A splicable exhaust pipe support frame

Abstract

The utility model belongs to pipeline support technical field discloses a kind of splicing exhaust pipe support frame, including two connecting frames, the end of two connecting frames mutually close is fixedly connected with connecting plate one, connecting plate lower end is fixedly connected with support seat, and the upper end of two connecting frames is fixedly connected with support mechanism by bolt, and the upper end of support mechanism is movably connected with buckling mechanism, and the inside of support mechanism and the inside of buckling mechanism are fixedly connected with exhaust pipe body. Through the quick splicing between buckling mechanism and support mechanism, without complex equipment and professional technology in installation and dismounting process, through bolt connection, lock tongue engagement and other structures realize quick assembly, greatly reduce the dependence on manpower and equipment when support frame is installed and used, greatly improve construction efficiency, also convenient for later maintenance of pipeline;Through support seat, the continuous adjustment of support height can be realized, and the installation position of support frame can be changed simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of pipeline support technology, specifically to a splicable exhaust gas pipeline support frame. Background Technology

[0002] In the fields of industrial production and environmental governance, waste gas pipelines, as core infrastructure for transporting industrial waste gas, are directly related to production efficiency, operator safety, and the surrounding ecological environment due to their stable installation and safe operation. However, traditional waste gas pipeline support frames have gradually revealed many unavoidable problems in practical applications, becoming a key bottleneck restricting the reliability of pipeline systems.

[0003] From a structural design perspective, traditional support frames mostly adopt integrated welding or fixed connection methods. This design results in a severe lack of flexibility. At the same time, disassembling integrated support frames is extremely difficult during pipeline maintenance, replacement, or system modification. In terms of pipeline fixing performance, most support frames only contact the pipeline through simple clamps or brackets, lacking the ability to adaptively adjust to pipelines of different diameters. When there is a slight deviation in the pipeline diameter, or when thermal expansion and contraction occur due to temperature changes, gaps can easily appear between the support frame and the pipeline, causing the pipeline to shake or shift during operation. In addition, the installation of traditional support frames often requires multiple workers to work together, using complex lifting equipment and welding tools to complete the positioning and fixing. The construction process is cumbersome and requires a high level of technical skill from the operators.

[0004] Chinese Patent Announcement No. CN222760424U discloses a height-adjustable gas pipeline support frame. This solution involves placing the gas pipeline to be installed inside a clamping device, fixing the clamping device in place, and manually rotating a second bevel gear. The second bevel gear drives the first bevel gear to move, which in turn drives the threaded rod to rotate. At this time, the movable frame moves up and down relative to the inside, and the clamping device also moves up and down relative to the inside. The gas pipeline moves along with it, thus allowing the height of the gas pipeline to be adjusted. This solves the problem that the height of the gas pipeline support frame structure in the existing structure cannot be adjusted.

[0005] However, the following defects still exist in the actual implementation process: the support frame needs to be connected to the upper and lower clamping frames with multiple bolts during use, which takes a lot of time during installation and reduces the installation speed.

[0006] Based on this, the present invention designs a splicable exhaust gas pipeline support frame to solve the above problems. Utility Model Content

[0007] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a splicable exhaust gas pipeline support frame.

[0008] To achieve the above objectives, this utility model provides the following technical solution: A splicable exhaust gas duct support frame includes two connecting frames. A connecting plate is fixedly connected to one end of each connecting frame, and a support base is fixedly connected to the lower end of each connecting plate. A support mechanism is fixedly connected to the upper ends of the two connecting frames via bolts. A fastening mechanism is movably connected to the upper end of the support mechanism. The exhaust gas duct body is abutted against the interior of both the support mechanism and the fastening mechanism. The fastening mechanism includes an upper fastening plate, and multiple internally threaded pipes are fixedly connected to the inner surface of the upper fastening plate. A screw is threaded onto the upper plate. A handle is fixedly connected to one side of the screw, and a fixing head is fixedly connected to the other side of the screw. A positioning component is fixedly connected to the inner surface of the upper plate, and locking components are fixedly connected to both sides of the upper plate. The upper plate has an arc-shaped structure that adapts to the outer contour of the exhaust gas pipe, serving to wrap around the upper part of the pipe. An internally threaded tube and a screw form a threaded adjustment structure, which enables the axial movement of the screw through threaded transmission. The fixing head is used to directly contact the outer wall of the exhaust gas pipe to compress and fix the pipe. Furthermore, the positioning component includes a connecting tube, a spring fixedly connected to the top wall of the inner cavity of the connecting tube, a slider fixedly connected to the lower end of the spring, a connecting rod fixedly connected to the lower end of the slider, the outer surface of the connecting rod slidingly connected to the inner surface of the connecting tube, and a rubber plate fixedly connected to the lower end of the connecting rod. The connecting tube guides the movement of the connecting rod, ensuring its vertical lifting and lowering. The rubber plate has a certain elasticity and friction, which can both tightly fit the outer wall of the pipe to achieve positioning and avoid rigid contact that could damage the pipe. Furthermore, the locking assembly includes a locking plate with a slot at its lower end and a groove on one side of the slot. Two sliders are slidably connected to the inner cavity of the groove. A sliding rod is fixedly connected to the far ends of the two sliders, and a pressure block is fixedly connected to the far ends of the two sliding rods. Limiting blocks are fixedly connected to both sides of the locking plate. The outer surfaces of the two sliding rods are slidably connected to the inner surfaces of the two limiting blocks. The locking plate is the main structure of the locking assembly. The slot is used to cooperate with the insertion assembly on the support mechanism to achieve initial docking. The groove on one side of the slot provides a sliding track for the sliders. The sliders are used to press the locking tongue of the insertion assembly to release the lock. The sliding rods connect the sliders and the pressure blocks, transmitting the operator's pressing pressure. Furthermore, the support mechanism includes a lower buckle plate, on the inner surface of which multiple internally threaded tubes are fixedly connected. Each of the internally threaded tubes has a screw rod threaded onto its inner surface. A handle is fixedly connected to one side of each screw rod, and a fixing head is fixedly connected to the other side. A positioning component is fixedly connected to the inner surface of the lower buckle plate. The structure of the positioning component is identical to that of the positioning component. Insertion components are fixedly connected to both sides of the lower buckle plate. The lower buckle plate has an arc-shaped structure and is symmetrically arranged with the upper buckle plate, together wrapping the exhaust gas pipe. The positioning component cooperates with the positioning component to achieve initial positioning of the pipe from both the upper and lower sides. Furthermore, the insertion component includes a connecting plate two, with a hollow storage block fixedly connected to the upper end of the connecting plate two. A partition is fixedly connected to the inner cavity of the hollow storage block, and multiple springs two are fixedly connected to both sides of the partition. Two locking tongues are fixedly connected to the outer sides of the multiple springs two respectively. The outer surfaces of the two locking tongues are slidably connected to the inner cavity of the hollow storage block. The locking tongues have a wedge-shaped structure, which facilitates insertion into the slot of the locking component and achieves locking, thus completing the splicing. Furthermore, the support base includes a threaded tube three, the inner cavity of which is threaded with a threaded post. A support rod is fixedly connected to the lower end of the threaded post, and a positioning plate is fixedly connected to the lower end of the support rod. The threaded tube three and the threaded post form a height adjustment structure, and the support height is adjusted through threaded transmission. The positioning plate can increase the contact area with the ground or ceiling, improve the stability of the support base, and facilitate fixing it to the ground or ceiling with bolts. Furthermore, the internally threaded tube is fixedly installed at the lower end of the connecting plate, and both connecting plates are fixedly installed at the lower end of the lower buckle plate by bolts; Furthermore, the connecting pipe is fixedly installed on the inner surface of the upper buckle plate, the locking plate is fixedly installed on one side of the upper buckle plate, and the second connecting plate is fixedly installed on one side of the lower buckle plate.

[0009] Compared with the prior art, the advantages of this utility model are as follows:

[0010] (1) This solution uses modular design and quick splicing between fastening mechanism and support mechanism to accurately fix exhaust gas pipes of different diameters; through support base, the support height can be continuously adjusted to adapt to the needs of pipes with different laying heights, and the installation position of support frame can be changed, which is suitable for supporting exhaust gas pipes in different positions.

[0011] (2) This solution adopts a dual fixing structure of preliminary positioning + precise fixing, which greatly improves the stability of pipe fixing. The spring in the positioning component applies continuous contact pressure to the pipe through the rubber plate, and uses friction to achieve preliminary positioning of the pipe. The fixing head driven by multiple screws squeezes and fixes the pipe from both the top and bottom sides, ensuring that the pipe and the support frame fit tightly together, effectively avoiding gaps and shaking caused by pipe diameter deviation or thermal expansion and contraction.

[0012] (3) This solution achieves rapid splicing between the fastening mechanism and the support mechanism, eliminating the need for complex equipment and professional technology during installation and disassembly. Rapid assembly is achieved through bolt connection, locking tongue and other structures, which greatly reduces the reliance on manpower and equipment during the installation and use of the support frame, significantly improving construction efficiency. At the same time, the splicing method between the two also facilitates the maintenance and care of the pipeline in the later stage. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the fastening mechanism of this utility model; Figure 3 This is a schematic diagram of the positioning component of this utility model; Figure 4 This is a schematic diagram of the locking component of this utility model; Figure 5 This is a schematic diagram of the support mechanism of this utility model; Figure 6 This is a schematic diagram of the insertion component of this utility model; Figure 7 This is a schematic diagram of the support base of this utility model.

[0015] The labels in the diagram represent: 1. Connecting frame; 2. Connecting plate one; 3. Support base; 31. Internally threaded pipe three; 32. Threaded post; 33. Support rod; 34. Positioning plate; 4. Exhaust gas pipe body; 5. Fastening mechanism; 51. Upper fastening plate; 52. Internally threaded pipe one; 53. Screw one; 54. Rotary handle one; 55. Fixed head one; 56. Positioning assembly one; 561. Connecting pipe; 562. Spring one; 563. Slider one; 564. Connecting rod; 565. Rubber plate; 57. Locking mechanism Components; 571, Locking plate; 572, Insert; 573, Slide groove; 574, Slider II; 575, Slide rod; 576, Pressure block; 577, Limiting block; 6, Support mechanism; 61, Lower buckle plate; 62, Internal threaded tube II; 63, Screw II; 64, Rotary handle II; 65, Fixing head II; 66, Positioning component II; 67, Insertion component; 671, Connecting plate II; 672, Hollow storage block; 673, Partition; 674, Spring II; 675, Locking tongue. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0017] The present invention will be further described below with reference to the embodiments.

[0018] In some embodiments, please refer to the appendix to the instruction manual. Figure 1 - Figure 6 A splicable exhaust gas pipeline support frame includes two connecting frames 1. The two connecting frames 1 are connected to a connecting plate 2 at their close ends. The lower end of the connecting plate 2 is connected to a support base 3. The upper ends of the two connecting frames 1 are connected to a support mechanism 6 by bolts. The upper end of the support mechanism 6 is movably connected to a fastening mechanism 5. The exhaust gas pipeline body 4 is abutted inside the support mechanism 6 and the fastening mechanism 5. The fastening mechanism 5 includes an upper fastening plate 51. Multiple internally threaded pipes 52 are fixedly connected to the inner surface of the upper fastening plate 51. Each internally threaded pipe 52 is threadedly connected to a screw 53. A rotating handle 54 is fixedly connected to one side of the screw 53. A fixing head 55 is fixedly connected to the other side of the screw 53. A positioning component 56 is fixedly connected to the inner surface of the upper fastening plate 51. Locking components 57 are fixedly connected to both sides of the upper fastening plate 51.

[0019] The positioning component 56 includes a connecting tube 561, which is fixedly installed on the inner surface of the upper buckle plate 51. A spring 562 is fixedly connected to the top wall of the inner cavity of the connecting tube 561. A slider 563 is fixedly connected to the lower end of the spring 562. A connecting rod 564 is fixedly connected to the lower end of the slider 563. The outer surface of the connecting rod 564 is slidably connected to the inner surface of the connecting tube 561. A rubber plate 565 is fixedly connected to the lower end of the connecting rod 564.

[0020] The locking assembly 57 includes a locking plate 571, which is fixedly installed on one side of the upper buckle plate 51. The lower end of the locking plate 571 has an insertion port 572, and a sliding groove 573 is provided on one side of the insertion port 572. Two sliders 574 are slidably connected to the inner cavity of the sliding groove 573. A sliding rod 575 is fixedly connected to the two sliders 574 at their respective ends. A pressure block 576 is fixedly connected to the two sliding rods 575 at their respective ends. Limiting blocks 577 are fixedly connected to both sides of the locking plate 571. The outer surfaces of the two sliding rods 575 are slidably connected to the inner surfaces of the two limiting blocks 577, respectively.

[0021] The support mechanism 6 includes a lower buckle plate 61. Two connecting plates 1 2 are fixedly installed at the lower end of the lower buckle plate 61 by bolts. Multiple internally threaded tubes 2 62 are fixedly connected to the inner surface of the lower buckle plate 61. Each internally threaded tube 2 62 is threadedly connected to a screw 2 63. A rotating handle 2 64 is fixedly connected to one side of the screw 2 63, and a fixing head 2 65 is fixedly connected to the other side of the screw 2 63. A positioning component 2 66 is fixedly connected to the inner surface of the lower buckle plate 61. The structure of the positioning component 2 66 is exactly the same as that of the positioning component 1 56. Insertion components 67 are fixedly connected to both sides of the lower buckle plate 61.

[0022] The insertion component 67 includes a second connecting plate 671, which is fixedly installed on one side of the lower buckle plate 61. A hollow storage block 672 is fixedly connected to the upper end of the second connecting plate 671. A partition 673 is fixedly connected to the inner cavity of the hollow storage block 672. Multiple springs 674 are fixedly connected to both sides of the partition 673. Two locking tongues 675 are fixedly connected to the outer sides of the multiple springs 674 respectively. The outer surfaces of the two locking tongues 675 are slidably connected to the inner cavity of the hollow storage block 672.

[0023] In this embodiment of the utility model, by placing the exhaust gas pipe body 4 inside the lower buckle plate 61, the rubber plate 565 in the positioning component 2 66 moves downward under the gravity of the pipe, causing the connecting rod 564 in the positioning component 2 66 to slide downward and compress the spring 1 562 in the positioning component 2 66. The reaction force generated by the spring 1 562 is transmitted to the rubber plate 565 through the connecting rod 564, so that the rubber plate 565 fits tightly against the outer wall of the pipe, supporting and initially positioning the pipe.

[0024] Then, the upper buckle plate 51 is placed on the upper end of the exhaust pipe body 4, so that the socket 572 in the locking component 57 is aligned with the hollow storage block 672 of the insertion component 67 and pressed down. During the pressing process, the locking tongues 675 on both sides of the hollow storage block 672 are squeezed by the inner wall of the socket 572, shrink into the inner cavity of the hollow storage block 672 and compress the second spring 674. When the hollow storage block 672 is fully inserted into the socket 572, it will enter the slide groove 573. Under the elastic force of the second spring 674, the locking tongue 675 pops out along the slide groove 573 and locks in the slide groove 573 of the locking plate 571. At this time, the upper buckle plate 51 and the lower buckle plate 61 are spliced. The positioning component 56 in the upper buckle plate 51 is also tightly attached to the upper surface of the pipe through the rubber plate 565 under the action of the first spring 562, further enhancing the positioning effect of the pipe.

[0025] At this time, rotate the second handle 64 on the lower buckle plate 61 and the first handle 54 on the upper buckle plate 51 respectively. The second handle 64 drives the second screw 63 to rotate inside the second internal threaded tube 62, and the first handle 54 drives the first screw 53 to rotate inside the first internal threaded tube 52. Through the threaded transmission, the second fixing head 65 and the first fixing head 55 are pushed to move towards the outer wall of the exhaust gas pipe body 4 until the second fixing head 65 and the first fixing head 55 are tightly abutted against the outer wall of the pipe, thus achieving all-round fixation of the pipe.

[0026] In some embodiments, such as Figure 1 and Figure 7 As shown, in a preferred embodiment of the present invention, the support base 3 includes an internally threaded tube 31, which is fixedly installed on the lower end of the connecting plate 2. The internally threaded tube 31 is threadedly connected to a threaded post 32, and the lower end of the threaded post 32 is fixedly connected to a support rod 33. The lower end of the support rod 33 is fixedly connected to a positioning plate 34.

[0027] In this embodiment of the utility model, the support base 3 can be fixed to the ground or ceiling with bolts through the mounting holes on the positioning plate 34, so that the support frame can be used for exhaust pipes in different positions. After fixing, the support rod 33 can be rotated according to the height position of the exhaust pipe body 4, so as to drive the threaded column 32 to rotate in the internal threaded pipe 31. The support height can be adjusted through thread transmission, and the rotation stops after the adjustment is in place.

[0028] Working principle: Basic fixing: The support base 3 can be fixed in the preset installation position by bolts through the mounting holes on the positioning plate 34. After fixing, the support rod 33 can be rotated according to the laying height requirements of the exhaust pipe body 4, which will drive the threaded column 32 to rotate in the internal threaded pipe 31. The support height can be adjusted through thread transmission. After adjustment, the rotation stops. The self-locking characteristic of the threaded engagement can keep the current height unchanged.

[0029] Pipe placement and preliminary positioning: The exhaust gas pipe body 4 is placed inside the lower buckle plate 61. At this time, the rubber plate 565 in the positioning component 2 66 moves downward under the gravity of the pipe, causing the connecting rod 564 in the positioning component 2 66 to slide downward and compress the spring 1 562 in the positioning component 2 66. The reaction force generated by the spring 1 562 is transmitted to the rubber plate 565 through the connecting rod 564, so that the rubber plate 565 fits tightly against the outer wall of the pipe, supporting and initially positioning the pipe.

[0030] Pipe fixing: Cover the upper buckle plate 51 on the upper end of the exhaust pipe body 4, align the socket 572 in the locking component 57 with the hollow storage block 672 of the insertion component 67 and press it down. During the pressing process, the locking tongues 675 on both sides of the hollow storage block 672 are squeezed by the inner wall of the socket 572, shrink into the inner cavity of the hollow storage block 672 and compress the second spring 674. When the hollow storage block 672 is fully inserted into the socket 572, the locking tongue 675 pops out under the elastic force of the second spring 674 and locks onto the lower surface of the locking plate 571, realizing the splicing of the fastening mechanism 5 and the support mechanism 6. At this time, the positioning component 56 in the upper buckle plate 51 is also tightly attached to the upper surface of the pipe through the rubber plate 565 under the action of the first spring 562, further enhancing the positioning effect of the pipe.

[0031] Next, the pipe is precisely fixed: Rotate the second handle 64 on the lower buckle plate 61 and the first handle 54 on the upper buckle plate 51 respectively. The second handle 64 drives the second screw 63 to rotate inside the second internal threaded pipe 62, and the first handle 54 drives the first screw 53 to rotate inside the first internal threaded pipe 52. Through the threaded transmission, the second fixing head 65 and the first fixing head 55 are pushed to move towards the outer wall of the exhaust pipe body 4 until the second fixing head 65 and the first fixing head 55 are tightly abutted against the outer wall of the pipe, thus achieving all-round fixation of the pipe.

[0032] When it is necessary to disassemble or adjust the pipe, first rotate the first handle 54 and the second handle 64 in the opposite direction to move the first fixing head 55 and the second fixing head 65 away from the pipe. Then press the pressure blocks 576 on both sides inward. The pressure blocks 576 drive the slide rod 575 and the second slider 574 to slide along the slide groove 573 towards the middle. The second slider 574 squeezes the locking tongue 675 to retract it into the hollow storage block 672. At this time, lifting the upper buckle plate 51 can release the splicing lock between the fastening mechanism 5 and the support mechanism 6.

[0033] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A splicable exhaust gas pipeline support frame, comprising two connecting frames (1), characterized in that: Two connecting frames (1) are fixedly connected to a connecting plate (2) at their close ends. A support base (3) is fixedly connected to the lower end of the connecting plate (2). A support mechanism (6) is fixedly connected to the upper end of the two connecting frames (1) by bolts. A fastening mechanism (5) is movably connected to the upper end of the support mechanism (6). The exhaust gas pipe body (4) is abutted together inside the support mechanism (6) and the fastening mechanism (5). The fastening mechanism (5) includes an upper fastening plate (51). Multiple internally threaded pipes (52) are fixedly connected to the inner surface of the upper fastening plate (51). A screw (53) is threadedly connected to the inner surface of each of the multiple internally threaded pipes (52). A rotating handle (54) is fixedly connected to one side of the screw (53). A fixing head (55) is fixedly connected to the other side of the screw (53). A positioning component (56) is fixedly connected to the inner surface of the upper fastening plate (51). Locking components (57) are fixedly connected to both sides of the upper fastening plate (51).

2. The splicable exhaust gas pipeline support frame according to claim 1, characterized in that: The positioning component 1 (56) includes a connecting tube (561), a spring 1 (562) is fixedly connected to the top wall of the inner cavity of the connecting tube (561), a slider 1 (563) is fixedly connected to the lower end of the spring 1 (562), a connecting rod (564) is fixedly connected to the lower end of the slider 1 (563), the outer surface of the connecting rod (564) is slidably connected to the inner surface of the connecting tube (561), and a rubber plate (565) is fixedly connected to the lower end of the connecting rod (564).

3. The splicable exhaust gas pipeline support frame according to claim 2, characterized in that: The locking assembly (57) includes a locking plate (571), with an insertion port (572) at the lower end of the locking plate (571). A sliding groove (573) is provided on one side of the insertion port (572). Two sliders (574) are slidably connected to the inner cavity of the sliding groove (573). A sliding rod (575) is fixedly connected to the opposite end of each of the two sliders (574). A pressure block (576) is fixedly connected to the opposite end of each of the two sliding rods (575). Limiting blocks (577) are fixedly connected to both sides of the locking plate (571). The outer surfaces of the two sliding rods (575) are slidably connected to the inner surfaces of the two limiting blocks (577).

4. The splicable exhaust gas pipeline support frame according to claim 3, characterized in that: The support mechanism (6) includes a lower buckle plate (61), and a plurality of internally threaded tubes (62) are fixedly connected to the inner surface of the lower buckle plate (61). Each of the internally threaded tubes (62) is threadedly connected to a screw rod (63). A rotating handle (64) is fixedly connected to one side of the screw rod (63), and a fixing head (65) is fixedly connected to the other side of the screw rod (63). A positioning component (66) is fixedly connected to the inner surface of the lower buckle plate (61). The structure of the positioning component (66) is exactly the same as that of the positioning component (56). An insertion component (67) is fixedly connected to both sides of the lower buckle plate (61).

5. The splicable exhaust gas pipeline support frame according to claim 4, characterized in that: The insertion component (67) includes a connecting plate two (671), a hollow storage block (672) is fixedly connected to the upper end of the connecting plate two (671), a partition plate (673) is fixedly connected to the inner cavity of the hollow storage block (672), a plurality of springs two (674) are fixedly connected to both sides of the partition plate (673), and two locking tongues (675) are fixedly connected to the outer sides of the plurality of springs two (674), and the outer surfaces of the two locking tongues (675) are slidably connected to the inner cavity of the hollow storage block (672).

6. The splicable exhaust gas pipeline support frame according to claim 1, characterized in that: The support base (3) includes an internally threaded tube three (31), the internally threaded tube three (31) is threadedly connected to a threaded column (32), the lower end of the threaded column (32) is fixedly connected to a support rod (33), and the lower end of the support rod (33) is fixedly connected to a positioning plate (34).

7. The splicable exhaust gas pipeline support frame according to claim 6, characterized in that: The internal threaded tube three (31) is fixedly installed at the lower end of the connecting plate one (2), and both connecting plates one (2) are fixedly installed at the lower end of the lower buckle plate (61) by bolts.

8. The splicable exhaust gas pipeline support frame according to claim 5, characterized in that: The connecting pipe (561) is fixedly installed on the inner surface of the upper buckle plate (51), the locking plate (571) is fixedly installed on one side of the upper buckle plate (51), and the second connecting plate (671) is fixedly installed on one side of the lower buckle plate (61).

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