Exhaust pipe positioning tool clamp

Abstract

The utility model discloses an exhaust pipe positioning work fixture which comprises a workbench, the workbench is provided with a positioning fixture mechanism used for positioning and fixing a first end face, a clamping mechanism used for clamping a second connecting plate, a first supporting piece, a second supporting piece, a third supporting piece and a telescopic ejector rod assembly, the first supporting piece is used for supporting a connecting pipe, and the second supporting piece is used for supporting a second end face. The second supporting piece is matched with the first abutting part and the second abutting part in an abutting and limiting mode, the third supporting piece is matched with the bottom of the second connecting plate in an abutting mode, and the telescopic ejector rod assembly is matched with the peripheral wall of the side, close to the first connecting plate, of the connecting pipe in an abutting mode. The exhaust pipe fixing device has the following advantages that a first connecting plate of an exhaust pipe is connected with a top block on a fixing plate in a matched mode, then a through cavity of the exhaust pipe is connected to the periphery of a mounting table in a sleeving mode, then a connecting pipe of the exhaust pipe is placed in a supporting groove, a first abutting part is correspondingly matched with a first supporting rod, and a second abutting part is correspondingly matched with a second supporting rod; therefore, positioning of the connecting pipe is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to an exhaust pipe positioning tooling fixture. Background Art

[0002] The exhaust pipe is part of the engine's exhaust system. The exhaust system mainly includes the exhaust manifold, exhaust pipe and muffler. Generally, a three-way catalytic converter for controlling engine pollutant emissions is also installed in the exhaust system. The exhaust pipe generally includes the front exhaust pipe and the rear exhaust pipe.

[0003] refer to Figure 1-Figure 2 , there is an exhaust pipe in the prior art, the exhaust pipe 1 includes a first connecting plate 11, a second connecting plate 12 and a connecting pipe 13, the connecting pipe 13 is connected between the first connecting plate 11 and the second connecting plate 12, the first connecting plate 11 has a first end face 111, the second connecting plate 12 has a second end face 121, the first end face 111 and the second end face 121 are arranged at an angle, and the exhaust pipe 1 of the prior art needs to be processed on the second end face 121, and the first connecting plate 11, the second connecting plate 12 and the connecting pipe 13 have a through cavity 10, and the outer wall of the connecting pipe 13 is provided with a first abutment portion 14 and a second abutment portion 15. Therefore, for processing the exhaust pipe 1 in the prior art, it is necessary to position and fix the first end face 111, and it is also necessary to limit and fix the connecting pipe 13. However, there is no fixture for processing the above-mentioned exhaust pipe 1 in the prior art, so a fixture that can process the above-mentioned exhaust pipe 1 is urgently needed. Utility Model Content

[0004] The purpose of the present invention is to solve the above problems. The present invention provides an exhaust pipe positioning fixture, which has the advantage of stably clamping the exhaust pipe for processing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a workbench, on which a positioning clamp mechanism for positioning and fixing the first end face, a clamping mechanism for clamping the second connecting plate, a first support member, a second support member, a third support member and a telescopic push rod assembly are provided, the first support member is used to support the connecting pipe, the second support member is in abutment and limited cooperation with the first abutment portion and the second abutment portion, the third support member is in abutment and cooperation with the bottom of the second connecting plate, and the telescopic push rod assembly is in abutment and cooperation with the outer peripheral wall of the connecting pipe on one side close to the first connecting plate.

[0006] Preferably, the positioning fixture mechanism includes a first fixing seat, a fixing plate and an inner supporting fixture, the fixing plate is fixedly mounted on the first fixing seat, the inner supporting fixture is mounted in the first fixing seat, a mounting platform is provided on the fixing plate, a sliding hole is provided in the mounting platform and the fixing plate, the inner supporting fixture includes a sliding seat that is slidably matched with the sliding hole, the sliding seat has a plurality of circumferentially distributed oblique grooves, the oblique grooves are provided with a sliding block that abuts and cooperates, the mounting platform is provided with a through hole that cooperates with the sliding block, and the sliding seat reciprocates between the first position and the second position along the axial direction of the sliding hole;

[0007] When the sliding seat moves from the first position to the second position, the sliding seat pushes the sliding block to slide along the axis direction of the through hole toward the side away from the sliding seat through the inclined groove;

[0008] When the sliding seat moves from the second position to the first position, the sliding seat drives the sliding block to slide along the axis direction of the through hole toward the side close to the sliding seat through the inclined groove.

[0009] Preferably, a first oil cylinder is installed on the first fixed seat, a driving end of the first oil cylinder is connected to the sliding seat, and the first oil cylinder drives the sliding seat to move back and forth between the first position and the second position.

[0010] Preferably, the positioning fixture mechanism also includes a clamping mechanism, and the clamping mechanism includes a first connecting seat and a second oil cylinder. The first connecting seat is fixedly mounted on the first fixed seat, and the second oil cylinder is installed in the first connecting seat. The second oil cylinder is provided with a first driving rod, and the first driving rod is hinged with a clamping jaw. The first connecting seat is provided with a protrusion, and a connecting rod is connected between the protrusion and the middle part of the clamping jaw.

[0011] Preferably, a plurality of top blocks are mounted on the fixing plate and are in abutment with the first end surface of the first connecting plate.

[0012] Preferably, the clamping mechanism includes two mutually symmetrical second fixing seats, and a third oil cylinder is installed on each of the second fixing seats. It should be noted that the driving ends of the third oil cylinder are arranged relatively to each other, and a second driving rod is provided on the third oil cylinder. A splint is installed on the second driving rod, and the splint has a groove, and the groove is used to cooperate with the outer peripheral wall of the second connecting plate.

[0013] Preferably, the first support member includes a second connecting seat and a support plate, the support plate is arranged at the upper end of the second connecting seat, the second connecting seat is fixedly installed on the upper end of the workbench, and the support plate has a support groove that matches the outer peripheral wall of the connecting tube, and the connecting tube abuts against the support groove.

[0014] Preferably, the second support member includes a third connecting seat and a fourth connecting seat, the third connecting seat and the fourth connecting seat are fixedly installed on the upper end of the workbench, the first support rod is installed on the third connecting seat, and the second support rod is installed on the fourth connecting seat, the first support rod is in abutment with the first abutment portion, and the second support rod is in abutment with the second abutment portion.

[0015] Preferably, the telescopic push rod assembly includes a fifth connecting seat, the upper end of the fifth connecting seat has an inclined surface, a fourth oil cylinder is installed on the inclined surface, and a push rod is driven and installed on the fourth oil cylinder, and the push rod is used to abut and cooperate with the outer peripheral wall of the connecting pipe on one side close to the first connecting plate.

[0016] Preferably, the third support member includes a connecting block, which is fixedly mounted in the middle of the fifth connecting seat, and the connecting block is provided with a supporting column extending upward.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] The utility model provides an exhaust pipe positioning fixture, which connects the first connecting plate of the exhaust pipe with the top block on the fixed plate, then connects the through cavity of the exhaust pipe to the outer periphery of the mounting platform, and then places the connecting pipe of the exhaust pipe in the support groove, and matches the first abutment portion with the first support rod, and matches the second abutment portion with the second support rod, so as to realize the positioning of the connecting pipe, and supports the bottom of the second connecting plate by the first support rod and the second support rod, and then fixes the exhaust pipe by abutting and matching through the positioning fixture mechanism, the clamping mechanism and the telescopic top rod assembly, so as to realize the fixed clamping of the exhaust pipe for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the exhaust pipe in the prior art from the first perspective;

[0020] Figure 2 A schematic diagram of the three-dimensional structure of an exhaust pipe in the prior art from a second perspective;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the exhaust pipe when processing the utility model;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of the positioning fixture mechanism of the utility model;

[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the clamping mechanism of the utility model;

[0025] Figure 7 This is a schematic diagram of the three-dimensional structure of the internal support clamp of the utility model;

[0026] Figure 8 This is a partial three-dimensional structural diagram of the internal support clamp of the utility model;

[0027] Figure 9 This is a schematic diagram of the exploded three-dimensional structure of the internal support fixture of the utility model;

[0028] Figure 10 This is a schematic diagram of the three-dimensional structure of the clamping mechanism of the utility model;

[0029] Figure 11 This is a schematic diagram of the three-dimensional structure of the first support member of the present invention;

[0030] Figure 12 This is a schematic diagram of the three-dimensional structure of the second support member of the present invention;

[0031] Figure 13 It is a schematic diagram of the three-dimensional structure of the telescopic push rod assembly and the third support member of the utility model.

[0032] Description of the drawings: 1. Exhaust pipe; 10. Through cavity; 11. First connecting plate; 111. First end surface; 12. Second connecting plate; 121. Second end surface; 13. Connecting pipe; 14. First abutting portion; 15. Second abutting portion; 2. Workbench; 3. Positioning fixture mechanism; 300. First oil cylinder; 30. First fixing seat; 301. First mounting surface; 302. Second mounting surface; 31. Fixing plate; 310. Through hole; 311. Mounting platform; 32. Clamping mechanism; 321. First connecting seat; 322. Protrusion; 323. First driving rod; 324. Connecting rod; 325. Clamping jaw; 33. Sliding block; 331 , matching block; 34, top block; 35, second oil cylinder; 36, sliding seat; 361, inclined groove; 4, clamping mechanism; 41, second fixed seat; 42, third oil cylinder; 43, second drive rod; 44, clamping plate; 45, groove; 5, first support member; 51, second connecting seat; 52, support plate; 53, support groove; 6, second support member; 61, third connecting seat; 62, first support rod; 63, fourth connecting seat; 64, second support rod; 7, telescopic push rod assembly; 70, inclined plane; 71, fifth connecting seat; 72, fourth oil cylinder; 73, push rod; 8, third support member; 81, connecting block; 82, support column. DETAILED DESCRIPTION

[0033] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0034] like Figure 3-Figure 13 As shown, an exhaust pipe positioning fixture includes a workbench 2, on which is provided a positioning fixture mechanism 3 for positioning and fixing the first end face 111, a clamping mechanism 4 for clamping the second connecting plate 12, a first support member 5, a second support member 6, a third support member 8 and a telescopic push rod assembly 7. The first support member 5 is used to support the connecting pipe, the second support member 6 is abutted and limited with the first abutting portion 14 and the second abutting portion 15, the third support member 8 is abutted and cooperated with the bottom of the second connecting plate 12, and the telescopic push rod assembly 7 is abutted and cooperated with the outer peripheral wall of the connecting pipe on one side close to the first connecting plate 11.

[0035] The positioning fixture mechanism 3 includes a first fixed seat 30, a fixed plate 31 and an inner support fixture, the fixed plate 31 is fixedly installed on the first fixed seat 30, the inner support fixture is installed in the first fixed seat 30, a plurality of top blocks 34 are installed on the fixed plate 31 to abut against the first end surface 111 of the first connecting plate 11, the fixed plate 31 is provided with a mounting platform 311, the mounting platform 311 and the fixed plate 31 are provided with sliding holes, the inner support fixture includes a sliding seat 36 that slidably fits into the sliding hole, the sliding seat 36 has a plurality of circumferentially distributed inclined grooves 361, the inclined grooves 361 are provided with a sliding block 33 that abuts and fits, the mounting platform 311 is provided with a through hole 310 that cooperates with the sliding block 33, and the sliding seat 36 reciprocates between the first position and the second position along the axial direction of the sliding hole;

[0036] When the sliding seat 36 moves from the first position to the second position, the sliding seat 36 pushes the sliding block 33 to slide along the axis direction of the through hole 310 toward the side away from the sliding seat 36 through the inclined groove 361;

[0037] When the sliding seat 36 moves from the second position to the first position, the sliding seat 36 drives the sliding block 33 to slide along the axis of the through hole 310 toward the side close to the sliding seat 36 through the inclined slot 361 .

[0038] Furthermore, the inclined groove 361 is convex in shape, and the sliding block 33 has a matching block 331 that matches the inclined groove 361 , so that the inclined groove 361 and the sliding block 33 always keep matching to prevent the inclined groove 361 and the sliding block 33 from being separated.

[0039] A first oil cylinder 300 is installed on the first fixed seat 30 . A driving end of the first oil cylinder 300 is connected to the sliding seat 36 . The first oil cylinder 300 drives the sliding seat 36 to move back and forth between the first position and the second position.

[0040] The first fixing seat 30 has a connecting surface for installing the fixing plate 31, and the connecting surface includes a first mounting surface 301 and a second mounting surface 302. The first mounting surface 301 and the second mounting surface 302 are set at an angle, and the first mounting surface 301 is located at the upper end of the second mounting surface 302. The fixing plate 31 is installed on the first mounting surface 301, and the angle between the first mounting surface 301 and the second mounting surface 302 is equal to the angle between the first end face 111 and the second end face 121. Therefore, when the first end face 111 and the top block 34 on the fixing plate 31 are in abutment with each other, the second end face 121 can be kept in a horizontal state, thereby improving the processing accuracy of the second end face 121.

[0041] The positioning fixture mechanism 3 also includes a clamping mechanism 32, and the clamping mechanism 32 includes a first connecting seat 321 and a second oil cylinder 35. The first connecting seat 321 is fixedly mounted on the first fixed seat 30, and the second oil cylinder 35 is installed in the first connecting seat 321. The second oil cylinder 35 is provided with a first driving rod 323, and the first driving rod 323 is hinged with a clamping jaw 325. The first connecting seat 321 is provided with a protrusion 322, and a connecting rod 324 is connected between the protrusion 322 and the middle part of the clamping jaw 325.

[0042] It should be noted that the number of the clamping jaws 32 is equal to the number of the top blocks 34 . In the present application, there are three of each of the clamping jaws 32 and the top blocks 34 , and the clamping jaws 32 and the top blocks 34 are matched one-to-one.

[0043] The clamping mechanism 4 includes two mutually symmetrical second fixed seats 41, and a third oil cylinder 42 is installed on each of the second fixed seats 41. It should be noted that the driving ends of the third oil cylinder 42 are arranged relatively to each other, and a second driving rod 43 is provided on the third oil cylinder 42. A clamping plate 44 is installed on the second driving rod 43, and the clamping plate 44 has a groove 45. The groove 45 is used to cooperate with the outer peripheral wall of the second connecting plate 12.

[0044] The first support member 5 includes a second connecting seat 51 and a support plate 52. The support plate 52 is arranged at the upper end of the second connecting seat 51. The second connecting seat 51 is fixedly installed on the upper end of the workbench 2. The support plate 52 has a support groove 53 that cooperates with the outer peripheral wall of the connecting tube, and the connecting tube abuts and cooperates with the support groove 53.

[0045] The second support member 6 includes a third connecting seat 61 and a fourth connecting seat 63, and the third connecting seat 61 and the fourth connecting seat 63 are fixedly installed on the upper end of the workbench 2. The third connecting seat 61 is installed with a first support rod 62, and the fourth connecting seat 63 is installed with a second support rod 64. The first support rod 62 abuts and cooperates with the first abutting portion 14, and the second support rod 64 abuts and cooperates with the second abutting portion 15, thereby realizing the function of supporting the connecting pipe through the abutment and cooperation between the first support rod 62 and the second support rod 64.

[0046] The telescopic push rod assembly 7 includes a fifth connecting seat 71, and the upper end of the fifth connecting seat 71 has an inclined surface 70, and a fourth oil cylinder 72 is installed on the inclined surface 70. The fourth oil cylinder 72 drives a push rod 73 to be installed, and the push rod 73 is used to abut and cooperate with the outer peripheral wall of the connecting pipe on one side close to the first connecting plate 11. The telescopic push rod assembly 7 in this application is three groups, so the connecting pipe is abutted and fixed by three push rods 73, and the line connecting the three abutting points forms a triangle, so that the stability of the exhaust pipe 1 during clamping can be improved, and the axis of the push rod 73 is set at an angle to the upper end surface of the workbench 2, so it can also improve the support of the exhaust pipe 1 during processing. It will generate a horizontal supporting force and a vertical supporting force, thereby further improving the support effect on the exhaust pipe 1.

[0047] The third support member 8 includes a connecting block 81, which is fixedly installed in the middle of the fifth connecting seat 71. The connecting block 81 is provided with an upwardly extending support column 82, which abuts against the bottom of the second connecting plate 12. The support column 82 can further improve the vertical support force of the exhaust pipe 1 during the processing process.

[0048] During specific use, first, the first connecting plate 11 is matched and connected with the top block 34 on the fixed plate 31, and then the through cavity 10 of the exhaust pipe 1 is sleeved to the outer periphery of the mounting platform 311, and then the connecting pipe of the exhaust pipe 1 is placed in the support groove 53, and the first abutting portion 14 is matched with the first support rod 62, and the second abutting portion 15 is matched with the second support rod 64, so as to realize the positioning of the connecting pipe, and the bottom of the second connecting plate 12 is supported by the first support rod 62 and the second support rod 64.

[0049] After the positioning is completed, the first oil cylinder 300 is started, and when the sliding seat 36 is driven to move from the first position to the second position, the sliding seat 36 pushes the sliding block 33 to slide along the axial direction of the through hole 310 to the side away from the sliding seat 36 through the inclined groove 361, so that the sliding block 33 is abutted and matched with the inner wall of the through cavity 10, thereby fixing the exhaust pipe 1, and then the second oil cylinder 35 is started, so that the first driving rod 323 is moved to the side away from the second oil cylinder 35, thereby driving the clamping claw 325 to swing, so that the end of the clamping claw 325 is abutted and matched with the first connecting plate 11, and the corresponding cooperation between the clamping claw 325 and the top block 34 is achieved, thereby clamping and fixing the first connecting plate 11, and further The third oil cylinder 42 is started, and the third oil cylinder 42 drives the clamping plate 44 to move to the side close to the second connecting plate 12, so that the groove 45 is abutted against the outer peripheral surface of the second connecting plate 12, thereby fixing the second connecting plate 12, and the fourth oil cylinder 72 is started and drives the end of the push rod 73 to abut against the outer peripheral surface of the connecting pipe, thereby further fixing the connecting pipe. Through the abutment and cooperation at multiple points, the exhaust pipe 1 is clamped and fixed, and the angle between the first end face 111 and the second end face 121 is equal to the angle between the first mounting surface 301 and the second mounting surface 302, so that it can be ensured that the second end face 121 is in a horizontal state during processing, so that the second end face 121 can be processed.

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

[0051] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust pipe positioning fixture, comprising a workbench (2), characterized in that: The workbench (2) is provided with a positioning fixture mechanism (3) for positioning and fixing the first end face (111), a clamping mechanism (4) for clamping the second connecting plate (12), a first support member (5), a second support member (6), a third support member (8) and a telescopic push rod assembly (7), wherein the first support member (5) is used to support the connecting pipe (13), the second support member (6) is in abutment and limiting engagement with the first abutting portion (14) and the second abutting portion (15), the third support member (8) is in abutment and engagement with the bottom of the second connecting plate (12), and the telescopic push rod assembly (7) is in abutment and engagement with an outer peripheral wall of the connecting pipe (13) on one side close to the first connecting plate (11).

2. The exhaust pipe positioning fixture according to claim 1, characterized in that: The positioning fixture mechanism (3) includes a first fixed seat (30), a fixed plate (31) and an inner support fixture, the fixed plate (31) is fixedly mounted on the first fixed seat (30), the inner support fixture is mounted in the first fixed seat (30), a mounting platform (311) is provided on the fixed plate (31), a sliding hole is provided in the mounting platform (311) and the fixed plate (31), the inner support fixture includes a sliding seat (36) that is slidably matched with the sliding hole, the sliding seat (36) has a plurality of circumferentially distributed inclined grooves (361), the inclined grooves (361) are provided with a sliding block (33) that abuts against the sliding block (33), the mounting platform (311) is provided with a through hole (310) that cooperates with the sliding block (33), and the sliding seat (36) reciprocates between a first position and a second position along the axial direction of the sliding hole; When the sliding seat (36) moves from the first position to the second position, the sliding seat (36) pushes the sliding block (33) to slide along the axis direction of the through hole (310) toward a side away from the sliding seat (36) through the inclined groove (361); When the sliding seat (36) moves from the second position to the first position, the sliding seat (36) drives the sliding block (33) to slide along the axis direction of the through hole (310) toward the side close to the sliding seat (36) through the inclined groove (361).

3. The exhaust pipe positioning fixture according to claim 2, characterized in that: A first oil cylinder (300) is mounted on the first fixed seat (30), a driving end of the first oil cylinder (300) is connected to the sliding seat (36), and the first oil cylinder (300) drives the sliding seat (36) to reciprocate between a first position and a second position.

4. The exhaust pipe positioning fixture according to claim 2, characterized in that: The positioning fixture mechanism (3) also includes a clamping mechanism (32), and the clamping mechanism (32) includes a first connecting seat (321) and a second oil cylinder (35). The first connecting seat (321) is fixedly mounted on the first fixing seat (30), and the second oil cylinder (35) is mounted in the first connecting seat (321). The second oil cylinder (35) is provided with a first driving rod (323), and the first driving rod (323) is hinged with a clamping jaw (325). The first connecting seat (321) is provided with a protrusion (322), and a connecting rod (324) is connected between the protrusion (322) and the middle part of the clamping jaw (325).

5. The exhaust pipe positioning fixture according to claim 2, characterized in that: A plurality of top blocks (34) are mounted on the fixing plate (31) and are in abutment with the first end surface (111) of the first connecting plate (11).

6. The exhaust pipe positioning fixture according to claim 5, characterized in that: The clamping mechanism (4) includes two mutually symmetrical second fixing seats (41), each of which is equipped with a third oil cylinder (42). It should be noted that the driving ends of the third oil cylinder (42) are arranged opposite to each other, and the third oil cylinder (42) is provided with a second driving rod (43). The second driving rod (43) is equipped with a clamping plate (44), and the clamping plate (44) has a groove (45). The groove (45) is used to cooperate with the outer peripheral wall of the second connecting plate (12).

7. The exhaust pipe positioning fixture according to claim 6, characterized in that: The first support member (5) comprises a second connecting seat (51) and a supporting plate (52), wherein the supporting plate (52) is arranged at the upper end of the second connecting seat (51), and the second connecting seat (51) is fixedly mounted on the upper end of the workbench (2), and the supporting plate (52) has a supporting groove (53) that matches the outer peripheral wall of the connecting tube (13), and the connecting tube (13) abuts against the supporting groove (53).

8. The exhaust pipe positioning fixture according to claim 2, characterized in that: The second support member (6) includes a third connecting seat (61) and a fourth connecting seat (63), the third connecting seat (61) and the fourth connecting seat (63) are fixedly mounted on the upper end of the workbench (2), a first support rod (62) is mounted on the third connecting seat (61), and a second support rod (64) is mounted on the fourth connecting seat (63), the first support rod (62) is in abutment with the first abutting portion (14), and the second support rod (64) is in abutment with the second abutting portion (15).

9. The exhaust pipe positioning fixture according to claim 8, characterized in that: The telescopic push rod assembly (7) includes a fifth connecting seat (71), the upper end of the fifth connecting seat (71) has an inclined surface (70), a fourth oil cylinder (72) is installed on the inclined surface (70), and a push rod (73) is driven and installed on the fourth oil cylinder (72), and the push rod (73) is used to abut and cooperate with the outer peripheral wall of the connecting pipe (13) on one side close to the first connecting plate (11).

10. The exhaust pipe positioning fixture according to claim 9, characterized in that: The third support member (8) comprises a connecting block (81), the connecting block (81) is fixedly mounted in the middle of the fifth connecting seat (71), and a supporting column (82) extending upward is provided on the connecting block (81).

Images