (2) advances in the ground rail (1) to the bottom of the coding mechanism (3), the clamp (36) of the coding mechanism (3) clamps the steel pipe, and through the drive of the motor III (37), the clamped steel pipe is transported to the top of the blanking trough (27) of the transport mechanism (2), the hydraulic rod (34) of the coding mechanism (3) extends, and the steel pipe is sent into the blanking trough (27). After the stacking is completed, the bundling mechanism (4) moves right in the transverse track groove of the ground rail (1), and then the transport mechanism (2) moves back and forth, and the two ends of the stacked steel pipe stack are respectively sent into the two bundling mechanisms (4), and then the servo motor I (435) of the bundling mechanism (4) drives the two rollers (432) to rotate at a constant speed through the constant speed gear box (433). The steel belt clamped in the two rollers (432) moves forward under the drive of the servo motor I (435). When the steel belt reaches the steel belt head clamp After the tightening device (45) is tightened, the servo motor III (453) drives the screw slider (451) to realize the linear movement of the clamp (452) on the guide rail to clamp the protruding end of one end of the steel strip. After clamping, the servo motor II (443) of the pushing device (44) drives the top rack (441) to rise through the gear I (442), driving the support wheel (444) to move forward and thereby tighten the steel strip. After tightening, the welding gun (49) welds the steel strip. After welding is completed, the servo motor IV (463) of the shearing device (46) drives the sliding cutter (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) cut the steel strip. After bundling is completed, the bundling mechanism (4) moves left, and then the transport mechanism (2) transports the bundled steel pipe stack to a designated position.

Images