CN211174398U - Clamping belt type EGR cooler support - Google Patents
Clamping belt type EGR cooler support Download PDFInfo
- Publication number
- CN211174398U CN211174398U CN201921554780.9U CN201921554780U CN211174398U CN 211174398 U CN211174398 U CN 211174398U CN 201921554780 U CN201921554780 U CN 201921554780U CN 211174398 U CN211174398 U CN 211174398U
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- support
- egr cooler
- cassette
- mounting
- clamping belt
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Abstract
The utility model discloses a cassette EGR cooler support, which comprises a bracket body, the cassette, the support is supported on the vertical being provided with on the support body, the support body still is provided with the end and supports, the end is supported and is connected perpendicularly and set up in the one end of support body in last support, the below of support body upper end support is provided with first connection boss, be provided with first mounting hole on the first connection boss, the one end of keeping away from the connection of going up the support is provided with first installation end, the tip of first installation end is provided with the recess that link up, the end that the connection was kept away from to the end support is provided with second installation end, the tip of second installation end is provided with the recess that link up. The utility model discloses the structure is very compact, fixed reliable and can avoid EGR cooler and the pipeline fracture that thermal stress leads to, and simple structure, and is with low costs, and assembly efficiency is high.
Description
Technical Field
The utility model relates to the technical field of engines, more specifically say, it relates to a cassette formula EGR cooler support.
Background
In order to achieve lower emission effects and meet strict emission regulation requirements of diesel engines, Exhaust Gas Recirculation (EGR) technology is used in all newly developed national six engines. Design of existing EGR (exhaust gas recirculation) systems: the EGR valve is composed of an EGR cooler, an EGR valve and an EGR pipeline, under the control of the EGR valve, a part of waste gas of an engine enters an engine cylinder through the EGR pipeline and the EGR cooler and the EGR valve to participate in a combustion process, and the EGR technology is also a key measure for improving the gas combustion process and reducing oil consumption and exhaust temperature. The most important component in an EGR system is the EGR cooler, which is relatively bulky. Since almost all diesel engines are assembled with the entire vehicle, the space around them is very narrow, and the arrangement of such a large radiator support is very important.
At present, many are on EGR cooler casing or the mode that the sheet metal support pressed from both sides tight EGR cooler through welded support, and there is the reliability hidden danger in a great deal of modes: by means of welding the bracket, the EGR cooler is a thin-wall part, so that the shell is easy to crack under stress; by means of clamping the cooler by the sheet metal bracket, the interface part is easy to crack due to thermal stress because no pressure is released after the bracket is clamped. In addition, the bolt clamping mode needs to reserve a bolt head flange space with the length of 25-30mm for flange installation of the bolt head, and a space of 50-60mm is reserved when the two sides are added, so that the whole arrangement is not compact.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a cassette formula EGR cooler support can be direct with the laminating of cooler support and the cooperation fastening mode with the cassette, and the structure is very compact, fixed reliable EGR cooler and the pipeline that can avoid thermal stress to lead to ftracture.
The utility model discloses take following technical scheme to realize above-mentioned purpose:
the utility model provides a cassette formula EGR cooler support, includes support body, cassette, the vertical support of being provided with on the support body, the support body still is provided with the end and supports, the end supports the perpendicular to and supports and set up in the upper end of support body, the below of the end support is provided with first connection boss on the support body, be provided with first mounting hole on the first connection boss, the one end of keeping away from the connection of going up the support is provided with first installation end, the end that the connection was kept away from to the end support is provided with second installation end, the one end of keeping away from the connection position of going up support and end support on the support body still is provided with second connection boss, be provided with the second mounting hole on the second connection boss, cassette one end is connected with the first installation end of going up the support, and its other end is connected with the second installation end of end support. The bracket is matched with the clamping belt to tightly hold the cooler to have certain flexibility, and when thermal stress is generated, the EGR cooler has certain sliding quantity to release the thermal stress in the tightly held state, so that the fixing reliability can be ensured, the thermal stress can be well released, and the cracking of the EGR cooler and a pipeline caused by the thermal stress is avoided; and the installation is simple, the assembly efficiency is high, the universality is good, and the cost is low.
Preferably, a rib plate is arranged between the bottom support and the bracket body. This can increase the supporting rigidity of the bottom support to the cooler.
Preferably, the bracket body and the upper support and the bottom support are in an integrally formed structure. This arrangement increases the overall stiffness of the stent.
Preferably, the end parts of the first mounting end and the second mounting end are bent into a hook shape, and the end parts of the first mounting end and the second mounting end are provided with through grooves. The arrangement can ensure that the clamping belt is not easy to slip off after being installed.
Preferably, the connection positions of the clamping belt and the first mounting end and the second mounting end are respectively provided with a trunnion matched with the hook shape. Such trunnion level is placed and is blocked first installation end and second installation end hook-shaped tip, and the clamping band passes from the middle of the tip recess, and then with the taut EGR cooler of support cooperation, the installation that sets up like this can be convenient and dismantle.
Preferably, the clamping band body is a band with elasticity. The clamping belt can also be used for stretching, clasping and fixing EGR coolers with different sizes.
Preferably, the clamping band comprises an upper clamping band and a lower clamping band, and the upper clamping band and the lower clamping band are connected into a C shape through bolts. The tightness of being connected of cassette tape and lower cassette tape can be adjusted through the bolt to such setting, and then adjusts the elasticity of cassette tape and the fixed cooler of support.
Preferably, the bolt is a hexagon socket head cap screw. The design can make things convenient for use tools to carry out adjusting bolt installation elasticity like this.
The utility model has the advantages that:
1. the utility model provides a cassette EGR cooler support, combine the cassette to hold tightly and have certain flexibility, EGR cooler has certain slip volume to release thermal stress in the cassette when having thermal stress to produce, can guarantee fixed reliability, the release thermal stress that again can be fine, avoid the cracking of EGR cooler and pipeline that thermal stress leads to;
2. the clamping belt type EGR cooler bracket provided by the utility model can meet the requirements of compact structure, good matching universality and low part cost of the EGR cooler bracket;
3. the utility model provides a pair of cassette formula EGR cooler support, it is simple with the cassette cooperation installation, assembly efficiency is high.
Drawings
FIG. 1 is a diagram: a mounting schematic diagram of cassette formula EGR cooler support on EGR cooler.
FIG. 2 is a diagram of: a elevation view of cassette formula EGR cooler support.
FIG. 3 is a diagram of: left side view of cassette formula EGR cooler support.
In the figure: the method comprises the following steps of 1-support, 2-clamping band, 3-EGR cooler, 4-upper support, 5-bottom support, 6-first mounting hole, 7-second mounting hole, 8-ribbed plate, 9-support body, 10-first connecting boss, 11-second connecting boss, 12-first mounting end and 13-second mounting end.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 3 and the detailed description.
As shown in fig. 1-3, for one embodiment of the present invention, a clip-type EGR cooler bracket is provided, which comprises a bracket body 9 and a clip 2, wherein an upper support 4 is vertically arranged on the bracket body 9, the bracket body 9 is further provided with a bottom support 5, the bottom support 5 is vertically connected to the upper support 4 and is arranged at one end of the bracket body 9, a first connecting boss 10 is arranged below the upper bottom support 5 of the bracket body 9, a first mounting hole 6 is arranged on the first connecting boss 10, a first mounting end 12 is arranged at one end of the upper support 4 away from the connection, a second mounting end 13 is arranged at one end of the bottom support 5 away from the connection, a second connecting boss 11 is arranged at one end of the bracket body 9 away from the connection between the upper support 4 and the bottom support 5, a second mounting hole 7 is arranged on the second connecting boss 11, one end of the clamping belt 2 is connected with a first mounting end 12 of the upper support 4, and the other end of the clamping belt is connected with a second mounting end 13 of the bottom support 5.
When the support works, the support is arranged on an engine through a first mounting hole 6 on a first connecting boss 10 and a second mounting hole 7 on a second connecting boss 11, at the moment, an upper support 4 of the support is attached to the side surface of the EGR cooler, a bottom support 5 is attached to the bottom surface of the EGR cooler, one end of a clamping belt matched with the support passes through a through groove at the end part of a first mounting end 12 and is buckled, the other end of the clamping belt passes through a through groove at the end part of a second mounting end 13 and is buckled, wherein the distance between the through grooves at the end parts of the first mounting end 12 and the second mounting end 13 needs to ensure that the clamping belt can pass through, two ends of the clamping belt can be buckled, so that the EGR cooler is fastened on the engine, the support and the clamping belt tightly clasp the cooler, and the clamping belt have certain flexibility, when thermal stress is generated, the EGR cooler has certain sliding quantity in the clamping belt to release the thermal stress, the fixing reliability can be ensured, the thermal stress can be well released, and the cracking of an EGR cooler and a pipeline caused by the thermal stress is avoided; and the installation is simple like this, and assembly efficiency is high, and support structure is compact simultaneously, and supporting commonality is good, and is with low costs.
Further, a rib plate 8 is arranged between the bottom support 5 and the bracket body 9. The rib plate arranged at the position can increase the supporting rigidity of the bottom support to the cooler.
Furthermore, the bracket body 9, the upper support 4 and the bottom support 5 are integrally formed. This arrangement increases the overall stiffness of the stent.
Further, the end portions of the first mounting end 12 and the second mounting end 13 are bent into a hook shape, and the end portions of the first mounting end 12 and the second mounting end 13 are provided with through grooves. The arrangement can ensure that the clamping belt is not easy to slip off after being installed.
Furthermore, the joints of the clamping belt and the first installation end 12 and the second installation end 13 are respectively provided with a trunnion matched with the hook shape. Such trunnion level is placed and is blocked first installation end 12 and second installation end 13 hook type tip, and the cassette tape 2 passes from the recess centre, and then with the taut EGR cooler of support cooperation, the installation that so sets up can be convenient and dismantle.
Further, the body of the clamping band 2 is an elastic band. Such a clamp band 2 can also be used for telescopic clasping and fixing EGR coolers of different sizes.
Further, the clamping band 2 comprises an upper clamping band and a lower clamping band, and the upper clamping band and the lower clamping band are connected into a C shape through bolts. The tightness of being connected of cassette tape and lower cassette tape can be adjusted through the bolt to such setting, and then adjusts the elasticity of cassette tape and the fixed cooler of support.
Further, the bolt is a hexagon socket head cap screw. The design can make things convenient for use tools to carry out adjusting bolt installation elasticity like this.
The utility model provides a cassette EGR cooler support, under limited space, can realize holding the cooler tightly, have certain flexibility, when thermal stress produces EGR cooler have certain slip volume in the cassette release thermal stress, can guarantee fixed reliability, release thermal stress that can be fine again, avoid the cracking of EGR cooler and pipeline that thermal stress leads to; and the installation is simple like this, and assembly efficiency is high, and support structure is compact simultaneously, and supporting commonality is good, and is with low costs, has saved installation space for the engine complete machine.
Claims (8)
1. A clamping belt type EGR cooler support comprises a support body (9) and a clamping belt (2), and is characterized in that an upper support (4) is vertically arranged on the support body (9), a bottom support (5) is further arranged on the support body (9), the bottom support (5) is perpendicular to the upper support (4) and is arranged at the upper end of the support body (9), a first connecting boss (10) is arranged below the upper bottom support (5) of the support body (9), a first mounting hole (6) is formed in the first connecting boss (10), a first mounting end (12) is arranged at one end, far away from the connection, of the upper support (4), a second mounting end (13) is arranged at one end, far away from the connection, of the upper support (4) and the bottom support (5), a second connecting boss (11) is further arranged at one end, far away from the connection part of the upper support (4) and the bottom support (5), of the support body (9), and a second mounting hole (7) is formed in the second connecting boss (11), one end of the clamping belt (2) is connected with a first mounting end (12) of the upper support (4), and the other end of the clamping belt is connected with a second mounting end (13) of the bottom support (5).
2. A cassette EGR cooler bracket according to claim 1 characterized in that a rib (8) is provided between the bottom support (5) and the bracket body (9).
3. A clip-on EGR cooler bracket according to claim 1, characterized in that the bracket body (9) is of an integrally formed structure with the upper support (4) and the bottom support (5).
4. A clip-on EGR cooler bracket according to claim 1, characterized in that the ends of the first and second mounting stubs (12, 13) are bent into a hook shape, and the ends of the first and second mounting stubs (12, 13) are provided with through grooves.
5. A clip-on EGR cooler bracket according to claim 4, characterized in that the connection of the clip with the first mounting head (12) and the second mounting head (13) is provided with a trunnion adapted to the hook type, respectively.
6. A clip-type EGR cooler bracket according to claim 1, characterized in that the clip (2) body is a band having elasticity.
7. A cassette EGR cooler bracket according to claim 1 wherein the cassette (2) comprises an upper cassette and a lower cassette, the upper and lower cassettes being bolted into a C-shape.
8. The clip-on EGR cooler bracket of claim 7 wherein said bolt is a socket head cap bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921554780.9U CN211174398U (en) | 2019-09-18 | 2019-09-18 | Clamping belt type EGR cooler support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921554780.9U CN211174398U (en) | 2019-09-18 | 2019-09-18 | Clamping belt type EGR cooler support |
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CN211174398U true CN211174398U (en) | 2020-08-04 |
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CN201921554780.9U Active CN211174398U (en) | 2019-09-18 | 2019-09-18 | Clamping belt type EGR cooler support |
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Cited By (1)
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 |
-
2019
- 2019-09-18 CN CN201921554780.9U patent/CN211174398U/en active Active
Cited By (1)
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 |
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