A pressure steel pipe rounding auxiliary aligning device

Abstract

The utility model discloses a pressure steel pipe adjusts round supplementary alignment device, including support ring and support subassembly, three support rings are in turn hinged and enclose annularly, and there is interval between the support ring of both ends, and support subassembly is located the inside of three support rings, and support subassembly includes first support rod, second support rod, third support rod and top pull device, and one end of first support rod is connected with the support ring of middle, and the other end is connected with one end of top pull device, and one end of second support rod and third support rod is hinged with the support ring of both ends respectively, and the other end of second support rod and third support rod is hinged with the other end of top pull device. The outer wall of support ring is fixed with a plurality of support blocks, and the support block projects support ring. Through operating top pull device, can drive the movement of both ends support ring simultaneously, to be able to adjust quickly to the support block of projecting support ring, and the one end of next section pressure steel pipe can be covered on the support block, to adjust round and align for next section pressure steel pipe.

Description

Technical Field

[0001] This utility model relates to the technical field of pressure steel pipe docking tools, and in particular to a pressure steel pipe rounding auxiliary alignment device. Background Technology

[0002] During the installation of pressure steel pipes, the section of pressure steel pipe to be welded needs to be aligned with the previous section before welding. Currently, the alignment of pressure steel pipes is done manually by setting supports at both ends of the outer side of the pressure steel pipe. Due to the complex site environment and the different sizes of the supports at both ends, multiple supports at both ends of the outer side of the pressure steel pipe need to be adjusted each time alignment is performed, which affects the efficiency of the operation.

[0003] Furthermore, during the installation of pressure steel pipes, the ends of the pipes may exhibit uneven roundness or deformation, hindering rapid connection. To address this uneven roundness or deformation, existing technologies often employ cross-shaped or star-shaped support frames with jacks for adjustment, such as the temporary support device disclosed in CN215879346U. However, because the cross-shaped or star-shaped support frame has multiple jacks, adjustment requires individual operation, making the process cumbersome and inefficient for achieving a single, comprehensive roundness adjustment, resulting in low work efficiency.

[0004] To solve the above-mentioned technical problems, the technicians designed an auxiliary alignment device for adjusting the roundness of a pressure steel pipe, as described in this application. Utility Model Content

[0005] The purpose of this utility model is to provide an auxiliary alignment device for adjusting the roundness of a pressure steel pipe. By operating the top pulling device, the support rings at both ends can be driven to move simultaneously, thereby enabling rapid adjustment. One end of the support block extends axially out of the support ring, and one end of the next section of pressure steel pipe can be fitted onto the support block to adjust and align the next section of pressure steel pipe.

[0006] To achieve the above objectives, this utility model provides an auxiliary alignment device for adjusting the roundness of a pressure steel pipe, comprising a support ring and a support assembly. The support ring comprises three rings, which are sequentially hinged to form a ring. There is a gap between the support rings at both ends. The support assembly is located inside the three support rings. The support assembly includes a first support rod, a second support rod, a third support rod, and a pulling device. One end of the first support rod is connected to the middle support ring, and the other end is connected to one end of the pulling device. One end of the second and third support rods are respectively hinged to the support rings at both ends, and the other ends of the second and third support rods are hinged to the other end of the pulling device. Multiple support blocks are fixed to the outer wall of the support ring, with one end of each support block extending axially out of the support ring.

[0007] A recessed platform is provided on the outer wall of one end of the support block that extends out of the support ring.

[0008] The support block has a first threaded hole at one end extending from the support ring, which is used to screw in the first screw.

[0009] The other end of the support block also extends axially out of the support ring, and a second threaded hole is provided on this end for screwing in the second screw.

[0010] Two nut seats are fixed to one side of the support block that connects to the support ring, and the two nut seats are respectively aligned with the first threaded hole and the second threaded hole.

[0011] The support ring includes an arc-shaped panel and an arc-shaped support plate, with the two arc-shaped support plates respectively fixed to the inner wall of the arc-shaped panel.

[0012] At the hinge of two adjacent support rings, one support ring has a protrusion at the end of its arc-shaped panel and the other support ring has a groove at the end of its arc-shaped panel. The protrusion is inserted into the groove. Through pin holes are provided on the protrusion and on both sides of the groove. The first pin is inserted into the pin holes on both sides of the protrusion and the groove.

[0013] The first support rod includes two rod sections fixedly connected at an included angle to each other. The two ends of the first support rod are respectively connected to the two arc-shaped support plates of the middle support ring via second pins. The corner of the first support rod is connected to the top-pull device. One end of the second support rod and the third support rod are respectively hinged to the two arc-shaped support plates on the support rings at both ends via third pins. The other ends of the second support rod and the third support rod are respectively hinged to the two ends of the connecting seat via fourth pins. The connecting seat is connected to the top-pull device.

[0014] The top-pull device includes a first screw, a second screw, and an internal threaded sleeve. One end of the first screw is fixedly connected to a connecting seat, and the other end is screwed to one end of the internal threaded sleeve. One end of the second screw is fixedly connected to the middle of a first support rod, and the other end is screwed to the other end of the internal threaded sleeve. At least one drive rod is fixedly connected to the outer wall of the internal threaded sleeve, and the drive rod is used to rotate the internal threaded sleeve. The first screw and the second screw are respectively a positive external thread and a negative external thread. The two ends of the inner hole of the internal threaded sleeve have internal threads that are adapted to the first screw and the second screw, respectively.

[0015] The connecting seat and the first screw are provided with a through first insertion hole, the first support rod and the second screw are provided with a through second insertion hole, the indicator rod moves through the first insertion hole and the second insertion hole, and a fixing block is installed at each end of the indicator rod.

[0016] Compared with the prior art, this utility model has the following technical effects:

[0017] 1. This utility model can drive the support rings at both ends to move simultaneously by operating the top pulling device, thereby enabling rapid adjustment. One end of the support block extends axially out of the support ring, and one end of the next section of pressure steel pipe can be fitted onto the support block to adjust and align the next section of pressure steel pipe.

[0018] 2. By setting a recessed platform on the outer wall of the support block, the height of the outer wall of the end of the support block extending from the support ring is reduced. This allows the device to be installed and fixed inside the upper section of the pressure steel pipe first, and then the lower section of the pressure steel pipe to be pushed onto the support block, thus achieving initial alignment.

[0019] 3. The support block of this utility model has a first threaded hole at one end extending from the support ring. The first threaded hole is used to screw on the first screw. By screwing the first screw into the first threaded hole, the end of the next section of pressure steel pipe can be corrected, rounded, and aligned. The first screw can also be used to limit and fix the support block to the next section of pressure steel pipe.

[0020] 4. By setting an indicator rod, this utility model makes it easy to observe the gap between the fixing block and the connecting seat or the first support rod, so as to know whether the pressure steel pipe has been rounded. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0022] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0023] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0024] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure of AA.

[0025] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure of BB.

[0026] Figure 5 for Figure 2 Schematic diagram of the CC cross-section structure.

[0027] Figure 6 for Figure 1 Schematic diagram of the cross-sectional structure of DD.

[0028] Figure 7 for Figure 2 Enlarged structural diagram at point E in the middle.

[0029] Figure 8This is a schematic diagram of the utility model in use.

[0030] Figure 9 for Figure 8 Enlarged structural diagram at point F.

[0031] Figure label:

[0032] Support ring 10, first pin 11, spacer 12, arc-shaped panel 13, arc-shaped support plate 14, protrusion 15, groove 16, second pin 17, third pin 18

[0033] First support rod 20, second screw 21, second through hole 22, indicator rod 23, fixing block 24.

[0034] Second support rod 30,

[0035] Third support rod 40,

[0036] Connecting seat 50, first screw 51, first through hole 52, fourth pin 53;

[0037] Top-pull device 60, internal threaded sleeve 61, drive rod 62;

[0038] Support block 70, first threaded hole 71, first screw 72, second threaded hole 73, second screw 74, nut seat 75, countersunk platform 76;

[0039] The upper section of pressure steel pipe is 80, and the lower section of pressure steel pipe is 90. Detailed Implementation

[0040] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0041] Example 1:

[0042] See Figure 1-9A pressure steel pipe rounding auxiliary alignment device includes a support ring 10 and a support assembly. There are three support rings 10, which are sequentially hinged to form a ring. A gap 12 exists between the support rings 10 located at both ends. The support assembly is located inside the three support rings 10. The support assembly includes a first support rod 20, a second support rod 30, a third support rod 40, and a pulling device 60. One end of the first support rod 20 is connected to the middle support ring 10, and the other end is connected to one end of the pulling device 60. One end of the second support rod 30 and the third support rod 40 are respectively hinged to the support rings 10 at both ends, and the other end of the second support rod 30 and the third support rod 40 is hinged to the other end of the pulling device 60. Multiple support blocks 70 are fixed to the outer wall of the support ring 10, with one end of each support block 70 extending axially out of the support ring 10.

[0043] By operating the top pulling device 60, the support rings 10 at both ends can be driven to move simultaneously, thereby enabling rapid adjustment. One end of the support block 70 extends axially out of the support ring 10, and one end of the next section of pressure steel pipe 90 can be fitted onto the support block 70 to adjust and align the next section of pressure steel pipe 90.

[0044] In this embodiment, the jacking device 60 can be a manual jack. When the jacking device 60 extends, see [reference needed]. Figure 1 The upper two support rings 10 open outwards synchronously under the action of the second support rod 30 and the third support rod 40, so that they can be supported and fixed inside the upper pressure steel pipe 80 by the support block 70. When the top pulling device 60 shortens, the upper two support rings 10 close inwards synchronously under the action of the second support rod 30 and the third support rod 40, so that the device can be removed. The interval 12 provides space for the support rings 10 at both ends to close inwards.

[0045] In use, first place the device at the end of the upper pressure steel pipe 80, then roughly align the lower pressure steel pipe 90 with the upper pressure steel pipe 80. Next, place the device at the end of the upper pressure steel pipe 80 with the pulling device 60 in a shortened state, and extend the support block 70 into the lower pressure steel pipe 90. Operate the pulling device 60 to extend it. Under the action of the second support rod 30 and the third support rod 40, the support rings 10 on both sides of the upper side open outwards simultaneously, fixing the device inside the upper pressure steel pipe 80. This also supports and aligns the lower pressure steel pipe 90, which only needs additional support at the end furthest from the upper pressure steel pipe 80. This process not only aligns the lower pressure steel pipe 90 with the upper pressure steel pipe 80, but also simultaneously corrects and rounds the mating ends of the upper pressure steel pipe 80 and the lower pressure steel pipe 90.

[0046] Example 2:

[0047] Based on Example 1, see Figure 4 A recessed platform 76 is provided on the outer wall of one end of the support block 70 that extends out of the support ring 10. By providing the recessed platform 76 on the outer wall of the support block 70, the height of the outer wall of the end of the support block 70 that extends out of the support ring 10 is reduced. This allows the device to be installed and fixed inside the upper section of the pressure steel pipe 80 first, and then the lower section of the pressure steel pipe 90 to be pushed onto the support block 70, thus achieving initial alignment.

[0048] Further, see Figure 4 The support block 70, extending beyond the support ring 10, has a first threaded hole 71 for screwing in a first screw 72. By screwing the first screw 72 into the first threaded hole 71, the end of the next section of pressure steel pipe 90 can be corrected, rounded, and aligned. The first screw 72 can also be used to limit and fix the support block 70 to the next section of pressure steel pipe 90. In use, such as... Figure 9 As shown.

[0049] Further, see Figure 4 The other end of the support block 70 also extends axially out of the support ring 10. A second threaded hole 73 is provided on this end for screwing in the second screw 74. The second screw 74 can further limit and fix the support block 70 to the upper pressure steel pipe 80, preventing the lower pressure steel pipe 90 from colliding with the support block 70 when the lower pressure steel pipe 90 is pushed in, thus preventing the device from moving backward within the upper pressure steel pipe 80.

[0050] To ensure the stability of the first screw 72 and the second screw 74 screwed into the first threaded hole 71 and the second threaded hole 73 respectively, two nut seats 75 are fixed to the side of the support block 70 connected to the support ring 10, and the two nut seats 75 are aligned with the first threaded hole 71 and the second threaded hole 73 respectively.

[0051] Example 3:

[0052] Based on Example 1 or Example 2, see Figure 3 The support ring 10 includes an arc-shaped panel 13 and an arc-shaped support plate 14. The two arc-shaped support plates 14 are respectively welded to the inner wall of the arc-shaped panel 13. There is an annular groove between the two arc-shaped support plates 14. The support block 70 is welded to the outer wall of the arc-shaped panel 13.

[0053] See Figure 1 , 25. At the hinge of two adjacent support rings 10, one support ring 10 has a protrusion 15 at the end of the arc-shaped panel 13, and the other support ring 10 has a groove 16 at the end of the arc-shaped panel 13. The protrusion 15 is inserted into the groove 16. Through pin holes are provided on the protrusion 15 and on both sides of the groove 16. The first pin 11 is inserted and installed into the pin holes on both sides of the protrusion 15 and the groove 16, so that the support rings 10 at both ends are respectively hinged to the two ends of the middle support ring 10.

[0054] See Figure 1 The first support rod 20 includes two rod sections, which are fixedly connected at an included angle. The two ends of the first support rod 20 are respectively connected to the two arc-shaped support plates 14 of the intermediate support ring 10 via second pins 17. Figure 3 As shown. The corner of the first support rod 20 is connected to the top pulling device 60. In the same way, one end of the second support rod 30 and the third support rod 40 are respectively hinged to the two arc-shaped support plates 14 on the two end support rings 10 through the third pin 18.

[0055] Specifically, the arc-shaped support plate 14 is provided with through holes at the installation positions corresponding to the first support rod 20, the second support rod 30 and the third support rod 40.

[0056] See Figure 2 , 6 The other ends of the second support rod 30 and the third support rod 40 are respectively hinged to the two ends of the connecting seat 50 through the fourth pin 53, and the connecting seat 50 is connected to the top pulling device 60.

[0057] Example 4:

[0058] Based on Example 1, Example 2, or Example 3, see [link to example]. Figure 1 , 2 7. The top-pull device 60 includes a first screw 51, a second screw 21, and an internal threaded sleeve 61. One end of the first screw 51 is welded to the connecting seat 50, and the other end is screwed to one end of the internal threaded sleeve 61. One end of the second screw 21 is welded to the middle of the first support rod 20, and the other end is screwed to the other end of the internal threaded sleeve 61. At least one drive rod 62 is welded to the outer wall of the internal threaded sleeve 61. The drive rod 62 is used to rotate the internal threaded sleeve 61. The first screw 51 and the second screw 21 are respectively a positive external thread and a negative external thread. The two ends of the inner hole of the internal threaded sleeve 61 have internal threads that are adapted to the first screw 51 and the second screw 21.

[0059] Since the internal threaded sleeve 61 is connected to the first screw 51 and the second screw 21 with positive and negative threads respectively, when the internal threaded sleeve 61 is rotated by the drive rod 62, the first screw 51 and the second screw 21 at both ends will move towards each other or away from each other. When the first screw 51 and the second screw 21 move towards each other, the support rings 10 at both ends on the upper side move inward, and the overall size of the device becomes smaller, making it easier to move the device into the pressure steel pipe. When the first screw 51 and the second screw 21 move away from each other, the support rings 10 at both ends on the upper side open outward, supporting and correcting the pressure steel pipe.

[0060] To facilitate the rotation of the internal threaded sleeve 61, four drive rods 62 are evenly welded to the outer wall of the internal threaded sleeve 61 in a ring.

[0061] Example 5:

[0062] Based on Example 1, Example 2, Example 3, or Example 4, see [link to example]. Figure 1 , 2 7. The connecting seat 50 and the first screw 51 are provided with a through first insertion hole 52, and the first support rod 20 and the second screw 21 are provided with a through second insertion hole 22. The indicator rod 23 moves through the first insertion hole 52 and the second insertion hole 22, and fixing blocks 24 are fixedly installed at both ends of the indicator rod 23. By setting the indicator rod 23, it is easy to observe the gap between the fixing block 24 and the connecting seat 50 or the first support rod 20, so as to know whether the pressure steel pipe has been rounded.

[0063] In theory, the inner diameter of the pressure steel pipe is fixed. When the connecting seat 50 and the first support rod 20 abut against the fixing blocks 24 at both ends, the area enclosed by the three support rings 10 is a circle that matches the inner diameter of the pressure steel pipe, so as to correct and round the pressure steel pipe and prevent the top pulling device 60 from being misaligned.

[0064] In fact, the inner diameter of the pressure steel pipe has positive and negative tolerances. Therefore, a gap of less than 3mm is reserved between the fixing block 24 and the connecting seat 50 or the first support rod 20.

[0065] Specifically, if the reserved gap is 3mm, when the device is supported and fixed inside the pressure steel pipe, the gap between the fixing block 24 and the connecting seat 50 or the first support rod 20 is about 3mm. If it is within ±2mm, it proves that the outer circumference of the device is close to a circle.

[0066] The method of use or principle of this utility model:

[0067] When using, please refer to Figure 8 , 9In use, first place the device at the end of the upper pressure steel pipe 80, then roughly align the lower pressure steel pipe 90 with the upper pressure steel pipe 80. Next, place the device at the end of the upper pressure steel pipe 80 with the pulling device 60 in a shortened state, and extend the support block 70 into the lower pressure steel pipe 90. Operate the pulling device 60 to extend it. Under the action of the second support rod 30 and the third support rod 40, the support rings 10 on both sides of the upper side open outwards simultaneously, fixing the device inside the upper pressure steel pipe 80 and simultaneously supporting and aligning the lower pressure steel pipe 90. Through this process, not only can the lower pressure steel pipe 90 be aligned with the upper pressure steel pipe 80, but the connecting ends of the upper pressure steel pipe 80 and the lower pressure steel pipe 90 can also be corrected and rounded simultaneously.

Claims

1. A pressure steel pipe rounding auxiliary alignment device, characterized in that: The support includes a support ring (10) and a support assembly. Three support rings (10) are hinged together to form a ring. There is a gap (12) between the support rings (10) at both ends. The support assembly is located inside the three support rings (10). The support assembly includes a first support rod (20), a second support rod (30), a third support rod (40), and a top-pull device (60). One end of the first support rod (20) is connected to the middle support ring (10), and the other end is connected to one end of the top-pull device (60). One end of the second support rod (30) and the third support rod (40) are respectively hinged to the support rings (10) at both ends. The other end of the second support rod (30) and the third support rod (40) are hinged to the other end of the top-pull device (60). Multiple support blocks (70) are fixed to the outer wall of the support ring (10). One end of the support block (70) extends axially out of the support ring (10).

2. The pressure steel pipe rounding auxiliary alignment device according to claim 1, characterized in that: The outer wall of the end of the support block (70) extending out of the support ring (10) is provided with a recessed platform (76).

3. The pressure steel pipe rounding auxiliary alignment device according to claim 1, characterized in that: The support block (70) has a first threaded hole (71) at one end extending out of the support ring (10), and the first threaded hole (71) is used to screw the first screw (72).

4. The pressure steel pipe rounding auxiliary alignment device according to claim 3, characterized in that: The other end of the support block (70) also extends axially out of the support ring (10), and a second threaded hole (73) is provided on this end. The second threaded hole (73) is used to screw on the second screw (74).

5. The pressure steel pipe rounding auxiliary alignment device according to claim 4, characterized in that: Two nut seats (75) are fixedly connected to the side of the support block (70) connected to the support ring (10). The two nut seats (75) are respectively aligned with the first threaded hole (71) and the second threaded hole (73).

6. The pressure steel pipe rounding auxiliary alignment device according to claim 1, characterized in that: The support ring (10) includes an arc-shaped panel (13) and an arc-shaped support plate (14), with the two arc-shaped support plates (14) respectively fixed to the inner wall of the arc-shaped panel (13).

7. The pressure steel pipe rounding auxiliary alignment device according to claim 6, characterized in that: At the hinge of two adjacent support rings (10), one of the support rings (10) has a protrusion (15) at the end of the arc-shaped panel (13), and the other support ring (10) has a groove (16) at the end of the arc-shaped panel (13). The protrusion (15) is inserted into the groove (16). Through pin holes are provided on the protrusion (15) and on both sides of the groove (16). The first pin (11) is inserted into the pin holes on both sides of the protrusion (15) and the groove (16).

8. The pressure steel pipe rounding auxiliary alignment device according to claim 6, characterized in that: The first support rod (20) includes two rod sections, which are fixedly connected at an angle to each other. The two ends of the first support rod (20) are respectively connected to the two arc-shaped support plates (14) of the middle support ring (10) through the second pin (17). The corner of the first support rod (20) is connected to the top-pull device (60). One end of the second support rod (30) and the third support rod (40) are respectively hinged to the two arc-shaped support plates (14) on the two end support rings (10) through the third pin (18). The other ends of the second support rod (30) and the third support rod (40) are respectively hinged to the two ends of the connecting seat (50) through the fourth pin (53). The connecting seat (50) is connected to the top-pull device (60).

9. A pressure steel pipe rounding auxiliary alignment device according to claim 1 or 8, characterized in that: The top-pull device (60) includes a first screw (51), a second screw (21), and an internal threaded sleeve (61). One end of the first screw (51) is fixedly connected to the connecting seat (50), and the other end is screwed to one end of the internal threaded sleeve (61). One end of the second screw (21) is fixedly connected to the middle of the first support rod (20), and the other end is screwed to the other end of the internal threaded sleeve (61). At least one drive rod (62) is fixedly connected to the outer wall of the internal threaded sleeve (61), and the drive rod (62) is used to rotate the internal threaded sleeve (61). The first screw (51) and the second screw (21) are positive external threads and reverse external threads, respectively. The two ends of the inner hole of the internal threaded sleeve (61) have internal threads that are adapted to the first screw (51) and the second screw (21), respectively.

10. The pressure steel pipe rounding auxiliary alignment device according to claim 9, characterized in that: The connecting seat (50) and the first screw (51) are provided with a through first insertion hole (52), the first support rod (20) and the second screw (21) are provided with a through second insertion hole (22), the indicator rod (23) moves through the first insertion hole (52) and the second insertion hole (22), and the two ends of the indicator rod (23) are respectively equipped with fixing blocks (24).

Images