CN210343474U

CN210343474U - Post-processor support and mounting structure thereof

Info

Publication number: CN210343474U
Application number: CN201921548495.6U
Authority: CN
Inventors: 苏赵琪; 牛雨飞; 朱海艳; 冯玉杰; 孙治书
Original assignee: Wuxi Yili Environmental Protection Technology Co Ltd
Current assignee: Wuxi Yili Environmental Protection Technology Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-04-17
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a post processor support, the bandage passes through the link, the backup pad is fixed on the frame, the stock member is worn to be equipped with at the top of link, the cover is equipped with first snubber block, second snubber block on the stock member, first snubber block is located the link top, the backup pad is located between first snubber block and the second snubber block, set up the fastener on the stock member of second snubber block top, the fastener is fixed back on the stock member, first snubber block, second snubber block are locked on the link. The utility model discloses a set up the snubber block between the fastening structure of backup pad and link, in the vibration transmission backup pad of frame, the backup pad transmits the support again through first snubber block and second snubber block, because the elastic action of first snubber block and second snubber block, can absorb most vibration in the backup pad, the vibration that transmits on the support only has very little partly, has reduced the vibration influence of support to the aftertreatment ware, has reduced the stress concentration between support and the aftertreatment ware.

Description

Post-processor support and mounting structure thereof

Technical Field

The utility model belongs to the technical field of automobile exhaust system's aftertreatment supports technique and specifically relates to an aftertreatment ware support and mounting structure thereof.

Background

The aftertreatment ware is automobile engine tail gas exhaust system's key component, and exhaust system's aftertreatment ware one end is passed through the pipeline and is connected with the engine, and the other end is equipped with the opening with the atmospheric environment intercommunication, and engine exhaust's tail gas passes through the pipeline and inputs the aftertreatment ware and carries out purification treatment, discharges the atmosphere after purifying, handling harmful substance in the tail gas in, avoids automobile exhaust to directly discharge in the atmosphere and cause the pollution to the air.

The existing post-processor support mounting structure is shown in fig. 1, a plurality of support plates 2 are fixed on a frame 1, a circular ring-shaped binding band 5 is arranged on the periphery of a post-processor 4 along the circumferential direction, two open ends of the binding band 5 are respectively and correspondingly turned up to form an upper turned edge 6 and a lower turned edge 7, as shown in fig. 2, the outer end of the upper turned edge 6 bends downwards to form a limiting edge 8, the upper turned edge 6 and the lower turned edge 7 are fixed by screwing bolts, as shown in fig. 1, a connecting frame 3 is welded on the upper portion of the binding band 5, and the connecting frame 3 is fixed on the support plates 2 by screwing bolts. Such an aftertreatment support has the following problems: (1) rigid connection is respectively arranged between the connecting frame 3 and the supporting plate 2 and between the supporting plate 2 and the vehicle frame 1, and the vibration generated by the vehicle frame 1 can be directly transmitted to the postprocessor 4 in the advancing process of the whole vehicle. One end of the postprocessor 4 is connected to the engine, and vibration generated in the operation process of the engine is also transmitted to the postprocessor 4 through a pipeline, so that the postprocessor 4 receives vibration from two different vibration sources of the frame 1 and the engine. The vibration frequency and the amplitude of the engine and the frame 1 are different generally, when the vibration frequency of the engine, the amplitude and the vibration frequency of the frame 1 are larger, and the difference value between the amplitudes is larger, stronger stress concentration can be generated between the post-processor 4 and the connecting frame 3, the barrel of the post-processor 4 is easy to bend, after the post-processor 4 bends, the inlet of a pipeline connected with the engine can be affected by larger bending moment, the clamp connecting structure is easy to separate, the flange bolt tightening structure can cause the inlet pipe of the post-processor 4 to break, a tail gas leakage opening is formed, tail gas exhausted by the engine can be directly exhausted into the atmosphere from the leakage opening, and the air is polluted. If the stress concentration is too large, the post-processor 4 or the connecting frame 3 can be damaged or broken, and the damaged or broken barrel of the post-processor 4 or the broken connecting frame 3 can possibly damage other parts in the engine or the whole vehicle along with the irregular whipping of high-temperature tail gas in the running of the whole vehicle, so that the safety of the engine and the whole vehicle is influenced, and even accidents can be caused in severe cases. (2) Go up 6 outer ends of turn-ups and bend down and form spacing limit 8, spacing limit 8 lower terminal surface and turn-ups 7 up end between the space less down, the regulation surplus of bolt tightening is less, when bandage 5 processing error is great or aftertreatment ware 4 has appeared warping, aftertreatment ware 4 has not been held tightly fixedly thoroughly possibly to appear, spacing limit 8 lower terminal surface just pushed up down on the up end of turn-ups 7, the bolt can't continue to twist, lead to acting on the fastening force on aftertreatment ware 4 not enough, make aftertreatment ware 4 fixed firm inadequately, appear not hard up the condition easily, fastening effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the problems that rigid connection is formed between the support and the support plate and between the support plate and the frame of the existing postprocessor support, and the postprocessor and the support are easy to bend, damage or even break in the whole vehicle advancing process; the support fastening effect is relatively poor, the post-processor support reasonable in structure is provided, the support and the supporting plate are flexibly connected, the phenomena that the post-processor and the support are bent, damaged or even broken are avoided, and the support fastening effect is good.

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

the utility model provides a post processor support, the bandage passes through the link, the backup pad is fixed on the frame, the stock member is worn to be equipped with at the top of link, the cover is equipped with first snubber block, second snubber block on the stock member, first snubber block is located the link top, the backup pad is located between first snubber block and the second snubber block, set up the fastener on the stock member of second snubber block top, the fastener is fixed on the stock member after, first snubber block, second snubber block are locked on the link.

As a further improvement of the above technical solution:

the longitudinal section of the first damping block is inverted T-shaped, the lower cylindrical part of the first damping block is positioned between the connecting frame and the supporting plate, and the second damping block is sleeved outside the upper cylindrical part of the first damping block and positioned above the supporting plate.

The utility model discloses a first snubber block and second snubber block are the elastic component, first snubber block is located the link top, the backup pad is located between first snubber block and the second snubber block, set up the fastener on the member bar of second snubber block top, the fastener is fixed back on the member bar, first snubber block, the second snubber block is locked on the link, set up the snubber block between the fastening structure of backup pad and link promptly, when the vibration transmission of frame arrives the backup pad, the backup pad is retransmitted to the support through first snubber block and second snubber block, because the elastic action of first snubber block and second snubber block, can absorb most of the vibration in the backup pad, the vibration that transmits to the support only has very little part, the vibration influence of support to the post processor has been reduced, stress concentration between support and the post processor has been reduced, avoid the post processor, the support takes place crooked, The bracket is damaged or even broken, and the integral reliability of the bracket is ensured.

A bushing is nested between the first damping block and the long rod piece; the height of the bushing is less than the height of the first snubber block.

The utility model discloses a bushing cover is established between first bolt and first snubber block, guarantees the longitudinal rigidity of first snubber block, and the height that highly is less than first snubber block of bush still has certain elasticity when screwing up first bolt after, can guarantee that first snubber block has certain compression capacity.

The upper end face of the second damper block is flush with the upper end face of the upper cylindrical portion of the first damper block.

The bandage is opening ring shape, and the both ends of opening part are outwards upset respectively and are formed upset portion and lower upset portion, and the horizontal pole portion of cutting ferrule is installed in last upset portion, and the second bolt passes the centre bore of cutting ferrule, and the head of second bolt is located upset portion down, and the second nut is twisted in the screw rod portion of second bolt.

An upper groove and a lower groove are formed in the outer end parts of the upper overturning part and the lower overturning part along the width direction of the binding band; the horizontal rod part of the cutting sleeve is matched with the upper turning groove in the upper turning part and can rotate around the upper turning groove, and the outer diameter of the vertical rod part of the cutting sleeve is smaller than the width of the upper groove and can rotate in the upper groove; the head of the second bolt is matched with the lower groove in the lower turning part and can rotate around the lower groove, and the outer diameter of the screw rod part is smaller than the width of the lower groove and can rotate in the lower groove.

The utility model discloses an go up flip portion and do not have limit structure down between the flip portion, leave great interval between the two, use the longer second bolt of screw rod portion, the screw rod portion has great regulation space, it is great to adjust the surplus, even the aftertreatment ware appears warping or the bandage has certain machining error, if need fix the aftertreatment ware of great size, the bandage has certain toughness and can suitably open, go up the open distance grow between flip portion and the lower flip portion, the second nut can be twisted in the position of the nearly outer tip of screw rod portion, if the aftertreatment ware size is less, the second nut can twist several rings more, screw up the aftertreatment ware periphery until the bandage, ensure sufficient fastening force, the aftertreatment ware is fixed firm, fastening effect is good.

The upper end part of the vertical rod part of the clamping sleeve is sleeved with a small sleeve, and the upper end surface of the small sleeve is in contact with the lower end surface of the second nut.

The utility model discloses a lower terminal surface contact of telescopic up end of little and second nut, the area of little sleeve up end is great, when screwing up the second nut, and little telescopic up end is directly used to fastening force, and on the vertical pole portion of cutting ferrule was used to the rethread small sleeve, the distribution area of fastening force had been enlarged, reduced the stress concentration of fastening force to vertical pole portion, avoided vertical pole portion to be damaged.

The first damping block and the second damping block are rubber blocks or metal wire damping blocks; the bandage is stainless steel.

The utility model provides an adopt post processor support to carry out the mounting structure who installs post processor, the post processor is installed on the bandage, and the backup pad is including horizontal part and vertical portion, and the horizontal part is fixed on the link, and vertical portion passes through the fastener to be fixed on the frame.

As a further improvement of the above technical solution:

a plurality of supporting plates are fixed on the frame, and each supporting plate is fixed with a connecting frame.

The utility model has the advantages as follows:

the utility model discloses a first snubber block and second snubber block are elastic component, first snubber block is located the link top, the backup pad is located between first snubber block and the second snubber block, set up the fastener on the member bar of second snubber block top, the fastener is fixed on the member bar after, first snubber block, the second snubber block is locked on the link, be flexible contact between the fastening structure of backup pad and link promptly, vibration transmission when the frame arrives the backup pad, the backup pad passes through first snubber block and second snubber block and transmits again on the support, because the elastic action of first snubber block and second snubber block, can absorb most of the vibration in the backup pad, the vibration that transmits on the support only has very little part, the vibration influence of support to the post processor has been reduced, stress concentration between support and the post processor has been reduced, avoid post processor, The support is bent, damaged or even broken, and the overall reliability of the support is ensured.

Drawings

Fig. 1 is a schematic view of a mounting structure of a conventional aftertreatment support.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of the installation structure of the present invention.

Fig. 4 is an exploded view of the present invention.

Fig. 5 is a sectional view of the mounting structure of the present invention.

Fig. 6 is a sectional view taken along line B-B in fig. 5.

Fig. 7 is an enlarged view of a portion C in fig. 5.

In the figure: 1. a frame; 2. a support plate; 3. a connecting frame; 4. A post-processor; 5. binding bands; 6. upward flanging; 7. downward flanging; 8. a limiting edge; 10. a first bolt; 11. a first damper block; 12. a second damper block; 13. a gasket; 14. a first nut; 15. a second nut; 16. a card sleeve; 17. a second bolt; 18. an upper turnover part; 19. a lower turnover part; 20. an upper groove; 21. an upper rotary groove; 22. a lower groove; 23. a lower rotary trough; 24. a crossbar portion; 25. a vertical rod part; 26. a screw section; 27. a head portion; 28. a small sleeve; 29. a bushing; 30. a horizontal portion; 31. a vertical portion.

Detailed Description

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

As shown in fig. 3, two support plates 2 are fixed on the frame 1 of the present invention, as shown in fig. 5, each support plate 2 is L-shaped, and includes a horizontal portion 30 and a vertical portion 31, the vertical portion 31 is fixed on the frame 1 through a fastener, a circular binding band 5 is sleeved on the periphery of the post-processor 4 in the circumferential direction, and a connecting frame 3 with a cross section shaped like a Chinese character ji is welded above the binding band 5; the support plate 2 is fixedly connected with the connecting frame 3 so as to fix the post processor 4 on the frame 1, and one end of the post processor 4 is connected with an engine (not shown in the figure) through a pipeline.

As shown in fig. 4, the binding band 5 has an opening, and two end portions of the opening are folded outwards by 180 degrees and then welded and fixed on the outer surface of the binding band 5 to form an upper turning portion 18 and a lower turning portion 19, and the upper turning portion 18 and the lower turning portion 19 are spaced by a certain distance; the upper turning part 18 and the lower turning part 19 are respectively turned to form an upper turning groove 21 and a lower turning groove 23 with the sections in the shapes of water drops, and the arc parts of the water drops face the opening; the outer ends of the upper and

lower turning parts

18 and 19 facing the opening are provided with an upper groove 20 and a lower groove 22 at the middle part in the width direction of the binding band 5. As shown in fig. 5 and 6, the T-shaped cutting sleeve 16 is installed in the upper turning part 18, the outer diameter of the cross rod part 24 of the cutting sleeve 16 matches with the circular arc shape of the upper turning groove 21 and can rotate around the circular arc shape, and the outer diameter of the vertical rod part 25 is smaller than the width of the upper groove 20 and can rotate in the upper groove 20; as shown in fig. 4, the upper part of the T-shaped second bolt 17 is a screw part 26, the lower part thereof is a head part 27, and the cross section of the head part 27 is circular arc, as shown in fig. 6, the screw part 26 of the second bolt 17 passes through the ferrule 16, the head part 27 is arranged in the lower turning part 19, and the outer end part of the screw part 26 is screwed by the second nut 15; the circular arc shape of the head part 27 is matched with the circular arc shape of the lower groove 23, the head part 27 can rotate around the circular arc shape of the lower groove 23, and the outer diameter of the screw part 26 is smaller than the width of the lower groove 22 and can rotate in the lower groove 22. Because there is no limit structure between the upper turnover part 18 and the lower turnover part 19, a larger distance is left between the upper turnover part 18 and the lower turnover part 19, the second bolt 17 with a longer screw part 26 is used, the screw part 26 has a larger adjusting space, the adjusting margin is larger, even if the post-processor 4 is deformed or the binding belt 5 has a certain processing error, if the post-processor 4 with a larger size needs to be fixed, the binding belt 5 has certain toughness and can be properly opened, the opening distance between the upper turnover part 18 and the lower turnover part 19 is larger, the second nut 15 can be screwed at the position of the screw part 26 close to the outer end part, if the post-processor 4 has a smaller size, the second nut 15 can be screwed for a plurality of turns until the binding belt 5 is screwed at the periphery of the post-processor 4, so as to ensure sufficient fastening force, the post-processor 4 is firmly fixed, and the fastening effect. Still the cover is equipped with the little sleeve 28 that longitudinal section is approximate inverted U-shaped outside the montant portion 25 upper end of cutting ferrule 16, the up end of little sleeve 28 and the lower terminal surface contact of second nut 15, the area of little sleeve 28 up end is great, when screwing up second nut 15, the up end of little sleeve 28 is directly used to fastening force, on the montant portion 25 of cutting ferrule 16 is used to rethread little sleeve 28, the distribution area of fastening force has been enlarged, reduce the stress concentration of fastening force to montant portion 25, avoid montant portion 25 to be damaged.

As shown in fig. 4 and 5, two first bolts 10 are fixed to the top of the connecting frame 3 in a shape like a Chinese character ji from bottom to top by welding, a first damping block 11 with an inverted T-shaped longitudinal section is sleeved on each first bolt 10, and a step surface is formed between an upper cylindrical portion and a lower cylindrical portion of the T shape; as shown in fig. 5 and 7, the upper cylindrical portion of the first damper block 11 passes through the horizontal portion 30 of the support plate 2, and the lower end surface of the horizontal portion 30 contacts the step surface of the first damper block 11; a cylindrical second damping block 12 is sleeved on the periphery of the upper cylindrical part of the first damping block 11 and above the horizontal part 30 of the support plate 2, the upper end face of the second damping block 12 is flush with the upper end face of the upper cylindrical part of the first damping block 11, and a gasket 13 and a first nut 14 are sequentially arranged above the flush upper end face; the first nut 14 is tightened, and the horizontal portion 30 of the support plate 2 is pressed against the step surface of the first damper block 11 by the second damper block 12 while the first damper block 11 is pressed against the connection frame 3 by the washer 13. The first damping block 11 and the second damping block 12 are elastic members, the first damping block 11 is located between the support plate 2 and the connecting frame 3, the second damping block 12 is located between the support plate 2 and the first nut 14, namely, the damping blocks are arranged between the support plate 2 and the fastening structure of the connecting frame 3, when the vibration of the frame 1 is transmitted to the support plate 2, the support plate 2 is transmitted to the connecting frame 3 and the binding band 5 through the first damping block 11 and the second damping block 12, due to the elastic action of the first damping block 11 and the second damping block 12, most of the vibration on the support plate 2 can be absorbed, the vibration transmitted to the connecting frame 3 and the binding band 5 is only a small part, the vibration influence of the connecting frame 3 and the binding band 5 on the postprocessor 4 is reduced, the stress concentration between the connecting frame 3 and the postprocessor 4 is reduced, and the postprocessor 4, the connecting frame 3 and the binding band 5 are prevented from being bent, The bracket is damaged or even broken, and the integral reliability of the bracket is ensured.

As shown in fig. 7, a metal bushing 29 is nested between the first bolt 10 and the first damper block 11, the bushing 29 can ensure the longitudinal rigidity of the first damper block 11, the height of the bushing 29 is smaller than the height of the first damper block 11, and after the first bolt 10 is tightened, the first damper block 11 can be ensured to have a certain compression amount and a certain elasticity.

The bandage 5 can be made of stainless steel, and has the advantages of high temperature resistance, corrosion resistance, good processing performance and high tensile strength. The first damper block 11 and the second damper block 12 are rubber blocks or metal wire damper blocks.

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. For example, the strap 5 may be fixed to the link frame 3 by a fastener. According to the actual size of the connecting frame 3, a plurality of first bolts 10 can be fixed, and each first bolt 10 is provided with a first damping block 11 and a second damping block 12. The top of the connecting frame 3 is also provided with a long rod piece with two external threads at two ends in a penetrating way, and the threads at the two ends are respectively locked by nuts; or the top of the connecting frame 3 is penetrated with a pin shaft and locked by a corresponding locking piece. The binding band 5 can also be symmetrically provided with two pairs of upper turning parts 18 and lower turning parts 19, the two pairs of upper turning parts 18 and lower turning parts 19 are fixed by using the clamping sleeves 16 and the second bolts 17, and the purpose that the binding band 5 has larger adjustment amount can also be realized. The second damping block 12 may not be sleeved on the first damping block 11, but directly sleeved on the first bolt 10, and the support plate 2 is disposed between the first damping block 11 and the second damping block 12.

Claims

1. The utility model provides an aftertreatment ware support, bandage (5) are fixed on frame (1) through link (3), backup pad (2), its characterized in that: long rod piece is worn to be equipped with at the top of link (3), the cover is equipped with first snubber block (11) on the long rod piece, second snubber block (12), first snubber block (11) are located link (3) top, backup pad (2) are located between first snubber block (11) and second snubber block (12), set up the fastener on the long rod piece of second snubber block (12) top, the fastener is fixed on long rod piece back, first snubber block (11), second snubber block (12) are locked on link (3).

2. The aftertreatment support of claim 1, wherein: the longitudinal section of the first damping block (11) is inverted T-shaped, the lower cylindrical part of the first damping block (11) is positioned between the connecting frame (3) and the supporting plate (2), and the second damping block (12) is sleeved outside the upper cylindrical part of the first damping block (11) and is positioned above the supporting plate (2).

3. The aftertreatment support of claim 1, wherein: a bushing (29) is nested between the first damping block (11) and the long rod piece; the height of the bushing (29) is smaller than the height of the first damper block (11).

4. The aftertreatment support of claim 1, wherein: the upper end surface of the second damper block (12) is flush with the upper end surface of the upper cylindrical portion of the first damper block (11).

5. The aftertreatment support of claim 1, wherein: the binding band (5) is in an open circular ring shape, two end parts of the opening are respectively turned outwards to form an upper turning part (18) and a lower turning part (19), a cross rod part (24) of the clamping sleeve (16) is arranged in the upper turning part (18), the second bolt (17) penetrates through a center hole of the clamping sleeve (16), the head part (27) of the second bolt (17) is located in the lower turning part (19), and the second nut (15) is screwed on a screw rod part (26) of the second bolt (17).

6. The aftertreatment support of claim 5, wherein: the outer ends of the upper turning part (18) and the lower turning part (19) are provided with an upper groove (20) and a lower groove (22) along the width direction of the binding band (5); the cross rod part (24) of the cutting sleeve (16) is matched with the upper rotary groove (21) in the upper turning part (18) and can rotate around the upper rotary groove (21), and the outer diameter of the vertical rod part (25) of the cutting sleeve (16) is smaller than the width of the upper groove (20) and can rotate in the upper groove (20); the head (27) of the second bolt (17) is matched with the lower rotary groove (23) in the lower turning part (19) and can rotate around the lower rotary groove (23), and the outer diameter of the screw rod part (26) is smaller than the width of the lower groove (22) and can rotate in the lower groove (22).

7. The aftertreatment support of claim 5, wherein: the upper end part of the vertical rod part (25) of the clamping sleeve (16) is sleeved with a small sleeve (28), and the upper end face of the small sleeve (28) is in contact with the lower end face of the second nut (15).

8. The aftertreatment support of claim 1, wherein: the first damping block (11) and the second damping block (12) are rubber blocks or metal wire damping blocks; the binding band (5) is made of stainless steel.

9. A mounting structure for mounting an aftertreatment device using the aftertreatment support frame of claim 1, wherein: the post processor (4) is arranged on the binding band (5), the supporting plate (2) comprises a horizontal part (30) and a vertical part (31), the horizontal part (30) is fixed on the connecting frame (3), and the vertical part (31) is fixed on the frame (1) through a fastening piece.

10. The mounting structure according to claim 9, wherein: a plurality of supporting plates (2) are fixed on the frame (1), and a connecting frame (3) is fixed on each supporting plate (2).