CN203742840U - EGR cooler assembly - Google Patents
EGR cooler assembly Download PDFInfo
- Publication number
- CN203742840U CN203742840U CN201420059056.XU CN201420059056U CN203742840U CN 203742840 U CN203742840 U CN 203742840U CN 201420059056 U CN201420059056 U CN 201420059056U CN 203742840 U CN203742840 U CN 203742840U
- Authority
- CN
- China
- Prior art keywords
- cooler
- exhaust gas
- recycled exhaust
- egr cooler
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000000078 claw Anatomy 0.000 claims description 8
- 208000020442 loss of weight Diseases 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 241000935974 Paralichthys dentatus Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model discloses an EGR cooler assembly. The EGR cooler assembly comprises an EGR cooler and an EGR cooler support. The EGR cooler support comprises a base and vertical plates. The base supports the EGR cooler. The tops of the vertical plates and the front side portion of the base are connected with clamp straps respectively, wherein the clamp straps are used for fastening the EGR cooler onto the EGR cooler support. The upper ends of the clamp straps are hinged to the tops of the vertical plates. The lower ends of the clamp straps are provided with penetration slotted holes. Fasteners are arranged in the penetration slotted holes in a penetrating mode. The upper ends of the fasteners are provided with limiting blocks, wherein the diameter of each limiting block is larger than that of each penetration slotted hole. The lower sections of the fasteners are provided with external threads. The base is provided with fixing holes. The lower ends of the fasteners penetrate through the fixing holes, and then nuts are arranged on the fasteners in a screwed mode, so that the EGR cooler is fixed to the EGR cooler support. The contact positions between the EGR cooler and the base, between the EGR cooler and the vertical plates and between the EGR cooler and the clamp straps are provided with rubber pads. Through the EGR cooler assembly, fine adjustment of the positions of the EGR cooler and the EGR cooler support is achieved, errors generated in the manufacturing and assembling process are made up, it is guaranteed that the installation tightness degree of the EGR cooler can have a tensioning effect, and the EGR cooler is prevented from being assembled too loose or too tight.
Description
Technical field
The utility model relates to a kind of cooler for recycled exhaust gas assembly.
Background technique
Existing cooler for recycled exhaust gas assembly is normally integrated cooler for recycled exhaust gas and support welding by welding manner, then by bolts assemblies to diesel engine.It has following shortcoming: welding manner easily causes very likely producing weld defects between cooler for recycled exhaust gas support and cooler for recycled exhaust gas, easily produces stress simultaneously and concentrates; After welding, cooler for recycled exhaust gas support and cooler for recycled exhaust gas position fix, and cannot carry out position adjustment, easily produce erection stress in installation process; Be difficult to ensure the positional accuracy of bolt mounting holes.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of cooler for recycled exhaust gas assembly.
For solving the problems of the technologies described above, the utility model comprises cooler for recycled exhaust gas and cooler for recycled exhaust gas support, it is characterized in that the riser that described cooler for recycled exhaust gas support is stretched on comprising base and being connected with base rear sides, described base support cooler for recycled exhaust gas, riser top and base front side portion are connected with respectively cooler for recycled exhaust gas are fastened on to the shell ring on cooler for recycled exhaust gas support, the top of described shell ring upper end and riser is hinged, described shell ring lower end is provided with and installs slotted eye, described installing is equipped with fastening piece in slotted eye, the upper end of described fastening piece is provided with external diameter and is greater than the limiting stopper that installs slotted eye, the hypomere of described fastening piece is provided with outside thread, on described base, corresponding fastening piece is provided with fixed hole, thereby fastening piece lower end is fixed on cooler for recycled exhaust gas on cooler for recycled exhaust gas support through spiral shell loading nut after fixed hole, described cooler for recycled exhaust gas is being provided with cushion pad with base, riser, shell ring contacting point.
The front side portion of described base is provided with and clamps hole, clamp and in hole, be provided with latch, the described uncovered latch that makes of front side portion that clamps hole can pack into and clamp hole from front side portion, described latch is vertically provided with the fixed hole coordinating with fastening piece, the both sides of described latch bottom are respectively equipped with the claw of stretching, and the corresponding claw of described base end face is provided with draw-in groove.
Thereby the two ends of described shell ring fold respectively and its end are fixedly connected with body at the two ends of shell ring and form perforating, and described shell ring lower end is provided with and installs slotted eye on the shell ring body that is positioned at perforating place.
The top of described riser is provided with hinged ear seat, thus by the perforating in shell ring upper end portion and hinged ear seat, wear bearing pin and in the pin-and-hole of end part of pin shaft plug-in mounting lock pin by hinged to riser and shell ring.
Described cushion pad is rubber pad, and described cushion pad is strip, its be only arranged on cooler for recycled exhaust gas and shell ring joint cooler for recycled exhaust gas week upwards, the width of described cushion pad is greater than the width of shell ring.
Described riser is two, and its rear side at base is symmetrical arranged, and shell ring and cushion pad also correspondence arrange two.
Described fastening piece is T-shaped bolt.
The height of described riser is less than the height of cooler for recycled exhaust gas.
Described riser is provided with loss of weight through hole.
The bottom of described base is provided with multiple bolts hole that arrange along base fore-and-aft direction.
Adopt after said structure, the utility model has been cancelled welding connecting mode in the past, stop various weld defectss and welding stress concentration problem, in using process, pass through to control the screw-down torque of T-shaped bolt upper cap nut, just can realize the fine setting of cooler for recycled exhaust gas and cooler for recycled exhaust gas supporting position, make up and manufacture and assemble the error producing, ensure that the tightness that cooler for recycled exhaust gas is installed plays tension effects, avoid cooler for recycled exhaust gas to assemble pine or tension, cooler for recycled exhaust gas does not directly contact with cooler for recycled exhaust gas support simultaneously, by cushion pad, both are separated, prevent that motor from transferring vibrations on cooler for recycled exhaust gas, improve the reliability of cooler for recycled exhaust gas.
Brief description of the drawings
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the linkage structure schematic diagram of fastening piece and shell ring;
Fig. 5 is the structural representation of cooler for recycled exhaust gas support;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is the right elevation of Fig. 5;
Fig. 8 is the perspective view of cooler for recycled exhaust gas support.
Embodiment
As shown in Figures 1 to 8, cooler for recycled exhaust gas assembly comprises cooler for recycled exhaust gas 1 and cooler for recycled exhaust gas support 2, and cooler for recycled exhaust gas 1 left end is provided with suction port 11, and right-hand member is provided with air outlet 12, and the bottom of left end is provided with intake pipe 13, and the bottom of right-hand member is provided with outlet pipe 14.Cooler for recycled exhaust gas support 2 comprises base 21, the length of base 21 is slightly less than the length of cooler for recycled exhaust gas 1 flat segments, the upper surface of base 21 is horizontal plane, the bottom of base 21 is provided with multiple bolts hole 27 that arrange along base 21 fore-and-aft directions, and base 21 rear sides are connected with the riser 22 of stretching, and riser 22 is two, its rear side at base 21 is symmetrical arranged, the top of each riser 22 is provided with hinged ear seat 23, and for reducing weight of the present utility model, riser 22 is provided with loss of weight through hole 24.
Base 21 support coolers for recycled exhaust gas 1, riser 22 tops and base 21 front side portions are connected with respectively cooler for recycled exhaust gas 1 are fastened on to the shell ring 3 on cooler for recycled exhaust gas support 2, thereby the two ends of shell ring 3 are folding and its end is fixedly connected with body at the two ends of shell ring 3 and forms perforating 31 respectively, thus shell ring 3 upper ends by the perforating 31 in shell ring 3 upper end portions and hinged ear seat 23, wear bearing pin 8 and in the pin-and-hole of bearing pin 8 ends plug-in mounting lock pin 9 by hinged to riser 22 and shell ring 3.Shell ring 3 lower ends are provided with and install slotted eye on shell ring 3 bodies that are positioned at perforating 31 places, install and in slotted eye, be equipped with fastening piece 5, install the diameter that slotted eye is greater than fastening piece 5, fastening piece 5 can be rotated in several angle, the upper end of fastening piece 5 is provided with external diameter and is greater than the limiting stopper that installs slotted eye, the hypomere of fastening piece 5 is provided with outside thread, and in the present embodiment, fastening piece 5 is T-shaped bolt.
On base 21, corresponding fastening piece 5 is provided with fixed hole, thereby fastening piece 5 lower ends are fixed on cooler for recycled exhaust gas 1 on cooler for recycled exhaust gas support 2 through spiral shell loading nut 7 after fixed hole.Convenience, the flexibility of installing for improving the utility model, fastening piece 5 is preferably following structure with the linkage structure of base 21: the front side portion of base 21 is provided with and clamps hole 25, clamp and in hole 25, be provided with latch 6, the uncovered latch 6 that makes of front side portion that clamps hole 25 can pack into and clamp hole 25 from front side portion, the cross section that clamps hole 25 is U-shaped, the latch 6 therein heart is vertically provided with the fixed hole coordinating with fastening piece 5, the both sides of latch 6 bottoms are respectively equipped with the claw 61 of stretching, and the corresponding claw 61 in base 21 bottom surfaces is provided with draw-in groove 26.In the present embodiment, latch 6 is anchor shape, and claw 61 is similar to anchor fluke, in the time being connected with base 21, can better realize engagement effect.
For preventing that motor from transferring vibrations on cooler for recycled exhaust gas 1, improve the reliability of cooler for recycled exhaust gas 1, cooler for recycled exhaust gas is being provided with cushion pad 4 with base 21, riser 22, shell ring 3 contacting points.In the present embodiment, cushion pad 4 is rubber pad, and rubber pad is strip, and when use, rubber pad is bent into C type, and its week that is only arranged on cooler for recycled exhaust gas 1 and the cooler for recycled exhaust gas of shell ring 3 joints, upwards the width of rubber pad was greater than the width of shell ring 3.For improving the fastening effect of shell ring 3, the height of riser 22 is less than the height of cooler for recycled exhaust gas 1, makes shell ring 3 curved under upper end portion, can carry out fastening to cooler for recycled exhaust gas 1 better.
Assemble sequence of the present utility model is: two shell ring 3 upper ends are fixed on two hinged ear seats 23 of riser 22 with bearing pin 8 respectively, and shell ring 3 can freely rotate around bearing pin 8; Lock pin 9 is inserted in bearing pin 8, bearing pin 8 is pinned, prevent that bearing pin 8 from moving cooler for recycled exhaust gas support 2 vertically; Two slat gum pads are padded respectively to cooler for recycled exhaust gas support 2 to be arranged on the position of riser 22; Cooler for recycled exhaust gas 1 is placed on rubber pad; T-shaped bolt is penetrated to the fixed hole of latch 6, latch 6 is packed into and clamps hole 25, claw 61 snaps in draw-in groove 26; Nut 7 is assembled to the lower end of T-shaped bolt, locking block is pressed on to the bottom of base 21, control moment is tightened; By the assembly assembling by bolts assemblies to motor.
The utility model has been cancelled welding connecting mode in the past, stop various weld defectss and welding stress concentration problem, in using process, pass through to control the screw-down torque of T-shaped bolt upper cap nut 7, just can realize the fine setting of cooler for recycled exhaust gas 1 and cooler for recycled exhaust gas support 2 positions, make up and manufacture and assemble the error producing, ensure that the tightness that cooler for recycled exhaust gas is installed plays tension effects, avoid cooler for recycled exhaust gas 1 to assemble pine or tension, cooler for recycled exhaust gas does not directly contact with cooler for recycled exhaust gas support 2 simultaneously, by rubber pad, both are separated, prevent that motor from transferring vibrations on cooler for recycled exhaust gas 1, improve the reliability of cooler for recycled exhaust gas 1.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement.In every case within inventive concept scope of the present utility model, any amendment of making, be equal to replacement, improvement etc., within being all included in protection domain of the present utility model.
Claims (10)
1. a cooler for recycled exhaust gas assembly, comprise cooler for recycled exhaust gas and cooler for recycled exhaust gas support, it is characterized in that the riser that described cooler for recycled exhaust gas support is stretched on comprising base and being connected with base rear sides, described base support cooler for recycled exhaust gas, riser top and base front side portion are connected with respectively cooler for recycled exhaust gas are fastened on to the shell ring on cooler for recycled exhaust gas support, the top of described shell ring upper end and riser is hinged, described shell ring lower end is provided with and installs slotted eye, described installing is equipped with fastening piece in slotted eye, the upper end of described fastening piece is provided with external diameter and is greater than the limiting stopper that installs slotted eye, the hypomere of described fastening piece is provided with outside thread, on described base, corresponding fastening piece is provided with fixed hole, thereby fastening piece lower end is fixed on cooler for recycled exhaust gas on cooler for recycled exhaust gas support through spiral shell loading nut after fixed hole, described cooler for recycled exhaust gas is being provided with cushion pad with base, riser, shell ring contacting point.
2. cooler for recycled exhaust gas assembly according to claim 1, the front side portion that it is characterized in that described base is provided with and clamps hole, clamp and in hole, be provided with latch, the described uncovered latch that makes of front side portion that clamps hole can pack into and clamp hole from front side portion, described latch is vertically provided with the fixed hole coordinating with fastening piece, the both sides of described latch bottom are respectively equipped with the claw of stretching, and the corresponding claw of described base end face is provided with draw-in groove.
3. cooler for recycled exhaust gas assembly according to claim 1, thereby the two ends that it is characterized in that described shell ring fold respectively and its end are fixedly connected with body at the two ends of shell ring and form perforating, and described shell ring lower end is provided with and installs slotted eye on the shell ring body that is positioned at perforating place.
4. cooler for recycled exhaust gas assembly according to claim 3, the top that it is characterized in that described riser is provided with hinged ear seat, thus by the perforating in shell ring upper end portion and hinged ear seat, wear bearing pin and in the pin-and-hole of end part of pin shaft plug-in mounting lock pin by hinged to riser and shell ring.
5. cooler for recycled exhaust gas assembly according to claim 4, it is characterized in that described cushion pad is rubber pad, described cushion pad is strip, its be only arranged on cooler for recycled exhaust gas and shell ring joint cooler for recycled exhaust gas week upwards, the width of described cushion pad is greater than the width of shell ring.
6. cooler for recycled exhaust gas assembly according to claim 5, is characterized in that described riser is two, and its rear side at base is symmetrical arranged, and shell ring and cushion pad also correspondence arrange two.
7. cooler for recycled exhaust gas assembly according to claim 1, is characterized in that described fastening piece is T-shaped bolt.
8. according to the cooler for recycled exhaust gas assembly described in claim 1 to 7 any one, it is characterized in that the height of described riser is less than the height of cooler for recycled exhaust gas.
9. cooler for recycled exhaust gas assembly according to claim 8, is characterized in that described riser is provided with loss of weight through hole.
10. cooler for recycled exhaust gas assembly according to claim 1, is characterized in that the bottom of described base is provided with multiple bolts hole that arrange along base fore-and-aft direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059056.XU CN203742840U (en) | 2014-02-08 | 2014-02-08 | EGR cooler assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059056.XU CN203742840U (en) | 2014-02-08 | 2014-02-08 | EGR cooler assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742840U true CN203742840U (en) | 2014-07-30 |
Family
ID=51342650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420059056.XU Expired - Lifetime CN203742840U (en) | 2014-02-08 | 2014-02-08 | EGR cooler assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742840U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529300A (en) * | 2019-09-18 | 2019-12-03 | 广西玉柴机器股份有限公司 | A kind of cassette cooler for recycled exhaust gas bracket |
| CN110541777A (en) * | 2019-09-18 | 2019-12-06 | 广西玉柴机器股份有限公司 | Clamping belt for fixing EGR cooler |
| US11493002B1 (en) | 2021-11-03 | 2022-11-08 | Caterpillar Inc. | Undermount for EGR cooler |
-
2014
- 2014-02-08 CN CN201420059056.XU patent/CN203742840U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529300A (en) * | 2019-09-18 | 2019-12-03 | 广西玉柴机器股份有限公司 | A kind of cassette cooler for recycled exhaust gas bracket |
| CN110541777A (en) * | 2019-09-18 | 2019-12-06 | 广西玉柴机器股份有限公司 | Clamping belt for fixing EGR cooler |
| US11493002B1 (en) | 2021-11-03 | 2022-11-08 | Caterpillar Inc. | Undermount for EGR cooler |
| EP4177459A1 (en) | 2021-11-03 | 2023-05-10 | Caterpillar Inc. | Undermount for egr cooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |