A chain conveying device and method based on steel pipe production

Abstract

The present invention belongs to the technical field of steel pipe production and transportation, and in particular, a chain conveying device and method based on steel pipe production. Aiming at the low screening efficiency of secondary steel pipes during the conveying process, the following scheme is proposed, including a conveying frame and a suspension frame, wherein the suspension frame is located above the conveying frame, and both the conveying frame and the suspension frame are provided with symmetrical chain plates, and both the conveying frame and the suspension frame are provided with conveying motors, and the conveying frame is provided with a plurality of steel pipe conveying components, and the suspension frame is provided with a plurality of auxiliary components, and two brackets are fixedly connected to one side of the conveying frame away from the suspension frame, and the two brackets are symmetrically distributed. The chain conveying device and method based on steel pipe production disclosed by the present invention, on the basis of having the chain conveying function, can perform surface flatness detection on the conveyed steel pipe, sort out the secondary steel pipes with unqualified flatness, realize the autonomous detection function during the conveying process, and improve the overall production and processing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of steel pipe production and transportation, and in particular to a chain conveying device and method based on steel pipe production. Background Art

[0002] Steel pipe is a kind of steel with a hollow cross-section, whose length is much larger than its diameter or circumference. It is mainly used for conveying fluids and powdered solids, exchanging heat energy, manufacturing mechanical parts and containers. It is an economical steel and is widely used in transportation pipelines, engineering structures, thermal equipment, petrochemical industry and machinery manufacturing. When steel pipes are produced and processed, multiple processes need to be carried out in the workshop, such as cutting, grinding and coating. This process is currently operated by chain conveyors.

[0003] During the processing of steel pipes, the surface of the steel pipes may easily become dented due to stacking, transportation or operational problems. At this time, during the transportation process, it is necessary to manually pick out the secondary steel pipes in time to avoid being transported to subsequent links and causing waste of operating costs. This operation process is monotonous and has a high error rate, which affects the overall production and processing efficiency. Summary of the invention

[0004] The invention discloses a chain conveying device and method based on steel pipe production, aiming to solve the technical problem of low screening efficiency of secondary steel pipes during the conveying process in the background technology.

[0005] The present invention proposes a chain conveyor device based on steel pipe production, comprising a conveyor frame and a suspension frame, wherein the suspension frame is located above the conveyor frame, and both the conveyor frame and the suspension frame are provided with symmetrical chain plates, and both the conveyor frame and the suspension frame are provided with conveying motors, and the conveyor frame is provided with a plurality of steel pipe conveying components, and the suspension frame is provided with a plurality of auxiliary components, and two brackets are fixedly connected to one side of the conveyor frame away from the suspension frame, and the two brackets are symmetrically distributed, and the upper ends of the two brackets are fixedly connected to sorting rods;

[0006] The steel pipe conveying assembly includes two symmetrical conveying seats, each of which is provided with a placing rack above the two conveying seats, each of which is provided with a bracket on the opposite side of the two placing racks, and a pipe surface self-inspection module is provided between the two conveying seats;

[0007] The auxiliary assembly comprises two symmetrical auxiliary seats, a pressure frame is arranged below the two auxiliary seats, and a lever wheel is arranged between the auxiliary seats and the pressure frame.

[0008] By providing a conveying frame, a suspension frame, a chain plate, a conveying motor, a steel pipe conveying component, an auxiliary component and a pipe surface self-inspection module, the steel pipe conveying component continuously conveys the steel pipe on the conveying frame, and at the suspension frame position, the auxiliary component limits and fixes the steel pipe to facilitate the pipe surface self-inspection module to detect the flatness of the pipe surface of the steel pipe. After leaving the suspension frame position, the steel pipe that fails the inspection is lifted by the bracket and sorted by the sorting rod; the device is applied to the steel pipe production process. On the basis of having the chain conveying function, it can detect the surface flatness of the conveyed steel pipe, sort out inferior steel pipes with unqualified flatness, realize the autonomous inspection function in the conveying process, and improve the overall production and processing efficiency.

[0009] In a preferred embodiment, the steel pipe conveying assembly also includes a stand and a rail seat, the stand is located on the upper side of the conveying seat, the stand is fixedly connected to the conveying seat, the rail seat is located on the opposite side of two symmetrical conveying seats, the rail seat is fixedly connected to the conveying seat, a slide groove is provided on the rail seat, the movable seat is movably connected in the slide groove of the rail seat, and a lower pad is fixedly connected to the side of the stand away from the rail seat, and a lower cylinder shaft is fixedly connected to the side of the lower pad away from the stand; a vertical rectangular groove is provided on the stand, and a lifting platform is movably connected inside the rectangular groove, and a return spring is provided below the lifting platform to reset the lift. The upper and lower ends of the positioning spring are respectively fixedly connected to the lower side of the lifting platform and the bottom inner wall of the rectangular groove, the top of the lifting platform is fixedly connected to the lower side of the placement rack, the cross-sectional shape of the placement rack is an open "J" shape, two symmetrical strip-shaped rectangular holes are opened on the placement rack, roller rods are movably connected between the inner walls on both sides of the two strip-shaped rectangular holes, and a vertical rod is fixedly connected to the lower side of the placement rack, and a flat plate is fixedly connected to the lower end of the vertical rod, the flat plate is located above the rail seat, and an electric telescopic rod is fixedly connected to the upper side of the flat plate, the telescopic end of the electric telescopic rod is fixedly connected to the lower side of the bracket upward, and the bracket is located next to the placement rack.

[0010] A steel pipe conveying assembly is provided, which utilizes a chain conveying structure and is powered by a conveying motor to convey steel pipes. The placement frame is movable and can form a closed-loop limiting structure with the auxiliary assembly under the suspension frame, thereby facilitating the inspection of steel pipes. The bracket can be raised and lowered autonomously under the drive of an electric telescopic rod, which is convenient for lifting and sorting secondary steel pipes.

[0011] In a preferred scheme, the pipe surface self-inspection module includes a cross frame, which is located between the two movable seats, and the opposite sides of the two movable seats are fixedly connected with a curved seat, the two curved seats are fixedly connected to the cross frame, and a plurality of equidistant circular holes are opened on the cross frame, the interior of the circular holes are movably connected with a self-inspection rod, the upper ends of the self-inspection rods are fixedly connected with a wheel seat, and the wheel seats are movably connected with a spherical wheel; the self-inspection rods are fixedly connected with a gasket, the gasket is located below the cross frame, the outside of the self-inspection rods are movably connected with a self-inspection spring, the upper and lower ends of the self-inspection spring are respectively fixedly connected to the lower side of the cross frame and the upper side of the gasket, the lower end of the self-inspection rod is fixedly connected to a base frame, the base frame is fixedly connected with a guide rod, the upper ends of the guide rods are fixedly connected with an electric contact rod, the electric contact rod is arranged obliquely upward, and one side of the two curved seats is fixedly connected with an auxiliary frame, a sensing rod is fixedly connected between the two auxiliary frames, and the sensing rod is located below the multiple electric contact rods.

[0012] By setting up a pipe surface self-inspection module, the pipe surface self-inspection module uses the change of the electric frequency signal to feedback the flatness of the pipe surface so as to achieve the effect of detecting the flatness of the pipe surface. The elastic properties of the self-inspection spring are used to ensure that the spherical wheel always keeps in contact with the steel pipe, and the change information of the electric frequency signal is obtained.

[0013] In a preferred solution, the movable seat is fixedly connected to a limiting seat below, the limiting seat is located below the rail seat, the lower side of the limiting seat is movably connected to two symmetrical limiting rollers, and a same reciprocating limiting rod is arranged between the two limiting rollers on the lower sides of multiple limiting seats on the same side, the upper section of the reciprocating limiting rod is wavy, and the lower section of the reciprocating limiting rod is straight, the reciprocating limiting rod is fixedly connected to a mounting frame, the positions of the mounting frames on the two reciprocating limiting rods are symmetrical to each other, and the mounting frames are fixedly connected to the inner wall of the conveying frame on the same side.

[0014] By providing a reciprocating limit rod, under the limiting action of the reciprocating limit rod, the movable seat can perform horizontal reciprocating motion during the self-inspection process, thereby driving the cross frame to move, so that the spherical wheel can contact and detect different parts of the steel pipe, thereby improving the accuracy of the self-inspection result.

[0015] In a preferred embodiment, the auxiliary component also includes a suspension platform, which is located between the auxiliary seat and the pressure frame. The suspension platform is fixedly connected to the lower end of the auxiliary seat and the upper side of the pressure frame. The pressure frame is in a semicircular shape with an opening facing downward. The opposite sides of the two symmetrical auxiliary seats are fixedly connected to upper pads, and the sides of the upper pads away from the auxiliary seats are fixedly connected to upper cylinder shafts, and a through hole is opened on the suspension seat. The side of the suspension seat away from the upper pad is fixedly connected to an auxiliary motor, and the output end of the auxiliary motor is connected to a short shaft via a coupling, and the other end of the short shaft passes through the through hole of the suspension seat and is fixedly connected to the lever wheel, and the lever wheel is located below the upper cylinder shaft.

[0016] An auxiliary component is provided, which adopts an auxiliary seat that moves synchronously with the conveying seat. The downward pressure of the pressure frame and the placement seat form a closed loop to limit the steel pipe. During the self-inspection process, the steel pipe is moved by the lever wheel to make it rotate, thereby improving the comprehensiveness of the steel pipe inspection.

[0017] In a preferred solution, connecting chains are provided between the multiple conveying seats and the multiple auxiliary seats located on the same side, and the connecting chains are respectively located at the two ends of the two upper cylinder shafts or the two lower cylinder shafts and are symmetrically distributed, and the connecting chain and the upper cylinder shafts form a chain located between the two chain plates of the suspension frame for transmission connection, and the connecting chain and the lower cylinder shafts form a chain located between the two chain plates of the conveying frame for transmission connection; symmetrical supporting legs are fixedly connected to the lower side of the conveying frame, and symmetrical lifting rods are fixedly connected to the upper side of the suspension frame.

[0018] A chain conveying method based on steel pipe production, using the chain conveying device based on steel pipe production as described above, comprises the following steps:

[0019] Step 1: Place the steel pipe on two symmetrical racks for transportation;

[0020] Step 2: The steel pipe is transported to the bottom of the suspension frame, the steel pipe transport assembly and the auxiliary assembly are fitted together, the pressing frame and the placement frame form a closed loop to limit and fix the steel pipe, and the steel pipe continues to be transported;

[0021] Step 3: When the steel pipe is transported under the suspension rack, the lever wheel moves the steel pipe to rotate it between the pressing rack and the placing rack. At the same time, the pipe surface self-inspection module detects the surface of the steel pipe and records the signal of the steel pipe that does not meet the specifications;

[0022] Step 4: After the steel pipes leave the suspension rack, the steel pipes that meet the specifications will continue to be transported, and the steel pipes that are marked as unqualified will be lifted by the bracket and sorted from the sorting rod position.

[0023] From the above, it can be seen that the chain conveying device based on steel pipe production provided by the present invention has the function of chain conveying and can perform surface flatness detection on the conveyed steel pipes, sort out secondary steel pipes with unqualified flatness, realize the autonomous detection function during the conveying process, and improve the overall production and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a chain conveyor device based on steel pipe production proposed by the present invention;

[0025] Figure 2 This is a schematic diagram of the main structure of a chain conveyor device based on steel pipe production proposed by the present invention;

[0026] Figure 3A schematic side view of the structure of a chain conveyor device based on steel pipe production proposed by the present invention;

[0027] Figure 4 A schematic diagram of the internal structure of a conveyor frame of a chain conveyor device based on steel pipe production proposed by the present invention;

[0028] Figure 5 A schematic diagram of the positions of a steel pipe conveying assembly and a pipe surface self-inspection module of a chain conveying device based on steel pipe production proposed by the present invention;

[0029] Figure 6 This is a schematic diagram of the structure of a steel pipe conveying component of a chain conveying device based on steel pipe production proposed by the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of a pipe surface self-inspection module of a chain conveyor device based on steel pipe production proposed by the present invention;

[0031] Figure 8 A schematic diagram of the positions of auxiliary components of a chain conveyor device based on steel pipe production proposed by the present invention;

[0032] Fig. 9 This is a schematic diagram of the structure of auxiliary components of a chain conveyor device based on steel pipe production proposed by the present invention;

[0033] Fig.10 A schematic diagram of the position of a sorting rod of a chain conveyor device based on steel pipe production proposed by the present invention;

[0034] Fig.11 This is a schematic diagram of the sorting state of a chain conveyor device based on steel pipe production proposed by the present invention.

[0035] In the figure: 1, conveying frame; 2, suspension frame; 3, chain plate; 4, conveying motor; 5, connecting chain; 6, steel pipe conveying assembly; 601, conveying seat; 602, placement frame; 603, movable seat; 604, vertical seat; 605, rail seat; 606, lower pad; 607, lower cylinder shaft; 608, lifting platform; 609, reset spring; 610, roller rod; 611, vertical rod; 612, flat plate; 613, electric telescopic rod; 614, bracket; 7, pipe surface self-inspection module; 701, horizontal frame; 702, curved seat; 703, self Inspection rod; 704, spherical wheel; 705, gasket; 706, self-checking spring; 707, base frame; 708, guide rod; 709, electric contact rod; 710, auxiliary frame; 711, induction rod; 8, auxiliary components; 801, auxiliary seat; 802, upper pad; 803, upper cylinder shaft; 804, suspension platform; 805, pressure frame; 806, auxiliary motor; 807, lever wheel; 9, support frame; 10, sorting rod; 11, limit seat; 12, limit roller; 13, reciprocating limit rod; 14, mounting frame; 15, support leg; 16, lifting rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] The present invention discloses a chain conveying device based on steel pipe production, which is mainly used in the scenario where the screening efficiency of secondary steel pipes is low during the conveying process.

[0038] Reference Figure 1-11 A chain conveyor device based on steel pipe production includes a conveyor frame 1 and a suspension frame 2, the suspension frame 2 is located above the conveyor frame 1, the conveyor frame 1 and the suspension frame 2 are both provided with symmetrical chain plates 3, and the conveyor frame 1 and the suspension frame 2 are both provided with conveying motors 4, the conveyor frame 1 is provided with a plurality of steel pipe conveying components 6, and the suspension frame 2 is provided with a plurality of auxiliary components 8, and the conveyor frame 1 is provided with two support frames 9 connected by bolts on one side away from the suspension frame 2, the two support frames 9 are symmetrically distributed, and the upper ends of the two support frames 9 are both connected with sorting rods 10 by bolts;

[0039] The steel pipe conveying assembly 6 includes two symmetrical conveying seats 601, a placement rack 602 is disposed above the two conveying seats 601, a bracket 614 is disposed on the opposite side of the two placement racks 602, and a pipe surface self-inspection module 7 is disposed between the two conveying seats 601;

[0040] The auxiliary assembly 8 includes two symmetrical auxiliary seats 801 . A pressure frame 805 is disposed below each of the two auxiliary seats 801 , and a lever wheel 807 is disposed between each of the auxiliary seats 801 and the pressure frame 805 .

[0041] Specifically, the steel pipe is placed on two symmetrical placement racks 602 for transportation. The steel pipe is transported to the bottom of the suspension rack 2. The steel pipe transportation assembly 6 and the auxiliary assembly 8 fit each other. The pressing rack 805 and the placement rack 602 form a closed loop to limit and fix the steel pipe. The steel pipe continues to be transported. When the steel pipe is transported under the suspension rack 2, the lever wheel 807 moves the steel pipe to rotate between the pressing rack 805 and the placement rack 602. At the same time, the pipe surface self-inspection module 7 detects the surface of the steel pipe and records the signal of the steel pipe that does not meet the specifications. After the steel pipe leaves the position of the suspension rack 2, the steel pipe that meets the specifications continues to be transported.

[0042] In a specific application scenario, the steel pipe conveying component 6 continuously conveys the steel pipe on the conveying frame 1. At the position of the suspension frame 2, the auxiliary component 8 limits and fixes the steel pipe to facilitate the pipe surface self-inspection module 7 to detect the flatness of the pipe surface of the steel pipe. After leaving the position of the suspension frame 2, the unqualified steel pipe is lifted by the bracket 614 and sorted by the sorting rod 10. The device is applied to the steel pipe production process. On the basis of having the chain conveying function, it can perform surface flatness detection on the conveyed steel pipe, sort out secondary steel pipes with unqualified flatness, realize the autonomous detection function during the conveying process, and improve the overall production and processing efficiency.

[0043] Reference Figure 4 , Figure 5 and Figure 6, in a preferred embodiment, the steel pipe conveying assembly 6 further includes a vertical seat 604 and a rail seat 605. The vertical seat 604 is located on the upper side of the conveying seat 601, and the vertical seat 604 is bolted to the conveying seat 601. The rail seat 605 is located on the opposite side of two symmetric conveying seats 601, and the rail seat 605 is bolted to the conveying seat 601. A chute is provided on the rail seat 605, and the movable seat 603 is slidably connected within the chute of the rail seat 605. And on the side of the vertical seat 604 away from the rail seat 605, a lower backing plate 606 is bolted, and on the side of the lower backing plate 606 away from the vertical seat 604, a lower cylinder shaft 607 is bolted; a vertically-shaped rectangular groove is provided on the vertical seat 604, and a lifting platform 608 is slidably connected within the rectangular groove. A return spring 609 is provided below the lifting platform 608, and the upper and lower ends of the return spring 609 are respectively bolted to the lower side of the lifting platform 608 and the bottom inner wall of the rectangular groove. The top end of the lifting platform 608 is bolted to the lower side of the placement rack 602. The cross-sectional shape of the placement rack 602 is a U-shape with an upward opening. Two symmetric strip-shaped rectangular holes are provided on the placement rack 602, and roller rods 610 are rotatably connected between the inner walls on both sides of the two strip-shaped rectangular holes through bearings. And on the lower side of the placement rack 602, a vertical rod 611 is bolted, and the lower end of the vertical rod 611 is bolted to a flat plate 612. The flat plate 612 is located above the rail seat 605, and an electric telescopic rod 613 is bolted to the upper side of the flat plate 612. The telescopic end of the electric telescopic rod 613 extends upward and is bolted to the lower side of a bracket 614. The bracket 614 is located beside the placement rack 602.

[0044] Specifically, the steel pipe is placed within the placement rack 602, and the symmetric placement racks 602 support it from both ends of the steel pipe;

[0045] When entering the position of the suspension rack 2, due to the pressure exerted by the pressing rack 805 on the placement rack 602, the lifting platform 608 will be forced to move downward, and the return spring 609 will undergo elastic deformation;

[0046] When leaving the position of the suspension rack 2, the pressure exerted on the placement rack 602 gradually decreases until it disappears. Under the elastic force of the return spring 609, the placement rack 602 returns to its original position;

[0047] When a steel pipe that fails the inspection appears, the electric telescopic rod 613 receives a feedback signal and extends. The two brackets 614 synchronously move upward to lift the steel pipe on the placement rack 602. After reaching the sorting rod 10 position, the electric telescopic rod 613 drives the bracket 614 to return to its original position;

[0048] In a specific application scenario, the steel pipe conveying assembly 6 is suitable for the conveying link of the steel pipe on the conveying rack 1, that is, the steel pipe conveying assembly 6 utilizes a chain conveying structure, and is powered by a conveying motor 4 to convey the steel pipe. The placement rack 602 is movable and can form a closed-loop limiting structure with the auxiliary assembly 8 under the suspension rack 2, thereby facilitating the inspection of the steel pipe. The bracket 614 can be autonomously raised and lowered under the drive of the electric telescopic rod 613, which is convenient for lifting and sorting secondary steel pipes.

[0049] It should be noted that during the operation of the pipe surface self-inspection module 7, the steel pipe is subjected to force to rotate on the roller rod 610, and the roller rod 610 maintains the smoothness of the steel pipe during the self-inspection rotation process.

[0050] Reference Figure 4 , Figure 5 and Figure 7 In a preferred embodiment, the pipe surface self-inspection module 7 includes a cross frame 701, which is located between two movable seats 603, and the two movable seats 603 are connected to curved seats 702 on opposite sides by bolts, and the two curved seats 702 are connected to the cross frame 701 by bolts, and a plurality of equidistant circular holes are opened on the cross frame 701, and the interiors of the circular holes are slidably connected with self-inspection rods 703, and the upper ends of the self-inspection rods 703 are connected to wheel seats by bolts, and the wheel seats are movably connected with spherical wheels 704; the self-inspection rods 703 are connected to gaskets 705 by bolts, and the gaskets 705 are located below the cross frame 701, The outside of the self-checking rod 703 is sleeved with a self-checking spring 706, and the upper and lower ends of the self-checking spring 706 are respectively connected to the lower side of the cross frame 701 and the upper side of the gasket 705 by bolts, and the lower end of the self-checking rod 703 is connected to the base frame 707 by bolts, and the base frame 707 is connected to a guide rod 708 by bolts, and the upper end of the guide rod 708 is connected to an electric contact rod 709 by bolts. The electric contact rod 709 is arranged upwardly and inclined, and one side of the two curved seats 702 is connected to an auxiliary frame 710 by bolts, and a sensing rod 711 is connected between the two auxiliary frames 710 by bolts, and the sensing rod 711 is located below the multiple electric contact rods 709.

[0051] Specifically, the steel pipe enters the bottom of the suspension frame 2, and the steel pipe moves downward along with the placement frame 602. At this time, the steel pipe will contact the spherical wheel 704 and press it downward to make it move downward. The self-test spring 706 is stretched and elastically deformed. Along with the downward movement of the self-test rod 703, the electric contact rod 709 will move closer to the sensing rod 711 until it touches it.

[0052] During the detection process, under the elastic force of the self-checking spring 706, the spherical wheel 704 will always keep in contact with the surface of the steel pipe. When a depression appears on the surface of the steel pipe, the spherical wheel 704 in contact with the depression will move up, and the self-checking rod 703 drives the electric contact rod 709 to move upward and separate from the contact point of the sensing rod 711. The electric frequency signal is changed and thus fed back and recorded; after leaving the position of the suspension frame 2, the recorded signal will be fed back to the electric telescopic rod 613 of the conveying seat 601;

[0053] In a specific application scenario, the pipe surface self-inspection module 7 is suitable for the flatness detection link of the steel pipe surface, that is, the pipe surface self-inspection module 7 uses the change of the electric frequency signal to feedback the flatness of the pipe surface so as to achieve the effect of detecting the flatness of the pipe surface, and uses the elastic properties of the self-inspection spring 706 to ensure that the spherical wheel 704 always maintains contact with the steel pipe to obtain the change information of the electric frequency signal.

[0054] Reference Figure 4 , Figure 7 and Fig.10 In a preferred embodiment, the lower part of the movable seat 603 is connected to the limit seat 11 by bolts, the limit seat 11 is located below the rail seat 605, the lower side of the limit seat 11 is rotatably connected to two symmetrical limit rollers 12 through bearings, and a same reciprocating limit rod 13 is arranged between the two limit rollers 12 on the lower sides of the multiple limit seats 11 on the same side, the upper section of the reciprocating limit rod 13 is wavy, and the lower section of the reciprocating limit rod 13 is straight, and the reciprocating limit rod 13 is connected to a mounting frame 14 by bolts, the mounting frames 14 on the two reciprocating limit rods 13 are symmetrically positioned, and the mounting frames 14 are connected to the inner wall of the conveying frame 1 on the same side by bolts.

[0055] Specifically, the wave section of the reciprocating limit rod 13 is directly below the suspension frame 2; during the movement of the conveying seat 601, the reciprocating limit rod 13 is always between the two limit rollers 12. When it is below the suspension frame 2 (self-inspection process), it is limited by the reciprocating limit rod 13 (wave-shaped), and the movable seat 603 will move laterally on the rail seat 605, and the spherical wheel 704 rolls on the surface of the steel pipe; under the limiting action of the reciprocating limit rod 13, the movable seat 603 can perform horizontal reciprocating motion during the self-inspection process, thereby driving the cross frame 701 to move, so that the spherical wheel 704 can perform contact detection with different parts of the steel pipe, thereby improving the accuracy of the self-inspection results.

[0056] Reference Figure 8 and Fig. 9In a preferred embodiment, the auxiliary component 8 also includes a suspension 804, which is located between the auxiliary seat 801 and the pressure frame 805. The suspension 804 is connected to the lower end of the auxiliary seat 801 and the upper side of the pressure frame 805 by bolts. The pressure frame 805 is in a semicircular shape with an opening facing downward. The opposite sides of the two symmetrical auxiliary seats 801 are connected to the upper pad 802 by bolts, and the side of the upper pad 802 away from the auxiliary seat 801 is connected to the upper cylinder shaft 803 by bolts, and a through hole is opened on the suspension seat. The side of the suspension seat away from the upper pad 802 is connected to the auxiliary motor 806 by bolts, and the output end of the auxiliary motor 806 is connected to a short shaft through a coupling, and the other end of the short shaft passes through the through hole of the suspension seat and is connected to the lever wheel 807 by bolts, and the lever wheel 807 is located below the upper cylinder shaft 803.

[0057] Specifically, at the position of the suspension frame 2, the auxiliary seat 801 flipped downward drives the pressing frame 805 to approach the placing frame 602 and contact and squeeze it, so that the placing frame 602 moves downward, and the pressing frame 805 and the placing frame 602 form a closed loop, and the lever wheel 807 presses and limits the steel pipe;

[0058] During the self-checking process, the two auxiliary motors 806 drive the lever wheel 807 to rotate synchronously, and the lever wheel 807 drives the steel pipe to rotate;

[0059] In a specific application scenario, the auxiliary component 8 is suitable for limiting the position and driving the steel pipe to rotate during the self-inspection process, that is, the auxiliary component 8 adopts an auxiliary seat 801 that moves synchronously with the conveying seat 601, and uses the pressing frame 805 to press down and form a closed loop with the placement seat to limit the position of the steel pipe, and during the self-inspection process, the steel pipe is driven by the lever wheel 807 to make it rotate, thereby improving the comprehensiveness of the steel pipe detection.

[0060] Reference Figure 1 , Figure 2 and Figure 3 In a preferred embodiment, a connecting chain 5 is provided between the multiple conveying seats 601 and the multiple auxiliary seats 801 located on the same side. The connecting chains 5 are respectively located at both ends of the two upper cylinder shafts 803 or the two lower cylinder shafts 607 and are symmetrically distributed. The connecting chain 5 and the upper cylinder shafts 803 form a chain located between the two chain plates 3 of the suspension frame 2 for transmission connection, and the connecting chain 5 and the lower cylinder shafts 607 form a chain located between the two chain plates 3 of the conveying frame 1 for transmission connection; the lower side of the conveying frame 1 is connected with symmetrical supporting legs 15 by bolts, and the upper side of the suspension frame 2 is connected with symmetrical lifting rods 16 by bolts.

[0061] A chain conveying method based on steel pipe production, using the chain conveying device based on steel pipe production as described above, comprises the following steps:

[0062] Step 1: Place the steel pipe on two symmetrical placement racks 602 for transportation;

[0063] Step 2: The steel pipe is transported to the bottom of the suspension frame 2, the steel pipe transport assembly 6 and the auxiliary assembly 8 fit each other, the pressing frame 805 and the placing frame 602 form a closed loop to limit and fix the steel pipe (the downward-turned auxiliary seat 801 drives the pressing frame 805 to approach the placing frame 602 and contact and squeeze, the placing frame 602 is subjected to the pressure of the pressing frame 805, the lifting platform 608 is forced to move downward, the reset spring 609 undergoes elastic deformation, the pressing frame 805 and the placing frame 602 form a closed loop, and the lever wheel 807 presses and limits the steel pipe), and the steel pipe continues to be transported;

[0064] Step 3: When the steel pipe is transported under the suspension frame 2, the lever wheel 807 moves the steel pipe to rotate between the pressing frame 805 and the placing frame 602 (the two auxiliary motors 806 drive the lever wheel 807 to rotate synchronously, and the lever wheel 807 drives the steel pipe to rotate). At the same time, the pipe surface self-inspection module 7 detects the surface of the steel pipe (under the elastic force of the self-inspection spring 706, the spherical wheel 704 will always keep in contact with the surface of the steel pipe. When a depression appears on the surface of the steel pipe, the spherical wheel 704 in contact with the depression moves up, and the self-inspection rod 703 drives the electric contact rod 709 to move upward and separate from the contact point of the sensing rod 711. The electric frequency signal is changed and thus fed back and recorded; after leaving the suspension frame 2 position, the recorded signal will be fed back to the electric telescopic rod 613 of the conveying seat 601), and the signal of the steel pipe that does not meet the specifications is recorded;

[0065] Step 4. After the steel pipes leave the suspension rack 2 position, the steel pipes that meet the specifications continue to be transported, and the steel pipes that are marked unqualified are lifted by the bracket 614 (the electric telescopic rod 613 receives the feedback signal to extend, and the two brackets 614 move up synchronously to lift the steel pipes on the placement rack 602. After arriving at the position of the sorting rod 10, the electric telescopic rod 613 drives the bracket 614 to reset), and are sorted from the position of the sorting rod 10.

[0066] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A chain conveyor device based on steel pipe production, comprising a conveyor frame (1) and a suspension frame (2), characterized in that: The suspension frame (2) is located above the conveying frame (1), and symmetrical chain plates (3) are provided on the conveying frame (1) and the suspension frame (2), and conveying motors (4) are provided on the conveying frame (1) and the suspension frame (2). A plurality of steel pipe conveying components (6) are provided on the conveying frame (1), and a plurality of auxiliary components (8) are provided on the suspension frame (2). Two support frames (9) are fixedly connected to one side of the conveying frame (1) away from the suspension frame (2), and the two support frames (9) are symmetrically distributed, and the upper ends of the two support frames (9) are fixedly connected to sorting rods (10); The steel pipe conveying assembly (6) comprises two symmetrical conveying seats (601), a placement rack (602) is arranged above the two conveying seats (601), a bracket (614) is arranged on the opposite side of the two placement racks (602), and a pipe surface self-inspection module (7) is arranged between the two conveying seats (601); The auxiliary assembly (8) comprises two symmetrical auxiliary seats (801), a pressing frame (805) is arranged below the two auxiliary seats (801), and a lever wheel (807) is arranged between the auxiliary seats (801) and the pressing frame (805); The steel pipe conveying assembly (6) further comprises a stand (604), a rail seat (605) and an active seat (603); the stand (604) is located on the upper side of the conveying seat (601), the stand (604) and the conveying seat (601) are fixedly connected, the rail seat (605) is located on the opposite side of the two symmetrical conveying seats (601), the rail seat (605) and the conveying seat (601) are fixedly connected, a slide groove is provided on the rail seat (605), and the active seat (603) is movably connected to the slide groove of the rail seat (605); The stand (604) is provided with a vertical rectangular groove, and a lifting platform (608) is movably connected inside the rectangular groove. A return spring (609) is arranged below the lifting platform (608). The upper and lower ends of the return spring (609) are respectively fixedly connected to the lower side of the lifting platform (608) and the bottom inner wall of the rectangular groove. The top of the lifting platform (608) is fixedly connected to the lower side of the placement rack (602); and a vertical rod (611) is fixedly connected to the lower side of the placement rack (602), and a flat plate (612) is fixedly connected to the lower end of the vertical rod (611). The flat plate (612) is located above the rail seat (605). An electric telescopic rod (613) is fixedly connected to the upper side of the flat plate (612). The telescopic end of the electric telescopic rod (613) is fixedly connected to the lower side of a bracket (614) upwards. The bracket (614) is located beside the placement rack (602); The pipe surface self-inspection module (7) comprises a cross frame (701), the cross frame (701) is located between two movable seats (603), the two movable seats (603) are fixedly connected to a curved seat (702) on opposite sides, the two curved seats (702) and the cross frame (701) are fixedly connected, and the cross frame (701) is provided with a plurality of equidistant circular holes, the interiors of the circular holes are movably connected to a self-inspection rod (703), the upper ends of the self-inspection rods (703) are fixedly connected to a wheel seat, and the wheel seats are movably connected to a spherical wheel (704); The self-checking rod (703) is fixedly connected with a gasket (705), the gasket (705) is located below the cross frame (701), the outside of the self-checking rod (703) is movably connected with a self-checking spring (706), the upper and lower ends of the self-checking spring (706) are respectively fixedly connected to the lower side of the cross frame (701) and the upper side of the gasket (705), the lower end of the self-checking rod (703) is fixedly connected with a base frame (707), the base frame (707) is fixedly connected with a guide rod (708), the upper end of the guide rod (708) is fixedly connected with an electric contact rod (709), the electric contact rod (709) is arranged to be inclined upward, and one side of the two curved seats (702) is fixedly connected with an auxiliary frame (710), a sensing rod (711) is fixedly connected between the two auxiliary frames (710), and the sensing rod (711) is located below the plurality of electric contact rods (709).

2. A chain conveyor device based on steel pipe production according to claim 1, characterized in that: A lower pad (606) is fixedly connected to the side of the stand (604) away from the rail seat (605), and a lower cylinder shaft (607) is fixedly connected to the side of the lower pad (606) away from the stand (604).

3. A chain conveyor device based on steel pipe production according to claim 2, characterized in that: The cross-sectional shape of the placement rack (602) is an open-upward "X" shape. Two symmetrical strip-shaped rectangular holes are provided on the placement rack (602). Roller rods (610) are movably connected between the inner walls on both sides of the two strip-shaped rectangular holes.

4. A chain conveyor device based on steel pipe production according to claim 3, characterized in that: The movable seat (603) is fixedly connected to a limit seat (11) below, and the limit seat (11) is located below the rail seat (605). The lower side of the limit seat (11) is movably connected to two symmetrical limit rollers (12), and a same reciprocating limit rod (13) is arranged between the two limit rollers (12) on the lower sides of the plurality of limit seats (11) on the same side, the upper section of the reciprocating limit rod (13) is wavy, and the lower section of the reciprocating limit rod (13) is straight, and a mounting frame (14) is fixedly connected to the reciprocating limit rod (13), and the mounting frames (14) on the two reciprocating limit rods (13) are symmetrical to each other, and the mounting frames (14) are fixedly connected to the inner wall of the conveying frame (1) on the same side.

5. A chain conveyor device based on steel pipe production according to claim 4, characterized in that: The auxiliary assembly (8) further comprises a suspension platform (804), the suspension platform (804) being located between the auxiliary seat (801) and the pressing frame (805), the suspension platform (804) being fixedly connected to the lower end of the auxiliary seat (801) and the upper side of the pressing frame (805), the pressing frame (805) being in a semicircular shape with an opening facing downward, and upper pads (802) being fixedly connected to the opposite sides of the two symmetrical auxiliary seats (801), and the upper pads (802) being away from the auxiliary seat (801). 1) is fixedly connected to an upper cylinder shaft (803) on one side, and a through hole is opened on the suspension platform (804), and an auxiliary motor (806) is fixedly connected to the side of the suspension platform (804) away from the upper pad (802), and the output end of the auxiliary motor (806) is connected to a short shaft through a coupling, and the other end of the short shaft passes through the through hole of the suspension platform (804) and is fixedly connected to a lever wheel (807), and the lever wheel (807) is located below the upper cylinder shaft (803).

6. A chain conveyor device based on steel pipe production according to claim 5, characterized in that: A connecting chain (5) is provided between the plurality of conveying seats (601) and the plurality of auxiliary seats (801) located on the same side. The connecting chains (5) are respectively located at the two ends of the two upper cylinder shafts (803) or the two lower cylinder shafts (607) and are symmetrically distributed. The connecting chain (5) and the upper cylinder shafts (803) form a chain that is transmission-connected between the two chain plates (3) of the suspension frame (2), and the connecting chain (5) and the lower cylinder shafts (607) form a chain that is transmission-connected between the two chain plates (3) of the conveying frame (1).

7. A chain conveyor device based on steel pipe production according to claim 6, characterized in that: The lower side of the conveying frame (1) is fixedly connected with symmetrical supporting legs (15), and the upper side of the suspension frame (2) is fixedly connected with symmetrical hanging rods (16).

8. A chain conveying method based on steel pipe production, using a chain conveying device based on steel pipe production according to claim 7, characterized in that: The steps include: Step 1: placing the steel pipe on two symmetrical placement racks (602) for transportation; Step 2: The steel pipe is transported to the bottom of the suspension frame (2), the steel pipe transport assembly (6) and the auxiliary assembly (8) are fitted together, the pressing frame (805) and the placement frame (602) form a closed loop to limit and fix the steel pipe, and the steel pipe continues to be transported; Step 3: When the steel pipe is transported under the suspension frame (2), the lever wheel (807) moves the steel pipe to rotate between the pressing frame (805) and the placing frame (602), and at the same time, the pipe surface self-inspection module (7) detects the surface of the steel pipe and records the signal of the steel pipe that does not meet the specifications; Step 4: After the steel pipes leave the suspension frame (2), the steel pipes that meet the specifications are continuously transported, while the steel pipes that are marked as unqualified are lifted by the bracket (614) and sorted from the sorting rod (10).

Images