Opening aligning and aligning device for thermal insulation pipe at thermal construction joint

Abstract

The invention relates to the field of pipeline butt joint, in particular to a thermal construction joint thermal insulation pipe aligning and aligning device which is characterized in that two fixing rings are symmetrically arranged on a transverse shaft, two positioning plates are symmetrically arranged on the fixing rings, and side seats fixed to one sides of positioning seats are arranged at the ends, away from the fixing rings, of the positioning plates; the first pipe body and the second pipe body can be clamped and positioned through the clamping assembly, the joint position of the first pipe body and the second pipe body can be conveniently aligned, the first pipe body and the second pipe body which need to be in butt joint can be conveniently and stably positioned and fixed, meanwhile, disassembly is convenient, and the practicability is high. And the position heights of the first pipe body and the second pipe body can be conveniently adjusted, so that the pipe opening positions of the first pipe body and the second pipe body can be driven to be finely adjusted, the first pipe body and the second pipe body can be accurately butted, and the purpose of convenient alignment can be achieved.

Description

Technical Field

[0001] The invention relates to the field of pipeline butt jointing, and in particular to a device for locating the butt joints of thermal insulation pipes at a thermal construction joint. Background Art

[0002] Thermal construction usually refers to the conduction and transmission equipment of heat during urban construction. It is usually transported through pipelines. Therefore, thermal construction usually involves the installation of thermal transmission pipelines. Due to the limited length of the pipeline, the entire pipeline is formed by a large number of pipe bodies connected together, and the connection between pipe bodies is crucial. In order to improve the convenience of work, there is a certain demand for the thermal insulation pipe matching device at the joint of thermal construction.

[0003] Most of the existing thermal insulation pipe alignment devices for thermal construction joints rely on two operators to simultaneously hold the two pipe openings to be connected to the pipe body and connect them to each other. This alignment method is not only very inconvenient to operate, but also time-consuming and labor-intensive manual operation. It lacks stability and is prone to shaking during operation, thus making it impossible to ensure the accuracy of the docking. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides a device for aligning the ends of thermal insulation pipes at the joints of thermal construction.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for aligning the ends of thermal insulation pipes at the joints of thermal construction, comprising a first pipe body, a second pipe body, a horizontal axis and two positioning seats;

[0008] Two fixing rings are symmetrically arranged on the horizontal axis, two positioning plates are symmetrically arranged on the fixing ring, a side seat fixed to one side of the positioning seat is arranged at one end of the positioning plate away from the fixing ring, and two clamping components and two positioning components are symmetrically arranged on the positioning seat;

[0009] The clamping assembly comprises a fixing seat, a first screw and a positioning rod, the fixing seat is fixed to the upper end of the positioning seat, the positioning rod can penetrate the fixing seat, a top seat is fixedly arranged above the fixing seat, a first screw is rotatably arranged on the top seat and inserted into the inside of the positioning rod, the first screw is threadedly connected to the positioning rod, a driving seat is fixedly arranged on the top of the first screw, a first forked rod is provided at the bottom end of the positioning rod, a first positioning shaft is fixedly arranged at the bottom of the first forked rod, two positioning blocks for limiting the first tube body and the second tube body are symmetrically arranged at both ends of the first positioning shaft, and a plurality of the positioning blocks contact the outer walls of the first tube body and the second tube body respectively;

[0010] The positioning assembly includes a second screw, an adapter block and a limit rod, the second screw passes through both ends of the positioning seat, and the second screw is threadedly connected to the positioning seat, the bottom end of the second screw is rotatably connected to one end of the adapter block, the other end of the adapter block is fixedly provided with a limit rod, the bottom end of the limit rod is provided with a second forked rod, the bottom of the second forked rod is fixedly provided with a second positioning shaft, and rollers that contact the first tube body and the outer wall of the second tube body are rotatably provided at both ends of the second positioning shaft.

[0011] In order to improve the stability of the clamping assembly when clamping the first tube body and the second tube body, the improvements of the present invention are as follows: a fixing block fixed to one side of the driving seat is provided above the positioning seat, an annular groove is provided on the circumferential side of the driving seat, a cavity is provided inside the fixing block, a clamping block is provided inside the cavity, the front end of the clamping block can be inserted into the inside of the annular groove and can limit the driving seat, a third screw is rotatably provided on the fixing block, a threaded groove is provided inside the clamping block, the third screw can be inserted into the inside of the threaded groove, and the third screw is threadedly connected to the clamping block.

[0012] Furthermore, the present invention is improved in that the cross-section of the annular groove is trapezoidal, the front end of the clamping block is trapezoidal, and a plurality of anti-slip grooves are provided on the inner wall of the annular groove.

[0013] In order to facilitate the operation of the drive seat, the first screw rod and the third screw rod, the present invention is improved in that a rocker is provided at the upper end of the drive seat, and a toggle block is provided at the upper end of the first screw rod and the outer end of the third screw rod.

[0014] In order to make the present structure easy to store, the improvements of the present invention are as follows: two limit seats are symmetrically arranged on the fixed ring, a limit hole is arranged at the bottom of the positioning plate, two side plates and a movable ring are symmetrically arranged at both ends of the horizontal axis, the movable ring is penetrated by the horizontal axis, and the movable ring can slide on the horizontal axis, a horizontal plate is fixedly arranged at one end of the movable ring close to the limit seat, and plug rods that can penetrate the limit seat and the limit hole are arranged at both ends of the horizontal plate, two first support rods are symmetrically arranged at both ends of the side plate, a spring is fixedly arranged inside the first support rod, and a second support rod connected to the movable ring is arranged at one end of the spring, and a fixed shaft is arranged at the bottom end of the positioning plate, and both ends of the fixed shaft are rotatably connected to the horizontal plate.

[0015] In order to facilitate the assembly of the side plates, the present invention has the following improvements: the side plates are fixed to both ends of the transverse axis by bolts.

[0016] Furthermore, the present invention is improved in that the clamping assembly and the positioning assembly are both made of aluminum alloy.

[0017] Furthermore, the present invention is improved in that a mounting plate is provided at the bottom of the fixing seat, and the mounting plate is fixed to the upper end of the positioning seat by screws.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention provides a device for aligning the insulation pipes at the joint of thermal construction, which has the following beneficial effects:

[0020] The thermal insulation pipe alignment device at the joint of thermal construction can clamp and position the first pipe body and the second pipe body through the clamping assembly, so that the joint of the first pipe body and the second pipe body can be easily aligned, and the first pipe body and the second pipe body that need to be connected can be conveniently and stably positioned and fixed, and the disassembly is also convenient, the operation is simple, and the use is flexible and convenient;

[0021] The position height of the first tube body and the second tube body can be conveniently adjusted, so that the position of the pipe mouth of the first tube body and the second tube body can be finely adjusted, and the first tube body and the second tube body can be accurately docked, so as to achieve the purpose of convenient positioning, and facilitate the subsequent clamping or welding of the first tube body and the second tube body. Through the provided transverse axis and two positioning seats, the entire structure connection can be stabilized, which greatly improves the accuracy of the docking of the pipe mouths of the first tube body and the second tube body, and ensures the quality of the subsequent pipe mouth connection;

[0022] By rotating the second screw, the multiple rollers can contact the first tube body and the second tube body through the action of the thread structure. At this time, the multiple rollers can also position the first tube body and the second tube body. Then, the multiple driving seats are rotated to reduce the friction between the multiple positioning blocks and the first tube body and the second tube body. At this time, a thrust is provided to the positioning seat, so that the multiple rollers can rotate on the first tube body and the second tube body. At this time, the positioning seat can be rotated while welding, which is convenient for circumferential welding of the pipe mouths of the first tube body and the second tube body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention when viewed from the front;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention from the front and viewed from above;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention when viewed from the rear;

[0026] Figure 4 For the present invention Figure 3 The main view of

[0027] Figure 5 For the present invention Figure 1 Side view of

[0028] Figure 6 It is a schematic diagram of the internal structure of the fixed block in the present invention;

[0029] Figure 7 For the present invention Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0030] Figure 8 is a schematic diagram of the internal structure of the first support rod in the present invention;

[0031] In the figure: 1. first tube body; 2. second tube body; 3. positioning seat; 4. positioning rod; 5. first positioning axis; 6. fixed seat; 7. top seat; 8. first screw; 9. driving seat; 10. fixing block; 11. clamping block; 12. third screw; 13. adapter block; 14. limiting rod; 15. second positioning axis; 16. second screw; 17. horizontal axis; 18. fixing ring; 19. positioning plate; 20. limiting seat; 21. limiting hole; 22. insert rod; 23. horizontal plate; 24. moving ring; 25. second support rod; 26. first support rod; 27. side plate; 28. positioning block; 29. ​​roller; 30. side seat. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-8 , a device for aligning the ends of thermal insulation pipes at the joints of thermal construction, comprising a first pipe body 1, a second pipe body 2, a transverse axis 17 and two positioning seats 3;

[0034] Two fixing rings 18 are symmetrically arranged on the transverse axis 17, two positioning plates 19 are symmetrically arranged on the fixing ring 18, and one end of the positioning plate 19 away from the fixing ring 18 is provided with a side seat 30 fixed to one side of the positioning seat 3, and two clamping components and two positioning components are symmetrically arranged on the positioning seat 3;

[0035] The first tube body 1 and the second tube body 2 can be clamped and positioned by the clamping assembly, so that the joint of the first tube body 1 and the second tube body 2 can be easily aligned, and the first tube body 1 and the second tube body 2 that need to be connected can be conveniently and stably positioned and fixed, and the disassembly is also convenient, the operation is simple, and the use is flexible and convenient;

[0036] The position height of the first tube body 1 and the second tube body 2 can be conveniently adjusted, so that the position of the pipe mouths of the first tube body 1 and the second tube body 2 can be fine-tuned, and the first tube body 1 and the second tube body 2 can be accurately docked, so as to achieve the purpose of convenient positioning, and facilitate subsequent operations such as clamping or welding of the first tube body 1 and the second tube body 2. Through the provided horizontal axis 17 and the two positioning seats 3, the entire structure connection can be stabilized, which greatly improves the accuracy of the docking of the pipe mouths of the first tube body 1 and the second tube body 2, and ensures the quality of subsequent pipe mouth connections.

[0037] The clamping assembly includes a fixed seat 6, a first screw 8 and a positioning rod 4, the fixed seat 6 is fixed to the upper end of the positioning seat 3, the positioning rod 4 can penetrate the fixed seat 6, a top seat 7 is fixedly arranged above the fixed seat 6, a first screw 8 inserted into the positioning rod 4 is rotatably arranged on the top seat 7, the first screw 8 is threadedly connected to the positioning rod 4, a driving seat 9 is fixedly arranged on the top of the first screw 8, a first forked rod is arranged at the bottom end of the positioning rod 4, a first positioning shaft 5 is fixedly arranged at the bottom of the first forked rod, two positioning blocks 28 for limiting the first tube body 1 and the second tube body 2 are symmetrically arranged at both ends of the first positioning shaft 5, and a plurality of the positioning blocks 28 contact the outer walls of the first tube body 1 and the second tube body 2 respectively;

[0038] First, take the horizontal axis 17 so that the positions of the two positioning seats 3 are respectively located on both sides of the first tube body 1, and then rotate the driving seat 9. Since the position of the driving seat 9 is fixed, the positioning rod 4 can be raised and lowered at the fixed seat 6 through the action of the threaded structure, so that multiple positioning blocks 28 can contact the first tube body 1, and then rotate the other driving seat 9 so that the positioning blocks 28 at the same end of the two positioning seats 3 all contact the outer wall of the first tube body 1. At this time, the positions of the two positioning seats 3 will be fixed on both sides of the first tube body 1. It should be noted here that scale values ​​can be drawn on the outer wall of the positioning rod 4 to facilitate the observation of the moving distance of the positioning rod 4. The inner core of the positioning block 28 is made of metal, and its outer surface is wrapped with non-slip rubber, so as to increase the friction between the positioning block 28 and the first tube body 1 and the second tube body 2, and further take the second tube body 2 that needs to be docked. Second tube body 2, first adjust the position of the positioning rod 4 at the other end of the positioning seat 3, so that the two first tube bodies 1 and the multiple positioning blocks 28 above the second tube body 2 are on the same plane, so that the outer wall of the second tube body 2 contacts the multiple positioning blocks 28 above it. Since the position of the first tube body 1 is fixed, it is only necessary to slide the second tube body 2 at this time to make the pipe mouth of the second tube body 2 contact the pipe mouth of the first tube body 1, and then rotate the driving seat 9 under the second tube body 2, so that the multiple positioning blocks 28 under the second tube body 2 can also contact the second tube body 2. At this time, the second tube body 2 will be clamped and fixed, with a simple structure and easy operation. When using this structure, no excessive supporting structure is required, and it can be directly supported by the first tube body 1 or the second tube body 2. It is easy to carry and convenient to adjust its position, and it is more flexible to use;

[0039] The positioning assembly includes a second screw 16, an adapter block 13 and a limiting rod 14, the second screw 16 passes through both ends of the positioning seat 3, and the second screw 16 is threadedly connected to the positioning seat 3, the bottom end of the second screw 16 is rotatably connected to one end of the adapter block 13, the other end of the adapter block 13 is fixedly provided with the limiting rod 14, the bottom end of the limiting rod 14 is provided with a second bifurcated rod, the bottom of the second bifurcated rod is fixedly provided with a second positioning shaft 15, and the two ends of the second positioning shaft 15 are rotatably provided with rollers 29 that contact the outer walls of the first tube body 1 and the second tube body 2;

[0040] In this structure, after the first tube body 1 and the second tube body 2 are positioned accurately at the pipe mouths, when they need to be welded, take the adapter block 13 and rotate the second screw 16. Through the action of the threaded structure, multiple rollers 29 can contact the first tube body 1 and the second tube body 2. At this time, multiple rollers 29 can also position the first tube body 1 and the second tube body 2. Then, multiple driving seats 9 are rotated to reduce the friction between multiple positioning blocks 28 and the first tube body 1 and the second tube body 2. At this time, a thrust is provided to the positioning seat 3, so that multiple rollers 29 can rotate on the first tube body 1 and the second tube body 2. At this time, the positioning seat 3 can be rotated while welding, which is convenient for circumferential welding of the pipe mouths of the first tube body 1 and the second tube body 2. During welding, this structure can continue to support the first tube body 1 and the second tube body 2, which can improve the docking quality of the first tube body 1 and the second tube body 2 at the pipe mouths.

[0041] There is a lack of limiting structure at the driving seat 9. When the driving seat 9 is accidentally touched, it is easy to rotate by itself, which will affect the stability of the clamping assembly when clamping the first tube body 1 and the second tube body 2. A fixing block 10 fixed to one side of the driving seat 9 is provided above the positioning seat 3. An annular groove is provided on the peripheral side of the driving seat 9. A cavity is provided inside the fixing block 10. A clamping block 11 is provided inside the cavity. The front end of the clamping block 11 can be inserted into the inside of the annular groove and can limit the driving seat 9. A third screw 12 is rotatably provided on the fixing block 10. A threaded groove is provided inside the clamping block 11. The third screw 12 can be inserted into the inside of the threaded groove, and the third screw 12 is threadedly connected to the clamping block 11.

[0042] After the drive seat 9 has completed its rotation, the third screw 12 is rotated. At this time, the front end of the third screw 12 can be inserted into the annular groove through the action of the threaded structure. The friction between the third screw 12 and the inner wall of the annular groove can limit the drive seat 9. When the drive seat 9 is accidentally touched, it is not easy to rotate itself, thereby improving the stability of the clamping assembly when clamping the first tube body 1 and the second tube body 2, and further improving the stability of the first tube body 1 and the second tube body 2 when docking.

[0043] Furthermore, the cross-section of the annular groove is trapezoidal, the front end of the clamping block 11 is trapezoidal, and a plurality of anti-slip grooves are provided on the inner wall of the annular groove. The anti-slip grooves can further increase the friction between the third screw 12 and the inner wall of the annular groove.

[0044] In this structure, a rocker is provided at the upper end of the driving seat 9, and a toggle block is provided at the upper end of the first screw rod 8 and the outer end of the third screw rod 12, so that the driving seat 9, the first screw rod 8 and the third screw rod 12 can be easily operated.

[0045] When the present structure is not in use, since the two positioning seats 3 are both in the unfolded state, the present structure will occupy too much space, which will make the present structure difficult to carry or store. Two limiting seats 20 are symmetrically arranged on the fixing ring 18, and a limiting hole 21 is arranged at the bottom of the positioning plate 19. Two side plates 27 and a movable ring 24 are symmetrically arranged at both ends of the transverse axis 17. The movable ring 24 is penetrated by the transverse axis 17, and the movable ring 24 can slide on the transverse axis 17. A transverse plate 23 is fixedly arranged at one end of the movable ring 24 close to the limiting seat 20, and a plug 22 that can penetrate the limiting seat 20 and the limiting hole 21 is arranged at both ends of the transverse plate 23. Two first support rods 26 are symmetrically arranged at both ends of the side plate 27, and a spring is fixedly arranged inside the first support rod 26. One end of the spring is provided with a second support rod 25 connected to the movable ring 24. A fixed shaft is arranged at the bottom end of the positioning plate 19, and both ends of the fixed shaft are rotatably connected to the transverse plate 23.

[0046] When the present structure is in use, the insertion rod 22 will pass through the limiting hole 21. At this time, the positioning plate 19 can be limited by the insertion rod 22, so that the two positioning seats 3 can be more stable after being unfolded. At this time, the spring in the first support rod 26 is in a normal state. When the two positioning seats 3 need to be stored, the sliding movable ring 24 can make the second support rod 25 compress the spring in the first support rod 26. At this time, the movable ring 24 will move on the horizontal axis 17, so that the insertion rod 22 can be pulled out of the limiting hole 21. At this time, through the action of the fixed axis, the bottom of the positioning plate 19 can be rotated on the horizontal plate 23, so that the two positioning seats 3 can be folded, and the two positioning seats 3 can be brought closer together. When the present structure is not in use, the present structure will not take up too much space, making the present structure easier to carry or store.

[0047] In this structure, the side panels 27 are fixed to both ends of the horizontal axis 17 by bolts. The bolt fixing method can facilitate the assembly of the side panels 27. The side panels 27 and the first support rod 26 are an integrated structure, which can facilitate the installation of components such as the first support rod 26.

[0048] Furthermore, the clamping assembly and the positioning assembly are both made of aluminum alloy, which has the advantages of high strength and strong corrosion resistance, and can prevent the clamping assembly and the positioning assembly from being easily damaged.

[0049] Furthermore, a mounting plate is provided at the bottom of the fixing seat 6 , and the mounting plate is fixed to the upper end of the positioning seat 3 by screws, so that the fixing seat 6 can be easily assembled on the positioning seat 3 .

[0050] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0051] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A device for aligning the insulation pipes at the joint of thermal construction, characterized by: It comprises a first tube body (1), a second tube body (2), a transverse axis (17) and two positioning seats (3); Two fixing rings (18) are symmetrically arranged on the transverse axis (17), two positioning plates (19) are symmetrically arranged on the fixing ring (18), a side seat (30) fixed to one side of the positioning seat (3) is arranged at one end of the positioning plate (19) away from the fixing ring (18), and two clamping components and two positioning components are symmetrically arranged on the positioning seat (3); The clamping assembly comprises a fixed seat (6), a first screw rod (8) and a positioning rod (4); the fixed seat (6) is fixed on the upper end of the positioning seat (3); the positioning rod (4) can pass through the fixed seat (6); a top seat (7) is fixedly arranged above the fixed seat (6); a first screw rod (8) inserted into the interior of the positioning rod (4) is rotatably arranged on the top seat (7); the first screw rod (8) is threadedly connected to the positioning rod (4); a driving seat (9) is fixedly arranged at the top end of the first screw rod (8); a first forked rod is arranged at the bottom end of the positioning rod (4); a first positioning shaft (5) is fixedly arranged at the bottom of the first forked rod; two positioning blocks (28) for limiting the first tube body (1) and the second tube body (2) are symmetrically arranged at both ends of the first positioning shaft (5); and a plurality of the positioning blocks (28) respectively contact the outer walls of the first tube body (1) and the second tube body (2); The positioning assembly comprises a second screw rod (16), an adapter block (13) and a limiting rod (14); the second screw rod (16) passes through both ends of the positioning seat (3), and the second screw rod (16) is threadedly connected to the positioning seat (3); the bottom end of the second screw rod (16) is rotatably connected to one end of the adapter block (13); the limiting rod (14) is fixedly arranged at the other end of the adapter block (13); a second forked rod is provided at the bottom end of the limiting rod (14); a second positioning shaft (15) is fixedly arranged at the bottom of the second forked rod; rollers (29) that contact the outer walls of the first tube body (1) and the second tube body (2) are rotatably arranged at both ends of the second positioning shaft (15).

2. According to claim 1, a device for aligning the ends of thermal insulation pipes at the joints of thermal construction, characterized in that: A fixing block (10) fixed to one side of the driving seat (9) is provided above the positioning seat (3); an annular groove is provided on the circumference of the driving seat (9); a cavity is provided inside the fixing block (10); a clamping block (11) is provided inside the cavity; a front end of the clamping block (11) can be inserted into the annular groove and can limit the driving seat (9); a third screw (12) is rotatably provided on the fixing block (10); a threaded groove is provided inside the clamping block (11); the third screw (12) can be inserted into the threaded groove, and the third screw (12) is threadedly connected to the clamping block (11).

3. According to claim 2, a device for aligning the ends of thermal insulation pipes at the joints of thermal construction, characterized in that: The cross section of the annular groove is trapezoidal, the front end of the clamping block (11) is trapezoidal, and a plurality of anti-slip grooves are provided on the inner wall of the annular groove.

4. The device for locating the ends of thermal insulation pipes at the joints of thermal construction according to claim 3 is characterized by: The upper end of the driving seat (9) is provided with a rocker, and the upper end of the first screw rod (8) and the outer end of the third screw rod (12) are both provided with a toggle block.

5. According to claim 4, a device for aligning the ends of thermal insulation pipes at the joints of thermal construction, characterized in that: Two limiting seats (20) are symmetrically arranged on the fixed ring (18), a limiting hole (21) is arranged at the bottom of the positioning plate (19), two side plates (27) and a movable ring (24) are symmetrically arranged at both ends of the transverse axis (17), the movable ring (24) is penetrated by the transverse axis (17), and the movable ring (24) can slide on the transverse axis (17), a transverse plate (23) is fixedly arranged at one end of the movable ring (24) close to the limiting seat (20), and a plug rod (22) that can penetrate the limiting seat (20) and the limiting hole (21) is arranged at both ends of the transverse plate (23), two first support rods (26) are symmetrically arranged at both ends of the side plate (27), a spring is fixedly arranged inside the first support rod (26), and a second support rod (25) connected to the movable ring (24) is arranged at one end of the spring, and a fixed shaft is arranged at the bottom end of the positioning plate (19), and both ends of the fixed shaft are rotatably connected to the transverse plate (23).

6. The device for locating the ends of thermal insulation pipes at the joints of thermal construction according to claim 5 is characterized by: The side plates (27) are fixed to both ends of the transverse axis (17) by bolts.

7. The device for aligning the insulated pipes at the joint of thermal construction according to claim 6 is characterized by: The clamping assembly and the positioning assembly are both made of aluminum alloy.

8. The device for aligning the ends of thermal insulation pipes at the joints of thermal construction according to claim 7 is characterized by: A mounting plate is provided at the bottom of the fixing seat (6), and the mounting plate is fixed to the upper end of the positioning seat (3) by means of screws.

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