CN213712460U

CN213712460U - Post-processor noise test support

Info

Publication number: CN213712460U
Application number: CN202022838892.6U
Authority: CN
Inventors: 孟家帅; 牛雨飞; 朱海艳; 徐谦; 李江飞
Original assignee: Quanjiao Yili Environmental Protection Technology Co ltd; Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Current assignee: Quanjiao Yili Environmental Protection Technology Co ltd; Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-16
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a post-processor noise test bracket, which comprises a lower bracket and an upper bracket; a sliding hole is formed in the vertical first supporting rod of the lower support; the upper bracket comprises a vertical second supporting rod and a supporting part; the second support rod is inserted in the sliding hole of the first support rod; the two opposite sides of the supporting part are respectively provided with an inclined plate surface and a horizontal plate surface, the inclined plate surface is positioned on the inner side of the horizontal plate surface, the two opposite inclined plate surfaces form a V-shaped supporting structure, and the two opposite horizontal plate surfaces form a horizontal plate supporting structure. The utility model supports the post processor through the V-shaped supporting structure or the horizontal plate supporting structure of the upper bracket, and compresses tightly and positions through the baffles at the two sides, so that the post processor is not easy to be damaged and has high supporting reliability; the gasket is arranged between the supporting surface and the outer surface of the post-processor and can absorb forced vibration caused by high-speed operation of an engine as a vibration isolation structure, abnormal sound caused by friction between the post-processor and the supporting surface is avoided, and the precision of noise testing is ensured.

Description

Post-processor noise test support

Technical Field

The utility model belongs to the technical field of the experimental frock of post processor and specifically relates to a post processor noise test support.

Background

The post processor is usually independently carried to an engine rack by a commercial vehicle for noise test, the post processor is usually connected with the engine rack after being hoisted by a steel wire, and because the engine is in a high-speed running state and vibrates greatly in the test process, the post processor and the steel wire can continuously vibrate and rub to generate larger abnormal sound, so that the noise test precision is influenced, and along with the increase of test time and test times, the risk of steel wire breakage and post processor damage also exists, so that the reliability is lower; moreover, the installation method needs to prepare different installation schemes aiming at the post-processors with different shapes, and the replacement process is more complicated.

SUMMERY OF THE UTILITY MODEL

The applicant provides a post processor noise test support with a reasonable structure aiming at the defects that when the existing post processor is used for noise test, a steel wire is adopted to be hoisted and connected with an engine rack, vibration friction generates abnormal sound, the test precision is influenced, the reliability is low and the like.

The utility model discloses the technical scheme who adopts as follows:

a post-processor noise test bracket comprises a lower bracket and an upper bracket; a sliding hole is formed in the vertical first supporting rod of the lower support; the upper bracket comprises a vertical second supporting rod and a supporting part; the second support rod is inserted in the sliding hole of the first support rod; the two opposite sides of the supporting part are respectively provided with an inclined plate surface and a horizontal plate surface, the inclined plate surface is positioned on the inner side of the horizontal plate surface, the two opposite inclined plate surfaces form a V-shaped supporting structure, and the two opposite horizontal plate surfaces form a horizontal plate supporting structure; the horizontal plate surface is provided with a movable baffle.

As a further improvement of the above technical solution:

the top surface of supporting part is provided with the second liner, and the second liner corresponds inclined plane face and horizontal plane face symmetry and is equipped with inclined plane and horizontal plane, and the inclined plane is located inclined plane face, and the horizontal plane is located horizontal plane face.

The baffle is L-shaped and is provided with a vertical plate part and a horizontal plate part which are perpendicular to each other, a horizontal through hole and a vertical fourth mounting hole are formed in the horizontal plate part, and the through hole penetrates through the horizontal plane surface of the supporting part and the horizontal plane surface of the second gasket.

And a third liner is arranged on the inner side surface of the baffle vertical plate part.

A plurality of third mounting holes are formed in the horizontal plane surface of the supporting part, and a plurality of fifth mounting holes are correspondingly formed in the horizontal plane surface of the second gasket; and a fourth mounting hole is correspondingly formed in the transverse plate part of the baffle, and a second bolt is penetrated in the corresponding mounting hole position after the baffle is moved to the designated position.

The four circumferential surfaces of the lower end part of the first supporting rod respectively extend downwards in an inclined mode, the four supporting feet are supported on the base, and a first gasket is arranged on the bottom surface of each supporting foot.

The bar surface on two opposite sides of the first support bar is provided with a plurality of through first mounting holes; a plurality of second mounting holes are formed in the face of the second supporting rod and correspond to the first mounting holes of the first supporting rod, and first bolts penetrate through the mounting holes in the corresponding positions.

The first supporting rod is a hollow square rod, and the sliding hole is square; the second supporting rod is a square rod; the outer circumference contour dimension of the second supporting rod is matched with the inner circumference contour dimension of the sliding hole of the first supporting rod.

The supporting part is of an integrally formed sheet structure; the outer end parts of the horizontal plate surfaces on the two sides are provided with flanges.

The first gasket is a rubber elastic gasket; the second gasket and the third gasket are made of high-temperature-resistant vibration-isolating cotton.

The utility model has the advantages as follows:

the utility model supports the post processor through the V-shaped supporting structure or the horizontal plate supporting structure of the upper bracket, and compresses tightly and positions through the baffles at the two sides, so that the post processor is not easy to be damaged and has high supporting reliability; the gasket is arranged between the supporting surface and the outer surface of the post-processor and can absorb forced vibration caused by high-speed operation of an engine as a vibration isolation structure, abnormal sound caused by friction between the post-processor and the supporting surface is avoided, and the precision of noise testing is ensured. The upper bracket is provided with a V-shaped supporting structure and a horizontal plate supporting structure, one set of bracket can be suitable for various cylindrical post-processors or box-type post-processors with different shapes and specifications, the same mounting method is adopted, the bracket does not need to be replaced, and the post-processor is convenient, simple and quick to mount.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic structural view of the present invention applied to a supporting cylindrical post-processor.

Fig. 4 is a schematic structural view of the present invention applied to a supporting box type post-processor. .

In the figure: 1. a lower bracket; 11. a support leg; 12. a first support bar; 13. a first mounting hole; 14. a sliding hole; 2. an upper bracket; 21. a second support bar; 22. a support portion; 221. a ramp surface; 222. a horizontal plate surface; 223. flanging; 23. a second mounting hole; 24. a third mounting hole; 3. a baffle plate; 31. a vertical plate portion; 32. a lateral plate portion; 33. a through hole; 34. a fourth mounting hole; 4. a first liner; 5. a second liner; 51. a bevel; 52. a horizontal plane; 53. a fifth mounting hole; 6. a third gasket; 7. a first latch; 8. a second bolt; 9. and a post processor.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the present invention includes a lower frame 1 and an upper frame 2.

As shown in fig. 1 and 2, the lower bracket 1 comprises a lower leg 11 and an upper vertical first strut 12; the four circumferential surfaces of the lower end part of the first supporting rod 12 are respectively and obliquely extended downwards to form supporting legs 11, the four supporting legs 11 are supported on the base, the bottom surface of each supporting leg 11 is provided with a first gasket 4, the first gaskets 4 are rubber elastic gaskets and can provide certain elastic deformation to absorb forced vibration caused by high-speed running of an engine, abnormal sound caused by friction between the lower support 1 and the ground is avoided, and the precision of a noise test is ensured; the first strut 12 is a hollow square rod, the center of the first strut is provided with a square sliding hole 14, and the rod surfaces on two opposite sides are provided with a plurality of through first mounting holes 13 from top to bottom.

As shown in fig. 1 and 2, the upper bracket 2 includes a second strut 21 having a vertical lower portion and a support portion 22 having an upper portion. The second strut 21 is a square rod, the outline size of the outer periphery of the second strut is matched with the outline size of the inner periphery of the sliding hole 14 of the first strut 12, the face of the second strut 21, which corresponds to the first mounting hole 13 of the first strut 12, is provided with a plurality of through second mounting holes 23 from top to bottom, the second strut 21 is inserted into the sliding hole 14 of the first strut 12, the second mounting holes 23 of the second strut 21 correspond to the first mounting holes 13 of the first strut 12, and the mounting holes at the corresponding positions are fixed by penetrating through the first bolts 7; according to the height of the post-processor 9, the extension height of the second support rod 21 can be adjusted, and the first bolt 7 is arranged at the corresponding mounting hole position in a penetrating mode for fixing. The supporting portion 22 is an integrally formed plate structure, two opposite sides of the supporting portion are symmetrically provided with an inclined plate surface 221 and a horizontal plate surface 222, the inclined plate surface 221 is located at the inner side of the horizontal plate surface 222, the two opposite inclined plate surfaces 221 form a V-shaped supporting structure, and the two opposite horizontal plate surfaces 222 form a horizontal plate supporting structure; the outer end part of the horizontal plate surface 222 is provided with a flange 223 to prevent the baffle 3 from falling off from the horizontal plate surface 222; the top surface of the support portion 22 is provided with a second gasket 5, the second gasket 5 is symmetrically provided with an inclined surface 51 and a horizontal surface 52 corresponding to the inclined plate surface 221 and the horizontal plate surface 222, the inclined surface 51 is positioned on the inclined plate surface 221, and the horizontal surface 52 is positioned on the horizontal plate surface 222; the horizontal plate surfaces 222 on both sides of the supporting portion 22 are formed with a plurality of third mounting holes 24, and the horizontal surfaces 52 on both sides of the second gasket 5 are correspondingly formed with a plurality of fifth mounting holes 53. The horizontal plate surfaces 222 on two sides of the supporting part 22 are provided with L-shaped baffles 3, the baffles 3 are integrally formed and are provided with vertical plate parts 31 and horizontal plate parts 32 which are perpendicular to each other, the horizontal plate parts 32 are provided with horizontal through holes 33 and vertical fourth mounting holes 34, the through holes 33 penetrate through the horizontal plate surfaces 222 of the supporting part 22 and the horizontal surface 52 of the second gasket 5, the fourth mounting holes 34 correspond to the mounting holes on the horizontal plate surfaces 222 and the horizontal surface 52, the baffles 3 can move on the horizontal plate surfaces 222 and the horizontal surface 52 through the through holes 33, and after moving to a specified position, the second bolts 8 are penetrated through the corresponding mounting holes for fixing; the transverse plate part 32 is positioned on the outer side of the vertical plate part 31, which is far away from the V-shaped supporting structure, and the inner side surface of the vertical plate part 31, which faces the V-shaped supporting structure, is provided with a third liner 6; the second gasket 5 and the third gasket 6 are made of high-temperature-resistant vibration isolation cotton, so that forced vibration caused by high-speed operation of the engine can be absorbed, abnormal sound caused by friction between the postprocessor 9 and the surfaces of the supporting part 22 and the baffle 3 is avoided, and the precision of noise testing is ensured.

The utility model discloses can be used for supporting drum formula aftertreatment ware 9, also can be used for supporting box aftertreatment ware 9.

When the device is applied to supporting the cylindrical post-processor 9, as shown in fig. 3, the cylindrical post-processor 9 is placed in the V-shaped supporting structure of the upper bracket 2, two inclined plate surfaces 221 of the V-shaped supporting structure are supported on the outer peripheral surface of the lower side of the cylindrical post-processor 9, the positions of the baffles 3 on two sides are adjusted until the third liner 6 is tightly attached to the outer peripheral surfaces of two opposite sides of the cylindrical post-processor 9, and then the second bolt 8 is penetrated through the mounting hole at the corresponding position for fixing, so that the cylindrical post-processor 9 is positioned.

When the device is used for supporting the box-type postprocessor 9, as shown in fig. 4, the box-type postprocessor 9 is placed on the horizontal plate supporting structure of the upper bracket 2, two horizontal plate surfaces 222 of the horizontal plate supporting structure are supported on the bottom surface of the box-type postprocessor 9, the positions of the baffle plates 3 on two sides are adjusted until the third gaskets 6 are tightly attached to the side surfaces on two opposite sides of the box-type postprocessor 9, and then the second bolts 8 are penetrated through the mounting hole positions on the corresponding parts for fixing, so that the box-type postprocessor 9 is positioned.

The utility model supports the post processor 9 through the V-shaped supporting structure or the horizontal plate supporting structure of the upper bracket 2, and compresses tightly and positions through the baffle plates 3 at two sides, so that the post processor 9 is not easy to be damaged, and the supporting reliability is high; the gasket is arranged between the supporting surface and the outer surface of the post-processor 9 and can absorb forced vibration caused by high-speed running of an engine as a vibration isolation structure, abnormal sound caused by friction between the post-processor 9 and the supporting surface is avoided, and the precision of noise testing is ensured. The upper bracket 2 is provided with a V-shaped supporting structure and a horizontal plate supporting structure, one set of bracket can be suitable for various cylindrical post-processors 9 or box-type post-processors 9 with different shapes and specifications, the same mounting method is adopted, the bracket does not need to be replaced, and the post-processor 9 is convenient, simple and quick to mount.

The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims

1. The utility model provides a post processor noise test support which characterized in that: comprises a lower bracket (1) and an upper bracket (2);

a sliding hole (14) is formed in a vertical first supporting rod (12) of the lower bracket (1);

the upper bracket (2) comprises a vertical second support rod (21) and a supporting part (22); the second support rod (21) is inserted in the sliding hole (14) of the first support rod (12); two opposite sides of the supporting part (22) are respectively provided with an inclined plate surface (221) and a horizontal plate surface (222), the inclined plate surface (221) is positioned at the inner side of the horizontal plate surface (222), the two opposite inclined plate surfaces (221) form a V-shaped supporting structure, and the two opposite horizontal plate surfaces (222) form a horizontal plate supporting structure; the horizontal plate surface (222) is provided with a movable baffle (3).

2. The post-processor noise test stand of claim 1, wherein: the top surface of the supporting part (22) is provided with a second gasket (5), the second gasket (5) is symmetrically provided with an inclined plane (51) and a horizontal plane (52) corresponding to the inclined plane surface (221) and the horizontal plane surface (222), the inclined plane (51) is positioned on the inclined plane surface (221), and the horizontal plane (52) is positioned on the horizontal plane surface (222).

3. The post-processor noise test stand of claim 1, wherein: the baffle (3) is L-shaped and is provided with a vertical plate part (31) and a horizontal plate part (32) which are vertical to each other, a horizontal through hole (33) and a vertical fourth mounting hole (34) are formed in the horizontal plate part (32), and the through hole (33) penetrates through a horizontal plate surface (222) of the supporting part (22) and a horizontal surface (52) of the second gasket (5).

4. The post-processor noise test stand of claim 3, wherein: the inner side surface of the vertical plate part (31) of the baffle (3) is provided with a third gasket (6).

5. The post-processor noise test stand of claim 1, wherein: a plurality of third mounting holes (24) are formed in the horizontal plate surface (222) of the supporting part (22), and a plurality of fifth mounting holes (53) are correspondingly formed in the horizontal surface (52) of the second gasket (5); and a fourth mounting hole (34) is correspondingly formed in the transverse plate part (32) of the baffle (3), and a second bolt (8) penetrates through the corresponding mounting hole position after the baffle (3) moves to the designated position.

6. The post-processor noise test stand of claim 1, wherein: the four peripheral surfaces of the lower end part of the first supporting rod (12) are respectively and obliquely extended downwards to form supporting legs (11), the four supporting legs (11) are supported on the base, and the bottom surface of each supporting leg (11) is provided with a first gasket (4).

7. The post-processor noise test stand of claim 1, wherein: the bar surfaces on two opposite sides of the first support bar (12) are provided with a plurality of through first mounting holes (13); a plurality of second mounting holes (23) are formed in the face of the second support rod (21), the second mounting holes (23) correspond to the first mounting holes (13) of the first support rod (12), and first bolts (7) penetrate through the mounting holes in the corresponding positions.

8. The post-processor noise test stand of claim 1, wherein: the first supporting rod (12) is a hollow square rod, and the sliding hole (14) is square; the second supporting rod (21) is a square rod; the outer circumference contour dimension of the second support rod (21) is matched with the inner circumference contour dimension of the sliding hole (14) of the first support rod (12).

9. The post-processor noise test stand of claim 1, wherein: the supporting part (22) is of an integrally formed sheet structure; the outer end parts of the horizontal plate surfaces (222) on the two sides are provided with flanges (223).

10. The post-processor noise test stand of any one of claims 2, 4, and 7, wherein: the first gasket (4) is a rubber elastic pad; the second gasket (5) and the third gasket (6) are made of high-temperature-resistant vibration-isolating cotton.