Horizontal butt joint device for steel pipes

Abstract

The present invention discloses a horizontal docking device for steel pipes, which belongs to the technical field of pipeline installation. The device includes a support assembly, a transverse support rod, a steel pipe displacement mechanism and a moving mechanism, and the support assembly, the steel pipe displacement mechanism and the moving mechanism are all arranged on the transverse support rod; there are two moving mechanisms, which are arranged at the left and right ends of the transverse support rod; the support assembly is arranged on the left side of the transverse support rod, including a first circular sliding tube, a second adjustment device and a stop block; the steel pipe displacement mechanism is arranged on the right side of the transverse support rod, including a second circular sliding tube, a second vertical limit rod, a third adjustment device, a horizontal moving device and a horizontal support plate. The device of the present invention only needs manual operation, and the two pressure steel pipes can be accurately docked by adjusting the deformation part of the docking steel pipe while reducing the distance between the two docking steel pipes. The device can be applied to pressure steel pipes of different diameters, has strong applicability, is simple to operate, and saves time and effort.

Description

Technical Field

[0001] The invention belongs to the technical field of pipeline installation, and in particular relates to a horizontal butt joint device for steel pipes. Background Art

[0002] A hydropower station consists of a hydraulic system, a mechanical system, and an electric power generation device. It is a key water conservancy project that realizes the conversion of water energy into electric energy. The sustainability of electric energy production requires the uninterrupted use of water energy in a hydropower station. Through the construction of a hydropower station reservoir system, the distribution of water resources in time and space is artificially adjusted and changed to achieve sustainable use of water resources.

[0003] Pressure pipe, also known as pressure steel pipe or hydraulic steel pipe, is a steel pipeline used to transport extremely high water pressure water flow. Among them, the steel pipe is a closed environment, and the strength of the water flow can be controlled through the switch of the sluice gate or fence. During the installation process of the pressure steel pipe, generally multiple sections of unit pressure steel pipes are connected, and the screw jack is welded into a support rod according to the diameter of the pressure steel pipe, and the pressure steel pipe is connected section by section. The connected steel pipes not only require good sealing, but also the paired pipes should reduce shaking as much as possible and have good stability. However, due to the large diameter of the pressure steel pipe, there are problems of large misalignment and uneven docking when the two pressure steel pipes are connected. The existing method requires manual use of the jack to adjust the misalignment of the pipe before welding the joints of the pressure pipe, and a small amount of movement is required when connecting another section of the pressure pipe, which is also a manual operation and time-consuming and labor-intensive. Summary of the invention

[0004] The purpose of the present invention is to overcome the problems of the prior art in which pressure steel pipes are butt-jointed, such as large misalignment and uneven butt-jointing, due to the large diameter of the overall pressure steel pipe. A horizontal butt-jointing device for steel pipes is provided.

[0005] The object of the present invention is achieved by the following technical solutions: A horizontal docking device for steel pipes, comprising a support assembly, a transverse support rod, a steel pipe displacement mechanism and a moving mechanism, wherein the support assembly, the steel pipe displacement mechanism and the moving mechanism are all arranged on the transverse support rod;

[0006] The moving mechanism is two and is arranged at the left and right ends of the transverse support rod, including a first adjusting device and a universal wheel. The first adjusting device is arranged below the transverse support rod to adjust the support rod to move up and down, and the universal wheel is arranged at the bottom of the first adjusting device.

[0007] The support assembly is arranged on the left side of the transverse support rod, and includes a first circular sliding tube, a second adjusting device and a stop block. The first circular sliding tube is arranged vertically with the transverse support rod, one end of the first circular sliding tube is connected with the second adjusting device, and the other end is vertically connected with the stop block; the second adjusting device is arranged on the transverse support rod to adjust the length of the first circular sliding tube;

[0008] The steel pipe displacement mechanism is arranged on the right side of the transverse support rod, and includes a second circular sliding tube, a second vertical limit rod, a third adjusting device, a horizontal moving device and a horizontal support plate; the third adjusting device is arranged on the transverse support rod, connected to the second circular sliding tube, and the second circular sliding tube is perpendicular to the transverse support rod; one end of the second vertical limit rod is connected to the side wall of the second circular sliding tube, and the other end is fixed with a horizontal support plate; the horizontal moving device is arranged on the side wall of the second circular sliding tube, and connected to the second vertical limit rod; the third adjusting device adjusts the length of the second circular sliding tube, and the horizontal moving device adjusts the horizontal position of the second vertical limit rod.

[0009] As a further technical solution, the first adjusting device includes a first cylinder and a support seat, the first cylinder is fixed on the support seat, the output shaft is vertically fixedly connected to the transverse support rod, and the universal wheel is arranged at the bottom of the support seat.

[0010] As a further technical solution, the second adjusting device includes a second cylinder, a first limiting rod, a first slider and a first transmission rod; the second cylinder is horizontally arranged on the transverse support rod, and the output shaft is fixedly connected to the first slider sleeved on the transverse support rod; one end of the first limiting rod is vertically connected to the transverse support rod on the right side of the first slider, and the other end is sleeved with a first circular sliding tube, and the first slider and the first circular sliding tube are hinged through the first transmission rod.

[0011] As a further technical solution, at least four first limit rods are arranged, evenly distributed on the circumference of the fixed ring, and the fixed ring is rotatably clamped on the transverse support rod; the number of the first transmission rods is the same as the number of the first limit rods, and they are evenly distributed along the side wall of the first slider.

[0012] As a further technical solution, the third adjusting device comprises a third cylinder, a second slider, a first vertical limiting rod and a second transmission rod; the third cylinder is horizontally arranged on the transverse support rod, and the output shaft is fixedly connected to the second slider sleeved on the transverse support rod; one end of the first vertical limiting rod is vertically fixed to the transverse support rod on the left side of the second slider, and the other end is sleeved with a second circular sliding tube, and the second slider and the second circular sliding tube are hinged through the second transmission rod;

[0013] The horizontal moving device includes a fourth cylinder, a third transmission rod and a limit block. The fourth cylinder is horizontally fixed on either side of the second circular sliding tube. One end of the third transmission rod is hinged to the output shaft of the fourth cylinder, and the other end is hinged to the second vertical limit rod. The limit block is fixed on the outside of the second circular sliding tube, and the bottom end of the second vertical limit rod is slidably connected to the limit block.

[0014] As a further technical solution, the third slider is in the shape of a disk, the circumferential side wall of the disk is recessed inward to form a first rotation groove, the end of the second rotation rod is provided with a third slider, and the third slider is clamped in the first rotation groove;

[0015] The first vertical limit rod and the transverse support rod are connected by a second disc, and the transverse support rod passes through the center of the second disc and is fixedly connected to the disc. The circumferential side wall of the second disc is recessed inward to form a second rotation groove. A fourth sliding block inserted into the second rotation groove is provided at the end of the first vertical limit rod. A through hole is also provided on the first vertical limit rod, and a through hole is also provided on the side wall of the second rotation groove along the circumference. A screw passes through the through hole and a nut is used to fix the first vertical limit rod and the second disc.

[0016] As a further technical solution, there are at least four second rotating rods, which are evenly arranged in the first rotating groove; the number of the first vertical limiting rods is the same as that of the second rotating rods, which are evenly arranged in the second rotating groove.

[0017] As a further technical solution, the horizontal support plate is a U-shaped frame, the opening of the U-shaped frame faces upward, and the top of the second vertical limit rod is fixedly connected to the bottom plate of the U-shaped frame; there is a rotating rod at each end of the left and right ends of the U-shaped frame, and the rotating rod is rotatably connected to the two side walls of the U-shaped frame, and a horizontal transmission belt is provided between the two rotating rods; a first drive motor is also fixed to the side wall of the U-shaped frame, and the output shaft of the first drive motor passes through the two side walls of the U-shaped frame, and a vertical transmission belt is provided between the output shaft of the first drive motor outside the side wall of the U-shaped frame and the rotating rod, and the output shaft of the first drive motor is located directly below the rotating rod at either end.

[0018] As a further technical solution, it also includes a misalignment detection mechanism, which is arranged in the middle part of the transverse support rod, and includes a circular rotating circle, a second drive motor, a fifth cylinder, a transmission gear and a micrometer. The circular rotating circle is sleeved on the transverse support rod, and a first transmission gear is provided at one end of the circular rotating circle. A second drive motor is fixed on the transverse support rod on the same side as the first transmission gear, and a second transmission gear is provided on the output shaft of the second drive motor. The first transmission gear is meshed with the second transmission gear; a fifth cylinder is vertically fixed to the side wall of the rotating circle, and a hollow ladder frame is fixed on the output shaft of the fifth cylinder, and a micrometer is vertically arranged at both ends inside the ladder frame.

[0019] As a further technical solution, the stop block is in an arc shape, and the upper end surface of the arc is provided with anti-slip grooves.

[0020] The present invention has the following advantages: the present invention moves the horizontal docking device into the two docking pressure steel pipes through a moving machine, and adjusts the support assembly's stop block to perform lifting and lowering movements through the second adjusting device. The deformation part of a pressure steel pipe can be accurately aligned by manually rotating the stop block, and pressure is applied by the stop block for adjustment; the staff operates the control button in the pressure steel pipe to enable the other pressure steel pipe to move toward the docking steel pipe under the action of the horizontal moving device to reduce the distance between the two docking steel pipes, and through the operation of the third adjusting device, the horizontal support plate can be independently lifted and lowered to adjust the position state of the docking pressure steel pipes and reduce the amount of misalignment between the docking steel pipes; the device only needs to be operated manually, and the deformation part of the docking steel pipe is adjusted while reducing the distance between the two docking steel pipes to achieve accurate docking of the two pressure steel pipes. The device can be applied to pressure steel pipes of different diameters, has strong applicability, is simple to operate, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the device of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the support assembly of the device of the present invention.

[0023] Figure 3 It is a schematic diagram of the steel pipe displacement mechanism of the device of the present invention.

[0024] Figure 4 It is a schematic diagram of the structure of the third cylinder and the second sliding block in the device of the present invention.

[0025] Figure 5 It is a schematic structural diagram of the second slider and the second disc of the device of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the first driving motor and the horizontal supporting plate of the device of the present invention.

[0027] Figure 7 It is a structural schematic diagram of the misalignment detection mechanism of the device of the present invention.

[0028] In the figure, 1, the first pressure steel pipe; 2, the second pressure steel pipe; 3, the support seat; 4, the first cylinder; 5, the transverse support rod; 6, the second cylinder; 7, the first slider; 8, the first transmission rod; 9, the first limit rod; 10, the first circular sliding tube; 11, the stop block; 12, the third cylinder; 13, the second slider; 14, the second disc; 15, the second rotating rod; 16, the second circular sliding tube; 17, the fourth cylinder; 18, the third transmission rod; 19, the limit block; 20, Horizontal support plate; 21. first vertical limit rod; 22. screw; 23. nut; 24. fixing ring; 25. first drive motor; 26. rotating rod; 27. horizontal transmission belt; 28. fifth cylinder; 29. ​​circular rotating circle; 30. second drive motor; 31. vertical transmission belt; 32. ladder frame; 33. micrometer; 34. second vertical limit rod; 35. third slider; 36. fourth slider; 37. first transmission gear; 38. second transmission gear. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with embodiments, and the protection scope of the present invention is not limited to the following:

[0030] like Figure 1 The horizontal docking device of steel pipes comprises a support assembly, a transverse support rod 5, a steel pipe displacement mechanism and a moving mechanism, wherein the support assembly, the steel pipe displacement mechanism and the moving mechanism are all arranged on the transverse support rod 5;

[0031] There are two moving mechanisms, which are arranged at the left and right ends of the transverse support rod 5, including a first adjusting device and a universal wheel. The first adjusting device is arranged below the transverse support rod 5 to adjust the support rod to move up and down, and the universal wheel is arranged at the bottom of the first adjusting device; the universal wheel can make the device move flexibly, and the device moves to the fixed first pressure steel pipe 1 and the movable second pressure steel pipe 2 when in use.

[0032] The support assembly is arranged on the left side of the transverse support rod 5, and includes a first circular sliding tube 10, a second adjusting device and a stop block 11. The first circular sliding tube 10 is vertically arranged to the transverse support rod 5, one end is connected to the second adjusting device, and the other end is vertically connected to the stop block 11; the second adjusting device is arranged on the transverse support rod 5 to adjust the length of the first circular sliding tube 10; the support assembly is used to adjust the deformation position of the first pressure steel pipe 1.

[0033] The steel pipe displacement mechanism is arranged on the right side of the transverse support rod 5, and includes a second circular sliding tube 16, a second vertical limit rod 34, a third adjustment device, a horizontal moving device and a horizontal support plate 20. The third adjustment device is arranged on the transverse support rod 5 and connected to the second circular sliding tube 16, and the second circular sliding tube 16 is perpendicular to the transverse support rod 5; one end of the second vertical limit rod 34 is connected to the side wall of the second circular sliding tube 16, and the other end is fixed with a horizontal support plate 20. The horizontal moving device is arranged on the side wall of the second circular sliding tube 16 and connected to the second vertical limit rod 34; the third adjustment device adjusts the length of the second circular sliding tube 16, and the horizontal moving device adjusts the horizontal position of the second vertical limit rod 34. The steel pipe displacement mechanism is inside the second pressure steel pipe 2, and the up and down and left and right movements of the horizontal support plate 20 are respectively controlled and adjusted by the third adjustment device and the horizontal moving device.

[0034] It should be noted that the second adjustment device, the third adjustment device, and the horizontal moving device of the present application are electrically connected to the control box fixed on the transverse support rod 5, and manually operable buttons are used to control the working status of each device. This is the prior art and will not be described in detail here.

[0035] As a preferred embodiment of the present invention, Figure 1-Figure 7 As shown, a horizontal docking device for steel pipes includes a support assembly, a transverse support rod 5, a steel pipe displacement mechanism, a moving mechanism and a misalignment measuring mechanism, wherein the support assembly, the steel pipe displacement mechanism, the moving mechanism and the misalignment measuring mechanism are all arranged on the transverse support rod 5;

[0036] There are two moving mechanisms, which are arranged at the left and right ends of the transverse support rod 5, and include a first adjusting device and a universal wheel. The first adjusting device is arranged below the transverse support rod 5 to adjust the support rod to move up and down, and the universal wheel is arranged at the bottom of the first adjusting device; the first adjusting device includes a first cylinder 4 and a support seat 3, the support seat 3 is arranged below the transverse support rod 5, the first cylinder 4 is fixed on the support seat 3, the output shaft is vertically fixedly connected to the transverse support rod 5, and the universal wheel is arranged at the bottom of the support seat 3.

[0037] The supporting assembly is arranged on the left side of the transverse support rod 5, and includes a first circular sliding tube 10, a second adjusting device and a stop block 11. The first circular sliding tube 10 is vertically arranged with the transverse support rod 5, one end is connected with the second adjusting device, and the other end is vertically connected with the stop block 11. The stop block 11 is arc-shaped, and the surface of the stop block 11 in contact with the steel pipe is provided with anti-slip grooves; the second adjusting device is arranged on the transverse support rod 5 to adjust the length of the first circular sliding tube 10; the second adjusting device includes a second cylinder 6, a first limiting rod 9, a first slider 7 and a first transmission rod 8; the second cylinder 6 is horizontally arranged on the transverse support rod 5, and the output shaft is fixedly connected with the first slider 7 sleeved on the transverse support rod 5; one end of the first limiting rod 9 is vertically connected with the transverse support rod 5 on the right side of the first slider 7, and the other end is sleeved with the first circular sliding tube 10, and the first slider 7 and the first circular sliding tube 10 are hinged through the first transmission rod 8. At least four, preferably six, first limiting rods 9 are arranged evenly on the circumference of the fixing ring 24, and the fixing ring 24 is rotatably clamped on the transverse support rod 5; the number of the first transmission rods 8 is the same as the number of the first limiting rods 9, and is evenly distributed around the side wall of the first slider 7.

[0038] The steel pipe displacement mechanism is arranged on the right side of the transverse support rod 5, and includes a second circular sliding tube 16, a second vertical limiting rod 34, a third adjusting device, a horizontal moving device and a horizontal supporting plate 20. The third adjusting device is arranged on the transverse support rod 5 and connected to the second circular sliding tube 16. The second circular sliding tube 16 is vertically arranged with the transverse support rod 5; one end of the second vertical limiting rod 34 is connected to the side wall of the second circular sliding tube 16, and the other end is fixed with a horizontal supporting plate 20. The horizontal moving device is arranged on the side wall of the second circular sliding tube 16 and connected to the second vertical limiting rod 34; the third adjusting device adjusts the length of the second circular sliding tube 16, and the horizontal moving device adjusts the horizontal position of the second vertical limiting rod 34;

[0039] The third adjusting device includes a third cylinder 12, a second slider 13, a first vertical limiting rod 21 and a second transmission rod; the third cylinder 12 is horizontally arranged on the transverse support rod 5, and the output shaft is fixedly connected to the second slider 13 sleeved on the transverse support rod 5; one end of the first vertical limiting rod is vertically fixedly connected to the transverse support rod 5 on the left side of the second slider 13, and the other end is sleeved with a second circular sliding tube 16, and the second slider 13 is connected to the second circular sliding tube 16 through the second transmission rod; the second slider 13 is disc-shaped, and the circumferential side wall of the disc is recessed inward to form a first rotating groove, and the end of the second rotating rod 15 is provided with a third slider 35, and the third slider 35 is clamped in the first rotating groove; the second rotating rod 15 has at least 4, preferably 6, which are evenly arranged in the first rotating groove;

[0040] The horizontal moving device includes a fourth cylinder 17, a third transmission rod 18 and a stop block 19. The fourth cylinder 17 is horizontally fixed on the left side of the second circular sliding tube 16. The output shaft of the fourth cylinder 17 is hinged to one end of the third transmission rod 18, and the other end is hinged to the second vertical stop rod 34. The bottom end of the second vertical stop rod 34 is slidably connected to the stop block 19, and the stop block 19 is fixed to the outside of the second circular sliding tube 16. The first vertical stop rod 21 is connected to the transverse support rod 5 through the second disc 14. The transverse support rod 5 passes through the center of the second disc 14 and is fixedly connected to the disc. The circumferential side wall of the second disc 14 is recessed inward to form a second rotation groove. The end of the first vertical stop rod 21 is provided with a fourth slider 36 inserted into the second rotation groove. The first vertical stop rod 21 is also provided with a through hole. The screw 22 passes through the through hole and is fixedly connected to the second disc 14 with a nut 23. A rigid spring can also be sleeved on the screw 22. The number of the first vertical limiting rods is the same as that of the second rotating rods 15 , and they are evenly arranged in the second rotating groove.

[0041] The horizontal support plate 20 is a U-shaped frame, the opening of the U-shaped frame is set upward, and the top of the second vertical limit rod 34 is fixedly connected to the bottom plate of the U-shaped frame; a rotating rod 26 is respectively provided at the left and right ends of the U-shaped frame, and the rotating rod 26 passes through the two side walls of the U-shaped frame and is rotatably connected to the two side walls of the U-shaped frame, and a horizontal transmission belt 27 is provided between the two rotating rods 26; the side wall of the U-shaped frame is also fixed with a first drive motor 25, and the output shaft of the first drive motor 25 passes through the two side walls of the U-shaped frame, and a vertical transmission belt 31 is provided between the output shaft of the first drive motor 25 outside the side wall of the U-shaped frame and the rotating rod 26, and the output shaft of the first drive motor 25 is arranged parallel to the rotating rod 26 at any end and is located directly below the rotating rod 26.

[0042] The misalignment measuring mechanism is arranged in the middle part of the transverse support rod 5, including a circular rotating circle 29, a second drive motor 30, a fifth cylinder 28, a transmission gear and a micrometer 33. The transverse support rod 5 passes through the middle part of the circular rotating circle 29 and is rotatably connected to the transverse support rod 5. One end of the circular rotating circle 29 is sleeved with a first transmission gear 37. The second drive motor 30 is fixed on the transverse support rod 5 on the same side as the first transmission gear 37. The second drive motor 30 is fixed on the output shaft of the second drive motor 30. The first transmission gear 37 is meshed with the second transmission gear 38. The side wall of the rotating circle is vertically fixed with the fifth cylinder 28, and the output shaft of the fifth cylinder 28 is horizontally fixed with a hollow ladder frame 32. A micrometer 33 is vertically arranged at both ends of the ladder frame 32.

[0043] In order to make it easier for the staff to operate, a control box can also be set on the transverse support rod 5, and the first cylinder 4, multiple second cylinders 6, multiple third cylinders 12, the fourth cylinder 17, the fifth cylinder 28, and multiple first drive and second drive motors 30 are electrically connected to the control box respectively, and the movement of each cylinder and the drive motor can be completed by operating the control box.

[0044] The working principle of this preferred embodiment is as follows: the staff moves the second pressure steel pipe 2 to the pipe mouth of the first pressure steel pipe 1 and is in the same horizontal position, moves the device into the first pressure steel pipe 1 and the second pressure steel pipe 2, so that the misalignment measuring mechanism is at the butt joint of the pressure steel pipes, a staff stands in the first pressure steel pipe 1, adjusts the first cylinder 4 so that the transverse support rod 5 is at the center position of the first pressure steel pipe 1 and the second pressure steel pipe 2, turns on the third cylinder 12, and the output shaft of the third cylinder 12 extends to the left, driving the second slider 13 to move to the left, and then driving the second circular sliding tube 16 to move upward, the horizontal support plate 20 is pressed against the inner wall of the second pressure steel pipe 2, starts the fourth cylinder 17, drives the third transmission rod 18 to move to the left, and then drives the horizontal support plate 20 to move to the left, because a plurality of horizontal support plates 20 are provided, the second pressure steel pipe 2 is moved to align the pipe mouths of the two pressure steel pipes, and the device is accurately adjusted position, so that the misalignment measuring mechanism is at the joint of the pressure steel pipe again, the second drive motor 30 is started, and the circular rotating circle 29 is driven to rotate, so that the micrometer 33 is aligned with the misalignment position, and then the fifth cylinder 28 is started. The fifth cylinder 28 drives the micrometers 33 at both ends of the ladder frame 32 to contact the joint of the first pressure steel pipe 1 and the second pressure steel pipe 2. When it is necessary to adjust the deformation part of the first pressure steel pipe 1, it is only necessary to manually rotate the fixing ring 24 clamped on the transverse support frame so that one of the blocks 11 is aligned with the deformation part, and at the same time, multiple second cylinders 6 are started. Multiple second cylinders 6 drive the first slider 7 to move to the right, thereby driving the block 11 to press against the first pressure pipe, and control the pressure of the pressing block aligned with the deformation part to adjust the deformation part; in addition, the transverse support plate in the second pressure steel pipe 2 can also be operated to adjust the deformation part. The operation is the same as moving the second pressure steel pipe 2, except that the horizontal movement is not started. In addition, when it is necessary to align the horizontal support plate 20 with the deformed part, it is only necessary to open the screws 22 and the nuts 23, align the horizontal support plate 20 with the deformed part, and then use the screws 22 to pass through the corresponding through holes and fix them with the nuts 23. When it is necessary to move the second pressure steel pipe 2 by a small distance, all the horizontal support plates 20 are abutted against the inner wall of the second steel pipe, and the first drive motor 25 is turned on. The first drive motor 25 drives the horizontal transmission belt 27 to rotate, and then the second pressure steel pipe 2 is moved slightly. The staff adjusts the first pressure steel pipe 1 and the second pressure steel pipe 2 until the measured micrometer 33 is observed to make the misalignment amount 0.

[0045] 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 are all covered by the protection scope of the present invention.

Claims

1. A horizontal butt joint device for steel pipes, characterized in that: It comprises a support assembly, a transverse support rod (5), a steel pipe displacement mechanism and a moving mechanism, wherein the support assembly, the steel pipe displacement mechanism and the moving mechanism are all arranged on the transverse support rod (5); The moving mechanism is two and is arranged at the left and right ends of the transverse support rod (5), and comprises a first adjustment device and a universal wheel, wherein the first adjustment device is arranged below the transverse support rod (5) to adjust the support rod to move up and down, and the universal wheel is arranged at the bottom of the first adjustment device; The support assembly is arranged on the left side of the transverse support rod (5), and comprises a first circular sliding tube (10), a second adjusting device and a stop block (11); the first circular sliding tube (10) is arranged vertically with the transverse support rod (5), one end of the first circular sliding tube (10) is connected to the second adjusting device, and the other end of the first circular sliding tube (10) is vertically connected to the stop block (11); the second adjusting device is arranged on the transverse support rod (5) to adjust the length of the first circular sliding tube (10); The steel pipe displacement mechanism is arranged on the right side of the transverse support rod (5), and comprises a second circular sliding tube (16), a second vertical limiting rod (34), a third adjusting device, a horizontal moving device and a horizontal support plate (20); the third adjusting device is arranged on the transverse support rod (5) and connected to the second circular sliding tube (16), and the second circular sliding tube (16) is perpendicular to the transverse support rod (5); one end of the second vertical limiting rod (34) is connected to the side wall of the second circular sliding tube (16), and the other end is fixed with the horizontal support plate (20); the horizontal moving device is arranged on the side wall of the second circular sliding tube (16) and connected to the second vertical limiting rod (34); the third adjusting device adjusts the length of the second circular sliding tube (16), and the horizontal moving device adjusts the horizontal position of the second vertical limiting rod (34); The first adjustment device comprises a first cylinder (4) and a support seat (3), the first cylinder (4) is fixed on the support seat (3), the output shaft is vertically fixedly connected to the transverse support rod (5), and the universal wheel is arranged at the bottom of the support seat (3); The second regulating device comprises a second cylinder (6), a first limiting rod (9), a first sliding block (7) and a first transmission rod (8); the second cylinder (6) is horizontally arranged on the transverse support rod (5), and the output shaft is fixedly connected to the first sliding block (7) sleeved on the transverse support rod (5); one end of the first limiting rod (9) is vertically connected to the transverse support rod (5) on the right side of the first sliding block (7), and the other end is sleeved with a first circular sliding tube (10); the first sliding block (7) and the first circular sliding tube (10) are hingedly connected via the first transmission rod (8); The third adjustment device comprises a third cylinder (12), a second slider (13), a first vertical limit rod (21) and a second transmission rod; the third cylinder (12) is horizontally arranged on the transverse support rod (5), and the output shaft is fixedly connected to the second slider (13) sleeved on the transverse support rod (5); one end of the first vertical limit rod is vertically fixed to the transverse support rod (5) on the left side of the second slider (13), and the other end is sleeved with a second circular sliding tube (16), and the second slider (13) and the second circular sliding tube (16) are hingedly connected via the second transmission rod; The horizontal moving device comprises a fourth cylinder (17), a third transmission rod (18) and a limit block (19); the fourth cylinder (17) is horizontally fixed on either side of the second circular sliding tube (16); one end of the third transmission rod (18) is hinged to the output shaft of the fourth cylinder (17); the other end is hinged to the second vertical limit rod (34); the limit block (19) is fixed to the outside of the second circular sliding tube (16); and the bottom end of the second vertical limit rod (34) is slidably connected to the limit block (19); It also includes a misalignment detection mechanism, which is arranged in the middle of the transverse support rod (5), including a circular rotating circle (29), a second drive motor (30), a fifth cylinder (28), a transmission gear and a micrometer (33). The circular rotating circle (29) is sleeved on the transverse support rod (5), and a first transmission gear (37) is provided at one end of the circular rotating circle (29). A second drive motor (30) is fixed on the transverse support rod (5) on the same side as the first transmission gear (37). A second transmission gear (38) is provided on the output shaft of the second drive motor (30), and the first transmission gear (37) is meshedly connected with the second transmission gear (38). The fifth cylinder (28) is vertically fixed to the side wall of the rotating circle, and a hollow ladder frame (32) is fixed on the output shaft of the fifth cylinder (28). A micrometer (33) is vertically provided at each of the two ends inside the ladder frame (32).

2. The horizontal butt joint device for steel pipes according to claim 1, characterized in that: At least four of the first limiting rods (9) are arranged evenly distributed on the circumference of the fixing ring (24), and the fixing ring (24) is rotatably clamped on the transverse support rod (5); the number of the first transmission rods (8) is the same as the number of the first limiting rods (9), and they are evenly distributed along the side wall of the first sliding block (7).

3. The horizontal butt joint device for steel pipes according to claim 1, characterized in that: The second slider (13) is in the shape of a disk, the circumferential side wall of the disk is recessed inwards to form a first rotation groove, and a first slider (35) is provided at the end of the second rotation rod (15), and the first slider (35) is clamped in the first rotation groove; The first vertical limit rod (21) and the transverse support rod (5) are connected via a second disk (14); the transverse support rod (5) passes through the center of the second disk (14) and is fixedly connected to the disk; the circumferential side wall of the second disk (14) is recessed inward to form a second rotation groove; a second sliding block (36) is provided at the end of the first vertical limit rod (21) and is inserted into the second rotation groove; a through hole is also provided on the first vertical limit rod (21); and a through hole is also provided along the circumference of the side wall of the second rotation groove; a screw (22) passes through the through hole and is fixedly connected to the first vertical limit rod (21) and the second disk (14) by a nut (23).

4. The horizontal butt joint device for steel pipes according to claim 3, characterized in that: There are at least four second rotating rods (15), which are evenly arranged in the first rotating groove; the number of the first vertical limiting rods is the same as that of the second rotating rods (15), which are evenly arranged in the second rotating groove.

5. The horizontal butt joint device for steel pipes according to claim 1, characterized in that: The horizontal support plate (20) is a U-shaped frame, the opening of the U-shaped frame faces upward, and the top of the second vertical limit rod (34) is fixedly connected to the bottom plate of the U-shaped frame; a rotating rod (26) is respectively provided at the left and right ends of the U-shaped frame, the rotating rod (26) is rotatably connected to the two side walls of the U-shaped frame, and a horizontal transmission belt (27) is provided between the two rotating rods (26); a first drive motor (25) is also fixed to the side wall of the U-shaped frame, the output shaft of the first drive motor (25) passes through the two side walls of the U-shaped frame, and a vertical transmission belt (31) is provided between the output shaft of the first drive motor (25) outside the side wall of the U-shaped frame and the rotating rod (26), and the output shaft of the first drive motor (25) is located directly below the rotating rod (26) at either end.

6. The horizontal butt joint device for steel pipes according to claim 1, characterized in that: The stop block (11) is in an arc shape, and an anti-slip pattern is provided on the upper end surface of the arc.

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